CN109263679A - Low floor vehicle elastic hinge joint device and its design method - Google Patents
Low floor vehicle elastic hinge joint device and its design method Download PDFInfo
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- CN109263679A CN109263679A CN201811081217.4A CN201811081217A CN109263679A CN 109263679 A CN109263679 A CN 109263679A CN 201811081217 A CN201811081217 A CN 201811081217A CN 109263679 A CN109263679 A CN 109263679A
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- mounting base
- wear
- low floor
- floor vehicle
- hinge joint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Low floor vehicle elastic hinge joint device and its design method, rear mounting base including preceding mounting base and positioned at preceding mounting base rear, characterized by further comprising centres to connect frame, it is hinged by the rotation wear-resistant components being vertically arranged that the preceding mounting base connect frame with centre, mounting base connect frame with centre by the rubber metal pad elastic connection being arranged along the front-back direction afterwards, rotates wear-resistant components and rotates in centre connection frame with preceding mounting base around vertical rotation.The comfort of the present invention raising vehicle traveling comfort and carriage, while satisfaction is required by sharp radius curve, vehicle is allowed to be freely rotated in the process of running, constrain the movement of sidewindering and nod between vehicle, structure interchangeability is high, it is easy to maintenance and low in cost, certain lateral displacement is decontroled, the turn performance of low floor vehicle is effectively promoted.
Description
Technical field
The present invention relates to a kind of low floor vehicle elastic hinge joint device and its design methods, belong to low floor vehicle damping technology neck
Domain.
Background technique
Low-floor light rail vehicle have more piece even hang and make-up type is flexible and changeable, floor of vehicle away from rail level it is relatively close and
The advantages such as passenger capacity is big have obtained certain application in foreign countries.The not traditional hitch space of low-floor light rail vehicle, Er Qiecheng
Rail traffic route has the characteristics that sweep is small and ramp is steep and more inside city, and articulated mounting can fully meet above-mentioned want
It asks.
It is generally used between the vehicle bottom of existing low-floor train adjacent compartment and fixes hinge device, one between the roof of adjacent compartment
As using elastic hinge device, wherein the fixation hinge device at vehicle bottom limits the translation in three directions, and three directions is allowed to rotate, and bears
The vertical force of train transmits the most longitudinal traction of adjacent train (current of traffic) and cross force；Institute between roof
Allow adjacent train spaced winding vertical axis to rotate using elastic hinge joint device, is provided by device inner rubber component longitudinal and horizontal
To rigidity, by cooperation vehicle bottom fixed hinge device, the part longitudinal traction of train is born, is limited between adjacent car body
It sidewinders and nods movement, make to meet wanting for the small radius of curvature track in city there is only the opposite freedom degree shaken the head between adjacent train
It asks.
But that there are lateral displacements is small, can not constrain movement of sidewindering and nod between vehicle for existing elastic hinge joint device,
And device components are more, and assembly and disassembly is difficult, does not adapt to the rail traffic status that city becomes increasingly complex, there is also make
With the service life it is short, it is maintainable difference the deficiencies of, to not be able to satisfy the rail traffic demand of high speed development.
The existing patent document of correlation retrieved:
CN200920015082.1 discloses a kind of urban low-floor track train and hingedly uses elastic hinge joint device.The device makes
With rubber arthrosis, Longitudinal stiffness and transverse stiffness is the same, not can be carried out it is individually designed, cannot combine train operation relax
Adaptive is required with curved road safety is crossed, the unprotect device when passing through sharp radius curve.
CN201410595402.0 mainly describes one kind by its stiffness equivalent method of elastic hinge joint device.The device uses
Hinged metal joint bearing, can not constrain the movement of sidewindering and nod between vehicle.And the device components are more, assembly and disassembly
Difficulty can not effectively solve the problems, such as the connection marshalling of urban low-floor rail traffic more piece low floor vehicle.
CN201721327032.8, describes a kind of low floor vehicle roof rotational articulated device and lateral stiffness adjustment is done
Method.This kind of product only provides lateral stiffness and limits length travel freedom degree, which still can not solve relaxing for train operation
Adaptive.
Summary of the invention
Low floor vehicle elastic hinge joint device provided by the invention and its design method improve vehicle traveling comfort and multiply
The comfort of seat allows vehicle to be freely rotated in the process of running, constrains vehicle while satisfaction through sharp radius curve requirement
Between movement of sidewindering and nod, structure interchangeability is high, easy to maintenance and low in cost, decontrols certain lateral displacement, effectively
The turn performance of ground promotion low floor vehicle.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
Low floor vehicle elastic hinge joint device, the rear mounting base including preceding mounting base and positioned at preceding mounting base rear, it is characterised in that
It further include intermediate connection frame, the preceding mounting base and the intermediate frame that connect are hinged by the rotation wear-resistant components being vertically arranged,
Mounting base connect frame with centre and passes through the rubber metal pad elastic connection that is arranged along the front-back direction afterwards, rotate wear-resistant components with preceding mounting base around
Vertical rotation and rotated in centre connection frame.
Preferably, the rear mounting base is in frame-shaped construction, and centre connection frame is located in rear mounting base inside casing, rotates wear-resisting
For component in intermediate connection frame, the front and rear sides of centre connection frame pass through rubber metal pad and rear mounting base elastic connection respectively, in
Between connect the left and right sides of frame and separate with rear mounting base and do not contact, preceding mounting base extends to the two sides up and down of intermediate connection frame and rotates
Wear-resistant components connection.
Preferably, the left and right sides of the intermediate connection frame vulcanizes sticking rubber backstop respectively, keeps off on the rubber
It separates not contact with rear mounting base to form lateral clearance, it is recessed to be respectively provided with positioning on the left side and right side of centre connection frame
Slot, the vulcanization of rubber backstop one end are bonded in positioning groove, and one end is stretched out from positioning groove.
Preferably, the intermediate connection frame center is provided with vertical installation through-hole, and rotation wear-resistant components are mounted in vertical installation
In through-hole, and both ends are stretched out vertical installation through-hole respectively and are connect with preceding attachment base.
Preferably, the rotation wear-resistant components include central rotational pin, the set that both ends are stretched out from vertical installation through-hole
The wear-resistant sleeve of pivoting friction pair is formed between central rotational pin on central rotational pin, the wear-resistant sleeve is fixed on vertical
On straight installation through-hole inner wall, central rotational pin end and preceding mounting base are interference fitted.
Preferably, it is fixed with horizontally disposed limit card board in the preceding mounting base, the limit card board stretches to
In one end of central rotational pin, by central rotational pin card in preceding mounting base.
Preferably, the vertical height of the wear-resistant sleeve be less than vertical mounting hole it is vertical to height, wear-resistant sleeve
Both ends are supported preceding attachment base and sealed with central rotational pin by sealing support component to be cooperated, and the sealing support component includes
Wear-resisting ring between bushing and preceding mounting base of the bushing and clip pad of wear-resistant sleeve end is set and is covered close on wear-resisting ring
Seal, the bushing is in T shape, and one end is inserted into vertical installation through-hole, and the other end is stretched out from vertical installation through-hole, close
Centre is connected the clearance seal between frame and upper connecting base by seal.
Preferably, it is provided with oil circuit inside the central rotational pin, the oil circuit is passed through to central rotational pin and wear-resisting
Between casing, the opening installation pump nozzle of oil circuit or the central rotational pin are PTFE material.
The design method of above-described low floor vehicle elastic hinge joint device, it is characterised in that run over according to low floor vehicle
Longitudinal rigidity demand in journey, design rubber metal pad thickness, partition quantity, initial stiffness and pre compressed magnitude, turns according to low floor vehicle
The lateral displacement demand of Adjacent vehicles, designs the maximum transversal displacement between preceding mounting base and rear mounting base when curved.
Preferably, " the lateral displacement demand of Adjacent vehicles, designs preceding mounting base and rear peace when being turned according to low floor vehicle
Maximum transversal displacement between dress seat " refers to the lateral displacement demand of Adjacent vehicles when turning according to low floor vehicle, designs rubber
After the width D of lateral clearance between backstop and rear mounting base, the thickness of rubber backstop and rubber backstop are contacted with rear mounting base
Maximum compression deformation displacement.
Advantageous effect of the invention is:
1, elastic hinge joint device compact overall structure of the invention, space occupancy rate is small, is suitable for vehicle end away from small, sharp radius curve
Urban low-floor vehicle, allow Adjacent vehicles spaced winding vertical axis rotate, by inner rubber component provide vertical and horizontal it is rigid
Degree is connected at the top of Adjacent vehicles, is cooperated vehicle bottom fixed hinge device, is born the part longitudinal traction of train, meet city
Small curve radius requirement.
2、Afterwards mounting base use frame-shaped construction, centre connection frame connect with rear mounting base by rubber metal pad, can provide compared with
Big longitudinal rigidity, rubber metal pad have certain pre compressed magnitude, and engine and braking are more gentle when vehicle is run, and improve vehicle fortune
The comfort of capable stationarity and carriage.
3, the metal joint bearing arrangement in existing elastic hinge joint device is substituted with rotation wear-resistant components, satisfaction passes through smaller part
While diametal curve requires, vehicle is allowed to be freely rotated in the process of running, constrains the movement of sidewindering and nod between vehicle, structure
Interchangeability is high, easy to maintenance and low in cost.
4, intermediate connection frame separates not contact with rear attachment base to form lateral clearance, that is, decontrols certain lateral displacement, full
Sufficient sharp radius curve vulcanizes sticking rubber backstop by requiring, and at left and right sides of centre connection frame respectively, turns in the limit
Rubber backstop is contacted with rear attachment base under angle, and moment increases lateral stiffness, plays the role of position limitation protection, it is smooth to be conducive to vehicle
By bend, the turn performance of low floor vehicle is effectively promoted.
5, oil circuit is opened up in central rotational pin, with the frictional fit face of lubricating oil filling wear-resistant sleeve and central rotational pin
Or central rotational pin uses non-maintaining, self-lubricating PTFE material, the greasy property between central rotational pin and wear-resistant sleeve is excellent
It is good, guarantee continuous turning performance in the case where urban traffic situation complexity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low floor vehicle elastic hinge joint device in specific embodiment.
Fig. 2 is the longitudinal sectional view of low floor vehicle elastic hinge joint device.
Fig. 3 is the transverse sectional view of low floor vehicle elastic hinge joint device.
Fig. 4 is the structural schematic diagram of intermediate connection frame.
Specific embodiment
It elaborates below with reference to Fig. 1 to Fig. 4 to the embodiment of the present invention.
Low floor vehicle elastic hinge joint device, the rear mounting base 2 including preceding mounting base 1 and positioned at preceding 1 rear of mounting base are special
Sign is to further include intermediate connection frame 3, and it is wear-resisting by the rotation being vertically arranged that the preceding mounting base 1 connect frame 3 with centre
Component 4 is hinged, and rear mounting base 2 connect frame 3 with centre and passes through 5 elastic connection of rubber metal pad being arranged along the front-back direction, and rotates wear-resisting group
Part 4 rotates in centre connection frame 3 with preceding mounting base 1 around vertical rotation.
Low floor vehicle spring hinged device as shown in the figure, is mounted on the top of two Adjacent vehicles of low floor vehicle, wherein
Preceding mounting base 1 is mounted on previous vehicle, and rear mounting base 2 is mounted on latter vehicle, and preceding mounting base 1 passes through rotation wear-resistant components
4 connect frame 3 with centre hingedly, and rear mounting base 1 connect frame 3 with centre by 5 elastic connection of rubber metal pad, thus mounting base before realizing
1 with the elastic hinge joint of rear mounting base 2, compact overall structure, space occupancy rate is small, suitable for vehicle end away from small, sharp radius curve
Urban low-floor vehicle allows Adjacent vehicles spaced winding vertical axis to rotate, and provides vertical and horizontal rigidity by inner rubber component,
It is connected at the top of Adjacent vehicles, cooperates vehicle bottom fixed hinge device, bear the part longitudinal traction of train, meet city Chinese yeast
Line radius requirement.Centre connection frame 3 is connect with rear mounting base 2 by rubber metal pad 5, and rubber metal pad 5 is arranged along the front-back direction i.e. along low land
Wooden handcart is longitudinally disposed, can provide biggish longitudinal rigidity, meets the longitudinal rigidity demand in vehicle travel process, rubber metal pad tool
There is certain pre compressed magnitude, engine and brakes more gentle when vehicle is run, improve relaxing for vehicle traveling comfort and carriage
Adaptive.
Wherein, the rear mounting base 2 is in frame-shaped construction, and centre connection frame 3 is located in rear 2 inside casing of mounting base, rotates resistance to
Component 4 is ground in intermediate connection frame 3, the front and rear sides of centre connection frame 3 pass through 2 elasticity of rubber metal pad 5 and rear mounting base respectively
Connection, the left and right sides of centre connection frame 3 is separated with rear mounting base 2 not to be contacted, and preceding mounting base 2 extends to the upper of intermediate connection frame 3
Lower two sides are connect with rotation wear-resistant components 4.As shown, the frame-shaped construction that rear mounting base 2 is rotatable in ring, centre connection frame 3
Front and back side passes through rubber metal pad 5 and rear 2 elastic connection of mounting base, provides biggish longitudinal rigidity, only in car engine, braking
Or rubber metal pad 5 can just deform when turning, the rubber metal pad with certain pre compressed magnitude, elastic recovery capability after deformation
It is stronger, it is more preferable between the effectiveness in vibration suppression Adjacent vehicles.The left and right sides of centre connection frame 3 is separated with rear mounting base 2 not to be contacted, i.e.,
Certain lateral displacement is decontroled between centre connection frame 3 and rear mounting base 2, there is rear mounting base 2 relative to preceding mounting base 1
Certain lateral displacement allows certain laterally opposed displacement between Adjacent vehicles when vehicle is run, guarantee that vehicle can pass through
Sharp radius curve improves the turn performance of vehicle, meets sharp radius curve by requiring, is conducive to vehicle and passes through bend.
Wherein, the left and right sides of the intermediate connection frame 3 vulcanizes sticking rubber backstop 6 respectively, keeps off 6 on the rubber
It separates not contact with rear mounting base 2 to form lateral clearance 61, is respectively provided with positioning on the left side and right side of centre connection frame 3
Groove 32, the vulcanization of 6 one end of rubber backstop are bonded in positioning groove 32, and one end is stretched out from positioning groove 32.It turns in the limit
Rubber backstop 6 is contacted with rear attachment base 2 under angle, and moment increases lateral stiffness, plays the role of position limitation protection, when centre connects frame
3 with rear 2 rigid contact of attachment base when, play hard backstop action, the laterally opposed displacement for limiting Adjacent vehicles continues to increase, and guarantees
The safety of Ackermann steer angle improves the road conditions adaptability and operational reliability of vehicle.The vulcanization of rubber backstop 6 is bonded in positioning
In groove 32, when rubber backstop 6 is compressed to intermediate connection frame 3 and rear 2 rigid contact of mounting base, then it cannot be further continued for compressing,
After guaranteeing that rubber backstop 6 compresses a part by positioning groove 32, centre connection frame 3 and rear mounting base 2 are bound to that rigidity occurs
Contact forms hard backstop, improves the limit reliability between intermediate connection frame 3 and rear mounting base 2.
Wherein, intermediate connection 3 center of frame is provided with vertical installation through-hole 31, and rotation wear-resistant components 4 are mounted in vertical peace
It fills in through-hole 31, and both ends are stretched out vertical installation through-hole 31 respectively and connect with preceding attachment base 1.
The rotation wear-resistant components 4 include both ends stretched out from vertical installation through-hole 31 central rotational pin 41, cover
The wear-resistant sleeve 42 of pivoting friction pair is formed on central rotational pin 41 between central rotational pin 41, the wear-resistant sleeve 42 is solid
It is scheduled on 31 inner wall of right angle setting through-hole, 41 end of central rotational pin and preceding mounting base 1 are interference fitted.
As shown in Fig. 2, wear-resistant sleeve 42 and central rotational pin 41 form a pair of of pivoting friction pair, the two of central rotational pin 41
End is interference fitted with preceding mounting base 1, is rotated in wear-resistant sleeve 42 with the rotation of preceding mounting base 1, compared with the existing technology
Hinged structure is carried out using metal joint bearing in articulated mounting, the cooperation of wear-resistant sleeve 42 and central rotational pin 41 only around
Thus vertical rotational freedom allows vehicle to be freely rotated in the process of running without the freedom degree of other Direction distortions
While, the movement of sidewindering and nod between Adjacent vehicles can be constrained, improve the vibration damping stationary performance in vehicle operation, and
And the fit structure interchangeability of wear-resistant sleeve 42 and central rotational pin 41 is high, it is easy to maintenance and low in cost.
Wherein, horizontally disposed limit card board 11 is fixed in the preceding mounting base 1, the limit card board 11 protrudes into
Into one end of central rotational pin 41, before central rotational pin 41 is stuck in mounting base 1.Central rotational is prevented with limit card board 11
Pin 41 is scurried out, and the stability and reliability of structure are improved.
Wherein, the vertical height of the wear-resistant sleeve 42 is less than the vertical to height, wear-resistant sleeve of vertical mounting hole 31
42 both ends are cooperated by sealing support component 7 and supporting preceding attachment base 1 and seal with central rotational pin 41, the sealing support
Component 7 is including being arranged in the wear-resisting ring 72 of the bushing 71 and clip pad of 42 end of wear-resistant sleeve between bushing 71 and preceding mounting base 1
With cover the sealing ring 73 on wear-resisting ring 72, the bushing 71 is in T shape, and one end is inserted into vertical installation through-hole 31, another
End is stretched out from vertical installation through-hole 31, and centre is connected the clearance seal between frame 3 and upper connecting base 1 by sealing ring 73.From figure
As can be seen that sealing support component 7 plays the role of mounting base 1 before supporting in 2, sealing central rotational pin 41 and resistance to is also functioned to
Grinding set pipe 42, the effect for preventing dust impurity from entering improve structural reliability, prolong the service life.
Wherein, oil circuit 41.1 is provided with inside the central rotational pin 41, the oil circuit 41.1 is passed through to central rotational
Between pin 41 and wear-resistant sleeve 42, the opening installation pump nozzle 8 of oil circuit 41.1 or the central rotational pin 41 are PTFE
Material.Lubricating oil is injected between central rotational pin 41 and wear-resistant sleeve 42 by oil circuit 41.1, reduces frictional force between the two,
Continuous rotation ability between the two is improved, to improve the turn performance of vehicle.Certainly self-lubricating, non-maintaining PTFE material are used
The central rotational pin 41 of matter similarly can achieve the frictional force reduced between central rotational pin and wear-resistant sleeve, improve between the two
Continuous rotation ability, to improve the effect of the turn performance of vehicle.
The design method of above-described low floor vehicle elastic hinge joint device, it is characterised in that run over according to low floor vehicle
Longitudinal rigidity demand in journey, design 5 thickness of rubber metal pad, partition quantity, initial stiffness and pre compressed magnitude, turns according to low floor vehicle
The lateral displacement demand of Adjacent vehicles when curved designs the maximum transversal displacement between preceding mounting base 1 and rear mounting base 2.
According to the longitudinal rigidity demand in low floor vehicle driving process, the thickness of rubber metal pad 5 is designed, partition quantity is just rigid
Rigidity and pre compressed magnitude, the longitudinal rigidity so as to adjust the initial longitudinal rigidity between low floor vehicle Adjacent vehicles, in driving process
Elastic deformation's ability of variation range and rubber metal pad 5, meets longitudinal damping demand in driving process, is turned according to low floor vehicle
The lateral displacement demand of Adjacent vehicles when change, i.e., according to transition curve radius in the travel route of low floor vehicle, installation before designing
Maximum transversal displacement between seat 1 and rear mounting base 2 enables the vehicle to pass through sharp radius curve, promotes turn performance.
" the lateral displacement demand of Adjacent vehicles when being turned according to low floor vehicle, design preceding mounting base 1 and rear mounting base 2 it
Between maximum transversal displacement " refer to the lateral displacement demands of Adjacent vehicles when turning according to low floor vehicle, design rubber backstop 6 with
After the width D of the lateral clearance 61 between mounting base 2, the thickness of rubber backstop 6 and rubber backstop 6 are contacted with rear mounting base 2 afterwards
Maximum compression deformation displacement.Rubber backstop 6 is contacted with rear attachment base 2 under limit angle of turn, and moment increases lateral stiffness,
Play the role of position limitation protection, when rubber backstop 6 makes intermediate connection frame 3 and rear 2 rigid contact of attachment base by compression, plays hard stop
Gear effect, the laterally opposed displacement for limiting Adjacent vehicles continue to increase.After width D is contacted plus rubber backstop 6 with rear mounting base 1
Maximum compression variable displacement be equal to maximum transversal displacement between preceding mounting base 1 and rear mounting base 2, therefore design rubber can be passed through
The width D of lateral clearance 61 between backstop 6 and rear mounting base 2, the thickness of rubber backstop 6 and rubber backstop 6 and rear mounting base 2
Maximum compression deforming position in-migration after contact adjusts maximum transversal displacement between preceding mounting base 1 and rear mounting base 2, enables the vehicle to suitable
Benefit passes through all bends in travel route.
It is completely described in conjunction with technical solution of the attached drawing to the embodiment of the present invention above, it should be noted that described
Embodiment be only a part of the embodiments of the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Claims (10)
1. low floor vehicle elastic hinge joint device, including preceding mounting base (1) and it is located at the rear mounting base (2) at preceding mounting base (1) rear,
Characterized by further comprising centres to connect frame (3), and the preceding mounting base (1) connect frame (3) with centre by being vertically arranged
Rotation wear-resistant components (4) hingedly, rear mounting base (2) connect frame (3) with centre and passes through rubber metal pad (5) bullet for being arranged along the front-back direction
Property connection, rotation wear-resistant components (4) with preceding mounting base (1) around vertical rotation and centre connection frame (3) in rotation.
2. low floor vehicle elastic hinge joint device according to claim 1, it is characterised in that the rear mounting base (2) is in frame
Shape structure, centre connection frame (3) are located in rear mounting base (2) inside casing, and rotation wear-resistant components (4) is mounted in intermediate connection frame (3),
The front and rear sides of centre connection frame (3) pass through rubber metal pad (5) and rear mounting base (2) elastic connection respectively, centre connection frame (3)
The left and right sides separates with rear mounting base (2) and does not contact, and preceding mounting base (2) extends to two sides up and down and the rotation of intermediate connection frame (3)
Wear-resistant components (4) connection.
3. low floor vehicle elastic hinge joint device according to claim 2, it is characterised in that intermediate connection frame (3)
The left and right sides vulcanizes sticking rubber backstop (6) respectively, and (6) are kept off on the rubber and separate not contact with rear mounting base (2) to be formed
Lateral clearance (61), centre connection frame (3) left side and right side on be respectively provided with positioning groove (32), rubber backstop (6)
One end vulcanization is bonded in positioning groove (32), and one end is stretched out from positioning groove (32).
4. low floor vehicle elastic hinge joint device according to claim 2, it is characterised in that in intermediate connection frame (3)
The heart is provided with vertical installation through-hole (31), and rotation wear-resistant components (4) is in vertical installation through-hole (31), and both ends are stretched out hang down respectively
It is connect to installation through-hole (31) with preceding attachment base (1).
5. low floor vehicle elastic hinge joint device according to claim 4, it is characterised in that the rotation wear-resistant components (4)
The central rotational pin (41) that stretches out from the vertical installation through-hole (31) including both ends covers and turns on central rotational pin (41) with centre
The wear-resistant sleeve (42) of pivoting friction pair is formed between dynamic pin (41), the wear-resistant sleeve (42) is fixed on right angle setting through-hole
(31) on inner wall, central rotational pin (41) end and preceding mounting base (1) are interference fitted.
6. low floor vehicle elastic hinge joint device according to claim 5, it is characterised in that solid in the preceding mounting base (1)
Surely have horizontally disposed limit card board (11), the limit card board (11) stretches in one end of central rotational pin (41), will
Central rotational pin (41) is stuck on preceding mounting base (1).
7. low floor vehicle elastic hinge joint device according to claim 5, it is characterised in that the wear-resistant sleeve (42)
Vertical height is less than the vertical to height of vertical mounting hole (31), and the both ends of wear-resistant sleeve (42) pass through sealing support component (7)
It supports preceding attachment base (1) and is sealed with central rotational pin (41) and cooperated, the sealing support component (7) includes being arranged wear-resisting
It wear-resisting ring (72) of the bushing (71) and clip pad of casing (42) end between bushing (71) and preceding mounting base (1) and covers wear-resisting
The sealing ring (73) on (72) is enclosed, the bushing (71) is in T shape, and one end is inserted into vertical installation through-hole (31), the other end
It is stretched out from vertical installation through-hole (31), sealing ring (73) is close by the gap between intermediate connection frame (3) and upper connecting base (1)
Envelope.
8. low floor vehicle elastic hinge joint device according to claim 5, it is characterised in that the central rotational pin (41)
Inside is provided with oil circuit (41.1), and the oil circuit (41.1) is passed through between central rotational pin (41) and wear-resistant sleeve (42), oil
Opening installation pump nozzle (8) on road (41.1) or the central rotational pin (41) are PTFE material.
9. claim 1 to the design method of the described in any item low floor vehicle elastic hinge joint devices of claim 8, feature exists
According to the longitudinal rigidity demand in low floor vehicle driving process, design rubber metal pad (5) thickness, partition quantity, initial stiffness and
Pre compressed magnitude, the lateral displacement demand of Adjacent vehicles when being turned according to low floor vehicle design preceding mounting base (1) and rear mounting base
(2) maximum transversal displacement between.
10. the design method of low floor vehicle elastic hinge joint device according to claim 9, it is characterised in that " according to low land
The lateral displacement demand of Adjacent vehicles when wooden handcart is turned, designs the maximum transversal position between preceding mounting base (1) and rear mounting base (2)
Shifting " refers to the lateral displacement demand of Adjacent vehicles when turning according to low floor vehicle, designs rubber backstop (6) and rear mounting base (2)
Between the width D of lateral clearance (61), the thickness of rubber backstop (6) and rubber backstop (6) contacted with rear mounting base (2) after
Maximum compression deformation displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081217.4A CN109263679A (en) | 2018-09-17 | 2018-09-17 | Low floor vehicle elastic hinge joint device and its design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081217.4A CN109263679A (en) | 2018-09-17 | 2018-09-17 | Low floor vehicle elastic hinge joint device and its design method |
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| CN109263679A true CN109263679A (en) | 2019-01-25 |
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| CN201811081217.4A Pending CN109263679A (en) | 2018-09-17 | 2018-09-17 | Low floor vehicle elastic hinge joint device and its design method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746584A (en) * | 2020-07-09 | 2020-10-09 | 株洲时代新材料科技股份有限公司 | Low-floor vehicle fixing hinge with variable rigidity displacement freedom degree |
| KR20210138274A (en) * | 2020-05-12 | 2021-11-19 | 김준석 | Connector device for connecting railway vehicles |
| CN115056815A (en) * | 2022-07-14 | 2022-09-16 | 株洲时代新材料科技股份有限公司 | Rubber wheel train end hinge mechanism |
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| CN206765730U (en) * | 2017-02-24 | 2017-12-19 | 浙江春风动力股份有限公司 | A kind of beach buggy and its rear arm bearing Mounting device |
| CN207374414U (en) * | 2017-09-06 | 2018-05-18 | 常州中车铁马科技实业有限公司 | A kind of folding type vehicle hook retaining mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20210138274A (en) * | 2020-05-12 | 2021-11-19 | 김준석 | Connector device for connecting railway vehicles |
| KR102383905B1 (en) | 2020-05-12 | 2022-04-06 | 김준석 | Connector device for connecting railway vehicles |
| CN111746584A (en) * | 2020-07-09 | 2020-10-09 | 株洲时代新材料科技股份有限公司 | Low-floor vehicle fixing hinge with variable rigidity displacement freedom degree |
| CN111746584B (en) * | 2020-07-09 | 2021-09-28 | 株洲时代新材料科技股份有限公司 | Low-floor vehicle fixing hinge with variable rigidity displacement freedom degree |
| CN115056815A (en) * | 2022-07-14 | 2022-09-16 | 株洲时代新材料科技股份有限公司 | Rubber wheel train end hinge mechanism |
| CN115056815B (en) * | 2022-07-14 | 2024-03-12 | 株洲时代新材料科技股份有限公司 | Train end hinging mechanism of rubber-tyred train |
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