The invention discloses a safe and reliable mine car fixing and supporting structure which 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. The lower ends of piston rods of the jacking air cylinders are provided with supporting feet. The supporting feet are arranged on the piston rods in a rotating mode through spherical connection pieces. The two sides of the lower end of each piston rod are provided with angle limiting cavities respectively, spherical connection pieces in the angle limiting cavities are provided with angle limiting blocks matched with the angle limiting cavities, spring cavities are formed in the piston rods on the two sides of the angle limiting blocks, and springs are arranged in the spring cavities. One end of each spring abuts against the corresponding piston rod, the other end of each spring abuts against the corresponding angle limiting block, and the bottom of each supporting foot is provided with an automatic positioning device.
Mine car fixing and supporting structure
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 / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |