传动

1The structure and the transmission theory of end face harmonic gear drive of oscillating teeth are introduced, and the structure models which could be used are also designed in this paper.

本文主要进行了如下一些基础性的理论研究工作：（1）提出了活齿端面谐波齿轮传动装置的结构和传动原理；设计了各种可能用到的活齿端面谐波齿轮传动装置的结构型式。

This article embarks from complete bikes's performance, according to the fluid drive vehicles' characteristic, proposes the fluid drive vehicles drivetrain optimization match evaluating indicator.

本文从整车的性能出发，根据液力传动车辆的特点，提出液力传动车辆动力传动系统优化匹配的评价指标。

This paper has established the mathematical model of its optimal design for studying wet-field roller boat's gear transmission case.

为减轻机滚船质量、节约材料、降低生产成本，以机滚船齿轮传动箱为研究对象，建立了其优化设计的数学模型，在保证给定中心距和传递功率的条件下，合理选择齿轮传动参数，使传动箱的用料最少。

The transmission system has been improved in terms of previous transmission structure, which uses epicyclical train instead of the past structure in order to get high gear ratio.

本课题的传动部分，较传统的传动结构，做了一定的改进，就是改变了过去那种传动方式，通过采用行星轮系这种结构，很好的实现了较大的传动比。

Abrasive disk for accurately grinding TI worm,as well as grinding method similar to that for globoid worm or planer enveloping hourglass worm,is used to machine hourglass worm,making the TI worm match with the worm wheel which has the same tooth surface shape as that of abrasive disk,and thus forming a new-style worm gearing .

采用精确磨削TI蜗杆的砂轮，用类似直廓环面蜗杆或平面包络环面蜗杆的磨削方法加工环面蜗杆，使该蜗杆和齿面形状与砂轮曲面相同的蜗轮相配合，形成一种新型蜗杆传动，给出了这种传动蜗杆副齿面的数学模型，并通过计算机仿真得出了这种传动蜗轮齿面上接触线的形状及分布特征，初步分析了其啮合特点。

A face harmonic motion drive of separate tooth is a new form of utility model drive. It belongs to a structure of space active teeth drive.

散齿端面谐波齿轮传动是一种实用的新型传动方式，属于一种空间的活齿传动结构。

Presently, this new model drive has not been researched. Therefore, the basically theoretical research on the face harmonic motion drive of separate tooth and application is not only developed new type of active teeth drive but also has a definite theoretical significance and economic value.

目前，这种新型的传动方式国内外还没有进行研究，因此，关于散齿端面谐波齿轮传动的基础性理论研究和开发应用，不仅增加了活齿传动的类型，具有一定的理论意义，而且具有很好的应用前景和经济价值。

State-of-the-art about harmonic motion drive and active teeth drive at foreign and home is simply reviewed. Merits and faults are analyzed according to their structural compositions and features of drive.

文章简要地回顾了谐波齿轮传动和活齿传动的国内外发展现状，根据它们的结构组成及传动特点。

Mechanism synthesis ; harmonic drives ; mechanical drives

机构综合；波导传动；机械传动；行星传动

Aiming at different requirements for inexplicit transmission positions in V-cincture design described by some teaching materials and manuals, the paper pointed out that the design should be finished according to different mechanical transmission positions.

摘要针对一些教材、手册关于V带传动设计中传动位置要求不明确的问题，提出并分析了应根据机械传动不同的位置进行设计的观点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。