CN109036739A - A kind of fixed structure of porcelain insulator - Google Patents
A kind of fixed structure of porcelain insulator Download PDFInfo
- Publication number
- CN109036739A CN109036739A CN201810884221.8A CN201810884221A CN109036739A CN 109036739 A CN109036739 A CN 109036739A CN 201810884221 A CN201810884221 A CN 201810884221A CN 109036739 A CN109036739 A CN 109036739A
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- China
- Prior art keywords
- fixed
- fixedly connected
- porcelain insulator
- plate
- case
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- 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.)
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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
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a kind of fixed structures of porcelain insulator, including support plate and fixed case, the inside of the support plate offers fixing groove, and the two sides of fixing groove offer card slot, fixed plate is fixedly connected between the two sides of the fixed chamber interior wall, and the bottom of fixed plate is fixedly connected with the first sliding rail, and the two sides of first sliding rail outer surface slidably connect the first sliding block, and the present invention relates to porcelain insulator technical fields.The fixed structure of the porcelain insulator, it can be convenient and quickly porcelain insulator is disassembled and installed, avoiding existing porcelain insulator in use is all that installation is fixed by the screw thread, screw or other fixing pieces opened up thereon, the time-consuming and laborious situation of installation and removal process, the burden for alleviating staff, reduces working strength, has saved the time, the working efficiency for improving staff, is repaired or replaced porcelain insulator convenient for staff.
Description
Technical field
The present invention relates to porcelain insulator technical field, specially a kind of fixed structure of porcelain insulator.
Background technique
Insulator is mounted in the device between the conductor of different potentials or between conductor and ground potential component, is resistant to
Voltage and mechanical stress effect.Insulator is applied very extensively in the power system, typically belongs to external insulation, in atmospheric conditions work
Make.The external energized conductor of overhead transmission line, power plant and the bus of electric substation and various electrical equipments must use insulator
It supports, and is allowed to and the earth (or ground connection object) or other conductor insulations for having potential difference.Insulator is chiefly used in electric pole between one's early years,
The one end for being slowly developed in high type high-tension bus-bar connection tower has hung the insulator of many plate-likes, it is to increase creepage distance
's.
Insulator is usually made of glass or ceramics, and insulator should not be changed and be led due to environment and electric load condition
The various electromechanical stress that cause and fail, otherwise insulator would not generate great effect, will damage the use of whole route
And service life.
The use of porcelain insulator is very universal, it has highly important effect, but existing porcelain insulator was using
It is all that installation is fixed by the screw thread, screw or other fixing pieces opened up thereon in journey, it can not be easily and fast to porcelain
Insulator is disassembled and installed, and installation and removal process is time-consuming and laborious, increases the burden of staff, it is strong to improve work
Degree, wastes the time, reduces the working efficiency of staff, is not easy to staff and repairs to porcelain insulator or more
It changes.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of fixed structures of porcelain insulator, solve existing porcelain
Insulator is all that installation is fixed by the screw thread, screw or other fixing pieces opened up thereon in use, installation
With disassembly process the problem of time-consuming and laborious situation.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of fixed structure of porcelain insulator,
Including support plate and fixed case, the inside of the support plate offers fixing groove, and the two sides of fixing groove offer card slot,
Fixed plate is fixedly connected between the two sides of the fixed chamber interior wall, and the bottom of fixed plate is fixedly connected with the first sliding rail,
The two sides of first sliding rail outer surface slidably connect the first sliding block, and the bottom of first sliding block is fixedly connected with perpendicular
Plate, and it is fixedly connected with the first elastic component between the opposite side of two risers, the other side of the riser is fixedly connected with
Cross bar, the cross bar runs through fixed case far from one end of riser and extends to the outside of fixed case, and cross bar extends to fixation
One end outside case is fixedly connected with movable block, the side of the riser and bottom for being located at cross bar is fixedly connected with fixture block, institute
Side of the fixture block far from riser is stated through fixed case and extends to the outside of fixed case, the two sides of the fixed case are fixedly connected with
There is steadying plate, and the front of two steadying plates is rotatably connected to rotor plate, the rotor plate side opposite with fixed case
Between be fixedly connected with the second elastic component, and the bottom of the rotor plate other side is in contact with the side of movable block.
Preferably, the two sides at the top of the support plate are fixedly connected to connecting plate, and the top of support plate and are located at
The side of connecting plate is fixedly connected with the second sliding rail.
Preferably, the outer surface of second sliding rail slidably connects the second sliding block, and the second sliding block and connecting plate phase
Pair side between be fixedly connected with third elastic component, be fixedly connected with movable plate at the top of second sliding block.
Preferably, the two sides of the fixed case and be located at steadying plate at the top of be fixedly connected to stable case, the stabilization
The top and bottom of chamber interior wall is fixedly connected to slippery fellow, and the side of the stable case offers rectangular opening.
Preferably, the side of the movable plate is rotatably connected to rotation axis by bearing, and the rotation axis is far from movable plate
One end run through and stablize case and extend to the inside of stable case, one end that the rotation axis extends to inside stable case is fixedly connected
There is rotating block.
Preferably, the front and back of the rotating block offers translot, and the outer surface of rotating block offers ring
Shape slot.
Preferably, the other end of the rotation axis runs through movable plate and extends to the side of movable plate, and the rotation axis is prolonged
The one end for extending to movable plate side is fixedly connected with handle.
Preferably, the positive top of the fixed case is provided with porcelain insulator ontology, and the top of two card slot inner walls
Elastic cushion is fixedly connected to bottom.
Beneficial effect
The present invention provides a kind of fixed structures of porcelain insulator.Have it is following the utility model has the advantages that
(1), the fixed structure of the porcelain insulator carries out rotor plate by first pulling to fixed case two sides two movable blocks
Then rotation pushes two movable block relative motions, drive riser and the first sliding block relative motion, and fixture block is driven to take off from card slot
From then swing handle drives rotation axis rotation, drives rotating block rotation, when two slippery fellows are in inside two translots, stops
Rotation stop is dynamic, and two the second sliding blocks are pushed to two sides, the second sliding block and movable plate is driven to move to two sides, drive rotating block movement
To stablizing outside case, fixed case and porcelain insulator ontology can be dismantled at this time, be can be convenient in this way by no longer progress clamping
Quickly porcelain insulator is disassembled and installed, avoiding existing porcelain insulator in use is all by opening thereon
If screw thread, screw or other fixing pieces be fixed installation, the time-consuming and laborious situation of installation and removal process alleviates work
The burden for making personnel, reduces working strength, has saved the time, improves the working efficiency of staff, is convenient for staff
Porcelain insulator is repaired or replaced.
(2), the fixed structure of the porcelain insulator drives the rotation of rotating block, works as rotation by rotating to rotation axis
When translot and slippery fellow on block are in plumbness, slippery fellow can carry out clamping to rotating block by annular groove, thus to stabilization
Case, fixed case and porcelain insulator ontology are fixed, and porcelain insulator can in this way installed more stable, preferably ensure that
The use of porcelain insulator.
(3), the fixed structure of the porcelain insulator is in contact with movable block by rotor plate, passes through the bullet of the second elastic component
Power effect can play the role of abutting to movable block, reduce movable block because a possibility that mobile, drop occur for external object strike
A possibility that low-calorie block is mobile, preferably ensure that the clamping of fixture block and card slot, improve the stability of porcelain insulator installation.
(4), the fixed structure of the porcelain insulator is fixedly connected to elastic cushion by the top and bottom of translot inner wall,
The frictional force between fixture block can be increased by elastic cushion, clamping of the fixture block in card slot can be made stronger, reduced
A possibility that fixture block is detached from from card slot preferably ensure that the clamping of fixture block and card slot.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cross-sectional view of structure of the invention；
Fig. 3 is the partial enlarged view in Fig. 2 of the present invention at A；
Fig. 4 is the partial enlarged view in Fig. 2 of the present invention at B.
In figure: 1 support plate, 2 fixed cases, 3 fixing grooves, 4 card slots, 5 fixed plates, 6 first sliding rails, 7 first sliding blocks, 8 risers,
9 first elastic components, 10 cross bars, 11 movable blocks, 12 fixture blocks, 13 steadying plates, 14 rotor plates, 15 second elastic components, 16 connecting plates, 17
Case, 22 slippery fellows, 23 rectangular openings, 24 bearings, 25 are stablized in second sliding rail, 18 second sliding blocks, 19 third elastic components, 20 movable plates, 21
Rotation axis, 26 rotating blocks, 27 translots, 28 annular grooves, 29 handles, 30 porcelain insulator ontologies, 31 elastic cushions.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of fixed structure of porcelain insulator, including support plate 1
With fixed case 2, support plate 1 is fixedly connected with overhead transmission line, and the positive top of fixed case 2 is provided with porcelain insulator ontology
30, and the top and bottom of two 4 inner walls of card slot is fixedly connected to elastic cushion 31, can increase and block by elastic cushion 31
Frictional force between block 12 can make clamping of the fixture block 12 in card slot 4 stronger, reduce fixture block 12 and take off from card slot 4
From a possibility that, preferably ensure that the clamping of fixture block 12 Yu card slot 4, the two sides of fixed case 2 and the top for being located at steadying plate 13
It is fixedly connected to stable case 21, the top and bottom for stablizing 21 inner wall of case is fixedly connected to slippery fellow 22, slippery fellow 22 and annular
Slot 28 and translot 27 are adapted, and the side for stablizing case 21 offers rectangular opening 23, and rectangular opening 23 is adapted with rotating block 26, branch
The two sides at the top of fagging 1 are fixedly connected to connecting plate 16, and the top of support plate 1 and are located at the side of connecting plate 16 and fix
Be connected with the second sliding rail 17, the outer surface of the second sliding rail 17 slidably connects the second sliding block 18, and the second sliding block 18 with connect
Third elastic component 19 is fixedly connected between the opposite side of plate 16, the top of the second sliding block 18 is fixedly connected with movable plate 20,
The side of movable plate 20 is rotatably connected to rotation axis 25 by bearing 24, by rotating to rotation axis 25, drives rotating block
26 rotation, when the translot 27 on rotating block 26 is in plumbness with slippery fellow 22, slippery fellow 22 can be right by annular groove 28
Rotating block 26 carries out clamping can make porcelain to be fixed to case 21, fixed case 2 and porcelain insulator ontology 30 is stablized in this way
Insulator is installed more stable, preferably ensure that the use of porcelain insulator, and the other end of rotation axis 25 runs through movable plate 20
And the side of movable plate 20 is extended to, one end that rotation axis 25 extends to 20 side of movable plate is fixedly connected with handle 29, rotation
Axis 25 runs through the inside stablized case 21 and extend to stable case 21 far from one end of movable plate 20, and rotation axis 25 extends to stable case
One end inside 21 is fixedly connected with rotating block 26, and the shape of rotating block 26 is cylinder, and the front and back of rotating block 26 is equal
Translot 27 being offered, and the outer surface of rotating block 26 offers annular groove 28, the inside of support plate 1 offers fixing groove 3, and
And the two sides of fixing groove 3 offer card slot 4, fixed plate 5 are fixedly connected between the two sides of 2 inner wall of fixed case, and fixed
The bottom of plate 5 is fixedly connected with the first sliding rail 6, and the two sides of 6 outer surface of the first sliding rail slidably connect the first sliding block 7, and first
The bottom of sliding block 7 is fixedly connected with riser 8, and is fixedly connected with the first elastic component 9 between the opposite side of two risers 8,
The quantity of first elastic component 9 is three, increases elastic force, preferably ensure that the clamping of fixture block 12 Yu card slot 4, riser 8 it is another
Side is fixedly connected with cross bar 10, and cross bar 10 runs through fixed case 2 far from one end of riser 8 and extends to the outside of fixed case 2, and
One end that cross bar 10 extends to outside fixed case 2 is fixedly connected with movable block 11, by the way that two movable blocks 11 are first to fixed case 2
Two sides pull, and rotate to rotor plate 14, then push two 11 relative motions of movable block, drive riser 8 and the first sliding block 7
Relative motion drives fixture block 12 to be detached from from card slot 4, and then swing handle 29 drives rotation axis 25 to rotate, and drives rotating block 26
Rotation, when two slippery fellows 22 are in two 27 inside of translot, stops operating, and two the second sliding blocks 18 is pushed to two sides, band
Dynamic second sliding block 18 and movable plate 20 are moved to two sides, and rotating block 26 is driven to move to outside stable case 21, no longer progress clamping,
Fixed case 2 and porcelain insulator ontology 30 can be dismantled at this time, can be convenient quickly porcelain insulator is torn open in this way
Unload and install, avoid existing porcelain insulator in use and be all by the screw thread that opens up thereon, screw or other
Installation is fixed in fixing piece, and the time-consuming and laborious situation of installation and removal process alleviates the burden of staff, reduces work
Make intensity, saved the time, improve the working efficiency of staff, porcelain insulator is repaired convenient for staff or more
It changes, the side of the riser 8 and bottom for being located at cross bar 10 is fixedly connected with fixture block 12, side of the fixture block 12 far from riser 8 is through solid
Determine case 2 and extend to the outside of fixed case 2, the two sides of fixed case 2 are fixedly connected to steadying plate 13, and two steadying plates 13
Front be rotatably connected to rotor plate 14, rotor plate 14 is in contact with movable block 11, passes through the elastic force of the second elastic component 15 work
With abutting can be played the role of to movable block 11, reduce movable block 11 because a possibility that mobile, drop occur for external object strike
A possibility that low-calorie block 12 is mobile, preferably ensure that the clamping of fixture block 12 Yu card slot 4, improve the stabilization of porcelain insulator installation
Property, is fixedly connected with the second elastic component 15 between rotor plate 14 and the opposite side of fixed case 2, and 14 other side of rotor plate
Bottom is in contact with the side of movable block 11.
In use, being rotated to rotor plate 14, then by first being pulled to 2 two sides of fixed case two movable blocks 11
Two 11 relative motions of movable block are pushed, riser 8 and 7 relative motion of the first sliding block are driven, fixture block 12 is driven to take off from card slot 4
From then swing handle 29 drives rotation axis 25 to rotate, and drives rotating block 26 to rotate, when two slippery fellows 22 are in two translots 27
It when internal, stops operating, two the second sliding blocks 18 is pushed to two sides, the second sliding block 18 and movable plate 20 is driven to transport to two sides
It is dynamic, it is moved to outside stable case 21 by mobile drive rotating block 26 of two slippery fellows 22 inside two translots 27, it is no longer right
Rotating block 26 carry out clamping, fixed case 2 and porcelain insulator ontology 30 can be dismantled at this time, when need to porcelain insulator into
When row installation, two movable blocks 11 are first pulled to 2 two sides of fixed case, rotor plate 14 is rotated, then pushes two shiftings
11 relative motion of motion block drives riser 8 and 7 relative motion of the first sliding block, drives fixture block 12 to being moved inside fixed case 2,
Then push two the second sliding blocks 18 to two sides, movable plate 20 and rotating block 26 is driven to move to two sides, fixed case 2 is put into solid
Determine in slot 3, when 1 bottom of fixed case is contacted with 3 bottom of fixing groove, unclamps movable block 11, two risers 8 are in the first elastic component 9
Elastic force effect under move to two sides, drive fixture block 12 and card slot 4 to carry out clamping, complete the installation to porcelain insulator, then pine
Open the second sliding block 18, the second sliding block 18 drives rotating block 26 to stablizing inside case 21 under the elastic force effect of third elastic component 19
It moves, in motion process, translot 27 can be moved along slippery fellow 22, when slippery fellow 22 is located at 28 inside of annular groove, pass through handle
Hand 29 rotates rotation axis 25, and rotating block 26 is driven to be rotated, and carries out clamping to rotating block 26 by slippery fellow 22 and annular groove 28,
To be fixed to case 21, fixed case 2 and porcelain insulator ontology 30 is stablized, porcelain insulator can in this way installed more steady
It is fixed, it preferably ensure that the use of porcelain insulator, can be convenient quickly porcelain insulator is disassembled and installed in this way, avoid
Existing porcelain insulator is all be fixed by the screw thread, screw or other fixing pieces opened up thereon in use
Installation, the time-consuming and laborious situation of installation and removal process, alleviates the burden of staff, reduces working strength, saves
Time improves the working efficiency of staff, porcelain insulator is repaired or replaced convenient for staff.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of fixed structure of porcelain insulator, including support plate (1) and fixed case (2), it is characterised in that: the support plate
(1) inside offers fixing groove (3), and the two sides of fixing groove (3) offer card slot (4), fixed case (2) inner wall
Two sides between be fixedly connected with fixed plate (5), and the bottom of fixed plate (5) is fixedly connected with the first sliding rail (6), described
The two sides of one sliding rail (6) outer surface slidably connect the first sliding block (7), and the bottom of first sliding block (7) is fixedly connected with
Riser (8), and being fixedly connected with the first elastic component (9) between the opposite side of two risers (8), the riser (8) it is another
Side is fixedly connected with cross bar (10), and the one end of the cross bar (10) far from riser (8) is through fixed case (2) and extends to fixation
The outside of case (2), and cross bar (10) extends to the external one end of fixed case (2) and is fixedly connected with movable block (11), it is described perpendicular
The side of plate (8) and be located at cross bar (10) bottom be fixedly connected with fixture block (12), the fixture block (12) far from riser (8) one
Side runs through fixed case (2) and extends to the outside of fixed case (2), and the two sides of the fixed case (2) are fixedly connected to steadying plate
(13), and the front of two steadying plates (13) is rotatably connected to rotor plate (14), the rotor plate (14) and fixed case (2)
It is fixedly connected between opposite side the second elastic component (15), and the bottom of rotor plate (14) other side and movable block (11)
Side be in contact.
2. a kind of fixed structure of porcelain insulator according to claim 1, it is characterised in that: at the top of the support plate (1)
Two sides be fixedly connected to connecting plate (16), and the top of support plate (1) and be located at the side of connecting plate (16) and fixed connect
It is connected to the second sliding rail (17).
3. a kind of fixed structure of porcelain insulator according to claim 2, it is characterised in that: second sliding rail (17)
Outer surface slidably connects the second sliding block (18), and fixed between the second sliding block (18) and the opposite side of connecting plate (16) connects
It is connected to third elastic component (19), is fixedly connected with movable plate (20) at the top of second sliding block (18).
4. a kind of fixed structure of porcelain insulator according to claim 1, it is characterised in that: the two of the fixed case (2)
Side and be located at steadying plate (13) at the top of be fixedly connected to stable case (21), the top and bottom of stable case (21) inner wall
Foxy (22) are fixedly connected to, the side of the stable case (21) offers rectangular opening (23).
5. a kind of fixed structure of porcelain insulator according to claim 3, it is characterised in that: the one of the movable plate (20)
Side is rotatably connected to rotation axis (25) by bearing (24), and the one end of the rotation axis (25) far from movable plate (20) is through stabilization
Case (21) and the inside for extending to stable case (21), the rotation axis (25) extend to the fixed company in the internal one end of stable case (21)
It is connected to rotating block (26).
6. a kind of fixed structure of porcelain insulator according to claim 5, it is characterised in that: the rotating block (26) is just
Face and the back side offer translot (27), and the outer surface of rotating block (26) offers annular groove (28).
7. a kind of fixed structure of porcelain insulator according to claim 5, it is characterised in that: the rotation axis (25) it is another
One end runs through movable plate (20) and extends to the side of movable plate (20), and the rotation axis (25) extends to movable plate (20) side
One end be fixedly connected with handle (29).
8. a kind of fixed structure of porcelain insulator according to claim 1, it is characterised in that: fixed case (2) front
Top be provided with porcelain insulator ontology (30), and the top and bottom of two card slot (4) inner walls be fixedly connected with it is flexible
It pads (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884221.8A CN109036739A (en) | 2018-08-06 | 2018-08-06 | A kind of fixed structure of porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884221.8A CN109036739A (en) | 2018-08-06 | 2018-08-06 | A kind of fixed structure of porcelain insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109036739A true CN109036739A (en) | 2018-12-18 |
Family
ID=64649680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810884221.8A Pending CN109036739A (en) | 2018-08-06 | 2018-08-06 | A kind of fixed structure of porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109036739A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117066A (en) * | 2020-10-12 | 2020-12-22 | 萍乡市神州电瓷厂 | Be used for putting base device when porcelain insulator uses |
| CN114582573A (en) * | 2022-03-02 | 2022-06-03 | 萍乡市新田电瓷制造有限公司 | High-voltage line column type porcelain insulator and manufacturing method thereof |
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| CN105304231A (en) * | 2015-11-13 | 2016-02-03 | 周海兵 | Composite insulator |
| CN107768047A (en) * | 2017-10-20 | 2018-03-06 | 欧阳慧玲 | A kind of good insulator of stability |
| CN207529738U (en) * | 2017-12-04 | 2018-06-22 | 武汉莱恩输变电设备股份有限公司 | Composite insulator stick core and end part installation part compression bonding apparatus |
| CN207624462U (en) * | 2017-12-07 | 2018-07-17 | 江西省萍乡市伏特电瓷制造有限公司 | A kind of high-tension line pull-rod porcelain insulator |
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- 2018-08-06 CN CN201810884221.8A patent/CN109036739A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304231A (en) * | 2015-11-13 | 2016-02-03 | 周海兵 | Composite insulator |
| CN107768047A (en) * | 2017-10-20 | 2018-03-06 | 欧阳慧玲 | A kind of good insulator of stability |
| CN207529738U (en) * | 2017-12-04 | 2018-06-22 | 武汉莱恩输变电设备股份有限公司 | Composite insulator stick core and end part installation part compression bonding apparatus |
| CN207624462U (en) * | 2017-12-07 | 2018-07-17 | 江西省萍乡市伏特电瓷制造有限公司 | A kind of high-tension line pull-rod porcelain insulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117066A (en) * | 2020-10-12 | 2020-12-22 | 萍乡市神州电瓷厂 | Be used for putting base device when porcelain insulator uses |
| CN114582573A (en) * | 2022-03-02 | 2022-06-03 | 萍乡市新田电瓷制造有限公司 | High-voltage line column type porcelain insulator and manufacturing method thereof |
| CN114582573B (en) * | 2022-03-02 | 2024-03-15 | 萍乡市新田电瓷制造有限公司 | Column porcelain insulator for high-voltage line and manufacturing method thereof |
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Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |