【摘要】 目的研究功率封闭机械式变速器齿轮寿命试验台．方法利用定轴式齿轮、传动箱及弹性扭轴进行功率封闭；利用行星传动、谐波传动及计算机控制技术进行动态加减载．结果电气机械加载器加载速度为１２．８ｍｒａｄ／ｓ，试验台功率损失率约５７％．结论功率封闭机械式变速器齿轮寿命试验台可进行动态加载，运转过程中载荷稳定，节能率约４３％，实现了试验过程的自动控制．更多还原

【Abstract】 Aim To study the powerclosed mechanical transmission gear life test stand Methods Using planetary transmission, harmonic drive, and computercontrol techniques, to realize dynamical loading Using fixedaxes gear trains and an elastic torque axle, to realize powerclosed Results The loading speed of the electrical and mechanical loader is 128 mrad/s, the loss of efficiency of the test stand is about 57% Conclusion Loading could be done dynamically by the powerclosed mechanical transmission gear life test stand, the load is stable under test Saving power efficiency is about 43% The procedure of test is controlled automatically by computer更多还原