Disc brake capable of monitoring continuous wear of friction plate and brake disc

The utility model discloses a disc brake capable of monitoring continuous abrasion of a friction plate and a brake disc. The disc brake comprises a disc brake body and a continuous abrasion sensor device. The continuous wear sensor device comprises a continuous wear sensor assembly, a blanking cap, a waveform spring washer, a sealing connection device and a sealing ring; the sealing connecting device is fixedly connected to the disc brake body; the waveform spring washer is sleeved on the continuous wear sensor assembly, and the waveform spring washer and the continuous wear sensor assembly are pressed into the sealing connection device and are fixed on the sealing connection device through the blanking cap; the continuous wear sensor assembly comprises a probe and a bushing; and the sliding pin is fixed on the disc brake bracket through a locking bolt. According to the utility model, the abrasion conditions of the brake disc and the friction plate can be monitored in real time, and the brake effectiveness is