Yang Jintao, the director of National Safety Production Changsha Mining Machinery and Electricity Testing and Inspection Center, and Zhao Yunxiao, the expert, visited China Coal Group,
On May 9-10, three experts from the Safety Standard National Mine Product Safety Marking Center Inspection Institute, including Wang Guo Key (Safety Standard Center), Li Bing (Fushun Institute) and Lu
1. Main contents of daily inspection of diesel engine crane ①Whether the control system is flexible and reliable;
Check the burnout of the contact contacts of the scraper winch master controller, electromagnet contactor, various relay signal devices, etc. If there is burnout, repair or replace the contacts in tim
(1) Always check whether the bolts, rivets, pins and other connecting parts of the scraper winch are loose or fall off, especially for the bearing seat bolts and anchor bolts. If they are loose, they
On the morning of July 15, Yang Jintao, technical review director of Changsha Institute of National Safety Production Changsha Mine Electromechanical Testing and Inspection Center, led a team of exper
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