A catch handling instrument that is used for fast open -blind board of catch formula

The utility model relates to a catch handling instrument that is used for fast open -blind board of catch formula, including double end pole and two movable blocks, double end pole middle part is equipped with the lead screw screwhead of the spanner wrench movement of being convenient for, and the double end pole position is equipped with the lead screw screw thread respectively in the part of lead screw screwhead both sides, and two movable blocks pass through lead screw screw thread and double end pole threaded connection, rotate the double end pole, and two movable blocks are close to eachother or keep away from each other, cylindric lock of the detachable connection of every movable block replacement head, cylindric lock replacement head is perpendicular with the double end pole, andthe first lower extreme of cylindric lock replacement can correspond and inserts blind plate catch fixed orifices, and the axial displacement of double end pole is followed to the blind plate catch under the drive of cylindric