Self-propelled protective shed for cantilever construction of cable-stayed bridge

The utility model discloses a self-propelled protective shed for cantilever construction of a cable-stayed bridge, which belongs to the field of building construction and is characterized in that a bottom truss is arranged at the lower end of a bridge and is detachably connected with the bottom end of the bridge through a support; the two rear supporting trusses are arranged at the rear end of the bridge in the construction direction, and each rear supporting truss is provided with an inward first suspension arm. The front supporting trusses are arranged on the front side of the rear supporting truss side by side at intervals in the construction direction of the bridge, and each front supporting truss is provided with an inward second suspension arm; the two rails are located on the upper side of the bridge floor of the bridge, the first ends of the rails are connected with the first suspension arms, and the second ends are connected with the second suspension arms in the same horizontal direction. A front wa