Bufferable mine car with self-locking function

The utility model discloses a bufferable mine car with self-locking function, which is composed of a frame, a carriage, front mine car wheels, rear mine car wheels and braking equipment, wherein the front mine car wheels and the rear mine car wheels are arranged at the lower part of the frame; the braking equipment is arranged at the rear mine car wheels; the carriage is arranged at the upper part of the frame; and buffering rubber is arranged at the bottom of the carriage. The bufferable mine car model has the characteristic that the buffering rubber is used to realize the effect of buffering large and hard material smashes, which crash and damage the car bottom; and the bufferable mine car can achieve self-braking to independently stand still at a railway with a high inclination, is simple in structure, and has strong practicability.