Pot -type transportation semitrailer top threading structure

The utility model discloses a pot -type transportation semitrailer top threading structure, a top structure of connecting including jar body and jar body top, top structure include mount, crashproof roof beam, and the mount spanes at the both ends of the jar body, and crashproof roof beam setting is between two mounts vertical, being provided with the clamp on the anticollision roof beam, installing the threading pipe in the clamp, the intraductal semitrailer that is provided with of threading shows corridor lamp connecting wire, the plane of clamp one end is welded with crashproof roof beam and is in the same place, and plane contact welding operation is convenient, stable firm, just welds length, regional little, and the weld bond position is easily cleared up, and is whole more pleasing to the eye, clamp free end after the welding can kick -back, can block from the top down into the joint district during installation of threading pipe, and it is more convenient to install. The utility model discloses threading structural design is reasonable at the top, and save material, the welding is firm, the area reduces, workman intensity of labour reduces, and whole outward appearance is succinct, convenient operation.