查询词典 contact rail

The guard rail has many kinds of explanations, may be in the industry uses, uses in protecting the industrial equipment, the facility, these guard rails are very generally solid, the material request is also quite strict; We refer to generally the guard rail is the guard rail net, generally is the wire netting wall, yesterday I have gone to a Yantai some work site dewatering excavation scene, located at the inhabited area, the construction road section is mainly some large-scale freight vehicles and the resident passes through, although the project is the seal construction, only passes through for the pedestrian, also has displayed the project notice board in the work site east side, but nearby the deep two meter big hole pit several simple guard rails, between the guard rail only some warning line a little truly cannot only be justified.

提示： 您现在查看的是分类妈妈关于烟台护栏的信息，如果您不满意，请登录咨询建议留言，让我们共同打造港城新媒体！烟台分类妈妈消息，今天一尾号是9820的网民来电说想告诉大家一条关于烟台护栏的相关信息：护栏有多种解释，可以是工业上用的，用于保护工业设备、设施，这些护栏一般很结实，材料要求也比较严格；我们一般指的护栏是护栏网，一般为铁丝网墙，昨天我去了一趟烟台某工地的排水工程现场，位于居民区，施工的路段主要是一些大型货车和居民通行，虽然工程为封闭施工，仅供行人通行，也在工地的东侧摆上了工程公告牌，但深两米的大坑坑边仅有几个简易的护栏，护栏间仅有一根警戒线确实有点说不过去。以上就是这位热心的朋友为大家介绍的关于烟台市护栏的相关问题的相关信息，希望烟台市民能够满意加喜欢，以下是简单的英文介绍希望老外朋友们也喜欢

Include the following types:(1) check value car, for the railway Vehicles weighing, the actual track is a kind of moving in large weights;(2) Power generation car, the car has a small power station, they can always call on the railway line on the power supply;(3) gauge inspection vehicles, for inspection and verification of railway bridges, tunnels and other large buildings close to the limits in order to determine the safety of vehicles;(4) test cars were equipped with test equipment, used to measure and record rolling stock and railway line performance parameters;( 5) The rescue vehicles, for the train accident occurs, clear the line obstructions and incidents from re-rolling stock;(6) LTL office vehicles for the LTL freight train crew members, escort personnel work and rest;(7) Ballast cars transport and shop for the construction of lines unloading ballast;(8) long rail vehicles for the transport of long rail or recycle that old rail;(9) snow vehicles, clear the rail line, the snow outside.

包括以下几种类型：（1）检衡车，供铁路车辆称重用，实际是一种可在轨道上移动的大砝码；（2）发电车，车内设有小型电站，可随时调用于铁路线路上供电；（3）限界检查车，用于检查和核对铁路桥梁、隧道等大型建筑物的接近限界，以确定车辆通过的安全性；（4）试验车，车上装有试验设备，用于测量和记录机车车辆和铁路线路的性能参数；（5）救援车，用于列车运行发生事故时，清除线路障碍物和起复事故机车车辆；（6）零担办公车，供零担货物列车乘务人员、押运人员工作和休息；（7）石碴车，用于修建线路运送和铺卸石碴；（8）长钢轨车，用于载运长钢轨或回收旧钢轨；（9）除雪车，清除线路钢轨内、外侧积雪。

Dynamic interaction of wheel-rail is studied by using DSAS software when Blue-Arrow power car, trail car,"SS8" locomotive and passenger car with "209" bogies pass through a curve with severe rail oblique crack in Guang-Shen railway, respectively. Results of the above cases are compared and analyzed. Based on these results, effect of track structure parameter and train speed on dynamic interaction of wheel and rail in curve track is discussed, and a set of synthetic and effective technology measure which eliminates or releases rail oblique crack is put forward, The results can be expected to provide theoretic basis and guidance for engineering practice.

运用DSAS软件，研究了&蓝剑&动车组动车、拖车、&SS8&机车和209转向架客车通过广深线某钢轨斜裂纹重伤曲线的轮轨动态相互作用，并对几种车型的计算结果进行了比较和分析；在此基础上，讨论与分析了轨道结构参数及行车速度对曲线轨道的轮轨动态相互作用的影响，从而提出了一套综合有效的抑制或减轻钢轨斜裂纹的技术措施，以期为工程实际提供理论依据和指导。

When the rolling stock from the Road for A shares, B shares, mechanical manipulation Switch to track mobile location Tsim Sha Tsui, a sharp rail tracks of a basic paste, pointed out the basic two-track rail 2, and this opened the B-share Road, Road closure of the A-shares, locomotives and rolling stock into the link of the rail along the curve of the transition to lead Frog and their rail unit.

当机车车辆要从A股道转入B股道时，操纵转辙机械使尖轨移动位置，尖轨1密贴基本轨1，尖轨2脱离基本轨2，这样就开通了B股道，关闭了A股道，机车车辆进入连接部分沿着导曲线轨过渡到辙叉和护轨单元。

Railway hardware and equipments: all kinds of clip、washers、No.70 rail spike、fi shplate、 anti-loo sen nuts、rail anchor、rail brace、 track jack、torsional spanner, all kinds of screw spike、timber drive spike、rail bolt、fish bolt、type T bolts and other railway parts

国内外铁路及五金器材：各类型号弹条、弹垫、挡板、70型道钉、鱼尾板、防松螺母、防爬器、轨撑、起轨器、防松螺帽专用扭力扳手等器材，各类螺纹道钉、麻花道钉、轨道螺栓、鱼尾螺栓、T型螺栓、等铁路标准件。

Cross sector seamless line, namely rail bar, rail bar and rail switch direct welding; the vertical force and displacement are direct transmitted between rail bars.

跨区间无缝线路，即轨条与轨条、轨条与道岔直接焊接，轨条之间直接传递纵向力和位移。

Aiming at the engineering problem that K welding machine is used to weld PD3 60kg/m rail during welding production at present, the quality of the joint falls short of the standard of TB/T1632-91 because of the objection of grey-spots in the welding joint, this paper analyses the element which influence the welding joint quality in detail from the stability of flash of the accelerating step of the rail, finds out the relationship between the stability of flash-butt welding and the quality of rail joint, provides the measure for controlling the quality of rail welding and some gist for establishing perfect controlling system of welding joint quality

针对目前焊轨生产中采用K型焊机焊接PD3 60kg/m钢轨，接头灰斑缺陷多，性能难以达到部颁标准要求的工程问题，对材质、焊接电压、焊接工艺对接头质量的影响进行研究，并从钢轨焊接加速烧化阶段的闪光稳定性入手，详细分析了影响接头质量的因素，找出了钢轨闪光焊稳定性与质量的关系，提出了控制钢轨焊接质量的措施，为建立完善的焊接质量控制体系提供了依据。

First, this article introduced 2 grade of rotary kiln principle of work and the equipment, to rolled the circle mechanics behavior to carry on the analysis, proposed - rolled the circle - under roller's rotary kiln overall modelling based on the tube body - kiln liner - big tooth ring, to rolled the circle - under roller's contact stress to carry on the finite element analysis the method, and obtained rolled the circle contact stress the size and the distribution rule, finally indicated that rolled the circle contact stress mainly to have two main peak values and the sudden change in one week, appeared is rolling the circle and the under roller contact area; Then, rolls the circle the stress to regard as is the principal stress unknown plane stress test, the use quite mature modern test technology, proposed rolls the circle stress test the principle and the plan, and to rolled the circle the stress to carry on the scene test, the stress which the scene test analysis result and the finite element analysis calculated has compared, had proven the whole method modelling's finite element analysis method's rationality and rolled the circle - under roller contact stress the result accuracy; Finally, uses ANSYS APDL the re-development technology, in view of 2 grades of rotary kilns, rolled the circle - under roller contact stress the overall finite element analytic method to carry on the re-development.

首先，本文介绍了2档回转窑工作原理和装置，对滚圈的力学行为进行了分析，提出了基于筒体-窑衬-大齿圈-滚圈-托轮的回转窑整体建模，对滚圈-托轮的接触应力进行有限元分析的方法，并得到了滚圈接触应力的大小和分布规律，结果表明滚圈接触应力在一周内主要存在两个主要的峰值和突变，都出现在滚圈与托轮接触区域；然后，把滚圈的受力看成是主应力未知的平面应力的测试，利用比较成熟的现代测试技术，提出了滚圈应力测试的原理和方案，并对滚圈的应力进行了现场测试，现场测试分析结果与有限元分析计算出的应力相比较，证明了整体法建模的有限元分析方法的合理性和滚圈-托轮接触应力的结果的正确性；最后，利用ANSYS的APDL的二次开发技术，针对2档回转窑，就滚圈-托轮接触应力的整体有限元分析法进行了二次开发。

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温州市巨星银联系有限公司是国内专家电触头材料的公司，集生产，研究和销售*****位于温州，一个充分的性质县宝藏和永远都不会改变我们的路线，利用和*****六类和1000的产品，如铆钉接触，摇臂联系，复合带，粉末冶金联系，异型复合接点，银合金丝etc.which包括低压电器，电子，通讯，消费电子产品，军事，等等。

Some experts and scholars with Kalker as a representative have contributed a lot to the development of wheel/rail rolling contact theory. But their theory hasn't broken the limit of Hertz contact conditions and elastic-half-space assumption, which cannot be used to make further investigation in the problem of, complicated wheel/rail reaction.

以Kalker为代表的国内外专家学者为轮轨滚动接触理论的发展做出了巨大的贡献，但他们的理论至今未突破Hertz接触条件和弹性半空间假设，无法对复杂的轮轨作用问题作进一步的研究。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。