Keg-efficiency background equipment bearing and fixing frame for shield tunneling machine

The utility model discloses an anti-mud-effect background equipment bearing and fixing frame for a shield tunneling machine. The anti-mud-effect background equipment bearing and fixing frame comprises a bearing platform and a rectangular platform composed of a bearing frame and a bearing plate. The guardrail is vertically arranged on the long edge of one side of the bearing platform, and the length of the guardrail is consistent with that of the long edge of the bearing platform; the walking platform is arranged on the long edge of the other side of the bearing platform, the length of the walking platform is consistent with that of the long edge of the bearing platform, and the top surface of the walking platform is higher than that of the bearing platform; at least two groups of walking wheels are arranged at intervals in the length direction of the bearing platform, each group of walking wheels is vertically and fixedly connected to the bottom surface of the bearing platform through a vertically arranged su