CN109178009A - 100% low-floor rail vehicle chassis of one kind and 100% low-floor rail vehicle - Google Patents
100% low-floor rail vehicle chassis of one kind and 100% low-floor rail vehicle Download PDFInfo
- Publication number
- CN109178009A CN109178009A CN201811325158.0A CN201811325158A CN109178009A CN 109178009 A CN109178009 A CN 109178009A CN 201811325158 A CN201811325158 A CN 201811325158A CN 109178009 A CN109178009 A CN 109178009A
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- plate
- top surface
- low
- rail vehicle
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- 230000007704 transition Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 210000001624 hip Anatomy 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention discloses a kind of 100% low-floor rail vehicle chassis, including having the central structure for extending the passageway bottom plate stood for passenger along the horizontal plane, and top surface extends along the horizontal plane and is fixedly arranged on respectively the preceding end-rack and rear end-rack of central structure rear and front end, the top surface of the top surface of preceding end-rack and rear end-rack is equipped with top surface and flushes the interior installed floor stood for passenger with the top surface of passageway bottom plate.Since passageway bottom plate extends along the horizontal plane, the top surface of the preceding end-rack and rear end-rack that are equipped with built-in bottom plate is flushed with the top surface of passageway bottom plate, the region stood for passenger is obviously used for extend along same level, therefore a kind of 100% low-floor rail vehicle chassis provided by the present invention puts down guest room standing area without slope entirely, facilitates passenger current.The present invention also provides a kind of 100% low-floor rail vehicles including 100% low-floor rail vehicle chassis, and the comfort in guest room standing area is made to increase.
Description
Technical field
The present invention relates to technical field of rail traffic, in particular to a kind of 100% low-floor rail vehicle chassis.The present invention
Further relate to a kind of 100% low-floor rail vehicle.
Background technique
The chassis of the low-floor rail vehicle usually vertical distance away from rail level is smaller, it is not necessary that platform is separately provided, has line
Louis in planning, cost of investment is low, the construction period is short many advantages, such as, market prospects are broader.
Low-floor rail vehicle is divided into 70% low-floor rail vehicle and 100% by the area of guest room standing area low-floor
Low-floor rail vehicle.Usually not in the same horizontal line, there are plateau at bogie for the chassis of 70% low-floor rail vehicle
Rank causes passenger's passage constant, so that 100% low-floor rail vehicle is becoming increasingly popular.However, although existing 100%
Without step, but since technical conditions are limited, the guest room of 100% low-floor rail vehicle is stood for the inside of low-floor rail vehicle
Several longitudinal slopes are usually distributed in area on the length direction along chassis, are still inconvenient to pass through.
Therefore, longitudinal direction slope existing for the guest room standing area of 100% low-floor rail vehicle how is eliminated to guarantee passenger
Barrier free accessibility is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In view of this, making guest room standing area the purpose of the present invention is to provide a kind of 100% low-floor rail vehicle chassis
It is complete flat without slope, facilitate passenger current.Another object of the present invention is to provide a kind of 100% low-floor rail vehicles, make visitor
The comfort in room standing area increases.
Its concrete scheme is as follows:
The present invention provides a kind of 100% low-floor rail vehicle chassis, comprising:
With the central structure for extending the passageway bottom plate stood for passenger along the horizontal plane；
Top surface extends along the horizontal plane and is fixedly arranged on the preceding end-rack and rear end-rack of the central structure rear and front end, institute respectively
The top surface of end-rack and the top surface of the rear end-rack are equipped with top surface and are flushed with the top surface of the passageway bottom plate for passenger station before stating
Vertical interior installed floor.
Preferably, the central structure includes:
It is fixedly arranged on the passageway bottom panel side and vertically raises upward relative to the passageway bottom plate, is used to support seat
Seat mounting plate；
Two sides are abutted against with the passageway bottom plate and the seat mounting plate respectively, top it is vertically extending to the seat
The bottom of chair mounting plate offsets, passes through the passageway bottom plate for bottom to avoid lateral damper and reduce the passageway bottom plate
The transition connecting plate of stress between the seat mounting plate.
Preferably, the central structure further includes the stairstepping pedal trampled for being set to motor top for passenger,
The seat mounting plate is symmetrically fixedly arranged on the two sides of the stairstepping pedal, and the seat mounting plate has to be turned to for being set to
Ladder-type structure above frame.
Preferably, the bottom of the passageway bottom plate is equipped with several extend along its length to increase the reinforcement of the passageway of intensity
Muscle.
Preferably, the preceding end-rack includes:
Top surface extend along the horizontal plane and top surface lower than the passageway bottom plate top surface setting, for being connected with drivers' cab before
End carriage；
The connection that top surface flushes and is connected between the central structure and the front beam with the top surface of the front beam
Frame.
Preferably, the front beam includes:
Vertically front tectal lamina disposed in parallel and preceding bottom plate；The front tectal lamina and the preceding bottom plate are equipped with several
The lightening hole being mutually communicated；
Between the two neighboring lightening hole and be vertically fixed between the front tectal lamina and the preceding bottom plate,
It is used to support the preceding stiffening plate of the front tectal lamina and the preceding bottom plate, the preceding stiffening plate is equipped with lightening hole.
Preferably, the front beam includes:
Front end-plate for being connected with drivers' cab, the front end-plate are equipped with several for vertical with the connection waist hole of drivers' cab
To compensate the installation waist hole of difference in height between the front beam and drivers' cab.
Preferably, the rear end-rack includes:
Top surface is horizontally extending and top surface is lower than the rear lamina tecti that the top surface of the passageway bottom plate is arranged；
Vertically it is parallel to the rear bottom plate of the rear lamina tecti setting；
The end plate being vertically fixed between the rear lamina tecti and the rear bottom plate.
Preferably, the rear lamina tecti and the rear bottom plate are equipped with several lightening holes being mutually communicated, the rear end
Frame further include:
Between the two neighboring lightening hole and be vertically fixed on it is described after lamina tecti and it is described after between bottom plate,
It is used to support the rear stiffening plate of the rear lamina tecti and the rear bottom plate, the rear stiffening plate is equipped with lightening hole.
The present invention also provides a kind of 100% low-floor rail vehicle, including car body, the car body includes institute any one of as above
The 100% low-floor rail vehicle chassis stated.
With respect to the background art, 100% low-floor rail vehicle chassis provided by the present invention, including have along the horizontal plane
The central structure and top surface for extending the passageway bottom plate stood for passenger extend along the horizontal plane and are fixedly arranged in described respectively
The preceding end-rack and rear end-rack of portion structure rear and front end, the top surface of the preceding end-rack and it is described after end-rack top surface be equipped with top surface with
The top surface of the passageway bottom plate flushes the interior installed floor stood for passenger.
Since the passageway bottom plate extends along the horizontal plane, be equipped with the built-in bottom plate the preceding end-rack and the rear end
The top surface of frame is flushed with the top surface of the passageway bottom plate, it is clear that is prolonged along same level in the region for standing for passenger
It stretches, therefore a kind of 100% low-floor rail vehicle chassis provided by the present invention puts down guest room standing area without slope entirely, facilitates passenger
It is current.
The present invention also provides a kind of 100% low-floor rail vehicle including 100% low-floor rail vehicle chassis, due to
The guest room standing area of chassis is put down without slope entirely, so that guest room standing area is fully utilized, therefore the comfort in guest room standing area has
It is improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 provides the front schematic view of 100% low-floor rail vehicle chassis for a kind of specific embodiment of the present invention；
Fig. 2 is the schematic rear view of 100% low-floor rail vehicle chassis；
Fig. 3 is the front schematic view of central structure in Fig. 1；
Fig. 4 is the schematic rear view of Fig. 3；
Fig. 5 is the structural schematic diagram of transition connecting plate in Fig. 1；
Fig. 6 is the structural schematic diagram of preceding end-rack in Fig. 1；
Fig. 7 is the structural schematic diagram of rear end-rack in Fig. 1.
Appended drawing reference is as follows:
Central structure 1, preceding end-rack 2 and rear end-rack 3, lightening hole 4, side bar 5 and promotion lifting lug 6；
Passageway bottom plate 11, seat mounting plate 12, transition connecting plate 13, stairstepping pedal 14, support side plate 15, passageway side
Plate 16, connection curb girder 17；
Step surface 121 and trample bottom plate 122；
Passageway reinforcing rib 111；
Supporting surface 131, joint face 132 and wing plate 133；
Front beam 21 and connection framework 22；
Front tectal lamina 211, preceding bottom plate 212, preceding stiffening plate 213 and front end-plate 214；
Waist hole 2141 is installed；
Lamina tecti 31, rear bottom plate 32, end plate 33, rear stiffening plate 34 and damper mounting base 35 afterwards.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to enable those skilled in the art to better understand the solution of the present invention, right in the following with reference to the drawings and specific embodiments
The present invention is described in further detail.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is provided 100% low-floor rail vehicle chassis by a kind of specific embodiment of the present invention
Front schematic view；Fig. 2 is the schematic rear view of 100% low-floor rail vehicle chassis.
The embodiment of the invention discloses a kind of 100% low-floor rail vehicle chassis, including central structure 1,2 and of preceding end-rack
End-rack 3 afterwards.
Fig. 3 to Fig. 5 is please referred to, Fig. 3 is the front schematic view of central structure in Fig. 1；Fig. 4 is the schematic rear view of Fig. 3；Figure
5 be the structural schematic diagram of transition connecting plate in Fig. 1.
Central structure 1 has the passageway bottom plate 11 for extending stand for passenger along the horizontal plane.Front end-plate 214 and end plate 33
It is fixedly arranged on the rear and front end of central structure 1 respectively, and the top surface of front end-plate 214 and end plate 33 extends along the horizontal plane, front end
The top surface of frame 2 and the top surface of rear end-rack 3 be equipped with top surface flushed with the top surface of passageway bottom plate 11 for passenger stand built-inly
Plate.Since passenger usually stands on passageway bottom plate 11 and interior installed floor, and the top of the top surface of passageway bottom plate 11 and interior installed floor
Face is all in the same horizontal plane, so that guest room standing area be made to put down entirely without slope, facilitates passenger current.
In this specific embodiment, central structure 1 includes seat mounting plate 12 and transition connecting plate 13.Wherein, seat is pacified
Loading board 12 is fixedly arranged on the side of passageway bottom plate 11, and specifically, seat mounting plate 12 is symmetrically welded in the two sides of passageway bottom plate 11.
Seat mounting plate 12 vertically raises upward relative to passageway bottom plate 11, to support seat, occupant comfort is facilitated to take.
The two sides of transition connecting plate 13 are abutted against with passageway bottom plate 11 and seat mounting plate 12 respectively, and top is vertically prolonged
It extends to and offsets with the bottom of seat mounting plate 12, and bottom plate passes through passageway bottom plate 11, to avoid shifting to an earlier date for lateral damper
Under, sufficiently reduce the stress between passageway bottom plate 11 and seat mounting plate 12, is conducive to extend passageway bottom plate 11 and seat installation
The service life of plate 12.
In this specific embodiment, to make the concentrated stress between passageway bottom plate 11 and seat mounting plate 12 reach minimum,
In design transition connecting plate 13, usually under the premise of not interfering with transverse damper, optimized using finite element software
Design, to obtain the supporting surface 131 with best curve shape, correspondingly, the bottom of seat mounting plate 12 is equipped with and supporting surface
The curved indentations that 131 curved surface matches.Specifically, transition connecting plate 13 include respectively with passageway bottom plate 11 and seat mounting plate
12 abut against and the joint face 132 perpendicular with supporting surface 131.For promoted transition connecting plate 13 intensity and anti-fatigue performance,
The top side and bottom side of joint face 132 are equipped with the wing plate 133 extended along lateral edge.Preferably, transition connecting plate 13 using casting or
The mode of forging is processed, further to promote the intensity of transition connecting plate 13, to promote reliability.
Preferably, a seat mounting plate 12 is respectively arranged in the two sides of passageway bottom plate 11, and each 12 bottom end of seat mounting plate is leaned on
The side of nearly passageway bottom plate 11 respectively sets a transition connecting plate 13, and every section of chassis sets four transition connecting plates 13, certainly, seat
The quantity of mounting plate 12 and transition connecting plate 13 is without being limited thereto.
In this specific embodiment, under the premise of avoiding interfering with bogie, space, middle part are utilized for promotion chassis
Structure 1 further includes for being set to the stairstepping pedal 14 trampled above motor for passenger, and seat mounting plate 12 is symmetrical fixed
In the two sides of stairstepping pedal 14, and seat mounting plate 12 has the ladder-type structure for being set to above bogie, namely
Seat mounting plate 12 has several step surfaces 121 being vertically in staggered distribution, so that seat mounting plate 12 be made to trample with stairstepping
" several " character form structure is formed between plate 14.
Preferably, there are two vertically with the step surface 121 of certain altitude difference, passenger is available for the tool of seat mounting plate 12
Stairstepping pedal 14 arrives at the seat being set on higher-height step surface 121；Correspondingly, in a lower height of step surface
121 bottoms, which are additionally provided with, to be extended along the horizontal plane so that passenger's feet was stepped on tramples bottom plate 122, and tramples bottom plate 122 close to passageway bottom plate
11 side is abutted against with transition connecting plate 13.Specifically, each step surface 121 can respectively install two seats namely passageway bottom
The two sides of plate 11 can set 16 seats.Certainly, the quantity of step surface 121 and seat is not specifically limited herein.
In addition, central structure 1 further includes being vertically connected between passageway bottom plate 11 and seat mounting plate 12 and passageway bottom plate
Support side plate 15 between 11 and stairstepping pedal 14, for make seat mounting plate 12 and stairstepping pedal 14 respectively with mistake
Road bottom plate 11 is connected, and vertically to support seat mounting plate 12 and stairstepping pedal 14, prevents the two from deforming, is conducive to mention
Seat up the intensity of chair mounting plate 12 and stairstepping pedal 14.
In this specific embodiment, the preferred sheet metal of passageway bottom plate 11, for the intensity for promoting passageway bottom plate 11, passageway bottom
The bottom of plate 11 is equipped with the passageway reinforcing rib 111 that several length directions along passageway bottom plate 11 extend, to increase passageway bottom plate
11 intensity is conducive to passageway bottom plate 11 and keeps entirely flat without slope state.It should also be noted that guarantee under each operating condition
It is not interfered with bogie, the thickness of passageway reinforcing rib 111 can be increased as much as possible.Specifically, the bottom of passageway bottom plate 11
It is parallel to each other and passageway stiffening plate that adjacent pairs' spacing is equal equipped with three, the cross section of the passageway stiffening plate is preferably to passageway
The U-shaped cross section of the lower section protrusion of bottom plate 11, is certainly not limited to this.
For the intensity for further promoting passageway bottom plate 11, in passageway, the two sides of 11 bottom of bottom plate are vertically equipped with passageway side plate
16.Two passageway side plates 16 are respectively welded at 11 bottom of passageway bottom plate and its both ends offsets with transition connecting plate 13 respectively, so as to
Along passageway bottom plate 11 length direction transmit longitudinal force during effectively prevent 11 bending deformation of passageway bottom plate, be conducive to passageway
Bottom plate 11 further keeps complete flat without slope state.Preferably, two passageway side plates 16 are made of rear metal plate, are certainly not limited to
This.
Referring to FIG. 6, Fig. 6 is the structural schematic diagram of preceding end-rack in Fig. 1.
In this specific embodiment, preceding end-rack 2 includes front beam 21 and connection framework 22, and the top surface of front beam 21 is along level
Face extends, and the top surface of front beam 21 is arranged lower than the top surface of passageway bottom plate 11, to make interior dress ground after the installed floor in installing
The top surface of plate is flushed with the top surface of passageway bottom plate 11, and furthermore front beam 21 is also used to connect drivers' cab.Interior installed floor is preferably by multiple
Flexible flat made of condensation material facilitates passenger to stablize and stands so as to increasing friction force.
Connection framework 22 is connected between central structure 1 and front beam 21, and the top surface of connection framework 22 and front beam 21
Top surface flush, so as to installed floor in smooth laying.In this specific embodiment, connection framework 22 is preferably by several staggered vertical
The square frame that beam and crossbeam are built is used to support passenger's standing.Certainly, the structure of connection framework 22 is without being limited thereto.
Preferably, front beam 21 includes vertically front tectal lamina 211 and preceding bottom plate 212 disposed in parallel, wherein sinciput
The top surface of cover board 211 is flushed with the top surface of connection framework 22.For reduce front beam 21 weight, while for save material, sinciput
Cover board 211 and preceding bottom plate 212 are equipped with several lightening holes 4 being mutually communicated.Preferably, the cross section of lightening hole 4 is trapezoidal, when
So, without being limited thereto.Further, front beam 21 further includes before being vertically fixed between front tectal lamina 211 and preceding bottom plate 212
Stiffening plate 213.It should be pointed out that for convenient for welding preceding stiffening plate 213 between front tectal lamina 211 and preceding bottom plate 212, it is preceding
Stiffening plate 213 is set between two neighboring lightening hole 4, so that welding equipment passes through stiffening plate 213 before lightening hole 4 welds, in turn
Stiffening plate 213 is arranged along the bevel edge for being parallel to trapezoidal lightening hole 4 before making, so as to abundant power transmission, thus make front beam 21 uniformly by
Power effectively prevent front beam 21 to deform, and is advantageously implemented complete flat without slope.It follows that front tectal lamina 211 and preceding bottom plate
Lightening hole 4 on 212 can also be used to facilitate fixed preceding stiffening plate 213.In addition, to further decrease the weight of front beam 21,
Preceding stiffening plate 213 also is provided in the perforative lightening hole 4 of its thickness direction.
Preferably, front beam 21 further includes the front end-plate 214 for being connected with drivers' cab, and front end-plate 214 is vertically fixed on
Between front tectal lamina 211 and rear lamina tecti 31, and it is vertically arranged with preceding stiffening plate 213.For promoted front beam 21 and drivers' cab it
Between flatness, front end-plate 214 is equipped with several installation waist holes 2141, and the connection waist hole of several installation waist holes 2141 and drivers' cab is vertical
Straight setting is conducive to vertically and laterally to compensate foozle and the installation error etc. between front beam 21 and drivers' cab
It further realizes complete flat without slope.
It should be noted that adding to be able to satisfy preset planarity requirements when guaranteeing that front beam 21 is connect with drivers' cab
First Combination Welding front tectal lamina 211, preceding bottom plate 212, preceding stiffening plate 213 and front end-plate 214 are needed when work front beam 21, then again
Process front end-plate 214.
Referring to FIG. 7, Fig. 7 is the structural schematic diagram of rear end-rack in Fig. 1.
In this specific embodiment, rear end-rack 3 includes rear lamina tecti 31, rear bottom plate 32 and end plate 33.Lamina tecti afterwards
31 and rear bottom plate 32 be arranged in parallel.The top surface of lamina tecti 31 is horizontally extending afterwards, and the top surface of rear lamina tecti 31 is along vertical
It is arranged to the top surface lower than passageway bottom plate 11.End plate 33 is vertically fixed between rear lamina tecti 31 and rear bottom plate 32, is used for
Connect other chassis.Lamina tecti 31 and rear bottom plate 32 are equipped with several lightening holes 4 being mutually communicated, the work of the lightening hole 4 afterwards
Identical with acting on the lightening hole 4 on 212 bracket of front tectal lamina 211 and preceding bottom plate, details are not described herein.Correspondingly, rear end
Frame 3 further includes the rear stiffening plate 34 being vertically fixed between rear lamina tecti 31 and rear bottom plate 32, and rear stiffening plate 34 is pushed up after being located at
Between cover board 31 and the lightening hole 4 of rear bottom plate 32, namely rear stiffening plate 34 is along the loss of weight of rear lamina tecti 31 and rear bottom plate 32
The bevel edge in hole 4 is arranged, to make rear 3 uniform stressed of end-rack, front beam 21 is effectively prevent to deform, and is conducive to further realize complete flat
Without slope.
In addition, end plate 33 is equipped with several hinge holes, preferably end plate 33 is equipped with two row hinge holes, to make rear end-rack 3
Top surface is flushed with the top surface of passageway bottom plate 11, the height of end plate 33 can be adjusted according to actual conditions, and then appropriate adjustment is hinged
The pitch of holes in hole is uniformly distributed in hinge hole on end plate 33, makes 33 uniform stressed of end plate, is conducive to extend end plate 33
Service life.Groove is equipped between end plate 33 and rear lamina tecti 31 and between end plate 33 and rear bottom plate 32, to prevent rear
Stress between end plate 33 and rear lamina tecti 31 and between end plate 33 and rear bottom plate 32 is excessively concentrated, and guarantees that end plate 33 divides
It is not connect sufficiently between rear lamina tecti 31 and rear bottom plate 32.End plate 33 is equipped with to be installed for the damper of mounting shock absorber
Seat 35 reduces occupied space so as to the volume of end-rack 3 after reducing.
The application further includes the side bar 5 being fixedly connected with the same side of front beam 21, central structure 1 and rear end-rack 3, preferably
Ground, the cross section of side bar 5 are c-type, one side side bar 5 by hide the lateral edge of front beam 21, central structure 1 and rear end-rack 3 come
Aesthetics is promoted, another aspect side bar 5 can also enhance the bonding strength between front beam 21, central structure 1 and rear end-rack 3,
It prevents adjacent pairs to be badly deformed, advantageously ensures that the flatness between front beam 21, central structure 1 and rear end-rack 3, convenient for real
It is now complete flat without slope.
Central structure 1 is equipped with connection curb girder 17, connection curb girder 17 preferably U-shaped beam, so as to upgrade block far from the side of side bar 5
The rigidity of chair mounting plate 12 and side wall junction.
For convenience of integrated bottom frame is promoted, the invention also includes the promotions being set on passageway side plate 16 and transition connecting plate 13 to hang
Ear 6, will pass through lifting means transhipment integrated bottom frame.6 circular through-hole of lifting lug is promoted, this is certainly not limited to.
The present invention also provides a kind of 100% low-floor rail vehicles, including car body, further include as described above 100% low
Floor rail floor underframe for vehicle.Since the guest room standing area of chassis is put down without slope entirely, guest room standing area is enable to be fully utilized, therefore
The comfort in guest room standing area increases.
100% low-floor rail vehicle chassis provided by the present invention and 100% low-floor rail vehicle are carried out above
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of 100% low-floor rail vehicle chassis characterized by comprising
With the central structure (1) for extending the passageway bottom plate (11) stood for passenger along the horizontal plane；
Top surface extends along the horizontal plane and is fixedly arranged on the preceding end-rack (2) and rear end-rack of the central structure (1) rear and front end respectively
(3), the top surface of the preceding end-rack (2) and the top surface of the rear end-rack (3) are equipped with the top of top surface Yu the passageway bottom plate (11)
Face flushes the interior installed floor stood for passenger.
2. 100% low-floor rail vehicle chassis according to claim 1, which is characterized in that central structure (1) packet
It includes:
It is fixedly arranged on passageway bottom plate (11) side and vertically raises upward, is used to support relative to the passageway bottom plate (11)
The seat mounting plate (12) of seat；
Two sides are abutted against with the passageway bottom plate (11) and the seat mounting plate (12) respectively, top it is vertically extending to institute
The bottom for stating seat mounting plate (12) offsets, passes through the passageway bottom plate (11) for bottom to avoid lateral damper and reduce
The transition connecting plate (13) of stress between the passageway bottom plate (11) and the seat mounting plate (12).
3. 100% low-floor rail vehicle chassis according to claim 1, which is characterized in that the central structure (1) is also
Including for being set to the stairstepping pedal (14) trampled above motor for passenger, the seat mounting plate (12) is symmetrical fixed
In the two sides of the stairstepping pedal (14), the seat mounting plate (12) has the stairstepping for being set to above bogie
Structure.
4. 100% low-floor rail vehicle chassis according to claim 1, which is characterized in that the passageway bottom plate (11)
Bottom be equipped with and several extend along its length to increase the passageway reinforcing rib (111) of intensity.
5. 100% low-floor rail vehicle chassis according to claim 1, which is characterized in that preceding end-rack (2) packet
It includes:
Top surface extend along the horizontal plane and top surface lower than the passageway bottom plate (11) top surface setting, for being connected with drivers' cab before
End carriage (21)；
Top surface flushes with the top surface of the front beam (21) and is connected between the central structure (1) and the front beam (21)
Connection framework (22).
6. 100% low-floor rail vehicle chassis according to claim 5, which is characterized in that front beam (21) packet
It includes:
Vertically front tectal lamina (211) disposed in parallel and preceding bottom plate (212)；The front tectal lamina (211) and the preceding bottom
Cover board (212) is equipped with several lightening holes (4) being mutually communicated；
Between the two neighboring lightening hole (4) and vertically it is fixed on the front tectal lamina (211) and the preceding bottom plate
(212) between, it is used to support the preceding stiffening plate (213) of the front tectal lamina (211) and the preceding bottom plate (212), before described
Stiffening plate (213) is equipped with lightening hole (4).
7. 100% low-floor rail vehicle chassis according to claim 6, which is characterized in that front beam (21) packet
It includes:
Front end-plate (214) for being connected with drivers' cab, the front end-plate (214) are equipped with several connection waists for drivers' cab
Hole is vertically to compensate the installation waist hole (2141) of difference in height between the front beam (21) and drivers' cab.
8. 100% low-floor rail vehicle chassis according to claim 1, which is characterized in that end-rack (3) packet after described
It includes:
Top surface is horizontally extending and top surface is lower than the rear lamina tecti (31) that the top surface of the passageway bottom plate (11) is arranged；
Vertically it is parallel to the rear bottom plate (32) of rear lamina tecti (31) setting；
The end plate (33) being vertically fixed between the rear lamina tecti (31) and the rear bottom plate (32).
9. 100% low-floor rail vehicle chassis according to claim 8, which is characterized in that lamina tecti (31) after described
Several lightening holes (4) being mutually communicated, the rear end-rack (3) are equipped with the rear bottom plate (32) further include:
Between the two neighboring lightening hole (4) and be vertically fixed on it is described after lamina tecti (31) and the bottom plate afterwards
(32) between, be used to support it is described after lamina tecti (31) and it is described after bottom plate (32) rear stiffening plate (34), it is described after reinforcement
Plate (34) is equipped with lightening hole (4).
10. a kind of 100% low-floor rail vehicle, which is characterized in that including car body, the car body includes such as claim 1 to 9
Described in any item 100% low-floor rail vehicle chassis.
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| CN201811325158.0A CN109178009B (en) | 2018-11-08 | 2018-11-08 | 100% low-floor rail vehicle underframe and 100% low-floor rail vehicle |
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| CN111252102A (en) * | 2020-03-17 | 2020-06-09 | 中铁轨道交通装备有限公司 | Low-floor tramcar underframe structure |
| CN113184006A (en) * | 2021-05-27 | 2021-07-30 | 北京轨道交通技术装备集团有限公司 | Rail vehicle and vehicle end hinge structure and vehicle end hinge mounting structure thereof |
| EP3909826A1 (en) * | 2020-05-15 | 2021-11-17 | Elbe Flugzeugwerke GmbH | Integral floor assembly for railway vehicles |
| CN115123322A (en) * | 2022-08-16 | 2022-09-30 | 中车唐山机车车辆有限公司 | Low-floor train, modular wheel cover and processing technology thereof |
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