等轴的

Focused on many problems existing in pressure control system of drilling pipe friction welding,such as high failure rate and poor amenability,the basic principles of friction welding and electro-hydraulic proportional technique were briefly described.

针对焊接钻杆连续驱动摩擦焊机采用开关阀组成压力控制系统存在故障几率高、可控性差等问题，将电液比例控制技术应用在摩擦焊压力控制中，实现了摩擦焊轴向压力闭环控制、滑台进给速度的开环控制；可对摩擦焊机主轴速度、轴向压力、轴向缩短量、主电机电流、油温等进行实时检测。

Methods: The sign object was put at each acromial end and clavicle end of normal acromioclavicular joint. And then acromioclavicular joint was tested the locations in abducetion+superduct 、 endoduction 、 anteflexion 、 post-extention 、 external and interior rotation by using 3D- laser scanning camera .Computer calculate the rotation of the two sign objects in x 、 y 、 z axis(x delegate clavicle axis,y delegate coronal section ,z delegate sagittal axis).

通过在正常活体肩锁关节的锁骨端及肩峰端分别安装一个激光照相扫描仪的探测端子，3D-激光扫描相机扫描肩关节在做前屈+上举，后伸，外展，内收，外旋及内旋等不同位置下两端子的位置，通过计算机计算出两端子在X、Y、Z轴（X轴代表锁骨的长轴，Y轴为冠状面与X轴垂直轴，Z轴为矢状轴）上的旋转情况。

We provide you with a variety of coupling: a patch-coupling, 2 drum gear coupling, three teeth coupling, 4-pin set of flexible couplings, 5-swelling connection kit, 6 Snake Spring couplings, coupling flanges 7, 8 radial button rigid couplings, coupling shell folder 9, 10-pin flexible couplings, 11-pin flexibility of the tooth - Axis, the Plum Blossom 12-coupling, 13 tire coupling, 14 Cross Coaxial universal joint, slider coupling 15, 16 roller chain coupling, and other non-standard coupling and inverse Only, Clutch, and other transmission equipment.

我们为您提供的联轴器品种有： 1 膜片联轴器、2 鼓形齿联轴器、3 齿式联轴器、4 弹性套柱销联轴器、5 胀紧联接套、 6 蛇形弹簧联轴器、7 凸缘联轴器、8 径向键刚性联轴器、9 夹壳联轴器、 10 弹性柱销联轴器、11 弹性柱销齿式联轴器、12 梅花型联轴器、13 轮胎式联轴器、 14 十字轴式万向联轴器、 15 滑块联轴器、16 滚子链联轴器等其它非标联轴器和逆止器、超越离合器等传动设备。

Seven types of dimetric drawing and three types of trimetric drawing are introducedby the author with an aim to help hasten the shift of the principles derived from varioustypes of dimetric and trimetric projections from the theoretical approach to the field ofpractical use,and to alleviate the embarrassing situation that only the simple methodscan be resorted to in drawing the pictorial projections by isometric drawing and cabinetdrawing.

为了使各种形式的正二测和正三测从理论研究转向实际应用，克服长期来人们在绘制轴测图时，多数只能采用正等测和斜二测等单调情况，以及提高绘图速度，本文推荐采用七种正二测和三种正三测，并设计一套绘制这十种正轴测的专用工具--轴测多角比例尺。本文提出一套近似作这十种正轴测坐标面上椭圆的方法和数据，使其既简便又准确。

Our company specializes in manufacturing precision slender axis oil tanks and so on, using precision cold drawing, grinding and polishing high-precision manufacturing of advanced technology, the technical indicators are in line with and exceeded the national standard, can be used directly in the fuel tank, cylinder piston rod, and is widely used in hydraulic pneumatic, textile printing and dyeing, printing guide, die-casting machines, injection molding machine guide; fax machines, copiers, high-speed mimeographs, printers and other modern office machines and other precision guided fine-axis major axis for the parts industry and products.

我公司专业生产精密细长轴油缸等，采用精密冷拔、精磨和高精度抛光的先进工艺制造，各项技术指标均符合并超过国家标准，可直接用于油缸、气缸活塞杆，并广泛应用于液压气动、纺织印染、印刷机导轨、压铸机、注塑机导杆；传真机、复印机、高速油印机、打印机等现代办公机械导轴等一些精密细长轴为部件的行业和产品。

The Company is a professional production of long-term flexible coupling, gear-type coupling, flange coupling, coupling roller, slider coupling the main processing unit, my plant has a processing center, CNC Lathe , wire-cutting and all kinds of ordinary cars, milling, planing, grinding and other medium-sized processing equipment totaling more than 30 Units, or in the area of 1500 square meters, and its predecessor was the Wuhan plant, subordinate units of vehicles engaged in precision machining for decades, its technical strong, the company will not only provide high-quality machining products, but also provide a comprehensive service, from product design, processing, manufacturing, packaging, transportation and other integration services, our constant self-perfection, technology continues to improve, put all the targets set up at "Customers are our God" on the basis points.

本公司是一家长期专业生产弹性联轴器、齿型联轴器、凸缘联轴器、滚子联轴器、滑块联轴器为主的加工单位，我厂拥有加工中心，数控车床，线切割及各类普通车、铣、刨、磨等中型加工设备共计三十多台，占在面积1500平方米，其前身是武汉车辆厂的下属单位，从事精密加工数十年，其技术力量雄厚，公司不仅提供品质卓越的机械加工产品，更提供全面周到的服务，从产品设计、加工制造，包装运输等一体化服务，我们不断的完善自我，技术不断提高，把一切目标都建立在"客户是我们的上帝"的基点上。

The structure brief introduction the dense thick liquid pump of one stud of i-1b s series is formed by four parts electromotor , shaft coupling , pump and bases motive force joining in marriage usefulness uses y s series asynchronous electromotor of three-phase the shaft coupling uses the water pump with the paw mould elasticity shaft coupling the pump by the pump shell , become hollow inside axle and universal twists joints and winds axle , stud , bush and axle seal and package places and goes out the material mouth etc and forms , and the section of stud is the oval for round and bush section , and his interior surface is the duplexing spirals faces .

结构简介 i-1b系列单螺杆浓浆泵由电动机、联轴器、泵和底座四个部分组成。配用的动力采用y系列三相异步电动机。联轴器采用水泵用爪型弹性联轴器。泵由泵壳、空心轴、万向绞接头、绕轴、螺杆、衬套、轴封装置和出料口等组成，螺杆的断面为圆形、衬套断面为椭圆形，其内表面为双螺旋面。

The Company is a professional production of long-term flexible coupling, gear-type coupling, flange coupling, coupling roller, slider coupling the main processing unit, my plant has a processing center, CNC Lathe , wire-cutting and all kinds of ordinary cars, milling, planing, grinding and other medium-sized processing equipment totaling more than 30 Units, or in the area of 1500 square meters, and its predecessor was the Wuhan plant, subordinate units of vehicles engaged in precision machining for decades, its technical strong, the company will not only provide high-quality machining products, but also provide a comprehensive service, from product design, processing, manufacturing, packaging, transportation and other integration services, our constant self-perfection, technology continues to improve, put all the targets set up at "Customers are our God" on the basis points.

本公司是一家长期专业生产弹性联轴器、齿型联轴器、凸缘联轴器、滚子联轴器、滑块联轴器为主的加工单位，我厂拥有加工中心，数控车床，线切割及各类普通车、铣、刨、磨等中型加工设备共计三十多台，占在面积1500平方米，其前身是武汉车辆厂的下属单位，从事精密加工数十年，其技术力量雄厚，公司不仅提供品质卓越的机械加工产品，更提供全面周到的服务，从产品设计、加工制造，包装运输等一体化服务，我们不断的完善自我，技术不断提高，把一切目标都建立在&客户是我们的上帝&的基点上。

The main products for a variety of claw-type couplings, flexible set-pin couplings, nylon-pin couplings, flange coupling, multiple-lengthening coupling, rigid couplings, the cross slider Shaft, Plum coupling, as well as by coupling a mechanical pump, swelling the production of 20 sets of several series, thousands of specifications.

主要产品为各种爪型联轴器、弹性套柱销联轴器、尼龙柱销联轴器、凸缘联轴器、多节式加长联轴器、刚性联轴器、十字滑块联轴器、梅花联轴器，以及各种泵用机械用联轴器等，生产的胀紧套有二十几个系列，上千种规格。

The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.

本文研究的主要内容如下：通过大量的计算、分析和对比，总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同，为深入了解异形截面柱的特点提供必要的基本概念和数据；通过大量的弹性及弹塑性计算分析，在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下，在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律，并在此基础上总结归纳出异形柱结构的最大适用高度规定，可用于规程，以便于在确定方案时起到宏观控制的作用；对肢长与肢厚比在4～5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨，提出初步的设计方法；通过对典型工程的弹塑性动力时程分析，检验异形柱结构的薄弱层及屈服、破坏、倒塌机制，以达到建筑物大震不倒的抗震设防要求；通过理论分析，推导出异形柱结构自振周期，以及适宜自振周期、适宜刚度的工程实用简化计算公式，为经济、安全、合理地确定结构方案提供简便实用的方法；在本文理论分析、计算以及大量的研究成果基础上，总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容，并在此基础上提出异形柱结构的抗震设计建议。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐