拦河闸用的卷扬式启闭机用于拦河闸的启闭，用于行水放水。卷扬式启闭机是一种自动关闭的机械，是属于一种新型的水利工程专用机械工具流水槽模具 u型槽模具 电缆槽模具 隔离墩钢模具 护坡砖模具 钢制闸门 螺杆式启闭机 卷扬式启闭机。它是用钢索或钢索滑轮组作吊具与闸门相连接，通过齿轮传动系统使卷扬筒绕、放钢索从而带动升降的机械,也叫做钢丝绳固定式卷扬机，构造较简单易于制造,维护检修方便,广泛应用于各种类型闸门的启闭。
The hoisting hoist used for the river gate is used for the opening and closing of the river gate and for the discharge of water. The hoisting hoist is a kind of automatic closing machine, which belongs to a new type of special mechanical tool for hydraulic engineering. It is a lifting device connected with the gate with a steel cable or a steel cable pulley group. The lifting mechanism is driven by winding and releasing the steel cable through a gear transmission system. It is also called a fixed wire rope winch. Its structure is simple, easy to manufacture, easy to maintain and repair, and it is widely used in the opening and closing of various types of gates.