Clamp down on type screw -thread steel anchor clamps

The utility model relates to a fixture, especially, clamp down on type screw -thread steel anchor clamps. This connector includes the anchor clamps body, a handle, the locating plate, the pincers body and latch, anchor clamps body bottom is equipped with the handle, two pincers bodies press from both sides the dress in pressing from both sides specific recess through the locating plate respectively, be equipped with the latch on the wall of pincers side, anchor clamps body upper end fixedly connected with fixed column, fixed column and two vice pincers hinges connect, through spring body fixed connection between two vice pincers, the fixed column passes through hack lever and anchor clamps body upper end fixed connection, be equipped with the insection on the vice pincers inner wall, these anchor clamps can utilize additional centre gripping facility to increase the dynamics of holding that adds to the screw -thread steel, and save cost, shortens testing periods.