阻尼器

Wantong Wenzhou Pump Co., Ltd., is a professional engaged in the production of fuel injector, tappet, up tight, and the damping plate, rocker arm, such as auto parts companies, in particular fuel injector technology, our company through years of research and exploration A number of technical personnel through the above efforts do not try and experiment, and finally mastered the production of fuel injector technology and methods.

温州市万通泵业有限公司，是一家专业从事生产喷油嘴，挺杆，涨紧器，阻尼板，摇臂等汽车配件的公司，尤其是喷油嘴技术，我公司经过多年的研究和探讨，通过多位技术人员的不段努力尝试和实验，终于掌握了制作喷油嘴的技术和方法。

In the last few years, researches the problem of the underwater sail machine's sound have been common, the content of the research is very extensive, including the modeling, method of its solution, frequency curve, the wave's property in spreading, the syntonic frequency and the damp material on such coupling system.

近几年，水下航行器的声振一直是国际上研究的热点，研究的内容非常广泛，其中涉及这类耦合系统的建模、求解方法、频散曲线与传播波性质、外激励下的共振频谱及阻尼材料降噪等。

The distribution of gear's contact stress, root stress, and contact engagement line in the engagement situation of gear pairs, were obtained on the base of explicit integration method. 3. Adopting the method of system matrix, the torsional vibration differential equation of general shafting was gained. The simple harmonic forms of excitation torque under the normal combustion or piston flameout of in-line engine and v-type engine were analysed. The decoupled algorithm of free vibration and forced vibration and the solution to the vibration damper's energy of resistance and the off-resonance calculation were studied. The sensitivity formulations of the natural frequency and vibration mode to physical parameters of system were derived by solving the eigenvalue problem. These sensitivity formulations provided the theoretical base for the dynamic modification of structure.

运用系统矩阵法建立了轴系的扭振微分方程，并对直列和V型发动机在正常发火和气缸熄火工况下的激振力矩进行了详细的简谐分析；基于精确方法推导了自由振动和强迫振动的解耦算法，给出了能量法计算中的减振器阻尼功求解和非共振计算方法；并研究了曲轴系扭振非线性分析中的变惯量问题，得到了单缸转动惯量的精确求解公式以及变惯量和固有频率的关系式；最后，从特征方程和振型正交性出发，推导了固有频率和振型对轴系转动惯量和刚度等物理参数的灵敏度，为扭振系统的结构动力学修改提供了理论基础。

The vibration absorbers with hysteretic restoring forces are widely used in the engineering to reduce the vibration of structure.

迟滞阻尼减振器以其卓越的性能在工程的减振、降噪中得到了广泛的应用。

Under the condition of knowing trolly"s relation datas, the wire rop-load modle taking its load as the study object, using D"Alembert"s Principle and Hybrid method, solves out the mathematical expression of wire rop"s traction while settig the hiost speed; The elctronic motor-drum modle"s build up is attracted to the elctronic motor"s torque, and combines with the wire rop traction"s role on drum, only pay attation to the coupling"s flexibility and damping, which is between the elctronic motor and the reducer. The theory of transmission equations establishment is in Project Vibration.

钢丝绳—吊重模型是在小车运行机构的相关数据均已知的情况下，以吊重为研究对象，利用达朗伯原理和动静法，在假定起升速度已知后求解出钢丝绳牵引力的表达式；电动机到卷筒部分的模型则是建立在电动机输入转矩形式已知的基础上，结合钢丝绳牵引力作用在卷筒上的工作阻力矩，只考虑电动机与减速箱之间的联轴器的弹性阻尼，利用工程振动原理建立传动方程。

A turnable damping was designed , and based on these, the road tests were done, analytical study on vibration performances of passenger seat were carried out, and the results were accordant.

在可调减振器的设计基础上，分别对车辆阻尼优化前后进行了试验，分析了车身与驾驶员座椅处的振动特性，计算与试验基本吻合。

In order to reduce timely and effectively the vibration under the condition of different frequency, the paper describes an ER isolator, whose stiffness is invariable and damp is adjustable, prosecutes semi-active control.

为了适时、有效减少其在各种频率下的振动，本文采用了一种刚度不变、阻尼可调的电流变隔振器进行半主动控制。

Rased on practice conditions, both the dynamic characterization of motor vehicle under random forces exciting of the ground state and methods by using damping vibration control are investigated in this paper.

研究车辆行驶过程动力特性，结合实际条件，给出了车辆弹簧―尼减振器减振效果的阻尼调置方法。

The importance of studying water hammer pressure of a throttle valve is presented in allusion to that throttle slices of shock absorbers are easy to be out of order under wallops from different road surfaces.

针对车用减振器受地面瞬态冲击阀门容易失效的特点，提出了研究阻尼阀水击压强的重要性。

In the fourth paragraph, how the theory of the damping to forging hammer foundation advances at home and abroad, the research and application of the implement for damping to forging hammer, the structure of damping to forging hammer and the calculation methods for forging hammer foundation vibration system, which are used at home nowadays, are particularly introduced.In the fifth paragraph, aiming at direct damping under anvil block of forging hammer, the author bases a mechanics model of two-degree with damping, and optimizes the vibration parameters both in frequency field and in time field, then finds out the new simple method of optimizing the vibration parameters of the damping device under anvil block of forging hammer.

第五章针对锻锤砧下直接支承式减振基础，建立了锻锤减振系统的二自由度有阻尼振动力学模型，然后用傅立叶变换法求出振动传递率的频率关系，用直接积分法求出砧座和基础位移的时域响应，并分别对频域函数和时域函数进行参数优化，最终建立起频率函数—时域函数—优化参数间的相互关系，从而找到了锻锤砧下隔振器参数优化的简便新方法。

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。