CN216209261U - Electrically-adjusted lightning arrester live-line detection tool - Google Patents
Electrically-adjusted lightning arrester live-line detection tool Download PDFInfo
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- CN216209261U CN216209261U CN202122632560.7U CN202122632560U CN216209261U CN 216209261 U CN216209261 U CN 216209261U CN 202122632560 U CN202122632560 U CN 202122632560U CN 216209261 U CN216209261 U CN 216209261U
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- outer sheath
- lightning arrester
- metal outer
- detection tool
- straight gear
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 5
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 26
- 230000009466 transformation Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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Abstract
The utility model relates to the field of lightning arrester live-line detection, in particular to an electrically-adjusted lightning arrester live-line detection tool. The device comprises an insulating rod, an insulating rod fastener, a detection tool end fastener, a gear transmission device and a current receiving device which are connected in sequence; the current receiving device comprises a contact terminal and a metal outer sheath with an opening at the upper part, a conductive needle array and a spring mechanism which are formed by a plurality of small cylindrical metal terminals are arranged in the metal outer sheath, and a friction plate which can remove a metal oxide film is arranged at the outer side of the metal outer sheath; one end of the conductive pin row is in charge of being connected with a current signal at the end of the receiving lightning arrester, the other end of the conductive pin row is fixed and connected with the spring mechanism and the metal outer sheath, and the bottom of the metal outer sheath is connected with the contact terminal. The device has the characteristics of simple operation, multi-angle adjustment and transformation, and effective removal of the oxide film at the test part, and improves the test result and the working efficiency.
Description
Technical Field
The utility model relates to the field of lightning arrester live-line detection, in particular to an electrically-adjusted lightning arrester live-line detection tool.
Background
In the prior art, the lightning arrester can effectively prevent lightning overvoltage and operation overvoltage, and is important equipment for ensuring safe and stable operation of a power system. The lightning arrester live detection work can measure the total current and the resistive current of the lightning arrester in the running state of the lightning arrester so as to judge the insulation degree and the running performance of the lightning arrester. When measuring, the instrument test wire is contacted with the lightning arrester base through a tool, and then corresponding data is read on the instrument. The mounted position of arrester is different in the actual operation in-process, and traditional insulating rod head is mostly fixed shape, and the overlap joint easily causes the multiple spot to connect the influence test result on the base. Meanwhile, the lightning arrester base runs outdoors for a long time, and an oxide film is easily generated on the surface of the lightning arrester base, so that test data are abnormal. The electrified detection tool for the electrically adjusted lightning arrester is manufactured, and the problems are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electrically-adjusted lightning arrester live-line detection tool which is simple to operate, can be adjusted and changed at multiple angles, can effectively remove an oxide film at a test part, and improves the measurement accuracy and the working efficiency.
The technical solution of the utility model is as follows: the electrically-adjusted lightning arrester live-line detection tool is characterized by comprising an insulating rod, an insulating rod fastening piece, a detection tool fastening piece, a gear transmission device and a current receiving device which are connected in sequence; the current receiving device comprises a contact terminal and a metal outer sheath with an opening at the upper part, a conductive needle array and a spring mechanism which are formed by a plurality of small cylindrical metal terminals are arranged in the metal outer sheath, and a friction plate which can remove a metal oxide film is arranged at the outer side of the metal outer sheath; one end of the conductive pin row is in charge of being connected with a current signal at the end of the receiving lightning arrester, the other end of the conductive pin row is fixed and connected with the spring mechanism and the metal outer sheath, and the bottom of the metal outer sheath is connected with the contact terminal.
In the above-mentioned scheme, the first step of the method,
the gear transmission device comprises a lower end large straight gear, a lower end small straight gear, a lower end angle control motor, an upper end small straight gear, an upper end angle control motor and an upper end large straight gear which are sequentially connected in a meshed manner; the upper part of the detection tool fastener is connected with a lower end large straight gear, a lower end angle control motor is connected with a lower end small straight gear and is meshed with the lower end large straight gear, and the lower end large straight gear is arranged between a front fixing piece of the angle regulator and a rear fixing piece of the angle regulator; the upper end angle control motor is meshed with the upper end small straight gear and is meshed with the upper end large straight gear, and the upper end large straight gear is arranged between the angle regulator front fixing piece and the angle regulator rear fixing piece; the upper end angle control motor and the lower end angle control motor are connected with the motor controller, and the motor control keys are connected with the motor controller and are connected with each other by adjusting the rotating angle through the motor control keys; the current receiving device is connected with a large straight gear at the upper end.
The electric control angle adjuster realizes multiple angle adjustments of the tool and can be suitable for live-line detection work of arresters at different mounting positions; meanwhile, the friction plate is arranged on the outer side of the current receiving device, so that an oxide film of a test point can be effectively removed, and the measurement accuracy is improved.
The angle regulator consists of a direct gear set, a motor controller and a battery. Two sets of speed reducing motors with small-tooth-number straight gears and large-tooth-number straight gears are adjusted by a motor controller button, and the controller is powered by a general battery. The two sets of gear sets are respectively connected with the detection tool fastener and the current receiving device, and the maximum adjusting angle of each set of gear sets can reach 240 degrees.
The current receiving device consists of a circular metal outer sheath, a friction plate, a contact terminal, a conductive needle array and a spring mechanism.
The utility model has the advantages that: 1. this instrument passes through motor, gear drive electric control and adjusts, can realize the front end multi-angle fast and change, adapts to the electrified work needs that detect of arrester of different mounted position, avoids the multiple spot contact phenomenon that fixed shape brought. 2. The tool is provided with the friction plate, and before the test is started, the oxide film of the test point can be removed through the friction plate, so that the contact resistance of the test point is reduced, and the error of test data is reduced. 3. The current receiving device of the tool is provided with a conductive pin row consisting of a plurality of small cylindrical metal terminals, and can be buckled on a screw of a lightning arrester base, so that the contact area between the current receiving device and a test point is increased, and the accuracy of test data is improved. 4. Two sets of motors and gear transmission mechanisms are arranged on the tool, so that the tool is more beneficial to multi-angle change adjustment of the front end.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the connection relationship of the appearance structure of the present invention.
FIG. 2 is a schematic view of the connection structure of the present invention.
Fig. 3 is a left side view internal structure of fig. 1.
FIG. 4 is a cross-sectional view of a current pick-up device according to the present invention.
Detailed Description
Referring to fig. 1-4, the part names are as follows: the insulation rod comprises an insulation rod 1, an insulation rod fastener 2, a detection tool fastener 3, a motor control key 4, a controller shell 5, an angle regulator front fixing plate 6, an angle regulator rear fixing plate 7, a friction plate 8, a current receiving device 9, an angle regulator battery cover 10, an angle regulator side fixing plate 11, a battery 12, an angle regulator mounting plate 13, a contact terminal 14, an upper-end large straight gear 15, an upper-end small straight gear 16, an upper-end angle control motor 17, a motor controller 18, a lower-end angle control motor 19, a lower-end small straight gear 20, a lower-end large straight gear 21, a friction plate base 22, a friction plate base connecting rod 23, a conductive pin array 24, a spring mechanism 25 and a metal outer sheath 26.
Referring to fig. 1-4, the live-line detection tool for the electrically-adjusted lightning arrester comprises an insulating rod 1, and an insulating rod fastening piece 2 (a metal internal thread connecting piece) is connected with a detection tool fastening piece 3 (a metal external thread connecting piece). The upper part of the detection tool fastening piece 3 is connected with a lower large spur gear 21. The lower end angle control motor 19 is connected with a lower end small spur gear 20, and the lower end small spur gear 20 is meshed with a lower end large spur gear 21. The lower end big spur gear 21 is installed between the angle adjuster front fixing plate 6 and the angle adjuster rear fixing plate 7. An upper end angle control motor 17 is connected with an upper end small spur gear 16 and meshed with an upper end large spur gear 15, and the upper end large spur gear 15 is installed between the angle regulator front fixing piece 6 and the angle regulator rear fixing piece 7. The upper end angle control motor 17 and the lower end angle control motor 19 are connected with the motor controller 18, the motor control key 4 is connected with the motor controller 18, and the rotation angle is adjusted by the motor control key 4. The current receiving device 9 is connected with a big straight gear 15 at the upper end, consists of a contact terminal 14, a conductive needle row 24, a spring mechanism 25 and a metal outer sheath 26, and is provided with a friction plate 8 at the outer side thereof, and a metal oxide film is removed through the rough surface on the friction plate 8. One end of a conductive pin array 24 consisting of a plurality of small cylindrical metal terminals is responsible for receiving a current signal at the end of the lightning arrester, the other end of the conductive pin array is fixed and connected with a spring mechanism 25 and a metal outer sheath 26, the bottom of the metal outer sheath 26 is connected with the contact terminal 14, and a current path can be formed through a test line and connected with the end of an instrument.
When the lightning arrester installed at a high place is detected by using the lightning arrester testing device, the upper end angle regulator is adjusted to 0 degree through the motor control key 4, then the lower end angle regulator is adjusted to 30 degrees, then one end of a testing wire is fastened on the contact terminal 14, and the other end of the testing wire is connected with testing equipment. The insulating rod 1 is held by an operator, the insulating rod 1 and the equipment form an included angle of 60 degrees at the moment, the operator can stand at the position of 1/2 insulating rod lengths right in front of the equipment, and the change of the pointer of the lightning arrester counter can be clearly observed while operation is achieved. During operation, firstly, the friction plate 8 can be used for rubbing the lightning arrester test point, so that the metal oxide film on the surface is removed, and the test accuracy is improved. The current pick-up device 9 is then placed on the lightning arrester test point, with the contact terminals in close contact with the test point and under force pressing the conductor array 24 and the spring means 25 in close contact. At the moment, a current path is formed between the tested lightning arrester and the test equipment through the conductive pin array 24, the metal outer sheath 26, the contact terminal 14 and the test wire, so that the alternating current leakage current of the lightning arrester can be detected without ascending a height.
When the lightning arrester installed at a low position is detected by using the lightning arrester angle adjusting device, the upper end angle adjuster is adjusted to 90 degrees through the motor control key 4, and then the lower end angle adjuster is adjusted to 0 degree. One end of the test wire is then fastened to the contact terminal 14 and the other end is connected to the test equipment. Insulating rod 1 is handed to the operating personnel, and insulating rod 1 then becomes 90 contained angles with equipment this moment, and the operating personnel then can easily accomplish the live-line detection work to the arrester.
The foregoing description is only exemplary of the utility model and is not intended to limit the spirit of the utility model.
Claims (2)
1. The electrically-adjusted lightning arrester live-line detection tool is characterized by comprising an insulating rod (1), an insulating rod fastener (2), a detection tool fastener (3), a gear transmission device and a current receiving device (9) which are connected in sequence; the current receiving device (9) comprises a contact terminal (14) and a metal outer sheath (26) with an upper opening, a conductive needle array (24) consisting of a plurality of fine cylindrical metal terminals and a spring mechanism (25) are arranged in the metal outer sheath (26), and a friction plate (8) capable of removing a metal oxide film is arranged on the outer side of the metal outer sheath; one end of the conductive pin row (24) is in charge of being connected with a current signal at the end of the lightning arrester, the other end of the conductive pin row is fixed and connected with the spring mechanism (25) and the metal outer sheath (26), and the bottom of the metal outer sheath (26) is connected with the contact terminal (14).
2. The live line detection tool for the electrically regulated arrester according to claim 1, wherein the gear transmission device comprises a lower large spur gear (21), a lower small spur gear (20), a lower angle control motor (19), an upper small spur gear (16), an upper angle control motor (17) and an upper large spur gear (15), which are sequentially engaged and connected; the upper part of the detection tool fastener (3) is connected with a lower end large straight gear (21), a lower end angle control motor (19) is connected with a lower end small straight gear (20) and is meshed with the lower end large straight gear (21), and the lower end large straight gear (21) is arranged between the angle regulator front fixing piece (6) and the angle regulator rear fixing piece (7); an upper end angle control motor (17) is meshed with an upper end small straight gear (16) and is meshed with an upper end large straight gear (15), and the upper end large straight gear (15) is arranged between an angle regulator front fixing piece (6) and an angle regulator rear fixing piece (7); the upper end angle control motor (17) and the lower end angle control motor (19) are connected with a motor controller (18), and the motor control key (4) is connected with the motor controller (18) and is connected with the motor controller (18) by adjusting the rotating angle through the motor control key (4); the current receiving device (9) is connected with a big straight gear (15) at the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632560.7U CN216209261U (en) | 2021-10-31 | 2021-10-31 | Electrically-adjusted lightning arrester live-line detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632560.7U CN216209261U (en) | 2021-10-31 | 2021-10-31 | Electrically-adjusted lightning arrester live-line detection tool |
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| Publication Number | Publication Date |
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| CN216209261U true CN216209261U (en) | 2022-04-05 |
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| CN202122632560.7U Active CN216209261U (en) | 2021-10-31 | 2021-10-31 | Electrically-adjusted lightning arrester live-line detection tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115825502A (en) * | 2023-02-13 | 2023-03-21 | 国网吉林省电力有限公司通化供电公司 | High-altitude wiring device for live test of lightning arrester |
| CN116735917A (en) * | 2023-05-24 | 2023-09-12 | 国网四川省电力公司攀枝花供电公司 | Live detection drainage device for lightning arrester |
-
2021
- 2021-10-31 CN CN202122632560.7U patent/CN216209261U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115825502A (en) * | 2023-02-13 | 2023-03-21 | 国网吉林省电力有限公司通化供电公司 | High-altitude wiring device for live test of lightning arrester |
| CN116735917A (en) * | 2023-05-24 | 2023-09-12 | 国网四川省电力公司攀枝花供电公司 | Live detection drainage device for lightning arrester |
| CN116735917B (en) * | 2023-05-24 | 2024-04-02 | 国网四川省电力公司攀枝花供电公司 | Live detection drainage device for lightning arrester |
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