DN内注式单体液压支柱，手摇式单体液压支柱

<*n lang="EN-US" style="font-size:16.0pt;color:fuchsia">DN<*n style="font-size:16.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";color:fuchsia">内注式单体液压支柱，手摇式单体液压支柱

<*n style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";color:blue">关键词：<*n lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family: 宋体;color:blue;mso-font-kerning:0pt">DN28<*n style="mso-bidi-font-size: 10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:blue;mso-font-kerning:0pt">单体液压支柱，<*n lang="EN-US">DN25单体液压支柱，<*n lang="EN-US">DN31单体液压支柱，内柱式单体支柱，手摇单体支柱，外注式单体液压支柱，矿用内注式单体液压支柱<*n style="mso-bidi-font-size:10.5pt; font-family:宋体;mso-bidi-font-family:宋体;color:blue;mso-font-kerning:0pt">

<*n lang="EN-US">DN<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">型内注式单体液压支柱为恒阻式支柱，与金属铰接顶梁配合适用于煤矿一般机械化采煤工作面顶板的支护，也可用于综合机械化采煤工作面端头支护或临时支护。<*n lang="EN-US">

<*n lang="EN-US">DN<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">内注式单体液压支柱适用于煤矿回采工作面的顶板支护和端头顶板支护，由于其承载能力大、*偏载能力强、工作行程大、使用范围广，因而其可应用于薄煤层、中厚煤层及较厚煤层工作面。<*n lang="EN-US">

<*n lang="EN-US">DN<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">内注式单体液压支柱适用范围<*n lang="EN-US">

<*n lang="EN-US">1<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、煤层倾角：煤层倾角小于<*n lang="EN-US">20°<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">的缓倾斜回采工作面<*n lang="EN-US">,<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">采取一定安全措施后亦可用于倾角为<*n lang="EN-US">25°<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">～<*n lang="EN-US">35° <*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">的回采工作面。<*n lang="EN-US">

<*n lang="EN-US">2<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、高度：不大于支柱的****高度，即<*n lang="EN-US">DN18<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">型支柱****支撑高度为<*n lang="EN-US">1.8m<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，支撑高度变化范围一般为<*n lang="EN-US">1.3<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">～<*n lang="EN-US">1.8m<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">；<*n lang="EN-US">DN22<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">型支柱****支撑高度为<*n lang="EN-US">2.2m<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，支撑高度变化范围一般为<*n lang="EN-US">1.6<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">～<*n lang="EN-US">2.2m<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">等等。<*n lang="EN-US">

<*n lang="EN-US">3<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、支柱在承压过程中不应以支柱的中部作为推溜千斤顶的支点推溜；<*n lang="EN-US">

<*n lang="EN-US">4<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、在炮采工作面使用时，应采取措施****支柱的活柱表面被崩坏。<*n lang="EN-US">

<*n lang="EN-US">DN<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">内注式单体液压支柱工作原理<*n lang="EN-US">

<*n lang="EN-US">DN<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">内注式单体液压支柱工作液为<*n lang="EN-US">5<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">号液压油<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">回柱时油缸中液压油流回活柱内腔形成封闭式循环<*n lang="EN-US">;<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">不需要泵站和管路系统<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">配套设备少<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">成本低<*n lang="EN-US">; <*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">在没有电源和泵站的地方照样使用<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">灵活性大、管理方便、简单<*n lang="EN-US">; <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">由于工作液是封闭式循环<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">支柱回柱时液压油流回活柱内腔<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">实现支柱本身液压油的闭路循环<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">液压油消耗很少<*n lang="EN-US">; <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">支柱液压系统为闭式系统<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">液压油不外溢<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">不污染环境<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">有利于环保<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">并对工作面生产影响小<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">较好地保持了工作面环境<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">劳动条件较好<*n lang="EN-US">; <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">支柱的阀全部装在支柱内腔<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">受外界污染的可能性小<*n lang="EN-US">, <*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">可靠性高。<*n lang="EN-US">

<*n lang="EN-US">DN<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">内注式单体液压支柱常用型号

<*n lang="EN-US">DN31-160/90<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">单体液压支柱<*n lang="EN-US">

<*n lang="EN-US">DN28-200/90<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">内注式单体液压支柱，<*n lang="EN-US">

<*n lang="EN-US">DN25-250/90<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">单体液压支柱，<*n lang="EN-US">

<*n lang="EN-US">DN<*n style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">（<*n lang="EN-US">06<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">、<*n lang="EN-US">08<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">、<*n lang="EN-US">10<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、<*n lang="EN-US">12<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">、<*n lang="EN-US">14<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">、<*n lang="EN-US">16<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">、<*n lang="EN-US">18<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">）<*n lang="EN-US">-250/80<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">内注式单体液压支柱等。<*n lang="EN-US">

<*n lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体; color:blue;mso-font-kerning:0pt">DN28<*n style="mso-bidi-font-size: 10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:blue;mso-font-kerning:0pt">单体液压支柱，<*n lang="EN-US">DN25单体液压支柱，<*n lang="EN-US">DN31单体液压支柱，内柱式单体支柱

<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">联系人：周齐

<*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">电话：<*n lang="EN-US">18653676929

<*n lang="EN-US">Q Q<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">：<*n lang="EN-US">2971359172

<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">邮箱：<*n lang="EN-US">hdwdsbzq@163*

<*n lang="EN-US" style="font-size:16.0pt;font-family:宋体;mso-bidi-font-family:宋体;color:fuchsia; mso-font-kerning:0pt">