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1、升降貨梯http://www.jxpj.com.cn/超負荷作業危及貨物安全超負荷時升降機處于不穩定狀態，難以控制，危及人身安全不論發生機損或貨損事故，都有可能同時發生人身傷亡事故。
Cargo lift when the lift is in operation endanger the safety of the goods overload overload unstable and difficult to control, endangering personal safety regardless of the occurrence of loss or damage to cargo aircraft accident,personal injury are likely to occur simultaneously.

2、引起升降貨梯http://www.jxpj.com.cn/超負荷的結構有輪胎負荷過大，變形增大，容易從胎側較薄處發生爆破和輪輞變形，會引起車架變形、鉚釘松動甚至斷裂，從而改變總成的相對位置，使升降貨梯的正常結構遭到破壞。嚴重影響升降貨梯性能，特別是轉向和制動性能，由于升降貨梯是后輪轉向，超栽時轉向輕飄，車輪擺動，不易控制，且制動性能顯著下降，不利于安全。超載過多，容易引起升降貨梯各機件損壞，會造成升降機顛覆，貨物摔壞，造成人身傷亡、升降貨梯損壞和貨物破損等一系列事故。
Structure causing cargo lifter has overload tire load is too large, deformation increases, blasting and rims deformation will cause frame deformation prone from sidewall thinner at loose rivets and even rupture, thus changing the relative position of the assembly, so that cargo lifter normal structure was damaged. Seriously affect cargo lifter performance, especially steering and braking performance, since cargo lifter is rear-wheel steering, steering buoyant ultra planted, wheel swing, difficult to control and significantly decrease the braking performance, it is not conducive to safety. Overload too much, prone to mechanical damage each cargo lifter, can cause lift subversion, cargo broke,resulting in personal injury, damage and cargo damage cargo lifter and a series of accidents.