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Applications
Traction equipment of gravity crushing
Crawler crane
Automobile crane
Pipe hoist machine
Grab bucket Drilling
Machine with crushing function
| Advantages of Winch with Free Lowering Function
Free Fall Mechanism
The winch can lower the load rapidly without resistance, which is achieved by disengaging the brake or clutch mechanism. This enables the load to descend under its own weight when the operator desires.
Safety Mechanisms
Controlled Lowering: Some advanced free lowering winches incorporate safety systems to prevent uncontrolled descent, allowing for a controlled lowering speed.
Emergency Stops: Many winches with this function also feature emergency stop capabilities, allowing operators to halt the lowering process quickly if needed.
Versatility
Ideal for scenarios where quick lowering of materials is required, such as in demolition, rigging, or recovery operations.
Can be used in both vertical and horizontal applications, depending on the winch design and setup.
Ease of Use
Simplifies operations where precise control of the load lowering speed is less critical but quick responses are necessary.
Operators find it user-friendly, as it reduces the manual effort required to lower heavy loads.
Reduced Wear on Components
By allowing free lowering, the load can descend without engaging hydraulic power or motor assistance, which can reduce wear on the motor and associated components over time.
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When Using a Winch with Free Lowering Function?
1. Understanding the Mechanism
Free Lowering Mode: Familiarize yourself with how to engage and disengage the free lowering function. This typically involves a lever or switch that controls the winch’s brake or clutch system.
Controlled Lowering Options: Know if your winch has an option for controlled lowering to manage the descent speed.
2. Pre-Operation Checks
Inspect the Winch: Check the winch, cables, and hooks for wear, damage, or any signs of malfunction before use.
Load Rating: Ensure that the load being lifted or lowered does not exceed the winch’s capacity. Use load charts as necessary.
3. Proper Setup
Secure Anchor Points: Ensure that the winch is securely anchored and that the load is properly rigged and balanced to avoid swinging or sudden movements.
Clear Work Area: Keep the surrounding area clear of personnel and obstacles before operating the winch.
4. Operating the Free Lowering Function
Positioning: Stand clear of the load and maintain a safe distance while operating the winch.
Engage Free Lowering: Use the free lowering function as needed, allowing the load to descend at its own weight. If necessary, apply gentle pressure to control the speed of descent.
Emergency Control: Be prepared to disengage or stop the free lowering function in case of a sudden issue. Know how to use the emergency stop features.
5. Load Control
Watch for Mechanical Limits: Observe the descent closely to ensure the load doesn’t drop too quickly or become unstable.
Smooth Movements: Aim for smooth and controlled operation, especially when the load is nearing the ground or your intended position.
| Winch with Free Lowering Function
Model | GWL5 |
Load capacity | 5-10 ton |
Rope capacity | 20~200 m |
Working speed | 0~50 m/min |
| Hydraulic motor | NAM |
Warranty | 12 months free |
| Technical Parameters
Model | The 1st layer | Brake/clutch opening pressure | Total displacement （ml/r） | Working pressure diff.(MPa) | Rope diameter (mm) | Wire rope Capacity(m) | Hydraulic motor | Model of planetary reducer | |
Pull (kN) | Rope speed（m/min） | ||||||||
GWL5-80-120-24-ZP | 50 | 0-40 | 2.5-3.0/5.0-7.0 | 9977 | 14.8 | 24 | 120 | NAM16-1800D240101 | C5D |
GWL5-100-100-28-ZP | 100 | 0-40 | 2.5-3.0/5.0-7.0 | 12468 | 14.2 | 28 | 100 | NAM16-2400D240101 | C5D |
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Winch with Free Lowering Function Samples
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2.Payment terms ,Delivery and Service
√ Payment: 30%deposit,70% before shipment.All the payment can negotiate, generally by T/T.
√ Delivery: 35-40 days after receipt of your payment.
√ Service: 24 hours online service, technical overseas service
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3.Packing and shipping
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FAQ
Q: What’s the information shall we offer to get precise quotation & best design?
A: Capacity
B: Speed
C: Rope capacity
D: horizontal pull, vertical pull or slope pull
E: Application site Or other specials you give us will be more appreciated.
Q: Whether you can offer the matched spare parts of winch machine price?
Yep, as winch manufacturer, we offer all the related spare parts, such as motor, hoists, drums, and so on.
Q: Could your winches drag inclined?
Yep, our electric winches could drag horizontal, drag inclined, hoisting vertical.
Q: My request is quite special, can the winch machine price ok for mine?
YES. We are manufacturer, and we have our own engineer group. They can work out customized design according to your requirement. The most important ting is that you should provide all the needed information.
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