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- electrical haulage coal cutter 电牵引采煤机
- The paper introduced the application and practices of the electric magnetic speed control in the electric haulage coal shearer. 电磁调速在电牵引采煤机中的实际应用实践;
- The paper introduced the haulage speed regulating device of the electric magnetic speed regulating electric haulage coal shearer with MC68HC05B6 microcomputer. 摘要提出了基于单片微型计算机MC68HC05B6的电磁调速电牵引采煤机牵引调速装置。
- Research and Application of Electric Magnetic Speed Control for Electric Haulage Coal Shearer 电磁调速电牵引采煤机的研究与应用
- In this paper the development of MG300/720-AWD electrical haulage shearer and its industrial test in Majiliang Coal Mine(Datong) are discussed. 本文介绍MG300/720-AWD型电牵引采煤机的研发过程及其在大同马脊梁矿工业性试验的情况。
- They are trying their best to reactivate the old coal cutter. 他们正在尽最大的努力使这台旧截煤机重新运转。
- The new coal cutter revolutionized the coal industry in the 1980's. 新型割煤机使煤炭工业在20世纪80年代发生了革命性变化。
- electric haulage coal shearer 电牵引采煤机
- The feasibility of the ausforming used in producing coal cutter was reasoned. 论证了形变热处理工艺运用于截齿生产实际的可行性。
- This paper expounds the development history of the drum-type shearer, and analyzes the structure and technical features of electrical haulage shearer. 叙述了滚筒式采煤机的发展过程,分析了电牵引采煤机的结构和技术特征。
- With it, not only the technical performance of electrical haulage shearer is satisfied, but also the 1140V/380 transformer can be spared. 介绍一种采用1140V直接供电的开关磁阻电机调速系统,不仅满足电牵引采煤机的技术性能,还可节省机载的1140V/380V变压器,简化结构,提高可靠性。
- Fuzzy control was applied to speed regulation system of electrical haulage shearer directed at the characteristics of time-varying, nonlinear and uncertainty. 摘要针对采煤机控制存在的时变、非线性、不确定等特点,将模糊控制策略应用到电牵引采煤机调速系统中。
- This paper has a discussion on the dissipated heat, vibration proof and maintenance of variable frequency speed regulating device in AC electrical haulage shearer, and puts forward some basis of design and methods of maintenance. 分析了变频调速装置在交流电牵引采煤机上使用时关于散热、抗震和维护的几个问题 ,并提出一些设计的依据和维护的方法。
- For acquiring good properties of brazed joint of coal cutter,the effect of tempering temperature on microstructure and shearing strength of brazed joint was studied. 为提高采煤机用截齿钎焊接头的抗剪强度,研究了钎焊后回火温度对钎缝显微组织和剪切强度的影响。
- We have long-term cooperation with METSO, HAUHINCO for R&D of dumper and car loader hydraulic system engineering and coal cutter water hydraulic station. 长期与美卓(METSO)集团、天地科技股份有限公司、德国豪辛柯(HAUHINCO)等公司合作,进行翻车机、装车站液压系统工程和综采机水液压泵站的研发工作。
- Our coal cutters are very advanced in technology,aren't they? 我们的采煤机够先进的,对吧?
- This paper gives detailed and accurate analysis to hook gliding at heavy load for gantry crane with the basic principle of electric haulage. 文章运用电力拖动的基本原理对港口门机生产实际中出现的重载溜钩现象进行了详细准确的分析。
- The exposition about MG250/591-WD electric haulage shearer cutting motor constant-power control system guarantees the cutting motor to operate throughout nearby the rated power. 论述MG250/591-WD电牵引采煤机截割电机恒功率控制系统,确保截割电机始终工作在额定功率附近。
- Electrical Haulage Shearer with Frequency Conver sion 交流变频电牵引采煤机试验检测方法的研究
- cabtyre cables for high performance coal cutter 高性能采煤机橡套软电缆