CN109235167B - Beam-rail integrated middle-low speed magnetic levitation track beam - Google Patents
Beam-rail integrated middle-low speed magnetic levitation track beam Download PDFInfo
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- CN109235167B CN109235167B CN201811197803.5A CN201811197803A CN109235167B CN 109235167 B CN109235167 B CN 109235167B CN 201811197803 A CN201811197803 A CN 201811197803A CN 109235167 B CN109235167 B CN 109235167B
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- 238000005339 levitation Methods 0.000 title claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 abstract description 18
- 239000010959 steel Substances 0.000 abstract description 18
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
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Abstract
The invention discloses a beam-rail integrated middle-low speed magnetic levitation track beam, which comprises a concrete beam (1), an F-rail (2) and a connecting device, wherein the connecting device comprises a bolt (3), a first connecting piece (6), a second connecting piece (7) and a shear pin (8), and a plurality of stiffening plates (9) are arranged on one side of the T-shaped connecting structure, which is close to the F-rail (2), in an array manner along the length direction of the track beam. The beam-rail integrated middle-low speed magnetic levitation track beam of the invention eliminates the structures of the steel cross beam, the fastener, the bearing table, the support and the like of the traditional middle-low speed magnetic levitation track beam, greatly reduces the height of the whole track beam structure, and the loads such as the motion of a vehicle body born by an F-rail are directly transmitted through the beam-rail integrated structure.
Description
Technical Field
The invention belongs to the technical field of magnetic levitation track traffic, and particularly relates to a beam-rail integrated medium-low speed magnetic levitation track beam.
Background
The medium-low speed magnetic levitation transportation is a novel rail transportation mode which is optimized and innovated on the basis of the development of the traditional railway technology for more than one hundred years. The medium-low speed magnetic levitation traffic has the advantages of low noise, low vibration, low radiation, low cost, strong climbing capacity, small turning radius and the like, not only saves a large amount of land resources, but also provides a new choice of safety, reliability, energy conservation and environmental protection for the development of urban traffic, and is a new development direction in the urban traffic field. In recent years, huge achievements are achieved in the research of the middle-low speed magnetic levitation traffic theory and engineering application at home and abroad, and important technical support is provided for the application of pushing the middle-low speed magnetic levitation traffic.
The magnetic levitation transportation system is a novel ground passenger transportation system, and is obviously different from the traditional wheel-rail transportation system in that a vehicle body is levitated above a track by means of levitation force, and a walking part of the vehicle body is not contacted with the track. The propulsion force generated by the linear induction motor moves forward on the track. The middle-low speed magnetic levitation track traffic adopts a common electromagnet suction type levitation and guiding technology, and levitation and guiding of the vehicle are realized through electromagnetic attraction between the U-shaped electromagnet and the F-shaped steel rail on the vehicle levitation frame. At present, a middle-low speed magnetic levitation bridge structure and a track structure are divided into two parts, the track structure is paved above a concrete bridge, the bridge structure is constructed firstly, and then the track structure is constructed on the bridge.
At present, the middle-low speed magnetic levitation track beam comprises a bridge structure and a track structure, as shown in fig. 1 and 2, an F track 2 is installed on a steel cross beam 10 through a fastener, the steel cross beam 10 is connected with a bearing platform 10 through a support, and the bearing platform 10 is connected with a concrete beam 1, so that the magnetic levitation track beam structure is formed. The low-speed magnetic levitation bridge in the prior art has a plurality of problems: (1) The height of the track structure is large, the structure heights are increased on bridges and roadbeds, the tunnel section is increased in tunnels, the load acting distance between the tracks and the beams is increased, and particularly under the condition of ultrahigh curves as shown in fig. 2, the support structure not only transmits the gravity load of vehicles and the tracks, but also bears the transverse shearing force, so that faults are easily generated between the steel cross beams and the bearing tables and between the F-shaped tracks and the fasteners, and the safety and the reliability of the track beam structure are influenced; (2) The track structure is complex in structure and comprises an F-shaped track, a steel beam, a fastener, a track bearing table and a mechanical connecting device thereof, so that the track structure is difficult to install and high in manufacturing cost; (3) The second-stage load of the track structure is larger, so that the engineering quantity of the bridge structure is larger; (4) When the bridge structure is designed, the rigidity and the strength provided by the track structure are not considered generally, so that materials are wasted; (5) The F-shaped rail is positioned on the steel beam support with larger interval, and continuously and vertically bends and deforms under the action of vehicle load, so that shortwaves of the rail surface are unsmooth.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a beam-rail integrated middle-low speed magnetic levitation track beam, which aims to cancel the structures of a steel cross beam, a fastener, a bearing table, a support and the like of the traditional middle-low speed magnetic levitation track beam, reduce the height of the whole track beam structure, and directly transmit loads such as vehicle body movement born by an F-rail through the beam-rail integrated structure.
In order to achieve the above purpose, the invention provides a beam-rail integrated middle-low speed magnetic levitation track beam, which comprises a concrete beam, an F rail and a connecting device arranged between the F rail and the concrete beam, wherein the connecting device comprises a bolt, a first connecting piece, a second connecting piece and a shear pin; wherein,
The second connecting pieces are symmetrically arranged on two sides of the top of the concrete beam and are positioned between the F-shaped rail and the top of the concrete beam, one side of each second connecting piece is welded and fixed with the shear pin to realize connection between the second connecting piece and the top of the concrete beam, and the other side of each second connecting piece is provided with threads for realizing detachable connection between the F-shaped rail and the second connecting pieces through the bolts;
the first connecting pieces are symmetrically arranged on two sides of the concrete beam, the tops of the first connecting pieces are perpendicular to the second connecting pieces to form a T-shaped connecting structure with the second connecting pieces, and the first connecting pieces and the shear nails are welded and fixed to realize fixed connection between the first connecting pieces and the concrete beam; and
Along the length direction of the track beam, a plurality of stiffening plates are arranged on one side of the T-shaped connecting structure, which is close to the F-shaped rail, and the stiffening plates are just clamped at the tooth root parts of the F-shaped rail to form a support for the connecting device, so that the beam-rail integrated middle-low speed magnetic levitation track beam is formed.
Further, a height-adjusting base plate is arranged between the F-shaped rail and the second connecting piece, and the height-adjusting base plate is of different thicknesses so as to adapt to the requirements of adjusting the height of the rail surface, thereby adjusting the smoothness of the rail.
Further, the top of the concrete beam is in a plane linear type or in a curve super-high type, and the first connecting piece and the second connecting piece are tightly attached to the inclined surface of the concrete beam all the time through shear nails.
Further, the shear nails are uniformly arranged along the first connecting piece and the second connecting piece or are intensively arranged at a certain distance at intervals according to the stress requirement, and the first connecting piece and the second connecting piece are matched.
Further, the first connecting piece and the second connecting piece are continuously arranged along the longitudinal direction of the concrete beam, or the first connecting piece and the second connecting piece are respectively arranged at intervals along the longitudinal direction of the concrete beam.
Further, the first connecting piece, the second connecting piece and the stiffened plate are welded into an integral structure.
Further, the F-shaped rail, the heightening base plate and the end head of the second connecting piece are provided with bolt holes or through holes, and the aperture of the bolt holes or through holes is larger than the diameter of the bolts.
Further, the bolt hole or the through hole is round or oblong and is used for fixedly connecting the F-shaped rail, the height-adjusting backing plate and the second connecting piece through the second connecting piece.
Further, the bottom of the concrete beam is provided with an inclination adjusting device, and the inclination adjusting device is used for adaptively adjusting the inclination of the concrete beam according to the inclination of an actual curve.
Further, the section of the concrete beam is a square section, an airfoil section, an I-shaped section, a T-shaped section or a trapezoid section.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
(1) The beam-rail integrated middle-low speed magnetic levitation track beam of the invention eliminates the structures of the steel cross beam, the fastener, the bearing table, the support and the like of the traditional middle-low speed magnetic levitation track beam, greatly reduces the height of the whole track beam structure, and the loads such as the motion of a vehicle body born by an F-rail are directly transmitted through the beam-rail integrated structure.
(2) According to the beam-rail integrated middle-low speed magnetic levitation track beam, the beam top of the concrete beam is unchanged, the inclination adjusting device is arranged at the bottom of the concrete beam, and the inclination angle of the concrete beam can be adjusted in a self-adaptive manner according to the inclination angle of an actual curve, so that the multi-angle self-adaptive adjustment can be realized, the adjustment precision is high, the applicable curve angle adjustment range is wide, the structural form of the concrete beam is not required to be changed, the material consumption is saved, the construction is simple and convenient, the engineering investment is reduced, and the specific larger engineering application value is realized.
(3) According to the beam-rail integrated middle-low speed magnetic levitation track beam, the vertical steel plates, the transverse steel plates and the stiffening plates are fixedly connected with the concrete beam through the shear nails welded on the vertical steel plates and the transverse steel plates, so that a steel-concrete combined structure is formed, the F rail is continuously supported on the concrete beam, vertical deformation of the F rail under the action of vehicle load is smaller, meanwhile, the F rail anchoring bolts can bear larger horizontal shear force, and the track smoothness is better.
(4) The beam-rail integrated middle-low speed magnetic levitation track beam has the advantages that the F rail is directly connected with the bridge structure into a whole through the steel structure extending arm pre-embedded in the bridge, a steel-concrete combined structure is formed, the bridge and the rail are connected into a whole, the combined stress is higher, and the stress performance of the structure is better.
Drawings
FIG. 1 is a cross-sectional view of a middle-low speed magnetic levitation planar straight line segment bridge and track arrangement in the prior art;
FIG. 2 is a cross-sectional view of a middle-low speed magnetic levitation curve super-high section bridge and track arrangement in the prior art;
FIG. 3 is a cross-sectional view of a planar straight-section beam-rail integrated medium-low speed magnetic levitation track beam according to embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view of a curved ultra-high section beam-rail integrated medium and low speed magnetic levitation track beam according to embodiment 2 of the present invention;
FIG. 5 is a cross-sectional view of a curved ultra-high section beam-rail integrated medium and low speed magnetic levitation track beam according to embodiment 2 of the present invention;
FIG. 6 is a partial enlarged view of area A of FIG. 3;
FIG. 7 is a schematic cross-sectional view taken along section 2-2 of FIG. 6;
FIG. 8 is a schematic cross-sectional view taken along section 3-3 of FIG. 6.
Like reference numerals denote like technical features throughout the drawings, in particular: 1-concrete beam, 2-F rail, 3-bolt, 5-height-adjusting backing plate, 6-first connecting piece, 7-second connecting piece, 8-shear pin, 9-stiffened plate, 10-plummer, 11-steel crossbeam, 12-inclination adjusting device.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Aiming at a series of problems existing in the low-speed magnetic levitation track beam structure in the prior art, the invention provides the middle-low speed magnetic levitation track beam with the beam-rail integrated structure, which is symmetrically arranged at the top of the concrete beam. The beam-rail integrated structure comprises an F-rail and a connecting device, wherein the connecting device can be various, such as a bidirectional component parallel to the top of a concrete beam and perpendicular to the top of the concrete beam, or a pre-embedded structural component at the top of the concrete beam, and a matched component or other connecting structures are arranged at one side of the F-rail. The F-shaped rail is connected with the concrete beam through a connecting device, so that a beam-integrated middle-low speed magnetic levitation track beam is formed. Through this kind of roof beam-rail integrated structure, the steel crossbeam of current well low-speed magnetic levitation track roof beam, fastener, plummer and support isotructure have been cancelled, the height of whole track roof beam structure has greatly reduced, the automobile body motion etc. load that F rail bore is directly passed through roof beam-rail integrated structure and is passed, in addition, directly bear the transverse shearing effort that causes because of the track slope at curve superelevation section roof beam-rail integrated structure, not only improved the transmission efficiency of rail-roof beam interforce, and effectively avoided the load effect to lead to rail-interbeam structure trouble moreover. In addition, compared with the prior art, the steel cross beam, the fastener, the bearing table, the support and other components are omitted, so that the structure is simpler, the structure height from the rail surface to the bridge deck is effectively reduced, the construction procedures are fewer, the rail bearing table reinforcing steel bar is not required to be reserved on the bridge roof, the construction process is simpler, and meanwhile, the construction cost is lower.
Specifically, the present invention provides two general embodiments to illustrate the technical solution of the present invention. FIGS. 3 to 5 are cross-sectional views of a beam-rail integrated bridge structure according to embodiment 1 of the present invention; fig. 6 is a partial enlarged view of area a in fig. 3. As can be seen from fig. 3 to 6, the beam-rail integrated middle-low speed magnetic levitation track beam comprises a concrete beam 1, an F-rail 2 and a connecting device, wherein the connecting device comprises a bolt 3, a first connecting piece 6, a second connecting piece 7, a shear pin 8 and a stiffened plate 9. The second connecting pieces 7 are symmetrically arranged at the top of the concrete beam 1 and extend for a certain length, the first connecting pieces 6 are symmetrically arranged at two sides of the top of the concrete beam 1, the second connecting pieces 7 are tightly attached to the upper parts of the concrete beam, the reinforcing plates 9 are arranged at T-shaped welding structure positions formed by the second connecting pieces 7 and the first connecting pieces 6, and the reinforcing plates 9 are longitudinally arranged at intervals along a bridge according to structural stress requirements. Preferably, a height-adjusting backing plate 5 is arranged between the F-shaped rail 2 and the second connecting piece 7, and the height-adjusting backing plate 5 can be made into different thicknesses to adapt to the requirements of rail surface elevation adjustment and rail smoothness adjustment. The F-shaped rail 2, the heightening backing plate 5 and the end section of the second connecting piece 7 are provided with bolt holes, and the F-shaped rail 2, the heightening backing plate 5 and the second connecting piece 7 are fixedly connected through bolts 3. After the first connecting piece 6, the second connecting piece 7 and the stiffening plate 9 are welded to form a whole, the shear nails 8 welded on the first connecting piece 6 and the second connecting piece 7 are fixedly connected with the concrete beam 1, so that a steel-concrete combined structure is formed.
Further, FIG. 7 is a schematic cross-sectional view taken along the line 2-2 in FIG. 6, and FIG. 8 is a schematic cross-sectional view taken along the line 3-3 in FIG. 6; referring to fig. 6 to 8, the bolts 3 are uniformly arranged along the second connecting member 7 or are centrally arranged at a certain distance according to the stress requirement. The shear nails 8 are uniformly arranged along the first connecting piece 6 and the second connecting piece 7 or are intensively arranged at a certain distance every time according to the stress requirement. In addition, in the prior art of fig. 1, the F-rail 2 is located on the steel cross beam 11 with larger interval, under the action of vehicle load, the F-rail 2 is continuously and vertically bent and deformed, short wave irregularity of the rail surface is easily caused, while the F-rail 2 is continuously supported on the concrete beam 1, the vertical deformation of the F-rail 2 under the action of vehicle load is smaller, meanwhile, the anchoring bolt of the F-rail 2 can bear larger horizontal shearing force, and the rail smoothness is better.
Preferably, the bolt holes may be circular or oblong. The aperture of the bolt hole is slightly larger than the diameter of the bolt, and the F track gauge can be adjusted.
The first and second connection members 6 and 7 may be continuous in the longitudinal direction of the concrete beam 1, or the first and second connection members 6 and 7 may be disposed at regular intervals in the longitudinal direction of the concrete beam 1.
The cross section of the concrete beam 1 is preferably not limited to the cross section form in the drawings, but may be other cross sections such as an i-shaped cross section, a T-shaped cross section, a trapezoid cross section, and the like.
Preferably, in fig. 3, in the plane straight line section of the middle-low speed magnetic levitation track, the roof beam of the concrete beam 1 is a horizontal plane, the first connecting piece 6 is vertically arranged, the second connecting piece 7 is horizontally arranged, and the stiffening plate 9 is vertically arranged with the first connecting piece 6 and the second connecting piece 7; fig. 4 and fig. 5 are cross-sectional views of a curved super-high section beam-rail integrated middle-low speed magnetic levitation track beam in embodiment 2 of the present invention, as shown in fig. 4, the roof of the concrete beam 1 is an inclined plane, the inclined plane can be set to the left side or to the right side, the first connecting piece 6 and the second connecting piece 7 are tightly attached to the inclined plane surface of the concrete beam 1 all the time through shear pins 8, the first connecting piece 6 and the second connecting piece 7 are completely matched, and are welded with a stiffening plate 9 all the time into a whole.
Preferably, as shown in fig. 5, in order to adapt to the change of the middle-low speed magnetic levitation track Liang Wandao, the track beam needs to be designed to have an ultrahigh curve, and at the ultrahigh end of the curve, the track is generally designed to have a structure form with high outside and low inside, so that the component force of the self weight of the magnetic levitation train to the inner side of a curve is used as the centripetal force of the magnetic levitation train when the magnetic levitation train passes through the curve, and the safe turning of the train is ensured. In order to realize the curve super-high design of the track beam, the improved design scheme shown in fig. 5 can be adopted, namely, the roof beam of the concrete beam 1 is unchanged, the inclination adjusting device 13 is arranged at the bottom of the concrete beam, the inclination of the concrete beam 1 can be adjusted in a self-adaptive manner according to the inclination of an actual curve through the inclination adjusting device, the multi-angle self-adaptive adjustment can be realized, the adjustment precision is high, the applicable curve angle adjustment range is wide, the structural form of the concrete beam 1 is not required to be changed, the material consumption is saved, the construction is simple and convenient, the engineering investment is reduced, and the specific larger engineering application value is realized.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The beam-rail integrated middle-low speed magnetic levitation track beam comprises a concrete beam (1) and an F rail (2) and is characterized by further comprising a connecting device arranged between the F rail (2) and the concrete beam (1), wherein the connecting device comprises a bolt (3), a first connecting piece (6), a second connecting piece (7) and a shear pin (8); wherein,
The second connecting pieces (7) are symmetrically arranged on two sides of the top of the concrete beam (1) and are positioned between the F-shaped rail (2) and the top of the concrete beam (1), one side of each second connecting piece is welded and fixed with the shear pin (8) so as to realize connection between the shear pin and the top of the concrete beam (1), and the other side of each second connecting piece is provided with threads, so that detachable connection between the F-shaped rail (2) and the second connecting pieces (7) is realized through the bolts (3);
The first connecting pieces (6) are symmetrically arranged on two sides of the concrete beam (1), the tops of the first connecting pieces are perpendicular to the second connecting pieces (7) to form a T-shaped connecting structure with the second connecting pieces (7), and the first connecting pieces (6) and the shear nails (8) are welded and fixed to realize fixed connection between the first connecting pieces and the concrete beam (1); and
Along the length direction of the track beam, a plurality of stiffening plates (9) are arranged on one side of the T-shaped connecting structure, which is close to the F-shaped rail (2), and the stiffening plates (9) are just clamped at the tooth root parts of the F-shaped rail (2) to form a support for the connecting device, so that the beam-rail integrated middle-low speed magnetic levitation track beam is formed;
for the curve super-high section, the roof of the concrete beam (1) is an inclined plane;
The first connecting piece (6) and the second connecting piece (7) are tightly attached to the inclined surface of the concrete beam (1) all the time through shear nails (8), the first connecting piece (6) and the second connecting piece (7) are completely matched, and are welded with the stiffening plate (9) all the time to form a whole;
A height-adjusting base plate (5) is arranged between the F-shaped rail (2) and the second connecting piece (7), and the height-adjusting base plate (5) is of different thicknesses so as to adapt to the requirements of rail surface elevation adjustment, thereby adjusting the smoothness of the rail;
The shear nails (8) are uniformly arranged along the first connecting piece (6) and the second connecting piece (7) or are intensively arranged at certain intervals according to stress requirements, and the first connecting piece (6) and the second connecting piece (7) are matched;
The first connecting pieces (6) and the second connecting pieces (7) are continuously arranged along the longitudinal direction of the concrete beam (1), or the first connecting pieces (6) and the second connecting pieces (7) are respectively arranged at intervals along the longitudinal direction of the concrete beam (1).
2. The beam-rail integrated middle-low speed magnetic levitation track beam according to claim 1, wherein the ends of the F-rail (2), the height-adjusting backing plate (5) and the second connecting piece (7) are provided with bolt holes or through holes, and the aperture of the bolt holes or through holes is larger than the diameter of the bolts (3).
3. The beam-rail integrated middle-low speed magnetic levitation track beam according to claim 2, wherein the bolt hole or the through hole is round or oblong, and is used for fixedly connecting the F-rail (2), the heightening base plate (5) and the second connecting piece (7) through the second connecting piece.
4. A beam-rail integrated medium and low speed magnetic levitation track beam according to any of claims 1-3, characterized in that the cross section of the concrete beam (1) is a back-shaped cross section, an airfoil-shaped cross section, an i-shaped cross section, a T-shaped cross section or a trapezoid-shaped cross section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811197803.5A CN109235167B (en) | 2018-10-15 | 2018-10-15 | Beam-rail integrated middle-low speed magnetic levitation track beam |
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| CN201811197803.5A CN109235167B (en) | 2018-10-15 | 2018-10-15 | Beam-rail integrated middle-low speed magnetic levitation track beam |
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| CN109235167B true CN109235167B (en) | 2024-05-17 |
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| CN110205882B (en) * | 2019-07-12 | 2024-06-11 | 湖南磁浮技术研究中心有限公司 | Medium-low speed magnetic levitation track structure |
| CN111487951B (en) * | 2020-04-24 | 2021-09-24 | 宁夏煜隆科技有限公司 | Suspension controller detection device for medium-low speed maglev train |
| CN112554037B (en) * | 2020-12-14 | 2022-08-05 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Floating bridge structure and construction method |
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| JPH0333301A (en) * | 1989-06-28 | 1991-02-13 | H S S T:Kk | Track for attraction type magnetic levitation type car and travelling system using same track |
| CN203546524U (en) * | 2013-09-29 | 2014-04-16 | 中铁二院工程集团有限责任公司 | Medium-and-low-speed magnetically-suspended traffic integral-type road-bed track structure |
| CN204325812U (en) * | 2014-12-09 | 2015-05-13 | 中铁第四勘察设计院集团有限公司 | Middle low speed magnetic suspension traffic engineering is low puts route curve support rail girder construction |
| CN209162549U (en) * | 2018-10-15 | 2019-07-26 | 中铁磁浮交通投资建设有限公司 | A kind of beam-rail integration medium-and low-speed maglev track girder |
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2018
- 2018-10-15 CN CN201811197803.5A patent/CN109235167B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0333301A (en) * | 1989-06-28 | 1991-02-13 | H S S T:Kk | Track for attraction type magnetic levitation type car and travelling system using same track |
| CN203546524U (en) * | 2013-09-29 | 2014-04-16 | 中铁二院工程集团有限责任公司 | Medium-and-low-speed magnetically-suspended traffic integral-type road-bed track structure |
| CN204325812U (en) * | 2014-12-09 | 2015-05-13 | 中铁第四勘察设计院集团有限公司 | Middle low speed magnetic suspension traffic engineering is low puts route curve support rail girder construction |
| CN209162549U (en) * | 2018-10-15 | 2019-07-26 | 中铁磁浮交通投资建设有限公司 | A kind of beam-rail integration medium-and low-speed maglev track girder |
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