Hydrocoupling splitting device

The utility model belongs to the technical field of assembly and repair of mechanical equipment and particularly relates to a hydrocoupling splitting device. The hydrocoupling splitting device comprises a shaft gripper and supporting plates connected through a pull rod bolt assembly, wherein the shaft gripper comprises an upper semicircular bracket, a lower semicircular bracket and two bolt fasteners; a single shaft gripping pawl is arranged in the middle of the upper semicircular bracket, and upper semicircular holes are formed in the two sides of the upper semicircular bracket; double shaft gripping pawls symmetrical relative to the middle are arranged on the lower semicircular bracket, and lower semicircular holes are formed in the two sides of the lower semicircular bracket; the upper semicircular holes and the lower semicircular holes form a complete circular hole; a central line of the complete circular hole is perpendicular to that of each bolt fastener; and the single shaft gripping pawl and the doubl