CN103401191B - A kind of sand inclusion steel-plastic composite cable duct - Google Patents
A kind of sand inclusion steel-plastic composite cable duct Download PDFInfo
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- CN103401191B CN103401191B CN201310346845.1A CN201310346845A CN103401191B CN 103401191 B CN103401191 B CN 103401191B CN 201310346845 A CN201310346845 A CN 201310346845A CN 103401191 B CN103401191 B CN 103401191B
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Abstract
A kind of sand inclusion steel-plastic composite cable duct, comprises glass reinforced plastic pipe and establishes clamp sand pipe in the inner.Described clamp sand pipe comprises interior pipe and clamp-ons the quartz sand layer be made up of quartz sand particle of interior pipe extexine, and described quartz sand layer circumference is coated on interior pipe extexine and axially extends to two ends along interior pipe.The present invention adopts such scheme, and it sets up one deck quartz sand layer between interior pipe and glass reinforced plastic pipe, and glass reinforced plastic pipe and interior pipe can be made to be combined into as a whole closely, frictional force between interior pipe and glass reinforced plastic pipe increases greatly, avoids inner and outer pipes slippage, and mechanical property is good, intensity is high, corrosion resistant is heat-resisting, fire retardant insulating, anti-aging, both the advantage of fiberglass had been given full play to, turn avoid the shortcoming of not wear-resisting, the easy filoselle of fiberglass inwall, cable easily passes, and the situation avoiding stuck cable occurs.
Description
Technical field:
The present invention relates to a kind of sand inclusion steel-plastic composite cable duct.
Background technology:
Pipe material market being used as plastic cable protection has two large classes substantially, and one is thermoset plastics, and wherein based on GRP pipe, another kind is thermoplastics, based on PVC, polyethylene, PA tube.The pluses and minuses of the pipeline of this two large types of material are as follows:
The advantage in frp cable protective pipe road: (1) GRP pipe is lightweight, rigidity is high, resistance to compression and anti-settling ability strong; (2) conductive coefficient is large, good flame resistance, and when especially cable runs in underground for a long time, advantage is more obvious; (3) weather resisteant is good, and in-40 DEG C ~ 150 DEG C environment, service life can reach 50 years.Frp cable protective pipe road is still the preferred tubing of State Grid Corporation of China's modular design at present, but manufactures in a rough and slipshod way due to the defect of technique own and illegal producer, serves as without alkali product with high alkali product; the factor such as to adulterate; its quality is uneven, cannot stand the friction of traction steel wire, scuffing when wearing cable, result in glass fibre delamination; glass fibre is caused to be entangled on cable; twine more and more, can not advance, can not retreat; cause wearing cable failure, the object that safety wears cable can not be realized.
The advantage of the thermoplastic pipes such as PVC, polypropylene, polyethylene is a lot, and be applied in cable protection field, outstanding feature is exactly that electrical insulating property is good, inwall is more wear-resisting, easy cabling, and the phenomenon of stuck cable can not be caused to occur.Thermoplastic tubing is tubing more common on market above, respectively has pluses and minuses, but the requirement in distance market is mutually far short of what is expected.
At present, market is needed a kind of heat-resisting, high-strength, lightweight, corrosion resistant, fire-retardant, inner wall smooth and cable protection pipe economical and practical again badly.Market once there is a kind of advantage utilizing thermoplastic and thermosets combination, fiberglass and polypropylene are carried out the composite cable protection pipe of organic assembling, but, what it was taked just simply makes outer tube by fiberglass, polypropylene manages the way directly combined in doing, because thermoplastics is the very typical non-polar crystalline material of one, surface tension is lower, shrinkage is large, creep-resistant property is poor, product size poor stability, easy generation buckling deformation, be difficult to be attached together with other materials, cause in the middle of the tubing of two kinds of materials and occur gap, even in the process of trailing cable, interior pipe can be given and haul out, do not reach the object of market demands.Afterwards, through repeatedly developing, by intermediate adhesive layer, the tubing of two kinds of unlike materials is combined into an entirety closely, but, in reality research and development, producing the maximum shortcoming of tubing by intermediate adhesive layer is that cohesive force does not reach shearing force needed for regulation and the requirement of tear-proof power, wears when drawing cable and still easily causes inner and outer tubes to divide slippage, be unfavorable for promoting the use of of product.
Summary of the invention:
The present invention is in order to make up the deficiencies in the prior art, provide a kind of sand inclusion steel-plastic composite cable duct, it sets up one deck quartz sand layer between interior pipe and glass reinforced plastic pipe, glass reinforced plastic pipe and interior pipe can be made to be combined into as a whole closely, frictional force between interior pipe and glass reinforced plastic pipe increases greatly, avoid inner and outer pipes slippage, mechanical property is good, intensity is high, corrosion resistant is heat-resisting, fire retardant insulating, anti-aging, both the advantage of fiberglass had been given full play to, turn avoid fiberglass inwall not wear-resisting, the shortcoming of easy filoselle, cable easily passes, the situation avoiding stuck cable occurs, solve problems of the prior art.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A kind of sand inclusion steel-plastic composite cable duct, comprises glass reinforced plastic pipe and establishes clamp sand pipe in the inner.
Described clamp sand pipe comprises interior pipe and clamp-ons the quartz sand layer be made up of quartz sand particle of interior pipe extexine, and described quartz sand layer circumference is coated on interior pipe extexine and axially extends to two ends along interior pipe.
Quartz sand particle outer surface in composition quartz sand layer is attached with silane coupler.
Described quartz sand particle size is 0.3-1mm.
Described interior pipe is by thermoplastics particle and material modified blended and modified thermoplastic pipe that is that made by expressing technique.
Describedly material modifiedly comprise silane coupler, talcum powder and mineral powders.
Described thermoplastics is any one in polyvinyl chloride, polyethylene or polypropylene.
The present invention adopts such scheme, and it sets up one deck quartz sand layer between interior pipe and glass reinforced plastic pipe, and glass reinforced plastic pipe and interior pipe can be made to be combined into as a whole closely, frictional force between interior pipe and glass reinforced plastic pipe increases greatly, avoids inner and outer pipes slippage, and mechanical property is good, intensity is high, corrosion resistant is heat-resisting, fire retardant insulating, anti-aging, both the advantage of fiberglass had been given full play to, turn avoid the shortcoming of not wear-resisting, the easy filoselle of fiberglass inwall, cable easily passes, and the situation avoiding stuck cable occurs.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of sand inclusion steel-plastic composite cable duct of the present invention.
In figure, 1, interior pipe, 2, quartz sand layer, 3, glass reinforced plastic pipe.
Embodiment:
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the present invention will be described in detail.
As shown in Figure 1, a kind of sand inclusion steel-plastic composite cable duct, comprises glass reinforced plastic pipe 3 and establishes clamp sand pipe in the inner.
Described clamp sand pipe comprises interior pipe 1 and clamp-ons the quartz sand layer 2 be made up of quartz sand particle of interior pipe extexine, and described quartz sand layer 2 circumference is coated on interior pipe 1 extexine and axially extends to two ends along interior pipe 1.
Quartz sand particle outer surface in composition quartz sand layer 2 is attached with silane coupler.
Described quartz sand particle size is 0.3-1mm.
Described interior pipe 1 is by thermoplastics particle and material modified blended and modified thermoplastic pipe that is that made by expressing technique.
Describedly material modifiedly comprise silane coupler, talcum powder and mineral powders.Described mineral powders is magnesium hydroxide or calcium carbonate.
Described thermoplastics is any one in polyvinyl chloride, polyethylene or polypropylene.
Adopt composite cable conduit of the present invention, after interior pipe 1 outer surface lays one deck quartz sand layer 2, then in quartz sand layer 2 outer felt around glass fiber, the glass reinforced plastic pipe 3 be wound by glass fiber can be combined into as a whole with interior pipe 1 closely, and its advantage is as follows:
(1) advantage of fiberglass is given full play to, the pipeline rigidity made is high, strong, the anti-subsidence of foundations ability of load anti-pressure ability is strong, overcome polypropylene weakness, overcome the reasons such as fiberglass inwall is not wear-resisting, easy filoselle simultaneously and easily cause the weakness of wearing cable failure;
(2) after bi-material combination, conductive coefficient is large, and good heat resistance, meets the technical specification of State Grid Corporation of China, overcomes PVC and the low shortcoming of polyethylene pipe dimension card heat resisting temperature;
(3) two kinds of materials are plastics, non-conductive, do not fall magnetic, acid corrosion-resistant, and the generation of vortex phenomenon during cable thus can not be caused to run, overcomes metal material tubing and easily produce eddy current and not corrosion resistant weakness;
(4) overall cost accounts for about 70% of simple polypropylene making piping cost, is conducive to the popularization of product;
(5) by quartz sand layer, the tubing of two kinds of unlike materials is closely integrated into an entirety, had both reached the requirement meeting and wear cable, and the superiority of two kinds of material tubing is given full play to.
The present invention does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (4)
1. a sand inclusion steel-plastic composite cable duct, is characterized in that: comprise glass reinforced plastic pipe and establish clamp sand pipe in the inner; Described clamp sand pipe comprises interior pipe and clamp-ons the quartz sand layer be made up of quartz sand particle of interior pipe extexine, and described quartz sand layer circumference is coated on interior pipe extexine and axially extends to two ends along interior pipe; After interior pipe outer surface lays one deck quartz sand layer, then in quartz sand layer outer felt around glass fiber, the glass reinforced plastic pipe be wound by glass fiber and interior pipe are combined into as a whole closely; Quartz sand particle outer surface in composition quartz sand layer is attached with silane coupler; Described interior pipe is by thermoplastics particle and material modified blended and modified thermoplastic pipe that is that made by expressing technique.
2. a kind of sand inclusion steel-plastic composite cable duct according to claim 1, is characterized in that: described quartz sand particle size is 0.3-1mm.
3. a kind of sand inclusion steel-plastic composite cable duct according to claim 1, is characterized in that: describedly material modifiedly comprise silane coupler, talcum powder and mineral powders.
4. a kind of sand inclusion steel-plastic composite cable duct according to claim 1, is characterized in that: described thermoplastics is any one in polyvinyl chloride, polyethylene or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310346845.1A CN103401191B (en) | 2013-08-09 | 2013-08-09 | A kind of sand inclusion steel-plastic composite cable duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310346845.1A CN103401191B (en) | 2013-08-09 | 2013-08-09 | A kind of sand inclusion steel-plastic composite cable duct |
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| Publication Number | Publication Date |
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| CN103401191A CN103401191A (en) | 2013-11-20 |
| CN103401191B true CN103401191B (en) | 2016-02-03 |
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| CN201310346845.1A Active CN103401191B (en) | 2013-08-09 | 2013-08-09 | A kind of sand inclusion steel-plastic composite cable duct |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022474A (en) * | 2014-06-27 | 2014-09-03 | 山东省呈祥电工电气有限公司 | Low-resistance wear-proof plastic-steel composite cable guide with quartz sand layer |
| CN106393754A (en) * | 2016-09-28 | 2017-02-15 | 长沙新世管道有限公司 | Composite cable protection pipe and production method thereof |
| CN107216579A (en) * | 2017-08-03 | 2017-09-29 | 安徽省又川新材料科技有限公司 | It is a kind of that there is cable duct tube inner tube of strong extension mechanical property and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5238328A (en) * | 1992-01-23 | 1993-08-24 | Adams Robert M | System for coextruded innerduct with filled outer layer |
| CN2437066Y (en) * | 2000-06-28 | 2001-06-27 | 肖顺秋 | Sand added composite glass fibre reinforced plastic cable sleeve |
| CN102146180A (en) * | 2010-02-08 | 2011-08-10 | 福建亚通新材料科技股份有限公司 | High heat conduction scraping-resistant modified polypropylene sleeve for power cable |
-
2013
- 2013-08-09 CN CN201310346845.1A patent/CN103401191B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5238328A (en) * | 1992-01-23 | 1993-08-24 | Adams Robert M | System for coextruded innerduct with filled outer layer |
| CN2437066Y (en) * | 2000-06-28 | 2001-06-27 | 肖顺秋 | Sand added composite glass fibre reinforced plastic cable sleeve |
| CN102146180A (en) * | 2010-02-08 | 2011-08-10 | 福建亚通新材料科技股份有限公司 | High heat conduction scraping-resistant modified polypropylene sleeve for power cable |
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| CN103401191A (en) | 2013-11-20 |
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Address after: 274206 No. 105-107, North District, Port Industrial Park, Datian Town, Chengwu, Heze, Shandong Patentee after: Shandong China glass composite pipe industry Co., Ltd. Address before: 274200 Chengwu county (Ji'nan) Industrial Park, Heze, Shandong. Patentee before: Shandong Zhongbo Pipes Co., Ltd. |
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