CN106813585B - A kind of conductor spacer range measurement and installation method - Google Patents

A kind of conductor spacer range measurement and installation method Download PDF

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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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China
Prior art keywords
conductor spacer
conducting wire
shaft tower
shaft
point
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CN106813585A (en
Inventor
李君章
张军
王刚
郭沛
牛继昌
杨勇亮
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State Grid Corp of China SGCC
Henan Power Transmission and Transformation Construction Co Ltd
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State Grid Corp of China SGCC
Henan Power Transmission and Transformation Construction Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/14Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures

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  • 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

A kind of conductor spacer range measurement and installation method
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.
CN201611125781.2A 2016-12-09 2016-12-09 A kind of conductor spacer range measurement and installation method Active CN106813585B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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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