CN114353681A - Overhead line diameter measuring device based on image recognition and working method thereof - Google Patents
Overhead line diameter measuring device based on image recognition and working method thereof Download PDFInfo
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- CN114353681A CN114353681A CN202111432152.5A CN202111432152A CN114353681A CN 114353681 A CN114353681 A CN 114353681A CN 202111432152 A CN202111432152 A CN 202111432152A CN 114353681 A CN114353681 A CN 114353681A
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- 238000005259 measurement Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 6
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
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- 239000004020 conductor Substances 0.000 description 6
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Abstract
The invention discloses an overhead line diameter measuring device based on image recognition and a working method thereof, belonging to the technical field of line diameter measuring devices and comprising the following steps: the shell, buffer gear locates in the shell for measuring device removes the in-process and carries out the shock attenuation, and wherein, buffer gear includes spacing part, tensile part, traction element, four buffer spring, four telescopic links and gyro wheel base. The overhead operation wire diameter measuring instrument adopts a remote image recognition mode to measure the wire diameter, is not limited by the terrain, can measure the wire diameter of overhead wires at any height and position, enlarges the measuring range, saves the measuring time, improves the working efficiency, is light and convenient, is convenient to operate, has a judgment error less than 0.1 percent, can be used for measuring the diameters of common overhead steel-cored aluminum stranded wires and bare wires, can automatically calculate the diameter of the wires through simple ground operation, is convenient to operate, is accurate to measure, and has wide popularization prospect.
Description
Technical Field
The invention belongs to the technical field of wire diameter measuring devices, and particularly relates to an overhead wire diameter measuring device based on image recognition and a working method thereof.
Background
In the power system, the wire diameter of the wire determines the maximum load of the line, the safe and reliable operation of the power wire is the most fundamental guarantee of the safe operation of the power grid, the measurement of the diameter of the overhead line is usually carried out under the condition of electrification, the measurement of the diameter of the overhead line at present adopts a caliper or a circle ruler, the measurement of the common caliper or the circle ruler needs to be compared and observed with an insulating glove at a short distance, which is not safe, inaccurate and time-wasting, the prior art utilizes an insulating operating rod for remote operation, the caliper is provided with an index with a memory function, after the caliper is measured remotely, a measurer reads the wire diameter of the wire on the ground through the reading scale, so that the measurer can safely measure the wire diameter of the wire, however, the index with memory function is unstable and is easy to cause deviation, and some overhead lines have high ground clearance and are difficult to measure by calipers on the insulating rod.
Therefore, a set of overhead operation wire diameter measuring instrument needs to be designed, the wire diameter of the overhead wire is measured in a remote mode, the principle is based on remote image identification, the wire diameter is calculated by calculating the pixel point area of a known reference object and calculating the wire diameter of the wire to be measured occupied by the pixel points, and finally the wire diameter is obtained through conversion, and the wire diameter of the common wire is discontinuous, so that accurate diameter measurement can be realized within a certain error margin.
Disclosure of Invention
The invention aims to: the aerial operation wire diameter measuring instrument adopts a remote image recognition mode to measure the wire diameter, is not limited by the terrain, can measure the wire diameter of the aerial wire at any height and position, enlarges the measuring range, saves the measuring time, improves the working efficiency, is light and convenient, is convenient to operate, has a judgment error less than 0.1 percent, can be used for measuring the diameter of common aerial steel core aluminum stranded wires and bare wires, can calculate the diameter of the wires automatically through simple ground operation, is convenient to operate, is accurate to measure, can be learned and operated through simple training, has wide popularization prospect, is protected by damping when the wire diameter measuring instrument moves in the working process through the use of a buffer mechanism and a positioning mechanism, avoids the inside of the measuring instrument from being damaged, and when the measuring instrument is transported to a planned place, the positioning mechanism extends and fixes the position to prevent the measuring instrument from shaking, affecting the detection result.
The technical scheme adopted by the invention is as follows: an overhead wire diameter measuring device based on image recognition comprises:
a housing;
the buffer mechanism is arranged in the shell and used for damping the measuring device in the moving process, and comprises a limiting part, a stretching part, a traction part, four buffer springs, four telescopic rods and a roller base, wherein the roller base is arranged on the inner wall of the shell in a sliding mode and close to the bottom of the shell, the four telescopic rods are respectively and fixedly connected with the edge of the upper surface of the roller base, the tops of the four telescopic rods are respectively and fixedly connected with the upper inner wall of the shell, the four buffer springs are respectively sleeved on the outer surfaces of the four telescopic rods, the bottoms of the four buffer springs are fixedly connected with the upper surface of the roller base, and the tops of the four buffer springs are fixedly connected with the upper inner wall of the shell; and
and the positioning mechanism is arranged in the shell and used for limiting the position of the measuring device, wherein the positioning mechanism comprises a positioning pin, two fixed cylinders and two top plates, the positioning pin is fixedly connected to the limiting part, the two fixed cylinders are respectively and fixedly connected to the center of the edge of the two sides of the upper inner wall of the shell, and the two top plates are respectively and fixedly connected to the output ends of the two fixed cylinders.
The limiting component comprises two limiting plates, two sliding grooves and a moving plate, the two limiting plates are fixedly connected to two sides of the upper inner wall of the shell respectively, the two sliding grooves are formed in the tops of the two limiting plates respectively, and the centers of two ends of the moving plate are connected to the inner walls of the two sliding grooves in a sliding mode respectively.
The stretching component comprises two moving blocks, three limiting sleeves and three stretching springs, the two moving blocks are respectively connected to two ends of the inner wall of the moving plate in a sliding mode, the three stretching springs are fixedly connected to one side, close to the outer surfaces of the two moving plates, of the same distance, and the three limiting sleeves are respectively sleeved on the outer surfaces of the three stretching springs.
The traction part comprises four rotating connecting shafts and four traction rods, the four rotating connecting shafts are fixedly connected to the edge, close to the upper surface of the roller base, respectively, one ends of the four traction rods are rotatably connected to the four rotating connecting shafts respectively, and the other ends of the four traction rods are rotatably connected to two ends of the two movable blocks respectively.
The mounting groove is formed in the center of the outer surface of the shell, and the clamping groove is formed in the bottom of the inner wall of the mounting groove.
The inner wall sliding connection of mounting groove has the installation piece, the inner wall of installation piece passes through bolt fixedly connected with joint cylinder.
The output end of the clamping cylinder is fixedly connected with a triangular prism, and the outer surface of the triangular prism is connected with three connecting rods in an equidistant rotating mode close to the bottom.
Wherein, it is three the one end that the triangular prism was kept away from to the connecting rod all rotates and is connected with the joint piece, and is three the equal joint of joint piece sets up in the inner wall in joint groove.
The device comprises a mounting block, a measuring instrument and an angle adjusting rotary knob, wherein the center of the upper surface of the mounting block is in threaded connection with a rotary connecting hinge, the inner wall of the rotary connecting hinge is provided with the measuring instrument, and the center of one side of the outer surface of the rotary connecting hinge is provided with the angle adjusting rotary knob.
An overhead line diameter measuring device based on image recognition and a working method thereof comprise the following steps:
step one, installing an instrument: installing a measuring instrument in the rotary connecting hinge, fixing the measuring instrument through the angle adjusting rotary knob, installing the measuring instrument and the rotary connecting hinge on an installation block, placing the installation block into an installation groove, extending the installation block through a clamping cylinder, pushing a connecting rod through a triangular prism to clamp the clamping block and the clamping groove, and integrally installing the clamping block and the clamping groove on the shell;
step two, moving and damping: the shell is pushed to enable the whole equipment to move to a planned position, during the period, when bumping is encountered, the telescopic rod stretches or contracts, the buffer spring performs buffering and force reduction, the two moving blocks move between the moving plates and are pulled through the extension spring, and the traction rod performs position traction to ensure that the whole effect can be realized;
step three, position limiting, wherein when the device moves to a planned position, the two fixed air cylinders extend, the moving plate is balanced through the top disc, the acting force of the buffer extension spring is overcome, the moving plate is pressed downwards, the positioning feet penetrate into the ground, and the position of the whole device is fixed
Step four, adjusting the angle, and measuring: the angle between the measuring instrument and the rotary connecting hinge is adjusted by rotating the angle adjusting rotary knob, so that the angle of the measuring instrument can be used for measuring an overhead line to be measured, and the device is stored after the measurement is finished.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) according to the invention, the line diameter measuring instrument of the overhead operating conductor adopts a remote image recognition mode to measure the line diameter, is not limited by the terrain, and can measure the line diameter of the overhead line at any height and position, so that the measuring range is expanded, the measuring time is saved, and the working efficiency is improved.
(2) The overhead operation conductor diameter measuring instrument is light and convenient to operate, judgment error is less than 0.1%, the overhead operation conductor diameter measuring instrument can be used for measuring diameters of common overhead steel-cored aluminum stranded wires and bare conductors, the diameter of the conductor can be automatically calculated through simple ground operation, the operation is convenient, the measurement is accurate, the operation can be learned through simple training, and the overhead operation conductor diameter measuring instrument has wide popularization prospects.
(3) According to the invention, through the use of the buffer mechanism and the positioning mechanism, the wire diameter measuring instrument is protected by shock absorption when moving in the working process, the damage to the inside of the measuring instrument is avoided, and when the wire diameter measuring instrument is transported to a planned place, the positioning mechanism extends to fix the position, so that the detection result is prevented from being influenced by shaking in the detection process.
Drawings
FIG. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a partial cross-sectional view of a cushioning mechanism of the present invention;
FIG. 4 is a perspective view of the cushioning mechanism of the present invention;
FIG. 5 is a partial cross-sectional view of the present invention;
FIG. 6 is a partial perspective view of the present invention;
fig. 7 is a perspective view of the positioning mechanism of the present invention.
The labels in the figure are: 1. a housing; 2. a measuring instrument; 3. the connecting hinge is rotated; 4. mounting blocks; 5. mounting grooves; 6. clamping the air cylinder; 7. a clamping block; 8. fixing the air cylinder; 9. a top tray; 10. a buffer spring; 11. a limiting sleeve; 12. a roller base; 13. a triangular prism; 14. a connecting rod; 15. an extension spring; 16. a moving block; 17. a telescopic rod; 18. a draw bar; 19. rotating the connecting shaft; 20. a positioning leg; 21. moving the plate; 22. an angle-adjusting rotary knob; 23. a limiting plate; 24. a chute; 25; a clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one, with reference to fig. 1-7: an overhead wire diameter measuring device based on image recognition comprises:
a housing 1;
the buffer mechanism is arranged in the shell 1 and used for damping the vibration of the measuring device in the moving process, wherein the buffer mechanism comprises a limiting part, a stretching part, a traction part, four buffer springs 10, four telescopic rods 17 and a roller base 12, the roller base 12 is arranged on the inner wall of the shell 1 in a sliding mode and close to the bottom, the four telescopic rods 17 are respectively and fixedly connected with the edge of the upper surface of the roller base 12, the tops of the four telescopic rods 17 are respectively and fixedly connected with the upper inner wall of the shell 1, the four buffer springs 10 are respectively sleeved on the outer surfaces of the four telescopic rods 17, the bottoms of the four buffer springs 10 are fixedly connected with the upper surface of the roller base 12, and the tops of the four buffer springs 10 are fixedly connected with the upper inner wall of the shell 1; and
the positioning mechanism is arranged in the shell 1 and used for limiting the position of the measuring device, wherein the positioning mechanism comprises a positioning pin 20, two fixed cylinders 8 and two top plates 9, the positioning pin 20 is fixedly connected to the limiting part, the two fixed cylinders 8 are respectively and fixedly connected to the centers of the edges of the two sides of the upper inner wall of the shell 1, and the two top plates 9 are respectively and fixedly connected to the output ends of the two fixed cylinders 8.
In this embodiment: shell 1 is used for measuring device's installation, there is the wheel at four turnings in the bottom of gyro wheel base 12, convenient moving as a whole, telescopic link 17 is close to the center in the both sides of gyro wheel base 12 and is in the same place with buffer spring 10, the buffering about jolting under the state of vibrations, fixed cylinder 8 is in stop gear top both sides, there is the certain distance with stop gear, do not influence stop gear's use, two top dish 9's overall area is great, make two fixed cylinder 8 when the effect, do not influence the balance, it is fixed to make shell 1 fix through the effect.
Specifically, the limiting component includes two limiting plates 23, two sliding grooves 24 and a moving plate 21, the two limiting plates 23 are respectively and fixedly connected to two sides of the upper inner wall of the housing 1, the two sliding grooves 24 are respectively arranged at the tops of the two limiting plates 23, and the centers of two ends of the moving plate 21 are respectively and slidably connected to the inner walls of the two sliding grooves 24.
In this embodiment: the spacing plate 23 is spaced from the roller base 12, so that upward movement of the roller base 12 is not affected, and the center of the two ends of the moving plate 21 is provided with a protruding sliding block corresponding to the sliding groove 24 for position limitation.
Specifically, the stretching part comprises two moving blocks 16, three limiting sleeves 11 and three stretching springs 15, the two moving blocks 16 are respectively connected to two ends of the inner wall of the moving plate 21 in a sliding mode, the three stretching springs 15 are fixedly connected to one side, close to each other, of the outer surfaces of the two moving plates 21 in an equidistant mode, and the three limiting sleeves 11 are respectively sleeved on the outer surfaces of the three stretching springs 15.
In this embodiment: the opposite sides of the two moving blocks 16 are provided with supporting rods which are connected with the extension springs 15 for position extension, and the position of the extension springs 15 is limited by the limiting sleeves 11 without mutual influence.
Specifically, the traction part comprises four rotating connecting shafts 19 and four traction rods 18, the four rotating connecting shafts 19 are respectively and fixedly connected to the edge, close to the upper surface of the roller base 12, one ends of the four traction rods 18 are respectively and rotatably connected to the four rotating connecting shafts 19, and the other ends of the four traction rods 18 are respectively and rotatably connected to two ends of the two movable blocks 16.
In this embodiment: the traction rod 18, the rotating connecting shaft 19 and the moving block 16 are rotated, so that the change of the traction rod and the moving block is convenient along with the change of the position.
Specifically, the outer surface center of the housing 1 is provided with a mounting groove 5, and the bottom of the inner wall of the mounting groove 5 is provided with a clamping groove 25.
In this embodiment: mounting groove 5 is integrative with joint groove 25, and joint groove 25 is in mounting groove 5 below, and joint groove 25 presents the round platform shape, facilitates the use.
Specifically, the inner wall of mounting groove 5 has installation piece 4, and the inner wall of installation piece 4 passes through bolt fixedly connected with joint cylinder 6.
In this embodiment: the mounting block 4 wall mounting groove 5 is slightly little, conveniently carries out erection joint, and joint cylinder 6 is main power, and the selection on the market can be carried out as required.
Specifically, the output end of the clamping cylinder 6 is fixedly connected with a triangular prism 13, and the outer surface of the triangular prism 13 close to the bottom is connected with three connecting rods 14 in an equidistant rotating mode.
In this embodiment: three connecting rods 14 are arranged on three surfaces of the triangular prism 13, and the three connecting rods are connected through spherical hinges, so that the flexibility is better.
Specifically, the one end that triangular prism 13 was kept away from to three connecting rod 14 all rotates and is connected with joint piece 7, and three joint piece 7 all the joint sets up in the inner wall of joint groove 25.
In this embodiment: the three connecting rods 14 are connected with the three clamping blocks 7 through spherical hinges, so that the clamping air cylinder 6 is not influenced by angles among the connecting rods 14, the clamping blocks 7 and the clamping grooves 25 when being contracted.
Specifically, the center of the upper surface of the mounting block 4 is in threaded connection with a rotary connecting hinge 3, the inner wall of the rotary connecting hinge 3 is provided with a measuring instrument 2, and the center of one side of the outer surface of the rotary connecting hinge 3 is provided with an angle adjusting rotary knob 22.
In this embodiment: the measuring instrument 2 is internally provided with a high-precision photoelectric coupler, based on remote image identification, the wire diameter operation is carried out on the area of a pixel point of a known reference object through calculation, the wire diameter is finally converted through the area of the pixel point occupied by a wire to be measured, and the measuring instrument 2 adopts a TCD2252D type linear array CCD which is a color linear array CCD image sensor with a high-sensitivity, low-dark-current and 2700-pixel built-in sample-and-hold circuit, parallel light beams emitted by an optical system are used for irradiating the TCD2252D, when a measured object is placed in front of a photosensitive window of the TCD2252D, shadow is formed at the corresponding position of the photosensitive window of the CCD due to the shielding of the measured object, so that the corresponding position of a CCD output signal is sunken, the width of the sunken position is in direct proportion to the diameter of the measured object, a binarization signal is obtained by carrying out on the single chip microcomputer, and an integration time signal SH is input as a synchronization signal, taking one path of output signal of TCD2252D as a counting start signal, inputting the output signal of the pixel thus blocked into NOT gate from low level, then inputting the output signal and the transfer pulse Φ 1 signal into a single chip microcomputer after passing through the AND gate, the single chip microcomputer counting the high level of the signal output by the AND gate, multiplying the count value N by the pixel length L to obtain an intermediate line diameter value M, taking the integration time signal SH as a synchronization signal, and the result of counting the high level of the signal output by the AND gate also contains a part of invalid high level, which is determined by the time sequence relation between the integration time SH and the transfer pulse Φ 1, so that the obtained real line diameter value D also needs to be subtracted by the intermediate line diameter value M by the invalid length Δ D caused by the part of invalid signal, D = M- Δ D = N × L- Δ D, and finally displaying the obtained line diameter value D on a display screen, the angle between the rotary connecting hinge 3 and the measuring instrument 2 is adjusted by the angle adjusting rotary button 22, the angle between the rotary connecting hinge 3 and the measuring instrument 2 is adjusted, and the most suitable angle is selected for measurement.
When in use: step one, installing an instrument: install measuring apparatu 2 in rotating connection hinge 3 to fix through angle modulation knob 22, install installation piece 4 together with rotating connection hinge 3, put into mounting groove 5 with installation piece 4, extend by joint cylinder 6, promote connecting rod 14 through triangular prism 13, make joint piece 7 and joint groove 25 joint, integral erection is on shell 1, step two, removal shock attenuation: promote shell 1 and make whole equipment remove to the position of planning, in the meantime, when meeting jolting, telescopic link 17 is flexible or shrink, buffer spring 10 cushions the power of subtracting, two movable blocks 16 move between movable plate 21, pull through extension spring 15, and, traction lever 18 carries out the position and holds back, it can realize to guarantee the whole effect, step three, the position is injectd, when moving planning the position, two fixed cylinder 8 extend, reach balanced movable plate 21 through the head disc 9, and overcome the effort of buffering extension spring 15, push down movable plate 21, make location foot 20 go deep into ground, carry out the holistic rigidity of device, step four, angle of adjustment, measure: the angle between the measuring instrument 2 and the rotary connecting hinge 3 is adjusted by rotating the angle adjusting rotary knob 22, so that the angle of the measuring instrument 2 can be used for measuring an overhead line to be measured, and the device is stored after the measurement is finished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an overhead line footpath measuring device based on image recognition which characterized in that includes:
a housing (1);
the buffer mechanism is arranged in the shell (1) and is used for damping the vibration of the measuring device in the moving process, wherein the buffer mechanism comprises a limiting component, a stretching component, a traction component, four buffer springs (10), four telescopic rods (17) and a roller base (12), the roller base (12) is arranged on the inner wall of the shell (1) close to the bottom in a sliding way, the four telescopic rods (17) are respectively and fixedly connected with the edge of the upper surface of the roller base (12), the tops of the four telescopic rods (17) are fixedly connected with the upper inner wall of the shell (1), the four buffer springs (10) are respectively sleeved on the outer surfaces of the four telescopic rods (17), the bottoms of the four buffer springs (10) are fixedly connected to the upper surface of the roller base (12), and the tops of the four buffer springs (10) are fixedly connected to the upper inner wall of the shell (1); and
positioning mechanism locates in shell (1) for measuring device's position is injectd, wherein, positioning mechanism is including location foot (20), two fixed cylinder (8) and two top dish (9), location foot (20) fixed connection is on stop block, two fixed cylinder (8) fixed connection is close to both sides edge center department in the last inner wall of shell (1) respectively, two top dish (9) fixed connection is respectively in the output of two fixed cylinder (8).
2. The overhead line diameter measuring device based on the image recognition is characterized in that the limiting component comprises two limiting plates (23), two sliding grooves (24) and a moving plate (21), the two limiting plates (23) are respectively and fixedly connected to two sides of the upper inner wall of the shell (1), the two sliding grooves (24) are respectively arranged at the tops of the two limiting plates (23), and the centers of two ends of the moving plate (21) are respectively and slidably connected to the inner walls of the two sliding grooves (24).
3. The image recognition-based overhead line diameter measuring device according to claim 2, wherein the stretching component comprises two moving blocks (16), three limiting sleeves (11) and three stretching springs (15), the two moving blocks (16) are respectively connected to two ends of the inner wall of the moving plate (21) in a sliding manner, the three stretching springs (15) are fixedly connected to one side, close to each other, of the outer surfaces of the two moving plates (21) at equal intervals, and the three limiting sleeves (11) are respectively sleeved on the outer surfaces of the three stretching springs (15).
4. The image recognition-based overhead line diameter measuring device according to claim 3, wherein the traction part comprises four rotating connecting shafts (19) and four traction rods (18), the four rotating connecting shafts (19) are respectively and fixedly connected to the edge of the upper surface of the roller base (12), one ends of the four traction rods (18) are respectively and rotatably connected to the four rotating connecting shafts (19), and the other ends of the four traction rods (18) are respectively and rotatably connected to two ends of the two moving blocks (16).
5. The image recognition-based overhead line diameter measuring device according to claim 4, wherein a mounting groove (5) is formed in the center of the outer surface of the housing (1), and a clamping groove (25) is formed in the bottom of the inner wall of the mounting groove (5).
6. The image recognition-based overhead line diameter measuring device according to claim 5, wherein an installation block (4) is slidably connected to the inner wall of the installation groove (5), and a clamping cylinder (6) is fixedly connected to the inner wall of the installation block (4) through a bolt.
7. The overhead line diameter measuring device based on image recognition according to claim 6, wherein the output end of the clamping cylinder (6) is fixedly connected with a triangular prism (13), and three connecting rods (14) are rotatably connected to the outer surface of the triangular prism (13) at equal intervals close to the bottom.
8. The image recognition-based overhead line diameter measuring device according to claim 6, wherein clamping blocks (7) are rotatably connected to the ends, away from the triangular prism (13), of the three connecting rods (14), and the three clamping blocks (7) are clamped and arranged on the inner wall of the clamping groove (25).
9. The image recognition-based overhead line diameter measuring device according to claim 6, wherein a rotary connecting hinge (3) is connected to the center of the upper surface of the mounting block (4) in a threaded manner, the measuring instrument (2) is mounted on the inner wall of the rotary connecting hinge (3), and an angle adjusting rotary knob (22) is mounted at the center of one side of the outer surface of the rotary connecting hinge (3).
10. An overhead wire diameter measuring device based on image recognition and a working method thereof are characterized in that the overhead wire diameter measuring device based on image recognition is used, and comprises the following steps:
s1, installing an instrument: the measuring instrument (2) is arranged in the rotary connecting hinge (3) and is fixed through the angle adjusting rotary button (22), the measuring instrument and the rotary connecting hinge (3) are arranged on the installation block (4), the installation block (4) is placed in the installation groove (5), the clamping cylinder (6) extends, the connecting rod (14) is pushed through the triangular prism (13), the clamping block (7) is clamped with the clamping groove (25), and the whole measuring instrument is arranged on the shell (1);
s2, moving and damping: the shell (1) is pushed to enable the whole equipment to move to a planned position, during the period, when bumping is encountered, the telescopic rod (17) stretches or contracts, the buffer spring (10) buffers and reduces the force, the two moving blocks (16) move between the moving plates (21) and are pulled through the extension spring (15), and the traction rod (18) performs position traction to ensure that the whole effect can be realized;
s3, position limitation, wherein when the device moves to a planned position, the two fixed air cylinders (8) extend, the moving plate (21) is balanced through the top disc (9), the moving plate (21) is pressed downwards to overcome the acting force of the buffer extension spring (15), the positioning feet (20) penetrate into the ground, and the position fixation of the whole device is carried out
And S4, adjusting the angle, and measuring: the angle between the measuring instrument (2) and the rotary connecting hinge (3) is adjusted by rotating the angle adjusting rotary button (22), so that the angle of the measuring instrument (2) can be measured on the overhead line to be measured, and the device is stored after the measurement is finished.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111432152.5A CN114353681A (en) | 2021-11-29 | 2021-11-29 | Overhead line diameter measuring device based on image recognition and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111432152.5A CN114353681A (en) | 2021-11-29 | 2021-11-29 | Overhead line diameter measuring device based on image recognition and working method thereof |
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| 胡靖华;夏泽飞;石城;: "基于TCD2252D的线径测量仪研究", 长江大学学报(自科版)理工卷, no. 03, 15 September 2007 (2007-09-15) * |
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