Half automatic threading board

The utility model discloses a half automatic threading board, parallel support frame, a plurality of ring and the stopper that sets up including bottom plate, a plurality of, support frame fixed mounting is on the bottom plate, ring fixed mounting is on the support frame, the support frame includes left branch strut and right branch strut, the ring includes left ring and right ring, left side ring fixed mounting is on the left branch strut, right side ring fixed mounting is on the right branch strut, stopper fixed mounting is in left ring top portion. The utility model discloses the advantage: the utility model discloses an about the use that cooperatees of " L " type groove and lug of support frame ring about, bottom plate about, realized to the unity of ring open with closed control, reduced the difficulty of wearing the steel wire alone, improved the efficiency of wearing the steel wire. The utility model discloses a set up a stopper in left ring bottom, can effectively restrict the lifting height of right