通过对行星传动机构的研究分析，说明其在采煤机及其他机械设备中的重要作用。
Through researches and analyses of planet transmission mechanism, this paper stories its important effects on every machinery equipment.
阐述了变频调速技术在采煤机中的应用，介绍了交流电牵引采煤机工作原理及发展趋势。
The paper discusses the application of conversion speed regulated technique in shearer. It also introduces working principle and developing tendency of the shearer with ac electric traction.
采用等离子束表面冶金技术，在采煤机截齿磨损严重的部位制备了与基材呈冶金结合的铁基复合涂层。
The Fe-based composite coatings were deposited on the attrition spot of cutting pick by plasma jet surface metallurgy, and metallurgical bonding was obtained between the coating and the substrate.
采煤机液压系统的可靠性和寿命，在很大程度上取决于液压油和液压元件的清洁度。
Shearer hydraulic system reliability and longevity, to a large extent depend on hydraulic oil and hydraulic components of the cleaner.
在分析了外设动力式采煤机锚链牵引特性的基础上，将其动力学模型简化为具有质量的弹簧—质量系统。
On the basis of analyzing traction property of anchor chain of the shearer operated by outside power, the kinetic model is simplified as spring_mass system with mass.
通过对MG 150pw极薄煤层采煤机的参数、结构设计原理进行分析，论述在极薄煤层开采中的发展前景。
Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winning machine. This paper discusses its developing vista in extremum thin seam mining.
滚筒是采煤机的重要工作机构，由于经济、环境等原因，在实际采煤机上实验研究滚筒受力不宜办到。
Drum shearer is the important work of institutions, as economic and environmental reasons, in actual experimental research shearer loading drum to be done.
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。
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.
研究采煤机在割煤落煤过程中，粉尘在综采工作面的沿程分布情况。
On-way distribution of dust in the full face mining was researched during the process of coal mining machine cutting coal.
在假设采煤机截齿为单自由度振动刚体的基础上，建立了采煤机截齿的动力学模型。
On the basis of the assumption that shearer pick is the single free degree vibration rigid body, the kinetic model of pick shearer is built.
简单分析煤矿井下采煤机在采煤过程中易出现的障与问题，并提出了解决办法。其次是对采煤机几个重要部位做好日常检修工作，以切实保障运行时不出现故障。
This paper briefly analyzed breakdowns and problems of mine shearer when it is working. Then it gives the solution that routine maintenance should focus on several important parts.
采煤机液压系统是采煤机的重要组成部分，采煤机的使用寿命和可靠性在很大程度上取决于液压系统的清洁度。
The shearer hydraulic system is an important part of the shearer. The service life and reliability of the shearer depend on the clean degree of hydraulic system in great extent.
对MG250/300-NWD型电牵引短壁采煤机，在大同进行工业性试验期间出现装煤效果差的原因进行分析，并提出改进建议。
The paper analyses poor loading effects of MG250/300-NWD electric-driven short-wall shearer during its testing period in Datong and puts forward the recommendations of improvement.
针对采煤工作面生产过程中出现的采煤机行走轮支撑座开焊故障 ，对在无法直接焊接又难以拆装的情况下采取的简易方法进行了叙述。
According to the cracking trouble of MDY-150 chainless haulage winning machine travel wheel's supporting base in working progress of working face, puts forward hanlding method.
针对采煤工作面生产过程中出现的采煤机行走轮支撑座开焊故障 ，对在无法直接焊接又难以拆装的情况下采取的简易方法进行了叙述。
According to the cracking trouble of MDY-150 chainless haulage winning machine travel wheel's supporting base in working progress of working face, puts forward hanlding method.
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