CN106764092B - Bus sealing to through the wall structure - Google Patents
Bus sealing to through the wall structure Download PDFInfo
- Publication number
- CN106764092B CN106764092B CN201710042353.1A CN201710042353A CN106764092B CN 106764092 B CN106764092 B CN 106764092B CN 201710042353 A CN201710042353 A CN 201710042353A CN 106764092 B CN106764092 B CN 106764092B
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- wall
- walls
- bus
- hole
- sealing plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The present invention discloses a kind of bus structure through walls, is related to bus technical field.The bus structure through walls includes bus, wall bushing；The bus is in the wall bushing；The wall bushing includes the first Hough casing, the second Hough casing；The first Hough casing, the second Hough casing form the wall bushing by fastener pairing；The bus is coaxially set in the wall bushing；Filler is filled in gap between the bus and the wall bushing；Heat-shrink tube is equipped in the outer sheath of the wall bushing.Invention additionally discloses a kind of bus sealing to through the wall structures.The present invention has the advantages of installing, position convenient for bus wall bushing engaged therewith, installing fastness, good airproof performance, reduce disconnected node, reduce accident rate.
Description
Technical field
The present invention relates to bus technical field more particularly to bus sealing to through the wall structures.
Background technique
When installing cast isolated bus, often encountering pipe bus needs the case where entering the room through walls.Traditional technique is
It is completed using wall bushing through walls.In order to guarantee safety, the bus center through walls for generally walking porthole, it is ensured that safe distance.
Existing wall bushing is overall structure, and bus penetrates wherein it is difficult to which bus is made to position with wall bushing, is coaxial, it has not been convenient to
Installation.Again, the binding strength between bus and wall bushing is also to be improved.In addition, using wall bushing, set through walls in the past
Pipe is a single integral tube, and bus needs dock with it, need to increase tie point.In the power system, tie point is more
There are many security risks, makes mistakes as caused by local temperature rise is excessively high, or installation is not careful.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides one kind to install convenient for bus wall bushing engaged therewith, position,
Fastness is installed, good airproof performance, reduces disconnected node, reduces the bus sealing to through the wall structure of accident rate.
The present invention is realized by following technological means solves above-mentioned technical problem: a kind of bus structure through walls, including mother
Line, wall bushing；The bus is in the wall bushing；The wall bushing includes the first Hough casing, the second Hough
Casing；The first Hough casing, the second Hough casing form the wall bushing by fastener pairing；The bus is same
Axle sleeve is located in the wall bushing；Filler is filled in gap between the bus and the wall bushing；Institute
The outer sheath for stating wall bushing is equipped with heat-shrink tube.
Preferably: the fastener includes adhesive tape, and the adhesive tape is wrapped in the outside of the wall bushing.
Preferably: the filler includes rubber pad.
A kind of bus sealing to through the wall structure, including bus structure through walls, upper sealing panel, lower sealing plate；The bus through walls
Structure includes the first Hough casing, the second Hough casing, bus, fastener；The first Hough casing, the second Hough casing are logical
The fastener pairing is crossed, wall bushing is formed；The bus is coaxially set in the wall bushing and through described through walls
Casing；Filler is filled in gap between the bus and the wall bushing；In the outer sheath of the wall bushing
Equipped with heat-shrink tube；Wall offers through-hole through walls；Through-hole through walls upper and lower ends be respectively arranged with the upper sealing panel, under it is close
Sealing plate；The upper sealing panel, lower sealing plate shift to install, and the through-hole through walls is completely covered the sealing plate component of formation, and
The upper sealing panel lower end is Chong Die with the upper end of the lower sealing plate；Threading through-hole is offered on the overlapping region；It is described
Bus structure through walls sequentially passes through the threading through-hole, through-hole through walls, and guarantees that one end of the wall bushing is exposed described
The outside of sealing plate component；Sealing structure is provided between bus structure through walls and the through-hole through walls.
Preferably: angle steel, lower angle steel are provided on the wall；The upper angle steel is located at the upper of the through-hole through walls
Side, the lower angle steel are located at the lower section of the through-hole through walls；The upper sealing panel is fixed on the upper angle steel by tightening up a screw,
The lower sealing plate is fixed on the lower angle steel by lower screw.
Preferably: the sealing structure includes creeping-increasing skirt, and the outside of the sealing plate component is exposed in the wall bushing
One end on be arranged with the creeping-increasing skirt.
A kind of bus dual face seals structure through walls, including sealed under bus structure through walls, wall face upper sealing panel, wall face
Sealing plate under plate, inner wall surface upper sealing panel, inner wall surface；
The bus structure through walls includes the first Hough of exterior wall casing, the second Hough of exterior wall casing, bus, exterior wall fastening
Part, the first Hough of interior wall casing, the second Hough of interior wall casing, interior wall fastener；The first Hough of exterior wall casing, exterior wall second
Hough casing forms exterior wall wall bushing by the exterior wall fastener pairing；The first Hough of interior wall casing, interior wall second
Hough casing forms interior wall wall bushing by the interior wall fastener pairing；
The bus is sequentially coaxially set in the exterior wall wall bushing, in interior wall wall bushing and sequentially passes through described outer
Wall wall bushing, interior wall wall bushing；In gap between the bus and the exterior wall wall bushing, the bus with
Filler is filled in gap between the interior wall wall bushing；Outer heat is equipped in the outer sheath of the exterior wall wall bushing
The draw, the interior wall wall bushing outer sheath be equipped with interior heat-shrink tube；
Wall offers through-hole through walls, and sealing plate is located on the wall face under the wall face upper sealing panel, wall face,
And sealing plate is located at the upper and lower ends of the through-hole through walls under the wall face upper sealing panel, wall face；The wall face
Sealing plate shifts to install under upper sealing panel, wall face, and the external seal board group part of formation is complete by the external port of the through-hole through walls
Covering, and wall face upper sealing panel lower end is Chong Die with the upper end of sealing plate under the wall face；On the overlapping region
Offer outer threading through-hole；Sealing plate is arranged in parallel under the inner wall surface upper sealing panel, inner wall surface, the inner sealing plate component of formation
The inner port of the through-hole through walls is completely covered, and the end face of inner wall surface upper sealing panel lower end with it is close under the inner wall surface
The end face of sealing plate upper end contacts；It is offered on the contact area of sealing plate under the inner wall surface upper sealing panel, the inner wall surface
Interior threading through-hole；
The bus structure through walls sequentially passes through the outer threading through-hole, through-hole through walls, interior threading through-hole, and described in guarantee
Exterior wall wall bushing exposes the external seal board group part, the interior wall wall bushing exposes the inner sealing plate component；Through walls
Bus structure and the interior through-hole through walls are provided with sealing structure between bus structure through walls and the outer through-hole through walls.
The present invention has the advantages that the present invention replaces the monoblock type casing of the prior art, side using the casing of half slide structure
Just bus is fitted into, then filler is filled in the gap between bus and wall bushing, on the one hand guarantees bus and wall bushing
On the other hand coaxial arrangement improves whole intensity.In addition, the outer sheath in wall bushing is equipped with heat-shrink tube, can specifically lead to
The mode of pyrocondensation is crossed by heat-shrink tube pyrocondensation in the outside of wall bushing, thus improve the first Hough casing, the second Hough casing it
Between binding strength.In addition, using wall bushing in the past, wall bushing is a single integral tube, and it is right with it that bus is needed
It connects.Increase tie point.Bus of the invention directly can be through walls and the tie point excessively without extra pair.It connects in the power system
Point is fewer, better.Tie point many security risks, as local temperature rise is excessively high, or installation carefully caused by make mistakes.
Creeping-increasing skirt is also arranged on heat-shrink tube, creeping-increasing skirt is located at the periphery of sealing plate component.To prevent scene from sealing
When cutting threading through-hole on plate, since error leads to the irregular of circle, threading through-hole was both met in this way using creeping-increasing skirt (full skirt)
The requirement of circularity, and increase creepage distance.In addition, after the installation is completed, by creeping-increasing skirt end and threading by way of pyrocondensation
Bore periphery sealing, realizes the effect of sealing.
Further, upper sealing panel lower end is Chong Die with the upper end of lower sealing plate in the present invention, is to improve whole sealing
Property, waterproofness.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bus structure through walls in the present invention.
Fig. 2 is a kind of structural schematic diagram of bus sealing to through the wall structure in the present invention.
Fig. 3 is a kind of structural schematic diagram of bus dual face seals structure through walls in the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, the present embodiment discloses a kind of bus structure through walls, including bus 1, wall bushing 2.Bus 1 runs through
In wall bushing 2.Wall bushing 2 includes the first Hough casing 21, the second Hough casing 22.First Hough casing 21, second is breathed out
Husband's casing 22 forms wall bushing 2 by fastener pairing.Bus 1 is coaxially set in wall bushing 2.Bus 1 with it is through walls
Filler 4 is filled in gap between casing 2.Heat-shrink tube 5 is equipped in the outer sheath of wall bushing 2.
The present invention replaces the monoblock type casing of the prior art using the casing of half slide structure, and bus 1 is facilitated to be fitted into,
Filler is filled in gap between bus 1 and wall bushing 2, on the one hand guarantees that bus 1 and wall bushing 2 are coaxially disposed, another
Aspect improves whole intensity.The material of first Hough casing 21, the second Hough casing 22 of the invention preferably uses asphalt mixtures modified by epoxy resin
Rouge.In addition, the outer sheath in wall bushing 2 is equipped with heat-shrink tube 5,5 pyrocondensation of heat-shrink tube can specifically be existed by way of pyrocondensation
The outside of wall bushing 2, to improve the binding strength between the first Hough casing 21, the second Hough casing 22.Of the invention
Heat-shrink tube 5 can run through the wall bushing 2, can also be with pyrocondensation in the part of wall bushing 2；Or multiple heat-shrink tubes 5 along
The axis interval pyrocondensation of wall bushing 2 is on wall bushing 2.
In some embodiments: fastener includes adhesive tape, and adhesive tape is wrapped in the outside of wall bushing 2.What the present invention used
Adhesive tape is preferably the high temperature gummed tape of the prior art.
In some embodiments: filler includes rubber pad.
Embodiment 2
As shown in Figs. 1-2, the present embodiment discloses a kind of bus sealing to through the wall structure, including bus structure through walls, upper sealing
Plate 61, lower sealing plate 62.Bus structure through walls includes the first Hough casing 21, the second Hough casing 22, bus 1, fastener, heat
The draw 5.First Hough casing 21, the second Hough casing 22 form wall bushing 2 by fastener pairing.Bus 1 is coaxially arranged
In wall bushing 2 and run through wall bushing 2.It is filled with filler in gap between bus 1 and wall bushing 2, is wearing
The outer sheath of wall sleeve 2 is equipped with heat-shrink tube 5.Wall offers through-hole 81 through walls.It is set respectively in the upper and lower ends of through-hole 81 through walls
It is equipped with upper sealing panel 61, lower sealing plate 62.Upper sealing panel 61, lower sealing plate 62 shift to install, and the sealing plate component of formation will be worn
The port of wall through-hole 81 is completely covered, and 61 lower end of upper sealing panel is Chong Die with the upper end of lower sealing plate 62.It is opened on overlapping region
Equipped with threading through-hole.Bus structure through walls sequentially passes through threading through-hole, through-hole through walls 81, and guarantees one end dew of wall bushing 2
Out in the outside of sealing plate component.Creeping-increasing skirt 9 is also arranged on heat-shrink tube 5, creeping-increasing skirt 9 is located at the periphery of sealing plate component.
The material of creeping-increasing skirt 9 is preferably silicon rubber.To prevent scene when cutting threading through-hole on sealing plate, since error leads to circle
Irregularly, not only meet the requirement of threading through-hole circularity in this way using creeping-increasing skirt 9 (full skirt), but also increase creepage distance.In addition, peace
After dress, 9 end of creeping-increasing skirt and threading bore periphery are sealed by way of pyrocondensation, realize the effect of sealing.The present invention
The material of each sealing plate be epoxy resin.61 lower end of upper sealing panel is Chong Die with the upper end of lower sealing plate 62 in the present invention,
It is to improve whole leakproofness, waterproofness.
In some embodiments: angle steel 82, lower angle steel 83 are provided on wall.Upper angle steel 82 is located at through-hole 81 through walls
Top, lower angle steel 83 are located at the lower section of through-hole 81 through walls.Upper sealing panel 61 is fixed on angle by tightening up a screw and (not marking in figure)
On steel 82, lower sealing plate 62 is fixed on lower angle steel 83 by lower screw (not marking in figure).
The present invention by by bus 1 through corresponding first Hough casing 21,22 pairing of the second Hough casing set through walls
In pipe 2, then filler is filled between wall bushing 2 and bus 1, then in the outside pyrocondensation heat-shrink tube 5 of wall bushing 2, formed
Bus structure through walls.Upper sealing panel 61, lower sealing plate 62 is fixed, creeping-increasing skirt 9 is arranged on heat-shrink tube 5, the end of creeping-increasing skirt 9
Resist upper sealing panel 61, on the sealing plate component that lower sealing plate 62 is formed, it is logical along the edge threading of 9 open end of creeping-increasing skirt
Creeping-increasing skirt 9 is arranged on heat-shrink tube 5 by hole, bus structure through walls is sequentially passed through threading through-hole, through-hole through walls 81, then increasing is climbed
9 pyrocondensation of skirt completes technique in threading through hole.
Embodiment 3
As shown in Figure 1,3, the present embodiment discloses a kind of bus dual face seals structure through walls, including bus structure through walls, outer
Sealing plate 622 under sealing plate 621, inner wall surface upper sealing panel 612, inner wall surface under metope upper sealing panel 611, wall face.
Bus structure through walls includes the first Hough of exterior wall casing 2011, the second Hough of exterior wall casing 2012, bus 1, exterior wall
Fastener, the first Hough of interior wall casing 2021, the second Hough of interior wall casing 2022, interior wall fastener, outer heat-shrink tube 51, interior pyrocondensation
Pipe 52.It is through walls to form exterior wall by exterior wall fastener pairing for the first Hough of exterior wall casing 2011, the second Hough of exterior wall casing 2012
Casing 201.The first Hough of interior wall casing 2021, the second Hough of interior wall casing 2022 form interior wall by interior wall fastener pairing
Wall bushing 202.
Bus 1 is sequentially coaxially set in exterior wall wall bushing 201, in interior wall wall bushing 202 and sequentially passes through exterior wall and wears
Wall sleeve 201, interior wall wall bushing 202.In gap between bus 1 and exterior wall wall bushing 201, in bus 1 and interior wall
Filler is filled in gap between wall bushing 202.
Outer heat-shrink tube 51 is equipped in the outer sheath of exterior wall wall bushing 201, is equipped in the outer sheath of interior wall wall bushing 202
Interior heat-shrink tube 52.
Wall offers through-hole 81 through walls, and sealing plate 621 is located on wall face under wall face upper sealing panel 611, wall face,
And sealing plate 621 is located at the upper and lower ends of through-hole 81 through walls under wall face upper sealing panel 611, wall face.It is close on wall face
Sealing plate 621 shifts to install under sealing plate 611, wall face, and the external seal board group part of formation is complete by the external port of through-hole 81 through walls
Covering, and 611 lower end of wall face upper sealing panel is Chong Die with the upper end of sealing plate 621 under wall face.It is offered on overlapping region
Outer threading through-hole.Sealing plate 622 is arranged in parallel under inner wall surface upper sealing panel 612, inner wall surface, and the inner sealing plate component of formation will be worn
The inner port of wall through-hole 81 is completely covered, and 622 upper end of sealing plate under the end face of 612 lower end of inner wall surface upper sealing panel and inner wall surface
End face contact.Interior threading through-hole is offered on the contact area of sealing plate 622 under inner wall surface upper sealing panel 612, inner wall surface.
Bus structure through walls sequentially passes through outer threading through-hole, through-hole through walls 81, interior threading through-hole, and guarantees exterior wall set through walls
Exposing external seal board group part, the interior wall wall bushing 202 of pipe 201 expose inner sealing plate component.
Creeping-increasing skirt is also arranged on outer heat-shrink tube 51, interior heat-shrink tube 52, creeping-increasing skirt is located at corresponding sealing plate component
Periphery.
Sealing plate 622 is arranged in parallel under the inner wall surface upper sealing panel 612 of the present embodiment, inner wall surface, is due in inner wall surface
Sealing plate 622 is arranged indoors under sealing plate 612, inner wall surface, other than meeting beautiful needs, inner wall surface upper sealing panel 612,
Sealing plate 622 is smooth under inner wall surface, is also able to satisfy the needs of later period brushing, decorating wall.
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (4)
1. a kind of bus sealing to through the wall structure, it is characterised in that: including bus structure through walls, upper sealing panel, lower sealing plate；It is described
Bus structure through walls includes the first Hough casing, the second Hough casing, bus, fastener；The first Hough casing, second breathe out
Husband's casing forms wall bushing by the fastener pairing；The bus is coaxially set in the wall bushing and runs through
The wall bushing；Filler is filled in gap between the bus and the wall bushing；In the wall bushing
Outer sheath be equipped with heat-shrink tube；Wall offers through-hole through walls；It is respectively arranged in the upper and lower ends of through-hole through walls described close
Sealing plate, lower sealing plate；The upper sealing panel, lower sealing plate shift to install, and the sealing plate component of formation is complete by the through-hole through walls
All standing, and the upper sealing panel lower end is Chong Die with the upper end of the lower sealing plate；Threading is offered on the overlapping region
Through-hole；The bus structure through walls sequentially passes through the threading through-hole, through-hole through walls, and guarantees one end dew of the wall bushing
Out in the outside of the sealing plate component；Sealing structure is provided between bus structure through walls and the through-hole through walls.
2. bus sealing to through the wall structure according to claim 1, it is characterised in that: be provided on the wall angle steel,
Lower angle steel；The upper angle steel is located at the top of the through-hole through walls, and the lower angle steel is located at the lower section of the through-hole through walls；It is described
Upper sealing panel is fixed on the upper angle steel by tightening up a screw, and the lower sealing plate is fixed on the lower angle steel by lower screw
On.
3. bus sealing to through the wall structure according to claim 2, it is characterised in that: the sealing structure includes creeping-increasing skirt,
Expose in the wall bushing and is arranged with the creeping-increasing skirt on the one end in the outside of the sealing plate component.
4. a kind of bus dual face seals structure through walls, it is characterised in that: including bus structure through walls, wall face upper sealing panel, outer
Sealing plate under sealing plate, inner wall surface upper sealing panel, inner wall surface under metope；
The bus structure through walls includes the first Hough of exterior wall casing, the second Hough of exterior wall casing, bus, exterior wall fastener, interior
The first Hough of wall casing, the second Hough of interior wall casing, interior wall fastener；The first Hough of exterior wall casing, the second Hough of exterior wall
Casing forms exterior wall wall bushing by the exterior wall fastener pairing；The first Hough of interior wall casing, the second Hough of interior wall
Casing forms interior wall wall bushing by the interior wall fastener pairing；
The bus is sequentially coaxially set in the exterior wall wall bushing, in interior wall wall bushing and sequentially passes through the exterior wall and wears
Wall sleeve, interior wall wall bushing；In gap between the bus and the exterior wall wall bushing, the bus with it is described
Filler is filled in gap between interior wall wall bushing；Outer pyrocondensation is equipped in the outer sheath of the exterior wall wall bushing
Pipe, the interior wall wall bushing outer sheath be equipped with interior heat-shrink tube；
Wall offers through-hole through walls, and sealing plate is located on the wall face under the wall face upper sealing panel, wall face, and institute
State the upper and lower ends that sealing plate under wall face upper sealing panel, wall face is located at the through-hole through walls；It is close on the wall face
Sealing plate shifts to install under sealing plate, wall face, and the external port of the through-hole through walls is completely covered the external seal board group part of formation,
And wall face upper sealing panel lower end is Chong Die with the upper end of sealing plate under the wall face；It is offered on the overlapping region
Outer threading through-hole；Sealing plate is arranged in parallel under the inner wall surface upper sealing panel, inner wall surface, and the inner sealing plate component of formation will be described
The inner port of through-hole through walls is completely covered, and under the end face of inner wall surface upper sealing panel lower end and the inner wall surface on sealing plate
The end face at end contacts；Interior threading is offered on the contact area of sealing plate under the inner wall surface upper sealing panel, the inner wall surface
Through-hole；
The bus structure through walls sequentially passes through the outer threading through-hole, through-hole through walls, interior threading through-hole, and guarantees the exterior wall
Wall bushing exposes the external seal board group part, the interior wall wall bushing exposes the inner sealing plate component；In bus through walls
Structure and interior through-hole through walls are provided with sealing structure between bus structure through walls and outer through-hole through walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042353.1A CN106764092B (en) | 2017-01-20 | 2017-01-20 | Bus sealing to through the wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042353.1A CN106764092B (en) | 2017-01-20 | 2017-01-20 | Bus sealing to through the wall structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106764092A CN106764092A (en) | 2017-05-31 |
| CN106764092B true CN106764092B (en) | 2019-05-03 |
Family
ID=58944717
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042353.1A Active CN106764092B (en) | 2017-01-20 | 2017-01-20 | Bus sealing to through the wall structure |
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| Country | Link |
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| CN (1) | CN106764092B (en) |
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| CN204835409U (en) * | 2014-11-10 | 2015-12-02 | 国家电网公司 | Owner becomes and is qualified for next round of competitions with wall bushing and bottom plate structure |
| CN205304157U (en) * | 2015-09-29 | 2016-06-08 | 北京诺德威电力技术开发有限责任公司 | Dry type high -pressure wall bushing |
| CN205385260U (en) * | 2016-03-14 | 2016-07-13 | 台州宏远电力设计院有限公司 | Prevention of seepage water high pressure wall bushing sheet frame |
| CN206592657U (en) * | 2017-01-20 | 2017-10-27 | 合肥志功机电工程有限公司 | Bus structure through walls, bus sealing to through the wall structure |
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|---|---|
| CN106764092A (en) | 2017-05-31 |
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Inventor after: Li Zhigong Inventor after: He Zhijian Inventor after: Deng Yuan Inventor before: Li Zhigong Inventor before: Deng Yuan |