Gearbox synchronizer clamp

The utility model provides a gearbox synchronizer clamp. The gearbox synchronizer clamp comprises a chuck, an outer shaft, an inner shaft, a clamping disc, a front disc, a flat head push rod, an auxiliary positioning rod, an inclined sliding block and an ejector block. An outer shaft is movably arranged in the middle of the chuck, and an inner shaft is movably arranged in the middle of the outer shaft; the four sets of front discs are movably provided with a plurality of sets of bolts by forming screw holes, and the front discs are fixedly arranged at the outer end of the inner shaft through the bolts. The clamping disc is movably arranged in the inner shaft through the front disc; a through hole is formed in the middle of the inner shaft, and a bolt penetrates through the end hole and isarranged on the inner side of the through hole. Arrangement of clamping disc, a multi-form control function is provided for the clamp, the clamp can be conveniently matched with respective movement ofthe outer shaft and the i