查询词典 epicyclic gear

The graphic method could very visually reveal the relation between the efficiency of H typed closed epicyclic train and each related transmission ratio, thus laid a foundation for reasonably determining the structural type of this kind of gear train and taking this as a base to carrying on the optimization design.

曲线图法可以非常直观地揭示H封闭式周转轮系效率与各有关传动比之间的关系，为合理确定该种轮系的结构型式，并在此基础上进行优化设计奠定了基础。

The central gear in a epicyclic train .

本轮列车的中心齿轮。

The efficiency of an closed epicyclic gear train is analyzed by means of this formula, some of efficient curves are drawn, and an adequate selecting range of transmission ratio is found.

推导出了动力学模型中惯性元件、弹性元件和分支节点的动力学分析的数学模型，用传递矩阵法建立起封闭周转轮系动力学分析的数学模型。

Over the years,our company has become the outstanding supporting enterprise who producted the washing machine's epicyclic gear for the Litter Swan.

多年来，我公司已成为小天鹅股份有限公司专业生产洗衣机滚轮支架的优秀配套企业，其行星轮架的产量占居全国的80%并以其优良的品质称道。

Section AB Support bearing for central shaft combined with a friction-drive epicyclic speed reduction gear.

第抗体支持轴承中心轴结合的摩擦驱动行星减速齿轮。

It is an important but difficult job to compute the transmission ratio and the meshing efficiency of epicyclic gear trains.

周转轮系传动比与啮合效率(只考虑轮齿啮合摩擦损失)的计算方法卜3 J较多，但都比较沉繁。

Aim at twelve-bar kinematic chain with single joints,it combines topological graphs analysis with structure principle of mechanisms and method of innovative synthesis of epicyclic gear trains.

在将单铰运动链用于周转轮系创新综合方法的过程中，针对十二杆单铰运动链，将拓扑图分析和周转轮系创新综合的结构学原理及方法结合，得到了由十二杆单铰运动链生成的新型周转轮系的结构原型。

Closed epicyclic gear trains possesses many advantages such as light in weight, impact in structure, broad in speed ratio transmission, large in transmitting power and so on.

封闭周转轮系具有体积小，重量轻，结构紧凑，速比范围宽，传动功率大等优点，广泛应用于工程机械、纺织机械、矿山机械、火炮变速装置和机器人机构。。。

Based on predecessors research findings, the quality of different kinds of research techniques are compared and induced. Concerned with using graph to type and scale synthesis, topological graph based upon functional fractionation is presented, the combination, evolution and inversion regularities of epicyclic gear trains are researched in detail. The synthesis problems of general and overlapping EGTs are solved. The method may be applied into the innovation design of EGTs.

本文在前人的研究成果的基础上，比较归纳各种研究方法的优劣，考虑到将图应用于型综合和尺度综合两方面，提出基于功能离散法的拓扑图，深入研究周转轮系组合、演化、反演等规律，解决了一般和重叠式周转轮系的综合问题，可应用于周转轮系的创新设计。

Therefore, in this paper a new mechanics method is studied, i. e. a group of equations were set up and solved by the equilibrium conditions of the couple system. The transmission ratio and the meshing efficiency calculation formula were derived by this method. According to the law of conservation of energy. Hence then the above profound problems are analyzed and solved in a simple way. epicyclic gear train ; couple system ; transmission ratio ; meshing efficiency

故根据平面力偶系平衡条件可以很方便地推导出轮系传动比和啮合效率公式，与其它方法[卜3]不同之处还在于，本文根据能量守恒定律，不需分析啮合功率的流向，便可解决啮合效率的计算问题。1理论基础1.1基本周转轮系的力矩关系式图1为常用的2K—H型基本周转轮系，当轮系匀速转动工作时，根据受力平衡条件，作用在▲图l 2K_H基本轮系三个基本构件上的力偶矩应满足以下关系式[1]：兰=簇=撬㈤一1一涅稍一1一涅稍

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。