WO2023082673A1 - 一种轨道车辆车下重型设备弹性悬挂安装结构 - Google Patents

一种轨道车辆车下重型设备弹性悬挂安装结构 Download PDF

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Publication number
WO2023082673A1
WO2023082673A1 PCT/CN2022/104026 CN2022104026W WO2023082673A1 WO 2023082673 A1 WO2023082673 A1 WO 2023082673A1 CN 2022104026 W CN2022104026 W CN 2022104026W WO 2023082673 A1 WO2023082673 A1 WO 2023082673A1
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Prior art keywords
suspension
seat
hole
underframe
heavy equipment
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PCT/CN2022/104026
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English (en)
French (fr)
Inventor
张坤
梁海林
孟令锋
王永
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中车株洲电力机车有限公司
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Publication of WO2023082673A1 publication Critical patent/WO2023082673A1/zh

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Definitions

  • the invention belongs to the technical field of rail vehicles, and in particular relates to an elastic suspension installation structure for heavy equipment under rail vehicles.
  • the heavy equipment under the rail vehicle is generally installed horizontally on the side beams on both sides of the car body chassis through the suspension structure, such as transformers, power packs and other equipment that weigh several tons and have their own vibration sources.
  • the suspension structure such as transformers, power packs and other equipment that weigh several tons and have their own vibration sources.
  • Chinese invention patent application CN112078621 discloses a bogie primary suspension device for rail vehicles, which uses a suspension seat and a steel cable to match the weight of the equipment.
  • the bearing capacity of the suspension device is not enough to support several tons of heavy equipment. equipment, cannot reliably hang heavy equipment.
  • Another example is the Chinese invention patent CN104097653, which discloses a rail vehicle undercarriage equipment installation structure and a railcar underframe, which includes a damping mechanism and a stopper that limits the horizontal movement of the equipment, reducing the vibration transmission between the equipment and the car body. Vibration, but this installation structure uses two suspension plates to cooperate with the equipment set on the support plate. When hanging heavy equipment, the installation structure still faces the risk of opening due to excessive pressure.
  • the purpose of the present invention is to provide an elastic suspension installation structure for heavy equipment under a rail vehicle, so as to solve the technical problem of potential safety hazards in the suspension installation structure for heavy equipment.
  • An elastic suspension installation structure for heavy equipment under rail vehicles which includes a suspension seat installed at the lower end of the side beam of the underframe, the equipment is provided with a mounting shaft that can be supported on the suspension seat, and the suspension seat includes a top plate, The bottom plate and the inner vertical plate and the outer vertical plate that connect the top plate and the bottom plate and are arranged oppositely, the top plate is fixedly connected with the side beam of the chassis, and the inner vertical plate is provided with a through hole for the installation shaft to pass through;
  • a shock absorber is detachably installed on the bottom plate, and the shock absorber is provided with a first hole corresponding to the through hole on the inner vertical plate, and the installation shaft passes through the through hole and is inserted into the first hole. inside the hole.
  • the shock absorber is installed on the bottom plate of the suspension seat, and the suspension seat can bear the weight of the heavy equipment, thus ensuring the safety of the suspension of the heavy equipment.
  • the shock absorber absorbs vertical vibration and reduces the impact of vibration on the suspension mounting structure. This scheme effectively improves the reliability of equipment suspension installation as a whole.
  • top board, the bottom board, the inner vertical board and the outer vertical board are integrated structures.
  • the suspension seat adopts an integrated structure, and there is no risk of the lower end of the suspension seat opening due to excessive load, which further improves the reliability of equipment suspension.
  • the lower end of the side beam of the underframe is fixedly connected with an anti-off seat, and the anti-off seat is located between two suspension seats; the device is provided with an anti-off shaft; The second hole that the anti-off shaft extends into.
  • a special anti-off device is set up to provide double protection for the heavy equipment suspended under the rail vehicle, further ensuring the safety of equipment installation and suspension.
  • the surface of the second hole is longitudinally oppositely provided with a plurality of longitudinal stops, which realizes longitudinal elastic buffering and vibration reduction, and absorbs the longitudinal vibration generated by the equipment when the train is running.
  • each of the longitudinal stops includes a longitudinal vibration-damping mounting seat and a longitudinal vibration-damping pad disposed on the longitudinal vibration-damping mounting seat, and the longitudinal vibration-damping mounting seat is fixed on the surface of the second hole.
  • a plurality of transverse stoppers are provided between the longitudinal side of the equipment and the inner side of the side beam of the chassis; Vibration pads, the transverse vibration-damping mounts are fixedly connected to the equipment or the side beams of the chassis.
  • the longitudinal side of the equipment forms a stop fit with the inner side of the side beam of the underframe, which realizes lateral elastic buffering and vibration reduction.
  • suspension seat is detachably connected to the side beam of the underframe. In this way, the relevant parts can be maintained by removing the suspension seat, without dismantling the equipment as a whole, and the maintenance efficiency is high.
  • the lower end of the side beam of the underframe has a left chamber and a right chamber, and threaded blocks are provided on the inner surface of the lower end of the left chamber and the inner surface of the lower end of the right chamber corresponding to the installation position of the suspension seat.
  • the threaded block is provided with a threaded hole, and the threaded hole cooperates with the fastener to securely connect the suspension seat to the lower end of the side beam of the underframe.
  • an anti-loosening wire is set between the fastener penetrating into the left chamber and the adjacent fastener penetrating into the right chamber.
  • the shock absorber is installed on the bottom plate of the suspension seat, which has a strong bearing capacity, and the suspension seat is an integrated structure, so there is no risk of opening the lower end of the suspension seat due to excessive load.
  • the present invention sets a special anti-off structure to further ensure the safety of equipment installation and suspension.
  • the elastic suspension structure of the present invention realizes vertical vibration reduction through shock absorbers, horizontal elastic buffering and vibration reduction through horizontal stops, and longitudinal elastic buffering and vibration reduction through longitudinal stops, and has vibration reduction in three directions of the train.
  • the ability can effectively absorb the vibration of equipment during train operation, prevent the vibration of heavy equipment from being transmitted to the vehicle, and improve the comfort of the vehicle interior.
  • the elastic suspension structure of the present invention can be applied to the installation of large equipment with different structural sizes and different weights. It only needs to select a suitable shock absorber according to the weight of the equipment, and it can be designed in a modular manner. At the same time, a certain suspension seat can be removed separately and the shock absorber can be taken out, and the shock absorber can be replaced without dismantling the equipment as a whole, which improves the maintenance efficiency.
  • Fig. 1 is the schematic diagram of the equipment hanging installation of the present embodiment
  • Fig. 2 is the schematic diagram of the elastic suspension installation structure of the heavy equipment under the rail vehicle of the present embodiment
  • Fig. 3 is a schematic diagram of the installation structure of the suspension seat of the present embodiment
  • Fig. 4 is a schematic diagram of the installation structure of the anti-off seat of the present embodiment.
  • the heavy equipment suspension installation structure under the rail vehicle of this embodiment includes a suspension seat 2 and an anti-off seat 6 fixedly installed on the lower end of the side beam 1 of the underframe, and a vibration damping seat 6 is arranged in the suspension seat 2.
  • the device 5 and the shock absorber 5 can realize vertical buffering and vibration reduction.
  • a stepped installation shaft 4 is provided on the device 3 , and the installation shaft 4 penetrates into the first hole 51 on the shock absorber 5 , and the first hole 51 supports the installation shaft 4 and further carries the device 3 .
  • the side beam 1 of the underframe is a double-cavity closed structure, and the suspension seat 2 is hung on the lower part of the cavity of the side beam of the car body through fasteners, so as to realize the hoisting of the equipment 3 .
  • the suspension structure is provided with a special anti-off seat 6, and the anti-off shaft 7 arranged on the equipment 3 extends into the second hole 61 of the anti-off seat 6, which greatly strengthens the suspension of the equipment 3. Installation reliability.
  • the second hole 61 can prevent the device from falling off and hoisting, so as to protect the device 3 and make the hanging installation structure safe and reliable.
  • a horizontal stop 9 is set between the device 3 and the underframe side beam 1, and a longitudinal stop 8 is set between the anti-off shaft 7 of the device 3 and the second hole 61, which can realize elastic buffering and vibration reduction in the transverse and longitudinal directions .
  • the shock absorber 5, the transverse stopper 9 and the longitudinal stopper 8 buffer and damp vibration in three directions, which can effectively absorb the vibration of the equipment 3 when the train is running.
  • described suspension seat 2 comprises top plate 21, bottom plate 22 and connects top plate 21 and bottom plate 22 and the inner side vertical plate 23 and the outer side vertical plate 24 that are arranged oppositely, the top plate 21 of suspension seat 2 It is fixedly connected to the lower end of the underframe side beam 1 by fasteners.
  • the lower end of the underframe side beam 1 has a left chamber 10 and a right chamber 11, and a threaded block 12 is provided on the inner surface of the lower end of the left chamber 10 and the inner surface of the lower end of the right chamber 11 corresponding to the installation position of the suspension seat 2,
  • the threaded block 12 is provided with threaded holes for cooperating with fasteners to fix the suspension seat 2 to the lower end of the side beam 1 of the underframe.
  • the threaded block 12 is fixed on the inner surface of the lower end of the left chamber 10 and the right chamber 11 to facilitate the fixed installation of the suspension seat 2 .
  • An anti-loosening wire 13 is arranged between the fastener penetrating into the left chamber 10 and the adjacent fastener penetrating into the right chamber 11 to enhance the loosening performance.
  • the base plate 22 of the suspension seat 2 is fixedly equipped with a shock absorber 5, the shock absorber 5 is provided with a first hole 51, and the inner side plate 23 of the suspension seat 2 is provided with the first hole 51 of the shock absorber 5.
  • the installation shaft 4 provided on the device 3 passes through the through hole 231 on the inner vertical plate 23 and is inserted into the first hole 51 of the shock absorber 5, and the free end of the installation shaft 4 passes through the baffle plate And fasteners are fixed on the shock absorber 5.
  • the device 3 is provided with a lateral stopper 9, the lateral stopper 9 includes a lateral vibration-damping pad 92 and a lateral vibration-damping mounting seat 91, and the lateral vibration-damping mounting seat 91 is fixedly connected to the device 3.
  • the lateral vibration damping pad 92 is in contact with the inner side of the side beam 1 of the chassis, effectively absorbing the lateral vibration generated during the movement of the vehicle.
  • the inner vertical plate 23 and the outer vertical plate 24 of the suspension seat 2 are symmetrically arranged, and the outer vertical plate 24 of the suspension seat 2 may also be provided with a through hole corresponding to the first hole 51 on the shock absorber 5 231, enhance the versatility of the suspension seat 2, and facilitate the suspension installation.
  • the anti-off seat 6 is arranged between two suspension seats 2, and the anti-off shaft 7 arranged on the equipment 3 extends into the second hole 61, and the anti-off shaft 7 and the second hole 61 does not directly contact, and when equipment 3 came off, anti-off seat 6 supported anti-off shaft 7 on equipment 3, played the effect of double protection.
  • a longitudinal stopper 8 is arranged opposite to each other in the longitudinal direction, and the longitudinal stopper 8 includes a longitudinal vibration damping mounting seat 81 and a longitudinal vibration damping pad 82, and the longitudinal vibration damping mounting seat 81 is installed in the second hole 61.
  • the longitudinal vibration damping pad 82 is installed on the longitudinal vibration damping mount 81 to absorb the longitudinal vibration generated when the train is running.

Abstract

本发明公开了一种轨道车辆车下重型设备弹性悬挂安装结构，其包括安装在底架边梁（1）下端的悬挂座（2），所述设备（3）上设有可托装在悬挂座（2）上的安装轴（4），所述悬挂座（2）包括顶板（21）、底板（22）以及连接所述顶板（21）与底板（22）且相对设置的内侧立板（23）和外侧立板（24），所述顶板（21）与底架边梁（1）固定连接，所述内侧立板（23）上设有供安装轴（4）穿过的通孔（231）；所述底板（22）上可拆卸地安装有减振器（5），所述减振器（5）上设有与内侧立板（23）上的通孔（231）相对应的第一孔（51），所述安装轴（4）穿过通孔（231）并插装在第一孔（51）内。本发明的悬挂安装结构承载能力强，可保障重型设备悬挂安装的可靠性，并且悬挂安装结构的维护方便。

Description

一种轨道车辆车下重型设备弹性悬挂安装结构 技术领域
本发明属于轨道车辆技术领域，尤其涉及一种轨道车辆车下重型设备弹性悬挂安装结构。
 背景技术
轨道车辆车下重型设备一般通过悬挂结构横向安装在车体底架两侧的底架边梁上，如变压器、动力包等重达数吨且自身带有振动源的设备。在轨道车辆高速运行时，因轨道的不平顺输入及轮轨的相互作用力会导致车体产生剧烈振动，这不仅影响了乘客乘车的舒适性，同时设备容易和车体产生谐振，振动的加剧使得悬挂安装的可靠性无法得到保证。
中国发明专利申请CN112078621公开了一种轨道车辆用转向架一系悬挂装置，其采用悬挂座与钢缆相配合承载设备的重量，对于重型设备，该悬挂装置承载能力不足以支撑数吨重的重型设备，无法可靠悬挂重型设备。又如中国发明专利CN104097653公开了一种轨道车辆车下设备安装结构及轨道车底架，其包括减振机构和限制设备水平移动的止挡，减小了设备与车体之间的振动传递和谐振，但是该种安装结构采用两悬挂板配合托装设置在支撑板上的设备，当悬挂重型设备时，该安装结构仍面临着因压力过大而张口的风险。
 技术问题
本发明目的在于提供一种轨道车辆车下重型设备弹性悬挂安装结构,以解决重型设备悬挂安装结构存在安全隐患的技术问题。
 技术解决方案
为解决上述技术问题，本发明所采用的具体技术方案如下：
一种轨道车辆车下重型设备弹性悬挂安装结构，其包括安装在底架边梁下端的悬挂座，所述设备上设有可托装在悬挂座上的安装轴，所述悬挂座包括顶板、底板以及连接所述顶板与底板且相对设置的内侧立板和外侧立板，所述顶板与底架边梁固定连接，所述内侧立板上设有供安装轴穿过的通孔；
所述底板上可拆卸地安装有减振器，所述减振器上设有与内侧立板上的通孔相对应的第一孔，所述安装轴穿过通孔并插装在第一孔内。
上述方案中，将减振器安装在悬挂座的底板上，悬挂座能够承受重型设备的重量，保证了重型设备悬挂的安全性。减振器吸收了垂向振动，减小了振动对悬挂安装结构的冲击。该方案整体上有效提高了设备悬挂安装的可靠性。
进一步，所述顶板、底板、内侧立板和外侧立板为一体化结构。悬挂座采用一体化构造，不会出现悬挂座下端因承载过重而张口的风险，进一步提升了设备悬挂的可靠性。
进一步，所述底架边梁下端固定连接有防脱座，所述防脱座位于在两个悬挂座之间；所述设备上设有防脱轴；所述防脱座上开设有供设置所述防脱轴伸入的第二孔。设置专门的防脱装置，为轨道车辆下悬挂的重型设备提供双重保护，进一步保证了设备安装吊挂的安全性。
进一步，所述第二孔的表面上沿纵向相对设有多个纵向止挡，实现了纵向弹性缓冲减振，吸收列车运行时设备产生的纵向振动。
优选的，每个所述纵向止挡包括纵向减振安装座和设置在纵向减振安装座上的纵向减振垫，所述纵向减振安装座固定在第二孔的表面上。
进一步，在设备的纵向侧面与底架边梁的内侧面之间设置有多个横向止挡；每个所述横向止挡包括横向减振安装座和设置在横向减振安装座上的横向减振垫，所述横向减振安装座固定连接在设备或底架边梁上。在设备纵向侧部与底架边梁内侧面形成止挡配合，实现了横向弹性缓冲减振。
进一步，所述悬挂座与底架边梁可拆卸地连接。这样，拆下悬挂座即可对相关部件进行维护，不需整体拆下设备，维护效率高。
为了方便安装悬挂设备，所述底架边梁的下端具有左腔室和右腔室，在与悬挂座安装位置对应的左腔室下端内表面以及右腔室下端内表面上设有螺纹块，所述螺纹块上设有螺纹孔，该螺纹孔和紧固件配合将悬挂座固定连接在底架边梁的下端。
为了进一步保证悬挂设备的安全性，穿入左腔室的紧固件和相邻的穿入右腔室的紧固件之间设置防松丝。
 有益效果
本发明具有以下优点：
1、本发明将减振器安装在悬挂座的底板上，承载能力强，并且悬挂座为一体化构造，不会出现悬挂座下端因承载过重而张口的风险，该安装结构整体上保证了设备悬挂的安全性。此外，本发明设置了专用的防脱结构，进一步保证设备安装吊挂的安全性。
2、本发明的弹性悬挂结构通过减振器实现垂向减振，通过横向止挡实现横向弹性缓冲减振，通过纵向止挡实现纵向弹性缓冲减振，在列车的三个方位均具有减振能力，能够有效吸收列车运行时设备的振动，能够避免重型设备的振动传递到车内，提升车辆客室内部舒适性。
3、本发明弹性悬挂结构可以适用于不同结构尺寸和不同重量的大设备安装，仅需要根据设备重量选择合适的减振器，能够进行模块化设计。同时可以单独拆下某个悬挂座并取出减振器，能够在不整体拆下设备的情况下，对减振器进行更换，提升了维护效率。
 附图说明
图1为本实施例的设备悬挂安装的示意图；
图2为本实施例的轨道车辆车下重型设备弹性悬挂安装结构的示意图；
图3为本实施例的悬挂座的安装结构示意图；
图4为本实施例的防脱座的安装结构示意图；
图中标记说明：1、底架边梁；2、悬挂座；21、顶板；22、底板；23、内侧立板；231、通孔；24、外侧立板；3、设备；4、安装轴；5、减振器；51、第一孔；6、防脱座；61、第二孔；7、防脱轴；8、纵向止挡；81、纵向减振安装座；82、纵向减振垫；9、横向止挡；91、横向减振安装座；92、横向减振垫；10、左腔室；11、右腔室；12、螺纹块；13、防松丝。
 本发明的最佳实施方式
为了更好地了解本发明的目的、结构及功能，下面结合附图，对本发明一种轨道车辆车下重型设备弹性悬挂安装结构做进一步详细的描述。
如图1、图2所示，本实施例的轨道车辆车下重型设备悬挂安装结构包括固定安装在底架边梁1下端的悬挂座2和防脱座6，在悬挂座2内设置减振器5，减振器5能够实现垂向缓冲减振。在所述设备3上设置有阶梯式的安装轴4，安装轴4穿入减振器5上的第一孔51中，第一孔51承托住安装轴4，进而承载设备3。所述底架边梁1为双型腔封闭结构，悬挂座2通过紧固件吊挂在车体边梁型腔下部，实现设备3的吊装。为加强悬挂结构的安全性，该悬挂结构设置了专门的防脱座6，设置在设备3上的防脱轴7伸入到防脱座6的第二孔61中，大大加强了设备3悬挂安装的可靠性。在悬挂座2无法承载设备3而导致设备3脱坠时，所述第二孔61能够防脱吊装的作用，实现对设备3的保护作用，使得悬挂安装结构安全可靠。在设备3与底架边梁1之间设置横向止挡9，在设备3的防脱轴7与第二孔61之间设置了纵向止挡8，能够实现横向和纵向上的弹性缓冲减振。所述减振器5、横向止挡9和纵向止挡8在三个方位缓冲减振，能够有效吸收列车运行时设备3的振动。
如图1、图2、图3所示，所述悬挂座2包括顶板21、底板22和连接顶板21与底板22且相对设置的内侧立板23和外侧立板24，悬挂座2的顶板21通过紧固件固定连接在底架边梁1的下端。所述底架边梁1下端具有左腔室10和右腔室11，在与悬挂座2安装位置对应的左腔室10下端内表面以及右腔室11下端内表面上设有螺纹块12，所述螺纹块12上设有螺纹孔，用于和紧固件配合将悬挂座2固定连接在底架边梁1的下端。所述螺纹块12固定在左腔室10、右腔室11的下端内表面上，便于悬挂座2的固定安装。穿入左腔室10的紧固件和相邻的穿入右腔室11的紧固件之间设置防松丝13，加强放松性能。悬挂座2的底板22上固定安装有减振器5，减振器5上设有第一孔51，所述悬挂座2的内侧立板23上设有与减振器5的第一孔51对应的通孔231，设置在设备3上的安装轴4穿过内侧立板23上的通孔231并插接在减振器5的第一孔51内，安装轴4的自由端通过挡板和紧固件固定在减振器5上。所述设备3上设有横向止挡9，所述横向止挡9包括横向减振垫92和横向减振安装座91，横向减振安装座91固定连接在设备3上，当产生横向振动时，横向减振垫92与底架边梁1的内侧面接触，有效吸收车辆运动过程中产生的横向振动。需要说明的是，悬挂座2的内侧立板23和外侧立板24对称设置，且悬挂座2的外侧立板24上也可以设置与减振器5上的第一孔51相对应的通孔231，增强悬挂座2的通用性，方便悬挂安装。
如图1、图4所示，所述防脱座6设置两个悬挂座2之间，设置在设备3上的防脱轴7伸入第二孔61内，防脱轴7与第二孔61不直接接触，当设备3脱落时，防脱座6承托住设备3上的防脱轴7，起到二重保护的作用。在第二孔61的表面上沿纵向相对设置纵向止挡8，所述纵向止挡8包括纵向减振安装座81和纵向减振垫82，纵向减振安装座81安装在第二孔61的表面，纵向减振垫82安装在纵向减振安装座81上，吸收列车运行时产生的纵向振动。
可以理解，本发明是通过实施例进行描述的，本领域技术人员知悉的，在不脱离本发明的精神和范围的情况下，可以对这些特征和实施例进行各种改变或等效替换。另外，在本发明的教导下，可以对这些特征和实施例进行修改以适应具体的情况及材料而不会脱离本发明的精神和范围。因此，本发明不受此处所公开的具体实施例的限制，所有落入本申请的权利要求范围内的实施例都属于本发明所保护的范围内。

Claims (9)

  1. 一种轨道车辆车下重型设备弹性悬挂安装结构，包括安装在底架边梁（1）下端的悬挂座（2），所述设备（3）上设有可托装在悬挂座（2）上的安装轴（4），其特征在于：
    所述悬挂座（2）包括顶板（21）、底板（22）以及连接所述顶板（21）与底板（22）且相对设置的内侧立板（23）和外侧立板（24），所述顶板（21）与底架边梁（1）固定连接，所述内侧立板（23）上设有供安装轴（4）穿过的通孔（231）；
    所述底板（22）上可拆卸地安装有减振器（5），所述减振器（5）上设有与内侧立板（23）上的通孔（231）相对应的第一孔（51），所述安装轴（4）穿过通孔（231）并插装在第一孔（51）内。
  2. 根据权利要求1所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：所述顶板（21）、底板（22）、内侧立板（23）和外侧立板（24）为一体化结构。
  3. 根据权利要求1所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：所述底架边梁（1）下端固定连接有防脱座（6），所述防脱座（6）位于在两个悬挂座（2）之间；所述设备（3）上设有防脱轴（7）；所述防脱座（6）上开设有供设置所述防脱轴（7）伸入的第二孔（61）。
  4. 根据权利要求3所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：所述第二孔（61）的表面上沿纵向相对设有多个纵向止挡（8）。
  5. 根据权利要求4所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：每个所述纵向止挡（8）包括纵向减振安装座（81）和设置在纵向减振安装座（81）上的纵向减振垫（82），所述纵向减振安装座（81）固定在第二孔（61）的表面上。
  6. 根据权利要求1-5中任一项所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：在设备（3）的纵向侧面与底架边梁（1）的内侧面之间设置有多个横向止挡（9）；每个所述横向止挡（9）包括横向减振安装座（91）和设置在横向减振安装座（91）上的横向减振垫（92），所述横向减振安装座（91）固定连接在设备（3）或底架边梁（1）上。
  7. 根据权利要求1-5中任一项所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：所述悬挂座（2）与底架边梁（1）可拆卸地连接。
  8. 根据权利要求1-5中任一项所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：所述底架边梁（1）的下端具有左腔室（10）和右腔室（11），在与悬挂座（2）安装位置对应的左腔室（10）下端内表面以及右腔室（11）下端内表面上设有螺纹块（12），所述螺纹块（12）上设有螺纹孔，该螺纹孔和紧固件配合将悬挂座（2）固定连接在底架边梁（1）的下端。
  9. 根据权利要求8所述的轨道车辆车下重型设备弹性悬挂安装结构，其特征在于：穿入左腔室（10）的紧固件和相邻的穿入右腔室（11）的紧固件之间设置防松丝（13）。
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