CN106813585B - A kind of conductor spacer range measurement and installation method - Google Patents
A kind of conductor spacer range measurement and installation method Download PDFInfo
- Publication number
- CN106813585B CN106813585B CN201611125781.2A CN201611125781A CN106813585B CN 106813585 B CN106813585 B CN 106813585B CN 201611125781 A CN201611125781 A CN 201611125781A CN 106813585 B CN106813585 B CN 106813585B
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- conductor spacer
- conducting wire
- shaft tower
- shaft
- point
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- 239000004020 conductor Substances 0.000 title claims abstract description 79
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 76
- 238000005259 measurement Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007665 sagging Methods 0.000 claims description 6
- 238000011900 installation process Methods 0.000 abstract description 4
- 238000012876 topography Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of conductor spacer range measurement and installation methods, the method establishes plane right-angle coordinate between two adjacent shaft towers for needing installation interval stick, the each corresponding chord length of span between two shaft towers is calculated by formula, utilize distance-measuring device, the position of first conductor spacer on conducting wire is determined by the chord length between conducting wire hitch point on shaft tower one and the point and first conductor spacer, and first conductor spacer is installed, pass through the chord length between the position of the first conductor spacer on conducting wire and first and second conductor spacer, determine the position of the second conductor spacer, and second conductor spacer is installed, similarly, it successively determines the position of n-th of conductor spacer and n-th of conductor spacer is installed.The present invention single on line can complete conductor spacer range measurement and installation, reduce human input and time investment in conductor spacer range measurement and installation process, reduce the measurement and installation difficulty in the special topography such as mountain area, promote working efficiency.
Description
Technical field
The present invention relates to electric line technical field more particularly to a kind of conductor spacer range measurement and installation methods.
Background technique
The conductor galloping problem of transmission line of electricity is to threaten a big hidden danger of power grid security, on the transmission line installation interval stick
It is a kind of common technological means, the main function of conductor spacer is: prevents the whiplash between sub-conductor, inhibits aeolian vibration, suppression
Subspan oscillation processed.It " 110kV~750kV Overhead Transmission Line Construction and is tested in the national standard that number is GB50233-2014
Receive specification " bulletin in, the installation requirement of conductor spacer is that " structural plane of the conductor spacer of split conductor should be vertical with conducting wire, shaft tower two
The mounting distance tolerance of the conductor spacer of side first, which should be, holds ± the 1.5% of time span, remaining answers ± the 3% of time span, respectively
Separately stick is preferably in same vertical plane." bulletin for conductor spacer span and actual installation distance between error be made that
It is certain to require.Currently, the common method for measuring distance between conductor spacer has: 1. surveying on line during installation interval stick
It restricts the direct method of measurement, in actual measurement work often in this way, but lining rope contains wire, when spanning the transmission line road
It is easy to happen electric shock and induced electricity, unfavorable to construction safety, and lining rope serious wear, the often lining rope after measuring a strain section
Substantially it scraps, measurement error is big, low efficiency, and requires weather conditions high, only at least needs two people to measure on line, still needs under line
It wants personnel to cooperate, occupies more human resources;2. the method that line lower angle method measures conductor spacer distance, determines in this way
Conductor spacer mounting distance deviation it is big, and need on-line off-line more personnel's cooperation;3. driving measures using having the records of distance by the log, make
When measuring in this way and determining the installation site of conductor spacer, driving of having the records of distance by the log is inconvenient to carry, in some topographies such as mountain area
Special place is difficult to carry, and is also required to more personnel's cooperation.
Summary of the invention
The object of the present invention is to provide a kind of conductor spacer range measurement and installation method, this method is able to ascend conductor spacer peace
Precision in filling reduces human resources investment and time capital input in conductor spacer range measurement and installation process.And it should
Distance-measuring device used in method is easy to carry using safe, is influenced by weather and topography small.
The technical solution adopted by the present invention are as follows: a kind of conductor spacer range measurement and installation method, comprising the following steps:
1), establish plane right-angle coordinate between two adjacent shaft towers for needing installation interval stick: left side shaft tower is bar
Tower one, right side shaft tower is shaft tower two, and using conducting wire hitch point on shaft tower one as origin, shaft tower one is y-axis, vertical with shaft tower one, and
The straight line intersected with shaft tower two is x-axis, and direction to the right is positive direction of the x-axis, and upwardly direction is positive direction of the y-axis, establishes plane
Rectangular coordinate system;
2) parameter, is collected: including left side shaft tower height H1, right-hand rod tower height degree H2, conducting wire every meter of weight w, two between two shaft towers
Span l between shaft tower between conducting wire Horizontal Tension T, two shaft towers, each secondary span S between two shaft towersi, be spaced between two shaft towers
Quantity n, 1≤i≤n+1 of stick;
3) one, be regarded as the position of conductor spacer and conductive contact between two shaft towers in the plane right-angle coordinate
Point determines the coordinate (x of each pointn、yn), wherein origin is (x0, y0), conducting wire hitch point coordinate is on shaft tower two
(xn+1, yn+1), x0、y0、xn+1、yn+1Value it is as follows: x0=0, y0=0, xn+1=l, yn+1=h, h=H1-H2;
x1、x2……xnValue it is as follows:
x1=S1,
x2=S1+S2,
xn=S1+S2+…+Sn;
According to overhead line suspense sagging function calculation formula, the ordinate y of each point is calculated1、y2……yn,
Using conducting wire hitch point on shaft tower one as the overhead line suspense sagging function of origin, the ordinate y that each pair of point is answered is calculatedi's
Formula is as follows:
laThe horizontal minimum point of conducting wire between two shaft towers to shaft tower one horizontal distance;
4) time span S, is successively calculated1、S2…Si…Sn+1Corresponding chord length L1、L2…Li…Ln+1Value, i-th of chord length Li
Calculation formula it is as follows:
5), using distance-measuring device, pass through conducting wire hitch point on shaft tower one and chord length L1, determine on conducting wire between first
Every the position of stick, and first conductor spacer is installed, passes through the position of the first conductor spacer on conducting wire and chord length L2, determine the second interval
The position of stick, and second conductor spacer is installed, similarly, successively determines the position of n-th of conductor spacer and n-th of conductor spacer is installed.
The distance-measuring device includes the laser range finder of camera focus aiming function, the clamping for clamping conducting wire
Device and rotary connector;The rotary connector includes the second mounting plate for being fixedly installed on clamping device upper surface, connects
Extension bar, the clip being set in connecting rod and the first mounting plate for being fixedly installed on clip upper surface, the first mounting plate upper surface
It is fixedly connected with laser range finder, the connecting rod upper end and the first mounting plate are rotatablely connected, connecting rod and the second installation
Plate is fixedly connected.
The clip includes clamping screw, the first card-tight part and the second card-tight part that match, the first card-tight part and
Two card-tight parts are provided with the threaded hole matched with clamping screw, and the threaded hole of the first card-tight part is through-hole.
The end of clamping screw nut side, which is extended, handle.
The present invention cooperates special conductor spacer distance-measuring device by calculating the corresponding chord length of span, which surveys
It is high to measure device measurement accuracy, improves the measurement accuracy in conductor spacer installation process, and the distance-measuring device is small in size, grasps
Make it is simple, can the single measurement for completing conductor spacer mounting distance and the installation of conductor spacer on line, reduce conductor spacer mounting distance
Human input in measurement and installation process reduces the measurement difficulty in the special topography such as mountain area, promotes working efficiency.
Detailed description of the invention
Fig. 1 is distance-measuring device schematic diagram of the present invention;
Fig. 2 is clip schematic diagram of the present invention.
Specific embodiment
Conductor spacer range measurement of the present invention and installation method the following steps are included:
1), establish plane right-angle coordinate between two adjacent shaft towers for needing installation interval stick: left side shaft tower is bar
Tower one, right side shaft tower is shaft tower two, and using 3 hitch point of conducting wire on shaft tower one as origin, shaft tower one is y-axis, vertical with shaft tower one, and
The straight line intersected with shaft tower two is x-axis, and direction to the right is positive direction of the x-axis, and upwardly direction is positive direction of the y-axis, establishes plane
Rectangular coordinate system;
2) parameter, is collected: including left side shaft tower height H1, right-hand rod tower height degree H2, every meter of weight w of conducting wire 3 between two shaft towers,
Span l between two shaft towers between 3 Horizontal Tension T of conducting wire, two shaft towers, each secondary span S between two shaft towersi, between two shaft towers
Quantity n, 1≤i≤n+1 of conductor spacer;
3) one, be regarded as the position that the conductor spacer between two shaft towers is contacted with conducting wire 3 in the plane right-angle coordinate
Point determines the coordinate (x of each pointn、yn), wherein origin is (x0, y0), 3 hitch point coordinate of conducting wire is on shaft tower two
(xn+1, yn+1),
x0、y0、xn+1、yn+1Value it is as follows: x0=0, y0=0, xn+1=l, yn+1=h, h=H1-H2;
x1、x2……xnValue it is as follows:
x1=S1,
x2=S1+S2,
xn=S1+S2+…+Sn;
According to overhead line suspense sagging function calculation formula, the ordinate y of each point is calculated1、y2……yn,
The ordinate y that each pair of point is answered is calculated by the overhead line suspense sagging function of origin of 3 hitch point of conducting wire on shaft tower oneiIt is public
Formula is as follows:
laThe horizontal minimum point of conducting wire 3 between two shaft towers to shaft tower one horizontal distance;
4) time span S, is successively calculated1、S2…Si…Sn+1Corresponding chord length L1、L2…Li…Ln+1Value, i-th of chord length Li
Calculation formula it is as follows:
5), using distance-measuring device, pass through 3 hitch point of conducting wire and chord length L on shaft tower one1, first is determined on conducting wire 3
The position of conductor spacer, and first conductor spacer, position and chord length L by the first conductor spacer on conducting wire 3 are installed2, determine second
The position of conductor spacer, and second conductor spacer is installed, similarly, successively determines the position of n-th of conductor spacer and n-th of interval is installed
Stick.
The distance-measuring device includes the laser range finder 1 of camera focus aiming function, for clamping conducting wire 3
Clamping device 8 and rotary connector;The rotary connector includes the second installation for being fixedly installed on 8 upper surface of clamping device
Plate 5, connecting rod 4, the clip 6 being set in connecting rod 4 and the first mounting plate 7 for being fixedly installed on 6 upper surface of clip, the first peace
7 upper surface of loading board is fixedly connected with laser range finder 1, and the connecting rod 4 and the first mounting plate 7 are rotatablely connected, under connecting rod 4
End is fixedly connected with the second mounting plate 5.Laser range finder 1 need to have camera shooting aiming function, in the screen of this laser range finder 1
On curtain, it can be seen that represent the red dot of actual measurement location and the image of surrounding, laser range finder 1 guarantees conductor spacer ranging essence
Degree, and the influence of the adverse weathers situations such as weather conditions such as strong wind can be reduced.The camera shooting aiming function of laser range finder 1 can
Solve the problem of that laser aiming red dot is not seen in some cases when carrying out 50-80m range measurement.In the present embodiment, laser
Rangefinder 1 uses Hand-hold Distance Finder 1 small in size, easy to carry.8 upper surface of clamping device and 1 lower end of laser range finder
Face is parallel, and distance-measuring device is fixed on conducting wire 3 by clamping device 8, in use, clamping device 8 is clamped in conducting wire 3 vertically
On, it is ensured that the measurement direction of laser range finder is 3 direction of conducting wire, meanwhile, laser range finder can rotate in vertical direction,
And because of error caused by shake when reducing hand-held.
The first card-tight part 61 and the second card-tight part 62 that clip 6 includes clamping screw 63, matches, 61 He of the first card-tight part
Second card-tight part 62 is provided with the threaded hole matched with clamping screw 63, and the threaded hole of the first card-tight part 61 is through-hole.It is described
63 nut side of clamping screw end be extended have handle.2 outward turning of handle can make clip 6 unclamp connecting rod 4,
Rotating handle 2 can be adjusted angle and adjust rotation angle using handle 2, and 2 inward turning of handle can make clip 6 be in clamping connection bar 4, make
It is more laborsaving with handle, it is more convenient, and handle rotation distance it is larger when, clip 6 is smaller around the angle that connecting rod rotates, and makes
It must adjust more accurate.
When measurement, using above-mentioned conductor spacer range measurement and installation method, it is first determined the end time between two adjacent shaft towers
Span S1Corresponding chord length L1, after carrying out rough measurement, high-altitude personnel generally move to the installation site of the first conductor spacer, away from
Clamping device 8 from measuring device is clamped in vertically on conducting wire 3, adjusts the angle regulation handle 2, and laser range finder 1 is being put down vertically
Rotation in surface makes Hand-hold Distance Finder 1 precisely align the hanging yoke plate of tangent tower, completes the measurement of end time span, accurate true
Print is drawn after the installation site of fixed first conductor spacer, the thickness of half of hanging yoke plate is subtracted when drawing print, the first conductor spacer is installed
It finishes.High-altitude personnel generally move to the position of second conductor spacer, and conductor spacer distance-measuring device is clamped on conducting wire 3,
Regulation handle 2 is adjusted the angle, first conductor spacer is precisely aligned, measures time span S2Corresponding chord length L2, accurately determine second
Print is drawn after the installation site of a conductor spacer, half interval stick thickness is subtracted when drawing print, and complete the installation of second conductor spacer.
Successively according to chord length Li, using the conductor spacer distance-measuring device matched, complete the installation of each conductor spacer.Range measurement dress
Set it is small in size, it is easy to carry, it is easy to operate, during whole operation, it is only necessary to which aloft work personnel can be completed on a line
The measurement of conductor spacer distance and the installation of conductor spacer, save human resources, and cooperate on line without other people, can promote work
Efficiency.The place big for the traditional measurement methods such as mountain area measurement difficulty, can also easily carry equipment to job site, and complete
Stick range measurement at interval.
In distance measurement process, when aiming at every time, it should be directed at the same area of conductor spacer, error can be reduced.Because of hand
Laser range finder 1 is held with camera shooting aiming function, on the screen of Hand-hold Distance Finder 1, it can be seen that red dot and measurement mesh
Target situation can accomplish the more accurate same area of each alignment spaces stick.
Claims (4)
1. a kind of conductor spacer range measurement and installation method, it is characterised in that: the following steps are included:
1), establish plane right-angle coordinate between two adjacent shaft towers for needing installation interval stick: left side shaft tower is shaft tower one,
Right side shaft tower is shaft tower two, and using conducting wire hitch point on shaft tower one as origin, shaft tower one is y-axis, vertical with shaft tower one, and and shaft tower
The straight line of two intersections is x-axis, and direction to the right is positive direction of the x-axis, and upwardly direction is positive direction of the y-axis, establishes flat square seat
Mark system;
2) parameter, is collected: including left side shaft tower height H1, right-hand rod tower height degree H2, every meter of weight w of conducting wire, two shaft towers between two shaft towers
Between span l between conducting wire Horizontal Tension T, two shaft towers, each secondary span S between two shaft towersi, conductor spacer between two shaft towers
Quantity n, 1≤i≤n+1;
3) position of conductor spacer and conductive contact between two shaft towers, is regarded as a point in the plane right-angle coordinate, really
Make the coordinate (x of each pointn、yn), wherein origin is (x0, y0), conducting wire hitch point coordinate is (x on shaft tower twon+1,
yn+1), x0、y0、xn+1、yn+1Value it is as follows: x0=0, y0=0, xn+1=l, yn+1=h, h=H1-H2;
x1、x2……xnValue it is as follows:
x1=S1,
x2=S1+S2,
xn=S1+S2+…+Sn;
According to overhead line suspense sagging function calculation formula, the ordinate y of each point is calculated1、y2……yn,
Using conducting wire hitch point on shaft tower one as the overhead line suspense sagging function of origin, the ordinate y that each pair of point is answered is calculatediFormula
It is as follows:
laThe horizontal minimum point of conducting wire between two shaft towers to shaft tower one horizontal distance;
4) time span S, is successively calculated1、S2…Si…Sn+1Corresponding chord length L1、L2…Li…Ln+1Value, i-th of chord length LiMeter
It is as follows to calculate formula:
5), using distance-measuring device, pass through conducting wire hitch point on shaft tower one and chord length L1, determine first conductor spacer on conducting wire
Position, and install first conductor spacer, pass through the position of the first conductor spacer on conducting wire and chord length L2, determine the second conductor spacer
Position, and second conductor spacer is installed, similarly, successively determines the position of n-th of conductor spacer and n-th of conductor spacer is installed.
2. conductor spacer range measurement according to claim 1 and installation method, it is characterised in that: the range measurement dress
Set the laser range finder for including camera focus aiming function, clamping device and rotary connector for clamping conducting wire;It is described
Rotary connector include the second mounting plate for being fixedly installed on clamping device upper surface, be fixedly installed on the second mounting plate upper end
The connecting rod in face, the clip being set in connecting rod and the first mounting plate for being fixedly installed on clip upper surface, connecting rod and the
The rotation connection of one mounting plate, the first mounting plate upper surface is fixedly connected with laser range finder.
3. conductor spacer range measurement according to claim 2 and installation method, it is characterised in that: the clip includes card
Tight screw, the first card-tight part and the second card-tight part matched, the first card-tight part and the second card-tight part are provided with and clamping screw
The threaded hole matched, the threaded hole of the first card-tight part are through-hole.
4. conductor spacer range measurement according to claim 3 and installation method, it is characterised in that: the clamping screw spiral shell
The end of cap side, which is extended, handle.
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CN201611125781.2A CN106813585B (en) | 2016-12-09 | 2016-12-09 | A kind of conductor spacer range measurement and installation method |
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CN201611125781.2A CN106813585B (en) | 2016-12-09 | 2016-12-09 | A kind of conductor spacer range measurement and installation method |
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CN106813585A CN106813585A (en) | 2017-06-09 |
CN106813585B true CN106813585B (en) | 2019-04-09 |
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Families Citing this family (3)
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CN107818563B (en) * | 2017-10-26 | 2021-06-08 | 西安工程大学 | Space measurement and positioning method for split conductor spacing of power transmission line |
CN109323648B (en) * | 2018-10-24 | 2020-05-26 | 青海送变电工程有限公司 | Installation distance measuring device for conductor spacer |
CN114279359B (en) * | 2021-12-24 | 2024-04-19 | 江苏中天科技股份有限公司 | Wire measuring device and wire measuring method |
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CN105760561A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Bundled conductor aeolian vibration determination method considering spacer damping parameter |
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JP5214287B2 (en) * | 2008-03-12 | 2013-06-19 | 中国電力株式会社 | Horizontal branch spacer, manufacturing method of horizontal branch spacer |
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CN202153251U (en) * | 2011-07-25 | 2012-02-29 | 中电国科(北京)科技有限公司 | Power transmission line comprehensive measurement and control device |
CN105760561A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Bundled conductor aeolian vibration determination method considering spacer damping parameter |
CN104700215A (en) * | 2015-03-13 | 2015-06-10 | 梁来先 | Comprehensive calculating system and method for stringing construction of electric transmission line |
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