CN212586491U - Cable ultrahigh frequency partial discharge detection device - Google Patents
Cable ultrahigh frequency partial discharge detection device Download PDFInfo
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- CN212586491U CN212586491U CN202020770678.9U CN202020770678U CN212586491U CN 212586491 U CN212586491 U CN 212586491U CN 202020770678 U CN202020770678 U CN 202020770678U CN 212586491 U CN212586491 U CN 212586491U
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- partial discharge
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Abstract
The utility model relates to an electric power field technical field, and a cable superfrequency partial discharge detection device is disclosed, including the mounting panel, the detection device main part is installed to the lower extreme of mounting panel, the backup pad that two symmetries of upper end fixedly connected with of mounting panel set up, it is connected with the dwang to rotate jointly through two primary shafts between two backup pads, fixed cover has connect the drive wheel on the dwang, fixedly connected with driving motor on the lateral wall of one of them backup pad, driving motor's output fixed connection is served in the correspondence of dwang, the upper end of one of them backup pad articulates there is fixed frame, fixed frame is "U" shape setting down, the other end of fixed frame passes through fixed establishment to be connected in another backup pad, it is connected with the depression bar to rotate jointly through. The utility model discloses make the detection device main part can survey whole cable, convenient and fast very.
Description
Technical Field
The utility model relates to an electric power field technical field especially relates to a cable superfrequency partial discharge detection device.
Background
Electrical equipment insulates discharges that occur in a localized area under the action of a sufficiently strong electric field. Such discharges are limited to causing only isolated local shorts (bridges) between the conductors without forming conductive paths. Each time, the local discharge has some influence on an insulating medium, the slight local discharge has small influence on the insulation of the power equipment, and the reduction of the insulation strength is slow; and strong partial discharge causes a rapid decrease in the dielectric strength. This is an important factor in causing insulation damage of high-voltage electric power equipment. Therefore, when designing the insulation of high-voltage power equipment, it is considered that relatively strong partial discharge is not allowed to occur in the insulation structure under the action of the long-term operating voltage.
However, the detection of high-frequency partial discharge in a high-altitude cable is troublesome and dangerous.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the cable to the high altitude carries out the trouble very that the partial discharge's of high frequency detection is very among the prior art, and dangerous, and a cable superfrequency partial discharge detection device that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cable superfrequency partial discharge detection device, includes the mounting panel, the detection device main part is installed to the lower extreme of mounting panel, the backup pad that two symmetries of the upper end fixedly connected with of mounting panel set up, two rotate jointly through two primary shafts between the backup pad and be connected with the dwang, fixed the cup jointing has the drive wheel on the dwang, one of them fixedly connected with driving motor on the lateral wall of backup pad, driving motor's output fixed connection is served at the correspondence of dwang, one of them the upper end of backup pad articulates there is fixed frame, fixed frame is down "U" shape and sets up, the other end of fixed frame passes through fixed establishment and connects in another backup pad, rotate jointly through two secondary shafts in the fixed frame and be connected with the depression bar.
Preferably, fixing mechanism includes fixed block and holding ring, two the fixed block is fixed connection respectively on the corresponding position of backup pad and fixed frame, the holding ring cup joints on two fixed blocks, the holding ring passes through positioner fixed connection on the fixed block.
Preferably, the driving motor is a servo motor.
Preferably, the supporting plate, the mounting plate and the fixing frame are coated with anticorrosive coatings.
Preferably, positioner includes screw hole, screw rod, dead lever and fixed orifices, the screw hole is seted up on the holding ring, the fixed orifices is seted up on the position that the fixed block corresponds the screw hole, screw rod threaded connection is in the screw hole, dead lever sliding connection is in the fixed orifices, the upper end fixed connection of dead lever is at the lower extreme of screw rod.
Preferably, the upper end of the screw rod is fixedly connected to the rotating handle.
Compared with the prior art, the utility model provides a cable superfrequency partial discharge detection device possesses following beneficial effect:
1. this cable superfrequency partial discharge detection device, through setting up the mounting panel, the detection device main part, a supporting plate, the dwang, the drive wheel, driving motor, fixed frame, fixed establishment, depression bar and compression roller, when needs detect the cable of high altitude, the manual work is taken the device to the cable through the electric power iron tower, then open fixed establishment, lift fixed frame, place the cable in between compression roller and the drive wheel, then fix fixed frame through fixed establishment again, make compression roller and drive wheel clamp the cable, then control driving motor corotation, driving motor drives the drive wheel through the dwang and rotates, and then drive whole device and remove on the cable, make the detection device main part can survey whole cable.
2. This cable superfrequency partial discharge detection device, through setting up fixed establishment, fixed block, positioner and holding ring, when needs open fixed frame, at first open positioner, then can take off the holding ring, can open fixed frame, when needs fix fixed frame, reverse operation can.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the detection device main part can survey whole cable, convenient and fast very.
Drawings
Fig. 1 is a schematic front view of a cable uhf partial discharge detection apparatus provided by the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: the device comprises a 1 mounting plate, a 2 detection device body, a 3 supporting plate, a 4 rotating rod, a 5 driving wheel, a 6 driving motor, a 7 fixing frame, an 8 fixing mechanism, an 81 fixing block, a 82 positioning ring, a 9 pressing rod, a 10 pressing roller, a 11 positioning device, a 111 threaded hole, a 112 screw rod, a 113 fixing rod, a 114 fixing hole and a 12 rotating handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a cable ultrahigh frequency partial discharge detection device comprises a mounting plate 1, a detection device main body 2 is mounted at the lower end of the mounting plate 1, two symmetrically arranged support plates 3 are fixedly connected to the upper end of the mounting plate 1, a rotating rod 4 is connected between the two support plates 3 through two first bearings in a rotating manner, a driving wheel 5 is fixedly sleeved on the rotating rod 4, a driving motor 6 is fixedly connected to the side wall of one of the support plates 3, the output end of the driving motor 6 is fixedly connected to the corresponding end of the rotating rod 4, a fixing frame 7 is hinged to the upper end of one of the support plates 3, the fixing frame 7 is arranged in an inverted U shape, the other end of the fixing frame 7 is connected to the other support plate 3 through a fixing mechanism 8, a pressure rod 9 is connected to the fixing frame 7 through two second, when the cable of high altitude is detected as needs, the manual work is with the device through electric power iron tower to take to the cable on, then open fixed establishment 8, lift fixed frame 7, arrange the cable in between compression roller 10 and drive wheel 5, then fixed frame 7 is fixed to rethread fixed establishment 8, make compression roller 10 and drive wheel 5 grasp the cable, then control driving motor 6 corotation, driving motor 6 drives drive wheel 5 through dwang 4 and rotates, and then drive whole device and remove on the cable, make detection device main part 2 can survey whole cable.
The driving motor 6 is arranged as a servo motor, so that the rotating speed and the steering of the motor can be conveniently controlled.
The support plate 3, the mounting plate 1 and the fixing frame 7 are coated with anticorrosive coatings, so that the anticorrosive effect is achieved.
The positioning device 11 includes a threaded hole 111, a screw rod 112, a fixing rod 113 and a fixing hole 114, the threaded hole 111 is provided on the positioning ring 82, the fixing hole 114 is provided on the position of the fixing block 81 corresponding to the threaded hole 111, the screw rod 112 is screwed in the threaded hole 111, the fixing rod 113 is slidably connected in the fixing hole 114, the upper end of the fixing rod 113 is fixedly connected to the lower end of the screw rod 112, and the positioning ring 82 is conveniently fixed.
The upper end of the screw rod 112 is fixedly connected to the rotating handle 12, so as to facilitate the reverse rotation of the screw rod 112.
The utility model discloses in, when needs examine time measuring to the cable of high altitude, the manual work is with the device through electric power iron tower take to the cable on, then open fixed establishment 8, lift fixed frame 7, arrange the cable in between compression roller 10 and the drive wheel 5, then fixed frame 7 is fixed to rethread fixed establishment 8, make compression roller 10 and drive wheel 5 with the cable centre gripping, then control driving motor 6 corotation, driving motor 6 drives drive wheel 5 through dwang 4 and rotates, and then drive whole device and remove on the cable, make detection device main part 2 can survey whole cable, when needs open fixed frame 7, at first open positioner 11, then can take off holding ring 82, can open fixed frame 7, when needs fix fixed frame 7, reverse operation can.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a cable superfrequency partial discharge detection device, includes mounting panel (1), its characterized in that, detection device main part (2) are installed to the lower extreme of mounting panel (1), backup pad (3) that two symmetries of the upper end fixedly connected with of mounting panel (1) set up, two rotate jointly through two first bearings between backup pad (3) and be connected with dwang (4), the fixed cover has connect drive wheel (5) on dwang (4), one of them fixedly connected with driving motor (6) on the lateral wall of backup pad (3), the output end fixed connection of driving motor (6) is served in the correspondence of dwang (4), one of them the upper end of backup pad (3) articulates there is fixed frame (7), fixed frame (7) are "U" shape and set up, the other end of fixed frame (7) is connected on another backup pad (3) through fixed establishment (8), the pressing rod (9) is connected in the fixing frame (7) through two second bearings in a co-rotating mode, and the pressing rod (9) is fixedly sleeved with the pressing roller (10).
2. The cable ultrahigh frequency partial discharge detection device according to claim 1, wherein the fixing mechanism (8) comprises two fixing blocks (81) and two positioning rings (82), the two fixing blocks (81) are respectively and fixedly connected to corresponding positions of the supporting plate (3) and the fixing frame (7), the positioning rings (82) are sleeved on the two fixing blocks (81), and the positioning rings (82) are fixedly connected to the fixing blocks (81) through the positioning devices (11).
3. A cable uhf partial discharge detection device according to claim 1, characterized in that the drive motor (6) is provided as a servo motor.
4. The cable ultrahigh frequency partial discharge detection device according to claim 1, characterized in that the support plate (3), the mounting plate (1) and the fixing frame (7) are coated with an anticorrosive coating.
5. The cable superfrequency partial discharge detector device of claim 2, wherein the positioning device (11) comprises a threaded hole (111), a threaded rod (112), a fixing rod (113) and a fixing hole (114), the threaded hole (111) is formed in the positioning ring (82), the fixing hole (114) is formed in the position of the fixing block (81) corresponding to the threaded hole (111), the threaded rod (112) is screwed in the threaded hole (111), the fixing rod (113) is slidably connected in the fixing hole (114), and the upper end of the fixing rod (113) is fixedly connected to the lower end of the threaded rod (112).
6. The device for detecting the ultrahigh frequency partial discharge of the cable as claimed in claim 5, wherein the upper end of the screw rod (112) is fixedly connected with the rotating handle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770678.9U CN212586491U (en) | 2020-05-12 | 2020-05-12 | Cable ultrahigh frequency partial discharge detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770678.9U CN212586491U (en) | 2020-05-12 | 2020-05-12 | Cable ultrahigh frequency partial discharge detection device |
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| Publication Number | Publication Date |
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| CN212586491U true CN212586491U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020770678.9U Active CN212586491U (en) | 2020-05-12 | 2020-05-12 | Cable ultrahigh frequency partial discharge detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219281A (en) * | 2021-04-29 | 2021-08-06 | 国家电网有限公司 | Line loss abnormal reason checking device and checking method |
| CN116953448A (en) * | 2023-07-28 | 2023-10-27 | 上海莫克电子技术有限公司 | Cable partial discharge detection device |
-
2020
- 2020-05-12 CN CN202020770678.9U patent/CN212586491U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219281A (en) * | 2021-04-29 | 2021-08-06 | 国家电网有限公司 | Line loss abnormal reason checking device and checking method |
| CN116953448A (en) * | 2023-07-28 | 2023-10-27 | 上海莫克电子技术有限公司 | Cable partial discharge detection device |
| CN116953448B (en) * | 2023-07-28 | 2024-02-27 | 上海莫克电子技术有限公司 | Cable partial discharge detection device |
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