CN110829313A - Embedded sealing sleeve for cable wall penetration and manufacturing method thereof - Google Patents
Embedded sealing sleeve for cable wall penetration and manufacturing method thereof Download PDFInfo
- Publication number
- CN110829313A CN110829313A CN201910917117.9A CN201910917117A CN110829313A CN 110829313 A CN110829313 A CN 110829313A CN 201910917117 A CN201910917117 A CN 201910917117A CN 110829313 A CN110829313 A CN 110829313A
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- CN
- China
- Prior art keywords
- sleeve
- cable
- water stop
- glass steel
- wall
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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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- 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
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- 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
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
Abstract
The invention relates to the technical field of buildings, in particular to an embedded sealing sleeve for cable wall penetration, which comprises a glass steel sleeve, a water stop ring, an oil hemp fire-proof cotton filling layer, a fire-proof daub filling layer, epoxy resin added with a fire-proof agent and a protective cap, wherein the water stop ring is fixed outside the glass steel sleeve and is divided into an inner water stop ring and an outer water stop ring, the glass steel sleeve and the inner water stop ring are embedded in a wall body, the outer water stop ring is positioned outside the wall body, a glue groove is formed between the outer water stop ring and the wall body, two ends of the glass steel sleeve are in threaded connection with the protective cap through threads, and the oil hemp fire-proof cotton filling layer, the fire-proof daub filling layer and the epoxy resin added with the fire-proof agent are filled between the inner part of the glass steel sleeve and. By adopting the embedded design, the concrete wall can be preset and formed at one time in the construction process, and the installation is convenient.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an embedded sealing sleeve for a cable wall and a manufacturing method thereof.
Background
Along with the application proportion of cable in the electric wire netting construction promotes fast, the construction technology that the cable is relevant is waited for improvement urgently, the waterproof shutoff of cable wall penetration becomes difficult point in the cable work progress, the cable wall bushing pipe is used more in the transformer substation construction process, but the shutoff mode that adopts in the present work progress exists the condition that is not standard, not scientific, arouses the seepage very easily, and then the quality problems appears, influences the safe and stable operation of cable, influences the stable in structure of transformer substation even.
Disclosure of Invention
The invention aims to overcome the defects of the technology and provides a method for manufacturing an embedded sealing sleeve for a cable through-wall.
In order to achieve the purpose, the invention adopts the following technical scheme: an embedded sealing sleeve for a cable through-wall is characterized in that: including glass steel sleeve, seal ring, oily numb silk fireproof cotton filling layer, fire prevention daub filling layer, add the epoxy and the protective cap of fire retardant, the seal ring is fixed glass steel sleeve's outside is divided into inside seal ring and outside seal ring, glass steel sleeve and inside seal ring are pre-buried in the wall body, outside seal ring be located the wall body the outside and rather than between be equipped with the gluey groove, the both ends of glass steel sleeve pass through the screw thread with protective cap threaded connection, fill from middle one side between the inside of glass steel sleeve and the cable have oily numb silk fireproof cotton filling layer, fire prevention daub filling layer, the epoxy of adding the fire retardant.
Preferably, the epoxy resin is sloped at the outer portion of the sleeve to form a tapered outcrop.
Preferably, the center of the protective cap is provided with a round hole, the periphery of the protective cap is provided with an operation hole, the periphery of the round hole is provided with an expansion type water stop, and the expansion type water stop is matched with the epoxy resin.
Preferably, the glue groove is filled with epoxy resin with a fire retardant.
A manufacturing method of an embedded sealing sleeve for a cable wall, which is characterized by comprising the following steps: the method comprises the following steps that firstly, the glass fiber reinforced plastic sleeve is processed according to a drawing, the glass fiber reinforced plastic sleeve is ensured to be complete and free of deformation, sand holes, cracks and the like, and embedded pre-embedding is completed in the concrete wall construction process;
straightening and fixing are well performed during cable wall penetrating construction, cleaning work of a sleeve is well performed before filling, impurity and dirt are avoided, the middle part (80-100mm) is filled with hemp fiber fireproof cotton in the aspect of filling, fireproof daub (50 mm at each end) is continuously filled outwards, epoxy resin is filled in the rest part to the outside of the sleeve, gradient treatment is performed, and the shape of the sleeve is similar to a conical exposed head;
and step three, wrapping the exposed head and the cable by using a waterproof adhesive tape, screwing the protective cap and the sleeve, and winding the hemp thread at the thread part to ensure the tightness.
And step four, after the protective cap is installed, filling the glue sealing groove with epoxy resin (added with a fireproof reagent), ensuring complete filling and enhancing the degree of adhesion with the wall body.
The invention has the beneficial effects that (1) the embedded design is adopted, the presetting and one-step forming can be completed in the concrete wall construction process, and the installation is convenient.
(2) The sealing sleeve is provided with two water stop rings, so that the tightness of combination with a wall body is enhanced, and the plugging effect is enhanced.
(3) The sealing rubber groove is arranged to further enhance the sealing performance between the sleeve and the wall surface.
(4) The sealing sleeve has a fireproof function, and the fireproof agent is added into the epoxy resin to form two layers of fireproof fillers, so that potential safety hazards are effectively avoided.
(5) The protective cap plays a role in protecting the sleeve and the filler thereof, resists external physical impact and has waterproof and fireproof performances.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the protective cap of the present invention.
Detailed Description
The following detailed description of the preferred embodiments will be made with reference to the accompanying drawings. As shown in fig. 1-2, an embedded sealing sleeve for cable wall penetration comprises a glass fiber reinforced plastic sleeve 1, a water stop ring, a hemp fiber fireproof cotton filling layer 2, a fireproof daub filling layer 3, an epoxy resin 4 added with a fireproof agent and a protective cap 5, wherein the water stop ring is fixed outside the glass fiber reinforced plastic sleeve and is divided into an inner water stop ring 6 and an outer water stop ring 7, the glass fiber reinforced plastic sleeve and the inner water stop ring are embedded in a wall body 8, the outer water stop ring is positioned outside the wall body and is provided with a glue groove 9 therebetween, two ends of the glass fiber reinforced plastic sleeve are in threaded connection with the protective cap through threads, and the hemp fiber fireproof cotton filling layer, the fireproof daub filling layer and the epoxy resin added with the fireproof agent are filled between the inside of the glass fiber reinforced plastic sleeve and a cable from one side of the middle part. The part of the epoxy resin outside the sleeve is subjected to gradient treatment to form a conical outcrop head. The center of the protective cap is provided with a round hole, the periphery of the protective cap is provided with an operation hole 10, the periphery of the round hole is provided with an expansion type water stop belt 11, and the expansion type water stop belt is matched with the epoxy resin. And epoxy resin with a fire retardant is filled in the glue groove. The embedded water sealing sleeve researched in the time is designed aiming at the insufficient sealing and water proofing of the through-wall hole in the through-wall construction of the cable with the voltage level of 35kV and above. Through the embedded design to sealed sleeve pipe, it can closely combine with the wall body, and the casing intussuseption technique can ensure that cable and sleeve pipe combine inseparabler, and the seepage problem can effectively be solved to good leakproofness, possesses good fire prevention function simultaneously.
The working principle is as follows: (1) the glass fiber reinforced plastic sleeve is processed according to a drawing, the glass fiber reinforced plastic material is recommended to be adopted, the integrity of the pipe body is ensured, no deformation, no sand hole, no crack and the like exist, and the pipe body is embedded in the concrete wall construction process.
(2) The wall thickness is considered according to 300mm, straightening and fixing are well carried out during cable wall penetrating construction, cleaning work of a sleeve is well carried out before filling, impurity pollution and the like are avoided, the middle part (80-100mm) is filled with fireproof cotton and hemp fibers in the aspect of filling, fireproof daub (50 mm at each end) is continuously filled outwards, and epoxy resin is filled into the rest part out of the sleeve and is subjected to gradient treatment, so that the cable is similar to a conical exposed head in shape. The filling type adopts surrounding type slow filling, so that thorough filling is ensured, and gaps and holes do not exist.
(3) And wrapping the exposed head and the cable by using a waterproof adhesive tape, screwing the protective cap and the sleeve, and winding the hemp thread at the thread part to ensure the tightness.
(4) After the protective cap is installed, the glue sealing groove is filled with epoxy resin (added with a fireproof reagent), so that the filling integrity is ensured, and the degree of adhesion with the wall body is enhanced.
(5) If necessary, the protective cap and the leakage part can be wrapped with fireproof wrapping belts.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An embedded sealing sleeve for a cable through-wall is characterized in that: including glass steel sleeve, seal ring, oily numb silk fireproof cotton filling layer, fire prevention daub filling layer, add the epoxy and the protective cap of fire retardant, the seal ring is fixed glass steel sleeve's outside is divided into inside seal ring and outside seal ring, glass steel sleeve and inside seal ring are pre-buried in the wall body, outside seal ring be located the wall body the outside and rather than between be equipped with the gluey groove, the both ends of glass steel sleeve pass through the screw thread with protective cap threaded connection, fill from middle one side between the inside of glass steel sleeve and the cable have oily numb silk fireproof cotton filling layer, fire prevention daub filling layer, the epoxy of adding the fire retardant.
2. The method of claim 1, wherein the epoxy resin is graded on the outer portion of the sleeve to form a tapered outcrop.
3. The method for manufacturing the embedded sealing sleeve for the cable wall penetration according to claim 1, wherein a round hole is formed in the center of the protective cap, an operation hole is formed in the periphery of the round hole, an expansion type water stop is arranged on the periphery of the round hole, and the expansion type water stop is matched with the epoxy resin.
4. The method for manufacturing the embedded sealing sleeve for the cable wall penetration according to claim 1, wherein the glue groove is filled with epoxy resin with a fire retardant.
5. A manufacturing method of an embedded sealing sleeve for a cable wall, which is characterized by comprising the following steps: the method comprises the following steps that firstly, the glass fiber reinforced plastic sleeve is processed according to a drawing, the glass fiber reinforced plastic sleeve is ensured to be complete and free of deformation, sand holes, cracks and the like, and embedded pre-embedding is completed in the concrete wall construction process;
straightening and fixing are well performed during cable wall penetrating construction, cleaning work of a sleeve is well performed before filling, impurity and dirt are avoided, the middle part (80-100mm) is filled with hemp fiber fireproof cotton in the aspect of filling, fireproof daub (50 mm at each end) is continuously filled outwards, epoxy resin is filled in the rest part to the outside of the sleeve, gradient treatment is performed, and the shape of the sleeve is similar to a conical exposed head;
and step three, wrapping the exposed head and the cable by using a waterproof adhesive tape, screwing the protective cap and the sleeve, and winding the hemp thread at the thread part to ensure the tightness.
And step four, after the protective cap is installed, filling the glue sealing groove with epoxy resin (added with a fireproof reagent), ensuring complete filling and enhancing the degree of adhesion with the wall body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917117.9A CN110829313A (en) | 2019-09-26 | 2019-09-26 | Embedded sealing sleeve for cable wall penetration and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917117.9A CN110829313A (en) | 2019-09-26 | 2019-09-26 | Embedded sealing sleeve for cable wall penetration and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110829313A true CN110829313A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910917117.9A Pending CN110829313A (en) | 2019-09-26 | 2019-09-26 | Embedded sealing sleeve for cable wall penetration and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110829313A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928713A (en) * | 2021-02-04 | 2021-06-08 | 华能（天津）煤气化发电有限公司 | Device for preventing cable from being burnt for torch platform |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204300520U (en) * | 2014-11-26 | 2015-04-29 | 丹东电力勘察设计院 | A kind of cable penetration sleeve structure |
| CN207518222U (en) * | 2017-11-21 | 2018-06-19 | 广州市盟凯电气科技有限公司 | A kind of electric power cabinet for being equipped with horn mouth waterproof threading connector |
| CN208369152U (en) * | 2018-07-19 | 2019-01-11 | 杭州南巡信息技术有限公司 | A kind of sleeve through walls for electric power cable arrangement |
| CN109296834A (en) * | 2018-11-30 | 2019-02-01 | 杨威 | A kind of wall bushing component |
| CN208548581U (en) * | 2018-07-02 | 2019-02-26 | 四川鑫龙宇电器有限责任公司 | A kind of box-type substation electric wire connecting junction |
| KR101954996B1 (en) * | 2018-08-07 | 2019-03-07 | 이경우 | A connector assembly for connecting a submarine through-wall cable and a method for manufacturing a female connector |
| CN109586218A (en) * | 2018-11-14 | 2019-04-05 | 安徽中科智链信息科技有限公司 | Electrical cable protection sleeve with waterproof construction |
-
2019
- 2019-09-26 CN CN201910917117.9A patent/CN110829313A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204300520U (en) * | 2014-11-26 | 2015-04-29 | 丹东电力勘察设计院 | A kind of cable penetration sleeve structure |
| CN207518222U (en) * | 2017-11-21 | 2018-06-19 | 广州市盟凯电气科技有限公司 | A kind of electric power cabinet for being equipped with horn mouth waterproof threading connector |
| CN208548581U (en) * | 2018-07-02 | 2019-02-26 | 四川鑫龙宇电器有限责任公司 | A kind of box-type substation electric wire connecting junction |
| CN208369152U (en) * | 2018-07-19 | 2019-01-11 | 杭州南巡信息技术有限公司 | A kind of sleeve through walls for electric power cable arrangement |
| KR101954996B1 (en) * | 2018-08-07 | 2019-03-07 | 이경우 | A connector assembly for connecting a submarine through-wall cable and a method for manufacturing a female connector |
| CN109586218A (en) * | 2018-11-14 | 2019-04-05 | 安徽中科智链信息科技有限公司 | Electrical cable protection sleeve with waterproof construction |
| CN109296834A (en) * | 2018-11-30 | 2019-02-01 | 杨威 | A kind of wall bushing component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928713A (en) * | 2021-02-04 | 2021-06-08 | 华能（天津）煤气化发电有限公司 | Device for preventing cable from being burnt for torch platform |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200221 |