Checker plate perforating tool

The utility model discloses a checker plate perforating tool which comprises a cutting torch body (4) and a cutting torch head (6). The lower end of the cutting torch body (4) is connected with the cutting torch head (6). The checker plate perforating tool is characterized in that the tool further comprises an auxiliary rack (3) and a fixed needle (5) which are fixedly connected together, and the connecting point of the auxiliary rack (3) and the fixed needle (5) is further fixedly connected with the connecting point of the cutting torch body (4) and the cutting torch head (6) through a movable shaft (7); the upper end of the cutting torch body (4) is fixedly connected with a cross beam (2), and the upper end of the auxiliary rack (3) is movably connected with the cross beam (2). When the checker plate perforating tool is used for perforating, the deformation of checker plates can be reduced, the time for drawing lines is saved, the perforating size is guaranteed, the perforating speed is increased, and the polishing workload is reduced.