手摇启闭机又称为手动螺杆启闭机,它是一种采用于人力操作的平面闸门启闭机设备。它具有自锁功能，闸门可停留在任何位置。并且配有防盗嘴及专用扳手，具有防盗水功能·螺杆启闭机具有转向变速快，手摇启动。摇动轻巧，启闭灵活等优点。它的结构由机壳、机盖、支架、螺母、螺杆、大、小伞齿轮、压力轴承、手摇柄等组成。
Manual hoist is also known as manual screw hoist. It is a kind of plane gate hoist used for manual operation. It has self-locking function, and the gate can stay at any position. And equipped with anti-theft mouth and special wrench, with anti-theft water function. Screw hoist has fast steering speed, manual start. It has the advantages of light shaking, flexible opening and closing. The structure of the utility model is composed of a casing, a machine cover, a bracket, a nut, a screw rod, a large and small bevel gears, a pressure bearing, a hand handle, etc.