CN109080657B - Railway vehicle and coupler box thereof - Google Patents
Railway vehicle and coupler box thereof Download PDFInfo
- Publication number
- CN109080657B CN109080657B CN201811003583.8A CN201811003583A CN109080657B CN 109080657 B CN109080657 B CN 109080657B CN 201811003583 A CN201811003583 A CN 201811003583A CN 109080657 B CN109080657 B CN 109080657B
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- fixed
- coupler
- box
- movable part
- force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/20—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a coupler box of a railway vehicle, which comprises a fixed part fixedly arranged on a vehicle body and a movable part connected with a coupler buffering device, wherein the movable part is connected with the inner end of the fixed part through a fixed force connecting piece, and the fixed force connecting piece is used for pulling off the movable part in the process that the coupler buffering device pushes the movable part to move inwards in collision so that the movable part can be separated from the fixed part. The collision resistance of the railway vehicle with the coupler buffering device is improved, the problem that the mounting structure of the coupler buffering device cannot fail or the next-stage energy absorption device is hindered to trigger energy absorption due to difficulty in failure when a train collides is solved, and the safety of equipment is improved. The invention further discloses a railway vehicle comprising the coupler box.
Description
Technical Field
The invention relates to the field of railway vehicles, in particular to a coupler box of a railway vehicle. The invention further relates to a rail vehicle comprising the coupler box.
Background
With the development of the track technology, the passive safety of the car body is more and more emphasized by people. The collision-resistant locomotive body energy absorption structure mainly comprises a hook buffer device, a locomotive body end structure and other multi-stage energy absorption structures, and the application of the multi-stage energy absorption structures is based on the premise that the hook buffer device, the locomotive body end structure and other multi-stage energy absorption structures can absorb energy orderly and controllably; namely, when two vehicles collide, the coupler and damper device moves backwards to absorb energy, after the energy absorption of the coupler and damper device is finished, the mounting structure of the coupler and damper device fails, and the next-stage energy absorption component is contacted, so that the next-stage energy absorption component triggers energy absorption.
However, in the conventional coupler and draft gear box of the coupler and draft gear, under the conditions of short coupler length, high strength and the like, when a train collides and energy absorption of the coupler and draft gear is finished, an installation structure of the coupler and draft gear cannot fail or is difficult to fail, and the coupler and draft gear after energy absorption can hinder a next-stage energy absorption device from contacting, so that the next-stage energy absorption device cannot trigger energy absorption.
Therefore, in order to improve the collision resistance of the locomotive with the coupler draft gear of the coupler yoke, the problem that the mounting structure of the coupler draft gear cannot fail or is difficult to fail when the coupler box collides with the train, and the next-stage energy absorption device is prevented from triggering energy absorption is solved
Disclosure of Invention
The invention aims to provide a coupler box of a railway vehicle, wherein a fixed part and a movable part are connected through a constant force connecting piece, the constant force connecting piece can be broken during collision, and a subsequent energy-absorbing element with multi-stage energy absorption begins to deform and absorb energy, so that the controllable and orderly energy absorption of a multi-stage energy-absorbing structure at the vehicle end is realized. Another object of the invention is to provide a railway vehicle comprising a coupler box as described above.
In order to solve the technical problem, the invention provides a coupler box of a railway vehicle, which comprises a fixed part fixedly arranged on a vehicle body and a movable part connected with a coupler and buffer device, wherein the movable part is connected with the inner end of the fixed part through a fixed force connecting piece, and the fixed force connecting piece is used for pulling the movable part to be broken in the process that the coupler and buffer device pushes the movable part to move inwards in collision so that the movable part and the fixed part can be separated from each other.
Preferably, the fixed part includes two boxes that the symmetry set up in automobile body longitudinal center line both sides and is used for covering bottom half open-ended bottom plate, two be provided with the interval that is used for the hook slow-down device to pass between the box, be equipped with on the inner lateral wall of box and be used for connecting the mounting hole of deciding the power connecting piece.
Preferably, the bottom plate comprises a transition plate and two cover plates which are integrally arranged, the two cover plates respectively cover the bottom openings of the two boxes, and the transition plate is connected with the inner ends of the two cover plates.
Preferably, the movable part includes the end plate, the both sides of end plate correspond two the position of box inner is equipped with and is used for connecting the mounting hole of deciding the power connecting piece, the outer end of end plate is provided with the arch and can installs in two in the interval of box, and connect the hook and delay the device.
Preferably, the fixed-force connecting piece is specifically a plurality of fixed-force bolts penetrating through the mounting holes, the extending direction of the fixed-force bolts is parallel to the longitudinal center line of the vehicle body, the side wall of the inner end of the box body and the mounting holes on two sides of the end plate are sequentially arranged in the vertical direction.
preferably, a thread plate in threaded connection with the tail end of the fixed-force bolt is arranged in the box body, the thread plate can abut against the side wall of the inner end of the box body, and a base plate is arranged between the head of the fixed-force bolt and the inner end of the end plate.
Preferably, a square hole for the screw plate to pass in and out is formed in the position, corresponding to the screw plate, of the covering plate, and an anti-falling plate for covering the square hole is detachably mounted on the bottom plate.
Preferably, the safety rope is further included, and two ends of the safety rope are respectively connected with the movable part and the fixed part.
Preferably, the safety rope is detachably connected with the movable part and the fixed part through a pin shaft and a cotter pin.
The invention provides a railway vehicle which comprises a vehicle body and a coupler box arranged on a vehicle head, wherein the coupler box is specifically any one coupler box.
The invention provides a coupler box of a railway vehicle, which comprises a fixed part fixedly arranged on a vehicle body and a movable part connected with a coupler buffering device, wherein the movable part is connected with the inner end of the fixed part through a fixed force connecting piece, and the fixed force connecting piece is used for pulling off the movable part in the process that the coupler buffering device pushes the movable part to move inwards during collision so that the movable part can be separated from the fixed part. When the automobile runs normally, the tensile force and the compressive force of the coupler buffer device are transmitted to an automobile body through the coupler box, and the coupler box bears the tensile force and the compressive force of the coupler buffer device; when the railway vehicle is collided, after the initial energy absorption of the coupler buffering device is finished, and the contact force is larger than the preset tensile force of the fixed-force connecting piece, the fixed-force connecting piece is broken, the movable part of the coupler box continues to move inwards, so that the coupler buffering device integrally moves inwards, and the subsequent energy-absorbing elements of the multistage energy absorption begin to deform and absorb energy, thereby realizing the controllable and orderly energy absorption of the multistage energy-absorbing structure at the vehicle end. The collision resistance of the railway vehicle with the coupler buffering device is improved, the problem that the mounting structure of the coupler buffering device cannot fail or the next-stage energy absorption device is hindered to trigger energy absorption due to difficulty in failure when a train collides is solved, and the safety of equipment is improved.
The invention also provides a railway vehicle comprising the coupler box, and the coupler box has the technical effects, so the railway vehicle also has the same technical effects, and the details are not described herein.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of a coupler box provided in the present disclosure;
FIG. 2 is a schematic structural view of a fixing portion of one embodiment of a coupler box according to the present invention;
Fig. 3 is a schematic structural diagram of a movable portion in an embodiment of the coupler box provided by the invention.
Detailed Description
the core of the invention is to provide a coupler box of a railway vehicle, wherein a fixed part and a movable part are connected through a constant force connecting piece, the constant force connecting piece can be broken when in collision, and a subsequent energy-absorbing element with multi-stage energy absorption begins to deform and absorb energy, so that the controllable and orderly energy absorption of a multi-stage energy-absorbing structure at the vehicle end is realized. Another core of the invention is to provide a railway vehicle comprising the coupler box.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a specific embodiment of a coupler box according to the present invention; FIG. 2 is a schematic structural view of a fixing portion of one embodiment of a coupler box according to the present invention; fig. 3 is a schematic structural diagram of a movable portion in an embodiment of the coupler box provided by the invention.
The invention provides a coupler box of a railway vehicle, which comprises a fixed part 2, a movable part 3 and a fixed force connecting piece, wherein the fixed part 2 is fixedly arranged at the bottom of a vehicle body 1, the movable part 3 is connected with a coupler buffering device, the fixed force connecting piece is respectively connected with the movable part 3 and the inner end of the fixed part 2, and the fixed force connecting piece can be broken after the pulling force applied to the fixed force connecting piece is greater than the preset pressure. The end of each part facing the end of the vehicle body 1 is defined as the outer end, and the end facing the middle of the vehicle body 1 is defined as the inner end.
during normal driving, the tensile force of the coupler and damper device is transmitted to the vehicle body 1 through the fixing part 2, the compressive force of the coupler and damper device is transmitted to the vehicle body 1 through the movable part 3, the fixed force connecting part and the fixing part 2 in sequence, the tensile force received by the fixed force connecting part is smaller than the preset pressure, all the parts are in a normal connection state, and the tensile force and the compressive force of the coupler and damper device are borne by the coupler box.
When the railway vehicle collides, after the initial energy absorption of the coupler and draft gear is finished, the movable part 3 continues to transmit force to the fixed force connecting piece, the movable part 3 is pushed to move inwards, when the contact force is greater than the preset tensile force of the fixed force connecting piece, the fixed force connecting piece is broken, the movable part 3 of the coupler and draft gear box continues to move inwards, the movable part 3 and the fixed part 2 are separated from each other, the coupler and draft gear integrally moves inwards, the subsequent energy absorption elements of the multistage energy absorption begin to deform and absorb energy, and therefore the controllable and ordered energy absorption of the multistage energy absorption structure at the vehicle end is realized. The collision resistance of the railway vehicle with the coupler buffering device is improved, the problem that the mounting structure of the coupler buffering device cannot fail or the next-stage energy absorption device is hindered to trigger energy absorption due to difficulty in failure when a train collides is solved, and the safety of equipment is improved.
Specifically, in order to facilitate the installation of each part and balance stress, the fixing part 2 comprises two boxes 2-2, the two boxes 2-2 are symmetrically arranged on two sides of the longitudinal center line of the vehicle body 1, and the bottom of each box 2-2 is provided with an opening, wherein the bottom refers to the downward surface of the vehicle when the vehicle is normally placed. Meanwhile, the bottom plate 2-1 is arranged to cover the bottom openings of the two boxes 2-2, so that the two boxes 2-2 form a relatively closed structure. A space is arranged between the two box bodies 2-2, the hook and buffer device enters from the outer end and penetrates through the space to be connected with the movable part 3 positioned at the inner end during installation, and correspondingly, the side wall of the inner end of the box body 2-2 is provided with a mounting hole for connecting a fixed force connecting piece. The box body 2-2 can be connected with the vehicle body 1 in a welding mode, can also be connected with the vehicle body in a bolt connection mode and the like, and is within the protection scope of the invention.
The bottom plate 2-1 can be in various forms, such as two split plates respectively covering the two boxes 2-2, or an integrated U-shaped plate, which comprises a transition plate and two covering plates, wherein the two covering plates respectively cover the bottom openings of the two boxes 2-2, and the transition plate is connected with the inner ends of the two covering plates, namely the openings of the U-shaped plate face the outer ends.
In the coupler box provided by the specific embodiment of the invention, the main part of the movable part 3 is an end plate 3-6, mounting holes for connecting fixed-force connecting pieces are also formed in two sides of the end plate 3-6 and correspond to the mounting holes formed in the inner ends of the two box bodies 2-2, at least two groups of fixed-force connecting pieces are respectively connected with one side of the end plate 3-6 and the box body 2-2 positioned on the same side, one end of each fixed-force connecting piece extends into the mounting hole of the box body 2-2, and the other end of each fixed-force connecting piece extends into the mounting hole of the end plate 3-6. The arrangement mode of the mounting holes can be adjusted correspondingly according to the arrangement mode of the box body 2-2.
The outer ends of the end plates 3-6 are provided with bulges which are arranged in the interval between the two box bodies 2-2 and are connected with the hook and buffer devices in a normal state. And the size of the bulge and the space between the two box bodies 2-2 has a matching relation, and plays a role in guiding and limiting in the moving process of the end plates 3-6.
Specifically, the fixed-force connecting piece can be a plurality of fixed-force bolts 3-8 penetrating through the mounting holes, the extending direction of the fixed-force bolts 3-8 is parallel to the longitudinal central line of the vehicle body 1, and the mounting holes in the inner end side wall of the box body 2-2 and the two sides of the end plate 3-6 are sequentially arranged along the vertical direction. The number of the fixed force bolts 3-8 can be adjusted according to the situation, for example, eight fixed force bolts are arranged, four fixed force bolts 3-8 are connected to each box body 2-2, and the number and the arrangement mode of the fixed force bolts 3-8 can also be adjusted according to the required preset force.
In order to facilitate the connection of the fixed-force bolts 3-8, threaded plates 3-9 are arranged inside the box body 2-2, backing plates 3-7 are arranged between the heads of the fixed-force bolts 3-8 and the inner ends of the end plates 3-6, threaded holes are formed in the threaded plates 3-9 corresponding to the mounting holes, and through holes are formed in the backing plates 3-7 corresponding to the mounting holes. When in installation, the end plate 3-6 is tightly attached to the box body 2-2, the thread plate 3-9 and the backing plate 3-7 are respectively placed on the side wall of the inner end of the box body 2-2, namely two sides of the end plate 3-6, namely the thread plate 3-9 is positioned in the box body 2-2 and is abutted against the side wall of the inner end, the backing plate 3-7 is positioned outside the box body 2-2 and is abutted against the inner end of the end plate 3-6, simultaneously, corresponding holes are coaxially opposite, the constant force bolts 3-8 are sequentially inserted, the tail ends of the constant force bolts sequentially penetrate through the through holes of the backing plate 3-7, the mounting holes of the end plate 3-6 and the mounting holes of the box body 2-2, finally, the threaded holes of the thread plate 3-9 are screwed in to realize threaded connection, the nut at the head parts of the constant force bolts 3-8 are abutted, the force of the fixed force bolt 3-8 is transmitted to the end plate 3-6 through the backing plate 3-7, and the stressed area of the end plate 3-6 is increased, so that the fixed force bolt is not deformed by the force of the bolt head. The movable part 3 is connected with the fixed part 2 in the mode, when the pulling force is too large, the fixed force bolts 3-8 are broken, and the movable part 3 and the fixed part 2 can be separated from each other. The connection can also be realized by components such as a fixed-force pin or a fixed-force hook and the like, and the invention is within the protection scope of the invention.
in the coupler box provided by the specific embodiment of the invention, in order to facilitate the installation of the fixed-force bolts 3-8 and the taking out of the fixed-force bolts 3-8 when the fixed-force bolts 3-8 fail, square holes for the entry and exit of the threaded plates 3-9 can be arranged at the positions, corresponding to the threaded plates 3-9, of the covering plates, and meanwhile, the anti-falling plates 3-4 for covering the square holes are detachably arranged on the bottom plate 2-1, so that the threaded plates 3-9 are prevented from falling onto a rail after the fixed-force bolts 3-8 fail, and the safety is improved.
On the basis of the coupler box provided by each specific embodiment, the coupler box further comprises a safety rope 3-1, and two ends of the safety rope 3-1 are respectively connected with the movable part 3 and the fixed part 2. When the locomotive collides, the fixed force bolts 3-8 are broken, and in the moving process of the end plates 3-6, the safety ropes 3-1 are pulled, so that the end plates 3-6 cannot fall onto the track, and potential safety hazards are caused.
Specifically, the safety supports 2-4 can be arranged on two sides of the square hole, the first pin shaft 3-2 penetrates through the safety supports 2-4 and a connecting hole at one end of the safety rope 3-1 to realize detachable connection, further, the anti-falling plate 3-4 can also be arranged on the bottom plate 2-1 through the first pin shaft 3-2, and in order to prevent falling, the end part of the first pin shaft 3-2 can be provided with a split pin 3-3. Lifting lugs 3-10 are arranged on two sides of the end plate 3-6, and the second pin shaft 3-5 penetrates through the lifting lugs 3-10 and a connecting hole at the other end of the safety rope 3-1 to realize detachable connection.
In addition to the coupler box, the specific embodiment of the present invention further provides a railway vehicle including the coupler box, and the structure of other parts of the railway vehicle refers to the prior art, which is not described herein again.
The railway vehicle and the coupler box thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. The coupler box of the railway vehicle is characterized by comprising a fixed part (2) fixedly mounted on a vehicle body (1) and a movable part (3) connected with a coupler buffering device, wherein the movable part (3) is connected with the inner end of the fixed part (2) through a fixed-force connecting piece, and the fixed-force connecting piece is used for being broken in the process that the coupler buffering device pushes the movable part (3) to move inwards in collision so that the movable part (3) and the fixed part (2) can be separated from each other;
The fixed part (2) comprises two box bodies (2-2) symmetrically arranged at two sides of the longitudinal central line of the vehicle body (1) and a bottom plate (2-1) used for covering an opening at the bottom of the box bodies (2-2), a space for a hook and buffer device to pass through is arranged between the two box bodies (2-2), and a mounting hole used for connecting the fixed force connecting piece is arranged on the side wall of the inner end of each box body (2-2);
The bottom plate (2-1) comprises a transition plate and two covering plates which are integrally arranged, the two covering plates respectively cover the bottom openings of the two boxes (2-2), and the transition plate is connected with the inner ends of the two covering plates;
The movable part (3) comprises end plates (3-6), mounting holes for connecting the fixed force connecting pieces are formed in the positions, corresponding to the inner ends of the two boxes (2-2), of the two sides of each end plate (3-6), bulges are arranged at the outer ends of the end plates (3-6), the end plates can be mounted in the space between the two boxes (2-2), and the outer ends of the end plates are connected with a hook and buffer device;
The fixed-force connecting piece is specifically a plurality of fixed-force bolts (3-8) penetrating through the mounting holes, the extending direction of the fixed-force bolts (3-8) is parallel to the longitudinal central line of the vehicle body (1), and the mounting holes on the side wall of the inner end of the box body (2-2) and the two sides of the end plate (3-6) are sequentially arranged along the vertical direction; one end of each part facing the end part of the vehicle body (1) is an outer end, and one end facing the middle part of the vehicle body (1) is an inner end.
2. Coupler box according to claim 1, characterized in that a threaded plate (3-9) in threaded connection with the tail end of the fixed force bolt (3-8) is arranged inside the box body (2-2), the threaded plate (3-9) can be abutted against the side wall of the inner end of the box body (2-2), and a backing plate (3-7) is arranged between the head of the fixed force bolt (3-8) and the inner end of the end plate (3-6).
3. Coupler box according to claim 2, characterized in that the cover plate is provided with square holes for the entry and exit of the thread plates (3-9) corresponding to the thread plates (3-9), and the bottom plate (2-1) is detachably provided with anti-falling plates (3-4) for covering the square holes.
4. Coupler box according to any one of claims 1 to 3, further comprising a safety rope (3-1), wherein the two ends of the safety rope (3-1) are respectively connected with the movable part (3) and the fixed part (2).
5. Coupler box according to claim 4, characterized in that the safety line (3-1) detachably connects the movable part (3) and the fixed part (2) by means of a pin and a cotter pin.
6. A rail vehicle comprising a vehicle body and a coupler box mounted to the vehicle body, characterized in that the coupler box is embodied as a coupler box according to any one of claims 1 to 5.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003583.8A CN109080657B (en) | 2018-08-30 | 2018-08-30 | Railway vehicle and coupler box thereof |
| US16/978,671 US11780477B2 (en) | 2018-08-30 | 2018-12-12 | Rail vehicle and coupling box thereof |
| PCT/CN2018/120584 WO2020042430A1 (en) | 2018-08-30 | 2018-12-12 | Rail vehicle and coupling box thereof |
| AU2018439289A AU2018439289B2 (en) | 2018-08-30 | 2018-12-12 | Rail vehicle and coupling box thereof |
| ZA2020/05020A ZA202005020B (en) | 2018-08-30 | 2020-08-13 | Rail vehicle and coupling box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003583.8A CN109080657B (en) | 2018-08-30 | 2018-08-30 | Railway vehicle and coupler box thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109080657A CN109080657A (en) | 2018-12-25 |
| CN109080657B true CN109080657B (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811003583.8A Active CN109080657B (en) | 2018-08-30 | 2018-08-30 | Railway vehicle and coupler box thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109080657B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085835B (en) * | 2011-10-31 | 2016-04-20 | 南车青岛四方机车车辆股份有限公司 | Coupler pocket |
| CN202684423U (en) * | 2012-08-09 | 2013-01-23 | 中国北车集团大同电力机车有限责任公司 | Car coupler box welding resisting device |
| CN103625502B (en) * | 2013-10-18 | 2016-05-25 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle front end energy absorption device |
| CN106379368B (en) * | 2016-10-21 | 2018-05-25 | 中车青岛四方机车车辆股份有限公司 | Draft gear assemblies and the rail vehicle with the draft gear assemblies |
| CN206171492U (en) * | 2016-10-31 | 2017-05-17 | 中车株洲电力机车有限公司 | Rail vehicle polymorphic type coupling installation device |
| KR101898097B1 (en) * | 2016-12-27 | 2018-09-13 | 한국철도기술연구원 | Shock absorber component for connector of railway vehicle |
| CN206344830U (en) * | 2017-01-09 | 2017-07-21 | 中车株洲电力机车有限公司 | A kind of couple yoke supporting plate mounting structure |
| CN108248630A (en) * | 2018-01-19 | 2018-07-06 | 张家港保税区泰德瑞尔轨道科技有限公司 | The embedded pillow pulling of hitch delays |
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2018
- 2018-08-30 CN CN201811003583.8A patent/CN109080657B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109080657A (en) | 2018-12-25 |
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