Self Dumping Truck (Dump Truck) Rear Door Chain Type Automatic Locking Hook

This is a chain type automatic locking hook for the rear door of a dump truck
(dump truck), which is a key accessory for the trunk door of an engineering
vehicle. The core information is as follows:
Structural Composition
- Lock hook body: made of cast steel material (ZG270-500), with a hook shaped
structure, used to clamp the rear door of the cargo box.
- Chain component: Thick manganese steel chain, connecting locking hook and
adjusting device, transmitting tension and adapting to different opening and
closing angles.
- Adjustment mechanism: a red metal bracket with bolts and rubber buffering
components, which can adjust the length of the chain and the tightness of the
locking mechanism.
Function and Applicable Scenarios
- Function: Automatically unlock the tailgate during self dumping, assist in
resetting and locking the tailgate after dumping goods, and have both buffering
and fastening functions.

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