CN103669132A - Construction method for inserting and paving existing railway line of P60-1/42 large-number ballast high-speed turnout - Google Patents
Construction method for inserting and paving existing railway line of P60-1/42 large-number ballast high-speed turnout Download PDFInfo
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- CN103669132A CN103669132A CN201310713718.0A CN201310713718A CN103669132A CN 103669132 A CN103669132 A CN 103669132A CN 201310713718 A CN201310713718 A CN 201310713718A CN 103669132 A CN103669132 A CN 103669132A
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- 241001584775 Tunga penetrans Species 0.000 claims description 11
- 239000003245 coal Substances 0.000 claims description 10
- 239000012634 fragment Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 5
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- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- 241001310793 Podium Species 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a construction method for inserting and laying an existing line of a P60-1/42 large-number ballast high-speed turnout, which comprises the steps of selecting an assembling position, erecting a turnout assembling platform, integrally assembling the turnout, transversely moving and inserting and laying the turnout in a locking point, and maintaining the turnout after opening. The method reduces the times of blocking construction, reduces the construction safety risk, saves material and labor consumption, and saves investment for turnout inserting and laying construction.
Description
Technical field
The present invention relates to a kind of construction method of railroad track, specifically a kind of have both wired slotting paving construction methods of tiny fragments of stone, coal, etc. high-speed switch based on P60-1/42 large size code channel trouble model.
Background technology
Up to now, the track switch model of domestic extrapolation paving is substantially in the majority with P60-1/9, P60-1/12 track switch, has fully grasped the slotting paving construction technology of ting model track switch at present.Along with the construction of high-speed railway is accelerated day by day, the use of large size code channel trouble is more and more, in order to improve the running quality of railway, improve track switch side direction Negotiation speed, by the existing drawing lines of original ting model track switch, branched off to insert to spread and develop into P60-1/18# trouble and the slotting paving of P60-1/30# turnout trouble.2009 (military wide high ferro), just complete both wired slotting pavings of the large model track switch of P60-1/30.
Summary of the invention
The object of this invention is to provide a kind ofly has both wired slotting paving constructions of tiny fragments of stone, coal, etc. high-speed switch based on P60-1/42 large size code channel trouble model, the method is long by making up, large size code channel branches off both technology vacancies of wired slotting paving, the peculiar construction more save time, labour-saving completing its formation of the slotting paving construction of the number track switch of growing up, allows length, large size code channel trouble slotting paving construction technology and operation have according to examining.
Technical solution problem of the present invention adopts following scheme:
First according to track switch design attitude reference both wired existing situation, choose suitable pre-splicing place and build assembly platform, then adopting railway transportation that the grouping of trouble material is transported to job site unloads, manually use pulley to have bad luck and put in place according to assembled position the rail after unloading, start track switch pre-assembled and branch off interior welding and accurate adjustment.After above step completes, main points are removed the existing line of correspondence position, by whole traversing slotting the paving to design attitude of track switch, block in point to inserting track switch after paving, rise, track lining maintenance, the UNICOM of powering, in point, support greatly to train passage condition, 24h patrols and supports speed-raising to designing speed per hour.
Specifically carry out as follows:
A, assembled position are chosen
Select the existing trajectory one side plot of pre-inserted track switch as the assembled ground of traversing track switch, place meets the requirement of track switch integral assembling, and the place not satisfying condition is moved and changed site plant in time; Planning reasonable Arrangement place, reserved construction is traversing, goods and materials are got the raw materials ready space, so just can meet track switch integral assembling, ensures the slotting paving of track switch precision, saves a large amount of vertical shift time simultaneously;
B, switch assembly platform are set up
Assembly platform is selected the line track closing on, or utilizes old sleeper and square steel to set up behind smooth assembled ground, the poor 5cm that is less than of assembly platform whole height;
C, track switch integral assembling
Whole pre-splicing track switch on assembly platform, track switch has been assembled the trouble debugging of laggard trade, the joint of track switch inside is welded after qualified; Then the track switch of adjusting is checked and also passes through the examination before upper track;
Traversing slotting causeway trouble in d, blockade point
Block and insert before paving point, utilize sleeper head and track jack that track switch is lifted, penetrate slide rail and jigger, utilize coaster as traversing rolling equipment, adjust switch location and be parallel to existing line, fall trouble row, make slide rail coaster stressed, jigger uses and is fixed on the sub-stop of timber wedge on slide rail, carries out trouble row anti-slip;
The slotting paving point of blockade takes back streamline personnel and utilizes clamp to connect in orbit ready return wire after assigning; Return wire installs the follow-up dismounting operation of rear beginning; Sleeper, rail have been cleared up to the rear quarrel that manually starts to take off, having taken off after quarrel finishes, connecting sliding rail has been supported on railway roadbed, then by clamping plate bolt, slide rail and connecting sliding rail have been connected and fixed, carried out afterwards track switch traversing;
In the traversing process of track switch, control transverse moving speed and slowly move forward, every mobile 50cm, observe track switch global displacement amount and line style, suitably adjusts turnout linear and keeps straight;
After whole traversing the putting in place of track switch, according to the traversing control point of accomplishing fluently in advance on slide rail, carry out observation, it is traversing in place or traversing excessive whether observation has partial points not have, and according to the control point of accomplishing fluently in advance, adjusts track switch lateral attitude, traversingly in placely fall before trouble row, error is controlled in 3cm; Track switch traversing in place after, jack-up track switch is taken out slide rail, jigger, slowly falls track switch, after falling, track switch carries out coarse adjustment, carry out Feng Chayang road, on-the-spot saw rail connects track switch front and back joint simultaneously, utilizes turnout tamping operation unit to carry out track switch maintenance to meeting the condition of opening;
E, track switch are patrolled foster after opening
Track switch is carried out 24h and is patrolled fosterly after opening, slowly speed-raising is to designing speed per hour.
Construction method feature of the present invention is also:
The rail end of described track switch and cutting is reserved with 6-8mm rail gap.
Described slide rail and connecting sliding rail are provided with 2 ‰ gradients.
In steps d the clear quarrel degree of depth with former rail foot surface down 55cm be as the criterion, the width that is cut is clearly that both sides are respectively greater than sleeper 30cm and are as the criterion.
In order to control the displacement in the traversing process of track switch, while making track switch traversing, overall wire row is controlled, on slide rail, every 50cm does a lateral displacement observation point, in advance timber wedge is fixed on connecting sliding rail, as the shutdown device in the traversing process of track switch according to the traversing amount of track switch simultaneously.
Steps d is blocked and is inserted before paving point, first makes switches track-lifting and shifting stake, checks cut point position, is divided into multistage cutting, measures and will play track lining quantitative character on spud pile position, the every 5m of track lining stake mono-place, stake every 10m mono-place of raising track.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the segmentation of original large size code channel trouble insert paving method not only time-consuming, effort also cannot ensure and insert precision after paving, compare the segmentation of existing large size code channel trouble and insert the construction method that this construction of paving method adopts whole pre-splicing disposable slippage to put in place, first move and change existing equipment and meet assembled condition, by integral slipping, insert paving, accurate control to the traversing amount of track switch, vertical shift amount in process, has greatly improved track switch and has inserted the precision after paving, avoids track switch distortion, kept track switch globality, integral body has been saved the engineering time.
2, the large number of P60-1/42 have tiny fragments of stone, coal, etc. high-speed switch both wired slotting paving construction method reduced blockade construction times, reduced construction safety risk, also saved goods and materials and manpower consumption simultaneously, for track switch, insert paving construction and saved investment.
3, the inventive method comprises debugging and maintenance and the maintenance after track switch is laid, and track switch can normally be used after inserting paving and meet at short notice speed-raising requirement, thereby guaranteeing the normal operation of existing line train.
Accompanying drawing explanation
Fig. 1 is that the present invention overlays place floor map.
Fig. 2 is the traversing sectional schematic diagram of track switch of the present invention.
Fig. 3 is that track switch of the present invention is inserted paving top view.
Fig. 4 is return wire connection diagram.
In figure: 11 newly-built up interconnections, 12 existing uplinks, the hard cross bar of 13 newly-built transition contact net, 14 both wired contact net bar, 15 assembled track switches overlay place, 21 return wires, 22 clamps, 23 existing lines, 24 track switch Cha Pu districts, 31 platform for lining, 32 jiggers, 33 slide rails, 34 clamping plate, 35 timber wedges, 36 connecting sliding rails with both wired interim isolation, 16.
Below, by the specific embodiment, by reference to the accompanying drawings the present invention is done to a step explanation.
The specific embodiment
The present embodiment operates as follows:
1, levelling of the land (choosing), existing equipment transition
According to track switch design attitude, carry out on-the-spot on-site inspection, on affect the traversing existing equipment of track switch formulate reasonably move change, interim transition scheme, planning reasonable Arrangement place, reserved construction is traversing, goods and materials are got the raw materials ready space, is illustrated in figure 1 the assembled place after equipment transition.In figure 11 for newly-built up interconnection, 12 for existing uplink, 13 for the hard cross bar of newly-built transition contact net, 14 for both wired contact net bar, 15 for assembled track switch with both wired interim isolation, 16 for overlaying place, 24 track switch Cha Pu districts.
2, set up switch assembly platform
The line track closing on can be selected in assembly jig position, also can after smooth location, utilize old sleeper and square steel (rail) to set up, it is firm to require to reinforce, meet track switch and overlay smooth-going requirement, the whole discrepancy in elevation is not more than 5cm, podium level as shown in Figure 2, requires track switch below to pad after slide rail 33 and jigger 32 than both wired rail levels slightly high traversing to facilitate (being slide rail 2 ‰ gradients).
3, track switch trouble material is unloaded
The place that can use crane to unload, switch track is unloaded and is adopted 2 50t cranes and large rigidity, flexible suspender belt, many suspension centres special hanger to lift and unload.The place that cannot use crane to unload, can adopt and set up the traversing method of sleeper buttress slide rail and unload according to both wired traffic conditions.
4, pre-splicing track switch
1. switch tie is laid
Lay according to the stake of trouble position and working drawing tie distance after having constructed on supporting rail assembly jig position, has marked in advance sleeper numbering on supporting rail, while lifting pillow, according to numbering, the sleeper of same reference numeral is directly lifted to position.
2. backing plate is installed
Switch tie is through after extensive, with reference to track switch construction drawing, track switch rubber mat plate and resilient sleeper-bearing are arranged on sleeper, tighten backing plate king-bolt, the rail cant of noting backing plate 1:40 during installation towards, descending is towards wire center, and (maximum adjustment amount 10mm) deposited in the classification of the adjustment backing plate of outfit.
3. switch track is in place
Sleeper is extensive, after backing plate installation, manually switch track poured on switch tie, and according to switch track position, segmented assembly track switch trouble row, reserved rail gap 8mm when assembled, can need existing saw according to welding during exothermic welding.
4. track switch is assembled
After switch track puts in place, manually switch track is set right, adjust switch track position, upper clasp.
5. before track switch upper track, check and accept
Track switch is assembled carries out exothermic welding after completing and connects, after welding, insert notice work business before paving, supervisor checks the track switch of adjusting and upper track before examination, physical dimension meets can insert paving after upper track requirement and construct.
5, block traversing slotting causeway trouble in point
Before construction, technician first makes switches track-lifting and shifting stake, checks cut point position (7 groups of personnel cut into 6 sections simultaneously), measures and will play track lining quantitative character on spud pile position, the every 5m of track lining stake mono-place, stake every 10m mono-place of raising track.
Block the previous day, utilize sleeper head and track jack that track switch is lifted, penetrate as shown in Figure 3 slide rail and jigger adjustment trouble row and existing line parallel, fall trouble and arrange, make slide rail coaster stressed.Jigger uses the sub-stop of timber wedge as shown in Figure 2, carry out trouble row anti-slip, in order to control the displacement in the traversing process of track switch, while making track switch traversing, overall wire row is controlled, on slide rail, every 50cm does a displacement observation point, according to the traversing amount of track switch, in advance timber wedge 35 is fixed on connecting sliding rail 36, as the shutdown device in the traversing process of track switch simultaneously.
After blockade point is assigned, as shown in Figure 4, connect return wire personnel and utilize clamp 22 to be connected on existing line 23 ready return wire 21, return wire clamp tie point shifts to an earlier date polishing, ensures that return wire electric current is unobstructed.Return wire installs the follow-up dismounting operation of rear beginning.
Sleeper, rail have been cleared up the rear quarrel that manually starts to take off, the clear quarrel degree of depth is as the criterion with the former rail surface 55cm that goes down, utilization shifts to an earlier date ready-made observation stake and aluminium alloy level is measured the clear quarrel degree of depth, in process, utilize lime to spread out the width that is cut clearly (both sides are respectively greater than sleeper 30cm), to forbid to cause in order saving time that the end degree of depth is inadequate clearly, finally to cause track switch to occur bulge phenomenon.Confirm that the degree of depth, width are up to standard, connecting sliding rail 36 is supported on railway roadbed, then by clamping plate 34, slide rail 33 and connecting sliding rail 36 are connected and fixed, personnel remove the exclusive side of trouble to carry out track switch traversing afterwards.
In the traversing process of track switch, must control transverse moving speed, every mobile 50cm, technician will observe track switch global displacement amount and line style, suitably adjusts turnout linear and keeps straight.
After whole traversing the putting in place of track switch, whether technician measures (dipstick metering) every point of 10m, have partial points not have traversing in place or traversing excessive, according to measurement result, carries out part adjustment, traversingly with regard to bit error, is controlled in 5cm.
After track switch is in place, jack-up track switch is taken out slide rail, jigger, slowly fall track switch, after falling, track switch carries out coarse adjustment, seal quarrel simultaneously, made track lining operation firm by ramming, after ballast aggregate backfill, utilize the soft small-sized tamping machine tool that pounds to make firm by ramming, manually general orientation and twist irregularity are carried out to levelling, meet large machine curing condition.
The operation of turnout tamping car completes to be exited after track switch, the ballast aggregate of work business cleaning tongue and movable head frog inner side, ensure clear on slide plate and inside movable rail, the electric track switch interlock test of being engaged in carrying out, synchronous work business is rectified and improved switch closure, large foster rear physical dimension place not up to standard.
6, track switch is patrolled foster after opening
After line clear according to the speed limit requirement of going slowly, in going slowly a little, being equipped with enough personnel carries out circuit to construction site and patrols foster, track switch is patrolled and is supported after end, as jeopardized the situation of traffic safety without finding that gauge, level, direction etc. seriously transfinite, according to relevant regulations, handles safe handing-over.
Claims (6)
- The large number of 1.P60-1/42 has both wired slotting paving construction methods of tiny fragments of stone, coal, etc. high-speed switch, it is characterized in that, carries out as follows:A, assembled position are chosenSelect the existing trajectory one side plot of pre-inserted track switch as the assembled ground of traversing track switch, place meets the requirement of track switch integral assembling, and the place not satisfying condition is moved and changed site plant in time;B, switch assembly platform are set upAssembly platform is selected the line track closing on, or utilizes old sleeper and square steel to set up behind smooth assembled ground, the poor 5cm that is less than of assembly platform whole height;C, track switch integral assemblingWhole pre-splicing track switch on assembly platform, track switch has been assembled the trouble debugging of laggard trade, the joint of track switch inside is welded after qualified; Then the track switch of adjusting is checked and also passes through the examination before upper track;Traversing slotting causeway trouble in d, blockade pointBlock and insert before paving point, utilize sleeper head and track jack that track switch is lifted, penetrate slide rail and jigger, utilize coaster as traversing rolling equipment, adjust switch location and be parallel to existing line, fall trouble row, make slide rail coaster stressed, jigger uses and is fixed on the sub-stop of timber wedge on slide rail, carries out trouble row anti-slip;The slotting paving point of blockade takes back streamline personnel and utilizes clamp to connect in orbit ready return wire after assigning; Return wire installs the follow-up dismounting operation of rear beginning; Sleeper, rail have been cleared up to the rear quarrel that manually starts to take off, having taken off after quarrel finishes, connecting sliding rail has been supported on railway roadbed, then by clamping plate bolt, slide rail and connecting sliding rail have been connected and fixed, carried out afterwards track switch traversing;In the traversing process of track switch, control transverse moving speed and slowly move forward, every mobile 50cm, observe track switch global displacement amount and line style, suitably adjusts turnout linear and keeps straight;After whole traversing the putting in place of track switch, according to the traversing control point of accomplishing fluently in advance on slide rail, carry out observation, it is traversing in place or traversing excessive whether observation has partial points not have, and according to the control point of accomplishing fluently in advance, adjusts track switch lateral attitude, traversingly in placely fall before trouble row, error is controlled in 3cm; Track switch traversing in place after, jack-up track switch is taken out slide rail, jigger, slowly falls track switch, after falling, track switch carries out coarse adjustment, carry out Feng Chayang road, on-the-spot saw rail connects track switch front and back joint simultaneously, utilizes turnout tamping operation unit to carry out track switch maintenance to meeting the condition of opening;E, track switch are patrolled foster after openingTrack switch is carried out 24h and is patrolled fosterly after opening, slowly speed-raising is to designing speed per hour.
- 2. the large number of P60-1/42 according to claim 1 has both wired slotting paving construction methods of tiny fragments of stone, coal, etc. high-speed switch, it is characterized in that: the rail end of described track switch and cutting is reserved with 6-8mm rail gap.
- 3. the large number of P60-1/42 according to claim 1 has both wired slotting paving construction methods of tiny fragments of stone, coal, etc. high-speed switch, it is characterized in that: described slide rail and connecting sliding rail are provided with 2 ‰ gradients.
- 4. the large number of P60-1/42 according to claim 1 has both wired slotting paving construction methods of tiny fragments of stone, coal, etc. high-speed switch, it is characterized in that: in steps d the clear quarrel degree of depth with former rail foot surface down 55cm be as the criterion, the width that is cut is clearly that both sides are respectively greater than sleeper 30cm and are as the criterion.
- 5. the large number of P60-1/42 according to claim 1 has both wired slotting paving construction methods of tiny fragments of stone, coal, etc. high-speed switch, it is characterized in that: in order to control the displacement in the traversing process of track switch, while making track switch traversing, overall wire row is controlled, on slide rail, every 50cm does a lateral displacement observation point, according to the traversing amount of track switch, in advance timber wedge is fixed on connecting sliding rail, as the shutdown device in the traversing process of track switch simultaneously.
- 6. the large number of P60-1/42 according to claim 1 has both wired slotting paving construction methods of tiny fragments of stone, coal, etc. high-speed switch, it is characterized in that: steps d is blocked and inserted before paving point, first make switches track-lifting and shifting stake, check cut point position, be divided into multistage cutting, measure and will play track lining quantitative character on spud pile position, the every 5m of track lining stake mono-place, stake every 10m mono-place of raising track.
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| CN201310713718.0A CN103669132B (en) | 2013-12-20 | 2013-12-20 | Construction method for inserting and paving existing railway line of P60-1/42 large-number ballast high-speed turnout |
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| CN201310713718.0A CN103669132B (en) | 2013-12-20 | 2013-12-20 | Construction method for inserting and paving existing railway line of P60-1/42 large-number ballast high-speed turnout |
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| CN103669132B CN103669132B (en) | 2016-07-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460795A (en) * | 2017-08-21 | 2017-12-12 | 中铁二十局集团第五工程有限公司 | Existing railway station changes track switch whole group in enclosed point and changes construction technology |
| CN111041909A (en) * | 2019-12-13 | 2020-04-21 | 中国铁建高新装备股份有限公司 | Ballast turnout inserting and laying construction method |
| CN112695576A (en) * | 2020-10-15 | 2021-04-23 | 中铁十六局集团铁运工程有限公司 | Electrified railway business line laying method based on accurate positioning of turnout inserting and laying positions |
| CN112878120A (en) * | 2019-11-29 | 2021-06-01 | 中国铁建高新装备股份有限公司 | Mechanical replacing and laying construction method for ballast turnout |
| CN114351520A (en) * | 2021-11-15 | 2022-04-15 | 中铁七局集团武汉工程有限公司 | Railway track laying method |
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| EP1066424A1 (en) * | 1998-03-27 | 2001-01-10 | Spie Batignolles T.P. | Railway line construction method, railway unit panel, machine setting such panels, concrete paver and railway line |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460795A (en) * | 2017-08-21 | 2017-12-12 | 中铁二十局集团第五工程有限公司 | Existing railway station changes track switch whole group in enclosed point and changes construction technology |
| CN107460795B (en) * | 2017-08-21 | 2019-01-29 | 中铁二十一局集团第五工程有限公司 | Existing railway station changes track switch whole group in enclosed point and replaces construction technology |
| CN112878120A (en) * | 2019-11-29 | 2021-06-01 | 中国铁建高新装备股份有限公司 | Mechanical replacing and laying construction method for ballast turnout |
| CN111041909A (en) * | 2019-12-13 | 2020-04-21 | 中国铁建高新装备股份有限公司 | Ballast turnout inserting and laying construction method |
| CN112695576A (en) * | 2020-10-15 | 2021-04-23 | 中铁十六局集团铁运工程有限公司 | Electrified railway business line laying method based on accurate positioning of turnout inserting and laying positions |
| CN114351520A (en) * | 2021-11-15 | 2022-04-15 | 中铁七局集团武汉工程有限公司 | Railway track laying method |
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| Publication number | Publication date |
|---|---|
| CN103669132B (en) | 2016-07-06 |
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