CN105539472A - Boxcar side wall and lining structure and lining plate of boxcar side wall - Google Patents
Boxcar side wall and lining structure and lining plate of boxcar side wall Download PDFInfo
- Publication number
- CN105539472A CN105539472A CN201511005334.9A CN201511005334A CN105539472A CN 105539472 A CN105539472 A CN 105539472A CN 201511005334 A CN201511005334 A CN 201511005334A CN 105539472 A CN105539472 A CN 105539472A
- Authority
- CN
- China
- Prior art keywords
- press strip
- box car
- interior lining
- side wall
- lining panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B61D17/08—Sides
-
- 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
- B61D17/18—Internal lining, e.g. insulating
Abstract
The invention provides a boxcar side wall and a lining structure and a lining plate of the boxcar side wall. The lining structure comprises the lining plate, a pressing strip for pressing the lining plate to the boxcar side wall and fastening pieces for pressing the pressing strip; and steps are formed in the ends of the lining plate, step faces face the interior of a boxcar, the two ends of the pressing strip are pressed and positioned between two adjacent step faces of the lining plate, and the pressing strip is contained between two adjacent steps of the inner lining plate. In this way, an installation groove can be formed by two adjacent steps, the pressing strip can be located in a space of the installation groove, the thickness of the pressing strip is reasonably designed to be larger than the height of the steps, then the pressing strip will not protrude out of the lining plate and is contained in the position between the adjacent steps of the lining plate, namely the pressing strip is contained in the installation groove, and therefore damage caused by collision between the pressing strip and cargo external packages or forklift pincers and the like is avoided.
Description
Technical field
The present invention relates to technical field of vehicle, be specifically related to a kind of box car side wall and inner lining structure, interior lining panel.
Background technology
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of box car side wall in prior art.
Box car side wall comprises framed side wallboard 11, and framed side wallboard 11, towards the side of vehicle body, is provided with interior lining panel 12, and interior lining panel 12 adopts sheet plane structure usually, and quantity is multiple.In order to fixation side wallboard 11 and interior lining panel 12, be also provided with the two installation component fixing.
As shown in Figure 1, installation component comprises press strip 13, the bolt 14 matched and nut 15, and is welded with seat board 16 on framed side wallboard 11, and seat board 16 is provided with bolt hole, and two interior lining panels 12 are positioned at the both sides of seat board 16.
During installation, first bolt 14 is screwed in the tapped bore of seat board 16, then press strip 13 is overlapped to bolt 14, again by the two ends of press strip 13, be pressed in the end of two adjacent interior lining panel 11 correspondences respectively, again nut 15 is overlapped to bolt 14, and constantly outwards screw, thus realize press strip 13 and compress adjacent interior lining panel 12.
There is following technical matters in technique scheme:
Press strip 13 protrudes from interior lining panel 12, and in box car during lade, press strip 13 is easily clashed into by goods external packing or fork truck pincers etc. and damages.
Another one problem is, interior lining panel 12 and bolt 14, exposing of nut 15 cause the unfairness of interior lining panel 12 inside face, both unsightly also affect putting of goods.
In view of this, urgently improve for this inner lining structure, clashed into damage to avoid press strip by goods external packing or fork truck pincers etc.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of box car side wall and inner lining structure, interior lining panel, this inner lining structure can avoid press strip to be clashed into damage by goods external packing or fork truck pincers etc.
The inner lining structure of box car side wall provided by the invention, comprise interior lining panel, compress described interior lining panel in the press strip of described box car side wall, with the fastener realizing described press strip compression, the end of described interior lining panel forms step, step surface is towards described box car inside, the two ends of described press strip compress the described step surface being positioned two adjacent described interior lining panels respectively by described fastener, described press strip is accommodated between the described step of two adjacent described interior lining panels.
So, due to the setting of step, adjacent two steps form mounting groove, press strip can be positioned at the space of mounting groove, then the thickness of appropriate design press strip, makes it be greater than the height of step, then press strip would not protrude from interior lining panel, thus between the step being incorporated in two adjacent interior lining panels, be namely accommodated in mounting groove, avoid the external packing of press strip goods or fork truck pincers etc. to clash into and damage.
Alternatively, described press strip comprises press strip cover plate and press strip base plate, and the fastening described press strip base plate of described fastener is to compress described step surface; Described press strip cover plate hides the inside face of described press strip base plate and described fastener, and concordant with the inside face of described interior lining panel.
Alternatively, the inside face of described press strip base plate and the outside face of described press strip cover plate, one offers indent, and another one is provided with projection, and described projection can press-fit in described indent inner position.
Alternatively, the madial wall of described indent has the first flange, and described projection has the second flange towards described indent madial wall, and described projection press-fits after in described indent, and described second flange and described first flange are conflicted along the inward-outward direction of described box car.
Alternatively, the outside bending in the end of described interior lining panel forms described step.
Alternatively, the outside face of described interior lining panel has some reinforced ribs.
Alternatively, the height of the length that extends of described reinforced rib and described step is roughly equal.
The present invention also provides a kind of box car side wall, comprises framed side wallboard, and is positioned at the inner lining structure inside described framed side wallboard, and described inner lining structure is the inner lining structure described in above-mentioned any one, thus has the technique effect identical with as above inner lining structure.
Alternatively, also comprise the strength beam be arranged at inside described framed side wallboard, described fastener comprises the screw and riveting nut that match, and described riveting nut rivet clasp is in described strength beam.
Alternatively, the cross-sectional plane of described strength beam main body is the U-shaped of opening towards described framed side wallboard inside face, and the edge of its two side is equipped with the edge of a wing, and the described edge of a wing is provided with plug welding hole, the described edge of a wing fits in described framed side wallboard, and is fixed on described framed side wallboard by described plug welding hole plug welding; Described riveting nut rivet clasp is in the diapire of the described strength beam of U-shaped.
The present invention also provides a kind of interior lining panel, is located at the inner side of the framed side wallboard of box car, is compressed by press strip, and the end of described interior lining panel outwards bends forming station rank, and during installation, step surface is inner towards described box car; And the outside face of described interior lining panel is provided with some reinforced ribs.During installation, the press strip compressing interior lining panel can be positioned at the space of adjacent two steps formation, the then thickness of appropriate design press strip, it is made to be greater than the height of step, then press strip would not protrude from interior lining panel, thus between the step being incorporated in two adjacent interior lining panels, avoid the external packing of press strip goods or fork truck pincers etc. to clash into and damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of box car side wall in prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of inner lining structure provided by the present invention;
Fig. 3 is the structural representation of interior lining panel in Fig. 2;
Fig. 4 is the structural representation of press strip in Fig. 2;
Fig. 5 is the schematic diagram post that in Fig. 2, riveting nut riveting enters strength beam diapire;
Fig. 6 is the partial schematic diagram of reinforcing prop strength beam in Fig. 2;
Fig. 7 is that the A-A of Fig. 6 is to cutaway view.
In Fig. 1, description of reference numerals is as follows:
11 side wall versions, 12 interior lining panels, 13 press strips, 14 bolts, 15 nuts, 16 seat boards;
In Fig. 2-7, description of reference numerals is as follows:
21 side wall versions, 22 interior lining panels, 221 reinforced ribs, 222 step surfaces, 23 press strips, 231 press strip base plates, 231a indent, 231b first flange, 231c counterbore, 232 press strip cover plates, 232a projection, 232b second flange, 24 screws, 25 riveting nuts, 26 strength beams, 261 edges of a wing, 261a plug welding hole, 262 sidewalls, 263 diapires
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of specific embodiment of inner lining structure provided by the present invention; Fig. 3 is the structural representation of interior lining panel in Fig. 2.
The inner lining structure of box car side wall in this embodiment, comprises interior lining panel 22, and interior lining panel 22 is positioned at the inner side of box car side wall, namely towards the inside of car body.Except specified otherwise, with in towards the direction of box car inside being in literary composition, the direction towards box car outside is outward.The material of interior lining panel 22 can select the materials such as PVC (Polyvinylchloride, polyvinylchloride), extruded aluminium section, and those skilled in the art can select according to actual needs.
Box car side wall comprises framed side wallboard 21, multiple interior lining panel 22 can be assembled in the inner side of framed side wallboard 21, locate with framed side wallboard 21 to realize interior lining panel 22, this inner lining structure also comprises compression interior lining panel 22 in the press strip 23 of framed side wallboard 21, the compression of press strip 23 is realized by fastener, specific in the present embodiment, fastener comprises the screw 24 and riveting nut 25 that cooperatively interact.
In this programme, the edge of interior lining panel 22 is formed towards the step surface 222 of box car inside, as shown in Figure 2, when adjacent two interior lining panels 22 are positioned at rigging position, in fact the step of two interior lining panel 22 corresponding edges forms the structure of similar " mounting groove ", certainly because adjacent step needs to reserve gap, insert for fastener, then the bottom of being somebody's turn to do " mounting groove " correspondingly has gap.In addition, this interior lining panel 22 step is formed by the outside bending in its end, like this, does not need the thickness increasing interior lining panel 22, reach the effect of loss of weight while forming station terrace 222.
In fact, the step surface 222 of adjacent interior lining panel 22 also can connect and not preset clearance, but adds man-hour, and step surface 222 should have the jack run through for fastener, or has breach, so as adjacent two step surfaces 222 connect after two corresponding breach form jacks.In a word, be not restricted here to the step surface 222 of interior lining panel 22, also, but the structure that obviously step surface 222 is smooth is easier to processing for the edge butt joint of adjacent interior lining panel 22 or preset clearance.
Now, the two ends of press strip 23 can compress by fastener the step surface 222 being positioned two adjacent interior lining panels 22 respectively.Take Fig. 2 as visual angle, the left end of press strip 23 is pressed in the right step surface 222 of left side interior lining panel 22, and the right-hand member of press strip 23 is pressed in the left step surface 222 of right side interior lining panel 22.Fastener then just can run through press strip 23 and gap location between adjacent interior lining panel 22 is positioned framed side wallboard 21.
So, due to the setting of step, press strip 23 can be positioned at " mounting groove " space that adjacent two steps are formed, the then thickness of appropriate design press strip 23, make it be greater than the height of step, then press strip 23 would not protrude from interior lining panel 22, thus between the step being incorporated in two adjacent interior lining panels 22, namely be accommodated in " mounting groove ", avoid press strip 23 to be clashed into by goods external packing or fork truck pincers etc. and damage.
Should know, the arrangement form of interior lining panel 22 has multiple, such as some interior lining panels 22 are arranged along box car length direction, or both also arrange along short transverse along its length, namely arrange, then the edges at two ends of interior lining panel 22 and/or both sides of the edge all can compress with adjacent interior lining panel 22 in the manner described above crisscrossly.Press strip 23 some fasteners of can arranging in pairs or groups realize compressing location, and the cutaway view of a fastener locations is only shown in Fig. 2.
Further, press strip 23 can comprise press strip cover plate 232, and consider incorporated by reference to Fig. 4, Fig. 4 is the structural representation of press strip 23 in Fig. 2.
Press strip 23 in this specific embodiment comprises the press strip cover plate 232 that press strip base plate 231 is located with relative described press strip base plate 231, the two ends of press strip base plate 231 are for compressing the step surface 222 of above-mentioned adjacent two interior lining panels 22, press strip cover plate 232 is then for hiding press strip base plate 231 and the fastener running through press strip base plate 231, as shown in Figure 4, have the counterbore 231c run through for screw 24 in the middle part of press strip base plate 231, after screw 24 inserts, its head of a nail is limited in counterbore 231c.Further, the inside face of press strip cover plate 232 is concordant with the inside face of interior lining panel 22.Setting like this, fastener can not expose, and press strip 23 entirety is also concordant with interior lining panel 22, thus makes whole interior lining panel 22 inside face have preferably planarization, does not both attractive in appearancely also affect putting of goods.
Above-mentioned press strip cover plate 232 and press strip base plate 231 can realize location in the following manner.As shown in Figure 4, the inside face of press strip base plate 231 offers indent 231a, and the outside face of press strip cover plate 232 is provided with protruding 232a, and protruding 232a can press-fit in indent 231a inner position.This kind press-fits the mode of location, can ensure that press strip cover plate 232 inside face is without any locations, guarantees the planarization of interior lining panel 22 outside face.Be appreciated that indent 231a can extend along the length direction of press strip 23, also can arrange some indent 231a along its length, protruding 232a with it correspondence is arranged.
As preferred scheme, the madial wall of indent 231a can arrange the first flange 231b, the protruding 232a of press strip cover plate 232 then has the second flange 232b extended towards indent 231a madial wall, when protruding 232a presses fit into after in indent 231a, first flange 231b and the second flange 232b can conflict along the inward-outward direction of box car, and namely the external diameter of the second flange 232b is greater than the internal diameter of the first flange 231b.Make specified otherwise herein, obviously, " interior " of the madial wall of indent 231a is not inner towards box car, but relative to indent 231a itself, internal diameter and external diameter are also for screens step and the second flange 232b self.
Setting like this, protruding 232a press-fits after indent 231a, and the first flange 231b and the second flange 232b can ensure to press-fit effect further, prevents press strip cover plate 232 and press strip base plate 231 from departing from.Certainly, indent 231a also can be located at press strip cover plate 232, and protruding 232a is located at press strip base plate 231.In addition, for ease of press-fiting, the second flange 232b and the first flange 231b possesses certain elastomeric material, or in the two, at least one possesses this characteristic, to assemble.
For the various embodiments described above, the outside face of interior lining panel 22 can arrange some reinforced ribs 221.The interior lining panel 22 of thin-slab structure in background technology, the interior lining panel 22 arranging reinforced rib 221 has higher compressional stiffness under the prerequisite of substantially not gaining in weight.
And the length that reinforced rib 221 extends can be set to the height of step roughly equal.As shown in Figure 2, now, the processing of whole interior lining panel 22 is conducive to; And be also convenient to inside face that the reinforced rib 221 of interior lining panel 22 and step be attached at framed side wallboard 21 jointly or other accessory plates be arranged at inside framed side wallboard 21, there is no auxiliary plate structure in Fig. 2, interior lining panel 22 and framed side wallboard 21 have certain distance.
Except interior lining panel 22 structure described in above-described embodiment, the present invention also provides a kind of box car side wall, comprises framed side wallboard 21, and is positioned at the inner lining structure inside framed side wallboard 21, and inner lining structure is the inner lining structure described in above-mentioned any embodiment.Be appreciated that the inevitable technique effect also had described in above-mentioned any embodiment of box car side wall, repeat no more herein.
Box car side wall in the present embodiment, also comprise the strength beam 26 being positioned framed side wallboard 21 further, strength beam 26 can strengthen the intensity of framed side wallboard 21, and strength beam 26 can vertically or laterally, or be arranged anyhow alternately, certainly, also can be other directions.Strength beam 26 is arranged at the inner side of framed side wallboard 21 by the present embodiment, fastener then specifically comprises the screw 24 and riveting nut 25 that match, riveting nut 25 rivet clasp is in strength beam 26, and as shown in Figure 5, Fig. 5 is the schematic diagram that in Fig. 2, riveting nut 25 riveting enters strength beam 26 diapire 263.
Setting like this, on the basis of improving framed side wallboard 21 intensity, the pedestal of strength beam 26 as riveting nut 25 can also be used, compared to background technology, be actually and eliminate base plate structure, and strength beam 26 is arranged at inner side and is blocked by interior lining panel 22, does not also affect exterior trim or the interior trim effect of framed side wallboard 21.Certainly, when the thickness of strength beam 26 is enough, also directly can arrange tapped bore thereon, fastener can be then common bolt, nut.Here, arrange riveting nut 25, strength beam 26 can be designed as thinner hollow structure, as shown in Figure 2 the U-shaped profile of strength beam 26 main body, can either strengthen framed side wallboard 21 intensity, can not increase too much weight again.
Now, when carrying out the layout of strength beam 26, the layout demand of interior lining panel 22 can be considered, to ensure to there being strength beam 26 between adjacent interior lining panel 22, so that the location of fastener.Obviously, at some location arrangements strength beam 26, also the pedestal of locating for fastener cannot can be set at the local location of framed side wallboard 21 inside face once structure based restriction.
Particularly, as shown in Figure 6, Fig. 6 is the partial schematic diagram of strength beam 26 in Fig. 2; Fig. 7 is that the A-A of Fig. 6 is to cutaway view.
The cross-sectional plane of strength beam 26 main body is the U-shaped of opening towards framed side wallboard 21 inside face, the edge of its two side 262 is equipped with the edge of a wing 261, in fact being equivalent to whole cross-sectional plane is shape for hat, the edge of a wing 261 is provided with plug welding hole 261a, during installation, the edge of a wing 261 is posted by framed side wallboard 21, and is fixed on framed side wallboard 21 by plug welding hole 261a plug welding.Now, riveting nut 25 rivet clasp is in the diapire 263 of U-shaped strength beam 26.
Based on the setting of the edge of a wing 261 and upper plug welding hole 261a thereof, when being welded and fixed strength beam 26 and framed side wallboard 21, only need to weld in plug welding hole 261a position, thermal weld stress amount is little, and welding rear side wallboard 21 deflection is less, then framed side wallboard 21 can adopt slab construction, without the need to carrying out the die mould process reducing deformation, also just not compressible type mould restriction, structure adaptability is good, and productive costs can be effectively controlled.
Below be only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. the inner lining structure of a box car side wall, comprise interior lining panel (22), compress described interior lining panel (22) in the press strip (23) of the framed side wallboard (21) of box car, with the fastener realizing described press strip (23) and compress, it is characterized in that, the end of described interior lining panel (22) forms step, step surface (222) is inner towards described box car, the two ends of described press strip (23) compress the described step surface (222) being positioned two adjacent described interior lining panels (22) respectively by described fastener, described press strip (23) is accommodated between the described step of two adjacent described interior lining panels (22).
2. the inner lining structure of box car side wall as claimed in claim 1, it is characterized in that, described press strip (23) comprises press strip cover plate (232) and press strip base plate (231), and the fastening described press strip base plate (231) of described fastener is to compress described step surface (222); Described press strip cover plate (232) hides the inside face of described press strip base plate (231) and described fastener, and concordant with the inside face of described interior lining panel (22).
3. the inner lining structure of box car side wall as claimed in claim 2, it is characterized in that, the inside face of described press strip base plate (231) and the outside face of described press strip cover plate (232), one offers indent (231a), another one is provided with projection (232a), and described projection (232a) can press-fit in described indent (231a) inner position.
4. the inner lining structure of box car side wall as claimed in claim 3, it is characterized in that, the madial wall of described indent (231a) has the first flange (231b), described projection (232a) has the second flange (232b) towards described indent (231a) madial wall, described projection (232a) press-fits after in described indent (231a), and described first flange (231b) and described second flange (232b) are conflicted along the inward-outward direction of described box car.
5. the inner lining structure of the box car side wall as described in any one of claim 1-4, is characterized in that, the outside bending in end of described interior lining panel (22) forms described step.
6. the inner lining structure of box car side wall as claimed in claim 5, it is characterized in that, the outside face of described interior lining panel (22) has some reinforced ribs (221).
7. the inner lining structure of box car side wall as claimed in claim 6, it is characterized in that, the height of the length that described reinforced rib (221) extends and described step is roughly equal.
8. a box car side wall, comprises framed side wallboard (21), and is positioned at the inner lining structure of described framed side wallboard (21) inner side, and it is characterized in that, described inner lining structure is the inner lining structure described in any one of claim 1-7.
9. box car side wall as claimed in claim 8, it is characterized in that, also comprise the strength beam (26) being arranged at described framed side wallboard (21) inner side, described fastener comprises the screw (24) and riveting nut (25) that match, and described riveting nut (25) rivet clasp is in described strength beam (26).
10. box car side wall as claimed in claim 9, it is characterized in that, the cross-sectional plane of described strength beam (26) main body is the U-shaped of opening towards described framed side wallboard (21) inside face, the edge of its two side (262) is equipped with the edge of a wing (261), the described edge of a wing (261) is provided with plug welding hole (261a), the described edge of a wing (261) fits in described framed side wallboard (21), and is fixed on described framed side wallboard (21) by described plug welding hole (261a) plug welding; Described riveting nut (25) rivet clasp is in the diapire (263) of the described strength beam (26) of U-shaped.
11. 1 kinds of interior lining panels (22), be located at the inner side of the framed side wallboard (21) of box car, compressed by press strip (23), it is characterized in that, the end of described interior lining panel (22) outwards bends forming station rank, during installation, step surface (222) is inner towards described box car; And the outside face of described interior lining panel (22) is provided with some reinforced ribs (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511005334.9A CN105539472B (en) | 2015-12-28 | 2015-12-28 | Box car side wall and its inner lining structure, interior lining panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511005334.9A CN105539472B (en) | 2015-12-28 | 2015-12-28 | Box car side wall and its inner lining structure, interior lining panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105539472A true CN105539472A (en) | 2016-05-04 |
| CN105539472B CN105539472B (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511005334.9A Active CN105539472B (en) | 2015-12-28 | 2015-12-28 | Box car side wall and its inner lining structure, interior lining panel |
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| Country | Link |
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| CN (1) | CN105539472B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634300A (en) * | 2020-06-08 | 2020-09-08 | 中车南京浦镇车辆有限公司 | Modular built-in side wall plate structure of railway passenger car |
| CN113173187A (en) * | 2021-06-29 | 2021-07-27 | 常州市宏发纵横新材料科技股份有限公司 | Sectional type carriage connecting structure of railway vehicle |
| CN113212482A (en) * | 2021-02-26 | 2021-08-06 | 中车齐齐哈尔车辆有限公司 | Pressure plate assembly of inner lining plate of wagon, carriage and wagon |
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| EP2868544A1 (en) * | 2013-10-29 | 2015-05-06 | Bombardier Transportation GmbH | Fastening device for a transition profile in a railway vehicle, construction kit for a fastening device and method for fastening a transition profile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634300A (en) * | 2020-06-08 | 2020-09-08 | 中车南京浦镇车辆有限公司 | Modular built-in side wall plate structure of railway passenger car |
| CN113212482A (en) * | 2021-02-26 | 2021-08-06 | 中车齐齐哈尔车辆有限公司 | Pressure plate assembly of inner lining plate of wagon, carriage and wagon |
| CN113212482B (en) * | 2021-02-26 | 2022-10-18 | 中车齐齐哈尔车辆有限公司 | Pressure plate assembly of inner lining plate of wagon, carriage and wagon |
| CN113173187A (en) * | 2021-06-29 | 2021-07-27 | 常州市宏发纵横新材料科技股份有限公司 | Sectional type carriage connecting structure of railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105539472B (en) | 2018-08-28 |
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