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2009年12月松原市某银行大楼1台15/15层站、额载为1000kg、梯速为1.75m/s、曳引比为1:1的乘客电梯因曳引机运行过程中有异常声响并伴有轻微抖动被迫停止使用。接到求助信息后,约请电梯维保单位人员一起赶往现场。经详细检查,排除了减速机、轴承、制动器、电动机等存在故障的可能性。发现曳引轮的1个轮槽磨损严重,槽内切口消失,槽底光亮,钢丝绳已全部落入槽底。于是怀疑异常声响由此产生,单独拆除该钢丝绳后空载运行异常声响消失。更换曳引轮和钢丝绳后,曳引机运转正常。
December 2009 Matsubara City, a bank building a 15/15-story station, with a load of 1000kg, the speed of 1.75m / s, traction ratio of 1: 1 passenger elevator due to abnormal noise during operation Accompanied by a slight jitter forced to stop using. After receiving the help information, about the elevator maintenance unit personnel rushed to the scene. After careful examination, ruled out the reducer, bearings, brakes, motors and other possible failure. Found a wheel pulley wear a serious wear, slot incision disappeared, the bottom of the tank bright, wire rope has all fallen into the bottom of the tank. As a result, it was suspected that the abnormal noise was generated. After the wire rope was dismantled alone, the abnormal sound of no-load operation disappeared. After replacing the traction sheave and wire rope, the traction machine is operating normally.