CN209700677U - A kind of framework and tramcar bogie - Google Patents
A kind of framework and tramcar bogie Download PDFInfo
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- CN209700677U CN209700677U CN201920369607.5U CN201920369607U CN209700677U CN 209700677 U CN209700677 U CN 209700677U CN 201920369607 U CN201920369607 U CN 201920369607U CN 209700677 U CN209700677 U CN 209700677U
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- 239000000725 suspension Substances 0.000 description 11
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Abstract
The utility model discloses a kind of framework and tramcar bogies.The framework includes longitudinal and cross beam, and the left and right ends of two crossbeams are arranged in two stringers, and the end of two stringers is stretched out with respect to the crossbeam of front and back two；The stringer middle section is located at approximately the same plane with respect to rear and front end formation recess recessed down, the recess top surface of the stringer and the top surface of crossbeam on the whole.The bogie of the utility model can effectively improve the small curve negotiation ability of tramcar and system damping performance.
Description
Technical field
The utility model relates to a kind of framework and tramcar bogies, belong to field of track traffic.
Background technique
Tramcar, especially low-floor tramcar are one of main tool of urban track traffic, main feature
It is that vehicle floor height is lower than common railcar, facilitates passenger getting on/off, low-floor tramcar bogie is as low-floor
The EEF bogie of vehicle is the critical component for realizing vehicle low-floor.
In order to adapt to low-floor tramcar floor low-floor, the method for comparing mainstream instantly is by motor longitudinal direction cloth
It sets in bogie two sides or uses independent wheelset motor wheel edge actuation techniques, space is conceded to inside for steering framing wheel, is realized
Tramcar bottom floor.However, low-floor tramcar is longitudinally arranged using motor in the outside of framework, this structure is opposite
Complexity, cost of parts are higher；In addition, motor is mounted on the motor mount of truck longitudinal sill stretching, stability is poor.In addition it passes
The positioning of system one system of tramcar is positioned using cone rubber spring, and framework is that rubber spring is mounted on the axis assembled with wheel by one
On cabinet, the stability of structure has the space further promoted.
Motor is longitudinally arranged the method in bogie two sides due to being limited by vehicle two sides limit, inevitable requirement bogie
Axle box mode is arranged to inside using wheel, so that truck longitudinal sill is also necessarily placed at wheel to inside so that car body aisle space by
Limit, in addition the longitudinally arranged mode structure of motor is complicated with respect to the mode of conventional motors lateral arrangement, and structure is also relatively unstable,
It is unfavorable for being runed for a long time equipment.As Chinese invention patent CN104590304 B discloses a kind of low-floor tramcar turn
To frame, the setting of bogie primary spring is in wheel between framework, and bogie is not provided with axle box beam, and brake uses reel system
It is dynamic.
Independent wheelset motor wheel edge actuation techniques can effectively solve the offering question of the low base surface of tramcar, but phase
To conventional bogie structural instability, conventional bogie wheel is weakened to self- steering function, increases derailing risk.
In actual moving process, tramcar usually requires to walk in inner city, one side small curve radius operation
Route is more, and operation operating condition is complicated；On the other hand, tramcar is more demanding to the comfort of passenger, how to improve tramcar
Suspension adaptability, improve the small curve negotiation ability of tramcar and system damping performance and low-floor tramcar
The critical issue and problem for needing to solve.
The utility model is exactly to put forward in this context.
Chinese patent application publication number CN107839710 A discloses the bogie of low-floor tramcar, the bogie
Motor using being longitudinally arranged, structure is relative complex, and motor is mounted on the motor mount of truck longitudinal sill stretching, stability compared with
Difference, in addition, the patent application is positioned using cone rubber spring, hang adds two systems of rubber hourglass spring using cone rubber spring
Suspension, small curve negotiation ability and system damping performance be not high.
Therefore, how the advantage of conventional bogie existing structure is rationally utilized, while can effectively realizes that tramcar is low
Floor is the primary study content of the utility model.
Utility model content
The utility model is intended to provide a kind of framework and tramcar bogie, and the frame construction is simple, is especially suitable for low
Floor bogie, to effectively improve the small curve negotiation ability of tramcar and system damping performance.
To achieve the goals above, the technical scheme adopted by the utility model is
A kind of framework, including two stringers in left and right and the crossbeam of front and back two, two crossbeam parallel interval settings, structure are special
Point is that the left and right ends of two crossbeams are arranged in two stringers, and the end of two stringers is stretched out with respect to the crossbeam of front and back two；Institute
Stringer middle section is stated with respect to rear and front end formation recess recessed down, the recess top surface of the stringer and the top surface of crossbeam are whole
It is located at approximately the same plane on body.
Embodiment according to the present utility model can also make further optimization to the utility model, and the following are after optimization
The technical solution of formation:
The recess top surface of bolster in order to facilitate the installation of, the stringer is equipped with secondary spring mounting base.
Preferably, it is spring mounting base that the rear and front end of the stringer, which is equipped with one, this one is spring mounting base with respect to front and back two
Root crossbeam stretches out.
Preferably, the crossbeam be equipped with motor mount, gear-box Holder for hanging household utensiles, drawing pull bar seat, longitudinal stopping seat and
At least one of magnetic rail brake device seat.
The motor mount has and the interface convenient for motor lateral arrangement.
It is circular arc ladder transition between the longitudinal and cross beam to improve the structural strength of framework.
Based on the same inventive concept, the utility model additionally provides a kind of tramcar bogie comprising described
Framework fills bolster architecturally, and wheel pair；The end of the bolster is filled architecturally by secondary spring.
Preferably, the motor of lateral arrangement is installed on the framework.
Preferably, the bottom of the framework is equipped with magnetic rail brake device.
The bogie of the utility model includes framework, fills bolster architecturally, and wheel pair.The left and right two of the framework
End is respectively provided with an axle box beam, which includes axle box beam body and semi-enclosed axle box positioned at axle box beam body front and back end, institute
The axle end for stating wheel pair is mounted in corresponding semi-enclosed axle box by axle-box locating set；
The axle box beam body is mounted below the stringer of the framework by single stage suspension, which is subtracted by vertical
Shake device is connected with the end of bolster, and the end of the bolster is installed architecturally by secondary suspension.
The axle box beam of the utility model is that fingerboard and axle box are integral, and the utility model, which creatively becomes framework, to be shaken
The transition structure of pillow and axle box beam, is equivalent to and the function of traditional framework is scatter.The configuration achieves conventional bogies
Two systems (primary spring, secondary spring) shock-damping structure is changed into three systems (axle-box locating set, primary spring, secondary spring) damping knot
Structure, the structure design structure is well arranged, maintainable more preferable, effectively improves the small curve negotiation ability of tramcar and is
System damping performance.
Preferably, the framework includes two stringers in left and right and the crossbeam of front and back two, and two crossbeam parallel intervals are arranged, and two
The left and right ends of two crossbeams are arranged in root stringer, and the end of two stringers is stretched out with respect to the crossbeam of front and back two；It is preferred that described
Being equipped with one at the top of the rear and front end of stringer is spring mounting base, this one is spring mounting base with respect to the crossbeam stretching of front and back two.
Preferably, the framework is equipped with motor mount, gear-box Holder for hanging household utensiles, drawing pull bar seat, longitudinal stopping seat, two
It is at least one of spring mounting base, magnetic rail brake device seat；It is preferred that being equipped with the electricity of lateral arrangement on the motor mount
Machine.
The stringer middle section is with respect to rear and front end formation recess recessed down, the recess top surface of the stringer and cross
The top surface of beam is located at approximately the same plane on the whole；The recess top surface is equipped with secondary spring mounting base, the end of the bolster
Secondary spring by being mounted on the secondary spring mounting base fills architecturally.
Preferably, the axle-box locating set includes interior steel bushing, outer steel sleeve, the elastic rubber between interior steel bushing and outer steel sleeve
The axle end of glue, the wheel pair is protruded into and is positioned in the interior steel bushing.
Preferably, the plane that the middle part of the axle box beam is formed relative to two axles is recessed, so that the peace of primary spring
Dress face is lower than the plane where axle；Pacify it is preferred that being provided under vertical damper mounting base, lifting pull rod on the outside of the axle box beam
Fill seat and transverse damper mounting base.
Preferably, the both ends top surface of the bolster is provided with annular mounting base, and carrying mill is equipped in the annular mounting base
Consume plate；It is preferred that it is described annular mounting base two sides open up it is fluted.
Preferably, the middle part of the bolster is recessed down, by being arranged in wheel medial surface between middle part and both ends
Outside bolster vertical plane be connected；The centre of the bolster is provided with center pin mount；It is preferred that the two sides of the bolster
What end was provided with annular two is vertical stopping seat, and described two be that vertical stopping seat has and is higher by secondary spring mounting surface on bolster
Height.
Preferably, be provided on the bolster transverse damper mounting base, longitudinal baffle plate, vertical damper mounting base,
Lifting pull rod upper mounting seat.
Conceived based on the same utility model, the utility model additionally provides a kind of tramcar comprising described turns
To frame and car body；The car body passes through the centrepin being arranged on bolster and connect with the bogie.
For the axle box beam of the utility model by axle-box locating set and bearing and front and back wheel to connection, motor is mounted on framework cross
Liang Shang, gear-box one end are mounted on axle, and the other end architecturally, is pacified by gear-box hanger erection between bolster and framework
Equipped with steel spring, car body passes through the connection of the centrepin realization and bogie that are arranged on bolster.
The axle box beam of the connectionless wheel pair of the utility model, primary spring and axle box and takes turns to connection, the utility model
Secondary suspension transfers force to framework after acting on bolster again, and the secondary spring directly acts on framework.
A kind of elasticity axle box positioning sleeve built in the truck journal box of the utility model as a result, plays truck journal box
The effect of positioning and damping；Circular cone rubber spring is provided between the bogie frame and axle box beam, between framework and bolster
It is provided with round steel spring, vertical damper and transverse damper are provided between bolster and axle box beam, is set between bolster and framework
It is equipped with longitudinal backstop, the structure and axle-box locating set form the suspension shock mitigation system of bogie together, and the bogie is unique
Suspension arrangement, improve the small curve negotiation ability of tramcar and system damping performance.
Compared with prior art, the utility model has the beneficial effects that
1, the motor on the bogie of the utility model is transversely mounted architecturally, and motor uses minor diameter stator knot
Structure reduces motor body structure size, adapts to the mounting height requirement of low-floor tramcar floor.
2, a kind of axle-box locating set built in the truck journal box, this axle-box locating set is by interior steel bushing, outer steel sleeve and bullet
Property rubber composition, play the role of truck journal box positioning and damping.
3, bogie is provided with axle box beam, and axle box beam is connected by screw bolts by axle box beam body and semiclosed axle box, two side axles
The two groups of wheels pair in box beam connection front and back, the basic support construction of composition bogie, this is compact-sized, stablizes, and axle box beam body and
Axle box internal bearings are convenient for disassembly and assembly.
4, primary spring mounting base is arranged in two groups of wheels to inside, and axle box beam is recessed with respect to axle plane, so that
Primary spring mounting surface is lower than axle plane, primary spring mounting height is advantageously reduced, to reduce the installation of entire car body
Highly, the setting of tramcar low-floor is realized.
5, it is provided with circular cone rubber spring between the bogie frame and axle box beam, circle is provided between framework and bolster
Steel spring is provided with vertical damper and transverse damper, longitudinal direction is provided between bolster and framework between bolster and axle box beam
Backstop, the structure and axle-box locating set form the suspension shock mitigation system of bogie, the unique suspension system of bogie together
System arrangement, improves the small curve negotiation ability of tramcar and system damping performance.
6, framework is arranged between axle box beam and bolster, and framework is made of two symmetrical stringers and two crossbeams, and stringer is high
Spending opposite beam height has apparent change of gradient, while meeting crossbeam bearing structure intensity, truck longitudinal sill and axle box beam it
Between there are appropriate spacing, adapt to the compression travel for being mounted on primary spring between framework and axle box beam, in addition longitudinal and cross beam it
Between use round and smooth gradient transition connection type, balance longitudinal and cross beam difference in height bring structure change, be conducive to bogie and hold
The stress of transitional region is uniformly distributed during load.
7, the bogie brake is mounted on the mounting seat of brake of motor housing end, and magnetic rail brake device is mounted on
The bottom of framework, axle box beam inside, centrepin draws the center for being mounted on bolster, connect by drawing pull bar with framework, institute
While stating structure realization component function, the matching requirements of bogie space structure are adapted to, so that bogie structure, which forms one, to be had
Machine is whole.
8, the carrying wearing plate on bolster is mounted in the annular mounting base of bolster two sides, and annular mounting base two sides offer
Groove, is conducive to the installation and removal for carrying wearing plate, and carrying wearing plate uses special wear-resistant material, not only acts as bearing body
The effect of weight, and its service life meets Operational requirements, while having revolution coefficient of friction appropriate, control car body traveling
Snakelike beat in the process.
9, the outside of wheel medial surface is arranged in the vertical plane of bolster, so that low-floor car body passes through bogie portion
The passageway divided can not be by the constraint of bolster vertical plane, until concordant with wheel medial surface, realization low-floor car body passageway is empty
Between maximization.
10, it is vertical stopping seat that bolster two sides, which are provided with annular two, while meeting installation requirement on the inside of secondary spring, tool
There is the appropriate height for being higher by secondary spring mounting surface on bolster, when secondary spring compressive deformation exceeds secondary spring compression limit
When, annular two is secondary spring mounting base rigid contact on vertical backstop and framework, plays the role of the vertical backstop of secondary spring.
11, compared with CN107839710 A, the motor of the utility model uses minor diameter stator structure, adapts to low-floor
While the mounting height of tramcar floor requires, using hang of the conventional mounting on truck transom, structure is more
Add stabilization；In addition, the utility model, using axle-box locating set positioning, structure is more compact, stablizes, and hang uses taper rubber
The mode that glue spring, round steel spring add axle-box locating to cover, improves the small curve negotiation ability of tramcar and system damping performance.
Detailed description of the invention
Fig. 1 is a kind of just equal side views of bogie of embodiment of the utility model；
Fig. 2 is the framework surveys views such as just in Fig. 1；
Fig. 3 is the bolster surveys views such as just in Fig. 1；
Fig. 4 is bolster partial enlarged view in Fig. 1；
Fig. 5 is the surveys views such as bolster bottom in Fig. 1；
Fig. 6 is the left-hand axis box beam surveys views such as just in Fig. 1；
Fig. 7 is the right-hand axis box beam surveys views such as just in Fig. 1；
Fig. 8 is the top view of Fig. 1；
Fig. 9 is the bottom view of Fig. 1；
Figure 10 be in Fig. 1 take turns to and axle box beam fit structure schematic diagram；
Figure 11 is the structural schematic diagram of axle box positioning sleeve in Figure 10；
Figure 12 is the front view of Fig. 2；
Figure 13 is the top view of Fig. 2；
Figure 14 is the left view of Fig. 2.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
A kind of framework, such as Fig. 2, shown in 12-14, including left and right two stringers 7 and the crossbeam 6 of front and back two, two crossbeams 6 it is flat
Row interval setting, the left and right ends of two crossbeams are arranged in two stringers 7, and the end of two stringers 7 is with respect to the cross of front and back two
Beam 6 stretches out.It is circular arc ladder transition between the stringer 7 and crossbeam 6.7 middle section of stringer is downward with respect to rear and front end
It is concavely formed recess, the recess top surface of the stringer 7 and the top surface of crossbeam 6 are located at approximately the same plane on the whole.The stringer 7
Recess top surface be equipped with secondary spring mounting base 10.It is spring mounting base 11 that the rear and front end of the stringer 7, which is equipped with one, this one
It is that spring mounting base 11 is stretched out with respect to the crossbeam of front and back two.
As shown in figs. 12-14, the crossbeam 6 be equipped with motor mount 8, gear-box Holder for hanging household utensiles 12, drawing pull bar seat 14,
Longitudinal stopping seat 13 and magnetic rail brake device seat 9.The motor mount 8 has and the interface convenient for motor lateral arrangement.
A kind of low-floor tramcar bogie, such as Fig. 1, shown in 10, the bogie is provided with axle box beam 1, axle box beam 1
It is connected by screw bolts by axle box beam body 26 and semiclosed axle box 28, to 33, composition turns to the connection of the two sides axle box beam 1 two groups of wheels in front and back
The basic support construction of frame, this is compact-sized, stable, and axle box beam body 24 and semiclosed axle box 28 and internal bearings dismounting side
Just, axle box beam 1 is that mounting base 24 carries 4 top quality of primary spring by one, and primary spring mounting base 24 is arranged in two groups of wheels
To 33 insides, and axle box beam 1 is recessed with respect to 34 plane of axle, so that 4 mounting surface of primary spring is lower than 34 plane of axle, has
Conducive to 4 mounting height of primary spring is reduced, to reduce the mounting height of entire car body, setting for tramcar low-floor is realized
It sets.Vertical damper mounting base 27, lifting pull rod lower mounting seat 25 and transverse damper mounting base are additionally provided on the outside of axle box beam 1
24.As shown in Figure 1, such axle box beam 1 is connected to the end of bolster 3 by vertical damper 37 and lifting pull rod 38.
As shown in Figure 1, the framework 2 is arranged between axle box beam 1 and bolster 3, framework 2 is by two symmetrical stringers 7 and two
A crossbeam 6 forms, and 7 height of stringer has apparent change of gradient with respect to 6 height of crossbeam, meets the same of 6 bearing structure intensity of crossbeam
When, there are appropriate spacing between truck longitudinal sill 7 and axle box beam 1, adaptation is mounted on primary spring 4 between framework 2 and axle box beam 1
In addition compression travel uses round and smooth gradient transition connection type between stringer 7 and crossbeam 6, balance stringer 7 and 6 difference in height of crossbeam
Bring structure change, the stress for being conducive to transitional region in bogie load bearing process are uniformly distributed.It is additionally provided on framework 2 each
It is spring installation that type mounting base, which includes: motor mount 8, gear-box Holder for hanging household utensiles 12, drawing pull bar seat 14, longitudinal stopping seat 13, two,
Seat 10, magnetic rail brake device seat 9, one are spring mounting base 11.
As shown in Figures 3 and 4, the bolster 3 is arranged between car body and bogie, and the carrying wearing plate 20 on bolster 3 is pacified
In the annular mounting base 21 of 3 two sides of bolster, annular 21 two sides of mounting base open up fluted, are conducive to carry wearing plate 20
Installation and removal, carrying wearing plate 20 use special wear-resistant material, not only act as the effect of bearing body weight, and it is used
Service life meets Operational requirements, while having revolution coefficient of friction appropriate, controls the snakelike beat in car body driving process.Bolster
The outside of wheel medial surface is arranged in vertical plane 19, so that the passageway that low-floor car body passes through bogie portion can not
By the constraint of bolster vertical plane 19, until, the maximization of realization low-floor car body aisle space concordant with wheel medial surface.
As shown in Figure 3 and Figure 5, pin mount 15 structure in center is provided among bolster 3, when car body and bogie assemble,
The centre of pull seat assembly of vehicle body upper portion is punctured into inside 15 hole of center pin mount of bolster, to realize that bogie motor is led
Gravitation and brake force are transmitted to car body.It is vertical stopping seat 23 that 3 two sides of bolster, which are provided with annular two, meets 5 inside of secondary spring
While installation requirement, there is the appropriate height for being higher by 5 mounting surface of secondary spring on bolster 3, when 5 compressive deformation of secondary spring is super
Out when compression limit, annular two is vertical backstop 23 and 10 rigid contact of secondary spring mounting base on framework 2, plays secondary spring
The effect of 5 vertical backstops.As shown in figure 3, being additionally provided with transverse damper mounting base 22, longitudinal baffle plate 16, vertical on bolster 3
Damper mounting base 17, lifting pull rod upper mounting seat 18.
Together with axle box beam is bolted with axle box, so that before axle box beam is realized while realizing axle box structure
Integrated design of the rear-wheel to 33, this structure is more stable, reliable, simultaneously because axle-box locating be cased with a certain amount of transverse direction and
Radial deflection ability, so that bogie curve negotiation ability can't weaken.
A kind of low-floor tramcar, including car body and bogie, car body pass through the centrepin being arranged on bolster and realize
With the connection of bogie.Motor on the bogie is transversely mounted on framework 2, and motor uses minor diameter stator structure, is subtracted
Small machine main structure size adapts to the mounting height requirement of low-floor tramcar floor.Built in the truck journal box
A kind of axle-box locating set, as shown in figure 11, this axle-box locating set 35 is by interior steel bushing 351, outer steel sleeve 353 and elastic rubber 352
Composition plays the role of truck journal box positioning and damping, is different from traditional axle-box locating mode, so that front and back wheel is formed to 33
Stationary positioned, structure is more compact, stablizes.
It is provided with circular cone rubber spring between the bogie frame 2 and axle box beam 1, is provided between framework 2 and bolster
Round steel spring is provided with vertical damper 37 and transverse damper 31, sets between bolster and framework 2 between bolster and axle box beam 1
It is equipped with longitudinal backstop, the structure and axle-box locating set form the suspension shock mitigation system of bogie together, and the bogie is unique
Suspension arrangement, improve the small curve negotiation ability of tramcar and system damping performance.As shown in FIG. 8 and 9, turn
Be mounted on to frame brake 36 on the mounting seat of brake of motor housing end, magnetic rail brake device 30 be mounted on framework 2 bottom,
The inside of axle box beam 1, centrepin draw the center for being mounted on bolster, are connect by drawing pull bar 32 with framework 2, and the structure is real
While existing component function, the matching requirements of bogie space structure are adapted to, so that bogie structure forms an organic whole.
The technological difficulties of the utility model are: conventional bogie bearing rigidity is mounted between axle 34 and axle box,
Bogie realizes positioning by the structures such as primary spring and axlebox rod, pivoted arm, and the utility model proposes determine bogie primary
Bit architecture outside axle box by moving to inside axle box, and axle-box locating set inside is provided with rubber spring, so that wheel is to 33 in transverse direction
There is a certain amount of displacement with radial, this structure not only has damping effect, reduces the wheel-rail contact force of wheel and track, subtracts
Few wheel wear, while meeting wheel when bogie running part crosses bend to transverse momentum needed for 33, meet bogie curve
Handling capacity.The system positioning realized inside axle box is covered by axle-box locating.
The present embodiment realizes two system of conventional bogie (primary spring, secondary spring) shock-damping structure and is changed into three system's (axis
Case positioning sleeve, one be rubber spring, two be steel spring) shock-damping structure, the structure design structure is well arranged, it is maintainable more
It is good.Axle box beam is connected by axle-box locating set and bearing and front and back wheel to 33, and motor is mounted on truck transom, gear-box one end
It is mounted on axle 34, the other end architecturally, is equipped with steel spring by gear-box hanger erection between bolster and framework.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this
The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.
Claims (9)
1. a kind of framework, including two stringers (7) in left and right and the crossbeam (6) of front and back two, two crossbeam (6) parallel interval settings,
It is characterized in that, the left and right ends of two crossbeams are arranged in two stringers (7), and the end of two stringers (7) is with respect to front and back two
Root crossbeam (6) stretches out；
Stringer (7) middle section with respect to rear and front end formation recess recessed down, the recess top surface of the stringer (7) with
The top surface of crossbeam (6) is located at approximately the same plane on the whole.
2. framework according to claim 1, which is characterized in that the recess top surface of the stringer (7) is equipped with secondary spring
Mounting base (10).
3. framework according to claim 1, which is characterized in that it is spring peace that the rear and front end of the stringer (7), which is equipped with one,
It fills seat (11), one to be spring mounting base (11) stretch out with respect to the crossbeams of front and back two for this.
4. framework according to claim 1, which is characterized in that the crossbeam (6) is equipped with motor mount (8), gear
At least one of case Holder for hanging household utensiles (12), drawing pull bar seat (14), longitudinal stopping seat (13) and magnetic rail brake device seat (9).
5. framework according to claim 4, which is characterized in that the motor mount (8) has and is convenient for motor lateral
The interface of arrangement.
6. framework according to any one of claims 1-5, which is characterized in that be between the stringer (7) and crossbeam (6)
Circular arc ladder transition.
7. a kind of tramcar bogie, including framework (2), the bolster (3) on framework (2), and wheel is to (33)；It is special
Sign is that the framework (2) is framework of any of claims 1-6；The end of the bolster (3) passes through two system's bullets
Spring (5) fills architecturally.
8. tramcar bogie according to claim 7, which is characterized in that be equipped with lateral cloth on the framework (2)
The motor set.
9. tramcar bogie according to claim 7, which is characterized in that the bottom of the framework (2) is equipped with magnetic
Track brake (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369607.5U CN209700677U (en) | 2019-03-22 | 2019-03-22 | A kind of framework and tramcar bogie |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369607.5U CN209700677U (en) | 2019-03-22 | 2019-03-22 | A kind of framework and tramcar bogie |
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| Publication Number | Publication Date |
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| CN209700677U true CN209700677U (en) | 2019-11-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994121A (en) * | 2020-08-14 | 2020-11-27 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN112660191A (en) * | 2021-01-06 | 2021-04-16 | 中车青岛四方机车车辆股份有限公司 | Framework of bogie and bogie |
-
2019
- 2019-03-22 CN CN201920369607.5U patent/CN209700677U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994121A (en) * | 2020-08-14 | 2020-11-27 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN112660191A (en) * | 2021-01-06 | 2021-04-16 | 中车青岛四方机车车辆股份有限公司 | Framework of bogie and bogie |
| CN112660191B (en) * | 2021-01-06 | 2023-01-03 | 中车青岛四方机车车辆股份有限公司 | Framework of bogie and bogie |
| EP4275987A4 (en) * | 2021-01-06 | 2024-04-17 | CRRC Qingdao Sifang Co., Ltd. | Framework of bogie and bogie |
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