The corresponding position of the other supporting hook is provided with locking clamping pieces.
另一托钩上相应位置设有锁定卡件;
2
The lockinghook has reasonable and compact structure, and facilitates the assembling and disassembling of train tail unit without damage.
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。
3
The utility model relates to a towing device of heavy vehicle, in particular to a reinforced towing hook device of heavy vehicle. The device is composed of a towing hook and a locking ring.