Height-adjustable rolling crusher

The utility model relates to a height-adjustable rolling crusher and belongs to the technical field of metallurgical logistics equipment. According to the technical scheme, walking rails (2) are installed on the two sides of a steel slag crushing pool (1), driving walking wheels (3) and driven walking wheels (14) are arranged below a walking frame (4), the walking frame (4) walks on the walking rails (2), a lifting frame (5) is located over the walking frame (4), a cylinder body of a lifting hydraulic cylinder is fixed to the walking frame (4), and the lifting hydraulic cylinder is fixed to the lifting frame (5). A cylinder rod of the lifting hydraulic cylinder is in driving connection with the lifting frame (5); crushing rolling teeth (9) are arranged on the surface of the toothed roller (8), the two ends of the toothed roller (8) are rotationally connected to the lifting frame (5) respectively, and the toothed roller motor (11) is in driving connection with the toothed roller (8). The device has the benefic