CN104779572A - Inflatable sealing equipment for power pipeline as well as production method - Google Patents
Inflatable sealing equipment for power pipeline as well as production method Download PDFInfo
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- CN104779572A CN104779572A CN201510170157.3A CN201510170157A CN104779572A CN 104779572 A CN104779572 A CN 104779572A CN 201510170157 A CN201510170157 A CN 201510170157A CN 104779572 A CN104779572 A CN 104779572A
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- sealing bag
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Abstract
The invention relates to the technical field of pipeline sealing equipment, in particular to inflatable sealing equipment for a power pipeline as well as a production method. The inflatable sealing equipment comprises an inflatable sealing bag which comprises a sealing bag body, wherein the sealing bag body comprises a flexible metal surface layer and a plurality of high polymer material layers, and a cavity is formed in the flat sealing bag body; high-temperature-resisting waterproof adhesive pieces forming an integral structure with the sealing bag body are composited on two sides of the surface of the sealing bag body; an inflation port is formed in one end of the sealing bag body and contains a self-filling colloid material. The inflatable sealing equipment adopts a flexible blocking technology and provides complete waterproof sealing for the pipeline, has a three-stage fireproof function and the function of prevention of invasion of small animals, and protects maintenance of secondary lines of a substation effectively; further, by means of the inflation port structure filled with the colloid material, cables in the pipeline can be protected and sealed more sufficiently, and the service life is prolonged.
Description
[technical field]
The present invention relates to seal for pipe joints equipment technical field, be specifically related to a kind of gas-filled type power pipe water-tight equipment and production method.
[background technology]
Current China adopts the material shutoff power pipes such as cement for buried cable, the shortcoming of this way can lose waterproof effect because expanding with heat and contract with cold cracking between material and pipeline, make to change in the future and first will draw water and could construct, cable carries out the operations such as maintenance and will destroy seal for pipe joints in addition, need reseal; So just waste a large amount of manpower and materials.Authorization Notice No. is that the Chinese invention of CN204167851U discloses a kind of cable inflatable pipeline sealing device, feature arranges inflatable seal band, inflatable seal band forms a closed flat-shaped body by hollow belt, the waterproof film forming integrative-structure with band is had in the surface recombination of described inflatable seal band, and the gas-filled tube being provided with inflation inlet in one end of inflatable seal band and being communicated with described inflation inlet, be provided with inflation unidirectional valve in described inflation inlet.This invention adopts flexible blockage technology, can not cause physical damage to pipeline.But which employs the gas-filled tube protruded from beyond sealing device, easily cause obstacle after gassy and bring wearing and tearing, reduction of service life.
[summary of the invention]
The object of the invention is to the defect for prior art and deficiency, there is provided a kind of structure simple, a kind of gas-filled type power pipe water-tight equipment reasonable in design, easy to use and production method, it adopts flexible blockage technology, it can not cause physical damage to pipeline, only the shutoff again of Puffer-type electric power sealing bag need be used, various plastic cement can be given, iron, steel, the pipelines such as concrete provide waterproof sealing completely, and have three grades of fire prevention, prevent the function that toy is invaded, effectively protect the maintenance of substation secondary circuit; And have employed the gas injection port structure that oneself is filled with colloidal materials outward, after adopting the gas-filled type power pipe water-tight equipment inflation of this structure, pipeline inner cable can be made to be protected more fully and seal, increase the service life.
A kind of gas-filled type power pipe water-tight equipment of the present invention and production method, it comprises a gas formula sealing bag body, described gas formula sealing bag body comprises a sealing bag, described sealing bag is made up of soft metal surface and some polymer material layers, described sealing bag is flat-shaped body, is provided with cavity in it; The surperficial both sides of described sealing bag are compounded with the high temperature resistant waterproof film into a single integrated structure with the sealing bag bodily form; One end of described sealing bag is provided with inflation inlet, containing the colloidal materials that oneself fills in this inflation inlet;
It adopts following making step:
1) plastic pellet banbury is stirred and evenly mixed, form mixing just material;
2) mixing in step one is just expected send in inflation film manufacturing machine, with inflation film manufacturing machine the material of mixing, be blow molded into raw material film;
3) by the raw material film press in step 2 and adhesive, the raw material film blown and aluminium film, composite membrane is pressed into;
4) the composite membrane made by size cutting, form composite membrane base;
5) the composite membrane base cut, be pressed into the inflatable seal bag of flat-shaped body with hot press, the both sides of this inflatable seal bag are compounded with high temperature resistant waterproof film, adopt hot press compacting one-body molded;
6) in the inflation inlet of inflatable seal bag, fill out the colloidal materials being provided with oneself and filling, form gas formula sealing bag finished product.
Further, the soft metal surface (11) of described sealing bag (1) is provided with wearing layer.
Further, described sealing bag (1) inwall arranges and is coated with Waterproof glue line.
After adopting said structure, beneficial effect of the present invention is: a kind of gas-filled type power pipe water-tight equipment of the present invention and production method, and it adopts flexible blockage technology, and it can not cause physical damage to pipeline, only the shutoff again of Puffer-type electric power sealing bag need be used, can various plastic cement be given, iron, steel, the pipelines such as concrete provide waterproof sealing completely, and there are three grades of fire prevention, prevent the function that toy is invaded, effectively protect the maintenance of substation secondary circuit; And have employed the gas injection port structure that oneself is filled with colloidal materials outward, after adopting the gas-filled type power pipe water-tight equipment inflation of this structure, pipeline inner cable can be made to be protected more fully and seal, increase the service life.
[accompanying drawing explanation]
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, but does not form inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is the deployed condition structural representation of sealing bag of the present invention;
Fig. 2 is the schematic cross-section after sealing bag of the present invention inflation.
Description of reference numerals:
1, bag is sealed; 11, soft metal surface; 12, polymer material layer; 2, high temperature resistant waterproof film; 3, inflation inlet; 4, colloidal materials.
[embodiment]
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples wherein and explanation are only used for explaining the present invention, but not as a limitation of the invention.
As shown in Figure 1 and Figure 2, a kind of gas-filled type power pipe water-tight equipment described in this embodiment and production method, it comprises a gas formula sealing bag body, described gas formula sealing bag body comprises a sealing bag 1, described sealing bag 1 is made up of soft metal surface 11 and some polymer material layers 12, described sealing bag 1 is flat-shaped body, is provided with cavity in it; The surperficial both sides of described sealing bag 1 are compounded with and the high temperature resistant waterproof film 2 sealing bag 1 and formed integrative-structure; One end of described sealing bag 1 is provided with inflation inlet 3, the colloidal materials 4 of filling containing oneself in this inflation inlet 3;
It adopts following making step:
1) plastic pellet banbury is stirred and evenly mixed, form mixing just material;
2) mixing in step one is just expected send in inflation film manufacturing machine, with inflation film manufacturing machine the material of mixing, be blow molded into raw material film;
3) by the raw material film press in step 2 and adhesive, the raw material film blown and aluminium film, composite membrane is pressed into;
4) the composite membrane made by size cutting, form composite membrane base;
5) the composite membrane base cut, be pressed into the inflatable seal bag of flat-shaped body with hot press, the both sides of this inflatable seal bag are compounded with high temperature resistant waterproof film, adopt hot press compacting one-body molded;
6) in the inflation inlet of inflatable seal bag, fill out the colloidal materials being provided with oneself and filling, form gas formula sealing bag finished product.
Preferred as one of the present invention, the soft metal surface (11) of described sealing bag (1) is provided with wearing layer.
Preferred as one of the present invention, described sealing bag (1) inwall arranges and is coated with Waterproof glue line.
Operation principle of the present invention is as follows: gas formula sealing bag body is made up of soft metal (being generally aluminium film) and layer high molecule material, both sides are with resistant to elevated temperatures waterproof film, when inflation, (gas be filled with is normal air, source of the gas can be common air compressor machine or 12V power supply inflator pump or carbon dioxide steel cylinder) air pressure is when reaching 45psi (3bar), both sides film can be close to inner-walls of duct and cable, arrives complete waterproof.Inflation gas port includes the colloidal materials that oneself fills, Leakage Gas when preventing gas-filled tube from extracting out.Pipeline inner cable is so just made to be adequately protected and seal.
The present invention in use, seals the carrying out of power pipe, carries out according to the following steps:
1), clean electric power inner surface of pipeline, the wet cloth of suggestion cleans;
2) protection sheet of inflatable seal bag outside, is torn off, the inflatable seal bag of flat-shaped body is rolled and the sealing bag rolled is sent into cable, sealing bag is provided with one end of inflation inlet towards pipeline oral area, along cable by the sealing bag rolled with the form sliding inlet pipe road unreeled, until entire volume sealing bag is decontroled in flat-shaped body completely; If be provided with two cables in pipeline, also aeration zone is unreeled propelling along cable, but along the cable that diameter is larger, sealing bag need be extended in pipeline;
4), by one end of air tube insert inflation inlet, the air tube other end is communicated with source of the gas;
5), to sealing bag inner chamber inflate, until the air pressure in sealing bag reaches 3.Mpa, make the pressure in sealing bag keep this numerical value to be no less than 30 seconds, pull out gas-filled tube, power pipe has sealed.
If the present invention needs recovery cable, then the method for dismounting of sealing bag and step as follows:
1) inflation inlet is inserted in one end of air tube, make the gas light leak of sealing bag, continue with screwdriver, sealing bag to be separated with power pipe wall;
2) with pliers, sealing bag is taken out by pipeline;
3) removed, the step resealed is see above-mentioned encapsulating method and step.
Advantage of the present invention is as follows:
1) install fast convenient;
2) blank pipe and multi-cable all can be applied;
3) remove easy, and without hindering cable and pipeline;
4) PVC, PE, C-PVC, iron, steel pipe and various pipeline is applicable to;
5) pipeline that kind easy to carry, a small amount of both can be applicable to various sizes is transported;
6) strict environment (salt, bacterium, white ants chemically corrosive deposit) can be resisted;
7) more than 30 years useful life.
A kind of gas-filled type power pipe water-tight equipment of the present invention and production method, it adopts flexible blockage technology, it can not cause physical damage to pipeline, only need use the shutoff again of Puffer-type electric power sealing bag, can give various plastic cement, iron, steel, the pipelines such as concrete provide waterproof sealing completely, and have three grades of fire prevention, prevent the function that toy is invaded, effectively protect the maintenance of substation secondary circuit; And have employed the gas injection port structure that oneself is filled with colloidal materials outward, after adopting the gas-filled type power pipe water-tight equipment inflation of this structure, pipeline inner cable can be made to be protected more fully and seal, increase the service life.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (3)
1. a gas-filled type power pipe water-tight equipment and production method, it is characterized in that: it comprises a gas formula sealing bag body, described gas formula sealing bag body comprises a sealing bag (1), described sealing bag (1) is made up of soft metal surface (11) and some polymer material layers (12), described sealing bag (1) is flat-shaped body, is provided with cavity in it; The surperficial both sides of described sealing bag (1) are compounded with and the high temperature resistant waterproof film (2) sealing bag (1) and formed integrative-structure; One end of described sealing bag (1) is provided with inflation inlet (3), containing the colloidal materials (4) that oneself fills in this inflation inlet (3);
It adopts following making step:
1) plastic pellet banbury is stirred and evenly mixed, form mixing just material;
2) mixing in step one is just expected send in inflation film manufacturing machine, with inflation film manufacturing machine the material of mixing, be blow molded into raw material film;
3) by the raw material film press in step 2 and adhesive, the raw material film blown and aluminium film, composite membrane is pressed into;
4) the composite membrane made by size cutting, form composite membrane base;
5) the composite membrane base cut, be pressed into the inflatable seal bag of flat-shaped body with hot press, the both sides of this inflatable seal bag are compounded with high temperature resistant waterproof film, adopt hot press compacting one-body molded;
6) in the inflation inlet of inflatable seal bag, fill out the colloidal materials being provided with oneself and filling, form gas formula sealing bag finished product.
2. gas-filled type power pipe water-tight equipment and a production method, is characterized in that: the soft metal surface (11) of described sealing bag (1) is provided with wearing layer.
3. gas-filled type power pipe water-tight equipment and a production method, is characterized in that: described sealing bag (1) inwall arranges and is coated with Waterproof glue line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170157.3A CN104779572A (en) | 2015-04-10 | 2015-04-10 | Inflatable sealing equipment for power pipeline as well as production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170157.3A CN104779572A (en) | 2015-04-10 | 2015-04-10 | Inflatable sealing equipment for power pipeline as well as production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104779572A true CN104779572A (en) | 2015-07-15 |
Family
ID=53620885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170157.3A Pending CN104779572A (en) | 2015-04-10 | 2015-04-10 | Inflatable sealing equipment for power pipeline as well as production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104779572A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846391A (en) * | 2016-05-03 | 2016-08-10 | 张祖均 | Inflatable cable plugging bag |
| CN106992489A (en) * | 2017-05-11 | 2017-07-28 | 嘉兴之电高压电气有限公司 | A kind of inflatable power pipe water-tight equipment and production method |
| CN108982020A (en) * | 2016-10-13 | 2018-12-11 | 青岛联合智造科技有限公司 | Device for detecting leak point inside power engineering cable laying pipeline |
-
2015
- 2015-04-10 CN CN201510170157.3A patent/CN104779572A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 张振华: "导电聚乙烯薄膜研制", 《黎明化工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846391A (en) * | 2016-05-03 | 2016-08-10 | 张祖均 | Inflatable cable plugging bag |
| CN108982020A (en) * | 2016-10-13 | 2018-12-11 | 青岛联合智造科技有限公司 | Device for detecting leak point inside power engineering cable laying pipeline |
| CN106992489A (en) * | 2017-05-11 | 2017-07-28 | 嘉兴之电高压电气有限公司 | A kind of inflatable power pipe water-tight equipment and production method |
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Application publication date: 20150715 |