CN107887865B - A kind of New type through-wall sleeve component - Google Patents
A kind of New type through-wall sleeve component Download PDFInfo
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- CN107887865B CN107887865B CN201710868854.5A CN201710868854A CN107887865B CN 107887865 B CN107887865 B CN 107887865B CN 201710868854 A CN201710868854 A CN 201710868854A CN 107887865 B CN107887865 B CN 107887865B
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- conducting rod
- stop structure
- connecting rod
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims abstract description 14
- 238000009987 spinning Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 241000469816 Varus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to a kind of New type through-wall sleeve components, and the pretension to solve the problems, such as the elastic supporting member for supporting optical member being subject in the prior art due to conducting rod is excessive and causes to be easily damaged.Wall bushing component includes being pierced by the Stop structure and the elastic supporting member for supporting optical member being resiliently supported between Stop structure and fixed structure that section is fixedly connected with conducting rod, wall bushing component includes the regulating part being adjustably set on one in Stop structure and fixed structure, regulating part adjusts the pretension that the Stop structure is subject to by following one way in which: 1) another in Stop structure and fixed structure flexibly supports between regulating part spring, and the acting force of the spring that Stop structure is subject to is opposite with the elastic supporting member for supporting optical member force direction that Stop structure is subject to；2) transition plates being connected with the regulating part is equipped between Stop structure and fixed structure, one in the two is above adjustable to be equipped with the regulating part, another is disposed with the elastic supporting member for supporting optical member with flexibly supporting between transition plates.
Description
Technical field
The present invention relates to a kind of New type through-wall sleeve components.
Background technique
Extra-high voltage direct-current transmission is the best-of-breed technology solution of the extensive long-distance sand transport of the electric power such as new energy, is to push
The important force of low-carbon strategic emerging industries development.In the coming years, the ultrahigh voltage direct current wall bushing market demand can be significantly
It is promoted.The preceding China of the year two thousand twenty is estimated will to build 23 extra-high voltage direct-current engineerings, and market prospects are boundless.Extra-high voltage direct-current SF6
Gas wall bushing has structure relatively easy, the relatively light advantage of weight, will be that ultrahigh voltage direct current wall bushing will be sent out from now on
The main flow direction of exhibition.Extra-high voltage SF6Gas wall bushing is with center conductive pole length generally all at 25 meters or so, and centre is without branch
It is deformed seriously in the case where support, under extra-high voltage, field strength distribution is extremely difficult to perfect condition.If centre uses support insulator branch
Support, although energy Reducing distortion, support insulator is not all allowed for the various aspects such as design, manufacture, installation, insulating reliability
It easily solves, can seriously reduce the reliability of product.In addition overlength conducting rod expands with heat and contract with cold under temperature variations, stroke
Greatly, it not can guarantee according to the reliability in the case of slide construction long-play.
Data of publication of application is on December 2nd, 2015, the application for a patent for invention that application publication number is CN105119217A
A kind of high-voltage wall bushing is disclosed, as shown in Figure 1, high-voltage wall bushing includes with the accommodating chamber for housing insulation medium
Casing 101, be arranged in casing 101 end face connecting flange 103 and with casing 101 be coaxially disposed conducting rod 102, it is described
Conducting rod 102 is electric conductor.The center of connecting flange 103 is equipped with the conducting rod passed through for conducting rod 102 and perforates, conducting rod 102
Slide through the conducting rod perforate and extend casing 101 formed conducting rod be pierced by section, the high-voltage wall bushing further includes
The stretching device of the outside of casing 101 connecting with the conducting rod 102 is set, and the stretching device includes wearing with conducting rod
The stop catch plate 106 of the end connection of section and the spring being resiliently supported between the stop catch plate 106 and the connecting flange 103 out
105, spring 105 is set in that the conducting rod is pierced by section and its elastic force through stop catch plate 106 acts on conducting rod 102, stretches dress
Under caused by the axial pulling force applied to conducting rod 102 is set to overcome conducting rod 102 in non-perpendicular installation because of self gravity
The problem of hanging down, allows conducting rod 102 to be maintained at linear state as far as possible in non-perpendicular installation.Using high-voltage wall bushing
When, dielectric such as SF is filled in Xiang Suoshu accommodating chamber6Or transformer oil is to play radial insulating effect.High pressure set through walls
Guan Zhong, connecting flange 103 are sealed in box face as fixed structure, and stop catch plate is pierced by section as Stop structure and conducting rod
It is fixedly linked, spring flexibly supports between fixed structure and Stop structure as elastic supporting member for supporting optical member.
In above-mentioned high-voltage wall bushing, active force suffered by conductive boom end is by elastic supporting member for supporting optical member such as springs through block
Plate applies it, and elastic supporting member for supporting optical member is gradually discharged by compressive state, is straightened until by conducting rod.In use, if elasticity branch
The elasticity modulus of support member is larger, and the burst size of elastic supporting member for supporting optical member can not be adjusted, when conducting rod has been in the position being straightened
When setting, the decrement of elastic supporting member for supporting optical member is not completely released or decrement still maintains very big, can be applied to conducting rod and be continued
Pretension and cause to be easily damaged conducting rod.
Summary of the invention
The purpose of the present invention is to provide a kind of New type through-wall sleeve component, with solve in the prior art due to conducting rod by
To elastic supporting member for supporting optical member pretension it is excessive and lead to the problem of being easily damaged.
To achieve the above object, the technical solution of New type through-wall sleeve component of the present invention is:
Scheme one: New type through-wall sleeve component includes casing, the fixed structure for being sealed on cannula tip and coaxial with casing
There is the conducting rod being pierced by from the perforation of the conducting rod of fixed structure to be pierced by section, set through walls for the conducting rod of setting, the conducting rod
Tube assembly further include with conducting rod be pierced by Stop structure that section is fixedly connected and be resiliently supported at Stop structure and fixed structure it
Between elastic supporting member for supporting optical member, wall bushing component includes adjustably being set in Stop structure and fixed structure along conducting rod axial position
One on regulating part, regulating part adjusts the pretension that the Stop structure is subject to by following one way in which: 1) keeping off
Only one in structure and fixed structure is above adjustable is equipped with the regulating part, another is flexibly supported between regulating part has
Spring, the acting force of the spring that Stop structure is subject to are opposite with the elastic supporting member for supporting optical member force direction that Stop structure is subject to；2) block
The transition plates being connected with the regulating part is equipped between structure and fixed structure, one in the two goes up described in adjustable be equipped with
Regulating part, another is disposed with the elastic supporting member for supporting optical member with flexibly supporting between transition plates.
The beneficial effects of the present invention are: wall bushing component provided by the invention includes casing, is sealed on cannula tip
Fixed structure and the conducting rod being coaxially disposed with casing, conducting rod have the conduction being pierced by from the perforation of the conducting rod of fixed structure
Bar is pierced by section, and wall bushing component further includes that the Stop structure and be resiliently supported at block knot that section is fixedly linked are pierced by with conducting rod
Elastic supporting member for supporting optical member between structure and fixed structure is equipped with regulating part in one of them of Stop structure and fixed structure, adjusts
Part adjusts pretension described in Stop structure by one way in which, and then can reduce pretension suffered by conducting rod.
One way in which is that spring is arranged between another of Stop structure and fixed structure and regulating part, and spring is to Stop structure
The active force that the active force and elastic supporting member for supporting optical member of application apply Stop structure is on the contrary, can reduce the prestretching that conducting rod is subject to
Power.It, being capable of the effect that can be generated of adjustment spring by changing the position of regulating part after conducting rod keeps the position that is straightened
Power can finally adjust the pretension that conducting rod is subject to；Another way is that transition plates is arranged therebetween, transition plates and tune
It saves part to be connected, one of the two is upper to be arranged regulating part, and elastic supporting member for supporting optical member is arranged in another between transition plates, is drawn in conducting rod
When directly holding position is constant, by changing the position of regulating part, change the decrement of elastic supporting member for supporting optical member, and then change resilient support
Pretension of the part to conducting rod.By above-mentioned two methods, it can reduce the effect of pretension suffered by conducting rod, prevent conduction
Bar, which is drawn, to be damaged.Meanwhile when conducting rod expands with heat and contract with cold elastic supporting member for supporting optical member and/or spring also can be absorbed conducting rod heat expansion it is cold
Compression deformation amount.
Scheme two: on the basis of scheme one, regulating part includes adjustably being set to Stop structure along conducting rod axial position
On connecting rod, screw thread is installed with the adjusting nut with the cooperation of Stop structure block, bullet between regulating part and fixed structure on connecting rod
Property be supported by the spring.
Scheme three: on the basis of scheme two, the elastic supporting member for supporting optical member is bellows；Spring is that one end presses against the company
On bar, the other end to the fixed structure apply elastic acting force pressure spring, pressure spring by the connecting rod to Stop structure apply
Elastic acting force it is opposite with the force direction that the bellows applies to Stop structure.
Scheme four: on the basis of scheme three, fixed structure includes the connector sleeve of inserting corresponding with the connecting rod, the company
Be located at one end in connector sleeve in bar and be equipped with and turns edge outside, be correspondingly arranged on turn edge on connector sleeve, the pressure spring flexibly support in
It is inside and outside turn edge between.
Scheme five: on the basis of scheme one, elastic supporting member for supporting optical member is bellows, and the axial ends of bellows has been wholely set
First flange and second flange, fixed structure include the connecting flange being connected with first flange for being sealed on cannula tip, block
Structure includes the stop catch plate being connected with second flange for being fixed on conducting rod and being pierced by section.
Bellows, first flange and second flange are wholely set, on the one hand, facilitate bellows and connecting flange, block
The fixed installation of plate；On the other hand, the sub-assembly of bellows, first flange and second flange may be mounted at different sets through walls
The adjusting of corresponding wall bushing pretension is carried out on pipe.
Scheme six: on the basis of scheme five, regulating part includes adjustably being set to second flange along conducting rod axial position
On connecting rod, screw thread is installed with the adjusting nut with the cooperation of second flange block, bullet between regulating part and first flange on connecting rod
Property be supported by the spring.
Scheme seven: on the basis of scheme six, spring is that one end presses against on the connecting rod, the other end is to first method
Orchid applies the pressure spring of elastic acting force, the elastic acting force and the bellows that pressure spring is applied by the connecting rod to second flange
The force direction applied to second flange is opposite.
Inside, pressure spring is set between turning edge outside, and pressure spring, which has, facilitates installation, the more stable feature of performance.
Scheme eight: on the basis of scheme seven, first flange is equipped with the connector sleeve of inserting corresponding with the connecting rod, described
It is located at one end in connector sleeve in connecting rod equipped with turning edge outside, turn edge, the pressure spring resilient support is correspondingly arranged on connector sleeve
Between inside and outside turn edge.
Scheme nine: on the basis of scheme five, the stop catch plate is to be pierced by the conduct piece that section conduction is connected with conducting rod, is kept off
Only the side backwards to casing of plate is equipped with terminal plate.
Scheme ten: in scheme two, scheme three, scheme four, scheme six, scheme seven, scheme eight any one on the basis of,
Regulating part further includes spinning in the fastening nut for clamping Stop structure together with the adjusting nut on connecting rod.
Detailed description of the invention
Fig. 1 is the schematic diagram of wall bushing in the prior art；
Fig. 2 is the schematic diagram of New type through-wall sleeve assembly embodiment one of the present invention；
Fig. 3 is the enlarged drawing of New type through-wall sleeve assembly embodiment one end in Fig. 2；
Fig. 4 is connecting rod and the schematic diagram at tension spring in New type through-wall sleeve assembly embodiment two of the present invention；
Fig. 5 is the schematic diagram of four end of New type through-wall sleeve assembly embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment one of New type through-wall sleeve component of the invention, as shown in Figure 2 to Figure 3, wall bushing component packet
Middle cylinder 1 and the insulating sleeve 2 positioned at 1 axial ends of middle cylinder are included, middle cylinder 1 and insulating sleeve 2 collectively constitute
Casing, casing is interior to be had and hollow conducting rod 3 can be equipped in accommodating chamber, in casing with the accommodating chamber of housing insulation medium
Sealing is fixedly installed with connecting flange 4 at both ends open, offers conducting rod perforation on connecting flange 4, one end of conducting rod 3 by
It is pierced by conducting rod perforation on connecting flange 4, the part being pierced by forms conducting rod and is pierced by section.
Wall bushing component further includes the stretching device on connecting flange, and stretching device includes flat with connecting flange 4
The stop catch plate 6 of row interval arrangement and the bellows component 5 being resiliently supported between stop catch plate 6 and connecting flange 4, bellows group
Part 5 includes bellows 51, and 51 axial ends of bellows has been wholely set first flange 52 and second flange 53, first flange 52 with
Connecting flange 4 and casing stack and are bolted connected, and second flange 53 is fixedly linked with stop catch plate 6.Stretching device is also
At least two adjustment structures including connecting first flange 52 and second flange 53, adjustment structure include being fixed on first flange 52
On connector sleeve 7 and in second flange 53 with connector sleeve 7 inserting cooperation connecting rod 8, the left end of connecting rod 8 is located at connector sleeve
In 7, the left end end of connecting rod 8, which is equipped with, to turn edge (be not drawn into figure) outside, and varus corresponding with turning edge outside is provided in connector sleeve 7
Edge, it is inside and outside turn edge between resilient support have pressure spring 9, when pressure spring 9 is compressed, active force to the left can be generated to connecting rod 8.
The right end of connecting rod 8 runs through second flange 53, is installed with adjusting nut on the part for being located at 53 right side of second flange of connecting rod 8
11, rotation has fastening nut 10 on the part in 53 left side of second flange.It can be incited somebody to action by adjusting nut 11 and fastening nut 10
Second flange 53 is fixed on connecting rod 8.In use, pressure spring 9 is in the state pressed after conducting rod is straightened, it is tight by unclamping
Gu nut 10, and rotate adjusting nut 11 and can change the decrement of pressure spring 9, it adjusts suffered by second flange 53 and stop catch plate 6
Amount of force to the left.When conducting rod 3 expands with heat and contract with cold, bellows 51 is able to drive the movement that left and right directions occurs for connecting rod,
So that the decrement of pressure spring 9 is changed, absorbs the deflection that expands with heat and contract with cold of conducting rod 3.
Conductive connection plates 12 are fixed on the end that conducting rod is pierced by section, conductive connection plates 12 are bonded simultaneously with stop catch plate 6
Realize that fastening is connected by bolt, in the present embodiment, stop catch plate 6 is conductive structure, on the side backwards to casing of stop catch plate 6
Equipped with conductive flange 13, conductive flange 13 is equipped with terminal plate 14, and terminal plate 14 is made to be connected with 3 conduction of conducting rod.
When assembly, compress bellows 51, second flange 53 is adjacent to fastening nut 10, and connecting rod is moved towards the direction of connector sleeve 7
The dynamic decrement for making pressure spring 9 reduces even in the state not being pressurized.After the assembly is completed to conducting rod 3, it gradually unclamps and adjusts spiral shell
Mother 11, makes second flange 53 move right and connecting rod 8 is driven to move right, compression press spring 9, and pressure spring 9 generates to the left connecting rod
Active force.After conducting rod is fully straightened, by rotation adjusting nut 11 adjust pressure spring 9 decrement, change conducting rod by
The active force to the left arrived.By making conducting rod by active force to the left, weakens the active force to the right that conducting rod is subject to, make
The pretension to the right that conducting rod is subject to reduces, and prevents conducting rod from being caused to be easy to be damaged by persistently biggish pretension to the right
It is bad.
It can expand with heat and contract with cold when conducting rod normal use, the variation of length occurs for conducting rod, and the deformation force of generation acts on wave
On line pipe, bellows further compression press spring or can be such that pressure spring decrement is released, and absorb the length deformation amount of conducting rod, make
Conducting rod is not easy to be damaged.
In the present embodiment, pressure spring is spring.In other embodiments, connector sleeve can be cancelled, pressure spring is directly compressed
Between second flange and connecting rod corresponding end.
In the present embodiment, bellows constitutes elastic supporting member for supporting optical member, and in other embodiments, elastic supporting member for supporting optical member can be elasticity
The spring structure being supported between fixed structure and Stop structure.
The specific embodiment two of New type through-wall sleeve component of the present invention, as shown in figure 4, the difference master with embodiment one
It is, in the present embodiment, for connecting rod 8 by passing through in second flange 53, the both ends of second flange 53 are separately installed with adjusting nut
11 and fastening nut 10, be connected between connecting rod 8 and first flange 52 by tension spring 9, tension spring 9 second flange 53 can be applied to
Left active force offsets the pretension of the part for the elastic supporting member for supporting optical member that second flange is subject to the right.In the present embodiment, tension spring is
Spring.
In the above embodiments, connecting rod, adjusting nut and fastening nut constitute regulating part.
The specific embodiment three of New type through-wall sleeve component of the present invention the difference is that, will be adjusted with above-described embodiment
It saves part to be arranged in first flange, spring is arranged between regulating part and second flange.
The specific embodiment four of New type through-wall sleeve component of the present invention, as shown in figure 5, the difference with above-described embodiment
It is, is provided with transition plates 15 between first flange 52 and second flange 53, conducting rod 3 in transition plates 15 by passes through and with
Two flanges 53 are fixedly linked.It is coated with connecting rod 8 in second flange 53, adjusting nut 11 and fastening nut are installed on connecting rod 8
10, wherein connecting rod 8 is fixedly linked with transition plates 15, and elastic supporting member for supporting optical member 9, bullet are provided between transition plates 15 and second flange 52
Property supporting element 9 be pressure spring.After conducting rod 3 is straightened, by adjusting connecting rod 8 to the right, make the compression burst size of elastic supporting member for supporting optical member 9
Increase, reduces pretension suffered by conducting rod 3.
The specific embodiment five of New type through-wall sleeve component of the present invention the difference is that, will be adjusted with example IV
Part is arranged in first flange, and elastic supporting member for supporting optical member is arranged between transition plates and second flange.
In the above embodiments, connector sleeve, first flange and connecting flange have collectively constituted fixed structure, second flange and
Stop catch plate together constitutes Stop structure.In other embodiments, first flange and second flange can be cancelled, connector sleeve is straight
It connects and is fixed on connecting flange, regulating part is mounted on stop catch plate.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still
It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention
Modification or equivalent replacement, are intended to be within the scope of the claims of the invention.
Claims (10)
1. wall bushing component including casing, is sealed on the fixed structure of cannula tip and the conducting rod with casing coaxial arrangement,
There is from the perforation of the conducting rod of fixed structure the conducting rod conducting rod that is pierced by be pierced by section, wall bushing component further include with
The elastic supporting member for supporting optical member that conducting rod is pierced by the Stop structure that section is fixedly connected and is resiliently supported between Stop structure and fixed structure,
It is characterized by: wall bushing component includes one be adjustably set in Stop structure and fixed structure along conducting rod axial position
Regulating part on a, regulating part adjust the pretension that the Stop structure is subject to by following one way in which:
1) one in Stop structure and fixed structure is above adjustable is equipped with the regulating part, another bullet between regulating part
Property is supported by spring, the elastic supporting member for supporting optical member force direction phase that the acting force of the spring that Stop structure is subject to is subject to Stop structure
Instead；
2) transition plates being connected with the regulating part is equipped between Stop structure and fixed structure, the upper adjustable peace of one in the two
Equipped with the regulating part, another is disposed with the elastic supporting member for supporting optical member with flexibly supporting between transition plates.
2. wall bushing component according to claim 1, it is characterised in that: regulating part includes can along conducting rod axial position
Ground is adjusted to be set to the connecting rod on Stop structure, screw thread is installed with the adjusting nut with the cooperation of Stop structure block, regulating part on connecting rod
Resilient support has the spring between fixed structure.
3. wall bushing component according to claim 2, it is characterised in that: the elastic supporting member for supporting optical member is bellows；Spring
Pressed against on the connecting rod for one end, the other end applies the pressure spring of elastic acting force to the fixed structure, pressure spring passes through described
The elastic acting force that connecting rod applies to Stop structure is opposite with the force direction that the bellows applies to Stop structure.
4. wall bushing component according to claim 3, it is characterised in that: fixed structure includes inserts corresponding with the connecting rod
The connector sleeve of dress, one end in connector sleeve is located in the connecting rod is equipped with and turn edge outside, turn edge is correspondingly arranged on connector sleeve, institute
Pressure spring resilient support is stated between inside and outside turn edge.
5. wall bushing component according to claim 1, it is characterised in that: elastic supporting member for supporting optical member is bellows, bellows
Axial ends has been wholely set first flange and second flange, and fixed structure includes being sealed on consolidating with first flange for cannula tip
Connecting flange even, Stop structure include the stop catch plate being connected with second flange for being fixed on conducting rod and being pierced by section.
6. wall bushing component according to claim 5, it is characterised in that: regulating part includes can along conducting rod axial position
Ground is adjusted to be set to the connecting rod in second flange, screw thread is installed with the adjusting nut with the cooperation of second flange block, regulating part on connecting rod
Resilient support has the spring between first flange.
7. wall bushing component according to claim 6, it is characterised in that: spring be one end press against on the connecting rod,
The other end applies the pressure spring of elastic acting force, the elasticity that pressure spring is applied by the connecting rod to second flange to the first flange
Active force is opposite with the force direction that the bellows applies to second flange.
8. wall bushing component according to claim 7, it is characterised in that: first flange is equipped with corresponding with the connecting rod
The connector sleeve of inserting, one end in connector sleeve is located in the connecting rod is equipped with and turn edge outside, and turn edge is correspondingly arranged on connector sleeve,
The pressure spring resilient support is between inside and outside turn edge.
9. wall bushing component according to claim 5, it is characterised in that: the stop catch plate is to be pierced by section with conducting rod to lead
The side backwards to casing of the conduct piece being electrically connected, stop catch plate is equipped with terminal plate.
10. according to wall bushing component described in Claims 2 or 3 or 4 or 6 or 7 or 8, it is characterised in that: regulating part further includes
Spinning is in the fastening nut for clamping Stop structure together with the adjusting nut on connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868854.5A CN107887865B (en) | 2017-09-22 | 2017-09-22 | A kind of New type through-wall sleeve component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868854.5A CN107887865B (en) | 2017-09-22 | 2017-09-22 | A kind of New type through-wall sleeve component |
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| Publication Number | Publication Date |
|---|---|
| CN107887865A CN107887865A (en) | 2018-04-06 |
| CN107887865B true CN107887865B (en) | 2019-08-02 |
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| CN201710868854.5A Active CN107887865B (en) | 2017-09-22 | 2017-09-22 | A kind of New type through-wall sleeve component |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108988253B (en) * | 2018-09-10 | 2020-05-26 | 惠州市鸿业电力信息科技有限公司 | Electric power insulation wall bushing |
| CN110676779B (en) * | 2019-08-29 | 2021-04-30 | 平高集团有限公司 | Wall bushing |
| CN110729684B (en) * | 2019-10-31 | 2020-10-27 | 西安交通大学 | Ultra/extra-high voltage SF6Gas insulation wall bushing and insulation supporting structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200947533Y (en) * | 2006-09-15 | 2007-09-12 | 范凯 | Indoor-outdoor conductor wall-penetrated bushing |
| CN204290209U (en) * | 2014-11-06 | 2015-04-22 | 中国西电电气股份有限公司 | A kind of dock alternating current-direct current wall bushing |
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