CN214831554U - High-speed magnetic suspension roadbed structure - Google Patents
High-speed magnetic suspension roadbed structure Download PDFInfo
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- CN214831554U CN214831554U CN202121667213.1U CN202121667213U CN214831554U CN 214831554 U CN214831554 U CN 214831554U CN 202121667213 U CN202121667213 U CN 202121667213U CN 214831554 U CN214831554 U CN 214831554U
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- joist
- support
- roof beam
- rail roof
- support rail
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Abstract
The utility model discloses a high-speed magnetism floats roadbed structure, including the support rail roof beam, the support rail roof beam includes a plurality of support rail roof beam sections, is provided with the joist in the below of every support rail roof beam section tip, and all joist intervals set up, and be provided with the support between joist and the support rail roof beam section, and the below of every joist all is provided with the foundation pile. The utility model is additionally provided with the support which can be deformed and adjusted according to the train operation condition, thereby realizing the deformation adjustment of the low-level structure of the roadbed engineering and the tunnel engineering under the long-term operation condition; the foundation pile joist structure is adopted to replace the traditional roadbed structure, so that the load is transferred to the joist from the low-position structure and then transferred to the foundation pile structure by the joist, thereby the deformation control key is centralized at the support, the structural rigidity is increased, the deformation adjusting device is provided, and the requirement of the running stability of the high-speed maglev train with the speed of 600km/h or more per hour can be met; the traditional roadbed structure is cancelled, a large amount of soil bodies and graded broken stones do not need to be arranged, and the manufacturing cost can be greatly reduced.
Description
Technical Field
The utility model relates to a roadbed structure, especially a high-speed magnetism floats roadbed structure.
Background
With the continuous promotion of domestic production technology, cross-regional communication is increasingly frequent, the demand on high-speed maglev trains with the speed of 600km/h and above is extremely urgent, and the higher the speed per hour of the trains, the larger the dynamic load generated on a roadbed structure is. As shown in fig. 1-2, in the conventional roadbed structure, a magnetic levitation F rail 07 and a rail support beam 01 are integrally cast, the rail support beam 01 is directly seated on a roadbed body 02, a concrete cushion 04 is arranged below the rail support beam 01, graded broken stones 03 are arranged inside the roadbed body 02, a concrete bottom plate 05 is arranged below the roadbed body 02, and drainage ditches 06 are arranged on two sides of the roadbed body 02. Therefore, in the running process of the train, the dynamic load of the train is mostly adjusted through the deformation of the graded broken stones 03, but when the speed per hour of the train exceeds 600km/h, the graded broken stones 06 cannot bear the long-term action of the dynamic load of the train, and therefore the roadbed structure can sink locally, and the running stability of the train is seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems in the prior art, a high-speed magnetic suspension roadbed structure is provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a high-speed magnetic levitation roadbed structure, includes the support rail roof beam, the support rail roof beam includes a plurality of support rail roof beam sections, every the below of support rail roof beam section tip is provided with the joist, all the joist interval sets up, just the joist with be provided with the support between the support rail roof beam section, every the below of joist all is provided with the foundation pile.
The utility model is additionally provided with the support which can be deformed and adjusted according to the train operation condition, thereby realizing the deformation adjustment of the low-level structure of the roadbed engineering and the tunnel engineering under the long-term operation condition; the foundation pile joist structure is adopted to replace the traditional roadbed structure, so that the load is transferred to the joist from the low-position structure and then transferred to the foundation pile structure by the joist, thereby the deformation control key is centralized at the support, the structural rigidity is increased, the deformation adjusting device is provided, and the requirement of the running stability of the high-speed maglev train with the speed of 600km/h or more per hour can be met; the utility model arranges the joists at intervals, thereby not only enhancing the rigidity of the upper structure, but also saving the material consumption and reducing the engineering cost; the utility model discloses cancelled traditional roadbed structure, need not set up a large amount of soil bodies again and graded broken stone, but greatly reduced cost.
As the preferred scheme of the utility model, the joist with the foundation pile is reinforced concrete structure.
As the preferable scheme of the utility model, the distance between two adjacent joists is greater than or equal to 5 m.
As the preferred scheme of the utility model, the support is fixing support or movable support.
As the utility model discloses a preferred scheme, the support is ball-type steel support, also can adopt other support forms, as long as can realize that the deformation adjusts can.
As the utility model discloses a preferred scheme, the support includes upper bracket board, bottom suspension bedplate and slide, the slide is located the upper bracket board with between the bottom suspension bedplate, be equipped with first connecting bolt on the upper bracket board, first connecting bolt be used for with the support rail roof beam section is connected, be equipped with second connecting bolt on the bottom suspension bedplate, second connecting bolt be used for with the joist is connected.
As the preferred scheme of the utility model, the top of upper bracket board still is equipped with pre-buried steel sheet.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model is additionally provided with the support which can be deformed and adjusted according to the train operation condition, thereby realizing the deformation adjustment of the low-level structure of the roadbed engineering and the tunnel engineering under the long-term operation condition; the foundation pile joist structure is adopted to replace the traditional roadbed structure, so that the load is transferred to the joist from the low-position structure and then transferred to the foundation pile structure by the joist, thereby the deformation control key is centralized at the support, the structural rigidity is increased, the deformation adjusting device is provided, and the requirement of the running stability of the high-speed maglev train with the speed of 600km/h or more per hour can be met; the utility model arranges the joists at intervals, thereby not only enhancing the rigidity of the upper structure, but also saving the material consumption and reducing the engineering cost; the utility model discloses cancelled traditional roadbed structure, need not set up a large amount of soil bodies again and graded broken stone, but greatly reduced cost.
Drawings
Fig. 1 is a schematic cross-sectional view of a high-speed magnetic suspension roadbed structure in the prior art.
Fig. 2 is a side view of a prior art high speed magnetic levitation roadbed structure.
Labels in fig. 1-2: 01-rail supporting beam, 02-roadbed body, 03-graded broken stone, 04-concrete cushion, 05-bottom plate, 06-drainage ditch and 07-F rail.
Fig. 3 is a schematic cross-sectional view of the high-speed magnetic suspension roadbed structure of the utility model.
Fig. 4 is a side view of the high-speed magnetic levitation roadbed structure of the utility model.
Fig. 5 is a schematic structural diagram of the spherical steel support of the present invention.
Labeled in fig. 3-5: 1-rail supporting beam section, 2-support, 21-first connecting bolt, 22-embedded steel plate, 23-upper support plate, 24-sliding seat, 25-lower support plate, 26-second connecting bolt, 3-joist, 4-foundation pile, 5-F rail and 6-drainage ditch.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 3-4, a high-speed magnetic suspension roadbed structure, including the support rail roof beam, the support rail roof beam is including a plurality of support rail roof beam sections 1 that the segmentation set up, all is provided with F rail 5 in the top of every support rail roof beam section 1, every support rail roof beam section 1's below all is provided with joist 3, joist 3 is located the both ends of support rail roof beam section 1, all 3 spaced 5m settings of joist, and every 3 below of joist all is provided with foundation pile 4, joist 3 with foundation pile 4 is reinforced concrete structure. And drainage ditches 6 are also arranged at the two ends of the joist 3.
At least two supports 2 are arranged between each joist 3 and the rail supporting beam section 1, and the supports 2 are spherical steel supports.
As shown in fig. 5, the support 2 includes an upper support plate 23, a lower support plate 25 and a sliding base 24, the sliding base 24 is located between the upper support plate 23 and the lower support plate 25, the top of the upper support plate 23 is provided with a pre-embedded steel plate 22 and a first connecting bolt 21, the first connecting bolt 21 is used for connecting with the rail beam section 1, the lower support plate 25 is provided with a second connecting bolt 26, and the second connecting bolt 26 is used for connecting with the joist 3.
When the high-speed maglev train runs, the dynamic load generated by running is transmitted to the support 2 through the rail bearing beam section 1, and the support 2 is subjected to rotational deformation or translational deformation, so that the deformation adjustment is realized. At the moment, stress and deformation are mainly on the support 2, so that only a foundation pile joist structure needs to be arranged below the support 2, and the joists 3 can be arranged at intervals, so that the engineering cost is saved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a high-speed magnetic levitation roadbed structure, its characterized in that, includes the support rail roof beam, the support rail roof beam includes a plurality of support rail roof beam sections (1), every the below of support rail roof beam section (1) tip is provided with joist (3), all joist (3) interval sets up, just joist (3) with be provided with support (2) between support rail roof beam section (1), every the below of joist (3) all is provided with foundation pile (4).
2. A high-speed magnetic suspension roadbed structure according to claim 1, characterized in that the joists (3) and the foundation piles (4) are both reinforced concrete structures.
3. A high-speed magnetic suspension roadbed structure according to claim 1, characterized in that the distance between two adjacent joists (3) is greater than or equal to 5 m.
4. A high-speed magnetic suspension roadbed structure according to claim 1, characterized in that the support (2) is a fixed support or a movable support.
5. A high-speed magnetic suspension roadbed structure according to claim 1, characterized in that the supports (2) are ball-type steel supports.
6. A high-speed magnetic suspension roadbed structure according to claim 5, characterized in that the support (2) comprises an upper support plate (23), a lower support plate (25) and a slide carriage (24), the slide carriage (24) is located between the upper support plate (23) and the lower support plate (25), a first connecting bolt (21) is arranged on the upper support plate (23), the first connecting bolt (21) is used for connecting with the track supporting beam section (1), a second connecting bolt (26) is arranged on the lower support plate (25), and the second connecting bolt (26) is used for connecting with the joist (3).
7. A high-speed magnetic suspension roadbed structure according to claim 6, characterized in that the top of the upper bracket plate (23) is also provided with an embedded steel plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121667213.1U CN214831554U (en) | 2021-07-21 | 2021-07-21 | High-speed magnetic suspension roadbed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121667213.1U CN214831554U (en) | 2021-07-21 | 2021-07-21 | High-speed magnetic suspension roadbed structure |
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| Publication Number | Publication Date |
|---|---|
| CN214831554U true CN214831554U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121667213.1U Active CN214831554U (en) | 2021-07-21 | 2021-07-21 | High-speed magnetic suspension roadbed structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293413A (en) * | 2021-12-03 | 2022-04-08 | 中铁第四勘察设计院集团有限公司 | High-speed magnetic suspension low-position line structure and construction method thereof |
| CN114717887A (en) * | 2022-03-21 | 2022-07-08 | 中建八局第二建设有限公司 | Supporting seat device for high-speed magnetic levitation track beam body and installation method |
-
2021
- 2021-07-21 CN CN202121667213.1U patent/CN214831554U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293413A (en) * | 2021-12-03 | 2022-04-08 | 中铁第四勘察设计院集团有限公司 | High-speed magnetic suspension low-position line structure and construction method thereof |
| CN114293413B (en) * | 2021-12-03 | 2024-05-03 | 中铁第四勘察设计院集团有限公司 | Low-voltage line structure with high-speed magnetic suspension and construction method thereof |
| CN114717887A (en) * | 2022-03-21 | 2022-07-08 | 中建八局第二建设有限公司 | Supporting seat device for high-speed magnetic levitation track beam body and installation method |
| CN114717887B (en) * | 2022-03-21 | 2024-01-12 | 中建八局第二建设有限公司 | Supporting seat device for high-speed magnetic levitation track beam body and installation method |
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