CN106080646A - Low-floor rail vehicle truck end sill and be provided with the bogie of this end carriage - Google Patents
Low-floor rail vehicle truck end sill and be provided with the bogie of this end carriage Download PDFInfo
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- CN106080646A CN106080646A CN201610602070.3A CN201610602070A CN106080646A CN 106080646 A CN106080646 A CN 106080646A CN 201610602070 A CN201610602070 A CN 201610602070A CN 106080646 A CN106080646 A CN 106080646A
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- Prior art keywords
- curb girder
- low
- end carriage
- rail vehicle
- sill
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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 present invention relates to a kind of low-floor rail vehicle truck end sill and the bogie of this end carriage is installed, it is arranged on the end of truck side sill, described end carriage is integrated the I-shape construction of casting, and two ends inside described end carriage are docked with the end of corresponding two curb girders and are welded to connect.The framework of the present invention is optimized design by overall structure, by using I-shaped end carriage, end carriage is made to may be mounted at the centre of two independent wheels, fully it is beneficial to the confined space between wheel, not only frame construction is the compactest, lightweight, and significantly reduce the height in car body floor face, meet the use requirement of 100% low floor vehicle.
Description
Technical field
The present invention relates to the bogie of a kind of rail vehicle, tie particularly to a kind of low-floor rail vehicle truck end sill
Structure and be provided with the bogie of this end carriage, 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 the most 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 the stability that vehicle runs and the comfortableness taken.
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, the most existing 100% Low-floor urban rail vehicle bogie generally has that little curve negotiation ability is poor, floor
Higher be difficult to get on or off the bus setting and the problem such as traction apparatus is heavy.Along 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 unit, traction apparatus, single stage suspension device, secondary suspension device
Being required to fixedly mount architecturally, therefore the overall construction intensity of framework plays key to the overall operation performance of rail vehicle
Effect.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, it is provided that a kind of simple and compact for structure, improve end carriage whole
Body structural strength and bearing capacity, and space can be made full use of, it is beneficial to reduce the low-floor rail vehicle of car body floor face height
Use truck end sill.
Another main purpose of the present invention is, it is provided that a kind of bogie being provided with above-mentioned end carriage.
For achieving the above object, the technical scheme is that
A kind of low-floor rail vehicle truck end sill, is arranged on the end of truck side sill, and described end carriage is integrated casting
I-shape construction, the end of two ends inside described end carriage and corresponding two curb girders is docked and is welded to connect.
Further, two ends at described curb girder are welded and fixed an end carriage respectively.
Further, two ends inside described end carriage have the part of thickening, in the end sidewalls that end carriage thickeies
There is the structure concaved, the top margin of end carriage thickened end corresponding with base with curb girder top board and curb girder base plate butt welding in succession
Connecing, the curb girder gusset between curb girder top board and curb girder base plate lengthens inside and the end of the concave inward structure stretching to end carriage thickened end
The sidewall docking of beam 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.
Further, described secondary spring mounting seat is the columnar structured of concave downward.
Further, the bottom in described secondary spring mounting seat is provided with a projection protruding upward.
Further, it is provided with for installing lifting between described horizontal backstop opening and the secondary spring mounting seat of both sides
The lifting opening of bar.
Further, two ends outside described end carriage are each provided with a vertical damper mounting seat, at intermediate beam
On be provided with a lateral damper mounting seat.
Further, the back side at described end carriage is provided with the gusset of multiple vertical and horizontal.
Another technical scheme of the present invention is:
A kind of low-floor rail vehicle bogie, has truck end sill as above.
To sum up content, a kind of low-floor articulated track vehicle bogie frame of the present invention and bogie, with existing
There is technology to compare, have the advantage that
(1) framework of the present invention is optimized design to overall structure, by using I-shaped end carriage, makes the end carriage can
To be arranged on the centre of two independent wheels, being fully beneficial to the confined space between wheel, not only frame construction is the compactest,
Lightweight, and significantly reduce the height in car body floor face, meet the use requirement of 100% low floor vehicle.
(2) end carriage of the present invention uses cast member, can reduce welding capacity in a large number, improves the processing performance of framework and assembles effect
Rate, makes the integrally-built intensity of framework, rigidity, anti-fatigue performance and bearing capacity all be largely increased, meets high-speed track
The safe operation requirement of vehicle.
Accompanying drawing explanation
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 5, lateral damper 6, vertical
Vibroshock 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:
As it is shown in figure 1, a kind of low-floor articulated track vehicle bogie, it 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 3, two groups of drawing pull bar of 2, two bolster 4, two groups wheel to 5, 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 two groups of wheels centre to 5,
Often the two ends of group drawing pull bar 4 are fixed be connected with bolster 3 and framework 2 respectively, pacify between the outside of bolster 3 and framework 2 often organizing
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 saves the car body in compartments respectively by slew gear 1 by two bolster 3 with adjacent two
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, the most 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 and reliability of operation taken.
As shown in Figures 2 to 4, the framework 2 that the present invention provides, including two curb girders, 9, two mounting rails 10 of 8, two end carriages
With a center crossbeam 11.
Wherein, two curb girder 8 structures are identical and the most right centered by car body longitudinally (referring to length over ends of body direction) centrage
Claim to arrange.Two curb girders 8 are all for the π shape structure 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, curb girder top board 12, curb girder base plate 13 and polylith curb girder gusset 14 splice welding
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 on the structure surrounding box-shaped between curb girder top board 12 and curb girder base plate 13, 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, to improve 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, is 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), 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 in the upper and lower surface of overlap joint platform and is welded to connect.
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 two shorter cross-car being arranged on mounting rail longeron 10a of mounting rail crossbeam 10b length is (i.e. towards curb girder 8
Side).
Mounting rail 10 uses box structure, by mounting rail top board 15, 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 in the structure surrounding box-shaped between mounting rail top board 15 and mounting rail base plate 16.Mounting rail gusset 17
Welding position stagger mounting rail top board 15 and the position of mounting rail base plate 16 side edge, strong to improve the structure of mounting rail 10
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, form 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 overall construction intensity and the bearing capacity of framework 2, it is also possible to alleviate the overall weight of framework 2.
At curb girder crossbeam 8b and the joint of 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 is concentrated, and improves further the overall construction intensity of framework 2.
The main body of mounting rail 10 and curb girder 8 entirety are 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 the most simple and convenient.
Center crossbeam 11 is in-line structure, and by cast steel integrally casting molding, 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 concaved,
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
The sidewall of the inside and center crossbeam 11 that stretch to center crossbeam 11 concave inward structure docks and is welded to connect, and makes center crossbeam 11 and side
Back plate 12 and the butt weld of curb girder base plate 13 and center crossbeam 11 mutually stagger, so with the butt weld of curb girder gusset 14
Not only can improve the structural strength of center crossbeam 11, improve its bearing capacity, it is also possible to the welding being 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 extended 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 drawing pull bar mounting seat 19 and the drawing pull bar mounting seat 20 of correspondence.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 pull strength and the effect of brake force can be played, also function to the effect of anti-side rolling, it is not necessary to additionally mounted a set of simultaneously
Anti-side rolling torsion rod mechanism, not only makes vehicle run more steady, also makes the simple and compact for structure of framework 2, alleviate 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 tilted 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 two groups of wheels centre to 5, 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 molding, to ensure the structural strength of end carriage 9, reduce welding capacity.
Two ends inside end carriage 9 (i.e. two of end carriage 9 are along the end of the inner side of the longitudinally disposed curb girder of car body) 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 thickeied at end carriage 9 has the structure concaved, 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 extends to end carriage 9 direction simultaneously, 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
23, primary spring mounting seat 24, lateral damper mounting seat 25 and vertical damper mounting seat 26.Gusset 32, secondary spring are pacified
Dress seat 23, primary spring mounting seat 24, lateral damper mounting seat 25, vertical damper mounting seat 26 and end carriage 9 integrally casting
Molding, improves processing technology, improves the packaging efficiency of framework 2, is the most also beneficial to improve the overall construction intensity of end carriage 9 and hold
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 by car body longitudinal centre line.Secondary spring mounting seat 23 uses sinkage type structure, for 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 extended, protruding 27 stretch to two is
The inside of spring, with vertical backstop just to setting, has between vertical backstop between bottom and the top of protruding 27 of vertical backstop
Gap.When vehicle is properly functioning, do not contact between the bottom of vertical backstop and 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
Time, vertical backstop contacts with protruding 27 and is compressed, while playing backstop action, also functioning to the effect of variation rigidity, favorably
In improving the dynamic performance that vehicle runs.
Also multiple osculum 35 is had, for secondary spring mounting seat will be accumulated in the bottom of secondary spring mounting seat 23
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.
Lateral 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 vertical vibration distance that car body is maximum, 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 vibroshock 6 in lateral damper mounting seat 25.Vertical
Vibroshock 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.
The outside mounting rail gusset 17 of mounting rail longeron 10a is fixed two side cover plate mounting seats 33, bogie sidepiece
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.
9, two mounting rails 10 of 8, two end carriages of two curb girders in the present invention and center crossbeam 11 base after welding
Originally being in same plane, framework 2 entirety is flat structure, and the center using I-shaped end carriage 9, 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 requirement of 100% low floor vehicle.
In the present invention, curb girder 8, mounting rail 10 use steel plate splicing welded structure, end carriage 9 and center crossbeam 11 then to use
The cast member of integrally casting molding, 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, the position being welded to connect all is placed on straightway, junction
Weld seam the most all use the structure mutually staggered, 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 requirement.
As it has been 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, all still fall within the range of technical solution of the present invention.
Claims (10)
1. a low-floor rail vehicle truck end sill, is arranged on the end of truck side sill, it is characterised in that: described end carriage is
The I-shape construction of integrally casting, the end butt welding of two ends inside described end carriage and corresponding two curb girders is in succession
Connect.
A kind of low-floor rail vehicle truck end sill the most according to claim 1, it is characterised in that: at described curb girder
Two ends are welded and fixed an end carriage respectively.
A kind of low-floor rail vehicle truck end sill the most according to claim 1 and 2, it is characterised in that: at described end
Two ends inside beam have the part of thickening, and the end sidewalls thickeied at end carriage has the structure concaved, and end carriage adds
The top margin of thick end is corresponding with base to be docked be welded to connect with curb girder top board and curb girder base plate, between curb girder top board and curb girder base plate
Curb girder gusset lengthen and stretch to the inside of concave inward structure of end carriage thickened end and dock with the sidewall of end carriage and be welded to connect.
A kind of low-floor rail vehicle truck end sill the most according to claim 1 and 2, it is characterised in that: at described end
Having horizontal backstop opening on the intermediate beam of beam, the lateral symmetry at described horizontal backstop opening is provided with two secondary spring peaces
Dress seat, is each provided with a primary spring mounting seat on four angles of described end carriage.
A kind of low-floor rail vehicle truck end sill the most according to claim 4, it is characterised in that: described secondary spring
Mounting seat is the columnar structured of concave downward.
A kind of low-floor rail vehicle truck end sill the most according to claim 5, it is characterised in that: it is bullet described two
The bottom of spring mounting seat is provided with a projection protruding upward.
A kind of low-floor rail vehicle truck end sill the most according to claim 4, it is characterised in that: laterally stop described
Stop the lifting opening being provided with between the secondary spring mounting seat of mouth and both sides for installing lifting bar.
A kind of low-floor rail vehicle truck end sill the most according to claim 1 and 2, it is characterised in that: at described end
Two ends outside beam are each provided with a vertical damper mounting seat, are provided with a lateral damper peace on intermediate beam
Dress seat.
A kind of low-floor rail vehicle truck end sill the most according to claim 1 and 2, it is characterised in that: at described end
The back side of beam is provided with the gusset of multiple vertical and horizontal.
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 |
|---|---|---|---|
| CN201610602070.3A CN106080646B (en) | 2016-07-28 | 2016-07-28 | Low-floor rail vehicle truck end sill and the bogie for being provided with the end carriage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602070.3A CN106080646B (en) | 2016-07-28 | 2016-07-28 | Low-floor rail vehicle truck end sill and the bogie for being provided with the end carriage |
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| CN106080646A true CN106080646A (en) | 2016-11-09 |
| CN106080646B CN106080646B (en) | 2018-02-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323477A (en) * | 2017-07-24 | 2017-11-07 | 中车齐齐哈尔车辆有限公司 | A kind of railway goods train bogie assemble method |
| CN112171095A (en) * | 2020-09-24 | 2021-01-05 | 中车长春轨道客车股份有限公司 | Shape and position deformation control welding method for underframe floor of motor train unit |
| WO2021068541A1 (en) * | 2019-10-10 | 2021-04-15 | 中车唐山机车车辆有限公司 | Bogie |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107323477A (en) * | 2017-07-24 | 2017-11-07 | 中车齐齐哈尔车辆有限公司 | A kind of railway goods train bogie assemble method |
| CN107323477B (en) * | 2017-07-24 | 2020-04-03 | 中车齐齐哈尔车辆有限公司 | Railway wagon bogie assembling method |
| WO2021068541A1 (en) * | 2019-10-10 | 2021-04-15 | 中车唐山机车车辆有限公司 | Bogie |
| CN112171095A (en) * | 2020-09-24 | 2021-01-05 | 中车长春轨道客车股份有限公司 | Shape and position deformation control welding method for underframe floor of motor train unit |
| CN112171095B (en) * | 2020-09-24 | 2021-12-14 | 中车长春轨道客车股份有限公司 | Shape and position deformation control welding method for underframe floor of motor train unit |
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