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Explain the classification of hoist and load test method in detail

Edit:Xinertai Hydraulic MachineryUpDate:2019-10-17

Hoist is used in various large water supply and drainage, water conservancy and hydropower projects. It is used to control the lifting of various large and medium-sized cast iron gates and steel gates to achieve the purpose of opening and closing.
Hoist can be classified according to different characteristics:
1. According to operating power, it can be divided into manpower, electric power and hydraulic power.
2. According to the power transmission method, it can be divided into mechanical transmission and hydraulic transmission. Mechanical transmission is divided into belt transmission, chain transmission, gear transmission and combined transmission. Hydraulic transmission can be divided into hydraulic transmission and hydraulic transmission.
3. According to the device situation of the hoist, it can be divided into fixed and mobile. Our country often names hoist with this classification.
4. According to the connection method of gate and hoist, it can be divided into flexible, rigid and semi-rigid connection.
5. According to the characteristics of the gate, it is divided into flat gate hoist, arc gate hoist and herringbone gate operating machinery. It is generally used to name the operating equipment of the gate with its general characteristics, such as screw hoist, chain hoist, hoist hoist, hydraulic hoist, trolley hoist, door hoist Machine (crane) etc.
Load test method of hoist
1. The operator of the gate hoist must grasp the structure, performance and operation method of the gate hoist, and have certain mechanical knowledge to ensure the normal operation of the machine.
2. Before operation, perform a comprehensive inspection of the hoisting machine to see if the lubrication of each part is outstanding and whether the bolts are loose.
3. When the hoist is working, the operator shall not leave the scene, and stop the machine immediately if there is a problem.
4. When repairing the machine, it is necessary to eradicate the load.
5. When in use, it is necessary to inject lubricating oil from the oil injection hole at any time, and always adhere to the satisfactory lubricating oil. The screw must be punctual to eradicate grease and apply new oil to prevent rust.

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