Air tube clutches are widely used in oil drilling rigs where high torque transmission, reliable operation, and frequent reversing are required. They use compressed air as the driving force to engage and disengage the clutch, ensuring smooth and controlled power transmission.
These clutches are suitable for heavy-duty applications such as drilling machinery, marine equipment, large presses, excavators, ball mills, and rubber processing equipment.
Operating Conditions
Recommended operating temperature range: -20 °C to 60 °C
Temperatures above 60 °C may reduce air tube service life, while temperatures below -20 °C may affect flexibility.
Application Requirements in Oil Drilling
Oil drilling equipment operates under demanding conditions, requiring:
High torque transmission capacity
Frequent start and stop cycles
Quick directional reversal
Shock absorption and vibration damping
Reliable operation under continuous load
Air tube clutches are designed to meet these requirements and improve overall system performance.
Key Advantages
- High torque transmission capability
- Smooth engagement and reduced mechanical shock
- Compensation for minor shaft misalignment
- Low inertia for improved system response
- Compact structure and reliable sealing
- Long service life under heavy-duty conditions
Clutch Types
1. Standard Air Tube Clutch
Friction plates are mounted directly on the air tube. Torque is transmitted through the air tube structure.
Features:
- Simple structure
- Easy installation
- Lower cost
Suitable for medium torque applications
Technical Parameters-Standard Air Tube Clutch
|
Model |
Rated Speed (r/min) |
Rated Torque (N·m) |
Pressure (MPa) |
Air Volume (L) |
Friction Dia. (mm) |
|
LT300/100 |
1348–1542 |
2025–2686 |
0.7–0.9 |
1.3 |
296 |
|
LT500/125 |
949–1085 |
6790–9114 |
0.7–0.9 |
5.5 |
497 |
|
LT600/125 |
781–894 |
9875–12908 |
0.7–0.9 |
5.5 |
597 |
|
LT700/200 |
760–869 |
22060–28850 |
0.7–0.9 |
17 |
695 |
|
CBC700/135 |
687–881 |
14900–21775 |
0.7–1.0 |
2–4 |
696 |
|
LT800/135 |
635–768 |
19230–28080 |
0.7–1.0 |
2.4–5 |
796 |
2. Ventilated Air Tube Clutch
Friction plates are mounted on aluminum shoes, improving torque capacity and heat dissation performance.
Features:
- Higher torque transmission
- Better heat dissipation
- Suitable for heavy-duty applications
More stable performance under continuous operation
|
Model |
Rated Speed (r/min) |
Rated Torque (N·m) |
Pressure (MPa) |
|
LT500/200 |
758–912 |
11406–16646 |
0.7–1.0 |
|
LT600/250 |
740–892 |
21466–31140 |
0.7–1.0 |
|
LT700/250 |
- |
32100–47300 |
0.7–1.0 |
|
LT800/250 |
587–707 |
36160–52440 |
0.7–1.0 |
|
LT900/250 |
522–628 |
45467–65953 |
0.7–1.0 |
|
LT1070/200 |
539–668 |
56400–81790 |
0.7–1.0 |
How to Choose the Right Clutch
When selecting a clutch for oil drilling rigs, consider:
- Required torque and speed
- Working pressure
- Operating temperature
- Installation dimensions
- Duty cycle and load conditions
Providing these details ensures accurate model selection.
FAQ
Q: 1. Why are air tube clutches suitable for drilling rigs?
A: They provide high torque, smooth engagement, and reliable performance under heavy-duty and frequent reversing conditions.
Q: 2. What is the difference between standard and ventilated types?
A: Ventilated types offer higher torque capacity and better heat dissipation, making them suitable for more demanding applications.
Q: 3. Can the clutch handle continuous operation?
A: Yes. It is designed for long-term continuous operation under heavy load conditions.
Q: 4. What factors affect clutch service life?
A: Operating temperature, load conditions, air pressure, and maintenance all influence service life.
Q: 5. How do I select the correct model?
A: Selection depends on torque requirements, speed, installation dimensions, and working conditions.
Q: 6. Is customization available?
A: Yes. Models can be customized according to equipment requirements and installation conditions.
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