Measuring cylinder reading auxiliary support

The invention discloses a measuring cylinder reading auxiliary support, which relates to the technical field of measuring cylinder reading and comprises a supporting bottom plate, a guide rod, a moving block, a connecting component and a clamping component, a guide rod is vertically fixed to the upper end of the supporting bottom plate. The right side of the moving block is in threaded connection with a fixing bolt, and a rotating bearing is fixed in the left side of the moving block; the connecting component comprises a rotating rod and a connecting block; the clamping and holding component comprises a connecting plate, semi-U-shaped plates, semicircular clamping pieces, rotating shafts, tension springs and bearings, the bearings are fixedly embedded in the middles of the two semi-U-shaped plates respectively, the rotating shafts are fixedly connected to inner rings of the bearings, and the semicircular clamping pieces are fixedly connected to the ends, on the inner sides of the two semi-U-shaped plates, of