CN201472404U - Single stage suspension structure of rail car - Google Patents
Single stage suspension structure of rail car Download PDFInfo
- Publication number
- CN201472404U CN201472404U CN2009201700509U CN200920170050U CN201472404U CN 201472404 U CN201472404 U CN 201472404U CN 2009201700509 U CN2009201700509 U CN 2009201700509U CN 200920170050 U CN200920170050 U CN 200920170050U CN 201472404 U CN201472404 U CN 201472404U
- Authority
- CN
- China
- Prior art keywords
- spring
- box body
- axle box
- suspension structure
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 241000270295 Serpentes Species 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Landscapes
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
The utility model discloses a single stage suspension structure of a rail car, which is improved to be a novel axle box positioning structure with structural distribution improvement and reasonable suspension parameter matching, thereby effectively reducing the wheeltrack abrasion, inhibiting the snake motion and side rolling motion of a bogie, and realizing the steady operation and stability under the premise of increasing the critical speed of car operation. The structure is arranged between an axle box body and the vertical direction of a bogie frame, a steel spring and a laminated rubber spring are respectively arranged along the two sides of the vertical center line of the axle box body, the steel spring adopts single-set double-ring spiral steel round spring, and a vertical oil damper is arranged between the outer side end of the axle box body and the bogie frame. The combined positioning manner of the steel spring and the rubber spring requires no positioning rubber joints, flexible fulcrums, and vertical stops, therefore, the structure is simple, and the matching of the rigidities on the vertical direction, the cross direction, and the longitudinal direction is appropriate.
Description
Technical Field
The utility model discloses a to current primary suspension's improvement, the safety and stability who is particularly useful for high-speed rail vehicle moves, belongs to the machine-building field.
Background
At present, the running speed per hour of domestic rail transit reaches 300 kilometers and above, and higher requirements are provided for the bearing structure and the applicability design of a bogie in order to meet the running stability and comfort performance of high-speed rail vehicles.
Railway car trucks are rigid structures that impart vertical, lateral and longitudinal positioning to wheel sets and frames through a series of suspension structures and axle boxes. In order to increase the critical speed of the rail vehicle and to ensure smooth and stable performance at high speed operation, a series of axle box positioning devices must have a large lateral and longitudinal stiffness and provide a vertical stiffness suitable for deflection. Meanwhile, the requirement of meeting the vehicle line condition and ensuring enough operating space under the vehicle to improve maintainability is also met, and the working state of a series of axle box positioning devices is also strictly limited.
The prior application, application number ZL200820052861.4, entitled primary suspension structure, mainly includes an axle box, the axle box is mounted on the mounting seat of the bogie frame through a rocker arm positioning seat, two sides of the central line of the axle box are respectively provided with a series of springs and rocker arm positioning rubber joints for positioning, a vertical oil pressure damper is mounted between the outer end of the axle box and the bogie frame, and a vertical stopper is arranged between the top of the axle box and the side beam of the bogie frame.
In combination with the prior patent applications, the axle box positioning modes of the existing bogies used in the domestic metro vehicles and the urban light rails are usually pull plate type, positioning rotating arm type, double pull rod type or laminated rubber spring type.
When the positioning modes are applied to high-speed railway vehicles, the problems of large vertical rigidity and relatively high structural layout of side beams exist, so that large vibration is easily generated during high-speed running, and the requirements on the mechanical strength of the axle box body and the bogie frame are high. At the same time, it also results in under-vehicle space tension, poor accessibility for maintenance and repair.
SUMMERY OF THE UTILITY MODEL
Rail vehicle primary suspension structure, its design aim at solve above-mentioned problem and improve for a distribution structure optimization, hang the reasonable novel axle box location structure of parameter matching to reduce wheel rail wearing and tearing, restrain bogie snaking and side rolling motion effectively, realize operating steadily and stability can improving under the prerequisite of vehicle operation critical speed.
In order to achieve the design purpose, the primary suspension structure of the railway vehicle is arranged between the axle box body and the vertical direction of the bogie frame. The difference from the prior art is that,
a steel spring and a laminated rubber spring are respectively arranged along two sides of the vertical central line of the shaft box body. The steel spring is a single-group double-circle spiral steel round spring.
According to the basic scheme, a positioning mode of combining a steel spring and a rubber spring is adopted between the axle box body and the bogie frame, and the axle box positioning mode combines the advantages of a rotating arm type positioning mode and a laminated rubber spring mode.
The positioning mode that steel spring and rubber spring combined together need not to dispose location rubber joint, elastic support and vertical stop, and the structure is comparatively simple, but is comparatively suitable in the matching of vertical, horizontal and vertical rigidity.
The optimized selection scheme is that the steel spring is connected between the outer side end of the axle box body and the bogie frame. Accordingly, a laminated rubber spring is disposed between the inboard end of the axle housing and the truck frame.
In order to improve the rigidity adjustment of the steel spring to the bogie frame in the high-speed running state, the steel spring is clamped between the upper spring clamping plate and the lower spring clamping plate in the vertical direction.
The upper spring clamping plate is installed on the lower portion of the bogie frame through a bolt, and a rubber pad is arranged between the lower spring clamping plate and the positioning groove of the axle box body in a lining mode.
In order to further improve the vertical rigidity parameter, the rubber pad is an integral elastic component which is formed by vulcanizing a steel plate and a rubber layer.
To cope with spring wear over time, a spring shim is lined between the spring top plate and the steel spring.
The optimized improvement scheme aiming at the laminated rubber spring can be that the bottom of the laminated rubber spring is in threaded connection with and positioned in the mounting groove of the axle box body.
In addition, in the vertical direction, the positioning bolt penetrates through the laminated rubber spring upwards and is connected to the lower part of the bogie frame. And a baffle plate and a spacing sleeve are arranged between the positioning bolt and the bottom end of the laminated rubber spring.
A vertical oil pressure shock absorber is arranged between the outer side end of the axle box body and the bogie frame so as to attenuate vertical vibration of the bogie frame in the high-speed operation process.
To sum up, the utility model discloses rail vehicle primary suspension structure has following advantage and beneficial effect:
1. the positioning mode combining the steel spring and the laminated rubber spring is adopted, the characteristics of robustness, high energy storage speed, long service life and high longitudinal and transverse stiffness of the laminated rubber spring of the steel spring are fully utilized, and the requirement of high-speed running of the railway vehicle can be fully met.
2. The double-coil spiral steel round spring is adopted, the use states of the railway vehicle under empty and heavy vehicles can be considered, the working height of the lower spring is ensured, and the design requirement of the lower side beam is met.
3. The adopted rubber pad composition is arranged between the axle box body and the steel spring, so that the longitudinal, transverse and vertical rigidity of the axle box positioning device can be provided, the low-frequency vibration of the wheel pair during operation is attenuated, and the stability and the stationarity of the bogie during high-speed operation are ensured. Meanwhile, the stress level of the steel spring is reduced, and the fatigue life of the steel spring is prolonged.
4. The laminated rubber spring with adjustable longitudinal stiffness and transverse stiffness is adopted, so that higher longitudinal stiffness and transverse stiffness of the axle box are realized, the critical speed of the bogie is increased, and the first series of bearing weight is reasonably distributed, so that the stress level of the steel spring is reduced, and the fatigue damage of the steel spring is avoided.
5. The primary suspension structure can improve the longitudinal rigidity and the transverse rigidity of the axle box body and ensure the realization of smaller vertical rigidity. And enough operable space under the bogie can be ensured, and the bogie is applied to single-weight, two-axis or multi-axis bogies.
Drawings
The invention will now be further described with reference to the following drawings.
FIG. 1 is a schematic view of a primary suspension structure of the railway vehicle;
FIG. 2 is an enlarged cross-sectional schematic view of the steel spring;
FIG. 3 is an enlarged cross-sectional schematic view of the laminated rubber spring;
as shown in fig. 1 to 3, a bogie frame 1, an upper spring clamp 2, a spring washer 3, a steel spring 4, a bolt 5, a lower spring clamp 6, a rubber pad assembly 7, an axle box 8, a spacer 9, a baffle 10, a laminated rubber spring 11, a positioning bolt 12, a vertical oil pressure damper 13 and a mounting groove 14.
Detailed Description
Embodiment 1, as shown in fig. 1 to 3, the railway vehicle primary suspension structure is disposed between the axle box 8 and the vertical direction of the bogie frame 1. Wherein,
a steel spring 4 and a laminated rubber spring 11 are respectively arranged along two sides of the vertical central line of the shaft box body 8.
The steel spring 4 is a single set of double coil steel round springs connected between the outboard end of the axle housing 8 and the bogie frame 1.
In the vertical direction, the steel spring 4 is clamped between the upper spring clamping plate 2 and the lower spring clamping plate 6. The spring top plate 2 is mounted to the lower portion of the bogie frame 1 by bolts 5, and a spring washer 3 is lined between the spring top plate 2 and the steel spring 4.
A rubber pad assembly 7 is lined between the lower spring clamping plate 6 and the positioning groove of the shaft box body 8, and the rubber pad assembly 7 is an integral elastic component which is formed by vulcanizing a steel plate and a rubber layer.
The series structure among the axle box body 8, the steel spring 4 and the bogie frame 1 can effectively attenuate high-frequency vibration and impact of high-speed running of the vehicle, effectively reduce the stress level of the steel spring 4, realize insulation of the bogie frame 1 and the axle box body 8, and ensure stability and stability of high-speed running of the rail vehicle.
The bottom of the laminated rubber spring 11 is screwed and positioned in a mounting groove 14 of the axle box body 8.
In the vertical direction, a positioning bolt 12 penetrates the laminated rubber spring 11 upward and is attached to the lower portion of the bogie frame 1. A baffle plate 10 and a spacer 9 are arranged between the positioning bolt 12 and the bottom end of the laminated rubber spring 11 so as to facilitate lifting and cushioning adjustment.
A vertical hydraulic damper 13 is provided between the outer end of the axle box 8 and the bogie frame 1.
The laminated rubber spring 11 can provide larger longitudinal and transverse stiffness, and the critical speed of vehicle running is improved, so that the aim of accelerating is fulfilled.
A vertical damper 13 is also provided between the axle housing 8 and the frame 1.
Although the invention has been described above with reference to a specific preferred embodiment, it is to be understood that within the scope of the described design concept, many variations exist and should not be limited to the described embodiment.
Claims (8)
1. A primary suspension structure of a railway vehicle is arranged between the vertical directions of an axle box body (8) and a bogie frame (1), and is characterized in that: a steel spring (4) and a laminated rubber spring (11) are respectively arranged along two sides of the vertical central line of the shaft box body (8);
the steel spring (4) is a single-group double-coil spiral steel round spring.
2. The rail vehicle primary suspension structure according to claim 1, wherein: the steel spring (4) is connected between the outer side end of the axle box body (8) and the bogie frame (1).
3. The rail vehicle primary suspension structure according to claim 1 or 2, characterized in that: in the vertical direction, the steel spring (4) is clamped and installed between the upper spring clamping plate (2) and the lower spring clamping plate (6);
the spring upper clamping plate (2) is arranged at the lower part of the bogie frame (1) through a bolt (5),
a rubber pad assembly (7) is padded between the lower spring clamp plate (6) and the positioning groove of the shaft box body (8).
4. The rail vehicle primary suspension structure according to claim 3, wherein: the rubber pad component (7) is an integral elastic component which is formed by vulcanizing a steel plate and a rubber layer.
5. The rail vehicle primary suspension structure according to claim 4, wherein: a spring washer (3) is padded between the upper spring clamping plate (2) and the steel spring (4).
6. The rail vehicle primary suspension structure according to claim 1 or 2, characterized in that: the bottom of the laminated rubber spring (11) is positioned in a mounting groove (14) of the axle box body (8) in a threaded manner.
7. The rail vehicle primary suspension structure according to claim 6, wherein: in the vertical direction, a positioning bolt (12) upwards penetrates through the laminated rubber spring (11) and is connected to the lower part of the bogie frame (1);
a baffle plate (10) and a spacer sleeve (9) are arranged between the positioning bolt (12) and the bottom end of the laminated rubber spring (11).
8. The rail vehicle primary suspension structure according to claim 7, wherein: a vertical oil pressure damper (13) is arranged between the outer side end of the axle box body (8) and the bogie frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201700509U CN201472404U (en) | 2009-08-11 | 2009-08-11 | Single stage suspension structure of rail car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201700509U CN201472404U (en) | 2009-08-11 | 2009-08-11 | Single stage suspension structure of rail car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201472404U true CN201472404U (en) | 2010-05-19 |
Family
ID=42408647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201700509U Expired - Lifetime CN201472404U (en) | 2009-08-11 | 2009-08-11 | Single stage suspension structure of rail car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201472404U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673595A (en) * | 2011-03-10 | 2012-09-19 | 南车青岛四方机车车辆股份有限公司 | Steering frame and method for positioning composite axle boxes |
| CN102673596A (en) * | 2011-03-10 | 2012-09-19 | 南车青岛四方机车车辆股份有限公司 | Composite axle box positioning device and processing and assembling method thereof |
| CN103764475A (en) * | 2011-08-30 | 2014-04-30 | 奥地利西门子公司 | Spring lock for secondary spring |
| CN104163180A (en) * | 2014-06-26 | 2014-11-26 | 南车长江车辆有限公司 | Rail wagon bogie single-stage shaft housing hanging and positioning device |
| CN106476836A (en) * | 2015-08-28 | 2017-03-08 | 株洲时代新材料科技股份有限公司 | A kind of method preventing steel spring fracture and the vertical backstop of concave shaped |
| CN106706348A (en) * | 2017-01-09 | 2017-05-24 | 西南交通大学 | Comprehensive performance test bed for suspension system |
| CN107628054A (en) * | 2017-09-06 | 2018-01-26 | 中车长春轨道客车股份有限公司 | Arrangement three-dimensional decoupling type single stage suspension composition in the same direction |
| CN108045394A (en) * | 2017-12-08 | 2018-05-18 | 中车大连机车车辆有限公司 | The quasi- pivoted arm single stage suspension of rail vehicle and axle-box positioning device |
| CN109436006A (en) * | 2018-12-13 | 2019-03-08 | 中车长春轨道客车股份有限公司 | Rail truck single stage suspension structure and bogie with the single stage suspension structure |
| CN112660197A (en) * | 2021-01-04 | 2021-04-16 | 中车株洲电力机车有限公司 | Cushion adding tool and cushion adding method for built-in primary suspension device |
| CN113085937A (en) * | 2021-04-23 | 2021-07-09 | 西南交通大学 | Positioning device for primary axle box of rail transit vehicle |
| CN115649217A (en) * | 2022-12-21 | 2023-01-31 | 济南工程职业技术学院 | Railway vehicle, bogie and primary spring suspension device thereof |
| WO2023083489A1 (en) * | 2021-11-10 | 2023-05-19 | Caterpillar Energy Solutions Gmbh | Damper, damping assembly, gas generator, assembly, and disassembly method |
-
2009
- 2009-08-11 CN CN2009201700509U patent/CN201472404U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673596A (en) * | 2011-03-10 | 2012-09-19 | 南车青岛四方机车车辆股份有限公司 | Composite axle box positioning device and processing and assembling method thereof |
| CN102673595A (en) * | 2011-03-10 | 2012-09-19 | 南车青岛四方机车车辆股份有限公司 | Steering frame and method for positioning composite axle boxes |
| US10279820B2 (en) | 2011-08-30 | 2019-05-07 | Siemens Ag Oesterreich | Spring lock for secondary spring |
| CN103764475A (en) * | 2011-08-30 | 2014-04-30 | 奥地利西门子公司 | Spring lock for secondary spring |
| CN104163180A (en) * | 2014-06-26 | 2014-11-26 | 南车长江车辆有限公司 | Rail wagon bogie single-stage shaft housing hanging and positioning device |
| CN106476836A (en) * | 2015-08-28 | 2017-03-08 | 株洲时代新材料科技股份有限公司 | A kind of method preventing steel spring fracture and the vertical backstop of concave shaped |
| CN106706348A (en) * | 2017-01-09 | 2017-05-24 | 西南交通大学 | Comprehensive performance test bed for suspension system |
| CN107628054A (en) * | 2017-09-06 | 2018-01-26 | 中车长春轨道客车股份有限公司 | Arrangement three-dimensional decoupling type single stage suspension composition in the same direction |
| CN108045394A (en) * | 2017-12-08 | 2018-05-18 | 中车大连机车车辆有限公司 | The quasi- pivoted arm single stage suspension of rail vehicle and axle-box positioning device |
| CN109436006A (en) * | 2018-12-13 | 2019-03-08 | 中车长春轨道客车股份有限公司 | Rail truck single stage suspension structure and bogie with the single stage suspension structure |
| CN112660197A (en) * | 2021-01-04 | 2021-04-16 | 中车株洲电力机车有限公司 | Cushion adding tool and cushion adding method for built-in primary suspension device |
| CN112660197B (en) * | 2021-01-04 | 2023-10-13 | 中车株洲电力机车有限公司 | Cushion adding tool and cushion adding method for built-in primary suspension device |
| CN113085937A (en) * | 2021-04-23 | 2021-07-09 | 西南交通大学 | Positioning device for primary axle box of rail transit vehicle |
| WO2023083489A1 (en) * | 2021-11-10 | 2023-05-19 | Caterpillar Energy Solutions Gmbh | Damper, damping assembly, gas generator, assembly, and disassembly method |
| GB2612789B (en) * | 2021-11-10 | 2024-05-08 | Caterpillar Energy Solutions Gmbh | Damper, damping assembly, gas generator, assembly, and disassembly method |
| CN115649217A (en) * | 2022-12-21 | 2023-01-31 | 济南工程职业技术学院 | Railway vehicle, bogie and primary spring suspension device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201472404U (en) | Single stage suspension structure of rail car | |
| CN105857332B (en) | A kind of band 100% floor tramcar bogie of bolster | |
| CN104554324B (en) | A kind of monoblock type framework and bogie | |
| CN108639089B (en) | Bogie of railway vehicle | |
| CN101823492A (en) | Triaxial bogie for 160km/h wide-rail passenger electric express locomotive | |
| CN103523037A (en) | Track vehicle steering frame | |
| CN104859670A (en) | Bogie for mounting traction motor in flexible suspending manner | |
| CN201472406U (en) | Composite axle box positioning device for railway vehicle | |
| CN103496378A (en) | Bogie frame and side beam thereof | |
| CN102530005A (en) | Four-shaft locomotive steering frame arranged under shaft box | |
| CN112356871A (en) | Bogie for inner axle box of railway vehicle | |
| CN101823494A (en) | Type B metro bogie of 120km/h speed rating | |
| CN201198319Y (en) | Light weight high speed bogie without swing bolster | |
| CN103661463A (en) | High speed railway wagon bogie | |
| CN111559404A (en) | Bogie for engineering truck and engineering truck | |
| CN203005450U (en) | Large-axle-weight bogie tumbler type axle box locating device | |
| CN111959550A (en) | Framework and bogie thereof | |
| CN203593001U (en) | High-speed railway wagon bogie | |
| CN110667635A (en) | Built-in bogie frame of axle box | |
| CN203543988U (en) | Bogie framework and side beam thereof | |
| CN103101542A (en) | Elastic joint structure suitable for cantilever-type flexible suspension of CRH (China railway high-speed) train traction motor | |
| CN205706688U (en) | A kind of low-floor articulated track vehicle bogie suspension traction apparatus | |
| CN201592938U (en) | Elevator car shock absorbing device | |
| CN214356039U (en) | Novel framework for axle box bogie in railway vehicle | |
| CN201619580U (en) | 160 km/h broad-gauge high-speed three-axle bogie for passenger electric locomotive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: 266111 Qingdao, Chengyang District, Shandong Province town of Hong Hu spines Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
|
| CX01 | Expiry of patent term |