Balancing beam drilling clamp

The utility model relates to a balancing beam drilling clamp which solves the technical problems that an existing balancing beam is complex in structure and heavy in weight, blank faces are special-shaped and irregular, and technological requirements of machined holes are difficult to guarantee, is provided with a clamp body, and is characterized in that a positioning and pressing mechanism and a drilling jig frame mechanism are arranged on the clamp body, the positioning and pressing mechanism is provided with a positioning hole, a positioning pin, a pressing plate, a stud and a supporting column, the stud and the supporting column support the pressing plate at the same time, and the stud is provided with a spring and a nut which are used for pressing the pressing plate; the drill jig frame mechanism is provided with a drill jig base and a drill jig plate, a pin shaft and a plug pin are arranged on the drill jig base, one end of the drill jig plate is fixed on the pin shaft, the other end of the drill jig pl