China Standard Sliding Gate Wheel, 2PCS V Pulley, Lightweight Easy Installation for Industrial Machine Sliding Rolling CZPT Sliding Door Wire Rope Rail pulley assembly

Product Description

Single Bearing Trapezoid Gate Wheel

Model A B C D E Weight
(Y)
Units:g
Weight
(U)
Units:g
Weight
(V)
Units:g
30×11 35 11 30 45 17 * * 63
40×14 45 14 38 75 25 192 185 194
50×15 55 15 48 75 25 253 244 263
50×15 60 15 48 85 30 303 292 302
60×17 65 20 58 85 30 400 395 410
70×20 80 20 68 100 35 640 640 665
80×20 85 20 48 100 35 805 785 825
90×20 100 20 88 133 35 1130 1121 1145
100×20 105 20 98 133 35 1350 1338 1363
The data is measured by hand, maybe there are some errors, just for reference.

Double Bearing Gate Wheel

Model A B C D E Weight(Y) Weight(U)
50MM 55 26 48 85 30 324 320
60MM 65 30 58 85 30 617 580
70MM 80 32 68 100 35 977 954
80MM 85 32 48 100 35 1260 1223
90MM 100 32 88 133 35 1788 1760
100MM 105 32 98 133 35 2100 2078
The data is measured by hand, maybe there are some errors, just for reference.

Laminated Gate Wheel

Model A B C D Weight(Y/V) Weight(U)
50mm 48 15 100 26 260 250
60mm 58 17 100 26 390 360
70mm 68 20 136 33 590 570
80mm 78 20 136 33 750 725
90mm 88 20 152 33 1060 1030
100mm 98 20 152 33 1265 1225
The data is measured by hand, maybe there are some errors, just for reference.

Hang Gate Wheel

 Model A B C D E F G H I
H25 51 25 M9*50 9 95 79 25 6 27
H38 86 38 M12*70 11 120 118 38 10 32
H55 115 55 M20*85 14 140 159 44 10 15
The data is measured by hand, maybe there are some errors, just for reference.

Triangle Gate Wheels/ Rotation Gate Wheels/ Hanging Wheels/ White Zinc Gate Wheels/ Doule Wheels Double Bearing Gate Wheel

      We have already had nealy a decade producting and exporting experience. Since 2014, we have sold our products to dozens of countries all around the world. And we have established a deep cooperative relationship with many customers. 
      We make our products with heart, strive to bring the best quality for customers. So we got a lot of customer approval. After that, we will also strictly control, down-to-earth, and forge ahead.

        1.ZheJiang Joinwin Hardware and Tools Co., Ltd. we have 10 years manufacturing and exporting experience which ranks among the best in China. Mainly sales pliers, spanners, scissors, saws, screwdrivers, wheels, sillicone sealant, tapline and other hand tools. 
        2.Located in HangZhou where is just 180km far from HangZhou Port and many raw material factories around, greatly reduces transportation and procurement costs.
        3.We have professional sales and engineers to provide satisfied service to clients. Our company covers an area of 1000 square meters, has the most advanced production equipment and technology.      
        4.Customer first, team work, embrace change, sincere are our company culture.      
        5.We aim to provide clients more safety and convenient life.

              Pliers                 Adjustable Wrench  Combination Spanners         Hammers               Pruner Scissors        Aviation Tin Snips
      Screwdrivers                    Padlocks                   Hand Saws                       Axe                 Silicone Sealant 
Q1: Can I get a sample?
A1: Yes, the samples are usually free for customers.

Q2: Can you provide OEM service?
A2: Yes, we can produce the goods according to clients’ demands.

Q3: How can you guarantee the quality?
A3: We have advanced equipment and professional engineer and quality inspector to ensure the quality of the goods. And we will send extra goods for insurance. Besides, we have satisfied after-service.

Q4: What is the MOQ?
A4: 500 PCS.

Q5: How long you will finish my order?
A5: Totally in 30 days. (The specific situation depends on the production schedule of the production department.)
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After-sales Service: 3 Years
Warranty: 365 Days
Certification: CE
Splittable: Splittable
Surface Treatment: Zinc Plated
Material: Metal
Samples:
US$ 0.01/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

rope pulley

What safety considerations should be kept in mind when using rope pulleys?

When using rope pulleys, several safety considerations should be kept in mind to ensure the well-being of individuals and the proper functioning of the pulley system. Here’s a detailed explanation of the safety considerations:

1. Equipment Inspection:

Before using rope pulleys, it is essential to inspect them thoroughly for any signs of damage, wear, or malfunction. Check for cracks, deformation, sharp edges, or corrosion that could compromise the pulley’s structural integrity. Inspect the attachment points, bearings, and axles to ensure they are secure and functioning properly. If any issues are detected, the pulley should be taken out of service and replaced or repaired as necessary.

2. Rope Compatibility:

Ensure that the rope used with the pulleys is compatible in terms of diameter, type, and strength. The rope should fit properly within the pulley’s groove, without excessive slack or binding. Using an incompatible rope can lead to performance issues, increased wear, or even catastrophic failure. Refer to the manufacturer’s recommendations for the appropriate rope specifications for the specific pulley.

3. Weight and Load Limits:

Respect the weight and load limits specified by the manufacturer for the pulley. Overloading a pulley can lead to excessive wear, deformation, or failure. Consider the combined weight of the load, the forces exerted during movement or lifting, and any potential dynamic loads. Ensure that the pulley and its associated components, such as anchor points and ropes, are rated to handle the expected loads safely.

4. Proper Installation:

Ensure that the pulleys are properly installed and securely attached to the anchor points or mounting systems. Follow the manufacturer’s instructions for correct installation techniques, such as using appropriate connectors, carabiners, or knots. Improper installation can lead to pulley slippage, unexpected movement, or detachment, compromising the safety and functionality of the system.

5. Redundancy and Backup Systems:

In critical applications or high-risk scenarios, consider incorporating redundancy and backup systems. This might include using multiple pulleys in parallel or establishing secondary anchor points. Redundancy helps mitigate the risk of a single point of failure and enhances the overall safety and reliability of the pulley system.

6. Proper Use of Personal Protective Equipment (PPE):

When using rope pulleys, ensure that the appropriate Personal Protective Equipment (PPE) is worn. This may include helmets, harnesses, gloves, and eye protection, depending on the specific activity and the associated hazards. PPE helps protect against potential falling objects, impacts, abrasions, or other risks associated with the use of pulleys.

7. Training and Competency:

Ensure that individuals operating the pulley system have received adequate training and possess the necessary competency for the specific activities. Proper training should cover topics such as pulley operation, rope handling techniques, safety procedures, and emergency response protocols. Competent individuals should be able to assess risks, make informed decisions, and respond effectively to any unforeseen circumstances that may arise during pulley operations.

8. Regular Maintenance and Inspection:

Implement a regular maintenance and inspection program for the pulley system. This includes periodic inspection of the pulleys, ropes, connectors, and anchor points. Lubrication of the pulley bearings, as recommended by the manufacturer, can help maintain their smooth operation. Regular maintenance helps identify and address any potential issues or wear before they compromise the safety and performance of the pulley system.

9. Environmental Considerations:

Take into account the environmental conditions in which the pulley system will be used. Factors such as temperature, humidity, exposure to moisture, or corrosive substances can affect the performance and lifespan of the pulleys and associated components. Consider using pulleys with appropriate corrosion resistance or protective coatings when operating in harsh environments.

10. Emergency Preparedness:

Have an emergency response plan in place and ensure that all individuals involved in the pulley operation are familiar with it. The plan should include procedures for rescuing individuals, addressing equipment failures, and handling unforeseen emergencies. Regular drills and practice sessions can help reinforce emergency preparedness and enhance the ability to respond effectively in critical situations.

In conclusion, keeping these safety considerations in mind when using rope pulleys is crucial for ensuring the well-being of individuals and the proper functioning of the pulley system. Proper equipment inspection, rope compatibility, adherence to weight and load limits, correct installation, redundancy, PPE usage, training, regular maintenance, environmental considerations, and emergency preparedness all contribute to a safe and reliable pulley operation.

rope pulley

Are there different types of rope pulleys, and how do they differ in applications?

Yes, there are different types of rope pulleys designed for various applications. Each type of pulley offers specific features and advantages that make them suitable for different uses. Here’s a detailed explanation of some common types of rope pulleys and how they differ in applications:

1. Fixed Pulleys:

Fixed pulleys are the simplest type of pulleys and have a stationary axle. They change the direction of the force applied to the rope but do not provide any mechanical advantage. Fixed pulleys are commonly used in applications where the purpose is to redirect the force or change the direction of the rope, such as flagpoles, clotheslines, or simple lifting systems. They do not reduce the effort required to lift the load.

2. Movable Pulleys:

Movable pulleys have an axle that can move along with the load. They provide a mechanical advantage by reducing the amount of force required to lift a load. The rope is threaded through the pulley, and one end is attached to a fixed point while the other end is used to apply force. Movable pulleys are commonly used in systems like block and tackle setups, where multiple pulleys are used in conjunction to distribute the load and provide a mechanical advantage. This type of pulley is often used in lifting heavy objects or in applications where a user wants to reduce the effort needed to move a load.

3. Compound Pulleys:

Compound pulleys, also known as combination pulleys, are a combination of fixed and movable pulleys. They provide an increased mechanical advantage compared to a single movable pulley. Compound pulleys consist of multiple pulleys, with some being fixed and others being movable. By combining fixed and movable pulleys, compound pulleys offer an even greater reduction in the force required to lift a load. They are commonly used in applications where heavy loads need to be lifted with minimal effort, such as in construction, rigging, or industrial settings.

4. Snatch Blocks:

Snatch blocks are a specialized type of pulley that is designed with a hinged side plate or a removable sheave. This feature allows the rope to be inserted into the pulley without threading it through one end. Snatch blocks are commonly used in applications where the rope cannot be easily threaded through the pulley due to its length or the presence of knots or attachments. They are frequently used in rigging, towing, or recovery operations.

5. Self-Locking Pulleys:

Self-locking pulleys, also known as progress capture pulleys, have a mechanism that automatically locks the pulley in place when a load is applied. This feature prevents the rope from slipping backward, providing additional safety and security. Self-locking pulleys are commonly used in applications where the load needs to be held securely in position, such as in rock climbing, rescue operations, or hauling heavy objects vertically.

6. Rescue Pulleys:

Rescue pulleys are specifically designed for use in emergency and rescue scenarios. They are typically lightweight, compact, and have additional features like side plates that open to allow the rope to be easily inserted or removed without detaching the pulley from the anchor. Rescue pulleys are commonly used in situations like mountaineering, caving, or search and rescue operations.

In summary, there are different types of rope pulleys, including fixed pulleys, movable pulleys, compound pulleys, snatch blocks, self-locking pulleys, and rescue pulleys. Each type of pulley offers unique features and advantages that make them suitable for specific applications. Understanding the different types of pulleys and their characteristics helps in selecting the appropriate pulley for a particular task or use case.

rope pulley

How do rope pulleys assist in lifting and moving heavy objects?

Rope pulleys play a vital role in lifting and moving heavy objects by providing mechanical advantage and changing the direction of applied forces. Here’s a detailed explanation of how rope pulleys assist in lifting and moving heavy objects:

1. Mechanical Advantage:

Rope pulleys provide a mechanical advantage, allowing users to exert less effort when lifting heavy objects. The mechanical advantage is achieved by distributing the weight of the load across multiple ropes and pulleys in a system. By increasing the number of pulleys or using a combination of fixed and movable pulleys, the mechanical advantage can be further enhanced. This redistribution of forces reduces the amount of force required by the user to lift or move the object, making it more manageable.

2. Directional Change of Forces:

Rope pulleys change the direction of the applied forces, enabling users to lift or move objects in a desired direction. When a rope is threaded through a pulley and attached to a load, pulling the rope downward results in an upward force on the load. This redirection of forces allows for vertical lifting as well as horizontal movement. By incorporating multiple pulleys and changing the arrangement of the ropes, the direction of forces can be adjusted to suit the specific lifting or moving requirements.

3. Increased Control and Precision:

Rope pulleys offer increased control and precision when lifting and moving heavy objects. The pulleys allow for smooth and controlled movement, minimizing jerks or sudden shifts that could potentially damage the load or cause accidents. This control is particularly important when dealing with delicate or fragile objects. By using rope pulleys, users can adjust the tension and movement of the ropes, ensuring a controlled and gradual lift or movement of the load.

4. Versatility and Adaptability:

Rope pulleys are versatile and adaptable tools for lifting and moving heavy objects. They can be used in a wide range of scenarios and environments, including construction sites, shipping yards, theaters, and recreational activities. Rope pulleys can accommodate different types of ropes or cables, allowing users to select the appropriate material and strength based on the specific requirements of the task. This versatility makes rope pulleys suitable for various applications and ensures efficient and safe lifting and movement of heavy objects.

5. Reduced Physical Strain and Risk of Injury:

By providing mechanical advantage and changing the direction of forces, rope pulleys help reduce the physical strain on users when lifting and moving heavy objects. This reduction in physical effort decreases the risk of fatigue, muscle strain, and potential injuries. Rope pulleys allow individuals to leverage their strength effectively and utilize proper lifting techniques, promoting safer working practices and minimizing the likelihood of accidents.

In conclusion, rope pulleys assist in lifting and moving heavy objects by providing mechanical advantage, changing the direction of forces, offering increased control and precision, and reducing physical strain and the risk of injury. Their design and functionality make them essential tools in various industries and scenarios where the efficient handling of heavy loads is required.

China Standard Sliding Gate Wheel, 2PCS V Pulley, Lightweight Easy Installation for Industrial Machine Sliding Rolling CZPT Sliding Door Wire Rope Rail   pulley assembly	China Standard Sliding Gate Wheel, 2PCS V Pulley, Lightweight Easy Installation for Industrial Machine Sliding Rolling CZPT Sliding Door Wire Rope Rail   pulley assembly
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