Fixing tool for engine crankshaft drilling

The utility model provides a fixing tool for engine crankshaft drilling, belongs to the technical field of crankshaft machining tools, aims to solve the problem that it is difficult to fix a crankshaft by operating one component, and comprises a tool base. The left side and the right side of the top face of the tool base are fixedly connected with a left vertical plate and a right vertical plate through bolt assemblies. Round holes are formed in the left vertical plate and the right vertical plate correspondingly. Threaded rods are movably connected into the round holes in a clamped mode. The outer part of the threaded rod is movably connected with a connecting pipe through thread engagement; a clamping block is clamped outside the connecting pipe; the bottom of the clamping block is fixedly connected with a connecting frame through a screw. The fixing tool is provided with the clamping block, one end of the crankshaft is clamped to the right vertical plate, the threaded rod is rotated to adjust the clamping