Power-off braking mechanism of transport vehicle

The utility model discloses a power-off braking mechanism of a transport vehicle, which comprises a motor, the shaft end of the motor is connected with a power-off brake, the motor is also provided with a protective cover, the power-off brake is arranged in the protective cover, and the protective cover comprises a dustproof part far away from a chassis and a heat dissipation part close to the chassis. According to the power-off brake, impurities on the road surface can be prevented from entering the power-off brake, it is guaranteed that the friction force of the power-off brake is not affected, meanwhile, the impurities are prevented from shielding the friction plate, the inspection efficiency of workers is improved, it can be guaranteed that the power-off brake can effectively dissipate heat, and noise transmission of the power-off brake in the braking process is reduced. 本实用新型公开了一种运输车的失电制动机构，包括有电机，所述电机的轴端连接有失电制动器，所述电机上还设置有防护罩，所述失电制动器设置在防护罩内，所述防护罩包括有远离底盘的防尘部和靠近底盘的散热部。本实用新型能够阻挡路面上的杂质进入到失电制动器中，保证失电制动器的摩擦力不受影