CN220394174U - Track foundation of magnetic suspension train - Google Patents
Track foundation of magnetic suspension train Download PDFInfo
- Publication number
- CN220394174U CN220394174U CN202321530047.XU CN202321530047U CN220394174U CN 220394174 U CN220394174 U CN 220394174U CN 202321530047 U CN202321530047 U CN 202321530047U CN 220394174 U CN220394174 U CN 220394174U
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- bottom plate
- plate
- foundation
- anchor bolt
- concrete
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- 239000000725 suspension Substances 0.000 title description 7
- 238000005339 levitation Methods 0.000 claims description 18
- 238000007667 floating Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Railway Tracks (AREA)
Abstract
The utility model provides a track foundation of a maglev train, which comprises a plurality of uplift piles, concrete raft boards, a concrete foundation, a post-cast concrete layer and a mounting platform, wherein the mounting platform comprises a bottom plate, a top plate, a plurality of vertical plates and a plurality of anchor bolts, the bottom plate is laid on the post-cast concrete layer, each anchor bolt penetrates through the bottom plate, the lower end of each anchor bolt is poured in the concrete foundation, a leveling nut in threaded connection is arranged in the middle of each anchor bolt, a locking nut is arranged at the upper end of each leveling nut, the leveling nuts are poured in the post-cast concrete layer, the lower surface of the bottom plate is supported on the locking nuts, the upper surface of each bottom plate is locked by the locking nuts, the top plate is arranged above the bottom plate, and the upper end of each vertical plate is connected with the top plate and the lower end of each vertical plate is connected with the bottom plate. The utility model has the beneficial effects that: the leveling of the bottom plate and the top plate is realized through the leveling nut, the fine adjustment of the mounting platform is completed, the precision deviation is reduced, the casting of the post-cast concrete layer is carried out on the upper part of the anchor bolt, the mounting platform is fixed, and the high micro-precision error adjustment of the track foundation steel platform is realized.
Description
Technical Field
The utility model relates to the technical field of track foundation construction, in particular to a track foundation of a magnetic suspension train.
Background
The high-speed magnetic suspension train can greatly reduce friction force due to non-contact suspension and guiding between the train and the track, thereby improving the speed. In order to ensure safe and stable running of the high-speed magnetic levitation train on the track, the construction of a track foundation is very critical. At present, track foundation construction is carried out, an anchor bolt is pre-buried and fixed at a track foundation reinforcement binding stage, then a template is sealed and concrete is poured, but disturbance can be generated to a buried part in the binding reinforcement, the template sealing and the concrete pouring processes, the fixed anchor bolt is limited in adjustment range, high micro-precision deviation of the track foundation cannot be realized, the track construction precision is difficult to meet the requirement, and the track is possibly derailed when a subsequent train runs at a high speed.
Disclosure of Invention
In view of the above, the embodiment of the utility model provides a track foundation of a magnetic levitation train, which ensures the operation safety of a high-speed magnetic levitation device and avoids derailment.
An embodiment of the present utility model provides a track base for a magnetic levitation train, comprising:
a plurality of anti-floating piles;
a concrete raft supported by each of the uplift piles;
a T-shaped concrete foundation poured over the concrete rafts;
a post-cast concrete layer poured over the concrete foundation;
and the mounting platform comprises a bottom plate, a top plate, a plurality of vertical plates and a plurality of anchor bolts, wherein the bottom plate is laid on the post-cast concrete layer, each anchor bolt penetrates through the bottom plate, the lower end of each anchor bolt is poured in the concrete foundation, a leveling nut in threaded connection is arranged in the middle of each anchor bolt, a lock nut is arranged at the upper end of each leveling nut, the leveling nuts are poured in the post-cast concrete layer, the lower surface of the bottom plate is supported on the lock nuts, the upper surface of each leveling nut is locked by the lock nuts, the top plate is arranged above the bottom plate, and the upper ends of each vertical plate are connected with the top plate and the lower ends of the vertical plates are connected with the bottom plate.
Further, a base plate is sleeved on the anchor bolt, and the base plate is arranged between the bottom plate and the leveling nut.
Further, the lower surface of the bottom plate is provided with a plurality of shear keys extending downwards, and the shear keys are poured into the post-pouring concrete layer.
Further, the mounting platform further comprises a plurality of stiffening plates, each stiffening plate is arranged between two adjacent vertical plates, the upper end of each stiffening plate is connected with the lower surface of the top plate, and the lower end of each stiffening plate is connected with the upper surface of the bottom plate.
Further, the stiffening plate is a rectangular plate with four corners and chamfers, and two sides of the stiffening plate are respectively and vertically connected with the two vertical plates.
Further, the upper part of each anchor bolt is positioned between two adjacent risers.
Further, the anchor bolt is J-shaped, and the upper end of the anchor bolt is provided with external threads.
Further, the anti-pulling piles are arranged in two rows, and the anti-pulling piles are symmetrically arranged on the vertical middle division surface of the concrete raft.
Further, each anchor bolt is arranged in four rows, wherein the four rows of anchor bolts are symmetrically arranged relative to the vertical bisector of the concrete foundation.
Further, a plurality of mounting holes are formed in the top plate.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that:
1. according to the track foundation of the magnetic suspension train, the anchor bolts are embedded on the concrete foundation, the leveling nuts are arranged on the upper parts of the anchor bolts, the leveling of the bottom plate and the top plate is realized through the leveling nuts, the fine adjustment of the mounting platform is finished, the precision deviation is reduced, the casting of the post-cast concrete layer is carried out on the upper parts of the anchor bolts, and the mounting platform is fixed, so that the high-micro-precision error adjustment of the track foundation steel platform is realized.
2. According to the track foundation of the magnetic suspension train, the stress of the track main body is transferred to the T-shaped concrete foundation, the concrete foundation transfers the load to the concrete raft, the concrete raft transfers the load to the uplift pile, the uplift pile is designed according to the uplift pile stress, the uplift pile is enabled to be in an elastic range, all parts of the track foundation are mutually and rigidly connected, and the uniform settlement of the whole track foundation is achieved.
Drawings
FIG. 1 is a schematic illustration of a track base of a magnetic levitation train of the present utility model;
FIG. 2 is a schematic illustration of a concrete foundation, post-cast concrete layer and mounting platform arrangement;
FIG. 3 is a schematic view in section A-A of FIG. 2;
FIG. 4 is a schematic illustration of an anchor bolt;
FIG. 5 is a schematic view of a stiffener.
In the figure: 1. pulling-resistant piles; 2. concrete raft boards; 3. a concrete foundation; 4. post-pouring a concrete layer; 5. a mounting platform; 6. a rail main body; 7. a bottom plate; 8. a top plate; 9. an anchor bolt; 10. leveling the nut; 11. a lock nut; 12. a riser; 13. stiffening plates; 14. shear key; 15. a backing plate; 16. and (5) mounting holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings. The following presents a preferred one of a number of possible embodiments of the utility model in order to provide a basic understanding of the utility model, but is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
It is further noted that unless specifically stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, an embodiment of the present utility model provides a track foundation of a magnetic levitation train, which is applied to track construction of a high-speed magnetic levitation train, and mainly includes a plurality of anti-floating piles 1, concrete rafts 2, concrete foundations 3, post-cast concrete layers 4 and a mounting platform 5.
Wherein each of the uplift piles 1 is used for supporting the concrete raft 2. In this embodiment, the uplift piles 1 are arranged in two rows, the uplift piles 1 are symmetrically arranged on the vertical middle division surface of the concrete raft 2, and the uplift piles 1 are respectively supported on the left and right sides of the concrete raft 2.
The concrete foundation 3 is T-shaped, and is poured on the concrete raft 2, specifically, in the center of the concrete raft 2.
As shown in fig. 2 and 3, the post-cast concrete layer 4 is poured on the concrete foundation 3, the post-cast concrete layer 4 is formed by pouring non-shrinkage fine stone concrete, and the post-cast concrete layer 4 is poured after the mounting platform 5 is leveled and fixed.
The mounting platform 5 is mounted on the concrete foundation 3, and the mounting platform 5 is used for mounting a rail of a magnetic levitation train. The mounting platform 5 specifically comprises a bottom plate 7, a top plate 8, a plurality of vertical plates 12 and a plurality of anchor bolts 9.
As shown in fig. 4, the anchor bolt 9 is a J-shaped alloy steel anchor bolt 9, the bottom of the anchor bolt 9 is pre-buried in the concrete foundation 3, the anchor bolt 9 is vertically arranged, the upper end of the anchor bolt 9 extends out of the upper surface of the concrete foundation 3, and the upper end of the anchor bolt 9 is also provided with external threads.
The upper end of each anchor bolt 9 is respectively in threaded connection with a leveling nut 10 and a locking nut 11, wherein the locking nut 11 is positioned above the leveling nut 10. Here, the leveling nuts 10 are adjusted to level the bottom plate 7, and then the post-cast concrete layer 4 is poured so that the leveling nuts 10 are buried in the post-cast concrete layer 4.
The bottom plate 7 is laid on the post-pouring concrete layer 4, each anchor bolt 9 penetrates through the bottom plate 7, the lower surface of the bottom plate 7 is supported on the locking nut 11, and the upper surface of the bottom plate is locked by the locking nut 11. Preferably, the anchor bolt 9 is further sleeved with a base plate 15, and the base plate 15 is arranged between the bottom plate 7 and the leveling nut 10.
For better leveling of the base plate 7 from a plurality of positions, the anchors 9 are arranged in four rows, wherein the four rows of anchors 9 are symmetrically arranged relative to the vertical median plane of the concrete foundation 3, so that the anchors 9 are arranged on both sides of the base plate 7 and can be leveled from a plurality of positions on both sides of the base plate 7.
The top plate 8 is arranged above the bottom plate 7, the upper end of each vertical plate 12 is connected with the top plate 8, and the lower end of each vertical plate is connected with the bottom plate 7. The vertical plate 12 is vertically arranged, the upper end of the vertical plate 12 is vertically connected with the top plate 8, the lower end of the vertical plate is vertically connected with the bottom plate 7, and the upper end and the lower end of the vertical plate 12 are welded and connected, so that the welding seam grade is one grade.
The upper part of each anchor bolt 9 is positioned between two adjacent risers 12. The vertical plates 12 and the anchor bolts 9 are arranged at intervals, so that the load borne by the top plate 8 can be transmitted to the bottom plate 7 in a dispersed manner, and then transmitted to the concrete foundation 3 through the bottom plate 7.
As a preferable technical solution, the mounting platform 5 further includes a plurality of stiffening plates 13, each stiffening plate 13 is disposed between two adjacent risers 12, and an upper end of each stiffening plate 13 is connected to a lower surface of the top plate 8, and a lower end of each stiffening plate is connected to an upper surface of the bottom plate 7. In this embodiment, as shown in fig. 5, the stiffening plate 13 is a rectangular plate with four corners chamfered, two sides of the stiffening plate 13 are respectively and vertically connected with two vertical plates 12, and the stiffening plate 13 is simultaneously and vertically connected with the bottom plate 7 and the top plate 8. The four sides of the stiffening plate 13 are also welded together, and the welding seam is of a grade one.
Furthermore, the bottom plate 7 is provided on its lower surface with a plurality of downwardly extending shear keys 14, which shear keys 14 are poured into the post-cast concrete layer 4. The concrete foundation 3 is reserved with a containing groove, the shear key 14 is arranged in the containing groove, and the shear key 14 is buried when the post-pouring concrete layer 4 is poured.
The rail main body 6 of the maglev train is generally mounted on the top plate 8, and therefore, a plurality of mounting holes 16 are provided on the top plate 8, the mounting holes 16 are screw holes, and the rail main body 6 and the mounting holes 16 can be connected by bolts, so that the rail main body 6 is mounted on the mounting platform 5.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that they are relative concepts and can be varied in many ways depending upon the application and placement, and that the use of such orientation terms should not be taken to limit the scope of protection of the present application.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A track foundation for a magnetic levitation train, comprising:
a plurality of anti-floating piles;
a concrete raft supported by each of the uplift piles;
a T-shaped concrete foundation poured over the concrete rafts;
a post-cast concrete layer poured over the concrete foundation;
and the mounting platform comprises a bottom plate, a top plate, a plurality of vertical plates and a plurality of anchor bolts, wherein the bottom plate is laid on the post-cast concrete layer, each anchor bolt penetrates through the bottom plate, the lower end of each anchor bolt is poured in the concrete foundation, a leveling nut in threaded connection is arranged in the middle of each anchor bolt, a lock nut is arranged at the upper end of each leveling nut, the leveling nuts are poured in the post-cast concrete layer, the lower surface of the bottom plate is supported on the lock nuts, the upper surface of each leveling nut is locked by the lock nuts, the top plate is arranged above the bottom plate, and the upper ends of each vertical plate are connected with the top plate and the lower ends of the vertical plates are connected with the bottom plate.
2. A track foundation for a magnetic levitation train as defined in claim 1 wherein: and a base plate is sleeved on the anchor bolt, and the base plate is arranged between the bottom plate and the leveling nut.
3. A track foundation for a magnetic levitation train as defined in claim 1 wherein: the lower surface of the bottom plate is provided with a plurality of shear keys extending downwards, and the shear keys are poured into the post-pouring concrete layer.
4. A track foundation for a magnetic levitation train as defined in claim 1 wherein: the mounting platform further comprises a plurality of stiffening plates, each stiffening plate is arranged between two adjacent vertical plates, the upper ends of the stiffening plates are connected with the lower surface of the top plate, and the lower ends of the stiffening plates are connected with the upper surface of the bottom plate.
5. A track foundation for a magnetic levitation train as defined in claim 4 wherein: the stiffening plate is a rectangular plate with four corners being chamfered, and two sides of the stiffening plate are respectively and vertically connected with the two vertical plates.
6. A track foundation for a magnetic levitation train as defined in claim 1 wherein: each anchor bolt upper portion is located between two adjacent risers.
7. A track foundation for a magnetic levitation train as defined in claim 1 wherein: the anchor bolt is J-shaped, and the upper end of the anchor bolt is provided with external threads.
8. A track foundation for a magnetic levitation train as defined in claim 1 wherein: the anti-pulling piles are arranged in two rows, and the anti-pulling piles are symmetrically arranged on the vertical bisection plane of the concrete raft.
9. A track foundation for a magnetic levitation train as defined in claim 1 wherein: the anchors are arranged in four rows, wherein the four rows of anchors are symmetrically arranged relative to the vertical bisector of the concrete foundation.
10. A track foundation for a magnetic levitation train as defined in claim 1 wherein: and a plurality of mounting holes are formed in the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530047.XU CN220394174U (en) | 2023-06-14 | 2023-06-14 | Track foundation of magnetic suspension train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530047.XU CN220394174U (en) | 2023-06-14 | 2023-06-14 | Track foundation of magnetic suspension train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394174U true CN220394174U (en) | 2024-01-26 |
Family
ID=89603690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321530047.XU Active CN220394174U (en) | 2023-06-14 | 2023-06-14 | Track foundation of magnetic suspension train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394174U (en) |
-
2023
- 2023-06-14 CN CN202321530047.XU patent/CN220394174U/en active Active
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