CN208309308U - A kind of medium-and low-speed maglev traffic system curved section support rail beam - Google Patents
A kind of medium-and low-speed maglev traffic system curved section support rail beam Download PDFInfo
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- CN208309308U CN208309308U CN201721462297.9U CN201721462297U CN208309308U CN 208309308 U CN208309308 U CN 208309308U CN 201721462297 U CN201721462297 U CN 201721462297U CN 208309308 U CN208309308 U CN 208309308U
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Abstract
The utility model discloses a kind of medium-and low-speed maglev traffic system curved section support rail beams, including reinforced concrete floor, stroke directions are provided with left side wall, right-side wall on the reinforced concrete floor, the left side wall, right-side wall upper end are provided with top plate, the top plate upper end is provided with multiple left tracks, right track, the left track, right track support the section of track, and the angle α 1 is identical as angle angle α angle.The utility model is suitable for two-wire bridge, underground structure and road structure, and structural material uses armored concrete, can satisfy the requirement of medium-and low-speed maglev engineering structure stability, intensity and deformation.It is constructed using field cast-in-place, reduces difficulty of construction.The support rail beam is connect with reinforced concrete floor using reserved steel bar pattern, is enhanced structural integrity and stability, is improved Construction control precision.Conducive to inspection and maintenance.Door-shaped frame structure is conducive to bottom plate laying cable, and piecemeal is disposed with conducive to bottom plate draining.
Description
Technical field
The utility model belongs to a kind of bridge structure, and in particular to a kind of medium-and low-speed maglev traffic system curved section support rail
Beam.
Background technique
Medium-and low-speed maglev traffic is a kind of emerging Rail Transit System, the city passenger fortune for being mainly used for middle or small freight volume
Defeated, since its climbing capacity is strong, turning radius is small, and project cost is low, and environmental pollution is small, so increasingly by city restorer
Favor.
In magnetic levitation track traffic, vehicle needs " embracing beam " operation.In the medium-and low-speed maglev operating line opened, adopt
Pick-up embraces a form for track girder traveling, and left and right line respectively sets a single-line railway beam, is set up on bridge pier.Track beam structure type
Formula mainly has the structure types such as trapezoidal box girder, U-shaped beam, I-beam.
The existing single-line railway roof beam structure runed is stood between two bridge piers, by simply supported beam or Continuous beam design, to meet
Deformation and stability requirement, structure size is generally large, and appearance shows heavy, and landscape effect is poor.And the space in its web
Small, personnel can not overhaul to it and upkeep operation.And setting evacuation platform difficulty is larger in operating line, is there is sensitivity
More difficult setting sound barrier in the case where point.
When route is curve, single-line railway beam generallys use track girder entirety deflection way and realizes track superelevation.If double
Line is arranged on same mat foundation, and the mode of deflection single line support rail beam need to be taken to realize.
Summary of the invention
The utility model is to solve medium-and low-speed maglev system to be placed in the two-wire circuit curve veering of same mat foundation and mention
Out, the purpose is to provide a kind of medium-and low-speed maglev traffic system curved section support rail beam as a result, being both able to satisfy curved section deflection and having surpassed
High setting requirement, and do not increase difficulty of construction, while also needing to guarantee the stability of conductor rail installation requirement and structure.
The technical solution of the utility model is: a kind of medium-and low-speed maglev traffic system curved section support rail beam, including reinforcing bar is mixed
Solidifying soil bottom plate is provided with left side wall, right-side wall, the left side wall, right-side wall along stroke directions on the reinforced concrete floor
Upper end is provided with top plate, and the top plate upper end is provided with multiple left tracks, right track, the left track, right track
The section of track is supported, the angle α 1 is identical as angle angle α angle.
Relative to the top plate under straightway state on the outside of the top plate and section of track keeping parallelism positional relationship, top plate and the section of track
It is determined with the superelevation value h of the section of track by following equation 1:
Wherein, D is the gauge of the section of track, and Vc is train by speed, and g is acceleration of gravity, and R is sweep.
Angle α between the support rail back plate and reinforced concrete floor is determined by following formula 2:
Wherein, L is the ground width of reinforced concrete floor, and h is on the outside of support rail back plate relative under straightway state
Superelevation value.
The left track, right track are laid along stroke directions, and the left track, right track or so one are a pair of
It answers.
The left side wall, right-side wall, top plate enclose inclined door type structure.
Skew angle is connected in the left side wall, right-side wall.
It is provided with left conductor rail support at the left side wall lateral wall, is provided with right conductor rail at the right-side wall lateral wall
Support.
The top plate is connected by top plate reserved steel bar with left track, right track, and the left side wall, right-side wall pass through
Bottom plate reserved steel bar is connected with reinforced concrete floor.
The support rail beam arranges that every piece of support rail beam is along stroke directions length according to armored concrete bottom along stroke directions piecemeal
Plate length determines that length is usually no more than 3m.
The left side wall, right-side wall steel bar overall binding and pass through concreting and form in top plate.
1, the utility model is suitable for two-wire bridge, underground structure and road structure curved section.Structural material uses reinforcing bar
Concrete can satisfy the requirement of medium-and low-speed maglev engineering structure stability, intensity and deformation.
2, in the form of the utility model is taken " by straight Dai Qu ", i.e., intended with the discontinuous straight line beam body of certain length and width
The length of conjunction magnetic flotation line road space curve, support rail beam and conductor rail is in the position that consideration vehicle pantagraph current collector may reach (containing flexible
With vibration) under the conditions of guarantee vehicle and conductor rail reliable contacts, while meet conductor rail to two sides safe distance and song
Influence of the line superelevation to support rail beam.Support rail girder construction monomer size is small, simple for structure, and good appearance, concrete amount is few, engineering
Low cost.
3, the utility model realizes the inclination of support rail back plate by the inclination of left side wall, right-side wall, to realize song
Line segment track superelevation, support rail beam lower plate still press horizontal surface construction, and superelevation setting is more flexible.Curved section support rail beam and the section of track are protected
Maintain an equal level row, to meet the requirement of conductor rail relative mounting location.Support rail beam is deflected to the inner side of curve, and support rail back plate, side wall incline
Superelevation value can be calculated by formula 1,2 and be acquired on the outside of rake angle and top plate.
4, the utility model is constructed using field cast-in-place, reduces difficulty of construction.The connection of reserved steel bar pattern, enhancing finish
Structure globality and stability improve Construction control precision.
5, the utility model is conducive to inspection and maintenance.Door-shaped frame structure is conducive to bottom plate laying cable, piecemeal cloth
It is equipped with conducive to draining, reduces self weight and reduce cost.
Detailed description of the invention
Fig. 1 is the sectional schematic diagram of the utility model；
Fig. 2 is the arrangement schematic diagram of the utility model；
Wherein:
1 reinforced concrete floor, 2 left side wall
3 right-side wall, 4 top plate
The 5 right tracks of left track 6
The left conductor rail support of 7 section of track 8
9 right conductor rail supports
D is along stroke directions support rail back plate middle line distance
D1 curved section is along stroke directions support rail back plate inner distance
D1 curved section is along stroke directions support rail back plate inner distance.
Specific embodiment
Hereinafter, the utility model is described in detail referring to drawings and examples:
As shown in Figure 1 and 2, a kind of medium-and low-speed maglev traffic system curved section support rail beam, including reinforced concrete floor, institute
It states and stroke directions is provided with left side wall 2, right-side wall 3 on reinforced concrete floor 1, the left side wall 2,3 upper end of right-side wall are set
It is equipped with top plate 4,4 upper end of top plate is provided with multiple left tracks 5, right track 6, the left track 5, right track 6
The section of track 7 is supported, the angle α 1 is identical as angle angle α angle.
The top plate 4 and 7 keeping parallelism positional relationship of the section of track, top plate 4 and 7 outside of the section of track are relative under straightway state
The superelevation value h of top plate and the section of track is determined by following equation 1:
Wherein, D is the gauge of the section of track 7, and Vc is train by speed, and g is acceleration of gravity, and R is sweep.
Angle α between the support rail back plate 4 and reinforced concrete floor 1 is determined by following formula 2:
Wherein, L is the ground width of reinforced concrete floor 1, and h is 4 outside of support rail back plate relative to straightway state
Under superelevation value.
The left track 5, right track 6 are laid along stroke directions, the left track 5, right track 6 or so one
One is corresponding.
The left side wall 2, right-side wall 3, top plate 4 enclose inclined door type structure.
Skew angle is connected in the left side wall 2, right-side wall 3.
It is provided with left conductor rail support 8 at 2 lateral wall of left side wall, is provided with the right side at 3 lateral wall of right-side wall and connects
Rail-engaging support 9.
The top plate 4 is connected by top plate reserved steel bar with left track 5, right track 6, the left side wall 2, right-side wall
3 are connected by 1 reserved steel bar of bottom plate with reinforced concrete floor 1.
The support rail beam arranges that every piece of support rail beam is along stroke directions length according to armored concrete bottom along stroke directions piecemeal
Plate length determines that length is usually no more than 3m.
The left side wall 2, right-side wall 3 steel bar overall binding and pass through concreting and form in top plate 4.
Pre-buried conductor rail support is distinguished on the outside of the left side wall 2, right-side wall 3, to meet conductor rail installation requirement.
The utility model longitudinal direction along route stroke directions take " by straight Dai Qu " in a manner of piecemeal arrangement.According to support rail beam
Monolithic support rail beam longitudinal length is determined with the contact relation of conductor rail.
The upper loads such as magnetic-levitation train, track reach support rail beam by left track 5, right track 6, then reach reinforcing bar and mix
Solidifying soil bottom plate.Two-wire Bridge Beam face can be arranged side by side two rows of support rail beams, lighter and handier with single-line railway beam structure compared, can keep
The deflection of curved section support rail beam is realized in the state that bottom plate is constant.
Left side wall 2, right-side wall 3, the frame structure in shaped door of top plate 4 have preferable horizontal and vertical rigidity, stable structure
Property is good.Its longitudinal length can be adjusted according to left track 5,6 flexible arrangement of right track, and design control is more convenient.Above-mentioned knot
Structure uses integral mold plate field cast-in-place, and working procedure is simple, construction precision is easily controllable.Above structure inner hollow, reduces
Load on bridge, while can provide space for maintenance.Support rail beam is arranged along route longitudinal direction piecemeal, reduces armored concrete dosage,
Be conducive to bottom plate transverse drainage.
It above are only the preferred embodiment and institute's application technology principle of the utility model.It will be appreciated by those skilled in the art that
The utility model is not limited to specific embodiment described here, is able to carry out various apparent changes for a person skilled in the art
Change, readjust and substitutes without departing from the protection scope of the utility model.Therefore, although by above embodiments to this reality
It is described in further detail with novel, but the utility model is not limited only to above embodiments, it is practical not departing from
It can also include more other equivalent embodiments in the case where novel design, and the scope of the utility model is by appended right
Claimed range determines.
Claims (10)
1. a kind of medium-and low-speed maglev traffic system curved section support rail beam, including reinforced concrete floor (1), it is characterised in that: institute
It states and stroke directions is provided with left side wall (2), right-side wall (3), the left side wall (2), right-side wall on reinforced concrete floor (1)
(3) upper end is provided with top plate (4), and top plate (4) upper end is provided with multiple left tracks (5), right track (6), the left side
The angle of track (5), right track (6) the support section of track (7), the section of track (7) vertical line and vertical direction is α 1, top plate (4)
With the angle α between reinforced concrete floor (1), the angle α 1 is identical as angle α angle, the reinforced concrete floor
(1) upper end is plane, and the left side wall (2), right-side wall (3) be not contour.
2. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 1, it is characterised in that: the top
Plate (4) and the section of track (7) keeping parallelism positional relationship, on the outside of top plate (4) and the section of track (7) relative under straightway state top plate and
The superelevation value h of the section of track is determined by following equation 1:
Wherein, D is the gauge of the section of track (7), and Vc is train by speed, and g is acceleration of gravity, and R is sweep.
3. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 2, it is characterised in that: the top
Angle α between plate (4) and reinforced concrete floor (1) is determined by following formula 2:
α=arctan (h/L) (2)
Wherein, L is the ground width of reinforced concrete floor (1), and h is on the outside of top plate (4) relative to super under straightway state
High level.
4. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 1, it is characterised in that: the left side
Track (5), right track (6) are laid along stroke directions, and the left track (5), right track (6) left and right one are a pair of
It answers.
5. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 1, it is characterised in that: the left side
Side wall (2), right-side wall (3), top plate (4) enclose inclined door type structure.
6. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 4, it is characterised in that: the left side
Side wall (2), right-side wall (3) interior skew angle are connected.
7. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 1, it is characterised in that: the left side
It is provided with left conductor rail support (8) at side wall (2) lateral wall, is provided with right conductor rail support at right-side wall (3) lateral wall
(9)。
8. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 1, it is characterised in that: the top
Plate (4) is connected by top plate reserved steel bar with left track (5), right track (6), and the left side wall (2), right-side wall (3) are logical
Bottom plate (1) reserved steel bar is crossed to be connected with reinforced concrete floor (1).
9. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 1, it is characterised in that: described to hold
Beam-and-rail arranges that every piece of support rail beam is determined along stroke directions length according to reinforced concrete floor length, long along stroke directions piecemeal
Degree is usually no more than 3m.
10. a kind of medium-and low-speed maglev traffic system curved section support rail beam according to claim 1, it is characterised in that: described
Left side wall (2), right-side wall (3) steel bar overall binding and pass through concreting and form in top plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462297.9U CN208309308U (en) | 2017-11-06 | 2017-11-06 | A kind of medium-and low-speed maglev traffic system curved section support rail beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462297.9U CN208309308U (en) | 2017-11-06 | 2017-11-06 | A kind of medium-and low-speed maglev traffic system curved section support rail beam |
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| CN208309308U true CN208309308U (en) | 2019-01-01 |
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| CN201721462297.9U Active CN208309308U (en) | 2017-11-06 | 2017-11-06 | A kind of medium-and low-speed maglev traffic system curved section support rail beam |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107663817A (en) * | 2017-11-06 | 2018-02-06 | 中国铁路设计集团有限公司 | Medium-and low-speed maglev traffic system curved section support rail beam |
| CN110029538A (en) * | 2019-03-26 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | It is a kind of containing the high-speed magnetic suspension rails of the beam type section of track in length and breadth and bridge beam structure |
| CN112281553A (en) * | 2020-10-10 | 2021-01-29 | 中铁第四勘察设计院集团有限公司 | Magnetic suspension bridge structure |
-
2017
- 2017-11-06 CN CN201721462297.9U patent/CN208309308U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107663817A (en) * | 2017-11-06 | 2018-02-06 | 中国铁路设计集团有限公司 | Medium-and low-speed maglev traffic system curved section support rail beam |
| CN110029538A (en) * | 2019-03-26 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | It is a kind of containing the high-speed magnetic suspension rails of the beam type section of track in length and breadth and bridge beam structure |
| CN112281553A (en) * | 2020-10-10 | 2021-01-29 | 中铁第四勘察设计院集团有限公司 | Magnetic suspension bridge structure |
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