CN110260061B - High-bending light hose and production method thereof - Google Patents
High-bending light hose and production method thereof Download PDFInfo
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- CN110260061B CN110260061B CN201910497474.4A CN201910497474A CN110260061B CN 110260061 B CN110260061 B CN 110260061B CN 201910497474 A CN201910497474 A CN 201910497474A CN 110260061 B CN110260061 B CN 110260061B
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- layer
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- hose
- thickness
- bending
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- 238000005452 bending Methods 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 229920006267 polyester film Polymers 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 7
- 230000032683 aging Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/02—Hoses, i.e. flexible pipes made of fibres or threads, e.g. of textile which may or may not be impregnated, or provided with an impermeable layer, e.g. fire-hoses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/24—Hoses, i.e. flexible pipes wound from strips or bands
Abstract
The invention discloses a high-bending light hose and a production method thereof, wherein the product sequentially comprises an inner pipe layer, a sealing layer, an anti-aging layer and an outer reinforcing layer from inside to outside, and is characterized in that: the inner tube layer of the high-bending light hose is divided into 3 layers, the innermost layer of steel wires is made of NN canvas, the outer layer of the steel wires is made of polytetrafluoroethylene, the sealing layer of the high-bending light hose is made of a polyester film, the anti-aging layer of the high-bending light hose is made of plastic coated cloth, and the outer reinforcing layer of the high-bending light hose is made of steel wires. The product is obtained by winding the inner layer of the inner tube layer of the hose from inside to outside by a winding machine, the invention forms a double-layer spring structure by winding the spacing steel wires at the innermost layer and the winding spacing steel wires at the outer reinforcing layer in the inner tube layer of the hose, the thickness of each layer is very low, and the two layers of steel wires which are wound in a staggered way enable each layer to be connected more tightly, so that the steel wire has very high bending capacity, the bending radius is smaller than 2 times of the drift diameter, and the steel wire is very light in weight.
Description
Technical Field
The invention belongs to the field of pipelines, and particularly relates to a high-bending light hose and a production method thereof.
Background
At present, most of pipelines for chemical industry, oil, gas and the like in China are steel pipelines or hard pipelines such as glass fiber reinforced plastic pipes and the like, and the pipelines have the defects of heavy weight, high manufacturing cost, inconvenient connection, poor stability and the like, so that the problems of heavy weight, high price and the like of the hard pipelines are solved. But the weight of the existing hose is reduced, the minimum bending radius of the existing hose is 10 times larger than the drift diameter of the existing hose, the use quantity of the hose is increased due to the overlarge minimum bending radius, the labor time is prolonged, the construction efficiency is reduced, and the construction cost is increased.
Disclosure of Invention
In order to solve the problems of large weight and large bending radius of the existing hose, the invention provides a light-weight hose with the minimum bending radius smaller than 2 times of the drift diameter and a production method thereof.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high crooked light-duty hose, from inside to outside is interior tube layer, sealing layer, ageing resistance layer and outer enhancement layer in proper order, its characterized in that: the inner tube layer of the high-bending light hose is divided into 3 layers, the innermost layer is steel wires with winding intervals of 15-20mm and diameters of 3-5mm, the middle layer is NN canvas with thickness of 1-2mm, the outer layer is polytetrafluoroethylene with thickness of 0.1-0.3mm, the sealing layer of the high-bending light hose is a polyester film with thickness of 0.05-0.1mm, the anti-aging layer of the high-bending light hose is plastic coated cloth with thickness of 0.8-1.5mm, the outer reinforcing layer of the high-bending light hose is steel wires with winding intervals of 15-20mm and diameters of 3-5mm, and the inner tube layer, the sealing layer, the anti-aging layer and the outer reinforcing layer are connected and fixed through winding pressure.
Further, the inner pipe layer of the high-bending light hose is divided into 3 layers, the innermost layer is steel wires with winding intervals of 16-18mm and diameters of 3.5-4.5mm, the middle layer is NN canvas with the thickness of 1.2-1.8mm, and the outer layer is polytetrafluoroethylene with the thickness of 0.15-0.25 mm.
Further, the sealing layer of the high-bending light hose is a polyester film with the thickness of 0.06-0.08 mm.
Further, the anti-aging layer of the high-bending light hose is plastic coated cloth with the thickness of 1-1.2 mm.
Further, the outer reinforcing layer of the high-bending light hose is a steel wire with a winding interval of 16-18mm and a diameter of 3.5-4.5 mm.
The method for producing the high-bending light hose comprises the following steps:
(1) Inner tube layer construction: winding a circle of steel wires with the winding interval of 15-20mm and the diameter of 3-5mm on a mandrel of a winding machine, covering a layer of NN canvas with the thickness of 1-2mm on the wound steel wire layer, and finally covering a layer of polytetrafluoroethylene film with the thickness of 0.1-0.3mm on the covered NN canvas layer;
(2) And (3) coating a sealing layer: rotating by a winding machine, and winding a layer of polyester film with the thickness of 0.05-0.1mm on the inner pipe layer as a sealing layer;
(3) And (3) coating an anti-aging layer: rotating by a winding machine, and winding a layer of plastic-coated cloth with the thickness of 0.8-1.5mm on the sealing layer to serve as an anti-aging layer;
(4) And (3) sticking a label strip: sticking a working environment and a related description mark on the surface of the anti-aging layer;
(5) And (3) coating an outer reinforcing layer: and (3) winding a layer of steel wire with a winding interval of 15-20mm and a diameter of 3-5mm, which is staggered with the steel wire of the inner pipe layer, on the anti-aging layer by rotating a winding machine to serve as an outer reinforcing layer.
The invention has the beneficial effects that the double-layer spring structure is formed by the steel wires wound at intervals of the innermost layer and the steel wires wound at intervals of the outer reinforcing layer in the inner tube layer of the hose, the NN canvas layer, the polytetrafluoroethylene layer, the sealing layer and the anti-aging layer between the innermost layer and the outer reinforcing layer are all very thin, and the two layers of the steel wires wound in a staggered way enable the layers to be connected more tightly, so that the double-layer spring structure has very high bending capacity, the bending radius is smaller than 2 times of the drift diameter, and the double-layer spring structure is very light in weight.
Drawings
Fig. 1 is a schematic cross-sectional view of a high-bending lightweight hose.
Detailed description of the preferred embodiments
Example 1 the invention is further described below with reference to fig. 1, a high-bending light hose comprising, in order from inside to outside, an inner tube layer 2, a sealing layer 3, an anti-aging layer 4 and an outer reinforcement layer 5, characterized in that: the inner tube layer of the high-bending light hose is divided into 3 layers, the innermost layer is a steel wire 21 with a winding interval of 15mm and a diameter of 3mm, the middle layer is an NN canvas 22 with a thickness of 1mm (product of textile company in Qingzhou, shandong is selected in the embodiment), the outer layer is a polytetrafluoroethylene 23 with a thickness of 0.1mm (product of plastic products of Zhejiang Deqingke, inc.), the sealing layer of the high-bending light hose is a polyester film with a thickness of 0.05mm (product of plastic packaging material of Dongguang county, inc.), the anti-aging layer of the high-bending light hose is a plastic coated cloth with a thickness of 0.8mm (product of Qinghan canvas factory in Chengxian, city county, etc.), the outer reinforcing layer of the high-bending light hose is a steel wire with a winding interval of 15mm and a diameter of 3mm, and the layers are fixedly connected together through winding pressure of a winding machine, and the steel wires of the outer reinforcing layer staggered with the steel wire of the inner tube layer are connected more tightly.
The method for producing the high-bending light hose comprises the following steps:
(1) Inner tube layer construction: winding a circle of steel wires with the winding interval of 15mm and the diameter of 3mm on a mandrel 1 of a winding machine, covering a layer of NN canvas with the thickness of 1mm on the wound steel wire layer, and finally covering a layer of polytetrafluoroethylene film with the thickness of 0.1mm on the covered NN canvas layer;
(2) And (3) coating a sealing layer: rotating by a winding machine, and winding a layer of polyester film with the thickness of 0.05mm on the inner pipe layer as a sealing layer;
(3) And (3) coating an anti-aging layer: rotating by a winding machine, and winding a layer of plastic-coated cloth with the thickness of 0.8mm on the sealing layer to serve as an anti-aging layer;
(4) And (3) sticking a label strip: sticking a target strip of relevant contents such as a working environment, a production company, a contact phone and the like on the surface of the anti-aging layer;
(5) And (3) coating an outer reinforcing layer: and (3) winding a layer of steel wire with a winding interval of 15mm and a diameter of 3mm, which is staggered with the steel wire of the inner pipe layer, on the anti-aging layer through rotation of a winding machine to serve as an outer reinforcing layer.
Example 2 the invention is further described below with reference to fig. 1, a high-bending light hose comprising, in order from inside to outside, an inner tube layer 2, a sealing layer 3, an anti-aging layer 4 and an outer reinforcement layer 5, characterized in that: the inner pipe layer of the high-bending light hose is divided into 3 layers, the innermost layer is a steel wire 21 with winding interval of 17.5mm and diameter of 4mm, the middle layer is an NN canvas 22 with thickness of 1.5mm, the outer layer is a polytetrafluoroethylene 23 with thickness of 0.2mm, the sealing layer of the high-bending light hose is a polyester film with thickness of 0.75mm, the anti-aging layer of the high-bending light hose is a plastic coated cloth with thickness of 1.15mm, the outer reinforcing layer of the high-bending light hose is a steel wire with winding interval of 17.5mm and diameter of 4mm, and the layers are fixedly connected together through winding pressure of a winding machine and are connected more tightly through the steel wire of the outer reinforcing layer staggered with the steel wire of the inner pipe layer.
The method for producing the high-bending light hose comprises the following steps:
(1) Inner tube layer construction: winding a circle of steel wires with winding intervals of 17.5mm and diameters of 4mm on a mandrel 1 of a winding machine, covering a layer of NN canvas with the thickness of 1.5mm on the wound steel wire layer, and finally covering a layer of polytetrafluoroethylene film with the thickness of 0.2mm on the covered NN canvas layer;
(2) And (3) coating a sealing layer: rotating by a winding machine, and winding a layer of polyester film with the thickness of 0.75mm on the inner pipe layer to serve as a sealing layer;
(3) And (3) coating an anti-aging layer: rotating by a winding machine, and winding a layer of plastic-coated cloth with the thickness of 1.15mm on the sealing layer to serve as an anti-aging layer;
(4) And (3) sticking a label strip: sticking a target strip of relevant contents such as a working environment, a production company, a contact phone and the like on the surface of the anti-aging layer;
(5) And (3) coating an outer reinforcing layer: and (3) winding a layer of steel wire with the winding interval of 17.5mm and the diameter of 4mm, which is staggered with the steel wire position of the inner pipe layer, on the anti-aging layer by rotating a winding machine to serve as an outer reinforcing layer.
Example 3 the invention is further described below with reference to fig. 1, a high-bending light hose comprising, in order from inside to outside, an inner tube layer 2, a sealing layer 3, an anti-aging layer 4 and an outer reinforcement layer 5, characterized in that: the inner pipe layer of the high-bending light hose is divided into 3 layers, the innermost layer is a steel wire 21 with a winding interval of 20mm and a diameter of 5mm, the middle layer is an NN canvas 22 with a thickness of 2mm, the outer layer is polytetrafluoroethylene 23 with a thickness of 0.3mm, the sealing layer of the high-bending light hose is a polyester film with a thickness of 0.1mm, the anti-aging layer of the high-bending light hose is a plastic coated fabric with a thickness of 1.5mm, the outer reinforcing layer of the high-bending light hose is a steel wire with a winding interval of 20mm and a diameter of 5mm, and the layers are fixedly connected together through winding pressure of a winding machine and are connected more tightly through the steel wire of the outer reinforcing layer staggered with the steel wire of the inner pipe layer.
The method for producing the high-bending light hose comprises the following steps:
(1) Inner tube layer construction: winding a circle of steel wires with the winding interval of 20mm and the diameter of 5mm on a mandrel 1 of a winding machine, covering a layer of NN canvas with the thickness of 2mm on the wound steel wire layer, and finally covering a layer of polytetrafluoroethylene film with the thickness of 0.3mm on the covered NN canvas layer;
(2) And (3) coating a sealing layer: rotating by a winding machine, and winding a layer of polyester film with the thickness of 0.1mm on the inner pipe layer to serve as a sealing layer;
(3) And (3) coating an anti-aging layer: rotating by a winding machine, and winding a layer of plastic-coated cloth with the thickness of 1.5mm on the sealing layer to serve as an anti-aging layer;
(4) And (3) sticking a label strip: sticking a target strip of relevant contents such as a working environment, a production company, a contact phone and the like on the surface of the anti-aging layer;
(5) And (3) coating an outer reinforcing layer: and (3) rotating through a winding machine, winding a layer of steel wire with the winding interval of 20mm and the diameter of 5mm, which is staggered with the steel wire position of the inner pipe layer, on the anti-aging layer to serve as an outer reinforcing layer.
Claims (6)
1. The utility model provides a high crooked light-duty hose, from inside to outside is interior inlayer (2), sealing layer (3), ageing resistance layer (4) and outer enhancement layer (5) in proper order, its characterized in that: the inner tube layer of the high-bending light hose is divided into 3 layers, the innermost layer is steel wires (21) with winding intervals of 15-20mm and diameters of 3-5mm, the middle layer is NN canvas (22) with thickness of 1-2mm, the outer layer is polytetrafluoroethylene (23) with thickness of 0.1-0.3mm, the sealing layer of the high-bending light hose is a polyester film with thickness of 0.05-0.1mm, the anti-aging layer of the high-bending light hose is plastic-coated cloth with thickness of 0.8-1.5mm, the outer reinforcing layer of the high-bending light hose is steel wires with winding intervals of 15-20mm and diameters of 3-5mm, and the inner tube layer, the sealing layer, the anti-aging layer and the outer reinforcing layer are connected and fixed through winding pressure.
2. The high-bending lightweight hose as claimed in claim 1, wherein: the inner tube layer of the high-bending light hose is divided into 3 layers, the innermost layer is steel wires with winding intervals of 16-18mm and diameters of 3.5-4.5mm, the middle layer is NN canvas with thickness of 1.2-1.8mm, and the outer layer is polytetrafluoroethylene with thickness of 0.15-0.25 mm.
3. The high-bending lightweight hose as claimed in claim 1, wherein: the sealing layer of the high-bending light hose is a polyester film with the thickness of 0.06-0.08 mm.
4. The high-bending lightweight hose as claimed in claim 1, wherein: the anti-aging layer of the high-bending light hose is plastic coated cloth with the thickness of 1-1.2 mm.
5. The high-bending lightweight hose as claimed in claim 1, wherein: the outer reinforcing layer of the high-bending light hose is steel wires with winding intervals of 16-18mm and diameters of 3.5-4.5 mm.
6. The method for producing the high-bending light hose comprises the following steps:
(1) Inner tube layer construction: winding a circle of steel wires with winding intervals of 15-20mm and diameters of 3-5mm on a mandrel (1) of a winding machine, covering a layer of NN canvas with thickness of 1-2mm on the wound steel wire layer, and finally covering a layer of polytetrafluoroethylene film with thickness of 0.1-0.3mm on the covered NN canvas layer;
(2) And (3) coating a sealing layer: rotating by a winding machine, and winding a layer of polyester film with the thickness of 0.05-0.1mm on the inner pipe layer as a sealing layer;
(3) And (3) coating an anti-aging layer: rotating by a winding machine, and winding a layer of plastic-coated cloth with the thickness of 0.8-1.5mm on the sealing layer to serve as an anti-aging layer;
(4) And (3) sticking a label strip: sticking a working environment and a related description mark on the surface of the anti-aging layer;
(5) And (3) coating an outer reinforcing layer: and (3) winding a layer of steel wire with a winding interval of 15-20mm and a diameter of 3-5mm, which is staggered with the steel wire of the inner pipe layer, on the anti-aging layer by rotating a winding machine to serve as an outer reinforcing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497474.4A CN110260061B (en) | 2019-06-10 | 2019-06-10 | High-bending light hose and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497474.4A CN110260061B (en) | 2019-06-10 | 2019-06-10 | High-bending light hose and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110260061A CN110260061A (en) | 2019-09-20 |
| CN110260061B true CN110260061B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910497474.4A Active CN110260061B (en) | 2019-06-10 | 2019-06-10 | High-bending light hose and production method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942256A (en) * | 2020-07-15 | 2022-01-18 | 中国石油化工股份有限公司 | Method for preparing oil pipe lining |
| CN117781049A (en) * | 2024-02-27 | 2024-03-29 | 厦门市卓励石化设备有限公司 | Composite hose suitable for low-temperature medium conveying and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5182147A (en) * | 1988-10-14 | 1993-01-26 | Dantec Ltd. | Composite hose |
| CN2307168Y (en) * | 1997-10-10 | 1999-02-10 | 王利先 | Leather wire hose |
| CN2446361Y (en) * | 2000-09-19 | 2001-09-05 | 左湘宁 | Compound hose with steel skeleton |
| CN208295333U (en) * | 2018-04-11 | 2018-12-28 | 永春县优科科技有限公司 | High tensile flexible pipe structure is exploited with offshore oil |
| CN210739602U (en) * | 2019-06-10 | 2020-06-12 | 四川景华石油机械有限公司 | High-bending light hose |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2126439B1 (en) * | 2007-03-16 | 2014-06-11 | National Oilwell Varco Denmark I/S | A flexible pipe |
-
2019
- 2019-06-10 CN CN201910497474.4A patent/CN110260061B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5182147A (en) * | 1988-10-14 | 1993-01-26 | Dantec Ltd. | Composite hose |
| CN2307168Y (en) * | 1997-10-10 | 1999-02-10 | 王利先 | Leather wire hose |
| CN2446361Y (en) * | 2000-09-19 | 2001-09-05 | 左湘宁 | Compound hose with steel skeleton |
| CN208295333U (en) * | 2018-04-11 | 2018-12-28 | 永春县优科科技有限公司 | High tensile flexible pipe structure is exploited with offshore oil |
| CN210739602U (en) * | 2019-06-10 | 2020-06-12 | 四川景华石油机械有限公司 | High-bending light hose |
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| Publication number | Publication date |
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| CN110260061A (en) | 2019-09-20 |
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