Winch is one of the important optional equipment of the helicopter. The winch on the helicopter is generally an electric winch.
The electric winch can carry out lifesaving and lift the wounded or personnel from the ground to the helicopter cabin in the hovering state of the helicopter. In the hovering state of the helicopter, lift the refueling tube, helicopter hovering refueling, reduce the helicopter refueling time, that is, reduce the preparation time of flight tasks; Hang the cable on the hook of the winch, rope down the personnel, so that the personnel quickly descend to the ground to perform the task; Lifting and transporting light cargo; Aerial lifting personnel to carry out aerial work. With the continuous progress and development of helicopter technology, electric winch technology is also constantly improving, and playing an irreplaceable role in more and more fields.
Main features of winch in helicopter
1) When the helicopter is hovering, rescue personnel, lift the wounded or personnel from the ground to the helicopter cabin;
2) In the hovering state of the helicopter, lift the refueling tube to carry out the hovering refueling, reducing the refueling time of the helicopter, that is, reducing the preparation time of the flight mission;
3) Hang the cable on the hook of the winch, and rope down the personnel, so that the personnel quickly descend to the ground to perform the task;
4) Lifting and transporting light cargo;
5) Aerial lifting personnel shall carry out aerial operations.
What are the advantages of aluminum alloy drum
1. Light weight, high strength. Aluminum alloy materials are hollow core thin wall combined section, easy to use, reduce weight, and the section has higher bending strength, small deformation.
2. Good airtight performance.
3. Corrosion resistance, easy to use and maintenance.
4. High strength, good stiffness, durable.
5. High use value.
6. Corrosion resistance, easy to use and maintenance.
Application case of winch in helicopter
| NO. | WINCH MODEL | POWER TYPE | Rated load | Helicopter model | Application |
| 1 | 76368-500 | HYDRAULIC | 600lb(272Kg) | SA321Super puma | |
| 2 | 76378-260-D | ELECTRIC28V DC | SA365Z9 | Armed police land aviationocean | GOODRICH |
| 3 | 76370-140-D | 300lb(136Kg) | Z9 | navy | GOODRICH |
| 4 | HS20200 | 600lb(272Kg) | Z9 | public security | BREEZE |
| 5 | HS19700 | 450lb(204Kg) | Z11 | BREEZE | |
| 6 | 44301-1-7 | 600lb(272Kg) | Z9 | navy | GOODRICH |
| 7 | 44301-1-8 | 500lb(227Kg) | Z9 | navy | GOODRICH |
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