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Daily inspection of cleanroom crane accessories in lithium battery workshop

2022-03-04 03:39 click:720

Daily inspection of clean room crane accessories in lithium battery workshop

1. Check the reducer mainly to see if it leaks oil
If there is abnormal noise in the box during operation, it is necessary to open the box cover to check. Generally, it is caused by bearing damage, excessive gear meshing backlash, and serious tooth surface wear.
2. Check the performance and condition of the brake
The brake is an important part of the clean crane, which directly affects the accuracy and reliability of the movement of each mechanism. Therefore, it is necessary to carefully check the condition of the brakes of the hoisting and luffing mechanisms, and observe the opening of the brake shoes and the wear of the brake pads of the friction elements. The belt brake should pay attention to check whether the steel backing of the brake belt is cracked, whether the transmission of the brake is flexible, whether the brake frame is in good condition, and whether the elasticity of the main spring and auxiliary spring meets the requirements.
3. Inspection of wire rope
The inspection of the wire rope should focus on observing broken wires, wear, kinks, rust, etc. For some positions with serious wear and broken wires but not exceeding the standard, marks should be made so as to focus on tracking and re-inspection. Pay attention to check whether the safety limiter of the wire rope in the drum is effective, whether the wire rope pressure plate on the drum is pressed tightly and whether the number of pressure plates is appropriate.
4. Inspection of pulleys
The focus is on whether the wear at the bottom of the groove exceeds the standard and whether there are cracks in the cast iron pulley. For the balance wheel of the pulley block of the pitching mechanism, it is easy to be ignored because it does not move under normal circumstances. Therefore, it is necessary to check the flexibility of its rotation before installation. Otherwise, the length and tension of the left and right wire ropes in the installation cannot be automatically adjusted by the balance wheel, which increases the difficulty and operational danger of adjusting the pitching rope at high altitudes.
5. Check whether each coupling is loose or even "rolling key"
Focus on checking whether the elastic rubber ring of the elastic pin coupling is abnormally worn, and pay special attention to the wear of the gear ring of the toothed coupling. Due to poor installation accuracy, when there is a large offset between the two shafts, the entire ring gear will quickly wear out in a short period of time. If such a situation occurs in the hoisting mechanism, serious accidents are likely to occur. 
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