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
| Customized Request |
|---|
What is the significance of rope diameter in selecting the right rope pulley?
The rope diameter plays a significant role in selecting the right rope pulley. Here’s a detailed explanation:
1. Compatibility: The rope diameter must match the groove size of the pulley. Choosing a pulley with a groove that is too small for the rope diameter can result in excessive friction, wear, and potential damage to the rope. Conversely, selecting a pulley with a groove that is too large may cause the rope to slip or become unstable during operation. Therefore, selecting a rope pulley that is compatible with the specific rope diameter ensures proper engagement and efficient functioning.
2. Load Capacity: The rope diameter directly affects the load capacity of the pulley system. Thicker ropes typically have higher load-bearing capabilities due to their increased strength and durability. When selecting a rope pulley, it is crucial to consider the anticipated load requirements and choose a pulley that can safely support the expected loads for the given rope diameter.
3. Bending Radius: The rope diameter determines the minimum bending radius required for the rope to pass through the pulley. Using a pulley with a smaller bending radius than the rope diameter can cause excessive strain and deformation of the rope, leading to premature failure. It is essential to select a rope pulley that accommodates the bending radius recommended for the specific rope diameter to ensure the longevity and reliability of the system.
4. Efficiency: The rope diameter also affects the overall efficiency of the pulley system. Thicker ropes generally have lower flexibility and increased resistance to bending, which can result in higher friction losses within the pulley. Choosing a pulley with an appropriate groove size for the rope diameter helps minimize friction and energy losses, improving the overall efficiency of the system.
5. Application Specifics: Different applications may require specific rope diameters based on factors such as load requirements, environmental conditions, and safety considerations. For example, heavy-duty applications may necessitate thicker ropes to handle larger loads, while lighter applications may utilize thinner ropes for easier handling and reduced weight. Selecting the right rope pulley involves considering the application-specific requirements and matching them with the appropriate rope diameter.
6. Manufacturers’ Recommendations: It is important to consult the manufacturers’ recommendations and guidelines for selecting the right rope pulley based on the rope diameter. Manufacturers often provide specifications and compatibility charts that outline the suitable pulley options for different rope diameters. Following these recommendations ensures optimal performance, safety, and reliability of the rope pulley system.
Considering the significance of rope diameter in selecting the right rope pulley is crucial for ensuring proper engagement, load capacity, bending radius compliance, efficiency, application suitability, and adherence to manufacturers’ guidelines. By choosing a rope pulley that matches the specific rope diameter, the overall performance and longevity of the pulley system can be maximized.
Are there safety considerations when working with rope pulley systems?
Yes, there are several safety considerations that should be taken into account when working with rope pulley systems. Here’s a detailed explanation:
1. Proper Training: Individuals involved in working with rope pulley systems should receive proper training on their operation, maintenance, and safety procedures. This includes understanding the correct use of equipment, knowledge of potential hazards, and the ability to identify and respond to emergency situations.
2. Load Capacity: It is crucial to ensure that the rope pulley system is not overloaded beyond its specified load capacity. Overloading can cause excessive stress on the pulleys, ropes, and other components, leading to potential failures and accidents. Always adhere to the manufacturer’s recommendations and guidelines regarding load limits.
3. Inspection and Maintenance: Regular inspections and maintenance of rope pulley systems are necessary to identify any signs of wear, damage, or malfunction. Inspecting sheaves, ropes, attachment points, and other components can help detect issues before they escalate into safety hazards. Promptly address any identified problems through proper maintenance and repair procedures.
4. Proper Rope Selection: Selecting the appropriate rope type and size for the specific application is crucial for safety. The rope should have sufficient strength and durability to handle the anticipated load and environmental conditions. Consider factors such as abrasion resistance, breaking strength, and compatibility with the pulley system when choosing the rope.
5. Protective Equipment: Personal protective equipment (PPE) should be used when working with rope pulley systems, especially in high-risk environments. This may include items such as safety helmets, gloves, eye protection, and fall protection equipment, depending on the nature of the task and associated hazards.
6. Secure Anchoring: Ensure that the anchor points used for supporting the rope pulley system are secure and able to withstand the anticipated loads. Unstable or insufficiently anchored pulley systems can lead to accidents and injuries. Consider factors such as the strength of the structure or anchoring point, and use appropriate hardware and rigging techniques.
7. Clear Communication: Clear communication among workers involved in rope pulley operations is essential for safety. Establishing effective communication protocols, including signals and commands, helps prevent misunderstandings and ensures coordinated actions during tasks.
8. Fall Prevention: When working at heights or in elevated positions using rope pulley systems, fall prevention measures must be employed. This may include the use of proper harnesses, lanyards, and fall arrest systems to protect workers from potential falls.
9. Emergency Preparedness: Have appropriate emergency response plans in place in case of accidents or equipment failures. This includes procedures for rescue, first aid, and evacuation. Regularly practice emergency drills to ensure that all personnel are familiar with the protocols.
10. Compliance with Regulations: Follow relevant safety regulations, codes, and standards specific to your industry and jurisdiction. These regulations may include requirements related to equipment inspection, maintenance, training, and safe work practices.
It is crucial to prioritize safety when working with rope pulley systems. By implementing proper training, conducting regular inspections, adhering to load capacity limits, using appropriate PPE, securing anchor points, promoting clear communication, and following safety regulations, the risk of accidents and injuries can be significantly reduced.
What materials are typically used in the construction of rope pulleys?
Rope pulleys are constructed using a variety of materials, each chosen for its specific properties and suitability for the intended application. Here are some materials commonly used in the construction of rope pulleys:
- Metal: Metal pulleys, such as those made of steel or aluminum, are widely used due to their strength, durability, and resistance to wear. Steel pulleys are particularly favored for heavy-duty applications where high load capacities and robust construction are required. Aluminum pulleys offer a lighter alternative while still maintaining good strength.
- Plastic: Plastic pulleys, often made from materials like nylon or high-density polyethylene (HDPE), are popular for their lightweight nature, corrosion resistance, and low friction properties. They are commonly used in applications where weight reduction and resistance to chemicals or harsh environmental conditions are essential.
- Ceramic: Ceramic pulleys are known for their high hardness, excellent wear resistance, and low friction characteristics. They are suitable for applications where extreme operating conditions, such as high temperatures or corrosive environments, are present.
- Composite Materials: Pulleys made from composite materials, such as carbon fiber reinforced polymers (CFRP), offer a combination of strength, low weight, and corrosion resistance. These materials are often used in high-performance applications where both strength and weight reduction are critical factors.
- Brass or Bronze: Brass or bronze pulleys are sometimes used in specific applications that require good corrosion resistance, such as marine or outdoor environments. These materials also offer favorable self-lubricating properties, reducing friction and wear.
- Wood: In certain traditional or specialized applications, wooden pulleys may still be used. Wood can provide sufficient strength and low friction properties for lighter load requirements. However, wood pulleys are less common in modern industrial settings.
The choice of material depends on factors such as load capacity, environmental conditions, desired weight, friction requirements, and cost considerations. Manufacturers select the most appropriate material to ensure optimal performance, longevity, and safety in the specific application of the rope pulley.
editor by CX
2023-10-07