Hydraulic nut splitter

The utility model discloses a hydraulic nut splitter, comprising a working head; the working head is provided with a cutting hole for containing a nut; the wall of the cutting hole is provided with a through hole which is internally provided with a push rod in a sliding manner; one end of the push rod, close to the cutting hole, is detachably provided with a cutter, and the other end thereof is arranged on a piston of a hydraulic cylinder which is fixedly connected with the working head; and a reset spring is arranged between the piston and the working head. The hydraulic nut splitter has small volume, convenient operation and good working performance, can adopt manual hydraulic power equipment respectively under the conditions of high altitude, other spaces with limited manpower, sites without power supply and the like, has strong cutting capability, cuts the nut with high speed and fast cutting without damage to a screw, does not generate spark, is safe and is applicable to various fireproof and explosion-p