WO2016119509A1 - 动车组的电缆过桥安装结构 - Google Patents

动车组的电缆过桥安装结构 Download PDF

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Publication number
WO2016119509A1
WO2016119509A1 PCT/CN2015/094560 CN2015094560W WO2016119509A1 WO 2016119509 A1 WO2016119509 A1 WO 2016119509A1 CN 2015094560 W CN2015094560 W CN 2015094560W WO 2016119509 A1 WO2016119509 A1 WO 2016119509A1
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WIPO (PCT)
Prior art keywords
cable
bridge
mounting
structure according
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2015/094560
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English (en)
French (fr)
Inventor
赵刚
贾亚丽
李文彪
鄢桂珍
张方涛
梁建英
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201520061801.9U external-priority patent/CN204415386U/zh
Priority claimed from CN201510042114.7A external-priority patent/CN104608776B/zh
Application filed by CRRC Qingdao Sifang Co Ltd filed Critical CRRC Qingdao Sifang Co Ltd
Priority to TR2017/05297A priority Critical patent/TR201705297T1/tr
Publication of WO2016119509A1 publication Critical patent/WO2016119509A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details

Definitions

  • the invention relates to the technical field of motor trains, in particular to a cable bridge installation structure applied to an electric train.
  • Standard EMUs place high demands on the safety and reliability of rail vehicles.
  • the high-voltage cable of the roof of the adjacent vehicle body needs to be equipped with a high-voltage cable joint and a bridge connection structure to meet the needs of the EMU grouping and de-editing.
  • a mounting box for installing a cable joint is usually provided at the end of an adjacent vehicle body, and a high-voltage connection between the vehicle bodies is realized by connecting cables between the two cable joints.
  • the rail vehicle with the traditional technology installs the roof equipment directly on the roof, and the bridge cable between adjacent vehicles has a vertical bending, but for the EMU with a speed of more than 300 km, if still used
  • the vehicle is subjected to a large wind resistance while traveling, and the bridge cable between the vehicle bodies is also affected, and is easily deflected or broken.
  • the object of the present invention is to provide a cable bridge installation structure of an EMU, which can reduce the aerodynamic drag and noise of the EMU operation and meet the safety and reliability of the EMU operation.
  • the present invention provides a cable bridge installation structure of an EMU.
  • Two mounting boxes are respectively disposed at adjacent ends of two adjacent vehicle bodies and embedded in the roof recess of the vehicle body; and the cable fittings are installed in the two mounting boxes;
  • Corresponding positions of the ends of the two bodies are respectively provided with end openings of a predetermined width
  • the bridge cable is located between the outer windshield and the inner windshield, and is horizontally disposed;
  • Both of the end openings are provided with a support portion for supporting the bridge cable, and the support portion is provided with a wear plate.
  • the cable bridge installation structure provided by the invention can reduce the aerodynamic drag and noise during operation of the EMU, and meet the operational safety and reliability of the EMU.
  • the installation box for installing the cable joint adopts a submerged design structure, and the roof of the vehicle body is provided with a recess for inserting the installation box, thereby avoiding the convexity of the installation box and the roof design, and the vehicle can be greatly reduced.
  • the high-voltage connection between the two compared with the background art, the cable bridge installation structure can meet the design requirements of the standard EMU.
  • the bottom of the installation box is provided with a mounting seat, the bottom of which has a sliding slot, and has a hoist hole for the fastener to penetrate, and the hoist hole penetrates with the sliding slot;
  • the cable joint has a mounting hole through which the fastener passes, and the mounting hole corresponds to a small hole position of the hoist hole.
  • the mounting hole corresponds to a small hole position of the hoist hole.
  • a mounting pad is further disposed between the mounting seat and the cable connector.
  • the bridge cable is provided with a wear sleeve corresponding to the position of the support portion.
  • the wear sleeve has a slit for disassembly, and the opening of the slit faces upward.
  • the bridge cable is further provided with a rubber corresponding to the position of the support portion, and the rubber is located inside the wear sleeve.
  • the bottom of the mounting box is inclined downward toward the end of the vehicle body; the mounting surface of the mounting seat is horizontally disposed.
  • a cable clamp is disposed at a position where the bridge cable is connected to the first joint.
  • the installation box is provided with a box opening, so that the second joint of the cable joint is connected with the cable connector in the vehicle body; the box opening is provided with a sealing member.
  • Figure 1 is a front elevational view of the cable bridge mounting structure provided by the present invention.
  • Figure 2 is a plan view of Figure 1;
  • Figure 3 is an A-A arrow view of the cable clamp of Figure 1;
  • FIG. 4 is a schematic structural view of a joint portion of the bridge cable and the wear sleeve of FIG. 2;
  • Figure 5 is a view taken along line C-C of Figure 4.
  • Figure 6 is a right side view of the left cable joint of Figure 1;
  • Figure 7 is a B-B arrow view of Figure 2;
  • Figure 8 is a partial enlarged view of the portion D of Figure 2.
  • Mounting box 10 mounting seat 11, chute 11a, hoist hole 11b, cable joint 12, first joint 121, second joint 122, mounting plate 13, fastener 14, bridge cable 15, cable clamp 16, seal Item 17;
  • Support portion 20 wear plate 21, wear sleeve 22, slit 22a, rubber 23, cable tie 24;
  • the vehicle body 30, the outer windshield 31, and the inner windshield 32 are connected to the vehicle body 30, the outer windshield 31, and the inner windshield 32.
  • the core of the invention is to provide a cable bridge installation structure of an EMU, which can reduce the aerodynamic drag and noise of the EMU operation and meet the safety and reliability of the EMU operation.
  • FIG. 1 is a front view of a cable bridge mounting structure provided by the present invention
  • FIG. 2 is a top view of FIG.
  • the cable bridge installation structure of the EMU includes two mounting boxes 10 respectively disposed at adjacent ends of two adjacent vehicle bodies 30; the two mounting boxes 10 are submerged design structures, that is, in the vehicle body 30.
  • the roof of the roof is provided with a recess in which the mounting box 10 is embedded.
  • a cable connector 12 is mounted in both mounting boxes 10.
  • the cable joint 12 is generally L-shaped and has a first joint 121 and a second joint 122.
  • the corresponding positions of the ends of the two bodies 30 are respectively provided with end openings of a predetermined width.
  • the first joints 121 of the two cable joints 12 respectively correspond to the end opening positions of the respective vehicle bodies 30.
  • One end of the bridge cable 15 is connected to the first joint 121 of a cable joint 12, and the other end thereof is sequentially passed through the end openings of the two adjacent vehicle bodies 30 to be connected to the first joint 121 of the other cable joint 12.
  • the predetermined width of the end opening needs to satisfy the space occupied by the bridge cable 15 during the deflection, so as to ensure that no adverse effects such as abrasion resistance are generated between the relevant components.
  • the bridge cable 15 is located between the outer windshield 31 and the inner windshield 32 and is horizontally disposed.
  • the bridge cable 15 has a flexing section, which can be understood with reference to FIG. 2, that is, the bridge cable 15 is unlikely to be located between the vehicle bodies 30. Straightening requires a flexible part.
  • the horizontal setting of the bridge cable 15 means that the flexure sections of the bridge cable 15 are at the same horizontal plane and are not pulled vertically.
  • the mounting box 10 of the cable joint 12 adopts a submerged structure, which can effectively reduce air resistance and airflow noise when the EMU is traveling at a high speed, and at the same time, the bridge cable 15 is placed between the outer windshield 31 and the inner windshield 32, and horizontally
  • the utility model can reduce the influence of the wind resistance on the bridge cable 15 and reduce the risk of the bridge cable 15 being excessively flexed or broken, thereby ensuring the high voltage connection between the vehicle body 30; it can be seen that the cable bridge installation structure can improve the operation of the EMU Safety and reliability meet the design needs of standard EMUs.
  • FIG. 3 is a view of the cable clamp of FIG. 1 taken along the line A-A.
  • a cable clamp 16 is provided at a position where the bridge cable 15 is connected to the first joint 121.
  • the cable clamp 16 is arranged to secure the bridge cable 15 on the one hand and the bridge cable 15 on the other hand, providing conditions for the horizontal setting of the bridge cable 15.
  • the cable clamp 16 is fixed to the bottom of the installation box 10 by a clamp, and the cable clamp 16 includes two clamps. After the two clamp bodies clamp the bridge cable 15, they can be fastened by bolts.
  • the flexible section of the bridge cable 15 is a portion between the two cable clamps 16.
  • the portion should satisfy the two workshops of the EMU operation. Relative displacement and requirements for passing curves.
  • the end portions of the two body bodies 30 are each provided with a support portion 20 for supporting the bridge cable 15, and the support portion 20 cooperates with the aforementioned cable clamp 16 to ensure the horizontality of the bridge cable 15.
  • the bridge cable 15 between the two supporting portions 20 is still in a floating state, it is difficult to ensure that the bridge cable 15 is strictly horizontally disposed in actual setting, it can be understood that when the horizontal setting of the bridge cable 15 exists When there is a certain deviation, it can also reduce the wind resistance it receives, and reduce the risk of excessive deflection or being broken. Considering the influence of factors such as the actual setting deviation, the bridge cable 15 mentioned in the text is horizontally arranged, and its meaning allows a certain amount of deviation in addition to the absolute level.
  • a wear plate 21 is disposed on the support portion 20, and the wear plate 21 has a small friction coefficient and self-lubrication.
  • the bridge cable 15 can be flexed due to actual needs.
  • the friction between the bridge cable 15 and the support portion 20 is reduced to extend the working life of the bridge cable 15.
  • the wear sleeve 22 is placed at a position corresponding to the support portion 20 of the bridge cable 15 to prevent the bridge cable 15 from directly contacting the wear plate 21 and improving the safety of the bridge cable 15 to work.
  • the wear sleeve 22 can be provided as a rubber sleeve with high reliability and low cost.
  • wear-resistant sleeves made of other materials can also be used.
  • the rubber 23 is also provided at a position where the bridge cable 15 corresponds to the support portion 20, and specifically, the rubber 23 is located inside the wear sleeve 22. That is, the rubber 23 is first wrapped at the corresponding portion of the bridge cable 15, and then the wear sleeve 22 is placed.
  • the provision of the rubber 23 can further protect the bridge cable 15 and improve the reliability and safety of the flexing motion of the bridge cable 15.
  • the wear sleeve 22 Since the wear sleeve 22 is only disposed at the position corresponding to the support portion 20 of the bridge cable 15, the wear sleeve 22 can be configured as a non-sealing structure. When the bridge cable 15 is installed, the wear sleeve 22 is covered at the corresponding position. This avoids the misalignment of the wear sleeve 22.
  • FIG. 4 is a schematic structural view of the joint portion of the bridge cable and the wear sleeve of FIG. 2;
  • FIG. 5 is a view taken along line C-C of FIG.
  • the wear sleeve 22 is covered, so as to avoid the displacement of the wear sleeve 22, the wear sleeve 22 can be tied with the tie 24 after the coating.
  • the wear sleeve 22 Since the wear sleeve 22 is not sealed, the wear sleeve 22 is covered to form a slit 22a. As shown in FIG. 7, the opening of the slit 22a may be upwardly disposed, and after being installed, The slit 22a is filled with a sealant to further ensure the sealing and reliability of the bridge cable 15 at the position.
  • FIG. 6 is a right side view of the left cable joint of FIG.
  • the second connector 122 of the cable connector 12 is for connection with a cable connector within the vehicle body 30, such that a cabinet opening is required to be provided on the wall of the mounting box 10 for connection therebetween.
  • the cable connector in the vehicle body 30 is generally large in size, it needs to be assembled in the vehicle body 30 with the corresponding device, and then inserted into the mounting box 10 to be connected to the second connector 122. Therefore, the box opening is required. The size is large to ensure that the cable connector of the interior 30 can pass through.
  • a seal 17 is provided at the opening of the box to ensure sealing of the high voltage cable, improving safety and reliability.
  • the seal 17 can be made of a Roxtec seal to ensure sealing performance.
  • other seals can be used in practice as long as the sealing performance can be ensured.
  • FIG. 7 is a view taken along line B-B of FIG. 2;
  • FIG. 8 is a partial enlarged view of a portion D of FIG.
  • the bottom of the mounting box 10 is provided with a mounting seat 11 having a sliding groove 11a at the bottom thereof and a hoist hole 11b through which the fastener 14 is inserted.
  • the hoist hole 11b penetrates the sliding groove 11a.
  • the cable connector 12 has a mounting hole through which the fastener 14 is inserted, the mounting hole corresponding to the small hole position of the hoist hole 11b.
  • the fastener 14 is specifically a bolt and a nut that mates with the bolt.
  • the inverted bolt ie, the head of the bolt facing down
  • slide the bolt into the small hole of the hoist hole 11b to define the mounting position of the bolt.
  • the small hole size of the hoist hole 11b is smaller than the head of the bolt, and Fitted with the screw of the bolt.
  • the cable connector 12 is placed on the mounting seat 11. During this process, the mounting hole of the cable connector 12 is aligned with the screw, the screw is passed through the mounting hole, and finally the nut is tightened to fix the cable connector 12 to the cable connector 12. Mounting seat 11.
  • the manner of installing the cable joint 12 at the bottom of the mounting seat 11 to install the cable joint 12 can minimize the installation height of the cable joint 12, thereby reducing the height of the casing of the mounting box 10, and reducing the mounting box 10 of the submerged structure. The impact on the body 30 itself and other equipment.
  • a mounting pad 13 may be provided between the mount 11 and the cable joint 12.
  • the bottom of the mounting box 10 is inclined downward toward the end of the vehicle body 30, so that the accumulated water inside the mounting box 10 can flow to the end of the vehicle body 30 and be discharged through the end opening.
  • the mounting surface of the mounting seat 11 is horizontally arranged to prevent the cable joint 12 from tilting to affect the relevant components.
  • An access cover can be provided on the top of the mounting box 10 for inspection operations. For specific settings, it is possible to set a larger size access cover to facilitate the installation of the various components of the installation box 10 and the grouping and uncompilation operations of the EMU.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

一种动车组的电缆过桥安装结构，包括两个安装箱（10），分设于相邻两车体（30）的相邻端部，并嵌置于所述车体（30）的车顶凹槽；两所述安装箱（10）内均安装有电缆接头（12）；两所述车体（30）的端部的对应位置分别设置有预定宽度的端部开口；过桥电缆（15），其两端分别穿过两个所述端部开口与两所述电缆接头（12）的第一接头（121）连接；所述过桥电缆（15）位于外风挡（31）和内风挡（32）之间，并水平设置。该安装结构能够降低动车组运行的气动阻力和噪声，满足动车组运行的安全性和可靠性。

Description

动车组的电缆过桥安装结构
本申请要求于2015年01月27日提交中国专利局、申请号为201510042114.7、发明名称为“动车组的电缆过桥安装结构”的中国专利申请的优先权，以及要求于2015年01月27日提交中国专利局、申请号为201520061801.9、发明名称为“动车组的电缆过桥安装结构”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及动车组技术领域，特别是涉及一种应用于动车组的电缆过桥安装结构。
背景技术
随着轨道交通的发展，标准动车组的设计已成为趋势。标准动车组对轨道车辆的安全性和可靠性均提出了较高的要求。
相邻车体的车顶高压电缆在车间需要设置高压电缆接头及过桥连接结构，以满足动车组编组和解编的需求。
目前，通常在相邻车体的端部设置安装电缆接头的安装箱，通过在两电缆接头之间连接电缆，以实现车体间的高压连接。采用传统技术的轨道车辆，将车顶设备直接安装于车顶，且相邻车体间的过桥电缆在竖向上存在弯曲，但是，对于车速达到300公里以上的动车组来说，如果仍旧采用上述结构，车辆在行驶时会受到很大的风阻，且车体间的过桥电缆也会受到影响，容易挠曲过度或被拉断。
基于此，如何改进动车组的电缆过桥安装结构，以降低动车组运行的气动阻力和噪声，提高动车组运行的安全性和可靠性，是本领域技术人员目前需要解决的技术问题。
发明内容
本发明的目的是提供一种动车组的电缆过桥安装结构，该安装结构能够降低动车组运行的气动阻力和噪声，满足动车组运行的安全性和可靠性。
为解决上述技术问题，本发明提供一种动车组的电缆过桥安装结构， 包括：
两安装箱，分设于相邻两车体的相邻端部，并嵌置于所述车体的车顶凹槽；两所述安装箱内均安装有电缆接头；
两所述车体的端部的对应位置分别设置有预定宽度的端部开口；
过桥电缆，其两端分别穿过两个所述端部开口与两所述电缆接头的第一接头连接；所述过桥电缆位于外风挡和内风挡之间，并水平设置；
两所述端部开口处均设置有支撑所述过桥电缆的支撑部，所述支撑部上设置有耐磨板。
本发明提供的电缆过桥安装结构能够降低动车组运行时的气动阻力和噪声，满足动车组运行安全性和可靠性。具体地，本方案中，安装电缆接头的安装箱采用沉入式设计结构，车体的车顶设置有嵌装安装箱的凹槽，避免了将安装箱凸出车顶设计，能够大幅降低动车组高速行驶时的空气阻力和气流噪声；同时过桥电缆设置于内外风挡之间，并水平设置，能够减少过桥电缆受风阻的影响，减小挠曲过度或被拉断的风险，保障车辆间的高压连接；与背景技术相比，该电缆过桥安装结构能够满足标准动车组的设计需求。
可选地，所述安装箱的底部设置有安装座，其底部具有滑槽，并具有供紧固件贯穿的葫芦孔，所述葫芦孔与所述滑槽贯通；
所述电缆接头具有供紧固件贯穿的安装孔，所述安装孔与所述葫芦孔的小孔位置对应。
可选地，所述安装孔与所述葫芦孔的小孔位置对应。
可选地，所述安装座和所述电缆接头之间还设置有安装垫板。
可选地，所述过桥电缆对应于所述支撑部的位置套装有耐磨套。
可选地，所述耐磨套具有拆装用的缝隙，所述缝隙的开口朝向上方。
可选地，所述过桥电缆对应于所述支撑部的位置还套装有胶皮，所述胶皮位于所述耐磨套的内侧。
可选地，所述安装箱的底部朝所述车体的端部向下倾斜；所述安装座的安装面水平设置。
可选地，所述过桥电缆与所述第一接头连接的位置设置有电缆夹。
可选地，所述安装箱上开设有箱体开口，以便所述电缆接头的第二接头与所述车体内的电缆连接头连接；所述箱体开口处设置有密封件。
附图说明
图1为本发明所提供电缆过桥安装结构的正视图；
图2为图1的俯视图；
图3为图1中电缆夹的A-A向视图；
图4为图2中过桥电缆与耐磨套配合部位的结构示意图；
图5为图4中C-C向视图；
图6为图1中左侧电缆接头的右视图；
图7为图2中B-B向视图；
图8为图2中D部位的局部放大图。
图1-8中：
安装箱10，安装座11，滑槽11a，葫芦孔11b，电缆接头12，第一接头121，第二接头122，安装垫板13，紧固件14，过桥电缆15，电缆夹16，密封件17；
支撑部20，耐磨板21，耐磨套22，缝隙22a，胶皮23，扎带24；
车体30，外风挡31，内风挡32。
具体实施方式
本发明的核心是提供一种动车组的电缆过桥安装结构，该安装结构能够降低动车组运行的气动阻力和噪声，满足动车组运行的安全性和可靠性。
为了使本技术领域的人员更好地理解本发明方案，下面结合附图和具体实施方式对本发明作进一步的详细说明。
请参考图1和图2，图1为本发明所提供电缆过桥安装结构的正视图；图2为图1的俯视图。
该实施例中，动车组的电缆过桥安装结构包括两安装箱10，分别设于相邻两车体30的相邻端部；两安装箱10为沉入式设计结构，即在车体30 的车顶设置凹槽，将安装箱10嵌置于该凹槽内。
两安装箱10内均安装有电缆接头12。
具体的方案中，电缆接头12大体呈L形，具有第一接头121和第二接头122。
两车体30的端部的对应位置分别设置有预定宽度的端部开口。
两电缆接头12的第一接头121分别与各自所在车体30的端部开口位置对应。
过桥电缆15的一端连接一电缆接头12的第一接头121，其另一端依次穿过两相邻车体30的端部开口，与另一电缆接头12的第一接头121连接。
所述端部开口的预定宽度需满足过桥电缆15在挠曲时占用的空间，确保相关部件之间不产生磨抗等不良后果。
过桥电缆15位于外风挡31和内风挡32之间，并水平设置。
为满足动车组运行时，车体30间相对位移及通过曲线的要求，过桥电缆15具有挠曲段，可参考图2理解，也就是说，过桥电缆15在车体30间不可能处于绷直状态，需要有可挠曲的部分。
这里，过桥电缆15水平设置是指过桥电缆15的挠曲段处于同一水平面，不会在竖向上耷拉。
如上，电缆接头12的安装箱10采用沉入式结构，能够有效降低动车组高速行驶时的空气阻力和气流噪声，同时，过桥电缆15置于外风挡31和内风挡32之间，并水平设置，能够减少风阻对过桥电缆15的影响，降低过桥电缆15挠曲过度或被拉断的风险，保障车体30间的高压连接；可见，该电缆过桥安装结构能够提高动车组运行的安全性和可靠性，满足标准动车组的设计需求。
请一并结合图3，图3为图1中电缆夹的A-A向视图。
具体地，过桥电缆15与第一接头121连接的位置设置有电缆夹16。
电缆夹16的设置一方面可以固定过桥电缆15，另一方面支撑过桥电缆15，为过桥电缆15的水平设置提供条件。
电缆夹16通过夹座固定于安装箱10的底部，电缆夹16包括两个夹本 体，两个夹本体夹持过桥电缆15后，可以通过螺栓紧固。
参考图2，由于电缆夹16的夹持，实际中，过桥电缆15的可挠曲段为两个电缆夹16之间的部分，在实际设置时，该部分应满足动车组运行时两车间相对位移及通过曲线的要求。
参考图1，两车体30的端部开口处均设置有支撑过桥电缆15的支撑部20，支撑部20与前述电缆夹16共同作用可确保过桥电缆15的水平性。
这里需要指出的是，由于两支撑部20之间的过桥电缆15仍处于悬空状态，实际设置时很难确保过桥电缆15严格地水平设置，可以理解，当过桥电缆15的水平设置存在一定偏差时，同样能够减小其受到的风阻，降低挠曲过度或被拉断的风险。考虑到实际设置偏差等因素的影响，文中提及的过桥电缆15水平设置，其含义除了包括绝对水平外，还允许有一定的偏差量。
进一步地，在支撑部20上设置有耐磨板21，耐磨板21具有摩擦系数小和自润滑性，如此，当动车组运行时，过桥电缆15因实际需要做挠曲运动时，可以减小过桥电缆15与支撑部20之间的摩擦，延长过桥电缆15的工作寿命。
更进一步地，在过桥电缆15对应于支撑部20的位置套装耐磨套22，避免过桥电缆15直接与耐磨板21接触摩擦，提高过桥电缆15工作的安全性。
具体地，耐磨套22可以设置为橡胶套，可靠性高且成本较低。当然，实际设置时，也可选用其他材质制成的耐磨套。
更进一步地，在过桥电缆15对应于支撑部20的位置还套装有胶皮23，具体地，该胶皮23位于耐磨套22的内侧。即，先在过桥电缆15的对应部位包裹胶皮23，再套装耐磨套22。
胶皮23的设置可以进一步地保护过桥电缆15，提高过桥电缆15挠曲运动的可靠性和安全性。
由于只在过桥电缆15对应支撑部20的位置设置耐磨套22，所以耐磨套22可以设置为不封口结构，当安装过桥电缆15后，再在相应位置包覆耐磨套22，如此可避免耐磨套22的设置错位。
请一并结合图4和图5；图4为图2中过桥电缆与耐磨套配合部位的结构示意图；图5为图4中C-C向视图。
如图所示，过桥电缆15的外周包裹胶皮23后，再包覆耐磨套22，为避免耐磨套22移位，包覆后可用扎带24将耐磨套22系住。
由于耐磨套22为不封口结构，所以，耐磨套22包覆后形成缝隙22a，如图7中所示，具体设置时，可使该缝隙22a的开口朝向上方，安装后，可在该缝隙22a灌装密封胶，以进一步确保该位置过桥电缆15的密封性和可靠性。
请一并结合图6，图6为图1中左侧电缆接头的右视图。
电缆接头12的第二接头122用于与车体30内的电缆连接头连接，从而，需要在安装箱10的箱壁上开设箱体开口，以供两者连接。
由于车体30内的电缆连接头尺寸通常都较大，需要先在车体30内与相应设备组装好后，再穿入安装箱10内与第二接头122连接，所以，所述箱体开口的尺寸较大，以确保车内30的电缆连接头能够穿过。
进一步地，在所述箱体开口处设置有密封件17，以确保对高压电缆的密封，提高安全性和可靠性。
具体的方案中，密封件17可以采用洛克赛克(Roxtec)密封件，以保障密封性能。当然，实际中也可采用其他密封件，只要能够确保密封性能即可。
下文说明电缆接头12在安装箱10内的具体安装方式。请一并参考图7和图8，图7为图2中B-B向视图；图8为图2中D部位的局部放大图。
安装箱10的底部设置有安装座11，该安装座11的底部具有滑槽11a，并具有供紧固件14贯穿的葫芦孔11b，该葫芦孔11b与滑槽11a贯通。
电缆接头12具有供紧固件14贯穿的安装孔，所述安装孔与葫芦孔11b的小孔位置对应。
紧固件14具体为螺栓和与所述螺栓配合的螺母。
安装电缆接头12时，先将倒置的螺栓(即螺栓的头部朝下)放入葫芦孔11b的大孔中，并使螺栓滑入葫芦孔11b的小孔内，限定螺栓的安装位置。显然，为了卡置螺栓，葫芦孔11b的小孔尺寸小于螺栓的头部，并可 与螺栓的螺杆适配。
螺栓安装到位后，将电缆接头12放置于安装座11，在此过程中，电缆接头12的安装孔与螺杆对齐，使螺杆穿过安装孔，最后旋紧螺母，即可将电缆接头12固定于安装座11。
上述在安装座11底部设置滑槽11a安装电缆接头12的方式，可以最大程度地降低电缆接头12的安装高度，从而减小安装箱10的箱体高度，减小沉入式结构的安装箱10对车体30本身及其他设备的影响。
为了确保电缆接头12与安装座11之间的接触面积，即承压面积，可以在安装座11和电缆接头12之间设置安装垫板13。
此外，安装箱10的底部朝车体30端部向下倾斜设置，如此，安装箱10内部的积水可流向车体30端部，并通过端部开口排出。
当然，在此基础上，应当确保安装座11的安装面水平设置，避免电缆接头12倾斜影响相关部件。
安装箱10的顶部可以设置检修盖，以便检修操作。具体设置时，可以为设置较大尺寸的检修盖，方便安装箱10各部件的安装及动车组的编组和解编操作。
以上对本发明所提供的动车组的电缆过桥安装结构进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (9)

  1. 动车组的电缆过桥安装结构，其特征在于，包括：
    两安装箱(10)，分设于相邻两车体(30)的相邻端部，并嵌置于所述车体(30)的车顶凹槽；两所述安装箱(10)内均安装有电缆接头(12)；
    两所述车体(30)的端部的对应位置分别设置有预定宽度的端部开口；
    过桥电缆(15)，其两端分别穿过两个所述端部开口与两所述电缆接头(12)的第一接头(121)连接；所述过桥电缆(15)位于外风挡(31)和内风挡(32)之间，并水平设置；
    两所述端部开口处均设置有支撑所述过桥电缆(15)的支撑部(20)，所述支撑部(20)上设置有耐磨板(21)。
  2. 根据权利要求1所述的电缆过桥安装结构，其特征在于，所述安装箱(10)的底部设置有安装座(11)，其底部具有滑槽(11a)，并具有供紧固件(14)贯穿的葫芦孔(11b)，所述葫芦孔(11b)与所述滑槽(11a)贯通；
    所述电缆接头(12)具有供紧固件(14)贯穿的安装孔，所述安装孔与所述葫芦孔(11b)的小孔位置对应。
  3. 根据权利要求2所述的电缆过桥安装结构，其特征在于，所述安装座(11)和所述电缆接头(12)之间还设置有安装垫板(13)。
  4. 根据权利要求1所述的电缆过桥安装结构，其特征在于，所述过桥电缆(15)对应于所述支撑部(20)的位置套装有耐磨套(22)。
  5. 根据权利要求4所述的电缆过桥安装结构，其特征在于，所述耐磨套(22)具有拆装用的缝隙(22a)，所述缝隙(22a)的开口朝向上方。
  6. 根据权利要求4所述的电缆过桥安装结构，其特征在于，所述过桥电缆(15)对应于所述支撑部(20)的位置还套装有胶皮(23)，所述胶皮(23)位于所述耐磨套(22)的内侧。
  7. 根据权利要求1至6任一项所述的电缆过桥安装结构，其特征在于，所述安装箱(10)的底部朝所述车体(30)的端部向下倾斜；所述安装座(11)的安装面水平设置。
  8. 根据权利要求1至6任一项所述的电缆过桥安装结构，其特征在于，所述过桥电缆(15)与所述第一接头(121)连接的位置设置有电缆夹(16)。
  9. 根据权利要求1至6任一项所述的电缆过桥安装结构，其特征在于，所述安装箱(10)上开设有箱体开口，以便所述电缆接头(12)的第二接头(122)与所述车体(30)内的电缆连接头连接；所述箱体开口处设置有密封件(17)。
PCT/CN2015/094560 2015-01-27 2015-11-13 动车组的电缆过桥安装结构 Ceased WO2016119509A1 (zh)

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