CN111896891B - High-voltage power cable fault detection device - Google Patents
High-voltage power cable fault detection device Download PDFInfo
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- CN111896891B CN111896891B CN202010784390.1A CN202010784390A CN111896891B CN 111896891 B CN111896891 B CN 111896891B CN 202010784390 A CN202010784390 A CN 202010784390A CN 111896891 B CN111896891 B CN 111896891B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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Abstract
The invention discloses a high-voltage power cable fault detection device, which relates to the technical field of high-voltage cable fault detection and comprises a box body, wherein the top surface of the box body is provided with an opening, the rear side of the top surface of the box body is hinged with a box cover, the box cover can be matched with an upper opening of the box body, the box cover is connected with the front side of the top surface of the box body through a buckle, a placing box is fixedly installed on one side of the box body, a sleeve is fixedly installed on the other side of the box body, circular through grooves are formed in the upper side and the lower side of the inner part of the sleeve, a vertical rotating rod is arranged in the placing box. The high-voltage cable emergency repair device is reasonable in structural design, convenient to use and carry, and capable of detecting whether the high-voltage cable breaks down or not, so that maintenance personnel can repair the cable in time conveniently, power supply accidents are effectively reduced, influences of residents and industrial electricity are reduced, and working efficiency of workers can be effectively improved.
Description
Technical Field
The invention relates to the technical field of high-voltage cable fault detection, in particular to a high-voltage power cable fault detection device.
Background
High-voltage electric energy is transmitted to a high-voltage wire in a long distance in the field, and the high-voltage wire is generally hung by an iron tower; because the distance between the iron towers is long, the high-voltage wires with large span between the iron towers are easy to be pulled and twisted under the severe working environment in the field, so that the surfaces of the high-voltage wires are locally torn, if the high-voltage wires are discovered and repaired in time, the high-voltage wires are finally accidentally broken, power supply accidents are caused, the electricity consumption of residents and industry is influenced, and animals and plants on the bottom surface, even pedestrians are injured; at present, defect early warning work of high-voltage wires is mainly carried out on-site inspection by patrolling personnel, specifically, visual inspection is carried out, and sometimes, equipment such as a telescope is used for observation. Due to the limited vision observation capability of people, even under the condition of using auxiliary equipment such as a telescope and the like, accurate observation data cannot be obtained for a high-voltage wire with a large hanging height, and the method causes the life hidden trouble of personnel for workers.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a fault detection device for a high-voltage power cable, which aims to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: comprises a box body, the top surface of the box body is provided with an opening, the rear side of the top surface of the box body is hinged and connected with a box cover, the box cover can be matched with the upper opening of the box body, the box cover is connected with the front side of the top surface of the box body through a buckle, one side of the box body is fixedly provided with a placing box, the other side of the box body is fixedly provided with a sleeve, the upper side and the lower side of the inner part of the sleeve are both provided with circular through grooves, a vertical rotating rod is arranged in the placing box, the end part of the rotating rod is fixedly connected with the inner wall of the placing box through a bearing, a torsion spring is fixedly arranged between the end part of the rotating rod and the placing box, one side of the placing box is provided with a first strip-shaped through groove, a binding belt passes through the first strip-shaped through groove, one end of the binding belt is positioned in the placing, the spring always provides thrust for the wedge block, the fixed block can be inserted into the sleeve, the wedge block can be inserted into the circular through groove and matched with the circular through groove, two sides of the bottom surface inside the box body are fixedly provided with vertical cylinders, vertical rods are arranged in the cylinders and can move along the cylinders, the upper end of each vertical rod is provided with a transverse plate in a bearing mode, one side of each transverse plate is provided with a round hole, a screw is arranged in each round hole, one end of each screw is located outside each round hole, the other end of each screw is rotatably connected with the inner wall of each round hole through a bearing, one side of the top surface of each transverse plate is provided with a limiting groove which is communicated with the inside of each round hole, a movable block is arranged in each limiting groove, the lower end of each movable block is provided with a screw hole, each screw penetrates through each screw, the lower end of each movable block is located in, the inboard fixed mounting cable positioning appearance of splint, splint and cable positioning appearance can remove to in the box, the opposite side fixed mounting pilot lamp of diaphragm top surface, the rear side of drum upper end is opened and is established the second bar and pass through the groove, the second bar passes through the inslot and is equipped with the gear, the front side of gear is equipped with vertical rack, rack fixed mounting is on the montant, the rack meshes with the gear mutually, the through-hole is all seted up to the both sides of box, be equipped with the rotation axis in the through-hole, the one end of rotation axis and the pivot fixed connection of corresponding gear, the other end of rotation axis is located the outside of through-hole, the rotation axis passes.
According to the fault detection device for the high-voltage power cable, the inner sides of the binding bands are fixedly provided with the soft pads.
According to the high-voltage power cable fault detection device, the front surface of the box cover is provided with the groove, and the hinged connection handle is arranged in the groove.
According to the high-voltage power cable fault detection device, the spherical groove is formed in the front side of the upper end of the cylinder, the spherical groove is internally provided with the ball, the ball can roll in the spherical groove, and the ball can be in contact with the vertical rod.
According to the high-voltage power cable fault detection device, the storage battery is fixedly mounted on the bottom surface inside the box body and located between the two cylinders, the charging port is formed in the front surface of the box body, and the charging port and the indicating lamp are both electrically connected with the storage battery.
The invention has the advantages that: the high-voltage cable emergency repair device is reasonable in structural design, convenient to use and carry, and capable of detecting whether the high-voltage cable breaks down or not, so that maintenance personnel can repair the cable in time conveniently, power supply accidents are effectively reduced, influences of residents and industrial electricity are reduced, and working efficiency of workers can be effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is an enlarged view of the view from the direction A of FIG. 1; fig. 3 is a partial enlarged view of I of fig. 1.
Reference numerals: 1-box body, 2-placing box, 3-sleeve, 4-round through groove, 5-rotating rod, 6-torsion spring, 7-first strip through groove, 8-binding band, 9-fixing block, 10-strip groove, 11-wedge block, 12-spring, 13-cylinder, 14-vertical rod, 15-horizontal plate, 16-round hole, 17-screw, 18-limiting groove, 19-moving block, 20-screw hole, 21-connecting block, 22-clamping plate, 23-cable positioning instrument, 24-indicator light, 25-second strip through groove, 26-gear, 27-rack, 28-through hole, 29-rotating shaft and 30-box cover.
Detailed Description
As shown in fig. 1 to 3, the high voltage power cable fault detection device specifically disclosed in this embodiment includes a box body 1, an opening is provided on a top surface of the box body 1, a box cover 30 is hinged to a rear side of the top surface of the box body 1, the box cover 30 can be matched with an upper opening of the box body 1, the box cover 30 is connected with a front side of the top surface of the box body 1 through a buckle, a placing box 2 is fixedly installed on one side of the box body 1, a sleeve 3 is fixedly installed on the other side of the box body 1, circular through grooves 4 are respectively provided on upper and lower sides inside the sleeve 3, a vertical rotating rod 5 is provided in the placing box 2, an end of the rotating rod 5 is fixedly connected with an inner wall of the placing box 2 through a bearing, a torsion spring 6 is fixedly installed between an end of the rotating rod 5 and the placing box 2, a first strip through groove 7 is provided on one side of the placing box 2, the other end of the binding band 8 is fixedly provided with a fixed block 9, the upper side and the lower side of the fixed block 9 are both provided with a strip-shaped groove 10, the outer part of the strip-shaped groove 10 is provided with a wedge-shaped block 11, the wedge surface of the wedge-shaped block 11 is rightward, the wedge-shaped block 11 is fixedly connected with the strip-shaped groove 10 through a spring 12, the spring 12 always provides thrust for the wedge-shaped block 11, the fixed block 9 can be inserted into the sleeve 3, the wedge-shaped block 11 can be inserted into the circular through groove 4 and matched with the circular through groove 4, two sides of the inner bottom surface of the box body 1 are both fixedly provided with a vertical cylinder 13, a vertical rod 14 is arranged in the cylinder 13, the vertical rod 14 can move along the cylinder 13, the upper end of the vertical rod 14 is provided with a transverse plate 15 through a bearing, one side of the transverse plate 15 is provided with a round hole 16, a screw, the limiting groove 18 is communicated with the inside of the round hole 16, a moving block 19 is arranged in the limiting groove 18, a screw hole 20 is formed in the lower end of the moving block 19, the screw rod 17 penetrates through the screw hole 20, the lower end of the moving block 19 is located in the round hole 16, the moving block 19 can move along the round hole 16, the limiting groove 18 and the screw rod 17, a connecting block 21 is fixedly installed on the other side of the top surface of the transverse plate 15, arc-shaped clamping plates 22 are fixedly installed on the top surfaces of the connecting block 21 and the moving block 19, a cable positioning instrument 23 is fixedly installed on the inner side of the clamping plate 22, the clamping plate 22 and the cable positioning instrument 23 can move into the box body 1, an indicator lamp 24 is fixedly installed on the other side of the top surface of the transverse plate 15, a second strip-shaped through groove 25 is formed in the rear side of the upper end of the cylinder 13, a gear 26 is arranged in the second strip-shaped, the through hole 28 is internally provided with a rotating shaft 29, one end of the rotating shaft 29 is fixedly connected with the rotating shaft of the corresponding gear 26, the other end of the rotating shaft 29 is positioned outside the through hole 28, and the rotating shaft 29 is rotatably connected with the inner wall of the through hole 28 through a bearing. The high-voltage cable emergency repair device is reasonable in structural design, convenient to use and carry, and capable of detecting whether the high-voltage cable breaks down or not, so that maintenance personnel can repair the cable in time conveniently, power supply accidents are effectively reduced, influences of residents and industrial electricity are reduced, and working efficiency of workers can be effectively improved. When the device is used, a worker pulls the binding belt 8, the binding belt 8 moves outwards in the placing box 2 through the first strip-shaped through groove 7, the binding belt 8 is in contact with the waist of the worker, the fixing block 9 is inserted into the sleeve 3, meanwhile, the wedge block 11 is pushed by the spring 13 and is clamped into the circular through groove 4, the device can be bound to the waist of the worker under the automatic tensioning action of the torsion spring 6, the worker opens the box cover 30 and rotates the rotating shaft 29, the rotating shaft 29 drives the gear 26 to rotate, the gear 26 rotates to drive the vertical rod 14 to move upwards along the cylinder 13 through the rack 27, the vertical rod 14 drives the moving block 19, the connecting block 21 and the clamping plate 22 to move out in the box body 1 through the transverse plate 15, the clamping plate 22 drives the cable positioning instrument 23 to move out in the box body 1, and the angle of the transverse plate 15 can be adjusted through the bearing on the bottom surface, thereby being capable of adjusting the angles of the clamping plate 22 and the cable positioning instrument 23, placing a cable to be detected between the two cable positioning instruments 23, rotating the screw rod 17 to drive the moving block 19 to move, driving the cable positioning instrument 23 to be close to the cable positioning instrument 23 on the connecting block 21 by the moving block 19 through the clamping plate 22, enabling the two cable positioning instruments 23 to be contacted with the cable, enabling the device to move along the cable, the cable line is detected by the cable locator 23, the indicator light 24 is lightened or flickered when the cable fault is detected, the cable line with alarm is run back and forth for detection, and finally the range of the cable line can be determined, therefore, the cable can be repaired in time conveniently by maintainers, power supply accidents are effectively reduced, the influence of residents and industrial power consumption is reduced, and the working efficiency of workers can be effectively improved; after using this device, take out the cable between two cable positioning appearance 23, press wedge 11, make wedge 11 remove to bar groove 10 in, extract fixed block 9 in sleeve 3 simultaneously, just can take off this device at staff's waist, can be automatically with bandage 8 pulling under the effect of torsional spring 6 to placing in the box 2 and winding on corresponding dwang 5, bandage 8 is located places box 2, can play the effect of protection to bandage 8.
Specifically, the inner sides of the straps 8 according to the present embodiment are each fixedly provided with a cushion. When using bandage 8 to tie up on the staff's waist, can avoid bandage 8 to cause the waist of staff to rein in the trace through the cushion, can improve staff's travelling comfort.
Specifically, the front surface of the case cover 30 according to this embodiment is provided with a groove, and a hinged handle is disposed in the groove. When the device is used, the device can be conveniently carried through the lifting handle, so that the device is more convenient to use.
Furthermore, the front side of the upper end of the cylinder 13 is provided with a spherical groove, a ball is arranged in the spherical groove, the ball can roll in the spherical groove, and the ball can contact with the vertical rod 14. When the vertical rod 14 moves up and down in the cylinder 13 by using the device, the spherical ball is contacted with the vertical rod 14, so that the vertical rod 14 can be more stable when moving.
Furthermore, in the present embodiment, a storage battery is fixedly installed on the bottom surface inside the box 1, the storage battery is located between the two cylinders 13, a charging port is disposed on the front surface of the box 1, and the charging port and the indicator light 24 are electrically connected to the storage battery. When the device is used, the indicator lamp 24 can be supplied with electric energy through the storage battery, and the storage battery can be charged through the charging port.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but these descriptions should not be construed as limiting the scope of the present invention, and the technical contents not described in detail in the present invention are known in the art.
Claims (5)
1. The utility model provides a high voltage power cable fault detection device which characterized in that: comprises a box body (1), the top surface of the box body (1) is provided with an opening, the rear side of the top surface of the box body (1) is hinged with a box cover (30), the box cover (30) can be matched with the upper opening of the box body (1), the box cover (30) is connected with the front side of the top surface of the box body (1) through a buckle, a box (2) is fixedly installed on one side of the box body (1), a sleeve (3) is fixedly installed on the other side of the box body (1), circular through grooves (4) are respectively formed in the upper side and the lower side of the inner part of the sleeve (3), a vertical rotating rod (5) is arranged in the box (2), the end part of the rotating rod (5) is fixedly connected with the inner wall of the box (2) through a bearing, a torsion spring (6) is fixedly installed between the end part of the rotating rod (5) and the box (2), a first strip through groove (7) is, one end of a binding band (8) is positioned in the placing box (2), the other end of the binding band (8) is fixedly provided with a fixed block (9), the upper side and the lower side of the fixed block (9) are respectively provided with a strip-shaped groove (10), the outside of the strip-shaped groove (10) is provided with a wedge-shaped block (11), the wedge surface of the wedge-shaped block (11) is rightward, the wedge-shaped block (11) is fixedly connected with the strip-shaped groove (10) through a spring (12), the spring (12) always provides thrust for the wedge-shaped block (11), the fixed block (9) can be inserted into the sleeve (3), the wedge-shaped block (11) can be inserted into the circular through groove (4) and matched with the circular through groove (4), the two sides of the inner bottom surface of the box body (1) are respectively and fixedly provided with a vertical cylinder (13), a vertical rod (14) is arranged in the cylinder (13), the vertical rod (14) can move along the cylinder (13), the upper, a screw rod (17) is arranged in the round hole (16), one end of the screw rod (17) is positioned outside the round hole (16), the other end of the screw rod (17) is rotatably connected with the inner wall of the round hole (16) through a bearing, a limiting groove (18) is formed in one side of the top surface of the transverse plate (15), the limiting groove (18) is communicated with the inside of the round hole (16), a moving block (19) is arranged in the limiting groove (18), a screw hole (20) is formed in the lower end of the moving block (19), the screw rod (17) penetrates through the screw hole (20), the lower end of the moving block (19) is positioned in the round hole (16), the moving block (19) can move along the round hole (16), the limiting groove (18) and the screw rod (17), a connecting block (21) is fixedly installed on the other side of the top surface of the transverse plate (15), arc-shaped clamping plates (22) are fixedly installed on the, splint (22) and cable positioning appearance (23) can remove to in box (1), opposite side fixed mounting pilot lamp (24) of diaphragm (15) top surface, the rear side of drum (13) upper end is opened and is established the second strip and pass through groove (25), be equipped with gear (26) in the second strip passes through groove (25), the front side of gear (26) is equipped with vertical rack (27), rack (27) fixed mounting is on montant (14), rack (27) mesh mutually with gear (26), through-hole (28) are all seted up to the both sides of box (1), be equipped with rotation axis (29) in through-hole (28), the one end of rotation axis (29) and the pivot fixed connection of corresponding gear (26), the other end of rotation axis (29) is located the outside of through-hole (28), rotation axis (29) are connected through bearing rotation with the inner wall of through-hole (28).
2. A high voltage power cable fault detection device according to claim 1, wherein: the inner sides of the binding bands (8) are fixedly provided with soft pads.
3. A high voltage power cable fault detection device according to claim 1, wherein: the front surface of the box cover (30) is provided with a groove, and a hinged connection handle is arranged in the groove.
4. A high voltage power cable fault detection device according to claim 1, wherein: the front side of the upper end of the cylinder (13) is provided with a spherical groove, a ball is arranged in the spherical groove, the ball can roll in the spherical groove, and the ball can be contacted with the vertical rod (14).
5. A high voltage power cable fault detection device according to claim 1, wherein: the storage battery is fixedly arranged on the bottom surface inside the box body (1), the storage battery is positioned between the two cylinders (13), the front surface of the box body (1) is provided with a charging port, and the charging port and the indicator lamp (24) are electrically connected with the storage battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010784390.1A CN111896891B (en) | 2020-08-06 | 2020-08-06 | High-voltage power cable fault detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010784390.1A CN111896891B (en) | 2020-08-06 | 2020-08-06 | High-voltage power cable fault detection device |
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| CN111896891A CN111896891A (en) | 2020-11-06 |
| CN111896891B true CN111896891B (en) | 2021-04-06 |
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| CN113075587B (en) * | 2021-03-01 | 2023-11-10 | 国网山东省电力公司沂南县供电公司 | Power equipment fault positioning device and use method thereof |
| CN113922306B (en) * | 2021-09-02 | 2023-05-16 | 山东鲁能光大电力器材有限公司 | Adjustable tubular busbar flat-mouth telescopic wire clamp |
| CN114937315A (en) * | 2022-05-23 | 2022-08-23 | 广东电网有限责任公司 | Power distribution network inspection device |
| CN115078919B (en) * | 2022-08-22 | 2023-01-24 | 广东电网有限责任公司东莞供电局 | Power grid fault detection device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846744B1 (en) * | 2007-04-11 | 2008-07-16 | (주)대홍전력 | Transfer apparatus of robot for inspecting distribution power line |
| CN106019086A (en) * | 2016-07-18 | 2016-10-12 | 国家电网公司 | High-voltage overhead conductor test system |
| CN206725697U (en) * | 2017-03-21 | 2017-12-08 | 安徽徽辰电气有限公司 | A kind of transmission open acess intelligent monitoring device |
| CN108020182A (en) * | 2017-11-29 | 2018-05-11 | 国网山东省电力公司经济技术研究院 | A kind of cable protrusion damage detection apparatus |
| CN207703966U (en) * | 2017-12-15 | 2018-08-07 | 包头市颐能电气修建有限责任公司 | A kind of cable fault detection instrument |
| CN207765861U (en) * | 2018-01-23 | 2018-08-24 | 陈友余 | Shock preventing protector of electric during electric power overhaul |
| CN208043991U (en) * | 2018-03-29 | 2018-11-02 | 重庆东电通信技术有限公司 | Transmission open acess on-Line Monitor Device |
| CN209316374U (en) * | 2018-11-02 | 2019-08-30 | 郑均旗 | A kind of fixed bracket of clinical anesthesia |
| CN209673938U (en) * | 2019-03-05 | 2019-11-22 | 苏州华天国科电力科技有限公司 | A kind of distribution line failure positioning device |
| CN210051843U (en) * | 2019-04-18 | 2020-02-11 | 苏州市威尔华电气技术有限公司 | Cable fault tester with adjustable height |
| CN210572681U (en) * | 2019-06-20 | 2020-05-19 | 合肥国晨线束科技有限公司 | Wiring harness conduction detection workbench |
-
2020
- 2020-08-06 CN CN202010784390.1A patent/CN111896891B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846744B1 (en) * | 2007-04-11 | 2008-07-16 | (주)대홍전력 | Transfer apparatus of robot for inspecting distribution power line |
| CN106019086A (en) * | 2016-07-18 | 2016-10-12 | 国家电网公司 | High-voltage overhead conductor test system |
| CN206725697U (en) * | 2017-03-21 | 2017-12-08 | 安徽徽辰电气有限公司 | A kind of transmission open acess intelligent monitoring device |
| CN108020182A (en) * | 2017-11-29 | 2018-05-11 | 国网山东省电力公司经济技术研究院 | A kind of cable protrusion damage detection apparatus |
| CN207703966U (en) * | 2017-12-15 | 2018-08-07 | 包头市颐能电气修建有限责任公司 | A kind of cable fault detection instrument |
| CN207765861U (en) * | 2018-01-23 | 2018-08-24 | 陈友余 | Shock preventing protector of electric during electric power overhaul |
| CN208043991U (en) * | 2018-03-29 | 2018-11-02 | 重庆东电通信技术有限公司 | Transmission open acess on-Line Monitor Device |
| CN209316374U (en) * | 2018-11-02 | 2019-08-30 | 郑均旗 | A kind of fixed bracket of clinical anesthesia |
| CN209673938U (en) * | 2019-03-05 | 2019-11-22 | 苏州华天国科电力科技有限公司 | A kind of distribution line failure positioning device |
| CN210051843U (en) * | 2019-04-18 | 2020-02-11 | 苏州市威尔华电气技术有限公司 | Cable fault tester with adjustable height |
| CN210572681U (en) * | 2019-06-20 | 2020-05-19 | 合肥国晨线束科技有限公司 | Wiring harness conduction detection workbench |
Non-Patent Citations (1)
| Title |
|---|
| 基于光纤传感器的电力电缆故障在线测距***;赵展 等;《电测与仪表》;20170710;第54卷(第13期);第75-78、84页 * |
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| CN111896891A (en) | 2020-11-06 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Fault Detection Device for High Voltage Power Cables Effective date of registration: 20230601 Granted publication date: 20210406 Pledgee: Laiwu Branch of China Construction Bank Corp. Pledgor: Shandong Zhengtai Cable Co.,Ltd. Registration number: Y2023980042643 |
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