CN209162549U - A kind of beam-rail integration medium-and low-speed maglev track girder - Google Patents
A kind of beam-rail integration medium-and low-speed maglev track girder Download PDFInfo
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- CN209162549U CN209162549U CN201821669742.3U CN201821669742U CN209162549U CN 209162549 U CN209162549 U CN 209162549U CN 201821669742 U CN201821669742 U CN 201821669742U CN 209162549 U CN209162549 U CN 209162549U
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Abstract
The utility model discloses a kind of beam-rail integration medium-and low-speed maglev track girders, including beams of concrete (1), F rail (2) and attachment device, the attachment device includes bolt (3), the first connector (6), the second connector (7) and WELDING STUDS (8), along track girder length direction, multiple stiffened panels (9) are equipped with close to F rail (2) the side array in the T-type connection structure.The beam of the utility model-rail integration medium-and low-speed maglev track girder, eliminate the structures such as gooseneck, fastener, plummer and the support of existing medium-and low-speed maglev track girder, greatly reduce the height of entire track beam structure, the load such as the body movement that F rail bearing is received directly pass through beam-rail integral structure transmitting, furthermore, lateral shear active force caused by directly bearing to tilt as track in superrelation on curve Duan Liang-rail integral structure, the transmission efficiency of power between rail-beam is not only increased, and effectively prevent load effect to lead to structure failure between rail-beam.
Description
Technical field
The utility model belongs to magnetic levitation track technical field of transportation, more particularly, to low speed in a kind of beam-rail integration
Magnetic levitation track girder.
Background technique
Medium-and low-speed maglev traffic is after traditional railway technology develops more than 100 years, and optimization creates on its basis
Novel rail mode.Medium-and low-speed maglev traffic has that low noise, low vibration, Low emissivity, low cost, climbing capacity are strong, turn
The advantages such as curved radius is small, have not only saved a large amount of land resource, but also provide securely and reliably for the development of urban transportation
It is the new developing direction of field of urban traffic with energy-saving and environment-friendly new selection.In recent years, it is managed both at home and abroad in medium-and low-speed maglev traffic
By huge achievement is achieved in research and engineer application, to push the application of medium-and low-speed maglev traffic to provide important technology branch
Support.
Magnetic suspension traffic system is a kind of new terrestrial timetable planning, is with traditional wheel track traffic system significant difference
It is suspended in car body above track by suspending power, running part is not contacted with track.It is pushed away by what line inductance electromotor generated
It moves ahead in orbit into power.Medium-and low-speed maglev rail traffic uses the attractive suspension of normal conducting magnetic iron and guiding technique, passes through vehicle
The electromagnetic attraction between U-shaped electromagnet and F shaped steel rail on suspension rack, realizes the suspension and guiding of vehicle.It is low at present
Fast magnetic pontoon bridge girder construction and track structure are divided into two parts, and track structure is layed in the top of concrete-bridge, first construction bridges
Structure, track structure of then constructing on bridge.
Medium-and low-speed maglev track girder includes bridge structure and track structure two parts, as depicted in figs. 1 and 2, F rail 2 at present
Be mounted on gooseneck 10 by fastener, gooseneck 10 is connect by support with plummer 10, and plummer 10 again with concrete
Beam 1 connects, to form magnetic levitation track girder construction.There are problems: (1) track structure for the low speed magnetic floating bridge of the prior art
It is highly larger, increase structure height on bridge and roadbed, tunnel cross-section then increased in tunnel, increase track with
Load operating distance between beam, especially in superrelation on curve as shown in Figure 2, seat structure in addition to transmitting by vehicle and
Outside the gravitational load of track itself, also undertake lateral shearing force, be easy between gooseneck and plummer and F rail with
Failure is generated between fastener, influences the safety and reliability of track beam structure；(2) track structure construction is complicated, contains F
Rail, gooseneck, fastener, track and its mechanical connecting device, not only installation difficulty is big, and cost is high；(3) track structure two
Phase load is larger, causes bridge structure project amount also larger；(4) when bridge structure design, typically no consideration track structure is mentioned
The stiffness and strength of confession, waste material；(5) F rail, which is located at, is spaced in biggish gooseneck support, under Vehicle Load, F
Continuously vertical bending deformation occurs for rail, causes the Short wave irregularity of rail level.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides low speed in a kind of beam-rail integration
Magnetic levitation track girder, it is intended that cancelling gooseneck, fastener, plummer and the support etc. of existing medium-and low-speed maglev track girder
Structure, reduces the height of entire track beam structure, and the load such as body movement that F rail bearing is received directly pass through beam-rail integral structure
Transmitting, in addition, lateral shear caused by directly bearing to be tilted as track in superrelation on curve Duan Liang-rail integral structure is acted on
Power, not only increases the transmission efficiency of power between rail-beam, and effectively prevent load effect lead to structure failure between rail-beam.
To achieve the goals above, the utility model provides a kind of beam-rail integration medium-and low-speed maglev track girder, including mixed
Solidifying Tu Liang and F rail further includes set on the attachment device between the F rail and beams of concrete, and the attachment device includes bolt, the
A connection piece, the second connector and WELDING STUDS；Wherein,
Second connector is symmetrically set in the top two sides of the beams of concrete, and is located at the F rail and beams of concrete
Between top, one side and the WELDING STUDS are welded and fixed to realize its connection between the beams of concrete top, another
Side is equipped with screw thread, for realizing being detachably connected between the F rail and the second connector by the bolt；
First connector is symmetrically set in the beams of concrete two sides, and its top it is vertical with second connector with
T-type connection structure is constituted with second connector, first connector and the WELDING STUDS, which are welded and fixed, realizes itself and institute
State being fixedly connected between beams of concrete；And
Along track girder length direction, multiple stiffened panels are equipped with close to F rail side array in the T-type connection structure,
The stiffened panel is connected in the root portion of the F rail just, to form the support to attachment device, constitutes in beam-rail integration
Low speed magnetic floating track girder.
Further, between the F rail and the second connector be equipped with height adjusting cushion plate, the height adjusting cushion plate be different-thickness with
The needs of adjustment height above rail surface are adapted to, so as to adjust the ride comfort of track.
Further, the top of the beams of concrete is plane and straight line type or superrelation on curve type, and first connector
Second connector is fitted closely with beams of concrete chamfered surface always by WELDING STUDS.
Further, the WELDING STUDS according to stress needs be evenly arranged along first connector and the second connector or
At interval of certain distance centralized arrangement several, and first connector and the second connector match.
Further, first connector and the second connector are longitudinally continuous setting, Huo Zheyan along the beams of concrete
The beams of concrete is longitudinally respectively arranged one piece of first connector and the second connector at a certain distance.
Further, first connector, the second connector and the stiffened panel are welded into overall structure.
Further, the end of the F rail, height adjusting cushion plate and the second connector is equipped with bolt hole or through-hole, the spiral shell
The diameter of bolt described in the aperture ratio of keyhole or through-hole is big.
Further, the bolt hole or through-hole are round or oblong, for passing through second connector for the F
Rail, height adjusting cushion plate and the second connector are fixedly connected.
Further, gradient regulating device is arranged in the beams of concrete bottom, for the inclination angle according to practical bend
It spends, the tilt angle of beams of concrete described in automatic adjusument.
Further, the section of the beams of concrete be Back Word type section, aerofoil section, i shaped cross section, T section or
Trapezoid cross section.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Column the utility model has the advantages that
(1) beam of the utility model-rail integration medium-and low-speed maglev track girder, eliminates existing medium-and low-speed maglev track girder
The structures such as gooseneck, fastener, plummer and support, greatly reduce the height of entire track beam structure, the vehicle that F rail bearing is received
The load such as body movement directly pass through beam-rail integral structure transmitting, in addition, direct in superrelation on curve Duan Liang-rail integral structure
The lateral shear active force as caused by track inclination is born, not only increases the transmission efficiency of power between rail-beam, and effectively keep away
Having exempted from load effect leads to structure failure between rail-beam.
(2) beam of the utility model-rail integration medium-and low-speed maglev track girder, the back of beams of concrete is constant, at its bottom
Gradient regulating device is arranged in portion, can be adaptive to adjust according to the tilt angle of practical bend by the gradient regulating device
The tilt angle for saving beams of concrete can not only realize multi-angle automatic adjusument, and degree of regulation is high, applicable bend angular adjustment
Range is wide, and haves no need to change the structure type of beams of concrete, saves material utilization amount, and easy construction reduces construction investment,
Specific biggish engineering application value.
(3) beam of the utility model-rail integration medium-and low-speed maglev track girder by vertical steel plate, lateral steel plate and adds
Strength plate is by being welded on vertical steel plate, the WELDING STUDS on lateral steel plate is realized and is fixedly connected with beams of concrete, formation steel-coagulation
Native composite structure, F rail are continuously supported on beams of concrete, and the vertical deformation that F rail generates under Vehicle Load is smaller, simultaneously
F rail anchor bolt can also undertake bigger horizontal shear, and orbital forcing is more preferable.
(4) beam of the utility model-rail integration medium-and low-speed maglev track girder, F rail pass through the steel knot that is embedded in bridge
Structure semi-girder is directly linked together with bridge structure, forms steel-concrete combined structure, and bridge is linked together with track, combine by
Power, structure tension performance are more preferable.
Detailed description of the invention
Fig. 1 is that medium-and low-speed maglev plane and straight line section bridge in the prior art and track arrange cross-sectional view；
Fig. 2 is that medium-and low-speed maglev superrelation on curve section bridge in the prior art and track arrange cross-sectional view；
Fig. 3 is 1 plane and straight line Duan Liang of the utility model embodiment-rail integration medium-and low-speed maglev track girder cross-sectional view；
Fig. 4 is 2 superrelation on curve Duan Liang of the utility model embodiment-rail integration medium-and low-speed maglev track girder cross-sectional view；
Fig. 5 is 2 superrelation on curve Duan Liang of the utility model embodiment-rail integration medium-and low-speed maglev track girder cross-sectional view；
Fig. 6 is the a-quadrant part drawing in Fig. 3；
Fig. 7 is the diagrammatic cross-section in Fig. 6 along 2-2 section part；
Fig. 8 is the diagrammatic cross-section in Fig. 6 along 3-3 section part.
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1- beams of concrete, 2-F
Rail, 3- bolt, 5- height adjusting cushion plate, the first connector of 6-, the second connector of 7-, 8- WELDING STUDS, 9- stiffened panel, 10- plummer,
11- gooseneck, 12- gradient regulating device.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.In addition, involved in the various embodiments of the present invention described below
And to technical characteristic can be combined with each other as long as they do not conflict with each other.
For a series of problems existing for prior art medium-and low-speed maglev track beam structure, the utility model provides a kind of tool
There is beam-rail integration medium-and low-speed maglev track girder, is symmetrical arranged beam-rail integral structure at the top of beams of concrete.The beam-
Rail integral structure includes F rail and attachment device, wherein attachment device can be varied, such as by being arranged parallel to mix
Solidifying soil back portion and perpendicular to the bi-directional member at the top of beams of concrete or the pre-buried structure part at the top of beams of concrete, in F rail one
The component or other class connection structures that side setting matches.F rail realizes connection by attachment device and beams of concrete, thus
Form the integrated medium-and low-speed maglev track girder of beam-.By this beam-rail integral structure, existing medium-and low-speed maglev is eliminated
The structures such as gooseneck, fastener, plummer and the support of track girder greatly reduce the height of entire track beam structure, F rail bearing
The load such as the body movement received directly pass through beam-rail integral structure transmitting, in addition, in superrelation on curve Duan Liang-rail integration knot
Structure directly bears lateral shear active force caused by tilting as track, not only increases the transmission efficiency of power between rail-beam, and
Effectively preventing load effect leads to structure failure between rail-beam.In addition, compared with prior art, eliminate gooseneck, fastener,
The components such as plummer and support keep structure construction simpler, effectively reduce the structure height from rail level to bridge floor, construct
Process is less, and without reserving track reinforcing bar in bridge top plate, construction technology is simpler, while but also project cost is lower.
Specifically, the utility model provides two kinds of Common examples to illustrate the technical solution of the utility model.Fig. 3~
Fig. 5 is the beam-rail one bridge structure cross-sectional view of the utility model embodiment 1；Fig. 6 is the a-quadrant part full-page proof in Fig. 3
Figure.In conjunction with Fig. 3~Fig. 6 it is found that beam-rail integration medium-and low-speed maglev track girder includes beams of concrete 1, F rail 2 and attachment device,
Wherein, attachment device includes bolt 3, the first connector 6, the second connector 7, WELDING STUDS 8 and stiffened panel 9.Beams of concrete 1 pushes up
Portion is symmetrical arranged the second connector 7, stretches out certain length, while 1 top two sides of beams of concrete are symmetrical arranged the first connector 6,
Upper part is close to the second connector 7, and stiffened panel is arranged in the shape welding structure position T that the second connector 7 and the first connector 6 are formed
9, stiffened panel 9 is needed according to structure stress along longitudinal one piece of the arrangement at spacing intervals of bridge.Preferably, F rail 2 is connect with second
Height adjusting cushion plate 5 is set between part 7, and height adjusting cushion plate 5 can be made different thickness to adapt to the needs of adjustment height above rail surface, adjustment
Orbital forcing.F rail 2, height adjusting cushion plate 5 and the second connector 7 end section be equipped with bolt hole, by bolt 3 by F rail 2,
Height adjusting cushion plate 5 and the second connector 7 are fixedly connected.First connector 6, the second connector 7 and the welding of stiffened panel 9 form whole
After body, WELDING STUDS 8 by being welded on the first connector 6, on the second connector 7 is realized to be fixedly connected with beams of concrete 1, from
And form steel-concrete combined structure.
Further, Fig. 7 is the diagrammatic cross-section in Fig. 6 along 2-2 section part, and Fig. 8 is cuing open along 3-3 section part in Fig. 6
Face schematic diagram；In conjunction with Fig. 6~Fig. 8, bolt 3 needs to be evenly arranged or along the second connector 7 at interval of certain distance according to stress
Centralized arrangement several.WELDING STUDS 8 according to stress needs be evenly arranged along the first connector 6 and the second connector 7 or at interval of
Certain distance centralized arrangement several.It is spaced on biggish gooseneck 11 in addition, the rail of F in the prior art 2 of Fig. 1 is located at, in vehicle
Under load action, continuously vertical bending deformation occurs for F rail 2, be easy to cause the Short wave irregularity of rail level, and this is practical
Novel F rail 2 is continuously supported on beams of concrete 1, and the vertical deformation that F rail 2 generates under Vehicle Load is smaller, while F
2 anchor bolt of rail can also undertake bigger horizontal shear, and orbital forcing is more preferable.
Preferably, bolt hole can be circle and be also possible to oblong.The bolt hole aperture ratio diameter of bolt is slightly larger, can carry out
The adjustment of F gauge.
Preferably, the first connector 6 and the second connector 7 can be and be longitudinally continuous along beams of concrete 1, be also possible to edge
Beams of concrete 1 is longitudinal to arrange one piece of first connector 6 and the second connector 7 at a certain distance.
Preferably, the section of beams of concrete 1 is not limited to the section form in attached drawing, is also possible to i shaped cross section, T shape
Other sections such as section, trapezoid cross section.
Preferably, in Fig. 3, the plane and straight line section of medium-and low-speed maglev track, the back of beams of concrete 1 is horizontal plane, then
First connector 6 is vertically arranged, and the second connector 7 is horizontally disposed, and stiffened panel 9 is vertical with the first connector 6 and the second connector 7
Setting；And Fig. 4 and Fig. 5 is superrelation on curve Duan Liang-rail integration medium-and low-speed maglev track girder cross of the utility model embodiment 2
Sectional view, as shown in figure 4, the back of beams of concrete 1 is inclined-plane, inclined-plane can be arranged to the left and can also be arranged to the right, and first
6 second connector 7 of connector is fitted closely with 1 chamfered surface of beams of concrete always by WELDING STUDS 8, the first connector 6 second
Connector 7 realizes exact matching, and welds always with stiffened panel 9 integral.
Preferably, as shown in figure 5, in order to adapt to the variation of medium-and low-speed maglev track girder bend, track girder needs design curve
Superelevation, at superrelation on curve end, track is typically designed as high outside and low outside structure type, with by the self weight of magnetic-levitation train to bend
The component of inside passes through centripetal force when bend as magnetic-levitation train, guarantees train safety turning.In order to realize the song of track girder
Line superelevation design can also use improved design project as shown in Figure 5, i.e. the back of beams of concrete 1 is constant, by it at it
Gradient regulating device 13 is arranged in bottom, can be adaptive according to the tilt angle of practical bend by the gradient regulating device
The tilt angle of beams of concrete 1 should be adjusted, can not only realize multi-angle automatic adjusument, degree of regulation is high, applicable curve angle
It is wide to spend adjustable range, and haves no need to change the structure type of beams of concrete 1, saves material utilization amount, easy construction reduces work
Journey investment, specific biggish engineering application value.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
For limiting the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of beam-rail integration medium-and low-speed maglev track girder, including beams of concrete (1) and F rail (2), which is characterized in that also wrap
The attachment device being set between the F rail (2) and beams of concrete (1) is included, the attachment device includes bolt (3), the first connection
Part (6), the second connector (7) and WELDING STUDS (8)；Wherein,
Second connector (7) is symmetrically set in the top two sides of the beams of concrete (1), and is located at the F rail (2) and coagulation
Between at the top of Tu Liang (1), one side and the WELDING STUDS (8) are welded and fixed to realize itself and the beams of concrete (1) top
Between connection, the other side is equipped with screw thread, for being realized between the F rail (2) and the second connector (7) by the bolt (3)
Be detachably connected；
First connector (6) is symmetrically set in the beams of concrete (1) two sides, and its top and second connector (7)
Vertically to be constituted T-type connection structure with second connector (7), first connector (6) and the WELDING STUDS (8) are welded
It is fixed to realize its being fixedly connected between the beams of concrete (1)；And
Along track girder length direction, multiple stiffened panels are equipped with close to F rail (2) the side array in the T-type connection structure
(9), the stiffened panel (9) is connected in the root portion of the F rail (2) just, to form the support to attachment device, constitutes beam-
Rail integration medium-and low-speed maglev track girder.
2. a kind of beam according to claim 1-rail integration medium-and low-speed maglev track girder, which is characterized in that the F rail
(2) height adjusting cushion plate (5) are equipped between the second connector (7), the height adjusting cushion plate (5) is different-thickness to adapt to adjustment rail level
The needs of elevation, so as to adjust the ride comfort of track.
3. a kind of beam according to claim 1-rail integration medium-and low-speed maglev track girder, which is characterized in that the coagulation
The top of Tu Liang (1) is plane and straight line type or superrelation on curve type, and (6) second connector (7) of first connector is by cutting
Power nail (8) is fitted closely with beams of concrete (1) chamfered surface always.
4. a kind of beam according to any one of claim 1-3-rail integration medium-and low-speed maglev track girder, feature exist
It is evenly arranged according to stress needs along first connector (6) and the second connector (7) or every in, the WELDING STUDS (8)
At a certain distance centralized arrangement several, and first connector (6) and the second connector (7) match.
5. a kind of beam according to any one of claim 1-3-rail integration medium-and low-speed maglev track girder, feature exist
It is longitudinally continuous setting along the beams of concrete (1) in, first connector (6) and the second connector (7), or along described mixed
Solidifying Tu Liang (1) is longitudinally respectively arranged one piece of first connector (6) and the second connector (7) at a certain distance.
6. a kind of beam according to any one of claim 1-3-rail integration medium-and low-speed maglev track girder, feature exist
In first connector (6), the second connector (7) and the stiffened panel (9) are welded into overall structure.
7. a kind of beam according to any one of claim 1-3-rail integration medium-and low-speed maglev track girder, feature exist
Be equipped with bolt hole or through-hole in, the end of the F rail (2), height adjusting cushion plate (5) and the second connector (7), the bolt hole or
The diameter of bolt described in the aperture ratio of through-hole (3) is big.
8. a kind of beam according to claim 7-rail integration medium-and low-speed maglev track girder, which is characterized in that the bolt
Hole or through-hole are round or oblong, for passing through second connector for the F rail (2), height adjusting cushion plate (5) and second
Connector (7) is fixedly connected.
9. a kind of beam according to any one of claim 1-3-rail integration medium-and low-speed maglev track girder, feature exist
In gradient regulating device (12) are arranged in beams of concrete (1) bottom, adaptive for the tilt angle according to practical bend
The tilt angle of the beams of concrete (1) should be adjusted.
10. a kind of beam according to any one of claim 1-3-rail integration medium-and low-speed maglev track girder, feature exist
In the section of the beams of concrete (1) is Back Word type section, aerofoil section, i shaped cross section, T section or trapezoid cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669742.3U CN209162549U (en) | 2018-10-15 | 2018-10-15 | A kind of beam-rail integration medium-and low-speed maglev track girder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821669742.3U CN209162549U (en) | 2018-10-15 | 2018-10-15 | A kind of beam-rail integration medium-and low-speed maglev track girder |
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| CN209162549U true CN209162549U (en) | 2019-07-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235167A (en) * | 2018-10-15 | 2019-01-18 | 中铁磁浮交通投资建设有限公司 | A kind of beam-rail integration medium-and low-speed maglev track girder |
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2018
- 2018-10-15 CN CN201821669742.3U patent/CN209162549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235167A (en) * | 2018-10-15 | 2019-01-18 | 中铁磁浮交通投资建设有限公司 | A kind of beam-rail integration medium-and low-speed maglev track girder |
| CN109235167B (en) * | 2018-10-15 | 2024-05-17 | 中铁磁浮交通投资建设有限公司 | Beam-rail integrated middle-low speed magnetic levitation track beam |
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