Direction Of Development For Electric Winch

Use of wire rope to hoist winding drum or traction load (timber) of a forest harvesting machinery

. According to different uses can be divided into cable electric winch and two types of loading electric winch. Mainly for forest collection, transport, aerial cableway and other materials in the power machine logging equipment for the yard, mountain Landing article or logs of the original loading, unloading and return flute work. The electric winch was slightly modified, can also be used to promote wood river, the river, unstacking, and selection of lifting and other transport equipment, forestry machinery.

Basic structure electric winch from the engine, transmission, roller, operating agencies and chassis and other components. Operation, the engine's power by the clutch, gearbox and other transmission roller, drive roller rotation, so that the rope reel has a certain velocity and traction to move the load.

There are two engines: the power supply to facilitate the log yard operations often use motors; in cutting operations in the multi-use internal combustion engines.

The number of rolls according to operational requirements of the decision, there is monocular, binocular, three-cylinder and multi-tube types. The electric winch was developed in China more than the double-barrel and three barrel. Cable electric winch drum rope capacity machine large, usually 500 to 1000 meters, wire velocity is greater, in addition to more than 2 reel configuration, the also has friction drum. Loading electric winch drum rope capacity machine small, generally 50 to 200 meters, rope velocity is small, often with two rolls. Single drum electric winch was only a one-way traction, mainly for wood and other auxiliary operations, or a small concentration of one-way lifting, pulling operations. Smooth multi-layer winding drum are large rope capacity to adapt to the needs of the friction surface is generally shaped drum. In order to be able to work independently of each reel, also has a separate clutch and drum brake drum. Brake also played the role of speed control. Some cable electric winch is also equipped with a fan speed control device, use the fan to overcome the air resistance to reduce the energy consumption speed reel to achieve some speed control purposes. Clutch and brake drum by the gear lever or hydraulic control. The electric winch was fixed by sub-chassis type and self-propelled two categories: fixed electric winch to frame sledge for the chassis, operating when the wire rope fixed to the ground near the roots or the wood pile; Self-electric winch tractors, car or other vehicle chassis as the chassis, operating down leg brace to the time necessary to take temporary reinforcement. The electric winch was the main technical performance parameters: roll number, reel maximum traction, drum rope capacity, speed rope sports.

Trends since the 70s of the 20th century, with the hydraulic lifting machinery and equipment widely used in forest areas, simply for the loading of the electric winch machine production has gradually decreased, but more in the mountainous forest areas in some countries, cable electric winch machine output remains high. Positive self-propelled cable electric winch direction: the major developments in Europe with agricultural or forestry tractors in chassis-based, small-scale self-propelled electric winch; in the U.S. and Canada, the development of cranes, excavators and a large traction of vehicles on their own chassis style and equipped with steel electric winch bar. China is developing, the small self-propelled electric winch machine. Meanwhile, the electric winch control gradually to the remote machine direction.

by: ann00123

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