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How to choose munual winch,electric winch and hydraulic winch ?

201 Published by admin 8月 06,2019

How to choose munual winch,electric winch and hydraulic winch ?

Munual winch

marine capstan

A stop device (ratchet and pawl) is installed on the transmission mechanism of the rotary handle of the manual winch to keep the weight in the required position.Munual winches used for assembling or lifting heavy objects should also be equipped with safety handles and brakes.The manual winch is generally used in places with low lifting weight, poor facilities or no power supply.

Electric winch:

 

marine electric winch

marine anchor winches

Electric winch is widely used in heavy work and the need for greater traction.The motor of the single-drum electric winch (figure) drives the drum through the reducer, and a brake is installed between the motor and the input shaft of the reducer.In order to meet the needs of lifting, towing and rotary operations, there are winches with double and multiple drum units.Generally, winch with rated load below 10T can be designed as electric winch.

Hydraulic winch

hydraulic boat anchor

Hydraulic winch is mainly rated load larger winch, generally 10T to 5000T winch design into hydraulic winch.Its structure is mainly composed of hydraulic motor (low speed or high speed motor), hydraulic normally closed multi-disc brake, planetary gear box, clutch (optional), reel, supporting shaft, rack, rope press (optional) and so on.Hydraulic motor has high mechanical efficiency, large starting torque, and can request according to the working condition of flow distribution with different, still can design according to need directly integrated in the motor oil distribution valve group, such as belt balance valve, the overload valve, shuttle valve, high pressure control reversing valve or other performance of the valve group, brake, planetary gear box installed directly in the drum, drum, support shaft, frame in accordance with the requirements of mechanical design, overall structure and reasonable and have enough intensity and rigidity.Therefore, this series winch has the characteristics of compact structure, small volume, light weight, beautiful appearance, etc., and good safety, high efficiency, large starting torque, low speed stability, low noise, reliable operation and so on.

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