CN111098876A - General chassis of empty railway vehicle, bottom structure and empty railway vehicle - Google Patents
General chassis of empty railway vehicle, bottom structure and empty railway vehicle Download PDFInfo
- Publication number
- CN111098876A CN111098876A CN202010028435.2A CN202010028435A CN111098876A CN 111098876 A CN111098876 A CN 111098876A CN 202010028435 A CN202010028435 A CN 202010028435A CN 111098876 A CN111098876 A CN 111098876A
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- Prior art keywords
- underframe
- air
- railway vehicle
- floor
- beams
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- 239000012780 transparent material Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B3/00—Elevated railway systems with suspended vehicles
-
- 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
- B61D17/10—Floors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a general underframe and a bottom structure of an empty rail vehicle and the empty rail vehicle, and belongs to the field of suspension type monorail traffic. The underframe comprises two side longitudinal beams, two end cross beams and a support assembly, wherein two ends of each side longitudinal beam are respectively connected with the two end cross beams; the two side longitudinal beams and the two end cross beams form a frame structure; the support assembly is fixedly attached to the frame structure. The upper part of the supporting component can be used for connecting different floors, and the bottom of the underframe can be used for connecting different decorative plates; thereby enabling the chassis to be used for both transparent and opaque armatures. And after the air-railway vehicle is manufactured, if the air-railway vehicle needs to be modified, only the floor and the decorative plate need to be replaced. Therefore, the chassis has high versatility, and can be applied to a transparent hollow member and an opaque hollow member.
Description
Technical Field
The invention relates to the field of suspended monorail traffic, in particular to a universal underframe and a bottom structure for an empty railway vehicle and the empty railway vehicle.
Background
With the increasingly prominent urban traffic jam problem, the suspended air-rail train has an increasing prospect as a public transport tool capable of solving the traffic jam problem and is accepted by more and more cities. The rail of the air-rail train provided by the related art is positioned above the train and supported by a rail upright post, and the air-rail train is hung below the rail to run in the midair. Compared with subways, tramways and straddle-type monorail transit vehicles, the suspension-type air-iron has the remarkable advantages of low engineering cost, short construction period, small occupied area, low noise and strong environment adaptability, is an important supplement of the urban rail transit mode in China, can form three-dimensional traffic together with the existing traffic mode, and is particularly more suitable for tour and sightseeing traffic.
However, in a general project, a transparent air iron for a main taxi and an opaque air iron for a main passenger are required to be configured at the same time, the two vehicles adopt different design schemes of vehicle body underframe, and the vehicle body structure, the section mould and the production and manufacturing are different, so that the cost is high, and the scheme is difficult to modify in the later use process.
Disclosure of Invention
The invention aims to provide a universal underframe for an air-rail vehicle, which is suitable for both transparent air-rail and non-transparent air-rail.
The invention further aims to provide an empty railway vehicle bottom structure and an empty railway vehicle, which adopt the empty railway vehicle universal chassis.
The invention is realized by the following steps:
a general underframe for an air-railway vehicle comprises two edge longitudinal beams, two end cross beams and a support assembly, wherein two ends of the two edge longitudinal beams are respectively connected with the two end cross beams to form a frame structure; the support assembly is fixedly connected to the frame structure.
Further, the method comprises the following steps of;
the supporting assembly comprises a plurality of middle cross beams and at least two middle longitudinal beams, and the middle cross beams are in cross connection with the middle longitudinal beams.
Further, the method comprises the following steps of;
the inner side of the edge longitudinal beam is provided with a supporting platform, and the supporting surface of the supporting platform is lower than the upper plane of the edge longitudinal beam and is flush with the upper surface of the supporting component.
Further, the method comprises the following steps of;
the middle longitudinal beam is made of square section bars (such as square steel or square aluminum materials), and the supporting platform is made of triangular section bars (such as triangular steel or triangular aluminum materials).
Further, the method comprises the following steps of;
the lower surfaces of the end part cross beam and the middle part cross beam are downward convex curved surfaces.
The utility model provides an empty railway vehicle bottom structure, includes floor, decorative board and empty railway vehicle general chassis, the floor connect in support assembly's upper portion, the decorative board connect in the lower part of chassis.
Further, the method comprises the following steps of;
the floor board and the decorative board are both made of transparent materials.
Further, the method comprises the following steps of;
and floor cloth is also bonded on the floor.
Further, the method comprises the following steps of;
the decorative plate is detachably connected with the bottom frame; the floor is fixedly connected, for example adhesively bonded or bolted, to the universal chassis.
An empty railway vehicle comprises the empty railway vehicle bottom structure.
The technical scheme provided by the invention has the beneficial effects that:
according to the universal underframe and the bottom structure of the air-rail vehicle and the air-rail vehicle obtained through the design, as the upper part of the supporting component can be used for connecting different floors (such as transparent floors or rechecked floors), and the bottom of the underframe can be used for connecting different decorative plates; thereby enabling the chassis to be used for both transparent and opaque armatures. And after the air-railway vehicle is manufactured, if the air-railway vehicle needs to be modified, only the floor and the decorative plate need to be replaced. Therefore, the chassis has high versatility, and can be applied to a transparent hollow member and an opaque hollow member.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic cross-sectional structure view of a universal underframe of an air-railway vehicle provided by an embodiment of the invention;
FIG. 2 is an isometric view of a universal undercarriage for an empty rail vehicle provided by an embodiment of the present invention;
FIG. 3 is an exploded view of a non-transparent space-rail vehicle universal undercarriage provided by an embodiment of the invention;
FIG. 4 is an isometric view of a transparent empty railway vehicle universal chassis provided by an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional structure view of a transparent universal underframe for a hollow railway vehicle according to an embodiment of the invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 provided by an embodiment of the present invention;
FIG. 7 is an isometric view of a non-transparent air-railway vehicle universal undercarriage provided by an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a universal underframe of a non-transparent air-railway vehicle according to an embodiment of the invention;
FIG. 9 is an enlarged partial view of FIG. 8 provided in accordance with an embodiment of the present invention;
fig. 10 is an exploded view of a non-transparent underframe for an air-railway vehicle according to an embodiment of the invention.
Icon: 10-a chassis; 11-edge stringer; 12-a mid-rail; 13-a middle cross beam; 14-end cross member; 20-a transparent floor; 30-transparent decorative plate; 41-adhesive glue; 50-composite floor; 60-floor cloth; 70-outer decorative board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Example 1:
referring to fig. 1 and fig. 2, the present embodiment provides a universal underframe 10 for an empty railway vehicle, which is a frame structure as a whole; the underframe 10 comprises two side longitudinal beams 11, two end cross beams 14 and a support assembly, wherein the two side longitudinal beams 11 are arranged in parallel at intervals, and the two end cross beams 14 are arranged in parallel at intervals; both ends of the two side longitudinal beams 11 are connected with both ends of the two end cross beams 14 respectively to form a frame structure. The supporting component is fixedly connected in the frame structure and used for supporting the floor.
The support assembly comprises a plurality of middle cross beams 13 and at least two middle longitudinal beams 12, wherein the middle cross beams 13 and the middle longitudinal beams 12 are connected in a crossed mode. The middle cross beam 13 and the end cross beam 14 are consistent in structural shape, the lower surface of the middle cross beam is a downward convex curved surface, and the upper surface of the middle cross beam is a horizontal plane; the structure can improve the bearing capacity of the whole cross beam (the end cross beam and the middle cross beam). The middle longitudinal beam 12 is arranged between two adjacent cross beams, and two ends of the middle longitudinal beam 12 are respectively connected with the adjacent cross beams; the two adjacent cross beams refer to two adjacent middle cross beams 13 or end cross beams 14 and the middle cross beam 13 adjacent to the two adjacent middle cross beams. The middle longitudinal beams 12 are divided into two groups, and each group of the middle longitudinal beams 12 are positioned on the same straight line; the two sets of middle stringers 12 are spaced apart in parallel. The structure of the supporting component ensures that the whole bearing capacity is higher, and the bearing capacities of different parts of the whole supporting component are more uniform; which can prevent damage to the support assembly caused by local weak load bearing capacity.
The middle longitudinal beam 12 comprises two square steels fixed by welding, and the two square steels are arranged side by side; the structure can improve the strength of the middle longitudinal beam 12, so that the upper surface of the middle longitudinal beam 12 is wider, and the floor can be conveniently installed. A support platform is welded on the inner side of the side rail 11, and the support surface of the support platform is lower than the upper plane of the side rail 11, so that the support platform and the side rail 11 form a step shape. And the support surface of the support bench is flush with the upper surface of the center stringer 12. The support platform is arranged to facilitate positioning and installation of the floor adjacent to the edge rail 11.
Furthermore, the supporting platform adopts triangular steel; the triangular steel structure can enable the supporting platform to be more reliably connected with the side longitudinal beam 11, and the stability of the supporting platform can be improved. The supporting tables, the supporting assemblies, the cross beams (including the end cross beams 14 and the middle cross beams 13) and the longitudinal beams (including the side longitudinal beams 11 and the middle longitudinal beams 12) are matched with each other, so that the whole of the underframe 10 is high in strength and is not easy to deform under stress.
The underframe 10 provided by the embodiment is preferably made of an aluminum alloy profile or a magnesium alloy profile by welding, and in other embodiments, carbon steel or stainless steel and carbon fiber can be used.
Example 2:
referring to fig. 3 to 6, the present embodiment provides a transparent type air-railway vehicle bottom structure, which includes a transparent floor 20, a transparent decorative plate 30 and the air-railway vehicle universal chassis 10 provided in embodiment 1; wherein the floor is coupled to the upper portion of the support assembly and the decorative panel is coupled to the lower portion of the base frame 10.
The transparent floor 20 is made of a transparent material, such as transparent tempered glass, transparent acrylic or other similar transparent materials, or a composite structure of several transparent materials. The transparent floor 20 in this embodiment uses transparent glass, and the upper surface of the transparent glass has certain abrasion resistance and impact resistance.
The transparent decorative plate 30 is a curved plate having a cross section of a concave arc structure. The two side edges of the transparent decorative plate 30 are detachably connected with the two side longitudinal beams 11. The transparent decorative plate 30 is designed as a curved plate, which is not only beautiful but also not easily deformed. The transparent decorative plate 30 may be made of tempered glass (single-layer or multi-layer), transparent acrylic or other similar transparent materials, or a composite structure of several transparent materials. The transparent decorative plate 30 mainly plays a decorative role and is required to be light in weight. The bolt connection is preferred if the transparent decorative plate 30 needs to be frequently opened for cleaning or replacement, and other connection means may be selected otherwise.
Example 3:
referring to fig. 7-10, the present embodiment provides a non-transparent type bottom structure of a railway vehicle, which also uses the underframe 10 as a mounting base, and lays a composite floor 50 commonly used for railway vehicles on the underframe, and the underframe 10 and the composite floor 50 are connected by an adhesive 41; a layer of floor cloth 60 is adhered on the upper part of the composite floor 50 to be used as the upper surface of the vehicle floor; an external decorative plate is arranged at the lower part of the underframe 10, and can adopt a bolt connection or an adhesion mode.
Preferably, the composite floor 50 may be selected from a sandwich composite floor 50, an aluminum honeycomb floor, an extruded aluminum profile, etc., which is similar to a floor structure commonly used for railway vehicles and will not be described in detail.
Preferably, the lower-mounted outer decorative plate 70 is made of aluminum-plastic plate, glass fiber reinforced plastic, aluminum plate, carbon fiber, or the like, and the structure mainly plays a decorative role. Similar to the floor structure commonly used for rail vehicles, will not be described in detail.
Example 4:
the present embodiment provides an air-rail vehicle including a cabin body and the air-rail vehicle bottom structure provided in embodiment 2 or 3; the carriage body is connected to the upper part of the bottom structure of the empty railway vehicle.
Because the underframe 10 adopted by the air-raid railway vehicle is the universal underframe 10, when the air-raid railway vehicle needs to be modified (for example, a non-transparent air rail is modified into a transparent air rail), only the floor and the decorative plate need to be replaced.
It should be noted that the terms "upper" and "lower" used in this application are used to refer to the normal suspension of the hollow railway vehicle in the track beam.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The universal underframe for the air-railway vehicles is characterized by comprising two edge longitudinal beams, two end cross beams and a support assembly, wherein two ends of each edge longitudinal beam are respectively connected with the two end cross beams; the two side longitudinal beams and the two end cross beams form a frame structure; the support assembly is fixedly connected to the frame structure.
2. The air-rail vehicle utility chassis of claim 1, wherein the support assembly comprises a plurality of central cross-members and at least two central longitudinal members, the central cross-members and central longitudinal members being cross-connected.
3. The space vehicle utility undercarriage of claim 2, wherein said edge rail is provided with a support ledge on an inboard side thereof, said support ledge having a support surface below an upper plane of said edge rail and flush with an upper surface of said support assembly.
4. The space-train, universal undercarriage of claim 3, wherein said central longitudinal beam is a square profile and said support platform is a triangular profile.
5. The space vehicle utility underframe of claim 2, wherein lower surfaces of said end cross members and said middle cross member are curved surfaces that are convex downward.
6. An air-railway vehicle substructure, comprising a floor panel attached to an upper portion of the support assembly, a decorative panel attached to a lower portion of the underframe, and the air-railway vehicle utility underframe of any one of claims 1-5.
7. The air-rail vehicle substructure according to claim 6, wherein said floor panel and said decorative panel are both made of a transparent material.
8. The bottom structure of an empty railway vehicle according to claim 6, characterized in that floor cloth is further adhered to the floor.
9. The air-railway vehicle substructure according to claim 6, wherein said trim panel is detachably connected to said underframe; the floor is fixedly connected with the universal underframe.
10. An empty rail vehicle, characterized in that the empty rail vehicle comprises an empty rail vehicle universal chassis according to any one of claims 1-5 or an empty rail vehicle underbody structure according to any one of claims 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028435.2A CN111098876A (en) | 2020-01-10 | 2020-01-10 | General chassis of empty railway vehicle, bottom structure and empty railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028435.2A CN111098876A (en) | 2020-01-10 | 2020-01-10 | General chassis of empty railway vehicle, bottom structure and empty railway vehicle |
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| Publication Number | Publication Date |
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| CN111098876A true CN111098876A (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010028435.2A Pending CN111098876A (en) | 2020-01-10 | 2020-01-10 | General chassis of empty railway vehicle, bottom structure and empty railway vehicle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204330A (en) * | 2018-08-29 | 2019-01-15 | 中车南京浦镇车辆有限公司 | A kind of big visual field suspension type sky rail train |
| CN208602485U (en) * | 2018-07-11 | 2019-03-15 | 中建空列（北京）科技有限公司 | Empty iron train |
| CN209336726U (en) * | 2018-12-13 | 2019-09-03 | 成都天智轻量化科技有限公司 | Rigidity-enhanced reinforced magnesium alloy suspension type aerial train body |
| CN210310344U (en) * | 2019-07-22 | 2020-04-14 | 通号轨道车辆有限公司 | Suspension type rail vehicle and carriage floor thereof |
| CN211468442U (en) * | 2020-01-10 | 2020-09-11 | 中唐空铁科技有限公司 | General chassis of empty railway vehicle, bottom structure and empty railway vehicle |
-
2020
- 2020-01-10 CN CN202010028435.2A patent/CN111098876A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208602485U (en) * | 2018-07-11 | 2019-03-15 | 中建空列（北京）科技有限公司 | Empty iron train |
| CN109204330A (en) * | 2018-08-29 | 2019-01-15 | 中车南京浦镇车辆有限公司 | A kind of big visual field suspension type sky rail train |
| CN209336726U (en) * | 2018-12-13 | 2019-09-03 | 成都天智轻量化科技有限公司 | Rigidity-enhanced reinforced magnesium alloy suspension type aerial train body |
| CN210310344U (en) * | 2019-07-22 | 2020-04-14 | 通号轨道车辆有限公司 | Suspension type rail vehicle and carriage floor thereof |
| CN211468442U (en) * | 2020-01-10 | 2020-09-11 | 中唐空铁科技有限公司 | General chassis of empty railway vehicle, bottom structure and empty railway vehicle |
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Effective date of registration: 20210416 Address after: 610200 Sichuan Chengdu Shuangliu Economic Development Zone, Shuangliu Industrial Development Zone Applicant after: HEIDONG TECHNOLOGY Co.,Ltd. Address before: 610000, No. 1, building 8, building 966, 4, 1, Tianfu Road, Chengdu high tech Zone, Sichuan, China Applicant before: ZTSR TECHNOLOGY Co.,Ltd. |