CN204559064U - A kind of cable duct tube - Google Patents
A kind of cable duct tube Download PDFInfo
- Publication number
- CN204559064U CN204559064U CN201520241599.8U CN201520241599U CN204559064U CN 204559064 U CN204559064 U CN 204559064U CN 201520241599 U CN201520241599 U CN 201520241599U CN 204559064 U CN204559064 U CN 204559064U
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- glass layer
- layer
- outer glass
- resilient coating
- cable duct
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Abstract
The utility model embodiment discloses a kind of cable duct tube, comprises CPVC inner covering, interior glass layer, outer glass fiber composite and protective layer, and wherein said outer glass fiber composite comprises resilient coating and outer glass layer; The inwall of described CPVC inner covering is surrounded as the cable duct tube inner chamber of hollow, described interior glass layer is wrapped in the periphery of described CPVC inner covering, described resilient coating is wrapped in the periphery of described interior glass layer, described outer glass layer is wrapped in the periphery of described resilient coating, described protective layer is wrapped in the periphery of described outer glass layer, the wall close contact of adjacent layer; Resilient coating in CPVC inner covering and outer glass fiber composite, effectively absorb the ess-strain that outer glass layer bears, and the adhesiveness of resilient coating can control glass layer deformational displacement, thus prevents from the stress of glass layer from concentrating ftractureing; The effective insulating glass fibrage of overcoat and external environment, prevent that external environment from corroding and the tubing that causes is aging.
Description
Technical field
The utility model relates to power pipe technical field, particularly relates to a kind of cable duct tube of composite material.
Background technology
Usually all use the buried mode of sleeve pipe when cable laying, utilize the cable of sleeve pipe to its inside to guide and protect.Domestic conventional sleeve pipe has steel pipe, plastic-coated steel, pipe of cement, plastic tube, glass reinforced plastic pipe and steel-plastics composite pipe etc.Wherein steel-plastics composite pipe has the advantages such as intensity is high, corrosion-resistant, insulation, construction saving convenience, long service life, applies widely in cable laying.
In prior art, steel-plastics composite pipe generally comprises the glass layer of reinforcement, and glass layer adopts computer-controlled winding process to be wrapped on body usually, carrys out the intensity of reinforcing sleeve.In manufacture and use procedure, unavoidable glass layer surface can produce crack, the erosion of external environment, can cause the aging loss of glass fibre, finally causes the aging corrosion of glass layer; And the stress ability of bearing of glass layer itself is poor, when meeting with extraneous collision, as weight extruding, the damage of glass layer can be caused too, thus threatening the safety of internal power cable further.
Therefore, how preventing the holding capacity of the aging of glass layer and raising glass layer, is the current technical problem needing solution badly.
Utility model content
The utility model embodiments provides a kind of cable duct tube, and to solve the easily aging and low holding capacity of glass layer of the prior art, in order to solve the problems of the technologies described above, the utility model embodiment discloses following technical scheme:
The utility model embodiment discloses a kind of cable duct tube, comprises CPVC (Chlorinated PolyvinylChloride, chliorinated polyvinyl chloride) inner covering, interior glass layer, outer glass fiber composite and protective layer; Wherein,
The hollow-core construction that the inwall of described CPVC inner covering surrounds is cable duct tube inner chamber, and described interior glass layer is wrapped in the periphery of described CPVC inner covering, and the inwall of described interior glass layer contacts with the outer wall of described CPVC inner covering;
Described outer glass fiber composite comprises resilient coating and outer glass layer; Described outer glass layer is wrapped in the periphery of described resilient coating, and the inwall of described outer glass layer contacts with the outer wall of described resilient coating;
Described protective layer is wrapped in the periphery of described outer glass fiber composite, and the inwall of described protective layer contacts with the outer wall of described outer glass fiber composite.
Preferably, described outer glass fiber composite comprises the resilient coating of multilayer and outer glass layer, and the number of plies of described resilient coating and described outer glass layer is equal;
Preferably, described outer glass fiber composite from the inside to the outside, starts with described resilient coating, terminates with described outer glass layer, and described resilient coating and described outer glass layer are alternately distributed, and described resilient coating and described outer glass layer wall close contact.
Preferably, described resilient coating is resin sand pulp layer.
Preferably, described protective layer comprises flame-retardant layer and anticorrosive coat, and described flame-retardant layer is wrapped in the periphery of described outer glass fiber composite, and the inwall of described flame-retardant layer contacts with the outer wall of described outer glass fiber composite; Described anticorrosive coat is wrapped in the periphery of described flame-retardant layer, and the inwall of described anticorrosive coat contacts with the outer wall of described flame-retardant layer.
Preferably, the thickness of described CPVC inner covering is 3-6mm.
Preferably, the thickness of described interior glass layer is 1-2mm.
Preferably, the thickness of described resilient coating is 0.5-1.5mm, and the thickness of described outer glass layer is 1-5mm.
Preferably, the thickness of described anticorrosive coat is 0.5-1.5mm.
From above technical scheme, the cable duct tube that the utility model embodiment provides comprises CPVC inner covering from the inside to the outside, interior glass layer, outer glass fiber composite and protective layer.CPVC is chliorinated polyvinyl chloride, and its material itself has good flexibility, can alleviate the stress produced because of deformation from interior glass layer, prevents it from ftractureing; Outer glass fiber composite comprises resilient coating and outer glass layer, is interposed between in the middle of glass layer between resilient coating passes through, and can absorb the fibrolaminar distortional stress of institute's separation glass, thus prevents glass fibre ply stress from concentrating cracking; And resilient coating bonds interior glass layer and outer glass layer, control the deformational displacement of glass layer, prevent it from ftractureing further, thus improve the holding capacity of glass layer.Outermost protective layer, has isolated outermost layer glass layer and external environment, effectively prevents glass layer to be subject to the erosion of outside air, moisture etc., avoids the aging of glass layer.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The cross-sectional cut-away schematic diagram of a kind of cable duct tube that Fig. 1 provides for the utility model embodiment;
The axial cross-sectional schematic of a kind of cable duct tube that Fig. 2 provides for the utility model embodiment;
The cross-sectional cut-away schematic diagram of the another kind of cable duct tube that Fig. 3 position the utility model embodiment provides;
The axial cross-sectional schematic of the another kind of cable duct tube that Fig. 4 provides for the utility model embodiment;
In Fig. 1-4, symbol is expressed as:
1-cable duct tube inner chamber, 2-CPVC inner covering, glass layer in 3-, 4-resilient coating, the outer glass layer of 5-, 6-flame-retardant layer, 7-anticorrosive coat, 8-second resilient coating, the outer glass layer of 9-second.
Embodiment
Technical scheme in the utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model embodiment protection.
See Fig. 1, be a kind of cable duct tube cross-sectional cut-away schematic diagram that the utility model embodiment provides, in addition also can see Fig. 2, the axial cross-sectional schematic that a kind of cable provided for the utility model embodiment is led, this cable duct tube comprises:
CPVC inner covering 2, the hollow-core construction that the inwall of this CPVC inner covering 2 surrounds into is cable duct tube inner chamber 1, and cable passes from described cable duct tube inner chamber 1; CPVC inner covering 2 is chlorinated polyvinyl chloride layer, has good flexibility, effectively can cushion the stress from interior glass layer 3; And CPVC inner covering 2 wear resistence is strong, has smooth inwall, effectively can protect interior glass layer 3, prevent the wearing and tearing of the internal glass layer 3 of cable passed from cable duct tube inner chamber 1; Preferably, in the present embodiment, the thickness of described CPVC inner covering 2 is 3-6mm.
Interior glass layer 3, is wrapped in the periphery of CPVC layer 2, because glass fibre material has good rigidity and intensity, for improving the intensity of cable duct tube; Preferably, in the present embodiment, the thickness of described interior glass layer is 1-2mm.
Outer glass fiber composite, comprises buffering 4 and outer glass layer 5; Resilient coating 4 is between interior glass layer 3 and outer glass layer 5, resilient coating 4 is wrapped in interior glass layer 3 periphery, the inwall of resilient coating 4 contacts with the outer wall of interior glass layer 3, outer glass layer 5 is wrapped in the periphery of resilient coating 4, and the inwall of outer glass layer 5 contacts with the outer wall of resilient coating 4;
Wherein, in the cable duct tube that the present embodiment provides, described resilient coating 4 is resin sand pulp layer; Because resin sand pulp layer has good flexibility, the ess-strain from interior glass layer 3 and outer glass layer 5 effectively can be absorbed; And resin sand pulp layer well can bond interior glass layer 3 and outer glass layer 5, the deformation that in controlling, glass layer 3 and outer glass layer 5 stress produce, prevents it from producing fracture; Resin sand pulp layer has good axial stress characteristic in addition, enables cable duct tube bear larger pulling force, thus improves the intensity of cable duct tube; Outer glass layer 5 also can increase effective glass fibre layer thickness of cable duct tube, thus provides higher strength and stiffness for cable duct tube; Preferably, in the present embodiment, the thickness of described resin sand pulp layer is 0.5-1.5mm, and the thickness of described outer glass layer 5 is 1-5mm.
Protective layer, mainly for the protection of the endothecium structure of cable duct tube, such as this protective layer is anticorrosive coat, and anticorrosive coat is epoxide resin material; But protective layer is not limited to the anticorrosive coat described in above-described embodiment, can also comprise other, as watertight composition or flame-retardant layer etc., and protective layer is also not limited to monolayer material, can also comprise its combination.
In the present embodiment, protective layer comprises flame-retardant layer 6 and anticorrosive coat 7; Flame-retardant layer 6 is conventional fire proofing, and preferably, adulterate talcum powder in unsaturated polyester mortar; Anticorrosive coat 7 is conventional anti-corrosion material, and preferably adulterate antiultraviolet material in unsaturated polyester mortar; Protective layer effectively can completely cut off outside chemical substance and moisture, prevents external environment to the erosion damage of the glass layer in it, avoids the aging loss of glass layer; Anticorrosive coat 7, preferably, also adulterate antiultraviolet material, effectively prevents the performance degradation of cable duct tube in solar exposure situation; Preferably, in the present embodiment, the thickness of anticorrosive coat is 0.5-1.5mm.
In the utility model embodiment, above involved thickness range is preferable range and non-stationary ranges, and certainly, thickness range can exceed above-mentioned preferable range.
See Fig. 3, for the cross-sectional cut-away schematic diagram of the another kind of cable duct tube that the utility model embodiment provides, in addition also can referring to Fig. 4, for the axial cross-sectional schematic of the another kind of cable duct tube that the utility model embodiment provides, as shown in the figure, this cable duct tube comprises CPVC inner covering 2, interior glass layer 3, outer glass fiber composite and protective layer from inside to outside successively; Wherein, outer glass fiber composite comprises resilient coating 4 and outer glass layer 5, second resilient coating 8 and the second outer glass layer 9; Protective layer comprises flame-retardant layer 6 and anticorrosive coat 7.
In the cable duct tube that the embodiment of the application provides, compared with the cable duct tube of above-described embodiment, outer glass fiber composite adds the second resilient coating 8 and the second outer glass layer 9, be specially, the inwall of the CPVC inner covering 2 of this cable duct tube forms hollow-core construction, be cable duct tube inner chamber 1, interior glass layer 3 is wrapped in the periphery of CPVC inner covering 2, resilient coating 4 is wrapped in the periphery of interior glass layer 3, outer glass layer 5 is wrapped in the periphery of resilient coating 4, second resilient coating 8 is wrapped in the periphery of outer glass layer 5, second outer glass layer 9 is wrapped in the periphery of the second resilient coating 8, flame-retardant layer 6 is wrapped in the periphery of the second outer glass layer 9, anticorrosive coat 7 is wrapped in the periphery of flame-retardant layer 6, and CPVC inner covering 2 contacts with each other with anticorrosive coat 7 with flame-retardant layer 6, flame-retardant layer 6 with glass layer 5, glass layer 5 and the second resilient coating 8, second resilient coating 8 and the outer glass layer 9 of the second outer glass layer 9, second with resilient coating 4, resilient coating 4 with interior glass layer 3, interior glass layer 3.Wherein, preferably, resilient coating 4 and the second resilient coating 8 are resin sand pulp layer.Preferably, the thickness of described second resilient coating is 0.5-1.5mm, and the thickness of described second outer glass layer 9 is 1-5mm.In the present embodiment, described outer glass fiber composite comprises two buffer layer and two-layer outer glass layer, the number of plies of the resilient coating included by outer glass fiber composite and outer glass layer is not limited to the number of plies in the present embodiment, and its number of plies can be one deck or any multilayer certainly.In the present embodiment, same section referring to the description of other parts of above-described embodiment, can not repeat them here.
Adopt the cable duct tube that the present embodiment provides, by arranging the second resilient coating 8 and the second outer glass layer 9, second resilient coating 8 has better cushioned the effect of outer glass layer 5 and the second outer glass layer 9 stress, strengthen the protection of external glass layer 5, prevent because extraneous stress is too large and cause the stress of glass layer to concentrate cracking; And outer glass fiber composite is composited by the axial cross-level of multilayer and multilayer hoop layer, further enhancing axial strength and the hoop intensity of this cable duct tube, meets the demand of severe natural environment to cable duct tube intensity.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only embodiment of the present utility model, those skilled in the art is understood or realizes the utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a cable duct tube, is characterized in that, comprising: CPVC inner covering (2), interior glass layer (3), outer glass fiber composite and protective layer; Wherein,
The hollow-core construction that the inwall of described CPVC inner covering (2) surrounds is cable duct tube inner chamber (1), described interior glass layer (3) is wrapped in the periphery of described CPVC inner covering (2), and the inwall of described interior glass layer (3) contacts with the outer wall of described CPVC inner covering (2);
Described outer glass fiber composite comprises resilient coating (4) and outer glass layer (5); Described outer glass layer (5) is wrapped in the periphery of described resilient coating (4), and the inwall of described outer glass layer (5) contacts with the outer wall of described resilient coating (4);
Described protective layer is wrapped in the periphery of described outer glass fiber composite, and the inwall of described protective layer contacts with the outer wall of described outer glass fiber composite.
2. cable duct tube according to claim 1, is characterized in that:
Described outer glass fiber composite comprises resilient coating (4) and the outer glass layer (5) of multilayer, and the number of plies of described resilient coating (4) and outer glass layer (5) is equal;
Described outer glass fiber composite from the inside to the outside, start with described resilient coating (4), terminate with described outer glass layer (5), described resilient coating (4) and described outer glass layer (5) are alternately distributed, and described resilient coating (4) and described outer glass layer (5) wall close contact.
3. cable duct tube according to claim 1 and 2, is characterized in that, described resilient coating (4) is resin sand pulp layer.
4. cable duct tube according to claim 1, it is characterized in that, described protective layer comprises flame-retardant layer (6) and anticorrosive coat (7), described flame-retardant layer (6) is wrapped in the periphery of described outer glass fiber composite, and the inwall of described flame-retardant layer (6) contacts with the outer wall of described outer glass fiber composite; Described anticorrosive coat (7) is wrapped in the periphery of described flame-retardant layer (6), and the inwall of described anticorrosive coat (7) contacts with the outer wall of described flame-retardant layer (6).
5. cable duct tube according to claim 1, is characterized in that, the thickness of described CPVC inner covering (2) is 3-6mm.
6. cable duct tube according to claim 1, is characterized in that, the thickness of described interior glass layer (3) is 1-2mm.
7. cable duct tube according to claim 1 and 2, is characterized in that, the thickness of described resilient coating (4) is 1-5mm, and the thickness of described outer glass layer (5) is 2-5mm.
8. cable duct tube according to claim 4, is characterized in that, the thickness of described anticorrosive coat (7) is 0.5-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241599.8U CN204559064U (en) | 2015-04-21 | 2015-04-21 | A kind of cable duct tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241599.8U CN204559064U (en) | 2015-04-21 | 2015-04-21 | A kind of cable duct tube |
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| Publication Number | Publication Date |
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| CN204559064U true CN204559064U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520241599.8U Expired - Fee Related CN204559064U (en) | 2015-04-21 | 2015-04-21 | A kind of cable duct tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199882A (en) * | 2016-09-21 | 2016-12-07 | 太仓市晨洲塑业有限公司 | A kind of fire-resistant optical cable protection pipe |
| CN112750556A (en) * | 2020-12-22 | 2021-05-04 | 江苏乾锦塑业科技有限公司 | High-temperature-resistant CPVC cable protection insulating pipe and production process thereof |
-
2015
- 2015-04-21 CN CN201520241599.8U patent/CN204559064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199882A (en) * | 2016-09-21 | 2016-12-07 | 太仓市晨洲塑业有限公司 | A kind of fire-resistant optical cable protection pipe |
| CN112750556A (en) * | 2020-12-22 | 2021-05-04 | 江苏乾锦塑业科技有限公司 | High-temperature-resistant CPVC cable protection insulating pipe and production process thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20210421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |