Bolting type bridge inspection vehicle

The utility model discloses a bolting type bridge inspection car, relates to bridge inspection car technical field, including bridge body and main truss, the inside of main truss is equipped with telescopic truss, the top and bottom of main truss inner side are both fixedly equipped with a plurality of support, the inner side of support is rotatingly equipped with nylon wheel, and the nylon wheel is equipped with the telescopic truss. The telescopic truss is slidably connected with the nylon wheels, a telescopic motor is installed on the inner side of the telescopic truss, a speed reducer is arranged at the output end of the telescopic motor, a transmission gear is fixedly installed at the output end of the speed reducer, a rack is fixedly installed in the middle of the bottom of the inner side of the main truss, and the transmission gear is meshed with the rack. The utility model has the beneficial effects that the conventional square tube section bar is abandoned, the aluminum section bar with the special-s