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曳引驱动电梯的空载曳引力试验是电梯监督检验和定期检验中都必须进行的试验项目,井道顶部空间不足、对重缓冲距离过大和曳引条件不符合都可能引发冲顶现象,本文介绍了在该试验中发生冲顶现象后的应对办法,以及如何判定冲顶的原因。
The no-load traction test of the traction drive elevator is a test item that must be carried out both in the supervision and inspection of the elevator as well as in the regular inspection. The lack of space at the top of the hoistway, over-riding of the heavy buffer and the non-compliance of the traction conditions may lead to the hoisting phenomenon. The coping method after the top-hatching phenomenon in this test and how to determine the cause of the hoisting top.