CN108951322A - A kind of ballastless track structure sedimentation lifting apparatus and its lifting method - Google Patents
A kind of ballastless track structure sedimentation lifting apparatus and its lifting method Download PDFInfo
- Publication number
- CN108951322A CN108951322A CN201810847642.3A CN201810847642A CN108951322A CN 108951322 A CN108951322 A CN 108951322A CN 201810847642 A CN201810847642 A CN 201810847642A CN 108951322 A CN108951322 A CN 108951322A
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- Prior art keywords
- fragment
- lifting
- screw rod
- embedded hole
- track slab
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/04—Lifting or levelling of tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a kind of ballastless track structure sedimentation lifting apparatus and its lifting methods, the device is for being lifted fragment-free track slab, two sides including being embedded in fragment-free track slab extend along the spaced apart screw rod in direction, the embedded hole for pre-buried screw rod is offered on the fragment-free track slab, the embedded hole extends vertically through fragment-free track slab and extends downward into concrete cushion, the nut being threadedly coupled with it is arranged on the screw rod, the outer wall of the screw rod is arranged with casing, mortar column has been poured in annular space between the outer wall of described sleeve pipe and the inner wall of embedded hole, the mortar column forms one with fragment-free track slab by the inner wall cementation with embedded hole, the bottom of the mortar column is abutted with the top end face of nut.The present invention is not limited by ballastless track structure and working space, and lifting operation is easy, lifting precision is high, controllability is good, high-efficient, can effectively solve the problem that Special zone non-fragment orbit settlement issues.
Description
Technical field
The invention belongs to the technical fields of track, and in particular to a kind of ballastless track structure sedimentation lifting apparatus and its lifting
Method.
Background technique
The ballastless track structure of high-speed railway, general fast railway or subway requires height to the ride comfort of track, however, in reality
Border process middle orbit is easy to appear the problem of sedimentation and offset, and common method is by the flat of fastener adjustment and recovery track circuit
It is pliable, once but settling amount is more than the adjustment capability of fastener, it is necessary to handled using other modes, to restore track
Elevation and plan-position.
Currently, domestic be directed to high-speed railway subgrade subgrade settlement problem, some researchs carried out and have proposed some new
Solution, as the Chinese invention patent of Publication No. CN 103074828A discloses a kind of injection method to railway ballastless track
The system and method that railway roadbed sinking is lifted, this method inject slip casting by going deep into the injection hole of ballastless track bed board bottom
Material, injecting paste material penetrates into road bed board bottom after the implantation, and surrounding is spread, and then realizes lifting sinking track by expansion
Purpose.Existing non-fragment orbit slip-casting lifting technology carries out slip-casting lifting both for common roadbed location sedimentation track, general
The premise that access base section is lifted is that have soil subgrade under base plate or supporting course, and injecting paste material can be acted in pressure
It is lower to be entered in roadbed by permeating or cleaving osmosis, realize the jacking to upper track structure.However, nothing in tunnel
Tiny fragments of stone, coal, etc. track structure lower part is concrete compaction structure, is tightly combined between track structure and track structure basis, without gap, slip casting
Material is difficult to inject；In addition, road and bridge (road tunnel) changeover portion of the CRTSII plate-type non-fragment orbit of inverted T shaped terminal spine is set, due to
The oversized drilling of terminal spine and slip casting all have difficulties；In addition, bridge or frame bridge location, non-fragment orbit and top surface concrete are straight
Contact, therefore, existing slip-casting lifting technology are not suitable for the sedimentation non-fragment orbit lifting in these above-mentioned locations.
Summary of the invention
The object of the invention is to it is heavy to provide a kind of ballastless track structure in order to solve deficiency existing for above-mentioned background technique
Drop lifting apparatus and its lifting method, this method are not limited by ballastless track structure and working space, and lifting operation is easy, lifts
It is good, high-efficient to rise precision height, controllability, can effectively solve the problem that tunnel, special road-bridge transition section, bridge or frame bridge etc. distinguishingly
Section non-fragment orbit settlement issues.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of ballastless track structure settles lifting apparatus, uses
It being lifted in fragment-free track slab, the two sides including being embedded in fragment-free track slab extend along the spaced apart screw rod in direction,
Offer the embedded hole for pre-buried screw rod on the fragment-free track slab, the embedded hole extends vertically through fragment-free track slab to downward
Concrete cushion is extended to, the nut being threadedly coupled with it is arranged on the screw rod, the outer wall of the screw rod is arranged with casing, institute
State and poured mortar column in the annular space between the outer wall of casing and the inner wall of embedded hole, the mortar column by with embedded hole
Inner wall cementation and fragment-free track slab form one, the bottom of the mortar column is abutted with the top end face of nut, and the screw rod can
Rotation driving nut drives mortar column and fragment-free track slab to be lifted up under twisting force.
Preferably, cushion block, the top end face of the cushion block and the bottom of screw rod are provided in the embedded hole
End face abuts.
Preferably, screed-coat is equipped with below the cushion block.
The present invention also provides a kind of methods that above-mentioned ballastless track structure sedimentation lifting apparatus is lifted, including walk as follows
It is rapid:
1) it measures the settling amount of non-fragment orbit route: non-fragment orbit route being measured using level and total station,
Determine the settling zone and settling amount of fragment-free track slab；
2) it lays embedded hole: laying embedded hole in the settling zone of fragment-free track slab, drilled using water drilling, when drilling
Verticality is controlled, after drilling reaches projected depth, cleaning eye bottom ash dregs guarantees bottom hole basic horizontal；
3) it buries feed screw nut: first casing being set on screw rod, then nut is screwed in the bottom of screw rod, assemble postposition
Enter in embedded hole, joints cement mortar forms mortar column between the outer wall of casing and the inner wall of embedded hole；
4) lifting construction: after the solidification of the inner wall of mortar column and embedded hole reaches design strength, in settling zone track
All screw rods carry out lifting operation, and the elevation of fragment-free track slab is restored to design altitude；
5) slip casting is filled: after the completion of lifting, being carried out using filler material to the gap formed after lifting below fragment-free track slab
Slip casting filling.
Preferably, in the step 2), the embedded hole is symmetrical along the longitudinal midline of fragment-free track slab
Arrangement, the pitch-row between ipsilateral two adjacent embedded holes are 0.5~3m；The central point and non-fragment orbit of the embedded hole
Vertical range between the outer edge line of plate is 100~250mm.
Preferably, in the step 2), the embedded hole extends vertically through fragment-free track slab and extends downwardly
10~50mm is until penetrate in concrete cushion.
Preferably, in the step 3), self-leveling cement mortar shape first is poured in the bottom of embedded hole
At screed-coat, cushion block is then placed on screed-coat, assembled nut and screw rod are finally placed in embedded hole.
Preferably, in the step 4), lifting operation specifically comprises the following steps:
401) all screw rods in settling zone track are applied with torsion simultaneously and carries out lifting operation for the first time, is guaranteed to all
The torsion step that screw rod applies is almost the same, carries out Integral synchronous lifting；
402) after the completion of first step lifting, asynchronous lifting is carried out, according to the settling amount of measurement, controls each screw rod respectively
Twist collar number, twist collar number difference is no more than 10~15 circles between two neighboring screw rod；
403) according to the lifting method of step 402), lifting operation repeatedly is carried out to each screw rod circulation, by non-fragment orbit
The elevation of plate is restored to design altitude.
Preferably, in the step 401), control Uplifting amount is 1mm~5mm when being lifted for the first time.
Preferably, in the step 5), the filler material is cement mortar, epoxy resin, polyurethane
One of resin is a variety of.
Compared with prior art, the present invention has the advantage that
First, the lifting apparatus that ballastless track structure of the invention settles, by the nut that is embedded in non-fragment orbit and
Ballastless track structure is carried out whole lifting by the displacement transmission effect between screw rod, and equipment and structure are simple, not by non-fragment orbit knot
Structure and working space limitation, by using method of the invention can effectively solve the problem that tunnel, special road and bridge (road tunnel) changeover portion,
The Special zones non-fragment orbit settlement issues such as bridge or frame bridge.
Second, being lifted process in lifting method of the invention is divided into two stages, to settling zone track in the first stage
Interior all screw rods apply torsion simultaneously and carry out lifting operation for the first time, guarantee the torsion step basic one applied to all screw rods
It causes, carries out Integral synchronous lifting, carry out asynchronous lifting in second stage, according to the settling amount of measurement, control each silk respectively
Torsion of bar circle number, and be lifted process and real-time monitoring carried out to the elevation of track using electronic level, lifting operation is easy,
It is good, high-efficient to be lifted precision height, controllability.
Detailed description of the invention
Fig. 1 is the schematic front view that ballastless track structure of the invention settles lifting apparatus；
Fig. 2 is the enlarged structure signal in Fig. 1 at I；
Fig. 3 is the overlooking structure diagram of fragment-free track slab shown in Fig. 1；
In figure: 1- fragment-free track slab, 2- screw rod, 3- embedded hole, 4- concrete cushion, 5- nut, 6- casing, 7- mortar
Column, 8- cushion block, 9- screed-coat.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they limiting the invention.
Ballastless track structure as shown in Figures 1 to 3 settles lifting apparatus, for being lifted to fragment-free track slab 1, including
The two sides for being embedded in fragment-free track slab 1 extend along the spaced apart screw rod 2 in direction, are offered on fragment-free track slab 1 for pre-
The embedded hole 3 of screw rod 2 is buried, embedded hole 3 extends vertically through fragment-free track slab 1 and extends downward into concrete cushion 4, is arranged on screw rod 2
There is the nut 5 being threadedly coupled with it, the outer wall of screw rod 2 is arranged with casing 6, between the outer wall of casing 6 and the inner wall of embedded hole 3
Mortar column 7 has been poured in annular space, mortar column 7 forms one with fragment-free track slab 1 by the inner wall cementation with embedded hole 3,
The bottom of mortar column 7 is abutted with the top end face of nut 5, and screw rod 2 can rotate driving nut 5 under twisting force and drive mortar column 7
It is lifted up with fragment-free track slab 1.Cushion block 8 is provided in embedded hole 3, the top end face of cushion block 8 is abutted with the bottom face of screw rod 2.
The lower section of cushion block 8 is equipped with screed-coat 9.
The method being lifted using above-mentioned ballastless track structure sedimentation lifting apparatus, is included the following steps:
1) it measures the settling amount of non-fragment orbit route: non-fragment orbit route being measured using level and total station,
Determine the settling zone and settling amount of fragment-free track slab 1；
2) it lays embedded hole: laying embedded hole 3 in the settling zone of fragment-free track slab 1, drilled, drilled using water drilling
When control verticality, after drilling reaches projected depth, cleaning eye bottom ash dregs guarantees bottom hole basic horizontal；Embedded hole 3 is along no tiny fragments of stone, coal, etc.
The longitudinal midline of track plates 1 is arranged symmetrically, and the pitch-row between ipsilateral two adjacent embedded holes 3 is 0.5~3m；Embedded hole
Vertical range between 3 central point and the outer edge line of fragment-free track slab 1 is 100~250mm, and embedded hole 3 extends vertically through nothing
Tiny fragments of stone, coal, etc. track plates 1 extend downwardly 10~50mm until penetrating in concrete cushion 4；
3) it buries feed screw nut: first pouring the screed-coat 9 of self-leveling cement mortar formation in the bottom of embedded hole 3, then
The cushion block 8 that internal diameter is slightly smaller than aperture is placed on screed-coat 9, guarantees that rigid cushion block is horizontal, and after cushion block is fixed, casing 6 is arranged
On screw rod 2, then by nut 5 screw in screw rod 2 bottom, after assembling be placed in embedded hole 3 in, casing 6 outer wall with it is pre-buried
Joints cement mortar forms mortar column 7 between the inner wall in hole 3；The internal diameter of casing 6 will be less times greater than the internal diameter of screw rod 2, can be right
Screw rod is protected, and while pouring will prevent mortar seepage flow from consolidating screw rod 2 to casing 6, and limitation screw rod 2 rotates.Mortar pours
After building, mortar is conserved, guarantee traffic safety；
4) lifting construction: reach by the pre-buried completion of all feed screw nuts and to mortar column 7 and the inner wall solidification of embedded hole 3
After design strength, lifting operation is carried out to screw rod 2 all in settling zone track, the elevation of fragment-free track slab 1 is restored to
Design altitude, lifting operation are specific as follows:
401) torsion is applied to screw rods 2 all in settling zone track simultaneously and carries out lifting operation for the first time, is guaranteed to institute
Have screw rod 2 apply torsion step it is almost the same, carry out Integral synchronous lifting, for the first time be lifted when control Uplifting amount be 1mm~
5mm；
402) after the completion of first step lifting, asynchronous lifting is carried out, according to the settling amount of measurement, controls each screw rod respectively
2 twist collar number, twist collar number difference is no more than 10~15 circles between two neighboring screw rod 2, and lifting process utilizes electronic level
Real-time monitoring is carried out to the elevation of track；
403) according to the lifting method of step 402), each screw rod 2 is recycled and repeatedly carries out lifting operation, by non-fragment orbit
The elevation of plate 1 is restored to design altitude；
5) slip casting is filled: after the completion of lifting, being carried out using filler material to the gap formed after being lifted below fragment-free track slab 1
Slip casting filling, filler material are one of cement mortar, epoxy resin, polyurethane resin or a variety of.
After lifting construction is completed, practical Uplifting amount and design Uplifting amount are as shown in table 1.
Table 1 designs Uplifting amount and practical lifting scale
More than, only a specific embodiment of the invention, it is noted that it is the prior art that remaining is unspecified, is appointed
Within the technical scope disclosed by the invention, any changes or substitutions that can be easily thought of, all answers by what those skilled in the art
It is included within the scope of the present invention.
Claims (10)
1. a kind of ballastless track structure settles lifting apparatus, for being lifted to fragment-free track slab (1), it is characterised in that: packet
It includes and is embedded in the two sides of fragment-free track slab (1) and extends along the spaced apart screw rod in direction (2), on the fragment-free track slab (1)
The embedded hole (3) for pre-buried screw rod (2) is offered, the embedded hole (3) extends vertically through fragment-free track slab (1) and extends downward into
Concrete cushion (4) is arranged with the nut (5) being threadedly coupled with it on the screw rod (2), and the outer wall of the screw rod (2) is arranged
Have casing (6), poured mortar column (7) in the annular space between the outer wall of described sleeve pipe (6) and the inner wall of embedded hole (3),
The mortar column (7) forms one with fragment-free track slab (1) by the inner wall cementation with embedded hole (3), the mortar column (7)
Bottom is abutted with the top end face of nut (5), and the screw rod (2) can rotate driving nut (5) under twisting force and drive mortar column
(7) it is lifted up with fragment-free track slab (1).
2. ballastless track structure according to claim 1 settles lifting apparatus, it is characterised in that: in the embedded hole (3)
It is provided with cushion block (8), the top end face of the cushion block (8) is abutted with the bottom face of screw rod (2).
3. ballastless track structure according to claim 2 settles lifting apparatus, it is characterised in that: under the cushion block (8)
Side is equipped with screed-coat (9).
4. a kind of method being lifted using the sedimentation lifting apparatus of ballastless track structure described in claims 1 or 22 or 3,
It is characterized in that, includes the following steps:
1) it measures the settling amount of non-fragment orbit route: non-fragment orbit route being measured using level and total station, determine
The settling zone and settling amount of fragment-free track slab (1)；
2) it lays embedded hole: laying embedded hole (3) in the settling zone of fragment-free track slab (1), drilled, drilled using water drilling
When control verticality, after drilling reaches projected depth, cleaning eye bottom ash dregs；
3) it buries feed screw nut: first casing (6) being set on screw rod (2), then nut (5) are screwed in the bottom of screw rod (2), group
It is placed in embedded hole (3) after installing, joints cement mortar forms sand between the outer wall of casing (6) and the inner wall of embedded hole (3)
It starches column (7)；
4) lifting construction: after the inner wall of mortar column (7) and embedded hole (3) solidification reaches design strength, to settling zone track
Interior all screw rods (2) carry out lifting operation, and the elevation of fragment-free track slab (1) is restored to design altitude；
5) slip casting is filled: after the completion of lifting, being infused using filler material to the gap formed after lifting below fragment-free track slab (1)
Slurry filling.
5. the method that ballastless track structure sedimentation lifting apparatus according to claim 4 is lifted, it is characterised in that: institute
It states in step 2), the embedded hole (3) is arranged symmetrically along the longitudinal midline of fragment-free track slab (1), positioned at ipsilateral adjacent two
Pitch-row between embedded hole (3) is 0.5~3m；The outer edge line of the central point of the embedded hole (3) and fragment-free track slab (1) it
Between vertical range be 100~250mm.
6. the method that ballastless track structure sedimentation lifting apparatus according to claim 5 is lifted, it is characterised in that: institute
It states in step 2), the embedded hole (3) extends vertically through fragment-free track slab (1) and extends downwardly 10~50mm until penetrating concrete mats
In layer (4).
7. the method that ballastless track structure sedimentation lifting apparatus according to claim 4 is lifted, it is characterised in that: institute
It states in step 3), the screed-coat (9) of self-leveling cement mortar formation is first poured in the bottom of embedded hole (3), then in screed-coat
(9) cushion block (8) are placed on, finally by assembled nut (5) and screw rod (2) merging embedded hole (3).
8. the method that ballastless track structure sedimentation lifting apparatus according to claim 4 is lifted, it is characterised in that: institute
It states in step 4), lifting operation specifically comprises the following steps:
401) screw rods (2) all in settling zone track are applied with torsion simultaneously and carries out lifting operation for the first time, is guaranteed to all
The torsion step that screw rod (2) applies is almost the same, carries out Integral synchronous lifting；
402) after the completion of first step lifting, asynchronous lifting is carried out, according to the settling amount of measurement, controls each screw rod (2) respectively
Twist collar number, twist collar number difference is no more than 10~15 circles between two neighboring screw rod (2)；
403) according to the lifting method of step 402), lifting operation repeatedly is carried out to each screw rod (2) circulation, by fragment-free track slab
(1) elevation is restored to design altitude.
9. the method that ballastless track structure sedimentation lifting apparatus according to claim 8 is lifted, it is characterised in that: institute
It states in step 401), control Uplifting amount is 1mm~5mm when being lifted for the first time.
10. the method that ballastless track structure sedimentation lifting apparatus according to claim 4 is lifted, it is characterised in that:
In the step 5), the filler material is one of cement mortar, epoxy resin, polyurethane resin or a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847642.3A CN108951322A (en) | 2018-07-27 | 2018-07-27 | A kind of ballastless track structure sedimentation lifting apparatus and its lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847642.3A CN108951322A (en) | 2018-07-27 | 2018-07-27 | A kind of ballastless track structure sedimentation lifting apparatus and its lifting method |
Publications (1)
| Publication Number | Publication Date |
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| CN108951322A true CN108951322A (en) | 2018-12-07 |
Family
ID=64465476
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810847642.3A Pending CN108951322A (en) | 2018-07-27 | 2018-07-27 | A kind of ballastless track structure sedimentation lifting apparatus and its lifting method |
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| CN (1) | CN108951322A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565448A (en) * | 2019-09-20 | 2019-12-13 | 中铁二院工程集团有限责任公司 | Liftable ballastless track structure and adjusting method thereof |
| CN111719357A (en) * | 2020-07-08 | 2020-09-29 | 于海洋 | High-speed railway rail surface local settlement and lifting system and construction method |
| CN112012051A (en) * | 2019-05-30 | 2020-12-01 | 中国铁道科学研究院集团有限公司 | Treatment method for deformation of ballastless track |
| CN113089394A (en) * | 2021-03-26 | 2021-07-09 | 西南交通大学 | Mechanical lifting and grouting reinforcement rapid repairing method for supporting layer of double-block ballastless track |
| CN113403886A (en) * | 2021-06-09 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Lifting device for differential settlement ballastless track repair and construction method |
| CN113789687A (en) * | 2021-08-23 | 2021-12-14 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Pile plate structure |
| CN114032711A (en) * | 2021-12-22 | 2022-02-11 | 济南海依兰机电液压有限公司 | Ballastless track structure foundation settlement repairing method |
| CN114411520A (en) * | 2022-01-21 | 2022-04-29 | 郑州赛诺建材有限公司 | Pavement slab settlement jacking method |
| CN114892456A (en) * | 2022-05-23 | 2022-08-12 | 中铁十五局集团有限公司 | Lifting device for repairing settlement ballastless track and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012051A (en) * | 2019-05-30 | 2020-12-01 | 中国铁道科学研究院集团有限公司 | Treatment method for deformation of ballastless track |
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| CN111719357B (en) * | 2020-07-08 | 2021-12-17 | 中铁二十一局集团第三工程有限公司 | High-speed railway rail surface local settlement and lifting system and construction method |
| CN111719357A (en) * | 2020-07-08 | 2020-09-29 | 于海洋 | High-speed railway rail surface local settlement and lifting system and construction method |
| CN113089394A (en) * | 2021-03-26 | 2021-07-09 | 西南交通大学 | Mechanical lifting and grouting reinforcement rapid repairing method for supporting layer of double-block ballastless track |
| CN113403886A (en) * | 2021-06-09 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Lifting device for differential settlement ballastless track repair and construction method |
| CN113789687A (en) * | 2021-08-23 | 2021-12-14 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Pile plate structure |
| CN113789687B (en) * | 2021-08-23 | 2023-10-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Pile plate structure |
| CN114032711A (en) * | 2021-12-22 | 2022-02-11 | 济南海依兰机电液压有限公司 | Ballastless track structure foundation settlement repairing method |
| CN114411520A (en) * | 2022-01-21 | 2022-04-29 | 郑州赛诺建材有限公司 | Pavement slab settlement jacking method |
| CN114892456A (en) * | 2022-05-23 | 2022-08-12 | 中铁十五局集团有限公司 | Lifting device for repairing settlement ballastless track and using method thereof |
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