支承系统

Refer to the damage problem to the motor of C41-400 air hammer caused by driving system fault, an acknowledged improvement that is adding a V-belt driving into the system has been promoted with failure situations occasionally because of irrational supporting structures.

针对C41-400型空气锤由于传动系统故障而导致电动机损坏的问题，通常的改进方案是增加一级V带传动，但由于对改造中的支承设计不合理而失败的情况也时有发生。

A lighting appliance with a reduced encumbrance for industrial environments, comprising a head ( 11 ), equipped with an upper support ( 10 ) for hooking the appliance to the ceiling of an industrial warehouse or building in general, and two reflectors which can be disassembled from the appliance structure, one ( 13 ) above or inside the head ( 11 ), with a complex faceted optical system, and one ( 12 ) lower or outside the head ( 11 ), with a segmented geometry; a vertical regulation system of the lamp ( 15 ) of the lighting appliance allows the illuminating engineering characteristics of the appliance to be varied, obtaining different photometric conditions according to the distance of the lamp ( 15 ) from the work surface.

一种用于工业环境的减小体积的照明设备，包括：头部(11)，该头部装备有将照明设备钩在工业仓库或普通建筑天花板上的上部支承件(10)；和两个可以从设备结构中拆开的反光器，一个反光器(13)位于头部(11)的上面或内部，具有复杂的有小平面的光学系统，一个反光器(12)位于头部(11)的下面或外部，有球缺的几何形状；照明设备的灯泡(15)的垂直调校系统使得设备的照明工程特性根据灯泡(15)离工作表面距离变化，以获得不同的光度条件。

The method how to separate the radial jumpiness of the large shaft by three-point method to gain the round error in high precision is showed particularly. In the part of diameter measurement, this paper indicates how to standardize the photomicrosensor and shows the way how to use correction signal correct the measure error of the grating system which is used to measure the rotated angle of the wheel in detail.

文中详细论述了在圆度误差测量中，利用三点法分离大轴支承径向跳动引起的测量误差而获得高精度的圆度误差测量值的方法以及直径测量系统中，光电开关测量精度的标定方法和通过构建误差修正函数对实现滚轮转角测量的圆光栅系统的测量误差进行实时修正的方法。

It analyses the influence of support stiffness on critical speed and unbalance response and vibration characteristics of the spiral bevel gear train system.

讨论了支承刚度对系统临界转速及不平衡响应等振动特性的影响，得出一些规律性结论，用以指导齿轮传动系统的设计。

First, it is discussed about the relation between the dynamic stiffness submatrix of the supports system with variable stiffness and damping and the optimum output-feedback matrix when the rotor-supports system is governed by the optimum control laws.

本章进一步研究转子—轴承系统变刚度阻尼支承振动主动控制问题，提出了在最优振动主动控制规律的有效频率范围以外，对转子—轴承系统进行次优振动主动控制的策略思想。

A dynamic model for rotor-stator rubbing system of multilobe bearings which have a combined action of oil-film force, rubbing force and geometrical eccentricity between stator and bearing is put forward in this paper.

本文针对多油叶轴承支承的转定子碰摩系统，建立了当轴承与定子几何不对中时，油膜和碰摩联合作用下的转子系统动力学模型，探寻了该模型的数学求解方法。

Finally, the system is investigated experimentally under the theory guidance, and some conclusions, which are useful for engineering, are obtained. The results show that the squeeze film damper is very effective in preventing sub-synchronous and nonsynchronous operation, and the stability of the system can be improved greatly.

最后采用实验研究与数值计算相结合的方法，对挤压油膜阻尼器在滑动轴承支承的转子系统中的减振特性及提高系统运动稳定性的特性进行了深入地分析，并得出了一些对工程应用有意义的结论。

The rotor and its bearing, linked with small clearance restrict, makes up of the whole rotating system of unit power in ball pen production machine; its breakage and failure, first appear in the form of the failure of small clearance restrict, is caused directly by the unit vibration. Therefore, how to ensure good dynamic characteristics of rotating system is the thing worthy of note.

在多工位制笔机械的小动力头旋转系统中，转子与其支承之间是依赖小间隙约束而构成完整系统的，机组失效也总是最先表现在这类小间隙约束的破坏与失效上，而机组振动则是导致小间隙约束破坏的直接原因。

A finite element model of the rotor system with a disk located at one-third span of the shaft was presented to investigate the dynamic characteristics of a single-disk rotor system with the ends mounted on viscoelastic elastomeric dampers.

为了研究两端黏弹性橡胶阻尼器支承单盘转子系统的动力学特性，建立了轮盘位于1/3轴跨处的转子系统有限单元模型。

Including two set of systems, each contains one stepper motor, one lift measurement transducer, a supporting shaft for motor and transducer mounting, also a setting gauge for zero datum valve lift position.

包含两套系统，每套系统包括一个步进电机，一个升程传感器，一个支承轴用于支撑步进电机和传感器，同时还提供一个塞尺用于升程零位回复。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。