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一、引言:无内环,不对称工作轮的保护型液力偶合器,由于存在许多优点,得到了广泛的应用。国内已有一些单位进行了这方面的研究工作(“工程机械”曾作过介绍)。它的性能,尤其是外特性。液力偶合器内部液流状态十分复杂,目前尚缺乏完整可靠的理论来计算出它的外特性和它本身结构对外特性的影响。因此选用试验模型,进行大量的试验,掌握它的结构及其他因素对外特性的影响,是重要的途径。现将我们先后试验过的单辅助室的 TL-460、TL-490(有效直径
First, the introduction: No inner ring, asymmetric working wheel protection type hydraulic coupling, due to the many advantages, has been widely used. Some domestic units have carried out research in this area (“Construction Machinery” had made introductions). Its performance, especially the external characteristics. The fluid flow inside the fluid coupling is very complicated. At present, there is a lack of a complete and reliable theory to calculate its external characteristics and the external characteristics of its own structure. Therefore, the choice of test model, a large number of tests, to grasp its structure and other factors on the external characteristics of the impact is an important way. Now we have tested the single auxiliary room TL-460, TL-490 (effective diameter