CN208472484U - A kind of damping type magnetic floating system rail telescopic adjustment structure - Google Patents
A kind of damping type magnetic floating system rail telescopic adjustment structure Download PDFInfo
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- CN208472484U CN208472484U CN201820974560.0U CN201820974560U CN208472484U CN 208472484 U CN208472484 U CN 208472484U CN 201820974560 U CN201820974560 U CN 201820974560U CN 208472484 U CN208472484 U CN 208472484U
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Abstract
A kind of damping type magnetic floating system rail telescopic adjustment structure, be effectively relieved Loads of Long-span Bridges temperature difference dilatation and beam-ends deformation caused by drive a vehicle problem, and reduce the vibration of magnetic floating system rail telescopic adjustment structure.Including the section of track being located in bridge beam body, in at least two column longitudinally guiding slots that are horizontally arranged at interval in bridge beam body under the section of track, each column longitudinally guiding slot is made of the longitudinally guiding slot unit of longitudinal gap, and the vertical spacing slot longitudinally extended is arranged in two lateral sidewalls of each longitudinally guiding slot unit.It is arranged in each longitudinally guiding slot unit and the elastic roller in mounting base is installed on by retractable spindle, the both ends of retractable spindle is protruded into ipsilateral vertical spacing slot, and mounting base forms a fixed connection with the section of track.
Description
Technical field
The utility model relates to Rail Transit System, in particular to a kind of damping type magnetic floating system rail telescopic adjusts knot
Structure.
Background technique
Medium-and low-speed maglev rail traffic uses the attractive suspension of normal conducting magnetic iron and guiding technique, by vehicle suspension frame
U-shaped electromagnet and F shaped steel rail between electromagnetic attraction, realize the suspension and guiding of vehicle.The country has application at present
Medium-and low-speed maglev track structure mainly uses steel tie pattern, and track is from top to bottom mainly by tablet, F rail, telescopic joint, company
The part such as fitting and fastener, H profile steel sleeper, fastener system, railway roadbed forms, and integrally mats formation using the section of track as unit.F rail, rail
Pillow and tablet are assembled into the section of track in factory or on-site assembly base, and the section of track passes through F rail joint structure at the scene and connects, with
Guarantee that track is vertical, lateral to the longitudinal enough temperature difference telescopic displacement regulated quantitys of neutralization.The design of F rail joint structure need to be examined sufficiently
Consider characteristic of expanding with heat and contract with cold, orbital forcing requirement, roadability demand and the convenience of operation maintenance of magnetic levitation track, F
Bonding strength, stability and the reliability of rail joint structure are the key that train is safe, steady and quick operation.
With medium-and low-speed maglev traffic as a kind of new city system of rail traffic in big and medium-sized cities and tourist attraction
Gradually popularization, will be in face of varied across river valley and the case where the main roads of city, when bridge span increases, temperature
Variation will cause the retractable variable of bigger bridge, and deformation quantity is up to 200mm or more within the scope of design temperature.However,
In city-building professional standard CJ/T413-2012 " medium-and low-speed maglev traffic section of track general technical specifications ", I type, II are defined
Three kinds of F rail connectors of type and type III, but its rail gap stroke that can be born also is limited, and rail gap stroke variation range is only
10mm~40mm.Excessive rail gap stroke, is neither able to satisfy vehicle driving demand, can not be in the structure of existing F rail connector
Upper realization.
As medium-and low-speed maglev traffic is in the popularization of big and medium-sized cities and tourist attraction, river valley will be crossed in face of varied
The case where with city main roads, will limit the span of bridge if still using general F rail connector, influence medium-and low-speed maglev friendship
Lead to the system suitability on long span bridge, needs the medium-and low-speed maglev traffic system rail telescopic that research is suitable for Longspan Bridge
Adjustment structure.For this purpose, being disclosed respectively in Chinese patent CN201410203244.X and CN201410203560.7 low in one kind
Fast magnetic suspension traffic system rail telescopic adjustment structure is utilized respectively long slot hole, small-resistant fastener system to reduce bridge and track
In the interaction force of route extending direction, but it is more demanding to the long service of slot and small-resistant fastener system, it adapts to
Bridge deformation ability slightly has deficiency.However also there is vibration excessive problem during operation in existing telescopic regulation structure,
Therefore, in the case of for Longspan Bridge, the design and research of medium-and low-speed maglev rail telescopic deformation adjustment still extremely have must
It wants.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of damping type magnetic floating system rail telescopic adjustment structure,
Be effectively relieved Loads of Long-span Bridges temperature difference dilatation and beam-ends deformation caused by drive a vehicle problem, and reduce magnetic floating system track
The vibration of telescopic regulation structure.
It is as follows that the utility model solves technical solution used by its technical problem:
A kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model, including the rail being located in bridge beam body
Row, it is characterized in that: in at least two column longitudinally guiding slots that are horizontally arranged at interval in bridge beam body, each column longitudinally guiding under the section of track
Slot is made of the longitudinally guiding slot unit of longitudinal gap, is arranged in two lateral sidewalls of each longitudinally guiding slot unit and longitudinally extends
Vertical spacing slot；It is arranged in each longitudinally guiding slot unit and the elastic roller in mounting base is installed on by retractable spindle, it can
The both ends of telescopic shaft are protruded into ipsilateral vertical spacing slot, and mounting base forms a fixed connection with the section of track.
The utility model has the beneficial effects that bridge and track can be reduced in the interaction force of route extending direction, release
The big dilatation that amplification span bridge generates by temperature change；Elastic roller can reduce the vibration of rail telescopic adjustment structure
It is dynamic, and the deformation of bridge can be adapted to a certain extent, improve the stress of track and bridge, adapts to the large deformation of bridge；
Rail gap variation can be reduced, be stably connected with the adjacent section of track, maintain route smooth, to improve the suitable of medium-and low-speed maglev traffic system
Ying Xing, it is ensured that operation security, steady；Structure is simple, can avoid telescopic regulation structure effect failure caused by track component corrosion,
It is easily installed and processes, and is easy to maintain, track laying efficiency can be greatly improved, reduce investment and operation maintenance cost.
Detailed description of the invention
This specification includes following ten width attached drawing:
Fig. 1 is the perspective view of the section of track in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model；
Fig. 2 is a kind of solid of damping type magnetic floating system rail telescopic adjustment structure middle rib plate frame of the utility model
Figure；
Fig. 3 is the decomposition diagram of the section of track in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model；
Fig. 4 is the perspective view of beam body in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model；
Fig. 5 is a kind of cross-section diagram of damping type magnetic floating system rail telescopic adjustment structure of the utility model；
Fig. 6 is beam body and straight skidding slot in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model
Partial enlarged view；
Fig. 7 is elastic roller, scalable rolling in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model
The partial enlarged view of axis and straight skidding slot, vertical spacing slot；
Fig. 8 is the mounting means of elastic roller in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model
With the structural schematic diagram of scalable roller bearing；
Fig. 9 be in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model the cross section of sleeper unit and
The set-up mode schematic diagram of additional mass；
Figure 10 is the cross section of sleeper unit in a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model
With the set-up mode schematic diagram of additional mass；
Component and corresponding label are shown in figure: longitudinally connected plate 11 with ribbing, sleeper unit 12, top plate 121, bottom plate 122,
Floor 123, resilient sleeper-bearing 13, iron chair 14, track 15, F rail 16, anchor bolt 20, mounting base 21, elastic roller 22, can
Telescopic shaft 23, fixing axle 231, telescopic shaft 232, compressed spring 233, additional mass 30, elastic component 31, bridge beam body 40,
Longitudinally guiding slot 41, vertical spacing slot 42.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to Fig. 3 to Fig. 7, a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model, including it is located at
The section of track in bridge beam body 40, in at least two column longitudinally guiding slots that are horizontally arranged at interval in bridge beam body 40 under the section of track, respectively
Column longitudinally guiding slot is made of the longitudinally guiding slot unit 41 of longitudinal gap, in two lateral sidewalls of each longitudinally guiding slot unit 41
The vertical spacing slot 42 longitudinally extended is set.Setting is installed on by retractable spindle 23 in each longitudinally guiding slot unit 41
The elastic roller 22 on seat 21 is filled, the both ends of retractable spindle 23 are protruded into ipsilateral vertical spacing slot 42, mounting base 21 and section of track shape
At being fixedly connected.Rail row supporting guide groove unit 41 can be slid along longitudinal direction on elastic roller 22, eliminate bridge and track
Longitudinal interaction, to discharge the big dilatation that Longspan Bridge is generated by temperature change.Longitudinally guiding slot unit 41
Length determines jointly according to bridge span, track structure design temperature range and structure dilatation amount.Elastic roller 22 is set
The vibration that can reduce rail telescopic adjustment structure is set, and the deformation of bridge can be adapted to a certain extent, improves track and bridge
The stress of beam adapts to the large deformation of bridge.Rail gap variation can be reduced, be stably connected with the adjacent section of track, maintain route smooth,
To improve the adaptability of medium-and low-speed maglev traffic system, it is ensured that operation security, steady.
Referring to Fig. 6, the longitudinally guiding slot unit 41, vertical spacing slot 42 can be the precast construction of bridge beam body 40,
It is also possible to the pre- rigid member being embedded in bridge beam body 40.
Referring to 1, Fig. 2 and Fig. 3, the section of track includes by two be horizontally arranged at interval longitudinally connected plates 11 with ribbing, longitudinal
The fin-plate type frame that spaced sleeper unit 12 is constituted, and set with two longitudinally connected 11 lower section longitudinal gaps of plate with ribbing
Support unit is set, each support unit is fixedly connected on the bottom surface of longitudinally connected plate 11 with ribbing by anchor bolt 20.Referring to Fig. 3 and
Fig. 7, the position of each support unit is corresponding with the position of each longitudinally guiding slot unit 41, and the lower part of anchor bolt 20 extends
Enter in corresponding longitudinally guiding slot unit 41 and is fixedly connected with mounting base 21.In general, each support unit is by from top to down
Resilient sleeper-bearing 13, iron chair 14 and the track 15 set gradually is constituted.
Referring to Fig. 7 and Fig. 8, the retractable spindle 23 is made of fixing axle 231 with the telescopic shaft 232 for being set in both ends, is stretched
Compressed spring 233 is set between contracting axis 232 and fixing axle 231, and elastic roller 22 is mounted in fixing axle 231.It stretches at both ends
Axis 232 is matched with elastic roller 22, vertical spacing slot 42, can effectively limit the section of track and vertical displacement occurs, it is ensured that route is put down
It is pliable.
Referring to Fig. 3, for the vibration for further decreasing magnetic floating system rail telescopic adjustment structure, on the section of track along longitudinal direction between
Every setting additional mass 30, each additional mass 30 is fixedly connected on by the elastic component 31 with rigidity and damping characteristic
On the section of track.Referring to Fig. 5 and Fig. 9, the cross section of the sleeper unit 12 has top plate 121, bottom plate 122 and floor in I-shaped
123, the longitudinal both ends of top plate 121 pass through bolt assembly installation settings F rail 16.Referring to Fig. 9, Figure 10, the additional mass 30 is logical
It crosses elastic component 31 to be mounted on the two sidewalls of floor 123, or is mounted on the bottom surface of bottom plate 122.
The above is a kind of damping type magnetic floating system rail telescopic adjustment structure of the utility model that explains through diagrams
Some principles are not intended to shown in being confined to the utility model and in the specific structure and the scope of application, therefore all institutes
It is possible that the corresponding modification being utilized and equivalent, belong to the applied the scope of the patents of the utility model.
Claims (8)
1. a kind of damping type magnetic floating system rail telescopic adjustment structure, including the section of track being located on bridge beam body (40), feature
Be: in at least two column longitudinally guiding slots that are horizontally arranged at interval on bridge beam body (40) under the section of track, each column longitudinally guiding slot by
The longitudinally guiding slot unit (41) of longitudinal gap is constituted, and setting is longitudinal in two lateral sidewalls of each longitudinally guiding slot unit (41) prolongs
The vertical spacing slot (42) stretched；Setting is installed on mounting base by retractable spindle (23) in each longitudinally guiding slot unit (41)
(21) elastic roller (22) on, the both ends of retractable spindle (23) are protruded into ipsilateral vertical spacing slot (42), mounting base (21) with
The section of track forms a fixed connection.
2. a kind of damping type magnetic floating system rail telescopic adjustment structure as described in claim 1, it is characterized in that: the section of track packet
Include the floor being made of the sleeper unit (12) of two be horizontally arranged at interval longitudinally connected plates (11) with ribbing, longitudinal gap setting
Formula frame, and support unit is set with longitudinal gap below two longitudinally connected plates (11) with ribbing, each support unit is by anchoring
Bolt (20) is fixedly connected on the bottom surface of longitudinally connected plate (11) with ribbing.
3. a kind of damping type magnetic floating system rail telescopic adjustment structure as claimed in claim 2, it is characterized in that: each support
The position of unit is corresponding with the position of each longitudinally guiding slot unit (41), and the lower part of anchor bolt (20) extends into corresponding vertical
It is fixedly connected into guide groove unit (41) and with mounting base (21).
4. a kind of damping type magnetic floating system rail telescopic adjustment structure as claimed in claim 3, it is characterized in that: each support
Unit is made of the resilient sleeper-bearing (13), iron chair (14) and track (15) set gradually from top to down.
5. a kind of damping type magnetic floating system rail telescopic adjustment structure as described in claim 1, it is characterized in that: described scalable
Axis (23) is by fixing axle (231) and is set in the telescopic shaft (232) at both ends and constitutes, between telescopic shaft (232) and fixing axle (231)
It is arranged compressed spring (233), elastic roller (22) is mounted on fixing axle (231).
6. a kind of damping type magnetic floating system rail telescopic adjustment structure as claimed in claim 2, it is characterized in that: on the section of track
Longitudinally spaced setting additional mass (30), each additional mass (30) pass through the elastic component with rigidity and damping characteristic
(31) it is fixedly connected on the section of track.
7. a kind of damping type magnetic floating system rail telescopic adjustment structure as claimed in claim 6, it is characterized in that: the sleeper list
The cross section of first (12) has top plate (121), bottom plate (122) and floor (123), top plate (121) longitudinal direction both ends lead in I-shaped
Cross bolt assembly installation settings F rail (16).
8. a kind of damping type magnetic floating system rail telescopic adjustment structure as claimed in claim 7, it is characterized in that: the additional matter
Gauge block (30) is mounted on the two sidewalls of floor (123) by elastic component (31), or is mounted on the bottom surface of bottom plate (122)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974560.0U CN208472484U (en) | 2018-06-22 | 2018-06-22 | A kind of damping type magnetic floating system rail telescopic adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974560.0U CN208472484U (en) | 2018-06-22 | 2018-06-22 | A kind of damping type magnetic floating system rail telescopic adjustment structure |
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| Publication Number | Publication Date |
|---|---|
| CN208472484U true CN208472484U (en) | 2019-02-05 |
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ID=65214988
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820974560.0U Active CN208472484U (en) | 2018-06-22 | 2018-06-22 | A kind of damping type magnetic floating system rail telescopic adjustment structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951316A (en) * | 2018-06-22 | 2018-12-07 | 中铁二院工程集团有限责任公司 | A kind of damping type magnetic floating system rail telescopic adjustment structure |
| CN110438853A (en) * | 2019-09-11 | 2019-11-12 | 天津市广山津达机械有限责任公司 | A kind of modularization F track girder |
| CN110924243A (en) * | 2019-10-18 | 2020-03-27 | 中铁磁浮交通投资建设有限公司 | Medium-low speed magnetic levitation track sensor detection surface seamless expansion device |
| WO2021063225A1 (en) * | 2019-09-30 | 2021-04-08 | 比亚迪股份有限公司 | Guide rail beam of rail vehicle, rail beam unit and rail beam |
| WO2021063226A1 (en) * | 2019-09-30 | 2021-04-08 | 比亚迪股份有限公司 | Guide rail beam of railway vehicle, rail beam unit, and rail beam |
-
2018
- 2018-06-22 CN CN201820974560.0U patent/CN208472484U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951316A (en) * | 2018-06-22 | 2018-12-07 | 中铁二院工程集团有限责任公司 | A kind of damping type magnetic floating system rail telescopic adjustment structure |
| CN110438853A (en) * | 2019-09-11 | 2019-11-12 | 天津市广山津达机械有限责任公司 | A kind of modularization F track girder |
| WO2021063225A1 (en) * | 2019-09-30 | 2021-04-08 | 比亚迪股份有限公司 | Guide rail beam of rail vehicle, rail beam unit and rail beam |
| WO2021063226A1 (en) * | 2019-09-30 | 2021-04-08 | 比亚迪股份有限公司 | Guide rail beam of railway vehicle, rail beam unit, and rail beam |
| CN110924243A (en) * | 2019-10-18 | 2020-03-27 | 中铁磁浮交通投资建设有限公司 | Medium-low speed magnetic levitation track sensor detection surface seamless expansion device |
| CN110924243B (en) * | 2019-10-18 | 2020-07-28 | 中铁磁浮交通投资建设有限公司 | Medium-low speed magnetic levitation track sensor detection surface seamless expansion device |
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