Structure facilitating erection of enclosed bus welding bent frame

The utility model discloses a structure convenient for erecting a welding bent frame of an enclosed bus, which comprises a vertical pipe, a connecting rib plate is welded and fixed at the upper end of the vertical pipe, support arms are symmetrically welded and fixed on the vertical pipe at the front side and the rear side of the connecting rib plate, a sleeve is welded and fixed at the lower end of the vertical pipe, a pressing assembly is arranged on the sleeve, and the pressing assembly is connected with the connecting rib plate. The pressing assembly comprises a box body, a pull rod, a spring and a pressing plate, the pull rod movably penetrates through the box body and is elastically connected with the box body through the spring, and the pressing plate is fixedly connected with the lower end of the pull rod. Through the arrangement of the vertical pipes, the connecting rib plates and the transverse pipes, a large amount of space can be generated below an erected bent frame, personnel can conveniently in