Product Description
2jk Series Mining Hoist Winch Parts for Coal Mine
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 |
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| 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 | ||||||||||||||
Possible defects:
| Defect | Causes |
| Unfilled sections | Insufficient material Low pouring temperature |
| Porosity | Melt temperature is too high Non-uniform cooling rate Sand has low permeability |
| Hot tearing | Non-uniform cooling rate |
| Surface projections | Erosion of sand mold interior A crack in the sand mold Mold halves shift |
FAQ
Q: How about the quality of your products?
A: Our machines are manufactured strictly according to national and international standards, and we take a test on each equipment before delivery.
Q: How about the price?
A: We are manufactory, and we can give you lower price than those trade companies. Besides, customers from Made in China can get a discount.
Q: Do you provide after-sale service?
A: Yes. The warranty period of our machines is 1 year, and we have a professional after-sale team to promptly and thoroughly solve your problems.
Q: Do you provide equipment operation training?
A: Yes. We can send professional engineers to the working site for equipment installation, adjustment, and operation training. All of our engineers have passports.
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| Certification: | CE, ISO 9001:2008 |
|---|---|
| Standard: | ASME, BS, ANSI, GB, ASTM, DIN |
| Surface Treatment: | Sand Blast |
| Manufacturing Process: | Casting |
| Material: | Alloy Steel |
| Name: | Shaft Lifting |
| Customization: |
Available
| Customized Request |
|---|
How are sheave pulleys adapted for specialized applications in construction and engineering?
Sheave pulleys are versatile components that can be adapted for specialized applications in construction and engineering. Here is a detailed explanation of how sheave pulleys are adapted for specialized applications:
1. Customized Designs: Sheave pulleys can be custom-designed to meet specific requirements in construction and engineering projects. This includes considerations such as load capacity, environmental conditions, space limitations, and integration with other equipment or systems.
2. Material Selection: Depending on the application, sheave pulleys can be constructed from various materials such as steel, cast iron, aluminum, or specialized alloys. The choice of material depends on factors such as strength, durability, corrosion resistance, and weight restrictions.
3. Special Coatings and Treatments: In certain applications where environmental factors or specific performance requirements are present, sheave pulleys can be coated or treated with specialized materials. This may include corrosion-resistant coatings, high-temperature coatings, or anti-friction treatments to enhance performance and longevity.
4. Size and Configuration: Sheave pulleys can be manufactured in a wide range of sizes and configurations to accommodate different load capacities and operational requirements. This allows for flexibility in adapting sheave pulleys to specific construction and engineering applications.
5. Specialized Attachments: Depending on the application, sheave pulleys can be equipped with specialized attachments or features. For example, in crane and hoist applications, pulleys may have integrated load sensing mechanisms, anti-slip surfaces, or quick-release mechanisms for efficient load handling.
6. Integration with Control Systems: Sheave pulleys can be integrated into complex control systems and automation technologies used in construction and engineering. This allows for precise load control, safety features, and remote monitoring capabilities.
7. Specialized Bearing Systems: In demanding applications, sheave pulleys may incorporate specialized bearing systems to ensure smooth rotation, reduce friction, and handle heavy loads. This can include sealed or lubricated bearings, precision bearings, or self-aligning bearings.
8. Advanced Safety Features: Specialized sheave pulleys may include additional safety features such as overload protection, emergency stop mechanisms, or fail-safe systems. These features enhance the safety of construction and engineering operations, particularly in critical or high-risk environments.
9. Compliance with Standards: Sheave pulleys adapted for specialized applications in construction and engineering often comply with industry standards and regulations. This ensures that they meet the necessary safety and performance requirements for their intended use.
By adapting sheave pulleys for specialized applications, construction and engineering projects can benefit from enhanced efficiency, improved safety, and optimized performance. It is important to consult with experts and manufacturers experienced in specialized applications to ensure the proper selection and adaptation of sheave pulleys for specific project requirements.
Can sheave pulleys be customized for specific machinery and equipment?
Yes, sheave pulleys can be customized to meet the specific requirements of different machinery and equipment. Here is a detailed explanation of the customization possibilities for sheave pulleys:
1. Size and Diameter: Sheave pulleys can be customized in terms of their size and diameter to match the space constraints and load-bearing capacity of the machinery or equipment. The diameter of the pulley can be adjusted to achieve the desired mechanical advantage or speed and torque ratio. Custom sizing ensures optimal performance and compatibility with the specific application.
2. Groove Configuration: The groove configuration of sheave pulleys can be customized to accommodate different types and sizes of cables, ropes, belts, or chains. The number, width, and depth of the grooves can be tailored to ensure proper engagement and effective power transmission. This customization allows for efficient load-bearing and cable routing specific to the machinery or equipment.
3. Material Selection: Sheave pulleys can be customized by selecting the appropriate material based on the specific application requirements. Different materials, such as steel, cast iron, aluminum, or various polymers, offer varying strengths, durability, and resistance to environmental factors. The material can be chosen to withstand the operating conditions, including temperature, moisture, corrosion, or chemical exposure, ensuring optimal performance and longevity.
4. Bearing Arrangement: The bearing arrangement of sheave pulleys can be customized to suit the specific machinery or equipment. Different bearing types, such as ball bearings or roller bearings, can be selected based on the load capacity and rotational speed requirements. The design can also incorporate provisions for easy maintenance and replacement of bearings, enhancing the overall functionality of the machinery or equipment.
5. Attachment Options: Sheave pulleys can be customized with various attachment options to facilitate their installation and integration into specific machinery or equipment. These options may include keyways, set screws, bushings, or flanges. Customized attachments ensure secure and precise mounting, enabling the sheave pulley to function effectively within the system.
6. Coatings and Finishes: Sheave pulleys can be customized with specific coatings or finishes to enhance their performance and durability. For example, pulleys can be coated with materials like zinc or chrome to improve corrosion resistance. Additionally, specialized coatings such as non-stick coatings or high-friction coatings can be applied to optimize the interaction between the pulley and the cables, ropes, belts, or chains.
7. Special Features: Depending on the requirements of the machinery or equipment, sheave pulleys can be customized with special features. These features may include noise-reducing properties, vibration dampening, static dissipation, or specific load-limiting mechanisms. Customization allows for the integration of these features, enhancing the overall performance and safety of the machinery or equipment.
Overall, sheave pulleys can be customized to meet the specific needs of different machinery and equipment. Customization options include size and diameter adjustments, groove configuration, material selection, bearing arrangement, attachment options, coatings and finishes, as well as the incorporation of special features. This customization ensures that the sheave pulleys are tailored to the unique requirements of the machinery or equipment, optimizing their performance, efficiency, and reliability.
What is a sheave pulley, and how does it differ from other types of pulleys?
A sheave pulley, also known as a belt pulley or a rope pulley, is a specific type of pulley used in various mechanical systems. Here is a detailed explanation of what a sheave pulley is and how it differs from other types of pulleys:
A sheave pulley is a grooved wheel or disk with a central axle or hub. It is designed to guide and support a belt, rope, or cable, which passes through the groove or groove(s) on the outer circumference of the pulley. The primary function of a sheave pulley is to transmit force and motion between rotating shafts or to change the direction or speed of rotational motion.
One of the key differences between a sheave pulley and other types of pulleys is the presence of a groove or grooves on the outer circumference. The groove(s) accommodates the belt, rope, or cable, allowing it to wrap around the sheave pulley securely. This design feature ensures proper alignment and grip between the pulley and the belt or rope, preventing slippage and enabling efficient power transmission.
Another distinguishing characteristic of sheave pulleys is their specific application in belt or rope-driven systems. Sheave pulleys are commonly used in various industries and applications, such as conveyor systems, cranes, elevators, and other machinery that rely on belts, ropes, or cables for power transmission or lifting operations.
Here are a few key differences between sheave pulleys and other types of pulleys:
- Grooved Design: Sheave pulleys have a grooved outer circumference to accommodate belts, ropes, or cables, while other pulleys may have a smooth surface or different types of groove patterns depending on their specific applications.
- Belt or Rope Transmission: Sheave pulleys are primarily used in belt or rope-driven systems, where the belt or rope is wrapped around the pulley to transmit power or facilitate lifting. Other pulleys may be used in different transmission systems, such as chain drives or direct mechanical linkages.
- Load Distribution: Sheave pulleys are designed to distribute the load evenly across the belt or rope, helping to prevent excessive stress and wear. Other pulleys may have different load distribution mechanisms based on their specific applications and requirements.
- Size and Configuration: Sheave pulleys come in various sizes and configurations, allowing for customization based on the specific system requirements. Other pulleys may have different size ranges and configurations depending on their intended use.
- Application Specificity: Sheave pulleys are commonly used in industries and applications that require belt or rope-driven systems, such as conveyor systems and lifting equipment. Other types of pulleys may be designed for different applications, such as guiding wires, cables, or chains in specific machinery or equipment.
In summary, a sheave pulley is a grooved wheel or disk used to guide and support belts, ropes, or cables in belt or rope-driven systems. It differs from other types of pulleys in terms of its grooved design, application in belt or rope transmission systems, load distribution mechanism, size and configuration options, and application specificity. Understanding these differences helps in selecting the appropriate pulley for specific mechanical systems and ensuring efficient power transmission or lifting operations.
editor by CX
2024-04-26