The hoist is used in various large-scale water supply and drainage, water conservancy and hydropower projects. It is used to control the lifting and lowering of various large and medium-sized cast iron gates and steel gates to achieve the purpose of opening and closing. The working principle of the electric hoist is that the hoist drives the hoist nut to rotate, and under the action of the trapezoidal thread, the screw rod drives the weir gate body to run up and down, so as to cut off or dredge the water flow. It has the functions of light weight, flexible operation, anti-corrosion, no rust, convenient installation and maintenance, and reliable sealing. Engineering, used as cut-off, regulating flow and controlling water level. The regulating weir gate is generally installed on the upper part of the pool to adjust the water level in the pool, such as the distribution well of the aeration tank or some water outlets.
The hoist is mainly composed of motor, deceleration device and weir door assembly. The motor drives the screw rod on the upper part of the weir gate through the deceleration device. Through the vertical displacement of the screw rod, the weir gate is pulled by the hinge machine to change the angle with the liquid surface, so as to achieve the purpose of changing the water level and controlling the flow.
It has some features:
1. Flexible action, good sealing performance and high degree of automation.
2. Good adaptability to working environment and long service life.
3. Equipped with stroke limit and power overload protection, safe and reliable work.
4. It is easy to combine structures, easy to install and maintain.
