Transmission structure of fracturing pump and fracturing pump

The embodiment of the invention provides a transmission structure of a fracturing pump and the fracturing pump, and relates to the field of fracturing pumps. The transmission structure of the fracturing pump comprises a power box shell and a transmission mechanism arranged on the power box shell. The transmission mechanism comprises a driving part arranged on the power box shell and a wave rail part driven by the driving part to move in a reciprocating mode, a plurality of rolling wheel parts A are fixed in the wave rail part in a rolling mode, and the wave rail part is further connected with plunger autorotation auxiliary parts rotationally connected with all the rolling wheel parts A; a guide piece connected with the inner bottom of the power box shell is fixed to the plunger autorotation auxiliary piece in a rolling mode, a connecting rod is fixed to the plunger autorotation auxiliary piece, and a plunger is arranged at the outer end of the connecting rod. The transmission structure of an existing fracturi