CN214356027U - Primary suspension device for railway vehicle bogie - Google Patents
Primary suspension device for railway vehicle bogie Download PDFInfo
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- CN214356027U CN214356027U CN202022925748.6U CN202022925748U CN214356027U CN 214356027 U CN214356027 U CN 214356027U CN 202022925748 U CN202022925748 U CN 202022925748U CN 214356027 U CN214356027 U CN 214356027U
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- axle box
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- 239000000725 suspension Substances 0.000 title claims abstract description 79
- 239000006096 absorbing agent Substances 0.000 claims abstract description 16
- 230000035939 shock Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
本实用新型公开了一种用于轨道车辆转向架的一系悬挂装置，包含垂向布置的弹簧部件、纵向布置的纵向定位拉杆和横向布置的横向定位拉杆，所述弹簧部件设于轴箱顶部或两侧，两个所述纵向定位拉杆关于轴承的轴线中心对称，其中一个所述纵向定位拉杆的高度高于另一个所述纵向定位拉杆的高度，所述横向定位拉杆设于轴箱顶部，其中心线在轴承中心线的正上方，所述轴箱上还布置有垂向减振器。采用本装置可实现一系悬挂装置的垂向悬挂、纵向定位、横向定位和垂向减振阻尼分别由独立的部件实现，能保证一系悬挂装置各方向的悬挂参数更准确、可靠，可实现一系悬挂装置各个方向定位刚度的单独设计，使各个方向刚度能同时达到最优。
The utility model discloses a primary suspension device for a rail vehicle bogie, which comprises a vertically arranged spring component, a longitudinally arranged longitudinal positioning pull rod and a laterally arranged lateral positioning pull rod, wherein the spring component is arranged on the top of an axle box Or on both sides, the two longitudinal positioning rods are symmetrical about the axis of the bearing, and the height of one of the longitudinal positioning rods is higher than the height of the other longitudinal positioning rod, and the lateral positioning rods are arranged on the top of the axle box, Its center line is just above the bearing center line, and a vertical shock absorber is also arranged on the axle box. By using this device, the vertical suspension, longitudinal positioning, lateral positioning and vertical vibration damping of the primary suspension device can be realized by independent components respectively, which can ensure that the suspension parameters of the primary suspension device in all directions are more accurate and reliable, and can realize The independent design of the positioning stiffness in each direction of the primary suspension device enables the stiffness in each direction to be optimized at the same time.
Description
Technical Field
The utility model relates to a rail vehicle bogie field, in particular to a primary suspension device for rail vehicle bogie.
Background
In railway track vehicle bogies, a primary suspension has a significant effect on the stability, smoothness, curve-passing ability, and running speed of the vehicle. A series of suspension devices need to transmit vertical, transverse and longitudinal forces between wheel pairs and a framework, and good vertical, transverse and longitudinal positioning can ensure good traction performance, linear operation stability and curve trafficability of the bogie. While good positioning requires a reasonable distribution of the stiffness of the respective positioning.
The positioning mode needs to balance rigidity distribution of one part, needs to optimize and choose or choose rigidity in different directions, and cannot ensure that the positioning rigidity in different directions is optimal rigidity, so that the dynamic performance of a vehicle is influenced, and the design and optimization difficulty of the primary suspension device is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose is not enough to above-mentioned technique, provides a not equidirectional primary suspension who is fixed a position by the independent part of difference respectively, realizes the separation of each direction rigidity of primary suspension location.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a primary suspension device for a railway vehicle bogie comprises a vertically arranged spring component, longitudinally arranged longitudinal positioning pull rods and transversely arranged transverse positioning pull rods, wherein the spring component comprises two groups of elastic elements arranged at the top of an axle box, the longitudinally arranged longitudinal positioning pull rods are provided with two groups which are single pull rods, the vertical directions of the two groups of longitudinal positioning pull rods are symmetrical about the center of a bearing, one group of longitudinal positioning pull rods is higher than the other group of longitudinal positioning pull rods, the higher group of longitudinal positioning pull rods are connected with the end parts of side beams, the lower group of longitudinal positioning pull rods are connected with the middle parts of the side beams, the two groups of longitudinal positioning pull rods are longitudinally arranged, the transverse distance between one group of longitudinal positioning pull rods and an end cover is larger than the distance between the other group of longitudinal positioning pull rods and an end cover, the transverse positioning pull rods comprise a group of transversely arranged single pull rods, the transverse positioning pull rods are arranged at the top of the axle box, and the central line of the transverse positioning pull rods is right above the central line of the bearing, the axle box is also provided with a vertical shock absorber, a bearing, an end cover and a positioning sleeve, wherein the vertical shock absorber provides damping of the whole primary suspension device, the vertical suspension, longitudinal positioning, transverse positioning and vertical damping of the primary suspension device can be realized by independent components respectively by adopting the device, suspension parameters of the primary suspension device in all directions can be more accurate and reliable, independent design of positioning rigidity of the primary suspension device in all directions can be realized, all direction rigidity of the primary suspension device can be optimized simultaneously, and accordingly traction performance, linear operation stability and curve trafficability of a vehicle are improved.
Adopt a rail vehicle primary suspension device, two longitudinal positioning pull rods provide a primary suspension device's longitudinal positioning alone, transmit the longitudinal force between wheel pair and the framework, two longitudinal positioning pull rods are one high one low to be arranged, about axle box center off-centre promptly, one is greater than another distance apart from the end cover apart from the distance of end cover simultaneously.
The two longitudinal positioning pull rods are vertically offset, so that the two longitudinal positioning pull rods have a certain vertical distance relative to the center of the axle box, on one hand, when the axle box is subjected to longitudinal force, the longitudinal force on the two longitudinal positioning pull rods can form torque, the torque is balanced with the torque applied to the axle box by the vertical shock absorber, the rotation of the axle box can be effectively inhibited, and the stability of a primary suspension device is ensured. Meanwhile, most of the existing bogie frames are high in end part and low in middle part, and the upper and lower arrangement mode can be well matched with a frame structure, so that the design of a longitudinal positioning pull rod mounting seat on a frame is facilitated; on the other hand, two sets of longitudinal positioning pull rods are offset up and down, and because the lower longitudinal positioning pull rod is positioned at the bottom of the axle box, the distance between the axle box and the middle part of the frame can be effectively reduced, so that the bogie can adopt a smaller wheel base, and the quality of the frame and the quality of the bogie can be further reduced.
Adopt the rail vehicle primary suspension device, arrange the transverse orientation pull rod at the axle box top, one end is connected to the axle box, one end is connected to the framework, the transverse orientation pull rod, its characterized in that, including a pull rod body and two spherical hinges with certain rigidity, the transverse rigidity of the primary suspension device only depends on the rigidity of the two spherical hinges, so the transverse orientation pull rod alone provides the transverse orientation rigidity of the primary suspension device, only need to satisfy the requirement of different rigidity demands of the primary suspension device through adjusting the rigidity of the two spherical hinges, namely adopt the transverse orientation pull rod to position and have the characteristic that the rigidity is easy to adjust; the height of the transverse positioning pull rod connected to one end of the axle box is lower than that connected to one end of the framework, the arrangement mode enables the axle box and the mounting seat on the framework not to be too long, and the length of a cantilever of the mounting seat is shorter, so that the mounting seat is better in stress, the requirement of poor empty and heavy vehicles can be met, and the transverse positioning pull rod is not interfered with the axle box under the condition of heavy vehicles.
Adopt rail vehicle primary suspension device, longitudinal direction pull rod and transverse orientation pull rod all adopt simple structure and the light single pull rod of quality, can reduce primary suspension device's quality, and then reduce the quality of whole bogie, be favorable to the bogie to realize the lightweight.
Adopt a primary suspension device for rail vehicle bogie, arrange two sets of spring unit on the axle box, the effect makes to have certain movement amount of deflection between framework and the end cover, can alleviate the impact between framework and the end cover, the spring uses with vertical shock absorber cooperation, can play the effect of buffering damping, guarantees the stability and the stationarity of vehicle operation.
Preferably, the spring part adopts a steel spring structure, so that the vertical deflection of the first system is large, and the rigidity is small.
Further preferably, the spring part adopts a rubber spring structure, so that the vertical deflection of the first system is small, and the rigidity is large.
Preferably, the spring member is arranged at the top of the axle box, so that the mass of the axle box can be reduced, the unsprung mass and the overall mass of the bogie can be reduced, and the vertical shock absorber is arranged on the mounting seat at the bottom of the axle box.
Further preferably, the spring members are disposed on both sides of the axle box to reduce the center of gravity of the axle box, and thus the center of gravity of the frame and the bogie, and the vertical shock absorbers are disposed on the mounting seats of the spring members.
To sum up, the utility model is characterized in that:
adopt a rail vehicle's a linkage suspension device, can realize a linkage suspension device's vertical suspension, longitudinal positioning, transverse positioning and vertical damping are realized by independent part respectively, make the rigidity of all directions all easily adjust, can guarantee that the suspension parameter of a linkage suspension device each direction is more accurate, reliable, can realize the independent design of a linkage suspension device each direction location rigidity, make a linkage suspension device each direction rigidity can reach the optimum simultaneously, thereby improve the traction performance of vehicle, straight line operating stability and curve trafficability characteristic, can reduce a linkage suspension device's quality simultaneously, the unsprung mass of bogie, the mass of framework and the quality of whole bogie.
Description of the drawings:
FIG. 1 is a schematic structural view of a primary suspension device for a railway vehicle bogie in embodiment 1;
FIG. 2 is a first schematic view of an axle box structure according to embodiment 1;
FIG. 3 is a schematic view of an axle box structure according to embodiment 1;
FIG. 4 is a schematic view showing the installation of the transverse direction positioning tie bar in embodiment 1;
FIG. 5 is a first schematic view showing the installation of a primary suspension device for a railway vehicle bogie in embodiment 1;
FIG. 6 is a second schematic view of the mounting of a primary suspension for a railway car truck according to embodiment 1;
FIG. 7 is a schematic structural view of a primary suspension device for a railway vehicle bogie in embodiment 2;
FIG. 8 is a schematic view of an axle box structure in embodiment 2;
FIG. 9 is a first schematic view showing the installation of a primary suspension device for a railway vehicle truck according to embodiment 2;
FIG. 10 is a second schematic view of the mounting of a primary suspension for a railway car truck according to embodiment 2;
fig. 11 is a schematic structural view of a transverse positioning pull rod or a longitudinal positioning pull rod.
The labels in the figure are: 1-axle box, 11-spring component mounting seat, 12-vertical shock absorber mounting seat I, 13-transverse positioning pull rod mounting seat I, 14-longitudinal positioning pull rod mounting seat I, 2-spring component, 3-longitudinal positioning pull rod, 4-vertical shock absorber, 5-end cover, 6-bearing, 7-transverse positioning pull rod, 41-pull rod body, 72-spherical hinge, 8-side beam, 81-transverse positioning pull rod mounting seat II, 82-vertical shock absorber mounting seat II and 9-longitudinal positioning pull rod mounting seat II.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
As shown in fig. 1, the primary suspension device of the rail vehicle of the present invention comprises a vertically disposed spring member 2, a longitudinally disposed longitudinal positioning rod 3 and a laterally disposed lateral positioning rod 7, wherein the spring member 2 comprises two sets of elastic elements disposed on the top of the axle box 1, the longitudinally disposed longitudinal positioning rod 3 is provided with two sets, the vertical directions of the two sets of longitudinal positioning rods are symmetrical about the center of the bearing 5, one of the longitudinal positioning rods is higher than the other, the higher longitudinal positioning rod 3 is connected with the end of the side beam 8, and the lower longitudinal positioning rod 3 is connected with the middle of the side beam 8; the two groups of longitudinal positioning pull rods 3 are longitudinally arranged, the distance between one longitudinal positioning pull rod 3 and the end cover 5 is greater than that between the other longitudinal positioning pull rod 3 and the end cover 5, but the transverse distances between the two longitudinal positioning pull rods 3 and the center of the bearing 5 are equal, namely the transverse distances are symmetrical about the center of the bearing 5; the transverse positioning pull rod 7 comprises a group of single pull rods which are transversely arranged, the transverse positioning pull rod 7 is arranged in the center of the top of the axle box 1, and the center line of the transverse positioning pull rod 7 is right above the center line of the bearing; the axle box 1 is further provided with a vertical shock absorber 4, an end cover 5 and a bearing 6, the vertical shock absorber 4 provides damping of the whole primary suspension device, the vertical suspension, longitudinal positioning, transverse positioning and vertical damping of the primary suspension device can be achieved by adopting the device through independent components, and suspension parameters of the primary suspension device in all directions can be guaranteed to be more accurate and reliable.
Adopt a rail vehicle primary suspension device, two longitudinal location pull rods 3's effect is the longitudinal location who provides a suspension device, the longitudinal force between transmission axle box 1 and the curb girder 8. The two longitudinal positioning rods 3 are arranged in a high-low mode, namely, are vertically offset from the center of the axle box 1, and the distance between one longitudinal positioning rod 3 and the end cover 5 is larger than that between the other longitudinal positioning rod 3 and the end cover 5, namely, the longitudinal positioning rods are horizontally offset from the center of the axle box 1.
The purpose of the vertical offset of the two longitudinal positioning pull rods 3 is to enable the two longitudinal positioning pull rods 3 to have a certain vertical distance relative to the center of the axle box 1, on one hand, the longitudinal force of the two longitudinal positioning pull rods 3 can form torque when the axle box 1 is subjected to the longitudinal force, the torque is balanced with the torque applied to the axle box 1 by the vertical shock absorber 4, the rotation of the axle box 1 can be effectively inhibited, the stability of a primary suspension device is ensured, and meanwhile, because the end parts of the side beam 8 of the bogie are high and the middle part of the side beam 8 of the bogie is low, the structure of the side beam 8 can be well matched by adopting the vertical arrangement mode, and the design of the longitudinal positioning pull rod mounting seats two 9 on the side beam 8 is convenient. On the other hand, the two groups of longitudinal positioning pull rods 3 are offset up and down, and one longitudinal positioning pull rod 3 is positioned at the bottom of the axle box 1, so that the distance between the axle box 1 and the middle part of the side beam 8 can be effectively reduced, the bogie can adopt a smaller wheelbase, and the mass of the side beam 8 and the mass of the corresponding bogie can be further reduced.
Adopt rail vehicle primary suspension device, arrange in the transverse orientation pull rod 7 at axle box 1 top, one end is connected in transverse orientation pull rod mount pad 13 on axle box 1, one end is connected in transverse orientation pull rod mount pad two 81 on curb girder 8. The transverse positioning pull rod 7 is characterized by comprising a pull rod body 71 and two spherical hinges 72 with certain rigidity, and the transverse rigidity of a primary suspension device only depends on the rigidity of the two spherical hinges 72, so that the transverse positioning pull rod 7 independently provides transverse positioning of the primary suspension device, different transverse rigidities of the primary suspension device can be ensured only by adjusting the rigidity of the two spherical hinges 72, and the transverse positioning pull rod has the characteristic of easy rigidity adjustment; the height of one end of the transverse positioning pull rod 7 connected to the axle box 1 is lower than that of one end of the side beam 8, and the arrangement mode enables the first transverse positioning pull rod mounting seat 13 and the second transverse positioning pull rod mounting seat 81 not to be too long, so that the cantilever length of the mounting seat is shorter, the mounting seat is better in stress, meanwhile, a series of suspension devices can meet the requirement of poor empty and heavy vehicles, and the transverse positioning pull rod 7 is enabled not to interfere with the axle box 1 under the condition of heavy vehicles.
Adopt rail vehicle primary suspension device, longitudinal register pull rod 3 and transverse orientation pull rod 7 all adopt simple structure and the light single pull rod location of quality, can reduce the unsprung mass of bogie and primary suspension device's quality, and then reduce the quality of curb girder 8 and whole bogie, be favorable to the bogie to realize the lightweight.
Adopt rail vehicle primary suspension device, arrange two sets of spring unit 2 on axle box 1 and adopt the steel spring structure, make one vertical amount of deflection great, rigidity is less, enables to have certain movement amount of deflection between curb girder 8 and the end cover, can alleviate the impact between curb girder 8 and the end cover, vertical shock absorber 4 arrange in axle box 1 lateral wall and the certain lateral distance in skew axle box 1 center have avoided interfering with spring unit 2 and longitudinal positioning pull rod 3, make the use in primary suspension device space more reasonable, spring unit 2 uses with vertical shock absorber 4 cooperation, can play the effect of buffering damping, guarantees the stability and the stationarity of vehicle operation.
Therefore, adopt a rail vehicle's primary suspension device, can realize primary suspension device's vertical suspension, longitudinal positioning, transverse location and vertical damping are realized by independent part respectively, make the rigidity of all directions all easily adjust, can guarantee that the suspension parameter of primary suspension device each direction is more accurate, reliable, can realize the independent design of primary suspension device each direction location rigidity, make primary suspension device each direction rigidity can reach the optimum simultaneously, thereby improve the traction performance of vehicle, straight line operating stability and curve trafficability characteristic, can reduce primary suspension device's quality simultaneously, the unsprung mass of bogie, the quality of framework and the quality of whole bogie.
Example 2
A primary suspension system for a railway vehicle according to the present embodiment has substantially the same structure as that of embodiment 1, except that, as shown in fig. 7, the spring members 2 are disposed on both side walls of the axle box 1 to reduce the center of gravity of the primary suspension system, and thus the center of gravity of the frame and the bogie, and the vertical damper mount 12 and the spring member mount 11 are integrally formed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022925748.6U CN214356027U (en) | 2020-12-07 | 2020-12-07 | Primary suspension device for railway vehicle bogie |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022925748.6U CN214356027U (en) | 2020-12-07 | 2020-12-07 | Primary suspension device for railway vehicle bogie |
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| CN214356027U true CN214356027U (en) | 2021-10-08 |
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| CN202022925748.6U Active CN214356027U (en) | 2020-12-07 | 2020-12-07 | Primary suspension device for railway vehicle bogie |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356866A (en) * | 2020-12-07 | 2021-02-12 | 西南交通大学 | Primary suspension device for railway vehicle bogie |
| CN114248815A (en) * | 2022-01-17 | 2022-03-29 | 西南交通大学 | A rail vehicle bogie with double axle box suspension and permanent magnet direct drive motor |
-
2020
- 2020-12-07 CN CN202022925748.6U patent/CN214356027U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356866A (en) * | 2020-12-07 | 2021-02-12 | 西南交通大学 | Primary suspension device for railway vehicle bogie |
| CN112356866B (en) * | 2020-12-07 | 2024-07-23 | 西南交通大学 | Primary suspension device for railway vehicle bogie |
| CN114248815A (en) * | 2022-01-17 | 2022-03-29 | 西南交通大学 | A rail vehicle bogie with double axle box suspension and permanent magnet direct drive motor |
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