Auxiliary device for roller positioning measurement

The utility model provides an auxiliary device for roller positioning measurement, and relates to the technical field of equipment installation. The device comprises a frame body and a target rod, the frame body comprises a horizontal table and side plates, a through hole is formed in the horizontal table, the two sides of the bottom of the horizontal table are connected with the side plates which are obliquely arranged respectively, a groove is formed in the upper surface of the horizontal table, the groove is perpendicular to the side edge, connected with the side plates, of the horizontal table, and a level tube is installed in the groove. The target rod comprises a straight rod and a connector, the straight rod penetrates through the through hole and is perpendicular to the upper surface of the horizontal table, the bottom of the straight rod is of a tip structure, the top end of the straight rod is connected with the connector, a magnetized mounting groove is formed in the top of the connector, and a pri