CN112038016B - Ceramic insulator for extra-high voltage power transmission for connecting thick cable - Google Patents
Ceramic insulator for extra-high voltage power transmission for connecting thick cable Download PDFInfo
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- CN112038016B CN112038016B CN202010925592.3A CN202010925592A CN112038016B CN 112038016 B CN112038016 B CN 112038016B CN 202010925592 A CN202010925592 A CN 202010925592A CN 112038016 B CN112038016 B CN 112038016B
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- 239000012212 insulator Substances 0.000 title claims abstract description 85
- 239000000919 ceramic Substances 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims 3
- 238000011084 recovery Methods 0.000 claims 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
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Abstract
The invention relates to the technical field of ceramic insulators, in particular to a thick cable connecting ceramic insulator for extra-high voltage transmission, which comprises an insulator, wherein support columns are fixedly connected to the upper end and the lower end of the insulator, a plurality of color sheets which are uniformly distributed are arranged around the support columns at the lower end of the insulator in an annular mode, an outer cylinder is fixedly connected to the end portions of the upper ends of the color sheets, a shaft lever is sleeved in the middle of the outer cylinder, and a control cylinder is arranged at the top of the insulator and fixedly sleeved on the insulator.
Description
Technical Field
The invention relates to the technical field of ceramic insulators, in particular to a ceramic insulator for extra-high voltage power transmission, which is used for connecting thick cables.
Background
The extra-high voltage power transmission ceramic insulator of the thick cable of connection among the prior art, the during operation probably has the cable to excessively pull the insulator problem, causes the interrupt problem of insulator, and a cable pulls through a plurality of insulators, and single insulator interrupt probably can not directly be separated, and two parts of fracture probably still contact, and the staff can not in time know the condition through observing like this.
If the ceramic insulator can be invented, the appearance of the insulator can be changed in time as long as the ceramic insulator is broken, so that workers can know the problems in time, and the problems can be solved, and the ceramic insulator for extra-high voltage power transmission for connecting thick cables is provided.
Disclosure of Invention
The invention aims to provide a ceramic insulator for extra-high voltage power transmission for connecting a thick cable, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a ceramic insulator for extra-high voltage power transmission for connecting thick cables comprises an insulator, wherein support columns are fixedly connected to the upper end and the lower end of the insulator, a plurality of color sheets which are uniformly distributed are arranged around the support columns at the lower end of the insulator in an annular mode, an outer cylinder is fixedly connected to the upper end of each color sheet, a shaft lever is sleeved in the middle of the outer cylinder, a control cylinder is arranged at the top of the insulator and fixedly sleeved on the insulator, a plurality of plate-shaped grooves which are uniformly distributed are annularly arranged on the control cylinder, the outer cylinder is arranged in the plate-shaped grooves of the control cylinder, the end of the shaft lever is fixedly connected with the inner wall of the plate-shaped groove on the control cylinder, a propelling device is arranged on one side of the outer cylinder and arranged in the plate-shaped groove of the control cylinder, a telescopic column is arranged on the other side of the outer cylinder, a corrugated pipe is fixedly connected to one end of the telescopic column, and the telescopic column and the corrugated pipe are arranged in a cylindrical groove formed in the bottom surface of the plate-shaped groove of the control cylinder, a hard tube is embedded in the insulator, one end of the hard tube is connected with the bottom surface of a cylindrical groove on the control cylinder, one end of the support column is fixedly connected with a cylindrical plate which is embedded in the insulator, a square plate-shaped control cavity is arranged in the insulator, two mutually parallel cylindrical plates are distributed in the control cavity, a plurality of pushing blocks which are uniformly distributed are arranged in the control cavity, one end of each pushing block is fixedly connected with one cylindrical plate, the other end of each pushing block extends into a clamping groove formed in the other cylindrical plate, a plurality of uniformly distributed circular plate grooves are formed in the inner wall of the control cavity, a rubber bag and a pressure plate are arranged in each circular plate groove of the insulator, one end of the rubber bag is contacted with a pressure plate, one end of the pressure plate is contacted with the cylindrical plates, the other end of the rubber bag is fixedly connected with a rubber branch tube, one end of the rubber branch tube is connected with a rubber main tube, and the rubber branch tube and the rubber main tube are embedded in the insulator, an annular tube cavity is arranged in the insulator, one side of the annular tube cavity is connected with a rubber main tube, the other side of the annular tube cavity is connected with a hard tube, and an air valve is arranged in the inner cavity of the hard tube.
Preferably, the telescopic column and the corrugated pipe are movably sleeved in the cylindrical groove on the control cylinder, one end of the corrugated pipe is fixedly connected with the other end of the corrugated pipe fixedly connected with the telescopic column and the bottom surface of the cylindrical groove on the control cylinder, and one end of the hard pipe extends into the inner cavity of the control cylinder.
Preferably, advancing device includes control box, spring leaf and the cylindrical pressure pole of arc, the control box is arc cylinder shell form and cylinder shell one end is the open end, and the control box is fixed on the platelike inslot wall of control section of thick bamboo, is provided with spring leaf and pressure pole in the inner chamber of control box, the one end contact of pressure pole has the spring leaf, and the other end of pressure pole extends to the control box outside, and pressure pole tip and colour piece contact.
Preferably, the control chamber includes a sealing cylinder, a rubber ball and a ventilation plate, one end of the rubber ball is provided with the ventilation plate, the other end of the rubber ball is provided with the sealing cylinder, the sealing cylinder and the ventilation plate are fixed on the inner wall of the hard tube, and the ventilation plate is in a circular plate shape and is provided with a plurality of uniformly distributed through holes on the plate body.
Preferably, the rubber bag is spherical shell-shaped, the rubber bag is fixed on the bottom surface of a circular plate groove on the insulator, the pressure plate is circular plate-shaped and movably sleeved in the circular plate groove on the insulator, and the propulsion block is triangular plate-shaped.
Preferably, the telescopic column is cylindrical, a plurality of uniformly distributed protruding sliding blocks are arranged on a fixing ring on the side wall of the column body, the protruding sliding blocks on the telescopic column partially extend into sliding grooves formed in the inner wall of a cylindrical groove of the control cylinder, one end of the telescopic column extends into a plate-shaped groove of the control cylinder, and the end part of the telescopic column is in contact with the color piece.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the deformation condition of the insulator is amplified, an external pulling force acts on the insulator, the insulator has certain pulling deformation, and a plurality of color sheets annularly arranged around the supporting column are simultaneously triggered to open, so that a worker can know the problem of the insulator in time by observing the change of the appearance of the insulator, and needs to replace the insulator in time;
2. the device realizes stable air flow control transmission through the airtight communication design of the rubber bag, the rubber branch pipe, the rubber main pipe, the annular pipe cavity, the hard pipe and the corrugated pipe, namely the insulator breaks, the color sheet can be triggered to open in time, the breaking point does not occur at the position of the annular pipe cavity, and the transmission of the air flow can be completed smoothly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a pusher block configuration;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic view of a color patch structure.
In the figure: 1 insulator, 2 support columns, 3 color sheets, 4 outer cylinders, 5 shaft rods, 6 control cylinders, 7 propelling devices, 8 telescopic columns, 9 corrugated pipes, 10 hard pipes, 11 columnar plates, 12 control cavities, 13 air valves, 14 propelling blocks, 15 rubber bags, 16 pressure plates, 17 rubber branch pipes, 18 rubber main pipes, 19 annular pipe cavities, 20 sealing cylinders, 21 rubber balls, 22 breathable plates, 23 control boxes, 24 spring sheets and 25 pressure rods.
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 obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a ceramic insulator for extra-high voltage power transmission for connecting thick cables comprises an insulator 1, wherein the upper end and the lower end of the insulator 1 are fixedly connected with support columns 2, a plurality of color sheets 3 which are uniformly distributed are annularly arranged around the support columns 2 at the lower end of the insulator 1, the upper end part of each color sheet 3 is fixedly connected with an outer cylinder 4, a shaft lever 5 is sleeved in the middle of each outer cylinder 4, a control cylinder 6 is arranged at the top of the insulator 1, the control cylinder 6 is fixedly sleeved on the insulator 1, a plurality of uniformly distributed plate-shaped grooves are annularly arranged on the control cylinder 6, the outer cylinder 4 is arranged in the plate-shaped grooves of the control cylinder 6, the end part of the shaft lever 5 is fixedly connected with the inner walls of the plate-shaped grooves on the control cylinder 6, one side of the outer cylinder 4 is provided with a propulsion device 7, the propulsion device 7 is arranged in the plate-shaped grooves of the control cylinder 6, the other side of the outer cylinder 4 is provided with a telescopic column 8, one end of the telescopic column 8 is fixedly connected with a corrugated pipe 9, the telescopic column 8 and the corrugated pipe 9 are arranged in a cylindrical groove formed on the bottom surface of a plate-shaped groove of the control cylinder 6, a hard pipe 10 is embedded in the insulator 1, one end of the hard pipe 10 is connected with the bottom surface of the cylindrical groove on the control cylinder 6, one end of the support column 2 is fixedly connected with a cylindrical plate 11, the cylindrical plate 11 is embedded in the insulator 1, a square-plate-shaped control cavity 12 is formed in the insulator 1, two parallel cylindrical plates 11 are distributed in the control cavity 12, a plurality of uniformly distributed pushing blocks 14 are arranged in the control cavity 12, one end of each pushing block 14 is fixedly connected with one cylindrical plate 11, the other end of each pushing block 14 extends into a clamping groove formed in the other cylindrical plate 11, a plurality of uniformly distributed circular plate grooves are formed in the inner wall of the control cavity 12, a rubber bag 15 and a pressure plate 16 are arranged in the circular plate groove of the insulator 1, one end of the rubber bag 15 is contacted with the pressure plate 16, one end of a pressure plate 16 is contacted with the columnar plate 11, the other end of the rubber bag 15 is fixedly connected with a rubber branch pipe 17, one end of the rubber branch pipe 17 is connected with a rubber main pipe 18, the rubber branch pipe 17 and the rubber main pipe 18 are embedded in the insulator 1, an annular pipe cavity 19 is arranged in the insulator 1, one side of the annular pipe cavity 19 is connected with the rubber main pipe 18, the other side of the annular pipe cavity 19 is connected with a hard pipe 10, an air valve 13 is arranged in the inner cavity of the hard pipe 10, as can be understood by referring to fig. 1 and fig. 2, a plurality of color sheets 3 are uniformly and annularly arranged around the supporting column 2, the columnar plate 11 is embedded in the insulator 1, one end of the columnar plate 11 extends into the control cavity 12, the two columnar plates 11 are alternately fixed with a propulsion block 14, the columnar plate 11 is made of plastic material, namely, if the two columnar plates 11 are mutually pulled and pressed by an overlarge pressure, the propulsion block 14 restrains the columnar plate 11 in moving, and the position of the propulsion block 14 on the columnar plate 11 is convexly deformed, the pressure plate 16 is pressed, the pressure plate 16 moves to press the rubber bag 15, the insulator 1, the supporting column 2 and the columnar plate 11 are firmly connected in a natural state, and if excessive pulling occurs, the insulator 1 is stretched and deformed to a certain degree.
The telescopic column 8 and the corrugated pipe 9 are movably sleeved in a cylindrical groove on the control cylinder 6, one end of the corrugated pipe 9 is fixedly connected with the other end of the telescopic column 8, which is fixedly connected with the corrugated pipe 9, and the bottom surface of the cylindrical groove on the control cylinder 6, and one end of the hard pipe 10 extends into the inner cavity of the control cylinder 6.
The propelling device 7 comprises a control box 23, a spring piece 24 and an arc-shaped cylindrical pressure rod 25, the control box 23 is in an arc-shaped cylindrical shell shape, one end of the cylindrical shell is an opening end, the control box 23 is fixed on the inner wall of a plate-shaped groove of the control cylinder 6, the spring piece 24 and the pressure rod 25 are arranged in an inner cavity of the control box 23, one end of the pressure rod 25 is contacted with the spring piece 24, the other end of the pressure rod 25 extends to the outside of the control box 23, and the end part of the pressure rod 25 is contacted with the color sheet 3.
The control cavity 12 comprises a sealing cylinder 20, a rubber ball 21 and a ventilation plate 22, the ventilation plate 22 is arranged at one end of the rubber ball 21, the sealing cylinder 20 is arranged at the other end of the rubber ball 21, the sealing cylinder 20 and the ventilation plate 22 are fixed on the inner wall of the hard tube 10, and the ventilation plate 22 is in a circular plate shape and is provided with a plurality of uniformly distributed through holes.
The rubber bag 15 is in a spherical shell shape, the rubber bag 15 is fixed on the bottom surface of a circular plate groove on the insulator 1, the pressure plate 16 is in a circular plate shape, the pressure plate 16 is movably sleeved in the circular plate groove on the insulator 1, and the propelling block 14 is in a triangular plate shape.
The shape of the telescopic column 8 is a cylinder, a plurality of uniformly distributed convex sliding blocks are arranged on the side wall of the cylinder in a fixing mode, the convex sliding blocks on the telescopic column 8 partially extend into sliding grooves formed in the inner wall of a cylinder groove of the control cylinder 6, one end of the telescopic column 8 extends into a plate-shaped groove of the control cylinder 6, and the end portion of the telescopic column 8 is in contact with the color sheet 3.
The working principle is as follows: an external pulling force acts on the insulator 1, namely the two supporting columns 2 have a tendency of being away from each other, the supporting columns 2 drive the columnar plates 11, the two columnar plates 11 move in a staggered manner, the pushing block 14 pushes up the columnar plates 11, the columnar plates 11 are subjected to plastic deformation and further bulge locally, the pressure plate 16 is pushed up at the bulge parts on the columnar plates 11, the pressure plate 16 moves to press the rubber bag 15, gas in the rubber bag 15 is extruded out, the gas in the rubber bag 15 flows through the rubber branch pipes 17, the rubber main pipe 18, the annular pipe cavity 19 and the hard pipe 10, the gas flow flows into the corrugated pipe 9, the corrugated pipe 9 deforms and expands, the air pressure pushes the telescopic columns 8 to move, the telescopic columns 8 move to push up the color sheets 3, the color sheets 3 rotate against the rebound of the pressure rod 25, the color sheets 3 annularly arranged around the supporting columns 2 are opened, obvious appearance changes are generated at the lower ends of the insulator 1, and workers can observe the color sheets in time, further know that insulator 1 has taken place deformation, need in time change, spring leaf 24 bounce-backs and pushes away pressure rod 25, and pressure rod 25 exerts certain pressure to colour piece 3 all the time, and when the air current passed through control chamber 12, the air current forced rubber ball 21 to take place certain deformation, and the air current passes through the space between sealed section of thick bamboo 20 and the rubber ball 21, and the air current resumes the spherical form through back rubber ball 21, avoids the air current to leak in bellows 9.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a connect extra-high voltage power transmission of thick cable and use ceramic insulator, includes insulator (1), its characterized in that: the upper end and the lower end of the insulator (1) are fixedly connected with supporting columns (2), a plurality of color sheets (3) which are uniformly distributed are annularly arranged around the supporting columns (2) at the lower end of the insulator (1), the upper end parts of the color sheets (3) are fixedly connected with an outer barrel (4), a shaft lever (5) is sleeved in the middle of the outer barrel (4), a control barrel (6) is arranged at the bottom of the insulator (1), the control barrel (6) is fixedly sleeved on the insulator (1), a plurality of plate-shaped grooves which are uniformly distributed are annularly arranged on the control barrel (6), the outer barrel (4) is arranged in the plate-shaped groove of the control barrel (6), the end parts of the shaft lever (5) are fixedly connected with the inner wall of the plate-shaped groove on the control barrel (6), a propelling device (7) is arranged on one side of the outer barrel (4), the propelling device (7) is arranged in the plate-shaped groove of the control barrel (6), and a telescopic column (8) is arranged on the other side of the outer barrel (4), one end of a telescopic column (8) is fixedly connected with a corrugated pipe (9), the telescopic column (8) and the corrugated pipe (9) are arranged in a cylindrical groove formed in the bottom surface of a plate-shaped groove of a control cylinder (6), a hard pipe (10) is embedded in an insulator (1), one end of the hard pipe (10) is communicated with the corrugated pipe on the bottom surface of the cylindrical groove on the control cylinder (6), one end of a supporting column (2) is fixedly connected with a columnar plate (11), the columnar plate (11) is embedded in the insulator (1), a square plate-shaped control cavity (12) is formed in the insulator (1), two columnar plates (11) which are parallel to each other are distributed in the control cavity (12), a plurality of uniformly distributed propelling blocks (14) are arranged in the control cavity (12), one end of each propelling block (14) is fixedly connected with one columnar plate (11), and the other end of each propelling block (14) extends into a clamping groove formed in the other columnar plate (11), the inner wall of the control cavity (12) is provided with a plurality of uniformly distributed circular plate grooves, a rubber bag (15) and a pressure plate (16) are arranged in the circular plate grooves of the insulator (1), one end of the rubber bag (15) is contacted with the pressure plate (16), one end of the pressure plate (16) is contacted with the columnar plate (11), the other end of the rubber bag (15) is communicated with a rubber branch pipe (17), one end of the rubber branch pipe (17) is connected with a rubber main pipe (18), the rubber branch pipe (17) and the rubber main pipe (18) are embedded into the insulator (1), an annular pipe cavity (19) is arranged in the insulator (1), one side of the annular pipe cavity (19) is connected with the rubber main pipe (18), the other side of the annular pipe cavity (19) is connected with a hard pipe (10), and an air valve (13) is arranged in the inner cavity of the hard pipe (10);
the external pulling force is applied to the insulator (1), namely two supporting columns (2) have the tendency of being away from each other, the supporting columns (2) drive the columnar plates (11), the two columnar plates (11) move in a staggered mode, the pushing blocks (14) jack the columnar plates (11), the columnar plates (11) are plastically deformed and are locally raised, the raised parts on the columnar plates (11) jack the pressure plates (16), the pressure plates (16) move to press the rubber capsules (15), the gas in the rubber capsules (15) is extruded out, the gas in the rubber capsules (15) flows through the rubber branch pipes (17), the rubber main pipe (18), the annular pipe cavities (19) and the hard pipes (10), the air flow rushes into the corrugated pipe (9), the corrugated pipe (9) deforms and expands, the air pressure pushes the telescopic columns (8) to move, the telescopic columns (8) move to jack the color sheets (3), and the color sheets (3) rotate against the rebound of the pressure rods (25), a plurality of color piece (3) of ring establishment around support column (2) open, produce obvious appearance change at the lower extreme of insulator (1), the staff can in time observe, and then know that insulator (1) has taken place deformation, need in time change, spring leaf (24) bounce-back thrust pressure pole (25), certain pressure is applyed all the time to color piece (3) in pressure pole (25), when the air current passes through control chamber (12), certain deformation takes place in air current force rubber ball (21), the air current passes through the space between sealing cylinder (20) and rubber ball (21), the air current passes through back rubber ball (21) recovery spherical form, avoid bellows (9) recovery air current to leak.
2. The ceramic insulator for extra-high voltage power transmission for connecting the thick cable according to claim 1, wherein: the telescopic column (8) and the corrugated pipe (9) are movably sleeved in a cylindrical groove on the control cylinder (6), one end of the corrugated pipe (9) is fixedly connected with the other end of the corrugated pipe (9) through the telescopic column (8) and the bottom surface of the cylindrical groove on the control cylinder (6), and one end of the hard pipe (10) extends into an inner cavity of the control cylinder (6).
3. The ceramic insulator for extra-high voltage power transmission for connecting the thick cable according to claim 1, wherein: advancing device (7) are including control box (23), spring leaf (24) and arc columnar pressure pole (25), control box (23) are arc cylinder shell form and cylinder shell one end is the open end, and control box (23) are fixed on the platelike inslot wall of control section of thick bamboo (6), are provided with spring leaf (24) and pressure pole (25) in the inner chamber of control box (23), the one end contact of pressure pole (25) has spring leaf (24), and the other end of pressure pole (25) extends to control box (23) outside, and pressure pole (25) tip and colour piece (3) contact.
4. The ceramic insulator for extra-high voltage power transmission for connecting the thick cable according to claim 1, wherein: the control cavity (12) comprises a sealing cylinder (20), a rubber ball (21) and a ventilation plate (22), the ventilation plate (22) is arranged at one end of the rubber ball (21), the sealing cylinder (20) is arranged at the other end of the rubber ball (21), the sealing cylinder (20) and the ventilation plate (22) are fixed on the inner wall of the hard tube (10), and the ventilation plate (22) is in a circular plate shape and is provided with a plurality of uniformly distributed through holes.
5. The ceramic insulator for extra-high voltage power transmission for connecting the thick cable according to claim 1, wherein: the rubber bag (15) is spherical shell-shaped, the rubber bag (15) is fixed on the bottom surface of a circular plate groove on the insulator (1), the pressure plate (16) is circular plate-shaped, the pressure plate (16) is movably sleeved in the circular plate groove on the insulator (1), and the propelling block (14) is triangular plate-shaped.
6. The ceramic insulator for extra-high voltage power transmission for connecting the thick cable according to claim 1, wherein: the telescopic column (8) is in a cylindrical shape, a plurality of protruding sliding blocks are uniformly distributed on the upper fixing ring of the side wall of the column body, the protruding sliding blocks on the telescopic column (8) partially extend into sliding grooves formed in the inner wall of a cylindrical groove of the control cylinder (6), one end of the telescopic column (8) extends into a plate-shaped groove of the control cylinder (6), and the end part of the telescopic column (8) is in contact with the color sheet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925592.3A CN112038016B (en) | 2020-09-07 | 2020-09-07 | Ceramic insulator for extra-high voltage power transmission for connecting thick cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925592.3A CN112038016B (en) | 2020-09-07 | 2020-09-07 | Ceramic insulator for extra-high voltage power transmission for connecting thick cable |
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| Publication Number | Publication Date |
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| CN112038016A CN112038016A (en) | 2020-12-04 |
| CN112038016B true CN112038016B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010925592.3A Active CN112038016B (en) | 2020-09-07 | 2020-09-07 | Ceramic insulator for extra-high voltage power transmission for connecting thick cable |
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| AU4583879A (en) * | 1978-04-06 | 1979-10-11 | Dragerwerk Aktiengesellschaft | Indicating the presence in a fluid of one or more predetermined substance |
| CN201093391Y (en) * | 2007-09-12 | 2008-07-30 | 和建东企业有限公司 | Aeration illuminating bar structure |
| CN203747346U (en) * | 2014-03-12 | 2014-07-30 | 河北省电力建设调整试验所 | Apparatus for accurately controlling pulling force of inclined pulling line |
| CN108782309A (en) * | 2018-05-22 | 2018-11-13 | 张然 | A kind of Pet neck ring with warning function |
| CN109087759A (en) * | 2018-08-27 | 2018-12-25 | 芜湖智骏企业管理有限公司 | A kind of anti-thunder insulator with referential function |
| CN209766136U (en) * | 2019-07-10 | 2019-12-10 | 平顶山市绝缘制品股份有限公司 | composite suspension insulator |
| CN111360600A (en) * | 2020-03-25 | 2020-07-03 | 新昌县麒龙机械科技有限公司 | Multi-shaft operation type grinding platform used in bearing ring bar blanking process |
| CN111547584A (en) * | 2020-06-22 | 2020-08-18 | 王舒文 | Electric power iron tower tractive device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0400821B1 (en) * | 2004-02-11 | 2012-10-02 | automatic emergency action pneumatic pressure compensation device. |
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2020
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4583879A (en) * | 1978-04-06 | 1979-10-11 | Dragerwerk Aktiengesellschaft | Indicating the presence in a fluid of one or more predetermined substance |
| CN201093391Y (en) * | 2007-09-12 | 2008-07-30 | 和建东企业有限公司 | Aeration illuminating bar structure |
| CN203747346U (en) * | 2014-03-12 | 2014-07-30 | 河北省电力建设调整试验所 | Apparatus for accurately controlling pulling force of inclined pulling line |
| CN108782309A (en) * | 2018-05-22 | 2018-11-13 | 张然 | A kind of Pet neck ring with warning function |
| CN109087759A (en) * | 2018-08-27 | 2018-12-25 | 芜湖智骏企业管理有限公司 | A kind of anti-thunder insulator with referential function |
| CN209766136U (en) * | 2019-07-10 | 2019-12-10 | 平顶山市绝缘制品股份有限公司 | composite suspension insulator |
| CN111360600A (en) * | 2020-03-25 | 2020-07-03 | 新昌县麒龙机械科技有限公司 | Multi-shaft operation type grinding platform used in bearing ring bar blanking process |
| CN111547584A (en) * | 2020-06-22 | 2020-08-18 | 王舒文 | Electric power iron tower tractive device |
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| Publication number | Publication date |
|---|---|
| CN112038016A (en) | 2020-12-04 |
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Denomination of invention: A ceramic insulator for connecting thick cables for ultra-high voltage transmission Effective date of registration: 20231108 Granted publication date: 20220506 Pledgee: Pingxiang Branch of China Postal Savings Bank Co.,Ltd. Pledgor: PINGXIANG BEST ELECTRIC CO.,LTD. Registration number: Y2023980064742 |
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