Be featured with air clutch transmission, turnplate rotation, with the character of low gravity center, stable transmission and reliable sealing performance. The winch is fitted with belt brake, and also equipped with water brake, supplying large brake torque and excellent braking performance. Pneumatic control system operates easily, conveniently and reliably. Double electric motors or diesel engine power unit can be chosen.

It is used for drilling and exploring middle layer petroleum, deep ground water source, natural gas, saline well and coal gas freezing drilling etc.