The construction and working principle ot the hydraulic system tor large-capacity transformer coil constant pressure device were introduced. The design peculiarity of the loading cylinder was described. The constant pressure device equipped with this hydraulic system has been used in factory for more than a year. Its working performance is good.%介绍大型变压器线圈恒压装置液压系统的组成、工作原理以及加压油缸的设计特点.配备该液压系统的恒压装置已投入使用一年多时间,工作性能良好.
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