论文部分内容阅读
在正常提升过程中,钢丝绳松驰会给提升工作带来很大的危害:轻则引起钢丝绳松驰打结成圈,影响提升工作的正常进行,重则会因钢丝绳承受不住过大的冲击载荷而被拉断,造成重大事故。如徐州矿务局董庄矿新大井由于罐笼防坠器的误动作,而使下降
In the normal lifting process, the loose rope will give rise to lifting work will bring great harm: ranging from causing loose rope tied into a loop, affecting the normal work to enhance the work, but also because of the heavy rope can not withstand the impact The load was pulled off, causing a major accident. Such as Xuzhou Mining Bureau Dongzhuang mine new wells due to cage anti-dropping device of the malfunction, and make decline