Supporting device for fixing wind power gear box

The utility model provides a supporting device used for fixing a wind power gear box, the wind power gear box is provided with a box body and torsion arms, the box body is provided with an output end and an input end which are oppositely arranged, the torsion arms are respectively arranged on two sides of the box body, and the torsion arms are arranged close to the input end. The shell is provided with a front containing part and a rear containing part which are oppositely arranged in the length direction, the front containing part corresponds to the input end, and the rear containing part corresponds to the output end; the two supporting assemblies are arranged on the front containing part and located on the two sides of the bottom frame correspondingly, and the supporting assemblies are detachably connected with the bottom frame; two clamping assemblies, each supporting assembly is provided with one clamping assembly, and the clamping assemblies are used for fixing a torque arm; the first adjusting structur