What are the requirements for the metal structure of a single beam crane

What are the requirements of the single beam hanging metal industrial structure

1, mainly through the stress component can not be unstable, if the instability problem requires us to scrap immediately, shall not affect the self-repair.

2, the production of more serious plastic deformation of the working component is also the enterprise can not meet the use, can be repaired first, can not be timely repair needs to scrap.

3. The corrosion or corrosion of the metal stress component can not exceed 10% of its original thickness. If the student exceeds himself, he needs to be scrapped immediately.

4, the load-bearing components can not be cracked at the same time, you can choose to take measures to repair and prevent crack expansion, if they can not take scientific and effective management measures to study the need to scrap.

5, the connection metal product structure has been unable to control the existence of welding technology defects, to ensure that there is enough stiffness and strength to play a connection role.

The column single beam crane is a relatively light and small crane, but the equipment needs to be thoroughly inspected at the factory to ensure that it meets the requirements of use.

The single-beam crane operating mechanism is used to vertically move heavy objects or adjust the working position of the crane, and is generally composed of an electric motor, a reducer, a brake and a wheel.

The amplitude changing mechanism is only equipped on the boom crane, the amplitude of the boom is reduced when it is lifted up, and the amplitude is increased when it is bent down, which is divided into two kinds: balanced amplitude changing and non-balanced amplitude changing.

European cranes formed in the industry in recent years, the purpose is to distinguish from the past so-called domestic, Soviet (Soviet Union) type, traditional cranes.

Mainly includes: bridge crane, gantry crane, cantilever crane, flexible beam crane, explosion-proof crane and other industrial cranes.

For the boom type crane, its rated lifting weight changes with the amplitude, and its lifting characteristics are characterized by lifting torque. The value indicated on the sign is the larger lifting weight.

The operator also needs to do a good job of inspection before using the column type single beam crane.

Although the height limiting device of the attachment of the single beam crane combines the travel switch with the convex and concave support structure, the structure is simple and the action is sensitive, which effectively inhibits the occurrence of serious personal injury accidents and ensures the safe production of the construction site.

After several years of use, the effect is remarkable. However, the equipment can only be operated on the basis that each part of the column type single beam crane meets the requirements of use.

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