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ZZM8-12型钻装锚机组具有钻炮孔、装载矸石和打锚杆支护孔的功能。它适合于井下8～12m~2断面岩石平巷的掘进施工,也可用于冶金、铁路、国防、水利等部门的井巷隧道施工。此机组由湖南省煤矿基本建设公司和湘潭煤矿机械厂联合研制成功的。1985年3～9月在江苏省煤炭基本建设公司第一工程处施工的马坡矿进行了工业性试验。37人组成的掘进队达到月进尺百米的水平(最高月进尺102m),月平均掘进工效达每312.31m~3。1985年11月9日煤炭部技术司、基建司组织了产品鉴定。鉴定指出:它“是加快岩巷掘
ZZM8-12 type drilling anchor unit has drill hole, loading waste rock and bolt support hole function. It is suitable for 8 ~ 12m ~ 2 downhole rock roadway tunneling construction, can also be used for metallurgical, railway, national defense, water conservancy and other departments of the tunnel tunnel construction. This unit by the coal mine construction company in Hunan Province and Xiangtan coal mine machinery plant jointly developed. From March to September 1985, an industrial experiment was carried out at Mapo Mine, which was constructed by the First Engineering Department of Jiangsu Province Coal Capital Construction Corporation. The excavation team of 37 persons reached the level of 100 meters per month (the maximum monthly footage was 102m), and the average monthly boring work efficiency reached 312.31m ~ 3. On November 9, 1985, the Technical Department of the Ministry of Coal and Infrastructure Department organized the product appraisal. Identification pointed out: It is "to speed up the rock tunnel digging