CN203923904U - Low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type - Google Patents
Low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type Download PDFInfo
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- CN203923904U CN203923904U CN201420247736.4U CN201420247736U CN203923904U CN 203923904 U CN203923904 U CN 203923904U CN 201420247736 U CN201420247736 U CN 201420247736U CN 203923904 U CN203923904 U CN 203923904U
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- magnetic floating
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Abstract
Low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type, the driving problem causing effectively to alleviate the temperature difference dilatation of Longspan Bridge.It comprises: the reinforcing plate type section of track, and the sleeper unit that its main body is arranged by longitudinal separation and two the longitudinal junction plates that are horizontally arranged at interval that are fixed and connect as one, between each sleeper unit and longitudinal junction plate, welding arranges gusset; Track, two row are horizontally arranged at interval in bridge beam body; Backing plate, is arranged between each track end face and longitudinal junction plate bottom surface, and its end face has the fixing projection of the buckle being horizontally arranged at interval; Stone bolt assembly and buckle, foot bolt assembly bottom is pre-buried to be fixed in bridge beam body, and its top is pressed on buckle on longitudinal junction plate and the fixing projection of buckle through track, backing plate.
Description
Technical field
The utility model relates to Rail Transit System, particularly low speed magnetic floating traffic system rail telescopic adjustment structure in one.
Background technology
Middle low speed magnetic floating track traffic adopts the attractive suspension of normal conducting magnetic iron and guiding technique, by the electromagnetic attraction between U-shaped electromagnet and F shaped steel rail on vehicle suspension frame, realizes suspension and the guiding of vehicle.The middle low speed magnetic floating track structure of domestic existing application at present, the main steel tie pattern that adopts, track is mainly made up of parts such as tablet, F rail, expansion coupling, connector and securing member, H shaped steel sleeper, fastener system, railway roadbeds from top to bottom, mats formation taking the section of track as whole unit.F rail, steel tie and tablet are assembled into the section of track in factory or Assembling base, and the section of track couples together by F rail joint design at the scene, vertical, horizontal to neutralizing longitudinally enough temperature difference telescopic displacement regulated quantitys to ensure track.The design of F rail joint design need take into full account the convenience of the characteristic of expanding with heat and contract with cold, rail smooth requirement, train stability sexual demand and the operation maintenance of magnetic levitation track, and bonding strength, stability and the reliability of F rail joint design is train safe, key steady and that move fast.
In consideration, Low-speed maglev vehicle suspension control system feature and vehicle driving need, and the design of two sections of F rail rail gap sizes is restricted.In city-building industry standard CJ/T413-2012 " middle low speed magnetic floating traffic section of track general technical specifications ", I type, II type and three kinds of F rail joints of III type are defined, but the rail gap stroke that it can bear is also limited, rail gap stroke excursion is only 10mm～40mm.Existing joint design is the rail gap stroke that adapts to passively two sections of F rails, can not fundamentally carry out active adjustment to rail gap stroke.Excessive rail gap stroke, can not meet vehicle driving demand, can not in the structure of existing F rail joint, realize.
Domestic and international multiple mechanism has all launched the design and researchp of middle low speed magnetic floating track structure, in the majority with Japan and Chinese research mechanism, but because the bridge span adopting is at present less, and beam type is generally simply supported beam or little span concrete continuous beam, research for the dilatation adjuster of middle low speed magnetic floating traffic route middle orbit does not also obtain enough attention, in domestic and international published technical data up to now, not yet there is the relevant middle lower speed transportation systems rail telescopic adjuster device that is suitable for using on long span bridge of introducing.Along with middle low speed magnetic floating traffic as a kind of new city system of rail traffic in big and medium-sized cities and the popularization gradually of tourist attraction, will be in the face of the situation of varied leap river valley and city major road, therefore, in Longspan Bridge situation, the design and researchp of middle low speed magnetic floating rail telescopic deformation adjustment is just extremely necessary.
At home in the existing track structure that has dropped into actual tests line or operation line, because of bridge span less, the dilatation amount producing because of the temperature difference of bridge and track is also little, substantially can be controlled in 40mm, this,, for vehicle suspension control system and rail joint design, can adapt to this deformation quantity.But, in the time that bridge span increases, variations in temperature will cause the retractable variable of larger bridge, within the scope of design temperature deformation quantity can reach 200mm and more than, continue to use the track restrained mode that the current middle low speed magnetic floating section of track is fixed in bridge beam body, is adopted between the adjacent section of track general F rail joint to connect by fastener if continue, in line design, will strictly limit bridge span, in impact, the system suitability of low speed magnetic floating traffic on long span bridge, is unfavorable for applying of middle low speed magnetic floating technology.
Utility model content
Technical problem to be solved in the utility model is to provide low speed magnetic floating traffic system rail telescopic adjustment structure in a kind of buckle type, the driving problem causing effectively to alleviate the temperature difference dilatation of Longspan Bridge.
It is as follows that the utility model solves the technical scheme that its technical problem adopts:
Low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type of the present utility model, it is characterized in that it comprises: the reinforcing plate type section of track, the sleeper unit that its main body is arranged by longitudinal separation and two the longitudinal junction plates that are horizontally arranged at interval that are fixed and connect as one, between each sleeper unit and longitudinal junction plate, welding arranges gusset; Track, two row are horizontally arranged at interval in bridge beam body; Backing plate, is arranged between each track end face and longitudinal junction plate bottom surface, and its end face has the fixing projection of the buckle being horizontally arranged at interval; Stone bolt assembly and buckle, foot bolt assembly bottom is pre-buried to be fixed in bridge beam body, and its top is pressed on buckle on longitudinal junction plate and the fixing projection of buckle through track, backing plate.
The beneficial effects of the utility model are, can greatly reduce the circuit bearing of trend interaction force of bridge and track, improve the stress of track and bridge, effectively discharge the large dilatation that Longspan Bridge produces because of variations in temperature simultaneously, adapt to 40mm and above bridge large deformation; Can keep rail gap to change unlikely excessive, the adjacent section of track of stable connection, maintains circuit smooth-going, thereby the system suitability of low speed magnetic floating traffic in improving is guaranteed safety, the even running of vehicle; Simple in structure, be convenient to install and processing, and be easy to safeguard, can greatly improve track laying efficiency, reduce investment and operation maintenance cost.
Brief description of the drawings
This manual comprises following seven width accompanying drawings:
Fig. 1 is the stereogram of low speed magnetic floating traffic system rail telescopic adjustment structure in the utility model buckle type;
Fig. 2 is the left view of low speed magnetic floating traffic system rail telescopic adjustment structure embodiment 1 in the utility model buckle type;
The top view of low speed magnetic floating traffic system rail telescopic adjustment structure embodiment 1 in Fig. 3 the utility model buckle type;
Fig. 4 is the stereogram of buckle in low speed magnetic floating traffic system rail telescopic adjustment structure in the utility model buckle type;
Fig. 5 is the stereogram of the horizontal block of sleeper in low speed magnetic floating traffic system rail telescopic adjustment structure in the utility model buckle type;
Fig. 6 is the stereogram of backing plate in low speed magnetic floating traffic system rail telescopic adjustment structure in the utility model buckle type;
Fig. 7 is the stereogram of the reinforcing plate type section of track in low speed magnetic floating traffic system rail telescopic adjustment structure in the utility model buckle type.
The title of member shown in figure and corresponding mark: sleeper unit 11, installing hole 11a, longitudinal junction plate 12, gusset 13, stone bolt assembly 20, track 21, backing plate 22, buckle fixing projection 22a, stopper slot 22b, buckle 23, position limiting structure 23a, the horizontal block 24 of sleeper.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to Fig. 7, Fig. 1, Fig. 2 and Fig. 3, in buckle type of the present utility model, low speed magnetic floating traffic system rail telescopic adjustment structure comprises: the reinforcing plate type section of track, the sleeper unit 11 that its main body is arranged by longitudinal separation and two the longitudinal junction plates 12 that are horizontally arranged at interval that are fixed and connect as one, between each sleeper unit 11 and longitudinal junction plate 12, welding arranges gusset 13; Track 21, two row are horizontally arranged at interval in bridge beam body; Backing plate 22, is arranged between each track 21 end faces and longitudinal junction plate 12 bottom surfaces, and its end face has the fixing projection 22a of the buckle being horizontally arranged at interval; Stone bolt assembly 20 and buckle 23, stone bolt assembly 20 bottoms are pre-buried to be fixed in bridge beam body, and its top is pressed on buckle 23 on longitudinal junction plate 12 and the fixing projection 22b of cross spacing buckle through track 21, backing plate 22.
Because the retractable variable of bridge is determined by bridge material self-characteristic, can not control deformation quantity from structure design, for this reason, for reducing the impact of bridge stroke on driving, can only consider longitudinally discharging the flexible of bridge, making it can have relative motion between track structure, thereby need to fundamentally change the way of restraint of existing track structure, by the horizontal fixed constraint of the upper existing bolt in single sleeper i shaped steel bottom, change the constraint on reinforcing plate type section of track structure longitudinal beam into.
With reference to Fig. 7, the cross section of described sleeper unit 11 is I shape, and gusset 13 is symmetricly set in its both sides.Longitudinal two ends of sleeper unit 11 offer installing hole 11a, and F rail, by being detachably mounted on sleeper unit 11 through installing hole 11a bolt assembly, without relative motion, forms rail module between the guarantee section of track and F rail.
With reference to Fig. 1 and Fig. 6, the plane projection of described track 21, backing plate 22 is rectangle, below the gusset 13 of each sleeper unit 11, respectively arranges one group.On backing plate 22, the quantity of the fixing projection 22a of buckle is two, and the fixing projection 22a of these two buckles lays respectively at inner side, the outside of longitudinal junction plate 12.Between the fixing projection 22a of buckle and longitudinal junction plate 12, the horizontal block 24 of sleeper can be set.With reference to Fig. 6, the top of the fixing projection 22a of buckle has stopper slot 22b in the outer part, and the outside of buckle 23 has the position limiting structure 23a adapting with stopper slot 22b.
The structure that buckle 23 is succinct and small size profile, be beneficial to track 21 and backing plate 22 sizes further reduce, and reduces investment and operation maintenance cost.The design of buckle 23 numbers and the required buckle press providing and longitudinal resistance, the traction braking characteristic that should pass through in conjunction with existing maglev vehicle, buckle material, profile, section of track bottom and the frictional behavior of carrier module Contact face and the intensity of section of track structure and bending resistance deformation characteristic are determined.
Some principles of low speed magnetic floating traffic system rail telescopic adjustment structure in the above the utility model buckle type that just explains through diagrams, be not the utility model to be confined to shown in and in described concrete structure and the scope of application, therefore the corresponding modify being likely utilized every and equivalent, all belong to the scope of the claims that the utility model is applied for.
Claims (5)
1. low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type, it is characterized in that it comprises: the reinforcing plate type section of track, the sleeper unit (11) that its main body is arranged by longitudinal separation and two the longitudinal junction plates (12) that are horizontally arranged at interval that connect as one that are fixed, between each sleeper unit (11) and longitudinal junction plate (12), welding arranges gusset (13); Track (21), two row are horizontally arranged at interval in bridge beam body; Backing plate (22), is arranged between each track (21) end face and longitudinal junction plate (12) bottom surface, and its end face has the fixing projection (22a) of the buckle being horizontally arranged at interval; Stone bolt assembly (20) and buckle (23), pre-buried being fixed in bridge beam body in stone bolt assembly (20) bottom, its top is pressed on buckle (23) on longitudinal junction plate (12) and the fixing projection (22b) of buckle through track (21), backing plate (22).
2. low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type as claimed in claim 1, it is characterized in that: longitudinal two ends of described sleeper unit (11) offer installing hole (11a), F rail is by being detachably mounted on sleeper unit (11) through the bolt assembly of installing hole (11a).
3. low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type as claimed in claim 2, is characterized in that: the cross section of described sleeper unit (11) is I shape, and gusset (13) is symmetricly set in its both sides.
4. low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type as claimed in claim 3, it is characterized in that: the plane projection of described track (21), backing plate (22) is rectangle, respectively arrange one group in gusset (13) below of each sleeper unit (11); The quantity of the fixing projection (22a) of the upper buckle of backing plate (22) is two, and the fixing projection (22a) of these two buckles lays respectively at inner side, the outside of longitudinal junction plate (12); Buckle is fixed projection (22a) and longitudinally between junction plate (12), is provided with the horizontal block of sleeper (24).
5. low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type as claimed in claim 3, it is characterized in that: the top that described buckle is fixed projection (22a) has stopper slot (22b) in the outer part, the outside of buckle (23) has the position limiting structure (23a) adapting with stopper slot (22b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247736.4U CN203923904U (en) | 2014-05-14 | 2014-05-14 | Low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247736.4U CN203923904U (en) | 2014-05-14 | 2014-05-14 | Low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203923904U true CN203923904U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420247736.4U Withdrawn - After Issue CN203923904U (en) | 2014-05-14 | 2014-05-14 | Low speed magnetic floating traffic system rail telescopic adjustment structure in buckle type |
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| CN (1) | CN203923904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389265A (en) * | 2014-05-14 | 2015-03-04 | 中铁二院工程集团有限责任公司 | Buckle plate type track expansion adjusting structure of medium-low speed magnetic levitation transportation system |
| CN110029541A (en) * | 2019-03-26 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | A kind of beam type high-speed magnetic floating steel construction section of track in length and breadth |
-
2014
- 2014-05-14 CN CN201420247736.4U patent/CN203923904U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389265A (en) * | 2014-05-14 | 2015-03-04 | 中铁二院工程集团有限责任公司 | Buckle plate type track expansion adjusting structure of medium-low speed magnetic levitation transportation system |
| CN110029541A (en) * | 2019-03-26 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | A kind of beam type high-speed magnetic floating steel construction section of track in length and breadth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Yan Inventor after: Cai Wenfeng Inventor after: Yan Hua Inventor after: Lin Hongsong Inventor after: Zhang Lei Inventor after: Yu Haowei Inventor before: Li Yan Inventor before: Cai Wenfeng Inventor before: Yan Hua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI YAN CAI WENFENG YAN HUA TO: LI YAN CAI WENFENG YAN HUA LIN HONGSONG ZHANG LEI YU HAOWEI |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |