CN106347405A - Anticreeper mounting base for low-floor rail vehicle - Google Patents
Anticreeper mounting base for low-floor rail vehicle Download PDFInfo
- Publication number
- CN106347405A CN106347405A CN201610907444.2A CN201610907444A CN106347405A CN 106347405 A CN106347405 A CN 106347405A CN 201610907444 A CN201610907444 A CN 201610907444A CN 106347405 A CN106347405 A CN 106347405A
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- Prior art keywords
- mounting seat
- anticreeper
- mounting
- seat
- low
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Classifications
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- 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
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an anticreeper mounting base for a low-floor rail vehicle. The anticreeper mounting base is of a box structure; a vehicle hook mounting joint and/or a driver cab mounting port and/or an anticreeper mounting port is arranged on the mounting base, the vehicle hook mounting joint is fixedly connected with a vehicle hook mounting base, the driver cab mounting port is fixedly connected with a driver cab vehicle body, and the anticreeper mounting port is used for mounting an anticreeping energy absorbing element. The anticreeper mounting base has the advantages that the structure is simple, the occupation space of the whole mounting base is small, and the installation requirement of the narrow space of a chassis of the low-floor rail vehicle is met; at the premises of guaranteeing the structure rigidity and connecting strength of the mounting base, the maximum light-weight design is realized, and the higher light-weight requirement of the vehicle is met.
Description
Technical field
The present invention relates to a kind of rail vehicle front end anti-creep device, install particularly to a kind of anticreeper for rail car
Seat, belongs to rail vehicle manufacturing technology field.
Background technology
Rapid popularization with the track traffic of current domestic city and popularization, light-duty rail traffic vehicle demand increases year by year
Plus.Low floor vehicle is operation in the intensive urban district of urban population, and road vehicles are many, road conditions are complicated, and the probability that has an accident is high,
Therefore higher requirement is improve to the safety Design of train, be arranged on the collision energy-absorbing element utilization rate of vehicle front end relatively
High.
A kind of train front end with anti-climbing energy-absorbing device is disclosed in the patent of Patent No. 201310072635.8
Composition, it fixedly mounts coupler pocket in the leading section of underframe, fixedly mounts anti-climbing energy-absorbing device mounting seat again on coupler pocket, prevents
Climb energy absorption device to be fixedly mounted in mounting seat, wherein, anti-climbing energy-absorbing device mounting seat by pedestal and is arranged on pedestal transversely
The mounting cylinder composition at two ends, pedestal is made up of substrate and multiple reinforcement, and anti-climbing energy-absorbing device is then arranged on mounting cylinder.Although
The structure of this underframe front end can effectively weaken and eliminate in train collision impulsive force, but the knot of whole underframe leading section
Structure is complicated, and size is larger, takes up room big, on the underframe of low-floor rail vehicle that discomfort is advantageously mounted at narrow space, also no
Method meets the light-weighted requirement of vehicle.
Content of the invention
The present invention dissatisfied technical problem certainly will be to provide that a kind of structure is simple, it is little to take up room, and lightweight can be met will
The low-floor rail vehicle asked anticreeper mounting seat.
For achieving the above object, the technical scheme is that
A kind of low-floor rail vehicle anticreeper mounting seat, mounting seat is body structure, is provided with use in mounting seat
Drivers' cab in the hitch mounting interface being fixedly connected with hitch mounting seat and/or for being fixedly connected with drivers' cab car body is installed
Interface and/or the anticreeper mounting interface for installing anti-creep power-absorbing.
Further, described drivers' cab car body and/or anti-creep power-absorbing are fixed in mounting seat by securing member.
Further, described mounting seat is the double-layer structure up and down being fixed together, respectively upper mounting seat and lower peace
Dress seat, described drivers' cab mounting interface is arranged in described upper mounting seat, described hitch mounting interface and anticreeper mounting interface
It is arranged in described lower mounting seat.
Further, described upper mounting seat is the body structure of the degree of lip-rounding for section.
Further, described drivers' cab mounting interface is arranged on the end of described upper mounting seat both sides, and drivers' cab car body is fixed
In upper mounting seat, a post of drivers' cab car body is fixed at drivers' cab mounting interface by securing member.
Further, described lower mounting seat is by the middle Part I along cross-car setting with Part I both sides edge
The longitudinally disposed Part II composition of car body, described hitch mounting interface is arranged on described Part I, each described the
Two partly on be provided with described anticreeper mounting interface.
Further, the Part I of described lower mounting seat is divided into upper and lower double-layer structure, and its width at the middle and upper levels is less than lower floor
Width, the structure on upper strata and the Part II of both sides surround the space of a u shape jointly.
Further, the double-layer structure up and down of described Part I is the body structure that section is the degree of lip-rounding.
Further, described hitch mounting interface is longitudinal along car body in the lower floor's body structure be opened in described Part I
The construction opening extending, hitch mounting seat is fixed in described construction opening.
Further, described Part II is the body structure of the section degree of lip-rounding, and described anticreeper mounting interface is for being arranged on
State the installing port for fixing anti-creep power-absorbing on the end plate of Part II longitudinal direction two ends and screw seat.
Further, the size of described installing port is more than the size of described anti-creep power-absorbing.
Further, the both side ends of described upper mounting seat protrude from the both side ends of described lower mounting seat, in described lower peace
The outside of dress seat is fixed with the fixed seat of a shape of falling l, and the both side ends of described upper mounting seat are fixed on the level of described fixed seat
On plate.
Further, also integrally disposed in described mounting seat have hitch auxiliary equipment mounting interface.
In sum, a kind of low-floor rail vehicle anticreeper mounting seat that the present invention provides, compared with prior art,
Have the advantage that
(1) the anticreeper mounting seat in the present invention integrally adopts the structure of degree of lip-rounding casing, and by hitch mounting interface, driver
Room mounting interface and anticreeper mounting interface are arranged in mounting seat, and not only structure is simple, also makes mounting seat integrally take sky
Between little, meet the narrow and small installation requirement of low floor vehicle chassis space, ensureing the mounting seat rigidity of structure and be connected by force simultaneously
On the premise of degree, also achieve light-weight design to greatest extent, meet the light-weighted requirements at the higher level of vehicle.
(2) the anticreeper mounting seat in the present invention integrally adopts the structure of degree of lip-rounding casing, effectively limits collision deformation
In end underframe region it is ensured that guest room structure does not occur moderate finite deformation, the vivosphere of passenger can be ensured.Meet vehicle quilt
Dynamic security requirement, and the problem of anticreeper mounting seat stress concentration can be effectively improved, thus significantly reduce stress damaging
Bad degree and effectively increasing the service life.
(3) in the present invention, drivers' cab car body and anti-creep power-absorbing are fixedly connected in mounting seat by securing member, are damaging
It is easier to after bad change, be advantageously implemented drivers' cab car body and the interchangeability of anti-creep power-absorbing.
Brief description
Fig. 1 is the embodiment of the present invention one mounting seat positive structure schematic；
Fig. 2 is the embodiment of the present invention one mounting seat reverse structure schematic.
As depicted in figs. 1 and 2, hitch mounting interface 1, drivers' cab mounting interface 2, anticreeper mounting interface 3, upper mounting seat
4, lateral part 4-1, lateral part 4-2, projection 4-3, lower mounting seat 5, Part I 5-1, Part II 5-2, first
Top board 6, first end plate 7, the first side plate 8, lightening hole 9, lightening hole 10, buttress brace 11, construction opening 12, hitch auxiliary equipment is pacified
Attaching mouth 13, the second top board 14, the second end plate 15, the second side plate 16, installing port 17, screw seat 18, fixed seat 19, reinforcing steel
20, lightening hole 21.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, a kind of low-floor rail vehicle anticreeper mounting seat that the present invention provides, is applied to
On the railway vehicles such as 100% low-floor tramcar, integral solder is fixed on the leading section of a body frame.Anticreeper is installed
Seat is overall to adopt body structure, and is formed by the weldering of carbon steel material group, mounting seat can be provided with for hitch mounting seat
The hitch mounting interface 1 that is fixedly connected or the drivers' cab mounting interface 2 for being fixedly connected with drivers' cab car body or be used for pacifying
The anticreeper mounting interface 3 of dress anti-creep power-absorbing.In the present embodiment, then preferably hitch mounting interface 1, drivers' cab are installed and connect
Mouth 2 and anticreeper mounting interface 3 are integrally disposed in mounting seat.
In the present embodiment, mounting seat preferably employs the double-layer structure up and down being fixed together, respectively upper mounting seat 4
With lower mounting seat 5, upper mounting seat 4 is weldingly fixed on the top of lower mounting seat 5, and drivers' cab mounting interface 2 is arranged on upper mounting seat 4
On, hitch mounting interface 1 and anticreeper mounting interface 3 are arranged in lower mounting seat 5.
As depicted in figs. 1 and 2, upper mounting seat 4 for section be the degree of lip-rounding body structure, by the first top board 6, two ends first
End plate 7,8 groups of welderings of the first side plate of both sides form.Wherein, first end plate 7 refers to two ends on car body longitudinal direction fore-and-aft direction
Plate, the first side plate 8 refers to two side plates on cross-car left and right directions, below the definition to " end plate " and " side plate " and this
Identical.
The overall lateral part 4-1 being arranged along cross-car by centre of upper mounting seat 4 and the lateral part 4-2 group of both sides
Become, lateral part 4-2 is formed from lateral part 4-1 to the bending of underframe direction, for the mating shapes with drivers' cab car body, side
It is preferably tilting structure to part 4-2.
Drivers' cab mounting interface 2 is arranged on the end of upper mounting seat 4 both sides, and drivers' cab mounting interface 2 is circular installation
Hole, drivers' cab fiberglass car body adhesive is fixed on the first top board 6 of upper mounting seat 4, and a post of drivers' cab then passes through fastening
Part is fixed at drivers' cab mounting interface 2, and this mounting structure, when drivers' cab car body damages, can be individually replaced, be conducive to reality
The interchangeability of existing drivers' cab car body.In the present embodiment, in the end of lateral part 4-2, there is a protuberance protruding laterally
Divide 4-3, drivers' cab mounting interface 2 is then arranged on this projection 4-3, so can be prevented effectively from drivers' cab mounting interface 2
The stress concentration at place.
Multiple lightening holes 9 are provided with the first end plate 7 of the inner side towards underframe direction, integrally tie in guarantee mounting seat
On the premise of structure strength and stiffness, mitigate weight, to meet the light-weighted requirement of vehicle.First top board 6 and the weldering of first end plate 7
Connect seam crossing mutually to stagger, be prevented effectively from stress concentration.
Lower mounting seat 5 by middle along cross-car setting Part I 5-1 and in Part I 5-1 both sides along car body
Longitudinally disposed Part II 5-2 composition.Wherein, Part I 5-1 preferably employs as bilevel structure, upper strata 5-1-1
Width be less than the width of lower floor 5-1-2, the width of upper strata 5-1-1 is identical with the width of the lateral part 4-1 of upper mounting seat 4,
The width of lower floor 5-1-2 is identical with the width of the Part II 5-2 of both sides, and the front end face of upper strata 5-1-1 protrudes from lower floor 5-1-
The Part II 5-2 of 2, upper strata 5-1-1 and both sides surrounds the space of a u shape jointly, u shape be spatially located at the upper of lower floor 5-1-2
Side.The setting in u shape space is not only advantageous to and being fixedly connected of bottom frame floor and longeron, and the deformation being also more beneficial for mounting seat is inhaled
Energy.
The double-layer structure up and down of Part I 5-1 is degree of lip-rounding body structure, and upper strata 5-1-1 is by the end of top board, two ends
Plate and the weldering of base plate group form, and the base of two first end plates 7 of upper mounting seat 4 is weldingly fixed on the top board of upper strata 5-1-1.?
Multiple lightening holes 10 are provided with the end plate inside the 5-1-1 of upper strata, in the premise ensureing mounting seat overall construction intensity and rigidity
Under, mitigate weight, to meet the light-weighted requirement of vehicle.
Lower floor 5-1-2 is in integrally flat, is formed by the weldering of top board, the end plate at two ends and base plate group, the base plate of upper strata 5-1-1
It is weldingly fixed on the top board of lower floor 5-1-2, or the top board of the lower floor 5-1-2 outwardly i.e. base plate as upper strata 5-1-1.
In order to ensure the overall construction intensity of lower floor 5-1-2, it is connected to multiple buttress braces 11 in the body structure internal welding of lower floor 5-1-2,
Buttress brace 11 is longitudinally disposed along car body, be arranged in parallel between multiple buttress braces 11.
Hitch mounting interface 1 is arranged on lower floor 5-1-2, hitch mounting interface 1 is to be opened in lower floor's 5-1-2 body structure
The construction opening 12 along car body longitudinal extension, hitch mounting seat (not shown) is fixed on installation and opened by way of welding
In mouth 12, hitch is then fixed in hitch mounting seat by securing member.The lower floor 5-1-2 of body structure not only can provide enough
Structural strength, and when hitch collides, can effectively absorb collision energy, collision deformation is limited in end underframe area
Domain.
In the present embodiment, hitch uses folding hitch, and in vehicle operation, hitch is folded in underframe
Inside the switching mechanism in front, in order to fix hitch, the installation of hitch auxiliary equipment is additionally provided with the end plate of lower floor 5-1-2 and connects
Mouth 13, hitch auxiliary equipment mounting interface 13 is the multiple fixing holes being opened on end plate, and the fixing device for fixing hitch is led to
Cross securing member to be fixed at hitch auxiliary equipment mounting interface 13.
Part II 5-2 also be degree of lip-rounding body structure, by the second top board 14, second end plate 15 at two ends, both sides second
Side plate 16 and base plate (in figure does not indicate) group weldering form, second top board 14 of Part II 5-2 and the upper strata 5- of Part I 5-1
The structure being integrated by top board of 1-1 is it is also possible to be welded by plurality of steel plates splicing.The base plate of Part II 5-2 and first
The base plate of the lower floor 5-1-2 of part 5-1 is structure as a whole or is welded by plurality of steel plates splicing.The lower floor of Part I 5-1
The end plate of two sides of the top board of 5-1-2, end plate and base plate and upper strata 5-1-1, two sides of base plate are all weldingly fixed on second
On second side plate 16 of part 5-2.
Each Part II 5-2 is provided with anticreeper mounting interface 3, solid on each anticreeper mounting interface 3
The integral type anti-creep power-absorbing of Dingan County's dress generally u shape structure.Anticreeper mounting interface 3 is to be arranged on Part II 5-2 to indulge
To on two ends the second end plate 15 for fixing installing port 17 and the screw seat 18 of anti-creep power-absorbing.Anti-creep power-absorbing includes
The anti-climbing tooth of front end and the power-absorbing at rear portion, anti-creep power-absorbing passes through in front and back along the parallel longitudinal setting of car body, power-absorbing
It is fixedly connected with screw seat 18 by four bolt (not shown)s respectively after two installing ports 17.Anti-creep power-absorbing passes through
The securing members such as bolt are fixedly connected in mounting seat, are conducive to changing anti-creep power-absorbing after an impact, realize anti-creep energy-absorbing unit
The interchangeability of part.
In order to improve structural strength and the rigidity of anti-creep energy-absorbing mounting interface 3, weld in the body structure of Part II 5-2
It is connected to reinforcing steel 20, lightening hole 21 can also be arranged on reinforcing steel 20, on the premise of ensureing structural strength and rigidity, maximum
Possibly mitigate weight.Anticreeper installation region is designed as small-sized degree of lip-rounding body structure by the present invention, not only uniform force, and
And can significantly reduce stress damage degree and effectively increase the service life.
In the present embodiment, the size of installing port 17 is more than the size of power-absorbing, and power-absorbing can occur swollen after action
Bulging deformation, by the size being designed and sized to more than power-absorbing of installing port 17, be equivalent to reserved be available for power-absorbing deformation
Shared space afterwards, not only can reduce damaged condition, and is more beneficial for absorbing collision energy, by Deformation control in underframe
The region of end.
As depicted in figs. 1 and 2, in the present embodiment, the both side ends of upper mounting seat 4 protrude from the two side ends of lower mounting seat 5
Portion, is fixed with the fixed seat 19 of a shape of falling l in the outside of lower mounting seat 5, and fixed seat 19 is formed by steel plate bending, fixed seat 19
Perpendicular plate 19a be weldingly fixed on the second top board 14 side outside Part II 5-2 along and the vertical elevation of the second end plate 15 on,
The height of fixed seat 19 perpendicular plate 19a is higher than the height of the second side plate 16, and correspondingly the both side ends of upper mounting seat 4 have upwards
The part of depression, the both side ends of upper mounting seat 4 are weldingly fixed on the horizontal plate 19b of fixed seat 19, and fixed seat 19 is further
Enhance overall construction intensity and the bearing capacity of mounting seat.
After mounting, the outer surface of fixed seat 19 and edge beam of underframe pass through to be welded to connect, and the middle part of mounting seat is that u shape is empty
Between part with bottom frame floor, longeron pass through be welded to connect, ensure attachment structure intensity on the premise of, can drop further
The height of low bottom frame floor, and taking up room of underframe leading section can be saved, meet low floor vehicle chassis space narrow
Little installation requirement.
Anticreeper mounting seat in the present invention, the Part I 5-1 in upper mounting seat 4, lower mounting seat 5 and Part II 5-
2 structures all using degree of lip-rounding casing, and by hitch mounting interface 1, drivers' cab mounting interface 2 and anticreeper mounting interface 3
It is integrated in mounting seat, not only overall structure is simple, eliminates the structures such as the coupler pocket being separately provided in prior art.And on
Mounting seat 4 and lower mounting seat 5 entirety surround a u shape space, for installing the structures such as bottom frame floor, not only increase overall knot
Structure intensity and bearing capacity, also make mounting seat integrally take up room little, meet the narrow and small peace of low floor vehicle chassis space
Reload request.Adopt the structure of degree of lip-rounding casing simultaneously, on the premise of ensureing the mounting seat rigidity of structure and bonding strength, also achieve
Light-weight design to greatest extent, meets the light-weighted requirements at the higher level of vehicle, beneficial to the travel speed improving rail vehicle, and
Effectively collision deformation is limited in end underframe region, body structure occurs plastic deformation it is ensured that guest room structure does not occur relatively
Large deformation, the vivosphere of passenger can be ensured, meet Vehicle Passive Safety and require, can also effectively improve anticreeper
The problem of mounting seat stress concentration, thus significantly reducing stress damage degree and effectively increasing the service life.
Mounting seat is in addition to using above-mentioned bilevel structure, it would however also be possible to employ one layer of body structure, that is, quite
In only retaining lower mounting seat, drivers' cab mounting interface 2 is set directly at the both side ends of lower mounting seat 5, the glass of drivers' cab
Steel car body is directly bonded and fixed at the top of lower mounting seat 5 by glue.
As described above, combining the plan content given by accompanying drawing, similar technical scheme can be derived.In every case it is not take off
From the content of technical solution of the present invention, any simple modification above example made according to the technical spirit of the present invention, etc.
With change and modification, all still fall within the range of technical solution of the present invention.
Claims (13)
1. a kind of low-floor rail vehicle anticreeper mounting seat it is characterised in that: mounting seat be body structure, in mounting seat
It is provided with the hitch mounting interface for being fixedly connected and/or the department for being fixedly connected with drivers' cab car body with hitch mounting seat
Machine room mounting interface and/or the anticreeper mounting interface for installing anti-creep power-absorbing.
2. a kind of low-floor rail vehicle according to claim 1 with anticreeper mounting seat it is characterised in that: described driver
Room car body and/or anti-creep power-absorbing are fixed in mounting seat by securing member.
3. a kind of low-floor rail vehicle according to claim 1 and 2 with anticreeper mounting seat it is characterised in that: described
Mounting seat is the double-layer structure up and down being fixed together, respectively upper mounting seat and lower mounting seat, and described drivers' cab is installed
Interface is arranged in described upper mounting seat, and described hitch mounting interface and anticreeper mounting interface are arranged on described lower mounting seat
On.
4. a kind of low-floor rail vehicle according to claim 3 with anticreeper mounting seat it is characterised in that: described upper peace
Dress seat is the body structure of the degree of lip-rounding for section.
5. a kind of low-floor rail vehicle according to claim 3 with anticreeper mounting seat it is characterised in that: described driver
Room mounting interface is arranged on the end of described upper mounting seat both sides, and drivers' cab car body is fixed in upper mounting seat, drivers' cab car body
A post be fixed at drivers' cab mounting interface by securing member.
6. a kind of low-floor rail vehicle according to claim 3 with anticreeper mounting seat it is characterised in that: described lower peace
Dress seat by middle along cross-car setting Part I and in Part I both sides along the longitudinally disposed Part II of car body
Composition, described hitch mounting interface is arranged on described Part I, is provided with described anti-creep on each described Part II
Device mounting interface.
7. a kind of low-floor rail vehicle according to claim 6 with anticreeper mounting seat it is characterised in that: described lower peace
The Part I of dress seat is divided into upper and lower double-layer structure, and its width at the middle and upper levels is less than width, the structure on upper strata and the both sides of lower floor
Part II jointly surround the space of a u shape.
8. a kind of low-floor rail vehicle according to claim 7 with anticreeper mounting seat it is characterised in that: described first
Partial double-layer structure up and down is the body structure that section is the degree of lip-rounding.
9. a kind of low-floor rail vehicle according to claim 8 with anticreeper mounting seat it is characterised in that: described hitch
Mounting interface is the construction opening along car body longitudinal extension in the lower floor's body structure be opened in described Part I, and hitch is installed
Seat is fixed in described construction opening.
10. a kind of low-floor rail vehicle according to claim 6 with anticreeper mounting seat it is characterised in that: described
Two parts are the body structure of the section degree of lip-rounding, and described anticreeper mounting interface is to be arranged on described Part II longitudinal direction two ends end plate
On the installing port for fixing anti-creep power-absorbing and screw seat.
A kind of 11. low-floor rail vehicles according to claim 10 with anticreeper mounting seat it is characterised in that: described peace
The size of dress mouth is more than the size of described anti-creep power-absorbing.
A kind of 12. low-floor rail vehicles according to claim 3 with anticreeper mounting seat it is characterised in that: on described
The both side ends of mounting seat protrude from the both side ends of described lower mounting seat, the outside of described lower mounting seat be fixed with one fall l
The fixed seat of shape, the both side ends of described upper mounting seat are fixed on the horizontal plate of described fixed seat.
A kind of 13. low-floor rail vehicles according to claim 1 with anticreeper mounting seat it is characterised in that: described
Also integrally disposed in mounting seat have hitch auxiliary equipment mounting interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907444.2A CN106347405B (en) | 2016-10-18 | 2016-10-18 | A kind of low-floor rail vehicle anticreeper mounting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907444.2A CN106347405B (en) | 2016-10-18 | 2016-10-18 | A kind of low-floor rail vehicle anticreeper mounting base |
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| CN106347405A true CN106347405A (en) | 2017-01-25 |
| CN106347405B CN106347405B (en) | 2018-09-07 |
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| CN201610907444.2A Active CN106347405B (en) | 2016-10-18 | 2016-10-18 | A kind of low-floor rail vehicle anticreeper mounting base |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985330A (en) * | 2017-12-04 | 2018-05-04 | 中车株洲电力机车有限公司 | Anti-creep device and rail vehicle |
| CN112298264A (en) * | 2020-10-27 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Middle semi-permanent coupler, middle car end collision energy absorption structure and railway vehicle |
| CN115179986A (en) * | 2022-08-24 | 2022-10-14 | 中车浦镇阿尔斯通运输系统有限公司 | Straddle type single-rail head end chassis frame structure |
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| CN107985330A (en) * | 2017-12-04 | 2018-05-04 | 中车株洲电力机车有限公司 | Anti-creep device and rail vehicle |
| CN107985330B (en) * | 2017-12-04 | 2020-03-24 | 中车株洲电力机车有限公司 | Anti-creep device and rail vehicle |
| CN112298264A (en) * | 2020-10-27 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Middle semi-permanent coupler, middle car end collision energy absorption structure and railway vehicle |
| CN112298264B (en) * | 2020-10-27 | 2022-02-15 | 中车青岛四方机车车辆股份有限公司 | Middle semi-permanent coupler, middle car end collision energy absorption structure and railway vehicle |
| CN115179986A (en) * | 2022-08-24 | 2022-10-14 | 中车浦镇阿尔斯通运输系统有限公司 | Straddle type single-rail head end chassis frame structure |
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|---|---|
| CN106347405B (en) | 2018-09-07 |
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