Transmission gear meshing and jumping combined measuring device

The invention discloses a transmission gear meshing and jumping combined measuring device, and relates to the field of gear detection equipment, the transmission gear meshing and jumping combined measuring device comprises a rotating shaft, the rotating shaft is installed on an output shaft of a motor through a motor flange, a gear to be measured is installed on a gear installation seat, and the gear installation seat is installed on a sliding plate. The bottom of the sliding plate is installed on the bottom support through a first sliding rail, the side face of the sliding plate is connected to the upper end of a connecting block, the lower end of the connecting block is connected to an output shaft of a compact air cylinder, the compact air cylinder is fixedly installed on the bottom support, and one end of the sliding plate is provided with an engagement detection assembly. The standard gear is meshed with the to-be-detected gear, the meshing error is detected through the first sensor and the second sensor