Double-locking high-pressure brake mechanism

The utility model relates to a brake, the utility model relates to a brake mechanism, in particular to a double-locking high-pressure brake mechanism. BRAKE HOUSING, a spline housing is arranged in the brake shell; the excircle surface of the spline housing is connected with a brake pad moving plate through a spline; the brake pad movable sheet is in contact with the end surface of a brake pad fixed sheet which is connected in the brake shell through a spline; a backing plate is arranged on the right sides of the brake pad fixed plate and the brake pad fixed plate; baffle rings are arranged onthe right sides of the base plates; a first spring and a second spring are arranged in the left end of the piston, a spring base plate is arranged on the left side of the piston, a locking check ringis arranged on the left side of the spring base plate, a three-section check ring is arranged outside the locking check ring, and a brake oil port is formed in the lower portion of the brake shell. The positioning and fixing