CN109752623B - Device for simulating overhead line faults caused by insulator breakage defects - Google Patents
Device for simulating overhead line faults caused by insulator breakage defects Download PDFInfo
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- CN109752623B CN109752623B CN201811511742.5A CN201811511742A CN109752623B CN 109752623 B CN109752623 B CN 109752623B CN 201811511742 A CN201811511742 A CN 201811511742A CN 109752623 B CN109752623 B CN 109752623B
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- 239000012212 insulator Substances 0.000 title claims abstract description 53
- 230000007547 defect Effects 0.000 title claims abstract description 28
- 230000006378 damage Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 24
- 230000005389 magnetism Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention relates to a device for simulating faults of an overhead line caused by damage defects of an insulator, which comprises a frame and an electric pole, wherein the electric pole is provided with an insulating wire, the insulating wire is provided with an insulator, the frame is provided with a horizontal cross rod, the horizontal cross rod is provided with a pendulum bob and a lifting drop hammer, and the damage defects of the insulator in different degrees are simulated by damaging the glaze of the insulator through the pendulum bob and/or the lifting drop hammer; the invention has the advantages that: the glaze of the insulator is damaged to different degrees through the pendulum bob and/or the lifting drop hammer on the horizontal cross rod, so that the damage defect of the insulator to different degrees can be simulated, the fault of the overhead line caused by the insulator defect is verified through partial discharge of ultrasonic waves to the insulated wire, an operator can quickly obtain the fault of the overhead line caused by the damage defect to different degrees of the insulator, and when the damage defect occurs to the subsequent insulator, the maintenance scheme can be quickly mastered, the occurrence of the fault of the overhead line is prevented, and the reliable operation of the overhead line is ensured.
Description
Technical Field
The invention relates to a device for simulating faults of an overhead line caused by breakage defects of insulators.
Background
The overhead line mainly refers to an overhead open line, is erected on the ground, is a power transmission line which is formed by fixing a power transmission wire on a pole tower erected on the ground by using an insulator, is convenient to erect and maintain, has lower cost, is easily affected by weather and environment (such as strong wind, lightning stroke, pollution, ice and snow and the like) to cause faults, occupies more land area, is easily caused to surrounding environment, is easy to cause electromagnetic interference, and is easy to influence the faults of the overhead line due to the breakage of the insulator, and the existing operation and maintenance personnel cannot grasp the fault occurrence probability of the overhead line under the breakage environments of different degrees, so that the operation and maintenance personnel cannot maintain the overhead line timely, thereby influencing the transmission of the whole electric energy.
Disclosure of Invention
The invention aims to solve the technical problem that an overhead line cannot be maintained in time due to the fact that an existing operation and maintenance person cannot grasp the overhead line fault caused by the insulator breakage defect.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a device for simulating broken defect of insulator causes overhead line trouble, includes frame and two parallel arrangement's pole in the frame, two insulating wire has been set up between the pole, be equipped with the insulator on the insulating wire, be equipped with horizontal cross bar in the frame, be equipped with pendulum and lift drop hammer on the horizontal cross bar, destroy the insulator glaze through pendulum and/or lift drop hammer and simulate the broken defect of insulator of different degree, be equipped with the ultrasonic wave in the frame, verify the insulator defect and cause overhead line's trouble through ultrasonic wave to insulating wire partial discharge.
Preferably, the horizontal cross bar comprises a first mounting part and a second mounting part, the pendulum bob is mounted on the horizontal cross bar through the first mounting part, and the lifting drop hammer is mounted on the horizontal cross bar through the second mounting part.
Preferably, the first installation department includes support, pendulum rod and dead lever, the support sets up on horizontal pole, the dead lever rotates through the pivot to be connected on the support, the one end of pendulum rod rotates to be connected in the pivot, the pendulum bob sets up the other end at the pendulum rod, be equipped with the electro-magnet that links to each other with the pendulum bob on the dead lever to and the battery that links to each other with the electro-magnet, when the electro-magnet leads to magnetism, the pendulum bob passes through the electro-magnet actuation on the dead lever, when the electro-magnet cuts off magnetism, electro-magnet and pendulum bob separation trigger pendulum bob break away from the dead lever.
Preferably, the fixed rod is further provided with a storage rack for storing the pendulum bob, and the electromagnet is arranged on the storage rack.
Preferably, the second installation department includes slider, push rod motor and connector, slider sliding connection is on horizontal diaphragm, the push rod motor sets up on the slider, the connector sets up on the push rod motor, the lift drop hammer sets up on the connector.
Preferably, the horizontal cross bar is provided with a horizontal sliding rail, the sliding block is arranged on the horizontal sliding rail, and the sliding block is provided with a locking screw.
Preferably, a protective cover is further arranged on the connecting head.
Preferably, the stand is arranged on the stand, and the horizontal cross bar is fixedly connected to the stand through bolts.
Preferably, the rack is also provided with a writing board for recording test results.
In summary, the invention has the advantages that: 1. the glaze of the insulator is damaged to different degrees through the pendulum bob and/or the lifting drop hammer on the horizontal cross rod, so that the damage defects of the insulator to different degrees can be simulated, the faults of the overhead line caused by the insulator defects are verified through partial discharge of ultrasonic waves to the insulated wire, operators can quickly obtain the faults of the overhead line caused by the damage defects of the insulator to different degrees, when the damage defects of the subsequent insulator occur, the maintenance scheme can be quickly mastered, the occurrence of the faults of the overhead line can be prevented, and the reliable operation of the overhead line is ensured;
2. the pendulum bob is arranged on the horizontal cross rod through the first installation part, and the lifting drop bob is arranged on the horizontal cross rod through the second installation part, so that the pendulum bob, the lifting drop bob and the horizontal cross rod form a whole, the whole installation space is reduced, and the whole installation efficiency is improved;
3. the first installation part is arranged into a structure of a bracket, the swing rod and the fixed rod, the fixed rod is arranged on the horizontal cross rod through the bracket, the rotation angle of the fixed rod can be improved, the pendulum is ensured to have enough height to perform pendulum movement, the beating quality of the pendulum to the insulator is improved, the reliability of a test is improved, a battery and an electromagnet are arranged on the fixed rod, when the battery is electrified, the electromagnet is electrified to control the pendulum to be attracted on the fixed rod, the pendulum is ensured to be always fixed on the fixed rod before the test, when the battery is powered off, the electromagnet is electrified to break magnetism, the pendulum is separated from the electromagnet, so that the automatic release of the pendulum is realized, the working strength of the existing manual operation is greatly simplified, and the efficiency of the test is greatly improved;
4. the storage rack is arranged, so that the pendulum bob can be fixedly stored, the contact area of the pendulum bob and the fixed rod is increased, and the fixed quality of the pendulum bob is improved;
5. The second installation part is arranged into a structure of a sliding block, a push rod motor and a connector, the horizontal position of the lifting drop hammer on the horizontal cross rod is adjusted through the sliding of the sliding block on the horizontal cross plate, the lifting drop hammer is connected with the lifting drop hammer through the push rod motor on the sliding block, the lifting drop hammer can be quickly lifted and lowered on the horizontal cross rod through the work of the push rod motor, the connector can be stably installed on the push rod motor, and the shaking of the lifting drop hammer in the lifting process is reduced;
6. The arrangement of the horizontal sliding rail can realize the straightness of the movement of the sliding block on the horizontal cross bar, ensure the stability of the lifting drop hammer in the movement process, reduce the swing of the lifting drop hammer, and realize the locking of the sliding block on the horizontal sliding rail during the test by the arrangement of the locking screw, thereby ensuring the accuracy of the striking position of the lifting drop hammer on the insulator and ensuring the test quality;
7. The arrangement of the protective cover can ensure the sealing effect of the lifting drop hammer of the device in the placing or moving process, reduce the injury of the lifting drop hammer to operators and improve the safety performance of the test;
8. The horizontal cross rod is fixedly connected to the lifting upright post through the bolt, so that the horizontal cross rod can be quickly and stably arranged on the rack, and the device can adapt to the damage test of insulators at different heights, meets different test requirements, and improves the accuracy of the test;
9. the setting of clipboard makes things convenient for the experimenter to write record test result, and is convenient for follow-up archives save, and the fortune dimension personnel of being convenient for inquire, improves the maintenance efficiency when overhead line trouble.
Drawings
FIG. 1 is a schematic diagram of an apparatus for simulating an overhead line fault caused by an insulator breakage defect according to the present invention;
FIG. 2 is a schematic view of a first mounting portion according to the present invention;
Fig. 3 is a schematic structural view of a second mounting portion in the present invention.
Reference numerals:
1 frame, 11 poles, 12 insulated conductors, 13 insulators, 14 ultrasonic waves, 15 lifting upright posts, 16 bolts, 17 writing boards, 2 horizontal cross bars, 21 pendulum bobs, 22 lifting drop hammers, 23 horizontal sliding rails, 3 first mounting parts, 31 brackets, 32 pendulum rods, 33 fixing rods, 34 electromagnets, 35 batteries, 36 storage frames, 4 second mounting parts, 41 sliding blocks, 42 push rod motors, 43 connectors, 44 locking screws and 45 protection covers.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, a device for simulating faults of an overhead line caused by breakage defects of an insulator comprises a frame 1 and two electric poles 11 which are arranged on the frame 1 in parallel, wherein an insulating wire 12 is erected between the two electric poles 11, the insulating wire 12 is provided with the insulator 13, the frame 1 is provided with a horizontal cross rod 2, the horizontal cross rod 2 is provided with a pendulum 21 and a lifting drop hammer 22, the glaze of the insulator 13 is broken through the pendulum 21 and/or the lifting drop hammer 22 to simulate the faults of the insulator 13 in different degrees, the frame 1 is provided with an ultrasonic wave 14, the insulating wire 12 is partially discharged through the ultrasonic wave 14 to verify the faults of the insulator 13, the glaze of the insulator 13 is broken in different degrees through the pendulum 21 and/or the lifting drop hammer 22 on the horizontal cross rod 2, so that the faults of the insulator 13 in different degrees can be simulated, the faults of the overhead line caused by the insulator 13 are verified through partial discharge of the ultrasonic wave 14, operators can obtain the faults of the insulator 13 in different degrees, and the faults of the overhead line caused by breakage can be conveniently and rapidly mastered when the faults of the overhead line occur, and the faults of the overhead line are quickly broken are ensured.
The horizontal cross rod 2 comprises a first installation part 3 and a second installation part 4, the pendulum 21 is installed on the horizontal cross rod 2 through the first installation part 3, the lifting drop hammer 22 is installed on the horizontal cross rod 2 through the second installation part 4, the pendulum 21, the lifting drop hammer 22 and the horizontal cross rod 2 can form a whole, the whole installation space is reduced, and the whole installation efficiency is improved.
The first installation part 3 comprises a bracket 31, a swinging rod 32 and a fixed rod 33, the bracket 31 is arranged on the horizontal cross rod 2, the fixed rod 33 is rotationally connected to the bracket 31 through a rotating shaft, one end of the swinging rod 32 is rotationally connected to the rotating shaft, the pendulum 21 is arranged at the other end of the swinging rod, an electromagnet 34 connected with the pendulum 21 and a battery 35 connected with the electromagnet 34 are arranged on the fixed rod 33, when the electromagnet 34 is magnetized, the pendulum 21 is attracted to the fixed rod 33 through the electromagnet 34, when the electromagnet 34 is magnetized, the electromagnet 34 is separated from the pendulum 21 to trigger the pendulum 21 to separate from the fixed rod 33, the first installation part 3 is arranged into a structure of the bracket 31, the swinging rod 32 and the fixed rod 33, the fixed rod 33 is arranged on the horizontal cross rod 2 through the bracket 31, the rotating angle of the fixed rod 33 can be increased, the pendulum 21 is ensured to have enough height to move the pendulum 21, the device improves the beating quality of the pendulum 21 to the insulator 13, thereby improving the reliability of the test, and the battery 35 and the electromagnet 34 are arranged on the fixed rod 33, when the battery 35 is electrified to enable the electromagnet 34 to be electrified to control the pendulum 21 to be attracted on the fixed rod 33, the pendulum 21 can be ensured to be fixed on the fixed rod 33 all the time before the test, when the battery 35 is powered off to enable the electromagnet 34 to be powered off, the pendulum 21 is separated from the electromagnet 34, thereby realizing the automatic release of the pendulum 21, greatly simplifying the working strength of the existing manual operation, greatly improving the efficiency of the test, and the fixed rod 33 is also provided with the storage rack 36 for storing the pendulum 21, the electromagnet 34 is arranged on the storage rack 36, thereby realizing the fixed storage of the pendulum 21, improving the contact area of the pendulum 21 and the fixed rod 33 and improving the fixing quality of the pendulum 21.
The second installation department 4 includes slider 41, push rod motor 42 and connector 43, slider 41 sliding connection is on horizontal diaphragm, push rod motor 42 sets up on slider 41, connector 43 sets up on push rod motor 42, lift drop hammer 22 sets up on connector 43, set up the structure of slider 41, push rod motor 42 and connector 43 into second installation department 4, adjust the horizontal position of lift drop hammer 22 on horizontal pole 2 through the slip of slider 41 on horizontal diaphragm, and link to each other with lift drop hammer 22 through push rod motor 42 on the slider 41, the realization that can be quick through the work of push rod motor 42 goes up and down of lift drop hammer 22 on horizontal pole 2, connector 43 can realize that lift drop hammer 22 is stable installs on push rod motor 42, reduce the rocking of lift drop hammer 22 in-process that rises.
The horizontal cross bar 2 is provided with the horizontal slide rail 23, the sliding block 41 is arranged on the horizontal slide rail 23, the sliding block 41 is provided with the locking screw 44, the setting of the horizontal slide rail 23 can realize the straightness of the sliding block 41 moving on the horizontal cross bar 2, ensure the stability of the lifting drop hammer 22 in the moving process, reduce the swing of the lifting drop hammer 22, the setting of the locking screw 44 can realize the locking of the sliding block 41 on the horizontal slide rail 23 during the test, ensure the accuracy of the striking position of the lifting drop hammer 22 on the insulator 13, ensure the test quality, the connector 43 is also provided with the protective cover 45, and the protective cover 45 can ensure the sealing effect of the lifting drop hammer 22 in the placing or moving process of the device, reduce the injury of the lifting drop hammer 22 to operators, and improve the safety performance of the test.
Be equipped with lift stand 15 in the frame 1, horizontal pole 2 passes through bolt 16 fixed connection on lift stand 15, through bolt 16 with horizontal pole 2 fixed connection on lift stand 15, can realize that horizontal pole 2 is quick steady installs in frame 1, and can adapt to the damage test to insulator 13 under the different height, satisfied different test demands, improved experimental rate of accuracy, still be equipped with the clipboard 17 of record test result on the frame 1, the setting of clipboard 17, the test personnel of convenience write record test result, the follow-up archives of being convenient for preserve and the operation and maintenance personnel inquiry of being convenient for improves the maintenance efficiency when overhead line trouble.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.
Claims (7)
1. An apparatus for simulating an overhead line fault caused by an insulator breakage defect, comprising: the device comprises a frame and two electric poles which are arranged on the frame in parallel, wherein an insulating wire is arranged between the two electric poles, an insulator is arranged on the insulating wire, a horizontal cross rod is arranged on the frame, a pendulum bob and a lifting drop bob are arranged on the horizontal cross rod, the damage defects of insulators in different degrees are simulated by damaging the glaze of the insulators through the pendulum bob and/or the lifting drop bob, ultrasonic waves are arranged on the frame, and partial discharge of the ultrasonic waves to the insulating wire is used for verifying that the defects of the insulators cause faults of overhead lines;
The horizontal cross rod comprises a first installation part and a second installation part, the pendulum bob is installed on the horizontal cross rod through the first installation part, and the lifting drop bob is installed on the horizontal cross rod through the second installation part;
The first installation department includes support, pendulum rod and dead lever, the support sets up on horizontal pole, the dead lever rotates through the pivot to be connected on the support, the one end of pendulum rod rotates to be connected in the pivot, the pendulum sets up the other end at the pendulum rod, be equipped with the electro-magnet that links to each other with the pendulum on the dead lever to and the battery that links to each other with the electro-magnet, when the electro-magnet leads to magnetism, the pendulum passes through the electro-magnet actuation on the dead lever, when the electro-magnet is cut off magnetism, electro-magnet and pendulum separation trigger pendulum break away from the dead lever.
2. An apparatus for simulating a failure of an overhead line due to a breakage defect of an insulator as set forth in claim 1, wherein: the fixed rod is also provided with a storage rack for storing the pendulum bob, and the electromagnet is arranged on the storage rack.
3. An apparatus for simulating a failure of an overhead line due to a breakage defect of an insulator as set forth in claim 1, wherein: the second installation department includes slider, push rod motor and connector, slider sliding connection is on horizontal pole, the push rod motor sets up on the slider, the connector sets up on the push rod motor, the lift drop hammer sets up on the connector.
4. A device for simulating an overhead line fault caused by an insulator breakage defect according to claim 3, wherein: the horizontal cross bar is provided with a horizontal sliding rail, the sliding block is arranged on the horizontal sliding rail, and the sliding block is provided with a locking screw.
5. A device for simulating an overhead line fault caused by an insulator breakage defect according to claim 3, wherein: and a protective cover is further arranged on the connecting head.
6. An apparatus for simulating a failure of an overhead line due to a breakage defect of an insulator as set forth in claim 1, wherein: the lifting stand column is arranged on the frame, and the horizontal cross rod is fixedly connected to the lifting stand column through bolts.
7. An apparatus for simulating a failure of an overhead line due to a breakage defect of an insulator as set forth in claim 1, wherein: and a writing board for recording test results is further arranged on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511742.5A CN109752623B (en) | 2018-12-07 | 2018-12-07 | Device for simulating overhead line faults caused by insulator breakage defects |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811511742.5A CN109752623B (en) | 2018-12-07 | 2018-12-07 | Device for simulating overhead line faults caused by insulator breakage defects |
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| CN109752623A CN109752623A (en) | 2019-05-14 |
| CN109752623B true CN109752623B (en) | 2024-07-12 |
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| CN111799697B (en) * | 2020-07-08 | 2021-09-03 | 云南电网有限责任公司电力科学研究院 | Self-explosion simulation method and system for glass insulator of power transmission line |
| CN115407163A (en) * | 2022-07-21 | 2022-11-29 | 国网冀北电力有限公司张家口供电公司 | Device for simulating fault of overhead line caused by damage defect of insulator |
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