Shifting fork type pneumatic actuating mechanism with high universality

The utility model discloses a shifting fork type pneumatic actuating mechanism with high universality, relates to the field of actuators, and solves the problem that two shifting forks cannot be universally used. The device comprises a shifting fork, a sliding block and a piston rod, the sliding block is arranged on the piston rod in a sliding mode, the sliding block is in transmission connection with the shifting fork through a plug pin, the shifting fork comprises a shifting fork body, a shifting fork arm and a guiding piece, an installation hole is formed in the shifting fork arm, the guiding piece is detachably installed in the installation hole, and a sliding hole is formed in the guiding piece. The length direction of the sliding hole is arranged along the central axis of the shifting fork body or forms an inclined acute angle with the central axis of the shifting fork, and the bolt is inserted into the sliding hole to form sliding fit in the length direction of the sliding hole. The guide piece and the