CN112644539A - Magnetic suspension spring for railway vehicle - Google Patents
Magnetic suspension spring for railway vehicle Download PDFInfo
- Publication number
- CN112644539A CN112644539A CN202110012824.0A CN202110012824A CN112644539A CN 112644539 A CN112644539 A CN 112644539A CN 202110012824 A CN202110012824 A CN 202110012824A CN 112644539 A CN112644539 A CN 112644539A
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- Prior art keywords
- mounting end
- transverse
- vehicle body
- longitudinal
- bogie
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/383—Adjustment controlled by non-mechanical devices, e.g. scanning trackside elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a magnetic suspension spring for a rail vehicle, which comprises: a vehicle body mounting end and a bogie mounting end; the vehicle body mounting end comprises a vehicle body mounting end body, first transverse and longitudinal electromagnet units and an upper vertical actuating coil, wherein the first transverse and longitudinal electromagnet units are uniformly distributed on the vehicle body mounting end body, and the upper vertical actuating coil is arranged on the vehicle body mounting end body; the bogie mounting end comprises a bogie mounting end body, an actuating part, a second transverse and longitudinal electromagnet unit and a lower vertical actuating coil, the second transverse and longitudinal electromagnet unit is uniformly distributed on the actuating part and is matched with the first transverse and longitudinal electromagnet unit for use, and the lower vertical actuating coil is arranged on the bogie mounting end body; sensors are uniformly arranged on the body of the vehicle body mounting end and the body of the bogie mounting end. The magnetic suspension spring is based on electromagnetic force, can suspend the vehicle body to a certain height, realizes multidirectional freedom degree control, adjusts vertical, longitudinal and transverse rigidity, and improves the vibration reduction effect of the railway vehicle and the requirement of passing a curve.
Description
Technical Field
The invention belongs to the field of vibration dampers of railway vehicles, and particularly relates to a magnetic suspension spring for a railway vehicle.
Background
Along with the increasing of the intelligent degree of a high-speed train, the requirement of a vibration damping system of a railway vehicle on the intelligence is higher and higher, the vibration damping system is required to keep a train body at a certain height, the control of multiple degrees of freedom is realized, and the traditional air spring cannot meet the requirement of active control.
For example, patent CN206885059 discloses a combined secondary suspension device for a rail vehicle, which uses a magnetic suspension device to replace a conventional air bag structure with a damping hole therein, and cooperates with a rubber pile to perform a vibration damping and buffering function. However, the arrangement still belongs to the category of passive vibration damping systems, the longitudinal rigidity and the transverse rigidity of the vibration damper are not controllable, and the rigidity cannot be adjusted after the structure is determined.
Therefore, the invention considers to arrange the completely controllable magnetic suspension spring capable of realizing multiple degrees of freedom, so as to avoid the defects of large rigidity fluctuation, easy aging, short service life, high use environment requirement and the like of the traditional air spring.
Disclosure of Invention
The invention provides a magnetic suspension spring for a railway vehicle, aiming at the defect that the traditional air spring can not realize multi-degree-of-freedom control, and based on electromagnetic force, the magnetic suspension spring can realize multi-directional degree-of-freedom control, adjust vertical, longitudinal and transverse rigidity, and improve the vibration reduction effect of the railway vehicle and the requirement of passing a curve.
In order to achieve the above object, the present invention provides a magnetic levitation spring for a railway vehicle, comprising: a vehicle body mounting end and a bogie mounting end;
the vehicle body mounting end comprises a vehicle body mounting end body, a first transverse and longitudinal electromagnet unit and an upper vertical actuating coil;
the first transverse and longitudinal electromagnet units are uniformly distributed on the cylindrical surface of the vehicle body mounting end body, and the action side faces the circle center;
the upper vertical actuating coil is arranged on the vehicle body mounting end body and is connected with an external power supply; the bogie mounting end comprises a bogie mounting end body, an actuating component, a second transverse and longitudinal electromagnet unit and a lower vertical actuating coil;
the actuating component is connected with the bogie mounting end body;
the second transverse and longitudinal electromagnet units are uniformly distributed on the cylindrical surface of the actuating part, the acting side faces the circle center, and the second transverse and longitudinal electromagnet units are matched with the first transverse and longitudinal electromagnet units for use;
the lower vertical actuating coil is arranged on the bogie mounting end body and is connected with an external power supply;
and sensors are uniformly arranged on the vehicle body mounting end body and the bogie mounting end body.
Preferably, the first transverse and longitudinal electromagnet units and the second transverse and longitudinal electromagnet units are paired and arranged into a plurality of groups.
Preferably, the upper vertical actuating coils and the lower vertical actuating coils are paired and arranged into a plurality of groups.
Preferably, the truck-mounting end further comprises:
and a friction plate mounted on the upper part of the actuating member.
Preferably, the truck-mounting end further comprises:
a damping coil, provided as a closed coil, disposed on the bogie mounting end body.
Preferably, the vehicle body mounting end body is assembled and matched with the vehicle body through bolts.
Preferably, the bogie mounting end body is assembled and matched with the bogie through bolts.
Preferably, the actuating member is assembled and matched with the bogie mounting end body through a bolt.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides a magnetic suspension spring for a railway vehicle based on electromagnetic force, which can suspend a vehicle body at a certain height, control multi-directional freedom, adjust vertical, longitudinal and transverse rigidity, and improve the vibration damping effect of the railway vehicle and the requirement of passing a curve. The magnetic suspension spring is characterized in that an upper vertical actuating coil is arranged on a vehicle body mounting end body, a paired lower vertical actuating coil is arranged on a bogie mounting end body, the upper vertical actuating coil and the lower vertical actuating coil are matched with each other for use, when a vehicle moves, the upper vertical actuating coil and the lower vertical actuating coil are electrified, vertical repulsive force is generated between the coils, the vehicle body is suspended for a certain height, and when the weight of the vehicle body is changed, the electromagnetic force is changed by controlling the magnitude of current, so that the constant-height suspension of the vehicle body is realized; meanwhile, the sensors arranged on the body of the vehicle body mounting end and the body of the bogie mounting end can feed back vertical force and displacement in real time. Meanwhile, the body of the vehicle body mounting end is provided with a first transverse and longitudinal electromagnet unit, the actuator part on the bogie mounting end is correspondingly provided with a second transverse and longitudinal electromagnet unit which is matched with the first transverse and longitudinal electromagnet unit, the first transverse and longitudinal electromagnet unit and the second transverse and longitudinal electromagnet unit are matched with each other for use to generate reaction force and control transverse and longitudinal displacement, a corresponding sensor feeds back transverse and longitudinal force and displacement in real time in the whole process, the required current is correspondingly adjusted, and the transverse and longitudinal stability of the vehicle body in the initial state of the vehicle body is kept. The magnetic suspension spring is compact in structure, vertical stiffness, longitudinal stiffness and transverse stiffness can be adjusted in real time, vertical coupling motion, longitudinal coupling motion and transverse coupling motion are achieved, accurate stiffness characteristics can be obtained, and the vibration reduction effect of the railway vehicle is improved.
Drawings
FIG. 1 is a view of the structure of the magnetic suspension spring for a railway vehicle according to the present invention;
wherein: 1-a vehicle body mounting end body, 2-a first transverse and longitudinal electromagnet unit, 3-an upper vertical actuating coil, 4-a second transverse and longitudinal electromagnet unit, 5-an actuating part, 6-a friction plate, 7-a sensor, 8-a damping coil, 9-a lower vertical actuating coil and 10-a bogie mounting end body.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are partial embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
In order to meet the active control requirement of a secondary vibration damping system of a railway vehicle, the invention considers and designs a magnetic suspension spring based on electromagnetic force, and the vibration damping system is required to keep a vehicle body at a certain height, realize the control of multiple degrees of freedom and meet the requirements of large displacement and low rigidity in the longitudinal direction and the transverse direction. In order to meet the requirements, how to arrange the device and the sensor to realize vertical fixed-height suspension of the magnetic suspension spring through electromagnetic force needs to be considered, real-time response is carried out on the load applied to the magnetic suspension spring, and the applied load is kept consistent with the electromagnetic force; how to realize multi-degree-of-freedom control through the device and the sensor.
Therefore, the embodiment provides a magnetic suspension spring based on electromagnetic force to control the multi-directional freedom degree, adjust the vertical, longitudinal and transverse rigidity, and improve the damping effect of the rail vehicle and the requirement of passing a curve. This magnetic suspension spring installs between automobile body and bogie frame, and one end and car connection, the other end are connected with bogie frame, can realize multi freedom active control with the automobile body suspension at a take the altitude, and it includes: the device comprises a vehicle body mounting end and a bogie mounting end, wherein the vehicle body mounting end comprises a vehicle body mounting end body 1, a first transverse and longitudinal electromagnet unit 2 and an upper vertical actuating coil 3; the vehicle body installation end body 1 is assembled and matched with a vehicle body through bolts, the first transverse and longitudinal electromagnet units 2 are uniformly distributed on the cylindrical surface of the vehicle body installation end body 1, and the action side faces the circle center; the upper vertical actuating coil 3 is arranged on the vehicle body mounting end body 1 and is connected with an external power supply. The bogie mounting end comprises a bogie mounting end body 10, an actuating part 5, a second transverse and longitudinal electromagnet unit 4 and a lower vertical actuating coil 9, wherein: the bogie mounting end body 10 is assembled and matched with a bogie through a bolt, and the actuating part 5 is assembled and matched with the bogie mounting end body 10 through a bolt; a plurality of second transverse and longitudinal electromagnet units 4 are uniformly distributed on the side surface of the actuating component 5, and the action sides of the second transverse and longitudinal electromagnet units 4 face the circle center and are matched with the first transverse and longitudinal electromagnet units 2 for use; the lower vertical actuator coil 9 is arranged on the bogie mounting end body 10 and is connected to an external power supply. A plurality of sensors 7 are uniformly arranged on the vehicle body mounting end body 1 and the bogie mounting end body 10 so as to detect force and displacement in real time.
In the embodiment, the first transverse and longitudinal electromagnet units 2 uniformly distributed on the mounting end of the vehicle body and the second transverse and longitudinal electromagnet units 4 uniformly distributed on the mounting end of the bogie are paired and arranged into a plurality of groups, and are used in a paired way to generate a reaction force, control transverse and longitudinal displacement, adjust the current and change the transverse and longitudinal rigidity of the shock absorber; the sensors 7 arranged on the vehicle body mounting end body 1 and the bogie mounting end body 10 feed back transverse and longitudinal forces and displacements in real time to monitor the transverse rigidity and the longitudinal rigidity of the shock absorber. Meanwhile, the upper vertical actuating coils 3 arranged on the vehicle body mounting end and the lower vertical actuating coils 9 arranged on the bogie mounting end are also paired and arranged into a plurality of groups, and are matched with each other for use to generate vertical repulsive force to suspend the vehicle body; the sensors 7 arranged on the vehicle body mounting end body 1 and the bogie mounting end body 10 feed back vertical force and displacement in real time.
The automobile body installation end and the car connection of magnetic suspension spring in this embodiment, bogie installation end and bogie are together fixed, and when the vehicle moved, the upper portion that is located the automobile body installation end vertically moved coil 3 and the lower part of bogie installation end vertically moved coil 9 circular telegram, produced the reaction force between the coil, with the automobile body certain height that suspends, whole in-process, vertical power of sensor 7 real-time feedback and displacement correspond the electric current size that the adjustment needs. Meanwhile, the first transverse and longitudinal electromagnet units 2 uniformly distributed on the vehicle body mounting end and the second transverse and longitudinal electromagnet units 4 uniformly distributed on the bogie mounting end interact with each other, the corresponding sensors 7 feed back transverse and longitudinal forces and displacement in real time in the whole process, the required current magnitude is correspondingly adjusted, the transverse and longitudinal stability of the vehicle body in the initial state of the vehicle body is kept, and in the running process of the vehicle, the current magnitude of the corresponding transverse and longitudinal electromagnet units is adjusted according to the transverse and longitudinal rigidity requirements of the vehicle, so that the magnitude of the interaction force is changed. In the embodiment, the magnetic suspension spring realizes the control of the vehicle body on the vertical fixed height and the control of the rigidity required in the transverse direction and the longitudinal direction by the vertical actuating coil and the transverse and longitudinal electromagnet units and combining the corresponding sensors, has compact structure, can realize the adjustment of multidirectional rigidity and the active control of multi-degree-of-freedom motion, and improves the vibration reduction effect of the railway vehicle.
Referring further to fig. 1, in the present embodiment, a friction plate 6 is further disposed on the actuating member 5, and the friction plate 6 is mounted on the upper portion of the actuating member 5 by bolts; the bogie mounting end body 10 is further provided with a damping coil 8, the damping coil 8 is a closed coil, and when a vehicle vibrates, induced current is generated in the damping coil to inhibit the vehicle from vibrating, so that a damping effect is achieved. Meanwhile, in the embodiment, in order to avoid the electromagnetic influence of the actuating part, a non-magnetic material is selected.
In conclusion, the electromagnetic force-based magnetic suspension spring for the railway vehicle can suspend the vehicle body at a certain height, control the multi-directional freedom degree, adjust the vertical, longitudinal and transverse rigidity, and improve the vibration reduction effect of the railway vehicle and the requirement of passing a curve. The magnetic suspension spring is characterized in that an upper vertical actuating coil is arranged on a vehicle body mounting end body, a paired lower vertical actuating coil is arranged on a bogie mounting end body, the upper vertical actuating coil and the lower vertical actuating coil are matched with each other for use, when a vehicle moves, the upper vertical actuating coil and the lower vertical actuating coil are electrified, vertical repulsive force is generated between the coils, the vehicle body is suspended for a certain height, and when the weight of the vehicle body is changed, the electromagnetic force is changed by controlling the magnitude of current, so that the constant-height suspension of the vehicle body is realized; meanwhile, the sensors arranged on the body of the vehicle body mounting end and the body of the bogie mounting end can feed back vertical force and displacement in real time. Meanwhile, the body of the vehicle body mounting end is provided with a first transverse and longitudinal electromagnet unit, the actuator part on the bogie mounting end is correspondingly provided with a second transverse and longitudinal electromagnet unit which is matched with the first transverse and longitudinal electromagnet unit, the first transverse and longitudinal electromagnet unit and the second transverse and longitudinal electromagnet unit are matched with each other for use to generate reaction force and control transverse and longitudinal displacement, a corresponding sensor feeds back transverse and longitudinal force and displacement in real time in the whole process, the required current is correspondingly adjusted, and the transverse and longitudinal stability of the vehicle body in the initial state of the vehicle body is kept. The magnetic suspension spring provided by the invention is compact in structure, can adjust vertical, longitudinal and transverse stiffness in real time, realizes vertical, longitudinal and transverse coupling motion, can obtain accurate stiffness characteristics, is provided with a damping structure, improves the vibration reduction effect of a railway vehicle, breaks away from the limitation of a whole set of air pressure system, and avoids the defects of large stiffness fluctuation, easy aging, short service life, high requirement on use environment and the like of the traditional air spring.
Claims (8)
1. A magnetic levitation spring for a railway vehicle, comprising: a vehicle body mounting end and a bogie mounting end;
the vehicle body mounting end comprises a vehicle body mounting end body, a first transverse and longitudinal electromagnet unit and an upper vertical actuating coil;
the first transverse and longitudinal electromagnet units are uniformly distributed on the cylindrical surface of the vehicle body mounting end body, and the action side faces the circle center;
the upper vertical actuating coil is arranged on the vehicle body mounting end body and is connected with an external power supply; the bogie mounting end comprises a bogie mounting end body, an actuating component, a second transverse and longitudinal electromagnet unit and a lower vertical actuating coil;
the actuating component is connected with the bogie mounting end body;
the second transverse and longitudinal electromagnet units are uniformly distributed on the cylindrical surface of the actuating part, the acting side faces the circle center, and the second transverse and longitudinal electromagnet units are matched with the first transverse and longitudinal electromagnet units for use;
the lower vertical actuating coil is arranged on the bogie mounting end body and is connected with an external power supply;
and sensors are uniformly arranged on the vehicle body mounting end body and the bogie mounting end body.
2. The magnetic levitation spring for railway vehicles according to claim 1, wherein the first transverse and longitudinal electromagnet units and the second transverse and longitudinal electromagnet units are paired and arranged in multiple groups.
3. The magnetic levitation spring as recited in claim 1, wherein the upper vertically acting coil and the lower vertically acting coil are paired into multiple sets.
4. The railway car maglev spring of claim 1, wherein the truck mount end further comprises:
and a friction plate mounted on the upper part of the actuating member.
5. The railway car maglev spring of claim 4, wherein the truck mount end further comprises:
a damping coil, provided as a closed coil, disposed on the bogie mounting end body.
6. The magnetic levitation spring for railway vehicles as claimed in claim 1, wherein the vehicle body mounting end body is assembled with the vehicle body by bolts.
7. The railway vehicle magnetic levitation spring as claimed in claim 1, wherein the truck-mounting end body is assembled and engaged with the truck by bolts.
8. The railway vehicle magnetic levitation spring as claimed in claim 1, wherein the actuating member is assembled with the truck-mounting end body by a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110012824.0A CN112644539A (en) | 2021-01-06 | 2021-01-06 | Magnetic suspension spring for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110012824.0A CN112644539A (en) | 2021-01-06 | 2021-01-06 | Magnetic suspension spring for railway vehicle |
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|---|---|
| CN112644539A true CN112644539A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110012824.0A Pending CN112644539A (en) | 2021-01-06 | 2021-01-06 | Magnetic suspension spring for railway vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446350A (en) * | 2021-09-01 | 2021-09-28 | 江苏新鹏能源科技有限公司 | Damping device for mine equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE388816B (en) * | 1971-04-19 | 1976-10-18 | Rohr Industries Inc | MAGNETIC SUSPENSION FOR WHEELED VEHICLES |
| JPH01215662A (en) * | 1988-02-25 | 1989-08-29 | Railway Technical Res Inst | Low floor vehicle of cross-anchor coupling bogey type for superconductive magnetically levitation type railway |
| JP2012233839A (en) * | 2011-05-09 | 2012-11-29 | Railway Technical Research Institute | Simulative vibration experiment device for a magnetic levitation railway vehicle using air spring |
| DE102011056180A1 (en) * | 2011-12-08 | 2013-06-13 | Max Bögl Bauunternehmung GmbH & Co. KG | Vehicle of a maglev train |
| CN105691234A (en) * | 2016-04-13 | 2016-06-22 | 中国人民解放军国防科学技术大学 | Contactless power supply coupling device for magnetic-levitation train and magnetic-levitation train |
| CN109795334A (en) * | 2018-10-26 | 2019-05-24 | 湖南省交通规划勘察设计院有限公司 | A kind of embedded magnetic floating traffic rail system, suspension rack system, maglev vehicle and magnetic floating system |
| CN209079902U (en) * | 2018-11-08 | 2019-07-09 | 中车株洲电力机车有限公司 | A kind of the active secondary suspension system and rail vehicle of rail vehicle |
| CN111452623A (en) * | 2020-05-26 | 2020-07-28 | 石家庄铁道大学 | Sandwich structure high-temperature superconducting magnetic suspension train |
-
2021
- 2021-01-06 CN CN202110012824.0A patent/CN112644539A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE388816B (en) * | 1971-04-19 | 1976-10-18 | Rohr Industries Inc | MAGNETIC SUSPENSION FOR WHEELED VEHICLES |
| JPH01215662A (en) * | 1988-02-25 | 1989-08-29 | Railway Technical Res Inst | Low floor vehicle of cross-anchor coupling bogey type for superconductive magnetically levitation type railway |
| JP2012233839A (en) * | 2011-05-09 | 2012-11-29 | Railway Technical Research Institute | Simulative vibration experiment device for a magnetic levitation railway vehicle using air spring |
| DE102011056180A1 (en) * | 2011-12-08 | 2013-06-13 | Max Bögl Bauunternehmung GmbH & Co. KG | Vehicle of a maglev train |
| CN105691234A (en) * | 2016-04-13 | 2016-06-22 | 中国人民解放军国防科学技术大学 | Contactless power supply coupling device for magnetic-levitation train and magnetic-levitation train |
| CN109795334A (en) * | 2018-10-26 | 2019-05-24 | 湖南省交通规划勘察设计院有限公司 | A kind of embedded magnetic floating traffic rail system, suspension rack system, maglev vehicle and magnetic floating system |
| CN209079902U (en) * | 2018-11-08 | 2019-07-09 | 中车株洲电力机车有限公司 | A kind of the active secondary suspension system and rail vehicle of rail vehicle |
| CN111452623A (en) * | 2020-05-26 | 2020-07-28 | 石家庄铁道大学 | Sandwich structure high-temperature superconducting magnetic suspension train |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446350A (en) * | 2021-09-01 | 2021-09-28 | 江苏新鹏能源科技有限公司 | Damping device for mine equipment |
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Application publication date: 20210413 |