CN103591398A - Guide wire fusion structure of annular reinforcing layer of flexible tube - Google Patents
Guide wire fusion structure of annular reinforcing layer of flexible tube Download PDFInfo
- Publication number
- CN103591398A CN103591398A CN201310567308.XA CN201310567308A CN103591398A CN 103591398 A CN103591398 A CN 103591398A CN 201310567308 A CN201310567308 A CN 201310567308A CN 103591398 A CN103591398 A CN 103591398A
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- China
- Prior art keywords
- compound strip
- seal wire
- flexible tube
- internal layer
- layer
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- 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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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
- B29C65/3432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding comprising several wires, e.g. in the form of several independent windings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a guide wire fusion structure of an annular reinforcing layer of a flexible tube. The guide wire fusion structure of the annular reinforcing layer of the flexible tube comprises an inside lining, an inner layer and an outer layer. The inner layer of the guide wire fusion structure is wound around the inside lining in a spiral mode. The outer layer is wound around the inner layer in a spiral mode. The spiral winding direction of the outer layer and the spiral winding direction of the inner layer are opposite. The inner layer is composed of a first composite band and a second composite band. Guide wires are arranged on the first composite band and the second composite band. The outer layer is composed of a third composite band and a fourth composite band. Guide wires are arranged on the fourth composite band. A gap is reserved between the inner layer and the outer layer. The guide wire fusion structure of the annular reinforcing layer of the flexible tube is reasonable in design, simple in structure, easy to manufacture, simple in winding technology and high in production efficiency. According to the guide wire fusion structure of the annular reinforcing layer of the flexible tube, the winding angles, the number and the gaps of the composite bands can be controlled and adjusted, fusion does not exist between the inner layer and the outer layer, the inner layer and the outer layer can relatively move in a sliding mode, the bending property of the flexible tube is good, and the flexible tube is high in strength.
Description
Technical field
The present invention relates to the technical field of flexible flexible tube hoop enhancement layer, specifically a kind of flexible tube hoop enhancement layer seal wire fusion structure.
Background technique
At present, flexible tube hoop enhancement layer mainly contains two kinds of structural types.A kind of be hoop enhancement layer by high strength fibre directly braiding be wrapped in that internal lining pipe is outside to be formed, in the process that is wound around braiding, between fiber, meeting is gapped, has potential pressure extrusion structure, has reduced the entire compression power performance of flexible tube.Another kind is that hoop enhancement layer is formed in inside liner outside by flexible resin and the direct wound and solidified of high strength fibre, due to flexible resin and fiber solidify after its hardness larger, bending radius can only be applicable to larger, can not meet hoop enhancement layer synchronize with flexible tube crooked, also easy to crack when crooked.
Summary of the invention
Object of the present invention, for solving the deficiency of above-mentioned technology, provides a kind of reasonable in design, simple in structure, easily manufactures the flexible tube hoop enhancement layer seal wire fusion structure that manufacturing efficiency is high.
The technical solution adopted in the present invention is: a kind of flexible tube hoop enhancement layer seal wire fusion structure, comprise inside liner, internal layer, skin, it is characterized in that internal layer is spirally wound on inside liner, skin is spirally wound on internal layer, outer spiral winding direction and internal layer spiral winding opposite direction, internal layer is comprised of the first compound strip and the second compound strip, in the first compound strip, the second compound strip, be provided with seal wire, skin is comprised of the 3rd compound strip and the 4th compound strip, in the 4th compound strip, there is seal wire, gapped between internal layer and skin;
The first described compound strip, the second compound strip, the 3rd compound strip, the 4th compound strip, by polymer and the rectangular compound strip of fiber formed by extrusion and tension end face, in the first compound strip, the second compound strip, the 4th compound strip, have seal wire, seal wire is on compound strip 1/2 width;
In the first compound strip of described internal layer, seal wire energising hot melt adhesion is spirally wound on inside liner, in the second compound strip, the stack of seal wire energising hot melt adhesion is spirally wound in the first compound strip, and in the second compound strip, seal wire energising hot melt adhesion is in the first compound strip not on 1/2 width of hot melt adhesion;
Described outer field the 3rd compound strip is spirally wound in internal layer the second compound strip, and the 3rd compound strip spiral winding direction is contrary with the second compound strip winding direction, and in the 4th compound strip, the stack of seal wire energising hot melt adhesion is spirally wound in the 3rd compound strip;
The angle of described internal layer spiral winding angle and inside liner axis is 70 °～88 °, and the angle of outer spiral winding angle and inside liner axis is-70 °～-88 °.
The present invention is reasonable in design, simple in structure, easily manufactures, and winding process is simple, manufacturing efficiency is high, can control and adjust winding angle, quantity and the gap of compound strip, nothing fusion between internal layer and skin, between compound strip, can move by relative sliding, the good bending property of flexible tube, intensity is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark in figure: 1, inside liner, 2, internal layer, the 3, first compound strip, the 4, second compound strip, 5, skin, the 6, the 3rd compound strip, the 7, the 4th compound strip, 8, seal wire.
Embodiment
As shown in Figure 1, a kind of flexible tube hoop enhancement layer seal wire fusion structure, comprise inside liner 1, internal layer 2, outer 5, internal layer 2 is spirally wound on inside liner 1, outer 5 are spirally wound on internal layer 2, outer 5 spiral winding directions and internal layer 2 spiral winding opposite directions, its internal layer 1 is comprised of the first compound strip 3 and the second compound strip 4, in the first compound strip 3, the second compound strip 4, be provided with seal wire 8, outer 5 are comprised of the 3rd compound strip 6 and the 4th compound strip 7, in the 4th compound strip 7, have seal wire; Internal layer 2 is spirally wound on inside liner 1, and outer 5 are spirally wound on internal layer 2, and outer 5 spiral winding directions and internal layer 2 spiral winding opposite directions are gapped between internal layer 2 and outer 5.The first compound strip 3, the second compound strip 4, the 3rd compound strip 6, the 4th compound strip 7 are by polymer and fiber formed by extrusion and tension, the end face of compound strip forms rectangle by certain thickness and width, in the first compound strip 3, the second compound strip 4, the 4th compound strip 7, with static wire 8, on compound strip 1/2 width, be provided with seal wire 8.In the first compound strip 3 of internal layer, seal wire 8 energising hot melt adhesions are spirally wound on inside liner 1, in the second compound strip, the stack of seal wire 8 energising hot melt adhesions is wrapped in the first compound strip 3, and in the second compound strip 4, seal wire 8 energising hot melt adhesions are in the first compound strip 3 not on 1/2 width of hot melt adhesion.Outer 5 the 3rd compound strip 6 is spirally wound in internal layer 2 second compound strip 4, the 3rd compound strip 6 spiral winding directions are contrary with the second compound strip 4 winding directions, in the 4th compound strip 7, seal wire 8 energising hot melt adhesion stacks are wrapped in the 3rd compound strip 6, and seal wire 8 energising hot melt adhesion temperature are at 120 ℃～220 ℃.The angle of internal layer 2 spiral winding angles and inside liner 1 axis is 70 °～88 °, and the angle of outer 5 spiral winding angles and inside liner 1 axis is-70 °～-88 °.
The present invention is reasonable in design, simple in structure, easily manufacture, good bending property, intensity is high, in the situation that there is no axial compression, can not carry out crooked flexible tube, due to gapped between the compound strip between skin and internal layer, hot melt adhesion not between outer field the 3rd compound strip and the second compound strip of internal layer, can form relative slip and move, between the hot melt adhesion compound strip of skin, internal layer, can form certain extruding, be conducive to the bending of pipe.Can be widely used in the technical field of continuous composite pipe hoop layer such as manufacturing down-hole pipe, fuel tube, well casing, ocean pipe.
Claims (5)
1. a flexible tube hoop enhancement layer seal wire fusion structure, comprise inside liner, internal layer, skin, it is characterized in that internal layer is spirally wound on inside liner, skin is spirally wound on internal layer, outer spiral winding direction and internal layer spiral winding opposite direction, internal layer is comprised of the first compound strip and the second compound strip, in the first compound strip, the second compound strip, be provided with seal wire, skin is comprised of the 3rd compound strip and the 4th compound strip, in the 4th compound strip, there is seal wire, gapped between internal layer and skin.
2. flexible tube hoop enhancement layer seal wire fusion structure according to claim 1, it is characterized in that described the first compound strip, the second compound strip, the 3rd compound strip, the 4th compound strip, by polymer and the rectangular compound strip of fiber formed by extrusion and tension end face, in the first compound strip, the second compound strip, the 4th compound strip, have seal wire, seal wire is on compound strip 1/2 width.
3. according to the flexible tube hoop enhancement layer seal wire fusion structure described in claim 1,2, it is characterized in that in the first compound strip of described internal layer, seal wire energising hot melt adhesion is spirally wound on inside liner, in the second compound strip, the stack of seal wire energising hot melt adhesion is spirally wound in the first compound strip, and in the second compound strip, seal wire energising hot melt adhesion is in the first compound strip not on 1/2 width of hot melt adhesion.
4. according to the flexible tube hoop enhancement layer seal wire fusion structure described in claim 1,2, it is characterized in that described outer field the 3rd compound strip is spirally wound in internal layer the second compound strip, the 3rd compound strip spiral winding direction is contrary with the second compound strip winding direction, and in the 4th compound strip, the stack of seal wire energising hot melt adhesion is spirally wound in the 3rd compound strip.
5. flexible tube hoop enhancement layer seal wire fusion structure according to claim 1, the angle that it is characterized in that described internal layer spiral winding angle and inside liner axis is 70 °～88 °, and the angle of outer spiral winding angle and inside liner axis is-70 °～-88 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567308.XA CN103591398A (en) | 2013-11-15 | 2013-11-15 | Guide wire fusion structure of annular reinforcing layer of flexible tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567308.XA CN103591398A (en) | 2013-11-15 | 2013-11-15 | Guide wire fusion structure of annular reinforcing layer of flexible tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103591398A true CN103591398A (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310567308.XA Pending CN103591398A (en) | 2013-11-15 | 2013-11-15 | Guide wire fusion structure of annular reinforcing layer of flexible tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891826A (en) * | 2020-08-05 | 2020-11-06 | 中北大学 | Multi-strand parallel-wound guide wire and preparation device and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1314923A1 (en) * | 2000-08-29 | 2003-05-28 | Sekisui Chemical Co., Ltd. | Composite high-pressure tube and method of manufacturing the tube |
| US20030159745A1 (en) * | 2000-05-10 | 2003-08-28 | Philippe Espinasse | Flexible pipe with wire or strip winding for maintaining armours |
| US20040099324A1 (en) * | 2002-11-27 | 2004-05-27 | Wellstream, Inc. | Flexible tubular member with sealed tape layer |
| CN1643287A (en) * | 2002-03-26 | 2005-07-20 | 韦尔斯特里姆国际有限公司 | Flexible pipe and method for making same by overlapping layers |
| CN100484749C (en) * | 2003-01-27 | 2009-05-06 | 索诺克发展有限公司 | Spirally wound tube with enhanced inner diameter stiffness, and method of making same |
-
2013
- 2013-11-15 CN CN201310567308.XA patent/CN103591398A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030159745A1 (en) * | 2000-05-10 | 2003-08-28 | Philippe Espinasse | Flexible pipe with wire or strip winding for maintaining armours |
| EP1314923A1 (en) * | 2000-08-29 | 2003-05-28 | Sekisui Chemical Co., Ltd. | Composite high-pressure tube and method of manufacturing the tube |
| CN1643287A (en) * | 2002-03-26 | 2005-07-20 | 韦尔斯特里姆国际有限公司 | Flexible pipe and method for making same by overlapping layers |
| US20040099324A1 (en) * | 2002-11-27 | 2004-05-27 | Wellstream, Inc. | Flexible tubular member with sealed tape layer |
| CN100484749C (en) * | 2003-01-27 | 2009-05-06 | 索诺克发展有限公司 | Spirally wound tube with enhanced inner diameter stiffness, and method of making same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891826A (en) * | 2020-08-05 | 2020-11-06 | 中北大学 | Multi-strand parallel-wound guide wire and preparation device and preparation method thereof |
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Application publication date: 20140219 |