CN107472289B - High-speed railway train coupler energy-absorbing protection device - Google Patents
High-speed railway train coupler energy-absorbing protection device Download PDFInfo
- Publication number
- CN107472289B CN107472289B CN201710735629.4A CN201710735629A CN107472289B CN 107472289 B CN107472289 B CN 107472289B CN 201710735629 A CN201710735629 A CN 201710735629A CN 107472289 B CN107472289 B CN 107472289B
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- China
- Prior art keywords
- honeycomb
- plate
- honeycomb plate
- fixedly connected
- energy
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- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000001413 cellular effect Effects 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/18—Details
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses an energy-absorbing protection device for a coupler of a high-speed railway train, which comprises an energy-absorbing assembly, wherein the energy-absorbing assembly comprises a first honeycomb plate and a second honeycomb plate. The friction fixing plates are fixedly connected to the surfaces of the first honeycomb plate and the second honeycomb plate, and the friction fixing plates of the first honeycomb plate and the friction fixing plates of the second honeycomb plate are mutually attached and are fixedly connected through bolt compression. The honeycomb hollow columns of the first honeycomb plate and the second honeycomb plate are parallel to the length direction of the train. The upper surface and the lower surface of the first honeycomb plate and the second honeycomb plate are fixedly connected with friction fixing plates, and the first honeycomb plate and the second honeycomb plate are alternately attached and fixedly connected. The energy absorbing device further comprises a buffer, and the buffer is fixedly connected with the energy absorbing component. According to the high-speed train coupler energy-absorbing protection device, traction force is provided through friction force between honeycomb plates; when an accident occurs, the honeycomb hollow columns of the honeycomb plates are extruded and deformed, so that the impact force in the accident process is buffered, and the damage degree to the train is reduced.
Description
Technical Field
The invention relates to a traction device combined with a buffer in a railway vehicle, in particular to an energy-absorbing protection device for a coupler of a high-speed railway train.
Background
With rapid development of high-speed rail trains, use of high-speed rail trains is becoming more and more popular. In the prior art, the railcars are typically connected by a traction connection, a coupler buffer. During the starting and stopping of the vehicles, the traction and buffering functions are achieved for the vehicles. However, in the prior art, there is no energy absorption protection for the traction connection between trains and the coupler draft gear between adjacent trains. Particularly, during a train collision or a train emergency stop, the rear train car generates a very strong extrusion force to the front train due to the inertia effect. Under the action of extrusion force, the damage of the traction connection device and the coupler buffer device which are rigidly connected is easy to cause, and after the damage of the traction connection device and the coupler buffer device, the parts are likely to damage the train carriage, so that the secondary damage of the train carriage is caused, and the safety of the train is seriously influenced.
Therefore, in the high-speed rail train in the prior art, the energy absorbing device is lack between the train carriages, so that inertial energy between the trains cannot be absorbed when the trains are in accidents, and the defect of serious damage to the train carriages is caused.
Disclosure of Invention
Therefore, the main purpose of the invention is to provide the energy-absorbing protection device for the coupler of the high-speed railway train, which can effectively buffer the impact force in the accident process and reduce the damage degree to the train.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
an energy-absorbing protection device for a coupler of a high-speed railway train comprises an energy-absorbing assembly; the energy absorption assembly comprises a first honeycomb plate and a second honeycomb plate, wherein the surfaces of the first honeycomb plate and the second honeycomb plate are fixedly connected with friction fixing plates, and the friction fixing plates of the first honeycomb plate and the friction fixing plates of the second honeycomb plate are mutually attached and fixedly connected through bolt compression; the length direction of the honeycomb hollow columns of the first honeycomb plate and the second honeycomb plate is parallel to the length direction of the train.
The friction fixing plates are fixedly connected to the upper surface and the lower surface of the first honeycomb plate and the second honeycomb plate, and the first honeycomb plate and the second honeycomb plate are alternately attached and fixedly connected.
The number of the first honeycomb plates is two, and the first honeycomb plates are respectively attached to and fixedly connected with the upper surface and the lower surface of the second honeycomb plate.
The first honeycomb plate and the second honeycomb plate are fixedly connected through a plurality of bolts.
The energy absorbing device further comprises a buffer, and the buffer is fixedly connected with the energy absorbing component.
The buffer comprises a connecting frame, a sliding head and a buffer shell; the inside cavity structure that is of buffer shell, the connecting hole that the size is less than the slip head is seted up to buffer shell's both ends sliding connection slip head of cavity, fill the plasticine support between two slip heads, the link stretches into connecting hole and slip head fixed connection, the link opposite side and energy-absorbing subassembly fixed connection.
The connecting frame comprises a connecting plate and a connecting rod, the connecting plate and the connecting rod are integrally formed, the position of the connecting rod extending into the cavity of the buffer shell is fixedly connected with the sliding head, and the connecting plate is fixedly connected with the energy absorbing component.
And two ends of the buffer are respectively and fixedly connected with the energy absorption assembly.
The first honeycomb panel thickness is twice the second honeycomb panel thickness.
Aluminum plates are fixedly connected to the peripheries of the first honeycomb plate and the second honeycomb plate.
The energy-absorbing protection device for the coupler of the high-speed train has the following beneficial effects:
the energy absorption component of the high-speed train coupler energy absorption protection device comprises a plurality of honeycomb plates, wherein the honeycomb plates are fixedly connected through bolts, and the honeycomb hollow columns of the honeycomb plates are ensured to be parallel to the length direction of a train. The defect that in the prior art, in the accident process of a train, no energy absorption buffer device is arranged at the coupler position of the train to cause serious train damage is avoided. According to the high-speed train coupler energy-absorbing protection device, traction force is provided through friction force between honeycomb plates; when an accident occurs, the honeycomb hollow columns of the honeycomb plates are extruded and deformed, so that the impact force in the accident process is buffered, and the damage degree to the train is reduced.
Drawings
FIG. 1 is a schematic diagram of the coupler energy-absorbing protection device of the high-speed train of the invention;
FIG. 2 is an enlarged view of a portion of the energy absorbing and protecting device A of the coupler of the high-speed rail train of FIG. 1;
FIG. 3 is a schematic diagram of a cellular board structure of the high-speed train coupler energy absorption protection device of the present invention;
FIG. 4 is a schematic cross-sectional view of a honeycomb hollow core column of a honeycomb panel of the energy absorbing protection device for the coupler of the high-speed train of the present invention.
1. Energy-absorbing subassembly, 11, bolt, 2, buffer, 21, buffer casing, 22, slip head, 23, link, 231, connecting plate, 232, connecting rod, 24, plasticine, 3, honeycomb panel, 31, first honeycomb panel, 32, second honeycomb panel, 4, aluminum plate, 5, connecting block, 6, honeycomb hollow column, 7, friction fixed plate.
Detailed Description
The method of the present invention will be described in further detail with reference to fig. 1-4 and examples of the present invention.
As shown in fig. 1, 2, 3 and 4, an energy-absorbing protection device for a coupler of a high-speed railway train comprises an energy-absorbing assembly 1; the energy absorbing assembly 1 comprises a first cellular board 31 and a second cellular board 32. The friction fixing plates 7 are fixedly connected to the surfaces of the first honeycomb plate 31 and the second honeycomb plate 32, namely: the friction fixing plate 7 is adhered to the surface of the first honeycomb plate 31, which is adhered to the second honeycomb plate 32, and a friction increasing material is arranged on the surface of the friction fixing plate 7, which is far away from the honeycomb plate 3, or a corresponding structure is arranged to increase the friction.
The friction fixing plate 7 of the first honeycomb plate 31 and the friction fixing plate 7 of the second honeycomb plate 32 are attached to each other and are fixedly connected by pressing with bolts 11. The honeycomb plates 3 of different thicknesses are selected according to the strength requirements, the honeycomb core columns 6 of different sizes are selected, and the first honeycomb plates 31 and the second honeycomb plates 32 of different numbers are selected according to the use conditions. The length direction of the honeycomb hollow core column 6 of the first honeycomb plate 31 and the second honeycomb plate 32 is parallel to the train length direction. The energy-absorbing component 1 can bear larger traction force in the traction process, can bear larger impact force in the damage impact process, buffer more energy, protect the train and reduce the damage degree.
To facilitate the connection between the first honeycomb plate 31 and the second honeycomb plate 32 and to ensure that the first honeycomb plate 31 or the second honeycomb plate 32 is subjected to the pressing force of the nuts. The friction fixing plates 7 are fixedly connected to the upper and lower surfaces of the first honeycomb plate 31 and the second honeycomb plate 32, and the first honeycomb plate 31 and the second honeycomb plate 32 are alternately attached and fixedly connected. The energy absorbing assembly 1 is convenient to use a plurality of first honeycomb plates 31 and a plurality of second honeycomb plates 32, and the strength and the buffering requirement of different trains are ensured.
The number of the first honeycomb plates 31 and the second honeycomb plates 32 may be plural, or two first honeycomb plates 31 may be selected, and the two first honeycomb plates 31 may be fixedly connected to the upper and lower surfaces of the second honeycomb plates 32. The connection of trains is achieved by connecting a front train to the other side of the first honeycomb panel 31 and connecting a rear train to the other side of the second honeycomb panel 31.
In order to ensure a large pressing force between the first honeycomb plate 31 and the second honeycomb plate 32, a large friction force between the first honeycomb plate 31 and the second honeycomb plate 32 is ensured. Between the first honeycomb panel 31 and the second honeycomb panel 32 are fixedly connected by one or more bolts 11. Preferably, a plurality of bolts 11 are used for the connection.
In order to ensure that the energy-absorbing protection has a cushioning property, it is preferable that the energy-absorbing protection further comprises a bumper 2, and the bumper 2 is fixedly connected with the energy-absorbing assembly 1.
In order to ensure that the buffer 2 satisfies a larger buffer performance, the difficulty of the manufacturing process is reduced. The damper 2 includes a link frame 23, a slider 22, and a damper housing 21. The inside cavity structure that is of buffer shell 21, the connecting hole that the size is less than slider 22 is offered at buffer shell 21's both ends, at the both ends sliding connection slider 22 of cavity, pack the plasticine 24 support between two sliders 22, link 23 stretches into connecting hole and slider 22 fixed connection, link 23 opposite side and energy-absorbing subassembly 1 fixed connection. The connecting frame 23 facilitates the connection between the buffer 2 and the energy absorption assembly 1 and the connection between the buffer 2 and the train, and reduces the complexity of the installation process of workers.
In order to further facilitate the connection between the connecting frame 23 and the energy absorbing assembly 1, the connecting frame 23 comprises a connecting plate 231 and a connecting rod 232, the connecting plate 231 and the connecting rod 232 are integrally formed, the connecting rod 232 extends into the cavity of the buffer shell 21 to be fixedly connected with the sliding head 22, and the connecting plate 231 is fixedly connected with the energy absorbing assembly 1. Bolt holes are formed through the connecting plate 231 and the honeycomb plate 3, the connecting plate 231 and the honeycomb plate 3 are fixedly connected through fixing bolts, and the operation process is simple and convenient.
In one embodiment, the two ends of the buffer 2 are fixedly connected with the energy absorbing assembly 1 respectively. The two energy-absorbing components 1 fully ensure the buffer effect in the train impact process, and the buffer 2 is used for buffering and protecting the energy-absorbing components 1, so that the service life of the energy-absorbing protection device is ensured.
The first honeycomb panel 31 has a thickness twice that of the second honeycomb panel 32.
In order to ensure the service life of the honeycomb plate 3 and avoid the damage to the honeycomb plate 3 caused by impact on the periphery of the honeycomb plate 3, the aluminum plates 4 are fixedly connected on the periphery of the first honeycomb plate 31 and the second honeycomb plate 32.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (4)
1. The energy-absorbing protection device for the coupler of the high-speed train is characterized by comprising an energy-absorbing assembly (1) and a buffer (2); the energy absorption device is characterized in that the buffer (2) is fixedly connected with the energy absorption component (1), two ends of the buffer (2) are respectively and fixedly connected with the energy absorption component (1), the energy absorption component (1) comprises a first honeycomb plate (31) and a second honeycomb plate (32), the surfaces of the first honeycomb plate (31) and the second honeycomb plate (32) are fixedly connected with the friction fixing plate (7), and the friction fixing plate (7) of the first honeycomb plate (31) and the friction fixing plate (7) of the second honeycomb plate (32) are mutually attached and are fixedly connected through bolts (11) in a pressing mode; the length direction of the honeycomb hollow columns (6) of the first honeycomb plate (31) and the second honeycomb plate (32) is parallel to the length direction of the train;
the upper surface and the lower surface of the first honeycomb plate (31) and the upper surface of the second honeycomb plate (32) are fixedly connected with friction fixing plates (7), and the first honeycomb plate (31) and the second honeycomb plate (32) are alternately attached and fixedly connected;
the number of the first honeycomb plates (31) is two, and the first honeycomb plates (31) are respectively and fixedly connected with the upper surface and the lower surface of the second honeycomb plate (32) in a bonding way;
fixedly connected between the first honeycomb plate (31) and the second honeycomb plate (32) through a plurality of bolts (11);
the buffer (2) comprises a connecting frame (23), a sliding head (22) and a buffer shell (21); the inside cavity structure that is of buffer casing (21), the connecting hole that the size is less than slider (22) is seted up at the both ends portion of buffer casing (21) both ends sliding connection slider (22) of cavity, fill plasticine (24) support between two sliders (22), link (23) stretch into connecting hole and slider (22) fixed connection, link (23) opposite side and energy-absorbing subassembly (1) fixed connection.
2. The energy-absorbing protection device for the coupler of the high-speed train according to claim 1, wherein the connecting frame (23) comprises a connecting plate (231) and a connecting rod (232), the connecting plate (231) and the connecting rod (232) are integrally formed, the connecting rod (232) stretches into a cavity position of the buffer shell (21) to be fixedly connected with the sliding head (22), and the connecting plate (231) is fixedly connected with the energy-absorbing assembly (1).
3. The high-speed train coupler energy absorption protection device according to claim 1, wherein the first cellular plate (31) has a thickness twice that of the second cellular plate (32).
4. The energy absorption protection device for the coupler of the high-speed train according to claim 1, wherein the peripheries of the first honeycomb plate (31) and the second honeycomb plate (32) are fixedly connected with aluminum plates (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735629.4A CN107472289B (en) | 2017-08-24 | 2017-08-24 | High-speed railway train coupler energy-absorbing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735629.4A CN107472289B (en) | 2017-08-24 | 2017-08-24 | High-speed railway train coupler energy-absorbing protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107472289A CN107472289A (en) | 2017-12-15 |
| CN107472289B true CN107472289B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710735629.4A Active CN107472289B (en) | 2017-08-24 | 2017-08-24 | High-speed railway train coupler energy-absorbing protection device |
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| Country | Link |
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| CN (1) | CN107472289B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870058A (en) * | 2018-08-29 | 2018-11-23 | 徐卫国 | A kind of honeycomb core and its processing method for eliminating compression peaks using fluting method |
| CN109436012A (en) * | 2018-12-20 | 2019-03-08 | 衡阳合力工业车辆有限公司 | A kind of traction mechanism |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10355640B3 (en) * | 2003-11-28 | 2004-11-04 | Voith Turbo Scharfenberg Gmbh & Co. Kg | Central buffer coupling for rail vehicles comprises a coupling head and a coupling shaft having a section formed by a first partial piece and a second partial piece connected together by an overload protection |
| WO2012016723A1 (en) * | 2010-08-06 | 2012-02-09 | Voith Patent Gmbh | Energy absorption device, in particular for a shock absorber of a track-guided vehicle |
| CN103352521B (en) * | 2013-07-29 | 2015-04-15 | 湖南大学 | One-way energy-dissipation supporting component |
| CN204236485U (en) * | 2014-10-13 | 2015-04-01 | 青岛泰泓轨道装备有限公司 | A kind of twin-stage energy-absorbing anti-creep device |
| CN204264163U (en) * | 2014-11-28 | 2015-04-15 | 西南交通大学 | A kind of squash type energy absorption device |
| CN204784389U (en) * | 2015-06-30 | 2015-11-18 | 包头北方创业股份有限公司 | Rail vehicle elasticity clay buffer core |
| CN205997888U (en) * | 2016-08-25 | 2017-03-08 | 深圳市乾行达科技有限公司 | A kind of drawer type honeycomb fashion anti-creep energy absorber |
| CN106891913B (en) * | 2017-04-05 | 2019-05-10 | 深圳微轨小滴科技有限公司 | A kind of suspention small rail car connection structure |
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2017
- 2017-08-24 CN CN201710735629.4A patent/CN107472289B/en active Active
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| CN107472289A (en) | 2017-12-15 |
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Effective date of registration: 20231220 Address after: No. 1319 Qifei Road, National Aviation High tech Industrial Base, Xi'an City, Shaanxi Province, 710075 Patentee after: Xi'an Rongzegenxin Information Technology Co.,Ltd. Address before: 710089 Jingfa 1st Road, New Industrial Park, Yanliang District, Xi'an, Shaanxi Patentee before: Xu Weiguo |