CN215643888U - Flexible shielding device of insulating part - Google Patents
Flexible shielding device of insulating part Download PDFInfo
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- CN215643888U CN215643888U CN202121939128.6U CN202121939128U CN215643888U CN 215643888 U CN215643888 U CN 215643888U CN 202121939128 U CN202121939128 U CN 202121939128U CN 215643888 U CN215643888 U CN 215643888U
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Abstract
The utility model discloses a flexible shielding device of an insulating part, which comprises an outer ring flange ring, wherein the outer ring flange ring comprises a flange inner wall arranged on the inner wall of the outer ring flange ring, six groups of double-end counter bores arranged on the inner wall of the flange inner wall and coaxially distributed at the axis of the outer ring flange ring, two groups of limiting side edges fixed on the front outer wall and the rear outer wall of the outer ring flange ring, and a shielding component arranged in the double-end counter bores. This flexible shield assembly of insulator adopts flexible shielding subassembly structure, is different from traditional cylindrical metal ring, uses spring structure, and this kind of structure has that the shielding is effectual, the installation of being convenient for, and the internal stress is little in the embedded basin formula insulator to use the spring buffering with flange ring junction in the installation, reduce the internal stress that basin formula insulator produced in the curing process, can show improvement product quality.
Description
Technical Field
The utility model relates to the technical field of shielding devices, in particular to a flexible shielding device of an insulating part.
Background
The gas-insulated metal closed power transmission line has the characteristics of large transmission capacity, small electric energy loss, long service life and the like, is widely applied to alternating current transmission, and becomes a preferred scheme for replacing an overhead power transmission line.
Due to the long run of the GIL and the requirement that it have low or even maintenance-free costs, the stability requirements for its insulation are extremely high. There are two types of commonly used insulators in the GIL, one is a basin-type insulator, and the other is a three-support insulator, and on the premise of meeting the technical requirements of products, the quality performance and uniformity are particularly important, and these are all guaranteed by product structure optimization and manufacturing process.
The strength and the electric field uniformity of the basin-type insulator have extremely high requirements. The periphery of the traditional basin-type insulator is shielded in a sectional type equally-divided circular ring mode, so that the thickness of the insulating part is increased by the two-side structure, and the manufacturing difficulty of the cost of the insulating part is inevitably increased; and the shielding ring around is in an equant circle shape, which is not a true uniform electric field.
The traditional ground end low potential shielding structure mostly adopts a structure of a multi-section cylindrical shielding aluminum ring, and the integral aluminum ring has strong rigidity and cannot be directly fixed because the integral aluminum ring needs to be fixed with an outer ring flange ring, and a split connecting structure needs to be used, so that the installation is complicated; therefore, a fixing mode of a sectional shielding aluminum ring is adopted, and the electric field shielding effect is poor in the mode, so that the whole shielding is not in the true sense.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a flexible shielding device of an insulating part, which adopts a flexible shielding assembly structure, is different from the traditional cylindrical metal ring and adopts a spring structure, the structure has the advantages of good shielding effect, convenient installation, small internal stress embedded into a basin-type insulator, and the connection part with a flange ring in the installation process adopts a spring for buffering, thereby reducing the internal stress generated in the solidification process of the basin-type insulator, obviously improving the product quality and the like, and solving the problems provided by the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flexible shield assembly of insulating part, includes outer lane flange ring, outer lane flange ring is including offering the flange inner wall of outer lane flange ring inner wall, offering the flange inner wall and with six sets of double-end counter bores of outer lane flange ring axis department coaxial distribution, be fixed in two sets of spacing side edges of outer wall around the outer lane flange ring and install in the inside shielding component of double-end counter bore.
Preferably, the outer wall of the outer ring flange ring is provided with a hole.
Preferably, the shielding assembly comprises a connecting insert, a connecting wire and a shielding ring, the connecting insert is installed inside the double-end counter bore, and one end of the connecting wire is fixedly connected with the connecting insert and the other end of the connecting wire is connected with the shielding ring.
Preferably, the inside sealing member that laminates each other with connecting the inserts that is provided with of double-end counter bore, the laminating of sealing member outer wall and double-end counter bore inner wall.
Preferably, the top end of the connecting insert is connected with the inner wall of the outer ring flange ring through a positioning screw, and the stability of the connecting insert is ensured by the arrangement.
Preferably, the inside buffer spring that is provided with of double-end counter bore, buffer spring's one end is connected in double-end counter bore inner wall, the other end and is connected in connecting the inserts outer wall, is different from traditional cylindrical metal ring, uses spring structure, and this kind of structure has that the shielding is effectual, the installation of being convenient for, and it is little to embed the internal stress to basin formula insulator to use spring buffering with flange ring junction in the installation, reduce the internal stress that basin formula insulator produced in the curing process, can show improvement product quality.
(III) advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
1. the flexible shielding device of the insulating part has the advantage that the characteristic of a special structure is added inside the outer ring flange ring to relieve the internal stress release of the basin-type insulator.
2. This flexible shield assembly of insulator adopts flexible shielding subassembly structure, is different from traditional cylindrical metal ring, uses spring structure, and this kind of structure has that the shielding is effectual, the installation of being convenient for, and the internal stress is little in the embedded basin formula insulator to use the spring buffering with flange ring junction in the installation, reduce the internal stress that basin formula insulator produced in the curing process, can show improvement product quality.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the structure of the shielding ring of the present invention.
In the figure: 101. an outer ring flange ring; 102. the inner wall of the flange; 103. a double-end counter bore; 104. a hole; 105. limiting the side edges; 201. a set screw; 202. a buffer spring; 203. a seal member; 204. connecting the inserts; 205. a connecting wire; 206. and a shielding ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-2, a flexible shielding device for an insulating member includes an outer ring flange ring 101, a hole 104 is formed in an outer wall of the outer ring flange ring 101, and the hole 104 is arranged to achieve ventilation and heat dissipation effects and save materials.
The outer ring flange ring 101 comprises a flange inner wall 102 arranged on the inner wall of the outer ring flange ring 101, six groups of double-headed counter bores 103 which are arranged on the inner wall of the flange inner wall 102 and coaxially distributed at the axis of the outer ring flange ring 101, two groups of limiting side edges 105 which are fixed on the front outer wall and the rear outer wall of the outer ring flange ring 101 and a shielding assembly which is arranged inside the double-headed counter bores 103, wherein the characteristic of a special structure is added inside the outer ring flange ring 101 to relieve the internal stress release of the basin-type insulator.
The shielding subassembly is including connecting inserts 204, connecting wire 205 and shielding circle 206, and it installs inside double-end counter bore 103 to connect inserts 204, and connecting wire 205 one end fixed connection inserts 204, the other end are connected with shielding circle 206, and double-end counter bore 103 is inside to be provided with and to be connected the sealing member 203 that inserts 204 laminated each other, and the laminating of sealing member 203 outer wall and double-end counter bore 103 inner wall sets up sealing member 203 and can reach better leakproofness, and stability is higher when ensuring the device and using. The top end of the connecting insert 204 is connected with the inner wall of the outer ring flange ring 101 through the positioning screw 201, and the connecting insert 204 is fixed through the positioning screw 201, so that the stability of the connecting insert 204 can be ensured. Inside buffer spring 202 that is provided with of double-end counter bore 103, buffer spring 202's one end is connected in double-end counter bore 103 inner wall, the other end is connected in connecting inserts 204 outer wall, be different from traditional cylindrical metal ring, use spring structure, this kind of structure has that the shielding is effectual, the installation of being convenient for, the internal stress is little in the embedded basin formula insulator, and use spring buffering with the flange ring junction in the installation, reduce the internal stress that basin formula insulator produced in the curing process, can show improvement product quality.
The working principle is as follows: firstly, welding six connecting wires 205 uniformly and equally with a shielding ring 206, wherein the shielding ring 206 is in a circular ring shape, connecting inserts 204 and the connecting wires 205 are connected into a whole after being processed by a process, and the whole and an outer ring flange ring 101 are fixed through six equally-divided double-end counter bores 103 through positioning screws 201, buffer springs 202 and sealing elements 203 in the die filling process to finish the installation process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A flexible shielding device for an insulator, comprising an outer ring flange ring (101), characterized in that: the outer ring flange ring (101) comprises a flange inner wall (102) arranged on the inner wall of the outer ring flange ring (101), six groups of double-end counter bores (103) which are arranged on the inner wall of the flange inner wall (102) and coaxially distributed at the axis of the outer ring flange ring (101), two groups of limiting side edges (105) fixed on the front outer wall and the rear outer wall of the outer ring flange ring (101) and a shielding assembly arranged inside the double-end counter bores (103).
2. A flexible shield for an insulator, according to claim 1, wherein: the outer ring flange ring (101) is provided with a hole (104) on the outer wall.
3. A flexible shield for an insulator, according to claim 2, wherein: the shielding assembly comprises a connecting insert (204), a connecting wire (205) and a shielding ring (206), the connecting insert (204) is installed inside the double-end counter bore (103), and one end of the connecting wire (205) is fixedly connected with the connecting insert (204) and the other end of the connecting wire is connected with the shielding ring (206).
4. A flexible shield for an insulator, according to claim 3, wherein: the double-end counter bore (103) is internally provided with a sealing element (203) mutually attached to a connecting insert (204), and the outer wall of the sealing element (203) is attached to the inner wall of the double-end counter bore (103).
5. A flexible shield for an insulator, according to claim 4, wherein: the top end of the connecting insert (204) is connected with the inner wall of the outer ring flange ring (101) through a positioning screw (201).
6. A flexible shield for an insulator, according to claim 5, wherein: a buffer spring (202) is arranged inside the double-end counter bore (103), one end of the buffer spring (202) is connected to the inner wall of the double-end counter bore (103), and the other end of the buffer spring is connected to the outer wall of the connecting insert (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939128.6U CN215643888U (en) | 2021-08-18 | 2021-08-18 | Flexible shielding device of insulating part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939128.6U CN215643888U (en) | 2021-08-18 | 2021-08-18 | Flexible shielding device of insulating part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215643888U true CN215643888U (en) | 2022-01-25 |
Family
ID=79899203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121939128.6U Active CN215643888U (en) | 2021-08-18 | 2021-08-18 | Flexible shielding device of insulating part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215643888U (en) |
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2021
- 2021-08-18 CN CN202121939128.6U patent/CN215643888U/en active Active
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