CN207875660U - A kind of secondary suspension device and bogie - Google Patents
A kind of secondary suspension device and bogie Download PDFInfo
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- CN207875660U CN207875660U CN201820209464.7U CN201820209464U CN207875660U CN 207875660 U CN207875660 U CN 207875660U CN 201820209464 U CN201820209464 U CN 201820209464U CN 207875660 U CN207875660 U CN 207875660U
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- secondary suspension
- damper
- suspension device
- air spring
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Abstract
The utility model discloses a kind of secondary suspension device and bogies, it is lateral damper that it, which includes two, anti-hunting damper holder, two be vertical damper, air spring, lateral backstop, anti-rolling device, two be there are two lateral damper settings and skew symmetry is arranged in the end on the curb girder of framework, there are two anti-hunting damper holder settings and is arranged symmetrically on the lateral wall of curb girder about framework longitudinal centre line, the axis of two anti-hunting damper holders is parallel with framework longitudinal centre line, two be there are two vertical damper settings and skew symmetry is arranged on the curb girder of framework, there are two air spring settings and the middle part of curb girder is arranged symmetrically in about framework longitudinal centre line, lateral backstop is arranged on the crossbeam of framework, anti-rolling device is flexibly connected by bearing block with the bottom of framework.The secondary suspension device and bogie of utility model can effectively improve the riding comfort of current passenger locomotive vehicle, and ensure that vehicle passes through performance in small curve radius track.
Description
Technical field
The utility model is related to a kind of secondary suspension device and bogies, belong to rail vehicle technical field.
Background technology
Secondary suspension device is widely used in domestic and international various railway freight-car, visitor between bogie frame and car body
On the vehicles such as vehicle, EMU, subway.Secondary suspension device is primarily subjected to the weight of car body；It transmits vertical load and laterally carries
Lotus；They can also bear the relative motion between car body and bogie caused by different loads operating mode；Car body can also be adjusted
Height.The helical steel springs group that passenger locomotive uses both at home and abroad at present+respectively form secondary suspension device to damper+backstop,
As shown in Figure 1.This secondary suspension device is simple in structure, occupies little space；It is vertical that its disadvantage is just constrained to helical steel springs
Rigidity and lateral stiffness can not be reduced to desirable value, when high-speed cruising, cannot be satisfied the requirement of riding comfort, and speed per hour reaches
200 kilometers/hour of upper limits for having had reached structure bring bottleneck for continuing speed-raising.Current country's passenger locomotive
Speed per hour is up to 160 kilometers/hour, with the substantially speed-raising of passenger locomotive vehicle, for bogie and car body safe operation with
More stringent requirements are proposed for riding comfort design.
Passenger locomotive vehicle needs lower vertical, lateral stiffness when straightway is run to ensure to reach corresponding comfortable
Degree.But lower vertical, lateral stiffness can make vehicle pass through small curve radius when car body will produce relatively larger transverse displacement and
It sidewinders, reduces vehicle in small curve radius track by performance, be unfavorable for car body safe operation.Therefore, how to improve
Balance is found between passability/safety when riding comfort and turning driving when straight-line travelling, is current passenger locomotive
Further raise speed problem in urgent need to solve.
Utility model content
The utility model is intended to provide a kind of secondary suspension device and bogie, and the secondary suspension device and bogie can be with
Effectively improve the riding comfort of current passenger locomotive vehicle, and ensure vehicle small curve radius track passability
Energy.
To achieve the goals above, technical solution used by the utility model is：
A kind of secondary suspension device comprising two be lateral damper, anti-hunting damper holder, two be vertical damper, sky
Gas spring, lateral backstop, anti-rolling device, described two be there are two lateral damper settings and skew symmetry is arranged in the side of framework
End on beam, there are two the anti-hunting damper holder settings and the outside of curb girder is arranged symmetrically in about framework longitudinal centre line
On wall, the axis of two anti-hunting damper holders is parallel with framework longitudinal centre line, and described two be that vertical damper is provided with
Two and skew symmetry are arranged on the curb girder of framework, the air spring setting there are two and it is symmetrical about framework longitudinal centre line
It is arranged in the middle part of curb girder, the transverse direction backstop is arranged on the crossbeam of framework, and the anti-rolling device passes through bearing block and structure
The bottom of frame is flexibly connected.
As a result, when power-centralized type EMU high-speed cruising is in straightway, air spring provides lower lateral stiffness
To realize more apparent riding comfort, and when power-centralized type EMU high-speed cruising is on small curve radius, two systems
Lateral damper limits the excessive lateral displacement of car body generation with lateral backstop；Two systems being set on truck side sill hang down
It is mainly to provide the damping of vehicle Vertical Vibration Reduction, improve the vertical stability of vehicle to damper；It is set to framework side beam-ends
The two of portion are that lateral damper mainly provides lateral vibration absorbing damping of the vehicle in high-speed cruising, and it is steady to improve straight line operation
It is qualitative；It is set to the steering resistance square when anti-hunting damper holder on the outside of truck side sill provides vehicle high-speed operation, both sides are anti-
The anti-torque of shaking the head that hunting Damper is longitudinally discretely formed, can inhibit bogie to crawl, improve rolling stock stability and
Running stability, and then improve the critical speed of vehicle.Left and right anti-hunting damper holder axis is vertical with bogie in the horizontal direction
To centerline parallel, and left and right anti-hunting damper holder is arranged in the side of bogie cross central line.Therefore bogie shakes
The cross force that anti-hunting damper holder is applied to bogie when head or so is 0, the bogie caused by anti-hunting damper holder
Lateral coupling vibration.Anti-rolling device can solve setting air spring and the relatively low vertical stiffness that is formed, so as to cause car body
The problem of sidewindering.
Further, the air spring uses Low rigidity Nonlinear Space gas spring, the upper end of the air spring to be arranged
There are positioning pin, lower end to be provided with guide pin, air spring top is with car body by positioning finger setting and being bolted connection, sky
Gas spring lower part is positioned and is bolted connection by guide pin with framework, and air spring is internally provided with wearing plate, described
Vertical height of the wearing plate for limiting car body after air spring failure.
Further, the secondary suspension device further includes having height adjustment device, and the height adjustment device is set to
On the crossbeam of framework.Height adjustment device can be used to adjust the height of car body, when wheel wear occurs for bogie to needing Xuan to take turns
The case where when, can realize that train is in constant altitude by height adjustment device.
Further, the lateral backstop is nonlinear backstop comprising flexible stop portion and rigid stopper section
Point, the elastic bolster guide part is distributed in the both sides of the rigid stop portion, and the thickness of elastic bolster guide part is more than rigidity
The thickness of stop portion.When passenger locomotive vehicle high-speed operates on small curve radius track, elastic bolster guide part first contacts
To car body, elastic bolster guide part can alleviate the side knock between car body and bogie, if between car body and bogie
Lateral displacement further increases, and rigid stop portion will limit the maximum transversal displacement between car body and bogie, the transverse direction
Stop configurations are simple, simple installation, are conducive to save space.
Further, the anti-rolling device includes torque arm, two swing arms and two strut and ties, described two swing arms
The torque arm both ends are fixedly installed in one end respectively, and the other end of the swing arm is connected by rubber arthrosis and described strut and tie one end
It connects, the other end of the strut and tie is connect with car body, and the bottom of framework, two drawings are arranged by bearing block for the torque arm
Compression bar is located at the both sides of framework.The anti-rolling device can be applicable in and be matched with the air spring of relatively low vertical stiffness, can compared with
It is installed and plays the role of anti-side rolling in small space.
Further, the secondary suspension device is used for power-centralized type EMU.
Conceived based on the same utility model, the utility model additionally provides a kind of bogie comprising framework and above-mentioned
Secondary suspension device.
Compared with prior art, the utility model has the beneficial effects that：
It realizes the lower vertical, lateral stiffness of air spring, takes into account vehicle high-speed safety in operation and riding comfort；Energy
Enough ensure that car body is in constant height by height adjustment device；Can be vertical by two, two systems are lateral, anti-snake vibration damping
Device provides each to vibration damping and damping.Improve each critical speed to stability and raising vehicle of vehicle；The anti-snake vibration damping in both sides
The anti-torque of shaking the head that device is longitudinally discretely formed, can inhibit bogie to crawl, and improve the stability of rolling stock and operate steadily
Property；Lateral displacement excessive between bogie and car body when can be limited in high-speed cruising on small curve radius ensures abnormal work
Vehicle operational safety under condition；The anti-side rolling problem under the premise of vertical smaller rigidity is efficiently solved, small curve half is avoided passing through
The possibility that diameter track or car body are toppled by wind effect.
Description of the drawings
Fig. 1 is the schematic diagram of secondary suspension in the prior art；
Fig. 2 is the schematic diagram of the secondary suspension device of the utility model；
Fig. 3 is the schematic diagram of the air spring of the utility model；
Fig. 4 is the schematic diagram of the lateral backstop of the utility model；
Fig. 5 is the schematic diagram of the anti-rolling device of the utility model.
In figure:Two be lateral damper 1, anti-hunting damper holder 2, two be vertical damper 3, air spring 4, positioning pin
41, wearing plate 42, guide pin 43, height adjustment device 5, lateral backstop 6, elastic bolster guide part 61, rigid stop portion 62, anti-side
Rolling device 7, passes through bearing block 74, framework 8 at the swing arm 72, two of torque arm 71, two strut and tie 73.
Specific implementation mode
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There are "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
Referring to Fig. 1-5, a kind of bogie comprising framework 8 and secondary suspension device.Wherein, secondary suspension device includes
Two be lateral damper 1, anti-hunting damper holder 2, two be vertical damper 3, air spring 4, lateral backstop 6, anti-rolling device
7, described two be there are two the settings of lateral damper 1 and skew symmetry is arranged in the end on the curb girder of framework 8, and the anti-snake subtracts
There are two the device 2 that shakes settings and is arranged symmetrically on the lateral wall of curb girder about 8 longitudinal centre line of framework, and two anti-snakes subtract
Shake device 2 axis it is parallel with 8 longitudinal centre line of framework, described two be vertical damper 3 setting there are two and skew symmetry be arranged in
On the curb girder of framework 8, there are two the settings of the air spring 4 and is arranged symmetrically in curb girder about 8 longitudinal centre line of framework
Portion, the transverse direction backstop 6 are arranged on the crossbeam of framework 8, and the anti-rolling device 7 is lived by the bottom of bearing block and framework 8
Dynamic connection.Two be set on curb girder are vertical damper, are mainly to provide the damping of vehicle Vertical Vibration Reduction, improve vehicle
Vertical stability；It is that lateral damper 1 mainly provides lateral vibration absorbing of the vehicle in high-speed cruising to be set to the two of curb girder end
Damping, improves straight line operation stability；The anti-hunting damper holder 2 for being set to side rail outer provides vehicle high-speed operation
When steering resistance square, the anti-torque of shaking the head that both sides anti-hunting damper holder 2 is longitudinally discretely formed can inhibit bogie to crawl,
The stability and running stability of rolling stock are improved, and then improves the critical speed of vehicle.Left and right anti-hunting damper holder 2
Axis is parallel with bogie longitudinal centre line in the horizontal direction, and left and right anti-hunting damper holder 2 is arranged in bogie transverse direction
The side of center line.Therefore the bogie cross force that anti-hunting damper holder is applied to bogie when shaking the head or so is 0, will not be by
Bogie lateral coupling vibration caused by anti-hunting damper holder.
The air spring 4 uses Low rigidity Nonlinear Space gas spring, and the upper end of the air spring 4 is provided with positioning pin
41, lower end is provided with guide pin 43, and 4 top of air spring is positioned and is bolted connection by positioning pin 41 with car body, empty
4 lower part of gas spring is positioned and is bolted connection by guide pin 43 with framework 8, and air spring 4 is internally provided with wearing plate
42, vertical height of the wearing plate 42 for limiting car body after air spring failure.When power-centralized type EMU high speed is transported
For row in straightway, air spring provides lower lateral stiffness to realize more apparent riding comfort.
The secondary suspension device further includes having height adjustment device 5, and the height adjustment device is set to the cross of framework 8
Liang Shang.Height adjustment device can be used to adjust the height of car body, when there is a situation where wheel wears to when Xuan being needed to take turns for bogie,
It can realize that train is in constant altitude by height adjustment device.
The transverse direction backstop 6 is nonlinear backstop comprising flexible stop portion 61 and rigid stop portion 62, institute
The both sides that elastic bolster guide part 61 is distributed in the rigid stop portion 62 are stated, and the thickness of elastic bolster guide part 61 is more than rigidity
The thickness of stop portion 62.When passenger locomotive vehicle high-speed operates on small curve radius track, elastic bolster guide part first connects
Contact that car body, elastic bolster guide part can alleviate the side knock between car body and bogie, if between car body and bogie
Lateral displacement further increase, rigid stop portion will limit the maximum transversal displacement between car body and bogie, the cross
Simple to stop configurations, simple installation is conducive to save space, can either play the role of laterally buffering, and can play limit
Effect.
The anti-rolling device 7 includes 71, two swing arms 72 of torque arm and two strut and ties 73, described two swing arms 72
71 both ends of the torque arm are fixedly installed in one end respectively, and the other end of the swing arm 72 passes through rubber arthrosis and the strut and tie 73
One end connects, and the other end of the strut and tie 73 is connect with car body, and the bottom of framework 8 is arranged by bearing block 74 for the torque arm 71
Portion, two strut and ties 73 are located at the both sides of framework 8.The anti-rolling device can be applicable in and be matched with relatively low vertical stiffness
Air spring can be installed in smaller space and play the role of anti-side rolling.Anti-rolling device 7 can solve setting air bullet
Spring and the relatively low vertical stiffness formed, the problem of being sidewindered so as to cause car body.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of secondary suspension device, which is characterized in that including two be lateral damper（1）, anti-hunting damper holder（2）, two systems
Vertical damper（3）, air spring（4）, lateral backstop（6）, anti-rolling device（7）, described two be lateral damper（1）Setting
There are two and skew symmetry be arranged in framework（8）Curb girder on end, the anti-hunting damper holder（2）Setting there are two and about
Framework longitudinal centre line is arranged symmetrically on the lateral wall of curb girder, in the axis of two anti-hunting damper holders and framework longitudinal direction
Heart line is parallel, and described two be vertical damper（3）There are two settings and skew symmetry is arranged in framework（8）Curb girder on, the sky
Gas spring（4）The middle part of curb girder, the transverse direction backstop are arranged symmetrically in there are two being arranged and about framework longitudinal centre line（6）If
It sets in framework（8）Crossbeam on, the anti-rolling device（7）Pass through bearing block and framework（8）Bottom flexible connection.
2. secondary suspension device according to claim 1, which is characterized in that the air spring（4）It is non-using Low rigidity
Line air spring, the air spring（4）Upper end be provided with positioning pin（41）, lower end is provided with guide pin（43）, air bullet
Spring（4）Top passes through positioning pin with car body（41）It positions and is bolted connection, air spring（4）Lower part and framework（8）
Pass through guide pin（43）It positions and is bolted connection, air spring（4）It is internally provided with wearing plate（42）, the wearing plate
（42）The vertical height of car body is limited after failing for air spring.
3. secondary suspension device according to claim 1, which is characterized in that the secondary suspension device further includes having height
Regulating device（5）, the height adjustment device is set to framework（8）Crossbeam on.
4. secondary suspension device according to claim 1, which is characterized in that the transverse direction backstop（6）Stop to be nonlinear
Gear comprising flexible stop portion（61）With rigid stop portion（62）, the elastic bolster guide part（61）It is distributed in described
Rigid stop portion（62）Both sides, and elastic bolster guide part（61）Thickness be more than rigid stop portion（62）Thickness.
5. secondary suspension device according to claim 1, which is characterized in that the anti-rolling device includes torque arm
（71）, two swing arms（72）With two strut and ties（73）, described two swing arms（72）One end the torsion is fixedly installed respectively
Bar（71）Both ends, the swing arm（72）The other end pass through rubber arthrosis and the strut and tie（73）One end connects, the tension and compression
Bar（73）The other end connect with car body, the torque arm（71）Pass through bearing block（74）Framework is set（8）Bottom, two institutes
It states strut and tie and is located at framework（8）Both sides.
6. secondary suspension device according to claim 1, which is characterized in that the secondary suspension device is used for power
Concentrated EMU.
7. a kind of bogie comprising framework（8）With secondary suspension device as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209464.7U CN207875660U (en) | 2018-02-07 | 2018-02-07 | A kind of secondary suspension device and bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209464.7U CN207875660U (en) | 2018-02-07 | 2018-02-07 | A kind of secondary suspension device and bogie |
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| Publication Number | Publication Date |
|---|---|
| CN207875660U true CN207875660U (en) | 2018-09-18 |
Family
ID=63509192
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209464.7U Active CN207875660U (en) | 2018-02-07 | 2018-02-07 | A kind of secondary suspension device and bogie |
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| Country | Link |
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| CN (1) | CN207875660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080655A (en) * | 2018-10-17 | 2018-12-25 | 西南交通大学 | Simple Straddle type monorail train bogie |
| CN109878536A (en) * | 2019-02-27 | 2019-06-14 | 河南中平晟佳科技有限公司 | A kind of lateral, stepless ultrahigh-vacuum system of vertical adaptive self-stabilization |
| CN113060175A (en) * | 2021-04-21 | 2021-07-02 | 重庆中车长客轨道车辆有限公司 | Double-flow system vehicle bogie |
| CN114162166A (en) * | 2022-01-13 | 2022-03-11 | 西南交通大学 | Inner axle box bogie adopting novel flexible framework and permanent magnet direct drive motor |
-
2018
- 2018-02-07 CN CN201820209464.7U patent/CN207875660U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080655A (en) * | 2018-10-17 | 2018-12-25 | 西南交通大学 | Simple Straddle type monorail train bogie |
| CN109878536A (en) * | 2019-02-27 | 2019-06-14 | 河南中平晟佳科技有限公司 | A kind of lateral, stepless ultrahigh-vacuum system of vertical adaptive self-stabilization |
| CN113060175A (en) * | 2021-04-21 | 2021-07-02 | 重庆中车长客轨道车辆有限公司 | Double-flow system vehicle bogie |
| CN114162166A (en) * | 2022-01-13 | 2022-03-11 | 西南交通大学 | Inner axle box bogie adopting novel flexible framework and permanent magnet direct drive motor |
| CN114162166B (en) * | 2022-01-13 | 2024-02-27 | 西南交通大学 | Inner axle box bogie adopting novel flexible framework and permanent magnet direct drive motor |
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