卧式方形高压蒸汽消毒柜使用易产生“假钩”（内消车车轴钩挂在定车钩A边上面）和“过钩”（内消毒车车轴滑到定车钩E边下面），这就使工作中有时会出现移动外搬运车而其上的内消毒车出轨现象。笔者用两只弹簧能改变定车钩工作性能。其方法为：在定车钩E边缘，距轴心F左右两边7 The use of horizontal square high-pressure steam sterilizers tends to produce “false hooks” (the inner car axle is hooked on top of the A side of the fixed coupler) and “over hooks” (the inner sterilizer car axle is slid below the E side of the set hook), which makes Occasionally, there is a phenomenon in which the external cultivator is moved and the sterilizer is derailed. I use two springs to change the performance of the fixed coupler. The method is: at the edge of the fixed coupler E, from the left and right sides of the axis F