Transmission device for photovoltaic tracking system

The invention discloses a transmission device for a photovoltaic tracking system, and belongs to the field of photovoltaic generation. The transmission device comprises an adjusting device and an assembly, the assembly is fixed on a secondary beam through pressing blocks and U-shaped pressing block bolts thereon, and the secondary beam is connected with the adjusting device. According to the transmission device for the photovoltaic tracking system, a fluted disc is engaged with a worm engaging side rail to replace a rotation speed reducer with high cost, the transmission precision can be guaranteed, the automatic centering effect is achieved, the fluted disc can adopt engineering plastics with self lubrication, the transmission efficiency is increased, the overall structure is simple, theinstallation is convenient, the usage of the fluted disc on an end surface can share the torque and reduce the energy loss, the transmission worm can realize automatic centering, the centering property is achieved, and the tr