electric hoist - Henan Jinrui Machinery Co., Ltd.

crane machine > electric hoist

03 19, 2020

How to use electric hoist safely?

How to use electric hoist safely?

Electric hoists are often used on monorail cranes, jib cranes and manual single-beam cranes. It is simple structure, convenient operation and maintenance, good interchangeability, is widely used in factories. In addition to the training and certification of electric hoist operators, the following requirements must be observed:1. Before starting, carefully check whether the equipment's machinery, electrical, wire rope, tongs, limiters, etc, are intact and reliable;2. Do not lift with overload. When lifting, prevent touch the wire rope;3. When bundling, it should be firm, and should set pads ...

12 04, 2019

Electric hoist monthly check

Electric hoist monthly check

Electric hoist inspection items include:a.Check whether there are abnormalities in safety devices, brakes, clutches, etc., reliability and accuracy;b. The status of important components (such as spreaders, wire rope pulley units, brakes, slings and auxiliary equipment, etc.), whether there is damage, whether they should be scrapped, etc .;c. Leakage and working performance of electrical and hydraulic systems and their components;d. Power system and controller check. If the electric hoist is not used for more than one month, the above inspection should be done before use.

09 24, 2019

Necessary inspection of electric hoist wire rope

Necessary inspection of electric hoist wire rope

In the process of using the electric hoist, the role of the wire rope is mainly to lift the cargo. The wire rope is generally made of GB1102-74 (6*37+1) X-type lifting wire rope, the quality of wire rope and the maintenance are importance to the safety of the electric hoist. The safety of the wire rope can ensure the safe operation of the electric hoist and the personal safety of the operators.Check the wire rope to check from two aspects:First, the overall inspection.Observe whether the wire ropes are arranged neatly. Before lifting the heavy objects, the wire ropes are kept in a vertical sta ...

09 19, 2019

Wire rope electric hoist maintenance tips

Wire rope electric hoist maintenance tips

1. It is not allowed to simultaneously press two flashlight buttons that move the electric hoist in the opposite direction;2. Wire rope electric hoist must maintain sufficient lubricating oil in use and keep the lubricating oil clean and should not contain impurities and dirt;3. Should use the hard wire brush toclean the wire rope. It is strictly forbidden to directly apply oil to the working wire rope;4. When the wire rope electric hoist is not working, it is not allowed to hang heavy objects in the air to prevent permanent deformation of the parts;5. If find the fault during using, the main ...

08 24, 2019

Electric hoist hook can not be repaired by weld

Electric hoist hook can not be repaired by weld

The electric hoist hook is made by forging and heat treatment. The forging process is a method in the metal hot working process, is the process of metal structure refinement and metal fiber arranging, and the heat treatment is to eliminate internal stress and further improve the mechanical properties of the metal, which can make the internal structure of the metal more compact.And, welding is the process of partial melting, fusion and solidification of metal.During repair welding, the electric hoist hook near the weld repaired joint is heated and cooled by different degrees due to heat conduct ...

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