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国际标准ISO610—1990和德国标准DIN22252—2001都是关于矿用高强度圆环链的标准。我国的矿用高强度圆环链国家标准GB/T12718—2001是在国际标准的基础上制定的。从20世纪90年代以来,煤矿井下使用的刮板输送机已有了很大的发展和改进,对所配用的矿用高强度圆
International standard ISO610-1990 and German standard DIN22252-2001 are all about mining high strength circular chain standard. China’s national mining ring with high strength national standard GB / T12718-2001 is based on international standards developed. Since the 1990s, the scraper conveyor used in coal mines has been greatly developed and improved, and the high strength round