CN105539489B - The low floor vehicle elastic hinge joint device of adjustable stiffness and its method for adjusting rigidity - Google Patents
The low floor vehicle elastic hinge joint device of adjustable stiffness and its method for adjusting rigidity Download PDFInfo
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- CN105539489B CN105539489B CN201410595402.0A CN201410595402A CN105539489B CN 105539489 B CN105539489 B CN 105539489B CN 201410595402 A CN201410595402 A CN 201410595402A CN 105539489 B CN105539489 B CN 105539489B
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Abstract
The invention discloses a kind of low floor vehicle elastic hinge joint device of adjustable stiffness and its method for adjusting rigidity, low floor vehicle elastic hinge joint device includes centrepin, the secondary and rigid gib head in ball pivot joint, centrepin links into an integrated entity with rigid gib head, and it also includes intermediate plate, preceding bearing and rear support, rubber body one and rubber body two, rubber backstop one and rubber backstop two, horizontal block one and horizontal block two；Preceding bearing and rear support are respectively positioned between rubber body one and rubber body two, rubber in rubber body one and rubber body two is to be in laterally and towards the pre-stretching away from preceding bearing and rear support direction, ball pivot joint is secondary to be connected as one with preceding bearing, the external diameter of ball pivot joint pair internal diameter and centrepin matches, secondary so that rigid gib head and preceding bearing are connected through ball pivot joint by centrepin.The present invention can meet the requirement of the small radius of curvature of city rail while train operation comfortableness is improved and can guarantee that driving safety.
Description
Technical field
The present invention relates to a kind of low-floor light rail vehicle hinge member and its method of work, more particularly to a kind of adjustable stiffness
Low floor vehicle elastic hinge joint device and its adjust rigidity method, belong to rail transit train technical field.
Background technology
At present, with the increase of urban passenger flow amount, low-floor light rail train more piece is hung and make-up type is flexible and changeable
Into inexorable trend, and the floor of low-floor light rail train is nearer away from rail level, without traditional hitch installing space, and city
The characteristics of track traffic route has radius of curvature small with ramp urgency inside city, is badly in need of a kind of suitable low-floor track train and connects
Suspension mechanism meets above-mentioned requirements.
It is general between the underbody of existing low-floor train adjacent compartment to use one between fixed hinge device, the roof of adjacent compartment
As the translation in three directions is limited using elastic hinge device, wherein the fixation hinge device of underbody, it is allowed to three directions rotate, and bear
The vertical force of train, transmits adjacent train most longitudinal traction（Current of traffic）And cross force；Institute between roof
Allow adjacent train spaced winding vertical axis to rotate using elastic hinge joint device, longitudinal direction is provided and horizontal by device inner rubber part
To rigidity, it bears the part longitudinal traction of train by coordinating underbody to fix articulated mounting, limits between adjacent car body
Sidewinder and nod motion, make to only exist the relative free degree shaken the head between adjacent train, meet the small radius of curvature track in city will
Ask, while crossing steep gradient requirement to meet train, free articulated device generation is used between the adjacent train roof every certain joint number
For elastic hinge device.
But, existing elastic hinge device can not according to the road conditions of city rail come adjust automatically its own rigidity and nothing
Method provides safety guarantee when train crosses hairpin curve, thus its can not preferably be applied to city rail and its leave safety it is hidden
Suffer from.
To sum up, how to design it is a kind of can be according to the road conditions of city rail come the low-floor track column of adjust automatically stiffness by itself
Car roof elastic hinge joint device and its method for adjusting stiffness by itself so that roof can be preferably applicable with elastic hinge joint device
In city rail, it is set to meet the small curvature of city rail while transmission is to tractive force and raising train operation comfortableness
Radius requirement and ensure that in the safety that train crosses the hairpin curve of larger radius of curvature be urgent problem.
Authorization Notice No. is CN201442584U, and authorized announcement date is the Chinese utility model patent on April 28th, 2010
Disclose a kind of urban low-floor track train and be hinged and use elastic hinge joint device, centrepin is fixed as one with rigid gib head, bullet
Property joint is secondary is fixed as one with elastic gib head, ball pivot joint its external diameter of pair is engaged with the endoporus of elastic joint pair, its internal diameter
It is engaged with the external diameter of centrepin.
Elastic hinge joint device in above-mentioned patent document can not be according to the road conditions of city rail come adjust automatically stiffness by itself
And safety guarantee is provided when hairpin curve can not be crossed for train, so above-mentioned elastic hinge joint device can not also solve above-mentioned technology and ask
Topic.
The content of the invention
The technical problems to be solved by the invention are that there is provided a kind of adjustable stiffness for defect present in prior art
Low floor vehicle elastic hinge joint device and its adjust rigidity method, it can be according to the road conditions of city rail come adjust automatically itself
Rigidity so that it can preferably be applied to city rail, it is transmission is to tractive force and improves the same of train operation comfortableness
When can also meet the requirement of the small radius of curvature of city rail and can guarantee that the safety when train is by larger radius of curvature hairpin curve.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of low floor vehicle of adjustable stiffness
Elastic hinge joint device, including centrepin, ball pivot joint pair and the rigid gib head being fixedly installed on a section compartment, the centrepin
Be fixedly connected into one with rigid gib head, the low floor vehicle elastic hinge joint device also include intermediate plate, be separately positioned on it is described
Preceding bearing and rear support on intermediate plate opposite sides face, by being connected with the intermediate plate opposite sides face so as in will be described
Between the rubber body one that gets up of plate flying shore and rubber body two, be arranged on the opposite sides face of the rear support
Rubber backstop one and rubber backstop two, it is engaged and is respectively fixedly disposed at described with the rubber backstop one and rubber backstop two
Horizontal block one and horizontal block two on rubber body one and rubber body two；The preceding bearing and rear support are respectively positioned on
Rubber in position between the rubber body one and rubber body two, the rubber body one and rubber body two
Glue be in laterally and towards away from preceding bearing and the rear support direction pretensioned state, the He of rubber backstop one
Gap is left between horizontal block one, gap, the rubber are also left between the rubber backstop two and horizontal block two
Body one and rubber body two are fixedly connected with other one section compartment, and the ball pivot joint is secondary to be fixedly connected as one with preceding bearing
Body, the external diameter of the ball pivot joint secondary internal diameter and the centrepin matches, and the ball pivot joint is passed through by the centrepin
Pair is so that the rigid gib head and preceding bearing are connected.
It is preferred that, the rubber body one and rubber body two include preceding rubber body, rear rubber body,
Overhead gage and lower baffle plate；The preceding rubber body includes front supports bottom plate, front supports top plate and is arranged on the preceding branch
Preceding elastic rubbery body between support body bottom plate and front supports top plate, the rear rubber body include rear supports bottom plate, after
Supporter top plate and the rear elastic rubbery body being arranged between the rear supports bottom plate and rear supports top plate；The rubber branch
Overhead gage, the lower baffle plate of rubber body one, the front supports bottom plate and rubber body one of rubber body one of support body one
Rear supports bottom plate connect into quadra structure, the overhead gage of the rubber body two, the lower block of rubber body two
The rear supports bottom plate of plate, the front supports bottom plate of rubber body two and rubber body two also connects into quadra knot
Structure, by the rear supports top plate of the front supports top plate of the rubber body one and rubber body one respectively with it is described in
Between plate opposite sides face connection and pass through the rubber body two front supports top plate and rubber body two after
Supporter top plate is connected with the opposite sides face of the intermediate plate so as to by the intermediate plate flying shore respectively；The rubber
The forward and backward elastic rubbery body of the forward and backward elastic rubbery body of glue supporter one and the rubber body two is in laterally
And towards away from preceding bearing and the rear support direction pretensioned state.
It is preferred that, in the rear supports top plate with the front supports top plate and rubber body one of the rubber body one
On the opposite sides face for the intermediate plate being connected and in the front supports top plate and rubber with the rubber body two
Limited impression, the rubber are provided with the opposite sides face for the intermediate plate that the rear supports top plate of supporter two is connected
The front supports top plate of glue supporter one, the rear supports top plate of rubber body one, the front supports top of rubber body two
The rear supports top plate of plate and rubber body two matches with the limited impression, before the rubber body one
Supporter top plate, the rear supports top plate of rubber body one, the front supports top plate and rubber body of rubber body two
Two rear supports top plate is respectively clamped into front supports top plate, the rubber for causing the rubber body one in the limited impression
The rear supports top plate of the rear supports top plate of supporter one, the front supports top plate of rubber body two and rubber body two
It is connected respectively with the opposite sides face of the intermediate plate so as to by the intermediate plate flying shore.
It is preferred that, the preceding elastic rubbery body of the rubber body one, rear elastic rubbery body, the rubber of rubber body one
The preceding elastic rubbery body of supporter two and the rear elastic rubbery body of rubber body two are in longitudinal its pre-compressed state.
It is preferred that, the preceding elastic rubbery body of the rubber body one, rear elastic rubbery body, the rubber of rubber body one
Dividing plate is provided with the preceding elastic rubbery body of supporter two and the rear elastic rubbery body of rubber body two.
It is preferred that, on the top and bottom of the intermediate plate and with the rubber body one and rubber body two
The corresponding position of upper and lower baffle plate is provided with friction plate.
It is preferred that, the rubber backstop one and rubber backstop two include backstop bottom plate, are arranged on the backstop bottom plate
Backstop projection and the backstop rubber that is arranged on the backstop bottom plate and wraps the backstop projection；Pass through the rubber
The sidepiece of the backstop bottom plate and rear support of backstop one and rubber backstop two is connected two points of the rubber backstop one and rubber backstop
It is not connected on the opposite sides face of the rear support.
Rigidity is adjusted invention additionally discloses a kind of low floor vehicle elastic hinge joint device of adjustable stiffness as described above
Method, the rigidity of the floor car elastic hinge joint device is to pass through rectilinear orbit, small radius of curvature track or Daqu according to train
The city rail road conditions of rate radius track carry out adjust automatically, i.e.,：
It is place by the rubber in the rubber body one and rubber body two when train passes through rectilinear orbit
In in laterally and towards the pretensioned state away from preceding bearing and the rear support direction so that low floor vehicle elastic hinge joint dress
Put larger in the firm incipient stage rigidity of lateral displacement, so that yaw horizontal when ensureing train linear running is small to improve operation
Comfortableness；
When train passes through small radius of curvature track, by the intermediate plate relative to rubber body one and rubber
Body two is moved, and it is in horizontal and towards the side of rubber body one or the movement of the side of rubber body two that its moving direction, which is,
So that the amount of tension of the rubber of the rubber body moved towards this side further increases, and the rubber body of other side
The amount of tension of rubber be gradually reduced so that after section shifting so that the transverse direction of the low floor vehicle elastic hinge joint device
Rigidity diminishes, it is ensured that train meets the requirement by small radius of curvature track；
When train passes through larger radius of curvature track, continued by the intermediate plate towards the side of rubber body one or
The side movement of rubber body two, so as to drive the rubber backstop one being arranged on the intermediate plate or the direction of rubber backstop two
Horizontal block two on the horizontal block one or rubber body two of the rubber body one move and with the rubber
The low floor vehicle elastic hinge joint dress is realized in horizontal block two-phase contact on the horizontal block one or rubber body two of body one
The horizontal variation rigidity put, it is ensured that rollover event will not occur when train crosses hairpin curve.
It is preferred that, the preceding elastic rubbery body of the rubber body one, rear elastic rubbery body, the rubber of rubber body one
Dividing plate is provided with the preceding elastic rubbery body of supporter two and the rear elastic rubbery body of rubber body two；
By setting the forward and backward of the number of plies and/or the adjustment rubber body one of the dividing plate and rubber body two
The rubber parameter of elastic rubbery body meets the design requirement of different longitudinal rigidities.
It is preferred that, the preceding elastic rubbery body of the rubber body one, rear elastic rubbery body, the rubber of rubber body one
The preceding elastic rubbery body of supporter two and the rear elastic rubbery body of rubber body two are in longitudinal its pre-compressed state.
The beneficial effects of the present invention are：The present invention can according to the road conditions of city rail come the rigidity of adjust automatically itself,
So as to which it can preferably be applied to city rail, it can also expire while transmission is to tractive force and raising train operation comfortableness
The sufficient small curvature radius requirement of city rail, and it occurs side when preventing train by larger radius of curvature hairpin curve by variation rigidity
Turn over accident, it is ensured that the driving safety of train；Low floor vehicle elastic hinge joint apparatus structure in the present invention is simple, and each the zero of device
Part convenient disassembly, it is safe and reliable to operation, it is easy to maintenance, efficiently solve urban low-floor track traffic more piece low-floor train
The problem of connection marshalling；Preceding elastic rubbery body and rear elastic rubbery body in the low floor vehicle elastic hinge joint device of the present invention are all provided with
Longitudinal pre compressed magnitude is equipped with, makes the present apparatus in train travelling process, forward and backward elastic rubbery body is solely subjected to compression, meets
Use requirement, substantially increases the service life of forward and backward elastic rubbery body；In the low floor vehicle elastic hinge joint device of the present invention
Can be by setting the dividing plate and/or adjustment rubber parameter of the different numbers of plies to meet not in preceding elastic rubbery body and rear elastic rubbery body
With the design requirement of longitudinal rigidity.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention 1 in low floor vehicle elastic hinge joint device local mounting structure schematic diagram；
Fig. 2 be the embodiment of the present invention 1 in low floor vehicle elastic hinge joint device sectional perspective structural representation；
Fig. 3 be the embodiment of the present invention 1 in low floor vehicle elastic hinge joint device operation principle structural representation；
Fig. 4 be Fig. 2 in rubber body one configuration schematic diagram；
Fig. 5 be Fig. 2 in rubber body two configuration schematic diagram；
Fig. 6 is to install the overlooking the structure diagram of the intermediate plate after forward and backward bearing in the embodiment of the present invention 1；
Fig. 7 be Fig. 6 in along A to structural representation；
Fig. 8 is longitudinal cross section structure diagram of rubber backstop one and rubber backstop two in the embodiment of the present invention 1；
Fig. 9 is that the progress lateral stiffness experiment to the low floor vehicle elastic hinge joint device in the embodiment of the present invention 1 is obtained
Lateral stiffness curve map；
Figure 10 be the embodiment of the present invention 2 in rubber body one configuration schematic diagram；
Figure 11 be the embodiment of the present invention 2 in rubber body two configuration schematic diagram；
Figure 12 be the embodiment of the present invention 2 in low floor vehicle elastic hinge joint device operation principle structural representation；
In figure：1. centrepin, 2. ball pivot joint pairs, 3. rigid gib heads, 4. intermediate plates, bearing before 5. is propped up after 6.
Seat, 7. rubber bodies one, 8. rubber bodies two, 9. rubber backstops one, 10. rubber backstops two, 11. horizontal blocks
Rubber body, 131. front supports bottom plates, 132. front supports top plates, 133. before one, the 12. horizontal .13. of block two
Preceding elastic rubbery body, rubber body after 14., 141. rear supports bottom plates, 142. rear supports top plates, elasticity after 143.
Rubber bodies, 15. overhead gages, 16. lower baffle plates, 17. limited impressions, 18. horizontal raised lines one, 19. horizontal raised lines two, 20.
Vertical raised line, 21. friction plates, 22. backstop bottom plates, 23. backstop projections, 24. backstop rubber, 25. dividing plates.
Embodiment
Further details of explaination is done to technical scheme with specific embodiment below in conjunction with the accompanying drawings.
After longitudinal direction in the present invention refers to that low floor vehicle elastic hinge joint device is installed, along the length direction in compartment；Laterally
After referring to that low floor vehicle elastic hinge joint device is installed, along the cross direction in compartment.
Embodiment 1：As shown in Figure 1 to Figure 3, a kind of low floor vehicle elastic hinge joint device of adjustable stiffness, including center
Pin 1, ball pivot joint pair 2 and the rigid gib head 3 being fixedly installed on a section compartment, the centrepin 1 is fixed with rigid gib head 3 to be connected
One is connected into, low floor vehicle elastic hinge joint device also includes intermediate plate 4, is separately positioned on the opposite sides face of intermediate plate 4
Preceding bearing 5 and rear support 6, the preceding bearing 5, rear support 6 and intermediate plate 4 by M16 bolt connections it is integral, by with institute
The rubber body 1 and rubber for stating the connection of the opposite sides face of intermediate plate 4 flying shore of intermediate plate 4 gets up
Body 28, the rubber backstop 1 being arranged on the opposite sides face of the rear support 6 and rubber backstop 2 10, stop with the rubber
Keep off 1 and rubber backstop 2 10 be engaged and be respectively fixedly disposed on the rubber body 1 and rubber body 28
Horizontal block 1 and horizontal block 2 12；The preceding bearing 5 and rear support 6 are respectively positioned on along along the length direction of intermediate plate 4
And positioned at the position between the rubber body 1 and rubber body 28, the rubber body 1 and rubber
Rubber in body 28 is in laterally and towards the pretensioned state away from preceding bearing 5 and rear support 6 direction, institute
State and gap is left between rubber backstop 1 and horizontal block 1, between the rubber backstop 2 10 and horizontal block 2 12
Gap is left, the rubber body 1 and rubber body 28 are fixedly connected by bolt with other one section compartment, described
Ball pivot joint pair 2 is connected to one with preceding bearing 5, the external diameter phase of the ball pivot joint secondary 2 internal diameters and the centrepin 1
Match somebody with somebody, by the centrepin 1 through ball pivot joint pair 2 so that the rigid gib head 3 and preceding bearing 5 have been connected
Come.Lateral stiffness is designed as variation rigidity, in present apparatus entrucking, according to design requirement, rubber body 1 and rubber body
Rubber in 28 carries out certain pre-stretching L to two ends respectively1, in this case, distance is between rubber backstop and horizontal block
L2, according to the characteristic of rubber creep and experiment experience, the present apparatus is larger in the firm incipient stage rigidity of lateral displacement, makes train straight
The horizontal yaw small comfortableness to improve operation when line is run, then lateral stiffness diminishes after section shifting, expires train
Foot is by the requirement of small radius of curvature track, and when rubber backstop to horizontal block with contacting, rigidity drastically becomes big, prevents train
Occurs rollover event when crossing bend.
As shown in Figures 2 to 5, the rubber body 1 and rubber body 28 include preceding rubber body 13,
Rubber body 14, overhead gage 15 and lower baffle plate 16 afterwards；The preceding rubber body 13 includes front supports bottom plate 131, preceding branch
The preceding elastic rubbery body 133 of support body top plate 132 and vulcanization between the front supports bottom plate 131 and front supports top plate 132,
The rear rubber body 14 includes rear supports bottom plate 141, rear supports top plate 142 and vulcanizes supporter bottom plate in the rear
Rear elastic rubbery body 143 between 141 and rear supports top plate 142；The overhead gage 15 of the rubber body 1, rubber branch
The rear supports bottom plate of the lower baffle plate 16 of support body 1, the front supports bottom plate 131 of rubber body 1 and rubber body 1
141 by M12 bolt connection squarely frame structures, the overhead gage 15 of the rubber body 28, rubber body 28
The rear supports bottom plate 141 of lower baffle plate 16, the front supports bottom plate 131 of rubber body 28 and rubber body 28 passes through
M12 bolts also connect into quadra structure, pass through the front supports top plate 132 and rubber of the rubber body 1
The rear supports top plate 142 of body 1 is connected with the opposite sides face of the intermediate plate 4 and by the rubber body respectively
28 front supports top plate 132 and the rear supports top plate 142 of rubber body 28 are respectively with the intermediate plate 4 with respect to two
Side connection is so as to which the flying shore of intermediate plate 4 be got up, and now preceding bearing 5 and rear support 6 are also suspended supporting together
Come；The preceding elastic rubbery body 133 and rear elastic rubbery body 143 of the rubber body 1 and the rubber body 28
Preceding elastic rubbery body 133 and rear elastic rubbery body 143 are in laterally and towards away from preceding bearing 5 and rear support 6 direction
Pretensioned state, i.e., assembling the present embodiment before, first will be close to the preceding elastic caoutchouc of the rubber body 1 of intermediate plate 4
One end of body 133 and close to intermediate plate 4 rubber body 1 rear elastic rubbery body 143 one end in laterally and towards remote
Forward and backward elastic rubbery body in the preceding bearing and the pre-stretching in rear support direction, rubber body 28 is close to intermediate plate 4
One end will be also pre-stretched as the forward and backward elastic rubbery body in rubber body 1, after assembling, the He of rubber body 28
Forward and backward elastic rubbery body in rubber body 1 is in the opposite horizontal V-type of a pair of directions.The horizontal block 1 and transverse direction
Block 2 12 is bolted the rear branch of the rear supports bottom plate 141 and rubber body 28 in rubber body 1 respectively
On support body bottom plate 141.As shown in figure 3, after whole device is installed between compartment, rubber body 1 and rubber body
28 forward and backward elastic rubbery body is in above-mentioned pretensioned state, according to the characteristic of rubber creep and experiment experience, makes
The present apparatus is larger in the firm incipient stage rigidity of lateral displacement, horizontal yaw is small to improve operation when making train linear running
Comfortableness；When train is by small radius of curvature track, intermediate plate 4 can be relative to rubber body 1 and rubber body 28
Move, its moving direction is in transverse direction and moved towards the side of rubber body 1 or the side of rubber body 28, by
It is, relative to rubber body 1 and the movement of rubber body 28, to be moved so working as intermediate plate 7 toward side in intermediate plate 4
When, the amount of tension positioned at the forward and backward elastic rubbery body of the rubber body of this side further increases, and another rubber branch
The amount of tension of the forward and backward elastic rubbery body of support body is then gradually reduced, so that after section shifting, the overall horizontal stroke of the present apparatus
Diminish to rigidity, train is met the requirement by small radius of curvature track；In the moving process of above-mentioned intermediate plate 4, set
The rubber backstop of side is moved with intermediate plate 4 together on intermediate plate 4, so that being arranged on the rubber of side on intermediate plate 4
Gap between glue backstop and the horizontal block being arranged on the rubber body of side is gradually reduced, when train passes through deep camber half
During the track of footpath, intermediate plate 4 may proceed to towards the side of rubber body one or the movement of the side of rubber body two, so that setting
Continue to contract in the gap that the rubber backstop of the side on intermediate plate 4 is put between the horizontal block that is arranged on the rubber body of side
It is small, until the horizontal block for being arranged on the rubber backstop of side on intermediate plate 4 with being arranged on the rubber body of side is in contact,
When rubber backstop to horizontal block with being in contact, the overall lateral stiffness of the present apparatus drastically becomes big, realizes variation rigidity, it is therefore prevented that
When crossing larger radius of curvature hairpin curve rollover event occurs for train, it is ensured that the driving safety of train.Assuming that preceding elastic rubbery body and
Elastic rubbery body lateral stiffness is K afterwards2, then lateral stiffness K of the present apparatus before rubber backstop and horizontal block contact is horizontal
≈4K2。
As shown in Figure 6 and Figure 7, in the front supports top plate 132 and rubber body 1 with the rubber body 1
The opposite sides face of the intermediate plate 4 that is connected of rear supports top plate 142 on and with the rubber body 28
The opposite sides for the intermediate plate 4 that front supports top plate 132 is connected with the rear supports top plate 142 of rubber body 28
Limited impression 17 is provided with face, the limited impression 17 directly can dig groove on the two sides of intermediate plate 4 and obtain,
Can be by obtaining raised line can be set up on the two sides of intermediate plate 4 as the present embodiment, as shown in Figure 6 and Figure 7,
The present embodiment is that horizontal raised line 1, horizontal raised line 2 19 and vertical raised line 20 are additionally arranged on the side of intermediate plate 4, passes through institute
State the sidepiece of horizontal raised line 1, horizontal raised line 2 19, vertical raised line 20 and preceding bearing 5 and by the horizontal raised line one
18th, the sidepiece of horizontal raised line 2 19, vertical raised line 20 and rear support 6 is surrounded before limited impression 17, the rubber body 1
Supporter top plate 132, the rear supports top plate 142 of rubber body 1, the and of front supports top plate 132 of rubber body 28
The rear supports top plate 142 of rubber body 28 matches with the limited impression 17, passes through the rubber body 1
Front supports top plate 132, the rear supports top plate 142 of rubber body 1, the front supports top plate of rubber body 28
132 and rubber body 28 rear supports top plate 142 be respectively clamped into the limited impression 17 cause the rubber body
One 7 front supports top plate 132, the rear supports top plate 142 of rubber body 1, the front supports top of rubber body 28
The rear supports top plate 142 of plate 132 and rubber body 28 is connected with the opposite sides face of the intermediate plate 4 so that will respectively
The flying shore of intermediate plate 4 gets up.Here, can also be directly with screw by rubber branch in order to which intermediate plate 4 is vacantly got up
The two sides of the back and front supporting body top plate and intermediate plate 4 of support body 1 and rubber body 28 are connected.
On the top and bottom of intermediate plate 4 and the position corresponding with the overhead gage 15 and lower baffle plate 16 is also distinguished
Friction plate 21 is provided with, in the present embodiment, friction plate 21 is provided with each setting on four, the top and bottom of intermediate plate 4 altogether
There is two panels, it is by screw locking on the top and bottom of intermediate plate 4.Friction plate 21 can be such that train is prevented in vertical vibration
Intermediate plate is directly contacted with overhead gage 15 and lower baffle plate 16, to reach the noise rubbed between reduction metal and improve metal parts
Fatigue life.
As shown in Figure 2 and Figure 8, the rubber backstop 1 and rubber backstop 2 10 include backstop bottom plate 22, are arranged on institute
State backstop projection 23 on backstop bottom plate 22 and be arranged on the backstop bottom plate 22 and wrap the backstop projection 23
Backstop rubber 24；Being connected by the backstop bottom plate 22 of the rubber backstop 1 and rubber backstop 2 10 with the sidepiece of rear support 6 will
The rubber backstop 1 and rubber backstop 2 10 are connected on the opposite sides face of the rear support 6.The backstop bottom plate
22 and backstop projection 23 be structure as a whole, it uses metal material, and backstop rubber 24 wraps backstop projection 23 and vulcanized in institute
State on backstop bottom plate 22, during installation, be connected backstop bottom plate 22 with the two sides of rear support 6 with bolt to stop the rubber
Keep off 1 and rubber backstop 2 10 be connected on the opposite sides face of the rear support 6.
Rigidity is adjusted invention additionally discloses a kind of low floor vehicle elastic hinge joint device of adjustable stiffness as described above
Method, i.e., the rigidity of described floor car elastic hinge joint device is by rectilinear orbit, small radius of curvature track or big according to train
The city rail road conditions of radius of curvature track carry out adjust automatically, i.e.,：
When train passes through rectilinear orbit, it is by the rubber in the rubber body 1 and rubber body 28
In in laterally and towards the pretensioned state away from preceding bearing 5 and rear support 6 direction so that low floor vehicle elasticity hinge
Connection device is larger in the firm incipient stage rigidity of lateral displacement, so that yaw horizontal when ensureing train linear running is small to improve fortune
Capable comfortableness；
When train passes through small radius of curvature track, by the intermediate plate 4 relative to rubber body 1 and rubber branch
Support body 28 is moved, and its moving direction is in laterally and towards the side of rubber body 1 or the side of rubber body 28
It is mobile so that the amount of tension of the rubber of the rubber body moved towards this side further increases, and the rubber of other side
The amount of tension of the rubber of supporter is gradually reduced, so that after section shifting so that the low floor vehicle elastic hinge joint device
Lateral stiffness diminish, it is ensured that train is met by the requirement of minor radius level curve；
When train passes through larger radius of curvature track, continue the side towards rubber body 1 by the intermediate plate 4
Or the side movement of rubber body 28, so as to drive the rubber backstop 1 or rubber backstop being arranged on the intermediate plate 4
2 10 towards on the horizontal block 1 or rubber body 28 of the rubber body 1 horizontal block 2 12 movement and
It is in contact with the horizontal block 2 12 on the horizontal block 1 or rubber body 28 of the rubber body 1 and realizes institute
State the horizontal variation rigidity of low floor vehicle elastic hinge joint device, it is ensured that rollover event will not occur when train crosses hairpin curve.
Fig. 9 is the lateral stiffness curve map that the present embodiment is obtained through overtesting, it can be seen in figure 9 that the low-floor
Car elastic hinge joint device is larger in the firm incipient stage rigidity of lateral displacement, so that yaw horizontal when ensureing train linear running is small
To improve the comfortableness of operation；When train passes through small radius of curvature track, the transverse direction of the low floor vehicle elastic hinge joint device
Rigidity diminishes, it is ensured that train meets the requirement by small radius of curvature track；When train passes through larger radius of curvature track, pass through
The horizontal variation rigidity of the low floor vehicle elastic hinge joint device, it is ensured that rollover event will not occur when train crosses hairpin curve.
When the present apparatus is assembled, first overhead gage 15, lower baffle plate 16, front supports bottom plate 131 and rear supports bottom plate 141 are led to
Cross the rubber body 1 and rubber body 28 of bolt connection squarely frame structure；By preceding bearing 5, rear support 6 and in
Between plate 4 be bolted integrally, on the top and bottom that friction plate 21 is connected to intermediate plate 4, constitute articulated mounting
Metal main truss；Pass through rubber body 1 and the front supports top plate 162 and rear supports top plate of rubber body 28 again
142 are engaged with the limited impression 17 on the two sides of intermediate plate 4, by metal main truss entirety and rubber body 1 and rubber
Glue supporter 28 links together and so that the preceding elastic rubbery body 133 and rear elastic rubbery body of the rubber body 1
143 and the preceding elastic rubbery body 133 and rear elastic rubbery body 143 of the rubber body 28 be in laterally and towards remote
From the pretensioned state in preceding bearing 5 and rear support 6 direction；Finally, horizontal block 1 and horizontal block 2 12 are distinguished
On the rear supports bottom plate 141 that rubber body 1 and rubber body 28 are installed to by bolt, by the He of rubber backstop 1
Rubber backstop 2 10 is installed in the opposite sides portion of rear support 6 by bolt respectively.
Embodiment 2：As shown in Figure 10 to Figure 12, compared with Example 1, difference is：The rubber body 1
Preceding elastic rubbery body 133, the rear elastic rubbery body 143 of rubber body 1, the preceding elastic rubbery body of rubber body 28
133 and the rear elastic rubbery body 143 of rubber body 28 be in longitudinal its pre-compressed state.Rubber body 1 and rubber
The forward and backward elastic rubbery body of supporter 28 carries out a certain amount of precommpression in assembling, makes the present apparatus in train travelling process
In, forward and backward elastic rubbery body is solely subjected to compression, meets use requirement, substantially increases the use of forward and backward elastic rubbery body
Life-span.Preceding elastic rubbery body and rear the elastic rubbery body single progress precommpression L in assembling3, it is assumed that preceding elastic rubbery body is with after
Longitudinal rigidity is K after elastic rubbery body assembling1, then the longitudinal rigidity K of the present apparatus indulges=4K1.When longitudinal rigidity is designed, need
Consider that longitudinal maximum displacement L in train travelling process is indulged, it is ensured that present apparatus maximum displacement L in train travelling process is vertical to be less than
L3, so as to ensure that preceding elastic rubbery body and rear elastic rubbery body are pressurized not tension all the time in train travelling process.
The preceding elastic rubbery body 133 of the rubber body 1, the rear elastic rubbery body 143 of rubber body 1, rubber
Dividing plate 25 is provided with the preceding elastic rubbery body 133 of glue supporter 28 and the rear elastic rubbery body 143 of rubber body 28.
The dividing plate 25 can be arranged to one or more layers, and the number of plies of setting is more, and the longitudinal rigidity of the present apparatus is bigger, so, this reality
The suitable number of plies of dividing plate 25 can be set according to actual longitudinal rigidity demand by applying example, meet the design need of different longitudinal rigidities
Ask.Here can also, by setting the rubber parameter of preceding elastic rubbery body 133 and rear elastic rubbery body 143 to meet difference
The design requirement of longitudinal rigidity.Here it is also possible that passing through the rubber of the preceding elastic rubbery body 133 of setting and rear elastic rubbery body 143
Glue parameter and the number of plies of setting dividing plate 25 are engaged to meet the design requirement of different longitudinal rigidities.In the present embodiment, every
Plate 25 is set to one layer.
To sum up, the present invention can be according to the road conditions of city rail come the rigidity of adjust automatically itself, so that it can preferably be fitted
For city rail, it can also meet the small curvature of city rail while transmission is to tractive force and raising train operation comfortableness
Radius requirement, and it occurs rollover event when preventing train by larger radius of curvature hairpin curve by variation rigidity, it is ensured that row
The driving safety of car；Low floor vehicle elastic hinge joint apparatus structure in the present invention is simple, each parts convenient disassembly of device, fortune
Row is safe and reliable, easy to maintenance, the problem of efficiently solving the connection marshalling of urban low-floor track traffic more piece low-floor train；
Preceding elastic rubbery body and rear elastic rubbery body in the low floor vehicle elastic hinge joint device of the present invention are provided with longitudinal precommpression
Amount, makes the present apparatus in train travelling process, forward and backward elastic rubbery body is solely subjected to compression, meets use requirement, carry significantly
The high service life of forward and backward elastic rubbery body；The present invention low floor vehicle elastic hinge joint device in preceding elastic rubbery body and
Afterwards can be by setting the dividing plate and/or adjustment rubber parameter of the different numbers of plies to meet setting for different longitudinal rigidities in elastic rubbery body
Meter demand.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member without departing from the spirit and scope of the present invention, can also make a variety of changes or convert, therefore all equivalent
Technical scheme should also belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.
Claims (10)
1. a kind of low floor vehicle elastic hinge joint device of adjustable stiffness, including centrepin, ball pivot joint is secondary and is fixedly installed on
Rigid gib head on one section compartment, the centrepin is fixedly connected into one with rigid gib head, it is characterised in that：The low-floor
Car elastic hinge joint device also include intermediate plate, the preceding bearing that is separately positioned on the intermediate plate opposite sides face and rear support,
By being connected with the intermediate plate opposite sides face so as to the rubber body one that the intermediate plate flying shore gets up and rubber
Glue supporter two, the rubber backstop one being arranged on the opposite sides face of the rear support and rubber backstop two and the rubber
The horizontal stroke that backstop one and rubber backstop two are engaged and is respectively fixedly disposed on the rubber body one and rubber body two
To block one and horizontal block two；The preceding bearing and rear support be respectively positioned on the rubber body one and rubber body two it
Between position, the rubber in the rubber body one and rubber body two is in laterally and towards away from propping up before described
The pretensioned state in seat and rear support direction, leave gap, the rubber between the rubber backstop one and horizontal block one
Also gap, the rubber body one and rubber body two and other one section compartment are left between backstop two and horizontal block two
It is fixedly connected, the ball pivot joint is secondary to be connected to one with preceding bearing, the secondary internal diameter in the ball pivot joint and the centrepin
External diameter match, connected by the centrepin through the ball pivot joint is secondary so as to which the rigid gib head and preceding bearing be coordinated
Pick up and.
2. the low floor vehicle elastic hinge joint device of adjustable stiffness according to claim 1, it is characterised in that：The rubber
Supporter one and rubber body two include preceding rubber body, rear rubber body, overhead gage and lower baffle plate；The preceding rubber
Glue supporter include front supports bottom plate, front supports top plate and be arranged on the front supports bottom plate and front supports top plate it
Between preceding elastic rubbery body, the rear rubber body include rear supports bottom plate, rear supports top plate and set in the rear
Rear elastic rubbery body between supporter bottom plate and rear supports top plate；The overhead gage of the rubber body one, rubber
The rear supports bottom plate connection squarely of the lower baffle plate of body one, the front supports bottom plate of rubber body one and rubber body one
Frame structure, overhead gage, the lower baffle plate of rubber body two, the front supports of rubber body two of the rubber body two
The rear supports bottom plate of bottom plate and rubber body two also connects into quadra structure, before the rubber body one
The rear supports top plate of supporter top plate and rubber body one is connected and logical with the opposite sides face of the intermediate plate respectively
Cross the rubber body two front supports top plate and rubber body two rear supports top plate respectively with the intermediate plate
The connection of opposite sides face so that the intermediate plate flying shore be got up；The forward and backward elastic caoutchouc of the rubber body one
The forward and backward elastic rubbery body of body and the rubber body two is in laterally and towards away from the preceding bearing and rear support
The pretensioned state in direction.
3. the low floor vehicle elastic hinge joint device of adjustable stiffness according to claim 2, it is characterised in that：With it is described
The phase for the intermediate plate that the front supports top plate of rubber body one is connected with the rear supports top plate of rubber body one
To on two sides and in the rear supports top plate with the front supports top plate and rubber body two of the rubber body two
Limited impression, the front supports top of the rubber body one are provided with the opposite sides face for the intermediate plate being connected
Plate, the rear supports top plate of rubber body one, the rear branch of the front supports top plate of rubber body two and rubber body two
Support body top plate matches with the limited impression, passes through the front supports top plate of the rubber body one, rubber body
The rear supports top plate of one rear supports top plate, the front supports top plate of rubber body two and rubber body two blocks respectively
Enter to cause in the limited impression front supports top plate, the rear supports top of rubber body one of the rubber body one
The phase of the rear supports top plate of plate, the front supports top plate of rubber body two and rubber body two respectively with the intermediate plate
Two sides are connected the intermediate plate flying shore gets up.
4. the low floor vehicle elastic hinge joint device of adjustable stiffness according to claim 2, it is characterised in that：The rubber
The preceding elastic rubbery body of supporter one, the rear elastic rubbery body of rubber body one, the preceding elastic rubbery body of rubber body two
It is in the rear elastic rubbery body of rubber body two in longitudinal its pre-compressed state.
5. the low floor vehicle elastic hinge joint device of adjustable stiffness according to claim 2, it is characterised in that：The rubber
The preceding elastic rubbery body of supporter one, the rear elastic rubbery body of rubber body one, the preceding elastic rubbery body of rubber body two
Dividing plate is provided with the rear elastic rubbery body of rubber body two.
6. the low floor vehicle elastic hinge joint device of adjustable stiffness according to claim 2, it is characterised in that：In described
Between plate top and bottom on and corresponding with the upper and lower baffle plate of the rubber body one and rubber body two position is equal
It is provided with friction plate.
7. the low floor vehicle elastic hinge joint dress of the adjustable stiffness according to any one claim in claim 1 to 6
Put, it is characterised in that：The rubber backstop one and rubber backstop two include backstop bottom plate, are arranged on the backstop bottom plate
Backstop projection and the backstop rubber for being arranged on the backstop bottom plate and wrapping the backstop projection；Stopped by the rubber
The rubber backstop one and rubber backstop two are distinguished in the sidepiece connection of the backstop bottom plate and rear support of gear one and rubber backstop two
It is connected on the opposite sides face of the rear support.
8. a kind of low floor vehicle elasticity hinge of adjustable stiffness according to any one claim in claim 1 to 7
The method that connection device adjusts rigidity, it is characterised in that：The rigidity of the floor car elastic hinge joint device is by straight according to train
The city rail road conditions of trajectory, small radius of curvature track or larger radius of curvature track carry out adjust automatically, i.e.,：
It is to be in be in by the rubber in the rubber body one and rubber body two when train passes through rectilinear orbit
Laterally and towards away from preceding bearing and the rear support direction pretensioned state so that the low floor vehicle elastic hinge joint device exists
The firm incipient stage rigidity of lateral displacement is larger, so that yaw horizontal when ensureing train linear running is small with the comfortable of raising operation
Property；
When train passes through small radius of curvature track, by the intermediate plate relative to rubber body one and rubber body two
Move, its moving direction is in transverse direction and moved towards the side of rubber body one or the side of rubber body two so that
The amount of tension of the rubber of the rubber body moved towards this side further increases, and the rubber of the rubber body of other side
The amount of tension of glue is gradually reduced, so that after section shifting so that the lateral stiffness of the low floor vehicle elastic hinge joint device
Diminish, it is ensured that train meets the requirement by small radius of curvature track；
When train passes through larger radius of curvature track, continued by the intermediate plate towards the side of rubber body one or rubber
The side movement of supporter two, so as to drive the rubber backstop one being arranged on the intermediate plate or rubber backstop two towards described
Horizontal block two on the horizontal block one or rubber body two of rubber body one move and with the rubber body one
Horizontal block one or rubber body two on horizontal block two-phase contact realize the low floor vehicle elastic hinge joint device
Horizontal variation rigidity, it is ensured that rollover event will not occur when train crosses hairpin curve.
9. the method that low floor vehicle elastic hinge joint device according to claim 8 adjusts rigidity, it is characterised in that：The rubber
The preceding elastic rubbery body of glue supporter one, the rear elastic rubbery body of rubber body one, the preceding elastic caoutchouc of rubber body two
Dividing plate is provided with the rear elastic rubbery body of body and rubber body two；
By setting the number of plies of the dividing plate and/or the forward and backward elasticity of the adjustment rubber body one and rubber body two
The rubber parameters of rubber bodies meets the design requirement of different longitudinal rigidities.
10. the method that low floor vehicle elastic hinge joint device according to claim 9 adjusts rigidity, it is characterised in that：It is described
The preceding elastic rubbery body of rubber body one, the rear elastic rubbery body of rubber body one, the preceding elastic rubber of rubber body two
The rear elastic rubbery body of colloid and rubber body two is in longitudinal its pre-compressed state.
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| CN201410595402.0A CN105539489B (en) | 2014-10-30 | 2014-10-30 | The low floor vehicle elastic hinge joint device of adjustable stiffness and its method for adjusting rigidity |
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| CN105539489B true CN105539489B (en) | 2017-08-25 |
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| CN110525143B (en) * | 2019-08-27 | 2021-03-23 | 中国北方车辆研究所 | Vehicle rigid-flexible coupling connection method and connection mechanism |
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| DE2444554A1 (en) * | 1974-09-18 | 1976-04-01 | Knorr Bremse Gmbh | Locking device for central drawgear railway coupler - has motor releasing springs holding swinging catches |
| US4706826A (en) * | 1985-04-22 | 1987-11-17 | Mcconway & Torley Corporation | Striker carrier having an adjustable wear plate for a railway coupler |
| CN201009892Y (en) * | 2006-12-06 | 2008-01-23 | 湘潭电机股份有限公司 | Lower hinge device in low floor light railway vehicle hinge |
| CN201442584U (en) * | 2009-06-30 | 2010-04-28 | 中国北车集团大连机车研究所有限公司 | Elastic hinging device for hinging urban low-floor railway vehicles |
| CN201442585U (en) * | 2009-06-30 | 2010-04-28 | 中国北车集团大连机车研究所有限公司 | Fixed hinging device for hinging urban low-floor railway vehicles |
| CN204150058U (en) * | 2014-10-30 | 2015-02-11 | 株洲时代新材料科技股份有限公司 | A kind of low floor vehicle elastic hinge joint device that automatically can adjust rigidity |
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2014
- 2014-10-30 CN CN201410595402.0A patent/CN105539489B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2444554A1 (en) * | 1974-09-18 | 1976-04-01 | Knorr Bremse Gmbh | Locking device for central drawgear railway coupler - has motor releasing springs holding swinging catches |
| US4706826A (en) * | 1985-04-22 | 1987-11-17 | Mcconway & Torley Corporation | Striker carrier having an adjustable wear plate for a railway coupler |
| CN201009892Y (en) * | 2006-12-06 | 2008-01-23 | 湘潭电机股份有限公司 | Lower hinge device in low floor light railway vehicle hinge |
| CN201442584U (en) * | 2009-06-30 | 2010-04-28 | 中国北车集团大连机车研究所有限公司 | Elastic hinging device for hinging urban low-floor railway vehicles |
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| CN204150058U (en) * | 2014-10-30 | 2015-02-11 | 株洲时代新材料科技股份有限公司 | A kind of low floor vehicle elastic hinge joint device that automatically can adjust rigidity |
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| CN105539489A (en) | 2016-05-04 |
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