该锁紧钩结构合理、紧凑，便于列尾装置的装拆，从而可防止装拆作业对列尾装置的损坏。

The locking hook has reasonable and compact structure, and facilitates the assembling and disassembling of train tail unit without damage.

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锁紧板包括第一孔、第二孔和释放元件，其中第一孔能够接收从泵头伸出的钩，第二孔能够接收泵头的驱动轴。

The locking plate includes a first aperture capable of receiving a hook extending from a pump head, a second aperture capable of receiving a drive shaft of the pump head, and a release member.

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卸料：放下支腿，保持锁钩锁紧，操作摆臂使料斗倾斜，货物卸出后，操作摆臂使料斗回位。

Unloading:put down outrigger, keep hook locked, operate arm make the hopper is tilted, after goods discharged, operate arm make hopper back.

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