Single crooked for crankshaft machining anchor clamps

The utility model provides a single crooked for crankshaft machining anchor clamps, include: vertical centre gripping subassembly, it includes first mount pad, compacting arm, swivel becket and actuating arm, the articulated upper end to a vertical pole of compacting arm, horizontal centre gripping subassembly, it includes the second mount pad, compresses tightly the pole, compact heap and pressure spring, and drive assembly, it includes the pivot and rotates the seat, is fixed with an eccentric wheel on the outer wall of pivot middle part, has one to lie in the first gyro wheel that supporting seat one side is close to in the pivot with the eccentric wheel is tangent, first gyro wheel can be installed in a led bar who extends between two crank arms earlier on with rotating, a led bar is connected to the main aspects of the one or three hornblock, led bar middle part is fixed with the 2nd led bar, and the 2nd led bar is connected to 1 the 23 hornblock. This single crooked for crankshaft machining anchor clamp