China supplier Mining Use Guide Rope Pulley Head Sheave wholesaler

Product Description

 Mining Use Xihu (West Lake) Dis. Rope Pulley Head Sheave

 

Xihu (West Lake) Dis. wheel device can transport the whole under the premise of swimming round and fixed wheel adopts integral cast joint structure, wheel hub, wheel rim for cast steel materials, spoke for the channel steel, after welding the whole annealing process again. 
Considering the replacement bearing maintenance convenient, leave replace bearing remove space, guide wheel device structure adopted eccentric layout. 
Xihu (West Lake) Dis. shaft using middle carbon alloy steel forging whole, adopting the structure of the cast joint pulley, equipped with PVC or nylon liner, protect the wire rope. 
Imported or domestic spherical roller bearings, also can install bearing temperature measuring element. 
In order to prolong the service life of wire rope, rim inside wedge liner with wear-resisting, withstand voltage, using D660 (1571) or nylon liner. 
1) eccentric layout: on 1 side of a winding wheel have replaced bearing dismantling space, can not remove the pulley mechanism, only for bearing maintenance and replacement. 
2) symmetry layout: relative with 4 wheels on both sides of the 2 bearing seat is symmetrical, but need to replace the bearing shell, only to remove the pulley mechanism. 
 
sheave pulley and the common malfunction and technical guide wheel 
1) to the problem of old structure pulley sliding bearing to burn tile should improve lubrication way; Because of the pulley is installed on the derrick, daily maintenance inconvenience, should add temperature alarm device, so as to timely maintenance to prevent the tile burning failure, or the original sliding bearing replacement into rolling bearing structure 
2) for old structure pulley rope groove without liner, can no longer add padding on the original rope groove, need to change a gasketed pulley, adjacent assembly size can remain motionless, and installation 
3) for mountain transportation difficulties or have some difficulties in roadway transportation in underground mine, the pulley is (guide wheel) change the structure into 2 or 4 and a half of head sheave.

Specifications

Product name Coal mine use head sheave
Material 45#,Q235B,Q235A,Q345A,Q345B,alloy steel,carbon steel,etc
Heat treatment Normalizing,annealing,aging,hardening and tempering
Process Blanking,bending,spicing,welding,
abrasive blasting(shot blasting),milling,drilling,tapping,test
Main equipment 1.6m,5m CNC Vertical Lathe; 8m,6m,5m Horizontal Lathe; milling machine; 6m,4m,3m,2m, CNC boring&milling machine; 2 sets CNC Lathes,2sets CNC Machining center VMC 850L;80mm,50mm drilling machine; Plasma cutting machine; CNC cutting machine; Bending machine; Rolling machine;plate shearing machine; submerged arc welding; gas shielded welding; argon arc welding;  large spray room etc.
Max. diameter 15000mm
Inspection dimension inspection, external environment test, visual inspection, incoming inspection, finished product inspection, flaw detection
Max. weight 10T

About Us:
CITICHL Heavy Industries CO., LTD. The former was CITIC Heavy Machinery Co., Ltd. It was used be subsidiary of CITIC heavy machinery co., ltd. The company was founded in 1981 and finished joint stock reform in 2005, which is located in HangZhou city, capital city of 9 dynasties in ancient times.
With a garden-like industrial park and modern standard plant covering 80000 square meters, CHINAMFG possesses advanced equipments, technologies and detecting methods. After more than 30 years development, the company has developed into a collectivized 1 with product designing, manufacture, installation and technical services.
The products comprise all the equipments used in mining, ore dressing, hoisting, coal preparation, crushing and grinding, cement plant, metallurgic and steel rolling, environment protection, and also power generator, heavy-duty gear reducers and large-sized castings and forgings, etc.
CITICHL is national major industry and heavy machinery manufacturing base in the middle of china, we can supply the customers with important complete technical equipments in mining, non-ferrous metal, chemical industry, metallurgy, construction materials, environment protection, and power generating as well as other basic industries. The company can accept the packed engineering project. Our products are sold well to countries and regions in Asia, Africa, Europe, and Australia, and hold a large market share home and abroad.

 

Type: Head Sheave
Driven Type: AC
Speed: Fast
Carrying Capacity: Weight Level
Tonnage: 2T
Reel Number: 1 or 2
Customization:
Available

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Customized Request

rope pulley

How do rope pulleys compare to other types of pulleys in terms of functionality?

Rope pulleys offer unique functionality compared to other types of pulleys. Here’s a detailed comparison:

1. Mechanical Advantage: Rope pulleys provide mechanical advantage by distributing the load across multiple sheaves and ropes. This allows for easier lifting and moving of heavy loads. Other pulley types, such as fixed pulleys or belt pulleys, do not offer the same mechanical advantage.

2. Directional Changes: Rope pulleys allow for directional changes in the path of the rope or cable. They enable the rope to be redirected as desired, providing flexibility and control in various applications. On the other hand, fixed or single-direction pulleys do not offer the same capability for directional changes.

3. Load Distribution: Rope pulleys distribute the load across multiple ropes or cables, reducing strain and preventing excessive stress on individual components. This load distribution helps improve safety and efficiency. In contrast, other pulley types may not provide the same level of load distribution.

4. Friction: Rope pulleys are designed to minimize friction between the rope and the pulley, allowing for smooth and efficient movement. Low-friction pulleys reduce energy losses and prevent unnecessary wear on the rope. In comparison, some other pulley types may have higher friction and may require additional lubrication to reduce friction.

5. Speed Control: Rope pulleys can be used to adjust the speed of the moving rope by incorporating pulleys with different diameters or groove configurations. This speed control feature is particularly useful in applications where precise control over the speed is required. Other pulley types may not offer the same level of speed control.

6. Flexibility: Rope pulleys provide flexibility in system design and configuration. They can be easily integrated into various setups, allowing for customized solutions based on specific requirements. Other pulley types may have more limited options for customization and flexibility.

7. Multiple Applications: Rope pulleys have a wide range of applications across different industries, including construction, manufacturing, transportation, and entertainment. Their versatility allows them to be used in diverse tasks and operations. While other pulley types may also have specific applications, rope pulleys are more commonly utilized in various scenarios.

8. Reduced Manual Handling: Rope pulleys reduce the need for excessive manual force, making manual handling tasks more efficient and less physically demanding. This can help minimize the risk of fatigue, strain, and injury for workers. Other pulley types may not provide the same level of assistance in reducing manual effort.

In summary, rope pulleys stand out in terms of their mechanical advantage, directional change capability, load distribution, reduced friction, speed control, system flexibility, wide range of applications, and assistance in manual handling. These unique functionalities make rope pulleys a versatile and efficient choice for many cable and rope-based systems.

rope pulley

How do advancements in material technology influence the design of modern rope pulleys?

Advancements in material technology have a significant impact on the design of modern rope pulleys. Here’s a detailed explanation:

1. Lightweight and High-Strength Materials: The development of lightweight and high-strength materials, such as advanced polymers, composites, and alloys, has revolutionized the design of rope pulleys. These materials offer superior strength-to-weight ratios compared to traditional materials like steel. As a result, modern pulleys can be designed with reduced weight while maintaining or even enhancing their load-bearing capacity.

2. Corrosion Resistance: Some industries operate in corrosive environments, such as marine or chemical industries. Advancements in material technology have led to the development of corrosion-resistant materials that can withstand exposure to harsh chemicals, saltwater, and other corrosive agents. Pulleys made from these materials maintain their performance and integrity over extended periods, reducing maintenance requirements and increasing their lifespan.

3. Wear Resistance: Modern materials with improved wear resistance properties contribute to the longevity and durability of rope pulleys. These materials can withstand friction, abrasion, and repetitive motion without significant wear or degradation. This results in reduced maintenance and replacement costs, making them more cost-effective for industrial applications.

4. Self-Lubricating Properties: Some advanced materials possess self-lubricating properties, reducing the need for external lubrication in rope pulley systems. These materials have low friction coefficients and can self-lubricate during operation, minimizing wear on the pulley and the rope. Self-lubricating pulleys offer advantages such as reduced maintenance, improved efficiency, and cleaner operation.

5. Temperature Resistance: Industries that operate in extreme temperature conditions, such as aerospace or oil and gas, require rope pulleys that can withstand high or low temperatures. Modern materials have been developed to exhibit excellent temperature resistance, allowing pulleys to maintain their performance and structural integrity under extreme temperature variations.

6. Design Flexibility: Advancements in material technology have increased the design flexibility of modern rope pulleys. These materials can be molded, extruded, or formed into complex shapes, allowing for customized designs to meet specific application requirements. Designers have the freedom to optimize pulley shapes, groove designs, and other features to enhance performance, efficiency, and load-bearing capabilities.

7. Enhanced Safety Features: Some modern materials incorporate safety features into the design of rope pulleys. For example, materials with high impact resistance can help prevent accidents and minimize the risk of pulley failure. Additionally, materials with inherent flame retardant properties can improve safety in industries where fire hazards are a concern.

Advancements in material technology continue to drive innovation in the design of modern rope pulleys. By leveraging the properties of new materials, engineers can create pulleys that are lighter, stronger, more durable, corrosion-resistant, and tailored to specific industrial needs. These advancements contribute to improved performance, efficiency, and safety in various applications where rope pulleys are utilized.

rope pulley

Can you explain the different types of rope pulleys and their functions?

There are different types of rope pulleys, each designed to serve specific functions and applications. Here’s an explanation of some common types of rope pulleys and their respective functions:

  • Fixed Pulley: A fixed pulley has a stationary axle and does not provide any mechanical advantage. It changes the direction of the force applied to the rope, making it easier to pull or lift loads vertically. Fixed pulleys are often used in combination with other pulleys to create more complex pulley systems.
  • Movable Pulley: A movable pulley has an axle that is free to move, allowing it to be attached to the load being lifted. When a rope passes through a movable pulley, the pulley and the load both move in the same direction. Movable pulleys provide a mechanical advantage by reducing the effort required to lift heavy loads.
  • Block and Tackle: A block and tackle system consists of multiple pulleys arranged in a combination of fixed and movable pulleys. This arrangement provides a significant mechanical advantage, allowing for the lifting of extremely heavy loads with reduced effort. Block and tackle systems are commonly used in construction, rigging, and maritime applications.
  • Snatch Block: A snatch block is a specialized type of pulley with a side opening that allows the rope to be easily inserted or removed. Snatch blocks are often used in rigging to redirect the force applied to the rope and change its direction. They are particularly useful in situations where the rope needs to be redirected around obstacles or to achieve a different pulling angle.
  • Wire Rope Pulley: Wire rope pulleys are designed specifically for use with wire ropes, which are commonly used in heavy-duty lifting and rigging applications. Wire rope pulleys have grooves specifically shaped to accommodate wire ropes, ensuring proper alignment and reducing wear on the rope.
  • Rescue Pulley: Rescue pulleys are specialized pulleys designed for use in rescue operations and emergency situations. They are typically lightweight, compact, and feature additional safety features such as locking mechanisms or built-in swivels to facilitate efficient and safe rope handling.

These are just a few examples of the different types of rope pulleys available. The choice of pulley type depends on the specific requirements of the application, including the desired mechanical advantage, load capacity, rope type, and environmental conditions. By selecting the appropriate pulley type, users can optimize the efficiency, safety, and performance of their lifting, pulling, or redirecting operations.

China supplier Mining Use Guide Rope Pulley Head Sheave   wholesaler China supplier Mining Use Guide Rope Pulley Head Sheave   wholesaler
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