蜗轮蜗杆传动装置支承结构优化设计

针对传动装置在低温环境下调转缓慢甚至无法转动的问题，提出支承结构优化设计方法。分析传动装置固定-游动支承，减小轴承与箱体壳体的接触面积，用一个偏心座代替2个偏心端盖，分析减小阻力矩的优势，并进行仿真验证。仿真结果表明：蜗轮轴的变形在0.00083 mm之内，满足设计精度要求，可为解决传动装置低温环境传动阻力增大的问题提供理论依据和工程应用参考。

Support Structure Optimization Design of Worm Gear Transmission Device

To solve the problem that the transmission device driving slowly or even not driving in the low temperature environment, put forward the optimization design of support structure. Analyzed the fix-move support of transmission device, reduce contact area of bear and box surface, replace two eccentric cover with one eccentric mounting, analyze the advantage of reducing resistance moment, and carry out simulation verification. The simulation results show that the worm gear shaft deformation is within 0.000 83 mm. The accuracy met the design requirements. It gives the theoretical basis and the engineering application reference to solve the problem of the stronger resistance of transmission device in the low temperature environment.