CN110854739B - Overhead transmission line electricity testing grounding method based on unmanned aerial vehicle - Google Patents
Overhead transmission line electricity testing grounding method based on unmanned aerial vehicle Download PDFInfo
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- CN110854739B CN110854739B CN201911202718.8A CN201911202718A CN110854739B CN 110854739 B CN110854739 B CN 110854739B CN 201911202718 A CN201911202718 A CN 201911202718A CN 110854739 B CN110854739 B CN 110854739B
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- transmission line
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention provides an unmanned aerial vehicle-based overhead transmission line electricity testing grounding method, which comprises the following steps: the grounding device comprises an electricity testing device, a grounding device for power transformation equipment and a grounding device for a power transmission line; the grounding device for the power transformation equipment and the grounding device for the power transmission line are respectively connected with the wire and the insulator cross arm side yoke plate hardware fitting by using the unmanned aerial vehicle, so that the grounding of the power transformation equipment and the power transmission line is realized, the high-altitude installation grounding can be replaced by manual work, and the safety is higher; the installation of the grounding device by adopting the jaw type clamp is easier to operate than the manual bolt fastening; the required personnel of remote control operation unmanned aerial vehicle installation ground connection are few.
Description
Technical Field
The invention relates to the field of power grid electricity testing, in particular to a grounding device.
Background
According to the regulations of national grid company electric power safety work regulations (Q/GDW1799.2-2013), the technical measures for ensuring safety include: power failure; testing electricity; grounding; using a personal security line; hang the signboard and install the obscuration (rail). The electricity testing means that a qualified contact type electroscope with a corresponding voltage grade is used to verify that the line is really free of voltage before the working section of the power failure line is grounded. After the line experience is clear and no voltage exists, a grounding wire should be installed immediately and three phases are short-circuited. The set of grounding wire consists of a plurality of strands of annealed copper wires with transparent sheaths and a special wire clamp, and the sectional area of the grounding wire is not less than 25 mm & lt 2 & gt and simultaneously the requirement of short-circuit current of an installation site is met. The transmission rope is carried to the relevant electrician that tests of daily power failure maintenance work needs on by the tower on the electrician carries the transmission rope, near suitable operating position, will test on the electrography transmits to the tower through the transmission rope, tests the electricity by the electrician on the tower one by one mutually, confirms that the circuit does not have the voltage after, will test the electrography and transfer to ground, hangs the earth connection to the tower on again, installs the earth connection by the electrician on ground to the circuit that has a power failure. This kind of traditional operating mode needs alone guardianship, is responsible for on the one person's tower and tests electric ground connection, and alone ground cooperation transmission work, the earth connection is heavy and the installation is loaded down with trivial details.
Disclosure of Invention
The invention aims to solve the main technical problem of providing an overhead transmission line electricity testing grounding method based on an unmanned aerial vehicle, which is simple and convenient to operate and high in efficiency, and needs a small number of workers.
In order to solve the technical problem, the invention provides an overhead transmission line electricity testing grounding method based on an unmanned aerial vehicle, which comprises the following steps: the grounding device comprises an electricity testing device, a grounding device for power transformation equipment and a grounding device for a power transmission line;
the earthing device for substation equipment includes: the device comprises a motor box, an unmanned aerial vehicle hanging handle, a motor and a wire end jaw clamp;
the motor is fixed in the motor box through a motor fixing plate and is electrically connected with a battery and a control box which are arranged in the motor box; an output rotating shaft of the motor extends out of one end wall of the motor box; the unmanned aerial vehicle hanging handle is arranged on one outer wall of the motor box;
the wire end jaw clamp comprises a mounting plate, the mounting plate is mounted outside the end wall of the motor box extending out of the output rotating shaft through a screw rod, and a certain distance is reserved between the mounting plate and the end wall; one side of the mounting plate, which is back to the end wall, is provided with two mounting seats, and the two mounting seats are spaced by 180 degrees;
the wire end jaw clamp further comprises a movable plate, a first connecting rod, a second connecting rod and a clamping claw; the number of the first connecting rod, the second connecting rod and the clamping claws is two; the movable plate is arranged between the mounting plate and the end wall and is in threaded connection with an output rotating shaft of the motor; when the motor rotates forwards or reversely, the movable plate moves upwards or downwards along the direction of the output rotating shaft of the motor;
the movable plate is respectively provided with an arc guide groove at two sides of the motor output rotating shaft; one end of the first connecting rod is movably connected with the arc guide groove through a first pin shaft, and the other end of the first connecting rod is installed in the installation seat through a second pin shaft and one end of a second connecting rod; the other end of the second connecting rod is movably connected with the clamping claw through a third pin shaft;
the motor box receives the control signal and then sends out a driving signal to control the motor to rotate so as to drive the movable plate to move downwards, the first connecting rod moves from one end to the other end in the guide groove, an included angle between the second connecting rod of the first connecting rod and the clamping claws is changed, and the two clamping claws move oppositely to clamp the lead;
the grounding device for the power transmission line comprises: a hook carrying handle component and a joint;
one end of the joint is provided with the hook carrying handle assembly, and the other end of the joint is provided with an electromagnet; the connector is internally provided with a power supply, the connector is internally provided with a controller for controlling the connection or disconnection of the power supply and the electromagnet, and the controller is wirelessly connected with a remote controller of a worker;
when the power supply is connected with the electromagnet, the electromagnet has no adsorption force, and when the power supply is disconnected with the electromagnet, the electromagnet generates adsorption force;
the two grounding devices are respectively arranged at two ends of the copper wire rope grounding wire.
The electricity testing grounding method specifically comprises the following steps:
1) hanging the electricity testing device on an unmanned aerial vehicle, remotely operating the unmanned aerial vehicle to a working position of a maintenance line and power transformation equipment, contacting a metal end of an electricity testing pen with a lead, and judging whether the overhead line has voltage or not by whether the electricity testing pen emits sound or not;
2) the two grounding devices for the power transmission line are respectively arranged at two ends of the copper wire rope grounding wire;
2) hanging a hook carrying handle assembly of the grounding device for the transmission line on a hook of the unmanned aerial vehicle;
3) the working personnel remotely operate the unmanned aerial vehicle to fly to a working tower of an overhaul line, the grounding device for the cross arm side transmission line is close to the insulator cross arm side link plate hardware fitting, a power supply is disconnected from the electromagnet through a remote controller, and the electromagnet generates magnetism to attract the insulator cross arm side link plate hardware fitting;
4) separating the grounding device for the cross arm side power transmission line from the unmanned aerial vehicle lifting hook;
5) the grounding device for the transmission line on the wire side is close to the insulator cross arm side yoke plate hardware fitting, a power supply is disconnected from the electromagnet through a remote controller, and the electromagnet generates magnetism to attract the insulator cross arm side yoke plate hardware fitting;
6) with earthing device and unmanned aerial vehicle lifting hook separation for wire side power transmission line.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
the grounding device for the power transformation equipment externally hung on the unmanned aerial vehicle can replace manual work to carry out high-altitude installation grounding, and is higher in safety; the installation of the grounding device by adopting the jaw type clamp is easier to operate than the manual bolt fastening; the required personnel of remote control operation unmanned aerial vehicle installation ground connection are few.
Drawings
Fig. 1 is an exploded view of a grounding device for a power transformation apparatus according to a preferred embodiment of the present invention;
fig. 2 is a perspective view of a grounding device for a power transformation apparatus according to a preferred embodiment of the present invention;
fig. 3 is a front view of a grounding device for a power transformation apparatus according to a preferred embodiment of the present invention;
fig. 4 is a perspective view of a grounding device for a power transmission line according to a preferred embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1-4, an overhead transmission line electricity testing grounding method based on an unmanned aerial vehicle includes: the grounding device comprises an electricity testing device, a grounding device for power transformation equipment and a grounding device for a power transmission line;
referring to fig. 1 to 3, the grounding device for a power transformation apparatus includes: the device comprises a motor box 1, an unmanned aerial vehicle hanging handle 2, a motor 3 and a wire end jaw clamp;
the motor 3 is fixed in the motor box 1 through a motor 3 fixing plate and is electrically connected with a battery 4 and a control box 5 which are arranged in the motor box 1; the output rotating shaft 31 of the motor 3 extends out of one end wall of the motor box 1; the unmanned aerial vehicle hanging handle 2 is arranged on one outer wall of the motor box 1;
the wire end jaw clamp comprises a mounting plate 61, wherein the mounting plate 61 is mounted outside the end wall of the motor box 1 extending out of the output rotating shaft 31 through four screw rods 62 and is spaced from the end wall by a certain distance; two mounting seats 63 are arranged on one side of the mounting plate 61, which is opposite to the end wall, and the two mounting seats 63 are spaced by 180 degrees;
the wire end jaw clamp further comprises a movable plate 64, a first link 65, a second link 66 and a clamping jaw 67; the number of the first connecting rod 65, the second connecting rod 66 and the clamping claw 67 is two; the movable plate 64 is arranged between the mounting plate 61 and the end wall and is in threaded connection with the output rotating shaft 31 of the motor 3; when the motor 3 rotates forward or backward, the movable plate 64 moves up or down along the direction of the output rotating shaft 31 of the motor 3;
the movable plate 64 is provided with an arc guide groove 641 at each of two sides of the output rotating shaft 31 of the motor 3; one end of the first connecting rod 65 is movably connected with the arc guide groove 641 through a first pin shaft, and the other end of the first connecting rod 65 is installed in the installation seat 63 through a second pin shaft and one end of the second connecting rod 66; the other end of the second connecting rod 66 is movably connected with the clamping claw 67 through a third pin shaft;
the motor box 1 sends out drive signal control after receiving control signal the motor 3 rotates in order to drive the fly leaf 64 moves down, first connecting rod 65 moves to the other end by one end in the guide way 641, and the contained angle between first connecting rod 65 second connecting rod 66 and the gripper 67 changes, and two gripper 67 move the centre gripping wire in opposite directions.
During the use, the staff is connected ground end bolt anchor clamps and framework ground connection, and wire end clamp of keeping silent hangs 2 through unmanned aerial vehicle and hangs and carry to aerial on the unmanned aerial vehicle lifting hook, and the staff rotates through remote controller remote control motor, opens gripper jaw 67, cliies the wire, and rethread remote controller control unmanned aerial vehicle lifting hook keeps silent anchor clamps with the wire and separates.
Referring to fig. 4, the grounding device for a power transmission line includes: a hook carrying handle component 7 and a joint 8;
one end of the joint 2 is provided with the hook carrying handle assembly 7, and the other end is provided with an electromagnet 9; a power supply is arranged in the joint 8, a controller for controlling the connection or disconnection of the power supply and the electromagnet 9 is also arranged in the joint 8, and the controller is wirelessly connected with a remote controller of a worker;
when the power supply is connected with the electromagnet 3, the electromagnet 9 has no adsorption force, and when the power supply is disconnected with the electromagnet 9, the electromagnet 9 generates adsorption force;
the two grounding devices are respectively arranged at two ends of the copper wire rope grounding wire.
The electricity testing grounding method specifically comprises the following steps:
1) hanging the electricity testing device on an unmanned aerial vehicle, remotely operating the unmanned aerial vehicle to a working position of a maintenance line and power transformation equipment, contacting a metal end of an electricity testing pen with a lead, and judging whether the overhead line has voltage or not by whether the electricity testing pen emits sound or not;
2) the two grounding devices for the power transmission line are respectively arranged at two ends of the copper wire rope grounding wire;
2) hanging a hook carrying handle assembly of the grounding device for the transmission line on a hook of the unmanned aerial vehicle;
3) the working personnel remotely operate the unmanned aerial vehicle to fly to a working tower of an overhaul line, the grounding device for the cross arm side transmission line is close to the insulator cross arm side link plate hardware fitting, a power supply is disconnected from the electromagnet through a remote controller, and the electromagnet generates magnetism to attract the insulator cross arm side link plate hardware fitting;
4) separating the grounding device for the cross arm side power transmission line from the unmanned aerial vehicle lifting hook;
5) the grounding device for the transmission line on the wire side is close to the insulator cross arm side yoke plate hardware fitting, a power supply is disconnected from the electromagnet through a remote controller, and the electromagnet generates magnetism to attract the insulator cross arm side yoke plate hardware fitting;
6) with earthing device and unmanned aerial vehicle lifting hook separation for wire side power transmission line.
The above examples are provided only for illustrating the present invention and are not intended to limit the present invention. Changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the claims of the present invention as long as they are in accordance with the technical spirit of the present invention.
Claims (1)
1. An overhead transmission line electricity testing grounding method based on an unmanned aerial vehicle is characterized by comprising the following steps: the grounding device comprises an electricity testing device, a grounding device for power transformation equipment and a grounding device for a power transmission line;
the earthing device for substation equipment includes: the device comprises a motor box, an unmanned aerial vehicle hanging handle, a motor and a wire end jaw clamp;
the motor is fixed in the motor box through a motor fixing plate and is electrically connected with a battery and a control box which are arranged in the motor box; an output rotating shaft of the motor extends out of one end wall of the motor box; the unmanned aerial vehicle hanging handle is arranged on one outer wall of the motor box;
the wire end jaw clamp comprises a mounting plate, the mounting plate is mounted outside the end wall of the motor box extending out of the output rotating shaft through a screw rod, and a certain distance is reserved between the mounting plate and the end wall; one side of the mounting plate, which is back to the end wall, is provided with two mounting seats, and the two mounting seats are spaced by 180 degrees;
the wire end jaw clamp further comprises a movable plate, a first connecting rod, a second connecting rod and a clamping claw; the number of the first connecting rod, the second connecting rod and the clamping claws is two; the movable plate is arranged between the mounting plate and the end wall and is in threaded connection with an output rotating shaft of the motor; when the motor rotates forwards or reversely, the movable plate moves upwards or downwards along the direction of the output rotating shaft of the motor;
the movable plate is respectively provided with an arc guide groove at two sides of the motor output rotating shaft; one end of the first connecting rod is movably connected with the arc guide groove through a first pin shaft, and the other end of the first connecting rod is installed in the installation seat through a second pin shaft and one end of a second connecting rod; the other end of the second connecting rod is movably connected with the clamping claw through a third pin shaft;
the motor box receives the control signal and then sends out a driving signal to control the motor to rotate so as to drive the movable plate to move downwards, the first connecting rod moves from one end to the other end in the guide groove, an included angle between the second connecting rod of the first connecting rod and the clamping claws is changed, and the two clamping claws move oppositely to clamp the lead;
the grounding device for the power transmission line comprises: a hook carrying handle component and a joint;
one end of the joint is provided with the hook carrying handle assembly, and the other end of the joint is provided with an electromagnet; a power supply is arranged in the joint, a controller for controlling the connection or disconnection of the power supply and the electromagnet is also arranged in the joint, and the controller is wirelessly connected with a remote controller of a worker;
when the power supply is connected with the electromagnet, the electromagnet has no adsorption force, and when the power supply is disconnected with the electromagnet, the electromagnet generates adsorption force;
the two grounding devices for the power transmission line are respectively arranged at two ends of a copper wire rope grounding wire;
the electricity testing grounding method specifically comprises the following steps:
1) hanging the electricity testing device on an unmanned aerial vehicle, remotely operating the unmanned aerial vehicle to a working position of a maintenance line and power transformation equipment, contacting a metal end of an electricity testing pen with a lead, and judging whether the overhead line has voltage or not by whether the electricity testing pen emits sound or not;
2) the two grounding devices for the power transmission line are respectively arranged at two ends of the copper wire rope grounding wire;
3) hanging a hook carrying handle assembly of the grounding device for the transmission line on a hook of the unmanned aerial vehicle;
4) the working personnel remotely operate the unmanned aerial vehicle to fly to a working tower of an overhaul line, the grounding device for the cross arm side transmission line is close to the insulator cross arm side link plate hardware fitting, a power supply is disconnected from the electromagnet through a remote controller, and the electromagnet generates magnetism to attract the insulator cross arm side link plate hardware fitting;
5) separating the grounding device for the cross arm side power transmission line from the unmanned aerial vehicle lifting hook;
6) the grounding device for the transmission line on the wire side is close to the insulator cross arm side yoke plate hardware fitting, a power supply is disconnected from the electromagnet through a remote controller, and the electromagnet generates magnetism to attract the insulator cross arm side yoke plate hardware fitting;
7) with earthing device and unmanned aerial vehicle lifting hook separation for wire side power transmission line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911202718.8A CN110854739B (en) | 2019-11-29 | 2019-11-29 | Overhead transmission line electricity testing grounding method based on unmanned aerial vehicle |
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| CN201911202718.8A CN110854739B (en) | 2019-11-29 | 2019-11-29 | Overhead transmission line electricity testing grounding method based on unmanned aerial vehicle |
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| CN110854739A CN110854739A (en) | 2020-02-28 |
| CN110854739B true CN110854739B (en) | 2020-10-27 |
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| CN112858821B (en) * | 2021-01-20 | 2024-08-16 | 中国南方电网有限责任公司超高压输电公司柳州局 | High-voltage overhead line short circuit test triggering device and method |
| CN113009379A (en) * | 2021-03-11 | 2021-06-22 | 南方电网科学研究院有限责任公司 | Ultra-high voltage line artificial short circuit test method based on unmanned aerial vehicle inclined pulling method |
| CN113708110B (en) * | 2021-09-02 | 2023-10-31 | 广东电网有限责任公司 | Grounding device |
| CN113725638B (en) * | 2021-09-02 | 2024-04-30 | 广东电网有限责任公司 | Grounding caliper and grounding device |
| CN113859543B (en) * | 2021-09-30 | 2024-03-19 | 国网河北省电力有限公司检修分公司 | Unmanned aerial vehicle external suspension device and use method |
| CN114062722B (en) * | 2021-11-15 | 2024-04-02 | 国家电网有限公司 | Unmanned aerial vehicle electroscope |
| CN114284828B (en) * | 2021-12-28 | 2023-06-06 | 广东电网有限责任公司 | Power transmission line grounding device and system |
| CN115367112B (en) * | 2022-07-11 | 2024-07-02 | 国网河北省电力有限公司衡水供电分公司 | Auxiliary overhaul unmanned aerial vehicle and auxiliary overhaul method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6443750B2 (en) * | 2015-02-10 | 2018-12-26 | 中国電力株式会社 | Underline connector holder |
| US11130572B2 (en) * | 2018-04-16 | 2021-09-28 | Preformed Line Products Co. | Mounting assembly for mounting clamp |
| CN209658745U (en) * | 2019-03-19 | 2019-11-19 | 江苏利宏原电力科技有限公司 | A kind of power grid protective device that falls to power |
| CN209592337U (en) * | 2019-05-15 | 2019-11-05 | 国网北京市电力公司 | A kind of ground line insulating ground bar device |
| CN110155330A (en) * | 2019-06-03 | 2019-08-23 | 辽宁工程技术大学 | One kind being based on the autonomous patrolling method of unmanned plane electric system |
| CN110233368B (en) * | 2019-06-05 | 2020-12-29 | 国网福建省电力有限公司厦门供电公司 | 220kV outdoor substation equipment earth clamp based on unmanned aerial vehicle technique |
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