CN107264558A - A kind of backstop and the bogie with the backstop - Google Patents

Abstract

The invention provides a kind of backstop being arranged between bogie frame and centrepin, the backstop includes center key seat, elastomer, transverse gear and base, the center key seat is fixed on the centrepin, one end of the elastomer is in contact with the center key seat, transverse gear is connected with the other end of the elastomer, and the baffle plate corresponding with the center key seat level is provided with transverse gear.It is so designed that, when vehicle at a relatively high speed by level curve when, by inertia force influence, certainly will also can be by larger impulsive force between especially horizontal backstop and centrepin between framework and car body, the shock loading that above-mentioned design can transmit bogie is delivered on transverse gear by the base on bogie frame, then is extenuated shock loading by the elastomer between transverse gear and center key seat.Muscle is provided with the baffle plate, base is connected with transverse gear, and be fixed on the framework.The present invention also provides a kind of bogie on this basis.

Description

A kind of backstop and the bogie with the backstop

Technical field

The present invention relates to rail vehicle technical field, more particularly to a kind of backstop and the steering with the backstop Frame.

Background technology

With the popularization of high ferro, people propose higher and higher requirement to the riding comfort of high ferro, high Iron engineers propose higher requirement on the basis of passenger demand is met to the manufacturing process of train.

Bogie and car body are the chief components of train, and the part being connected in car body with bogie is referred to as Draw-gear, the quality of draw-gear, which is not only related to the operation safety of train but also is directly connected to, to be multiplied The ride quality of visitor.It is the outside of braced frame, close when wheel is to driving to the more anxious curve of bent angle Take turns to position can bear larger moment of torsion and act on.Simultaneously when car speed is higher, framework and car body it Between especially between draw beam and centrepin also can by larger impulsive force, these impulsive forces directly or It is changed into noise indirect transfer to the riding comfort that passenger is directly influenced in compartment, how reduces impact Power, makes the shaking amplitude in compartment minimum, is the problem of current technical staff's research.

In the prior art, lateral damper is provided with the draw beam of train, is turned for eliminating train When because train body relative to rocking between bogie, reduce the impact noise because rocking generation.But Be against lateral damper effectiveness in vibration suppression be it is limited, car body turn when with bogie displacement according to It is so very big.

In view of this, it would be highly desirable to optimize design for prior art so that train when turning is rocked, The lateral deflection amplitude of bogie and headstock is minimum, improves passenger's ride quality.

The content of the invention

For drawbacks described above, present invention solves the technical problem that being there is provided a kind of bogie, to solve With the displacement of bogie, still very big, shock loading is big when turning for car body present in present technology Problem.

The invention provides a kind of backstop being arranged between the framework of bogie and centrepin, the backstop bag Base, transverse gear, center key seat and elastomer are included, the base is fixedly installed on the small vertical of the framework Liang Shang, external periphery outline of the base external periphery outline without departing from the stringer；The transverse gear with The base is fixedly connected, and is provided with the transverse gear on baffle plate, the baffle plate and is provided with muscle； The center key seat is fixedly installed on the centrepin, and is oppositely arranged with the baffle plate；The bullet Property body is arranged between the transverse gear and the center key seat.

Preferably, it is provided with muscle on the baffle plate.

Preferably, the elastomer is fixedly installed on the transverse gear.

Preferably, gap trimmer is provided between the transverse gear and the base.

Preferably, the elastomer has seat board.

Preferably, the seat board is arranged on the transverse gear.

Preferably, the distance between the baffle plate and the center key seat alterable.

Preferably, there is downward gap on the gap trimmer.

Preferably, the baffle plate is symmetrical arranged on the transverse gear, and the elastomer is arranged on described In the middle of baffle plate.

The present invention also provides a kind of bogie, including centrepin and framework, is adopted between the centrepin and framework Use foregoing backstop.

From such scheme, it is arranged on the invention provides a kind of between the framework of bogie and centrepin Backstop, the backstop includes base, transverse gear, center key seat and elastomer, and the base is fixedly installed On the stringer of the framework, the base external periphery outline is taken turns without departing from the outward flange of the stringer Exterior feature, so designs, will not block the installing space around stringer, be also more convenient in installation process, At the same time, during the load of bogie is transmitted to centrepin, transmitted by the stringer of framework , evenly, transverse gear will not produce upset to dynamics along the faceted pebble of stringer, and this design is more stablized, And base is not in the phenomenon of bending.

The transverse gear is fixedly connected with the base, and baffle plate is provided with the transverse gear, described to stop Muscle is provided with baffle plate；The center key seat is fixedly installed on the centrepin, and with the baffle plate It is oppositely arranged；The elastomer is arranged between the transverse gear and the center key seat.It is so designed that, When vehicle at a relatively high speed by level curve when, by inertia force influence, between framework and car body especially Bogie can also certainly will be passed by larger impulsive force, above-mentioned design between draw beam and centrepin The shock loading passed is delivered on transverse gear by the base on bogie frame, then by transverse gear with Elastomer between heart key seat extenuates shock loading.

Certainly, centrepin is limited relative to the transverse movement distance of framework, when inertia force is huge, no When being enough to be absorbed by elastomer, the baffle plate set on transverse gear is touched with centrepin seated connection, limitation The transverse movement of centrepin, to prevent car body excessive relative to the transverse movement of bogie.Pass through elasticity The limitation of body energy-absorbing and transverse gear to centrepin transverse movement distance so that the passenger in compartment shakes innervation and subtracted Gently, the ride quality of passenger is improved, also avoiding vehicle, dynamic displacement exceedes gauge in the process of running It is required that.Base is connected with transverse gear, and is fixed on the framework, by the transverse movement distance of centrepin It is limited, prevents from acutely bringing uncomfortable sensation to passenger because car body is rocked.

In the preferred scheme of the present invention, muscle is provided with the baffle plate, to prevent rushing for bogie Hit load and cross baffle plate described in senior general and fracture, and can bear that load is bigger, resist stronger horizontal punching Hit power.

In another preferred scheme of the present invention, gap is provided between the transverse gear and the base Trimmer.Transverse gear can be so adjusted when transverse gear is installed on the base of bogie frame Gap between base, i.e., can adjust the distance on transverse gear between baffle plate and center key seat, distance Regulation can allow the energy-absorbing of elastomer more reasonable, and centrepin transverse movement is apart from more controllable.

In the another preferred scheme of the present invention, there is downward gap on the gap trimmer, pad slits Mouthful setting, facilitate the dismounting of operating personnel, when need to adjust the distance between transverse gear and base when Wait, without transverse gear is pulled down, only gap trimmer need to be filled in gap from above, allow gap trimmer On gap insertion transverse gear and base between connector on, so not only facilitating installation can also Prevent gap trimmer from being dropped in train travelling process.

Rail vehicle provided by the present invention is provided with above-mentioned bogie, because the bogie has above-mentioned skill Art effect, the rail vehicle provided with the bogie should also have corresponding technique effect.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to reality The accompanying drawing used required for applying in example or description of the prior art is briefly described, it is therefore apparent that retouched below Accompanying drawing in stating only some embodiments of the present invention, for those of ordinary skill in the art, On the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of structural representation of specific embodiment of framework of bogie provided by the present invention.

Fig. 2 is the axle side schematic diagram of bogie in Fig. 1.

Fig. 3 is the particular location schematic diagram of bearing.

The assembling schematic diagram of pin and draw beam centered on Fig. 4.

Fig. 5 is Fig. 4 sectional view.

Fig. 6 is the sectional view of draw beam.

Fig. 7 is lateral damper scheme of installation.

Fig. 8 is that wheel adjust pad uses schematic diagram.

Fig. 9 is the installation relation exploded perspective view of backstop, centrepin and stringer.

Figure 10 is the exploded perspective view of backstop.

Figure 11 is the overall structure diagram of bogie.

In Fig. 1-11：

Framework 1, bearing 11, beam pipe 12, adjust pad 13, centrepin 2, draw beam 3, vertical backstop 31st, lateral damper bearing 32, cutting ferrule 33, capping 4, drawing pull bar 5, fastener 6, bolt 7, bullet Property device 8, center cavity 81, lateral damper 9, backstop 10, base 101, transverse gear 102, baffle plate 1021st, muscle 1022, gap trimmer 103, elastomer 104, seat board 1041, center key seat 105, small vertical Beam 111, gap a, on centrepin plane to track apart from L, wheel wear amount L1, dismounting adjust pad Gross thickness L2.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the invention, and The embodiment being not all of.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing Go out the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.

The present embodiment provides a kind of train bogie, as Figure 1-3.Wherein, Fig. 1 is carried by the present invention For a kind of structural representation of specific embodiment of bogie；Fig. 2 is the axle side schematic diagram of bogie in Fig. 1； Fig. 3 is the particular location schematic diagram of bearing.

The bogie includes framework 1, one end and is fixed on the lateral damper 9 of the framework, is fixed on framework Drawing pull bar 5 on 1, the draw beam 3 being fixed in drawing pull bar 5 and it is fixed on draw beam 3 Heart pin 2, centrepin 2 is also connected with car body (not shown) simultaneously, so by centrepin 2 with leading Drawing beam 3 just can link together car body with bogie, be passed to reduce bogie by draw beam 3 The shock loading of centrepin 2 is delivered to, the other end of lateral damper 9 is passed through into lateral damper bearing 32 It is fixed on draw beam 3, shock loading is absorbed by lateral damper 9, allows draw beam 3 to be delivered to The shock loading of centrepin 2 reduces, and ride quality has obtained good lifting.

Explanation is needed exist for, the stub end that lateral damper 9 is connected with draw beam 3 is higher than it The small head end being connected with framework 1.Specifically, the height of the stub end of lateral damper 9 and small head end Difference is greater than its vertical addendum modification, and this mounting means even draw beam 3 is pushed by car body, laterally subtracted Shake device two ends 9 can also at least holding level, can so ensure its good damping effect, move it Mechanical property is more excellent.Stub end mentioned here refers to the cylinder body end of lateral damper 9, small head end It is the cylinder rod end of lateral damper 9.

Lateral damper bearing 32 is structure as a whole with draw beam 3.In train in running, laterally The shock loading that absorber seat 32 is subject to is larger, and integrative-structure can increase lateral damper bearing 32 Intensity.And welding procedure is eliminated, substantially increase production efficiency.Moreover, it is integrally formed The draw beam 3 of structure avoids the stress concentration that welding is produced, and improves draw beam 3 intensity of itself, Powerful guarantee is provided for the safe operation of train.

At the same time, draw beam 3 is also fabricated to integrated formed structure, it has and the centrepin phase The cavity of adaptation.So it is more convenient for improving installation accuracy while installation, installation accuracy is improved, car Run the transmission of middle power also just more rationally, and be conducive to improving the ride quality of passenger.With it is foregoing Lateral damper bearing 32 is integrally formed as principle with draw beam 3, and technique is simpler, accessory size Precision is high, and integrated can more preferably eliminate group welds this process, substantially increases production efficiency.Not only In this way, the draw beam 3 of integrated formed structure it also avoid because of the deformation that the stress concentration that group weldering is produced is produced, Draw beam 3 intensity of itself is improved, powerful guarantee is provided for the safe operation of train.

Here, draw beam 3 is formed in one structure, and it is specially casting, it is of course also possible to according to reality Forging is manufactured into the need for border.The cavity being adapted to centrepin 2 can be through hole, or Closed cavity, specific constructive form can be configured according to actual conditions.

The vertical backstop 31 being engaged with framework 1 is provided with draw beam 3.Vertical backstop 31 be responsible for The task that framework 1 is mutually accepted.So, when compartment is lifted together with bogie, it need to only sling Car body, car body drives centrepin 2, and centrepin 2 drives draw beam 3, and draw beam 3 passes through vertical backstop 31 Framework 1 is held up, after accident vehicle is overstepped the limit, is easy to overall with car body lifting rerail.In order to save material Material, can be designed as boss structure by vertical backstop 31, the agent structure for making it protrude from draw beam 3, In order to be in contact with framework 1, boss structure is an entirety with draw beam 3.

In order to be used cooperatively with the vertical backstop 31 on draw beam 3, bearing 11 is provided with framework 1, As shown in Figure 2 and Figure 3, bearing 11 is welded on the beam pipe 12 of framework 1.For more preferable stress, Weld seam between bearing 11 and beam pipe 1 is consistent with Impact direction, so, in bearing 11 by edge During active force in bead direction, the bearing capacity of weld seam is stronger.

In addition, adjust pad 13 is provided between vertical opposite face in draw beam 3 and framework 1, to ensure Constant distance between compartment and track, here the particular number and thickness to adjust pad 13 do not do specific limit It is fixed.Specifically, as shown in figure 8, wherein, Fig. 8 is that wheel adjust pad uses schematic diagram.Work as wheel Bogie height reduction L1 when wear extent is L1, can in order to ensure the constant distance of car body and interorbital Range difference is eliminated to increase pad at the support of bogie and car body, while adjust pad 13 is withdrawn from, Dismantle adjust pad gross thickness L2, here, L1=L2.So so that centrepin 2 is lifted together with car body Height, the distance of centrepin 2 and interorbital just can keep constant, ensure that L's is constant.Compartment and platform Difference in height it is invariable, facilitate passenger getting on/off.

Here, adjust pad 13 can be the sheet material of multiple different-thickness, according to the specific thickness of wheel wear Degree, eliminates difference, specifically, can be by adjust pad 13 to withdraw from the adjust pad 13 of respective thickness It is arranged between vertical backstop 31 and bearing 11, naturally it is also possible to which adjust pad 13 is arranged on any energy The position of enough connecting elements 1 and draw beam 3.

In order to avoid adjust pad 13 comes off, it can be removably fixedly installed on by branch by connector On seat 11, certainly, the need for meeting reality, the dismountable fixation of adjust pad 13 can be set Put in the vertical backstop 31 of other positions of framework 1 also or in the other positions of draw beam 3, The setting of adjust pad 13, as long as disclosure satisfy that the demand, is not particularly limited herein, above-mentioned Connector can be bolt, screw, buckle etc., as long as can be removably fixed equal by adjust pad 13 Can.

As shown in figs. 4-7, wherein, pin and the assembling schematic diagram of draw beam centered on Fig. 4；Fig. 5 is Fig. 4 Sectional view；Fig. 6 is the sectional view of draw beam；Fig. 7 is lateral damper scheme of installation.

It should be noted that lateral damper bearing 32 and the radially projecting of vertical backstop 31 are misaligned, To ensure the reasonability of operating space, each component is operationally waited and do not produce interference mutually.

In addition, cutting ferrule 33 is internally provided with draw beam 3, specifically, the inside of cutting ferrule 33 is upper Thin bellmouth under slightly, accordingly, the position that centrepin 2 is adapted with the cutting ferrule 33 of draw beam 3 are upper Thin pyramidal structure under slightly.It is so designed that, when being assembled, facilitates centrepin 2 to import traction The inside of beam 3, moreover, so, the combination of centrepin 2 and draw beam 3 is even closer so that More smooth is transmitted to the tractive force of centrepin 2 by draw beam 3.

Here, the noun of locality used herein is defined on the basis of Fig. 5, and Fig. 5 top is " on ", its " on " relative direction for " under ", it will be appreciated that the use of the above-mentioned noun of locality for The protection domain that this programme is limited is not construed as limiting.

Elastic device 8 is provided between centrepin 2 and draw beam 3, specifically, elastic device 8 is arranged on Between cutting ferrule 33 and draw beam 3, the inside of elastic device 8 has center cavity 81, the setting of center cavity 81 Elastic device 8 can be allowed to deform energy-absorbing in load impacting to a greater extent.Centrepin 2 also can be more steady Receive the power that draw beam 3 is transmitted, in this way, to be delivered to the power of car body also more steady for centrepin 2, The ride quality of passenger is also greatly improved.Here center cavity 81 can be in elastic device 8 Inside, can also be identical with ambient atmosphere, and specific design form can be adjusted according to actual needs, It is not particularly limited herein.

Herein, concrete restriction is not done to elastic device 8, its both can be rubber or spring, As long as buffering energy-absorbing function can be played.

After centrepin 2 and draw beam 3 are assembled, capping 4 is set in the bottom of draw beam 3, capping 4 is led to Cross bolt 7 to fix with the cutting ferrule 33 inside draw beam 3, fastener is passed through between centrepin 2 and capping 4 6 fix.When train needs lifting, car parts only need to be lifted by crane, centrepin 2 passes through fastener 6 Capping 4 is driven to take up draw beam 3 and bogie together.Here fastener 6 can be bolt, screw, Stud etc., as long as centrepin 2 can link together with capping 4.

As shown in figs. 9-10, wherein Fig. 9 illustrates for the installation relation blast of backstop, centrepin and stringer Figure；Figure 10 is the exploded perspective view of backstop.

Wherein, the backstop includes base 101, transverse gear 102, center key seat 105 and elastomer 104, Base 101 is fixedly installed on the stringer 111 of framework 1, and the external periphery outline of base 101 is without departing from institute The external periphery outline of stringer 111 is stated, is so designed, the installation that will not be blocked around stringer 111 is empty Between, also it is more convenient in installation process, at the same time, the mistake that the load of bogie is transmitted to centrepin 2 Cheng Zhong, is to be transmitted by the stringer 111 of framework 1, evenly, transverse gear 102 will not edge for dynamics The faceted pebble of stringer 111 produces upset, and this design is more stablized, and base 101 is not in bending Phenomenon.

Transverse gear 102 is fixedly connected with base 101, and baffle plate 1021 is provided with transverse gear 102, only Muscle 1022 is provided with baffle plate 1021, center key seat 105 is fixedly installed on centrepin 2, and and backstop Plate 1021 is oppositely arranged, and elastomer 104 is arranged between transverse gear 102 and center key seat 105.So Design, when the very fast hour wheel of speed is to driving to the more anxious curve of bent angle, by inertia force influence, framework 1 Between car body especially between draw beam 3 and centrepin 2 certainly will also can by larger impulsive force, on The base 101 on framework 1 that the shock loading that bogie can be transmitted by stating design passes through bogie is transmitted It will be rushed onto transverse gear 102, then by the elastomer 104 between transverse gear 102 and center key seat 105 Hit load absorption.

Certainly, centrepin 2 be relative to the transverse movement distance of framework 1 it is limited, elastomer 104 Coefficient of dilatation is also limited, when inertia force is huge, is not enough to be absorbed by elastic 104 body, The baffle plate 1021 set on transverse gear 102 is contacted with center key seat 105, limits the transverse direction of centrepin 2 Motion, to prevent car body excessive relative to the transverse movement of bogie.By elastic 104 body energy-absorbing and Limitation of the transverse gear 102 to the transverse movement distance of centrepin 2 so that the passenger in compartment shakes dynamic mitigation, Improve the ride quality of passenger.

Muscle 1022 is provided with baffle plate 1021, to prevent the shock loading of bogie from crossing senior general's baffle plate 1021 fracture, and can bear that load is bigger, resist stronger lateral impact forces.Base 101 and horizontal stroke Connect, and be fixed on framework 1 to gear 102, the transverse movement distance of centrepin 2 is limited, Prevent from acutely bringing uncomfortable sensation to passenger because car body is rocked.

In addition, being provided with gap trimmer 103 between transverse gear 102 and base 1041.So inciting somebody to action Transverse gear 102 can be by increasing or reducing when being installed on the base 1041 of bogie frame 1 The quantity of gap trimmer 103 adjusts the gap between transverse gear 102 and base 101, i.e., can adjust Distance on transverse gear 102 between baffle plate 1021 and center key seat 105, the regulation of distance can allow elasticity The energy-absorbing of body 104 is more reasonable, and the transverse movement of centrepin 2 is apart from more controllable.

It is another, there is downward gap a on gap trimmer 103, pad gap a setting facilitates behaviour Make the dismounting of personnel, when need to adjust between transverse gear and base apart from when, without by transverse gear 102 Pull down, only gap trimmer 103 need to be filled in gap from above, the gap a allowed on gap trimmer 103 On connector between embedded transverse gear 102 and base 101, so, installation and inspection are not only facilitated Repair, additionally it is possible to prevent gap from adjusting 103 and being dropped in train travelling process.

Here, the particular number of adjust pad 103, thickness, material and shape are not particularly limited, As long as the need for disclosure satisfy that filling gap.

In addition, elastomer 104 is fixedly installed on 102 on transverse gear, specifically, elastomer 104 has There is seat board 1041, seat board 1041 is arranged on transverse gear 102, is so designed that and is easy to tearing open for elastomer 104 Dress, at the same time, the elastic part of elastomer 104 can be rubber or spring, herein to elasticity The concrete form of body is not specifically limited, as long as can play a part of vibration damping and energy-absorbing.Elastomer Elastic part can be combined by vulcanization with seat board 1041, naturally it is also possible to by being bonded, being spirally connected or extrude.

The distance between baffle plate 1021 and center key seat 105 alterable, with car body and bogie support The distance between relative motion baffle plate 1021 and center key seat 105 also at any time in change, elasticity certainly The profile of body 104 is also constantly in change.

Base 101 is fixedly installed on the stringer 111 of bogie frame 1, specifically on stringer Position can be defined according to installation matching relationship of the practical center pin 2 on framework 1.On base 101 Two tie points that are connected with transverse gear 102 are provided with, so dismounting more facilitates, later maintenance maintenance Also the time is more saved.

It should be noted that baffle plate 1021 is symmetrical arranged on transverse gear 102, elastomer 104 is set In the middle of baffle plate 1021.Arrangement form of the baffle plate 1021 on transverse gear 102 can allow centrepin 2 The transmission of the power more balanced and reasonable between transverse gear 102, can not only ensure the service life of each contact, More the energy absorption of elastomer 104 can be allowed more, so, the vibration for being delivered to compartment is just smaller, take and relax Adaptive can be lifted well.

In addition to foregoing backstop, present embodiment also provides a kind of bogie, including centrepin and framework, in Foregoing backstop is used between heart pin and framework.It should be noted that the main part of the bogie is non- It where the central inventive point of the application, and can be realized, therefore repeated no more herein using prior art.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use The present invention.A variety of modifications to these embodiments will be aobvious and easy for those skilled in the art See, generic principles defined herein can without departing from the spirit or scope of the present invention, Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, And it is to fit to the most wide scope consistent with features of novelty with principles disclosed herein.

Claims (10)

1. a kind of backstop, for being arranged between the framework of bogie and centrepin, it is characterised in that including：

On base, the stringer for being fixedly installed on the framework, the base external periphery outline is without departing from institute State the external periphery outline of stringer；

Transverse gear, is fixedly connected with the base, and baffle plate is provided with the transverse gear；

Center key seat, is fixedly installed on the centrepin, and is oppositely arranged with the baffle plate；

Elastomer, is arranged between the transverse gear and the center key seat.

2. backstop backstop according to claim 1, it is characterised in that：It is provided with the baffle plate Muscle.

3. backstop according to claim 2, it is characterised in that：The elastomer is fixedly installed on institute State on transverse gear.

4. backstop according to claim 3, it is characterised in that：In the transverse gear and the base Between be provided with gap trimmer.

5. backstop according to any one of claim 1 to 4, it is characterised in that：The elastomer With seat board.

6. backstop according to claim 5, it is characterised in that：The seat board is arranged on the transverse direction Block.

7. backstop according to claim 6, it is characterised in that：The baffle plate and the centrepin The distance between seat alterable.

8. backstop according to claim 7, it is characterised in that：Have on the gap trimmer downwards Gap.

9. backstop according to claim 8, it is characterised in that：The baffle plate is in the transverse gear On be symmetrical arranged, the elastomer is arranged in the middle of the baffle plate.

10. a kind of bogie, including centrepin and framework, it is characterised in that：The centrepin and framework Between use backstop as claimed in any one of claims 1-9 wherein.