The utility model discloses a movable temporary pipeline support. The utility model relates to the technical field of municipal construction equipment. The device comprises a bracket and a cross beamconnected to the bracket, the right end of the cross beam is rotationally connected with a roller; a stop disc is arranged on the left side of the roller; a plurality of stop grooves are uniformly distributed in the circumference of the circular surface of the stop disc; a supporting plate is fixedly connected to the cross beam; the supporting plate is located on the left side of the stop disc. aclamping jaw is hinged to the side, facing the stop disc, of the supporting plate, and a hinge shaft is parallel to a rotating shaft of the rotating roller; meanwhile, the distance between a hinge shaft of the clamping jaw and the rotating shaft of the rotating roller is larger than the radius of the stop disc, the tail end of the clamping jaw is inserted into the stop groove, a spring is hinged to the side, away from the supporting plate, of the clamping jaw, the other end of the spring is hinged to the supporting plate, and the vertical position of the hinge shaft is located between the hinge shaft of the clamping jaw and the outer side wall of the rotating roller. According to the utility model, a circuit can be regularly wound on the bracket, and can be quickly retracted, released andfixed, so that the cleanness of a construction site is kept, and potential safety hazards caused by soaking the circuit in water are avoided.