Building waterproof cloth construction laying device

The utility model discloses a building waterproof cloth construction laying device, and relates to the technical field of building waterproof cloth construction. A building waterproof cloth construction laying device comprises a device frame, the inner side of the device frame is fixedly connected with a rolling shaft, the rolling shaft is fixedly sleeved with a rolling block, the lower end of the device frame is provided with four moving wheels, the moving wheels are symmetrically arranged in pairs, and the side face of the device frame is fixedly connected with a push-pull handle. Two supporting plates are fixedly connected to the upper end of the device frame, and a smoothing mechanism is arranged between the two supporting plates. When the waterproof cloth needs to be laid, the device frame is combined with the moving wheels, the waterproof cloth can be rapidly moved to a proper position, meanwhile, the flattening mechanism in the supporting plate can be used for rapidly flattening the waterproof cloth, t