CN108286210B - A kind of rapid constructing method of embedded railway points system - Google Patents

A kind of rapid constructing method of embedded railway points system Download PDF

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Publication number
CN108286210B
CN108286210B CN201810216788.8A CN201810216788A CN108286210B CN 108286210 B CN108286210 B CN 108286210B CN 201810216788 A CN201810216788 A CN 201810216788A CN 108286210 B CN108286210 B CN 108286210B
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China
Prior art keywords
plate
rail
points system
top surface
railway points
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CN201810216788.8A
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CN108286210A (en
Inventor
冯克敏
王平
焦洪林
钱振地
岳军
罗炯
何云伟
王大刚
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Chengdu Xinzhu Transportation Technology Co ltd
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Chengdu Xinzhu Road and Bridge Machinery Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00Switches; Crossings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00Switches; Crossings
    • E01B7/02Tongues; Associated constructions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

The invention discloses a kind of rapid constructing methods of embedded railway points system, comprising the following steps: is poured pedestal at the construction field (site), marks line midline, switching turnout plate profile and plate stitch outline position in base top surface, and be laid with separation layer in base top surface;The laying a switch plate in pre-fabricated factory installs the tuned plate tooling for adjusting horizontal position and elevation at Hoisting Position;Resilient sleeper-bearing, height adjusting cushion plate are installed in the rail support groove of switching turnout plate;Rail part is placed in switching turnout plate rail support groove and completion group is welded;After the rail part web of the rail is bonded damping block, track geometry is adjusted, is fixed temporarily;Tongue is installed;It is poured polymer composite;Goat is connected by screw rod with the towing point of the point of switch;Embedded railway points system is being positioned and is being fixed;Perfusion mortar layer.Most of step of the method for the present invention is completed in factory, and site operation speed is extremely quick, and entire construction process is scientific and reasonable.

Description

A kind of rapid constructing method of embedded railway points system
Technical field
The present invention relates to a kind of rapid constructing methods of embedded railway points system, belong to rail traffic road construction technology neck Domain.
Background technique
Embedded tracks continuously support and lock rail part using high molecular material, have good damping noise reduction effect, The vibration and noise generated when train operation influences very little to the living environment of resident near route, and track switch is as entire route In the weakest one of link, construction quality is to the safety of the service efficiency of route and train operation, stationarity and relaxes Adaptive has a significant impact, and especially in vehicle flowrate and the biggish section of the volume of the flow of passengers, the construction efficiency of route is also had attracted much attention.Existing In patent document, the associated construction method about embedded tracks railway points system there is no.At present only application No. is 201310311983.6, the patent document of entitled " a kind of rapid constructing method of embedded tracks system " elaborates The constructions of embedded tracks main tracks, but the patent is not illustrated the construction method of embedded tracks railway points system, Therefore reasonable embedded railway points system construction technology is studied to guarantee embedded track switch construction quality and construction efficiency is very It is necessary.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing a kind of the quick of embedded railway points system Construction method, with the blank on remedy technology.
Embedded railway points system according to the present invention is as shown in Figure 1, 2, including pedestal 1, separation layer 2, screed 3 and road Trouble system, the railway points system include that switching turnout plate 4, rail part 8, goat 14, resilient sleeper-bearing 5, height adjusting cushion plate 5 and macromolecule are multiple Condensation material 7, the switching turnout plate 4 be it is prefabricated, which is provided with rail support groove 41, the steel member installation by adhering in rail support groove 41 simultaneously Uniform restraint is carried out by polymer composite 7, the steel member includes stock rail 81, curve rail 83, goat 14, tongue 82 and railway frog 84, combined guardrail 85, institute are installed between corresponding 81 inside of stock rail of the railway frog 84 and 41 side wall of rail support groove It states 82 butt of tongue and is located on tongue pedestal and can be rotated around positioning pin by a vertical positioning pin, 82 tip of tongue is set There is towing point, the goat 14 is embedded in a manner of sinking to be mounted on switching turnout plate 4 and connect with the towing point at 82 tip of tongue, The pedestal 1 is rubble sandy soil structure or reinforced concrete structure.
The polymer composite 7 includes elastomeric pad and elastic filling material, and the elastomeric pad is in rail support groove 41 Bottom continuous laying, remaining gap is to stock rail 81,83 and of curve rail in elastic filling material filling rail support groove 41 Railway frog 84 is constrained.Drainage hole is opened up on the tongue pedestal, drainage hole is always downward through switching turnout plate 4.The tongue 82 There is recessed area in butt upper surface by working edge, and wedge block pressing is mounted on tongue pedestal in the recessed area and by bolt On, 82 upper surface of tongue is lower than at the top of wedge block and bolt.The guard rail 85 is realized and stock rail 81 by the support base of bottom It is contour and be fixedly mounted in rail support groove 41 by vertical bolt.
Rapid constructing method provided by the present invention is specific as follows:
A kind of rapid constructing method of embedded railway points system, comprising the following steps:
1), preparation of construction: unwrapping wire is carried out using CPIII unwrapping wire mode and CPIII control net measures, is then being constructed Cast-in-site pedestal marks line midline, switching turnout plate profile and plate stitch outline position in base top surface, and is laid in base top surface Separation layer;
2), laying a switch plate: in pre-fabricated factory, to prefabricated switching turnout plate outline position unwrapping wire is segmented, pillow is then utilized Wood slightly spreads positioning to switching turnout plate, then tuned plate tooling is installed at the Hoisting Position of switching turnout plate, finally removes sleeper, utilizes tuned plate work The horizontal position of the whole switching turnout plate of adjustment and elevation;
3), resilient sleeper-bearing, height adjusting cushion plate are installed in the rail support groove of switching turnout plate;
4) it, assembles track switch: the group mounted welder welded to rail part being installed in switching turnout plate support rail groove location, in switching turnout plate Plate end and the installation of plate stitch position carry out the adjustment bracket of positioning adjustment to rail part, and then rail part is hung in group mounted welder, is adjusted After adjusting position, it is welded as a whole;
5), laying a switch: after the rail part web of the rail is bonded damping block, removal group mounted welder, by adjusting bracket by rail Part is put into rail support groove and adjusts track geometry, is then fixed temporarily rail part with temporary locking tooling;
6), tongue is installed: tongue being put into rail support groove, tongue butt is mounted on tongue pedestal by bolt and wedge block;
7) it, is poured polymer composite: properly protecting measure to track switch plate top surface and rail part top surface, then in support rail It is poured polymer composite in slot, then is poured skin-material, after material reaches design strength, removes adjustment bracket and interim lock Determine tooling;
8), install goat: the goat installed position reserved on switching turnout plate installs goat, and goat passes through spiral shell Bar is connected with the towing point of the point of switch, to complete to assemble in the factory of embedded railway points system;
9), embedded railway points system positioning and fixed: the embedded railway points system that group installs in factory is transported to applying Work scene, according to the switch area unwrapping wire in step 1) as a result, sleeper is placed in unwrapping wire longitudinal extension, then by embedded road Trouble system is lifted into coarse positioning on sleeper, and utilizes tuned plate tooling accurate adjustment center line and elevation, finally utilizes tuned plate tooling and pressure Plate tooling fixes embedded railway points system;
10), perfusion mortar layer: after the pre-buried drainpipe in goat position bottom, to embedded railway points system and bottom Gap concrete perfusion screed between seat removes tuned plate tooling and pressing plate work after concrete strength reaches design strength Dress.
Feature possessed by above-mentioned technical proposal is:
1, step 2-step 8) is completed in factory, really at the scene construct the step of only have step 1), step 9), Step 10) reduces the workload of construction site, and site operation speed is extremely quick, and entire construction process is scientific and reasonable, construction When it is minimum to traffic impact.
2, in work progress can the track geometry to switching turnout plate and rail accurately adjusted, ensure that gauge, rail bottom Elevation and central lines of track etc. meet the high-precision requirement of route design, it is ensured that train is safely and smoothly run.
3, between each switching turnout plate, it is preset with plate stitch, convenient for the later maintenance of switching turnout plate and rail part.
Can also carry out construction procedure 11 again based on the above technical solution), road top application work: to embedded track switch be The circuit surface of system is laid with.
It is further preferred to above-mentioned technical proposal, in step 1), go out pedestal using CPIII control net line-putting method setting-out Edge positions simultaneously determine reinforcement installation position, then assembling reinforcement, carry out pass mould to pedestal using baffle, are poured concrete, When band concrete strength reaches design strength 75%, template is removed;It is marked using CPIII control net setting-out on base top surface Then the outline position of line midline, switching turnout plate and plate stitch is laid with separation layer in base top surface.
It is further preferred to above-mentioned technical proposal, limiting groove, limiting groove bottom paving are also set up on the base top surface If separation layer, four side of limiting groove is laid with resilient sleeper-bearing.Limiting groove can reinforce the cross spacing to embedded railway points system Effect.
It is further preferred to above-mentioned technical proposal, in step 3), in the road switching turnout plate support rail trench bottom adhesive for spraying Hou Yan Longitudinal extension of branching off is laid with resilient sleeper-bearing, then carries out elevation side every a distance to resilient sleeper-bearing top surface using total station Beam calculates the height adjusting cushion plate thickness under each point according to rail bottom designed elevation, and by the height adjusting cushion plate of respective thickness and elasticity Backing plate is bonded as one.The resilient sleeper-bearing in different cross section region selects different rigidity according to actual needs.Height adjusting cushion plate and height Molecular composite material has consistent elasticity modulus.
It is further preferred to above-mentioned technical proposal, in step 4), between stock rail and curve rail, between stock rail and railway frog It is previously-completed welding in processing, reduces the welding in embedded railway points system assembling process, improves assembling Efficiency shortens construction period.
It is further preferred to above-mentioned technical proposal, in step 7), baffle is placed at switching turnout plate rail support groove both ends, and in track switch Plate top surface and rail part top surface jointing tape paper or film, polymer composite are slowly injected into right in rail support groove after mixing evenly Gap is filled, and after polymer composite starts hardening, in its surface casting skin-material, is reached to skin-material and is set After counting intensity, adjustment bracket and temporary locking tooling are removed, removes the adhesive tape or film of track switch plate top surface and rail part top surface.
It is further preferred to above-mentioned technical proposal, it, will be between embedded railway points system and pedestal with baffle in step 10) After gap sealing, the grout hole by reserving on switching turnout plate reaches towards concrete perfusion screed in gap to concrete strength Design strength is moved back except baffle, tuned plate tooling and pressing plate tooling.
Detailed description of the invention
Fig. 1 is the cross-sectional structure schematic diagram of embedded railway points system of the present invention.
Fig. 2 is the vertical structure schematic diagram of embedded railway points system of the present invention.
Fig. 3 is the construction process figure of the method for the present invention.
It is identified in figure: 1- pedestal, 2- separation layer, 3- screed, 4- switching turnout plate, 41- rail support groove, 42- grout hole, 43- plate Seam, 5- resilient sleeper-bearing, 6- height adjusting cushion plate, 7- polymer composite, 8- rail part, 81- stock rail, 82- tongue, 83- curve Rail, 84- railway frog, 85- guard rail, 86- weld seam, 9- adjust bracket, 10- group mounted welder, 11-PVC pipe, 12- drainpipe, 13- limit Groove, 14- goat
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
Embodiment: as shown in figure 3, a kind of rapid constructing method of embedded railway points system, comprising the following steps:
1), preparation of construction: unwrapping wire is carried out using CPIII unwrapping wire mode and CPIII control net measures, is then being constructed Cast-in-site pedestal 1 marks line midline, 43 outline position of 4 profile of switching turnout plate and plate stitch in 1 top surface of pedestal, and pushes up in pedestal 1 Face is laid with separation layer 2.In step 1), go out the edge positions of pedestal 1 using CPIII control net line-putting method setting-out and determine to tap Muscle installation site, then assembling reinforcement carry out pass mould to pedestal 1 using baffle, are poured concrete, and band concrete strength, which reaches, to be set When counting intensity 75%, template is removed;Line midline, 4 and of switching turnout plate are marked using CPIII control net setting-out on 1 top surface of pedestal Then the outline position of plate stitch 43 is laid with separation layer 2 in 1 top surface of pedestal.Limiting groove 13 is also set up on 1 top surface of pedestal, 13 bottom of limiting groove is laid with separation layer 2, and 13 4 side of limiting groove is laid with resilient sleeper-bearing 5.
2) it, laying a switch plate 4: in pre-fabricated factory, to prefabricated 4 outline position unwrapping wire of switching turnout plate is segmented, then utilizes Sleeper is to the slightly paving positioning of switching turnout plate 4, then tuned plate tooling is installed at the Hoisting Position of switching turnout plate 4, finally removes sleeper, utilizes tune Plate tooling adjusts horizontal position and the elevation of switching turnout plate 4.
3), resilient sleeper-bearing 5, height adjusting cushion plate 6 are installed in the rail support groove 41 of switching turnout plate 4.In step 3), in switching turnout plate 4 It is laid with resilient sleeper-bearing 5 along track switch longitudinal extension after 41 bottom adhesive for spraying of rail support groove, then using total station to elasticity 5 top surface of backing plate carries out elevation curb girder every a distance, calculates the thickness of the height adjusting cushion plate under each point according to rail bottom designed elevation Degree, and the height adjusting cushion plate of respective thickness 6 and resilient sleeper-bearing 5 are bonded as one.
4) it, assembles track switch: the group mounted welder 10 welded to rail part 8 is installed in 41 position of rail support groove of switching turnout plate 4, The adjustment bracket 9 of positioning adjustment is carried out to rail part 8 at the plate end of switching turnout plate 4 and the installation of 43 position of plate stitch, then rail part 8 is hung To group mounted welder 10, after adjustment positioning, it is welded as a whole.In step 4), between stock rail 81 and curve rail 83, stock rail Welding is previously-completed in processing between 81 and railway frog 84.4 contact positions at solder joint 86-3 are welded using exothermic welding It connects, connector polishes flat after the completion of welding.In this step, pad 86-1,86-2,86-4 and 86-5 of rail part 8 are preparatory Complete welding.
5), laying a switch: after 8 web of the rail of rail part is bonded damping block, removal group mounted welder 10 will by adjusting bracket 9 Rail part 8 is put into rail support groove 41 and adjusts track geometry, is then fixed temporarily rail part 8 with temporary locking tooling.
6), tongue is installed: tongue 82 being put into rail support groove 41,82 butt of tongue is mounted on tongue by bolt and wedge block Pedestal.
7) it, is poured polymer composite 7: properly protecting measure to 4 top surface of switching turnout plate and 8 top surface of rail part, then exist It is poured polymer composite 7 in rail support groove 41, then is poured skin-material, after material reaches design strength, removes adjustment bracket 9 With temporary locking tooling.In step 7), baffle is placed at 41 both ends of rail support groove of switching turnout plate 4, and in 4 top surface of switching turnout plate and rail 8 top surface jointing tape paper of part or film, polymer composite 7 are slowly injected into rail support groove 41 after mixing evenly and carry out to gap Filling, after polymer composite 7 starts hardening, in its surface casting skin-material, reaches design strength to skin-material Afterwards, adjustment bracket 9 and temporary locking tooling are removed, the adhesive tape or film of 4 top surface of switching turnout plate and 8 top surface of rail part are removed.
8), install goat: the goat installed position reserved on switching turnout plate 4 installs goat 14, goat 14 It is connected by screw rod with the towing point at 82 tip of tongue, to complete to assemble in the factory of embedded railway points system.Goat 14 Power supply and signal cable passed through from the two φ 50mmPVC pipes 11 reserved on switching turnout plate 4, drawn from plate stitch 43 with it is extraneous Power supply and the connected of signal source
9), embedded railway points system positioning and fixed: the embedded railway points system that group installs in factory is transported to applying Work scene, according to the switch area unwrapping wire in step 1) as a result, sleeper is placed in unwrapping wire longitudinal extension, then by embedded road Trouble system is lifted into coarse positioning on sleeper, and utilizes tuned plate tooling accurate adjustment center line and elevation, finally utilizes tuned plate tooling and pressure Plate tooling fixes embedded railway points system.
10), perfusion mortar layer: after the pre-buried drainpipe 12 in goat position bottom, to embedded railway points system with Gap concrete perfusion screed 3 between pedestal 1 removes tuned plate tooling and pressure after concrete strength reaches design strength Plate tooling.In step 10), with baffle by after the gap sealing between embedded railway points system and pedestal, by pre- on switching turnout plate 4 The grout hole 42 stayed reaches design strength to concrete strength and moves back except baffle, tuned plate towards concrete perfusion screed 3 in gap Tooling and pressing plate tooling.
11), road top application work: being laid with the circuit surface of embedded railway points system, the grass planting that such as bankets, asphalt or Sandstone.

Claims (8)

1. a kind of rapid constructing method of embedded railway points system, it is characterised in that the following steps are included:
1), preparation of construction: unwrapping wire is carried out using CPIII unwrapping wire mode and CPIII control net measures, then at the construction field (site) It is poured pedestal, marks line midline, switching turnout plate profile and plate stitch outline position in base top surface, and be laid with and be isolated in base top surface Layer;
2), laying a switch plate: in pre-fabricated factory, to prefabricated switching turnout plate outline position unwrapping wire is segmented, sleeper pair is then utilized Switching turnout plate slightly spreads positioning, then tuned plate tooling is installed at the Hoisting Position of switching turnout plate, finally removes sleeper, utilizes tuned plate tooling tune The horizontal position of whole switching turnout plate and elevation;
3), resilient sleeper-bearing, height adjusting cushion plate are installed in the rail support groove of switching turnout plate;
4) it, assembles track switch: the group mounted welder welded to rail part being installed in switching turnout plate support rail groove location, at switching turnout plate plate end The adjustment bracket of positioning adjustment is carried out to rail part with the installation of plate stitch position, then rail part is hung in group mounted welder, and adjustment is fixed Behind position, it is welded as a whole;
5), laying a switch: after the rail part web of the rail is bonded damping block, removal group mounted welder puts rail part by adjusting bracket Enter in rail support groove and adjust track geometry, is then fixed temporarily rail part with temporary locking tooling;
6), tongue is installed: tongue being put into rail support groove, tongue butt is mounted on tongue pedestal by bolt and wedge block;
7) it, is poured polymer composite: properly protecting measure to track switch plate top surface and rail part top surface, then in rail support groove It is poured polymer composite, then is poured skin-material, after skin-material reaches design strength, removes adjustment bracket and interim Locking tool;
8), install goat: on switching turnout plate reserve goat installed position install goat, goat by screw rod with The towing point of the point of switch is connected, to complete to assemble in the factory of embedded railway points system;
9), embedded railway points system is positioned and is fixed: the embedded railway points system that group installs in factory being transported existing to construction , according to the switch area unwrapping wire in step 1) as a result, placing sleeper in unwrapping wire longitudinal extension, then it is by embedded track switch System is lifted into coarse positioning on sleeper, and utilizes tuned plate tooling accurate adjustment center line and elevation, finally utilizes tuned plate tooling and pressing plate work Dress fixes embedded railway points system;
10), perfusion mortar layer: after the pre-buried drainpipe in goat position bottom, to embedded railway points system and pedestal it Between gap concrete perfusion screed remove tuned plate tooling and pressing plate tooling after concrete strength reaches design strength.
2. a kind of rapid constructing method of embedded railway points system according to claim 1, it is characterised in that further include step It is rapid:
11), road top application work: the circuit surface of embedded railway points system is laid with.
3. a kind of rapid constructing method of embedded railway points system according to claim 1 or 2, it is characterised in that: step 1) in, go out the edge positions of pedestal using CPIII control net line-putting method setting-out and determine reinforcement installation position, then bind Reinforcing bar carries out pass mould to pedestal using baffle, is poured concrete and removes mould when band concrete strength reaches design strength 75% Plate;The outline position of line midline, switching turnout plate and plate stitch is marked using CPIII control net setting-out on base top surface, then Separation layer is laid in base top surface.
4. a kind of rapid constructing method of embedded railway points system according to claim 3, it is characterised in that: the pedestal Limiting groove is also set up on top surface, limiting groove bottom is laid with separation layer, and four side of limiting groove is laid with resilient sleeper-bearing.
5. a kind of rapid constructing method of embedded railway points system according to claim 1, it is characterised in that: step 3) In, it is laid with resilient sleeper-bearing along track switch longitudinal extension after switching turnout plate support rail trench bottom adhesive for spraying, then uses whole station Instrument carries out the measurement of higher degree every a distance to resilient sleeper-bearing top surface, calculates the tune under each point according to rail bottom designed elevation High plate thickness, and the height adjusting cushion plate of respective thickness is bonded as one with resilient sleeper-bearing.
6. a kind of rapid constructing method of embedded railway points system according to claim 1, it is characterised in that: step 4) In, between stock rail and curve rail, welding is previously-completed in processing between stock rail and railway frog.
7. a kind of rapid constructing method of embedded railway points system according to claim 1, it is characterised in that: step 7) In, baffle is placed at switching turnout plate rail support groove both ends, and in track switch plate top surface and rail part top surface jointing tape paper or film, high score Sub- composite material is slowly injected into rail support groove after mixing evenly and is filled to gap, starts to harden to polymer composite Afterwards, in its surface casting skin-material, after skin-material reaches design strength, adjustment bracket and temporary locking tooling are removed, Remove the adhesive tape or film of track switch plate top surface and rail part top surface.
8. a kind of rapid constructing method of embedded railway points system according to claim 1, it is characterised in that: step 10) In, with baffle by after the gap sealing between embedded railway points system and pedestal, by the grout hole reserved on switching turnout plate towards seam Concrete perfusion screed in gap reaches design strength to concrete strength and moves back except baffle, tuned plate tooling and pressing plate tooling.
CN201810216788.8A 2018-03-16 2018-03-16 A kind of rapid constructing method of embedded railway points system Active CN108286210B (en)

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RU203554U1 (en) * 2020-11-23 2021-04-12 Федеральное государственное автономное образовательное учреждение высшего образования "Российский университет транспорта" (ФГАОУ ВО РУТ (МИИТ), РУТ (МИИТ)) PLATE BASE OF ROTARY TRANSFERS

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CN103362036B (en) * 2013-07-24 2014-10-22 成都市新筑路桥机械股份有限公司 Quick construction method of embedded rail system
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