CN112172851B - Rail vehicle and end wall thereof - Google Patents
Rail vehicle and end wall thereof Download PDFInfo
- Publication number
- CN112172851B CN112172851B CN202011184029.1A CN202011184029A CN112172851B CN 112172851 B CN112172851 B CN 112172851B CN 202011184029 A CN202011184029 A CN 202011184029A CN 112172851 B CN112172851 B CN 112172851B
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- Prior art keywords
- end wall
- headwall
- door
- roof
- framework
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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
- B61D17/06—End walls
-
- 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
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
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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)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a railway vehicle and an end wall thereof, wherein the end wall is used for being matched with a roof, an underframe and a side pull door of a vehicle body and comprises an end wall body and a buffer pad; the end wall comprises an end wall body and is characterized in that skins are respectively coated on the inner end surface and the outer end surface of a framework of the end wall body, wherein both side plate edges of the outer skin are respectively provided with a bending section, the bending sections are formed by extending outwards from the plate surface of the outer skin and then extending inwards in the longitudinal direction, and form accommodating grooves in a surrounding manner with the corresponding side surfaces of the framework so as to accommodate the side edges of the end parts of the side pull car door; the buffer pad is arranged in the groove bottom of the accommodating groove and is in pressing fit with the side edge of the side pull vehicle door. Through the structural optimization, the vibration of the car door can be effectively reduced, and good technical support is provided for improving the running performance of the whole car.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a rail vehicle and a headwall thereof.
Background
At present, the economic development mode is turning to the intensive increase of quality efficiency type from the extensive increase of scale speed type, the logistics market is changed deeply, the total amount of the demands of the existing logistics market is particularly increased continuously by 'small, fast and zero' logistics demands, and the logistics industry is developed in a well blowout mode. In order to meet the market demand, the railway transportation advantages are fully exerted, and the application prospect of the quick box car is good.
The end wall of the existing vehicle type is limited by the structure of the end wall, and the vibration of the matched side pulling vehicle door cannot be effectively inhibited. In addition, the reinforcing structures such as transverse belts or upright columns are mostly arranged outside the end wall, so that the commercialization degree is low; and, the end wall and roof joint strength is weaker.
In view of the above, a new approach is needed to optimize the structure of the end wall of the vehicle so as to obtain a good vibration damping effect between the door and the vehicle body.
Disclosure of Invention
In order to solve the technical problems, the invention provides the railway vehicle and the end wall thereof, which can effectively reduce the vibration of the door through structural optimization and provide good technical support for improving the running performance of the whole vehicle.
The end wall provided by the invention is used for being matched with a roof, an underframe and a side pull door of a vehicle body and comprises an end wall body and a buffer pad; the end wall comprises an end wall body and is characterized in that skins are respectively coated on the inner end surface and the outer end surface of a framework of the end wall body, wherein both side plate edges of the outer skin are respectively provided with a bending section, the bending sections are formed by extending outwards from the plate surface of the outer skin and then extending inwards in the longitudinal direction, and form accommodating grooves in a surrounding manner with the corresponding side surfaces of the framework so as to accommodate the side edges of the end parts of the side pull car door; the buffer pad is arranged in the groove bottom of the accommodating groove and is in pressing fit with the side edge of the side pull vehicle door.
Preferably, the side pull car door further comprises a first limiting block which is fixedly arranged on the side surface of the framework which encloses the containing groove to form transverse limiting of the side edge inner surface of the side pull car door.
Preferably, the lateral sliding door further comprises a second limiting block which is fixedly arranged on the inner wall of the bending section which is enclosed to form the containing groove so as to form lateral limiting of the lateral edge of the lateral sliding door.
Preferably, the longitudinal length of the first stopper is greater than the longitudinal length of the second stopper.
Preferably, the first stopper and the second stopper are configured as stopper surfaces adapted to the side edge of the side sliding door: the end part of one side of the limit surface close to the side of the sliding door is provided with a guide inclined plane.
Preferably, the bending section is provided with a coating section extending transversely inwards, and the second limiting block is fixedly embedded on the inner side of the coating section.
Preferably, the top profile of the headwall body is convex to meet the limit requirements; the middle part of the upper side plate edge of the outer covering extends upwards to form a roof adapting section, and the upper edge of the roof adapting section is provided with a transition connecting plate which extends inwards in the longitudinal direction to be connected with a roof plate.
Preferably, a vertical supporting piece is arranged between the transition connecting plate and the framework below the transition connecting plate.
Preferably, the cushion pad is made of an elastic material.
The invention also provides a railway vehicle, wherein the vehicle body of the railway vehicle comprises an end wall, a side pull vehicle door, a bottom frame and a vehicle roof which are matched, and the end wall adopts the end wall.
Compared with the end wall of the existing vehicle, the end wall body is innovatively improved and designed according to the structural form of the end wall body and the adaptive structure of the end wall body and the side pull vehicle door. Specifically, the end wall body is composed of a framework and skins wrapping the inner end face and the outer end face of the framework, and the end wall is free of an external reinforcing structure on the basis of obtaining good self-strength. The two side edges of the outer skin are respectively provided with a bending section, the bending sections extend and bend and then longitudinally extend inwards, and the bending sections and the side surface of the framework on the corresponding side are enclosed to form a containing groove so as to contain the side edge of the end part of the side pull vehicle door; therefore, a mechanical sealing structure is constructed between the framework frame beam and the outer skin, and external rainwater, dust, sundries and the like can be prevented from entering the interior of the vehicle body through the end part of the side pull vehicle door. Meanwhile, a buffer pad is arranged in the groove bottom of the containing groove so as to be matched with the side edge of the side pull vehicle door in a pressing manner; when the end edge of the side sliding door is arranged in the containing groove, on one hand, the arrangement of the buffer cushion can effectively buffer longitudinal vibration, so that longitudinal impact possibly generated in the running process of the vehicle is reduced, and in addition, the arrangement of the buffer cushion can further enhance the end sealing performance of the side sliding door.
In a preferred embodiment of the present invention, a first stopper and a second stopper are respectively disposed on two sides of the accommodating groove of the end wall, wherein the first stopper is fixedly disposed on a side surface of the framework enclosing the accommodating groove to limit laterally inward displacement of the side sliding door, and the second stopper is fixedly disposed on an inner wall of the bending section enclosing the accommodating groove to limit laterally outward displacement of the side sliding door. So set up, based on the horizontal spacing restraint that the stopper formed to the side door tip of pulling, reduced the horizontal drunkenness margin of side door, but the lateral vibration that probably produces among the greatly reduced vehicle operation process.
In another preferred scheme of the invention, the longitudinal length of the first limiting block is greater than that of the second limiting block, so that in the door closing process of the adaptive side-pull vehicle door, the first limiting block and the adaptive limiting surface of the second limiting block provide constraint limiting in sequence, and on the basis of meeting the transverse limiting function, the door closing process can be operated more smoothly.
In another preferable scheme of the invention, the top profile of the end wall body is in a convex shape meeting the limitation requirement, so that the sectional area can be increased to the maximum extent, and the volume of a vehicle body is increased; in addition, the middle part of the upper side plate edge of the outer skin extends upwards to form a roof adapting section to form longitudinal matching to the top end part of the vehicle, and the upper edge of the roof adapting section is provided with a transition connecting plate which extends inwards in the longitudinal direction to be connected with the roof plate; so set up, when reinforcing roof and headwall connection structure intensity, can further improve the equipment workability.
Drawings
FIG. 1 is a schematic diagram of the overall construction of an embodiment of the headwall;
FIG. 2 is a schematic view of the overall structure formed from view A in FIG. 1;
FIGS. 3 and 4 are schematic views showing the assembled relationship of the headwall from different angles, respectively;
FIG. 5 is a schematic diagram illustrating an internal skeletal configuration of an end wall according to an embodiment;
FIG. 6 is a cross-sectional view B-B of FIG. 2;
fig. 7 is a cross-sectional view C-C of fig. 2.
In the figure:
the automobile roof comprises a framework 1, an outer skin 2, a bending section 21, a cladding section 22, a roof adapting section 23, a transition connecting plate 24, a vertical support 25, a reinforcing beam 26, an inner skin 3, a containing groove 4, a straight line section 41, an inner arc-collecting section 42, a cushion pad 5, a first limiting block 6, a guide inclined plane 61, a second limiting block 7 and a guide inclined plane 71.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Without loss of generality, the embodiment takes the end wall shown in the drawing as a description main body, and the improvement scheme about the end wall is explained in detail. It should be understood that the dimensional relationship of the end wall is not the core invention of the present application and does not substantially limit the claimed technical solution.
Please refer to fig. 1 and 2, which are schematic overall structural views of the headwall of the present embodiment, wherein fig. 1 is formed from a view of the exterior of the vehicle body; FIG. 2 is a view taken from the interior of the vehicle body as indicated by the line A in FIG. 1.
The headwall 10 is adapted for use in a vehicle body for adapting a roof 20, a chassis 30 and side doors (not shown) of a vehicle, see also fig. 3 and 4, wherein fig. 3 and 4 show the headwall 10 in assembled relation to the roof 20 and chassis 30, respectively, from different angles. As shown in the drawing, the bottom of the end wall 10 is fixedly connected with the end of the underframe 30, the top of the end wall 30 is fixedly connected with the end of the roof 20, and an inner accommodating space is formed by a side wall formed by a side pull door.
In the scheme, the headwall body is composed of a framework 1 and inner and outer skins (2 and 3), wherein the specific structural form of the framework 1 can be selected according to the specific vehicle type, for example, but not limited to, the framework 1 shown in fig. 5 is preferably arranged in an exemplary structure. It is understood that the framework 1 is within the scope of the present application as long as it can satisfy the design requirements of both the load-bearing capacity and the light weight.
Referring to fig. 1 and 2, the inner skin 3 and the outer skin 2 are respectively coated on the inner and outer end surfaces of the framework 1, and electric rivet welding is preferably adopted between the inner and outer skins and the framework 1. Specifically, holes are respectively formed in the inner skin 3 and the outer skin 2, and the electric riveting welding process can effectively reduce skin welding deformation and improve the welding quality of the end wall body. So set up, on the basis of obtaining good autogenous strength, this headwall does not have external reinforcing structure, and the outward appearance is smooth-going pleasing to the eye.
The two side plate edges of the outer skin 2 are respectively provided with a bending section 21, the bending section 21 of each side is respectively formed by extending outwards from the plate surface of the outer skin 2 and then longitudinally extending inwards, and the bending sections and the side surface of the framework 1 of the corresponding side enclose to form a containing groove 4 so as to contain the end side edge of the side pull vehicle door. Referring to fig. 6 and 7 together, fig. 6 is a sectional view taken along line B-B of fig. 2, and fig. 7 is a sectional view taken along line C-C of fig. 2.
Fig. 6 and 7 respectively show the bending sections 21 at two sides of the end wall and the containing grooves 4 respectively formed by enclosing the corresponding side surfaces of the frame beams of the framework 1. Specifically, the outward extension of the panel surface of the outer skin 2 means that the panel surface extends outward relative to the covered skeleton 1 to form the width of the accommodating groove 4; the rear longitudinal inward extension means a depth extending in the vehicle body longitudinal direction toward the vehicle body middle portion to form the pocket 4. Therefore, a mechanical sealing structure is constructed between the frame beam of the framework 1 and the outer skin 2, and external rainwater, dust, sundries and the like can be prevented from entering the interior of the vehicle body through the end part of the side pull door.
Meanwhile, a buffer cushion 5 which is matched with the side edge of the side sliding door in a pressing mode is arranged on the groove bottom of the accommodating groove 4, when the end edge of the side sliding door is arranged in the accommodating groove 4, on one hand, the arrangement of the buffer cushion 5 can effectively buffer longitudinal vibration and buffer longitudinal impact which is possibly generated in the running process of a vehicle, and in addition, the arrangement of the buffer cushion 5 can further enhance the end sealing performance of the side sliding door.
Here, the shape and size of the pocket 4 can be configured accordingly according to the side edge of the side pull door. Such as but not limited to the shapes shown in the figures: the upper part of the lower straight line section 41 is an inward-curved section 42 so as to adapt to the side-pulling vehicle door adaptive to the scheme.
It should be noted that, in the present scheme, the outer skin 2 and the inner skin 3 may be welded by splicing a plurality of plates as needed, and the splicing position may be opposite to the frame beam of the framework 1, so as to fully utilize the beam structure of the framework 1 to apply the electric rivet welding process, thereby ensuring the best connection strength.
In order to further reduce the operating impact, a first stop 6 and a second stop 7 may preferably be arranged in the receptacle 4. As shown in fig. 6 and 7, the first stopper 6 is fixedly disposed on a side surface of the frame 1 enclosing the accommodating groove 4 to form a lateral stopper for a side edge inner surface of the side pull door. The second limiting block 7 is fixedly arranged on the inner wall of the bending section 21 which encloses the accommodating groove 4 to form transverse limiting of the side edge outer surface of the side pull vehicle door. According to the arrangement, the transverse limiting constraint formed on the end part of the side sliding door by the limiting blocks (6 and 7) reduces the transverse moving margin of the side sliding door, and can greatly reduce the transverse vibration possibly generated in the running process of the vehicle.
Further, the longitudinal length of the first stopper 6 is greater than the longitudinal length of the second stopper 7. That is, in the process of inserting the side pull door into the pocket 4, the first stopper 6 is first overlapped with the door side edge in the longitudinal direction, and then the second stopper 7 is overlapped with the door side edge in the longitudinal direction. From this, the door closing process is pulled to side of looks adaptation, and it is spacing to be provided the restraint by the spacing face of first stopper 6 and the adaptation of second stopper 7 in proper order, on satisfying horizontal limit function's basis, can make the process of closing the door more smooth and easy operation, can avoid two stoppers (6, 7) horizontal spacing influence side to pull the door efficiency of closing the door simultaneously.
Specifically, the first stopper 6 is configured to be a stopper surface adapted to the side edge of the side sliding door: the end part of one side of the cart door near the side is provided with a guide inclined surface 61; similarly, the stopper surface of the second stopper 7 that fits the side edge of the side sliding door is configured as: the end of the side near the cart door has a guide slope 71. Therefore, the side pulling car door forms a guiding function of closing and inserting, and the structure is simple and reliable.
In addition, the bending section 21 of the outer skin 2 is provided with a cladding section 22 extending transversely inwards, so that the strength of the edge of the outer skin 2 can be enhanced. Meanwhile, the second limiting block 7 is fixedly embedded on the inner wall of the bending section 21 at the inner side of the cladding section 22.
It will be appreciated that the cushion 5 is preferably made of an elastic material, such as rubber, and is arranged along the length of the corresponding vessel 4, so as to maximize its sealing performance. In this scheme, first stopper 6 and second stopper 7 are preferred horizontal relative setting to can set up along the length direction interval of holding groove 4 as required, as long as can obtain good horizontal spacing all with buffering transverse vibration's effect.
In this scheme, the top profile of headwall body is the epirelief form that satisfies the boundary limit requirement to but furthest improves the sectional area, increase the automobile body volume. The middle part of the upper side edge of the outer skin 2 extends upwards to form a roof adapter section 23, and the upper edge of the roof adapter section 23 is provided with a transition connecting plate 24 extending inwards in the longitudinal direction to be connected with the roof panel. Referring to fig. 3 and 4, the arrangement of the transition connecting plate 24 in the present embodiment can further improve the assembling workability while enhancing the strength of the connecting structure between the roof 20 and the headwall 10.
Further, a vertical support 25 is disposed between the transition connecting plate 24 and the lower framework 1. In order to further improve the top connection structure, it is preferable to provide a reinforcing beam 26 in the frame beam of the framework 1 to form a stable overall bearing capacity. Please refer to fig. 5.
In addition to the end walls, the present embodiment also provides a rail vehicle, the vehicle body of which comprises the end wall 10, the side pull door, the underframe 30 and the roof 20 which are matched, wherein the end wall 10 adopts the end wall in the present embodiment. It should be noted that the vehicle bodies such as the side sliding doors, the underframe 30 and the roof 20 constitute non-core points of the invention, and those skilled in the art can implement the invention based on the prior art, so that the detailed description is omitted here.
In the description of the present invention, the terms "lateral", "longitudinal", "top" and "bottom", etc., indicate orientations or positional relationships that are defined based on general references of a vehicle body, are only used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. End wall for with the roof of automobile body, chassis and side draw door looks adaptation, its characterized in that includes:
the end wall comprises an end wall body, wherein skins are respectively coated on the inner end surface and the outer end surface of a framework of the end wall body, the two side edges of the outer skin are respectively provided with a bending section, the bending sections are formed by extending outwards from the surface of the outer skin and then extending inwards in the longitudinal direction, and the bending sections and the corresponding side surfaces of the framework are enclosed to form accommodating grooves so as to accommodate the side edges of the end parts of the side pull car door;
the buffer pad is arranged at the bottom of the accommodating groove in a built-in mode and is in pressing fit with the side edge of the side pull vehicle door.
2. The headwall of claim 1, further comprising:
the first limiting block is fixedly arranged on the side surface of the framework which is enclosed to form the containing groove so as to form transverse limiting of the side edge inner surface of the side pull car door.
3. The headwall of claim 2, further comprising:
and the second limiting block is fixedly arranged on the inner wall of the bending section which is enclosed to form the containing groove so as to form transverse limiting of the side edge outer surface of the side pull car door.
4. The headwall of claim 3, wherein the first stop block has a longitudinal length greater than a longitudinal length of the second stop block.
5. The headwall of claim 4, wherein the limiting surfaces of the first limiting block and the second limiting block, which are adapted to the side edges of the side pull doors, are configured to be: the end part of one side of the cart door close to the limiting surface is provided with a guide inclined plane.
6. The headwall of claim 3, wherein the bending section is provided with a cladding section extending transversely inwards, and the second limiting block is fixedly embedded inside the cladding section.
7. The headwall of any one of claims 1 to 6, wherein the top profile of the headwall body is convex to meet the confinement requirements; the middle part of the upper side plate edge of the outer covering extends upwards to form a roof adapting section, and the upper edge of the roof adapting section is provided with a transition connecting plate which extends inwards in the longitudinal direction to be connected with a roof plate.
8. The headwall of claim 7, wherein vertical supports are provided between the transition web and the frame below.
9. The headwall of claim 1, wherein the cushioning pad is made of a resilient material.
10. Railway vehicle, the body of which comprises adapted end walls, side doors, underframe and roof, characterized in that the end walls are end walls according to any of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011184029.1A CN112172851B (en) | 2020-10-29 | 2020-10-29 | Rail vehicle and end wall thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011184029.1A CN112172851B (en) | 2020-10-29 | 2020-10-29 | Rail vehicle and end wall thereof |
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CN112172851A CN112172851A (en) | 2021-01-05 |
CN112172851B true CN112172851B (en) | 2022-02-01 |
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CN202011184029.1A Active CN112172851B (en) | 2020-10-29 | 2020-10-29 | Rail vehicle and end wall thereof |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113291334B (en) * | 2021-05-24 | 2022-05-03 | 常州市新创智能科技有限公司 | End wall and rail vehicle thereof |
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DE20203828U1 (en) * | 2002-03-09 | 2003-07-24 | ALSTOM LHB GmbH, 38239 Salzgitter | End wall door for train carriages transporting vehicles consists of two doors arranged similarly to the vertical longitudinal plane of a train carriage |
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CN102514577A (en) * | 2011-12-23 | 2012-06-27 | 济南轨道交通装备有限责任公司 | Moving box truck special for steel coil transportation |
CN202294825U (en) * | 2011-10-31 | 2012-07-04 | 南车青岛四方机车车辆股份有限公司 | End wall of railway vehicle |
CN106043329A (en) * | 2016-07-25 | 2016-10-26 | 中车眉山车辆有限公司 | Multi-functional boxcar for railway |
RU174091U1 (en) * | 2016-11-15 | 2017-10-02 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") | Gondola car |
CN208278766U (en) * | 2018-03-23 | 2018-12-25 | 海沃机械(中国)有限公司 | A kind of Foldable vehicular garbage transferring box and a kind of refuse collector |
Family Cites Families (1)
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US7004080B2 (en) * | 2003-10-09 | 2006-02-28 | Trn Business Trust | Boxcar with load restraint system |
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2020
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE20203828U1 (en) * | 2002-03-09 | 2003-07-24 | ALSTOM LHB GmbH, 38239 Salzgitter | End wall door for train carriages transporting vehicles consists of two doors arranged similarly to the vertical longitudinal plane of a train carriage |
WO2009065583A1 (en) * | 2007-11-23 | 2009-05-28 | K Technology Ab | A hood for a railway goods wagon and a method for its assembly |
CN202294825U (en) * | 2011-10-31 | 2012-07-04 | 南车青岛四方机车车辆股份有限公司 | End wall of railway vehicle |
CN102514577A (en) * | 2011-12-23 | 2012-06-27 | 济南轨道交通装备有限责任公司 | Moving box truck special for steel coil transportation |
CN106043329A (en) * | 2016-07-25 | 2016-10-26 | 中车眉山车辆有限公司 | Multi-functional boxcar for railway |
RU174091U1 (en) * | 2016-11-15 | 2017-10-02 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") | Gondola car |
CN208278766U (en) * | 2018-03-23 | 2018-12-25 | 海沃机械(中国)有限公司 | A kind of Foldable vehicular garbage transferring box and a kind of refuse collector |
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