CN106428087A - Bogie frame for low-floor hinged type railway vehicle and bogie - Google Patents
Bogie frame for low-floor hinged type railway vehicle and bogie Download PDFInfo
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- CN106428087A CN106428087A CN201610602237.6A CN201610602237A CN106428087A CN 106428087 A CN106428087 A CN 106428087A CN 201610602237 A CN201610602237 A CN 201610602237A CN 106428087 A CN106428087 A CN 106428087A
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- curb girder
- low
- mounting rail
- crossbeam
- bogie frame
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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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a bogie frame for a low-floor hinged type railway vehicle and a bogie. The frame is composed of two side beams, a center crossbeam, two end beams and two installation beams. The two end beams are fixed to the two end portions of the two side beams. The two ends of the center crossbeam are fixed to the middle portions of the two side beams. The installation beams are fixed to the outer sides of the side beams. After being welded, the side beams, the center crossbeam and the end beams are of a flat structure overall. The whole structure of the frame is optimally designed, the whole frame is of the flat structure, the limited space between independent wheels can be fully used, the frame is reasonable and compact in structure and small in weight, the height of a vehicle body floor face is greatly reduced, and the use requirement of the 100% low-floor vehicle is met.
Description
Technical field
The present invention relates to the bogie of a kind of rail vehicle, particularly to a kind of low-floor articulated track vehicle bogie
Framework, belongs to rail vehicle manufacturing technology field.
Background technology
Low-floor urban rail vehicle is flexible with it, strong adaptability, construction period are short, unit comprehensive cost and operation cost
The advantage such as relatively low, plays more and more important effect in a lot of urban transportations, and in Low-floor urban rail vehicle, bogie is made
For most important structure member, its structure and parameters directly determine stability and the comfortableness taken that vehicle runs.
Existing 100% Low-floor urban rail vehicle is relatively low due to floor, causes limited space under car, limits vehicle and turns
To the design of frame, additionally existing 100% Low-floor urban rail vehicle bogie generally has little curve negotiation ability difference, floor
Higher be difficult to get on or off the bus setting and the problem such as draw-gear is heavy.With the continuous progress of city rail vehicle, city rail vehicle is wanted
Ask more and more higher, it is therefore desirable to provide one can reduce floor and be beneficial to setting of getting on or off the bus, and simple and compact for structure, curve
Handling capacity low-floor strong, lightweight articulated track vehicle bogie.
In bogie, drive the equipment such as motor, brake apparatus, draw-gear, single stage suspension device, secondary suspension device
Being required to fixedly mount architecturally, therefore the overall operation performance to rail vehicle for the overall construction intensity of framework plays key
Effect.
Content of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, provide a kind of simple and compact for structure, can make full use of
The confined space between mechanism of independent wheel, is beneficial to reduce low-floor articulated track vehicle the bogie frame of height of floor from rail top.
Another main purpose of the present invention is, provides a kind of low-floor articulated track vehicle with above-mentioned framework
Bogie.
For achieving the above object, the technical scheme is that：
A kind of low-floor articulated track vehicle bogie frame, by two curb girders, a center crossbeam, two end carriages and
Two mounting rail compositions, two described end carriages are separately fixed at the both ends of two described curb girders, the two ends of described center crossbeam
Being fixed on the middle part of both sides curb girder, described mounting rail is fixed on the outside of curb girder, after described curb girder, center crossbeam, end carriage weld
Generally flat structure.
Further, described curb girder and mounting rail are the box structure being welded by steel plate splicing, described center crossbeam and end carriage
It is integrated cast structure part.
Further, described curb girder is the π shape structure being made up of a curb girder longeron and two curb girder crossbeams, two described sides
Beam crossbeam is arranged on the outside of described curb girder longeron.
Further, described mounting rail is in-line beam, docks with the end of two described curb girder crossbeams and is welded to connect；
Or described mounting rail is the π shape structure being made up of a mounting rail longeron and two mounting rail crossbeams, described in two
Mounting rail crossbeam is arranged on the inner side of described mounting rail longeron, and two described mounting rail crossbeams are horizontal with corresponding two described curb girders
Beam docking is welded to connect.
Further, described end carriage is I-shape construction, two inside described end carriage end and corresponding two curb girders
End docking is welded to connect.
Further, the intermediate beam of described end carriage has horizontal backstop opening, in the both sides of described horizontal backstop opening
It is symmetrically arranged with two secondary spring mounting seats, four angles of described end carriage are each provided with a primary spring mounting seat,
It is each provided with a vertical damper mounting seat in two ends in the outside of described end carriage, intermediate beam is provided with a horizontal stroke
To shock absorber mounting seat.
Further, described secondary spring mounting seat is the columnar structured of concave downward.
Further, described center crossbeam is in-line structure, is provided with and extends along cross-car on described center crossbeam
Strip open slot, on the both sides sidewall of described open slot fixedly mount drawing pull bar mounting seat.
Further, the outside at described mounting rail is provided with the side cover plate mounting seat for fixing side cover plate.
Another technical scheme of the present invention is：
A kind of low-floor articulated track vehicle bogie, has framework as above.
To sum up content, a kind of low-floor articulated track vehicle bogie frame of the present invention and bogie, with now
There is technology to compare, have the advantage that：
(1) overall structure to framework for the present invention is optimized design, makes framework integrally in flat structure, can be abundant
Utilizing the confined space between mechanism of independent wheel, not only frame construction is rationally compact, lightweight, and significantly reduces car body floor face
Height, meet 100% low floor vehicle use require.
(2) framework of the present invention uses the structure of steel plate and foundry goods Combination Welding, makes the welding interior stress of structure be down to
Low, and welding capacity can be reduced in a large number, improve processing performance and the packaging efficiency of framework, the integrally-built intensity of framework, rigidity, anti-
Fatigue behaviour and bearing capacity are all largely increased, and the safe operation meeting high speed railway car requires.
Brief description
Fig. 1 is bogie structure schematic diagram of the present invention；
Fig. 2 is frame construction schematic diagram of the present invention；
Fig. 3 is the structure schematic diagram of Fig. 2；
Fig. 4 is the structural plan figure of Fig. 2.
As shown in Figures 1 to 4, slew gear 1, framework 2, bolster 3, drawing pull bar 4, take turns to 5, lateral damper 6, vertical
Shock absorber 7, curb girder 8, curb girder longeron 8a, curb girder crossbeam 8b, end carriage 9, mounting rail 10, mounting rail longeron 10a, mounting rail crossbeam
10b, center crossbeam 11, curb girder top board 12, curb girder base plate 13, curb girder gusset 14, mounting rail top board 15, mounting rail base plate 16, peace
Dress beam gusset 17, open slot 18, drawing pull bar mounting seat 19, drawing pull bar mounting seat 20, braking block seat 21, motor mount
22, secondary spring mounting seat 23, primary spring mounting seat 24, lateral damper mounting seat 25, vertical damper mounting seat 26, convex
Play 27, horizontal backstop opening 28, installing hole 29, longitudinal backstop 30, lifting opening 31, gusset 32, side cover plate mounting seat 33, draining
Hole 34, osculum 35, installing hole 36, opening 37, fixing seat 38, U-shaped opening 39, bolt hole 40.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings：
It as it is shown in figure 1, a kind of low-floor articulated track vehicle bogie, is arranged on low-floor articulated track vehicle
On, bogie is installed below every two junctions saving compartment, two joint compartments are respectively with this bogie by slew gear 1 even
Connect.
Bogie include a framework the 2nd, two bolster the 3rd, two groups of drawing pull bar the 4th, two groups of wheels to the 5th, four driving motors, two
Group magnetic rail brake device, two groups of axle bridges, eight primary springs, four secondary springs etc., four driving motors independently drive four
Individual wheel, is mounted on a set of slew gear 1 on two bolster 3, and two bolster 3 are separately mounted to the centre to 5 for two groups of wheels,
The two ends often organizing drawing pull bar 4 are fixed be connected with bolster 3 and framework 2 respectively, pacify between the outside often organizing bolster 3 and framework 2
Equipped with lateral damper 6 and vertical damper 7, primary spring is arranged between axle bridge and framework 2, and secondary spring is arranged on framework
Between 2 and bolster 3.
In the present embodiment, bogie passes through slew gear 1 with the car body in two adjacent joint compartments respectively by two bolster 3
Connect, and each bolster 3 is directly connected realization traction and system by one group of drawing pull bar 4 respectively with the center crossbeam 11 of framework 2
Dynamic, when vehicle run traction and the transmission of brake force not only can be better achieved, carry vertical, horizontal, longitudinal loading, also greatly
Improve the little curve negotiation ability of vehicle, the configuration quantity of bogie 1 in vehicle marshalling can be reduced simultaneously, save vehicle
Manufacture, repair and maintenance cost.Two bolster 3 are connected with the center crossbeam 11 of framework 2 by one group of drawing pull bar 4 respectively, make two
Not affecting mutually between individual bolster 3 and two groups of drawing pull bar 4, a bolster 3 does not interferes with another when lengthwise movement and shakes
The lengthwise movement of pillow 3, and the vibratory impulse in a compartment is not transferred to another compartment, is independent of each other, it is achieved and two is adjacent
Decoupling between car body, drastically increases the comfortableness taken and reliability of operation.
As shown in Figures 2 to 4, the framework 2 that the present invention provides, including two curb girder the 8th, two end carriage the 9th, two mounting rails 10
With a center crossbeam 11.
Wherein, two curb girder 8 structures are identical and mutually right centered on car body longitudinally (referring to length over ends of body direction) center line
Claim to arrange.Two curb girders 8 π shape structure all for being made up of a curb girder longeron 8a and two curb girder crossbeam 8b, to improve curb girder 8
Overall construction intensity and bearing capacity.Curb girder longeron 8a is in-line structure, and two curb girder crossbeam 8b are parallel to each other and and side
Beam longeron 8a is vertical, outside two curb girder crossbeam 8b are arranged in the cross-car (referring to width of the carbody direction) of curb girder longeron 8a
Side, a curb girder longeron 8a and two curb girder crossbeam 8b are overall on a horizontal plane, in order to reduce the height in car body floor face.
Curb girder 8 uses box structure, is spliced welding by curb girder top board the 12nd, curb girder base plate 13 and polylith curb girder gusset 14
Forming, the π shape structural steel and iron that curb girder top board 12 and curb girder base plate 13 are all integrated, curb girder gusset 14 is also adopted by steel plate, vertical welding
Being connected between curb girder top board 12 and curb girder base plate 13 and surround the structure of box-shaped, staggers curb girder top board in the welding position of curb girder gusset 14
12 and the position of curb girder base plate 13 side edge, improving the structural strength of curb girder 8, and reduce welding interior stress to greatest extent
Generation.
Each braking block seat 21 fixing a magnetic rail brake device, braking block seat 21 on the sidepiece of two curb girder crossbeam 8b
It is a square steel plate, be weldingly fixed on curb girder crossbeam 8b.Protrude an overlap joint platform at the back side of braking block seat 21 (in figure not
Illustrate), the curb girder top board 12 at curb girder crossbeam 8b and curb girder base plate 13 outwardly one fix seat 38 herein, upper and lower two solid
Reservation 38 is overlapped on respectively and is welded to connect in the upper and lower surface of overlap joint platform.
Fixedly mounting a mounting rail 10 again in the outside of the cross-car of each curb girder 8, mounting rail 10 can use one
Character form structure, in the present embodiment, mounting rail 10 then preferably employs the structure of π shape, and the mounting rail 10 of π shape structure is also by an installation
Beam longeron 10a and two mounting rail crossbeam 10b compositions, two mounting rail crossbeam 10b are parallel to each other and hang down with mounting rail longeron 10a
Directly, the inner side of the shorter cross-car being arranged on mounting rail longeron 10a of two mounting rail crossbeam 10b length is (i.e. towards curb girder 8
Side).
Mounting rail 10 uses box structure, by mounting rail top board the 15th, mounting rail base plate 16 and polylith mounting rail gusset
17 splicings are welded, and the π shape structural steel and iron that mounting rail top board 15 and mounting rail base plate 16 are all integrated, mounting rail gusset 17 is also
Use steel plate, be vertically welded between mounting rail top board 15 and mounting rail base plate 16 and surround the structure of box-shaped.Mounting rail gusset 17
Welding position stagger the position of mounting rail top board 15 and mounting rail base plate 16 side edge, the structure to improve mounting rail 10 is strong
Degree, and reduce the generation of welding interior stress to greatest extent.
Two curb girder crossbeam 8b on curb girder 8 are mutually butted with two mounting rail crossbeam 10b on corresponding mounting rail 10
Being welded to connect, forming the II shape structure with square aperture 37 after curb girder 8 and mounting rail 10 docking welding, this structure not only may be used
To ensure the overall construction intensity of framework 2 and bearing capacity, the overall weight of framework 2 can also be mitigated.
At the joint of curb girder crossbeam 8b and mounting rail crossbeam 10b, the mounting rail gusset 17 of mounting rail crossbeam 10b end to
Outer prolongation one length, the curb girder gusset 14 of curb girder crossbeam 8b end inwardly shortens a length, the part that mounting rail gusset 17 extends
Stretch to the inside of curb girder crossbeam 8b, the end docking welding of mounting rail gusset 17 and curb girder gusset 14, mounting rail top board 15 He
Curb girder top board 12 docking welding, mounting rail base plate 16 and curb girder base plate 13 docking welding, mounting rail top board 15 and curb girder top board 12
The weld seam of the weld seam of docking and mounting rail base plate 16 and curb girder base plate 13 docking docks with curb girder gusset 14 and mounting rail gusset 17
Weld seam mutually stagger, it is to avoid weld stress concentrate, further improve framework 2 overall construction intensity.
The main body of mounting rail 10 and curb girder 8 are overall on a horizontal plane, and the overall structure in flat, in order to reduce car
The height of body floor, respectively arranges a motor mount 22 in two ends of mounting rail longeron 10a, for ensureing to drive motor
Axle center with wheel to 5 axle center point-blank, in the present embodiment, two ends of mounting rail longeron 10a are all upturned,
End forms the arcuate structure being bent upwards, and drives motor to be directly bolted on motor mount 22, can ensure
Its axle center with wheel to 5 axle center point-blank, mount and dismount all very simple and convenient.
Center crossbeam 11 is in-line structure, is molded by cast steel integrally casting, and the two ends of center crossbeam 11 are weldingly fixed on
On the curb girder gusset 14 of both sides curb girder 8, center crossbeam 11 and curb girder 8 are in same level.Position at welding center crossbeam 11
Putting, curb girder longeron 8a caves inward a U-shaped opening 39, and the end of center crossbeam 11 has the part widened, this end widened
It is inserted into welding in U-shaped opening 39.In the present embodiment, the end sidewalls that center crossbeam 11 is widened has the structure concaving,
The top margin of center crossbeam 11 enlarged width end portions docks with the curb girder top board 12 at U-shaped opening 39 and is welded to connect, and center crossbeam 11 is widened
The base of end is docked with the curb girder base plate 13 at U-shaped opening 39 and is welded to connect, and the curb girder gusset 13 of U-shaped opening 39 both sides lengthens
Stretch to the inside of center crossbeam 11 concave inward structure to dock with the sidewall of center crossbeam 11 and be welded to connect, make center crossbeam 11 and side
The butt weld of back plate 12 and curb girder base plate 13 and center crossbeam 11 mutually stagger with the butt weld of curb girder gusset 14, so
Not only can improve the structural strength of center crossbeam 11, improve its bearing capacity, the welding that can also be prevented effectively from commissure should
Power is concentrated, and improves the structural strength of center crossbeam 11 further.
Being provided with the strip open slot 18 extending along cross-car on center crossbeam 11, open slot 18 is at center crossbeam 11
Upper and lower surface on respectively arrange one.As it is shown in figure 1, all have spiral shell on the both sides sidewall of upper and lower two open slots 18
Keyhole 40, is used for fixedly mounting drawing pull bar mounting seat 19, and the sidepiece at two bolster 3 is provided with drawing pull bar too and installs
Seat 20, the two ends of drawing pull bar 4 are separately fixed in corresponding drawing pull bar mounting seat 19 and drawing pull bar mounting seat 20.In
The both sides of heart crossbeam 11 are respectively provided with two drawing pull bar 4, and two drawing pull bar 4 are arranged in parallel, and two drawing pull bar 4 are not
But transmission tractive force and the effect of brake force can be played, also function to the effect of anti-side rolling simultaneously, it is not necessary to additionally mounted a set of
Anti-side rolling torsion rod mechanism, not only makes vehicle run more steady, also makes the simple and compact for structure of framework 2, mitigate the weight of framework 2
Amount.
There is in the bottom of the open slot 18 of center crossbeam 11 groove of a strip, groove is provided with at least two
Osculum 34, groove is the structure tilting to osculum 34 direction, for the rain that will accumulate in center crossbeam 11 open slot 18
Water is got rid of.
Two end carriages 9 are symmetricly set on the both sides of center crossbeam 11, and two end carriages 9 are installed on the centre to 5 for two groups of wheels, no
But take full advantage of space limited between mechanism of independent wheel, be also beneficial to reduce the height in car body floor face.In the present embodiment, end carriage 9
For I-shape construction, integrally casting is molded, and to ensure the structural strength of end carriage 9, reduces welding capacity.
Two ends inside end carriage 9 (i.e. the end of the inner side along the longitudinally disposed curb girder of car body for two of end carriage 9) with
The end docking of two curb girder longeron 8a is welded and fixed, and has the part of thickening with curb girder longeron 8a in the end that end carriage 9 docks,
Make it match with the size of curb girder longeron 8a end, improve the bonding area at this, and then the structure improving this junction is strong
Degree.In the present embodiment, the end sidewalls thickening at end carriage 9 has the structure concaving, the top margin of end carriage 9 thickened end and end
Curb girder top board 12 docking be welded to connect, the base of end carriage 9 thickened end is docked with the curb girder base plate 13 of end and is welded to connect, with
Center crossbeam 11 sidewall butt-welded curb girder gusset 13 is simultaneously to the elongation of end carriage 9 direction, and the part of this lengthening stretches to end carriage 9
The inside of the concave inward structure of thickened end is docked with the sidewall of end carriage 9 and is welded to connect, and makes at the bottom of end carriage 9 and curb girder top board 12 and curb girder
The butt weld of plate 13 and end carriage 9 mutually stagger with the butt weld of curb girder gusset 14, so can improve the structure of junction
Intensity, the welding stress being prevented effectively from commissure is concentrated, and the structural strength of end carriage 9 is greatly improved, improves its bearing capacity.
The back of end carriage 9 has multiple horizontal and vertical gusset 32, and end carriage 9 is additionally provided with secondary spring mounting seat
23rd, primary spring mounting seat the 24th, lateral damper mounting seat 25 and vertical damper mounting seat 26.Gusset the 32nd, secondary spring is pacified
Dress seat the 23rd, primary spring mounting seat the 24th, lateral damper mounting seat the 25th, vertical damper mounting seat 26 and end carriage 9 integrally casting
Shaping, improves processing technology, improves the packaging efficiency of framework 2, is also beneficial to improve the overall construction intensity of end carriage 9 simultaneously and holds
Loading capability.
In the present embodiment, each end carriage 9 arranges two secondary spring mounting seats 23, two secondary spring mounting seats 23
It is symmetrical arranged centered on car body longitudinal centre line.Secondary spring mounting seat 23 uses sinkage type structure, is the circle of concave downward
Tubular construction, secondary spring falls to being contained in this secondary spring mounting seat 23, and the top of secondary spring is arranged on bolster 3 lower surface
Mounting seat (not shown) in.Secondary spring mounting seat 23 uses sinkage type structure to provide for reducing car body floor face height
Reliable guarantee.
Have a projection 27 upwards at the center of secondary spring mounting seat 23, protruding 27 is to go out with end carriage 9 integrally casting
Come, secondary spring be provided centrally with a vertical backstop (not shown) downwardly extending, protruding 27 stretch to two is
The inside of spring, with vertical backstop just to setting, has between vertical backstop between the bottom of vertical backstop and the top of protruding 27
Gap.When vehicle is properly functioning, do not contact between the bottom of vertical backstop with the top of protruding 27, only in the feelings that load capacity is bigger
Under condition, when secondary spring is compressed, the bottom of vertical backstop and protruding 27 top contact, vertical backstop is also further compressed,
Due to two be the rigidity of steel coil spring be linear, the rigidity of the vertical backstop of elastomeric material is non-linear, when load capacity is bigger
When, vertical backstop contacts with protruding 27 and is compressed, while playing backstop action, also functioning to the effect of variation rigidity, favorably
In the dynamic performance improving vehicle operation.
Also multiple osculum 35 is had in the bottom of secondary spring mounting seat 23, for secondary spring mounting seat will be accumulated in
Water in Rainwater Drainage in 23 removes.
Have a horizontal backstop opening 28 at the center of end carriage 9, the lower section of bolster 3 has an extension and (does not shows in figure
Go out), extension stretches in horizontal backstop opening 28, and the both sides gusset 32 in the cross-car of horizontal backstop opening 28 has
Having the installing hole 29 for installing horizontal backstop, horizontal backstop (not shown) is bolted on end carriage 9.Laterally
Being provided with longitudinal backstop 30 on two gussets 32 on the car body of backstop opening 28 is longitudinal, longitudinal backstop 30 plays longitudinal load-bearing
Effect, when drawing pull bar 4 lost efficacy, longitudinal backstop 30 coordinates with extension and remains to drive vehicle operation.
Bilateral symmetry at horizontal backstop opening 28 has a lifting opening 31, installs lifting bar in lifting opening 31
(not shown), the top of lifting bar is fixing with bolster 3 to be connected, and the bottom of lifting bar stretches to the lower section of lifting opening 31,
Lifting bar not only can limit the maximum vertical vibration distance of car body, may also operate as the effect of bogie integral lifting simultaneously,
Two lifting bars can keep balance during lifting.
As it is shown on figure 3, horizontal backstop opening 28 both sides end carriage 9 back gusset 32 and secondary spring mounting seat 23 it
Between form the part of a cavity, the bottom of lifting bar is arranged in the part of this cavity, not only facilitates horizontal backstop and lifting bar
Installation, also allow for regular maintenance, and without additionally arranging the structures such as horizontal backstop mounting seat, vertical backstop mounting seat,
Simplify the structure of framework 2 to a certain extent, also mitigate the weight of framework 2.
Being provided with four primary spring mounting seats 24 on each end carriage 9, four primary spring mounting seats 24 are positioned at end carriage 9
Four angles at, primary spring mounting seat 24 has the installing hole 36 of primary spring, the bottom of primary spring is fixed on axle
In the mounting seat of bridge.
In the present embodiment, each end carriage 9 arranges a lateral damper mounting seat 25 and two vertical damper peaces
Dress seat 26, lateral damper mounting seat 25 is arranged on the outside side wall of end carriage 9 intermediate beam, big to the inverted L for stretching out laterally
Shape structure, has the installing hole (not indicating in figure) for fixed lateral shock absorber 6 in lateral damper mounting seat 25.Vertical
Shock absorber mounting seat 26 is arranged on the end in two outsides of end carriage 9, and vertical damper mounting seat 26 is to car body longitudinal center
Line direction is stretched out, and is similarly inverted l-shaped structure, has the peace for fixing vertical damper 7 in vertical damper mounting seat 26
Dress hole (not indicating in figure).The other end of lateral damper 6 and vertical damper 7 is fixed on the sidewall of bolster 3.
Two side cover plate mounting seats 33, bogie sidepiece is fixed on the outside mounting rail gusset 17 of mounting rail longeron 10a
One strip side cover plate of each installation, for covering the bogie of inside, side cover plate is bolted on side cover plate mounting seat
On 33.
Two curb girders in the present invention the 8th, two end carriage the 9th, two mounting rails 10 and center crossbeam 11 base after welding
Originally being in same plane, framework 2 is overall in flat structure, and the center using I-shaped end carriage the 9th, π shape curb girder 8 and in-line is horizontal
Beam 11, I-shaped end carriage 9 is arranged on the centre taking turns two wheels to 5, and π shape curb girder 8 is arranged on two wheels before and after homonymy
Between.By optimizing design to framework 2 is integrally-built, not only make framework 2 rational in infrastructure compact, lightweight, and fully profit
By the confined space between independent wheel, significantly reduce the height in car body floor face, be beneficial to setting of getting on or off the bus, meet
The use of 100% low floor vehicle requires.
In the present invention, curb girder the 8th, mounting rail 10 uses steel plate splicing welded structure, end carriage 9 and center crossbeam 11 then to use
The cast member of integrally casting shaping, whole framework 2 uses steel plate and the structure of cast member Combination Welding, reduces welding capacity in a large number,
Improve processing performance and the packaging efficiency of framework 2, and, it is all placed on the position being welded to connect on straightway, junction
Weld seam also all use the structure mutually staggering, effectively prevent welding stress concentrate, make the welding interior stress of structure be down to
Low, the overall construction intensity of framework 2, rigidity, anti-fatigue performance and bearing capacity are all largely increased, and meet high-speed rail vehicle
Safe operation require.
As described above, combine 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 of above example being made according to the technical spirit of the present invention, etc.
With change and modification, in the range of all still falling within technical solution of the present invention.
Claims (10)
1. a low-floor articulated track vehicle bogie frame, it is characterised in that：By two curb girders, center crossbeam,
Two end carriages and two mounting rail compositions, two described end carriages are separately fixed at the both ends of two described curb girders, described center
The two ends of crossbeam are fixed on the middle part of both sides curb girder, and described mounting rail is fixed on the outside of curb girder, described curb girder, center crossbeam,
Generally flat structure after end carriage welding.
2. a kind of low-floor articulated track vehicle bogie frame according to claim 1, it is characterised in that：Described side
Beam and mounting rail are the box structure being welded by steel plate splicing, and described center crossbeam and end carriage are integrated cast structure part.
3. a kind of low-floor articulated track vehicle bogie frame according to claim 1 and 2, it is characterised in that：Institute
Stating curb girder is the π shape structure being made up of a curb girder longeron and two curb girder crossbeams, and two described curb girder crossbeams are arranged on described
The outside of curb girder longeron.
4. a kind of low-floor articulated track vehicle bogie frame according to claim 3, it is characterised in that：Described peace
Dress beam is in-line beam, docks with the end of two described curb girder crossbeams and is welded to connect；
Or described mounting rail is the π shape structure being made up of a mounting rail longeron and two mounting rail crossbeams, two described installations
Beam crossbeam is arranged on the inner side of described mounting rail longeron, two described mounting rail crossbeams and corresponding two described curb girder crossbeams pair
Connect and be welded to connect.
5. a kind of low-floor articulated track vehicle bogie frame according to claim 1 and 2, it is characterised in that：Institute
Stating end carriage is I-shape construction, and two inside described end carriage end is docked with the end of corresponding two curb girders and is welded to connect.
6. a kind of low-floor articulated track vehicle bogie frame according to claim 5, it is characterised in that：Described
Having horizontal backstop opening on the intermediate beam of end carriage, the bilateral symmetry at described horizontal backstop opening is provided with two secondary springs
Mounting seat, is each provided with a primary spring mounting seat on four angles of described end carriage, at two of the outside of described end carriage
End is each provided with a vertical damper mounting seat, is provided with a lateral damper mounting seat on intermediate beam.
7. a kind of low-floor articulated track vehicle bogie frame according to claim 6, it is characterised in that：Described two
Be spring mounting seat be the columnar structured of concave downward.
8. a kind of low-floor articulated track vehicle bogie frame according to claim 1, it is characterised in that：In described
Heart crossbeam is in-line structure, is provided with the strip open slot extending along cross-car, described on described center crossbeam
Drawing pull bar mounting seat is fixedly mounted on the both sides sidewall of open slot.
9. a kind of low-floor articulated track vehicle bogie frame according to claim 1, it is characterised in that：Described
The outside of mounting rail is provided with the side cover plate mounting seat for fixing side cover plate.
10. a low-floor articulated track vehicle bogie, it is characterised in that：Have as described in any one of claim 1-9
Bogie frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602237.6A CN106428087B (en) | 2016-07-28 | 2016-07-28 | A kind of low-floor articulated track vehicle bogie frame and bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602237.6A CN106428087B (en) | 2016-07-28 | 2016-07-28 | A kind of low-floor articulated track vehicle bogie frame and bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106428087A true CN106428087A (en) | 2017-02-22 |
| CN106428087B CN106428087B (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610602237.6A Active CN106428087B (en) | 2016-07-28 | 2016-07-28 | A kind of low-floor articulated track vehicle bogie frame and bogie |
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| CN (1) | CN106428087B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108128321A (en) * | 2017-12-21 | 2018-06-08 | 大连交通大学 | Hub-type independent wheel bogie |
| CN112644548A (en) * | 2019-10-10 | 2021-04-13 | 中车唐山机车车辆有限公司 | Framework of bogie |
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| CN105480246A (en) * | 2015-12-08 | 2016-04-13 | 南车株洲电力机车有限公司 | Railway vehicle frame and bogie |
| CN205971350U (en) * | 2016-07-28 | 2017-02-22 | 中车青岛四方机车车辆股份有限公司 | Articulated formula rail vehicle bogie frame of low -floor and bogie |
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| JP2008162455A (en) * | 2006-12-28 | 2008-07-17 | Kawasaki Heavy Ind Ltd | Bogie for low-floor type railway vehicle |
| CN203005447U (en) * | 2012-12-26 | 2013-06-19 | 南车青岛四方机车车辆股份有限公司 | Low floor light rail vehicle bullet train bogie |
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| CN205971350U (en) * | 2016-07-28 | 2017-02-22 | 中车青岛四方机车车辆股份有限公司 | Articulated formula rail vehicle bogie frame of low -floor and bogie |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108128321A (en) * | 2017-12-21 | 2018-06-08 | 大连交通大学 | Hub-type independent wheel bogie |
| CN108128321B (en) * | 2017-12-21 | 2019-11-15 | 大连交通大学 | Hub-type independent wheel bogie |
| CN112644548A (en) * | 2019-10-10 | 2021-04-13 | 中车唐山机车车辆有限公司 | Framework of bogie |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106428087B (en) | 2019-03-22 |
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