CN110965406B - Middle-low speed magnetic levitation steel beam spliced track - Google Patents
Middle-low speed magnetic levitation steel beam spliced track Download PDFInfo
- Publication number
- CN110965406B CN110965406B CN201911165289.1A CN201911165289A CN110965406B CN 110965406 B CN110965406 B CN 110965406B CN 201911165289 A CN201911165289 A CN 201911165289A CN 110965406 B CN110965406 B CN 110965406B
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- steel
- steel box
- track
- pair
- track panel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 138
- 239000010959 steel Substances 0.000 title claims abstract description 138
- 238000005339 levitation Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000004567 concrete Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E01B25/305—Rails or supporting constructions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention relates to a middle-low speed magnetic levitation steel girder spliced track, which comprises a steel box girder and a track panel matched and arranged at the upper part of the steel box girder; the steel box girder is of an integrated structure and consists of a steel box middle girder and a pair of steel box side girders symmetrically welded and fixed on two opposite side walls of the steel box middle girder; the top ends of the steel box middle beams protrude above the top ends of the pair of steel box side beams, and the bottom ends of the steel box middle beams are level with the bottom ends of the pair of steel box side beams; the track panel is divided into two groups which are respectively detachably matched and installed at the top of the pair of steel box side beams. The invention has reasonable and simple structural design, firm and reliable structure, and quick and convenient on-site installation and adjustment, can effectively improve the accuracy and on-site installation speed of the track, and can better meet the running requirements of vehicles.
Description
Technical Field
The invention relates to the technical field of rail transportation, in particular to a middle-low speed magnetic levitation steel beam spliced rail.
Background
There are two medium-low speed magnetic levitation operating lines in China: one is a long sand magnetic levitation fast line; the other is the Beijing medium-low speed magnetic levitation commercial operation demonstration line S1. The track beams of the two lines are cast-in-situ reinforced concrete beams, and the advantages are low cost and mature technology. The method has the defects of long construction period, high difficulty in controlling construction precision, large occupied area of site and more personnel for site construction organization.
As shown in fig. 6 to 8, the conventional middle-low speed magnetic levitation track is of a concrete track beam structure, and consists of a track panel 01, a track panel support 02, a concrete beam 03, an F-shaped steel guide rail 04 and a bridge support 05; the construction method specifically comprises the steps of firstly binding steel bars on site, then pouring bridge supports 05, after pouring and curing, binding steel bars of the track panel supports 02, after binding, pouring and curing the track panel supports 02, and then installing the track panel 01 on the track panel supports 02 by bolts, wherein the construction period of the structure is long, the installation accuracy is adjusted on site, and the influence of site environment is great.
Disclosure of Invention
Aiming at the problems in the background technology, the invention provides the middle-low speed magnetic levitation steel beam spliced track which has reasonable and simple structural design, firm and reliable structure and rapid and convenient on-site installation and adjustment, can effectively improve the precision and on-site installation speed of the track and can better meet the running requirements of vehicles.
The invention is realized by the following technical scheme:
The middle-low speed magnetic levitation steel beam assembly track comprises a steel box beam and a track panel matched and arranged on the upper part of the steel box beam; the steel box girder is of an integrated structure and consists of a steel box middle girder and a pair of steel box side girders symmetrically welded and fixed on two opposite side walls of the steel box middle girder; the top ends of the steel box middle beams protrude above the top ends of the pair of steel box side beams, and the bottom ends of the steel box middle beams are level with the bottom ends of the pair of steel box side beams; the track panel is divided into two groups which are respectively detachably matched and installed at the top of the pair of steel box side beams.
The track is assembled to well low-speed magnetic levitation girder steel, wherein: the middle-low speed magnetic levitation steel beam assembly track further comprises a track panel mounting seat; the track panel mounting seats are divided into two groups and are respectively and fixedly arranged at the tops of the pair of steel box side beams; the two groups of track panel mounting seats are respectively and uniformly distributed along the length direction of the pair of steel box side beams.
The track is assembled to well low-speed magnetic levitation girder steel, wherein: the track panel is divided into two groups and is respectively detachably matched and installed at the top of the track panel installation seat positioned at the top of the pair of steel box side beams.
The track is assembled to well low-speed magnetic levitation girder steel, wherein: each group of track panel comprises I-shaped steel, a connecting rod and a steel guide rail; the top surface of the I-shaped steel is flush with the top surface of the middle beam of the steel box; the I-shaped steel is divided into two groups which are respectively matched and fixed on the top surfaces of the track panel mounting seats positioned on the tops of the pair of steel box side beams; one end of each I-shaped steel is detachably fixed on the top surface of the corresponding track panel mounting seat through bolts, and the other end of each I-shaped steel horizontally extends out of the track panel mounting seat; connecting rods are connected between the middle parts of every two adjacent I-shaped steel in a matching way, and two ends of each connecting rod are detachably assembled and connected with the I-shaped steel through bolts; the steel guide rails are F-shaped steel guide rails and are provided with two groups, and the two groups of steel guide rails are detachably matched and fixed on the upper parts of the two groups of I-shaped steel through bolts respectively.
The track is assembled to well low-speed magnetic levitation girder steel, wherein: the middle-low speed magnetic levitation steel beam assembly rail also comprises a rail mounting seat; the track mounting seat is detachably and fixedly mounted at the bottoms of the pair of steel box side beams; the bottom of each track mounting seat is mounted with the bridge bearing so as to transmit force to the bridge foundation.
The beneficial effects are that:
The middle-low speed magnetic levitation steel beam spliced track has simple and reasonable structural design, wherein the steel box beam adopts a convex structure, so that the strength and the rigidity of the beam can be improved, and the design large span is improved; the independent spliced track panels are arranged on the two sides of the steel box girder, and can be respectively formed into a system, and the independent spliced track panels are respectively adjusted, so that the adjustability and the installability are strong; the steel box girder can be assembled and welded in a factory by using a factory prefabrication technology, the track panel is assembled in the factory, the height of the assembled track panel structure is adjusted on site through bolts on the track panel and track panel installation seats, the assembled track panel structure is convenient to install and disassemble, the distance can be adjusted through the bolts, the on-site installation and adjustment are quick, and a processing field is not required to be arranged on site; meanwhile, compared with the existing reinforced concrete cast-in-situ structural beam, the invention has fewer field installers and shorter installation period; moreover, the steel structure spliced track beam is used for replacing a cement beam as a beam for a middle-low speed magnetic levitation line, and the steel box beam can be prefabricated in a factory, so that the concrete beam is replaced by in-situ pouring and secondary pouring, the steel structure beam with excellent quality, low cost and rapid and efficient installation can play a role in the field of magnetic levitation and even more track traffic, the advantage of factory prefabrication is fully utilized, and the track precision and in-situ installation speed are improved.
Drawings
Fig. 1 is a front view of a low-speed magnetic levitation steel beam spliced track.
Fig. 2 is a top view of the low-speed magnetic levitation steel beam assembly track of the invention.
Fig. 3 is a left side view of the low-speed magnetic levitation steel beam assembly track.
Fig. 4 is a left side view of the low-speed magnetic levitation steel beam assembly track with track segments removed.
Fig. 5 is a front view of a partial track panel of the low-speed magnetic levitation steel beam spliced track of the invention.
Fig. 6 is a front view of a conventional concrete track girder structure.
Fig. 7 is a top view of a conventional concrete track beam structure.
Fig. 8 is a left side view of a conventional concrete track girder structure.
Detailed Description
As shown in figures 1-5, the low-speed magnetic levitation steel beam spliced track comprises a steel box beam 1, a track panel mounting seat 2, a track panel 3 and a track mounting seat 4.
The steel box girder 1 consists of a steel box middle girder 11 and a pair of steel box side girders 12 symmetrically welded and fixed on two opposite side walls of the steel box middle girder 11; the top ends of the steel box center beams 11 protrude above the top ends of the pair of steel box side beams 12, the bottom ends of the steel box center beams 11 are flush with the bottom ends of the pair of steel box side beams 12, the steel box beams 1 finally form a convex structure, the rigidity of the steel beams is increased through the convex structure, and the steel box beams 1 have enough strength and rigidity to support a magnetic levitation vehicle.
The track panel mounting seats 2 are divided into two groups which are respectively fixedly arranged on the top surfaces of a pair of steel box side beams 12 of the steel box girder 1; wherein, the two groups of track panel mounting seats 2 are respectively and evenly distributed along the length direction of a pair of steel box side beams 12, the bottom of each track panel mounting seat 2 is fixed on the top surface of the steel box side beam 12, and the top is provided with an assembly hole.
The track panel 3 is an assembled track panel, and is divided into two groups which are respectively matched and installed on the upper parts of the two groups of track panel installation seats 2. Each group of track panels 3 comprises an I-shaped steel 31, a connecting rod 32 and a steel guide rail 33; the I-shaped steel 31 is also provided with a plurality of top surfaces which are divided into two groups and respectively matched and fixed on the two groups of track panel mounting seats 2; the top surface of the I-shaped steel 31 is flush with the top surface of the steel box center sill 11 of the steel box girder 1; one end of each I-shaped steel 31 is detachably fixed on the top surface of the corresponding track panel mounting seat 2 through bolts, and the other end horizontally extends out of the track panel mounting seat 2. Connecting rods 32 are connected between the middle parts of every two adjacent I-shaped steel 31 in a matching way, two ends of each connecting rod 32 are detachably assembled and connected with the I-shaped steel 31 through bolts, and the I-shaped steel 31 and the connecting rods 32 are connected to form a frame structure together with a steel guide rail 33. The steel guide rails 33 are F-shaped steel guide rails and are provided with two groups, and the two groups of steel guide rails 33 are respectively and detachably matched and fixedly installed on the upper parts of one ends of the two groups of I-shaped steel 31 which horizontally extend out of the track panel installation seat 2 through bolts.
The track mount 4 has a plurality of bottoms of a pair of steel box side beams 12 detachably and fixedly mounted to the steel box girder 1, respectively; wherein the bottom of each track mount 4 is mounted with the bridge bearing and transmits the force to the bridge foundation.
The assembly process of the invention is as follows:
(1) After the steel box girder 1 is manufactured in a factory, the installation surface is subjected to integral machining, so that the height and the flatness of the girder body are ensured;
(2) After the track panel 3 is processed, the track panel can be assembled into a frame in a factory;
(3) The steel box girder 1 is fixed by bolts;
(4) And (5) conveying the steel plate to a construction site, and carrying out precision adjustment through bolts and adjusting gaskets according to the condition of the site.
The invention has reasonable and simple structural design, firm and reliable structure, and quick and convenient on-site installation and adjustment, can effectively improve the accuracy and on-site installation speed of the track, and can better meet the running requirements of vehicles.
Claims (3)
1. The utility model provides a track is assembled to well low-speed magnetic levitation girder steel, includes steel case roof beam and matches locate the track panel on steel case roof beam upper portion, its characterized in that: the steel box girder is of an integrated structure and consists of a steel box middle girder and a pair of steel box side girders symmetrically welded and fixed on two opposite side walls of the steel box middle girder; the top ends of the steel box middle beams protrude above the top ends of the pair of steel box side beams, and the bottom ends of the steel box middle beams are level with the bottom ends of the pair of steel box side beams;
the track panel is divided into two groups which are respectively detachably matched and installed at the tops of a pair of steel box side beams;
each group of track panel comprises I-shaped steel, a connecting rod and a steel guide rail;
The top surface of the I-shaped steel is flush with the top surface of the middle beam of the steel box;
The middle-low speed magnetic levitation steel beam assembly track further comprises a track panel mounting seat; the track panel mounting seats are divided into two groups and are respectively and fixedly arranged at the tops of the pair of steel box side beams; the two groups of track panel mounting seats are uniformly distributed along the length direction of the pair of steel box side beams respectively;
the middle-low speed magnetic levitation steel beam assembly rail also comprises a rail mounting seat; the track mounting seat is detachably and fixedly mounted at the bottoms of the pair of steel box side beams; the bottom of each track mounting seat is mounted with the bridge bearing so as to transmit force to the bridge foundation.
2. The medium and low speed magnetic levitation steel beam splicing rail as set forth in claim 1, wherein: the track panel is divided into two groups and is respectively detachably matched and installed at the top of the track panel installation seat positioned at the top of the pair of steel box side beams.
3. The medium and low speed magnetic levitation steel beam splicing rail as set forth in claim 2, wherein:
The I-shaped steel is divided into two groups which are respectively matched and fixed on the top surfaces of the track panel mounting seats positioned on the tops of the pair of steel box side beams; one end of each I-shaped steel is detachably fixed on the top surface of the corresponding track panel mounting seat through bolts, and the other end of each I-shaped steel horizontally extends out of the track panel mounting seat;
Connecting rods are connected between the middle parts of every two adjacent I-shaped steel in a matching way, and two ends of each connecting rod are detachably assembled and connected with the I-shaped steel through bolts;
The steel guide rails are F-shaped steel guide rails and are provided with two groups, and the two groups of steel guide rails are detachably matched and fixed on the upper parts of the two groups of I-shaped steel through bolts respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165289.1A CN110965406B (en) | 2019-11-25 | 2019-11-25 | Middle-low speed magnetic levitation steel beam spliced track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165289.1A CN110965406B (en) | 2019-11-25 | 2019-11-25 | Middle-low speed magnetic levitation steel beam spliced track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110965406A CN110965406A (en) | 2020-04-07 |
| CN110965406B true CN110965406B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911165289.1A Active CN110965406B (en) | 2019-11-25 | 2019-11-25 | Middle-low speed magnetic levitation steel beam spliced track |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115162071B (en) * | 2022-08-02 | 2024-05-14 | 中铁二十三局集团轨道交通工程有限公司 | Superconducting magnetic suspension track structure capable of reducing magnetic resistance |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211420740U (en) * | 2019-11-25 | 2020-09-04 | 中铁宝桥集团有限公司 | Track is assembled to well low-speed magnetic levitation girder steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101101204B1 (en) * | 2011-06-03 | 2012-01-04 | (주) 효성 | Cantilever of slab for steel box bridge using steel supporter and the method thereof |
| WO2016091052A1 (en) * | 2014-12-09 | 2016-06-16 | 中铁第四勘察设计院集团有限公司 | Medium-low speed maglev traffic engineering low arrangement line curve bearing rail beam structure |
| CN204959505U (en) * | 2015-08-13 | 2016-01-13 | 中铁十一局集团有限公司 | Single line roof beam security platform |
| CN108149532A (en) * | 2018-01-04 | 2018-06-12 | 嘉兴学院 | A kind of magnetic levitation track traffic two-wire simply supported beam |
| CN110029541B (en) * | 2019-03-26 | 2024-09-24 | 中铁磁浮交通投资建设有限公司 | Longitudinal and transverse beam type high-speed magnetic levitation steel structure track panel |
| CN110029540A (en) * | 2019-03-26 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | A kind of high speed Maglev double line box girder and track structure |
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| CN211420740U (en) * | 2019-11-25 | 2020-09-04 | 中铁宝桥集团有限公司 | Track is assembled to well low-speed magnetic levitation girder steel |
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| CN110965406A (en) | 2020-04-07 |
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