Anchor -hold is moved back in stretch -draw

The utility model discloses an anchor -hold is moved back in stretch -draw, include: the base is equipped with down the through -hole in the middle part of it down, the two jack sets firmly respectively under on the base, and about through -hole symmetry down, the gripping sleeve, it includes the tight piece of two clamps, two tight pieces of clamp press from both sides tight clamp part and fixed part that includes integrated into one piece through the pivot pin joint of vertical setting on base upper surface down, are equipped with the fixed orifices on the fixed part to supply coupling assembling to pass the tight piece locking of two clamps, go up the base, its middle part is equipped with the last through -hole that corresponds with lower through -hole, goes up the lower surface of base and the top rigid coupling of two jack to to go up base jack -up through the jack, a pair of stand sets firmly respectively on the upper surface of last base, the portion of taking in, and it is served as reasons and sets