CN112530646A - High-strength cone head suspension insulator - Google Patents
High-strength cone head suspension insulator Download PDFInfo
- Publication number
- CN112530646A CN112530646A CN202011281374.7A CN202011281374A CN112530646A CN 112530646 A CN112530646 A CN 112530646A CN 202011281374 A CN202011281374 A CN 202011281374A CN 112530646 A CN112530646 A CN 112530646A
- Authority
- CN
- China
- Prior art keywords
- steel cap
- groove
- umbrella skirt
- correspondingly
- suspension insulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
- H01B17/40—Cementless fittings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
Abstract
The invention discloses a high-strength cone head suspension insulator, which comprises a steel cap structure and an umbrella skirt structure connected with the steel cap structure into a whole; the umbrella skirt structure is correspondingly arranged into a cone shape; the steel cap structure from the top down be provided with a steel cap groove, this steel cap inslot is corresponding to be installed a steel cap and connects the briquetting, this steel cap connects the briquetting bottom and connects and install the connecting rod, this the connecting rod stretch out downwards and correspondingly pass steel cap structure and full skirt structure and stretch out the below of full skirt structure. The suspension insulator in the device is arranged to be a conical structure, the steel cap structure and the umbrella skirt structure at the upper end of the suspension insulator are correspondingly arranged to be conical structures and are arranged up and down to be integrated, so that the suspension insulator has higher strength after being arranged, the steel cap structure is convenient to connect, install and disassemble, and the conical umbrella skirt structure has a wider outer diameter and can effectively prevent creepage; the integral structure has good strength, convenient assembly and disassembly and excellent performance; can be widely applied.
Description
Technical Field
The invention relates to the field of insulator equipment in an electric power system, in particular to a high-strength cone head suspension insulator.
Background
In the prior art, a suspension insulator is provided with a conical head structure and a cylindrical head structure, wherein the cylindrical head insulator has better strength and mechanical property; the cone head insulator is simple in structure and widely applied, has a longer umbrella diameter, can effectively prevent creepage, and is inferior to a cylinder head insulator in strength performance.
In addition, the insulator in the prior art is a necessary installation part of a high-voltage transmission line, is widely applied in an electric power system, and can be used for various purposes, wherein the most important purpose is to erect a high-voltage cable and keep insulation, erect and install the high-voltage cable on an iron tower of the high-voltage cable through an insulator structure, and keep insulation with the iron tower; the suspension insulator with the conical head in the existing structure is commonly used when a high-voltage wire is erected, and the connecting rod mainly used for connecting and installing the high-voltage wire in the insulator in the existing structure is in rigid connection and does not have a buffering function, so that the strength and the stability of the insulator are insufficient; in addition, most umbrella skirt structures in the prior art are of integral structures, a ceramic insulating layer needs to be arranged on the surface of the umbrella skirt structures, but the insulating layer is not strong enough, so that the umbrella skirt structures are likely to be damaged due to environmental problems or bird pecking and the like, and accidents are likely to happen; and the umbrella skirt structure needs to be integrally replaced during replacement, which is very wasteful.
Disclosure of Invention
The invention aims to provide a high-strength cone head suspension insulator aiming at the defects in the prior art.
The technical scheme is as follows: the technical scheme adopted by the invention for solving the problems is as follows: a high-strength cone head suspension insulator comprises a steel cap structure and an umbrella skirt structure connected with the steel cap structure into a whole; the umbrella skirt structure is correspondingly arranged into a cone shape; the steel cap structure is provided with a steel cap groove from top to bottom, a steel cap connecting pressing block is correspondingly installed in the steel cap groove, the bottom of the steel cap connecting pressing block is connected with and provided with a connecting rod, and the connecting rod extends downwards to correspondingly penetrate through the steel cap structure and the umbrella skirt structure and extends to the lower part of the umbrella skirt structure; a spring groove is also formed in the groove bottom of the steel cap groove, a spring part is correspondingly installed in the spring groove, and the spring part is upwards fixed on the lower end face of the steel cap connecting pressing block; the upper end of the steel cap groove is correspondingly provided with an installation block, the installation block can be detachably fixed in the steel cap groove and can press the inner steel cap connection pressing block downwards, and the upper end of the installation block is correspondingly connected with a steel cap structure; the outer surface of the umbrella skirt structure is coated with a ceramic insulating layer; the lower end surface of the umbrella skirt structure is also provided with convex edge grooves with uniform intervals.
Preferably, the mounting block and the steel cap groove are in threaded connection and are detachably mounted, and after the mounting block is fixed, the steel cap connecting pressing block has an up-and-down moving space.
Preferably, the steel cap structure is correspondingly arranged to be a cylindrical steel cap structure, a detachably mounted compression insulating sleeve is sleeved on the outer side of the steel cap structure, and a circle of L-shaped compression clamping groove is correspondingly arranged at the bottom end of the compression insulating sleeve; the upper end surface of the umbrella skirt structure is further provided with an insulating plate, the inner side end of the insulating plate is provided with a circle of annular pressing fixture blocks, the positions and the shapes of the pressing fixture blocks correspond to the positions and the shapes of the pressing fixture grooves, and the pressing insulating sleeve downwards presses and fixes the whole insulating plate on the outer surface of the umbrella skirt structure through the pressing fixture grooves.
Preferably, the compression insulating sleeve and the outer end face of the steel cap structure are installed in a threaded connection mode; and the insulating plate is arranged to be a ceramic insulating plate structure.
Preferably, the lower end of the connecting rod is also correspondingly provided with a connecting end head; a limiting groove is also arranged at the position corresponding to the connecting rod in the umbrella skirt structure; and the connecting rod is correspondingly provided with a limiting block inserted into the limiting groove.
Preferably, three spring grooves which are uniformly distributed are arranged at the groove bottom of the steel cap groove.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) the suspension insulator in the device is arranged to be a conical structure, the steel cap structure and the umbrella skirt structure at the upper end of the suspension insulator are correspondingly arranged to be conical structures and are arranged up and down to be integrated, so that the suspension insulator has higher strength after being arranged, the steel cap structure is convenient to connect, install and disassemble, and the conical umbrella skirt structure has a wider outer diameter and can effectively prevent creepage; the integral structure has good strength, convenient assembly and disassembly and excellent performance; can be widely applied;
(2) the umbrella skirt structure and the steel cap structure are connected into a whole in the device, so that the strength of the whole structure can be effectively improved, the steel cap groove is formed in the steel cap structure and used for detachably and fixedly mounting the mounting block, and the mounting block is correspondingly provided with the nut structure and used for being fixed on a high-voltage line iron tower; the inner part of the connecting block is correspondingly pressed on the steel cap connecting pressing block, the lower end face of the steel cap connecting pressing block is supported by the spring part, the upper part of the connecting pressing block is pressed tightly by the mounting block, so that the steel cap connecting pressing block is in an elastic fixed position, the lower end face of the connecting block is also provided with a connecting rod which extends downwards and is provided with an end socket for connecting and fixing a high-voltage wire; the integral structure of the connecting rod is fixed through elastic pressure, a certain buffer space is provided, force generated when the high-voltage wire swings can be eliminated, the bearing capacity of the connecting rod is effectively improved, the integral structure is more stable and reliable, and the use strength is higher; the position of the inner steel cap connecting pressing block can be adjusted by adjusting the position of the mounting block, the elasticity of the inner spring part is correspondingly adjusted, and the stability is improved;
(3) in the device, an insulating compression sleeve is sleeved on the outer side of a steel cap structure, an insulating plate is correspondingly arranged on the outer side of an umbrella skirt structure, the insulating plate is also in a conical structure and is attached to the outer surface of the umbrella skirt structure, a protruding compression fixture block is arranged at the position of the inner side of the insulating plate, a compression clamping groove is correspondingly arranged on the lower end face of the insulating compression sleeve, and the whole insulating plate can be correspondingly compressed and fixed on the outer surface of the umbrella skirt structure; after setting up like this, because of the filth that environment or birds produced all can fall on the insulation board, the insulating ceramic surface of the inboard full skirt of insulation board protection, the insulation board can set up to plastics insulation structure etc. and bird pecking etc. also only correspondingly damages the insulation board to can also correspondingly dismantle the insulation board of changing the outside behind the insulating compression sleeve, effectual protection full skirt mechanism increases overall structure's life, and the structure is very reasonable, the convenience of using is very.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, a high-strength cone head suspension insulator comprises a steel cap structure 1 and a shed structure 2 connected with the steel cap structure 1 into a whole; the umbrella skirt structure 2 is correspondingly arranged into a cone shape; the steel cap structure 1 is provided with a steel cap groove 3 from top to bottom, a steel cap connecting pressing block 4 is correspondingly arranged in the steel cap groove 3, the bottom of the steel cap connecting pressing block 4 is connected with and provided with a connecting rod 5, and the connecting rod 5 extends downwards to correspondingly penetrate through the steel cap structure 1 and the umbrella skirt structure 2 and extends to the lower part of the umbrella skirt structure 2; a spring groove 6 is also arranged at the groove bottom of the steel cap groove 3, a spring part 7 is correspondingly arranged in the spring groove 6, and the spring part 7 is upwards fixed on the lower end face of the steel cap connecting pressing block 4; the upper end of the steel cap groove 3 is also correspondingly provided with an installation block 8, the installation block 8 can be detachably fixed in the steel cap groove 3 and can press the inner steel cap connection pressing block 4 downwards, and the upper end of the installation block 8 is correspondingly connected with a steel cap structure 9; the outer surface of the umbrella skirt structure 2 is coated with a layer of ceramic insulating layer; the lower end surface of the umbrella skirt structure 2 is also provided with bead grooves 10 with uniform intervals; the mounting block 8 and the steel cap groove 3 are in threaded connection and are detachably mounted, and when the mounting block 8 is fixed, the steel cap connecting pressing block 4 has an upper movable space and a lower movable space.
The steel cap structure 1 is correspondingly arranged to be a cylindrical steel cap structure 1, a detachably mounted compression insulating sleeve 11 is sleeved on the outer side of the steel cap structure 1, and a circle of L-shaped compression clamping groove 12 is correspondingly arranged at the bottom end of the compression insulating sleeve 11; the upper end surface of the umbrella skirt structure 2 is further provided with a layer of insulating plate 13, the inner side end of the insulating plate 13 is provided with a ring-shaped pressing fixture block 14, the position and the shape of the pressing fixture block 14 correspond to the position and the shape of the pressing fixture groove 12, and the pressing insulating sleeve 11 downwards presses and fixes the whole insulating plate 13 on the outer surface of the umbrella skirt structure 2 through the pressing fixture groove 12.
The compression insulating sleeve 11 is installed in threaded connection with the end face of the outer side of the steel cap structure 1; and the insulating plate 13 is provided in a ceramic insulating plate 13 structure; the lower end of the connecting rod 5 is also correspondingly provided with a connecting end head 15; a limiting groove 16 is also arranged at the position, corresponding to the connecting rod 5, in the umbrella skirt structure 2; the connecting rod 5 is correspondingly provided with a limiting block 17 inserted into the limiting groove 16; three spring grooves 6 which are uniformly distributed are arranged at the groove bottom of the steel cap groove 3.
The suspension insulator in the device is arranged to be a conical structure, the steel cap structure and the umbrella skirt structure at the upper end of the suspension insulator are correspondingly arranged to be conical structures and are arranged up and down to be integrated, so that the suspension insulator has higher strength after being arranged, the steel cap structure is convenient to connect, install and disassemble, and the conical umbrella skirt structure has a wider outer diameter and can effectively prevent creepage; the integral structure has good strength, convenient assembly and disassembly and excellent performance; can be widely applied.
The umbrella skirt structure and the steel cap structure are connected into a whole in the device, so that the strength of the whole structure can be effectively improved, the steel cap groove is formed in the steel cap structure and used for detachably and fixedly mounting the mounting block, and the mounting block is correspondingly provided with the nut structure and used for being fixed on a high-voltage line iron tower; the inner part of the connecting block is correspondingly pressed on the steel cap connecting pressing block, the lower end face of the steel cap connecting pressing block is supported by the spring part, the upper part of the connecting pressing block is pressed tightly by the mounting block, so that the steel cap connecting pressing block is in an elastic fixed position, the lower end face of the connecting block is also provided with a connecting rod which extends downwards and is provided with an end socket for connecting and fixing a high-voltage wire; the integral structure of the connecting rod is fixed through elastic pressure, a certain buffer space is provided, force generated when the high-voltage wire swings can be eliminated, the bearing capacity of the connecting rod is effectively improved, the integral structure is more stable and reliable, and the use strength is higher; and thereby can also adjust the position that the briquetting was connected to inside steel cap through the position of adjustment installation piece, the elasticity of inside spring part is adjusted correspondingly, increases stability.
In the device, an insulating compression sleeve is sleeved on the outer side of a steel cap structure, an insulating plate is correspondingly arranged on the outer side of an umbrella skirt structure, the insulating plate is also in a conical structure and is attached to the outer surface of the umbrella skirt structure, a protruding compression fixture block is arranged at the position of the inner side of the insulating plate, a compression clamping groove is correspondingly arranged on the lower end face of the insulating compression sleeve, and the whole insulating plate can be correspondingly compressed and fixed on the outer surface of the umbrella skirt structure; after setting up like this, because of the filth that environment or birds produced all can fall on the insulation board, the insulating ceramic surface of the inboard full skirt of insulation board protection, the insulation board can set up to plastics insulation structure etc. and bird pecking etc. also only correspondingly damages the insulation board to can also correspondingly dismantle the insulation board of changing the outside behind the insulating compression sleeve, effectual protection full skirt mechanism increases overall structure's life, and the structure is very reasonable, the convenience of using is very.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made within the spirit and scope of the invention as claimed should be included in the appended claims.
Claims (6)
1. The utility model provides a high strength circular cone head suspension insulator which characterized in that: comprises a steel cap structure (1) and an umbrella skirt structure (2) which is connected with the steel cap structure (1) into a whole; the umbrella skirt structure (2) is correspondingly arranged into a cone shape; the steel cap structure (1) is provided with a steel cap groove (3) from top to bottom, a steel cap connecting pressing block (4) is correspondingly installed in the steel cap groove (3), the bottom of the steel cap connecting pressing block (4) is connected with and provided with a connecting rod (5), and the connecting rod (5) extends downwards and correspondingly penetrates through the steel cap structure (1) and the umbrella skirt structure (2) to extend to the lower part of the umbrella skirt structure (2); a spring groove (6) is further formed in the groove bottom of the steel cap groove (3), a spring part (7) is correspondingly installed in the spring groove (6), and the spring part (7) is upwards fixed to the lower end face of the steel cap connecting pressing block (4); the upper end of the steel cap groove (3) is correspondingly provided with an installation block (8), the installation block (8) is detachably fixed in the steel cap groove (3) and presses the steel cap connection pressing block (4) inside downwards, and the upper end of the installation block (8) is correspondingly connected with a steel cap structure (9); the outer surface of the umbrella skirt structure (2) is coated with a ceramic insulating layer; the lower end surface of the umbrella skirt structure (2) is also provided with convex edge grooves (10) with uniform intervals.
2. The high strength cone head suspension insulator according to claim 1, wherein: the mounting block (8) and the steel cap groove (3) are in threaded connection and are detachably mounted, and after the mounting block (8) is fixed, the steel cap connecting pressing block (4) has an up-and-down moving space.
3. The high strength cone head suspension insulator according to claim 1, wherein: the steel cap structure (1) is correspondingly arranged into a cylindrical steel cap structure (1), a detachably mounted compression insulating sleeve (11) is sleeved on the outer side of the steel cap structure (1), and a circle of L-shaped compression clamping groove (12) is correspondingly arranged at the bottom end of the compression insulating sleeve (11); and the upper end surface of the umbrella skirt structure (2) is also provided with a layer of insulating plate (13), the inner side end of the insulating plate (13) is provided with a ring of annular pressing fixture blocks (14), the positions and the shapes of the pressing fixture blocks (14) correspond to those of the pressing fixture grooves (12), and the pressing insulating sleeve (11) downwards presses and fixes the whole insulating plate (13) on the outer surface of the umbrella skirt structure (2) through the pressing fixture grooves (12).
4. A high strength cone head suspension insulator according to claim 3, wherein: the compression insulating sleeve (11) is in threaded connection with the outer end face of the steel cap structure (1); and the insulating plate (13) is arranged into a ceramic insulating plate (13) structure.
5. The high strength cone head suspension insulator according to claim 1, wherein: the lower end of the connecting rod (5) is also correspondingly provided with a connecting end (15); a limiting groove (16) is also arranged in the umbrella skirt structure (2) at a position corresponding to the connecting rod (5); and the connecting rod (5) is correspondingly provided with a limiting block (17) inserted into the limiting groove (16).
6. The high strength cone head suspension insulator according to claim 1, wherein: the groove bottom of the steel cap groove (3) is provided with three spring grooves (6) which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011281374.7A CN112530646B (en) | 2020-11-16 | 2020-11-16 | High-strength cone head suspension insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011281374.7A CN112530646B (en) | 2020-11-16 | 2020-11-16 | High-strength cone head suspension insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112530646A true CN112530646A (en) | 2021-03-19 |
| CN112530646B CN112530646B (en) | 2022-08-16 |
Family
ID=74980953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011281374.7A Active CN112530646B (en) | 2020-11-16 | 2020-11-16 | High-strength cone head suspension insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112530646B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093583A (en) * | 2021-11-24 | 2022-02-25 | 江西誉鹏电气集团有限公司 | High-toughness conical suspension type porcelain insulator |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB339287A (en) * | 1929-01-22 | 1930-12-03 | Ngk Insulators Ltd | Cap and pin type spring joint suspension electric insulator |
| JP2000243161A (en) * | 1999-02-18 | 2000-09-08 | Hitachi Cable Ltd | Insulator wind noise preventing device |
| CN202134295U (en) * | 2011-07-15 | 2012-02-01 | 乐清市上加电力科技有限公司 | Umbrella cover for high voltage line insulator |
| CN202549518U (en) * | 2012-05-02 | 2012-11-21 | 叶珍艳 | Glass insulator |
| CN107545962A (en) * | 2017-08-31 | 2018-01-05 | 江苏神马电力股份有限公司 | A kind of umbrella cover |
| JP2018129258A (en) * | 2017-02-10 | 2018-08-16 | 東京電力ホールディングス株式会社 | Insulator string device, elastic member, fastening member and production method of insulator string device |
| CN209962787U (en) * | 2019-03-26 | 2020-01-17 | 国网湖北省电力有限公司荆门供电公司 | Rod type composite insulator for buffering type suspension |
| CN210167174U (en) * | 2019-08-14 | 2020-03-20 | 句容市华盛电气有限公司 | Tensile porcelain insulator |
| CN210896801U (en) * | 2019-12-23 | 2020-06-30 | 江西省三剑电气有限公司 | Insulator with damping device |
| CN211907111U (en) * | 2020-05-27 | 2020-11-10 | 四川新象瓷业有限责任公司 | Firm electric porcelain insulator |
-
2020
- 2020-11-16 CN CN202011281374.7A patent/CN112530646B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB339287A (en) * | 1929-01-22 | 1930-12-03 | Ngk Insulators Ltd | Cap and pin type spring joint suspension electric insulator |
| JP2000243161A (en) * | 1999-02-18 | 2000-09-08 | Hitachi Cable Ltd | Insulator wind noise preventing device |
| CN202134295U (en) * | 2011-07-15 | 2012-02-01 | 乐清市上加电力科技有限公司 | Umbrella cover for high voltage line insulator |
| CN202549518U (en) * | 2012-05-02 | 2012-11-21 | 叶珍艳 | Glass insulator |
| JP2018129258A (en) * | 2017-02-10 | 2018-08-16 | 東京電力ホールディングス株式会社 | Insulator string device, elastic member, fastening member and production method of insulator string device |
| CN107545962A (en) * | 2017-08-31 | 2018-01-05 | 江苏神马电力股份有限公司 | A kind of umbrella cover |
| CN209962787U (en) * | 2019-03-26 | 2020-01-17 | 国网湖北省电力有限公司荆门供电公司 | Rod type composite insulator for buffering type suspension |
| CN210167174U (en) * | 2019-08-14 | 2020-03-20 | 句容市华盛电气有限公司 | Tensile porcelain insulator |
| CN210896801U (en) * | 2019-12-23 | 2020-06-30 | 江西省三剑电气有限公司 | Insulator with damping device |
| CN211907111U (en) * | 2020-05-27 | 2020-11-10 | 四川新象瓷业有限责任公司 | Firm electric porcelain insulator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093583A (en) * | 2021-11-24 | 2022-02-25 | 江西誉鹏电气集团有限公司 | High-toughness conical suspension type porcelain insulator |
| CN114093583B (en) * | 2021-11-24 | 2023-12-26 | 江西誉鹏电气集团有限公司 | High-toughness conical suspension porcelain insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112530646B (en) | 2022-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101761840B (en) | Embedded airfield runway centerline lamp | |
| CN112530646B (en) | High-strength cone head suspension insulator | |
| CN201645121U (en) | Steel wire retainer ring pressing device for steering pump body | |
| CN209982008U (en) | Extra-high voltage line type band gap arrester mounting structure | |
| CN208094137U (en) | A kind of fixing device of electric wire laying | |
| CN210182155U (en) | Lengthened insulator | |
| CN112530644B (en) | High-strength cylindrical head suspension insulator | |
| CN206785078U (en) | One kind transmission of electricity cross-arm | |
| CN205822893U (en) | A kind of special-shaped cross-arm and power transmission rod | |
| CN211182083U (en) | Pole-mounted circuit breaker for electric box for electric energy transmission | |
| CN210798442U (en) | Quick installation device of connecting piece for electric power electricity tower | |
| CN110299642B (en) | Plug-in electrode lighting device | |
| CN210092501U (en) | Plug-in electrode lighting device | |
| CN219303932U (en) | Broadband high-gain omnidirectional antenna | |
| CN208873551U (en) | A kind of high-tension line pull-rod porcelain insulator | |
| CN203287596U (en) | Profiling resin insulated wire clamp | |
| CN208442753U (en) | A kind of car headlamp ball screw mounting structure | |
| CN208365457U (en) | Telescopic lamp cap switching device | |
| CN208111201U (en) | A kind of high-strength composite insulator | |
| CN210896796U (en) | Anti-pollution flashover suspension insulator | |
| CN205133765U (en) | Novel electrically conductive head | |
| CN211875881U (en) | Street lamp convenient to maintain | |
| CN210739804U (en) | Forestry information monitoring is mount, rotary seal structure and electric putter for equipment | |
| CN213183775U (en) | Pin type porcelain insulator for high-voltage line | |
| CN221079737U (en) | Post insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Shengzhe Inventor after: Xu Xiujuan Inventor after: Hu Qinran Inventor after: Gao Liling Inventor after: Liu Shaohua Inventor before: Xu Xiujuan Inventor before: Hu Qinran Inventor before: Yang Shengzhe Inventor before: Gao Liling Inventor before: Liu Shaohua |
|
| CB03 | Change of inventor or designer information |