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我公司是以生产巷道支护用钢绞线为主要产品的企业。长期以来一直没有符合矿山特殊要求的专用锚索,只能用目前建筑行业1×7结构预应力钢绞线来代替,由于煤矿深部开采存在着“三高一扰动”问题(高地压、高地温、高岩溶水压和强烈开采扰动),1×7结构已远不能满足煤矿深部支护的需要,从而制约了煤矿巷道支护技术的发展,严重威胁着安全生产。按照煤科总院提出“三高一低”的原则(高强度、高钢度、高可靠性、降低支护密度),我公司与煤科总院合作,引进关键设备技术并成功研制出了1×19φ28.6mm、φ21.8mm
Our company is based on the production of roadway support strand as the main product of the enterprise. For a long time, there has been no special anchor cable in line with the special requirements of mines. It can only be replaced by 1 × 7 structural prestressing strand in the construction industry at present. Due to the “three highs and one disturbance” problem in deep mining of coal mines (high pressure, High temperature, high karst water pressure and intense mining disturbance), 1 × 7 structure is far from meeting the needs of deep support in coal mines, thus restricting the development of mine roadway support technology and seriously threatening safety in production. According to the principle of “Three Highs and One Low” proposed by Coal Science and Technology Institute (high strength, high steel degree, high reliability and low support density), our company cooperated with Coal Science Institute to introduce key equipment technology and develop it successfully Out of 1 × 19φ28.6mm, φ21.8mm