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矿车连接销的改造（８３９００３）新疆哈密矿务局职工中专郭永清１问题的提出斜井提升用矿车的连接销，特别是采用自动摘钩器的连接销，因其光直、无销耳，在提升到倾角变化处易跳出而发生事故。主要原因如下：（１）当矿车运行相互抵车时，下部物料将连接销撞出。（２）...
Transformation of the car connecting pin (839,003) Xinjiang Hami Mining Bureau Vocational and Technical College Guo Yongqing 1 question raised shaft connecting rod with the lifting of the car, especially with the automatic hook pick the connecting pin, because of its light straight, no pin Ear, in the promotion of changes to the inclination to jump out and accidents. The main reasons are as follows: (1) When the car is running against each other, the lower part of the material will knock out the connecting pin. (2) ...