CN112525083B - Power line sag detection device - Google Patents
Power line sag detection device Download PDFInfo
- Publication number
- CN112525083B CN112525083B CN202011375279.3A CN202011375279A CN112525083B CN 112525083 B CN112525083 B CN 112525083B CN 202011375279 A CN202011375279 A CN 202011375279A CN 112525083 B CN112525083 B CN 112525083B
- Authority
- CN
- China
- Prior art keywords
- power line
- plate
- sag
- base
- electric telescopic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0625—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating with measurement of absorption or reflection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The embodiment of the invention discloses a power line sag detection device, which comprises a base and a plurality of universal wheels with braking functions, wherein the universal wheels are symmetrically arranged at the bottom of the base; according to the invention, the lowest point of the power line wire is positioned on the ground by utilizing the adjusting component, the radio wave distance measuring device directly measures the sag to the ground after the adjusting component is positioned to the lowest point of the power line wire, and the final sag value is obtained through the height of the suspension point of the power line wire and the sag to the ground, so that the danger caused by the need of climbing of an operator is avoided, the efficiency is higher, and the remote operation is safer through the wireless control component.
Description
Technical Field
The embodiment of the invention relates to the technical field of cable detection, in particular to a sag detection device for a power line.
Background
The sag refers to the vertical distance between the lowest point of a wire and a connecting line between two suspension points when the suspension heights of the wires on two adjacent base electric poles are the same on a flat ground, generally, when the transmission distance is far, a slight sag can be formed due to the dead weight of the wires, and the wires are in the shape of a catenary.
Sag is the main index of power line operation safety, if power line's sag is not conform to the regulation requirement, can lead to wire stress to exceed the allowable value and cause broken string ground fault even alternate short circuit, current be used for carrying out the device that detects to power line sag, no matter whether the height that hangs the wire between two adjacent shaft towers is the same, operating means carries out the sag detection on the shaft tower, but this kind of detection mode needs the operator to climb to the high department and detects, comparatively dangerous, especially to the power line of the flat department of relief, and power line hangs highly the same on the shaft tower, this kind of detection mode is not only dangerous, and it makes detection efficiency lower to climb the height detection, consequently, need design a power line sag detection device.
Disclosure of Invention
Therefore, the embodiment of the invention provides a power line sag detection device, which solves the problems that the existing device for detecting the sag of the power line is low in efficiency when the ground is flat and the suspension heights of the power line are the same, and climbing is dangerous.
In order to achieve the above object, an embodiment of the present invention provides the following:
a power line sag detection device comprises a base and a plurality of universal wheels with braking functions, wherein the universal wheels are symmetrically arranged at the bottom of the base, a line distance measuring mechanism for measuring sag of a power line is arranged on the base, and a rechargeable battery pack for providing power support for the line distance measuring mechanism and a wireless control component for controlling the operation of the line distance measuring mechanism are arranged in the base;
the circuit range finding mechanism is including installing the adjusting part on the base and installing the radio wave range unit who is used for surveing the power line to the ground arc on the adjusting part, just the adjusting part is used for fixing a position the wire of power line lowest department, the radio wave range unit survey when the adjusting part location is to the wire lowest department of power line to the ground arc.
As a preferable scheme of the invention, the adjusting assembly comprises two electric telescopic rods symmetrically installed on the top of the base, the top of the two electric telescopic rods is commonly provided with an installation plate, the radio wave distance measuring device is installed on the bottom of the installation plate, the installation plate is provided with an induction plate, the surface of the induction plate is provided with a pressure sensor for inducing a power line conductor, and the sensor feeds back information to the wireless control component to control the electric telescopic rods to stop operating when contacting the power line conductor.
As a preferable scheme of the invention, an extension assembly connected with the induction plate is arranged at the top of the mounting plate, the extension assembly comprises a chute which is arranged at the top of the mounting plate and used for the induction plate to do linear motion, an adjusting screw rod is arranged in the chute through a bearing, the bottom of the induction plate is in threaded connection with the adjusting screw rod, and one end of the adjusting screw rod, which is close to the electric telescopic rod, is connected with a driving motor.
As a preferable scheme of the invention, two guide grooves are symmetrically formed in one side of the mounting plate, which is far away from the electric telescopic rod, and a sliding seat fixedly connected with the bottom of the induction plate is slidably connected in each guide groove.
As a preferable scheme of the present invention, the length of the sliding seat is twice the width of the induction plate, and a plane of an end portion of the sliding seat far away from the electric telescopic rod and a plane of a side wall of the induction plate far away from the electric telescopic rod are located on the same vertical plane.
As a preferable scheme of the invention, a limit groove which is not communicated with the outside of the mounting plate is formed on the side wall of each sliding groove, a limit bulge is arranged on each sliding seat, each limit bulge is connected in the corresponding limit groove in a sliding manner, and the limit groove and the limit bulge are matched to limit the induction plate not to be disconnected with the adjusting screw rod.
As a preferable aspect of the present invention, the sensing plate and the mounting plate are square plates, and the longest side of the sensing plate is perpendicular to the longest side of the mounting plate.
As a preferable aspect of the present invention, the radio wave distance measuring device includes a laser distance measuring module installed at the bottom of the mounting plate and a distance measuring hole formed on the base through which the laser emitted from the laser distance measuring module passes, and the laser distance measuring module feeds back the detected distance information through the wireless control unit.
As a preferable scheme of the present invention, each side wall of the base is provided with a placement groove, one side of each placement groove is movably connected with a support plate, one end of each support plate is connected with a support column by a thread, and the support plates and the support columns are placed in the corresponding placement grooves.
The embodiment of the invention has the following advantages:
according to the invention, the lowest point of the power line wire is positioned on the ground by utilizing the adjusting component, the radio wave distance measuring device directly measures the sag to the ground after the adjusting component is positioned to the lowest point of the power line wire, and the final sag value is obtained through the height of the suspension point of the power line wire and the sag to the ground, so that the danger caused by the need of climbing of an operator is avoided, the efficiency is higher, and the remote operation is safer through the wireless control component.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a sag detection device for a power line according to an embodiment of the present invention;
fig. 2 is a schematic top view of a sag detection device for an electrical power line according to an embodiment of the present invention;
fig. 3 is a schematic front view of a sag detection device of a power line according to an embodiment of the present invention.
In the figure:
1-a base; 2-universal wheels; 3-a line ranging mechanism; 4-a rechargeable battery pack; 5-a wireless control component; 6-placing the groove; 7-a support plate; 8-a support column;
301-a regulating assembly; 302-a radio wave ranging device; 303-an electric telescopic rod; 304-a mounting plate; 305-a sensing plate; 306-ranging holes; 307-an extension component; 308-a chute; 309-adjusting screw rod; 310-a drive motor; 311-a guide groove; 312-a sliding seat; 313-a limit groove; 314-a limit projection; 315-laser ranging module.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1:
as shown in fig. 1 to 3, the present invention provides a power line sag detection device, which includes a base 1 and a plurality of universal wheels 2 with braking function symmetrically arranged at the bottom of the base 1, wherein the base 1 is provided with a line distance measuring mechanism 3 for measuring the sag of the power line, and the base 1 is provided with a rechargeable battery pack 4 for providing power support for the line distance measuring mechanism 3 and a wireless control component 5 for controlling the operation of the line distance measuring mechanism 3;
the line ranging mechanism 3 comprises an adjusting assembly 301 installed on the base 1 and a radio wave ranging device 302 installed on the adjusting assembly 301 and used for measuring the sag of the power line to the ground, wherein the adjusting assembly 301 is used for locating the lowest conducting wire of the power line, and the radio wave ranging device 302 is used for measuring the sag of the ground when the adjusting assembly 301 is located to the lowest conducting wire of the power line.
When the suspension device is used, the suspension device is applied to the condition that the suspension heights of the two adjacent tower conductors are the same at the flat places in the city.
The universal wheel 2 is used for moving the whole device, the base 1 and the device on the base are moved to the position near the lowest point of the wire, the lowest point of the wire is judged by human eyes and is generally positioned in the middle of two adjacent towers, and the wire is braked and is still after being moved, so that the detection is convenient.
The whole device is powered by the rechargeable battery pack 4, so that the device can be reused, does not need power supply equipment, and has less limitation on the used field.
The wireless control part 5 enables the whole device to be remotely controlled and operated, avoids near-electricity operation and improves the use safety of the whole device.
Line range finding mechanism 3 utilizes the accurate position of the wire minimum of adjusting part 301 location power line, accomplishes when adjusting part 301 location, measures the distance of power line wire apart from ground by radio wave range unit 302 again, can learn the sag to ground of wire this moment, and what the wire was installed on the shaft tower hangs when high is known, subtracts the sag to ground through the height of shaft tower and can learn the sag of wire.
By using the device, an operator can directly detect the sag of the wire on the ground and judge whether the wire is qualified or not, the operator does not need to climb to the high position of the tower for operation, so that the danger caused by climbing is avoided, secondly, certain time is consumed for climbing, the detection efficiency is reduced, the device is directly used for detecting on the ground, the operation is simple, and the detection efficiency is improved.
Adjusting part 301 includes two electric telescopic handle 303 of symmetry installation at base 1 top, and mounting panel 304 is installed jointly at two electric telescopic handle 303's top, and radio wave range unit 302 installs the bottom at mounting panel 304, is provided with tablet 305 on the mounting panel 304, and tablet 305 surface is provided with the pressure sensor who is used for responding to the power line wire, and the sensor feeds back information to wireless control part 5 control electric telescopic handle 303 when contacting with the power line wire and stops the operation.
When the adjusting assembly 301 is used, the two electric telescopic rods 303 are controlled to extend simultaneously remotely through the wireless control part 5, so that the heights of the mounting plate 304 and the induction plate 305 are raised.
The sensing board 305 has a plate-like structure, has a wide detection area, covers the lowest point of the conductive wire, and contacts with the lowest point of the conductive wire after the sensing board 305 rises to a certain height.
When the wire contacts with the upper surface of the sensing plate 305, the pressure sensor arranged on the surface of the sensing plate 305 senses the change of the surface pressure, and immediately feeds back information to the wireless control part 5 to stop the operation of the electric telescopic rod 303, so that the surface of the sensing plate 305 just contacts with the wire, and the sag value of the wire is not influenced.
The two electric telescopic rods 303 are arranged, so that the lifting process of the mounting plate 304 and the induction plate 305 is more stable.
At this time, the position of the lowest point of the wire is determined by the induction plate 305, the height of the lowest point of the wire to the ground is measured by the radio wave distance measuring device 302, and the sag value of the wire is obtained, so that the danger caused by climbing detection is avoided, and the detection efficiency is improved.
The top of mounting panel 304 is provided with the extension subassembly 307 of being connected with tablet 305, and extension subassembly 307 is including seting up in mounting panel 304 top and supply tablet 305 to make rectilinear motion's spout 308, installs adjusting screw 309 through the bearing in the spout 308, and tablet 305's bottom threaded connection is on adjusting screw 309, and adjusting screw 309 is close to the one end of electric telescopic handle 303 and is connected with driving motor 310.
Considering that the base 1 may be placed at an inaccurate position, such that the sensing board 305 is located at one side of the conducting wire, the extension assembly 307 can be adjusted to a certain extent, thereby avoiding wasting time by adjusting the position of the base 1.
At this time, the driving motor 310 is started, the driving motor 310 drives the adjusting screw 309, and the adjusting screw 309 drives the sensing plate 305 to make a linear motion along the sliding slot 308 through threaded engagement, so that the sensing plate 305 can make a position adjustment on the surface of the mounting plate 304 at a certain distance, and the position inaccuracy of the base 1 is corrected. The working efficiency is improved.
Two guide grooves 311 are symmetrically formed in one side, away from the electric telescopic rod 303, of the mounting plate 304, and a sliding seat 312 fixedly connected with the bottom of the induction plate 305 is slidably connected in each guide groove 311.
In order to improve the stability of the sensing plate 305 in adjusting the position, the stability provided by the single adjusting screw 309 is poor, so that the two sliding seats 312 are arranged for limitation, the stability of the operation of the sensing plate 305 is improved, and the accuracy of sensing the lowest point position of the conducting wire is prevented from being influenced.
The length of the sliding seat 312 is twice the width of the induction plate 305, and the plane of the end of the sliding seat 312 far away from the electric telescopic rod 303 and the plane of the side wall of the induction plate 305 far away from the electric telescopic rod 303 are located on the same vertical plane.
One end of sensing plate 305 can move to the outside of mounting plate 304, and the length of sliding seat 312 is twice the width of sensing plate 305, even if sensing plate 305 moves out of mounting plate 304 completely, sliding seat 312 can guarantee that sensing plate 305 does not fall off and malfunction, so that the device operates stably.
The side wall of each sliding groove 308 is provided with a limiting groove 313 which is not communicated with the outside of the mounting plate 304, each sliding seat 312 is provided with a limiting protrusion 314, each limiting protrusion 314 is connected to the corresponding limiting groove 313 in a sliding manner, and the limiting groove 313 and the limiting protrusion 314 are matched to limit the induction plate 305 not to be disconnected with the adjusting screw 309.
In order to prevent the adjusting screw 309 from driving the sensing plate 305 to move excessively, so that the sensing plate 305 and the adjusting screw 309 are disconnected, the limiting protrusion 314 is in fit connection with the limiting groove 313, so that the moving distance of the sliding seat 312 is limited, the moving distance of the sensing plate 305 is limited, and the fault of the sensing plate 305 is avoided.
The sensing plate 305 is square and the longest side of the square should be parallel to the wires so that the sensing plate 305 can cover longer distance wires and the detection is more accurate.
The mounting plate 304 is square, and the longest side of the square should be perpendicular to the wires, so that the range of adjusting the induction plate 305 is wider, and the practicability is stronger.
The radio wave ranging apparatus 302 includes a laser ranging module 315 installed at the bottom of the mounting plate 304 and a ranging hole 306 opened on the base 1 for the laser emitted from the laser ranging module 315 to pass through, and the laser ranging module 315 feeds back the detected distance information through the wireless control part 5.
The laser ranging module 315 emits laser, the laser reaches the ground through the ranging hole 306 and is emitted and received by the laser ranging module 315, the distance from the bottom of the mounting plate 304 to the ground is measured, the ground height of the wire is obtained, and the sag of the wire is obtained after calculation.
Standing groove 6 has all been seted up on every lateral wall of base 1, the equal swing joint in one side of every standing groove 6 has backup pad 7, and the equal threaded connection in one end of every backup pad 7 has support column 8, and backup pad 7 and support column 8 all place in corresponding standing groove 6.
Considering that the stability of the whole device becomes worse after the electric telescopic rod 303 is extended, the supporting range is expanded through the supporting plate 7, the supporting column 8 is adjusted to be abutted against the ground, the gravity center of the whole device is lowered, and the stability of the whole device is improved.
The placement groove 6 is used for preventing the support column 8 and the support plate 7 from occupying space when not in use.
Example 2:
the invention provides a using method of a power line sag device, which comprises the following steps,
s100, observing the approximate position of the lowest position of the power line conductor, and moving the whole device to the position below the lowest position of the power line conductor to be static;
s200, remotely starting the electric telescopic rod through the wireless control part, extending and lifting the electric telescopic rod to the induction plate to be contacted with a power line lead, and automatically stopping the electric telescopic rod;
and S300, operating the radio wave distance measuring device, measuring the distance between the bottom of the current mounting plate and the ground to obtain the sag of the power line to the ground, and obtaining the sag value of the power line according to the known height of the hanging point of the power line.
Through this mode, can directly detect the power line arc that the ground is flat department and wire hanging point height is the same on the ground, obtain the arc value of droing of wire through indirect mode, not only avoided climbing the danger that the shaft tower brought, also improved detection efficiency.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The power line sag detection device is characterized by comprising a base (1) and a plurality of universal wheels (2) with braking functions, wherein the universal wheels (2) are symmetrically arranged at the bottom of the base (1), a line distance measuring mechanism (3) for measuring sag of a power line is arranged on the base (1), and a rechargeable battery pack (4) for providing electric support for the line distance measuring mechanism (3) and a wireless control component (5) for controlling the operation of the line distance measuring mechanism (3) are arranged in the base (1);
the line ranging mechanism (3) comprises an adjusting assembly (301) installed on the base (1) and a radio wave ranging device (302) installed on the adjusting assembly (301) and used for measuring the sag of the power line to the ground, the adjusting assembly (301) is used for locating the lowest conducting wire of the power line, and the radio wave ranging device (302) is used for measuring the sag to the ground when the adjusting assembly (301) is located at the lowest conducting wire of the power line;
the adjusting assembly (301) comprises two electric telescopic rods (303) symmetrically installed at the top of a base (1), the tops of the two electric telescopic rods (303) are jointly provided with a mounting plate (304), the radio wave distance measuring device (302) is installed at the bottom of the mounting plate (304), an induction plate (305) is arranged on the mounting plate (304), a pressure sensor used for inducing a power line wire is arranged on the surface of the induction plate (305), and when the sensor is in contact with the power line wire, the sensor feeds back information to a wireless control component (5) to control the electric telescopic rods (303) to stop operating;
the top of mounting panel (304) is provided with extension subassembly (307) of being connected with tablet (305), extension subassembly (307) are including seting up spout (308) that supply tablet (305) to be linear motion at mounting panel (304) top, install adjusting screw (309) through the bearing in spout (308), just the bottom threaded connection of tablet (305) is on adjusting screw (309), adjusting screw (309) are close to the one end of electric telescopic handle (303) and are connected with driving motor (310).
2. The power line sag detection device according to claim 1, wherein two guide grooves (311) are symmetrically formed in one side of the mounting plate (304) away from the electric telescopic rod (303), and a sliding seat (312) fixedly connected with the bottom of the induction plate (305) is slidably connected in each guide groove (311).
3. The power line sag detection device according to claim 2, wherein the length of the sliding seat (312) is twice the width of the induction plate (305), and a plane of an end of the sliding seat (312) far away from the electric telescopic rod (303) and a plane of a side wall of the induction plate (305) far away from the electric telescopic rod (303) are located on the same vertical plane.
4. The power line sag detection device according to claim 3, wherein a limiting groove (313) not communicated with the outside of the mounting plate (304) is formed in the side wall of each sliding groove (308), a limiting protrusion (314) is arranged on each sliding seat (312), each limiting protrusion (314) is connected in the corresponding limiting groove (313) in a sliding manner, and the limiting groove (313) and the limiting protrusion (314) are matched to limit the connection of the induction plate (305) and the adjusting screw (309).
5. An electric power line sag detection device according to claim 4, wherein the sensing plate (305) and the mounting plate (304) are square plates, and the longest side of the sensing plate (305) is perpendicular to the longest side of the mounting plate (304).
6. The power line sag detection device according to claim 5, wherein the radio wave distance measurement device (302) comprises a laser distance measurement module (315) mounted at the bottom of the mounting plate (304) and a distance measurement hole (306) formed in the base (1) for laser emitted by the laser distance measurement module (315) to pass through, and the laser distance measurement module (315) feeds back the detected distance information through the wireless control component (5).
7. The power line sag detection device according to claim 6, wherein a placement groove (6) is formed in each side wall of the base (1), a support plate (7) is movably connected to one side of each placement groove (6), a support column (8) is connected to one end of each support plate (7) in a threaded manner, and the support plates (7) and the support columns (8) are placed in the corresponding placement grooves (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011375279.3A CN112525083B (en) | 2020-11-30 | 2020-11-30 | Power line sag detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011375279.3A CN112525083B (en) | 2020-11-30 | 2020-11-30 | Power line sag detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112525083A CN112525083A (en) | 2021-03-19 |
| CN112525083B true CN112525083B (en) | 2022-04-01 |
Family
ID=74995286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011375279.3A Active CN112525083B (en) | 2020-11-30 | 2020-11-30 | Power line sag detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112525083B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007145518A (en) * | 2005-11-29 | 2007-06-14 | Chugoku Electric Power Co Inc:The | Electric wire contact avoiding device |
| CN102636133A (en) * | 2012-05-03 | 2012-08-15 | 山东电力集团公司超高压公司 | Induction type safety distance measurement tool for measuring bow line sag |
| CN106247959A (en) * | 2016-09-30 | 2016-12-21 | 国网山东省电力公司商河县供电公司 | The automatic checkout system of a kind of cable antenna height and automatic testing method |
| CN207407825U (en) * | 2017-09-25 | 2018-05-25 | 国网新疆电力公司博尔塔拉供电公司 | A kind of power transmission line distance to the ground monitoring device |
| CN108657431A (en) * | 2018-07-19 | 2018-10-16 | 国网上海市电力公司 | A kind of flight instruments for detecting the vertical ground clearance of high-voltage AC transmission bank |
| EP3396348A1 (en) * | 2017-04-26 | 2018-10-31 | OTLM, razvoj, proizvodnja in svetovanje, d.o.o. | Method for determining additional mechanical loads of a tramsmission power line conductor |
| CN109633656A (en) * | 2019-01-31 | 2019-04-16 | 国家电网有限公司 | A kind of high bar of contactless aerial cable survey |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10205307B2 (en) * | 2010-03-23 | 2019-02-12 | Southwire Company, Llc | Power line maintenance monitoring |
-
2020
- 2020-11-30 CN CN202011375279.3A patent/CN112525083B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007145518A (en) * | 2005-11-29 | 2007-06-14 | Chugoku Electric Power Co Inc:The | Electric wire contact avoiding device |
| CN102636133A (en) * | 2012-05-03 | 2012-08-15 | 山东电力集团公司超高压公司 | Induction type safety distance measurement tool for measuring bow line sag |
| CN106247959A (en) * | 2016-09-30 | 2016-12-21 | 国网山东省电力公司商河县供电公司 | The automatic checkout system of a kind of cable antenna height and automatic testing method |
| EP3396348A1 (en) * | 2017-04-26 | 2018-10-31 | OTLM, razvoj, proizvodnja in svetovanje, d.o.o. | Method for determining additional mechanical loads of a tramsmission power line conductor |
| CN207407825U (en) * | 2017-09-25 | 2018-05-25 | 国网新疆电力公司博尔塔拉供电公司 | A kind of power transmission line distance to the ground monitoring device |
| CN108657431A (en) * | 2018-07-19 | 2018-10-16 | 国网上海市电力公司 | A kind of flight instruments for detecting the vertical ground clearance of high-voltage AC transmission bank |
| CN109633656A (en) * | 2019-01-31 | 2019-04-16 | 国家电网有限公司 | A kind of high bar of contactless aerial cable survey |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112525083A (en) | 2021-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105980821B (en) | Measuring system for determining a bearing force | |
| CN210041940U (en) | Cell-phone screen roughness check out test set | |
| EP3345859A1 (en) | Lifting device for lifting a vehicle with integrated motor control, and system and method therefor | |
| CN112525083B (en) | Power line sag detection device | |
| CN107048809A (en) | A kind of stool or chair for the support of stool or chair and provided with the support | |
| CN108981562B (en) | Accurate automatic checkout device of high-speed railway train pantograph carbon slide wearing and tearing | |
| JP5557031B2 (en) | Automatic connection device | |
| CN116559697A (en) | Low-voltage insulation testing machine and testing method thereof | |
| CN211998192U (en) | Wire harness coiling equipment applied to high-reliability electrode plate preparation | |
| CN216361561U (en) | Polyimide film thickness detection equipment | |
| CN105974228A (en) | Special tool for testing SF6 inflatable cabinet | |
| CN116165459A (en) | Auxiliary contact electric operation test board and test method | |
| CN213023503U (en) | Device for detecting height of SMD LED lamp on LED lamp strip | |
| CN213875868U (en) | Alternating current-direct current system judgment device | |
| CN212022364U (en) | Vertical charging equipment of new energy automobile | |
| CN107462263B (en) | Test structure of level bubble assembly | |
| CN215714484U (en) | Energy-saving road paving rolling identification system | |
| CN216670159U (en) | Distribution network fault detection device | |
| CN219301519U (en) | Measuring device | |
| CN212843677U (en) | Measuring instrument support | |
| CN219454953U (en) | Offset monitoring device of high formwork | |
| CN105161645A (en) | Backward-motion-prevention mechanism for batteries | |
| CN219574281U (en) | Withstand voltage detection jig of high-voltage connector of new energy automobile | |
| CN220614065U (en) | Mobile service robot climbs, resides slope and stability testing arrangement | |
| CN219390826U (en) | Main beam disturbance degree detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |