金华通风管道匠心厂

The manual and electric hoist adopts screw screw screw drive to realize the opening and closing of gate and weir gate. The transmission screw adopts trapezoidal thread and is equipped with plane bearing, which has the characteristics of simple installation and maintenance, light and flexible operation, etc. The electric hoist adopts two-stage deceleration of spur gear, worm and worm wheel to meet the working conditions of slow speed and large torque. The opening indication adopts gear drive, which is precise and reliable, and has the opening