CN212063494U - Distribution lines fortune is examined and is used overvoltage protection device - Google Patents
Distribution lines fortune is examined and is used overvoltage protection device Download PDFInfo
- Publication number
- CN212063494U CN212063494U CN202020649844.XU CN202020649844U CN212063494U CN 212063494 U CN212063494 U CN 212063494U CN 202020649844 U CN202020649844 U CN 202020649844U CN 212063494 U CN212063494 U CN 212063494U
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- protection device
- lid
- box body
- overvoltage protection
- fixedly connected
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Abstract
The utility model discloses an overvoltage protection device is used in distribution lines fortune inspection, including lid and box body, be equipped with fixed knot in the lid and construct, it is equipped with a plurality of insulating bolts to insert on the lid, all be equipped with in lid and the box body with insulating bolt big or small position assorted screw bolt, the diapire fixedly connected with magnet piece one of lid, the box body be equipped with magnet piece big or small position assorted fixed slot. The utility model discloses a two can fasten closed sheaths and realize the parcel protection to protection device, can replace the general ceramic tube of effect, effectively protect overvoltage protection device's use, set up fixed knot structure and fasten protection device in the sheath, prevent the displacement skew of protection device, simultaneously expanding spring can adjust fastening state through small deformation, avoided the rigid friction between protection device and the protective equipment, effectively protected protection device, greatly reduced the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the distribution facility, especially, relate to an overvoltage protection device is used in distribution lines fortune inspection.
Background
The distribution line is a line for transmitting power from a step-down substation to a distribution transformer or transmitting power from a distribution substation to a power consumption unit. The distribution line is an important component of the power grid in China, and when the distribution line is subjected to lightning stroke and overvoltage occurs, insulator flashover and line tripping accidents are often caused, so that stable and safe operation of the power grid is influenced, and therefore, the overvoltage protection device appears on the market.
At present, an overvoltage protection device is generally stored in a protection box, a box cover part is directly bonded on a box body by glue, the bonded part is the outer end face of the box body, the bonding area is small, the phenomenon of poor bonding exists, and therefore the protection box is easy to break down by voltage and the protection effect is poor; in addition, the design has poor universality and is not beneficial to the development of subsequent operation and maintenance and overhaul work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a distribution lines fortune is examined and is used overvoltage protection device to solve the poor problem of protection effect that exists among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an overvoltage protection device is used in distribution lines fortune inspection, includes lid and box body, be equipped with fixed knot in the lid and construct, it is equipped with a plurality of insulating bolts to insert on the lid, all be equipped with in lid and the box body with insulating bolt size position assorted screw bolt, the diapire fixedly connected with magnet piece one of lid, the box body be equipped with magnet piece size position assorted fixed slot.
Preferably, iron sheets are fixedly adhered to the bottom walls of the fixing grooves.
Preferably, the fixing structure comprises a telescopic groove fixed on the inner wall of the box cover, a telescopic rod is inserted in the telescopic groove, one end of the telescopic rod, far away from the telescopic groove, is fixedly connected with an arc-shaped plate, and the box body is provided with a bracket matched with the arc-shaped plate in size and position.
Preferably, the telescopic groove is fixedly connected with a telescopic spring, the other end of the telescopic spring is fixedly connected with a partition plate which slides between the inner walls of the telescopic groove, and the telescopic rod is located at one end of the telescopic groove and fixedly connected with the partition plate.
Preferably, the anti-skid sheaths are fixedly bonded on the opposite surfaces of the bracket and the arc-shaped plate.
Preferably, the box cover and the box body are provided with notches at the left end and the right end.
Compared with the prior art, this distribution lines is overvoltage protection device for operation and detection's advantage lies in:
1. the protective device is wrapped and protected through the two protective sleeves which can be fastened and closed, a ceramic tube with a common effect can be replaced, and the overvoltage protective device is effectively protected.
2. Set up fixed knot and construct the protection device fastening in the sheath, prevent protection device displacement skew, simultaneously expanding spring can adjust the fastening state through small deformation, has avoided the hard friction between protection device and the protective equipment, has effectively protected protection device, greatly reduced the potential safety hazard.
Drawings
Fig. 1 is a perspective view of an overvoltage protection device for distribution line operation and inspection provided by the present invention;
fig. 2 is a side view of an overvoltage protection device for distribution line operation and inspection provided by the present invention;
fig. 3 is the utility model provides an inner structure schematic diagram of distribution lines fortune is examined and is used overvoltage protection device flexible groove.
In the figure: 1 lid, 2 box bodies, 3 insulating bolt, 4 flexible grooves, 5 flexible rods, 6 arc-shaped plates, 7 anti-skidding sheaths, 8 magnet blocks, 9 fixed grooves, 10 iron sheets, 11 partition plates and 12 flexible springs.
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.
Referring to fig. 1-3, an overvoltage protection device for distribution line operation and detection comprises a box cover 1 and a box body 2, wherein openings are formed in the left end and the right end of the box cover 1 and the box body 2 respectively and are used for protecting the joints of the device to extend to the outside of a sheath for wiring and other operations.
The box cover 1 is internally provided with a fixing structure, the fixing structure comprises a telescopic groove 4 fixed on the inner wall of the box cover 1, a telescopic rod 5 is inserted in the telescopic groove 4, a telescopic spring 12 is fixedly connected in the telescopic groove 4, the other end of the telescopic spring 12 is fixedly connected with a partition plate 11 sliding between the inner walls of the telescopic groove 4, one end of the telescopic rod 5 positioned in the telescopic groove 4 is fixedly connected with the partition plate 11, one end of the telescopic rod 5 far away from the telescopic groove 4 is fixedly connected with an arc-shaped plate 6, the box body 2 is provided with a bracket matched with the arc-shaped plate 6 in size and position, the opposite surfaces of the bracket and the arc-shaped plate 6 are fixedly bonded with anti-skidding sheaths 7, the anti-skidding sheaths 7 can increase the friction force between the protection device and the fixing structure, the telescopic spring 12 pushes the partition plate 11 by extrusion and rebounds, the partition plate 11 pushes the telescopic, meanwhile, the expansion spring 12 can adjust the fastening state through small deformation, so that hard friction between the protection device and the protective tool is avoided, the protection device is effectively protected, and potential safety hazards are greatly reduced.
Insert on the lid 1 and be equipped with a plurality of insulating bolt 3, all be equipped with in lid 1 and the box body 2 with 3 big or small position assorted screw bolts of insulating bolt, the diapire fixedly connected with magnet piece 8 of lid 1, box body 2 be equipped with 8 big or small position assorted fixed slots 9 of magnet piece, the diapire of fixed slot 9 is all fixed to be bonded has iron sheet 10, place the protection device on the support groove of box body 2, it is closed to pass through the attraction between magnet piece 8 and the iron sheet 10 with lid 1 and box body 2 again, twist a plurality of insulating bolt 3, realize the parcel protection to the protection device, can replace the general ceramic pipe of effect, effectively protect overvoltage protection device's use.
Now it is right that the working principle of the utility model is explained as follows:
the protection device is placed on a bracket of the box body 2, then the box cover 1 and the box body 2 are closed through attraction between the magnet block 8 and the iron sheet 10, and the plurality of insulating bolts 3 are screwed in to realize wrapping protection of the protection device, so that a ceramic tube with a common effect can be replaced, the overvoltage protection device is effectively protected, and normal use of the overvoltage protection device is ensured; meanwhile, the protection device is fastened in the two sheaths by the fixing structure, the displacement deviation of the protection device is prevented, the expansion spring 12 can adjust the fastening state through small deformation, the hard friction between the protection device and the protective tool is avoided, the protection device is effectively protected, and the potential safety hazard is greatly reduced.
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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an overvoltage protection device is used in distribution lines fortune inspection, includes lid (1) and box body (2), its characterized in that, be equipped with fixed knot in lid (1) and construct, it is equipped with a plurality of insulating bolt (3) to insert on lid (1), all be equipped with in lid (1) and box body (2) with insulating bolt (3) big or small position assorted screw bolt, the diapire fixedly connected with magnet piece (8) of lid (1), box body (2) are equipped with magnet piece (8) big or small position assorted fixed slot (9).
2. The overvoltage protection device for distribution line operation according to claim 1, wherein iron pieces (10) are fixedly adhered to the bottom walls of the fixing grooves (9).
3. The overvoltage protection device for distribution line operation and detection according to claim 1, wherein the fixing structure comprises a telescopic groove (4) fixed on the inner wall of the box cover (1), a telescopic rod (5) is inserted into the telescopic groove (4), an arc-shaped plate (6) is fixedly connected to one end of the telescopic rod (5) far away from the telescopic groove (4), and a bracket matched with the arc-shaped plate (6) in size and position is arranged on the box body (2).
4. The overvoltage protection device for distribution line operation and detection according to claim 3, wherein a telescopic spring (12) is fixedly connected in the telescopic groove (4), a partition plate (11) sliding between the inner walls of the telescopic groove (4) is fixedly connected to the other end of the telescopic spring (12), and one end of the telescopic rod (5) located in the telescopic groove (4) is fixedly connected with the partition plate (11).
5. The overvoltage protection device for distribution line operation and detection as claimed in claim 3, wherein an anti-slip sheath (7) is fixedly bonded to each of the opposite faces of the bracket and the arc plate (6).
6. The overvoltage protection device for distribution line operation and detection according to claim 1, wherein the box cover (1) and the box body (2) are provided with openings at left and right ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649844.XU CN212063494U (en) | 2020-04-26 | 2020-04-26 | Distribution lines fortune is examined and is used overvoltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649844.XU CN212063494U (en) | 2020-04-26 | 2020-04-26 | Distribution lines fortune is examined and is used overvoltage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212063494U true CN212063494U (en) | 2020-12-01 |
Family
ID=73518186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020649844.XU Expired - Fee Related CN212063494U (en) | 2020-04-26 | 2020-04-26 | Distribution lines fortune is examined and is used overvoltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212063494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867266A (en) * | 2022-06-01 | 2022-08-05 | 国网山东省电力公司烟台市长岛供电公司 | Distribution lines fortune is examined and is used overvoltage protection device |
-
2020
- 2020-04-26 CN CN202020649844.XU patent/CN212063494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867266A (en) * | 2022-06-01 | 2022-08-05 | 国网山东省电力公司烟台市长岛供电公司 | Distribution lines fortune is examined and is used overvoltage protection device |
| CN114867266B (en) * | 2022-06-01 | 2024-01-19 | 国网山东省电力公司烟台市长岛供电公司 | Overvoltage protection device for operation and detection of distribution line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |