CN107196255A - The diameter adjustable sealing structure and its encapsulating method of a kind of cable penetration or poling - Google Patents
The diameter adjustable sealing structure and its encapsulating method of a kind of cable penetration or poling Download PDFInfo
- Publication number
- CN107196255A CN107196255A CN201710521425.0A CN201710521425A CN107196255A CN 107196255 A CN107196255 A CN 107196255A CN 201710521425 A CN201710521425 A CN 201710521425A CN 107196255 A CN107196255 A CN 107196255A
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- CN
- China
- Prior art keywords
- cable
- seal layer
- flexible seal
- poling
- cover flange
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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.)
- Pending
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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)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses the diameter adjustable sealing structure and its encapsulating method of a kind of cable penetration or poling, mounting hole is offered on the installation body, pedestal sleeve pipe is fixed with the mounting hole, a flexible seal layer is fixed with the pedestal sleeve pipe, cable is located in the center through hole of the flexible seal layer, the interior outer face of the flexible seal layer is respectively fixed with upper press cover flange and lower cover flange, the upper press cover flange is pressed on the outer face of the pedestal sleeve pipe, the upper press cover flange, flexible seal layer and lower cover flange are fixed as one by a connecting rod；Flexible seal layer is flexible material, solve because existing plugging material and cable and wall coil can not the cable that is brought of tight seal soak for a long time brought cable breakdown accident；Also reserved for following dilatation, reduce upgrade maintenance and unconscious construction problem, be that installation and debugging maintenance brings great convenience.
Description
Technical field
The present invention relates to field of electrical equipment, it is related to the through walls or poling laying of cable, more particularly to a kind of cable penetration
Or the diameter adjustable sealing structure and its encapsulating method of poling.
Background technology
With the progress of expanding economy and the progress of technology, and urban network reconstruction engineering, power cable replaces frame
Ceases to be busy road turns into a kind of trend, is particularly insulated with crosslinked polyethylene (XLPE) for the polymer insulation power cable of representative,
Have the advantages that good insulation preformance, transmission capacity be big, annex makes simple, portable construction, do not limited by height fall, occupied
The absolute predominance status in cable application field.The laying of XLPE cable is to use the modes such as direct-burried, poling, through walls or tunnel mostly,
And cable seal is carried out at cable penetration and poling, at present, what the country was used is that stifled mudding is blocked up or do not take close mostly
Envelope.
Stifled mudding blocks up this sealing means and there is corrosion cable, is not suitable with outdoor moist, extremely cold very hot working environment
, easily there is the phenomenon such as permeability when coating decortication, damp failure and high temperature in problem；And then cause cable long period of soaking in water
In, cause cable jacket insulating barrier to corrode, insulating properties failure, the cable metallic screens formation circulation under exchange electro ultrafiltration,
Cause electric cable heating to accelerate insulation ag(e)ing, ultimately result in cable breakdown accident, the power supply that have impact on whole power network is stable, more has very
Person, is likely to result in personal safety accident；Such as block sealing and do not have an effect, or even have toy and crawl into cable and be connected with switch
Storehouse, easily causes the power outage such as short circuit or tripping operation, sealing is not good to cause the generation of various security incidents, have a strong impact on power network
Safety and use.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, cable will not be corroded the invention provides one kind, oil resistant antiknock is mould proof
Become, improve the cable penetration of cable reliability of operation or the diameter adjustable sealing structure and its encapsulating method of poling.
To achieve these goals, the technical solution adopted by the present invention is：
Opened up on a kind of diameter adjustable sealing structure of cable penetration or poling, including installation body, the installation body
Have and pedestal sleeve pipe is fixed with mounting hole, the mounting hole, be fixed with a flexible seal layer in the pedestal sleeve pipe, cable is worn
In the center through hole of the flexible seal layer, the interior outer face of the flexible seal layer is respectively fixed with upper press cover flange with
Gland flange, the upper press cover flange is pressed on the outer face of the pedestal sleeve pipe, the upper press cover flange, flexible seal layer
It is fixed as one with lower cover flange by a connecting rod.
As the further improvement of such scheme, the flexible seal layer is that can vulcanize ethylene propylene diene rubber ring.
As the further improvement of such scheme, the ethylene propylene diene rubber ring that vulcanizes is followed successively by sealing block from outside to inside
With tack sheet rubber.
As the further improvement of such scheme, the connecting rod is screw rod.
A kind of diameter adjustable encapsulating method of cable penetration or poling, comprises the following steps,
A) being dug on wall or body has mounting hole, fixed in mounting hole to load pedestal sleeve pipe；
B) cable is passed through into lower cover flange, flexible seal layer is set in outside cable, pacified in the upper end of flexible seal layer
Gland flange is loaded onto, upper press cover flange, flexible seal layer and lower cover flange is fixed using connecting rod so that cable, upper pressure
Lid flange, flexible seal layer and lower cover flange are connected to the seal modules of integral type；
C) lubricant is uniformly coated with the outer peripheral face of flexible seal layer, seal modules is pushed into pedestal sleeve pipe；
D) be rotatably connected bar, and compressed flexible sealant expands it, until the surfaces externally and internally of flexible seal layer respectively with electricity
Cable and pedestal sleeve pipe are brought into close contact.
As the further improvement of such scheme, with binding agent by the seam between pedestal sleeve pipe and wall or body in step a)
Gap is filled up, and pedestal pipe sleeve is tightly fastened with installation body and is integrated.
As the further improvement of such scheme, needed the tack sheet rubber on the inside of flexible seal layer in step b) successively
Remove, until the annular diameters of flexible seal layer are identical with the outside diameter of cable, flexible seal layer closely can be fastened on outside cable.
As the further improvement of such scheme, connecting rod is tightened using the symmetrical synchronization of workpiece in step d).
Beneficial effects of the present invention：
The diameter adjustable sealing structure and its encapsulating method of a kind of cable penetration of the present invention or poling, it is solid using pedestal sleeve pipe
Determine flexible seal layer, flexible seal layer is closely set on cable and sealed, flexible seal layer and cable and pedestal sleeve
Into combining closely, solve because existing plugging material and cable and wall coil can not the cable that is brought of tight seal soak for a long time institute
Bring cable breakdown accident；Flexible seal layer is flexible material, is conveniently replaced, also reserved for following dilatation, reduces upgrading
The construction problem of maintenance, is that installation and debugging maintenance brings great convenience；And flexible seal layer will not corrode cable, improve
Cable reliability of operation；Whole encapsulating method is simple and convenient, breaches the technology of cable penetration and poling sealing reliability
Bottleneck, field fabrication, the maintenance for meeting cable penetration and poling Seal is moved and changes demand.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than is all implemented
Example, on the premise of not paying creative work, other that can also be obtained according to these accompanying drawings are set those skilled in the art
Meter scheme and accompanying drawing：
Fig. 1 is present pre-ferred embodiments structure half-section diagram；
Fig. 2 is present pre-ferred embodiments structure top view；
Fig. 3 is present pre-ferred embodiments structure upward view.
Embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing clear
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.
Referring to figs. 1 to Fig. 3, a kind of diameter adjustable sealing structure of cable penetration or poling, including body 1 is installed, it is described
Install to offer on body 1 and pedestal sleeve pipe 2 is fixed with mounting hole, the mounting hole, it is soft to be fixed with one in the pedestal sleeve pipe 2
Property sealant 3, using pedestal sleeve pipe 2 completely cut off flexible seal layer 3 and install body 1, only need to change flexible seal layer 3 i.e. during replacing
Can, it is not necessary to drilled or mounting seat on body 1 is installed again, reduce installation steps.
Cable 4 is located in the center through hole of the flexible seal layer 3, the interior outer face difference of the flexible seal layer 3
Upper press cover flange 5 and lower cover flange 6 are fixed with, the outer face that the upper press cover flange 5 is pressed on the pedestal sleeve pipe 2 is enterprising
Spacing, the sealing that the upper press cover flange 5, flexible seal layer 3 and lower cover flange 6 are fixed as one by a connecting rod 7 of row
Module, the connecting rod 7 is screw rod.
Flexible seal layer 3 is closely set on cable 4 and sealed, flexible seal layer 3 and cable 4 and the shape of pedestal sleeve pipe 2
Into combining closely, solve because existing plugging material and cable 4 and wall coil can not the cable that is brought of tight seal soak for a long time
Brought cable breakdown accident, improves reliability when cable 4 is run.
The flexible seal layer 3 is can vulcanize ethylene propylene diene rubber ring, and the ethylene propylene diene rubber ring that vulcanizes is by outside extremely
Inside it is followed successively by sealing block 31 and tack sheet rubber 32.Ethylene propylene diene rubber performance requirement, which can be vulcanized, is：15.1-20.8Mpa's
Tensile strength, 310-420% elongation at break, 62-90 hardness (JISA), 25-35% compression set (100 DEG C of *
22h), 178h resistance to ozone aging (50pphm, 50 DEG C), 36-45 Mooney viscosity ML1+4 (100gradeC) and low water absorption.
Flexible seal layer 3 is flexible material, is conveniently replaced, also reserved for following dilatation, reduces the construction problem of upgrade maintenance, is
Installation and debugging, which are safeguarded, brings great convenience；And flexible seal layer 3 will not corrode cable, the safety of cable operation is improved
Performance.
A kind of diameter adjustable encapsulating method of cable penetration or poling, comprises the following steps,
A) being dug on wall or body has mounting hole, fixed in mounting hole to load pedestal sleeve pipe 2, will using binding agent
Gap between pedestal sleeve pipe 2 and wall or body is filled up so that pedestal pipe sleeve 2 is tightly fastened with installation body 1 and is integrated.Bond
Agent can select cement concrete, or other kinds binding agent.
B) cable 4 is passed through into lower cover flange 6, the tack sheet rubber 32 of the inner side of flexible seal layer 3 successively removed, directly
Annular diameters to flexible seal layer 3 are identical with the external diameter of cable 4, and flexible seal layer 3 can be closely fastened on outside cable 4, flexible close
Sealing 3 is set in outside cable 4, and gland flange 5 is installed in the upper end of flexible seal layer 3, using connecting rod 7 by upper press cover flange
5th, flexible seal layer 3 and lower cover flange 6 are fixed so that cable 4, upper press cover flange 5, flexible seal layer 3 and lower cover flange 6
It is connected to the seal modules of integral type；
C) lubricant is uniformly coated with the outer peripheral face of flexible seal layer 3, seal modules is pushed into pedestal sleeve pipe 1, when
Stop being pushed into when the outer face of upper press cover flange 5 and pedestal sleeve pipe 2 is compressed；
D) connecting rod 7 is tightened using the symmetrical synchronization of workpiece, compressed flexible sealant 3 expands it, until flexible close
The surfaces externally and internally of sealing 3 is brought into close contact with cable 4 and pedestal sleeve pipe 2 respectively.It is symmetrical synchronously to tighten so that flexible seal layer 3 expands
It is more uniform, reduce the space between flexible seal layer 3 and cable 4 so that fit even closer.
Encapsulating method is easy to operate, and the diameter adjustable seal modules being made form close knot with cable 4 and installation body 1
Close, breach the technical bottleneck of cable penetration and poling sealing reliability, meet showing for cable penetration and poling Seal
Field is made, maintenance is moved and changes demand.
Above is presently preferred embodiments of the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent modifications or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (8)
1. offered on the diameter adjustable sealing structure of a kind of cable penetration or poling, including installation body, the installation body
Mounting hole, it is characterised in that：It is fixed with the mounting hole in pedestal sleeve pipe, the pedestal sleeve pipe and is fixed with a flexible sealing
Layer, cable is located in the center through hole of the flexible seal layer, and the interior outer face of the flexible seal layer is respectively fixed with
Gland flange and lower cover flange, the upper press cover flange are pressed on the outer face of the pedestal sleeve pipe, the upper press cover method
Blue, flexible seal layer and lower cover flange are fixed as one by a connecting rod.
2. the diameter adjustable sealing structure of cable penetration according to claim 1 or poling, it is characterised in that：The flexibility
Sealant is that can vulcanize ethylene propylene diene rubber ring.
3. the diameter adjustable sealing structure of cable penetration according to claim 2 or poling, it is characterised in that：It is described can sulphur
Change ethylene propylene diene rubber ring and be followed successively by sealing block and tack sheet rubber from outside to inside.
4. the diameter adjustable sealing structure of cable penetration according to claim 1 or poling, it is characterised in that：The connection
Bar is screw rod.
5. the diameter adjustable encapsulating method of a kind of cable penetration or poling, it is characterised in that：Comprise the following steps,
A) being dug on wall or body has mounting hole, fixed in mounting hole to load pedestal sleeve pipe；
B) cable is passed through into lower cover flange, flexible seal layer is set in outside cable, installed in the upper end of flexible seal layer
Gland flange, is fixed upper press cover flange, flexible seal layer and lower cover flange using connecting rod so that cable, upper press cover method
Blue, flexible seal layer and lower cover flange are connected to the seal modules of integral type；
C) lubricant is uniformly coated with the outer peripheral face of flexible seal layer, seal modules is pushed into pedestal sleeve pipe；
D) be rotatably connected bar, and compressed flexible sealant expands it, until the surfaces externally and internally of flexible seal layer respectively with cable and
Pedestal sleeve pipe is brought into close contact.
6. the diameter adjustable encapsulating method of cable penetration according to claim 5 or poling, it is characterised in that：In step a)
The gap between pedestal sleeve pipe and wall or body is filled up with binding agent, pedestal pipe sleeve is tightly fastened with installation body and is integrated.
7. the diameter adjustable encapsulating method of cable penetration according to claim 5 or poling, it is characterised in that：In step b)
Tack sheet rubber on the inside of flexible seal layer need to successively be removed, until the annular diameters and outside diameter of cable phase of flexible seal layer
Together, flexible seal layer closely can be fastened on outside cable.
8. the diameter adjustable encapsulating method of cable penetration according to claim 5 or poling, it is characterised in that：In step d)
Connecting rod is tightened using the symmetrical synchronization of workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521425.0A CN107196255A (en) | 2017-06-30 | 2017-06-30 | The diameter adjustable sealing structure and its encapsulating method of a kind of cable penetration or poling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521425.0A CN107196255A (en) | 2017-06-30 | 2017-06-30 | The diameter adjustable sealing structure and its encapsulating method of a kind of cable penetration or poling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107196255A true CN107196255A (en) | 2017-09-22 |
Family
ID=59881652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710521425.0A Pending CN107196255A (en) | 2017-06-30 | 2017-06-30 | The diameter adjustable sealing structure and its encapsulating method of a kind of cable penetration or poling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196255A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054703A (en) * | 2017-12-27 | 2018-05-18 | 上海策元实业有限公司 | A kind of plugging structure for cable hole |
| CN113611464A (en) * | 2021-07-27 | 2021-11-05 | 贵州电网有限责任公司 | Porcelain bushing device with good water resistance |
| CN114006329A (en) * | 2021-11-02 | 2022-02-01 | 国网上海市电力公司 | Cable variable-diameter sealing piece water-blocking flange |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19649499A1 (en) * | 1996-11-29 | 1998-06-04 | Hauff Technik Gmbh & Co Kg | Gland for passing cables and pipelines through wall |
| CN204068132U (en) * | 2014-08-28 | 2014-12-31 | 上海置信电气非晶有限公司 | A kind of cable reducer seal become for intelligent box |
| CN104976436A (en) * | 2014-04-01 | 2015-10-14 | 天津市丙申网络科技有限公司 | Device for sealing and blocking wire through hole on wall or cabinet body |
| CN105546225A (en) * | 2016-02-24 | 2016-05-04 | 张日龙 | Building through-wall pipe |
| CN207010150U (en) * | 2017-06-30 | 2018-02-13 | 长园电力技术有限公司 | A kind of diameter adjustable sealing structure of cable penetration or poling |
-
2017
- 2017-06-30 CN CN201710521425.0A patent/CN107196255A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19649499A1 (en) * | 1996-11-29 | 1998-06-04 | Hauff Technik Gmbh & Co Kg | Gland for passing cables and pipelines through wall |
| CN104976436A (en) * | 2014-04-01 | 2015-10-14 | 天津市丙申网络科技有限公司 | Device for sealing and blocking wire through hole on wall or cabinet body |
| CN204068132U (en) * | 2014-08-28 | 2014-12-31 | 上海置信电气非晶有限公司 | A kind of cable reducer seal become for intelligent box |
| CN105546225A (en) * | 2016-02-24 | 2016-05-04 | 张日龙 | Building through-wall pipe |
| CN207010150U (en) * | 2017-06-30 | 2018-02-13 | 长园电力技术有限公司 | A kind of diameter adjustable sealing structure of cable penetration or poling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054703A (en) * | 2017-12-27 | 2018-05-18 | 上海策元实业有限公司 | A kind of plugging structure for cable hole |
| CN113611464A (en) * | 2021-07-27 | 2021-11-05 | 贵州电网有限责任公司 | Porcelain bushing device with good water resistance |
| CN114006329A (en) * | 2021-11-02 | 2022-02-01 | 国网上海市电力公司 | Cable variable-diameter sealing piece water-blocking flange |
| CN114006329B (en) * | 2021-11-02 | 2024-05-03 | 国网上海市电力公司 | Cable variable diameter sealing member flange that blocks water |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |