Self-cleaning box hopper for heavy dump truck in open pit coal mine

The invention discloses a self-cleaning box hopper for a heavy dump truck in an open pit coal mine, which comprises a box body assembly, a box hopper, a hydraulic part, a cleaning assembly arranged on the bottom surface of the box body assembly and comprising a bottom wiping plate and a top wiping plate, and a locking assembly arranged in the box body assembly and comprising a locking spring and a locking block. Under the cooperation of the box body assembly, the cleaning assembly and the locking assembly, the box hopper can be cleaned quickly and conveniently, cleaning is started only when needed, and when not needed, the cleaning device retracts to the bottom of the box hopper, and truck loading is not affected. 本发明公开了一种露天煤矿重型自卸卡车用自清洁箱斗，其中有箱体组件，包括箱斗和液压件，还有清洁组件，设置于箱体组件底面，包括底擦板和顶擦板，还有锁定组件，设置于箱体组件内部，包括锁定弹簧和锁定块。本发明装置在箱体组件、清洁组件和锁定组件的配合下，我方发明能快速方便的清洁箱斗，并且只在需要时启动清洁自身，在不需要时缩在箱斗底部不影响装车。