Disc brake fatigue testing machine

The utility model discloses a disc brake fatigue testing machine. The device comprises a roller, a roller bracket, a roller driving device, a wheel bracket, a brake handle bracket, a brake handle triggering device, a vehicle speed sensing device, a brake handle force sensing device and a control system, the roller driving device drives the roller mounted on the roller bracket to rotate; the wheelbracket is mounted on the roller bracket; the wheels are rotatably mounted on the wheel brackets; the circumferential outer surfaces of the wheels are contacted with the roller; the handlebar bracketis fixed on the roller bracket; a brake handle connected with a disc brake on the wheel is fixedly arranged on the brake handle bracket; the brake handle triggering device can trigger a brake handle of the brake handle; the vehicle speed sensing device and the brake handle force sensing device can sense the rotation speed of wheels and the trigger force of a brake handle and transmit signals to the control system. The disc