CN202657037U - Locomotive body sidewalls and locomotive with same - Google Patents
Locomotive body sidewalls and locomotive with same Download PDFInfo
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- CN202657037U CN202657037U CN 201220356190 CN201220356190U CN202657037U CN 202657037 U CN202657037 U CN 202657037U CN 201220356190 CN201220356190 CN 201220356190 CN 201220356190 U CN201220356190 U CN 201220356190U CN 202657037 U CN202657037 U CN 202657037U
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- side wall
- car body
- locomotive
- body side
- corrugated plating
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Abstract
The utility model provides locomotive body sidewalls and a locomotive with the same. The locomotive body sidewalls disclosed by the utility model comprise top side frames (10) and side wall frameworks (20) connected with the lower ends of the top side frames (10), and further comprise corrugated plates (30) respectively connected with the top side frames (10) and the side wall frameworks (20). The locomotive disclosed by the utility model comprises a locomotive body floor and the locomotive body sidewalls vertically connected on the locomotive body floor. According to the locomotive body sidewalls and the locomotive with the same, disclosed by the utility model, the side walls of the locomotive body adopt the corrugated plates, and the corrugated plates are connected with the top side frames (10) and the side wall frameworks (20), so that corrugated plates play the functions of skin panels and locomotive beams; the skin panels and the locomotive beams of the locomotive are replaced by the corrugated plates, so that the members of the locomotive body sidewalls are reduced, and the locomotive body sidewalls are simple in structure and light in assembly workload.
Description
Technical field
The utility model relates to the heavy-duty vehicle field, more specifically, relates to a kind of locomotive car body side wall and has its locomotive.
Background technology
Car body is the stressed load bearing component that locomotive main is wanted, and vehicle body side wall (being called for short the side structure) is the important component part of steel structure of car body.Vehicle body side wall is the associated member of each large parts of car body, it plays a part connection body underframe, driver's cab, (back-end wall), top cover, roof connecting cross beam, mainly carries the variable force effect such as vertical, vertical, horizontal that the inside and outside equipment of locomotive comes by the transmission of car body miscellaneous part.
In the prior art of locomotive car body sidewall structure, sidewall structure is welded to form by top beam of laterally, side wall skeleton, skin panel three parts substantially.Side wall appearance skin panel is plane steel plate, the docking welding.This structure design is to become a monocoque structure to form side wall skeleton with beam welding with longeron, with side wall skeleton and top beam of laterally welding, welds at last the outer skin plate again.The longeron that side wall skeleton uses and crossbeam generally add the cover plate assembly welding with the shape for hat beam and form, and perhaps add the cover plate assembly welding with channel-section steel, perhaps become with shaped steel assembly weldings such as square type square steel.Although this structure design intensity is high, cost of raw material expense is high, weldment quantity is many, weld seam is many and leg is high, welding capacity is large, organize difficulty, welding deformation amount is large, postwelding whole calibration work capacity is large.
The utility model content
The utility model purpose is to provide a kind of simple in structure and locomotive car body side wall that the fitting work amount is little and has its locomotive.
The utility model provides a kind of locomotive car body side wall, comprising: top beam of laterally; Side wall skeleton, the lower end of surveying beam with the top is connected; Also comprise: corrugated plating is connected with side wall skeleton with top beam of laterally respectively.
Further, corrugated plating welds mutually with the outside of top beam of laterally.
Further, the locomotive car body side wall has the polylith corrugated plating along short transverse, mutually welding between the adjacent corrugated plating.
Further, corrugated plating is 2.
Further, top beam of laterally comprises: the top beam of laterally outside plate has along horizontally extending outside plate first paragraph and the outside plate second segment from the first end of outside plate first paragraph to downward-extension at its cross-sectional plane; The top beam of laterally inner panel, have along horizontally extending inner panel first paragraph and from the upwardly extending inner panel second segment of the first end of inner panel first paragraph at its cross-sectional plane, the second end of inner panel first paragraph is welded on the inboard of outside plate second segment, and the upper end of inner panel second segment is welded on the downside of outside plate first paragraph.Wherein, the outside plate second segment welds mutually with corrugated plating.
Further, the outside plate second segment extends beyond the inner panel first paragraph downwards; Side wall skeleton comprises column and equipment mounting framework, and all weld mutually with the inner panel first paragraph upper end of column and equipment mounting framework, and column welds mutually with the inboard of outside plate second segment, and the equipment mounting framework welds mutually with the outside plate second segment.
Further, corrugated plating is welded on the outside of column, and corrugated plating welds mutually with the equipment mounting framework, and the upper end of corrugated plating is welded on the outside of outside plate second segment.
Further, the locomotive car body side wall also comprises: the cross section is the attaching parts of " L " shape, and it has: the first wall, weld mutually with the equipment mounting framework; The second wall, the opposite first walls bending is arranged between equipment mounting framework and the corrugated plating, with equipment mounting framework and respectively mutually welding of corrugated plating.
Further, the locomotive car body side wall also comprises: adapter plate, and the equipment mounting framework welds mutually with the first surface of adapter plate, and corrugated plating is with second mutually welding of the adapter plate vertical with first surface; The cross section is the attaching parts of " L " shape, and it has: the first wall, weld mutually with the equipment mounting framework; The second wall, opposite first walls bending is arranged between equipment mounting framework and the corrugated plating, weld mutually with corrugated plating, and the bottom face of the second wall and adapter plate second welds mutually.
Further, top beam of laterally also comprises: the top cover mount pad, weld mutually with the upside of outside plate first paragraph, and weld mutually with the outside of the 3rd section of the upwardly extending outside plate of the second end of outside plate first paragraph.
Further, top beam of laterally also comprises: the equipment mount pad, be arranged in outside plate first paragraph and the formed corner region of inner panel second segment, and the equipment mount pad comprises: the 3rd wall, its at least part of downside with the outside plate first paragraph welds mutually; Wall welds mutually with the inner panel second segment.
The utility model also provides a kind of locomotive, has the locomotive car body base plate and is connected to vertically locomotive car body side wall on the locomotive car body base plate, and the locomotive car body side wall is aforesaid locomotive car body side wall.
According to locomotive car body side wall of the present utility model and have its locomotive, the side wall of locomotive car body has adopted corrugated plating, and corrugated plating is connected with side wall skeleton with top beam of laterally.Corrugated plating can play the effect of skin panel, can play again the effect of locomotive crossbeam.Skin panel and the crossbeam of locomotive are substituted by corrugated plating, and the member of locomotive car body side wall reduces, and the simple in structure and fitting work amount of locomotive car body side wall is little.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the integral structure scheme drawing according to locomotive car body side wall of the present utility model;
Fig. 2 is the structural representation according to the corrugated plating side wall of locomotive car body side wall of the present utility model;
Fig. 3 is the corrugated plating schematic cross-section according to locomotive car body side wall of the present utility model;
Fig. 4 is the A place partial enlarged drawing of Fig. 3;
Fig. 5 is the locomotive car body sidewall welding schematic cross-section according to locomotive car body side wall of the present utility model;
Fig. 6 is the first connection structure scheme drawing according to the corrugated plating of locomotive car body side wall of the present utility model and equipment mounting framework; And
Fig. 7 is the second connection structure scheme drawing according to the corrugated plating of locomotive car body side wall of the present utility model and equipment mounting framework.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, the utility model provides a kind of locomotive car body side wall, and the locomotive car body side wall comprises top beam of laterally 10, side wall skeleton 20 and corrugated plating 30.Side wall skeleton 20 is connected with the lower end that beam 10 is surveyed on the top; Corrugated plating 30 is connected with side wall skeleton 20 with top beam of laterally 10 respectively.
The side wall of locomotive car body has adopted corrugated plating 30, and corrugated plating 30 is connected with side wall skeleton 20 with top beam of laterally 10.Corrugated plating 30 can play the effect of the sealing locomotive of skin panel, can play again the supporting role of locomotive crossbeam.The skin panel of locomotive and crossbeam are substituted by corrugated plating 30, and the member of locomotive car body side wall reduces, locomotive car body side wall simple in structure.Because member reduces, the fitting work amount is corresponding having reduced also.
As depicted in figs. 1 and 2, corrugated plating 30 welds mutually with the outside of top beam of laterally 10.Corrugated plating 30 had both played the effect of original skin panel sealing locomotive, played again the supporting role of crossbeam, was saving the raw-material while and improved again intensity and the torsion stiffness of Locomotive Carbody Structure.
As shown in Figure 1, corrugated plating 30 welds mutually with the outside of top beam of laterally 10, mutually welding between corrugated plating 30 and the side wall skeleton 20, and namely corrugated plating 30 welds mutually with top beam of laterally 10 and side wall skeleton 20.The skin panel of locomotive and crossbeam are substituted by corrugated plating 30, and the member of locomotive car body side wall reduces, so assembly welding amount and the welding capacity of locomotive car body side wall are little, weld seam reduces and leg is little, group to easy, welding deformation amount is little, postwelding whole calibration work capacity is little.
The locomotive car body side wall has polylith corrugated plating 30 along short transverse, as shown in Figure 3, and mutually welding between the adjacent corrugated plating 30.Preferably, as shown in Figure 4, adjacent corrugated plating is the overlap joint welding, and the overlap joint welding is more much higher than common butt-welded intensity.The corrugated plating material is weather-proof weldable structure steel plate.The locomotive car body side wall has adopted corrugated plating 30, and its good manufacturability, planeness guarantee that easily the car body outside face is attractive in appearance, but also can satisfy heavy loading locomotive body construction requirement of strength design.
As shown in Figure 1, on the locomotive car body side wall of locomotive car body bodywork length direction, the many corrugated platings 30 of arranging.As shown in Figure 3, preferably, has 2 block weldings corrugated plating 30 together at the locomotive car body side wall along short transverse, 2 corrugated plating 30 weld togethers that this is adjacent.Namely formed by 2 corrugated platings 30 along the corrugated plating 30 on the short transverse of locomotive car body side wall.The assembling of 2 corrugated platings, its group to easy, welding capacity is few, welding deformation amount is little, and enough satisfies the requirement of structural strength, can play again the function of sealing.The integral planar degree of side wall is better, and the car body outside face is also very attractive in appearance.
Preferably, corrugated plating 30 can adopt plane steel plate to be pressed in advance bellows-shaped, and is welded by neighbouring corrugated plating 30 overlap joints, and such production method manufacturability is better.
As shown in Figure 5, top beam of laterally 10 comprises top beam of laterally outside plate 13 and top beam of laterally inner panel 15.
Top beam of laterally 10 is to become an oblique irregular tee section beam by the profiled sheet assembly welding, and namely in the inside along the top beam of laterally 10 on locomotive overall length's direction, the position that part needs to strengthen is provided with brace panel.Because actual needs need be welded with in-vehicle device on the top beam of laterally 10, can be used for installation, fastening in-vehicle device.
Particularly, have along horizontally extending outside plate first paragraph 131 at the cross-sectional plane of top beam of laterally outside plate 13, and the outside plate second segment 133 from the first end of this outside plate first paragraph 131 to downward-extension.Cross-sectional plane at top beam of laterally inner panel 15 has along horizontally extending inner panel first paragraph 151, and from the upwardly extending inner panel second segment 153 of the first end of this inner panel first paragraph 151.The second end of inner panel first paragraph 151 is welded on the inboard of outside plate second segment 133, and the upper end of inner panel second segment 153 is welded on the downside of outside plate first paragraph 131.Wherein, outside plate second segment 133 welds mutually with corrugated plating 30.Top beam of laterally outside plate 13 and top beam of laterally 15 mutual weld togethers, the cavity of a sealing of formation has certain intensity.
Preferably, as shown in Figure 5, the upper end of corrugated plating 30 is welded on the outside of outside plate second segment 133, satisfies intensity and requirement attractive in appearance.Corrugated plating 30 and the 133 overlap joint welding of outside plate second segment, the overlap joint welding is larger than common butt-welded intensity, and safety is better.
As shown in Figure 5, outside plate second segment 133 extends beyond inner panel first paragraph 151 downwards, and the upper end of corrugated plating 30 is lower than the upper end of column 21, and corrugated plating 30 welds mutually with outside plate second segment 133 outsides, preferably, and corrugated plating 30 and the 133 overlap joint welding of outside plate second segment.
As shown in Figure 1, side wall skeleton 20 comprises column 21 and equipment mounting framework 23, as shown in Figure 5, all weld mutually with inner panel first paragraph 151 upper end of column 21 and equipment mounting framework 23, column 21 welds mutually with the inboard of outside plate second segment 133, and equipment mounting framework 23 welds mutually with outside plate second segment 133.Such as Fig. 1 and shown in Figure 5, corrugated plating 30 is welded on the outside of column 21, and welds mutually with equipment mounting framework 23.Wherein, preferably, column can select the die mould channel-section steel to make.In the present embodiment, equipment mounting framework 23 adds cover plate by channel-section steel or the angle steel overlap joint forms the square-section framework, and the welded and installed seat forms again.
According to a preferred embodiment of the present utility model, this locomotive car body side wall comprises that top beam of laterally 10, equipment mounting framework 23, column 21 and corrugated plating 30 assembly weldings consist of.Such locomotive car body sidewall structure design is without crossbeam, and column 21 is without cover plate, and column 21 directly welds with corrugated plating 30.Like this simple in structure and save raw MAT'L, assembly welding amount and welding capacity are little, weld seam reduces and leg is little, group to easy, welding deformation amount is little, postwelding whole calibration work capacity is little.
Owing to substitute skin panel, crossbeam, column cover plate, 30 1 three usefulness of corrugated plating with corrugated plating 30.Corrugated plating 30 can play the function of sealing locomotive, is welded into grid frame structure with column 21 again, has improved like this intensity and the torsion stiffness of body construction.
As shown in Figure 1, corrugated plating 30 welds mutually with the frame facet of equipment mounting framework 23, preferably, as shown in Figure 6 and Figure 7, corrugated plating 30 has two kinds with the Type of Welding of equipment mounting framework 23, preferably, all is to weld for attaching parts 40 transition of " L " shape by the cross section.
As shown in Figure 6, the locomotive car body side wall comprises that the cross section is the attaching parts 40 of " L " shape, and the cross section has the first wall 41 and the second wall 42 for the attaching parts 40 of " L " shape.The first wall 41 welds mutually with equipment mounting framework 23,41 bendings of the second wall 42 opposite first walls, and the second wall 42 is arranged between equipment mounting framework 23 and the corrugated plating 30, and two faces of the second wall 42 weld mutually with equipment mounting framework 23 and corrugated plating 30 respectively.
As shown in Figure 7, the locomotive car body side wall comprises that adapter plate 50 and cross section are the attaching parts 40 of " L " shape, and this structure is applicable to spacing when corrugated plating 30 and equipment mounting framework 23 when larger.Equipment mounting framework 23 welds mutually with the first surface 51 of adapter plate 50, and corrugated plating 30 is with second 52 mutually welding of the adapter plate 50 vertical with first surface 51; The cross section has the first wall 41 and the second wall 42 for the attaching parts 40 of " L " shape.The first wall 41 welds mutually with equipment mounting framework 23.The second wall 42, opposite first walls 41 bending is arranged between equipment mounting framework 23 and the corrugated plating 30, weld mutually with corrugated plating 30, and the bottom face of the second wall 42 and adapter plate 50 second 52 welds mutually.
The cross section is the attaching parts 40 of " L " shape, has both played the effect that connects corrugated plating 30 and equipment mounting framework 23, also plays the sealing function between the two, and has increased the Joint strenght of corrugated plating 30 and equipment mounting framework 23.Preferably, angle steel can be selected for the attaching parts 40 of " L " shape in the cross section.
As shown in Figure 5, top beam of laterally 10 also comprises top cover mount pad 17.Top cover mount pad 17 welds mutually with the upside of outside plate first paragraph 131, and welds mutually with the outside of the 3rd section 135 of the upwardly extending outside plate of the second end of outside plate first paragraph 131.Be welded with top cover mount pad 17 on the top beam of laterally 10, be convenient to installation, fastening covering for roofs.
Consider need to be in locomotive erecting equipment, as shown in Figure 5, top beam of laterally 10 also comprises equipment mount pad 19.Equipment mount pad 19 is arranged in outside plate first paragraph 131 and the inner panel second segment 153 formed corner regions.Equipment mount pad 19 comprises the 3rd wall 191 and wall 192.Wherein, preferably, the downside of the part of the 3rd wall 191 and outside plate first paragraph 131 welds mutually, and some welds mutually with the 3rd wall 191.Wall 192 welds mutually with inner panel second segment 153.
The utility model also provides a kind of locomotive, has the locomotive car body base plate and is connected to vertically locomotive car body side wall on the locomotive car body base plate, and the locomotive car body side wall is the locomotive car body side wall in the preferred embodiment that comprises in the utility model.Adopt the locomotive of the locomotive car body side wall in the preferred embodiment in the utility model, the planeness of this locomotive appearance guarantees that easily the car body outside face is attractive in appearance.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1, simple in structure, the fitting work amount is little, saves raw MAT'L;
2, assembly welding amount and welding capacity are little, weld seam reduces and leg is little, group to easy, welding deformation amount is little, postwelding whole calibration work capacity is little;
3, good manufacturability, planeness guarantee that easily the car body outside face is attractive in appearance, can satisfy heavy loading locomotive body construction requirement of strength design.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (12)
1. locomotive car body side wall comprises:
Top beam of laterally (10);
Side wall skeleton (20), the lower end of surveying beam (10) with described top is connected;
It is characterized in that, also comprise:
Corrugated plating (30) is connected with described side wall skeleton (20) with described top beam of laterally (10) respectively.
2. locomotive car body side wall according to claim 1 is characterized in that, described corrugated plating (30) welds mutually with the outside of described top beam of laterally (10).
3. locomotive car body side wall according to claim 1 is characterized in that, described locomotive car body side wall has the described corrugated plating of polylith (30) along short transverse, mutually welding between the adjacent described corrugated plating (30).
4. locomotive car body side wall according to claim 3 is characterized in that, described corrugated plating (30) is 2.
5. locomotive car body side wall according to claim 1 is characterized in that, described top beam of laterally (10) comprising:
Top beam of laterally outside plate (13) has along horizontally extending outside plate first paragraph (131) and the outside plate second segment (133) from the first end of described outside plate first paragraph (131) to downward-extension at its cross-sectional plane;
Top beam of laterally inner panel (15), have along horizontally extending inner panel first paragraph (151) and from the upwardly extending inner panel second segment of the first end of described inner panel first paragraph (151) (153) at its cross-sectional plane, the second end of described inner panel first paragraph (151) is welded on the inboard of described outside plate second segment (133), and the upper end of described inner panel second segment (153) is welded on the downside of described outside plate first paragraph (131);
Wherein, described outside plate second segment (133) welds mutually with described corrugated plating (30).
6. locomotive car body side wall according to claim 5 is characterized in that,
Described outside plate second segment (133) extends beyond described inner panel first paragraph (151) downwards;
Described side wall skeleton (20) comprises column (21) and equipment mounting framework (23), all weld mutually with described inner panel first paragraph (151) upper end of described column (21) and described equipment mounting framework (23), described column (21) welds mutually with the inboard of described outside plate second segment (133), and described equipment mounting framework (23) welds mutually with described outside plate second segment (133).
7. locomotive car body side wall according to claim 6, it is characterized in that, described corrugated plating (30) is welded on the outside of described column (21), described corrugated plating (30) welds mutually with described equipment mounting framework (23), and the upper end of described corrugated plating (30) is welded on the outside of described outside plate second segment (133).
8. locomotive car body side wall according to claim 7 is characterized in that, described locomotive car body side wall also comprises:
The cross section is the attaching parts (40) of " L " shape, and it has:
The first wall (41) welds mutually with described equipment mounting framework (23);
The second wall (42), relatively described the first wall (41) bending is arranged between described equipment mounting framework (23) and the described corrugated plating (30), with described equipment mounting framework (23) and respectively mutually welding of described corrugated plating (30).
9. locomotive car body side wall according to claim 7 is characterized in that, described locomotive car body side wall also comprises:
Adapter plate (50), described equipment mounting framework (23) welds mutually with the first surface (51) of described adapter plate (50), and described corrugated plating (30) welds mutually with second (52) of the described adapter plate (50) vertical with described first surface (51);
The cross section is the attaching parts (40) of " L " shape, and it has:
The first wall (41) welds mutually with described equipment mounting framework (23);
The second wall (42), relatively described the first wall (41) bending, be arranged between described equipment mounting framework (23) and the described corrugated plating (30), weld mutually with described corrugated plating (30), and the bottom face of described the second wall (42) welds mutually with second (52) of described adapter plate (50).
10. locomotive car body side wall according to claim 5 is characterized in that, described top beam of laterally (10) also comprises:
Top cover mount pad (17) welds mutually with the upside of described outside plate first paragraph (131), and welds mutually with the outside of the upwardly extending outside plate of the second end the 3rd section (135) of described outside plate first paragraph (131).
11. locomotive car body side wall according to claim 5 is characterized in that, described top beam of laterally (10) also comprises:
Equipment mount pad (19) is arranged in described outside plate first paragraph (131) and the formed corner region of described inner panel second segment (153), and described equipment mount pad (19) comprising:
The 3rd wall (191), the downside of its at least part of and described outside plate first paragraph (131) welds mutually;
Wall (192) welds mutually with described inner panel second segment (153).
12. a locomotive has the locomotive car body base plate and is connected to vertically locomotive car body side wall on the described locomotive car body base plate, it is characterized in that described locomotive car body side wall is each the described locomotive car body side wall in the claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356190 CN202657037U (en) | 2012-07-18 | 2012-07-18 | Locomotive body sidewalls and locomotive with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356190 CN202657037U (en) | 2012-07-18 | 2012-07-18 | Locomotive body sidewalls and locomotive with same |
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| Publication Number | Publication Date |
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| CN202657037U true CN202657037U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220356190 Expired - Fee Related CN202657037U (en) | 2012-07-18 | 2012-07-18 | Locomotive body sidewalls and locomotive with same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083306A (en) * | 2015-08-11 | 2015-11-25 | 南车眉山车辆有限公司 | High-capacity pallet transport boxcar |
| CN106740920A (en) * | 2016-12-01 | 2017-05-31 | 中车青岛四方机车车辆股份有限公司 | Track vehicle body structure and the rail vehicle with it |
| CN111907541A (en) * | 2019-06-04 | 2020-11-10 | 中车大同电力机车有限公司 | Underframe side wall structure and locomotive body |
| CN113291335A (en) * | 2021-05-24 | 2021-08-24 | 常州市新创智能科技有限公司 | High-speed motor train unit body structure |
-
2012
- 2012-07-18 CN CN 201220356190 patent/CN202657037U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083306A (en) * | 2015-08-11 | 2015-11-25 | 南车眉山车辆有限公司 | High-capacity pallet transport boxcar |
| CN105083306B (en) * | 2015-08-11 | 2017-08-29 | 中车眉山车辆有限公司 | A kind of big volume palletized transport box car |
| CN106740920A (en) * | 2016-12-01 | 2017-05-31 | 中车青岛四方机车车辆股份有限公司 | Track vehicle body structure and the rail vehicle with it |
| CN111907541A (en) * | 2019-06-04 | 2020-11-10 | 中车大同电力机车有限公司 | Underframe side wall structure and locomotive body |
| CN113291335A (en) * | 2021-05-24 | 2021-08-24 | 常州市新创智能科技有限公司 | High-speed motor train unit body structure |
| CN113291335B (en) * | 2021-05-24 | 2022-04-05 | 常州市新创智能科技有限公司 | High-speed motor train unit body structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20190718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |