Central traction device preassembling tool

The utility model relates to the field of railway vehicles, and provides a pre-assembling tool for a central traction device. The central traction device pre-assembling tool comprises a pre-assembling platform and a conveying platform, the pre-assembling platform comprises a rack, a plurality of trays used for bearing central traction devices are arranged on the rack in a sliding mode, and a plurality of pressing pieces used for pressing the central traction devices on the trays are arranged on the rack in the length direction of the rack; the transportation platform and the pre-assembling platform are detachably assembled, the transportation platform comprises a vehicle body, a lifting assembly is arranged on the vehicle body, and a supporting frame used for containing the central traction device pre-assembled by the pre-assembling platform is arranged on the lifting assembly. The central traction device pre-assembly tool can avoid switching between transportation and assembly tools; single-person operation