CN116379926A - Trackless measurement method and system for contact net of circular shield tunnel and electronic equipment - Google Patents
Trackless measurement method and system for contact net of circular shield tunnel and electronic equipment Download PDFInfo
- Publication number
- CN116379926A CN116379926A CN202310630371.7A CN202310630371A CN116379926A CN 116379926 A CN116379926 A CN 116379926A CN 202310630371 A CN202310630371 A CN 202310630371A CN 116379926 A CN116379926 A CN 116379926A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- circular
- line
- measurement
- circular tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000691 measurement method Methods 0.000 title claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 113
- 238000010276 construction Methods 0.000 claims abstract description 55
- 238000013461 design Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000013507 mapping Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 239000013256 coordination polymer Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention discloses a trackless measurement method, a trackless measurement system and electronic equipment for a contact net of a circular shield tunnel, and relates to the technical field of tunnel construction measurement, wherein the trackless measurement method, the trackless measurement system and the electronic equipment comprise the steps of obtaining basic information of the circular tunnel; wherein, the basic information of the circular tunnel includes: the construction type of the circular tunnel, the tunnel center line of the circular tunnel and the construction information of the circular tunnel track; acquiring the design section information of the circular tunnel according to the basic information of the circular tunnel; and constructing a measurement reference position according to the design section information of the circular tunnel, and utilizing the design relation between the measurement reference position and the tunnel center line of the circular tunnel and the construction information of the circular tunnel track. According to the method and the device, the suspension center point of the overhead contact system in the tunnel is calculated and designed according to the position relation of each design key point of the circular tunnel track, the overhead contact system is not influenced by the foundation pile control network CP III data, the overall applicability is strong, the accuracy is high, the measuring speed is high, and the technical problems in the prior art are effectively solved.
Description
Technical Field
The invention relates to the technical field of tunnel construction measurement, in particular to a method, a system and electronic equipment for measuring a circular shield tunnel contact net trackless.
Background
In conventional tram systems, the catenary consists of rails and cables. In order to ensure smooth and safe running of the trolley, the contact net must be installed in the correct position and height and the distance from the rail must also meet the prescribed standards. In addition, key parameters such as tension of grid lines, straight line and levelness of cables and the like need to be measured.
In order to effectively solve the problems of shortage of construction period, great influence on construction efficiency due to construction cross interference and the like in subway overhead line construction, trackless measurement construction is generally adopted, compared with rail construction, the construction period can be greatly reduced, and each professional cross construction interference is reduced, so that overhead line erection and rail laying are synchronously propelled. In this case, application of the trackless measurement technique becomes necessary. The common trackless measurement method mainly adopts a total station or rail simulation method for measurement, but adopts the total station or rail simulation method for measurement, is easily influenced by the CP III data of the foundation pile control network, and causes complicated measurement steps and slow overall engineering construction measurement progress.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a trackless measurement method, a trackless measurement system and electronic equipment for a contact net of a circular shield tunnel.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the first aspect of the invention provides a trackless measurement method of a circular shield tunnel catenary,
comprising the following steps:
acquiring basic information of a circular tunnel;
wherein, the basic information of the circular tunnel includes: the construction type of the circular tunnel, the tunnel center line of the circular tunnel and the construction information of the circular tunnel track;
acquiring the design section information of the circular tunnel according to the basic information of the circular tunnel;
constructing a measurement reference position according to the design section information of the circular tunnel, and determining a suspension center point of the overhead line system by utilizing the design relation between the measurement reference position and the tunnel center line of the circular tunnel and the construction information of the circular tunnel track;
and (5) punching and embedding the trackless overhead contact net according to the determined suspension center point of the contact net.
In a possible embodiment, the method for determining the suspension center point of the overhead line system includes:
determining that the construction type of the circular tunnel is single-hole single-line, and the construction section of the circular tunnel is a straight section;
acquiring the design section information of the linear section circular tunnel, and selecting a measurement reference position from the design section information of the linear section circular tunnel according to the design characteristics that the vertical tunnel center line of the linear section circular tunnel coincides with the vertical center line of the construction track;
leveling mapping is carried out on the measurement reference position according to the construction information of the circular tunnel track and the horizontal central line of the circular tunnel with the straight section, so as to obtain a measurement reference point;
connecting the measurement reference point with the measurement reference position to obtain a first datum line;
and according to the horizontal pull-out value between the first datum line and the central line of the linear section circular tunnel, the position movement of the measurement reference point is adjusted, and then the suspension central point of the linear section circular tunnel contact net is obtained.
In a possible embodiment, the method for obtaining a measurement control point includes:
laser mapping is used.
In a possible embodiment, the method for determining the suspension center point of the overhead line system includes:
determining that the construction type of the circular tunnel is single-hole single-line, and the construction section of the circular tunnel is a curve section;
acquiring design section information of a curve section circular tunnel, and acquiring a track line center line and a track pantograph center line according to track construction information of the curve section circular tunnel;
calculating and obtaining an offset value between the central line of the circular tunnel in the curve section and the central line of the track line according to the design section information of the circular tunnel in the curve section;
selecting a measurement reference position from the design section information of the circular tunnel in the curve section, and performing leveling mapping on the position of the measurement reference position according to the construction information of the circular tunnel track and the central line of the circular tunnel in the curve section to obtain a measurement reference point;
connecting the measurement reference point with the measurement reference position to obtain a second datum line, and calculating the distance between the measurement reference point and the line center line according to the track line center line;
calculating a value of the offset of the measurement reference point according to the offset value between the central line of the circular tunnel in the curve section and the central line of the track line and the distance between the measurement reference point and the central line of the line;
and adjusting the setting position of the measurement control point according to the offset value of the measurement control point to obtain the suspension center point of the circular tunnel catenary of the curve section.
In one possible embodiment, the tunnel center of the curve segment circular tunnel is on the pantograph center line.
In one possible embodiment, the method for calculating and obtaining the offset value between the tunnel center line of the circular tunnel with the curve section and the track line center line comprises the following steps:
the offset value of the tunnel center line of the circular tunnel and the track line center line arranged in the curve section isEThen:
(1)
In formula 1:B-the distance (mm) between the centre of the circular tunnel and the plane of the rail;
h-track ultra-high value (mm);
L-rail centre-to-centre spacing (mm).
In a possible embodiment, the method for calculating the offset value of the measurement contrast point includes:
let the distance between the measurement reference point and the line center line be C:
(2)
In formula 2: h, measuring the clearance height (mm) between the reference point and the steel rail connecting line;
h-track ultra high value (mm);
l-rail center-to-center spacing (mm);
then the offset value for the measured control point is Y according to equations 1 and 2:
(formula 3).
The second aspect of the present invention provides a trackless measurement system for a circular shield tunnel catenary, which adopts the trackless measurement method for a circular shield tunnel catenary according to any one of the first aspect, and the measurement system further includes:
the laser measuring device is used for being arranged on a measuring reference position to map a measuring point.
In a possible embodiment, the measurement system further comprises:
the laser measuring device adopts a contact net laser measuring instrument during trackless measurement.
A third aspect of the present invention provides an electronic device, comprising: one or more processors; a storage device having one or more programs stored thereon; when the one or more programs are executed by the one or more processors, the one or more processors implement a circular shield tunnel catenary trackless measurement method according to any one of the first aspects.
The beneficial effects of the invention are as follows:
according to the method and the device, the suspension center point of the overhead contact system in the tunnel is calculated and designed according to the position relation of each design key point of the circular tunnel track, the overhead contact system is not influenced by the foundation pile control network CP III data, the overall applicability is strong, the accuracy is high, the measuring speed is high, and the technical problems in the prior art are effectively solved. Has great popularization value.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a method for measuring a contact net trackless of a circular shield tunnel (a circular tunnel section with a straight section) provided in an embodiment of the invention;
fig. 2 is a schematic diagram of the overall structure of a method for measuring a circular shield tunnel catenary trackless measurement provided in the embodiment of the present invention (a catenary laser measuring instrument is used in a straight section);
fig. 3 is a schematic diagram of the overall structure of a method for measuring a contact net trackless of a circular shield tunnel (a circular tunnel section of a curve section) provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of the overall structure of a circular shield tunnel catenary trackless measurement method (a catenary laser measuring instrument is adopted in a curve section) provided in an embodiment of the invention.
The reference numerals in the drawings are:
1. track bed; 11. a pantograph center line;
2. a steel rail connecting line; 21. a line center line;
3. a tunnel centerline; 31. the center of the tunnel;
4. measuring a control site; 41. a first reference line; 42. measuring a control point; 43. suspending the center point; 431. a first laser emission line; 432. a contact net laser measuring instrument; 4321. leveling the air bubble; 44. a second reference line; 441. a second laser emission line.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Embodiment one: referring to fig. 1-4, in order to solve the technical problems in the prior art, the invention provides a trackless measurement method of a circular shield tunnel catenary, wherein the measurement method calculates and designs a suspension center point 43 of the catenary in a tunnel according to the position relation of each design key point of a circular tunnel track, is not influenced by foundation pile control network CP iii data, has strong overall applicability and high precision, and effectively solves the technical problems in the prior art. Has great popularization value.
Specifically, the first aspect of the invention provides a trackless measurement method for a circular shield tunnel catenary, which comprises the following steps:
acquiring basic information of a circular tunnel;
wherein, the basic information of the circular tunnel includes: the construction type of the circular tunnel, the tunnel center line 3 of the circular tunnel and the track construction information of the circular tunnel (including but not limited to a track bed 1 and a steel rail connecting line 2);
acquiring design section information of a circular tunnel (namely, the design information of the circular tunnel with the circular tunnel outline in the straight line section refers to tunnel outline diagrams in fig. 1 and 2) according to the basic information of the circular tunnel;
constructing a measurement reference position 4 according to the design section information of the circular tunnel, and determining a suspension center point 43 of the overhead line system by utilizing the design relation between the measurement reference position 4, a tunnel center line 3 of the circular tunnel and the construction information of the circular tunnel track;
and (4) punching, embedding and trackless erecting the overhead contact system according to the determined overhead contact system suspension center point 43.
In this embodiment, for ease of understanding, when the circular tunnel construction section is a straight section, the method for determining the overhead line system suspension center point 43 includes:
determining that the construction type of the circular tunnel is single-hole single-line, and the construction section of the circular tunnel is a straight section;
acquiring the design section information of the linear section circular tunnel, and selecting a measurement comparison position 4 from the design section information of the linear section circular tunnel according to the design characteristics that the vertical tunnel center line 3 of the linear section circular tunnel coincides with the vertical center line of the construction track;
performing leveling mapping on the position of the measurement reference position 4 according to the construction information of the circular tunnel track and the horizontal central line of the linear section circular tunnel (namely leveling is parallel to the horizontal central line of the linear section circular tunnel, the position of the measurement reference position 4 and the steel rail connecting line 2) to obtain a measurement reference point 42;
connecting the measurement reference point 42 with the measurement reference position 4 to obtain a first reference line 41;
and according to the horizontal pull-out value a between the first datum line 41 and the linear section circular tunnel central line 3, the position movement of the measurement reference point 42 is adjusted, and then the linear section circular tunnel contact net suspension central point 43 is obtained.
Referring to fig. 1 and 2, in the present embodiment, for ease of understanding, how to measure the suspension center point 43 of the catenary when the circular tunnel construction section is at a straight line section is exemplified herein as follows:
according to the tunnel design requirement, the circular tunnel is generally a single-hole single-line tunnel, the design requirement of the circular tunnel is that the vertical central line of the straight section tunnel coincides with the vertical central line of the track, at the moment, the trackless measurement can be carried out by adopting a contact net laser measuring instrument 432 (DJJ-7) at a measurement comparison position 4, and by utilizing the characteristic that the vertical central line of the circular tunnel coincides with the vertical central line of the track, the contact net laser measuring instrument 432 (DJJ-7) is transversely placed at the measurement comparison position 4 (preferably at the bottom of the tunnel profile in FIG. 2) in the section tunnel profile of the circular tunnel as shown in FIG. 1 and FIG. 2, firstly, the contact net laser measuring instrument 432 (DJJ-7) is leveled by utilizing a leveling bubble 4321, and the leveled contact net laser measuring instrument 432 (DJJ-7) is in parallel relation with the horizontal central line of the circular tunnel and two steel rails connecting lines 2. According to the laser beam irradiated by the catenary laser measuring instrument 432 (DJJ-7), the measuring contrast point 42 (laser point) is irradiated and positioned on the tunnel outline map, then the horizontal distance between the first laser emitting line 431 (namely the first datum line 41) and the tunnel center line 3 of the straight section circular tunnel (namely the pull-out value a) is calculated, then the erection position of the instrument head of the catenary laser measuring instrument 432 (DJJ-7) is regulated according to the pull-out value a, the position of the regulated laser point is the catenary suspension center point 43, and the measuring rod is used for marking the point. And (3) punching and pre-burying according to the positioning of the suspension points marked by measurement during construction. That is, in this embodiment, the method for obtaining the measurement reference point 42 includes: laser mapping is used. That is, in this embodiment, the measurement reference point 42 may be used as the measurement reference point 42 by erecting a laser measuring device at the measurement reference point 4, and performing laser irradiation on the tunnel top surface by the laser measuring device, and then adjusting the overhead line suspension center point 43 according to the setting position of the measurement reference point 42.
Referring to fig. 3 and 4, in this embodiment, for ease of understanding, when the circular tunnel construction section is a curved section, the method for determining the overhead line system suspension center point 43 includes:
determining that the construction type of the circular tunnel is single-hole single-line, and the construction section of the circular tunnel is a curve section;
obtaining design section information of a circular tunnel with a curve section (namely, the design information of the circular tunnel with the circular tunnel outline refers to tunnel outline diagrams in fig. 3 and 4), and obtaining a track line central line 21 and a track pantograph central line 11 according to track construction information of the circular tunnel with the curve section (including but not limited to a track bed 1 and a track connecting line 2);
calculating and obtaining an offset value between the tunnel center line 3 of the circular tunnel with the curve section and the track line center line 21 according to the design section information of the circular tunnel with the curve section; the center of the rail connecting line 2 is used as a starting point to vertically make a line to serve as a track line center line 21, and then an offset value between the curve section circular tunnel center line 3 and the track line center line 21 is obtained. The offset value is calculated according to the distance between the circle center 31 of the circular tunnel and the plane of the steel rail connecting line 2, the ultrahigh value of the track connecting line exceeding the horizontal plane and the center distance between the two steel rails (can be calculated according to the construction information of the tunnel track).
Selecting a measurement reference position 4 from the design section information of the circular tunnel in the curve section, and performing leveling mapping on the position of the measurement reference position 4 according to the construction information of the circular tunnel track and the central line 3 of the circular tunnel in the curve section to obtain a measurement reference point 42;
connecting the measurement reference point 42 with the measurement reference position 4 to obtain a second reference line 44, and calculating the distance between the measurement reference point 42 and the line center line 21 according to the track line center line 21, wherein the distance between the measurement reference point 42 and the line center line 21 can be calculated according to the clearance height between the measurement reference point 42 and the steel rail connecting line 2, the super high value of the track connecting line exceeding the horizontal plane and the center distance between two steel rails;
calculating a value to be offset of the measurement reference point 42 according to the offset value between the curve section circular tunnel center line 3 and the track line center line 21 and the distance between the measurement reference point 42 and the line center line 21;
and adjusting the setting position of the measurement control point 42 according to the offset value of the measurement control point 42 to obtain a suspension center point 43 of the circular tunnel catenary of the curve section.
In this embodiment, the tunnel center 31 of the curved section circular tunnel is located on the pantograph center line 11.
In one possible embodiment, the method of calculating an offset value between the curved segment circular tunnel centerline 3 and the track line centerline 21 comprises:
the offset value of the tunnel center line 3 of the circular tunnel arranged in the curve section and the track line center line 21 isE：
(1)
In formula 1:B-distance (mm) of the circle center 31 of the circular tunnel from the plane of the rail;
h-track ultra-high value (mm);
L-rail centre-to-centre spacing (mm).
In one possible embodiment, the method for calculating the offset value of the measurement reference point 42 includes:
let the distance between the measurement reference point 42 and the line center line 21 be C:
(A)2）
In formula 2: h—measuring the clearance height (mm) between the reference point 42 and the rail connection 2;
h-track ultra high value (mm);
l-rail center-to-center spacing (mm);
then the measured offset value for the control point 42 is Y according to equations 1 and 2:
(formula 3).
Referring to fig. 3 and 4, in the present embodiment, for ease of understanding, how to measure the suspension center point 43 of the catenary when the circular tunnel construction section is at a curved section is exemplified herein as follows:
referring to fig. 4, in the case that the circular shield tunnel is curved, the vertical line center line 21 of the rail connecting line 2 of the track design is not coincident with the tunnel center line 3 vertical to the circular tunnel due to the influence of the track super-high in the circular tunnel, and at this time, the position where the laser of the catenary laser measuring instrument 432 (DJJ-7) is positioned and the catenary hanging point have a certain offset value by adopting the above method, so that the parameters of the rail connecting line 2 and the track bed 1 need to be adjusted according to the basic parameters of the circular tunnel, specifically as follows:
obtaining an offset value E between a tunnel center line 3 of the curve section circular tunnel and a track line center line 21 (namely a vertical center line of a steel rail connecting line 2 on a track bed 1) according to design section information (specifically referring to a tunnel outline diagram in FIG. 4) of the curve section circular tunnel;
as shown in fig. 4, a contact net laser measuring instrument 432 (DJJ-7) is transversely placed at a measuring reference position 4 (preferably, the bottom in the tunnel profile in fig. 3) in the cross-section tunnel profile of the circular tunnel, firstly, the contact net laser measuring instrument 432 (DJJ-7) is leveled by using a leveling bubble 4321, a laser line irradiated by the contact net laser measuring instrument 432 (DJJ-7) is irradiated and positioned to a measuring reference point 42 (laser point) on the tunnel profile, then, a distance between a second laser transmitting line 441 (namely, a second reference line 44) and a track line central line 21 of the circular tunnel of the curve section is calculated according to the clearance between the measuring reference point 42 and the track line 2, the ultrahigh value of the track connecting line exceeding the horizontal plane, and the distance between the two track central lines, and the second laser transmitting line 441 (namely, the second reference line 44) is calculated, and a deviation value E between the track central line 3 of the circular tunnel and the track line central line 21 of the curve section is calculated according to the distance between the circle center 31 of the circular tunnel and the track connecting line 2 of the track, the ultrahigh value of the track connecting line exceeding the horizontal plane, and the two center distances of the center line of the track connecting line of the tunnel is calculated, and then the deviation value E between the second laser transmitting line 21 and the second laser transmitting line 21 is calculated according to the measured reference line central line 2. And adjusting the erection position of the instrument head of the catenary laser measuring instrument 432 (DJJ-7) according to the offset value, so that the position of the adjusted laser point is the catenary suspension center point 43, and marking the point by using a measuring rod. And (3) punching and pre-burying according to the positioning of the suspension points marked by measurement during construction. That is, in this embodiment, the method for obtaining the measurement reference point 42 includes: laser mapping is used. That is, in this embodiment, the measurement reference point 42 may be used as the measurement reference point 42 by erecting a laser measuring device at the measurement reference point 4, and performing laser irradiation on the tunnel top surface by the laser measuring device, and then adjusting the overhead line suspension center point 43 according to the setting position of the measurement reference point 42.
In addition, it should be noted that under the condition that the parameters of the overhead contact system are calculated under different rail superelevation conditions, the position of the catenary laser measuring instrument 432 (DJJ-7) is positioned by laser and the data size of the catenary suspension point offset value, and the suspension center point 43 required to be confirmed for catenary construction is determined through the offset value. Meanwhile, the circle center tunnel is in a curve superelevation section and is affected by lower tunnel clearance, in order to ensure that the vehicle meets design requirements in the curve section limit, a method that the line center line 21 deviates to the outer side of the tunnel center line 3 is adopted, and meanwhile, the circle center 31 of the tunnel is required to be ensured to be always on the pantograph center line 11.
In this embodiment, in order to further understand how to obtain the offset of the measurement corresponding point in the circular tunnel of the curve section by the above trackless measurement method, taking the track traffic line 6 two-phase overhead line engineering of a certain area as an example, the diameter of the circular shield tunnel is 5200mm, the distance B between the circle center 31 of the circular tunnel and the plane of the steel rail can be calculated to be 1860mm from the bottom of the tunnel to 740mm of the track surface of the common integral track bed; the center-to-center distance L of the steel rail is 1506mm; measuring the clearance height H between the control point 42 and the steel rail connecting line 2 to obtain 4600mm; the calculation results are shown in the following table 1:
table 1 circular tunnel curve sections different superhigh time offset values Y (mm)
| Sequence number | h | Pull-out value a | H | L | C | B | E | Y | Remarks |
| 1 | 10 | 0 | 4578 | 1506 | 31.8 | 1860 | 12.4 | 19.4 | |
| 2 | 20 | 0 | 4578 | 1506 | 63.6 | 1860 | 24.7 | 38.9 | |
| 3 | 30 | 0 | 4578 | 1506 | 95.4 | 1860 | 37.1 | 58.3 | |
| 4 | 40 | 0 | 4578 | 1506 | 127.2 | 1860 | 49.4 | 77.8 | |
| 5 | 50 | 0 | 4578 | 1506 | 159 | 1860 | 61.8 | 97.2 | |
| 6 | 60 | 0 | 4578 | 1506 | 190.8 | 1860 | 74.1 | 116.6 | |
| 7 | 70 | 0 | 4578 | 1506 | 222.5 | 1860 | 86.5 | 136.1 | |
| 8 | 80 | 0 | 4578 | 1506 | 254.3 | 1860 | 98.8 | 155.5 | |
| 9 | 90 | 0 | 4578 | 1506 | 286.1 | 1860 | 111.2 | 175 | |
| 10 | 100 | 0 | 4578 | 1506 | 317.9 | 1860 | 123.5 | 194.4 | |
| 11 | 110 | 0 | 4578 | 1506 | 349.7 | 1860 | 135.9 | 213.9 | |
| 12 | 120 | 0 | 4578 | 1506 | 383.3 | 1860 | 148.2 | 235.1 |
According to the calculated data result, the relation between the offset value Y and the ultrahigh h can be calculated as follows:
equation 4
It should be noted that, the pull-out value a is not considered in equation 4, and the pull-out value a should be taken into consideration in the actual calculation.
The second aspect of the present invention provides a trackless measurement system for a circular shield tunnel catenary, which adopts the trackless measurement method for a circular shield tunnel catenary according to any one of the first aspect, and the measurement system further includes:
the laser measuring device is used for being arranged at a measuring point for mapping the reference position 4.
In this embodiment, the measurement system further includes: contact net laser measuring instrument 432 in trackless measurement. Preferably, the catenary laser gauge 432 is model number (DJJ-7) when making trackless measurements.
A third aspect of the present invention provides an electronic device, comprising: one or more processors; a storage device having one or more programs stored thereon; when the one or more programs are executed by the one or more processors, the one or more processors implement a circular shield tunnel catenary trackless measurement method according to any one of the first aspects
In some embodiments, the measurement system may communicate using any currently known or future developed network protocol, such as HTTP (Hyper Text Transfer Protocol ), and may be interconnected with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the internet (e.g., the internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed networks.
The computer readable medium may be contained in the electronic device; or may exist alone without being incorporated into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to.
Computer program code for carrying out operations for some embodiments of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), and the like. A fourth aspect of the present invention provides a computer-readable medium on which a computer program is stored, wherein the program, when executed by a processor, implements a circular shield tunnel catenary trackless measurement method according to the first aspect.
A fifth aspect of the invention provides a computer program product comprising a computer program which, when executed by a processor, implements a circular shield tunnel catenary trackless measurement method according to the first aspect.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (10)
1. The trackless measurement method of the circular shield tunnel contact net is characterized by comprising the following steps of:
acquiring basic information of a circular tunnel;
wherein, the basic information of the circular tunnel includes: the construction type of the circular tunnel, the tunnel center line of the circular tunnel and the construction information of the circular tunnel track;
acquiring the design section information of the circular tunnel according to the basic information of the circular tunnel;
constructing a measurement reference position according to the design section information of the circular tunnel, and determining a suspension center point of the overhead line system by utilizing the design relation between the measurement reference position and the tunnel center line of the circular tunnel and the construction information of the circular tunnel track;
and (5) punching and embedding the trackless overhead contact net according to the determined suspension center point of the contact net.
2. The method for trackless measurement of a circular shield tunnel catenary according to claim 1, wherein the method for determining a catenary suspension center point comprises:
determining that the construction type of the circular tunnel is single-hole single-line, and the construction section of the circular tunnel is a straight section;
acquiring the design section information of the linear section circular tunnel, and selecting a measurement reference position from the design section information of the linear section circular tunnel according to the design characteristics that the vertical tunnel center line of the linear section circular tunnel coincides with the vertical center line of the construction track;
leveling mapping is carried out on the measurement reference position according to the construction information of the circular tunnel track and the horizontal central line of the circular tunnel with the straight section, so as to obtain a measurement reference point;
connecting the measurement reference point with the measurement reference position to obtain a first datum line;
and according to the horizontal pull-out value between the first datum line and the central line of the linear section circular tunnel, the position movement of the measurement reference point is adjusted, and then the suspension central point of the linear section circular tunnel contact net is obtained.
3. The method for trackless measurement of a circular shield tunnel catenary according to claim 2, wherein the method for obtaining the measurement reference point comprises:
laser mapping is used.
4. The method for trackless measurement of a circular shield tunnel catenary according to claim 1, wherein the method for determining a catenary suspension center point comprises:
determining that the construction type of the circular tunnel is single-hole single-line, and the construction section of the circular tunnel is a curve section;
acquiring design section information of a curve section circular tunnel, and acquiring a track line center line and a track pantograph center line according to track construction information of the curve section circular tunnel;
calculating and obtaining an offset value between the central line of the circular tunnel in the curve section and the central line of the track line according to the design section information of the circular tunnel in the curve section;
selecting a measurement reference position from the design section information of the circular tunnel in the curve section, and performing leveling mapping on the position of the measurement reference position according to the construction information of the circular tunnel track and the central line of the circular tunnel in the curve section to obtain a measurement reference point;
connecting the measurement reference point with the measurement reference position to obtain a second datum line, and calculating the distance between the measurement reference point and the line center line according to the track line center line;
calculating a value of the offset of the measurement reference point according to the offset value between the central line of the circular tunnel in the curve section and the central line of the track line and the distance between the measurement reference point and the central line of the line;
and adjusting the setting position of the measurement control point according to the offset value of the measurement control point to obtain the suspension center point of the circular tunnel catenary of the curve section.
5. The trackless measurement method of a circular shield tunnel catenary according to claim 4, wherein a tunnel center of the curve section circular tunnel is positioned on a pantograph center line.
6. The method for trackless measurement of a circular shield tunnel catenary according to claim 4 or 5, wherein the calculating the offset value between the tunnel centerline of the circular tunnel of the curve segment and the track line centerline comprises:
the offset value of the tunnel center line of the circular tunnel and the track line center line arranged in the curve section isEThen:
(1)
In formula 1:B-the distance (mm) between the centre of the circular tunnel and the plane of the rail;
h-track ultra-high value (mm);
L-rail centre-to-centre spacing (mm).
7. The method for trackless measurement of a circular shield tunnel catenary according to claim 6, wherein the method for calculating the offset value of the measurement reference point comprises:
let the distance between the measurement reference point and the line center line be C:
(2)
In formula 2: h, measuring the clearance height (mm) between the reference point and the steel rail connecting line;
h-track ultra high value (mm);
l-rail center-to-center spacing (mm);
then the offset value for the measured control point is Y according to equations 1 and 2:
(formula 3).
8. A circular shield tunnel catenary trackless measurement system, characterized in that a circular shield tunnel catenary trackless measurement method according to any one of claims 1-7 is used, the measurement system further comprising:
the laser measuring device is used for being arranged on a measuring reference position to map a measuring point.
9. The circular shield tunnel catenary trackless measurement system of claim 8, further comprising:
the laser measuring device adopts a contact net laser measuring instrument during trackless measurement.
10. An electronic device, comprising: one or more processors; a storage device having one or more programs stored thereon; when the one or more programs are executed by the one or more processors, the one or more processors implement a circular shield tunnel catenary trackless measurement method according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310630371.7A CN116379926B (en) | 2023-05-31 | 2023-05-31 | Trackless measurement method and system for contact net of circular shield tunnel and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310630371.7A CN116379926B (en) | 2023-05-31 | 2023-05-31 | Trackless measurement method and system for contact net of circular shield tunnel and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116379926A true CN116379926A (en) | 2023-07-04 |
| CN116379926B CN116379926B (en) | 2023-08-25 |
Family
ID=86966008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310630371.7A Active CN116379926B (en) | 2023-05-31 | 2023-05-31 | Trackless measurement method and system for contact net of circular shield tunnel and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116379926B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1176994A (en) * | 1967-04-10 | 1970-01-07 | Railway Transport Inst | Catenary Suspension for the Contact Wires of Electric Railways or the like |
| US5331745A (en) * | 1991-09-26 | 1994-07-26 | J. Muller Ag | Process and apparatus for surveying a railway track for any deviation from a track survey plan |
| US5617645A (en) * | 1995-05-02 | 1997-04-08 | William R. W. Wick | Non-contact precision measurement system |
| US5930904A (en) * | 1997-06-17 | 1999-08-03 | Mualem; Charles | Catenary system measurement apparatus and method |
| JP2006284406A (en) * | 2005-04-01 | 2006-10-19 | Seiko Epson Corp | Dot displacement detection method, dot displacement detection program, reference line acquisition method, dot displacement detection device, and droplet discharge device |
| JP2009208706A (en) * | 2008-03-06 | 2009-09-17 | Hitachi High-Technologies Corp | Supporting point detector of trolley wire |
| WO2014136976A1 (en) * | 2013-03-04 | 2014-09-12 | 公益財団法人鉄道総合技術研究所 | Overhead line position measuring device and method |
| CN203869661U (en) * | 2014-05-31 | 2014-10-08 | 中铁二十局集团电气化工程有限公司 | Hanging pillar central position locating device used for overhead contact line equipment construction in tunnel |
| CN106585427A (en) * | 2016-11-11 | 2017-04-26 | 中铁十二局集团有限公司 | Trackless construction method for subway rigid catenary system |
| CN109515252A (en) * | 2018-11-20 | 2019-03-26 | 中铁十二局集团有限公司 | A kind of subway contact net trackless measurement construction method |
| CN109696131A (en) * | 2018-12-11 | 2019-04-30 | 中铁二局集团电务工程有限公司 | Urban track traffic hangs overhead contact line anchor point trackless and measures engineering method |
| US20190126777A1 (en) * | 2016-04-19 | 2019-05-02 | Mer Mec S.P.A. | Optical system for measuring contact strength between pantograph and overhead line |
| JP2020187016A (en) * | 2019-05-15 | 2020-11-19 | トヨタ自動車株式会社 | Positional deviation detection method |
| CN112013818A (en) * | 2020-09-02 | 2020-12-01 | 中国铁建电气化局集团第五工程有限公司 | Method for measuring and calculating inclination angle of Y-shaped suspension post of contact net in single-line tunnel |
| CN112363178A (en) * | 2020-11-02 | 2021-02-12 | 广东中科如铁技术有限公司 | Dynamic measurement method for overhead line system tunnel suspension posts |
| CN212692878U (en) * | 2020-07-07 | 2021-03-12 | 中铁七局集团电务工程有限公司 | Urban rail transit contact net trackless measuring equipment |
| CN112528386A (en) * | 2020-12-31 | 2021-03-19 | 中铁建电气化局集团第三工程有限公司 | Trackless accurate measurement method for suspension point position of contact network in subway tunnel |
| CN112668130A (en) * | 2020-12-30 | 2021-04-16 | 广州轨道交通建设监理有限公司 | Contact net modeling method for subway section tunnel power supply specialty |
| CN112697093A (en) * | 2020-12-22 | 2021-04-23 | 中铁十二局集团电气化工程有限公司 | Method for calculating length and angle of trackless measuring suspension post in shield tunnel |
-
2023
- 2023-05-31 CN CN202310630371.7A patent/CN116379926B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1176994A (en) * | 1967-04-10 | 1970-01-07 | Railway Transport Inst | Catenary Suspension for the Contact Wires of Electric Railways or the like |
| US5331745A (en) * | 1991-09-26 | 1994-07-26 | J. Muller Ag | Process and apparatus for surveying a railway track for any deviation from a track survey plan |
| US5617645A (en) * | 1995-05-02 | 1997-04-08 | William R. W. Wick | Non-contact precision measurement system |
| US5930904A (en) * | 1997-06-17 | 1999-08-03 | Mualem; Charles | Catenary system measurement apparatus and method |
| JP2006284406A (en) * | 2005-04-01 | 2006-10-19 | Seiko Epson Corp | Dot displacement detection method, dot displacement detection program, reference line acquisition method, dot displacement detection device, and droplet discharge device |
| JP2009208706A (en) * | 2008-03-06 | 2009-09-17 | Hitachi High-Technologies Corp | Supporting point detector of trolley wire |
| WO2014136976A1 (en) * | 2013-03-04 | 2014-09-12 | 公益財団法人鉄道総合技術研究所 | Overhead line position measuring device and method |
| CN203869661U (en) * | 2014-05-31 | 2014-10-08 | 中铁二十局集团电气化工程有限公司 | Hanging pillar central position locating device used for overhead contact line equipment construction in tunnel |
| US20190126777A1 (en) * | 2016-04-19 | 2019-05-02 | Mer Mec S.P.A. | Optical system for measuring contact strength between pantograph and overhead line |
| CN106585427A (en) * | 2016-11-11 | 2017-04-26 | 中铁十二局集团有限公司 | Trackless construction method for subway rigid catenary system |
| CN109515252A (en) * | 2018-11-20 | 2019-03-26 | 中铁十二局集团有限公司 | A kind of subway contact net trackless measurement construction method |
| CN109696131A (en) * | 2018-12-11 | 2019-04-30 | 中铁二局集团电务工程有限公司 | Urban track traffic hangs overhead contact line anchor point trackless and measures engineering method |
| JP2020187016A (en) * | 2019-05-15 | 2020-11-19 | トヨタ自動車株式会社 | Positional deviation detection method |
| CN212692878U (en) * | 2020-07-07 | 2021-03-12 | 中铁七局集团电务工程有限公司 | Urban rail transit contact net trackless measuring equipment |
| CN112013818A (en) * | 2020-09-02 | 2020-12-01 | 中国铁建电气化局集团第五工程有限公司 | Method for measuring and calculating inclination angle of Y-shaped suspension post of contact net in single-line tunnel |
| CN112363178A (en) * | 2020-11-02 | 2021-02-12 | 广东中科如铁技术有限公司 | Dynamic measurement method for overhead line system tunnel suspension posts |
| CN112697093A (en) * | 2020-12-22 | 2021-04-23 | 中铁十二局集团电气化工程有限公司 | Method for calculating length and angle of trackless measuring suspension post in shield tunnel |
| CN112668130A (en) * | 2020-12-30 | 2021-04-16 | 广州轨道交通建设监理有限公司 | Contact net modeling method for subway section tunnel power supply specialty |
| CN112528386A (en) * | 2020-12-31 | 2021-03-19 | 中铁建电气化局集团第三工程有限公司 | Trackless accurate measurement method for suspension point position of contact network in subway tunnel |
Non-Patent Citations (3)
| Title |
|---|
| 吴成三: "联邦德国铁路接触网的接触线位置的容许偏差", 铁道工程学报, no. 02, pages 118 - 123 * |
| 杜银龙 等: "城市轨道交通铺轨前刚性悬挂接触网悬挂点测量技术研究", 硅谷, no. 04, pages 78 * |
| 郭胜: "焦柳铁路低净空隧道内接触网刚性悬挂调整方法研究", 《电气化铁道》, no. 03, pages 33 - 35 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116379926B (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108280969B (en) | High-slope surface deformation monitoring and early warning system and early warning method thereof | |
| CN102953304B (en) | Precision measurement control method of metro track structure construction | |
| CN111597509B (en) | Railway center line measuring and setting method based on reference ellipsoid | |
| CN206876125U (en) | A kind of clearance survey device for subway engineering | |
| CN107907100B (en) | System and method for monitoring rail transit uneven settlement | |
| CN112233233B (en) | Three-dimensional linear recovery method for tunnel relative point cloud data | |
| CN107479078A (en) | Geodetic coordinates is converted to the method and system of separate planes coordinate in railroad survey | |
| CN112528386B (en) | Trackless accurate measurement method for suspension point position of contact network in subway tunnel | |
| CN115638777B (en) | Tunnel track traffic whole system trackless measurement method | |
| CN113884077A (en) | Ordinary-speed railway control network in operation period and measuring and setting method thereof | |
| CN111811466B (en) | Method for measuring parameters and maintenance of existing railway ballast railway line | |
| CN103727920A (en) | Method of measuring level elevation difference based on geoid model | |
| CN116379926B (en) | Trackless measurement method and system for contact net of circular shield tunnel and electronic equipment | |
| CN110803200A (en) | CPIII control point-based track mileage positioning method and device | |
| CN109459765A (en) | High-precision tunnel independence control networks method for building up based on existing GNSS control net | |
| CN114491928A (en) | Transformer magnetic bias direct current calculation method caused by subway stray current based on complex soil model | |
| CN108507452B (en) | Method for measuring side limit of strut of contact net of passenger special line | |
| CN111895962A (en) | Method for monitoring deformation of operation subway station | |
| CN113916179B (en) | Highway and railway dual-purpose bridge line shape automatic measurement system and method | |
| CN116793216B (en) | Trackless measurement method and system for circular shield curve section tunnel contact net | |
| CN212692878U (en) | Urban rail transit contact net trackless measuring equipment | |
| CN105672070A (en) | Control network establishing method for single-row track in existing line railway station | |
| CN109696131B (en) | Trackless measuring method for suspension positioning point of suspension contact network of urban rail transit | |
| CN116834616A (en) | Circular shield tunnel contact net erection method and system based on trackless measurement | |
| CN206876177U (en) | The fast-positioning device of Metro Tunnel circuit measuring point point position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |