In order to make the seal reliability of the hydraulic powered support, the paper introduced the sealing status at home and a-broad with the common seal structures, sealing element type, related industrial standards applied to the domestic hydraulic powered supports. The paper analyzed the certain conditions of the domestic sealing parts production method and market and discussed the management level of the seal industry. The paper provided the periodical revise on the sealing standards of the hydraulic powered supports. The implementation of the standards and the products inspection shall be enhanced. The management method and the standardized principle of the seal certification and the authorized inspection mechanism shall be established for the hydraulic powered support.%为提高液压支架密封的可靠性,介绍了国内外密封现状,列举了国内在液压支架上常用的密封结构、密封件类型、相关的行业标准,分析了国内密封件产品生产方法和市场的具体情况,探讨了密封行业的管理水平,提出了定期制定修改液压支架密封件标准的制定和修订、加强标准的实施和产品检验,建立液压支架密封件认证、授权检验机制的管理方法和规范原则.
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