The invention discloses a safe and reliable automatic supporting structure of a mine car. The automatic supporting structure comprises a car body and wheels arranged at the lower end of the car body. The periphery of the car body is provided with jacking air cylinders, piston rods of the jacking air cylinders are provided with supporting feet, and the bottom of each supporting foot is provided with an automatic positioning device. According to the structure of the automatic positioning device, a lower sliding cavity, a positioning cavity, an upper sliding cavity and a buffering cavity which are communicated with one another are sequentially formed in each supporting foot from bottom to top, the lower sliding cavities are internally provided with sliding pillars, the positioning cavities are internally provided with positioning contact blocks connected with the upper ends of the sliding pillars, the lower ends of the sliding pillars are matched with the ground, sensors are arranged in the upper sliding cavities in a sliding mode, the lower ends of the sensors stretch into the positioning cavities for being matched with the positioning contact blocks, and the upper ends of the sensors stretch into the buffering cavities for being connected with buffering clamping blocks.
Automatic supporting structure of mine car
2015-12-30
Patent
Electronic Resource
English
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen |