Auxiliary device for replacing pull rod of shaft head bearing of rolling mill

The utility model discloses an auxiliary device for replacing a pull rod of a shaft head bearing of a rolling mill in the field of steel rolling machines, which aims to solve the problems that the working efficiency is low and inconvenience in brought when the pull rod is replaced at present. The auxiliary device for replacing the pull rod of the shaft head bearing of the rolling mill comprises a connection plate, a mandril bolt and two compression bolts, wherein the center of the connection plate is provided with a mandril bolt hole; both sides of the mandril bolt hole are respectively provided with compression bolt holes which are consistent with the bolt holes of a flange plate at the head part of the pull rod in size and position; and the mandril bolt and the two compression bolts are correspondingly arranged in the mandril bolt hole and the compression bolt holes. When the auxiliary device for replacing the pull rod of the shaft head bearing of the rolling mill is used, firstly, the two compression bolts