Bridge expansion joint cleaning equipment

The utility model discloses bridge expansion joint cleaning equipment which comprises a walking vehicle, idler wheels are fixedly installed at the four corners of the bottom face of the walking vehicle, a double-shaft motor driving the two idler wheels on the side to rotate is fixedly installed on the side, close to the walking tail end, of the bottom face of the walking vehicle, and a dust collector body is fixedly installed on one side of the upper surface of the walking vehicle. And a suction head is arranged below the through groove. The guide wheels on the two sides are adjusted to be close to the side wall of the expansion joint, then the dust collector body, the electric brush and the double-shaft motor are controlled to work, the electric brush firstly rotates in the expansion joint to strip sundries in the expansion joint from the inner wall, then the suction head sucks the sundries into the dust collector body through the connecting pipe, and meanwhile the double-shaft motor drives the rolling wheel