China Professional 1b Qd Bushed Sheaves Pulleys for a and B Belts idler pulley

Product Description

1B QD Bushed Sheaves Pulleys for A and B Belts

 

Product Description

 

1B series pulleys are manufactured for A, AX, AA, 4L, B, BX, BB, and 5L v-belts, ranging from 3.75″ to 20.35″ in diameter. Depending on the pulley size, they are made to use with SH, SDS, or SK QD bushings, which we also stock. Most of our single-groove 1B QD bushed pulleys are manufactured from a high-strength grade 35 cast iron, are phosphate-coated, and are painted for anti-corrosion. All of them are balanced at the factory for smooth machinery operation. The main benefit of using a QD (quick detachable) pulley is that if the bushing (hub) breaks, you don’t have to replace the whole assembly, or if just the pulley gets worn out, the same principle applies. The other significant benefit is that there is a broader range of bore options with QD pulleys than with the “fixed-bore” style.

Product Parameters

Size

Bushing Type

Type

Pitch Diameter (4L/A)

Pitch Diameter (5L/B)

Outside Diameter

(E)

(F)

(L)

(M)

Pulley Weight (LBS)

1B34SH SH E 3.0″ 3.4″ 3.75″ 7/32″ 7/8″ 1-5/16″ 21/32″ 2.0
1B36SH SH D 3.2″ 3.6″ 3.95″ 19/32″ 7/8″ 1-5/16″ 5/32″ 2.2
1B38SH SH D 3.4″ 3.8″ 4.15″ 19/32″ 7/8″ 1-5/16″ 5/32″ 2.4
1B40SH SH C 3.6″ 4.0″ 4.35″ 11/32″ 7/8″ 1-5/16″ 3/32″ 2.7
1B42SH SH C 3.8″ 4.2″ 4.55″ 11/32″ 7/8″ 1-5/16″ 3/32″ 2.9
1B44SH SH C 4.0″ 4.4″ 4.75″ 11/32″ 7/8″ 1-5/16″ 3/32″ 3.4
1B46SDS SDS C 4.2″ 4.6″ 4.95″ 11/32″ 7/8″ 1-5/16″ 3/32″ 4.0
1B48SDS SDS C 4.4″ 4.8″ 5.15″ 11/32″ 7/8″ 1-5/16″ 3/32″ 4.3
1B50SDS SDS C 4.6″ 5.0″ 5.35″ 11/32″ 7/8″ 1-5/16″ 3/32″ 4.7
1B52SDS SDS C 4.8″ 5.2″ 5.55″ 11/32″ 7/8″ 1-5/16″ 3/32″ 5.0
1B54SDS SDS C 5.0″ 5.4″ 5.75″ 11/32″ 7/8″ 1-5/16″ 3/32″ 5.3
1B56SDS SDS C 5.2″ 5.6″ 5.95″ 11/32″ 7/8″ 1-5/16″ 3/32″ 5.6
1B58SDS SDS C 5.4″ 5.8″ 6.15″ 11/32″ 7/8″ 1-5/16″ 3/32″ 5.9
1B60SDS SDS C 5.6″ 6.0″ 6.35″ 11/32″ 7/8″ 1-5/16″ 3/32″ 6.2
1B62SDS SDS C 5.8″ 6.2″ 6.55″ 11/32″ 7/8″ 1-5/16″ 3/32″ 6.5
1B64SDS SDS C 6.0″ 6.4″ 6.75″ 11/32″ 7/8″ 1-5/16″ 3/32″ 6.8
1B66SDS SDS C 6.2″ 6.6″ 6.95″ 11/32″ 7/8″ 1-5/16″ 3/32″ 7.2
1B68SDS SDS C 6.4″ 6.8″ 7.15″ 11/32″ 7/8″ 1-5/16″ 3/32″ 7.5
1B70SDS SDS C 6.6″ 7.0″ 7.35″ 11/32″ 7/8″ 1-5/16″ 3/32″ 7.8
1B74SDS SDS D 7.0″ 7.4″ 7.75″ 17/32″ 1″ 1-5/16″ 7/32″ 8.8
1B80SDS SDS D 7.6″ 8.0″ 8.35″ 17/32″ 1″ 1-5/16″ 7/32″ 9.6
1B86SDS SDS D 8.2″ 8.6″ 8.95″ 17/32″ 1″ 1-5/16″ 7/32″ 10.0
1B94SDS SDS D 9.0″ 9.4″ 9.75″ 17/32″ 1″ 1-5/16″ 7/32″ 10.5
1B110SDS SDS D 10.6″ 11.0″ 11.35″ 17/32″ 1″ 1-5/16″ 7/32″ 11.0
1B124SDS SDS D 12.0″ 12.4″ 12.75″ 17/32″ 1″ 1-5/16″ 7/32″ 12.0
1B136SDS SDS D 13.2″ 13.6″ 13.95″ 17/32″ 1″ 1-5/16″ 7/32″ 14.0
1B154SK SK C 15.0″ 15.4″ 15.75″ 21/32″ 1″ 1-15/16″ 9/32″ 16.0
1B160SK SK C 15.6″ 16.0″ 16.35″ 21/32″ 1″ 1-15/16″ 9/32″ 16.6
1B184SK SK C 18.0″ 18.4″ 18.75″ 21/32″ 1″ 1-15/16″ 9/32″ 18.0
1B200SK SK C 19.6″ 20.0″ 20.35″ 21/32″ 1″ 1-15/16″ 9/32″ 20.0

 

Company Profile

HZPT is a professional manufacturer of mechanical parts. Our main products are belt pulleys, sprockets, taper sleeves, coupling, and other transmission parts. Its products are mainly exported to Germany, Britain, France, and other European countries, with an annual export value of 18 million US dollars, accounting for more than 65% of the total output. The annual output value reached 200 million yuan.

Our products all adopt international, European, and American advanced industrial standards, use precise and good processing equipment, develop reasonable production technology, apply efficient and flexible management systems, and improve the quality management system to ensure that the product quality is good and the price is affordable.

Our factory adheres to the enterprise concept of “quality: the basis of enterprise survival, integrity: the basis of enterprise development, service: the source of enterprise development, low price: the instrument of enterprise development.” We are always looking CHINAMFG to the presence of customers at home and abroad, seeking CHINAMFG benefits and joint cause development.

Warehouse Stock

The warehouse covers an area of 5000 square CHINAMFG and can provide all kinds of standard models A/B/C/Z, with complete quantity and large quantity in stock. Meanwhile, it accepts all sorts of non-standard customization for drawing production. The daily production capacity is 10 tons, and the delivery time is short.

Packaging & Shipping

 

Experienced Workers Packing Pulleys Carefully, safe wooden cases keep parts from being injured or damaged during sea or air shipment.

 

Certification: CE, ISO
Pulley Sizes: Type F
Manufacturing Process: Forging
Material: Carbon Steel
Surface Treatment: Baking Paint
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

sheave pulley

What role do compound pulleys play in rescue and hoisting operations?

Compound pulleys play a crucial role in rescue and hoisting operations, offering significant advantages in terms of load management, lifting efficiency, and safety. Here is a detailed explanation of the role compound pulleys play in rescue and hoisting operations:

1. Load Management: Compound pulleys excel in load management during rescue and hoisting operations. They provide a mechanical advantage that allows operators to lift heavy loads with reduced effort. This is particularly important in emergency situations where time is critical, and the weight of the load may exceed the physical capabilities of the rescuers. Compound pulleys enable the efficient distribution of the load across multiple line segments, making it easier to lift and control heavy objects during rescue or hoisting operations.

2. Lifting Efficiency: Compound pulleys significantly improve lifting efficiency in rescue and hoisting operations. By utilizing multiple pulleys, they amplify the force applied to the load, allowing rescuers to lift heavier loads with less physical exertion. The mechanical advantage provided by compound pulleys enables the transformation of a smaller force exerted over a longer distance into a larger force exerted over a shorter distance, making the lifting process more efficient and effective. This efficiency contributes to faster and safer rescue operations.

3. Control and Precision: Compound pulleys offer precise control and precise movement of loads during rescue and hoisting operations. Rescues often require careful positioning and maneuvering of the load, especially when dealing with injured or immobilized individuals. Compound pulleys allow operators to make fine adjustments and control the lifting process with ease. The ability to change the direction of force and adjust the tension in the lines provides rescuers with the necessary control and precision to navigate challenging environments and obstacles during rescue operations.

4. Safety: Compound pulleys enhance safety in rescue and hoisting operations. The mechanical advantage they provide reduces the physical strain on the rescuers, minimizing the risk of injuries caused by excessive exertion. Compound pulleys also offer a controlled and gradual lifting process, minimizing the potential for sudden load shifts or drops. Additionally, compound pulleys can be integrated with safety features such as locking mechanisms or redundant systems to ensure the safety of both the rescuers and the individuals being rescued. The use of compound pulleys in rescue operations aligns with best practices for maintaining a safe working environment.

5. Adaptability: Compound pulleys are highly adaptable and can be used in various rescue and hoisting scenarios. They can be integrated into different systems and configurations, such as tripod setups, pulley systems, or winches, to accommodate specific operational requirements. Compound pulleys can handle a wide range of loads, making them suitable for lifting individuals, equipment, or materials during rescue operations. Their versatility allows for efficient and effective deployment in diverse rescue situations, including confined space rescues, high-angle rescues, or industrial accidents.

6. Collaborative Lifting: Compound pulleys facilitate collaborative lifting efforts in rescue operations. By using compound pulley systems, multiple rescuers can work together to lift heavy loads that would be impossible for a single individual to handle. The mechanical advantage provided by compound pulleys enables coordinated lifting efforts, allowing rescuers to pool their strength and distribute the load effectively. This collaborative approach enhances the overall efficiency and safety of rescue operations.

In summary, compound pulleys play a vital role in rescue and hoisting operations by enabling load management, improving lifting efficiency, providing control and precision, enhancing safety, offering adaptability, and facilitating collaborative lifting efforts. Their utilization contributes to the success of rescue operations, ensuring the efficient and safe retrieval of individuals and the effective handling of heavy loads in challenging circumstances.

sheave pulley

How are compound pulleys used in the operation of cranes and elevators?

Compound pulleys play a crucial role in the operation of cranes and elevators, enabling them to lift and move heavy loads with ease and efficiency. The design and arrangement of compound pulleys provide mechanical advantage, allowing for the multiplication of force and the reduction of effort required to lift objects. Here is a detailed explanation of how compound pulleys are used in the operation of cranes and elevators:

Crane Operation:

In cranes, compound pulleys are commonly used in the lifting mechanism to handle heavy loads. The pulleys are arranged in a system of ropes or cables, with multiple sheaves connected in series or parallel. The ropes or cables pass through the sheaves, creating multiple lines of support. The combination of fixed and movable pulleys in the system increases the mechanical advantage, making it easier to lift heavy objects. When force is applied to the rope or cable, the compound pulleys distribute the load and reduce the amount of force required from the operator.

Elevator Operation:

In elevators, compound pulleys are utilized in the hoisting system to move the elevator car vertically. The pulleys are typically located at the top of the elevator shaft. The elevator car is suspended by ropes or cables that pass over the sheaves of the compound pulleys. The mechanical advantage provided by the pulley system allows the elevator motor to exert less force to lift the car. The compound pulleys effectively distribute the weight of the car, making it easier to move up and down. Additionally, the design of the pulley system allows the elevator car to be lifted and lowered smoothly and safely.

Both in cranes and elevators, compound pulleys offer the following advantages:

  1. Increased Lifting Capacity: The mechanical advantage provided by compound pulleys allows cranes and elevators to lift much heavier loads than what could be achieved with a single pulley system. The compound pulleys distribute the load over multiple lines of support, reducing the strain on individual ropes or cables and enabling the lifting of heavier objects.
  2. Efficiency: Compound pulleys increase the efficiency of cranes and elevators by reducing the amount of force required to lift or lower loads. The mechanical advantage achieved through the arrangement of pulleys allows operators to lift heavy objects with less effort, making the operation more efficient and less fatiguing.
  3. Precise Control: Compound pulley systems offer precise control over the movement of cranes and elevators. By adjusting the tension and arrangement of the ropes or cables, operators can control the speed and direction of the lifting or lowering process. This precise control allows for safe and accurate positioning of loads in various applications.
  4. Smooth Operation: The combination of fixed and movable pulleys in compound pulley systems helps ensure smooth and stable operation of cranes and elevators. The pulleys reduce the friction between the ropes or cables and the sheaves, minimizing jerky movements and providing a smooth lifting or lowering experience.

In summary, compound pulleys are essential components in the operation of cranes and elevators. Their mechanical advantage, increased lifting capacity, efficiency, precise control, and smooth operation make them ideal for handling heavy loads and facilitating vertical transportation in various industries and settings.

sheave pulley

What are the advantages of using compound pulleys for heavy lifting?

Using compound pulleys for heavy lifting tasks offers several advantages due to their mechanical advantage and design. Here is a detailed explanation of the advantages of using compound pulleys for heavy lifting:

1. Mechanical Advantage: Compound pulleys provide a significant mechanical advantage, allowing users to lift heavy loads with less effort. By distributing the load across multiple line segments and amplifying the applied force, compound pulleys make it easier to overcome the weight of the load. This can reduce the physical strain on the operator and enable the lifting of much heavier loads than would be possible with a single fixed pulley or manual lifting alone.

2. Efficiency: Compound pulleys increase lifting efficiency by minimizing the effort required for heavy lifting tasks. With the mechanical advantage provided by compound pulleys, a smaller force exerted over a longer distance can generate a larger force over a shorter distance to lift the load. This allows for more efficient use of human or mechanical power, reducing fatigue and maximizing productivity in lifting operations.

3. Control and Precision: Compound pulleys offer precise control over the lifting process. The multiple line segments and the ability to change the direction of force allow for fine adjustments and smooth movement of the load. This level of control is particularly valuable in applications where precise positioning or delicate handling of heavy objects is required, such as in construction, manufacturing, or theatrical rigging.

4. Versatility: Compound pulleys are versatile and can be adapted to various lifting tasks and environments. They can be incorporated into different configurations and systems, such as cranes, hoists, or pulley blocks, to suit specific requirements. Compound pulleys can handle a wide range of loads, making them suitable for diverse industries, including construction, mining, manufacturing, and entertainment.

5. Safety: When used properly, compound pulleys can enhance safety in lifting operations. The mechanical advantage they provide reduces the risk of strain-related injuries to operators by minimizing the physical effort required. Additionally, by allowing for controlled and gradual lifting, compound pulleys can help prevent sudden load shifts or drops, enhancing overall safety in the workplace.

6. Reduction in Equipment Size and Weight: Compound pulleys allow for the lifting of heavy loads while reducing the size and weight of the equipment required. This can be beneficial in situations where space is limited or mobility is a concern. By utilizing the mechanical advantage of compound pulleys, compact and lightweight lifting systems can be designed, providing efficiency and convenience in various applications.

Overall, the advantages of using compound pulleys for heavy lifting tasks include the mechanical advantage they provide, increased efficiency, precise control, versatility, enhanced safety, and the potential for compact and lightweight equipment design. These factors make compound pulleys a valuable tool in industries that require the lifting and handling of heavy loads.

China Professional 1b Qd Bushed Sheaves Pulleys for a and B Belts   idler pulley	China Professional 1b Qd Bushed Sheaves Pulleys for a and B Belts   idler pulley
editor by CX