CN201214426Y - Central beam type traction device - Google Patents
Central beam type traction device Download PDFInfo
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- CN201214426Y CN201214426Y CNU2008200050744U CN200820005074U CN201214426Y CN 201214426 Y CN201214426 Y CN 201214426Y CN U2008200050744 U CNU2008200050744 U CN U2008200050744U CN 200820005074 U CN200820005074 U CN 200820005074U CN 201214426 Y CN201214426 Y CN 201214426Y
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- pull rod
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- cross beam
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- 239000000872 buffer Substances 0.000 claims description 14
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 5
- 241001397809 Hakea leucoptera Species 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
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Abstract
The utility model relates to a central cross beam type traction device which substitutes the prior bolster transmission structure, can effectively reduce the overall mass of a bogie and simplify a traction structure for the convenience of overhaul, reduce the energy consumption in the longitudinal traction force transmission, and control and reduce the operation noise. The traction device is provided with a central cross beam used to connect the side beams of frames on both sides. The side of the central cross beam is provided with a longitudinal tension rod seat used to connect a longitudinal traction rod; the longitudinal traction rod is connected with a linear motor. The central cross beam is provided with a traction rod seat used to connect the traction rod; and the traction rod is connected with a traction beam. Central pins which are connected with a vehicle respectively go through and connect the traction beam and the central cross beam. The linear motor directly transmits the longitudinal traction force to the central cross beam through the longitudinal traction rod, and then to the traction beam through the traction rod, and the traction beam transmits the traction force to the vehicle through the central pins, so that the linear motor drives the vehicle to move.
Description
Technical Field
The utility model relates to a draw gear for rail vehicle bogie belongs to the machine-building field.
Background
At present, a linear motor bogie applied to a railway vehicle generally adopts a swing bolster structure to transfer longitudinal traction force transferred from a linear motor to a vehicle body. The traction force of the linear motor is transmitted to the framework through the longitudinal traction rod, then transmitted to the swing bolster through the traction rod and then transmitted to the vehicle body through the center pin.
The braking force is transmitted to the frame by the wheel pair, then transmitted to the swing bolster and then transmitted to the vehicle body through the center pin. A
Because the quality of the bogie is larger, the bogie structure adopting the swing bolster traction mode is also more complex, thereby bringing the complexity of the component maintenance process and simultaneously increasing the energy consumption in the longitudinal traction force transmission process. Particularly, when the vehicle runs at a high speed, the noise of parts between the traction devices is large, and the comfort of passengers riding the rail vehicle is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel central crossbeam formula draw gear to solve above-mentioned problem and defect. The central cross beam type traction device replaces the existing swing bolster transmission structure, can effectively reduce the whole quality of the bogie, simplify the traction structure so as to be convenient for maintenance, can reduce the energy consumption in the longitudinal traction transmission process, and controls and reduces the generation of operation noise.
Another design objective is to reduce axle weight transfer and improve adhesion utilization by using a center cross beam type dual drawbar configuration, thereby reliably transferring longitudinal traction and braking forces and facilitating relative motion between the vehicle body and the truck.
In order to achieve the design purpose, the central cross beam type traction device is provided with a central cross beam which is connected with the side beams of the two side frames.
And a longitudinal draw bar seat used for connecting a longitudinal draw bar is arranged at the side part of the central beam, and the longitudinal draw bar is connected with the linear motor.
The central beam is provided with a traction pull rod seat used for connecting a traction pull rod, and the traction pull rod is connected with a traction beam.
And a center pin which is connected with the vehicle body upwards and is respectively connected with the traction beam and the center cross beam in a penetrating way.
According to the technical characteristics, the linear motor directly transmits longitudinal traction to the central cross beam through the longitudinal traction rod, then the longitudinal traction is transmitted to the traction beam through the traction pull rod, and then the traction beam transmits the longitudinal traction to the vehicle body through the central pin, so that the purpose that the linear motor drives the vehicle body is achieved.
In order to improve the reliability of transmitting longitudinal traction force and braking force at the same time, a further improvement is that,
the number of the traction pull rod seats is 2, and the 2 traction pull rods connected with the traction pull rod seats are connected with the 2 traction pull rod seats at the end part of the traction beam respectively to form a Z-shaped plane structure.
In order to buffer the collision between the center pin and the center cross beam, a refinement may be adopted in which 2 lateral buffer seats for mounting lateral buffers are provided in the center of the center cross beam, and the lateral buffers clamp and fasten the center pin.
The transverse buffer can limit the excessive transverse movement of the vehicle body during running (especially high-speed running on a curved track), and can provide nonlinear increasing restoring force.
In order to buffer the collision between the vehicle body and the bogie, 2 transverse shock absorber seats for mounting 2 transverse oil pressure shock absorbers are arranged at the end part of the traction beam, and the 2 transverse oil pressure shock absorbers are respectively connected with a bogie frame;
a center pin sleeve for connecting a center pin is arranged in the center of the traction beam.
The center pin bushing between the center pin and the draft sill is connected to the frame through a lateral damper to provide vibration damping for improved lateral vibration performance.
And the lower end of the center pin is fixedly connected below the center cross beam through a blocking plate and a bolt.
In order to improve the rotation and the buffering between each connection structure, the improvement scheme of the traction part is as follows:
the longitudinal traction rod is provided with a pull rod body, and the end part of the pull rod body is provided with a traction joint formed by combining metal and rubber.
And two ends of the central cross beam are connected with the bogie frame through elastic nodes.
The traction pull rod is provided with a pull rod body, and two ends of the pull rod body are respectively connected with the central beam and the traction beam through traction nodes.
The relative displacement of the vehicle body and the bogie can be realized by the rotation of the traction pull rod, and rubber nodes are arranged at two ends of the traction pull rod, so that the traction pull rod can rotate relative to the pull rod seat.
In summary, the center cross beam type traction device has the advantages that:
1. the central beam type traction device is used for replacing the existing swing bolster transmission structure, the number of traction components can be effectively simplified, the integral quality of the bogie is reduced, and the simplified traction structure is convenient to overhaul.
2. The energy consumption during the transfer of the longitudinal traction can be reduced.
3. The generation of running noise is controlled and reduced, and the comfort of passengers riding the rail vehicle is improved.
4. The structure of the Z-shaped double traction pull rod can reduce the axle weight transfer and improve the adhesion utilization rate, thereby reliably transmitting longitudinal traction force and braking force and being beneficial to the relative motion between the vehicle body and the bogie.
Drawings
The invention will now be further described with reference to the following drawings,
FIG. 1 is a schematic three-dimensional isometric view of a center beam type draft gear;
FIG. 2 is a schematic view of the connection of the central beam to the linear motor (the linear motor is not shown in the figures);
FIG. 3 is a schematic view of the connection of the center sill and the draft sill;
FIG. 4 is a cross-sectional view of the connection of the trailing beam and the center pin;
FIG. 5 is a schematic view of a longitudinal tow bar;
FIG. 6 is a schematic view of a drag link;
as shown in fig. 1 to 6, the traction mechanism comprises a center pin 1, a traction beam 2, a longitudinal traction rod 3, a traction pull rod 4, a center cross beam 5, a transverse oil pressure damper 6, a traction pull rod seat 7, a longitudinal pull rod seat 8, a transverse buffer seat 9, an elastic node 10, a transverse buffer 12, a traction node 13, a center pin sleeve 14, a pull rod body 15, a traction joint 16 and a pull rod body 17.
Detailed Description
the two ends of the central beam 5 are connected with the side beams of the bogie frame through elastic joints 10. The elastic node 10 is an integral structure formed by vulcanizing rubber and metal, can provide rigidity required by design, and can relieve the transmission of vibration between the whole traction device and a framework by optimizing longitudinal rigidity.
A longitudinal draw bar seat 8 for connecting the longitudinal draw bar 3 is arranged on the side of the central beam 5. The longitudinal traction rod 3 has a rod body 15, which is connected to the linear motor via a traction joint 16 made of metal and rubber at its end.
The central beam 5 is provided with a traction pull rod seat 7 on the traction pull rod 2 for connecting the traction pull rod 4.
The drag link 4 has a link body 17, the two ends of which are connected to the central girder 5 and the drag beam 2, respectively, via the drag node 13.
The 2 traction pull rods 4 are respectively connected with the 2 traction pull rod seats at the end part of the traction beam 2 to form a Z-shaped plane structure.
The 2 traction links 4 are zigzag-shaped and can provide the rigidity required by the design to reduce the transmission of vibration between the central beam 5 and the traction beam 2.
A center pin 1 which is connected with the vehicle body upwards and is respectively connected with a traction beam 2 and a center cross beam 5 in a penetrating way.
In the center of the central beam 5, 2 transverse damper seats 9 for mounting transverse dampers 12 are provided, the transverse dampers 12 clamping the fastening center pin 1. The lower end of the center pin 1 is fixedly connected below the center cross beam 5 through a blocking plate and a bolt.
The transverse buffer 12 is arranged for limiting the overlarge transverse movement generated during the running of the vehicle body (particularly the high-speed running on a curved track), and in order to avoid the hard impact generated after the vehicle body frequently collides with the buffer or is connected with the vehicle body during the running, the transverse buffer 12 can be designed into a nonlinear characteristic and can complete the transverse movement limitation of the vehicle body together with the transverse rigidity of the air spring. And when the displacement is larger, the restoring force which is increased in a nonlinear way can be provided.
The end part of the traction beam 2 is provided with 2 transverse damper seats for installing 2 transverse oil pressure dampers 6, and the 2 transverse oil pressure dampers 6 are respectively connected with a bogie frame.
The transverse vibration performance is improved by the vibration damping provided by connecting the traction pull rod 4 with the central cross beam 5 and connecting the transverse vibration damper 6 with the framework.
The center of the traction beam 2 is provided with a center pin bush 14 used for connecting the center pin 1, the inner part and the outer part of the center pin bush 14 are both provided with steel sleeves, the middle part is vulcanized rubber, and only horizontal load is transferred, so that the vehicle body can conveniently fall and be lifted.
Through the scheme and the attached drawings, a longitudinal traction rod 3 with a certain length is arranged at the axis position of the linear motor, and the traction rod 3 can longitudinally fix the linear motor and transmit longitudinal traction force and braking force. ]
The two ends of the longitudinal traction rod 3 are provided with the traction joints 16 formed by combining metal and rubber, so that the rigidity optimization required by design can be provided, and the transmission of vibration between the linear motor and the upper structure can be reduced.
Those skilled in the art will appreciate that the center beam traction device described may be used with an articulated truck as well as with a conventional linear motor truck.
For a non-linear motor bogie, longitudinal traction can be realized only by eliminating the longitudinal traction rod 3 in the central cross beam type traction device.
Claims (8)
1. A central beam type traction device is characterized in that: the traction mechanism is provided with a central cross beam (5) connected with side beams of two side frames, a longitudinal draw bar seat (8) used for connecting a longitudinal draw bar (3) is arranged at the side part of the central cross beam (5), and the longitudinal draw bar (3) is connected with a linear motor;
a traction pull rod seat (7) used for connecting a traction pull rod (4) is arranged on the central cross beam (5), and the traction pull rod (4) is connected with a traction beam (2);
a center pin (1) which is connected with the vehicle body upwards and is respectively connected with a traction beam (2) and a center cross beam (5) in a penetrating way.
2. The center beam traction device as defined in claim 1, wherein: the number of the traction pull rod seats (7) is 2, and the 2 traction pull rods (4) are respectively connected with the 2 traction pull rod seats at the end part of the traction beam (2) to form a Z-shaped plane structure.
3. The center rail traction device according to claim 1 or 2, characterized in that: 2 transverse buffer seats (9) for installing transverse buffers (12) are arranged in the center of the central cross beam (5), and the transverse buffers (12) clamp and fasten the central pin (1).
4. The center beam traction device as defined in claim 3, wherein: 2 transverse shock absorber seats for mounting 2 transverse oil pressure shock absorbers (6) are arranged at the end part of the traction beam (2), and the 2 transverse oil pressure shock absorbers (6) are respectively connected with a bogie frame;
a center pin sleeve (14) for connecting a center pin (1) is arranged at the center of the traction beam (2).
5. The center beam traction device as defined in claim 4, wherein: the lower end of the center pin (1) is fixedly connected below the center cross beam (5) through a blocking plate and a bolt.
6. The center beam traction device as defined in claim 4, wherein: the longitudinal traction rod (3) is provided with a pull rod body (15), and the end part of the pull rod body is provided with a traction joint (16) formed by combining metal and rubber.
7. The center beam traction device as defined in claim 6, wherein: two ends of the central beam (5) are connected with the bogie frame through elastic nodes (10).
8. The center beam traction device as defined in claim 7, wherein: the traction pull rod (4) is provided with a pull rod body (17), and two ends of the pull rod body are respectively connected with the central beam (5) and the traction beam (2) through traction nodes (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200050744U CN201214426Y (en) | 2008-04-25 | 2008-04-25 | Central beam type traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200050744U CN201214426Y (en) | 2008-04-25 | 2008-04-25 | Central beam type traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201214426Y true CN201214426Y (en) | 2009-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200050744U Expired - Lifetime CN201214426Y (en) | 2008-04-25 | 2008-04-25 | Central beam type traction device |
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| CN (1) | CN201214426Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966851A (en) * | 2010-07-08 | 2011-02-09 | 株洲时代新材料科技股份有限公司 | Traction method and system for rail transportation |
| CN101565050B (en) * | 2008-04-25 | 2011-04-20 | 南车青岛四方机车车辆股份有限公司 | Central cross beam type traction device |
| CN102407860A (en) * | 2011-09-30 | 2012-04-11 | 南车株洲电力机车有限公司 | Articulated bogie draw gear |
| CN102765402A (en) * | 2012-07-04 | 2012-11-07 | 唐山轨道客车有限责任公司 | Metro bogie |
| CN104477195A (en) * | 2014-11-28 | 2015-04-01 | 南车株洲电力机车有限公司 | Multifunctional compact traction device for center pin |
| CN105197055A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Installation structure of traction rod |
| CN105365839A (en) * | 2015-12-10 | 2016-03-02 | 西南交通大学 | Traction nodding control device used for linking straddle type single-rail single-shaft bogie with vehicle body |
| CN112477613A (en) * | 2019-09-11 | 2021-03-12 | 中车唐山机车车辆有限公司 | Magnetic-levitation train traction device and magnetic-levitation train |
| CN119551026A (en) * | 2024-11-27 | 2025-03-04 | 中车大连机车车辆有限公司 | A traction device for a permanent magnet direct drive axle box with built-in bogie |
| EP4682016A1 (en) * | 2024-07-18 | 2026-01-21 | Siemens Mobility Austria GmbH | Link rod |
-
2008
- 2008-04-25 CN CNU2008200050744U patent/CN201214426Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565050B (en) * | 2008-04-25 | 2011-04-20 | 南车青岛四方机车车辆股份有限公司 | Central cross beam type traction device |
| CN101966851A (en) * | 2010-07-08 | 2011-02-09 | 株洲时代新材料科技股份有限公司 | Traction method and system for rail transportation |
| CN101966851B (en) * | 2010-07-08 | 2013-01-09 | 株洲时代新材料科技股份有限公司 | Traction method and system for rail transportation |
| CN102407860A (en) * | 2011-09-30 | 2012-04-11 | 南车株洲电力机车有限公司 | Articulated bogie draw gear |
| CN102407860B (en) * | 2011-09-30 | 2015-07-29 | 南车株洲电力机车有限公司 | Articulated bogie traction device |
| CN102765402A (en) * | 2012-07-04 | 2012-11-07 | 唐山轨道客车有限责任公司 | Metro bogie |
| CN104477195A (en) * | 2014-11-28 | 2015-04-01 | 南车株洲电力机车有限公司 | Multifunctional compact traction device for center pin |
| CN105197055A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Installation structure of traction rod |
| CN105365839A (en) * | 2015-12-10 | 2016-03-02 | 西南交通大学 | Traction nodding control device used for linking straddle type single-rail single-shaft bogie with vehicle body |
| CN112477613A (en) * | 2019-09-11 | 2021-03-12 | 中车唐山机车车辆有限公司 | Magnetic-levitation train traction device and magnetic-levitation train |
| EP4682016A1 (en) * | 2024-07-18 | 2026-01-21 | Siemens Mobility Austria GmbH | Link rod |
| CN119551026A (en) * | 2024-11-27 | 2025-03-04 | 中车大连机车车辆有限公司 | A traction device for a permanent magnet direct drive axle box with built-in bogie |
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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 |
Owner name: CSR, QINGDAO SIFANG RAILWAY CO., LTD. Free format text: FORMER NAME: CSR SIFANG RAILWAY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Qingdao, Chengyang District, Shandong City, Hong Hu Zhen, zip code: 266111 Patentee after: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. Address before: Qingdao, Chengyang District, Shandong City, Hong Hu Zhen, zip code: 266111 Patentee before: CSR Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090401 Effective date of abandoning: 20080425 |