Auxiliary device for measuring straightness of steel strand

The utility model discloses a steel strand straightness measuring auxiliary device which comprises a fixing box, four lead screws are rotatably installed at the bottom of the fixing box, any lead screw is fixedly sleeved with a first worm gear, the top end of any lead screw is sleeved with a lead screw guide sleeve in a threaded mode, a connecting block is fixedly installed at the top end of any lead screw guide sleeve, and a second worm gear is installed at the bottom of the fixing box. And the same connecting plate is rotatably mounted at the tops of the four connecting blocks, first worms are rotatably mounted on the two sides of the fixing box correspondingly, any first worm is engaged with the corresponding first worm wheel, and positioning boxes are fixedly mounted on the two sides of the top of the connecting plate correspondingly. The auxiliary device for measuring the straightness of the steel strand is simple in structure and convenient to use, the device can be adjusted to be horizontal before meas