Repair method of single beam crane parts

[BONOVO]

All kinds of slewing cranes are constructed from many parts. The horizontal distance, in m, between the rotating center line of the gantry crane and the plumb line of the fetching device. The amplitude of the non-rotating type boom crane refers to the horizontal distance between the center line of the spinner and the rear shaft of the boom or other typical axes. 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. The double beam crane mainly includes lifting mechanism, operating mechanism, amplitude changing mechanism, rotating mechanism and metal structure. Lifting mechanism is the basic working mechanism of the crane, mostly composed of hanging system and winch, but also through the hydraulic system lifting heavy objects. And these work parts in the use of the management process of the enterprise due to a variety of social factors analysis led to its damage, if we throw these parts away in this way, everyone will feel very wasteful. I would like to share with you three ways to repair parts.

Repair dimension method: The shaft and hole of the radial boom crane component form an oval and irregular shape due to uneven wear during use. At the time of repair, within the scope allowed by the structure of the part, the worn shaft or hole is machined to restore the correct geometry or match through dimensional changes, this method is called repair dimensions.

Insertion method: Insertion is to insert a new metal sleeve in a static method at the wear part of the part to restore the original size of the part, this method is called insertion method.

Three. Local replacement, turning, turning repair method: when a part is damaged, and the rest of the part does not need to be repaired, the part that needs to be repaired is cut out, the part is re-made, and then connected to the main part by welding. The repair method of restoring the original performance of the part after the final processing is called local replacement. Due to the characteristics of some parts, the lower side of the part is often worn, and the symmetrical side is less worn. If the structure of the part allows, you can use the undamaged surface of the part without completely repairing the part, this method is called turning and turning repair method.

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