CN103669132B - 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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- CN103669132B CN103669132B CN201310713718.0A CN201310713718A CN103669132B CN 103669132 B CN103669132 B CN 103669132B CN 201310713718 A CN201310713718 A CN 201310713718A CN 103669132 B CN103669132 B CN 103669132B
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 17
- 241001669679 Eleotris Species 0.000 claims description 18
- 241001584775 Tunga penetrans Species 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241001310793 Podium Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 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
- 238000012360 testing method Methods 0.000 description 1
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- Machines For Laying And Maintaining Railways (AREA)
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 the construction method of a kind of railroad track, specifically a kind of based on P60-1/42 large size code channel branch off model have tiny fragments of stone, coal, etc. high-speed switch both wired slotting paving construction methods.
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 gets more and more, in order to improve the running quality of railway, improve track switch laterally through speed, original ting model track switch existing drawing lines slotting paving of trouble develop into P60-1/18# trouble and P60-1/30# turnout trouble is inserted and spread.P60-1/30 big model track switch both wired slotting pavings are just completed 2009 (military wide high ferro).
Summary of the invention
It is an object of the invention to provide a kind of based on P60-1/42 large size code channel branch off model have tiny fragments of stone, coal, etc. high-speed switch both wired slotting paving constructions, the method will make up technology vacancy long, large size code channel trouble both wired slotting pavings, more save time, the labour-saving number track switch that completes to grow up is inserted paving and is constructed the peculiar construction of its formation, allow long, large size code channel trouble inserts paving construction technology and operation has according to examining.
This invention address that technical problem adopts following scheme:
First choose suitable pre-splicing place according to track switch design position with reference to both wired existing situations and build assembly platform, then packet is transported to job site and unloads to adopt railway transportation trouble to be expected, rail after unloading manually uses pulley have bad luck according to assembled position put in place, start track switch assembled in advance and carry out branching off interior welding and accurate adjustment.Above step complete after main points remove correspondence position existing line, track switch whole lateral moving is inserted paving to design attitude, in block point, the track switch after slotting paving has been carried out, track lining maintenance, power supply UNICOM, supporting greatly in point to train passage condition, 24h patrols foster speed-raising to designing speed per hour.
Specifically carry out as follows:
A, assembled position are chosen
Selecting the assembled ground as traversing track switch, the plot, existing trajectory side of pre-inserted track switch, place meets track switch integral assembling requirement, field apparatus is moved by place in time that be unsatisfactory for condition and changes；Planning reasonable Arrangement place, reserved construction is traversing, goods and materials get the raw materials ready space, thus can meet track switch integral assembling, ensures that track switch inserts paving precision, saves a large amount of vertical shift time simultaneously；
B, switch assembly platform are set up
Assembly platform selects the line track closed on, or utilizes old sleeper and square steel to set up behind smooth assembled ground, and assembly platform whole height difference is less than 5cm；
C, track switch integral assembling
Overall pre-splicing track switch on assembly platform, track switch is completed the trouble debugging of laggard trade, is welded by the joint within track switch after qualified；Then carry out the track switch adjusted checking and and examination before upper track；
Traversing slotting causeway trouble in d, block point
Before paving point is inserted in block, sleeper head and track jack is utilized track switch to be 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 stress, jigger uses the sub-stop of timber wedge being fixed on slide rail, carries out trouble row anti-slip；
The slotting paving point of block takes back streamline personnel and ready return wire utilizes clamp connect in orbit after assigning；Return wire starts follow-up dismounting operation after installing；Manually proceed by after sleeper, rail have been cleared up and take off quarrel, take off after quarrel terminates, connecting sliding rail is supported on railway roadbed, then passes through clamping plate bolt and slide rail is connected with connecting sliding rail fixing, carry out track switch afterwards traversing；
The traversing process of track switch controls transverse moving speed slowly move forward, often move 50cm, track switch global displacement amount and line style are observed, suitably adjust turnout linear and keep straight；
After track switch whole lateral moving puts in place, observation is carried out at traversing control point according to accomplishing fluently in advance on slide rail, has seen whether that partial points does not have traversing in place or traversing excessive, adjusts track switch lateral attitude according to the control point accomplished fluently in advance, traversing in place fall trouble row before, error control is within 3cm；Track switch traversing in place after, jack-up track switch take out slide rail, jigger, slowly fall track switch, track switch carries out coarse adjustment after falling, carrying out Feng Chayang road, on-the-spot saw rail connects joint before and after track switch simultaneously, utilizes turnout tamping Complete working unit to carry out track switch maintenance and opens condition to satisfied；
E, track switch are patrolled foster after opening
Track switch carries out 24h after opening and patrols foster, and slow speed-raising is to designing speed per hour.
Construction method feature of the present invention also resides in:
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 step d, the clear quarrel degree of depth is as the criterion with former rail foot surface down 55cm, and clear quarrel width is that both sides are respectively as the criterion more than sleeper 30cm.
In order to control the displacement in the traversing process of track switch, when making track switch traversing, overall wire row is controlled, on slide rail, every 50cm does a lateral displacement observation station, is fixed on connecting sliding rail by timber wedge in advance according to the traversing amount of track switch, as the shutdown device in the traversing process of track switch simultaneously.
Step d block is first made switches track-lifting and shifting stake, is checked cut point position before inserting paving point, is divided into multistage cutting, measures and by track lining quantitative character on spud pile position, track lining stake every 5m mono-place, track lifting stake every 10m mono-place.
Compared with the prior art, beneficial effects of the present invention is embodied in:
1, original large size code channel trouble segmentation insert laid process not only time-consuming, effort also cannot ensure insert paving after precision, compare the trouble segmentation of existing large size code channel and insert the construction method that this construction of laid process adopts overall pre-splicing disposable sliding to put in place, first move and change the satisfied assembled condition of existing equipment, paving is inserted by integral slipping, the traversing amount of track switch, the accurate of vertical shift amount are controlled by process, substantially increases the precision after track switch inserts paving, it is to avoid track switch deforms, maintaining track switch globality, entirety has saved the engineering time.
2, the big number of P60-1/42 has tiny fragments of stone, coal, etc. high-speed switch both wired slotting paving construction methods to decrease block construction times, reduces construction safety risk, also saves goods and materials and manpower consumption simultaneously, inserts paving construction for track switch and saves investment.
3, the inventive method includes the debugging after track switch is laid and maintenance and maintenance, makes track switch can normally use after slotting paving and meets speed-raising requirement at short notice, so that it is guaranteed that 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 inserts paving top view.
Fig. 4 is return wire connection diagram.
In figure: 11 newly-built up interconnections, 12 existing uplinks, the 13 newly-built hard cross bars of transition contact net, 14 both Line Contacts net bar, 15 assembled track switches with both wired temporarily isolating, 16 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.
Below by way of detailed description of the invention, in conjunction with accompanying drawing, the present invention done a step explanation.
Detailed description of the invention
The present embodiment operates as follows:
1, levelling of the land (is chosen), existing equipment transition
On-the-spot on-site inspection is carried out according to track switch design position, 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 get the raw materials ready space, is illustrated in figure 1 the assembled place after equipment transition.Figure 11 is newly-built up interconnection, 12 be existing uplink, 13 be the newly-built hard cross bar of transition contact net, 14 be both Line Contacts net bars, 15 for assembled track switch with both wired temporarily isolating, 16 for overlaying place, 24 track switch Cha Pu districts.
2, switch assembly platform is set up
Assembly jig position may select the line track closed on, old sleeper and square steel (rail) can also be utilized to set up after smooth location, require that reinforcing is firm, meet track switch and overlay smooth-going requirement, the overall discrepancy in elevation is not more than 5cm, podium level is as shown in Figure 2, it is desirable to more slightly higher than both wired rail levels to facilitate traversing (i.e. slide rail 2 ‰ gradient) after having padded slide rail 33 and jigger 32 below track switch.
3, track switch trouble material is unloaded
Can using the place that crane is unloaded, unload 2 50t cranes of employing and big rigidity, flexible suspender belt, many suspension centres special hanger of switch track carries out lifting and unloads.The place that crane is unloaded cannot be used, the method setting up sleeper buttress slide rail traversing can be adopted according to both wired traffic conditions to unload.
4, pre-splicing track switch
1. switch tie is laid
Assembly jig position is laid according to trouble position stake and construction drawing tie distance after having constructed on supporting rail, has marked sleeper numbering in advance, according to numbering, the sleeper of same reference numeral is directly lifted to position when lifting pillow on supporting rail.
2. backing plate is installed
Switch tie is 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, note during installation the rail cant of backing plate 1:40 towards, descending is towards wire center, and (maximum adjustment amount 10mm) is deposited in the adjustment backing plate classification of outfit.
3. switch track is in place
Sleeper is extensive, after backing plate installation, manually pours on switch tie by switch track, according to switch track position, segmented assembly track switch trouble row, reserved rail gap 8mm time assembled, can need existing saw according to welding during exothermic welding.
4. track switch is assembled
Switch track is manually set right after putting in place by switch track, adjusts switch track position, upper clasp.
5. check and accept before track switch upper track
Track switch assembly carries out aluminum weld after completing, and notifies the examination before the track switch inspection to adjusting of work business, supervisor and upper track after welding before slotting paving, and physical dimension can carry out inserting paving and construct after meeting upper track requirement.
5, traversing slotting causeway trouble in block point
Before construction, technical staff first makes switches track-lifting and shifting stake, checks cut point position (7 groups of personnel cut into 6 sections simultaneously), measures and by track lining quantitative character on spud pile position, track lining stake every 5m mono-place, track lifting stake every 10m mono-place.
Block the previous day, utilize sleeper head and track jack track switch to be lifted, penetrate slide rail as shown in Figure 3 with jigger adjustment trouble row with both wired parallel, fall trouble and arrange, make slide rail coaster stress.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, when making track switch traversing, overall wire row is controlled, on slide rail, every 50cm does a displacement observation point, in advance timber wedge 35 is fixed on connecting sliding rail 36 according to the traversing amount of track switch, as the shutdown device in the traversing process of track switch simultaneously.
After block point is assigned, as shown in Figure 4, connecting back to streamline personnel utilizes clamp 22 to be connected on existing line 23 ready return wire 21, and return wire clamp junction point polishes in advance, ensures that return wire electric current is unobstructed.Return wire starts follow-up dismounting operation after installing.
Sleeper, rail manually proceed by after having cleared up and take off quarrel, the clear quarrel degree of depth is as the criterion with the raw steel rail level 55cm that goes down, utilize ready-made observation stake in advance and aluminium alloy level to clear quarrel degree of depth measurement, process utilize white lime spread out the width that is cut clearly (both sides are respectively more than sleeper 30cm), forbid, in order to the time of saving causes the degree of depth of the clear end inadequate, to ultimately cause track switch and bulge phenomenon occurs.Confirming that the degree of depth, width are up to standard, be supported on railway roadbed by connecting sliding rail 36, then pass through clamping plate 34 and be connected fixing by slide rail 33 with connecting sliding rail 36, personnel remove and branch off exclusive side to carry out track switch traversing afterwards.
Must controlling transverse moving speed in the traversing process of track switch, often move 50cm, track switch global displacement amount and line style to be observed by technical staff, suitably adjust turnout linear and keep straight.
After track switch whole lateral moving puts in place, technical staff is every mono-some measurement (dipstick metering) of 10m, if having partial points not have traversing in place or traversing excessive, carry out local directed complete set according to measurement result, traversing error control in place is within 5cm.
After track switch is in place, jack-up track switch takes out slide rail, jigger, slowly fall track switch, track switch carries out coarse adjustment after falling, carry out envelope quarrel simultaneously, make track lining operation firm by ramming, utilize the soft small-sized tamping machine tool that pounds to make firm by ramming after ballast aggregate backfill, manually general orientation and twist irregularity are carried out levelling, meet big machine curing condition.
After turnout tamping car operation completes to exit track switch, ballast aggregate inside work business cleaning tongue and movable head frog, ensureing on slide plate and clear inside movable rail, electricity business carries out track switch interlock test, synchronize work business to switch closure, big support after physical dimension place not up to standard rectify and improve.
6, track switch is patrolled foster after opening
According to going slowly speed limit requirement after line clear, construction site is carried out circuit and patrols foster by the enough personnel of outfit in a little that go slowly, track switch is patrolled after supporting end, jeopardizes the situation of traffic safety as seriously transfinited without discovery gauge, level, direction etc., handles safe handing-over according to relevant regulations.
Claims (1)
- The big number of 1.P60-1/42 has tiny fragments of stone, coal, etc. high-speed switch both wired slotting paving construction methods, it is characterised in that carry out as follows:A, assembled position are chosenSelecting the assembled ground as traversing track switch, the plot, existing trajectory side of pre-inserted track switch, place meets track switch integral assembling requirement, field apparatus is moved by place in time that be unsatisfactory for condition and changes；B, switch assembly platform are set upAssembly platform selects the line track closed on, or utilizes old sleeper and square steel to set up behind smooth assembled ground, and assembly platform whole height difference is less than 5cm；C, track switch integral assemblingOverall pre-splicing track switch on assembly platform, track switch is completed the trouble debugging of laggard trade, is welded by the joint within track switch after qualified；Then carry out the track switch adjusted checking and and examination before upper track；Traversing slotting causeway trouble in d, block pointBefore paving point is inserted in block, sleeper head and track jack is utilized track switch to be 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 stress, jigger uses the sub-stop of timber wedge being fixed on slide rail, carries out trouble row anti-slip；The slotting paving point of block takes back streamline personnel and ready return wire utilizes clamp connect in orbit after assigning；Return wire starts follow-up dismounting operation after installing；Manually proceed by after sleeper, rail have been cleared up and take off quarrel, take off after quarrel terminates, connecting sliding rail is supported on railway roadbed, then passes through clamping plate bolt and slide rail is connected with connecting sliding rail fixing, carry out track switch afterwards traversing；The traversing process of track switch controls transverse moving speed slowly move forward, often move 50cm, track switch global displacement amount and line style are observed, suitably adjust turnout linear and keep straight；After track switch whole lateral moving puts in place, observation is carried out at traversing control point according to accomplishing fluently in advance on slide rail, has seen whether that partial points does not have traversing in place or traversing excessive, adjusts track switch lateral attitude according to the control point accomplished fluently in advance, traversing in place fall trouble row before, error control is within 3cm；Track switch traversing in place after, jack-up track switch take out slide rail, jigger, slowly fall track switch, track switch carries out coarse adjustment after falling, carrying out Feng Chayang road, on-the-spot saw rail connects joint before and after track switch simultaneously, utilizes turnout tamping Complete working unit to carry out track switch maintenance and opens condition to satisfied；E, track switch are patrolled foster after openingTrack switch carries out 24h after opening and patrols foster, and slow speed-raising is to designing speed per hour；Described slide rail and connecting sliding rail are provided with 2 ‰ gradients；In order to control the displacement in the traversing process of track switch, when making track switch traversing, overall wire row is controlled, on slide rail, every 50cm does a lateral displacement observation station, is fixed on connecting sliding rail by timber wedge in advance according to the traversing amount of track switch, as the shutdown device in the traversing process of track switch simultaneously；The rail end of described track switch and cutting is reserved with 6-8mm rail gap；In described step d, the clear quarrel degree of depth is as the criterion with former rail foot surface down 55cm, and clear quarrel width is that both sides are respectively as the criterion more than sleeper 30cm；Described step d block is first made switches track-lifting and shifting stake, is checked cut point position before inserting paving point, is divided into multistage cutting, measures and by track lining quantitative character on spud pile position, track lining stake every 5m mono-place, track lifting stake every 10m mono-place.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN103669132A CN103669132A (en) | 2014-03-26 |
| CN103669132B true CN103669132B (en) | 2016-07-06 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111041909B (en) * | 2019-12-13 | 2021-08-31 | 中国铁建高新装备股份有限公司 | Ballast turnout inserting and laying construction method |
| CN112695576B (en) * | 2020-10-15 | 2022-08-23 | 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 |
Citations (2)
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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 |
| CN102535276A (en) * | 2011-12-01 | 2012-07-04 | 孙晓伟 | Integrally-moving device for railway turnout junctions |
-
2013
- 2013-12-20 CN CN201310713718.0A patent/CN103669132B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102535276A (en) * | 2011-12-01 | 2012-07-04 | 孙晓伟 | Integrally-moving device for railway turnout junctions |
Non-Patent Citations (2)
| Title |
|---|
| SC325型60kg/m钢轨12号单开道岔换铺工艺;边绍曾;《石家庄铁道学院学报》;20060331;第19卷(第1期);参见第128页第5段，129页第3节 * |
| 道速铁路大号码道岔的几种铺设方法;孙学彤;《铁道标准设计》;20011031;第21卷(第10期);第18-19页 * |
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