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2009年5月深圳某工业区电梯发生冲顶,电梯从四楼到一楼的过程中,在一声巨大的响声后,轿厢冲顶,未造成人员伤亡。事故后调查得知:事故电梯为曳引式货梯,额定载重3000kg,额定速度0.5m/s,电动机额定转速950r/min,4层4站,轿厢自重1900kg,对重重量3400kg,轿厢载重600kg。事故电梯2008年1月验收合格,平时很少使用。勘验事故现场发现,事故电梯曳引机的曳引轮完好,蜗轮齿未见有明显的磨损迹象,蜗轮轴承未见异常,发生破坏的主要是蜗轮及固定蜗轮和曳引轮的连
In May 2009, an elevator in an industrial area in Shenzhen took the roof. When the elevator ran from the fourth floor to the first floor, the car reached the top after a loud noise and caused no casualties. Survey after the accident that: the accident elevator traction type freight elevator, rated load 3000kg, rated speed 0.5m / s, motor rated speed 950r / min, 4 floors 4 stations, car weight 1900kg, heavy weight 3400kg, car load 600kg. Accident elevator acceptance in January 2008, usually rarely used. The scene of the accident was found, the traction sheave of the accident elevator traction machine intact, no obvious signs of wear and tear worm gear teeth, no abnormal worm gear bearings, the main damage occurred worm gear and fixed worm gear and traction sheave