齿轮

The main cooling system of the wind driven generator provided by the invention comprises a hydraulic pressure station heat exchanger, an electric generator heat exchanger, a gearbox heat exchanger, a gearbox temperature controlling valve, a generator temperature controlling valve, a main cooler and a cooling pump, wherein, the dimensional length of the cooling plate of the main cooler is 1 to 2 percent larger than the length of the original cooling plate, the thickness is 2 to 3 percent larger than that of the original cooling plate, and the width is not changed.

本发明的风力发电机主冷却系统，包括液压站热交换器、发电机热交换器、齿轮箱热交换器、齿轮箱温控阀、发电机温控阀、主冷却器和冷却泵，其中，所述主冷却器的散热板尺寸长度比原来散热板的长度大1％-2％，厚度比原来散热板的厚度大2％-3％，宽度不变。

A model is provided for simulating the bevel gear transmission system as concerning the time variant stiffness and bevel gears errors under static or cyclic loads.

齿轮传动过程中由于侧隙、齿轮误差等因素的影响往往会产生脱啮现象的发生，继而产生齿面的冲击。

Research has been done on the coupling form between the two-row planetary gear train and the shift restriction based on the matrix,and then the method of establishing mathematics model has been presented to analyze the planetary gear transmission using MATLAB.

在设计自动变速器时，总体结构方案主要由行星齿轮变速机构确定，因此，研究行星齿轮机构传动方案的结构特征，对其所有可能的方案进行分析，是理想的设计途径。

Research has been done on the coupling form between the two-row planetary gear train and the shift restriction based on the matrix, and then the method of establishing mathematics model has been presented to analyze the planetary gear transmission using MATLAB. The coupling-matrix, restriction-matrix and transmission matrix form the model. All coupling-matrices corresponding two kinds of the coupling form determine the planetary gear transmission model.

基于矩阵理论对双排行星齿轮变速机构的行星排之间联结、换挡约束进行研究，提出用联结矩阵、约束矩阵和传动矩阵构建数学模型并使用MATLAB进行传动分析的方法。2种方式的联结形式所对应的联结矩阵可以确定机构所有可能的结构型式，据此得到双排行星齿轮变速机构全部型式谱图。

For some time now, National By-products has been a user of SWEPCO 80/90 gear lube in the transmission, differentials and wheel hubs on our hauling vehicles.

最近， 国有副产品中在传播使用SWEPCO80/90齿轮润滑油，其使用在我们拖拉机的差动齿轮和轮毂。

Fluid power transmission gears and transmission gears in different pump chamber, which functions according to their own design and manufacture, so the pump has a higher reliability.

动力传动齿轮和流体输送齿轮处于不同的泵腔中，它们按照各自不同的功能设计制造，因此，泵有更高的可靠性。

Gear transmission is one of the mostly broad transmission methods, which is used in machine design applications.

摘 要 齿轮传动是机械设计中应用最广泛的一类传动方式，在各种机械设计过程中常常要用到针对齿轮的设计。

ABSTRACT Gear transmission system is one of the most important power and transmission forms for machinery and mechanical equipment.

齿轮系统是各种机器和机械装备中应用最为广泛的动力和传动形式之一，随着高速、重载齿轮传动的发展，对其动态特性的要求在不断提高，更为准确地预。。。

Planetary gear transmission, compared with ordinary gear, it has many unique advantages.

行星齿轮传动与普通齿轮相比较，它具有许多独特的优点。

At the same time we can add some other algorithms to further improve the design and analysis of the transmission gear.

同时在本论文算法的基础上我们还可增添一些别的齿轮设计方面的算法以进一步完善变速器齿轮设计与分析。

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。