Tag Archives: pulley chain hoist

China 1ton, 2ton,3 ton and 5 ton VT Chain Block Chain Pulley BlockVITAL Manual Chain Hoist pulley assembly

Applicable Industries: Hotels, Garment Outlets, Machinery Repair Outlets, Manufacturing Plant, Foods & Beverage Manufacturing unit, Property Use, Retail, Food & Beverage Retailers
Showroom Place: None
Condition: New
Utilization: Design Hoist
Electrical power Resource: Hand Chain
Sling Kind: Chain
Carry Speed: Manual
Warranty: 1 Calendar year
Equipment Take a look at Report: Offered
Online video outgoing-inspection: Provided
Advertising and marketing Type: New Merchandise 2571
Guarantee of core components: 1 12 months
Main Factors: Bearing, Gear, Pump, Gearbox
Weight (KG): 24 kg
Capability: .5-10t
Item name: Essential chain hoist
Colour: Customers’ Requirements
Variety: Liftling Equipment
Packaging Details: Wood Packing
Port: HangZhou and ZheJiang Port

Japanese vital chain block1: CZPT manganese metal chain2: Powerful and durable3: Effortless to carry4: Total specifications Attributes of visible chain block.one: The gear is manufactured of substantial-top quality alloy steel, with high toughness, strong effect resistance and durability2: Double pawls, thickened ratchet wheel, trustworthy and safer braking.3: Integral bearing is adopted, which is a lot more effective, secure and convenient for servicing.4: Thickened steel shell, thickened chain wheel, CZPT hand zipper strip, sleek with no chain clamping.

ModelVT-.5VT-1VT-1.fiveVT-twoVT-threeVT-5VT-10
Rated lifting potential (T)0.511.523510
Lifting height (m)2.52.five2.53333.5
Lifting top (m)0.seventy five1.five2.2534.five7.515
Hand pull at total load (n)25333434353941
Number of lifting chains1111224
Minimum distance in between 2 hooks (mm)285315340380475600700
Diameter of lifting chain (mm)6.36.37.187.one7.19.one
Net excess weight (kg)101524304890197
Alloy metal pressed shell.Alloy steel pressed shell, baking paint procedure, classic producing, sturdy and durable, can be extremely excellent Resist exterior collision and efficiently safeguard internal parts. Manganese steel hookManganese metal forging is not easy to break. The hook can rotate 360 degrees. With basic safety buckle, Stainless Steel Italian 18K Rose Gold Jewellery Herringbone 1Mm Spherical Necklace Choker Snake Bone Chain 5Mm it is safer to uses. Substantial top quality card slotThe dust go over layout efficiently stops grime this kind of as grime and mud from moving into the brake, reducing brake dress in, even in extreme Local time, the chain will not jam. Worldwide common g80Large strength manganese metal chain, following substantial temperature quenching, is safe, trustworthy and more durable. OTHER Goods Business Profile ZheJiang Liediao Lifting Tools Production Co.,Ltd. is a professional company of lifting products. The firm’s manufacturing unit is positioned in HangZhou,ZheJiang ,exactly where the financial system is produced and the transportation is hassle-free,which supplies a sturdy ensure for the transportation of goods. Our organization can create chain hoists, lever hoists, electrical hoists,jacks,forklifts, gantry cranes and other lifting products. The firm has strong funds and technical toughness,6 specialist creation lines, 11production teams, and an annual output of 5 millionpieces of numerous lifting items.The business has advanced management, very first-class provider and has successively won the ZheJiang Good quality Assurance Member Unit, ZheJiang Integrity Member Unit,ZheJiang Honorary titles these kinds of asquality and honorable support. The goods market nicely all in excess of the country and have good social status.Demanding administration system lays the foundation for exceptional quality.Now the firm’s ” RACEWORK GXP Crank Mountain Bicycle Crank Established 170mm175mm Bicycle Crankset Hollow Integrated Belt Axis looking eagle” brand lifting goods market nicely in all provinces, municipalities and autonomous locations across the country, and are properly acquired by consumers! Exhibition We adhere to the enterprise plan of “quality initial, status very first”, go after the business philosophy of “mutual benefit, client very first”, set up a large-good quality and sturdy marketing and advertising group, open up marketplaces for mechanisms across the country,and promote to the majority of end users Promote hunting merchandise. Packaging And Transport FAQ one: What goods do you have?Our factory mostly produces electric hoist, modest electric hoist, steel wire rope electrical hoist, chain electric hoist, electric powered pallet carrier and gantry crane2: Can your factory do OEM for us?We can customise the manufacturer, label and packaging in accordance to customers’ specifications.3: Can you assist us customize our items?Sure, we are a manufacturing unit specializing in tailored manufacturing. We have a skilled complex division. We will confirm with you throughout the customization approach.4: Can we take samples?Sure, our manufacturing facility supports end users to take samples.5: Exactly where is the tackle of your factory?Our manufacturing facility is situated in the industrial zone of HangZhou Town, ZheJiang Province, Motorbike Transmissions Racing Bike Sprocket and Chain Sets for CZPT NINJA 400 Z400 (46T 14T 520H X-Ring 120 Backlinks) 1 hour absent from ZheJiang , China.

pulley

Types of pulleys and their advantages and disadvantages

There are several types of pulleys. Learn the basic equations of the pulley system. Then learn about the different uses for pulleys. The disadvantages of using pulleys will be covered. Knowing these, you can buy the pulley that suits your needs. Here are some of the best pulley types and their pros and cons.

Basic equations of pulley systems

A pulley system is a mechanism that allows two blocks of a certain mass to be connected by a taut rope. The acceleration of each block is the same in magnitude and direction. The external force acting on each block is the weight of the block (10g) and the tension in the string. The tension between the two blocks is the total tension and the force acting on the pulley is the weight of the two blocks.
This simple mechanism uses two simple equations to explain how the system works. First, the mass of the weight on both sides of the pulley must be the same. When the weight is forced to move, the rope tightens and the second pulley descends. The weight is also attached to the second pulley and must be the same distance as the first pulley. This will result in a speed ratio of 2 times the distance covered by the first pulley.
Second, we have to calculate the force required to lift the object. The lower mass is supported by a wire configuration passing through all pulleys, while the uppermost pulley is used to apply the force. The lower block is used to support the weight. The applied force needs to travel a distance nx to move the weight. This distance, called MA, can be written as:
Once we have gathered the necessary information, we can apply the calculations to the pulley system. We can also use the Mechanical Advantage Calculator to calculate the force on the anchor. To do this, we must apply a force to the load as well as to the pulley itself. Using this equation, we can calculate the force required by the load to lift the load.
pulley

Types of pulleys

There are three basic types of pulleys: movable, fixed and compound. Both types of pulleys translate the force applied to them. The ideal mechanical advantage of pulleys is two. This is because a single movable pulley only doubles the force, whereas a compound pulley doubles or triples the force. This type of pulley is often used with other types of pulleys.
Movable pulls move with the weight of the load, and the force pulling them increases on the lift side. They are often found in utility elevators and construction cranes. These systems are very simple, inexpensive and quiet to use. The force required to lift the object depends on the mechanical advantage of the system. The two most common types of pulleys are listed below. Let’s take a closer look at each one.
V-shaped pulleys are used in vehicles and electric motors. These pulleys require a “V” belt to function properly. Some have multiple “V” grooves to avoid slipping. They are used in heavy duty applications to reduce the risk of power slip. These pulleys also have more than one “V” groove. V-belt pulleys are commonly used in vehicles and electric motors.
Composite pulleys are made from more than one type of cable or rope wrapped around the wheel. They can be fixed or hinged and are usually made of stainless steel or bronze. Composite pulleys have multiple layers and can be a single unit or many different components. There are three main types of pulleys: fixed pulleys and composite pulleys. These are the most common types. Almost every type of pulley is used for some type of application.
Fixed pulleys have one advantage over movable pulleys: they change direction as the weight of the load increases. They are typically used in heavy construction equipment. Gun tackles, patio tackles, and stationary tackles are examples of equipment that use a pulley mechanism. These devices are very common and can be found on most modern construction sites. They provide great convenience for lifting large loads.

application

What are the applications of pulleys? Simply put, a pulley is a mechanical device that transforms a difficult task into an easier one. It consists of ropes and pulleys. It is usually used to lift objects. Usually, people wrap a rope around a pulley and pull up to lift the object. One disadvantage of using pulleys is that they require the same force as lifting the object directly.
One of the most popular applications of pulleys is lifting heavy objects. They help people pull up heavy objects and blocks. The system can also be used in seeders, lifts, grinders, etc. Other applications include raising flags, loading cargo, pulling curtains and rock or mountain climbing. Students can learn about the various uses of pulleys and the physics behind them.
Pulleys can be made of many different materials, depending on the application. Some are movable, which means they move with the object they are used to lift. This pulley system can be made of nylon, wire rope or fiber material. The best part about these systems is that they are easy to install and maintain. For a better grasp, use the guide or video tutorial to learn more about the pulley system and how it works.
Tapered pulleys are common in paper mills. They are high-quality pulleys that transmit power to connected parts. They can be dynamic or static and have different balances. Because pulley systems are highly customized, most industrial applications require systems designed specifically for specific applications. In this way, the system is safe, simple and inexpensive. The benefits of this design are endless.
The most common use of pulleys is for motor drives. They are used to minimize noise by applying force to the shaft to reduce the workload. They are also less expensive than gears and do not require lubrication. Furthermore, they can change the direction of the applied force. They are also less expensive than gears and are often used with other components. A screw is a cylindrical member with helical ribs used to connect something.
pulley

shortcoming

Although the pulley system makes it easier to move heavy objects, it still has some drawbacks. When using a pulley system, you must remember that the force required to lift the weight increases with the number of cycles. In addition, the distance between the puller and the heavy object increases, which may lead to accidents. Also, moving heavy objects can be tricky if the rope slips. Pulley systems are not very expensive and can be easily assembled. However, it does require a lot of space.
First, it is not efficient. Besides being inefficient, pulleys produce different forces at different speeds. Fixed pulleys use more force than the load, while movable pulleys move with the load. A movable pulley requires less force than a fixed pulley, but the combined system travels a long distance. Therefore, this method is not as efficient as the fixed method.
Pulleys are not only used in industrial processes. You can see them in various places in your daily life. For example, large construction cranes use pulleys to lift heavy loads. Even flagpoles, blinds, clotheslines, ziplines, motors and climbing equipment use pulleys. Still, despite their advantages, the disadvantages are not too serious.
Another disadvantage of the pulley is its wear and tear. While a pulley’s housing is theoretically infinite, its bearings and locking components typically wear out over time. To overcome this problem, a new bearing and locking assembly can be installed. No need to replace the housing and shaft, the entire assembly can be re-bonded and painted to replicate the original look. Alternatively, the pulley can be replaced with a new housing and shaft.
Using pulleys can also reduce the advantage of pulleys. On the other hand, interception and tackle is a system in which two pulleys are connected to each other using ropes. Unlike pulleys, pulley pulley systems can be adjusted in the direction of travel and can move heavy loads up to four times their force when used in hydraulic lifts.

China 1ton, 2ton,3 ton and 5 ton VT Chain Block Chain Pulley BlockVITAL Manual Chain Hoist     pulley assembly	China 1ton, 2ton,3 ton and 5 ton VT Chain Block Chain Pulley BlockVITAL Manual Chain Hoist     pulley assembly
editor by Cx 2023-06-30

China Hot selling CZPT 10ton Electric Chain Hoists with Low Headroom Hoist Pulley wholesaler

Product Description

 Specialized In Customized Design Manufacture 

  1. . We are Manufacturer of CZPT Electric Hoist :– High Quality / High Safety :

  Our Company :ZHangZhoug CZPT Hoisting Machinery Co.,Ltd is Original Manufacturer Factory .
★★★★★:

2.. Basic Description of CZPT Electric Chain Hoist : High Quality / High Safety :
 

ELK  Electric Chain Hoist Basic Description:
(1). Products Name : Electric Chain Hoist with Fixed Hook
Type: HKD00501S
Capacity: 0.5T
Lift Height: 3m
(2). Material : Aluminum. Steel ;
(3). Application : Overhead Crane,Lift Equipment,Cargo Lift,Wind Power Projects, Etc.;
(4). Certificates : CE–ISO–SGS ;
(5). Brand Logo : ELK or Customized your logo;
(6). Packing Kinds : Plywood cases (No Need Fumigation)
(7). Packing Size:L*W*H cm : Pls Ref. Below Technical Table;
(8). Packing Weights : Pls Ref. Below Technical Table;
(9). Delivery Time : Within 10 Days—-20 Days;
(10). Work Class : M4=H4=2M ;
(11). Rating : 30min ;
(12). Quality Warranty : 2 Years ;

 3.. CZPT Electric Chain Hoists Advantages:– High Quality / High Safety :

         ELK Electric Chain Hoist Advantages :
Strict Inspection Hoists all parts are Auto-Tested by world First-class Test Machine ;
Safety&Reliability Sensitive Steady Electromagnetic Braking Device–Inverse Phase 
Sequence Protecting Device–Limit Switch — Lowest Repair Rate;
Compact  Tough Shape   Aluminum Die-casting Shell,Light but Hard, Quick Heat Dissipation; Smaller Volume;More than 3 times Polishing Procedures to Keep Smooth & Shining Surface ; 
Best Electrics             All Electrics System(Schneider/Shihlin/Delixi brands) we use Such as Cables ,AC Contactors, Transformers,Push Button Switch are produced professionally by Best Famous Electrics Factory in China with ISO or CE International Certificates;
Best Chains   Adopt Japan FEC80Chains/China Highest quality Chains–(Protect Chains from Fatigue,Wear and Rust)–Highest Safety  Chain Bag–Hot-forging Hooks;
Unique Motor   Technic      Motors Coils are special manufactured by hand in our own factory by Unique Processing Technic ; Super Quiet Voice and Long Service Life;Easy Heat Dissipation;
Highest Precision      Grinding Gears through Heat-treating;Chain Wheel & Rotors are Professionally Processed ;
Perfect Painting    Hoists Surface is 3 Layers of Stoving Varnish Painting by Best Painting Technic to keep  Shining and Durable ;
Nut,Screw,Bolt   ELK Hoists all Helical Gears,Nuts ,Screws and Bolts are processed by most advanced technic:Sturdy/Durable/Neat;
Cost Performance Insist on the Most  Favorable Price and Highest Quality Guarantee to every our customers .

 
 
4..ELK Electric Chain Hoist with Fixed Hook — Specification Parameters Table :
 

1. CZPT Electric Chain Hoist with Hook —- Technical Parameters —-HKD -S Series:
    Up& Down–Single Speed ;
Type Capacity (Ton) Standard Lift Height (m) Lift Speed (m/min) Power  (Kw) Voltage/  Phase Trolley Speed     (m/min) Chain Dai.(mm) Work Class Weights(Kgs) Volume  (m3)
HKD00501S 0.5T 3m 6.8 0.75 200V–600V/3P/50Hz or 60Hz / Ø6.3×19 M4 48 0.09
HKD5711S 1T 3m 6.6 1.5 / Ø7.1×21 M4 62 0.11
HKD5712S 1T 3m 3.4 0.75 / Ø6.3×19 M4 56 0.09
HKD5711S 2T 3m 6.6 3 / Ø10×30 M4 119 0.18
HKD5712S 2T 3m 3.3 1.5 / Ø7.1×21 M4 78 0.11
HKD0301S 3T 3m 5.4 3 / Ø11.2×34 M4 126 0.18
HKD0302S 3T 3m 4.4 3 / Ø10×30 M4 113 0.18
HKD0303S 3T 3m 2.2 1.5 / Ø7.1×21 M4 115 0.18
HKD0502S 5T 3m 2.7 3 / Ø11.2×34 M4 157 0.18
HKD5713S 7.5T 3m 1.8 3 / Ø11.2×34 M4 186 0.27
HKD1004S 10T 3m 2.7 3 x 2 / Ø11.2×34 M4 341 0.58
HKD1506S 15T 3m 1.8 3 x 2 / Ø11.2×34 M4 475 0.66
HKD2008S 20T 3m 1.4 3 x 2 / Ø11.2×34 M4 615 0.97
HKD2508S 25T 3m 1.3 3 x 2 / Ø11.2×34 M4 648 1.23
HKD3571S 30T 3m 1.1 3 x 2 / Ø11.2×34 M4 960 2.42
HKD3512S 35T 3m 0.9 3 x 2 / Ø11.2×34 M4 1250 3.14

Notes **: More Complete Technical Parameters & Size Specification Catalogue ,pls Contact us ,we will send to you our newest Completely Technical Datas by E-mail .
 
5..CZPT Electric Chain Hoists — Factory Views & Certificates :

6..CZPT Electric Chain Hoists — Packaging :
 
 
7..For Related Products Range :

1 ODM: Kaidao Company is the Professional Source Manufacturer ;
2 International Certificates: CE — ISO — SGS  Approved;
3 Brand  :  ELK  
4 Factory : 5 Senior Professional Engineers with more than 20 years experiences ;
5 Factory Area : Total 6 Workshops ; 12000 M
6 Annual Output Value:1290 0000 USD—-2000 0000 USD ;
7 Monthly Output:3000–5000 Sets ;
8 Market  Percentage: 70% for Export–World Market / 30% for Sale–Home Market;
9 Production  Scope :
(1) Electric Chain Hoist with (Slipping Clutch) 0.5T———60T
(2) Electric Wire Rope Hoist 0.5T———32T
(3) Crane Geared Motor with Buffer 0.25Kw—–3.75Kw
(4) End Truck 0.5T———-50T
(5) Crane Wheel Block GWPW95–GWPW545
(6) Electric/Manual Trolley 0.5T———-30T
(7) Hoist Spare Parts:Remote Control-Overload Protector Etc. 0.5T———-60T
(8) Crane Spare Parts:Power Rail-C Track-Cable Etc. 0.5T———-50T
(9) Single/Double Girder Crane  0.5T———-50T
(10) Chain Block 0.5T———-20T
(11) Lever Block 0.5T———-9T

 
 
8..CZPT Electric Chain Hoists — After-sale Services– within 24 Hours:
 
(1)….Before–Sale Service : 
01..Quality Control: Strictly Production Request base on signed contract ;
02..Delivery Time: Guarantee within contracted delivery time ;
03..Photos: Send photos to our customer after finish production and packing ;
04..Packing Details:Give complete packing size table to our customer;
05..Brand: Respect our customers’ advice to use our customers’ own brand & logo ;
06..Documents:Provide high efficiency service to post you all required customs clearance documents by DHL or TNT .  
 
(2)….After–Sale Service :  
01..Reply : Fast reply all your questions on line or by email or by telephone ;
02..Quality Problems:Our factory is responsible for any problems if it is resulted by our reasons (Such as give you free new parts to repair it  or give enough some compensation cost to you) ;
03..Safe Operating: Pls remind your customers to respect our Operating Manual to operate our machine rightly, to guarantee Safe when operate our machine ;

 *****Chain Maintenance : Must often make the Chain to be Lubricated by Chain Oil :
 
9..CZPT Electric Chain Hoists –Factory Info & FAQ:
01.Are you manufacturer or trade Company?
–We are a factory founded in 2571 Year . 
02.How about sample & MOQ policy?
–Welcome sample order. MOQ can be 1 set. 
03.What is your lead time for your goods?
–Normally 15 days after confirmed order. 10 days could be available for some items in sufficient stock and standard requirements, and 30 days during new year and hot season ( Jan to March).
04.What should I provide when inquiry?
–The more information you provide, the accurate solution we can prepare for you! 
A- Lifting capacity:       Ton?
B- Lifting height::         m?
C- What is your:  working  environment?
D- What is Voltage–Phase–Frequency — Hand Control Voltage :                         ?.
05.How about the allocations of CZPT hoists?
–Except basic hoist, we also provide hoist with continuously variable transmission, overload limiter, thermal protector, slipping clutch and remote control as you required.
 ——————————————————————————————————————————
 

 

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling 1 end of the rope will double the force on the shaft, resulting in 2 mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
pulley

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in 1 direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
pulley

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than 2 pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has 3 basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the 3 parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only 4 ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by 3 ropes, each weighing about 30-5 pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over 2 tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
pulley

Disadvantages of fixed pulleys

There are 2 basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When 2 or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.

China Hot selling CZPT 10ton Electric Chain Hoists with Low Headroom Hoist Pulley   wholesaler China Hot selling CZPT 10ton Electric Chain Hoists with Low Headroom Hoist Pulley   wholesaler

China supplier 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods with Good quality

Product Description

1 Ton Electric Hoist Chain Pulley Block for Lifting Goods

 

 

Characteristics:

  1. 0.5~50 ton lifting capacity
  2. With upper hook (fixed) or with trolley
  3. Single/Double speed option
  4. Shell: aluminum alloy
  5. Chain: high quality G80
  6. Chain container: canvas / iron
  7. Gear & chain wheel: alloy steel + heat treatment
  8. Hooks: heat forging+heat treatment
  9. Chain diameter: 6.3~11.2mm (as per different capacities)
  10. Motor rotate speed:1440r/min(single speed),  2880/960 r/min(double speed),
  11. Standard chain length: 3m (can be customized)
  12. Power specification:200~690V,50/60HZ,3 Phase
  13. Safe voltage:24V/36V/48V
  14. Button switch:2/4/6/8 buttons option
  15. Insulation grade:F class
  16. Protection class: IP55
  17. Working group:M4
  18. Working temperature: -40ºC ~ +40ºC
  19. OEM acceptable
  20. Customized logo acceptable
  21. Package: plywood case
  22. Warranty: 2 years for mechanical parts, 1 year for electric parts

 

Single Speed  Technical Parameters
Model  SSDHL
0.5-01S 01-01S 1.5-01S 02-01S 02-02S 2.5-01S 03-01S 03-02S 03-03S 05-02S
Capacity (t) 0.5t 1t  1.5t 2t 2.5t 3t 5t
Lifting Speed (m/min) 7.2 6.6 8.8 6.6 3.3 5.4 5.4 4.4 2.2 2.7
Motor Power (Kw) 0.8  1.5  3.0  3.0  1.5  3.0  3.0  3.0  1.5  3.0 
Rotation Speed (r/min) 1440
Insulation Grade F
Power Supply 3P 220V ~ 690V
Control Voltage 24V/36V/48V
No. of Chain 1 1 1 1 2 1 1 2 3 2
Spec. of Load Chain  ø6.3 ø7.1 ø10.0 ø10.0 ø7.1 ø11.2 ø11.2 ø10.0 ø7.1 ø11.2
Net Weight (Kg) 47 61 108 115 73 115 122 131 85 151

 

 

Dual Speed  Technical Parameters
Model  SSDHL
0.5-01D 01-01D 1.5-01D 02-01D 02-02D 2.5-01D 03-01D 03-02D 03-03D 05-02D
Capacity (t) 0.5t 1t  1.5t 2t 2.5t 3t 5t
Lifting Speed (m/min) 7.2/2.4 6.9/2.3 9.0/3.0 6.9/2.3 3.3/1.1 5.4/1.8 5.41.8 4.5/1.5 2.4/0.8 2.7/0.9
Motor Power (Kw) 0.8/0.27 1.8/0.6 3.0/1.0 3.0/1.0 1.8/0.6 3.0/1.0 3.0/1.0 3.0/1.0 1.8/0.6 3.0/1.0
Rotation Speed (r/min) 2880/960
Insulation Grade F
Power Supply 3P 220V ~ 690V
Control Voltage 24V/36V/48V
No. of Chain 1 1 1 1 2 1 1 2 3 2
Spec. of Load Chain  ø6.3 ø7.1 ø10.0 ø10.0 ø7.1 ø11.2 ø11.2 ø10.0 ø7.1 ø11.2
Net Weight (Kg) 54 74 144 150 86 148 159 168 102 184

Company Profile

TXK was founded in 1997 and is a leading manufacturer of lifting and material handling equipments with almost 20 years experience. We provide quality, safe and stable products to meet the highest industrial standards. We are ISO9001:2008 certified company, our products are GS, CE certified, serving all spheres of industry in the world.

Our brand CZPT is well sold in more than 50 countries worldwide and has earned an enviable reputation for high quality products. With our professional R&D team, we are CZPT to provide customization services with the most professional quality and never stop meeting the highest standard of safety.

TXK will never stop being as an innovation manufacturer. We will continue to develop and extend our products range with high quality, safety standard and long life usage.

 

Types of Pulley Systems

If you’ve ever tried to lift a pail of water, you’ve probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.
pulley

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.
pulley

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn’t change direction, so it’s easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.
pulley

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they’re assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

China supplier 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods   with Good qualityChina supplier 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods   with Good quality

China high quality 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods with Best Sales

Product Description

 

1 Ton Electric Hoist Chain Pulley Block for Lifting Goods

Characteristics:

  1. 0.5~50 ton lifting capacity
  2. With upper hook (fixed) or with trolley
  3. Single/Double speed option
  4. Shell: aluminum alloy
  5. Chain: high quality G80
  6. Chain container: canvas / iron
  7. Gear & chain wheel: alloy steel + heat treatment
  8. Hooks: heat forging+heat treatment
  9. Chain diameter: 6.3~11.2mm (as per different capacities)
  10. Motor rotate speed:1440r/min(single speed),  2880/960 r/min(double speed),
  11. Standard chain length: 3m (can be customized)
  12. Power specification:200~690V,50/60HZ,3 Phase
  13. Safe voltage:24V/36V/48V
  14. Button switch:2/4/6/8 buttons option
  15. Insulation grade:F class
  16. Protection class: IP55
  17. Working group:M4
  18. Working temperature: -40ºC ~ +40ºC
  19. OEM acceptable
  20. Customized logo acceptable
  21. Package: plywood case
  22. Warranty: 2 years for mechanical parts, 1 year for electric parts

 

Detailed Photos

 

 

Certifications

Packaging & Shipping

Company Profile

 

Exhibition

 

FAQ
1.How about after sales service?
We supply free spare parts to replace your hoists. Besides, we can send your the video to CZPT your engineers.
2.How to ensure the quality?
Before packing hoist, our workers will send hoists to inspection center well checked.And we take detailed pictures for each hoist before packing.You can offer our serial No.And then know the detailed products.
3.If it is spare parts?
We are manufacturing 60% spare parts in our factory to control high quality, and the other 40% spare parts supplier are from our long term supplier.Before stocking in warehouse, we have strict inspection for each parts.
4.If it is warranty?
We can provide 1 years warranty for electric parts, 2 years for mechanical parts.

 

How to Assemble a Pulley System

A pulley is a wheel that rotates on a shaft or shaft to support the movement of a taut cable. Pulleys allow power to be transmitted from the shaft to the cable.
pulley

Simple pulley

The simplest theory of operation of a pulley system assumes that the rope and weight are weightless and that the rope and pulley are not stretched. Since the force on the pulley is the same, the force on the pulley shaft must also be zero. Therefore, the force exerted on the pulley shaft is also distributed evenly between the 2 wires passing through the pulley. The force distribution is shown in Figure 1.
The use of simple pulleys is as old as history. Before the Industrial Revolution, people relied on muscle strength to carry heavy loads. Pulleys, levers and ramps make this possible. Today, we can see pulleys in a variety of systems, from exercise equipment to garage doors, and even rock climbers use them to help them reach greater heights. As you can see, these simple machines have been around for centuries and are used in everyday life.
Another simple pulley system is the pulley system. In this system, there is a fixed pulley at the top and a movable pulley at the bottom. The 2 pulleys are connected by a rope. This combination reduces the amount of work required to lift the load. Additionally, the ropes used in this system are usually made of rope and woven through the individual wheels of the pulley drum.
A pulley is an ingenious device that distributes weight evenly and can be used to lift heavy objects. It is easy to build and can be easily modified for a wide range of activities. Even young children can make their own with very few materials. You can also use simple household items such as washing machines, thin textbooks and even chopsticks. It’s very useful and can be a great addition to your child’s science and engineering activities.
The simplest pulley system is movable. The axis of the movable pulley can move freely in space. The load is attached to 1 end of the pulley and the other end to the stationary object. By applying force on the other end of the rope, the load is lifted. The force at the other end of the rope is equal to the force at the free end of the pulley.
Another form of pulley is the compound pulley. Compound pulleys use 2 or more wheels to transmit force. Compound pulleys have 2 or more wheels and can lift heavier objects. Dim is POLE2.
pulley

tapered pulley

It is important to clean and align the bolt holes before assembling the tapered pulley. The screws should be lubricated and the threads cleaned before installation. To install the pulley, insert it into the shaft keyway. The keyway should be aligned with the shaft hole to prevent foreign matter from entering the pulley. Then, alternately tighten the bolts until the pulley is tightened to the desired torque.
A tapered pulley is a basic structure. The pulley belt is arranged across 4 steps. Installed between the headstock casting and the main shaft, it is often used in the paper industry. It integrates with printing machinery and supports assembly lines. These pulleys are also available in metric range options, eliminating the need for ke-waying or re-drilling. They are easy to install, and users can even customize them to suit their needs.
CZPT Private Limited is a company that provides unique products for various industries. This large product is used for many different purposes. Also, it is manufactured for industrial use. The company’s website provides detailed specifications for the product. If you need a tapered pulley, contact a company in your area today to purchase a quality product!
Tapered pulleys are vital to paper mill machinery. Its special design and construction enable it to transmit power from the engine source to the drive components. The advantages of this pulley include low maintenance costs and high mechanical strength. Cone wheel diameters range from 10 inches to 74 inches. These pulleys are commonly used in paper mills as they offer low maintenance, high mechanical strength and low wear.
A tapered sleeve connects the pulley to the shaft and forms an interference fit connector. The taper sleeve is fixed on the shaft with a key, and the corresponding inner hole is fixed on the shaft with a key. These features transmit torque and force to the pulley through friction. This allows the tapered pulley to move in a circular motion. The torque transfer characteristics of this pulley are most effective in high speed applications.
The sleeve is the most important part when assembling the tapered pulley. There is an 8-degree taper inside the cone, which is closely connected to the inner surface of the pulley. Taper sleeves and pulleys are interchangeable. However, tapered pulleys can be damaged after prolonged use.
pulley

pulley pulley system

A pulley pulley system is a great way to move heavy objects. These systems have been around for centuries, dating back to the ancient Greeks. This simple mechanism enables a person to lift heavy objects. These blocks are usually made of rope, and the number of turns varies for different types of rope. Some blocks have more cords than others, which creates friction and interferes with the easy movement of the lifting system.
When using a pulley pulley, the first thing to decide is which direction to pull. Unfavorable rigging means pulling in the opposite direction. In theory, this method is less efficient, but sometimes requires a certain amount of work space. The benefit is that you will increase the mechanical advantage of the pulley by pulling in the opposite direction. So the interception and tackle system will give you more of a mechanical advantage.
Pulley pulleys are an excellent choice for lifting heavy objects. The system is simple to install and users can easily lift objects without extensive training. Figure 3.40 shows a pulley in action. In this photo, the person on the left is pulling a rope and tying the end of the rope to a weight. When the rope is attached to the load, the rope will be pulled over the pulley and pulley.
The blocks on the blocks are attached to the ends of the rope. This creates unique lifting advantages compared to single-line systems. In Figure 3, the tension of each thread is equal to one-third of the unit weight. When the rope is pulled over the pulley, the force is divided equally between the 2 wires. The other pulley reverses the direction of the force, but that doesn’t add any advantage.
Use pulleys to reduce traction and load. The weight of the load has not changed, but the length of the rope has increased. Using this method, lifting the load by pulling the rope 4 times reduces the force required to lift 1 foot. Likewise, if the pulley system had 4 pulleys instead of three, the length of the rope would be tripled.
The system can transmit loads in any direction. Rope length is determined by multiplying the distance from the fixed block to the load by the mechanical advantage. If the mechanical advantage is 3:1, then passing the rope through the pulley 3 times will produce the required traction distance. Also, the length of the rope will depend on the mechanical advantage, so if the load is 3 times the length of the rope, it will be more than 3 times the required length.

China high quality 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods   with Best SalesChina high quality 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods   with Best Sales