齿轮

The invention relates to big scale low speed heavy loading gear box failure diagnostic method.

一种大型低速重载齿轮箱故障诊断的方法，属于大型低速重载齿轮箱故障诊断领域。

In turn, the structure is usually the biggest limit to be considered 70~80Hz using oil lubricant, under continuous operation at low speed to gear damage.

在齿轮的结构上通常可考虑70~80Hz为最大极限，采用油润滑时，在低速下连续运转关系到齿轮的损坏等。

Above all, the meaning and value of the paper are as follows. By using FEM the stress of 3D finite model is analyzed. The trend of stress in different parts of the tooth is got and questions about the intensity of the loxodrome normal circular-arc spiral bevel gear are answered. Results of this paper give the important bases for applying the new gear into practice.

综上所述，本论文的意义与价值在于：应用有限元所提供的平台，对新型齿轮进行三维有限元的应力分析，得到该齿轮副在实际载荷下各部分应力变化规律，从工程角度回答了斜航式法向圆弧螺旋锥齿轮的强度特性等问题，为其技术实现提供重要依据。

A revolving lunette controlled by gear on main shaft allows the lip to pass; a continuous gear train operates the valve.

周转lunette控制的齿轮对主井，使唇通过；连续齿轮火车运营阀。

Introduces the effect of tangent directional synthetic tolerance in driving to long-periodic error,and how to diminish maximal rotation angle tolerance in order to improve stationarity and drive accuracy that gear wheels move.

介绍齿轮切向综合误差在传动中对长周期误差的影响，减小最大转角误差，提高齿轮运动的平稳性和传动精度。

Equipped with compound gearing consisting of 2 pinions and 2 wheels in mesh to increase the mechanical advantage.

装有两个小齿轮和两个轮子啮合在一起的复合齿轮装置，以此提高机械效率。

The concept of optimum monitoring symptom set, as well as the information integration monitoring method of principal components are put forward. The monitoring frame of information decomposition for gearboxes is presented.

齿轮箱是机组最基本的组成部分，论文第四章分别从信息集成及分解两个方面，研究了机组齿轮箱状态的监测。

This paper illustrates the processing art method of the hard gear wheel with big modulus in accordance with the mill wheel machine equipment in our factory and analyzed the big modulus gear wheel .

针对我厂现有磨齿机的设备和对特大模数齿轮参数分析制定出特大模数硬齿轮加工工艺方法。

The effects of meshing phase on natural frequency and vibration mode of planetary gears were analyzed.

对行星齿轮传动的固有特性进行了研究，分析了啮合相位差对行星齿轮传动的固有频率和振动模态的影响。

This design firstly fixed on design scheme and selected basic components, and besides, developed the reliability analysis of transmission system. The design of MG300/701-WD Shearer's cutting unit. It is made up of a gearbox and moderate breeze gear wheel transmission that the MG300/701-WD type mining machine cuts the cutting department, Cut the electrical machinery of cutting department and put to fix up horizontally in the rocker arm, The power that the motor outputs leans on a round of transmission of department of gear wheel and planet round via the tertiary straight tooth, Urge the cylinder to rotate finally.

本文首先确定了设计方案和选择了基本部件并开展了传动系统的可靠性分析，MG300/701-WD型采煤机截割部主要是由一个减速箱和四级齿轮传动组成，截割部电机放在摇臂内横向布置，电动机输出的动力经由三级直齿圆拄齿轮和行星轮系的传动，最后驱动滚筒旋转。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。