Hydraulic automatic dumping car

The utility model relates to a hydraulic automatic dumping car. At present, the automatic dumping car used for transporting ores in a surface mine in China refers to a KF-60 type 60-ton automatic dumping car which has problems in the wagon box structure, the loading and unloading efficiency and the tip-over stability. The hydraulic automatic dumping car comprises a chassis assembly (4), wherein the chassis assembly is provided with a wagon box assembly (2) and a dumping mechanism (9); both sides of the wagon box assembly are provided with side doors (10); the middle of the chassis assembly is provided with an air braking device (5), a hydraulic device (6), an electrical unit (7) and a chassis accessory (8); the lower end of the chassis assembly is provided with a 3E axle steering rack (3); and the front end of the chassis assembly is provided with a car coupler buffer device (1). The hydraulic automatic dumping car is applicable to factories, mines and large-scale building sites with mechanical car loading eq