The utility model discloses an axle bush grinds machine, including the bent axle, the bent axle is turned by the primary shaft, and the secondary shaft turns and turns the component with the third axle, and the secondary shaft turns and turns with the primary shaft, the third axle turns and is connected through first bearing and second bearing respectively, and the primary shaft turns the other end and mounting rigid coupling, and the other end that the third axle turned passes through third bearing and gear connection, and the secondary shaft turns, the primary shaft turns, the third axle turns the mounting height of locating and risees in proper order, and first bearing and third bearing difference fixed mounting are on the support frame. The utility model discloses utilize the structural feature of bent axle, it is made of baked clay to many countershafts of leibo pump through the slow running that the axle turned, grind respectively, can accomplish measuring, the judgement to axle bush cooperation situation in the short time to grind the restoration.