Comprehensive precision detector for rolling linear guide rail pair

The utility model relates to a rolling linear guide rail pair comprehensive precision detector, which comprises a base, a stand column and an installation box, a platform is fixedly connected above the base, a linear guide rail is arranged above the platform, a detection device is arranged outside the linear guide rail, the detection device comprises a stepping motor and a laser range finder, and the stepping motor is connected with the stand column. A lead screw is fixedly mounted on an output shaft of the stepping motor, a guide block is in threaded connection with the outer side of the lead screw, a movable block is fixedly mounted on the lower side of the guide block, a fixed plate is fixedly connected to the lower side of the movable block, a push rod is fixedly mounted on the lower side of the fixed plate, and a first mounting plate is fixedly mounted on an output shaft of the push rod; and the lower side of the first mounting plate is fixedly connected with a first pressure spring. The comprehensive pr