CN112595210A - Overhead conductor radius detection device - Google Patents
Overhead conductor radius detection device Download PDFInfo
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- CN112595210A CN112595210A CN202011339350.2A CN202011339350A CN112595210A CN 112595210 A CN112595210 A CN 112595210A CN 202011339350 A CN202011339350 A CN 202011339350A CN 112595210 A CN112595210 A CN 112595210A
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- overhead conductor
- detection device
- handheld rod
- tangent
- plates
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
Abstract
The invention relates to the technical field of electrical detection equipment, and particularly discloses an overhead conductor radius detection device which comprises a handheld rod, two opposite cutting plates and a measurement mechanism. The tangent plates are arranged at the top end of the handheld rod, the central line of the included angle of the two tangent plates is overlapped with the central line of the handheld rod, and the measuring mechanism comprises a butt piece and a brake assembly. The abutting part is arranged between the two tangent plates and can slide along the extending direction of the handheld rod relative to the handheld rod, and the brake component is used for fixing the abutting part and the handheld rod. When the overhead conductor is abutted to the abutting part and is tangent to the two tangent plates, the abutting part is fixed by the braking assembly, and the distance from the abutting point to the intersection point D of the extension lines of the two tangent plates is L. The included angle of the two tangent plates is 2 alpha, the circle center of the overhead conductor is O, the radius is R, the tangent points of the overhead conductor and the two tangent plates are B and C respectively, the distance between the delta OBD and the two tangent plates is a right-angle triangle, the distance between the OD and the sum of L and R, and the radius of the overhead conductor can be obtained according to a trigonometric function.
Description
Technical Field
The invention relates to the technical field of electrical detection equipment, in particular to an overhead conductor radius detection device.
Background
With the continuous development of transmission and distribution network line net racks, the statistics of the equipment account data of transmission and distribution conductor lines is more and more perfect, but the account data of old lines in operation at present are relatively lost and distorted, so that the measurement and statistics need to be carried out again, the equipment account information is established, and data support is provided for the line operation and maintenance work in the future; the path of the wire is taken as one of important factors influencing the maximum load which can be borne by the power distribution overhead line, the path of the wire is accurately measured, important data support can be provided for later-stage line newly-added load, line transformation and the like, but at present, the path of the overhead electrified wire can only be identified by human eyes and judged by experience, and no instrument can accurately measure the path of the overhead electrified wire.
Therefore, a detection device with a simple structure and portability is needed to measure the radius of the overhead conductor so as to complete the data statistics of the overhead conductor.
Disclosure of Invention
The invention aims to provide an overhead conductor radius detection device which is simple in structure and convenient to carry, is used for measuring the radius of a live overhead conductor, is convenient for adjusting the load of a power distribution overhead line and plays the role of the overhead conductor with the maximum efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
an overhead wire radius detection device, comprising:
a hand-held wand;
the two tangent plates are oppositely arranged and are arranged at the top end of the handheld rod, and the central line of the included angle of the two tangent plates is superposed with the central line of the handheld rod;
a measurement mechanism comprising:
the abutting piece is arranged between the two cutting plates and can slide along the extending direction of the handheld rod relative to the handheld rod, and the abutting piece is used for abutting against an overhead conductor;
a brake assembly for securing the abutment and the hand-held lever.
Preferably, the abutment comprises:
the abutting plates are arranged on the central lines of the two mutually-cut plates and are used for abutting against the overhead conductor;
the sliding rod is connected to the lower surface of the abutting plate and can slide along the extending direction of the handheld rod.
Preferably, the abutting piece is provided with a scale bar, and the upper end of the handheld rod is provided with a reading reference line.
Preferably, the handheld rod is provided with an observation window corresponding to the scale bar and used for reading the numerical value on the scale bar.
Preferably, the brake assembly comprises:
the braking part is hinged with the handheld rod, one end of the braking part is provided with a clamping block, and the abutting part is provided with at least two clamping grooves which are arranged along the extending direction of the handheld rod;
the brake spring is connected with the handheld rod and the brake part and can drive the clamping block to be clamped into the clamping groove;
the reset piece is connected with the other end of the braking piece and used for driving the clamping block to move in the direction back to the clamping groove.
Preferably, the measuring mechanism further includes:
and two ends of the elastic element are respectively connected to the handheld rod and the abutting part and used for driving the abutting part to reset.
Preferably, the clamping block of the brake assembly is a wedge-shaped block, and the clamping groove is a V-shaped groove matched with the wedge-shaped block. Preferably, the length of the hand-held lever is adjustable.
Preferably, the handheld rod comprises at least two connecting rods and a sleeve, and two adjacent connecting rods are detachably connected with the sleeve respectively.
Preferably, the upper end of the handheld rod is provided with an installation cavity, and part of the measuring mechanism is arranged in the installation cavity.
The invention has the beneficial effects that:
the invention provides an overhead conductor radius detection device which comprises a handheld rod, two tangent plates and a measuring mechanism, wherein the two tangent plates are oppositely arranged. The handheld rod is used for supporting the detection device and increasing the height of the device, so that the radius of the overhead conductor can be conveniently measured. The measuring mechanism comprises a supporting part and a braking assembly, when the overhead conductor is supported on the supporting part in a supporting mode, the supporting part slides along the extending direction of the handheld rod under the acting force of the overhead conductor until the overhead conductor is tangent to the two tangent plates, the braking assembly fixes the supporting part, and the distance L from the supporting part to the point, where the extension lines of the two tangent plates intersect with the center line of the handheld rod, is obtained. Because the included angle of the two tangent plates is 2 alpha, the circle center of the overhead conductor is O radius which is R, two points of the overhead conductor tangent to the two tangent plates are B and C respectively, the point of the two tangent plates, where the extension lines of the two tangent plates intersect at the center line, is D, at this time, the angle OBD is a right angle, namely delta OBD is a right triangle, because the center line of the included angle of the tangent plates is coincident with the center line of the handheld rod, the distance of OD is the sum of L and R, the distance of OB is R, and the radius of the overhead conductor can be obtained according to a trigonometric function.
The overhead conductor radius detection device is simple in structure and convenient to carry, so that the detection device is widely applied.
Drawings
FIG. 1 is a schematic structural diagram of an overhead conductor radius detection device provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of the clamping block and the clamping slot provided in the embodiment of the present invention when they are separated;
fig. 3 is a schematic structural diagram of detection by an overhead conductor radius detection device according to an embodiment of the present invention.
In the figure:
1. an overhead conductor;
2. a hand-held wand; 21. an observation window; 22. a kit; 23. an insulating rod;
3. cutting the plates;
4. a measuring mechanism; 41. an abutting member; 411. a butt joint plate; 412. a slide bar; 413. a scale bar; 414. a card slot; 42. a brake assembly; 421. a stopper; 4211. a clamping block; 422. a brake spring; 423. a reset member; 43. an elastic element.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the present invention, the directional terms such as "upper", "lower", "left", "right", "inner" and "outer" are used for easy understanding without making a contrary explanation, and thus do not limit the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The embodiment provides an overhead conductor radius detection device for measuring overhead old and old conductor radius under the electrified condition, with complete old and old overhead conductor's line data statistics, establish old equipment machine account information, provide data support for circuit operation maintenance work from now on, in order to distribute and reform transform the old and old overhead conductor accurately, adjust distribution overhead line's load, the effect of the performance wire of maximum efficiency. The overhead conductor radius detection device is simple in structure, does not need to be powered off or limited by the overhead of the conductor, is convenient to carry and operate, and facilitates workers to obtain the radius of the conductor quickly.
As shown in fig. 1 to 3, the present invention provides an overhead wire radius detection device, which includes a handheld rod 2, two opposite cutting plates 3, and a measuring mechanism 4. The staff holds the handheld rod 2 to lift up the detection device, makes the overhead conductor 1 butt in the measuring mechanism 4 of handheld rod 2 upper end, and after upwards moving to overhead conductor 1 and two tangent boards 3 tangent back, can acquire the distance L of the intersection point of the centre of a circle of overhead conductor 1 to two tangent boards 3 extension lines this moment through measuring mechanism 4. Because the included angle of the two tangent plates 3 which are oppositely arranged is fixed, the overhead conductor 1 is abutted to the measuring mechanism 4 and is tangent to the two tangent plates 3, and therefore the radius of the overhead conductor 1 can be obtained according to a function law.
Preferably, the hand-held pole 2 is used to support the detection device and increase the height of the device, facilitating the measurement of the radius of the overhead conductor 1. Two tangent plates 3 which are oppositely arranged are arranged at the top end of the handheld rod 2, so that the overhead conductor 1 is tangent to the two tangent plates 3; and the central line of the included angle of the two tangent plates 3 is superposed with the central line of the handheld rod 2, so that the center of the overhead conductor 1 is positioned on the superposed central line, and the radius of the overhead conductor 1 can be calculated conveniently. The measuring mechanism 4 is arranged at the top end of the handheld rod 2 and is located on the central line of the handheld rod 2, the overhead conductor 1 is abutted to the measuring mechanism 4, when the overhead conductor 1 is measured to be tangent to the two tangent plates 3 through the measuring mechanism 4, the distance L from the circle center of the overhead conductor 1 to the intersection point of the extension lines of the two tangent plates 3 is obtained, and then the radius of the overhead conductor 1 is obtained through a trigonometric function. Optionally, to avoid detection errors, multiple measurements at different positions may be performed on the same section of overhead conductor 1 to obtain an accurate value thereof, so as to reduce errors.
Specifically, as shown in fig. 1, the measuring mechanism 4 includes an abutment 41 and a brake assembly 42. The contact member 41 is provided between the two cutting plates 3 and is used for contacting the overhead conductor 1. The abutting piece 41 can slide relative to the handheld rod 2 along the extending direction of the handheld rod until the overhead conductor 1 is tangent to the two tangent plates 3 at the same time, and the braking component 42 fixes the abutting piece 41 and the handheld rod 2, so that the distance L of the point where the extension lines of the abutting piece 41 and the two tangent plates 3 intersect with the center line of the handheld rod 2 is obtained. Because the included angle of the two tangent plates 3 is 2 alpha, the circle center of the overhead conductor 1 is O radius and is R, two points of tangency between the overhead conductor 1 and the two tangent plates 3 are B and C respectively, the intersection point of the extension lines of the two tangent plates 3 is D, at the moment, because the overhead conductor 1 is tangent to the two tangent plates 3, the angle OBD is a right angle, namely a right-angled triangle of delta OBD, because the central lines of the two tangent plates 3 are superposed with the central line of the handheld rod 2, the distance of OD is the sum of L and R, the distance of OB is R, the radius R of the overhead conductor 1 can be obtained according to a trigonometric function, namely the radius R is the sum of L and R
For the sake of calculation, α is optionally chosen to be a specific angle of 19.47 °, and sin19.47 ° -1/3 can be known by trigonometric function, i.e. radius R is L/2. Of course, the angle α is not particularly limited, and is within the scope of the present invention as long as the calculation is simple.
When the removal detection device facilitates reading the value of the overhead conductor 1, the brake assembly 42 preferably comprises a brake member 421 and a brake spring 422. One end of the braking member 421 is provided with a clamping block 4211, the abutting member 41 is provided with at least two clamping grooves 414 arranged along the extending direction of the handheld rod 2, the braking spring 422 is connected to the handheld rod 2 and one side of the braking member 421 departing from the clamping block 4211, and the braking spring 422 can drive the clamping block 4211 to be clamped into the clamping grooves 414, so that the abutting member 41 can move downwards.
Optionally, since the radius of the existing overhead conductor 1 is a standard radius, the position of each clamping groove 414 is adapted to the overhead conductor 1 with different specifications, so that a worker can conveniently and quickly obtain the radius of the corresponding overhead conductor 1 by clamping the clamping block 4211 at the position of the clamping groove 414.
When taking off detection device and reading the numerical value of overhead conductor 1, in order to prevent the reset of butt piece 41, guarantee detection device's reading reliability, optionally, on braking piece 421 articulated and handheld pole 2, butt piece 41 received the downward effort of overhead conductor 1, can push joint piece 4211 compression brake spring 422 to make joint piece 4211 break away from the fluting, thereby make butt piece 41 can move down.
When the numerical value of the detection device needs to be read, the detection device is taken down, the abutting part 41 is far away from the overhead conductor 1, the clamping block 4211 in the braking part 421 is clamped in the clamping groove 414 under the action of the braking spring 422, the braking spring 422 abuts against the clamping block, the abutting part 41 is prevented from resetting under the combined action of the clamping of the braking spring 422 and the clamping block 4211 in the clamping groove 414, and the indication number of the detection device is guaranteed to be unchanged in the downward moving process, so that the measurement result is accurate and reliable.
As shown in fig. 2, to ensure that only one-way sliding occurs during downward movement of the abutting member 41, it is preferable that the clamping groove 414 is a V-shaped groove, the V-shaped groove includes two opposite side walls, one side wall far away from the overhead conductor 1 is horizontal, the other side wall is an inclined surface, the clamping block 4211 is a wedge-shaped block, one side wall of the wedge-shaped block close to the overhead conductor 1 is a wedge-shaped surface, and the other side wall is a plane, and the wedge-shaped surface is matched with the inclined surface. The inclined surface of the clamping groove 414 enables the detection device to be abutted against the inclined surface through the wedge-shaped surface under the action of the overhead conductor 1, so that the clamping block 4211 compresses the brake spring 422, and the abutting part 41 slides downwards; when the plane of the clamping block 4211 abuts against the horizontal side wall of the V-shaped groove, the braking spring 422 drives the clamping block 4211 to enter the clamping groove 414. When the value needs to be read, the detection device is taken down, and the upward movement of the abutting part 41 is braked under the combined action of the horizontal side wall of the clamping groove 414, the braking spring 422 and the plane of the clamping block 4211, so that the value of the measuring mechanism 4 can be prevented from moving, and the real reliability of the obtained data is ensured. The joint of V type groove and wedge can guarantee promptly that butt 41 is unidirectional motion downwards under the effort of overhead conductor 1, and simultaneously, when overhead conductor 1 kept away from butt 41, butt 41 does not take place to remove to the joint piece 4211 of wedge and draw-in groove 414's simple structure, the joint is effectual and sensitivity is high, just with the radius of measuring overhead conductor 1. Of course, the specific structure of the braking member 42 is not particularly limited as long as the one-way sliding of the abutment member 41 can be ensured.
In order to facilitate next measurement, specifically, the braking assembly 42 further includes a resetting member 423, the resetting member 423 is connected to one end of the braking member 421, which is far away from the clamping block 4211, and is used for driving the clamping block 4211 to move in a direction away from the clamping groove 414, so that the clamping block 4211 is separated from the clamping groove 414, and the abutting member 41 moves upwards to reset. The detection device may reset the abutment member 41 by an external force or other means so that the next time the detection device is used, it is sufficient to measure directly.
To ensure that the abutment 41 can be automatically reset, the measuring mechanism 4 preferably further comprises an elastic element 43, both ends of the elastic element 43 being connected to the hand-held lever 2 and the abutment 41, respectively, for driving the abutment 41 to reset. When the abutting member 41 slides downwards, the elastic element 43 at the lower end of the abutting member 41 is compressed, and when the resetting member 423 drives the clamping member to move away from the clamping groove 414, the tension of the elastic element 43 drives the abutting member 41 to move upwards for resetting, so that extra force is not required to help the abutting member 41 to reset. Alternatively, the elastic element 43 may be a spring, which is not particularly limited herein, as long as it can ensure that the abutting member 41 automatically resets under the action of the resetting member 423.
In order to facilitate the abutment of the overhead conductor 1 with the abutment 41 when measuring the overhead conductor 1, the abutment 41 preferably comprises an abutment plate 411. Butt joint board 411 is used for butt overhead conductor 1, the butt joint point is the E point, butt joint point E sets up on two tangent lines of looks tangent plate 3, butt joint point E, centre of a circle O and point D are at the central line of coincidence, O point promptly, E point and D point are on a straight line, be convenient for calculate overhead conductor 1's radius R for L + R with the distance of guaranteeing OD, butt joint board 411's simple structure is convenient for manufacture, and tangent with overhead conductor 1 when playing the effect of supporting overhead conductor 1.
Specifically, in order to facilitate the overhead conductor 1 to abut against the abutting plate 411 and to be simultaneously tangent to the two tangent plates 3, optionally, the abutting part 41 further includes a sliding rod 412, the sliding rod 412 is connected to the lower surface of the abutting plate 411 and can slide along the extending direction of the handheld rod 2, so that the overhead conductor 1 abuts against the abutting plate 411, the abutting plate 411 and the sliding rod 412 can slide downward under the acting force of the overhead conductor 1, and the overhead conductor 1 is moved to be simultaneously tangent to the two tangent plates 3, so that the radius of the overhead conductor 1 can be obtained according to a trigonometric function. The abutting piece 41 has a simple structure and low cost, and is convenient for mass production and manufacturing.
To facilitate the measurement of the distance L of DE, preferably a graduated strip 413 is provided on the abutment member 41 and a reading reference line is provided at the upper end of the hand lever 2, one can obtain the distance L by reading the reading of the reference line to the graduated strip 413. Of course, the reading reference line may be disposed at other positions as long as the accuracy of the data and the convenience of measurement can be ensured.
To facilitate reading the distance L of DE, the hand-held lever 2 is preferably provided with a viewing window 21 corresponding to the scale bar 413 for reading the value on the scale bar 413. Namely, the position of the D point on the handheld rod 2 is provided with an observation window 21, the upper end of the handheld rod 2 is provided with a reading reference line, the distance L of DE is the distance from the reference line to the observation window 21, and the reference line is positioned at the upper end of the handheld rod 2, so the reading number of the observation position is the value of L.
To ensure that the overhead conductor radius detection device can be adapted to overhead conductors 1 at a variety of heights, the length of the hand-held rod 2 is preferably adjustable. When being located higher air wire 1, can adapt to the air wire 1 of different heights through the length of adjusting handheld pole 2, the range of application is wide, does not receive the restriction of air wire 1 height.
In order to adjust the length of the handheld rod 2, preferably, the handheld rod 2 includes at least two connecting rods and a sleeve 22, and two adjacent connecting rods are detachably connected to the sleeve 22, detachably connected to facilitate carrying of the detection device, and facilitating maintenance and replacement of the detection device, and the detection device can be used repeatedly.
In order to facilitate the compact structure of the overhead conductor radius detection device, preferably, the upper end of the handheld rod 2 is provided with a mounting cavity, and part of the measuring mechanism 4 is arranged in the mounting cavity. Part of the measuring mechanism 4 is arranged in the installation cavity, so that the compact structure of the detection device is ensured, and the detection device is not interfered by external environments (such as wind and other factors), so that the reading of the measuring mechanism 4 has reliability.
Example two
The second embodiment is basically the same as the first embodiment, and differs from the first embodiment in the specific structure of the handheld rod 2.
In order to facilitate the compactness of the radius detection device for the overhead conductor, optionally, the two tangent plates 3 and the upper end of the handheld rod 2 are of an integral structure, so that the detection device is convenient to carry and replace while the included angle between the two tangent plates 3 is ensured to be certain.
Preferably, the hand-held lever 2 comprises an inner sleeve and an outer sleeve which are slidably received and provided with a plurality of matching threaded holes for securing the inner sleeve by fasteners such as bolts when the inner sleeve is extended. Alternatively, the specific extension and fixing of the hand-held rod 2 are not limited, and it is within the scope of the present application to ensure that the length of the hand-held rod 2 is adjustable and fixed within a certain length.
The overhead conductor radius detection device is made by insulating material, also can set up an insulating rod 23 at the lower extreme of handheld pole 2, electrocutes when avoiding using people to use detection device to and contact with overhead conductor 1 insulating material for butt part, do not do specific restriction here, as long as can guarantee the security of using the device and do not influence the work of overhead conductor 1.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An overhead wire radius detection device, comprising:
a hand-held lever (2);
the cutting device comprises two opposite cutting plates (3), wherein the cutting plates (3) are arranged at the top end of the handheld rod (2), and the central line of the included angle of the two cutting plates (3) is superposed with the central line of the handheld rod (2);
measuring means (4) comprising:
the abutting piece (41) is arranged between the two cutting plates (3) and can slide along the extending direction of the handheld rod (2), and the abutting piece (41) is used for abutting against an overhead conductor (1);
a brake assembly (42) for securing the abutment (41) and the hand-held lever (2).
2. The overhead conductor radius detection device according to claim 1, characterized in that the abutment (41) comprises:
the abutting plates (411) are arranged on the central lines of the two cutting plates (3) and are used for abutting against the overhead conductor (1);
and the sliding rod (412) is connected to the lower surface of the abutting plate (411) and can slide along the extending direction of the handheld rod (2).
3. The overhead conductor radius detection device according to claim 2, characterized in that a scale bar (413) is provided on the abutment member (41), and a reading reference line is provided at an upper end of the hand-held lever (2).
4. The overhead conductor radius detection device according to claim 3, characterized in that the handheld rod (2) is provided with a viewing window (21) corresponding to the graduated strip (413) for reading the value on the graduated strip (413).
5. The overhead conductor radius detection device according to any one of claims 1-4, characterized in that the brake assembly (42) comprises:
the braking piece (421) is hinged to the handheld rod (2), one end of the braking piece (421) is provided with a clamping block (4211), and the abutting piece (41) is provided with at least two clamping grooves (414) which are arranged along the extending direction of the handheld rod (2);
the brake spring (422) is connected with the handheld rod (2) and the brake piece (421), and the brake spring (422) can drive the clamping block (4211) to be clamped into the clamping groove (414);
the resetting piece (423) is connected with the other end of the braking piece (421) and used for driving the clamping block (4211) to move towards the direction back to the clamping groove (414).
6. The overhead conductor radius detection device according to claim 5, characterized in that the measuring mechanism (4) further comprises:
the two ends of the elastic element (43) are respectively connected to the handheld rod (2) and the abutting piece (41) and used for driving the abutting piece (41) to reset.
7. The overhead conductor radius detection device of claim 6, characterized in that the clamping blocks (4211) of the brake assembly (42) are wedge-shaped blocks, and the clamping grooves (414) are V-shaped grooves matched with the wedge-shaped blocks.
8. The overhead conductor radius detection device according to any of claims 1-4, characterized in that the length of the hand-held rod (2) is adjustable.
9. The overhead conductor radius detection device according to claim 8, characterized in that the handheld bar (2) comprises at least two connecting bars and a sleeve (22), and two adjacent connecting bars are detachably connected with the sleeve (22), respectively.
10. The overhead conductor radius detection device according to any one of claims 1-4, characterized in that the upper end of the handheld pole (2) is provided with a mounting cavity, in which a part of the measuring mechanism (4) is arranged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339350.2A CN112595210B (en) | 2020-11-25 | 2020-11-25 | Overhead conductor radius detection device |
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| CN202011339350.2A CN112595210B (en) | 2020-11-25 | 2020-11-25 | Overhead conductor radius detection device |
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| CN112595210A true CN112595210A (en) | 2021-04-02 |
| CN112595210B CN112595210B (en) | 2023-02-17 |
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Cited By (1)
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| CN115338767A (en) * | 2022-10-18 | 2022-11-15 | 江苏佳晟精密设备科技有限公司 | Feeding device and method of polishing machine |
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| CN115338767A (en) * | 2022-10-18 | 2022-11-15 | 江苏佳晟精密设备科技有限公司 | Feeding device and method of polishing machine |
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