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煤炭科学院于1983年10月在徐州矿务局召开了U型钢巷道支架GCH—400型液压成形机与GZH—200型液压整形机技术鉴定会。参加会议的有煤炭部技术发展司等34个单位,86名代表,唐山钢铁公司,攀枝花钢铁公司应邀参加了会议。煤科院常州科研试制中心介绍成形机及整形机设计研制情况,徐州、淮南矿务局作关于工业性试验情况的报告,并分别在现场进行操作表演。 U钢金属支架的研制及推广是煤矿支护的一项改革。1982年由国家经委安排下来研制任务。1982年5月常州科研试制中心设计研制,83年1月试制出样机2台,同年2月召开了出厂评议会,4月初开始工业性试验。经过半年
Coal Academy of Sciences in October 1983 in Xuzhou Mining Bureau held a U-beam roadway stent GCH-400-type hydraulic forming machine and GZH-200-type hydraulic plastic machine technical appraisal. Attending the meeting were 34 units, including the Ministry of Coal Technology Development Division, 86 representatives, Tangshan Iron and Steel Company and Panzhihua Iron and Steel Co., Ltd. were invited to attend the meeting. ASTRI Changzhou Research Center introduced shape forming machine and plastic machine design and development, Xuzhou, Huainan Mining Bureau for the report on the status of industrial tests, and were performed on-site performance. U steel metal stent development and promotion of a mine support reform. In 1982, the State Economic Commission arranged the task of development. In 1982 May Changzhou research and trial center design and development, trial production in January 83 prototype 2, the same year in February held a factory council, in early April began industrial tests. After six months