CN112815930A - High-voltage line three-dimensional coordinate rapid determination method - Google Patents
High-voltage line three-dimensional coordinate rapid determination method Download PDFInfo
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- CN112815930A CN112815930A CN202011643306.0A CN202011643306A CN112815930A CN 112815930 A CN112815930 A CN 112815930A CN 202011643306 A CN202011643306 A CN 202011643306A CN 112815930 A CN112815930 A CN 112815930A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 34
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/004—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points
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Abstract
The invention relates to a high-voltage wire coordinate measuring technology, in particular to a high-voltage wire three-dimensional coordinate rapid measuring method, which solves the problems of complex operation, high measuring difficulty and low measuring precision in the high-voltage wire three-dimensional coordinate measurement at present. The technical scheme adopted by the invention comprises the following steps: 1) erecting the total station to a position far away from the high-voltage line, and requiring the eyepiece of the total station to vertically rotate to aim at the high-voltage line; 2) setting the total station in a prism-free measurement mode; 3) setting the pole height of the support rod of the GPS mobile station to H1Erecting a support rod below a certain measuring point of the high-voltage line, and determining the ground coordinate and the ground elevation H corresponding to the measuring point by the GPS mobile station0(ii) a 4) Aligning a total station eyepiece cross wire to the top position of the supporting rod to enable the height difference at the top position of the supporting rod to be 0; 5) and rotating the eyepiece of the total station upwards along the vertical direction until the cross wire in the eyepiece is aligned with the measuring point of the high-voltage wire, wherein the measuring point is the lowest point of the high-voltage wire which shakes up and down.
Description
Technical Field
The invention relates to a high-voltage wire coordinate measuring technology, in particular to a high-voltage wire three-dimensional coordinate rapid measuring method.
Background
Need to record among the high-voltage line engineering construction and make somebody a mere figurehead high-voltage line apart from ground height, generally use traditional optics or electron level to measure, traditional optics or electron level measure ground elevation easily receive on-the-spot topography and the influence of levelling point far and near, survey crew's outdoor operations time is long, and working strength is big, and easy work error appears.
At present, according to the construction characteristics of some engineering projects, more comprehensive accurate trend data of high-voltage lines needs to be acquired, so that ground elevation measurement is more complicated and tedious, and a larger workload is brought to constructors; and because the overhead high-voltage line can swing with the wind in the air, the high-voltage line can not be observed in the prism measurement mode of the total station, and the difficulty and the measurement error of the measurement data of constructors are increased.
Disclosure of Invention
The invention provides a method for rapidly measuring three-dimensional coordinates of a high-voltage wire, aiming at solving the problems of complex operation, high measurement difficulty and low measurement precision in the conventional measurement of the three-dimensional coordinates of the high-voltage wire.
The technical scheme adopted by the invention is as follows: a method for rapidly measuring the three-dimensional coordinates of a high-voltage wire is characterized by comprising the following steps:
1) erecting the total station to a position far away from the high-voltage line, and requiring the eyepiece of the total station to vertically rotate to aim at the high-voltage line;
2) setting the total station to be in a prism-free measurement mode, and entering into suspended height measurement;
3) setting the pole height of the support rod of the GPS mobile station to H1Erecting a support rod below a certain measuring point of the high-voltage line, and measuring the X coordinate, the Y coordinate and the ground elevation H of the corresponding ground coordinate of the measuring point by the GPS mobile station0；
4) Aligning a total station eyepiece cross wire to the top position of a supporting rod, and then clicking to measure and store to enable the height difference at the top position of the rod to be 0;
5) rotating the eyepiece of the total station upwards along the vertical direction until the cross wire in the eyepiece is aligned with the measuring point of the high-voltage wire, wherein the measuring point is the lowest point of the high-voltage wire shaking up and down, and recording the height value H displayed by the measuring point2；
6) Calculating the height H ═ H of the high-voltage line at the position of the GPS mobile station0+H1+H2(ii) a The Z coordinate of the measuring point of the high-voltage line is H, and the X coordinate thereofAnd the Y coordinate is the X coordinate and the Y coordinate of the ground coordinate measured in the step 3);
7) and (3) erecting the GPS mobile station below another measuring point of the high-voltage wire, and repeating the steps 3) to 6) until the three-dimensional coordinate measurement of each measuring point of the high-voltage wire is completed, wherein each measuring point is the lowest point of the high-voltage wire which shakes up and down.
Further, step 3), the pole height H of the GPS mobile station1＝1.8m。
Further, in the step 1), a 1985 national elevation standard is adopted for an elevation system of the total station; the GPS mobile station adopts a Beidou system, and a coordinate system of the GPS mobile station adopts a Beijing coordinate system of 1954.
Further, in step 1), the total station is an card total station.
Further, in step 1), the distance between the total station and the high-voltage line is 200-1200 m.
Compared with the prior art, the invention has the following beneficial effects.
The method for rapidly determining the three-dimensional coordinates of the high-voltage wire is simple and convenient to operate, the position of the GPS mobile station below the high-voltage wire is only required to be movably adjusted, a total station is not required to be moved, three-dimensional coordinate data of the total station is not required to be obtained, only ground coordinate data and elevation data of the GPS mobile station and height difference data of the total station are required to be recorded, the three-dimensional coordinate data of the high-voltage wire can be obtained, time for measuring the three-dimensional coordinates of the high-voltage wire is saved, and field work intensity of measuring personnel is reduced.
According to the method for rapidly measuring the three-dimensional coordinate of the high-voltage wire, the height of the top of the supporting rod to the high-voltage wire can be rapidly detected by adjusting the angle of the eyepiece of the total station, the height measurement data is more accurate, and the accuracy of measuring the three-dimensional coordinate of the high-voltage wire is improved.
By the high-voltage line three-dimensional coordinate rapid determination method, the height which can be determined by the total station can reach the maximum safety height required by construction design, so that the driving safety of the vehicle after traffic is guaranteed.
Drawings
Fig. 1 is a schematic view of the installation location of the total station and GPS mobile station of the present invention.
Fig. 2 is a plan position diagram of the measurement point (r) to the measurement point (b) in the embodiment of the present invention.
FIG. 3 shows a measurement point ninthly-measurement point in an embodiment of the present invention
A plan position view of (a).
In the figure: 1-total station, 2-GPS mobile station, 3-support rod, 4-high voltage line.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments do not limit the present invention.
In the embodiment of the invention, two overhead high-voltage wires and one high-voltage wire beside the intersection are arranged above a pier of the left and right amplitude-dividing sections of the main line bridge. According to design and site construction requirements, the accurate trend of a high-voltage line, the national 1985 elevation and the ground height of the high-voltage line from a construction site need to be acquired, so that safety technical guarantee is provided for the length of a section processed by a reinforcement cage, the maximum hoisting height of a crane and subsequent cast-in-place beam construction.
As shown in fig. 1, the method for rapidly measuring three-dimensional coordinates of a high-voltage wire according to the embodiment includes the following specific steps:
1) the total station 1 is erected to a position far away from the high-voltage line, the general distance is within the range of 200-1200 meters, the distance is 500 meters at the maximum when the weather condition is poor, and the distance can reach 1200 meters under a good environmental condition. The total station 1 needs the eyepiece to vertically rotate to aim at the high-voltage line. The total station is preferably Ka total station, and the elevation system adopts 1985 national elevation benchmark.
2) And setting the total station to be in a prism-free measurement mode, and entering into suspended height measurement. The method realizes prism-free ranging in a prism-free measuring mode, and is generally suitable for ranging in cliffs, stone walls, tunnels and other places where a reflecting prism or a reflecting sheet is not easy to place. The invention applies this mode to high-voltage line measurements.
3) According to the characteristic that the GPS mobile station 2 can measure the three-dimensional coordinates of any position on the ground, the GPS is movedThe height of the supporting rod 3 of the station 2 is set to 1.8 meters, and the supporting rod is erected right below one measuring point of the high-voltage line, so that the X coordinate, the Y coordinate and the ground elevation H of the corresponding ground coordinate of the measuring point can be measured0(ii) a The GPS instrument in the GPS mobile station 2 carries a Beidou navigation satellite positioning system.
4) Aiming an eyepiece cross wire of a total station 1 at the top position of a rod, and clicking to measure and store to enable the height difference at the top position of the rod to be 0;
5) the total station 1 is rotated upwards along the vertical direction until the cross wire in the ocular lens is aligned with the measuring point of the high-voltage wire 4, the measuring point is the lowest point of the high-voltage wire which shakes up and down, and the height value H displayed by the measuring point is recorded2；
6) Calculating the height H ═ H of the high-voltage line 4 at the position of the GPS mobile station 20+H1+H2Namely, the height of the high-voltage line is equal to the height of the ground, the height of the pole and the height of the high-voltage line; the Z coordinate of the measuring point of the high-voltage wire is H, and the X coordinate and the Y coordinate of the measuring point are the X coordinate and the Y coordinate of the ground coordinate measured in the step 3);
7) and (3) erecting the GPS mobile station 2 below another measuring point of the high-voltage wire 4, and repeating the steps 3 to 6 until the three-dimensional coordinate measurement of each measuring point of the high-voltage wire 4 is completed, wherein each measuring point is the lowest point of the high-voltage wire 4 which shakes up and down.
As shown in fig. 2, in the present embodiment, a plane position diagram of a measurement point (i), a measurement point (ii), a measurement point (iii), a measurement point (iv), a measurement point (v), a measurement point (c), and a measurement point (v); as shown in FIG. 3, measurement point (C), measurement point (R), and measurement point (R) in this embodiment
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The measured and calculated data for the high voltage line 4 are shown in tables 1 and 2.
Table 1: height and height of high-voltage line
Table 2: three-dimensional coordinates of high-voltage line
Note: in the table, a 1985 national elevation standard is adopted as a high-range system, a 1954 Beijing coordinate system is adopted as a coordinate system, and a central meridian is 120 degrees.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A method for rapidly measuring three-dimensional coordinates of a high-voltage wire is characterized by comprising the following steps:
1) erecting the total station (1) to a position far away from the high-voltage wire (4), and requiring the eyepiece of the total station (1) to vertically rotate so as to be capable of aiming at the high-voltage wire (4);
2) setting the total station (1) to be in a prism-free measurement mode, and entering into suspended height measurement;
3) the height of the support rod (3) of the GPS mobile station (2) is set as H1A supporting rod (3) is erected below a certain measuring point of the high-voltage line (4), and the GPS mobile station (2) measures the X coordinate, the Y coordinate and the ground elevation H of the corresponding ground coordinate of the measuring point0；
4) Aiming an eyepiece cross wire of a total station (1) at the top position of a supporting rod (3), and then clicking 'measuring and storing' to enable the height difference at the top position of the rod to be 0;
5) the eyepiece of the total station (1) is rotated upwards along the vertical direction until the cross wire in the eyepiece is aligned with the measuring point of the high-voltage wire (4), and the height value H displayed by the measuring point is recorded2；
6) Calculating the height H ═ H of a high-voltage wire (4) at the position of the GPS mobile station (2)0+H1+H2(ii) a The Z coordinate of the measuring point of the high-voltage wire is H, and the X coordinate and the Y coordinate of the measuring point are the X coordinate and the Y coordinate of the ground coordinate measured in the step 3);
7) and (3) erecting the GPS mobile station (2) below another measuring point of the high-voltage wire (4), and repeating the steps 3) to 6) until the three-dimensional coordinate measurement of each measuring point of the high-voltage wire (4) is completed.
2. The method for rapidly measuring the three-dimensional coordinates of the high-voltage wire according to claim 1, wherein the method comprises the following steps: step 3), the pole height H of the GPS mobile station (2)1＝1.8m。
3. The method for rapidly measuring the three-dimensional coordinates of the high-voltage wire according to claim 1, wherein the method comprises the following steps: in the step 1), an elevation system of the total station (1) adopts a 1985 national elevation standard; the GPS mobile station (2) adopts a Beidou system, and the coordinate system adopts a Beijing coordinate system in 1954.
4. The method for rapidly measuring the three-dimensional coordinates of the high-voltage wire according to claim 1, wherein the method comprises the following steps: in the step 1), the total station (1) is an card total station.
5. The method for rapidly measuring the three-dimensional coordinates of the high-voltage wire according to claim 1, wherein the method comprises the following steps: in the step 1), the distance between the total station (1) and the high-voltage line (4) is 200-1200 m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011643306.0A CN112815930A (en) | 2020-12-30 | 2020-12-30 | High-voltage line three-dimensional coordinate rapid determination method |
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| CN202011643306.0A CN112815930A (en) | 2020-12-30 | 2020-12-30 | High-voltage line three-dimensional coordinate rapid determination method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115371632A (en) * | 2022-09-02 | 2022-11-22 | 中交路桥建设有限公司 | High-voltage line cable shape measuring method |
| CN116045896A (en) * | 2022-11-11 | 2023-05-02 | 包头钢铁（集团）有限责任公司 | A method for measuring the angle of blast furnace distribution chute |
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| CN108225289A (en) * | 2018-01-20 | 2018-06-29 | 北京市第三建筑工程有限公司 | A kind of GPS measures centering rod |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371632A (en) * | 2022-09-02 | 2022-11-22 | 中交路桥建设有限公司 | High-voltage line cable shape measuring method |
| CN116045896A (en) * | 2022-11-11 | 2023-05-02 | 包头钢铁（集团）有限责任公司 | A method for measuring the angle of blast furnace distribution chute |
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Application publication date: 20210518 |