Gear transmission return clearance eliminating structure

The invention relates to a fear transmission return clearance eliminating structure and belongs to the technical field of mechanical transmission. By utilizing the structural characteristic that the gear transmission return clearance eliminating structure is conveniently and reliably fixed by utilizing a tensioning sleeve, the problems of reduced transmission precision and relatively low transmission system rigidity caused by a return clearance generated in a gear transmission process can be solved. The invention provides a gear transmission return clearance eliminating structure which is capable of eliminating the return clearance generated in gear transmission and improving the transmission precision and the transmission system rigidity. 本发明涉及种齿轮传动回程间隙消除结构，属于机械传动技术领域。本发明利用胀紧套固定方便可靠的结构特点，解决了齿轮传动过程中回程间隙导致传动精度降低、传动系统刚度较弱的问题，提供了种齿轮传动回程间隙消除结构，实现齿轮传动回程间隙消除，提高传动精度和传动系统刚度。