Shelter placing width centering device

The utility model discloses a shelter placing width centering device in the technical field of shelter placing equipment, which comprises a cross beam, a mounting beam and a middle frame, the mounting beam is fixedly connected between the left sides of the inner side walls of the cross beam, the middle frame is positioned on the rear side of the cross beam, a connecting rod is fixedly connected between the front sides of the inner side walls of the mounting beam, and the middle frame is positioned on the rear side of the cross beam. A fixing seat is fixedly connected to the left side of the bottom of the connecting rod, a first connecting pin is rotatably connected to the bottom of the fixing seat, an electric push rod is fixedly connected to the outer side wall of the first connecting pin, a second connecting pin is fixedly connected to the rear end of the electric push rod, and grooved connecting columns are inserted into the front side and the rear side of the bottom of the mounting beam; the top end of th