CN113954893B - Train end protection device - Google Patents
Train end protection device Download PDFInfo
- Publication number
- CN113954893B CN113954893B CN202111457651.XA CN202111457651A CN113954893B CN 113954893 B CN113954893 B CN 113954893B CN 202111457651 A CN202111457651 A CN 202111457651A CN 113954893 B CN113954893 B CN 113954893B
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- Prior art keywords
- train
- hood
- protection
- connecting part
- shield
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
- B61D17/22—Communication passages between coaches; Adaptation of coach ends therefor flexible, e.g. bellows
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Body Structure For Vehicles (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The application discloses a train end protection device, which comprises a protection body, wherein an inflatable cavity is arranged in the protection body; when the inflation chamber is filled with compressed air with certain pressure, the first end of the protection body is tightly attached to the first hood of the first car body, the second end of the protection body is tightly attached to the second hood of the second car body, and the protection body forms a protection space between the first hood and the second hood so as to surround the double-coupling car coupler in the protection space. The protection problem of the double-coupling coupler is solved by jumping out of the traditional train type design of the train; moreover, the application provides a train end protector, and its protective body of this train end protector is inside inflatable to the protective body after aerifing closely laminates with the automobile body hood, thereby forms the guard space who covers the heavily allies oneself with the coupling. This train car end protector need not to set up fixed knot on the automobile body and constructs, and convenient to use is swift.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle hook delays, especially, relates to a train end protector.
Background
A motor train unit or an urban rail train is generally mounted with a front end opening and closing mechanism. When the train runs in a single train, the cabin door of the air guide sleeve is in a closed state, so that a complete aerodynamic appearance of the train is formed, wind resistance and wind noise are reduced, and meanwhile, the damage of parts such as an internal train coupler and the like caused by rain and snow can be avoided; when the double-heading train needs to operate, the front end opening and closing mechanism can enable the air guide cover cabin door to be opened, the train coupler can be completely coupled without obstacles, and the double heading train is realized.
When the train is in reconnection operation in winter, the front end opening and closing mechanism is in an open state, a large amount of accumulated snow can enter the interior of the front end of the train to influence the normal application of front end internal equipment, even can influence the decompiling and reconnection of a front end full-automatic coupler, and has adverse effect on the safe operation of the train, so that the protection requirement is provided for the train reconnection application process. At present, no protective measures are taken for front-end internal equipment when motor train units or urban rail trains run in a reconnection mode at home and abroad, and the trains run in a reconnection mode in winter and have large potential safety hazards.
Disclosure of Invention
To prior art's not enough, this application provides a train car end protector.
The application provides a train car end protector for with two sections car body coupling of reconnection, include: the protection body is internally provided with an inflatable chamber; when the inflation cavity is internally filled with compressed air with certain pressure, the first end of the protection body is tightly attached to the first hood of the first vehicle body, the second end of the protection body is tightly attached to the second hood of the second vehicle body, and the protection body is arranged between the first hood and the second hood to form a protection space.
In some embodiments of the present application, the shield comprises:
the first connecting part can be connected with the first head cover, the protective cover is connected with the first connecting part, the second connecting part is connected with the protective cover, and the second connecting part can be connected with the second head cover;
the first connecting portion, the protection casing and the inside intercommunication of second connecting portion form aerify the cavity.
In some embodiments of the present application, the shield is of a concertina structure such that the shield can be bent to one side.
In some embodiments of the present application, the first connection portion, the shield, and the second connection portion are all made of an elastic material.
When the inflation chamber is filled with compressed air with certain pressure, the first connecting part contour expands to be matched with the outer contour of the first hood, the inner contour of the second connecting part expands to be matched with the outer contour of the second hood, and the protective cover expands to not interfere with the double-coupling coupler.
Upon discharge of compressed air from within the plenum chamber, the first connector contracts and disengages from the first hood and the second connector contracts and disengages from the second hood.
In some embodiments of the present application, when the inflation chamber is not filled with compressed air, the protective cover is sleeved on a coupler of the first vehicle body.
In some embodiments of the present application, the first connecting portion opens a first vent hole, and the first vent hole is connected to an air supply system of the first vehicle body.
In some embodiments of the present application, the second connecting portion is provided with a second vent hole, and the second vent hole is connected to an air supply system of the second vehicle body.
In some embodiments of the present application, the first connecting portion includes a first tapered portion that mates with the first headgear and the second connecting portion includes a second tapered portion that mates with the second headgear.
In some embodiments of the present application, the first connecting portion further includes a first recess cooperating with the first body opening and closing mechanism, and the second connecting portion further includes a second recess cooperating with the second body opening and closing mechanism.
The application also provides a train, including first automobile body and second automobile body, its characterized in that, still be provided with on the first automobile body as before train car end protector.
Compared with the prior art, the beneficial effect of this application is:
the protection problem of the double-coupling coupler is solved by jumping out of the traditional train type design of the train; moreover, the application provides a train car end protector, its protection body of this train car end protector is inside inflatable to protection body after aerifing closely laminates with the automobile body hood, thereby forms the guard space who covers the reconnection coupler. This train car end protector need not to set up fixed knot on the automobile body and constructs, and convenient to use is swift.
Drawings
FIG. 1 is a perspective view of a train end guard according to one embodiment of the present application;
FIG. 2 is a front view of the train end guard of one embodiment of the present application;
FIG. 3 is a side view of an end of train protection device according to one embodiment of the present application;
FIG. 4 isbase:Sub>A cross-sectional view taken along section line A-A of FIG. 3;
FIG. 5 is a schematic view of a train end guard according to an embodiment of the present application in use with two coupled train bodies, wherein the inflatable chambers are filled with compressed air under pressure;
FIG. 6 is a schematic view of a train end guard according to an embodiment of the present application in a coupled position between two vehicle bodies, wherein the train end guard is mounted to one of the vehicle bodies;
FIG. 7 is a schematic view of a train end guard according to an embodiment of the present application in use with two coupled vehicle bodies, wherein the train end guard is mounted to one of the vehicle bodies and the two vehicle bodies are coupled;
numbering in the figures: 1. a protective body; 10. a plenum chamber; 101. a first end; 102. a second end; 11. a first connection portion; 111. a first vent hole; 112. a first tapered portion; 113. a first recess; 12. a protective cover; 13. a second connecting portion; 132. a second tapered portion; 133. a second recess; 21. a first vehicle body; 211. a first head cover; 22. a second vehicle body; 221. a second hood.
Detailed Description
The technical solutions of the present application are explained in detail below with reference to specific embodiments, however, it should be understood that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present application, it is to be understood that the terms "upper", "lower", "bottom", "inner", and the like, as used herein, are intended to refer to the orientation or positional relationship shown in the accompanying drawings, and are used for convenience in describing and simplifying the present invention, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The described embodiments are only for describing the preferred embodiments of the present application, and do not limit the scope of the present application, and various modifications and improvements made to the technical solution of the present application by those skilled in the art without departing from the design spirit of the present application should fall within the protection scope defined by the claims of the present application.
As shown in fig. 1 to 5, a train end protection device for connecting two coupled train bodies to protect a coupled coupler according to a first embodiment of the present invention includes: the protection body 1 is internally provided with a gas-filled chamber 10; when the inflation chamber 10 is filled with compressed air with a certain pressure, the first end 101 of the protection body is tightly attached to the first hood 211 of the first vehicle body 21, the second end 102 of the protection body is tightly attached to the second hood 221 of the second vehicle body 22, and the protection body 1 forms a protection space between the first hood 211 and the second hood 221 so as to surround the reconnection coupler in the protection space.
The application provides a train car end protector, its protection body is inside inflatable to protection body after aerifing closely laminates with the automobile body hood, thereby forms the protection space who covers the reconnection coupler. This train car end protector need not to set up fixed knot on the automobile body and constructs, and convenient to use is swift.
As shown in fig. 2, the shield 1 includes: a first connecting part 11 closely attached to the first head cover 211, a shield 12 connected to the first connecting part 11, and a second connecting part 13 closely attached to the shield 12, wherein the second connecting part 13 is connected to the second head cover 221; the first connecting portion 11, the protective cover 12 and the second connecting portion 13 are communicated with each other to form the inflating chamber 10.
In order to reduce the resistance, the first hood 211 and the second hood 221 are both designed to have a certain inclination, and therefore, the first connecting portion 11 and the second connecting portion 13 also have a certain inclination, the inflation chamber 10 of the protection body is filled with compressed air, so that the first connecting portion 11 is attached to the first hood 211, and the second connecting portion 13 is attached to the second hood 221, and is limited between the first hood 211 and the second hood 221, so long as the first vehicle body 21 and the second vehicle body 22 are connected and the compressed air with stable pressure is kept in the protection body 1, then the protection body 1 forms a stable protection space between the first vehicle body and the second vehicle body 22, thereby stably protecting the coupler. When the first body 21 and the second body 22 are disconnected and the bodies are separated from each other, the restraint of the protector 1 is released and the train end protector is detached from the first hood 211 and the second hood 221.
As shown in fig. 1 and 3 to 5, it is preferable that the shield 12 has a concertina structure such that the shield 12 can be bent to one side. When the train using the protective cover with the organ type structure runs through a curve, one side of the protective cover can be stretched or compressed, so that the deformation of the train when the train bends towards one side can be borne, and the stable protection of the train end protection device on the double-coupling coupler is maintained.
Preferably, the first connecting portion 11, the protective cover 12 and the second connecting portion 13 are all made of an elastic material;
when the inflation chamber 10 is inflated with compressed air of a certain pressure, the first connecting portion 11 is tightly attached to the first hood 211, the second connecting portion 13 is tightly attached to the second hood 221, and the protective hood 12 does not interfere with the double-coupling coupler;
when the compressed air in the inflating chamber 10 is discharged, the first connecting portion 11 is contracted to be separated from the first head cap 211, and the second connecting portion 13 is contracted to be separated from the second head cap 221.
The elastic material can be rubber. Specifically, the first connecting portion 11 and the second connecting portion 13 mainly play a connecting role, and rubber types with large deformation capacity and small hardness can be selected; the protective cover 12 mainly plays a role in protection, and can be made of rubber with high pressure resistance, high hardness and good gravel impact resistance. The first connecting part 11, the protective cover 12 and the second connecting part 13 which have certain expansion and contraction performance enable the train end protective device to be contracted when not in use, thereby greatly reducing the space occupied between train bodies and facilitating the inspection and maintenance of the front end equipment of the train bodies.
As shown in fig. 6, when the compressed air is not filled in the inflation chamber 10, the train end protection device is sleeved on the coupler of the first train body 21, and specifically, the protection cover 12 is sleeved on the coupler of the first train body 21. Due to the telescopic expansion performance of the protective body, the protective body can be simply sleeved on the car coupler during contraction, a connector does not need to be specially arranged on the car body to install the train end protective device, and a hood of the car body and the car coupler do not need to be modified.
Specifically, as shown in fig. 1 and 6, the first connecting portion 11 opens a first vent hole 111, and the first vent hole 111 is connected to an air supply system of the first vehicle body 21. By opening the first vent hole 111 at the first connecting portion 11, the first vent hole 111 is connected to the air supply system of the first vehicle body 21, so that the inflation and deflation of the train end guard can be controlled by the air supply system of the first vehicle body 21. For example, after the first vehicle body 21 and the second vehicle body 22 are coupled, the driver and the controller can charge the protection body 1 with compressed air under a certain pressure through the air supply system of the first vehicle body 21, so that the protection body 1 is connected with the first vehicle body 21 and the second vehicle body 22 to form a protection space.
Optionally, the second connecting portion is provided with a second vent hole, and the second vent hole is connected with an air supply system of the second vehicle body. The train end protection device can be connected with an air supply system on two connected train bodies.
Specifically, as shown in fig. 3, the first connecting portion 11 includes a first tapered portion 112 that mates with the first hood 211, and the second connecting portion 13 includes a second tapered portion 132 that mates with the second hood 221. When the inflating chamber 10 is inflated with the compressed air of a certain pressure, the first tapered portion 112 is expanded to be closely fitted to the first head cap 211, and the second tapered portion 132 is expanded to be closely fitted to the second head cap 221. Moreover, because the two conical parts are matched with the two hoods through the conical surfaces, if compressed air in the inflation chamber leaks a little, the connection relation between the conical parts and the hoods cannot be influenced, and only the attaching positions of the conical parts and the hoods are moved.
Specifically, as shown in fig. 1 and 3, the first connecting portion 11 further includes a first recess 113 that is engaged with the opening/closing mechanism of the first vehicle body 21, and the second connecting portion 13 further includes a second recess 133 that is engaged with the opening/closing mechanism of the second vehicle body 22. As shown in fig. 5, the first connecting portion 11 only needs to be in close contact with the first hood 211 to connect the protection body to the first vehicle body 21, and the second connecting portion 13 only needs to be in close contact with the second hood 221 to connect the protection body to the second vehicle body 22, so that the other portions of the first connecting portion 11 that are not attached to the first hood 211 can be omitted, and the other portions of the second connecting portion 13 that are not attached to the second hood 221 can be omitted.
As shown in fig. 5-7, the state change of the train end protection device provided by the first embodiment of the present application during the use process is demonstrated. As shown in fig. 6, when the first vehicle body 21 and the second vehicle body 22 are not coupled, the train end guard is fitted on the coupler of the first vehicle body 21; as shown in fig. 7, when the first body 21 and the second body 22 are coupled, the air supply system of the first body 21 can charge compressed air into the train end protection device; as shown in fig. 5, when the compressed air in the inflating chamber 10 of the train end protecting device reaches a certain pressure, the first connecting portion 11 is closely attached to the first hood 211, the second connecting portion 13 is closely attached to the second hood 221, and the first connecting portion 11, the hood 12, and the second connecting portion 13 form a protecting space between the first train body 21 and the second train body 22.
As shown in fig. 5 to 7, a train provided for the second embodiment of the present application includes a first train body 21 and a second train body 22, and the train end protection device is further disposed on the first train body 21.
Claims (7)
1. The utility model provides a train car end protector for with two sections car body coupling of reconnection, its characterized in that includes: a shield body having a gas-filled chamber therein; when the inflation cavity is filled with compressed air with certain pressure, the first end of the protection body is tightly attached to a first hood of a first vehicle body, the second end of the protection body is tightly attached to a second hood of a second vehicle body, and the protection body forms a protection space between the first hood and the second hood;
the guard includes:
the first connecting part can be connected with the first head cover, the protective cover is connected with the first connecting part, the second connecting part is connected with the protective cover, and the second connecting part can be connected with the second head cover;
the first connecting part, the protective cover and the second connecting part are communicated with each other to form the inflating chamber;
the first connecting part comprises a first conical part matched with the first hood, and the second connecting part comprises a second conical part matched with the second hood;
the first connecting portion further comprises a first recess matched with the first vehicle body opening and closing mechanism, and the second connecting portion further comprises a second recess matched with the second vehicle body opening and closing mechanism.
2. The train end shield of claim 1 wherein the shield is of a concertina configuration such that the shield is bendable to one side.
3. The train end guard of claim 1 wherein the first connection, the shield and the second connection are each made of an elastic material;
when the inflation chamber is filled with compressed air with certain pressure, the inner contour of the first connecting part is expanded to be matched with the outer contour of the first hood, the inner contour of the second connecting part is expanded to be matched with the outer contour of the second hood, and the protective cover is expanded to not interfere with the coupler;
upon discharge of compressed air from within the plenum chamber, the first connector contracts and disengages from the first hood and the second connector contracts and disengages from the second hood.
4. The train end guard of claim 1 wherein the shield is sleeved over a coupler of the first train body when the inflation chamber is not inflated with compressed air.
5. The train end protection device of claim 1, wherein the first connection portion defines a first vent hole, the first vent hole being connected to an air supply system of the first train body.
6. The train end protection device of claim 1, wherein the second connecting portion defines a second vent connected to an air supply system of the second train body.
7. A train comprising a first body and a second body, wherein the first body is further provided with an end of train protection device as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457651.XA CN113954893B (en) | 2021-12-01 | 2021-12-01 | Train end protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457651.XA CN113954893B (en) | 2021-12-01 | 2021-12-01 | Train end protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113954893A CN113954893A (en) | 2022-01-21 |
| CN113954893B true CN113954893B (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111457651.XA Active CN113954893B (en) | 2021-12-01 | 2021-12-01 | Train end protection device |
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| Country | Link |
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| CN (1) | CN113954893B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022207921A1 (en) * | 2022-08-01 | 2024-02-01 | Siemens Mobility GmbH | Vehicle with cross-section reduction section |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK259987D0 (en) * | 1987-05-22 | 1987-05-22 | Ascan As | TRANSITIONAL RELATIONSHIP BETWEEN PERMANENTLY CONNECTED RAILWAYS |
| JP2000032605A (en) * | 1998-07-08 | 2000-01-28 | Bridgestone Corp | Uniting hood for windshielding part for pantograph |
| CN101259847A (en) * | 2008-04-03 | 2008-09-10 | 上海福柯实业有限公司 | Telescopic vehicle body connection path |
| CN109159790A (en) * | 2018-11-05 | 2019-01-08 | 青岛宏达青田交通设备有限公司 | Automatic inflatable/air outer hood and EMU |
| CN113442958A (en) * | 2021-07-22 | 2021-09-28 | 中车长春轨道客车股份有限公司 | Ice and snow preventing device for high-speed train reconnection end |
| CN214689474U (en) * | 2021-04-19 | 2021-11-12 | 青岛澳泰交通设备有限公司 | Novel rubber inner windshield for rail transit |
-
2021
- 2021-12-01 CN CN202111457651.XA patent/CN113954893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK259987D0 (en) * | 1987-05-22 | 1987-05-22 | Ascan As | TRANSITIONAL RELATIONSHIP BETWEEN PERMANENTLY CONNECTED RAILWAYS |
| JP2000032605A (en) * | 1998-07-08 | 2000-01-28 | Bridgestone Corp | Uniting hood for windshielding part for pantograph |
| CN101259847A (en) * | 2008-04-03 | 2008-09-10 | 上海福柯实业有限公司 | Telescopic vehicle body connection path |
| CN109159790A (en) * | 2018-11-05 | 2019-01-08 | 青岛宏达青田交通设备有限公司 | Automatic inflatable/air outer hood and EMU |
| CN214689474U (en) * | 2021-04-19 | 2021-11-12 | 青岛澳泰交通设备有限公司 | Novel rubber inner windshield for rail transit |
| CN113442958A (en) * | 2021-07-22 | 2021-09-28 | 中车长春轨道客车股份有限公司 | Ice and snow preventing device for high-speed train reconnection end |
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| Publication number | Publication date |
|---|---|
| CN113954893A (en) | 2022-01-21 |
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Address after: 266111 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Applicant after: CRRC Brake System Co.,Ltd. Address before: 266111 Qingdao High-tech Industrial Development Zone, Qingdao, Shandong Province, on the south side of Xinye Road and on the west side of Herong Road Applicant before: QINGDAO SRI TECHNOLOGY Co.,Ltd. |
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