Main and auxiliary box gear shifting interlocking mechanism for transmission

The utility model discloses a main box and auxiliary box gear shifting interlocking mechanism for a transmission. The box comprises a box body, an interlocking plate, a main box fork shaft, an auxiliary box fork shaft, a limiting screw and a pin roller, the interlocking plate is arranged in the box body; the motor is movably connected with the box body; a main box fork shaft hole, an auxiliary boxfork shaft hole and an interlocking hole are formed in the interlocking plate; the main box fork shaft hole and the auxiliary box fork shaft hole are the same in hole shape and opposite in direction.The number of the main box fork shafts is multiple, the main box fork shafts are matched with the main box fork shaft holes, the auxiliary box fork shafts are matched with the auxiliary box fork shaft holes, the limiting screws are fixedly connected with the box body, the interlocking plates are arranged on the limiting screws in a sleeving mode through the interlocking holes, and the interlocking plates can reciprocate r