Road surface trowelling device convenient to clean for road and bridge construction

The utility model discloses a road surface trowelling device convenient to clean for road and bridge construction in the technical field of road construction, which comprises a base plate, a connecting frame is fixedly mounted at the top end of the base plate, extension plates are uniformly placed on two sides of the base plate, and fixing holes are formed in two ends of the base plate and one end of each extension plate. An extension plate is installed on the base plate, a fixed knob is installed on the inner wall of one end of the extension plate in an embedded mode, sliding grooves are symmetrically formed in the top end of the base plate and the top end of the extension plate, and sliding plates are installed on the inner sides of the sliding grooves in a sliding mode. According to the road surface trowelling device, cleaning after road surface trowelling is facilitated, stains left on the surface after the road surface trowelling device is used are reduced, an operator can move the trowelling device on t