Skeleton type transportation semitrailer

The invention discloses a skeleton type transportation semitrailer, which relates to the technical field of transportation semitrailers, and mainly comprises a support framework and a walking wheel mechanism arranged on the support framework, one end of the support framework is provided with a connecting part connected with a tractor head, and the connecting part comprises a positioning plate anda connecting disc rotatably arranged on the positioning plate; wherein the connecting disc is connected with a traction vehicle head, a plurality of positioning blocks are fixed on the supporting framework and are respectively positioned on two sides of the supporting framework, and a connecting mechanism used for being connected with an assembling hole in an external platform is mounted on each positioning block. The connecting part and the connecting mechanism which are simple and reliable in connection are designed on the supporting framework, and the function of connecting the towing vehicle head with the supporti