论文部分内容阅读
为适应采掘工业发展的需要,湘潭风动机械厂研制了YYT30型支腿式液压凿岩机(外观见图1),于1983年先后在湖南某大理石矿和某铅锌矿进行了工业性试验,并对整机作了性能测定,证明各项技术指标达到了设计要求。
In order to meet the needs of the development of the extractive industry, Xiangtan Pneumatic Machinery Factory developed the YYT30 hydraulic hydraulic rock drill (see Figure 1). In 1983, it carried out industrial tests on a certain marble mine and a lead-zinc mine in Hunan. The performance of the whole machine was measured to prove that the technical indicators have reached the design requirements.