CN104264546B - A kind of fine adjusting method of the double-block type ballastless track construction section of track - Google Patents
A kind of fine adjusting method of the double-block type ballastless track construction section of track Download PDFInfo
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- CN104264546B CN104264546B CN201410457730.4A CN201410457730A CN104264546B CN 104264546 B CN104264546 B CN 104264546B CN 201410457730 A CN201410457730 A CN 201410457730A CN 104264546 B CN104264546 B CN 104264546B
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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
- E01B29/02—Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings
Abstract
The invention discloses the fine adjusting method of a kind of double-block type ballastless track construction section of track, this is the section of track construction method for carrying out accurate adjustment in a kind of CRTSI type double-block type ballastless track framework method work progress.This fine adjusting method mainly comprises section of track framework coarse positioning and section of track framework accurate adjustment two step.Step one is divided into disjunction mark point setting-out and section of track framework coarse positioning; Step 2 is divided into startup rail detection system, the superelevation accurate adjustment of section of track framework and the horizontal accurate adjustment of section of track framework.This fine adjusting method makes section of track quick position in accurate adjustment process, reduces complicated adjustment operation, time saving and energy saving, effectively improves the speed of accurate adjustment, improves the efficiency of construction.
Description
Technical field
The present invention relates to a kind of passenger transportation special line track construction method for carrying out accurate adjustment, refer in particular to the fine adjusting method of a kind of double-block type ballastless track construction section of track.
Background technology
Current non-fragment orbit Line for Passenger Transportation adopts CRTSI type double-block type ballastless track more, and design speed reaches 350km/h, and the safety that bullet train runs, ride comfort and comfortableness must have good track geometry status to support.Track accurate adjustment is the key link that trajectory accuracy controls, according to rail detection system survey data and ride comfort Con trolling index, calculate orbit adjusting amount, rail linear is optimized, Wheel/rail Match can be made good, improve the safety of train operation, stationarity and ride quality.But engineering practice shows, often need repeatedly repeatedly to adjust just can meet the demands.In order to improve construction quality and the efficiency of track accurate adjustment, be necessary the fine adjusting method studying a kind of double-block type ballastless track construction section of track.
Summary of the invention
The object of this invention is to provide the fine adjusting method of a kind of double-block type ballastless track construction section of track, this is the construction method for carrying out accurate adjustment of a kind of convenient operation, the precision reliable CRTSI type double-block type ballastless track framework method construction road bed board section of track, section of track quick position in accurate adjustment process can be made with this fine adjusting method, reduce complicated adjustment operation, time saving and energy saving, effectively improve the speed of accurate adjustment, improve the efficiency of construction.
For achieving the above object, the present invention is by the following technical solutions: a kind of fine adjusting method of the double-block type ballastless track framework method construction section of track, comprises the following steps: observation preparation, the setting-out of loft plate disjunction mark point, section of track framework coarse positioning, the accurate adjustment of section of track framework, circuit first and second measurement and repetition survey of existing rail way.
Described section of track framework coarse positioning step is: (1) section of track framework is located: take line midline as benchmark, utilizing sash weight to locate makes section of track framework center line overlap with line midline, its deviation is no more than 10mm, adjacent section of track framework longitudinal seam width control system is at 4mm ~ 8mm, and seam crossing is with locked with splice bar link; (2) section of track framework superelevation and horizontal adjustment: with disjunction mark point for benchmark, disjunction mark chi is utilized to position section of track framework superelevation and horizontal level, rise or decline section of track frame supported screw rod adjustment superelevation, screw or loosen lateral support bar adjustment direction, it is standard that section of track framework superelevation and horizontal adjustment and theoretical value deviation are no more than 5mm;
Described section of track framework fine tuning step is, (1) rail detection system is started: total powerstation adopts the method for Free Station to carry out establishing station, Setting Station of Total Station Instrument position should be selected at distance accurate adjustment section 7 ~ 10m place, total powerstation is parallel with line direction with track detection car prism line, if website should adopt with need the section of adjustment center mileage for benchmark is to each 2 pairs of CPIII points of size mileage, if stand, precision will reach X≤0.7mm, Y≤0.7mm, H≤0.7mm, direction≤2 ", connection track detection car and total powerstation make track detection car receive total powerstation wireless data.Superelevation calibration is carried out to track detection car, checks circuit design lines type in track detection car, guarantee that volume the car design line style and accurate adjustment section design line style and be consistent, (2) section of track framework superelevation accurate adjustment: utilize rail detection system to obtain section of track framework adjustment pillar place ultra high data, adjust section of track framework is super according to each adjustment pillar place ultra high data, when adjacent each pillar place superelevation amount and different design value mutual deviation are greater than 2mm, prop up intercolumniation when need consider adjustment to influence each other, first should adjust the pillar adjustment amount large with different design value is with different design value 1/2, then the pillar adjustment amount that adjustment is little with different design value is with different design value 100%, repeat to adjust each pillar, until each pillar superelevation amount and different design value are less than 0.5mm, (3) the horizontal accurate adjustment of section of track framework: first loosen each lateral support bar, rail detection system is utilized to obtain section of track framework adjustment pillar place bearing data, according to each adjustment pillar place bearing data, section of track framework superelevation is adjusted, section of track framework screws right side lateral support bar time to the left, section of track framework screws left side lateral support bar time to the right, when adjacent each pillar prescription vector is greater than 2mm with different design value mutual deviation, need consider that adjustment each intercolumniation influences each other, first should adjust the pillar adjustment amount little with different design value is with different design value 1/2, then the pillar adjustment amount that adjustment is large with different design value is with different design value 100%, repeat to adjust each pillar, until each pillar side vector and different design value are less than 0.5mm, screw all the other lateral support bars and guarantee that in concreting process, section of track framework is not subjected to displacement.
Advantage of the present invention: this fine adjusting method makes section of track quick position in accurate adjustment process, reduces complicated adjustment operation, time saving and energy saving, effectively improves the speed of accurate adjustment, improves the efficiency of construction.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further details:
Fig. 1 is Setting Station of Total Station Instrument position of the present invention and operation mileage relation key diagram.
Fig. 2 is that lateral support bar horizontal angle of the present invention is less than 10 ° of section of track frame mounting schematic diagrames.
Fig. 3 is that lateral support bar horizontal angle of the present invention is greater than 10 ° of section of track frame mounting schematic diagrames.
Fig. 4 is process chart of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail: as shown in Figure 4, the fine adjusting method of this double-block type ballastless track construction section of track comprises the following steps: observation preparation, the setting-out of loft plate disjunction mark point, section of track framework coarse positioning, the accurate adjustment of section of track framework, circuit first and second measurement and repetition survey of existing rail way.
Embodiment one, this CRTSI type double-block type ballastless track section of track framework 6 transverse support bar 5 horizontal angle is less than 10 ° of (roadbed or bridge section) fine adjusting methods as shown in Figure 1, Figure 2, and concrete operation step is as follows:
Step one, total powerstation 3 establishes station; Adopt with automatically sighting and the total powerstation 3 of wireless outgoi8ng data function, precision is angle-measurement accuracy :≤± 1 ", range measurement accuracy :≤± 1mm+2ppm.If the mode of station is Free Station; If website should apart from accurate adjustment section 7 ~ 10m and total powerstation 3 and track detection car prism line and line direction keeping parallelism; If stand, backsight point should adopt the CPIII control point 1 within the scope of distance total powerstation 5m ~ 130m, if CPIII control point 1 is less than 4 to establishing station within the scope of this, if time open total powerstation 3 automatically sight function with improve establish station precision, if station precision to reach X≤0.7mm, Y≤0.7mm, H≤0.7mm, direction≤2 ".
Step 2, starts track detection car 2; Track detection car 2 is assembled and has been placed on track, track detection car 2 superelevation sensor is calibrated, check design line style in track detection car 2 whether to design line style with accurate adjustment section and conform to, open track detection car 2 and total powerstation 3 data cube computation, confirm that track detection car 2 normally can receive total powerstation 3 wireless data.
Step 3, the accurate adjustment of section of track framework 6 superelevation, initial adjustment utilizes rail detection system to obtain section of track framework adjustment pillar place ultra high data, when corresponding pillar superelevation amount and different design value are less than 2mm, obtain section of track framework 6 according to rail detection system and adjust pillar place ultra high data, utilize vertical supporting screw rod 4 to adjust by pair of posts; When pillar superelevation amount and different design value are greater than 2mm and have regionality, utilize jack that section of track framework 6 in this region is adjusted to unified numerical value, screw according to pillar superelevation amount and different design value or loosen vertical supporting screw rod 4 to design height, withdrawing from jack; When adjacent each pillar place superelevation amount and different design value mutual deviation are greater than 2mm, propping up intercolumniation when examining adjustment influences each other larger, first the pillar large with different design value should be adjusted, adjustment amount is with different design value 1/2, then the pillar that adjustment is little with different design value, adjustment amount is with different design value 100%, and after initial adjustment, the precision at each strong point place will reach≤± 1mm.Accurate adjustment, after superelevation discrepancy is less than 1mm, each adjustment pillar superelevation change sharply reduces impacts such as adjacent adjustment pillars, this stage is for certain two specific section of track frameworks, accurate adjustment order is 1 → 3 → 1 → 2 → 3 → 4 → 5 → 3 → 4 → 6 → 4 → 5 → 6, and the precision that superelevation adjusts each strong point place will reach ± 0.5mm.
Step 4, section of track framework 6 direction accurate adjustment, first each transverse support bar 5 is loosened, utilize rail detection system to obtain section of track framework 6 and adjust pillar place bearing data, according to each adjustment pillar place bearing data, section of track framework 6 direction is adjusted, section of track framework 6 screws right side transverse support bar 5 time to the left, section of track framework 6 screws left side transverse support bar 5 time to the right, when adjacent whole pillar prescription vector is greater than 2mm with different design value mutual deviation, prop up intercolumniation when need consider adjustment to influence each other, first should adjust the pillar adjustment amount large with different design value is with different design value 1/2, then the pillar that adjustment is little with different design value, adjustment amount is with different design value 100%, repeat to adjust each pillar, until each pillar side vector and different design value are less than 1mm, accurate adjustment, after direction discrepancy is less than 1mm, the change of each adjustment pillar direction sharply reduces impacts such as adjacent adjustment pillars, this stage is for certain two specific section of track frameworks 6, accurate adjustment order is 1 → 3 → 1 → 2 → 3 → 4 → 5 → 3 → 4 → 6 → 4 → 5 → 6, and the precision that direction adjusts each strong point place will reach ± 0.5mm.
Step 5, data acquisition, each strong point place superelevation and direction discrepancy carry out data acquisition when being less than 0.5mm, data acquisition will gather by sleeper 7 one by one, in gatherer process, as found, sleeper 7 superelevation discrepancy is greater than 1mm or direction discrepancy is greater than 0.5mm, will finely tune neighbouring adjustment pillar, until sleeper 7 superelevation discrepancy meets ± 1mm, direction discrepancy meets ± 0.5mm, is fixed the section of track framework 6 met the demands by rail to lock simultaneously.
Step 6, along degree of taking over, last survey station has adjusted, a upper survey station CPIII control point 1 should be overlappingly used to be no less than when second station establishes station 1 right, under the prerequisite of establishing station precision up to standard, the absolute deviation direction that two survey stations are measured with measuring point is not more than 0.5mm, and superelevation is not more than 2mm.If deviation is greater than above data should analyze reason, repeats to establish to stand erectly to meeting two survey stations measurements and can carry out accurate adjustment operation with the absolute deviation required precision of measuring point.An overlapping upper survey station adjusted 8 ~ 10 sleepers 7 are needed during second station accurate adjustment.The superelevation caused owing to establishing control point 1, station difference and the deviation of directivity, need determine along integrating with pillow 7 number according to departure, along integrating with pillow 7 numbers=departure ÷ 0.2mm, the adjustment amount namely along the pillow 7 that integrates with is that initial value is successively decreased with 0.2mm with departure, is about till zero until absolute deviation.Adjust two survey station lap segment data maximum differences should meet: superelevation ± 1.5mm, direction ± 0.8mm.
Embodiment two, this CRTSI type double-block type ballastless track section of track framework 6 transverse support bar 8 horizontal angle is greater than 10 ° of (tunnel construction sections) fine adjusting methods as such as Fig. 1, Fig. 3, under concrete operation step enters:
Step one, total powerstation 3 establishes station; Adopt with automatically sighting and wireless outgoi8ng data function, precision is angle-measurement accuracy :≤± 1 ", range measurement accuracy :≤± 1mm+2ppm total powerstation.If the mode of station is Free Station; If website should apart from accurate adjustment section 7 ~ 10m and total powerstation 3 and track detection car prism line and line direction keeping parallelism; If stand, backsight point should adopt the CPIII control point 1 within the scope of distance total powerstation 5m ~ 130m, if CPIII control point 1 is less than 4 to establishing station within the scope of this, if time open total powerstation 3 automatically sight function with improve establish station precision, if station precision to reach X≤0.7mm, Y≤0.7mm, H≤0.7mm, direction≤2 ".
Step 2, starts track detection car 2; Track detection car 2 is assembled and has been placed on track, track detection car 2 superelevation sensor is calibrated, check design line style in track detection car whether to design line style with accurate adjustment section and conform to, open track detection car 2 and total powerstation 3 data cube computation, confirm that track detection car 2 normally can receive total powerstation 3 wireless data.
Step 3, section of track framework 6 direction accurate adjustment, first each transverse support bar 8 is loosened, utilize rail detection system to obtain section of track framework 6 and adjust pillar place bearing data, according to each adjustment pillar place bearing data, section of track framework 6 is adjusted, because transverse support bar 8 horizontal angle is greater than 10 °, the superelevation amount of adjustment point can be affected in the adjustment process of direction, to consider when carrying out superelevation adjustment that direction adjustment influences each other between the impact of superelevation and adjacent adjustment point, two jack need be adopted during accurate adjustment one section of section of track framework 6 to be risen (rising 3 adjustment points) makes vertical adjustment screw rod depart from ground as an adjustment section, for adjacent two adjustment sections, accurate adjustment is carried out according to 1 → 3 → 1 → 2 → 3 → 4 → 5 → 3 → 4 → 6 → 4 → 5 → 6 orders, direction accurate adjustment precision controlling is within 0.5mm.
Step 4, the accurate adjustment of section of track framework 6 superelevation, initial adjustment utilizes rail detection system to obtain section of track framework 6 and adjusts pillar place ultra high data, when corresponding pillar superelevation amount and different design value are less than 2mm, obtain section of track framework 6 according to rail detection system and adjust pillar place ultra high data, utilize vertical supporting screw rod 4 to adjust by pair of posts; When pillar superelevation amount and different design value are greater than 2mm and have regionality, utilize jack that section of track framework 6 in this region is adjusted to unified numerical value, screw according to pillar superelevation amount and different design value or loosen vertical supporting screw rod 4 to design height, withdrawing from jack; When adjacent whole pillar place superelevation amount and different design value mutual deviation are greater than 2mm, propping up intercolumniation when examining adjustment influences each other larger, first the pillar large with different design value should be adjusted, adjustment amount is with different design value 1/2, then the pillar that adjustment is little with different design value, adjustment amount is with different design value 100%, and after initial adjustment, the precision at each strong point place will reach≤± 1mm.Accurate adjustment, after superelevation discrepancy is less than 1mm, each adjustment pillar superelevation change sharply reduces impacts such as adjacent adjustment pillars, this stage is for certain two specific section of track frameworks 6, accurate adjustment order is 1 → 3 → 1 → 2 → 3 → 4 → 5 → 3 → 4 → 6 → 4 → 5 → 6, and the precision that superelevation adjusts each strong point place will reach ± 0.5mm.
Step 5, data acquisition, each strong point place superelevation and direction discrepancy carry out data acquisition when being less than 0.5mm, data acquisition will gather by sleeper 7 one by one, in gatherer process, as found, sleeper 7 superelevation discrepancy is greater than 1mm or direction discrepancy is greater than 0.5mm, to finely tune neighbouring adjustment pillar, until sleeper 7 superelevation discrepancy meet ± 1mm direction discrepancy meet ± 0.5mm, the section of track framework 6 met the demands is fixed to lock by rail simultaneously.
Step 6, along degree of taking over, last survey station has adjusted, a upper survey station CPIII control point 1 should be overlappingly used to be no less than when second station establishes station 1 right, under the prerequisite of establishing station precision up to standard, the absolute deviation direction that two survey stations are measured with measuring point is not more than 0.5mm, and superelevation is not more than 2mm.If deviation is greater than above data should analyze reason, repeats to establish to stand erectly to meeting two survey stations measurements and can carry out accurate adjustment operation with the absolute deviation required precision of measuring point.An overlapping upper survey station adjusted 8 ~ 10 sleepers 7 are needed during second station accurate adjustment.The superelevation caused owing to establishing control point 1, station difference and the deviation of directivity, need determine along integrating with pillow 7 number according to departure, along integrating with pillow number=departure ÷ 0.2mm, the adjustment amount namely along the pillow 7 that integrates with is that initial value is successively decreased with 0.2mm with departure, is about till zero until absolute deviation.Adjust two survey station lap segment data maximum differences should meet: superelevation ± 1.5mm, direction ± 0.8mm.
Claims (1)
1. a fine adjusting method for the double-block type ballastless track construction section of track, comprises the following steps: observation preparation, the setting-out of loft plate disjunction mark point, section of track framework coarse positioning, the accurate adjustment of section of track framework, circuit first and second measurement and repetition survey of existing rail way, is characterized in that:
Described section of track framework coarse positioning step is, (1) section of track framework location: take line midline as benchmark, utilizing sash weight to locate makes section of track framework center line overlap with line midline, its deviation is no more than 10mm, adjacent section of track framework longitudinal seam width control system is at 4mm ~ 8mm, and seam crossing is with locked with splice bar link; (2) section of track framework superelevation and horizontal adjustment: with disjunction mark point for benchmark, disjunction mark chi is utilized to position section of track framework superelevation and horizontal level, rise or decline section of track framework vertical supporting screw rod adjustment superelevation, screw or loosen transverse support bar adjustment direction, it is standard that section of track framework superelevation and horizontal adjustment and theoretical value deviation are no more than 5mm;
Described section of track framework fine tuning step is, (1) rail detection system is started: total powerstation adopts the method for Free Station to carry out establishing station, Setting Station of Total Station Instrument position should be selected at distance accurate adjustment section 7 ~ 10m place, total powerstation is parallel with line direction with track detection car prism line, if website should adopt with need the section of adjustment center mileage for benchmark is to each 2 pairs of CPIII points of size mileage, if stand, precision will reach X≤0.7mm, Y≤0.7mm, H≤0.7mm, direction≤2 ", connection track detection car and total powerstation make track detection car receive total powerstation wireless data, superelevation calibration is carried out to track detection car, check circuit design lines type in track detection car, guarantee that volume the car design line style and accurate adjustment section design line style and be consistent, (2) section of track framework superelevation accurate adjustment: utilize rail detection system to obtain section of track framework adjustment pillar place ultra high data, adjust section of track framework is super according to each adjustment pillar place ultra high data, when adjacent each pillar place superelevation amount and different design value mutual deviation are greater than 2mm, prop up intercolumniation when need consider adjustment to influence each other, first should adjust the pillar adjustment amount large with different design value is with different design value 1/2, then the pillar adjustment amount that adjustment is little with different design value is with different design value 100%, repeat to adjust each pillar, until each pillar superelevation amount and different design value are less than 0.5mm, (3) the horizontal accurate adjustment of section of track framework: first loosen each transverse support bar, rail detection system is utilized to obtain section of track framework adjustment pillar place bearing data, according to each adjustment pillar place bearing data, section of track framework superelevation is adjusted, section of track framework screws right side transverse support bar time to the left, section of track framework screws left side transverse support bar time to the right, when adjacent each pillar prescription vector is greater than 2mm with different design value mutual deviation, need consider that adjustment each intercolumniation influences each other, first should adjust the pillar adjustment amount large with different design value is with different design value 1/2, then the pillar adjustment amount that adjustment is little with different design value is with different design value 100%, repeat to adjust each pillar, until each pillar side vector and different design value are less than 0.5mm, screw all the other transverse support bar and guarantee that in concreting process, section of track framework is not subjected to displacement.
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| CN201410457730.4A CN104264546B (en) | 2014-09-11 | 2014-09-11 | A kind of fine adjusting method of the double-block type ballastless track construction section of track |
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| CN104775340B (en) * | 2015-03-24 | 2016-09-14 | 中交一航局第四工程有限公司 | Block type ballastless track two-wire construction technology is flexibly supported in tunnel |
| CN105484115B (en) * | 2015-11-23 | 2018-02-13 | 中铁十一局集团有限公司 | The quality determining method and system of a kind of section of track |
| CN105421170A (en) * | 2015-12-09 | 2016-03-23 | 中铁建大桥工程局集团第五工程有限公司 | Ballastless track construction method based on high-integration track panel frame |
| CN113932768A (en) * | 2021-09-01 | 2022-01-14 | 中铁四院集团工程建设有限责任公司 | Measuring method for railway tunnel section to be measured |
| CN115162079A (en) * | 2022-07-17 | 2022-10-11 | 中交第二航务工程局有限公司 | Wind shield for fine adjustment of ballastless track in windy weather and fine adjustment method of ballastless track |
| CN115491938A (en) * | 2022-09-19 | 2022-12-20 | 中铁大桥局集团第一工程有限公司 | Fine adjustment method for ballastless track on long-connection large-span railway steel bridge |
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| DE10005677C2 (en) * | 2000-02-07 | 2003-08-14 | Felix Kunzewitsch | Method and device for building routes and dams |
| CN101812819B (en) * | 2010-04-28 | 2012-03-28 | 中铁二十局集团有限公司 | Whole construction process for double block type ballastless track |
| CN202170455U (en) * | 2011-03-28 | 2012-03-21 | 成都普罗米新科技有限责任公司 | Fixing frame for track section |
| CN203212957U (en) * | 2013-03-21 | 2013-09-25 | 廊坊合力天一机械设备有限公司 | Accurate adjustment device for double-block type roadbed bent frame of ballastless track |
| CN103643603A (en) * | 2013-12-13 | 2014-03-19 | 中铁十五局集团有限公司 | Ballastless track construction method with sleepers arranged firstly and rail panel assembled later |
| CN103952951A (en) * | 2014-04-02 | 2014-07-30 | 北京建鼎国铁工程设计有限公司 | Process for high speed railway ballastless track construction |
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