Crawler overhead working truck

The utility model discloses a crawler belt overhead working truck which comprises a crawler belt chassis, a power frame, a crawling ladder, a shear fork mechanism and a working platform, the power frame is arranged on the upper side of the crawler belt chassis, the shear fork mechanism is arranged on the power frame, the working platform is arranged at the end of the upper end of the shear fork mechanism, and the crawling ladder is located on one side of the power frame. A transverse adjusting oil cylinder and a longitudinal adjusting oil cylinder are arranged on the crawler chassis, and the crawling ladder comprises a crawling ladder main body, and a hydraulic control system box and an electric control system box which are arranged on two sides of the crawling ladder main body. The horizontal height difference and the left-right height difference are adjusted by arranging the transverse adjusting oil cylinder and the longitudinal adjusting oil cylinder, so that the overhead working truck can be suitable for