单体液压支柱组合式同轴密封研究

The single body fluid presses the research that pay pillar's seal completely

通过对我国煤矿高档普采工作面中单体液压支柱的使用现状及存在的问题分析。阐述了"组合式同轴密封"的设计思想、结构特点。达到了在高压动态、低压静态都能保证支护可靠性能指标,降低产品成本、维护方便目的。

Pass the usage present condition and existent problem analysises to the upscale of the our country coal mine adopt the work faces the medium single body fluid to press to pay the pillars. Elaborated the design thought,structure characteristics of seal completely with the stalk compound. Come to an and can guarantee to pay to protect the dependable function index sign in the high pressure dynamic state, low-pressure static states ,lower the product cost and support the convenient purpose.