CN207793771U - Middle low speed magnetic suspension traffic engineering is low to set circuit support rail beam - Google Patents
Middle low speed magnetic suspension traffic engineering is low to set circuit support rail beam Download PDFInfo
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- CN207793771U CN207793771U CN201721869916.6U CN201721869916U CN207793771U CN 207793771 U CN207793771 U CN 207793771U CN 201721869916 U CN201721869916 U CN 201721869916U CN 207793771 U CN207793771 U CN 207793771U
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Abstract
Circuit support rail beam is set the utility model discloses a kind of middle low speed magnetic suspension traffic engineering is low, including reinforced concrete floor, upper reinforcement beams of concrete, water conservancy diversion rail holder and sleeper pedestal, the upper reinforcement beams of concrete is included in the let continuous beam being arranged laterally at a spacing and fight continuity beam, the let continuous beam and the fight continuity beam are fixed on the reinforced concrete floor, the water conservancy diversion rail holder is fixed on the outside of let continuous beam and the fight continuity beam, and the sleeper pedestal arranged for interval is on the let continuous beam and the fight continuity beam.The low circuit support rail beam of setting of the middle low speed magnetic suspension traffic engineering of the utility model longitudinally uses beam structure on bottom plate, and integral mold plate prefabrication can be used also can field cast-in-place construction；Sleeper pedestal is arranged on let continuous beam and fight continuity beam, reduces sleeper pedestal positioning difficulty；3 in Curve Segment can used adjustment let continuous beam and fight continuity depth of beam realize that 3 in Curve Segment curved beam song is done.
Description
Technical field
The utility model is related to magnetic suspension line road technique fields, are set in particular to a kind of middle low speed magnetic suspension traffic engineering is low
Circuit support rail beam.
Background technology
Middle low speed magnetic suspension rail traffic belongs to a kind of novel traffic mode, and achievement in research both domestic and external is less, the whole world
The circuit for opening operation is even more minority.The middle low speed magnetic suspension railway business that only in March, 2005, Japan's construction was opened at present is transported
The middle low speed magnetic suspension railway business operating line that line-the East Hillside Line and in June, 2014, South Korea will open.And in China
Low speed magnetic suspension traffic only has National University of Defense technology's test wire, Green City Mountain test wire, Tangshan experiment line at present, there is no formal input
The circuit of operation.
Middle low speed magnetcisuspension suspension traffic civil engineering part include mainly bridge, it is low set circuit, station and rolling stock section, it is low to set circuit
It is made of roadbed under the section of track, support rail beam and support rail beam, the support rail beam of supporting track is arranged in the roadbed being made of earth structure
On, the operation of middle low speed magnetic suspension train includes suspending, be oriented to, drive and braking to be required for completing on support rail beam.Magnetic
Aerotrain is very high to line construction deformation requirements, because the deformation of structure very little may influence the even prestige of comfort by bus
Traffic safety is coerced, so the design of support rail beam is particularly significant.
The existing research Bridge track girder research of magnetic suspension traffic engineering is more, there has been more achievement in research at present,
There are also practical implementations, such as：" magnetic suspension rail " that 23 innings of middle iron (refers to utility model patent
No. 200620036567.5), Zhong Tie thirds surveying and designing institute " medium-and low-speed maglev track girder " (refer to application for a patent for invention
No. 200710057177.5), the second surveying and designing institute of middle iron " medium-and low-speed maglev rectilinear orbit beam " (refer to utility model patent
No. 201220229068.3), Zhong Tie thirds surveying and designing institute " medium-and low-speed maglev bridge structure design and experimental study " (refers to
《The fast rail traffic in city》, volume 24, the 3rd phase, in June, 2011；Article is numbered：1672-6073 (2011) 03-0070-04) etc.
Deng.
Low circuit support rail beam achievement in research of setting is less, mainly has：" the routine conductive maglev vehicle of Zhong Tie thirds surveying and designing institute
Buttress support structure design is inquired into " it (refers to《Railway construction》, in October, 2006, the 7th phase；Article is numbered：1006-2106
(2006) 07-0041-05), the 4th surveying and designing institute of middle iron " middle low speed magnetic suspension traffic engineering is low to set route curve support rail beam
Structure " (refers to patent of invention the 201410750861.1st), and " middle low speed magnetic suspension is low to set circuit continuous frame formula support rail beam knot
Structure and its construction method " (refers to patent of invention the 201410764588.8th), and " one kind being used for middle low speed magnetic suspension traffic engineering
The low tenon joint type support rail girder construction for setting circuit " (refers to patent of invention the 201610040178.8th), and " medium-and low-speed maglev railway is low
Set the continuous arch support rail girder construction of circuit and construction method " (referring to patent of invention the 201410765424.7th), it is " low in a kind of
Speed magnetic suspension traffic engineering is low to set the solid formula support rail girder construction of circuit " (refer to utility model patent the 201620799589.0th
Number).
Existing bridge rail beam is erected between two bridge piers, by simply supported beam or Continuous beam design, for meet deformation and
Stability requirement, structure size are generally very big, hence it is evident that cannot be directly used to low set on circuit.Existing bridge rail beam is more
There are the structures such as box beam, U beams, I-beam of complete web for both sides, the track girder of these types of structure, it is good to all have stability,
The advantages that rigidity is big.Low circuit support rail beam of setting makes the structures such as box beam, U beams, I-beam also referring to bridge rail beam, is placed on rock
Local soil type at road bed on, then it is heavy also unsightly to show appearance.
Existing buttress type support rail beam, sleeper pedestal are arranged at the top of buttress, are transmitted by buttress to bear track structure
Load, by the longitudinal and transverse binder at the top of it come the stabilization of enhancing structure.But there is also problems with：
(1) it is the ability of the rigidity and resistance to deformation of increase buttress, branch socle is often equipped with longitudinal and transverse binder, to save work
Cheng Liang, the sectional dimension of these longitudinal and transverse binders is less than the sectional dimension of buttress more, in construction, it is difficult to make integral mold plate, prop up
Pier carries out one-piece casting with longitudinal and transverse binder, and need to first construct buttress, then longitudinal and transverse binder of constructing, working procedure are more.
(2) the buttress type support rail beam of beam on elastic foundation design is pressed, the armored concrete under it is arranged in top buttress mostly
On plate, overall stiffness is small, and in lifting, transportational process, the yielding cracking of structure should not be constructed using prefabrication mode,
It can only be confined to field cast-in-place construction.
(3) Maglev Project track structure is located on support rail beam, and track structure can carry out small range, and to be adapted to magnetic floating
The requirement of train, but its adjustment degree is with grade precision controlling.So to meet line requirements and track requirement, support rail beam
Construction must controllable precise.But buttress type support rail beam is to use cast-in-place form of construction work since primary structural component is very mostly,
Construction precision is difficult control, this directly influences the construction quality of track and the driving safety of train.
(4) upper track structure type is limited to the structure of buttress type support rail beam, and section of track arrangement cannot arbitrarily be put, it is necessary to
Accurately it is arranged according to the position of buttress, structure transverse width.This increases difficulty for construction, especially in 3 in Curve Segment enforcement difficulty
Bigger.
Invention content
The purpose of the utility model is to provide a kind of middle low speed magnetic suspension traffic engineering simple in structure, convenient for construction
It is low to set circuit support rail beam.
To achieve the above object, middle low speed magnetic suspension traffic engineering designed by the utility model is low to set circuit support rail Liang Bao
Include reinforced concrete floor, upper reinforcement beams of concrete, water conservancy diversion rail holder and sleeper pedestal, the upper reinforcement beams of concrete packet
It includes in the let continuous beam and fight continuity beam being arranged laterally at a spacing, the let continuous beam and the fight continuity beam are fixed on the reinforcing bar
On concrete floor, the water conservancy diversion rail holder is fixed on the outside of let continuous beam and the fight continuity beam, between the sleeper pedestal
Every being arranged on the let continuous beam and the fight continuity beam.
Preferably, the let continuous beam and the fight continuity beam are that the reinforcing bar in Continuous Rectangular section is mixed in the longitudinal direction
Solidifying Tu Liang.
Preferably, the let continuous beam and the fight continuity beam and the cast-in-place formation steel of the reinforced concrete floor
Reinforced concrete overall structure.
Preferably, the sleeper pedestal and the let continuous beam and the cast-in-place formation reinforced concrete of the fight continuity beam
Native overall structure.
Preferably, the sleeper pedestal, the let continuous beam, the fight continuity beam and the armored concrete bottom
Plate prefabrication is at lifting after armored concrete overall structure to scene.
The utility model has the beneficial effects that：The middle low speed magnetic suspension traffic engineering of the utility model is low to set circuit support rail beam
On bottom plate longitudinally use beam structure, integral mold plate prefabrication can be used, also can field cast-in-place construction, avoid often
Rule support rail beam is constructed cumbersome disadvantage；Sleeper pedestal is arranged on let continuous beam and fight continuity beam, and it is fixed to reduce sleeper pedestal
Position difficulty, Construction control are more convenient；3 in Curve Segment can used adjustment let continuous beam and fight continuity depth of beam realize curve
Location curved beam song is done, and solves the problems, such as that sleeper pedestal Positioning Precision Control is difficult when 3 in Curve Segment curved beam song is done.
Description of the drawings
Fig. 1 is low to be set in circuit support rail beam using the middle low speed magnetic suspension traffic engineering of the preferred embodiment in the utility model
The low main structure diagram for setting circuit of low speed magnetic suspension traffic engineering.
Fig. 2 is the cross section structure schematic diagram in the directions I-I in Fig. 1.
Fig. 3 is the low dimensional structure diagram for setting circuit support rail beam of middle low speed magnetic suspension traffic engineering in Fig. 1.
Each part numbers are as follows in figure：Reinforced concrete floor 1,2 (wherein, let continuous beam of upper reinforcement beams of concrete
2.1, fight continuity beam 2.2), water conservancy diversion rail holder 3, sleeper pedestal 4.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
The technical issues of to solve mentioned in background technology, the middle low speed magnetic suspension traffic that the utility model is preferably implemented
The low structure for setting circuit support rail beam of engineering is as shown in Figure 1 to Figure 3, including reinforced concrete floor 1, upper reinforcement beams of concrete
2, water conservancy diversion rail holder 3 and sleeper pedestal 4, upper reinforcement beams of concrete 2 are arranged on reinforced concrete floor 1, water conservancy diversion rail holder 3
The both sides of portion's reinforced beam 2 are fixed on, 4 arranged for interval of sleeper pedestal is on upper reinforcement beams of concrete 2.
As shown in Figure 2, upper reinforcement beams of concrete 2 includes let continuous beam 2.1 and fight continuity beam 2.2, let continuous beam 2.1
It is the reinforced beam in Continuous Rectangular section, let continuous beam 2.1 and right company on longitudinal direction (length direction) with fight continuity beam 2.2
It is being arranged laterally at a spacing between continuous beam 2.2.
Sleeper pedestal 4, upper reinforcement beams of concrete 2 can be poured into a mould with reinforced concrete floor 1 and form reinforced concrete structure
It is whole, the technique lifted after cast-in-place or prefabrication can be used.Reinforced concrete floor 1 and upper reinforcement beams of concrete 2, sleeper
When pedestal 4 is using cast in place process, specific implementation step is as follows：
(1) by design requirement bound reinforced concrete floor 1, upper reinforcement beams of concrete 2 reinforcing bar and with sleeper platform
The connection reinforcing bar of seat 4；
(2) positioning and installation that built-in fitting (such as water conservancy diversion rail bracket base, transponder) connect reinforcing bar with support rail beam are carried out
Afterwards, then support rail beam concrete is poured, is conserved by design requirement；
(3) support rail beam concrete reaches form removal after design strength, the reinforcing bar of binding sleeper pedestal 4, formwork erection and secondary
Pour sleeper pedestal concrete；
(4) concrete curing of sleeper pedestal 4 is to after reaching design strength, form removal；
(5) installation water conservancy diversion rail bracket base, transponder etc..
According to the technique lifted after prefabrication, increase the embedded of lifting reinforcing bar on the basis of above-mentioned steps (1), it is complete
It is lifted to design position when at above-mentioned steps (4), then carries out the construction of step (5).
The middle low speed magnetic suspension traffic engineering of the utility model preferred implementation is low to set circuit support rail beam when in use, train,
The upper loads such as track are transferred to upper reinforcement beams of concrete 2 by sleeper pedestal 4, then pass through upper reinforcement beams of concrete 2
After beam structure (let continuous beam 2.1 and fight continuity beam 2.2) reaches reinforced concrete floor 1, then reaches roadbed under beam and (scheme not
Show).Since the integral reinforced concrete rigidity of structure that reinforced concrete floor 1 and upper reinforcement beams of concrete 2 are formed is big, resist
Deformability is strong, can meet wanting for magnetic suspension traffic engineering structure stability, intensity, rigidity, deformation and vehicle running comfort
It asks, ensures the driving safety of construction quality and train.
It is set in circuit support rail beam in addition, the middle low speed magnetic suspension traffic engineering of the utility model preferred implementation is low, upper steel
Concrete Beam Reinforced 2 is using let continuous beam 2.1 and 2.2 structure type of the middle part hollow, upper without cover board of fight continuity beam, compared to
Some boxes, frame-type and solid formula support rail girder construction, the among the above low circuit support rail beam of setting of low speed magnetic suspension traffic engineering
Structure has following clear superiority：
(1) use the integral reinforced concrete rigidity of structure that reinforced concrete floor and solid beam structure are formed big,
Resistance capacity to deformation is strong, disclosure satisfy that Maglev Project structural stability, intensity, deformation requirement.
(2) hollow and can without covering plate structure form compared to existing box, frame-type and the font of falling π support rail girder construction
The thermo parameters method for changing support rail beam can reduce mass concrete component during pouring molding and the hot and cold alternation ring of field
The temperature stress generated under the conditions of border etc. is conducive to improve to reduce component surface and the internal deformation occurred and crack
The durability of support rail beam meets the smooth-going of track and the driving safety requirement of train.
(3) beam structure is longitudinally used on support rail beam bottom plate, and integral mold plate prefabrication can be used, it also can be live existing
Construction is poured, conventional support rail beam is avoided and constructs cumbersome disadvantage.
(4) sleeper pedestal is arranged on let continuous beam and fight continuity beam, unlike buttress type structure limits buttress position
Strictly, positioning control accuracy is high, reduces sleeper pedestal positioning difficulty, and Construction control is more convenient, meanwhile, 3 in Curve Segment can be with
Used adjustment left and right depth of beam realizes that 3 in Curve Segment curved beam song is done, and solves sleeper pedestal when 3 in Curve Segment curved beam song is done and positions
The rare problem of precision controlling.
(5) let continuous beam and fight continuity beam are longitudinally formed certain space, right from both sides and centre convenient for maintenance personnel
Structure surfaces externally and internally carries out inspection and maintenance, meanwhile, support rail beam inner hollow, cable can extend there through support rail beam, without holding
Pre-buried cable channel in geotechnique basis, not only simplifies construction process under beam-and-rail, also avoids the pre-buried pipeline band in geotechnological basis
The hidden danger come.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of middle low speed magnetic suspension traffic engineering is low to set circuit support rail beam, it is characterised in that：Including reinforced concrete floor
(1), upper reinforcement beams of concrete (2), water conservancy diversion rail holder (3) and sleeper pedestal (4), upper reinforcement beams of concrete (2) packet
It includes in the let continuous beam (2.1) and fight continuity beam (2.2) being arranged laterally at a spacing, the let continuous beam (2.1) and the fight continuity
Beam (2.2) is fixed on the reinforced concrete floor (1), and the water conservancy diversion rail holder (3) is fixed on let continuous beam (2.1) and institute
The outside of fight continuity beam (2.2) is stated, sleeper pedestal (4) arranged for interval is in the let continuous beam (2.1) and the fight continuity
On beam (2.2).
2. middle low speed magnetic suspension traffic engineering according to claim 1 is low to set circuit support rail beam, it is characterised in that：The left side
Continuous beam (2.1) and the fight continuity beam (2.2) are the reinforced beam in Continuous Rectangular section in the longitudinal direction.
3. middle low speed magnetic suspension traffic engineering according to claim 1 or 2 is low to set circuit support rail beam, it is characterised in that：Institute
It states let continuous beam (2.1) and the fight continuity beam (2.2) and the cast-in-place formation armored concrete of the reinforced concrete floor (1) is whole
Body structure.
4. middle low speed magnetic suspension traffic engineering according to claim 3 is low to set circuit support rail beam, it is characterised in that：The rail
Rest the head on pedestal (4) and the let continuous beam (2.1) and the cast-in-place formation armored concrete overall structure of the fight continuity beam (2.2).
5. middle low speed magnetic suspension traffic engineering according to claim 1 or 2 is low to set circuit support rail beam, it is characterised in that：Institute
State sleeper pedestal (4), the let continuous beam (2.1), the fight continuity beam (2.2) and the reinforced concrete floor (1) factory
It is lifted to scene after being prefabricated into armored concrete overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869916.6U CN207793771U (en) | 2017-12-26 | 2017-12-26 | Middle low speed magnetic suspension traffic engineering is low to set circuit support rail beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869916.6U CN207793771U (en) | 2017-12-26 | 2017-12-26 | Middle low speed magnetic suspension traffic engineering is low to set circuit support rail beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029537A (en) * | 2019-03-19 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | A kind of magnetic levitation track traffic duplex word support rail beam and its construction method |
| CN111270573A (en) * | 2019-12-06 | 2020-06-12 | 中铁宝桥集团有限公司 | Medium-low speed magnetic levitation track panel anchoring device and installation and adjustment method |
-
2017
- 2017-12-26 CN CN201721869916.6U patent/CN207793771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029537A (en) * | 2019-03-19 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | A kind of magnetic levitation track traffic duplex word support rail beam and its construction method |
| CN111270573A (en) * | 2019-12-06 | 2020-06-12 | 中铁宝桥集团有限公司 | Medium-low speed magnetic levitation track panel anchoring device and installation and adjustment method |
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