Non-oil-pump forced oil supply structure for gear assembly

The utility model discloses a non-oil-pump forced oil supply structure for a gear assembly. A rotary gear (3) is installed in a box (1), the lower portion of the rotary gear (3) is immersed in lubricating oil (2), a housing (4) is fixed into the box (1) through a support (7), the housing (4) self-surrounds the top of the gear and the two side faces of the top of the gear, immersed in the lubricating oil, of the rotary gear (3) and located in the lubricating oil (2) below the rotary gear (3), a wedge-shaped cavity (8) from large to small is formed in the radial gap between the housing (4) and the top of the rotary gear in the rotary tangential direction from the gear tooth rotary inlet end to the rotary outlet end, a diversion trench (5) is formed in the small end of the wedge-shaped cavity (8), and the rear end of the diversion trench (5) is connected with a diversion pipe (6). The forced oil supply structure is simple in structure and reliable in operation, the lubricating oil flows in the wedge-shaped cavit