查询词典 epicyclic gear train

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。

This is the cause of the low efficiency and even self-locking for this kind of epicyclic gear train.

同时，举例证明通过减小循环功率与输出功率的比值可以适当提高这种轮系的啮合效率，从而为这类轮系的改进和设计提出了一种新方法。

Epicyclic transmission ratio calculating basic approach is to reverse the law, that is, to the body plus a angular velocity, is the epicyclic gear train in the angular velocity of the tie bar.

周转轮系的传动比计算基本方法是反转法，即给整个机构加一个角速度，是周转轮系中系杆的角速度。

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。

By torque split method and combination of a full-toroidal variator, an epicyclic gear train and a fix-ratio gear, the full-toroidal traction IVT is capable of changing the reduction gear ratio up to plus infinite or minus infinite.

摘要牵引式全环面无限变速器是采用转矩分流方法，把全环面可变耦合器与行星齿轮机构及定速比齿轮机构结合起来，其减速比可以达到正无穷和负无穷，即变速时输出轴可以由正转经零转到反转，因而命名为无限变速器(Infinitely Variable Transmission，简称IVT)。

By each gear wheel system is a fixed geometric axis is divided into a fixed axis and the epicyclic gear train, epicyclic gear train again planetary gear train and differential gear train.

按轮系中各齿轮的几何轴线是否固定分为定轴轮系和周转轮系，周转轮系又有行星轮系和差动轮系。

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。