CN202298456U - Large-displacement bridge telescoping device suitable for high-speed magnetic floatation traffic engineering - Google Patents
Large-displacement bridge telescoping device suitable for high-speed magnetic floatation traffic engineering Download PDFInfo
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- CN202298456U CN202298456U CN2011203688674U CN201120368867U CN202298456U CN 202298456 U CN202298456 U CN 202298456U CN 2011203688674 U CN2011203688674 U CN 2011203688674U CN 201120368867 U CN201120368867 U CN 201120368867U CN 202298456 U CN202298456 U CN 202298456U
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- bridge
- rail beam
- rail
- carriage
- big displacement
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Abstract
The utility model provides a large-displacement bridge telescoping device suitable for high-speed magnetic floatation traffic engineering. Two ends of the large-displacement bridge telescoping device are respectively equipped on the bridge surfaces of an approach bridge and a main bridge. A bridge beam end gap is provided between the approach bridge and the main bridge. The large-displacement bridge telescoping device comprises the following components: a rail beam device, a plurality of connecting rod devices and a sliding device. The rail beam device is equipped on the bridge surface of the main bridge through the sliding device. The rail beam device comprises the following components: an end rail beam, a plurality of middle rail beams and a tail rail beam, wherein the end rail beam, the middle rail beams and the tail rail beam are successively equipped separately. A rail beam clearance is respectively between two adjacent rail beams. The plurality of connecting rod devices are respectively used for connection between two adjacent rail beams. The large-displacement bridge telescoping device can disperse the telescoping amount of the wide-span bridge end beam to a plurality of adjacent rail beams for ensuring the clearance change between the stator cores of the rail beam within an allowed range.
Description
Technical field
The utility model relates to a kind of bridge extension joint, relates in particular to a kind of big displacement bridge extension joint that is applicable to the high-speed magnetic floating traffic engineering, belongs to technical field of civil engineering.
Background technology
Because the effect of gradient of temperature, wind load etc., there is big displacement in the long-span bridge girder construction at beam-ends.This displacement can not be obligated, otherwise produces excessive internal force, can cause bridge construction to be destroyed.Therefore the long-span bridge beam end is provided with expansion gap device, to adapt to the requirement of displacement deformation.
Often use the expansion gap device of forms such as modulus formula shrinkage joint, sparse toothed plate shrinkage joint on the highway bridge.The displacement deformation that the highway expansion gap device satisfies beam-ends except needs requires, still should satisfy waterproof requirement, the continuous requirement of bridge floor, thereby guarantee vehicle safety travel.
The bridge beam-ends expansion gap device of track traffic (comprising railway) then not only need satisfy the displacement deformation requirement of beam-ends, also is required to be continuous track and provides support, and guarantees its stability.In order to guarantee freely stretching of track, still the rail temperature extension adjustment device should be set simultaneously.
And in the high-speed magnetic floating traffic engineering, be provided with a series of discontinuous stator cores on the rail beam of high-speed magnetic floating circuit, for magnetic-levitation train provides vertical support force and vertical driving force.
Between described stator core, have one and allow slit scope (greatly about about 100mm).The spacing of the stator core on the same rail beam is fixed, and has longitudinal strain between rail beam, so the spacing between stator core constantly changes along with the distortion of beam.Gap between the rail beam of conventional overhead magnetic flotation line road changes and should be controlled within the prescribed limit.
But; For situation about supporting as magnetic flotation line road with the long-span bridge girder construction; Magnetic levitation track girder need be placed on the bridge; And the longitudinal extension displacement that bridge self girder Yin Wendu or wind action cause maybe be much larger than the gap variable quantity of being allowed between the stator core on the rail beam, just needs to consider excessive adjusting measure this moment.Because the particularity of magnetic levitation track girder characteristic, the aforesaid beam-ends expansion gap device that is applied to railway and highway all can't be applicable to the bridge beam-ends in the high-speed magnetic floating traffic engineering.
The utility model content
The purpose of the utility model provides a kind of big displacement bridge extension joint that is applicable to the high-speed magnetic floating traffic engineering; Can the stroke of Longspan Bridge beam-ends be distributed on a plurality of tracks adjacent beams, guarantee that the gap variation between the rail beam stator core is controlled in the permissible range.
For realizing above-mentioned purpose; The technical scheme of the utility model provides a kind of big displacement bridge extension joint that is applicable to the high-speed magnetic floating traffic engineering; Its two ends are fixedly installed on respectively on access bridge and the main bridge bridge floor, are provided with bridge beam-ends slit between said access bridge and the main bridge bridge floor; This big displacement bridge extension joint comprises: rail beam device, some linkages and carriage; Wherein, said rail beam device is arranged on the main bridge bridge floor through carriage; This rail beam device comprises end rails beam, some intermediate orbit beams and the afterbody rail beam that is provided with at interval successively, and above-mentioned each rail beam is respectively arranged with the rail beam gap between any two; Said some linkages connect respectively and are arranged between each adjacent in twos rail beam.
The length of said end rails beam, intermediate orbit beam and afterbody rail beam is identical with the length modulus of rail beam stator core.
Said end rails girder span is located on the bridge beam-ends slit, and a wherein end of this end rails beam is fixedly installed on the access bridge through vertical fixed bearing, and the other end of this end rails beam is arranged on the main bridge bridge floor through carriage.
Said afterbody rail beam is arranged on the main bridge bridge floor through carriage near an end of adjacent intermediate orbit beam, and the other end of this afterbody rail beam is fixedly installed on the main bridge bridge floor through vertical fixed bearing.
The two ends of said some intermediate orbit beams all are arranged on the main bridge bridge floor through carriage.
Said carriage adopts the rail carriage, and it comprises the track that is arranged on the main bridge bridge floor, and pre-buriedly is fixed on said each rail beam bottom and is embedded pulley or slide plate in orbit.
Said carriage adopts the trackless carriage, and it comprises the pre-buried sliding support that is fixed on said each rail beam bottom.
Said some linkages are horizontally set on end face or the bottom surface of each rail beam to connect each rail beam.
Said some linkages are vertically set on the side of each rail beam to connect each rail beam.
Said linkage comprises some connecting rods and the bearing pin that is used to be connected each connecting rod; Said connecting rod is set to the scissor structure.
The big displacement bridge extension joint that is applicable to the high-speed magnetic floating traffic engineering that the utility model provided; Can the stroke of Longspan Bridge beam-ends be distributed between each tracks adjacent beam; Make between bridge and the rail beam, the gap between the rail beam stator core all satisfies the flexible requirement of distortion; Be controlled in the allowed band, guarantee consistent variation the in slit between each rail beam simultaneously.
Description of drawings
Fig. 1 is the structural representation of the big displacement bridge extension joint before the bridge beam-ends deformation displacement in the utility model;
Fig. 2 is the structural representation of the big displacement bridge extension joint behind the bridge beam-ends deformation displacement in the utility model;
Fig. 3 is the vertical view of the big displacement bridge extension joint in the utility model.
The specific embodiment
Below in conjunction with Fig. 1～Fig. 3, specify a preferred embodiment of the utility model.
As shown in Figure 1; Be the big displacement bridge extension joint that is applicable to the high-speed magnetic floating traffic engineering that the utility model provided; Its two ends are fixedly installed on respectively on access bridge 101 and the main bridge bridge floor 102, are provided with bridge beam-ends slit 103 between said access bridge 101 and the main bridge bridge floor 102.This big displacement bridge extension joint comprises: rail beam device, some linkages 6 and carriage 5; Wherein the rail beam device is arranged on the main bridge bridge floor 102 through carriage 5.
Said rail beam device comprises end rails beam 1, some intermediate orbit beams 2 and the afterbody rail beam 3 that is provided with at interval successively, whenever is provided with rail beam gap 11 in twos between the tracks adjacent beam.
The concrete length of said end rails beam 1, intermediate orbit beam 2 and afterbody rail beam 3 can be decided according to actual bridge situation, but generally speaking, beam length should be shorter as far as possible.In the present embodiment, the length of said end rails beam 1, intermediate orbit beam 2 and afterbody rail beam 3 is identical with the length modulus of rail beam stator core.Under the condition of equal Bridge Beam end movement distortion, can shorten the length of whole big displacement bridge extension joint like this.
Said end rails beam 1 is crossed on the bridge beam-ends slit 103, and a wherein end of this end rails beam 1 is fixedly installed on the access bridge 101 through vertical fixed bearing 4, and the other end of this end rails beam 1 is arranged on the main bridge bridge floor 102 through carriage 5.
Said afterbody rail beam 3 is arranged on the main bridge bridge floor 102 through carriage 5 near an end of adjacent intermediate orbit beam 2, and the other end of this afterbody rail beam 3 is fixedly installed on the main bridge bridge floor 102 through vertical fixed bearing 4.
The two ends of said some intermediate orbit beams 2 all are arranged on the main bridge bridge floor 102 through carriage 5.
Said carriage 5 is except above-mentioned described for each rail beam of rail beam device provides the vertical support, and main is to guarantee that each rail beam can be free to slide along the bridge direction.Said carriage 5 can adopt the rail carriage, and it comprises the track that is arranged on the main bridge bridge floor 102, and pre-buriedly is fixed on said rail beam bottom and is embedded pulley or slide plate in orbit.Said carriage 5 also can adopt the trackless carriage, and it comprises and satisfies bridge end displacement deformation requirements and the pre-buried sliding support that is fixed on said rail beam bottom.
Said some linkages 6 connect respectively and are arranged on whenever in twos between the tracks adjacent beam.As shown in Figure 3, said linkage 6 can be horizontally set on end face or the bottom surface of each rail beam to connect each rail beam.In the present embodiment, can adopt one the cover linkage 6 be horizontally set on each rail beam end face to connect each rail beam; Also can adopt at least two cover linkages 6 to be horizontally disposed with to connect each rail beam, said at least two cover linkages 6 are separately positioned on the end face and the bottom surface of each rail beam.In another preferred embodiment of the utility model, said linkage 6 can be vertically set on the side of each rail beam to connect each rail beam.In like manner, can adopt one the cover linkage 6 be vertically set on each rail beam a side side to connect each rail beam; Also can adopt at least two cover linkages 6 vertical settings to connect each rail beam, said at least two cover linkages 6 are separately positioned on the side, both sides of each rail beam.The concrete set-up mode of above-mentioned various linkage 6 can be decided according to actual bridge situation.
Said linkage 6 comprises some connecting rods and the bearing pin that is used to be connected each connecting rod.Said connecting rod can be set to scissor structure as shown in Figure 3, guarantees that distortion is consistent between the adjacent orbit beam, thereby guarantees that linkage 6 performances disperse the effect of bridge beam-ends dilatation.Certainly, said connecting rod also can be set to other and anyly can guarantee the consistent structure of distortion between the adjacent orbit beam.
As shown in Figure 2; When the Longspan Bridge beam-ends is subjected to displacement; After making bridge beam-ends slit 103 deform to dwindle, owing to adopt rigid links to connect between each rail beam, under the interlock effect of connecting rod and bearing pin; Can be so that each rail beam utilizes carriage 5 in main bridge bridge floor 102 upper edge longitudinal sliding motions; And each rail beam gap 11 is consistent, thus the big displacement of bridge beam-ends is distributed between each rail beam, guaranteed that therefore the gap variation between the rail beam stator core is controlled in the allowed band.
The big displacement bridge extension joint that is applicable to the high-speed magnetic floating traffic engineering that the utility model provided; Can the stroke of Longspan Bridge beam-ends be distributed on a plurality of tracks adjacent beams; Make between bridge and the rail beam, the gap between the rail beam stator core all satisfies the flexible requirement of distortion, guarantees consistent variation the in slit between each rail beam simultaneously.
Although the content of the utility model has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to the restriction to the utility model.After those skilled in the art have read foregoing, for the multiple modification of the utility model with to substitute all will be conspicuous.Therefore, the protection domain of the utility model should be limited appended claim.
Claims (10)
1. big displacement bridge extension joint that is applicable to the high-speed magnetic floating traffic engineering; Its two ends are fixedly installed on respectively on access bridge (101) and the main bridge bridge floor (102), are provided with bridge beam-ends slit (103) between said access bridge (101) and the main bridge bridge floor (102); It is characterized in that this big displacement bridge extension joint comprises rail beam device, some linkages (6) and carriage (5);
Said rail beam device is arranged on the main bridge bridge floor (102) through carriage (5);
Said rail beam device comprises end rails beam (1), some intermediate orbit beams (2) and the afterbody rail beam (3) that is provided with at interval successively, and above-mentioned each rail beam is respectively arranged with rail beam gap (11) between any two;
Said some linkages (6) connect respectively and are arranged between each adjacent in twos rail beam.
2. big displacement bridge extension joint as claimed in claim 1 is characterized in that, the length of said end rails beam (1), intermediate orbit beam (2) and afterbody rail beam (3) is identical with the length modulus of rail beam stator core.
3. big displacement bridge extension joint as claimed in claim 2; It is characterized in that; Said end rails beam (1) is crossed on the bridge beam-ends slit (103); A wherein end of this end rails beam (1) is fixedly installed on the access bridge (101) through vertical fixed bearing (4), and the other end of this end rails beam (1) is arranged on the main bridge bridge floor (102) through carriage (5).
4. big displacement bridge extension joint as claimed in claim 2; It is characterized in that; Said afterbody rail beam (3) is arranged on the main bridge bridge floor (102) through carriage (5) near an end of adjacent intermediate orbit beam (2), and the other end of this afterbody rail beam (3) is fixedly installed on the main bridge bridge floor (102) through vertical fixed bearing (4).
5. big displacement bridge extension joint as claimed in claim 2 is characterized in that the two ends of said some intermediate orbit beams (2) all are arranged on the main bridge bridge floor (102) through carriage (5).
6. like each described big displacement bridge extension joint among the claim 3-5; It is characterized in that; Said carriage (5) adopts the rail carriage; It comprises the track that is arranged on the main bridge bridge floor (102), and pre-buriedly is fixed on said each rail beam bottom and is embedded pulley or slide plate in orbit.
7. like each described big displacement bridge extension joint among the claim 3-5, it is characterized in that said carriage (5) adopts the trackless carriage, it comprises the pre-buried sliding support that is fixed on said each rail beam bottom.
8. big displacement bridge extension joint as claimed in claim 1 is characterized in that, said some linkages (6) are horizontally set on end face or the bottom surface of each rail beam to connect each rail beam.
9. big displacement bridge extension joint as claimed in claim 1 is characterized in that, said some linkages (6) are vertically set on the side of each rail beam to connect each rail beam.
10. like claim 8 or 9 described big displacement bridge extension joints, it is characterized in that said linkage (6) comprises some connecting rods and the bearing pin that is used to be connected each connecting rod; Said connecting rod is set to the scissor structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203688674U CN202298456U (en) | 2011-09-30 | 2011-09-30 | Large-displacement bridge telescoping device suitable for high-speed magnetic floatation traffic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203688674U CN202298456U (en) | 2011-09-30 | 2011-09-30 | Large-displacement bridge telescoping device suitable for high-speed magnetic floatation traffic engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298456U true CN202298456U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203688674U Expired - Fee Related CN202298456U (en) | 2011-09-30 | 2011-09-30 | Large-displacement bridge telescoping device suitable for high-speed magnetic floatation traffic engineering |
Country Status (1)
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|---|---|
| CN (1) | CN202298456U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894334A (en) * | 2017-04-17 | 2017-06-27 | 中铁第四勘察设计院集团有限公司 | A kind of expansion gap device for large span magnetic floating traffic bridge |
| CN112144376A (en) * | 2020-09-17 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Semi-fixed personnel passageway for bridge expansion joint |
| CN112458897A (en) * | 2020-11-27 | 2021-03-09 | 同济大学 | High-speed magnetic suspension long-span cable-stayed bridge upper track beam forward-to-bridge positioning system |
| CN112482211A (en) * | 2020-12-09 | 2021-03-12 | 中铁磁浮交通投资建设有限公司 | Long stator module of high-speed magnetic suspension bridge large displacement telescoping device |
| CN112482210A (en) * | 2020-12-09 | 2021-03-12 | 中铁磁浮交通投资建设有限公司 | Large displacement telescopic device for high-speed magnetic suspension bridge |
-
2011
- 2011-09-30 CN CN2011203688674U patent/CN202298456U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894334A (en) * | 2017-04-17 | 2017-06-27 | 中铁第四勘察设计院集团有限公司 | A kind of expansion gap device for large span magnetic floating traffic bridge |
| CN112144376A (en) * | 2020-09-17 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Semi-fixed personnel passageway for bridge expansion joint |
| CN112458897A (en) * | 2020-11-27 | 2021-03-09 | 同济大学 | High-speed magnetic suspension long-span cable-stayed bridge upper track beam forward-to-bridge positioning system |
| CN112458897B (en) * | 2020-11-27 | 2022-02-18 | 同济大学 | High-speed magnetic suspension long-span cable-stayed bridge upper track beam forward-to-bridge positioning system |
| CN112482211A (en) * | 2020-12-09 | 2021-03-12 | 中铁磁浮交通投资建设有限公司 | Long stator module of high-speed magnetic suspension bridge large displacement telescoping device |
| CN112482210A (en) * | 2020-12-09 | 2021-03-12 | 中铁磁浮交通投资建设有限公司 | Large displacement telescopic device for high-speed magnetic suspension bridge |
| CN112482210B (en) * | 2020-12-09 | 2021-12-31 | 中铁磁浮交通投资建设有限公司 | Large displacement telescopic device for high-speed magnetic suspension bridge |
| WO2022121340A1 (en) * | 2020-12-09 | 2022-06-16 | 中铁磁浮交通投资建设有限公司 | High-speed maglev bridge large-displacement extension and retraction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TONGJI UNIVERSITY Free format text: FORMER OWNER: SHANGHAI MAGLEV TRANSPORTATION DEVELOPMENT CO., LTD. Effective date: 20150108 Free format text: FORMER OWNER: SHANGHAI MAGNETIC SUSPENSION COMMUNICATION ENGINEERING TECHNOLOGY RESEARCH CENTE Effective date: 20150108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201204 PUDONG NEW AREA, SHANGHAI TO: 200092 YANGPU, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150108 Address after: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee after: Tongji University Address before: 201204 Pudong New Area, Longyang Road, No. 2520, Patentee before: Shanghai Maglev Transportation Development Co., Ltd. Patentee before: Shanghai Magnetic Suspension Communication Engineering Technology Research Cente |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20190930 |