Movable device for plastering concrete drain hole orifice of bridge deck protective layer

The utility model relates to the technical field of bridge construction, and discloses a movable device for plastering the orifice of a concrete drain hole of a bridge floor protective layer, which comprises a support frame and a ballast retaining wall, the inner side of the support frame is rotatably connected with a first main pulley, a second main pulley, a third main pulley and an auxiliary wheel; the second main pulley and the third main pulley are both located below the first main pulley, the second main pulley is far away from one side of the third main pulley, and the auxiliary wheel is located under the third main pulley. A single person can directly stand on the device to clean the weep hole after bridge deck pavement, and after cleaning is completed, the device can be directly slid to the next weep hole. By the adoption of the device, the construction progress can be accelerated, operation is flexible, and cyclic utilization can be achieved. The operation efficiency is greatly improved, and the cos