可牵引的

Rigid PVC pipe production line is mainly used in the manufacture of the plastic PVC pipes with various tube diameters and wall thickness in the aspects such as the agricultural and nonstructural plumbing, cable laying etc. Thin set is composed of the conical twin-screw extruder, vacuum forming table , dragger, cutter, stirring up rack etc. The screws extruder and the extractor adopt the imported AC frequency employ the superior goods. The prime mover has the traction modes such as to claw, three-claw and so on. It may choose the saw blade cutting type or the planet cutting type. It is additionally attached with measuring apparatus and the intensifying device. The unit is of the reliable performance and high production efficiency. This company may allocate the special installation for the manufacture of the inner wall spiral coil and core ply blister tube set according to the clients requirements.

硬质PVC 塑胶管材出产线主要有阿谁与出产农用给排水、建筑给排水、线缆铺设等方面的各类管径、壁厚的塑胶PVC管材，该机组由锥形双螺杆挤出机、真空定形台、牵引机、翻料架等构成螺杆挤出机及牵引机采用进***流变频调速设置，真空泵以及牵引机电均采用优质产品牵引有二爪、三爪、四爪、六爪等牵引体式格局可选用锯片或者行星切割形式，另可计长及增厚装置，机组机能可靠，出产效益高，本公司可更具客户的要求，配备布置专用装置出产螺旋消音管以及芯层发泡管机组

The present paper design content is the expandable belt feeding engine, is transmits the force of traction through between the transmission drum and adhesive tape's friction force, concurrently makes the hauling organization and the load bearing organization one kind by the adhesive tape for the material equipment, expands and contracts the arm rear part establishment to have the expandable hydraulic prop, causes the complete machine length nimble elongation or the reduction, between the supporting roller the included angle increases to causes the belt fastener inclination angle to be possible to amount to 25 degrees, has for estimates in a big way, the transportation is steady, the service is convenient, the area slightly and so on characteristics, brings conveniently to the load, can the widespread application in each kind of bulk collection and distribution center production scene.

本论文设计内容是可伸缩带式给料机，是通过传动滚筒与胶带之间的摩擦力来传递牵引力，以胶带兼作牵引机构和承载机构的一种给料设备，伸缩臂尾部设置有可伸缩的液压支柱，使整机长度灵活的伸长或缩短，托辊之间夹角增大可使皮带机倾角可达到25度，具有给料量大，运输平稳，维修方便，可多点卸料，占地面积小等特点，给装车带来方便，能广泛的应用于各种散料集散地的生产现场。

The present paper design content is the expandable belt feedingengine, is transmits the force of traction through between thetransmission drum and adhesive tape's friction force, concurrentlymakes the hauling organization and the load bearing organizationone kind by the adhesive tape for the material equipment, expandsand contracts the arm rear part establishment to have theexpandable hydraulic prop, causes the complete machine lengthnimble elongation or the reduction, between the supporting rollerthe included angle increases to causes the belt fastenerinclination angle to be possible to amount to 25 degrees, has forestimates in a big way, the transportation is steady, the serviceis convenient, the area slightly and so on characteristics, bringsconveniently to the load, can the widespread application in eachkind of bulk collection and distribution center productionscene.

本论文设计内容是可伸缩带式给料机，是通过传动滚筒与胶带之间的摩擦力来传递牵引力，以胶带兼作牵引机构和承载机构的一种给料设备，伸缩臂尾部设置有可伸缩的液压支柱，使整机长度灵活的伸长或缩短，托辊之间夹角增大可使皮带机倾角可达到25度，具有给料量大，运输平稳，维修方便，可多点卸料，占地面积小等特点，给装车带来方便，能广泛的应用于各种散料集散地的生产现场。

The SSE120 style safety construction lift is the freight vertical transporting equipment that's led by the double guide track framework wire rope. Introduced from the Machinery Researching Institute , the machine has good functions and suitable price, convenient to install, the machine has the whole set of safety instrument according to the state safety standard., safe for using, the framework use the steel adhering, automatic joint height, has large lift height, and can meet the demands of all kinds of industrial and civil construction, railway, highway. Especially the machine can reduce the driver's labor force and improve the working efficiency.

SSE120型安全施工升降机为双导轨架钢丝绳牵引的货用垂直运输设备，该机由我厂引进中国建筑研究院机械化研究所技术设计，其结构新颖，性能价格比高，安装方便，该机设有符合国家标准的全套安全装置，使用安全，架体采用钢性附着，自助接高方式，提升高度大，能够满足各类工业民用建筑及铁路，公路的高大桥墩等建筑施工的物料垂直提升要求，特别是对高层建筑施工可大大减轻司机的劳动强度，提高工作效率。

The SSE120 style safety construction lift is the freight vertical transporting equipment that's led by the double guide track framework wire rope. Introduced from the Machinery Researching Institute , the machine has good functions and suitable price, convenient to install, the machine has the whole setof safety instrument according to the state safety standard., safe for using, the framework use the steel adhering, automatic joint height, has large lift height, and can meet the demands of all kinds of industrial and civil construction, railway, highway. Especially the machine can reduce the driver'slabor force and improve the working efficiency.

SSE120型安全施工升降机为双导轨架钢丝绳牵引的货用垂直运输设备，该机由我厂引进中国建筑研究院机械化研究所技术设计，其结构新颖，性能价格比高，安装方便，该机设有符合国家标准的全套安全装置，使用安全，架体采用钢性附着，自助接高方式，提升高度大，能够满足各类工业民用建筑及铁路、公路的高大桥墩等建筑施工的物料垂直提升要求，特别是对高层建筑施工可大大减轻司机的劳动强度，提高工作效率。

Interfixational with miniature steel plate is a good method in treating median and inferior condylicus fracture, It is stable and practicable. It can avoid intermaxillary elastic traction or reduce traction time, it is good for joint function and structure to recover.

微型接骨板内固定是治疗髁状突中低位骨折的良好方法，固定稳定可靠，可免除颌间牵引或缩短颌间牵引的时间，有利于关节结构和功能的恢复。

Leashes come in a variety of styles, such as leather, nylon and retractable, and a in variety of lengths.

牵引带有很多种，比如说皮革的，尼龙的，可伸缩的，也有各种长度的。

The engine main circuit have to be gurranteed drawing the torque of electric motor and rotation speed wholly to do regulateing of independence ,But also possess extensive setting range SS7's mould electric locomotive adopts Quan Kongqiao and semi bridge accuseeing series connection to make up the monophase bridge style commutation electric circuit ,The coil power supply is encouraged against the stringtrain by the electric motor the drawing armature to 3 parallels operation ,Still there is an excitation commutation bridge ,He encourages the coil power supply with 3 electric motors drawing together to the series connection ,Moreover has one another accuses the regulating action .

机车主电路必须保证牵引电动机的转矩和转速都可作独立的调节，而且要有宽广的调节范围。SS7型电力机车采用一个全控桥和一个半控桥串联组成单相桥式整流电路，向3台并联工作的牵引电动机电枢与串励绕组供电，还有一个励磁整流桥，向串联在一起的3台牵引电动机他励绕组供电，并具有相控调节作用。可以实现机车无级调速和无级削磁。SS7型电力机车采用再生制动方式，再生制动时，牵引电动机作直流发电机工作，并且将电能馈送回接触网，此时电力机车相当于一个移动的发电站。

Leash 牵引带 Leashes come in a variety of styles, such as leather, nylon and retractable, and a in variety of lengths.

牵引带有很多种，比如说皮革的，尼龙的，可伸缩的，也有各种长度的。

Virtual Prototyping Technology in the field of engineering machinery can be applied: the crawler and wheeled vehicle stability, performance studies, hydraulic system, traction equipment performance prediction, bulldozers, excavators, forestry machinery, such as dynamic performance studies, spare parts and Engine load prediction and size determined, the driver field of vision research, prediction excavator needed to power, the efficiency of research, the reliability analysis.

虚拟样机技术在工程机械领域可应用的方面有：履带式和轮式车辆稳定性、操作性能研究，液压系统、牵引设备性能预测，推土机、挖掘机、林业机械等动态性能研究，零部件和发动机载荷预测与尺寸确定，驾驶员视野研究，预测挖掘机所需要的功率，工作效率研究，可靠性分析等。

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