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2HH-6环形轨道气动抓岩机是一机、冶金、煤炭三部立井掘进机械化科研配套会战项目之一,是由煤炭科学研究院上海研究所及其实验工厂在HH-6环形轨道气动抓岩机(已于1974年2月组织了技术鉴定)的基础上,为适应大型立井井筒掘进抓岩机械化而研制的。工业性试验表明,2HH-6环形轨道气动抓岩机运转正常,性能良好,主要技术指标达到了设计要求。 1976年6月27日至30日,煤炭部在山东邹县兖州煤炭建设指挥部科研所召开2HH-6环形轧道气动抓岩机技术鉴定会。煤炭部、一机
2HH-6 circular track pneumatic gravel catching machine is one machine, metallurgy, coal tunneling mechanized scientific research supporting one of the three batches of projects, by the Coal Research Institute of Shanghai Institute and its experimental plant in the HH-6 circular track pneumatic grasping rock Machine (already in February 1974 organized a technical appraisal) on the basis of, in order to adapt to the large shaft shaft excavation rock mechanized and developed. Industrial tests show that, 2HH-6 annular track pneumatic grabs operating normally, good performance, the main technical indicators have reached the design requirements. June 27, 1976 to June 30, the Ministry of Coal Mining in Zou County, Shandong Province Coal Research Institute held a 2HH-6 annular rolling pneumatic grasper technical appraisal meeting. Ministry of Coal, a machine