Efficient heat dissipation type wind driven generator gear box heat dissipation device and gear box

The invention relates to the technical field of gear boxes, in particular to an efficient heat dissipation type wind driven generator gear box heat dissipation device and a gear box. A mounting plate is arranged in the heat dissipation water tank, and the mounting plate is transversely and slidably connected with a first connecting pipe; a first connecting seat matched with the first connecting pipe is arranged at the rear end of the filtering water tank; a connecting plate and a hose are arranged at the rear end of the first connecting pipe, one end of the hose is communicated with the rear end of the first connecting pipe, the other end of the hose is communicated to a water inlet of the heat dissipation water tank, an electromagnetic valve is arranged on the first connecting pipe, a tension bolt penetrates through the filtering water tank, and a tension inner threaded cylinder matched with the tension bolt is arranged at the front end of the connecting plate. A passive proximity switch assembly is arranged