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平衡块式推力轴承为一种新型结构的推力轴承。我们于1970年在广东南水电站2号机上进行了第一次工业试验,取得了良好的效果。遵照毛主席“实践出真知”和“一个正确的认识,往往需要经过由物质到精神,由精神到物质,即由实践到认识,由认识到实践这样多次的反复,才能够完成。”的伟大教导。在电站实践的基础上,我们对轴承结构作了更合理的改进,又分别在几个不同转速,不同结构型式的机组上采用了此种轴承,以便能对此种支撑结构获得较全面的认识(见表1)。同时在丹江4号机上进行了第二次试验,为大型水轮发电机,特别是“330”发电机采用此种轴承的可能性提供实践依据。
Balanced block thrust bearing is a new type of thrust bearing. We conducted our first industrial test on Unit 2 of Guangdong South Hydropower Station in 1970 and achieved good results. To comply with Chairman Mao’s principle of “practicing truthfulness” and “a correct understanding often requires going through materialism to spirituality, from spirituality to materialism, that is, from practice to understanding and from practice to repetition of such practices.” Great teaching. Based on the practice of the power station, we made more reasonable improvements to the bearing structure and adopted such bearings at several sets of different rotating speeds and different types of structures so as to obtain a more comprehensive understanding of such supporting structures (See table 1). At the same time, a second test was carried out on Danjiang Unit 4 to provide a practical basis for the possibility of using such bearings for large hydro-generators, especially “330” generators.