The invention discloses a safe and reliable mine car supporting leg structure. The mine car supporting leg structure comprises a car body and wheels arranged at the lower end of the car body, wherein lifting cylinders are arranged around the car body respectively, a supporting leg is arranged at the lower end of a piston rod of each lifting cylinder in a rotary mode through a spherical connecting piece, angle limiting cavities are formed in the two sides of the lower end of each piston rod respectively, an angle limiting block matched with the corresponding angle limiting cavity is arranged on each spherical connecting piece in the corresponding angle limiting cavity, spring cavities are formed in the piston rods at the two sides of each angle limiting block, 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 an automatic positioning device is arranged on the bottom of each supporting leg.
Mine car supporting leg structure
2015-12-23
Patent
Elektronische Ressource
Englisch
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 |