Grinding machine transmission part heating device and mounting method thereof

The invention provides a grinding machine transmission part heating device and a mounting method thereof. The heating device comprises channel steel, a heating pipe, a connecting pipe and supports, wherein the channel steel is welded on the inner side of the bottom of a gear cover in an intermittent welding manner, the heating pipe is fixedly arranged on the inner side of the bottom of the gear cover through channel steel in an S shape, one end of the heating pipe is connected with the connecting pipe through an elbow, and the connecting pipe is supported by the supports fixed at the bottom ofthe gear cover. When the device is mounted, the two ends of the heating pipe penetrate through two open holes in the gear cover, then the two ends of the heating pipe are connected with the channel steel in a spot welding mode; after the heating pipe and the gear cover are assembled, the connecting pipe is connected with the right end of the heating pipe through the elbow, the other end of the connecting pipe and the oth