Lifting equipment such as electric chain hoists expressly stipulate in the operating instructions that diagonal pulling and crooked lifting are prohibited, but in the actual use process, there are certain cases of diagonal pulling and crooked lifting. In fact, it is found from the test investigation that the resistance to diagonal pull of electric chain hoist is better than that of electric wire rope hoist.
According to the relevant technical specifications, the electric chain hoist should be in a vertical or horizontal state during use to avoid the oblique pulling of heavy objects. However, it is inevitable to summarize the oblique pulling of the electric hoist in practical applications. The wire rope electric hoist and the running trolley The connection between them is rigid, and it is easy to cause damage to the rope guide when the diagonal tension is too large. If the device is not shut down in time, it may also cause the motor to break and cause the entire wire rope electric hoist to be damaged. For this reason, Generally, manufacturers will expressly stipulate in the product manual that the bevel angle of the wire rope electric hoist to the rope groove must be within the range of 3.5 degrees. Relatively speaking, the electric chain hoist fetching device is a chain, and its ability to withstand diagonal pull is better than that of a wire rope electric hoist.
We should try our best to avoid the oblique pulling and crooked hanging of electric chain hoist and wire rope electric hoist. If the probability of oblique pulling and crooked hanging is higher in the place of use, then it is recommended that you choose electric chain hoist, because you use chain The electric hoist is more durable.
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