CN206202317U - Low-floor rail vehicle bogie frame and bogie - Google Patents

Low-floor rail vehicle bogie frame and bogie Download PDF

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Publication number
CN206202317U
CN206202317U CN201620800946.0U CN201620800946U CN206202317U CN 206202317 U CN206202317 U CN 206202317U CN 201620800946 U CN201620800946 U CN 201620800946U CN 206202317 U CN206202317 U CN 206202317U
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China
Prior art keywords
curb girder
mounting rail
low
rail vehicle
floor
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CN201620800946.0U
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Chinese (zh)
Inventor
王晓明
周业明
张月军
周平宇
张会杰
赵海芹
史玉杰
周小江
吴梦
宋树亮
翟超智
刘畅
王石
潘振
王玉光
张雄飞
于春广
董晓红
马利军
刘玉文
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Priority to CN201620800946.0U priority Critical patent/CN206202317U/en
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Abstract

The utility model is related to a kind of low-floor rail vehicle bogie frame and bogie, and framework includes curb girder, and mounting rail is installed with the outside of curb girder, and II shape structure of middle opening is formed after the curb girder and mounting rail welding.The utility model is optimized design to overall structure, so that curb girder may be mounted between former and later two wheels of homonymy, not only make frame construction rationally compact, it is lightweight, and take full advantage of the confined space between independent wheel, the height in hull bottom plate face is significantly reduced, beneficial to setting of getting on or off the bus, the use requirement of 100% low floor vehicle is met.

Description

Low-floor rail vehicle bogie frame and bogie
Technical field
The utility model is related to a kind of bogie of rail vehicle, and more particularly to a kind of low-floor articulated track vehicle turns To framework frame, belong to rail vehicle manufacturing technology field.
Background technology
Low-floor urban rail vehicle is with its flexible, strong adaptability, short construction period, unit comprehensive cost and operation cost More low advantage, plays more and more important effect in many urban transportations, and in Low-floor urban rail vehicle, bogie is made It is most important structure member, the comfortableness that its structure and parameters directly determine the stability of vehicle operation and take.
Existing 100% Low-floor urban rail vehicle is relatively low due to base surface, and space is limited under causing car, limits vehicle and turns To the design of frame, existing 100% Low-floor urban rail vehicle bogie generally has that small curve negotiation ability is poor, base surface in addition It is higher be difficult to get on or off the bus setting and heavy draw-gear the problems such as.With the continuous progress of city rail vehicle, city rail vehicle is wanted Seek more and more higher, it is therefore desirable to which providing one kind can reduce base surface beneficial to get on or off the bus setting, and simple and compact for structure, curve Handling capacity is strong, lightweight low-floor articulated track vehicle bogie.
In bogie, the equipment such as motor, brake apparatus, draw-gear, single stage suspension device, secondary suspension device It is required to fixed installation architecturally, therefore the overall construction intensity of framework plays key to the overall operation performance of rail vehicle Effect.
Utility model content
The utility model main purpose is to solve the above problems and not enough, there is provided a kind of simple and compact for structure, lightweight, The confined space between mechanism of independent wheel can be made full use of, beneficial to the low-floor rail vehicle bogie frame for reducing base surface height.
Another main purpose of the present utility model is, there is provided a kind of low-floor rail vehicle with above-mentioned framework turns To frame.
To achieve the above object, the technical solution of the utility model is:
A kind of low-floor rail vehicle bogie frame, including curb girder, are installed with mounting rail on the outside of curb girder, institute State curb girder and mounting rail welding after formed middle opening II shape structure.
Further, the curb girder and mounting rail are by the box structure of top board, base plate and gusset splicing welding.
Further, the curb girder is the π shape structures being made up of a curb girder longeron and two curb girder crossbeams, two sides Beam crossbeam is arranged on the outside of the curb girder longeron.
Further, the mounting rail is in-line beam, and the end butt welding with two curb girder crossbeams is connected;
Or, the mounting rail is the π shape structures 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 the mounting rail longeron, and two mounting rail crossbeams are horizontal with corresponding two curb girders Beam butt welding is connected.
Further, in the mounting rail and the butt-welded position of curb girder, the weldering of mounting rail top board and the docking of curb girder top board The weld seam that seam and mounting rail base plate and the weld seam of curb girder base plate docking are docked with mounting rail gusset and curb girder gusset mutually staggers.
Further, a braking for installing magnetic rail brake device is each provided with two side walls of the curb girder crossbeam Stopping seat.
Further, the braking stopping seat is a square steel plate, and platform, the curb girder are overlapped in the back side protrusion one of steel plate , in an outwardly fixed seat, upper and lower two fixed seats are overlapped on overlap joint platform respectively for curb girder top board and curb girder base plate at crossbeam Upper and lower surface on be welded to connect.
Further, the end at the mounting rail two ends is each provided with one is used to install the motor mount of motor.
Further, two ends of the mounting rail are upturned, and the arcuate structure being bent upwards is formed in end.
Another technical scheme of the present utility model is:
A kind of low-floor rail vehicle bogie, with framework as described above.
To sum up content, a kind of low-floor rail vehicle bogie frame described in the utility model and bogie, it is and existing Technology is compared, and is had the following advantages that:
(1) framework of the present utility model is optimized design to overall structure so that curb girder may be mounted at homonymy Between former and later two wheels, not only make frame construction rationally compact, it is lightweight, and take full advantage of having between independent wheel Limit space, significantly reduces the height in hull bottom plate face, beneficial to setting of getting on or off the bus, meets the use of 100% low floor vehicle It is required that.
(2) by rational structure design, the position that will be welded to connect all is placed on straightway the utility model, connection The weld seam at place effectively prevent welding stress concentration also using the structure for mutually staggering, and be down to the welding interior stress of structure It is minimum, further increase overall construction intensity, rigidity, anti-fatigue performance and the bearing capacity of framework.
Brief description of the drawings
Fig. 1 is the utility model bogie structure schematic diagram;
Fig. 2 is the utility model frame construction schematic diagram;
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 is taken turns to 5, and lateral damper 6 is 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 brakes stopping 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 is convex Play 27, horizontal backstop opening 28, mounting hole 29, longitudinal backstop 30, lifting opening 31, gusset 32, side cover plate mounting seat 33, draining Hole 34, osculum 35, mounting hole 36, opening 37, fixed seat 38, U-shaped opening 39, bolt hole 40.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of low-floor rail vehicle bogie, on low-floor articulated track vehicle, every Bogie is installed in the junction lower section in two section compartments, and two section compartments are connected with the bogie by slew gear 1 respectively.
Bogie includes 3, two groups of bolster, 4, the two groups of wheels of drawing pull bar of framework 2, two to 5, four motors, two Group magnetic rail brake device, two groups of axle bridges, eight primary springs, four secondary springs etc., four 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 that two groups of wheels are to 5, Every group of two ends of drawing pull bar 4 are fixedly connected with bolster 3 and framework 2 respectively, pacify between the outside of every group of 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, car body of the bogie by two bolster 3 respectively with two adjacent section compartments passes through slew gear 1 Connection, and each bolster 3 is directly connected realization traction and system by one group of drawing pull bar 4 with the center crossbeam 11 of framework 2 respectively It is dynamic, traction and the transmission of brake force when vehicle runs can be not only better achieved, vertical, transverse direction, longitudinal loading are carried, it is also very big Improve the small curve negotiation ability of vehicle, while the configuration quantity of bogie 1 in vehicle marshalling can be reduced, save vehicle Manufacture, repair and maintenance cost.Two bolster 3 are connected by one group of drawing pull bar 4 with the center crossbeam 11 of framework 2 respectively, make two Do not influenceed mutually between individual bolster 3 and two groups of drawing pull bars 4, a bolster 3 does not interfere with another and shakes in lengthwise movement The lengthwise movement of pillow 3, and the vibratory impulse in a compartment is not transferred to another compartment, is independent of each other, and realizes that two is adjacent Decoupling between car body, drastically increases the comfortableness and reliability of operation of seating.
As shown in Figures 2 to 4, the framework 2 that the utility model is provided, including two end carriages 9, two of curb girder 8, two are installed Beam 10 and a center crossbeam 11.
Wherein, two structures of curb girder 8 are identical and mutually right centered on (the referring to length over ends of body direction) center line of car body longitudinal direction Claim to set.Two curb girders 8 are the π shape structures 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, and two curb girder crossbeam 8b are arranged on outer in the cross-car of curb girder longeron 8a (referring to width of the carbody direction) Side, a curb girder longeron 8a and two curb girder crossbeam 8b are overall on a horizontal plane, are used to reduce the height in car body floor face.
Curb girder 8 uses box structure, and welding is spliced by curb girder top board 12, curb girder base plate 13 and polylith curb girder gusset 14 Form, the π shape structural steel and irons that curb girder top board 12 and curb girder base plate 13 are integrated, curb girder gusset 14 is also adopted by steel plate, vertical welding It is connected between curb girder top board 12 and curb girder base plate 13 and surrounds the structure of box-shaped, the welding position of curb girder gusset 14 is staggered curb girder top board 12 and the position of the side edge of curb girder base plate 13, to improve the structural strength of curb girder 8, and welding interior stress is reduced to greatest extent Generation.
Each braking stopping seat 21 for fixing a magnetic rail brake device on two sidepieces of curb girder crossbeam 8b, brakes stopping seat 21 It is a square steel plate, is weldingly fixed on curb girder crossbeam 8b.Platform is overlapped in the back side protrusion one of braking stopping seat 21 (in figure not Show), the curb girder top board 12 and curb girder base plate 13 at curb girder crossbeam 8b are in an outwardly fixed seat 38 herein, and upper and lower two are solid Reservation 38 is overlapped in the upper and lower surface of overlap joint platform and is welded to connect respectively.
A mounting rail 10 is fixedly mounted again in the outside of the cross-car of each curb girder 8, and mounting rail 10 can use one Character form structure, in the present embodiment, then preferably using the structure of π shapes, the mounting rail 10 of π shape structures is also by an installation for mounting rail 10 Beam longeron 10a and two mounting rail crossbeam 10b compositions, two mounting rail crossbeam 10b are parallel to each other and are hung down with mounting rail longeron 10a Directly, two inner sides of the shorter cross-car for being arranged on mounting rail longeron 10a of mounting rail crossbeam 10b length are (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, the π shape structural steel and irons that mounting rail top board 15 and mounting rail base plate 16 are integrated, mounting rail gusset 17 Using steel plate, it is vertically welded between mounting rail top board 15 and mounting rail base plate 16 and surrounds the structure of box-shaped.Mounting rail gusset 17 Welding position stagger the position of mounting rail top board 15 and the side edge of mounting rail base plate 16, it is strong with the structure for improving mounting rail 10 Degree, and the generation of welding interior stress is reduced 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 It is welded to connect, the II shape structure with square aperture 37 is formed after curb girder 8 and the butt welding of mounting rail 10, this structure not only may be used To ensure the overall construction intensity and bearing capacity of framework 2, the overall weight of framework 2 can also be mitigated.
In curb girder crossbeam 8b and the joint of mounting rail crossbeam 10b, the mounting rail gusset 17 of mounting rail crossbeam 10b ends to One length of outer extension, the curb girder gusset 14 of curb girder crossbeam 8b ends inwardly shortens a length, the part of the extension of mounting rail gusset 17 Stretch to the inside of curb girder crossbeam 8b, the end butt welding of mounting rail gusset 17 and curb girder gusset 14, the He of mounting rail top board 15 The butt welding of curb girder top board 12, mounting rail base plate 16 and the butt welding of curb girder base plate 13, mounting rail top board 15 and curb girder top board 12 The weld seam of weld seam and mounting rail base plate 16 and curb girder base plate 13 docking of docking is docked 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 and curb girder 8 of mounting rail 10 are overall on a horizontal plane, and the overall structure in flat is used to reduce car The height of body floor, a motor mount 22 is respectively set in two ends of mounting rail longeron 10a, to ensure motor Axle center with wheel to 5 axle center point-blank, in the present embodiment, two ends of mounting rail longeron 10a are upturned, End forms the arcuate structure being bent upwards, and motor is directly bolted on motor mount 22, you can ensure Its axle center with wheel to 5 axle center point-blank, mount and dismount it is very simple and convenient.
Center crossbeam 11 is in-line structure, and by cast steel integrally casting shaping, 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 is with curb girder 8 in same level.In the position of welding center crossbeam 11 Put, curb girder longeron 8a caves inward a U-shaped opening 39, the end of center crossbeam 11 has the part widened, the end widened It is inserted into welding in U-shaped opening 39.There is the structure for concaving in the present embodiment, in the end sidewalls that center crossbeam 11 is widened, The top margin of the enlarged width end portions of center crossbeam 11 is connected with the butt welding of curb girder top board 12 at U-shaped opening 39, and center crossbeam 11 is widened The base of end is connected with the butt welding of curb girder base plate 13 at U-shaped opening 39, and the curb girder gusset 13 of the both sides of U-shaped opening 39 is lengthened Stretch to the inside of the concave inward structure of center crossbeam 11 to be connected with the side wall butt welding of center crossbeam 11, 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 The structural strength of center crossbeam 11 can be not only improved, its bearing capacity is improved, the welding that can also be prevented effectively from commissure should Power is concentrated, and further improves the structural strength of center crossbeam 11.
The strip open slot 18 extended along cross-car is provided with center crossbeam 11, open slot 18 is in center crossbeam 11 Upper and lower surface on each set one.As shown in figure 1, being provided with spiral shell on the both sides side wall of upper and lower two open slots 18 Keyhole 40, for fixedly mounting drawing pull bar mounting seat 19, is similarly provided with drawing pull bar and installs in two sidepieces of bolster 3 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 bars 4, and two drawing pull bars 4 are arranged in parallel, and two drawing pull bars 4 are not But can play a part of to transmit tractive force and brake force, while the effect of anti-side rolling is also functioned to, without additionally mounted a set of Anti-side rolling torsion rod mechanism, not only runs vehicle more steady, also makes the simple and compact for structure of framework 2, mitigates the weight of framework 2 Amount.
There is the groove of a strip in the bottom of the open slot 18 of center crossbeam 11, at least two are provided with groove Osculum 34, groove is to the inclined structure in the direction of osculum 34, for will accumulate in the rain in the open slot 18 of center crossbeam 11 Water is excluded.
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 that two groups of wheels are to 5, no But limited space between mechanism of independent wheel is taken full advantage of, also beneficial to the height for reducing car body floor face.In the present embodiment, end carriage 9 It is I-shape construction, integrally casting shaping, to ensure the structural strength of end carriage 9, reduces welding capacity.
The inner side of end carriage 9 two ends (i.e. two of end carriage 9 along the inner side of the longitudinally disposed curb girder of car body end) with The end butt welding of two curb girder longeron 8a is fixed, and the end docked with curb girder longeron 8a in end carriage 9 has the part for thickening, It is matched with the size of curb girder longeron 8a ends, improve the bonding area at this, and then it is strong to improve the structure of the junction Degree.In the present embodiment, the end sidewalls thickeied in end carriage 9 have the structure for concaving, the top margin of the thickened end of end carriage 9 and end The butt welding of curb girder top board 12 connection, the base of the thickened end of end carriage 9 is connected with the butt welding of curb girder base plate 13 of end, with The butt-welded curb girder gusset 13 of the side wall of center crossbeam 11 extends to the direction of end carriage 9 simultaneously, and the part of the lengthening stretches to end carriage 9 The inside of the concave inward structure of thickened end is connected with the side wall butt welding of end carriage 9, makes end carriage 9 and curb girder top board 12 and curb girder bottom The butt weld of plate 13 and end carriage 9 mutually stagger with the butt weld of curb girder gusset 14, can so improve the structure of junction Intensity, the welding stress for being prevented effectively from commissure is concentrated, and greatly improves the structural strength of end carriage 9, improves its bearing capacity.
The back of end carriage 9 has multiple horizontal and vertical gussets 32, and secondary spring mounting seat is additionally provided with end carriage 9 23rd, primary spring mounting seat 24, lateral damper mounting seat 25 and vertical damper mounting seat 26.Gusset 32, secondary spring is pacified Dress seat 23, primary spring mounting seat 24, lateral damper mounting seat 25, vertical damper mounting seat 26 and the integrally casting of end carriage 9 Shaping, improves processing technology, improves the packaging efficiency of framework 2, while also beneficial to the overall construction intensity for improving end carriage 9 and holding Loading capability.
In the present embodiment, two secondary spring mounting seats 23, two secondary spring mounting seats 23 are set on each end carriage 9 It is symmetrical arranged centered on car body longitudinal centre line.Secondary spring mounting seat 23 uses sinkage type structure, is the circle to lower recess Tubular construction, secondary spring falls in the secondary spring mounting seat 23, and the top of secondary spring is arranged on the lower surface of bolster 3 Mounting seat (not shown) in.Secondary spring mounting seat 23 uses sinkage type structure and is highly provided to reduce car body floor face Reliable guarantee.
There are upward raised 27 at the center of secondary spring mounting seat 23, raised 27 are gone out with the integrally casting of end carriage 9 Come, secondary spring is provided centrally with a vertical backstop (not shown) for extending downwardly, and raised 27 stretch to two is The inside of spring, with vertical backstop just to setting, between vertical backstop between the bottom of vertical backstop and raised 27 top Gap.When vehicle normally runs, the bottom of vertical backstop does not contact between the top with raised 27, only in the larger feelings of load capacity Under condition, when secondary spring is compressed, the bottom of vertical backstop is also further compressed with raised 27 top contact, vertical backstop, Because two is that the rigidity of steel coil spring is linear, the rigidity of the vertical backstop of elastomeric material is non-linear, when load capacity is larger When, vertical backstop is contacted and compressed with raised 27, while backstop action is played, also functions to the effect of variation rigidity, favorably In the dynamic performance for improving vehicle operation.
Multiple osculums 35 are also provided with the bottom of secondary spring mounting seat 23, for secondary spring mounting seat will to be accumulated in Rainwater in 23 is excluded.
There is an extension (not show in figure for the lower section for having a horizontal backstop opening 28, bolster 3 at the center of end carriage 9 Go out), extension is stretched in horizontal backstop opening 28, is had on the both sides gusset 32 in the cross-car of horizontal backstop opening 28 There is the mounting hole 29 for installing horizontal backstop, horizontal backstop (not shown) is bolted on end carriage 9.In transverse direction Longitudinal backstop 30 is provided with two gussets 32 on the car body longitudinal direction of backstop opening 28, longitudinal backstop 30 plays longitudinal load-bearing Effect, when drawing pull bar 4 fails, longitudinal backstop 30 remains to drive vehicle operation with extension cooperation.
Symmetrical being provided with both sides in horizontal backstop opening 28 installs lifting bar in a lifting opening 31, lifting opening 31 (not shown), the top of lifting bar is fixedly connected with bolster 3, and the bottom of lifting bar stretches to the lower section of lifting opening 31, Lifting bar can not only limit the maximum vertical vibration distance of car body, while the effect of bogie integral lifting is may also operate as, Two lifting bars can keep balance during lifting.
As shown in figure 3, the horizontal both sides of backstop opening 28 the back of end carriage 9 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 the cavity, not only facilitates transverse direction backstop and lifting bar Installation, also allow for regular maintenance, and without setting the structures such as horizontal backstop mounting seat, vertical backstop mounting seat in addition, The structure of framework 2 is simplified to a certain extent, also mitigates the weight of framework 2.
Four primary spring mounting seats 24 are provided with each end carriage 9, four primary spring mounting seats 24 are located at end carriage 9 Four angles at, the mounting hole 36 of primary spring is provided with primary spring mounting seat 24, the bottom of primary spring is fixed on axle In the mounting seat of bridge.
In the present embodiment, a lateral damper mounting seat 25 and two vertical damper peaces are set on each end carriage 9 Dress seat 26, lateral damper mounting seat 25 is arranged on the outside side wall of the intermediate beam of end carriage 9, big to being the inverted L stretched out laterally Shape structure, is provided with the mounting hole (not indicated in figure) for fixed lateral shock absorber 6 in lateral damper mounting seat 25.It is vertical Shock absorber mounting seat 26 is arranged on two ends in outside 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, and the peace for fixing vertical damper 7 is provided with vertical damper mounting seat 26 Dress hole (not indicated in figure).The other end of lateral damper 6 and vertical damper 7 is fixed on the side wall of bolster 3.
Two side cover plate mounting seats 33, bogie sidepiece are fixed on the outside mounting rail gusset 17 of mounting rail longeron 10a One strip side cover plate is respectively installed, the bogie for covering inside, side cover plate is bolted on side cover plate mounting seat On 33.
The mounting rail 10 of end carriage 9, two of two curb girders 8, two and a center crossbeam 11 in the utility model is in welding After be substantially in same plane, it is in flat structure that framework 2 is overall, using in I-shaped end carriage 9, π shapes curb girder 8 and in-line Heart crossbeam 11, I-shaped end carriage 9 is arranged on two centres of wheel that wheel is to 5, and π shapes curb girder 8 is arranged on former and later two of homonymy Between wheel.By to the integrally-built optimization design of framework 2, not only making framework 2 rational in infrastructure compact, lightweight, Er Qiechong The confined space between independent wheel point is make use of, the height in car body floor face is significantly reduced, beneficial to settings of getting on or off the bus, satisfaction The use requirement of 100% low floor vehicle.
In the utility model, curb girder 8, mounting rail 10 use steel plate splicing welded structure, and end carriage 9 and center crossbeam 11 are then Using the cast member of integrally casting shaping, whole framework 2 is a large amount of to reduce welding using steel plate and the structure of cast member Combination Welding Amount, improves the processing performance and packaging efficiency of framework 2, and, the position that will be welded to connect all is placed on straightway, connection The weld seam at place effectively prevent welding stress concentration also using the structure for mutually staggering, and be down to the welding interior stress of structure Minimum, the overall construction intensity of framework 2, rigidity, anti-fatigue performance and bearing capacity are all largely increased, and meet high-speed track The safe operation requirement of vehicle.
As described above, the plan content with reference to given by accompanying drawing, can derive similar technical scheme.In every case it is not de- From the content of technical solutions of the utility model, according to technical spirit of the present utility model above example is made it is any simple Modification, equivalent variations and modification, still fall within the range of technical solutions of the utility model.

Claims (10)

1. a kind of low-floor rail vehicle bogie frame, including curb girder, it is characterised in that:It is installed with the outside of curb girder II shape structure of middle opening is formed after mounting rail, the curb girder and mounting rail welding.
2. a kind of low-floor rail vehicle bogie frame according to claim 1, it is characterised in that:The curb girder and peace The box structure that dress Liang Junwei is welded by the splicing of top board, base plate and gusset.
3. a kind of low-floor rail vehicle bogie frame according to claim 1 and 2, it is characterised in that:The curb girder It is the π shape structures being made up of a curb girder longeron and two curb girder crossbeams, two curb girder crossbeams are arranged on the curb girder and indulge The outside of beam.
4. a kind of low-floor rail vehicle bogie frame according to claim 3, it is characterised in that:The mounting rail is In-line beam, the end butt welding with two curb girder crossbeams is connected;
Or, the mounting rail is the π shape structures being made up of a mounting rail longeron and two mounting rail crossbeams, two installations Beam crossbeam is arranged on the inner side of the mounting rail longeron, two mounting rail crossbeams and the corresponding two curb girder crossbeams pair Connect and be welded to connect.
5. a kind of low-floor rail vehicle bogie frame according to claim 4, it is characterised in that:In the mounting rail With the butt-welded position of curb girder, the weld seam and mounting rail base plate and the docking of curb girder base plate of mounting rail top board and the docking of curb girder top board The weld seam that is docked with mounting rail gusset and curb girder gusset of weld seam mutually stagger.
6. a kind of low-floor rail vehicle bogie frame according to claim 3, it is characterised in that:Two sides A braking stopping seat for installing magnetic rail brake device is each provided with the side wall of beam crossbeam.
7. a kind of low-floor rail vehicle bogie frame according to claim 6, it is characterised in that:The braking backstop Seat is a square steel plate, and platform, curb girder top board and curb girder base plate at the curb girder crossbeam are overlapped in the back side protrusion one of steel plate In an outwardly fixed seat, upper and lower two fixed seats are overlapped in the upper and lower surface of overlap joint platform and are welded to connect respectively.
8. a kind of low-floor rail vehicle bogie frame according to claim 4, it is characterised in that:In the mounting rail The end at two ends is each provided with one is used to install the motor mount of motor.
9. a kind of low-floor rail vehicle bogie frame according to claim 8, it is characterised in that:The mounting rail Two ends are upturned, and the arcuate structure being bent upwards is formed in end.
10. a kind of low-floor rail vehicle bogie, it is characterised in that:With the steering as described in claim any one of 1-9 Framework frame.
CN201620800946.0U 2016-07-28 2016-07-28 Low-floor rail vehicle bogie frame and bogie Active CN206202317U (en)

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CN201620800946.0U CN206202317U (en) 2016-07-28 2016-07-28 Low-floor rail vehicle bogie frame and bogie

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112676677A (en) * 2020-12-16 2021-04-20 安徽雷尔伟交通装备有限公司 Preparation method of straddle type monorail vehicle framework bottom plate pre-assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112676677A (en) * 2020-12-16 2021-04-20 安徽雷尔伟交通装备有限公司 Preparation method of straddle type monorail vehicle framework bottom plate pre-assembly

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