CN112530644B - High-strength cylindrical head suspension insulator - Google Patents
High-strength cylindrical head suspension insulator Download PDFInfo
- Publication number
- CN112530644B CN112530644B CN202011281402.5A CN202011281402A CN112530644B CN 112530644 B CN112530644 B CN 112530644B CN 202011281402 A CN202011281402 A CN 202011281402A CN 112530644 B CN112530644 B CN 112530644B
- Authority
- CN
- China
- Prior art keywords
- correspondingly
- umbrella skirt
- sides
- skirt structure
- cylindrical
- 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.)
- Active
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
- H01B17/02—Suspension insulators; Strain insulators
-
- 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
-
- 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
- H01B17/52—Insulators or insulating bodies characterised by their form having cleaning devices
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
Abstract
The invention discloses a high-strength cylindrical head suspension insulator, which comprises an upper cylindrical steel cap and a cylindrical umbrella skirt structure which is positioned below and connected with the cylindrical steel cap; the cylindrical steel cap is also correspondingly provided with a connecting rod which penetrates through the umbrella skirt structure from top to bottom and extends into the lower part of the umbrella skirt structure; the umbrella skirt structure inside be provided with the even umbrella skirt bead in interval of a plurality of circles, form the arris groove between the adjacent umbrella skirt bead. The suspension insulator in the device is of a cylindrical structure, the insulator with the cylindrical head structure is of a high-strength insulator structure, and the cylindrical steel cap or the cylindrical umbrella skirt structure has high strength; has better applicability.
Description
Technical Field
The invention relates to the field of insulator equipment in an electric power system, in particular to a high-strength cylindrical head suspension insulator.
Background
In the prior art, the reliability of an electric porcelain product is closely related to the structural design and matching of the product besides the close relation with the performance of main structural components such as porcelain pieces, metal accessories, adhesives and other materials, and a cylindrical head insulator is improved from a conical head insulator on the basis of the theory.
The insulator in the prior art is used as a necessary installation part of a high-voltage transmission line and is widely applied in an electric power system, the insulator in the prior art 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 the insulation with the iron tower; the insulator of current structure still need set up the full skirt structure usually, prevent the creepage of high-voltage line, increase creepage distance, prevent that high-voltage line and iron tower from connecing the electricity, consequently most insulator will keep the insulating nature of higher intensity and full skirt, the suspension insulator of cylinder head has the intensity that adds usually and can corresponding fixed high-voltage line among the prior art, but the full skirt often can receive environmental pollution, not only the surface of full skirt, the inside bead structure of full skirt in addition, and if the pollution of this part of untimely clean, probably cause the pollution flashover of insulator, the intensity of insulator also can reduce.
Disclosure of Invention
The invention aims to provide a high-strength cylindrical 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 cylindrical head suspension insulator comprises an upper cylindrical steel cap and a lower cylindrical umbrella skirt structure connected with the cylindrical steel cap; the cylindrical steel cap is also correspondingly provided with a connecting rod which penetrates through the umbrella skirt structure from top to bottom and extends into the lower part of the umbrella skirt structure; a plurality of circles of umbrella skirt convex ribs with uniform intervals are arranged inside the umbrella skirt structure, convex rib grooves are formed between every two adjacent umbrella skirt convex ribs, the lower end surfaces of the umbrella skirt convex ribs are flush, and the bottom ends of the umbrella skirt convex ribs are positioned above the bottom end of the umbrella skirt structure; the inner sides of two ends of the bottom of the umbrella skirt structure are provided with detachable transverse plates, the transverse plates at two sides are connected with a ring body at the middle position, so that the transverse plates at two sides are connected into a whole, the arrangement position of the ring body corresponds to the arrangement position of the connecting rod, and the connecting rod downwards penetrates through the ring body; the upper end surface of the transverse plate is also correspondingly provided with an inserting rod corresponding to the position of the convex edge groove, the inserting rod is correspondingly inserted into the convex edge groove, the two sides of the inserting rod are also correspondingly provided with cleaning cushions, and the cleaning cushions on the two sides are correspondingly clung to the side walls on the two sides of the convex edge groove; and the transverse plates at the two sides can rotate correspondingly, so that the inserted rods inserted in the convex edge grooves are driven to move correspondingly.
Preferably, two sides of the bottom of the umbrella skirt structure are provided with annular clamping grooves; and the lateral ends of the lateral transverse plates at the two sides are also correspondingly provided with clamping blocks, the lateral transverse plates at the two sides are correspondingly clamped in the clamping grooves through the clamping blocks, and the lateral transverse plates can correspondingly rotate and move.
Preferably, the outer side of the upper end of the umbrella skirt structure is further provided with a circle of clamping grooves, clamping plates are correspondingly installed in the clamping grooves, at least one cleaning plate correspondingly extends downwards on the clamping plates, and the shape of each cleaning plate is matched with the outline of the end face of the outer side of the umbrella skirt structure.
Preferably, the upper end of the clamping plate is also provided with a rotating rod; the lower terminal surface of diaphragm then install the dwang equally, can correspondingly drive the cardboard of top and the diaphragm of below through the dwang and rotate.
Preferably, the cylindrical steel cap is provided with a nut mounting groove and the end part of the connecting rod is correspondingly provided with a connector.
Preferably, the bottom surface of the umbrella skirt structure is also provided with a cleaning soft cushion; and the transverse plate, the ring body and the plug rod are all correspondingly made of insulating materials.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) the suspension insulator in the device is of a cylindrical structure, the insulator with the cylindrical head structure is of a high-strength insulator structure, and the cylindrical steel cap or the cylindrical umbrella skirt structure has high strength; the method has better applicability;
(2) in the device, the umbrella skirt structure is set to be a cylindrical umbrella skirt structure, and the umbrella skirt ribs in the umbrella skirt structure are correspondingly and uniformly arranged at annular intervals, so that when the high-voltage cable is installed and connected through the connecting rod, the creeping of the high-voltage cable can be correspondingly prevented through the arranged umbrella skirt ribs, but the inner parts of the umbrella skirt ribs need to be correspondingly kept clean; the lower end part of the umbrella skirt structure in the device is longer, the inner side of the lower end is correspondingly provided with the clamping groove, the transverse plates can be detachably and correspondingly installed through the matching of the clamping groove and the clamping block, the ring bodies are arranged in the middles of the transverse plates on two sides, the connecting rod penetrates through the ring bodies without influencing the connection and installation of high-voltage wires, the transverse plates are correspondingly provided with vertical upward insertion rods, the insertion rods are just inserted into the convex edge grooves, the insertion rods are further provided with cleaning cushions, each convex edge groove is internally provided with one insertion rod, and the clamping groove and the clamping block are installed in a matched mode, so that the transverse plates can rotate, pollutants in the convex edge grooves can be conveniently and easily cleaned out, the inside of the convex edge grooves is kept clean, and the purpose of effective insulation is achieved; the transverse plate can be detached correspondingly, and the transverse plate can be cleaned after being installed when the transverse plate needs to be cleaned, so that the transverse plate is very convenient;
(3) not only the inside bead groove of full skirt structure can be clean in this device, and the surface of full skirt structure also can be corresponding clean, the up end of full skirt structure is provided with the draw-in groove of round equally, can correspondingly install the fixture block in this draw-in groove, this fixture block also can rotate equally, and then corresponding downwardly extending is provided with the board that cleans of at least one on the fixture block, the structural shape of cleaning the board matches with the surface profile structure of full skirt structure, so long as corresponding rotation fixture block drives and cleans the board rotation and can clear away the filth on the structural surface of full skirt, keep the clean insulation on full skirt surface, just so can keep overall structure's use strength, increase life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a view from a in fig. 1.
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 and 2, a high-strength cylindrical head suspension insulator comprises an upper cylindrical steel cap 1 and a lower cylindrical shed structure 2 connected with the cylindrical steel cap 1; the cylindrical steel cap 1 is also correspondingly provided with a connecting rod 3, and the connecting rod 3 penetrates through the umbrella skirt structure 2 from top to bottom and extends into the lower part of the umbrella skirt structure 2; a plurality of circles of shed ribs 4 with uniform intervals are arranged inside the shed structure 2, rib grooves 5 are formed between every two adjacent shed ribs 4, the lower end surfaces of the shed ribs 4 are flush, and the bottom ends of the shed ribs 4 are positioned above the bottom end of the shed structure 2; the inner sides of two ends of the bottom of the umbrella skirt structure 2 are respectively provided with a detachable transverse plate 6, the transverse plates 6 at two sides are connected with a ring body 7 at the middle position, so that the transverse plates 6 at two sides are connected into a whole, the arrangement position of the ring body 7 corresponds to the arrangement position of the connecting rod 3, and the connecting rod 3 correspondingly penetrates through the ring body 7 downwards; the upper end surface of the transverse plate 6 is also correspondingly provided with an inserting rod 8 corresponding to the position of the convex edge groove 5, the inserting rod 8 is correspondingly inserted into the convex edge groove 5, the two sides of the inserting rod 8 are also correspondingly provided with cleaning soft pads 9, and the cleaning soft pads 9 on the two sides are correspondingly clung to the side walls on the two sides of the convex edge groove 5; and the transverse plates 6 at the two sides can rotate correspondingly, so that the inserted rods 8 inserted in the convex edge grooves 5 are driven to move correspondingly.
Two sides of the bottom of the umbrella skirt structure 2 are provided with annular clamping grooves 10; the outer side ends of the transverse plates 6 at the two sides are also correspondingly provided with clamping blocks 11, the transverse plates 6 at the two sides are correspondingly clamped in the clamping grooves 10 through the clamping blocks 11, and the transverse plates 6 can correspondingly rotate and move; the outer side of the upper end of the umbrella skirt structure 2 is further provided with a circle of clamping grooves 10, clamping plates 12 are correspondingly installed in the clamping grooves 10, at least one cleaning plate 13 correspondingly extends downwards on the clamping blocks 12, and the shape of each cleaning plate 13 is matched with the outline of the outer side end face of the umbrella skirt structure 2.
The upper end of the clamping plate 12 is also provided with a rotating rod 14; the lower end surface of the transverse plate 6 is also provided with a rotating rod, and the rotating rod 14 can correspondingly drive the upper clamping plate 12 and the lower transverse plate 6 to rotate; the cylindrical steel cap 1 is provided with a nut mounting groove 15 and a connector 16 correspondingly mounted at the end part of the connecting rod 3; the bottom surface of the umbrella skirt structure 2 is also provided with a cleaning soft cushion 9; and the transverse plate 6, the ring body 7 and the plug rod 8 are all made of insulating materials.
The suspension insulator in the device is of a cylindrical structure, the insulator with the cylindrical head structure is of a high-strength insulator structure, and the cylindrical steel cap or the cylindrical umbrella skirt structure has high strength; has better applicability.
In the device, the umbrella skirt structure is set to be a cylindrical umbrella skirt structure, and the umbrella skirt ribs in the umbrella skirt structure are correspondingly and uniformly arranged at annular intervals, so that when the high-voltage cable is installed and connected through the connecting rod, the creeping of the high-voltage cable can be correspondingly prevented through the arranged umbrella skirt ribs, but the inner parts of the umbrella skirt ribs need to be correspondingly kept clean; the lower end part of the umbrella skirt structure in the device is longer, the inner side of the lower end is correspondingly provided with the clamping groove, the transverse plates can be detachably and correspondingly installed through the matching of the clamping groove and the clamping block, the ring bodies are arranged in the middles of the transverse plates on two sides, the connecting rod penetrates through the ring bodies without influencing the connection and installation of high-voltage wires, the transverse plates are correspondingly provided with vertical upward insertion rods, the insertion rods are just inserted into the convex edge grooves, the insertion rods are further provided with cleaning cushions, each convex edge groove is internally provided with one insertion rod, and the clamping groove and the clamping block are installed in a matched mode, so that the transverse plates can rotate, pollutants in the convex edge grooves can be conveniently and easily cleaned out, the inside of the convex edge grooves is kept clean, and the purpose of effective insulation is achieved; and the diaphragm also can be dismantled, can correspondingly dismantle, can install the back clean when needing to clean, very convenience.
Not only the inside bead groove of full skirt structure can be clean in this device, and the surface of full skirt structure also can be corresponding clean, the up end of full skirt structure is provided with the draw-in groove of round equally, can correspondingly install the fixture block in this draw-in groove, this fixture block also can rotate equally, and then corresponding downwardly extending is provided with the board that cleans of at least one on the fixture block, the structural shape of cleaning the board matches with the surface profile structure of full skirt structure, so long as corresponding rotation fixture block drives and cleans the board rotation and can clear away the filth on the structural surface of full skirt, keep the clean insulation on full skirt surface, just so can keep overall structure's use strength, increase life.
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 (3)
1. The utility model provides a high strength cylinder head suspension insulator which characterized in that: comprises an upper cylindrical steel cap (1) and a lower cylindrical umbrella skirt structure (2) connected with the cylindrical steel cap (1); the cylindrical steel cap (1) is also correspondingly provided with a connecting rod (3), and the connecting rod (3) penetrates through the umbrella skirt structure (2) from top to bottom and extends into the lower part of the umbrella skirt structure (2); a plurality of circles of umbrella skirt convex ribs (4) with uniform intervals are arranged inside the umbrella skirt structure (2), convex rib grooves (5) are formed between every two adjacent umbrella skirt convex ribs (4), the lower end surfaces of the umbrella skirt convex ribs (4) are flush, and the bottom ends of the umbrella skirt convex ribs (4) are positioned above the bottom end of the umbrella skirt structure (2); the inner sides of two ends of the bottom of the umbrella skirt structure (2) are respectively provided with a detachable transverse plate (6), the transverse plates (6) at two sides are connected with a ring body (7) at the middle position, so that the transverse plates (6) at two sides are connected into a whole, the arrangement position of the ring body (7) corresponds to the arrangement position of the connecting rod (3), and the connecting rod (3) correspondingly penetrates through the ring body (7) downwards; the upper end surface of the transverse plate (6) is also correspondingly provided with an inserting rod (8) corresponding to the position of the convex edge groove (5), the inserting rod (8) is correspondingly inserted into the convex edge groove (5), cleaning cushions (9) are correspondingly arranged on two sides of the inserting rod (8), and the cleaning cushions (9) on the two sides are correspondingly clung to the side walls on the two sides of the convex edge groove (5); the transverse plates (6) at the two sides can rotate correspondingly, so that the inserted rods (8) inserted in the convex edge grooves (5) are driven to move correspondingly;
two sides of the bottom of the umbrella skirt structure (2) are provided with annular clamping grooves (10); the outer side ends of the transverse plates (6) at the two sides are also correspondingly provided with clamping blocks (11), the transverse plates (6) at the two sides are correspondingly clamped in the clamping grooves (10) through the clamping blocks (11), and the transverse plates (6) can correspondingly rotate and move;
a circle of clamping grooves (10) are further formed in the outer side of the upper end of the umbrella skirt structure (2), clamping plates (12) are correspondingly mounted in the clamping grooves (10), at least one cleaning plate (13) correspondingly extends downwards on each clamping plate (12), and the shape of each cleaning plate (13) is matched with the outline of the end face of the outer side of the umbrella skirt structure (2);
the upper end of the clamping plate (12) is also provided with a rotating rod (14); the lower end surface of the transverse plate (6) is also provided with a rotating rod, and the rotating rod (14) can correspondingly drive the clamping plate (12) above and the transverse plate (6) below to rotate.
2. The high-strength cylindrical head suspension insulator according to claim 1, wherein: the cylindrical steel cap (1) is provided with a nut mounting groove (15) and the end part of the connecting rod (3) is correspondingly provided with a connector (16).
3. The high-strength cylindrical head suspension insulator according to claim 1, wherein: the transverse plate (6), the ring body (7) and the plug rod (8) are made of insulating materials correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011281402.5A CN112530644B (en) | 2020-11-16 | 2020-11-16 | High-strength cylindrical head suspension insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011281402.5A CN112530644B (en) | 2020-11-16 | 2020-11-16 | High-strength cylindrical head suspension insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112530644A CN112530644A (en) | 2021-03-19 |
| CN112530644B true CN112530644B (en) | 2022-08-16 |
Family
ID=74980984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011281402.5A Active CN112530644B (en) | 2020-11-16 | 2020-11-16 | High-strength cylindrical head suspension insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112530644B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968726B (en) * | 2021-11-03 | 2022-12-09 | 江苏省电力试验研究院有限公司 | Preparation method of high-strength alumina suspension insulator and porcelain insulator structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1239664A (en) * | 1968-04-10 | 1971-07-21 | ||
| CN202977020U (en) * | 2012-12-18 | 2013-06-05 | 山西省电力公司大同供电分公司 | Shed glass insulator adaptable to coastal areas |
| JP2018170120A (en) * | 2017-03-29 | 2018-11-01 | 中国電力株式会社 | Cleaning tool for insulator |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3445969B2 (en) * | 2000-12-04 | 2003-09-16 | 株式会社きんでん | Insulator cleaner |
| CN202977008U (en) * | 2012-12-18 | 2013-06-05 | 山西省电力公司大同供电分公司 | Bar-shaped suspension composite insulator string |
| JP2017076585A (en) * | 2015-10-16 | 2017-04-20 | 中国電力株式会社 | Insulator cleaning machine |
| CN205900204U (en) * | 2016-08-16 | 2017-01-18 | 定州唐北绝缘子有限公司 | Extension creep distance type suspension porcelain insulator |
| CN209029174U (en) * | 2018-12-21 | 2019-06-25 | 王蝶 | A kind of pollution flashover preventing insulator device |
| CN209962786U (en) * | 2019-07-29 | 2020-01-17 | 福建和盛崇业电瓷有限公司 | Disc-shaped suspension insulator for suspension of high-voltage circuit |
| CN210743698U (en) * | 2019-11-07 | 2020-06-12 | 醴陵市浦口华能电瓷电器制造有限公司 | Insulator with excellent antifouling flashover performance |
| CN110993222B (en) * | 2019-12-16 | 2021-05-18 | 江西新龙电瓷电器制造有限公司 | Self-cleaning composite insulator |
| CN110957087B (en) * | 2019-12-17 | 2021-10-22 | 江西省萍乡市宇翔电瓷制造有限公司 | Self-cleaning suspension insulator |
| CN211788387U (en) * | 2020-05-26 | 2020-10-27 | 江西新鸿利瓷业有限公司 | Antifouling type porcelain insulator |
-
2020
- 2020-11-16 CN CN202011281402.5A patent/CN112530644B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1239664A (en) * | 1968-04-10 | 1971-07-21 | ||
| CN202977020U (en) * | 2012-12-18 | 2013-06-05 | 山西省电力公司大同供电分公司 | Shed glass insulator adaptable to coastal areas |
| JP2018170120A (en) * | 2017-03-29 | 2018-11-01 | 中国電力株式会社 | Cleaning tool for insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112530644A (en) | 2021-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101149831B1 (en) | Power Line Supporting Device for replacing Insulator in Transmission Towers | |
| CN112530644B (en) | High-strength cylindrical head suspension insulator | |
| CN211654439U (en) | Make things convenient for insulator of dismouting | |
| CN111986862B (en) | Composite insulator capable of automatically cleaning ash | |
| CN210805362U (en) | Novel electric power insulator | |
| CN205180190U (en) | Drive bird ware structure and special installation pole thereof | |
| CN216697984U (en) | Insulator with adaptive adjusting structure | |
| CN112530646B (en) | High-strength cone head suspension insulator | |
| CN207235348U (en) | A kind of short shielding case with insulated support | |
| CN213123978U (en) | Novel high-voltage porcelain insulator | |
| CN208666872U (en) | Mounting hanger for fixed screw of winning in succession | |
| CN109208999B (en) | Transposition tower and transposition method | |
| CN219040159U (en) | Windproof cylindrical ceramic insulator | |
| CN219267393U (en) | High-voltage cylindrical head porcelain insulator | |
| CN221427454U (en) | Composite suspension insulator | |
| CN214698630U (en) | Anti-rotation bolt assembly | |
| CN205122887U (en) | Car end high voltage connector | |
| CN220962917U (en) | Large-tonnage cylindrical suspension porcelain insulator structure | |
| CN113270237B (en) | High-strength column type electric porcelain insulator | |
| CN204304197U (en) | High voltage safeguard switch Special grounding rod | |
| CN218730176U (en) | Special withhold device of insulator production | |
| CN212303240U (en) | Insulator for removing dust by wind power | |
| CN219997969U (en) | Composite disc insulator | |
| CN218299487U (en) | Rod-shaped suspension type porcelain insulator | |
| 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 | ||
| 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 |