Product Description
Lifting Equipment Xihu (West Lake) Dis. Wheel Device/ Head Sheave/ Sheave Pulley
Introduction:
Mine hoist can be divided into 2 kinds; 1 kind is JKE series single rope mining hoist and the other is Multi-rope friction hoist.
This series mine hoist including 2m-5m single tubular and double tubular types, and can be used for mining hoist, personnel lifting and material and equipment descending from vertical shafts or inclined shafts of coal, metal and nonmetal ores.
JK mine hoist is mainly used in inclined roadways and wells of coal mines, metal mines and non-metal mines to hoist or lower personnel and materials.
Technical parameters:
| Model | Drum | Tension PF |
Tension Differe |
Rope Diameter |
Lift height (m) | Max Speed |
Reduce speed ratio |
Motor Speed |
||||||
| Number | Dia | Width | 1-layer | 2-layer | 3-layer |
|||||||||
| m | KN | mm | m | m/s | r/min | |||||||||
| JK-2×1.5/20 | 1 | 2.0 | 1.5 | 62 | 24 | 305 | 650 | 1571 | 5.2 | 20.0 | 1000 | |||
| JK-2×1.5/31.5 | 31.5 | |||||||||||||
| JK-2×1.8/20 | 1.80 | 375 | 797 | 1246 | 20.0 | |||||||||
| JK-2×1.8/31.5 | 31.5 | |||||||||||||
| JK-2.5×2/20 | 2.5 | 2.00 | 83 | 28 | 448 | 945 | 1475 | 5.0 | 20.0 | 750 | ||||
| JK-2.5×2/31.5 | 31.5 | |||||||||||||
| JK-2.5×2.3/20 | 2.30 | 525 | 1100 | 1712 | 20.0 | |||||||||
| JK-2.5×2.3/31.5 | 31.5 | |||||||||||||
| JK-3×2.2/20 | 3.0 | 2.20 | 135 | 36 | 458 | 966 | 1513 | 6.0 | 20.0 | |||||
| 2JK-2×1/11.2 | 2 | 2.0 | 1.00 | 62 | 40 | 24 | 182 | 406 | 652 | 7.0 | 11.2 | |||
| 2JK-2×1/20 | 20.0 | |||||||||||||
| 2JK-2×1/31.5 | 31.5 | |||||||||||||
| 2JK-2×1.25/11.2 | 1.25 | 242 | 528 | 838 | 11.2 | |||||||||
| 2JK-2×1.25/20 | 20.0 | |||||||||||||
| 2JK-2×1.25/31.5 | 31.5 | |||||||||||||
| 2JK-2.5×1.2/11.2 | 2.5 | 1.20 | 83 | 65 | 28 | 843 | 8.8 | 11.2 | ||||||
| 2JK-2.5×1.2/20 | 20.0 | |||||||||||||
| 2JK-2.5×1.2/31.5 | 31.5 | |||||||||||||
| 2JK-2.5×1.5/11.2 | 2.5 | 1.50 | 83 | 65 | 28 | 319 | 685 | 1080 | 8.8 | 11.2 | ||||
| 2JK-2.5×1.5/20 | 20.0 | |||||||||||||
| 2JK-2.5×1.5/31.5 | 31.5 | |||||||||||||
| 2JK-3×1.5/11.2 | 3.0 | 135 | 90 | 36 | 289 | 624 | 994 | 10.5 | 11.2 | |||||
| 2JK-3×1.5/20 | 20.0 | |||||||||||||
| 2JK-3×1.5/31.5 | 31.5 | |||||||||||||
| 2JK-3×1.8/11.2 | 1.80 | 362 | 770 | 1217 | 11.2 | |||||||||
| 2JK-3×1.8/20 | 20.0 | |||||||||||||
| 2JK-3×1.8/31.5 | 31.5 | |||||||||||||
| 2JK-3.5×1.7/11.2 | 3.5 | 1.70 | 170 | 115 | 40 | 349 | 746 | – | 12.6 | 11.2 | ||||
| 2JK-3.5×1.7/20 | 20.0 | |||||||||||||
| 2JK-3.5×2.1/11.2 | 2.10 | 450 | 950 | – | 11.2 | |||||||||
| 2JK-3.5×2.1/11.2 | 20.0 | |||||||||||||
| 2JK-4×2.1/10 | 4.0 | 245 | 160 | 48 | 421 | 891 | – | 12.6 | 10.0 | 600 | ||||
| 2JK-4×2.1/11.2 | 11.2 | |||||||||||||
| 2JK-4×2.1/20 | 20.0 | |||||||||||||
| 2JK-5×2.3/10 | 5.0 | 2.30 | 280 | 180 | 52 | 533 | – | – | 12 | 10.0 | 500 | |||
| 2JK-5×2.3/11.2 | ||||||||||||||
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| Certification: | CE, ISO 9001:2008 |
|---|---|
| Standard: | ASME, BS, ANSI, GB, ASTM, DIN |
| Surface Treatment: | Sand Blast |
| Manufacturing Process: | Forging |
| Material: | Carbon Steel |
| Name: | Head Sheave |
| Customization: |
Available
| Customized Request |
|---|
Can wheel pulleys be part of fitness equipment like treadmills and stationary bikes?
Yes, wheel pulleys can indeed be part of fitness equipment such as treadmills and stationary bikes. Here’s a detailed explanation:
1. Treadmills:
In treadmills, wheel pulleys are commonly used to drive the movement of the running belt. The motor of the treadmill is connected to a large wheel pulley, which transfers power to the running belt through a belt drive system. As the motor rotates the wheel pulley, the belt moves, allowing users to walk, jog, or run on the treadmill. The size and design of the wheel pulley, along with the tension of the belt, can affect the speed and smoothness of the treadmill’s operation.
2. Stationary Bikes:
Wheel pulleys can also be found in stationary bikes, particularly in the flywheel assembly. The flywheel, connected to the pedals, provides resistance and momentum during cycling exercises. Wheel pulleys are used to transmit power from the pedals to the flywheel, allowing users to pedal against the desired resistance. The size and configuration of the wheel pulley in the flywheel assembly can influence the overall feel, resistance levels, and smoothness of the cycling motion.
3. Power Transmission:
Similar to other applications, wheel pulleys in fitness equipment ensure efficient power transmission. They transfer rotational motion from the motor or pedals to the relevant components, such as the running belt in treadmills or the flywheel in stationary bikes. Proper power transmission is crucial for delivering consistent resistance and smooth operation, enhancing the overall exercise experience.
4. Belt Tension and Alignment:
Wheel pulleys in fitness equipment contribute to the tension and alignment of belts. Treadmills and stationary bikes often utilize belt-driven systems, where wheel pulleys help maintain the appropriate tension on the belts. Proper tension prevents slippage and ensures the belts remain engaged with the pulleys. Wheel pulleys may also incorporate features like crowned surfaces or tracking guides to aid in belt alignment, minimizing noise and optimizing performance.
5. Customization and Performance:
Wheel pulleys can be customized in fitness equipment to achieve specific performance characteristics. For example, in stationary bikes, adjustable resistance systems can be implemented by using different-sized wheel pulleys or incorporating mechanisms that change the effective diameter of the pulleys. This allows users to adjust the intensity of their workouts and simulate different terrains or cycling conditions.
6. Maintenance and Replacement:
Proper maintenance and timely replacement of wheel pulleys are important in fitness equipment. Regular inspection helps identify any wear, misalignment, or damage to the pulleys or belts, ensuring optimal performance and preventing potential failures. When necessary, damaged or worn wheel pulleys should be replaced to maintain the reliability and functionality of the fitness equipment.
In conclusion, wheel pulleys can be an integral part of fitness equipment like treadmills and stationary bikes. They contribute to power transmission, belt tension, alignment, and overall performance, ensuring smooth and effective workouts for users.
What types of materials are commonly used for wheel pulley components?
Wheel pulley components are typically made from a variety of materials, each selected based on specific performance requirements. Here are some commonly used materials for wheel pulley components:
1. Metals:
a. Steel: Steel is a widely used material for wheel pulley components due to its high strength, durability, and resistance to wear. It is capable of handling heavy loads and high-speed applications. Different types of steel, such as carbon steel or stainless steel, may be chosen based on factors like corrosion resistance and environmental conditions.
b. Aluminum: Aluminum is known for its lightweight properties, making it suitable for applications that require reduced weight or where inertia is a concern. It offers good corrosion resistance and is often used in pulleys that require high-speed rotation.
c. Cast Iron: Cast iron is preferred for its excellent wear resistance and ability to withstand heavy loads. It is commonly used in applications where durability and stability are crucial, such as industrial machinery.
2. Plastics:
a. Nylon: Nylon is a popular choice for wheel pulley components due to its high strength, low friction, and resistance to wear. It offers good dimensional stability and is often used in applications where noise reduction and smooth operation are important.
b. Polyurethane: Polyurethane is valued for its excellent abrasion resistance and elasticity. Pulleys made from polyurethane are suitable for applications that involve high wear or require shock absorption, such as conveyor systems.
c. Acetal: Acetal, also known as Delrin, is a thermoplastic with low friction and good dimensional stability. It provides high resistance to chemicals and moisture, making it suitable for pulleys used in demanding environments.
3. Composite Materials:
a. Fiberglass Reinforced Plastic (FRP): FRP pulleys are made by combining a resin matrix with fiberglass reinforcements. These pulleys offer high strength-to-weight ratios, corrosion resistance, and excellent dimensional stability. They are commonly used in industries such as marine, aerospace, and mining.
b. Carbon Fiber Reinforced Polymer (CFRP): CFRP pulleys are lightweight and possess exceptional strength. They exhibit high stiffness, low thermal expansion, and resistance to corrosion and fatigue. CFRP pulleys find applications in areas where weight reduction and high performance are critical, such as in sports equipment or high-end machinery.
It’s important to note that material selection for wheel pulley components depends on factors such as load capacity, speed, operating conditions, environmental factors, and cost considerations. By choosing the appropriate materials, wheel pulleys can deliver optimal performance, longevity, and reliability in various applications.
What advantages do wheel pulleys offer for power transmission?
Wheel pulleys offer several advantages for power transmission in machinery and mechanical systems. Here’s a detailed explanation of the advantages:
1. Speed Ratio Variation:
Wheel pulleys allow for speed ratio variation between the input and output shafts. By using pulleys of different sizes, the rotational speed can be adjusted, providing flexibility in power transmission systems. This advantage is particularly useful in applications where different speeds are required for different tasks or operating conditions.
2. Power Amplification:
Wheel pulleys can be designed with different diameters, allowing for power amplification. By increasing the diameter of the output pulley compared to the input pulley, the output torque can be increased while reducing the rotational speed. This power amplification capability is beneficial in applications that require higher torque at lower speeds.
3. Mechanical Advantage:
Wheel pulleys provide a mechanical advantage by utilizing the principle of leverage. By employing different pulley sizes, a smaller input force can be used to generate a larger output force. This advantage is particularly valuable in applications that involve lifting heavy loads or performing tasks that require significant force.
4. Smooth and Continuous Power Transmission:
Wheel pulleys, when used with compatible belts or ropes, offer smooth and continuous power transmission. The flexible nature of belts and ropes allows for shock absorption and dampening of vibrations, resulting in reduced noise and smoother operation. This advantage is crucial in applications where precise and consistent power transfer is required.
5. Compact and Lightweight Design:
Wheel pulleys have a compact and lightweight design, making them suitable for various machinery and equipment. Their small size and light weight contribute to space-saving and ease of installation. This advantage is particularly beneficial in applications where weight and size considerations are important, such as portable equipment or systems with limited space.
6. Cost-Effectiveness:
Wheel pulleys are cost-effective components for power transmission. They are relatively simple in design and construction, resulting in lower production costs compared to other power transmission mechanisms. Additionally, their durability and low maintenance requirements contribute to long-term cost savings.
7. Versatility and Compatibility:
Wheel pulleys are versatile components that can be used in a wide range of applications and systems. They are compatible with various types of belts, ropes, or cables, allowing for flexibility in power transmission setups. This advantage enables the integration of wheel pulleys into diverse machinery and equipment.
8. Ease of Adjustment and Replacement:
Wheel pulleys offer ease of adjustment and replacement. By changing the size or configuration of the pulleys, the power transmission characteristics can be modified to suit specific requirements. Additionally, worn or damaged pulleys can be readily replaced, minimizing downtime and maintenance efforts.
These advantages make wheel pulleys a popular choice for power transmission in machinery and mechanical systems. Their ability to vary speed ratios, provide mechanical advantage, offer smooth power transfer, and their cost-effectiveness contribute to efficient and reliable operation in a wide range of applications.
editor by CX
2024-05-10