CN113184006A - Rail vehicle and vehicle end hinge structure and vehicle end hinge mounting structure thereof - Google Patents
Rail vehicle and vehicle end hinge structure and vehicle end hinge mounting structure thereof Download PDFInfo
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- CN113184006A CN113184006A CN202110583624.0A CN202110583624A CN113184006A CN 113184006 A CN113184006 A CN 113184006A CN 202110583624 A CN202110583624 A CN 202110583624A CN 113184006 A CN113184006 A CN 113184006A
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- rail vehicle
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- vehicle end
- end hinge
- floor
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- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract 2
- 238000003466 welding Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a rail vehicle and a vehicle end hinge structure and a vehicle end hinge mounting structure thereof, wherein the vehicle end hinge mounting structure comprises a structure main body, two ends of the structure main body are respectively provided with a side beam mounting seat, the side beam mounting seats are used for being detachably connected with a side beam of a vehicle body underframe, the front side surface of the structure main body is provided with a hinge device mounting seat, the hinge device mounting seats are used for being detachably connected with a hinge device, the rear side surface of the structure main body is provided with a floor connecting seat, and the floor connecting seat is used for being detachably connected with a floor of the vehicle body underframe; above-mentioned rail vehicle car end hinge joint mounting structure passes through boundary beam mount pad and floor connecting seat and can dismantle with the bottom plate of automobile body chassis and two boundary beams respectively and be connected, is convenient for maintain and change to can make automobile body chassis atress even to automobile body boundary beam and floor region with the stress dispersion who bears, the dispersion chassis bears, makes the difficult fatigue damage that appears in automobile body chassis and rail vehicle car end hinge joint mounting structure's junction.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a railway vehicle and a vehicle end hinge structure and a vehicle end hinge mounting structure thereof.
Background
The two adjacent car bodies of the rail car are connected through the hinge device, in order to be connected with the hinge device, the hinge installation structure is generally required to be welded on the car body underframe, the problem of poor welding property of dissimilar metals is solved, the hinge installation structure is generally made of aluminum alloy materials identical with the car body underframe, in the using process, the load borne by the hinge installation structure is directly transmitted to the floor of the car body underframe, the thickness of the section bar of the floor of the car body underframe is thin, the fatigue strength of aluminum alloy base materials and welding lines is low, the stress of the welding structure is relatively concentrated, so that the alternating stress generated by frequent bearing and transmission of car traction and braking easily causes fatigue damage, and the welding structure is not easy to maintain and replace.
Disclosure of Invention
A first object of the present invention is to provide a rail vehicle end hinge mounting structure which is easy to maintain and replace, and at the same time avoids the problem of fatigue damage due to stress concentration.
The invention also provides a railway vehicle end hinge structure based on the railway vehicle end hinge mounting structure and a railway vehicle.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a rail vehicle car end hinge joint mounting structure, includes the main structure body, the both ends of main structure body are provided with the boundary beam mount pad respectively, the boundary beam mount pad is used for can dismantling with automobile body chassis boundary beam and is connected, the front side surface of main structure body is provided with the articulated mounting mount pad, the articulated mounting mount pad is used for dismantling with articulated mounting and is connected, the rear side surface of main structure body is provided with the floor connecting seat, the floor connecting seat is used for dismantling with automobile body chassis floor and is connected.
Preferably, the structural body is a box beam structure.
Preferably, a reinforcing rib plate arranged along the length direction and/or the width direction of the structural body is arranged in the inner cavity of the structural body.
Preferably, the structural body includes a middle portion and two side portions, the two side portions are respectively connected to two ends of the middle portion, the side beam mounting seat is disposed at one end of the side portion, which is far away from the middle portion, and the cross-sectional size of the middle portion is larger than that of the side portions.
Preferably, the upper surface of the intermediate portion is flush with the upper surfaces of the two side edge portions.
Preferably, the floor connecting seat includes a main connecting seat provided at the middle portion and a plurality of sub-connecting seats provided at the two side edge portions, respectively.
Preferably, the upper surface of the structure body and the upper surface of the floor connecting seat are respectively provided with a strip-shaped mounting hole for mounting the rail vehicle end hinged mounting structure on a floor of a vehicle body underframe, and the lower surface of the structure body is provided with a hollow hole.
Preferably, the floor connecting seat comprises a connecting plate and a plurality of supporting rib plates, the connecting plate is connected with the structural main body, each supporting rib plate is respectively connected with the connecting plate and the structural main body, and the connecting plate is provided with the strip-shaped mounting hole.
Preferably, a reinforcing rib is arranged between the edge beam mounting seat and the structure main body.
Preferably, the boundary beam mount pad includes interconnect's first mounting panel and second mounting panel, first mounting panel with the main structure connects, first mounting panel and the second mounting panel can be dismantled with automobile body chassis boundary beam respectively and be connected.
Preferably, the structural body, the edge beam mounting base and the floor connecting base are all made of steel.
The utility model provides a rail vehicle car end hinge structure, includes articulated mounting structure and as above arbitrary rail vehicle car end hinge mounting structure, articulated mounting structure's both ends respectively with two rail vehicle car end hinge mounting structure's articulated mounting seat can dismantle the connection, two rail vehicle car end hinge mounting structure connects respectively in two adjacent automobile body chassis.
A rail vehicle comprising a rail vehicle end articulation structure as described above.
According to the technical scheme, the invention discloses a rail vehicle end hinged mounting structure which comprises a structure main body, wherein two ends of the structure main body are respectively provided with a side beam mounting seat, the side beam mounting seats are used for being detachably connected with a side beam of a vehicle body underframe, the front side surface of the structure main body is provided with a hinged device mounting seat, the hinged device mounting seat is used for being detachably connected with a hinged device, the specific structure on the hinged device mounting seat can be adjusted according to the structure and the size of the hinged device, can be processed in advance according to the type of the hinged device and can also be processed on an assembly site, the rear side surface of the structure main body is provided with a floor connecting seat, and the floor connecting seat is used for being detachably connected with a floor of the vehicle body underframe; the rail vehicle end hinged mounting structure is detachably connected with the bottom plate of the vehicle body bottom frame and the two side beams through the side beam mounting seat and the floor connecting seat respectively, so that borne stress can be dispersed to the regions of the vehicle body side beams and the floor, the stress of the vehicle body bottom frame is uniform, the chassis is dispersed to bear, the stress value is reduced, fatigue damage is not easy to occur at the joint of the vehicle body bottom frame and the rail vehicle end hinged mounting structure, meanwhile, the rail vehicle end hinged mounting structure and the vehicle body bottom frame are detachably connected, maintenance and replacement of the rail vehicle end hinged mounting structure are facilitated, the rail vehicle end hinged mounting structure does not need to adopt materials consistent with the vehicle body bottom frame, the rail vehicle end hinged mounting structure can be made of steels with higher strength relative to aluminum alloy materials, and the rail vehicle end hinged mounting structure has better strength integrally, Rigidity and fatigue performance, alternating load generated in the running process of the vehicle can be better borne, and the fatigue life of the vehicle is prolonged.
The invention also provides a rail vehicle end hinged structure based on the rail vehicle end hinged mounting structure and a rail vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rail vehicle end hinge mounting structure from a perspective provided by an embodiment of the present invention;
FIG. 2 is a schematic structural view of a rail vehicle end hinge mounting structure from another perspective provided by an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of a rail vehicle end hinge mounting structure provided in an embodiment of the present invention;
fig. 4 is a schematic view of an assembly structure of a rail vehicle end hinge mounting structure and a vehicle body underframe from a viewing angle according to an embodiment of the present invention;
fig. 5 is a schematic view of an assembly structure of a rail vehicle end hinge mounting structure and a vehicle body underframe from another view angle according to an embodiment of the invention.
Wherein, in the figure:
1 is a structure main body; 101 is a middle part; 102 is a side edge part; 2 is a boundary beam mounting seat; 3 is a floor connecting seat; 301 is a main connecting seat; 302 is a sub-connecting seat; 4 is a hinge device mounting seat; 5 is a reinforcing rib; 6 is a hollow hole; 7 is a reinforcing rib plate; 8 is a vehicle body underframe boundary beam; and 9 is a vehicle body underframe floor.
Detailed Description
The invention provides a railway vehicle end hinged mounting structure, which is convenient to maintain and replace due to the structural design and avoids the problem of fatigue damage caused by stress concentration.
The other core of the invention is to provide a rail vehicle end hinge structure based on the rail vehicle end hinge mounting structure and a rail vehicle.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural view of a vehicle end hinge mounting structure of a railway vehicle at a viewing angle according to an embodiment of the present invention, and fig. 2 is a schematic structural view of the vehicle end hinge mounting structure of the railway vehicle at another viewing angle according to an embodiment of the present invention.
The embodiment of the invention discloses a rail vehicle end hinged mounting structure, which comprises a structure main body 1, wherein two ends of the structure main body 1 are respectively provided with a side beam mounting seat 2, the side beam mounting seats 2 are used for being detachably connected with a side beam 8 of a vehicle body underframe, the front side surface of the structure main body 1 is provided with a hinged device mounting seat 4, the hinged device mounting seat 4 and the structure main body 1 can be of an integral structure or can be of a split structure and then welded and connected, the hinged device mounting seat 4 is used for being detachably connected with a hinged device, the specific structure on the hinged device mounting seat 4 can be adjusted according to the structure and the size of the hinged device, can be machined in advance according to the type of the hinged device and can also be machined in an assembly site, the rear side surface of the structure main body 1 is provided with a floor connecting seat 3, and the floor connecting seat 3 is used for being detachably connected with a floor 9 of the vehicle body underframe, the rail vehicle end hinged mounting structure can be connected with a vehicle body underframe floor 9 only through the floor connecting seat 3, or the structure body 1 and the floor connecting seat 3 can be connected with the vehicle body underframe at the same time.
It can be seen that, compared with the prior art, the rail vehicle end hinged mounting structure provided by the embodiment of the invention is detachably connected with the bottom plate of the vehicle body underframe and the two side beams through the side beam mounting seat 2 and the floor connecting seat 3 respectively, as shown in fig. 4 and 5, the borne stress can be dispersed to the vehicle body side beams and the floor area, so that the vehicle body underframe is uniformly stressed, the chassis bearing is dispersed, the stress value is reduced, the fatigue damage is not easy to occur at the joint of the vehicle body underframe and the rail vehicle end hinged mounting structure, meanwhile, the rail vehicle end hinged mounting structure is detachably connected with the vehicle body underframe, which not only facilitates the maintenance and replacement of the rail vehicle end hinged mounting structure, but also ensures that the rail vehicle end hinged mounting structure does not need to be made of materials consistent with the vehicle body underframe, and can be made of steels with higher strength relative to aluminum alloy materials, the hinged mounting structure of the rail vehicle end has better strength, rigidity and fatigue performance, better bears the alternating load generated by the vehicle in the running process, and prolongs the fatigue life of the vehicle.
It can be understood that the structural body 1 of the rail vehicle end hinge mounting structure is a main stress bearing structure, and the strength of the structural body is related to the strength of the whole rail vehicle end hinge mounting structure, so in order to improve the strength of the structural body 1, in the embodiment of the invention, the structural body 1 is in a box-shaped beam structure, and the box-shaped beam structure can be formed by welding a plurality of steel plates or by welding a whole steel plate after being bent.
In the embodiment of the present invention, the edge beam mounting seat 2 and the floor connecting seat 3 are respectively welded to the structural body 1, but it should be noted that in other embodiments, the edge beam mounting seat 2 and the floor connecting seat 3 may be connected to the structural body 1 by other methods, such as threaded fastener connection, rivet connection, and the like.
Further optimizing the above technical solution, the cavity of the structural main body 1 is provided with one or more reinforcing rib plates 7 arranged along the length direction and/or the width direction of the structural main body 1, so as to improve the strength and the rigidity of the structural main body 1, as shown in fig. 3, in the embodiment of the present invention, at least between the front side surface and the rear side surface of the structural main body 1, a plurality of reinforcing rib plates 7 arranged at intervals are provided.
Preferably, as shown in fig. 1 to 3, the structure body 1 includes a middle portion 101 and two side portions 102, the two side portions 102 are respectively connected to two ends of the middle portion 101, the side sill mounting seat 2 is disposed at one end of the side portion 102 away from the middle portion 101, the hinge device mounting seat 4 and the floor connecting seat 3 are respectively disposed on a front side surface and a rear side surface of the middle portion 101, and a cross-sectional dimension of the middle portion 101 is larger than a cross-sectional dimension of the side portions 102, so that the structure body 1 can be formed into a fish belly structure, and the structure body 1 has higher strength in the middle portion 101 which is mainly stressed.
Further, to facilitate the installation of the above-described rail vehicle end hinge mounting structure, in the present embodiment, the upper surface of the middle portion 101 is flush with the upper surfaces of the two side edge portions 102, while the mounting surface of the floor connecting socket 3 is also flush with the upper surfaces of the middle portion 101 and the two side edge portions 102.
Preferably, the floor connector holder 3 includes a main connector holder 301 and a plurality of sub connector holders 302, the main connector holder 301 is disposed on the middle portion 101, and each of the sub connector holders 302 is disposed on two side portions 102, respectively, as shown in fig. 1 to 3, the floor connector holder 3 includes two sub connector holders 302, and the two sub connector holders 302 are symmetrically disposed on two sides of the main connector holder 301.
Further, as shown in fig. 1, in the embodiment of the present invention, the upper surface of the structure body 1 and the upper surface of the floor connecting seat 3 are respectively provided with a strip-shaped mounting hole for mounting the rail vehicle end hinge mounting structure on the vehicle body underframe floor 9, the lower surface of the structure body 1 is provided with a hollow hole 6, the hollow hole 6 not only can play a role of reducing weight, but also can reserve an operation position for connecting the structure body 1 and the vehicle body underframe floor 9, so as to facilitate the connection of the structure body 1 and the vehicle body underframe floor 9.
In order to improve the strength of the floor connecting seat 3, as shown in fig. 2, in the embodiment of the present invention, the floor connecting seat 3 includes a connecting plate and a plurality of supporting rib plates, the connecting plate is connected with the structural body 1, each supporting rib plate is connected with the connecting plate and the structural body 1, the connecting plate is provided with a strip-shaped mounting hole, and the connecting plate and the supporting rib plates may be integrated into a whole structure or may be connected by welding.
Further optimizing the technical scheme, in the embodiment of the invention, a reinforcing rib 5 is arranged between the side beam mounting seat 2 and the structure main body 1.
As shown in fig. 1 and 2, the boundary beam mounting base 2 includes a first mounting plate and a second mounting plate that are connected to each other, the first mounting plate is connected to the structural body 1, the first mounting plate and the second mounting plate are detachably connected to the vehicle body underframe boundary beam 8, and the connection in the two directions enables the boundary beam mounting base 2 to be more stably connected to the vehicle body underframe boundary beam 8.
Specifically, the side beam mounting seat 2 is connected with the vehicle body underframe side beam 8 through a rivet.
The embodiment of the invention also provides a rail vehicle end hinged structure which comprises a hinged device and the rail vehicle end hinged mounting structures in the embodiment, wherein two ends of the hinged device are detachably connected with the hinged device mounting seats 4 of the two rail vehicle end hinged mounting structures respectively, and the two rail vehicle end hinged mounting structures are connected with two adjacent vehicle body bottom frames respectively.
Further, an embodiment of the present invention further provides a rail vehicle, where the rail vehicle includes the rail vehicle end hinge structure as described above, and as the rail vehicle and the rail vehicle end hinge structure employ the rail vehicle end hinge mounting structure in the above embodiment, please refer to the above embodiment for technical effects of the rail vehicle and the rail vehicle end hinge structure.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. The utility model provides a rail vehicle car end hinge joint mounting structure, a serial communication port, includes the main structure body, the both ends of main structure body are provided with the boundary beam mount pad respectively, the boundary beam mount pad is used for dismantling with automobile body chassis boundary beam and is connected, the front side surface of main structure body is provided with the articulated mounting mount pad, the articulated mounting mount pad is used for dismantling with articulated mounting and is connected, the rear side surface of main structure body is provided with the floor connecting seat, the floor connecting seat is used for dismantling with automobile body chassis floor and is connected.
2. The rail vehicle end articulation mounting arrangement of claim 1, wherein said structural body is a box beam structure.
3. The rail vehicle end hinge mounting structure according to claim 2, wherein a reinforcing rib plate is provided in an inner cavity of the structural body along a length direction and/or a width direction of the structural body.
4. The rail vehicle end hinge mounting arrangement of claim 2 or 3, wherein the structural body includes a middle portion and two side portions, the two side portions being connected to respective ends of the middle portion, the sill attachment seat being provided at an end of the side portion remote from the middle portion, the middle portion having a cross-sectional dimension greater than the side portions.
5. The rail vehicle end hinge mounting arrangement of claim 4, wherein an upper surface of the middle portion is flush with an upper surface of both of the side edge portions.
6. The rail vehicle end hinge mounting structure of claim 4, wherein the floor connector base includes a main connector base disposed at the middle portion and a plurality of sub-connector bases disposed at two of the side edge portions, respectively.
7. The rail vehicle end hinge mounting structure according to any one of claims 2, 3, 5 and 6, wherein the upper surface of the structure body and the upper surface of the floor connecting seat are respectively provided with a strip-shaped mounting hole for mounting the rail vehicle end hinge mounting structure on a floor of a vehicle body underframe, and the lower surface of the structure body is provided with a hollow hole.
8. The rail vehicle end hinge mounting structure according to claim 7, wherein the floor connecting seat includes a connecting plate and a plurality of support rib plates, the connecting plate is connected to the structural body, each support rib plate is connected to the connecting plate and the structural body, respectively, and the connecting plate is provided with the strip mounting hole.
9. The rail vehicle end hinge mounting arrangement of any one of claims 1-3, 5-6, and 8, wherein a stiffener is disposed between the sill mount and the structural body.
10. The rail vehicle end articulation mounting arrangement of any one of claims 1-3, 5-6 and 8, wherein said side rail mount includes first and second interconnecting mounting plates, said first mounting plate being connected to said structural body and said first and second mounting plates being respectively removably connected to the body underframe side rail.
11. The rail vehicle end hinge mounting arrangement of any one of claims 1-3, 5-6 and 8, wherein the structural body, the sill attachment base and the floor attachment base are made of steel.
12. A rail vehicle end hinge structure, comprising a hinge device and the rail vehicle end hinge mounting structure as claimed in any one of claims 1 to 11, wherein two ends of the hinge device are detachably connected with the hinge device mounting seats of two rail vehicle end hinge mounting structures, and the two rail vehicle end hinge mounting structures are respectively connected with two adjacent vehicle body bottom frames.
13. A rail vehicle comprising a rail vehicle end articulation structure according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110583624.0A CN113184006A (en) | 2021-05-27 | 2021-05-27 | Rail vehicle and vehicle end hinge structure and vehicle end hinge mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110583624.0A CN113184006A (en) | 2021-05-27 | 2021-05-27 | Rail vehicle and vehicle end hinge structure and vehicle end hinge mounting structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113184006A true CN113184006A (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110583624.0A Pending CN113184006A (en) | 2021-05-27 | 2021-05-27 | Rail vehicle and vehicle end hinge structure and vehicle end hinge mounting structure thereof |
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| CN (1) | CN113184006A (en) |
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| JP2002264809A (en) * | 2001-03-09 | 2002-09-18 | Kinki Sharyo Co Ltd | Low floor type articulated vehicle |
| CN2889818Y (en) * | 2006-03-09 | 2007-04-18 | 中国南车集团南京浦镇车辆厂 | Novel hook traction mechanism of underground train |
| CN104057969A (en) * | 2014-06-27 | 2014-09-24 | 成都市新筑路桥机械股份有限公司 | 100 percent modern urban streetcar floating car body chassis |
| CN204750194U (en) * | 2015-06-02 | 2015-11-11 | 广州电力机车有限公司 | Low -floor support articulated mounting mount pad |
| CN105197054A (en) * | 2015-09-24 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Trapezoidal connection piece for low floor tramcar and articulated mechanism mounting seat |
| CN205292669U (en) * | 2015-12-08 | 2016-06-08 | 南车株洲电力机车有限公司 | Tram articulates ware mounting structure |
| CN207579872U (en) * | 2017-11-28 | 2018-07-06 | 通号轨道车辆有限公司 | A kind of modern tram end beam of underframe thereof profile structure and chassis |
| CN109178009A (en) * | 2018-11-08 | 2019-01-11 | 中车株洲电力机车有限公司 | 100% low-floor rail vehicle chassis of one kind and 100% low-floor rail vehicle |
-
2021
- 2021-05-27 CN CN202110583624.0A patent/CN113184006A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002264809A (en) * | 2001-03-09 | 2002-09-18 | Kinki Sharyo Co Ltd | Low floor type articulated vehicle |
| CN2889818Y (en) * | 2006-03-09 | 2007-04-18 | 中国南车集团南京浦镇车辆厂 | Novel hook traction mechanism of underground train |
| CN104057969A (en) * | 2014-06-27 | 2014-09-24 | 成都市新筑路桥机械股份有限公司 | 100 percent modern urban streetcar floating car body chassis |
| CN204750194U (en) * | 2015-06-02 | 2015-11-11 | 广州电力机车有限公司 | Low -floor support articulated mounting mount pad |
| CN105197054A (en) * | 2015-09-24 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Trapezoidal connection piece for low floor tramcar and articulated mechanism mounting seat |
| CN205292669U (en) * | 2015-12-08 | 2016-06-08 | 南车株洲电力机车有限公司 | Tram articulates ware mounting structure |
| CN207579872U (en) * | 2017-11-28 | 2018-07-06 | 通号轨道车辆有限公司 | A kind of modern tram end beam of underframe thereof profile structure and chassis |
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Application publication date: 20210730 |