手电两用启闭机采用螺杆螺旋传动实现对闸门、堰门的启闭。传动螺杆均采用梯形螺纹并设有平面轴承，具有安装维护简单，操作轻巧灵活等特点。电动启闭机采用正齿轮—蜗杆—蜗轮二级减速，满足转速慢，转矩大的工作状态。 开度指示采用齿轮传动，精确可靠，并具有开闭信号灯光指示。

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

and closing signal light indication