CN209658795U - A kind of MPP bellows - Google Patents
A kind of MPP bellows Download PDFInfo
- Publication number
- CN209658795U CN209658795U CN201821821844.2U CN201821821844U CN209658795U CN 209658795 U CN209658795 U CN 209658795U CN 201821821844 U CN201821821844 U CN 201821821844U CN 209658795 U CN209658795 U CN 209658795U
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- CN
- China
- Prior art keywords
- tube body
- layer
- insulating layer
- outside
- corrugated outer
- Prior art date
- 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.)
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Diaphragms And Bellows (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A kind of MPP bellows; including interior tube body and corrugated outer tube body; said inner tube body is embedded at the inside of corrugated outer tube body; insulating layer, magnetic shield, the preserving timber bed of material and flame-retardant layer are successively arranged between said inner tube body and corrugated outer tube body; the inner wall of said inner tube body is additionally provided with enhancement layer; the insulating layer is coated on the outside of interior tube body and insulating layer is made of asbestos material; the magnetic shield is that metal foil film roll overlays on the outside of insulating layer, and the outside of the corrugated outer tube body coats matcoveredn and anticorrosive paint layer from the inside to the outside.The advantageous effects of the utility model are: in the technical solution of the utility model, being equipped with insulating layer made of asbestos material, improve the thermal insulation property of MPP bellows, also can be used normally in the case where temperature is low；Equipped with magnetic shield, it is possible to prevente effectively to the influence of cable transmission performance under electromagnetic interference environment；Equipped with the preserving timber bed of material and anticorrosive paint layer, enhances the antiseptic property of MPP bellows, prolong the service life.
Description
Technical field
The utility model relates to cable tube production fields, and in particular to a kind of MPP bellows.
Background technique
MPP pipe is also known as MPP power cable protecting pipe, is divided into digging type and no-dig technique type, MPP no-dig technique pipe is also referred to as MPP
Push pipe or support trombone slide.MPP pipe uses modified polypropene for main raw material(s).Have the characteristics that resistant to high temperatures, proof to external pressure, is suitable for
10kV or less high voltage transmission line cable duct bank tubing.
At this stage MPP pipe there are more defects, temperature is too low or acid and alkali-resistance corrosion resistance is poor, make pipeline be easy by
Corrosion and damage influences the insulating properties of cable tube, and the service life of cable tube is made to be affected.
Utility model content
In order to solve the problems, such as to be intended to provide a kind of heat preservation, anti-corrosion, service life for, the utility model in background technique
Long MPP bellows.
To achieve the above object, the utility model provides following technical solution: a kind of MPP bellows, including interior tube body
With corrugated outer tube body, said inner tube body is embedded at the inside of corrugated outer tube body, between said inner tube body and corrugated outer tube body successively
Equipped with insulating layer, magnetic shield, the preserving timber bed of material and flame-retardant layer, the inner wall of said inner tube body is additionally provided with enhancement layer, the guarantor
Warm layer is coated on the outside of interior tube body and insulating layer is made of asbestos material, and the magnetic shield is that metal foil film roll overlays on guarantor
On the outside of warm layer, the outside of the corrugated outer tube body coats matcoveredn and anticorrosive paint layer from the inside to the outside.
Further, said inner tube body is PE pipe.
Further, the thickness proportion of the insulating layer, magnetic shield, the preserving timber bed of material, flame-retardant layer and protective layer is
10:2:4:3:2。
Further, the flame-retardant layer is cementitious matter coating.
Further, the protective layer is linear epoxy paint layer.
Further, the anticorrosive paint layer is inorganic polymer anticorrosive paint layer
The advantageous effects of the utility model are: in the technical solution of the utility model, being made equipped with asbestos material
Insulating layer, improve the thermal insulation property of MPP bellows, also can be used normally in the case where temperature is low；Shield equipped with magnetism
Layer is covered, it is possible to prevente effectively to the influence of cable transmission performance under electromagnetic interference environment；Equipped with the preserving timber bed of material and anticorrosive paint
Layer enhances the antiseptic property of MPP bellows, prolongs the service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, interior tube body；2, insulating layer；3, magnetic shield；4, the preserving timber bed of material；5, flame-retardant layer；6, corrugated outer tube
Body；7, enhancement layer.
Specific embodiment
Below in conjunction with the attached drawing of the utility model, clear, complete description is carried out to the technical solution of the utility model,
Obviously, the embodiment described is only the utility model a part of the embodiment, instead of all the embodiments.It is practical new based on this
Embodiment in type, those of ordinary skill in the art's every other reality obtained without creative labor
Example is applied, the protection scope of the utility model is belonged to.
As shown in Figure 1, a kind of MPP bellows, including interior tube body 1 and corrugated outer tube body 6, said inner tube body 1 are PE pipe.
Said inner tube body 1 is embedded at the inside of corrugated outer tube body 6, between said inner tube body 1 and corrugated outer tube body 6 successively
Equipped with insulating layer 2, magnetic shield 3, the preserving timber bed of material 4 and flame-retardant layer 5, the flame-retardant layer 5 is cementitious matter coating.In described
The inner wall of tube body 1 is additionally provided with enhancement layer 7, and the enhancement layer 7 is linear epoxy paint layer.The insulating layer 2 is coated on interior tube body 1
Outside and insulating layer 2 be made of asbestos material, the magnetic shield 3 is that metal foil film roll overlays on the outside of insulating layer 3, described
The outside of corrugated outer tube body 6 coats matcoveredn and anticorrosive paint layer from the inside to the outside, and the anticorrosive paint layer is inorganic polymer
Anticorrosive paint layer.
In order to increase the insulation performance of MPP bellows, insulating layer, insulation are equipped between interior tube body 1 and corrugated outer tube body 6
Layer is set between flame-retardant layer 5 and corrugated outer tube body 6, and insulating layer is coated by ceramic particle coatings.
In order to increase the resistance to frost of MPP bellows, external in corrugated outer tube body 6 coats antifreezing dope layer.
The insulating layer 2, magnetic shield 3, the preserving timber bed of material 4, flame-retardant layer 5 and enhancement layer 7 thickness proportion be 10:2:
4:3:2。
The foregoing description of the disclosed embodiments is that those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments to one skilled in the art part thing it will be apparent that as defined herein general
Principle can be realized in other embodiments without departing from the scope of the invention.Therefore, the utility model will
It will not be limited and the embodiments shown herein, but it is consistent to accord with the principles and novel features disclosed herein
Widest scope.
Claims (6)
1. a kind of MPP bellows, it is characterised in that: including interior tube body (1) and corrugated outer tube body (6), said inner tube body (1) is embedded
Insulating layer (2), magnetism are successively arranged between the inside of corrugated outer tube body (6), said inner tube body (1) and corrugated outer tube body (6)
Shielded layer (3), the preserving timber bed of material (4) and flame-retardant layer (5), the inner wall of said inner tube body (1) are additionally provided with enhancement layer (7), the guarantor
Warm layer (2) is coated on the outside of interior tube body (1) and insulating layer (2) is made of asbestos material, and the magnetic shield (3) is metal
Film roll overlays on the outside of insulating layer (2), and the outside of the corrugated outer tube body (6) coats matcoveredn and anticorrosive paint from the inside to the outside
Layer.
2. a kind of MPP bellows as described in claim 1, it is characterised in that: said inner tube body (1) is PE pipe.
3. a kind of MPP bellows as described in claim 1, it is characterised in that: the insulating layer (2), magnetic shield (3),
The thickness proportion of the preserving timber bed of material (4), flame-retardant layer (5) and enhancement layer (7) is 10:2:4:3:2.
4. a kind of MPP bellows as described in claim 1, it is characterised in that: the flame-retardant layer (5) is cementitious matter coating.
5. a kind of MPP bellows as described in claim 1, it is characterised in that: the enhancement layer (7) is linear epoxy coating
Layer.
6. a kind of MPP bellows as described in claim 1, it is characterised in that: the anticorrosive paint layer is anti-for inorganic polymer
Rotten dope layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821844.2U CN209658795U (en) | 2018-11-06 | 2018-11-06 | A kind of MPP bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821844.2U CN209658795U (en) | 2018-11-06 | 2018-11-06 | A kind of MPP bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658795U true CN209658795U (en) | 2019-11-19 |
Family
ID=68506235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821821844.2U Active CN209658795U (en) | 2018-11-06 | 2018-11-06 | A kind of MPP bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658795U (en) |
-
2018
- 2018-11-06 CN CN201821821844.2U patent/CN209658795U/en active Active
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