CN115656563A - Distribution network cable live-line detection insulation defect device - Google Patents
Distribution network cable live-line detection insulation defect device Download PDFInfo
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- CN115656563A CN115656563A CN202211207471.0A CN202211207471A CN115656563A CN 115656563 A CN115656563 A CN 115656563A CN 202211207471 A CN202211207471 A CN 202211207471A CN 115656563 A CN115656563 A CN 115656563A
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- 238000001514 detection method Methods 0.000 title claims abstract description 76
- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 230000007547 defect Effects 0.000 title claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 21
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to the technical field of power equipment, and discloses a distribution network cable electrified detection insulation defect device which comprises a detection table, a clamping component and a detection frame, wherein the clamping component and the detection frame are used for fixing two ends of a cable, the detection frame is in sliding connection with the detection table, an outer rotating ring is arranged in the center of the detection frame, a rotating component for driving the outer rotating ring to rotate is further arranged in the detection frame, an inner rotating ring is further arranged in the center of the outer rotating ring, the inner rotating ring is fixedly connected with the inner wall of the outer rotating ring through a fixing component, a conductive column is arranged in the center of the inner rotating ring and is connected with the inner rotating ring through an adjusting component, the conductive column is abutted against the insulating outer wall of the cable through the adjusting component, a current induction component is further arranged on the inner rotating ring and is connected with the current induction component.
Description
Technical Field
The invention relates to a cable insulation detection device, in particular to a distribution network cable electrified detection insulation defect device.
Background
The distribution network cable is one of important devices in the operation of a power grid, the cable needs insulation detection before use, when an insulation shell of the cable cracks, potential safety hazards of electric leakage exist, and the conventional insulation detection device is usually sleeved on the insulation shell of the cable to sense whether current leakage exists or not to judge the insulation effect. Because the cable has multiple specifications, single equipment is difficult to adapt to cables of different specifications, and easy omission causes unsatisfactory detection results.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a device for detecting the insulation defect in a charged manner, which can be adapted to various specifications.
The technical scheme of the invention is realized as follows:
the invention provides a distribution network cable electrified detection insulation defect device which comprises a detection table, clamping components and a detection frame, wherein the clamping components are used for fixing two ends of a cable, the detection frame is arranged between the clamping components, the detection frame is in sliding connection with the detection table, an outer rotating ring is arranged in the center of the detection frame and is in rotating connection with the detection frame, a rotating component for driving the outer rotating ring to rotate is further arranged in the detection frame, an inner rotating ring is further arranged in the center of the outer rotating ring and is fixedly connected with the inner wall of the outer rotating ring through a fixing component, a conductive column and a conductive column are arranged in the center of the inner rotating ring, the conductive column is connected with the inner rotating ring through a distance adjusting component, the conductive column is abutted against the insulating outer wall of the cable through the distance adjusting component, a current induction component is further arranged on the inner rotating ring, and the conductive column is connected with the current induction component.
Preferably, the clamping part comprises a clamping seat, a placing groove for a cable to pass through and concentric with the outer rotating ring is formed in the upper portion of the clamping seat, a plurality of arc-shaped clamping blocks for compressing the cable are arranged in the placing groove, and a clamping mechanism for driving the arc-shaped clamping blocks to do telescopic motion is arranged in the clamping seat.
Preferably, the clamping mechanism comprises a hydraulic cylinder, the hydraulic cylinder is installed in the clamping seat along the circumferential direction of the placing groove, the clamping seat is provided with a hole groove communicated with the placing groove, and a piston rod of the hydraulic cylinder penetrates through the hole groove and is fixedly connected with the arc-shaped clamping block.
Preferably, the rotating part comprises a worm wheel, a worm and a rotating motor, the worm wheel is sleeved on the outer wall of the outer rotating ring, the worm is connected with the inner wall of the detection frame in a rotating mode, the rotating motor is installed on the outer wall of the detection frame, an output shaft of the rotating motor is coaxially connected with the worm, and the worm wheel is connected with the worm in a meshed mode.
Preferably, the roll adjustment part includes the mounting bracket, roll adjustment bolt and the guide bar of "concave" type, it locates to lead electrical pillar in the mounting bracket, lead electrical pillar's both ends through the pivot with the inner wall of mounting bracket rotates to be connected, set up on the interior swivel becket with roll adjustment bolt threaded connection's helicla flute and with guide bar sliding connection's guide way, the roll adjustment bolt the inner with the mounting bracket rotates to be connected, the inner of guide bar with mounting bracket fixed connection.
Preferably, the current sensing component includes an induction lamp, the induction lamp is disposed on an outer wall of the inner rotating ring, and the conductive column is electrically connected to the induction lamp through a conductive wire.
Preferably, the detection frame, the outer rotating ring, the inner rotating ring, the rotating component and the distance adjusting component are all made of insulating materials.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a distribution network cable electrified detection insulation defect device, wherein a cable to be detected sequentially passes through a right clamping part, an inner detection ring and a left clamping part, the cable is concentric with an outer rotating ring, a conductive column is adjusted to be abutted against an insulation shell of the cable through a distance adjusting part, then the cable is electrified, a rotating part is started simultaneously, the rotating part is driven to rotate around the circle center through the outer rotating ring and a fixing part, the inner rotating ring drives the conductive column to circularly revolve around the insulation outer wall of the cable through the distance adjusting part, the conductive column is fully contacted with the insulation outer wall of the cable, then a detection frame is slowly translated to the left end of the cable from the right end of the cable along a detection table, the insulation outer wall of the cable is fully detected, no dead angle is reserved, when the current escapes caused by the damage of an insulation sheath, the conductive column transmits the current to a current induction part, and the current induction part responds to inform a detection person.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic front structural view of a distribution network cable live line insulation defect detection device according to the present invention;
FIG. 2 is a schematic front structural view of a detection frame in the distribution network cable live-line insulation defect detection device of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic diagram of an internal structure of a detection frame in the distribution network cable electrified insulation defect detection device according to the present invention;
FIG. 5 is a schematic diagram of an internal structure of a clamping member of the apparatus for detecting insulation defects of a distribution network cable under a hot-line condition according to the present invention;
FIG. 6 is a side cross-sectional view of an inner rotating ring of the device for detecting insulation defects of distribution network cables in a live-line manner.
In the figure, 1 detection platform, 2 clamping components, 3 detection frame, 4 outer rotating ring, 5 inner rotating ring, 6 fixing part, 7 conductive column, 8 clamping seat, 9 placing groove, 10 arc-shaped clamping block, 11 hydraulic cylinder, 12 piston rod, 13 worm wheel, 14 worm, 15 rotating motor, 16 mounting frame, 17 distance adjusting bolt, 18 guide rod, 19 induction lamp and 100 cable.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the invention provides a distribution network cable 100 live detection insulation defect device, which includes a detection table 1, clamping components 2 for fixing two ends of a cable 100, and a detection frame 3, wherein the clamping components 2 are arranged at two ends of the detection table 1, the detection frame 3 is arranged between the clamping components 2, the detection frame 3 is connected with the detection table 1 in a sliding manner, the sliding direction is the same as the extending direction of the cable 100, an outer rotating ring 4 is arranged at the center of the detection frame 3, the outer rotating ring 4 is connected with the detection frame 3 in a rotating manner, a rotating component for driving the outer rotating ring 4 to rotate is further arranged in the detection frame 3, an inner rotating ring 5 is further arranged at the center of the outer rotating ring 4, when the cable 100 is fixed on the clamping components 2, the cable 100 passes through the inner rotating ring 5, the inner rotating ring 5 is fixedly connected with the inner wall of the outer rotating ring 4 through a fixing component 6, a conductive column 7 is arranged at the center of the inner rotating ring 5, the conductive column 7 is connected with the inner rotating ring 5 through a distance adjusting component, the axial direction of the cable 7 is the same as the axial direction of the cable 100, the distance adjusting component, and the outer wall of the conductive column is connected with the insulating component through an induction current of the conductive column 7, and the insulating component, and the conductive column 7 is connected with the insulating component, and the conductive column 7.
The cable 100 to be detected sequentially passes through the right clamping part 2, the inner detection ring and the left clamping part 2, the cable 100 is concentric with the outer rotating ring 4, the cable 100 is stretched straightly through the left clamping part and the right clamping part 2, the conductive columns 7 are adjusted to be abutted against an insulating shell of the cable 100 through the distance adjusting part, then the cable 100 is electrified, meanwhile, the rotating part is started, the rotating part drives the outer rotating ring 4 to rotate in the detection frame 3, the inner rotating ring 5 can be arranged in a circle center which is concentric with the outer rotating ring 4, the outer rotating ring 4 drives the inner rotating ring 5 to rotate around the circle center through the fixing part 6, the inner rotating ring 5 drives the conductive columns 7 to revolve around the conductive column insulating outer wall of the cable 100 through the distance adjusting part, the conductive columns 7 are fully contacted with the insulating outer wall of the cable 100, then the detection frame 3 slowly translates from the right end of the cable 100 to the left end of the cable 100 along with the detection table 1, the insulating outer wall of the cable 100 is fully detected, no dead angle is ensured, when the insulating sheath is damaged to cause current to escape, the conductive columns 7 are transmitted to the current induction part, the current induction part responds, and the detection personnel are informed.
The clamping part 2 comprises a clamping seat 8, a placing groove 9 which is used for the cable 100 to pass through and is concentric with the outer rotating ring 4 is formed in the upper portion of the clamping seat 8, a plurality of arc-shaped clamping blocks 10 used for compressing the cable 100 are arranged in the placing groove 9, and a clamping mechanism which drives the arc-shaped clamping blocks 10 to do telescopic motion is arranged in the clamping seat 8.
The clamping mechanism comprises a hydraulic cylinder 11, the hydraulic cylinder 11 is installed in the clamping seat 8 along the circumferential direction of the placing groove 9, the clamping seat 8 is provided with a hole groove communicated with the placing groove 9, and a piston rod 12 of the hydraulic cylinder 11 penetrates through the hole groove and is fixedly connected with the arc-shaped clamping block 10.
The four directions of the cables 100, namely the upper direction, the lower direction, the left direction and the right direction, can be clamped and fixed by adopting 4 groups of arc-shaped clamping blocks 10 and hydraulic cylinders 11 respectively, a controller can be arranged to control the 4 groups of hydraulic cylinders 11 to work simultaneously, and piston rods 12 of the hydraulic cylinders 11 drive the arc-shaped clamping blocks 10 to move towards the circle center of the placing groove 9 simultaneously, so that the cables 100 of different specifications are ensured to be concentric with the placing groove 9 after being fixed.
The rotating part comprises a worm wheel 13, a worm 14 and a rotating motor 15, the worm wheel 13 is sleeved on the outer wall of the outer rotating ring 4, the worm 14 is rotatably connected with the inner wall of the detection frame 3, the rotating motor 15 is installed on the outer wall of the detection frame 3, an output shaft of the rotating motor 15 is coaxially connected with the worm 14, and the worm wheel 13 is meshed with the worm 14. The rotating motor 15 is started to drive the worm 14 to rotate, the worm 14 drives the worm wheel 13 to rotate, and the worm wheel 13 drives the outer rotating ring 4 to rotate in the detection frame 3.
The roll adjustment part includes mounting bracket 16, roll adjustment bolt 17 and the guide bar 18 of "concave" type, it locates to lead electrical pillar 7 in the mounting bracket 16, lead electrical pillar 7's both ends through the pivot with the inner wall of mounting bracket 16 rotates to be connected, set up on the interior swivel becket 5 with roll adjustment bolt 17 threaded connection's helicla flute and with guide bar 18 sliding connection's guide way, roll adjustment bolt 17 the inner with mounting bracket 16 rotates to be connected, the inner of guide bar 18 with mounting bracket 16 fixed connection. The adjusting bolt is rotated to drive the conductive column 7 to move inwards, the conductive column 7 does not rotate under the action of the guide rod 18, the same axial direction of the conductive column 7 and the cable 100 is kept until the conductive column 7 is pressed on the insulating outer wall of the cable 100, and the cable 100 which is matched with different specifications can be detected by adjusting the position of the conductive column 7.
The current induction part includes induction lamp 19, induction lamp 19 sets up the outer wall of interior rotating ring 5, it is connected with induction lamp 19 electricity to lead to electrical pillar 7 to lead to the wire, when insulating crust damage leads to the electric current to escape outward, leads to electrical pillar 7 and gives induction lamp 19 with the current transfer, and induction lamp 19 lights and indicates the testing personnel, and the testing personnel can stop to remove testing stand 3, do key detection to leading to the insulating casing in the current revolution region of electrical pillar 7.
The detection frame 3, the outer rotating ring 4, the inner rotating ring 5, the rotating component and the distance adjusting component are all made of insulating materials.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The device for detecting the insulation defects of the distribution network cable in an electrified manner is characterized by comprising a detection table, clamping components and a detection frame, wherein the clamping components are used for fixing two ends of the cable, the clamping components are arranged at two ends of the detection table, the detection frame is arranged between the clamping components, the detection frame is in sliding connection with the detection table, an outer rotating ring is arranged at the center of the detection frame and is rotatably connected with the detection frame, a rotating component for driving the outer rotating ring to rotate is further arranged in the detection frame, an inner rotating ring is further arranged at the center of the outer rotating ring and is fixedly connected with the inner wall of the outer rotating ring through a fixing piece, a conductive column and a conductive column are arranged at the center of the inner rotating ring, the conductive column is connected with the inner rotating ring through a distance adjusting component and is abutted against the insulation outer wall of the cable through the distance adjusting component, and a current induction component is further arranged on the inner rotating ring and is connected with the current induction component.
2. The device for electrified detection of insulation defects of distribution network cables according to claim 1, wherein the clamping component comprises a clamping seat, a placing groove for cables to pass through and concentric with the outer rotating ring is formed in the upper portion of the clamping seat, a plurality of arc-shaped clamping blocks for compressing the cables are arranged in the placing groove, and a clamping mechanism for driving the arc-shaped clamping blocks to do telescopic motion is arranged in the clamping seat.
3. The distribution network cable electrified insulation defect detection device according to claim 2, wherein the clamping mechanism comprises a hydraulic cylinder, the hydraulic cylinder is installed in the clamping seat along the circumferential direction of the placing groove, the clamping seat is provided with a hole groove communicated with the placing groove, and a piston rod of the hydraulic cylinder penetrates through the hole groove to be fixedly connected with the arc-shaped clamping block.
4. The electrified insulation defect detection device for the distribution network cable according to claim 1, wherein the rotating component comprises a worm wheel, a worm and a rotating motor, the worm wheel is sleeved on the outer wall of the outer rotating ring, the worm is rotatably connected with the inner wall of the detection frame, the rotating motor is installed on the outer wall of the detection frame, an output shaft of the rotating motor is coaxially connected with the worm, and the worm wheel is meshed with the worm.
5. The distribution network cable live-line detection insulation defect device of claim 1, characterized in that, the roll adjustment part includes the mounting bracket, roll adjustment bolt and the guide bar of "concave" type, it locates to lead electrical pillar in the mounting bracket, lead electrical pillar's both ends through the pivot with the inner wall of mounting bracket rotates to be connected, set up on the interior rotating ring with roll adjustment bolt threaded connection's helicla flute and with guide bar sliding connection's guide way, the inner of roll adjustment bolt with the mounting bracket rotates to be connected, the inner of guide bar with mounting bracket fixed connection.
6. The device for detecting the insulation defect of the distribution network cable in the electrified way, according to claim 1, characterized in that the current sensing component comprises a sensing lamp, the sensing lamp is arranged on the outer wall of the inner rotating ring, and the conductive column is electrically connected with the sensing lamp through a conducting wire.
7. The distribution network cable live-line insulation defect detection device according to claim 1, wherein the detection frame, the outer rotating ring, the inner rotating ring, the rotating component and the distance adjustment component are all made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211207471.0A CN115656563A (en) | 2022-09-30 | 2022-09-30 | Distribution network cable live-line detection insulation defect device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211207471.0A CN115656563A (en) | 2022-09-30 | 2022-09-30 | Distribution network cable live-line detection insulation defect device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115656563A true CN115656563A (en) | 2023-01-31 |
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ID=84985510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211207471.0A Withdrawn CN115656563A (en) | 2022-09-30 | 2022-09-30 | Distribution network cable live-line detection insulation defect device |
Country Status (1)
| Country | Link |
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| CN (1) | CN115656563A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116721816A (en) * | 2023-08-04 | 2023-09-08 | 浩翔电气集团有限公司 | Bus duct assembly processing equipment |
| CN118501619A (en) * | 2024-07-19 | 2024-08-16 | 贵州大学 | Fault detection ring suitable for extra-high voltage wire |
| WO2024187586A1 (en) * | 2023-03-16 | 2024-09-19 | 爱优特空气技术（上海）有限公司 | Quality testing method for micro-electrostatic device having built-in power supply |
| US12105044B1 (en) | 2023-03-16 | 2024-10-01 | Airquality Technology (Shanghai) Co., Ltd. | Quality detection method for microelectrostatic device with built-in power supply |
-
2022
- 2022-09-30 CN CN202211207471.0A patent/CN115656563A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024187586A1 (en) * | 2023-03-16 | 2024-09-19 | 爱优特空气技术（上海）有限公司 | Quality testing method for micro-electrostatic device having built-in power supply |
| US12105044B1 (en) | 2023-03-16 | 2024-10-01 | Airquality Technology (Shanghai) Co., Ltd. | Quality detection method for microelectrostatic device with built-in power supply |
| CN116721816A (en) * | 2023-08-04 | 2023-09-08 | 浩翔电气集团有限公司 | Bus duct assembly processing equipment |
| CN116721816B (en) * | 2023-08-04 | 2023-10-20 | 浩翔电气集团有限公司 | Bus duct assembly processing equipment |
| CN118501619A (en) * | 2024-07-19 | 2024-08-16 | 贵州大学 | Fault detection ring suitable for extra-high voltage wire |
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Application publication date: 20230131 |
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| WW01 | Invention patent application withdrawn after publication |