CN107700280B - Existing double railway lines line position reconstructing method - Google Patents
Existing double railway lines line position reconstructing method Download PDFInfo
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- CN107700280B CN107700280B CN201710846990.4A CN201710846990A CN107700280B CN 107700280 B CN107700280 B CN 107700280B CN 201710846990 A CN201710846990 A CN 201710846990A CN 107700280 B CN107700280 B CN 107700280B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Abstract
The present invention relates to existing double railway lines line position reconstructing methods, after field data acquisition track centre and track clearance position data using broken line, curve carry out it is whole it is positive by the way of the whole positive calculation processing unit of constituent curve, determine that left lineation opinion straight line, the right lineation opinion straight line of framework construct curve adjusting；Whole positive mileage is penetrated through using left line, right line penetrates through the systems such as whole positive mileage, right line projection's mileage, widen value with track lining amount, track clearance, line spacing and meet Specialty Design requirement, takes into account design element threshold values, work business account element is that principle determines left and right line curve element；Existing double railway lines mathematical theory middle line is constituted, realizes the reconstruct of existing double railway lines line position.The present invention solves existing railway survey and design, construction and operation and conserves problem existing for aspect, maintenance department is engaged in extensive reference and reference value for the existing railways repetition measurement data processing such as high-speed railway, inter-city passenger rail, urban track traffic and unit in charge of construction, railway and ground ironworker.
Description
Technical field
The invention belongs to existing railway reconstruction exploration, design, construction and work business maintenance and repair technology fields, and in particular to
A kind of existing double railway lines line position reconstructing method.
Background technique
It requires to control net progress track laying using CPIII in " reconstructed railway Code for engineering surveying ", and does not have in standardizing
It relates to control with CPIII and nets matched existing lineation opinion Coordinate of central line acquisition methods.
At present in existing railway survey and design and work progress, measurement unit still gets used to conventional reconnaissance mode, i.e.,
Mileage measures+shift out stake+coordinate system under the whole positive measurement pattern of simple curve；Unit in charge of construction using shift out stake and line spacing as
Construction information.There are existing railway line positions that irregular, mileage measures that precision is low, measures mileage sits with theoretical for traditional measurement pattern
Mark mismatches, song looks into the problems such as drift angle and shift out stake angle are inconsistent, the construction line-putting is inconvenient, leads to existing railway survey and design
Middle line theoretical coordinate can not be provided, can not achieve the purpose constructed according to coordinate method.During existing railway is runed for a long time, rail
Road inherently shifts with respect to design position, and the existing two-wire reconfiguration technique of railway is complicated, and influence factor is more.It is standardized from meeting
It is required that setting out, need to study existing double railway lines line position reconfiguration technique method.
In recent years, have been brought to completion is open to traffic a large amount of newly built railways (such as high-speed railway, inter-city passenger rail, subway), these are novel
Railway is generally double track railway, and as the service time promotes, external environment condition changes, these railways in the future may be without Faville
Original design position is protected, implementing reconstruct to existing double railway lines line position is a kind of inexorable trend.
To previous general fast railway, to construct existing railway survey information management platform, realize to railway structure along the line,
Installations and facilities position carries out accurate positionin and operation maintenance management, also needs research existing double railway lines line position reconfiguration technique
Method.
Summary of the invention
The object of the present invention is to provide a kind of existing double railway lines line position reconstructing method, realize existing double railway lines according to
Coordinate method is constructed, and achievees the purpose that controlling net using CPIII carries out track laying.
The technical scheme adopted by the invention is as follows:
Existing double railway lines line position reconstructing method, it is characterised in that:
The following steps are included:
Acquire existing railway track centerline, structures track clearance position data, carried out by broken line, curve it is whole just
The whole positive calculation processing line element of mode constituent curve；
It is met the requirements, is taken into account and work business drift angle based on left line measuring point lateral deviation limits value, track clearance, orbital forcing
The consistent condition of machine account information determines left lineation opinion straight line；
It is right based on left and right line parallel condition, left and right line line spacing, right line measuring point lateral deviation limits value, track clearance framework
Lineation opinion straight line；
It is constant with both ends straight line, guarantee that drift angle is unique, straight line and the consistent principle construction curve adjusting of Curve Matching；
Whole positive mileage, the multiple mileage systems of right line projection's mileage are penetrated through using mileage, the whole positive mileage of left line perforation, right line is measured
System, right line projection's mileage system use field operation chain rupture mode；
Widen value with track lining amount, track clearance, line spacing and meet Specialty Design requirement, takes into account the valve of setting design element
Value, work business account element are that principle determines left and right line curve element；
The mathematical theory middle line of existing double railway lines is constituted, realizes the reconstruct of existing double railway lines line position.
Specifically includes the following steps:
Step 1: the acquisition of existing double railway lines field data:
(1) existing double railway lines establish CPI, CPII control net, and traditional shift out stake is replaced using CPI, CPII；CPI,
The three-dimensional coordinate (K, X, Y, 3H) that operational railway center and track clearance control point are measured on the control point CPII or pass point, meets
Both wired design was online, control both wired middle line line positions and restores the needs of rail mileage；
(2) existing double railway lines track centre coordinate acquisition is realized by following approach: GPS RTK technology, total station, survey
Measure robot, electronic level, track detection car, vehicle-mounted LIDAR system, inertial navigation relative orbit somascope；
Step 2: the selection of existing double railway lines straight line:
(1) GPS RTK technology, total station, robot measurement, electronic level, track detection car, vehicle-mounted LIDAR system are called
Three-dimensional coordinate (K, X, Y, 3H) data that a variety of measurement methods of system, inertial navigation relative orbit somascope obtain, are wanted according to design specialist
The lateral deviation asked allows limits value, track clearance design value, carries out least square fitting linear optimal, select lateral deviation and
The satisfactory left lineation opinion straight line terminus of track clearance；
(2) according to customized broken line standard (4 '), two kinds of broken line, curve line elements will be completely divided into automatically；And fitting is selected
Measuring point is worked as on the theoretical line side selected, and reorganizes data file, as unit of single line element, complete completely left and right line it is existing in
Line measurement data shunts, and as the input file of curve adjusting system, meets the needs for railway mass data processing of growing up；
Step 3: existing double railway lines curve adjusting calculation processing:
Using broken line, curve carry out it is whole it is positive by the way of the whole positive calculation processing system of constituent curve, it is constant with both ends straight line,
Guarantee that drift angle is unique, straight line and the consistent principle construction curve adjusting of Curve Matching are added with track lining amount, track clearance, line spacing
Width values are met the requirements, and meeting design specialist specification is principle；It is left according to the whole positive optimization of whole just → right line of left line → adjusting and optimizing
The whole process flow just optimized of line → right line determines the whole positive element of left line, right line, is formed in the mathematical theory of existing double railway lines
Line；Line traffic control stake achievement in the mathematical theory of left and right line, mileage corresponding relationship achievement is not only provided separately, but also right line is provided
The normal direction corresponding relationship of chain rupture table, left line measuring point and right line solves the problems, such as to measure docking for mileage and theoretical mileage, realizes existing
The one-to-one relationship of double track railway middle line theory mileage, coordinate；
Step 4: existing double railway lines design interface data generate:
Existing double railway lines design interface data are separately operable by 2 single line processing modes, and right line uses through chainage system
System；Based on both wired mathematical theory middle line, the horizontal nonoculture of middle stake obtained using measurement of the level or other means is source number
According to the corresponding relationship achievement of mileage and theoretical mileage being measured using the measuring point that whole positive calculation processing obtains, using naturalization mileage method
Measuring point data naturalization is carried out to theoretical mileage and its elevation, the level for obtaining both wired design middle lines is single；In theoretical midline, theory
The horizontal single performance data of journey, theoretical coordinate, middle line collectively constitutes design interface into diagram data.
In step 2 (1), measurement data rough error, track clearance inspection are embedded in, it is opposite using neighbouring measuring point lateral deviation
Difference value judgement checks measurement data rough error and is rejected, horizontal based on measuring point by least square fitting digital simulation straight line
It meets the requirements, also to take into account and the work business consistent item of drift angle machine account information to deviation limits value, track clearance, orbital forcing
Part, while needing to consider broken line length factor；Lead-in spacing actual value, the processing being mutually connected simultaneously using left line, right line
Mode is the existing line theoretical midline of the right line of condition System Based on Real-time Architecture based on left and right line, optimizes to fitting a straight line in parallel, is determined horizontal
To the satisfactory right lineation opinion straight line terminus of deviation and track clearance；It is 5cm, building limit that default value, which is arranged, in lateral deviation
Boundary's default value is the designed distance for controlling position famous dictum opinion middle line.
In step 2 (2), when both wired straight line is not straight, meeting orbital forcing and lateral deviation limits value, building
Under the premise of limit requires, it is divided into broken line and is handled, straight line, broken line standard choice should use customized standard (dog-ear
Value 4 ') it is used as threshold values, when dog-ear value is less than 4 ' when broken line processing, work as curve processing, broken line length when dog-ear value is greater than 4 '
300 meters should not be shorter than；Both wired alignment unit was by straight line, broken line, circular curve, four kinds of easement curve basic alignment unit groups
It closes；All fronts data " are broken the whole up into parts ", by broken line, curve alignment unit type, with straight line be public overlapping mode, will
Left and right line is split into single processing unit data, measures that long in time limit, mileage is continuous in conjunction with both cable datas, cannot be once complete
The characteristics of portion's processing completion, realizes that segmentation, connecting is handled by stages, meets railway of growing up using terminal characteristic mnemonics is calculated
The needs of mass data processing.
In step 3, curve adjusting, which is calculated, calculates measuring point theory mileage by the normal direction approach coincidence method unrelated with measuring point mileage
And the theoretical midline coordinate and track lining amount of measuring point；Reasonable curve adjusting construction method is selected, mathematical theory middle line meter is improved
Model, measuring point corresponding relationship calculation method etc. are calculated, the relevant information of route design specialist is included in, the threshold values of design element is set,
Including between curve track lining amount limits value, design speed per hour selection, most short circular curve, intermediate straight line length limitation value, drift angle fetch bit, line
Away from judging and check measurement data rough error using neighbouring measuring point track lining amount relative difference variant and rejected；By building limit
Boundary checks insertion, controls track lining amount and track clearance, provides lateral deviation and track clearance meets design specialist specification
It is required that the whole positive element of left line；Right line uses two mileage systems: right line penetrates through whole positive mileage system, right line projection's mileage system
System；Right line projection's mileage system uses field operation chain rupture mode, is arranged at the left line at big mileage end or the position HZ of right line；Curve
It is whole that just also using calculating, terminal characteristic mnemonics realization segmentation, connecting is handled by stages.
It is integer according to mileage is measured in step 4, theoretical mileage and the not far feature in integer theory mileage interval, reason
By mileage=whole positive mileage, mileage naturalization is implemented to measuring point, is designed and is accustomed to existing railway by point position attribute, interpolation integer
It is horizontal single to form theoretical mileage for the elevation of theoretical mileage and interpolation the integer mileage；Plane is generated by design software format, indulges and breaks
Face interface data file, utilizes design software direct mapping；It converts cumbersome both wired survey and design to and new line design side
Formula is identical, realizes both upper figures of wired middle line and skiagraph design automation.
The invention has the following advantages that
Existing double railway lines line proposed by the present invention position reconfiguration technique method, i.e., according to existing new survey technique, new method,
Based on the control point CPI, CPII or pass point in field data acquisition existing railway orbit centre coordinate (K, X, Y, 3H), according to measurement and
Specialty Design code requirement and the data processing technique of innovation (left and right line linkage processing) carry out existing double railway lines line position weight
Structure obtains mathematical theory middle line, provides the one-to-one relationship of theoretical mileage and theoretical coordinate, theoretical midline, the theory of output
Horizontal single, the right line chain rupture table of mileage, theoretical coordinate, middle line, left and right line corresponding relationship outcome table, reconstruct line line spacing outcome table etc.
Performance data collectively constitutes design data, and provides design input interface data, reaches design automation, realizes that existing railway is sat
The construction of mark method achievees the purpose that controlling net using CPIII carries out track laying.
The present invention can well solve existing double railway lines survey and design, construction and operation and conserve hardly possible existing for aspect
Topic, for the existing railways repetition measurement data processing such as high-speed railway, inter-city passenger rail, urban track traffic and unit in charge of construction, railway
And ground ironworker is engaged in maintenance department with extensive reference and reference value.The present invention, can after the verifying of a large amount of engineering projects
To widely popularize in existing double railway lines project, application prospect will be very extensive, and the economic and social benefit of generation is very huge
Greatly.Existing double railway lines line proposed by the present invention position reconfiguration technique method, which can be used as, formulates in the future or revises survey of existing railway specification
When reference frame, to both wired exploration means and exploration process change have important directive significance.
Detailed description of the invention
Fig. 1 is existing double railway lines line position reconfiguration technique method work flow diagram.
Fig. 2 is that existing double railway lines straight line selects system-computed flow chart.
Fig. 3 is existing double railway lines curve adjusting calculation processing system-computed flow chart.
Fig. 4 is existing double railway lines design interface data generation system calculation flow chart.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
Existing double railway lines line of the present invention position reconstructing method, based on GPS RTK technology, total station, measurement machine
The advanced measuring instruments such as people, electronic level, track detection car, vehicle-mounted LIDAR system, inertial navigation relative orbit somascope and measurement skill
Art, operation mode that is perfect, improving existing both wired exploration, from instrument and equipment hardware, field operation operation technique method, data processing
Theoretical system etc. further investigation, form existing double railway lines from field data automatic collection to survey and design, then to applying
Work setting-out, work are engaged in maintenance complete set solution, develop matched data processing software, realization theory mileage with
The one-to-one relationship of theoretical coordinate, and design data input interface is provided, reach design automation, realizes existing double railway lines
It constructs according to coordinate method, achievees the purpose that controlling net using CPIII carries out track laying.
The reconstructing method includes field operation exploration and interior industry handles two parts, and field operation exploration is based on existing new survey technique
(GPS RTK technology, total station, robot measurement, electronic level, track detection car, vehicle-mounted LIDAR system, inertial navigation relative orbit
Somascope), provide existing double railway lines orbit centre, structures track clearance position (K, X, Y, 3H) coordinate.At interior industry
The orbit centre coordinate provided based on field operation exploration is provided and carries out the reconstruct of existing double railway lines line position, including straight line selects system number
According to processing method, curve adjusting calculation processing system data processing method, design interface data generation system data processing method
Etc. the work of several aspects.Existing double railway lines line position reconfiguration technique method work flow diagram is shown in Fig. 1.
One, field operation exploration process and data processing method:
Existing railway establishes CPI, CPII control net, and traditional shift out stake is replaced using CPI, CPII, controls in CPI, CPII
Existing railway orbit centre coordinate is measured on system point or pass point, can satisfy the upper figure needs of both wired design specialists, it can
It controls both wired middle line line positions and restores rail mileage.Implementing the exploration of existing railway field operation mainly includes horizontal control survey, height
The contents such as process control measurement, orbit centre measurement of coordinates, rail level center stake leveling.
Orbit centre measurement of coordinates uses existing new technology (GPS RTK technology, total station, robot measurement, electronic leveler
Instrument, track detection car, vehicle-mounted LIDAR system, inertial navigation relative orbit somascope), it obtains orbit centre three-dimensional coordinate (K, X, Y, 3H)
Achievement information reaches the target that existing double railway lines survey and design processing system is adapted to new survey technique development.
Two, data processing process and method:
Three-dimensional information (K, X, Y, the 3H) data obtained using field operation, study the determination method of existing lineation opinion straight line with
Principle；Completely existing center line survey data distribution mode；Track clearance embedded technology；Line traffic control in the existing line number theory of two-wire
Architecting method, the existing line number theory middle line acquisition methods of two-wire and principle (curve adjusting calculating), the measuring point of stake measure mileage
With the corresponding relationship calculation of theoretical mileage；Two-wire mileage system, chain rupture set-up mode；Take into account line spacing widen, track lining amount,
Track clearance inspection method；Left and right line relativeness calculation method；Two-wire design interface data etc..Solve existing two-wire middle line
The one-to-one correspondence problem of theoretical mileage and theoretical coordinate.It realizes exploration, design treatment automation, reaches existing two-wire using coordinate
Method construction solves to carry out this problem of track laying using CPIII.
1, existing double railway lines straight line selects system data processing method:
The calculation process of existing double railway lines straight line selection system is shown in Fig. 2.
The system is capable of calling GPS RTK coordinate method, track detection car system, inertial navigation relative trolley somascope, vehicle-mounted LIDAR system
(K, X, Y, 3H) data that the measurement methods such as system obtain allow limits value according to the lateral deviation that design specialist requires, consider line
Spacing, left and right line link processing simultaneously, after least square fitting digital simulation straight line, are limited based on measuring point lateral deviation
Value, orbital forcing element (broken line dog-ear) are met the requirements, and are taken into account and the consistent condition of work business drift angle machine account information, consideration broken line
Length factor, and check whether track clearance meets the requirements, least square fitting linear optimal is carried out, lateral deviation is selected, builds
Build the satisfactory left and right lineation opinion straight line terminus of limit.
System will completely be divided into two kinds of broken line, curve line elements according to customized broken line standard (4 ').And selection will be fitted
Measuring point is worked as in theoretical line side start, end, with theoretical line side for public overlap joint, is unit by line element, reorganizes data file,
It completes completely existing middle line (left line, right line) measurement data to shunt, as the input file of curve adjusting system, meets iron of growing up
The needs of road mass data processing.
2, existing double railway lines curve adjusting calculation processing system data processing method:
Whole positive calculating is carried out using the alignment unit data (curve, broken line) after shunting, data calculation flow chart is shown in Fig. 3.
This method not only can use rail heart coordinate, but also can use outer rail coordinate；Fitting theory straight line terminus is received
Enter the existing line theoretical midline control stake of measurement data file framework, realizes that song is looked into drift angle and matched unanimously with straight line drift angle；Whole positive meter
The relevant information being included in route design specialist is calculated, threshold values (such as curve track lining amount limits value, design speed per hour of design element are set
Selection, most short circular curve, intermediate straight line length limitation value, drift angle fetch bit, line spacing, track clearance design value etc.), it can be realized and dial
Road amount meets the requirements, the reasonable target of track clearance, and provides the whole positive element for meeting design specialist code requirement, is formed existing
The left line number theory middle line of line；Measuring point theory mileage, measuring point are calculated by unrelated with measuring point mileage normal direction approach coincidence method
Theoretical midline coordinate and track lining amount.
When the whole positive calculating of right line, line same interface processing in left and right is whole just as a result, carry out whole positive inspection to right line according to left line,
Take into account work business account curve element, should track lining amount meet the requirements, track clearance it is reasonable, also to carry out line spacing inspection, make line
Spacing widens value and meets code requirement, this is one very important link of curve adjusting.
Curve adjusting solves the problems, such as to measure docking for mileage and theoretical mileage, realizes middle line theory mileage, coordinate one by one
Corresponding relationship.Broken line and curve continuous processing together, for mileage using HZ as tie point, guarantee measuring point track lining amount is accurate, mileage without
Seam linking.
3, existing double railway lines design interface data generation system data processing method
Design interface data generation system is to utilize whole positive calculation processing based on both wired mathematical theory middle line
The corresponding relationship achievement of measuring point and theoretical position, theoretical midline control stake achievement, the horizontal nonoculture of middle stake obtained with the measurement of the level
It is calculated for source data, is respectively calculated by left and right line, design interface data calculation flow chart is shown in Fig. 4:
When generating design interface data, using the measuring point that whole positive computing system is handled measure mileage and theoretical mileage (=
Whole positive mileage) corresponding relationship achievement, for meet design specialist customary way (integer mileage) requirement, according to measure mileage be it is whole
Number, theoretical mileage (broken number) and the not far feature in integer theory mileage interval, using naturalization mileage method (between 2 measuring points,
On the basis of its theoretical mileage, interpolation goes out the theoretical mileage of integer (20m, 50m) of point-to-point transmission and its elevation carries out measuring point data and returns
Change, the level for obtaining both wired design middle lines is single, forms design interface into diagram data.
From the above, the present invention is capable of providing both wired design middle line theoretical coordinate, solves in both wired middle line theories
The one-to-one correspondence problem of journey and theoretical coordinate.It realizes exploration, design treatment automation, reaches existing two-wire and applied using coordinate method
Work meets the needs of unit in charge of construction carries out track laying using CPIII.
Three, existing double railway lines line position reconfiguration technique methods engineering is verified:
Using meet in analogue data meet outside the whole positive software of proof method, simple curve meet outside proof method, CAD proof method,
The various ways such as proof method and Practical Project survey and design practical application are calculated by hand, and skill is reconstructed to existing double railway lines line position
The each calculating link of art method has carried out comprehensive engineering test and verifying:
1, the selection of straight line is fitted comparison conclusion: 10 straight lines of verifying, coordinate is poor within 0.5mm,
Straight line fitting achievement is reliable.
2, straight line lateral deviation achievement comparison conclusion: 10 straight lines, whole straight line measuring point lateral deviations are complete
Unanimously, only 0.1mm, fitting a straight line side and lateral deviation achievement are reliable for maximum transversal deviation.
3, centerline data shunts verifying conclusion: curve distributes 4 JD, consistent with actual conditions.
4, be open to traffic mileage proof list (calculate compare by hand): through chainage verifying is calculated directly with controlling a theoretical coordinate
Line segment mileage；It is to calculate be open to traffic by hand according to calculated curve length with whole positive curve element achievement using conventional program
Mileage, the mileage calculated with system are verified, and are penetrated through theoretical mileage and are verified conclusion: the perforation theory mileage and hand that system calculates
Work calculates that mileage is poor within 1mm, and caused by mainly fetch bit influences, the theoretical mileage achievement of system-computed is reliable.
5, curve adjusting track lining amount achievement is verified: in system and four curve timber piles of the whole positive software calculating of commercial simple curve
Journey is consistent, and there is only fetch bit difference；Track lining amount is poor within 0.5mm, and the whole positive achievement of system is reliable.
6, meet verifying (CAD diagram amount compares) outside curve corresponding relationship (mileage, track lining amount): being sat using whole positive control stake
Mark (starting point, intersection point, terminal) and curve element generative theory middle line CAD lines are arrived by all measuring point plottings into figure as measuring point
The vertical line of theoretical midline measures measuring point to the distance of intersection point as figure amount track lining amount (lateral deviation) by hand, measures intersection point by hand
Distance to nearest hundred-metre post calculates measuring point CAD diagram amount mileage, checkpoint selected in each alignment unit respectively (straight line, it is slow 1,
Circular curve, slow 2, straight line).Verification result shows: the track lining amount and the poor maximum 0.6mm of CAD diagram amount track lining amount of system-computed；
CAD diagram amount mileage (design software reckoning) and system calculate theoretical mileage deviation maximum 5.0mm, in gradually increasing trend, mainly
It is caused by software calculating fetch bit (curve drift angle) difference is gradually accumulated.
7, design interface data verification is compared.When verifying, merge horizontal single and measuring point corresponding relationship by hand and in EXCEL
3D/2D/1D point is distinguished in sequence, by adjacent measuring point mileage relationship, interpolation integer theory mileage and its elevation, forms manual levelling
The theoretical level digital ratio of Dan Bingyu system output is relatively verified.Verify conclusion: the theoretical level list of system-computed and by hand arrangement water
Flat list achievement is completely the same, and the horizontal single achievement method for sorting of Systems Theory is perfect, and correct to various treatment on special problems, achievement can
It leans on.
Verify conclusion: existing double railway lines line position reconfiguration technique method calculating achievement is reliable, and track lining meter is calculated accurately really, program
Meet outside all right.The mathematical model that theory calculates is perfect, reasonable, and outcomes are reliable, shows in terms of practice good
Engineering applicability, have popularization and application condition.
The present invention thoroughly changes traditional existing railway survey and design mode, by a series of data processing technique of innovations,
Existing double railway lines line position is reconstructed, the one-to-one relationship of theoretical mileage and theoretical coordinate is provided, in the theory of generation
The performance datas such as line, theoretical mileage, theoretical coordinate, the horizontal list of middle line collectively constitute design data, and provide design data input
Interface reaches design automation, realizes the construction of existing railway coordinate method, reaches and controls net progress track laying using CPIII
Purpose.
Existing double railway lines line proposed by the present invention position reconfiguration technique method is applicable not only to conventional railway exploration project, together
Sample is also applied for the existing railways repetition measurement data processing such as high-speed railway, inter-city passenger rail, urban track traffic, to unit in charge of construction, iron
There are very useful reference value in road and ground ironworker business maintenance department, and application prospect is very wide.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (5)
1. existing double railway lines line position reconstructing method, it is characterised in that:
The following steps are included:
The data for acquiring existing railway track centerline, structures track clearance position, whole positive side is carried out by broken line, curve
The whole positive calculation processing line element of formula constituent curve；
It is met the requirements, is taken into account and work business drift angle account based on left line measuring point lateral deviation limits value, track clearance, orbital forcing
The consistent condition of information determines left lineation opinion straight line；
Based on left and right line parallel condition, left and right line line spacing, right line measuring point lateral deviation limits value, the right lineation of track clearance framework
By straight line；
It is constant with both ends straight line, guarantee that drift angle is unique, straight line and the consistent principle construction curve adjusting of Curve Matching；
Whole positive mileage, the right multiple mileage systems of line projection's mileage are penetrated through using mileage, the whole positive mileage of left line perforation, right line is measured,
Right line projection's mileage system uses field operation chain rupture mode；
Widen value with track lining amount, track clearance, line spacing and meet Specialty Design requirement, takes into account threshold values, the work of setting design element
Business account element is that principle determines left and right line curve element；
The mathematical theory middle line of existing double railway lines is constituted, realizes the reconstruct of existing double railway lines line position；
Specifically includes the following steps:
Step 1: the acquisition of existing double railway lines field data:
(1) existing double railway lines establish CPI, CPII control net, and traditional shift out stake is replaced using CPI, CPII；In CPI, CPII
The three-dimensional coordinate (K, X, Y, 3H) that operational railway center and track clearance control point are measured on control point or pass point, meets existing
Line designs needs that are online, controlling both wired middle line line positions and recovery rail mileage；
(2) existing double railway lines track centre coordinate acquisition is realized by following approach: GPS RTK technology, total station, measuring machine
Device people, electronic level, track detection car, vehicle-mounted LIDAR system, inertial navigation relative orbit somascope；
Step 2: the selection of existing double railway lines straight line:
(1) it calls GPS RTK technology, total station, robot measurement, electronic level, track detection car, vehicle-mounted LIDAR system, be used to
Lead three-dimensional coordinate (K, X, Y, 3H) data that a variety of measurement methods of relative orbit somascope obtain, the cross required according to design specialist
Allow limits value, track clearance design value to deviation, carry out least square fitting linear optimal, selects lateral deviation and building limit
The satisfactory left lineation opinion straight line terminus in boundary；
(2) according to customized 4 ' standard of broken line dog-ear, two kinds of broken line, curve line elements will be completely divided into automatically；And fitting is selected
Theoretical line side work as measuring point, reorganize data file, as unit of single line element, complete the completely left and right existing middle line of line
Measurement data shunts, and as the input file of curve adjusting system, meets the needs for railway mass data processing of growing up；
Step 3: existing double railway lines curve adjusting calculation processing:
Using broken line, curve carry out it is whole it is positive by the way of the whole positive calculation processing system of constituent curve, it is constant with both ends straight line, guarantee
Drift angle is unique, and straight line and the consistent principle construction curve adjusting of Curve Matching widen value with track lining amount, track clearance, line spacing
It meets the requirements, and meeting design specialist specification is principle；According to the whole positive left line of optimization → adjusting and optimizing of whole just → right line of left line →
The whole process flow just optimized of right line determines the whole positive element of left line, right line, forms the mathematical theory middle line of existing double railway lines；
Line traffic control stake achievement in the mathematical theory of left and right line, mileage corresponding relationship achievement is not only provided separately, but also right line chain rupture is provided
The normal direction corresponding relationship of table, left line measuring point and right line solves the problems, such as to measure docking for mileage and theoretical mileage, realizes existing two-wire
The one-to-one relationship of railway axis theory mileage, coordinate；
Step 4: existing double railway lines design interface data generate:
Existing double railway lines design interface data are separately operable by 2 single line processing modes, and right line uses through chainage system；With
Both based on wired mathematical theory middle line, the horizontal nonoculture of middle stake obtained using measurement of the level or other means is source data, benefit
The corresponding relationship achievement that mileage and theoretical mileage are measured with the measuring point that whole positive calculation processing obtains, using naturalization mileage method to theory
Mileage and its elevation carry out measuring point data naturalization, and the level for obtaining both wired design middle lines is single；Theoretical midline, theoretical mileage, reason
Design interface is collectively constituted into diagram data by coordinate, the horizontal single performance data of middle line.
2. existing double railway lines line according to claim 1 position reconstructing method, it is characterised in that:
In step 2 (1), measurement data rough error, track clearance inspection are embedded in, using neighbouring measuring point lateral deviation relative different
Value judgement checks measurement data rough error and is rejected, laterally inclined based on measuring point by least square fitting digital simulation straight line
Poor limits value, track clearance, orbital forcing are met the requirements, also to take into account with work be engaged in the consistent condition of drift angle machine account information, together
When need to consider broken line length factor；Lead-in spacing actual value, the processing mode being mutually connected simultaneously using left line, right line,
In parallel it is the existing line theoretical midline of the right line of condition System Based on Real-time Architecture based on left and right line, fitting a straight line is optimized, determines laterally inclined
Difference and the satisfactory right lineation opinion straight line terminus of track clearance；It is 5cm that default value, which is arranged, in lateral deviation, and track clearance lacks
Province's value is to control the designed distance of position famous dictum opinion middle line.
3. existing double railway lines line according to claim 1 position reconstructing method, it is characterised in that:
In step 2 (2), when both wired straight line is not straight, meeting orbital forcing and lateral deviation limits value, track clearance
It under the premise of it is required that, is divided into broken line and is handled, straight line, broken line standard choice should use customized 4 ' conduct of broken line dog-ear
Threshold values works as curve processing when dog-ear value is greater than 4 ', broken line length should not be shorter than when dog-ear value is less than 4 ' when broken line processing
300 meters；Both wired alignment unit was combined by straight line, broken line, circular curve, four kinds of easement curve basic alignment units；It will be completely
Data " break the whole up into parts ", by broken line, curve alignment unit type, with straight line be public overlapping mode, left and right line is divided equally
Flow into single processing unit data, in conjunction with both cable datas measure it is long in time limit, mileage is continuous, once cannot all handle completion
Feature realizes that segmentation, connecting is handled by stages, meets railway mass data processing of growing up using terminal characteristic mnemonics is calculated
Needs.
4. existing double railway lines line according to claim 1 position reconstructing method, it is characterised in that:
In step 3, curve adjusting calculate by unrelated with measuring point mileage normal direction approach coincidence method calculate measuring point theory mileage and
The theoretical midline coordinate and track lining amount of measuring point；Reasonable curve adjusting construction method is selected, line computation mould in mathematical theory is improved
Type, measuring point corresponding relationship calculation method etc., are included in the relevant information of route design specialist, and the threshold values of design element is arranged, including
Curve track lining amount limits value, design speed per hour selection, most short circular curve, intermediate straight line length limitation value, drift angle fetch bit, line spacing, are adopted
Measurement data rough error is judged and checked with neighbouring measuring point track lining amount relative difference variant and rejected；Track clearance is checked
Insertion, controls track lining amount and track clearance, provides lateral deviation and track clearance meets design specialist code requirement
The left whole positive element of line；Right line uses two mileage systems: right line penetrates through whole positive mileage system, right line projection's mileage system；Right line
It projects mileage system and uses field operation chain rupture mode, be arranged at the left line at big mileage end or the position HZ of right line；Curve adjusting
Realize that segmentation, connecting is handled by stages using terminal characteristic mnemonics is calculated.
5. existing double railway lines line according to claim 1 position reconstructing method, it is characterised in that:
It is integer according to mileage is measured in step 4, theoretical mileage and the not far feature in integer theory mileage interval, in theoretical
Journey=whole positive mileage is implemented mileage naturalization to measuring point, is designed and be accustomed to existing railway by point position attribute, and interpolation integer is theoretical
It is horizontal single to form theoretical mileage for the elevation of mileage and interpolation the integer mileage；Plane is generated by design software format, vertical section connects
Mouth data file, utilizes design software direct mapping；It converts cumbersome both wired survey and design to and new line design method phase
Together, both upper figures of wired middle line and skiagraph design automation are realized.
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| CN108661185A (en) * | 2018-04-02 | 2018-10-16 | 中国十七冶集团有限公司 | A kind of Tall Buildings space cantilever closes up the construction method of measurement |
| CN110232226B (en) * | 2019-05-28 | 2021-09-21 | 北京交通大学 | Planar line shape reconstruction design method for lines on railway bridge |
| CN113177042B (en) * | 2021-05-12 | 2023-03-31 | 中移智行网络科技有限公司 | Map track line processing method and device |
| CN114580084B (en) * | 2022-03-11 | 2024-04-30 | 中铁第一勘察设计院集团有限公司 | Fitting method for planar linear visualization reconstruction of existing rail transit line |
| CN115027507B (en) * | 2022-06-07 | 2024-05-28 | 中铁二院工程集团有限责任公司 | Railway line structure additionally arranged in boundary of existing railway land and train running method |
| CN116029036B (en) * | 2023-02-14 | 2023-11-03 | 中国铁道科学研究院集团有限公司 | Planar coordinate measurement data lap joint method and system for operation common speed railway |
| CN116933355B (en) * | 2023-05-22 | 2024-02-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method and device for identifying rough difference points in railway line measurement data |
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