Non-self-walking type cargo bridge system of military transport plane

The utility model provides a non-self-walking type cargo bridge system of a military transport plane. The non-self-walking type cargo bridge system comprises a bracket structure used for supporting an airplane sloping bench of the transport plane. A channel steel rail is laid on the side edge of the bracket structure; a plurality of groups of travelling wheel mechanisms which are symmetrically arranged are supported on the channel steel track; a lifting bearing mechanism is installed at the top of the walking wheel mechanism, a cargo bridge structure is installed at the top of the lifting bearing mechanism through a top hinge supporting seat in a supporting mode, and the top of the cargo bridge structure is used for supporting a tray for conveying a cargo box in a rolling mode. And the cargo bridge structure is connected with the onboard winch. The cargo bridge can provide power by means of an airborne guide rail and a winch, the requirement that non-self-propelled equipment such as a large packaging box ente