CN203215118U - Flexible pipe for oceans - Google Patents
Flexible pipe for oceans Download PDFInfo
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- CN203215118U CN203215118U CN 201320076022 CN201320076022U CN203215118U CN 203215118 U CN203215118 U CN 203215118U CN 201320076022 CN201320076022 CN 201320076022 CN 201320076022 U CN201320076022 U CN 201320076022U CN 203215118 U CN203215118 U CN 203215118U
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- flexible pipe
- ocean
- compression
- resistance
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- 230000006835 compression Effects 0.000 claims abstract description 53
- 238000007906 compression Methods 0.000 claims abstract description 53
- 239000000835 fiber Substances 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 27
- 229920003023 plastic Polymers 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 24
- 230000008093 supporting effect Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 21
- 239000000178 monomer Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract 3
- -1 polyethylene Polymers 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000004952 Polyamide Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920002647 polyamide Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003913 materials processing Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
Images
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a flexible pipe for oceans. The flexible pipe structurally comprises a framework layer, a lining layer, a compression-resistant layer, a tensile layer and an outer protection layer in sequence from inside to outside. The framework layer is a metal framework layer with a supporting function. The lining layer and the outer protection layer are both plastic layers. The compression-resistant layer comprises a metal support and a plastic matrix wrapping on the outer portion of the metal support. The tensile layer is a spiral fiber reinforced material belt, and the spiral fiber reinforced material belt is wound on the outer wall of the compression-resistant layer. Compared with the prior art, the flexible pipe for oceans is formed by machining plastics and metal together, especially the compression-resistant layer is formed by machining of plastics and metal together, the tensile layer is formed by machining of fiber reinforced materials instead of original winding of flat steel, weight of the flexible pipe for oceans is reduced correspondingly, and further the flexible pipe for oceans is convenient to transport and install.
Description
Technical field
The utility model relates to the flexible pipe technical field, more particularly, relates to a kind of ocean flexible pipe.
Background technique
Along with continually developing of offshore oilfield and gas field, pipeline transportation process has been widely used in offshore oil industry.In the Britain North Sea, built up rock gas and the oil gas mixing conveyance conduit of long distance, promoted the exploitation of natural gas field, the North Sea greatly.The Gulf of Mexico in the U.S., the submarine pipeline total length reaches 37000km, the system that oil field, rock gas and the littoral land treatment plant in marine site connected into a production, handles and sell, so the normal operation of submarine pipeline has promoted the exploitation of Gulf of Mexico petroleum resources.In the more than ten years of China's marine petroleum development, also built up the submarine pipeline of 2500km, comprising oil gas mixing conveyance conduit, filling pipe etc.
Because the ocean flexible pipe has good flexibility, its installation efficiency height, seabed adaptability is strong, can recycle, and also have stronger corrosion resistance, so the ocean comes into one's own more and more with the application of flexible pipe in offshore oil industry.
In the prior art, the ocean comprises the metal frame layer, keeps the tension armor that the complete squeeze polymer layer of internal liquid, resistance to compression metal armouring layer, multilayer band steel twine, the squeeze polymer layer with sealing and protective action with the structure of flexible pipe.Wherein Structural Hardware has occupied the ocean with most of weight of flexible pipe, brings a lot of inconvenience to the ocean with transportation and the installation of flexible pipe, has also improved the cost of ocean usefulness flexible pipe greatly.
In sum, how reducing the weight that flexible pipe is used in the ocean, and then be convenient to transportation and the ocean be installed with flexible, is present those skilled in the art's urgent problem.
The model utility content
In view of this, the purpose of this utility model is to provide a kind of ocean flexible pipe, and this ocean can reduce the weight that flexible pipe is used in the ocean effectively with the structural design of flexible pipe, and then is convenient to transportation and the ocean is installed with flexible.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of ocean flexible pipe, its structure are followed successively by framework layer, inside liner, resistance to compression layer, stretch-resisting layer and external protection from inside to outside;
Described framework layer is the metal frame layer with supporting effect;
Described inside liner and external protection are plastic layer;
Described resistance to compression layer comprises metallic support and is coated on the plastic substrate of described metallic support outside;
Described stretch-resisting layer is spiral helicine fibre reinforced materials band, and described spiral helicine fibre reinforced materials tep reel is around on the described resistance to compression layer outer wall.
Preferably, described metal frame layer is Stainless Steel Tube, and circumferentially is provided with the annular protrusion that can make described Stainless Steel Tube bending along described Stainless Steel Tube.
Preferably, described metal frame layer comprises the clamping ring of a plurality of mutual engagings, one end of each clamping ring is provided with first draw-in groove, and the other end is provided with the grab that is stuck in described first draw-in groove, and two adjacent described clamping rings are by the engagement connection of described first draw-in groove and grab.
Preferably, described resistance to compression layer comprises the resistance to compression monomer of a plurality of annulars, each resistance to compression monomer comprises whole metallic support for annular and is coated on the plastic substrate of metallic support outside, one end of each resistance to compression monomer is provided with second draw-in groove, the other end is provided with the projection that is stuck in described second draw-in groove, and two adjacent described resistance to compression monomers are connected by described second draw-in groove and projection.
Preferably, the cross section with the flexible pipe radial direction along this ocean of described metallic support is " worker " font or " E " font.
Preferably, described stretch-resisting layer is the spiral helicine fibre reinforced materials band of multi-lay winding on described resistance to compression layer, and the Hand of spiral of the described spiral helicine fibre reinforced materials band of adjacent two layers is opposite.
Preferably, the helix angle of every layer of described spiral helicine fibre reinforced materials band is 30 °-60 °.
Preferably, described stretch-resisting layer inside also is provided with in order to monitor this ocean with the optical fiber of temperature, pressure and the flow of flexible pipe.
Preferably, also comprise the circuit pipe that is used for the placement circuit that is formed on parallel to an axis setting described external protection inside and this ocean usefulness flexible pipe in advance.
The ocean flexible pipe that the utility model provides, its structure are followed successively by framework layer, inside liner, resistance to compression layer, stretch-resisting layer and external protection from inside to outside; Wherein framework layer is the metal frame layer with supporting effect; Inside liner and external protection are plastic layer; The resistance to compression layer comprises metallic support and is coated on the plastic substrate of metallic support outside; Stretch-resisting layer is spiral helicine fibre reinforced materials band, and spiral helicine fibre reinforced materials band is wound on the resistance to compression layer outer wall.
Ocean that the utility model provides is with in the structure of flexible pipe, and framework layer has supporting effect, can prevent this ocean with flexible pipe at powerful pressure not by conquassation; Inside liner has the effect of corrosion protection and leakage proof, is used for keeping the integrity of inner transportation of substances, is not subjected to outside contamination; The resistance to compression layer is mainly used to anti-interior the pressure, namely resists from the radial pressure load of ocean with the transportation of substances of flexible pipe inside, also can resist the part external pressure; Stretch-resisting layer is mainly used to resist tensile force and part internal pressure, so that this ocean obtains torque with flexible pipe, namely gimbal is to load and thrust load; External protection has the effect of sealing and protection.Compared with prior art, the mode of plastics and the common processing of metal is adopted in the ocean that the utility model provides with flexible pipe, especially the resistance to compression layer adopts the mode of plastics and the common processing of metal, stretch-resisting layer then is that fibre reinforced materials processing has replaced original band steel to twine entirely, reduced the weight of this ocean with flexible pipe accordingly, and then be convenient to transportation and this ocean be installed with flexible.
In addition, the mode of plastics and the common processing of metal is adopted with flexible pipe in the ocean that the utility model provides, its intensity height, pliability is good, simultaneously also very big raising corrosion resistance and fatigue resistance.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The ocean that Fig. 1 provides for the utility model embodiment sectional view of flexible pipe;
The coastal ocean of resistance to compression layer that Fig. 2 provides for the utility model embodiment partial sectional view of flexible pipe axial direction;
The coastal ocean of the metal frame of the resistance to compression layer that Fig. 3 provides for the utility model embodiment is with the sectional view of flexible pipe axial direction;
The coastal ocean of the metal frame of the resistance to compression layer that Fig. 4 provides for another embodiment of the utility model is with the sectional view of flexible pipe axial direction;
The coastal ocean of the metal frame of the resistance to compression layer that Fig. 5 provides for another embodiment of the utility model is with the sectional view of flexible pipe axial direction;
The structural representation of the metal frame that Fig. 6 provides for the utility model embodiment;
The coastal ocean of the metal frame that Fig. 7 provides for another embodiment of the utility model is with the sectional view of flexible pipe axial direction.
Mark is as follows in the accompanying drawing:
1-external protection, 2-inside liner, 3-framework layer, 4-circuit pipe, 5-stretch-resisting layer, 6-resistance to compression layer, 61-resistance to compression monomer, 611-projection, 612-metallic support, 613-second draw-in groove, 614-bond end, 615-extension part, 31-clamping ring, 311-first draw-in groove, 312-grab, 313-lug boss, 314-Ka Bi.
Embodiment
The purpose of this utility model is to provide a kind of ocean flexible pipe, and this ocean can reduce the weight that flexible pipe is used in the ocean effectively with the structural design of flexible pipe, and then is convenient to transportation and the ocean is installed with flexible.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the ocean flexible pipe that the utility model embodiment provides, its structure is followed successively by framework layer 3, inside liner 2, resistance to compression layer 6, stretch-resisting layer 5 and external protection 1 from inside to outside; Wherein framework layer 3 is for having the metal frame layer of supporting effect; Inside liner 2 and external protection 1 are plastic layer; Resistance to compression layer 6 comprises metallic support 612 and is coated on the plastic substrate of metallic support 612 outsides; Stretch-resisting layer 5 is spiral helicine fibre reinforced materials band, and spiral helicine fibre reinforced materials band is wound on resistance to compression layer 6 outer wall.
Ocean that the utility model embodiment provides is with in the structure of flexible pipe, and framework layer 3 has supporting effect, can prevent this ocean with flexible pipe at powerful pressure not by conquassation; Inside liner 2 has the effect of corrosion protection and leakage proof, is used for keeping the integrity of inner transportation of substances, is not subjected to outside contamination; Resistance to compression layer 6 is mainly used to anti-interior the pressure, namely resists from the radial pressure load of ocean with the transportation of substances of flexible pipe inside, also can resist the part external pressure; Stretch-resisting layer 5 is mainly used to resist tensile force and part internal pressure, so that this ocean obtains torque with flexible pipe, namely gimbal is to load and thrust load; External protection 1 has the effect of sealing and protection.Compared with prior art, the mode of plastics and the common processing of metal is adopted in the ocean that the utility model provides with flexible pipe, especially resistance to compression layer 6 adopts the mode of plastics and the common processing of metal, 5 of stretch-resisting layers are that fibre reinforced materials processing has replaced original band steel to twine entirely, reduced the weight of this ocean with flexible pipe accordingly, and then be convenient to transportation and this ocean be installed with flexible.
In addition, the mode of plastics and the common processing of metal is adopted with flexible pipe in the ocean that the utility model provides, its intensity height, pliability is good, simultaneously also very big raising corrosion resistance and fatigue resistance.
In addition; when processing this ocean and use flexible pipe; directly inside liner 2 extrusion modlings are attached on the outer wall of framework layer 3; directly metallic support 612 and plastic substrate cow formation resistance to compression layer are wrapped on the outer wall of inside liner 2 then; stretch-resisting layer 5 directly is wrapped on the outer wall of resistance to compression layer 6, at last external protection 1 extrusion modling is attached to the outside of stretch-resisting layer 5.
Wherein, inside liner 2 can be by polyethylene, PVC, polypropylene, polyurethane, polyamide or polyvinylidene fluoride extruding and moulding; The plastic substrate of resistance to compression layer 6 can be polyvinyl body, PVC matrix, polypropylene matrix, polyurethane matrix, polyamide substrate or polyvinylidene fluoride matrix, and namely resistance to compression layer 6 can be matrix and metallic support 612 compound extrusion mouldings by polyethylene, PVC, polypropylene, polyurethane, polyamide or polyvinylidene fluoride; Stretch-resisting layer 5 can be by one or several and the moulding of resin co-extrusion in polyvinyl fiber, aramid fibre, polyester fibre, polyamide fiber, glass fibre and the carbon fiber; External protection 1 can be by polyethylene, PVC, polypropylene, polyurethane or polyamide extruding and moulding.
Wherein, as shown in Figure 6, in order to simplify course of working, metal frame layer 3 can be Stainless Steel Tube, and circumferentially is provided with the annular protrusion that can make this Stainless Steel Tube bending along this Stainless Steel Tube.Annular protrusion can have radian with the intersection of the cross section of crossing axis, and so the metal frame layer not only can stretch in the longitudinal direction, can also realize bending, can satisfy the ocean situations such as bending of flexible pipe in the actual arrangement process.
In addition, as shown in Figure 7, in another embodiment, the metal frame layer can comprise the clamping ring 31 of a plurality of mutual engagings, one end of each clamping ring 31 is provided with first draw-in groove 311, the other end is provided with the grab 312 that may be stuck in described first draw-in groove 311, two adjacent clamping rings 31 are by the engagement connection of described first draw-in groove 311 and grab 312, be two adjacent clamping rings 31, one grab 312 is fastened in another first draw-in groove 311, to realize the clamping of two adjacent clamping rings 31.So arrange, can satisfy the ocean situations such as bending of flexible pipe in the actual arrangement process equally.A plurality of clamping rings 31 can be integral structure, when producing, and can integral molding.
Wherein, each clamping ring 31 can by the two ends of metal cylinder in the opposite direction flange form, the first concrete draw-in groove 311 can be U-shaped draw-in groove, grab 312 has the card wall 314 that is fastened in first draw-in groove 311, and two equal butts of sidewall that should block wall 314 and first draw-in groove 311, for prevent that card wall 314 from skidding off from first draw-in groove 311, the notch place of first draw-in groove 311 also is provided with to first draw-in groove, the 311 inner lug bosses 313 that extend.
In addition, as shown in Figure 2, in the present embodiment, resistance to compression layer 6 can comprise the resistance to compression monomer 61 of a plurality of annulars, each resistance to compression monomer 61 comprises whole metallic support 612 for annular and is coated on the plastic substrate of metallic support 612 outsides, one end of each resistance to compression monomer 61 is provided with second draw-in groove 613, and the other end is provided with the projection 611 that may be stuck in second draw-in groove 613, and two adjacent resistance to compression monomers 61 are connected by second draw-in groove 613 and projection 611.So arrange, can satisfy the ocean situations such as bending of flexible pipe in the actual arrangement process.Wherein in carrying out production process, just can realize the cooperation of two resistance to compression monomers 61, metallic support and plastic substrate are processed to form the resistance to compression layer together.
Wherein, second draw-in groove 613 can be provided with two relative bond ends 614 that extend to the inside of second draw-in groove 613, also is provided with two extension parts 615 that can be overlapped on respectively on the bond end 614 on the projection 611 simultaneously.With this extension part 615 on projection 611 is overlapped on the bond end 614 of second draw-in groove 613, with this cooperation that realizes second draw-in groove 613 and projection 611, finally realizes the connection of two adjacent resistance to compression monomers 61.
As Fig. 3, Fig. 4 and shown in Figure 5, preferably, in order further to reduce the weight that flexible pipe is used in this ocean, reduce its manufacture cost, can metallic support 612 be set to " worker " font or " E " font along this ocean with the cross section of flexible pipe radial direction, concrete can be horizontal " worker " font, perhaps horizontal " E " font, and the closed end of horizontal " E " font is more near stretch-resisting layer 5.Certainly can also not limit at this for " U " font.
In the present embodiment, stretch-resisting layer can be the spiral helicine fibre reinforced materials band of multi-lay winding on resistance to compression layer 6, and the Hand of spiral of the spiral helicine fibre reinforced materials band of adjacent two layers is opposite, wherein Hand of spiral refers to use on the bearing of trend of flexible pipe along this ocean, and spiral helicine fibre reinforced materials band is rotated counterclockwise or turns clockwise.Namely use a bearing of trend of flexible pipe along the ocean, the spiral helicine fibre reinforced materials band of one deck is for being rotated counterclockwise, and the spiral helicine fibre reinforced materials band that then is adjacent is for turning clockwise.So arrange, stretch-resisting layer 5 can be resisted from the tensile force of ocean with two bearing of trends of flexible pipe, has strengthened the tensile strength of resistance to compression layer 6 accordingly.
Wherein, preferably, the helix angle of the fibre reinforced materials band of every helical layer shape can be all between 30 °-60 °.Wherein helix angle refers on the cylndrical surface, the tangent line of circular helix and by acute angle folded between the cylndrical surface straight edge line at point of contact.
Certainly, the fibre reinforced materials band of every helical layer shape can be even spiral, and namely the distance between the two screw thread corresponding points that the fibre reinforced materials band of every helical layer shape is adjacent is identical.
Certainly, the spiral helicine fibre reinforced materials band of one deck can also only be set as stretch-resisting layer 5, preferably, the helix angle of the spiral helicine fibre reinforced materials band of one deck can be set to about 55 ° or 55 °.
Wherein, for the ease of temperature, pressure and the flow in the usefulness flexible pipe of monitoring ocean, can also arrange in order to monitor this ocean with the optical fiber of temperature, pressure and the flow of flexible pipe in that stretch-resisting layer 5 is inner, so arrange, just can monitor the ocean with the flow of the transportation of substances in the flexible pipe etc.
In addition, when carrying out actual production, can also be at the external protection 1 inner prefabricated circuit pipe 4 that is used for placing circuit of using the parallel to an axis of flexible pipe to arrange with this ocean.So arrange, circuit can be placed circuit pipe 4, be more convenient for the setting of circuit.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an ocean flexible pipe is characterized in that, its structure is followed successively by framework layer (3), inside liner (2), resistance to compression layer (6), stretch-resisting layer (5) and external protection (1) from inside to outside;
Described framework layer (3) is for having the metal frame layer of supporting effect;
Described inside liner (2) and external protection (1) are plastic layer;
Described resistance to compression layer (6) comprises metallic support (612) and is coated on the outside plastic substrate of described metallic support (612);
Described stretch-resisting layer (5) is spiral helicine fibre reinforced materials band, and described spiral helicine fibre reinforced materials band is wound on described resistance to compression layer (6) outer wall.
2. ocean according to claim 1 flexible pipe is characterized in that described metal frame layer is Stainless Steel Tube, and circumferentially is provided with the annular protrusion that can make described Stainless Steel Tube bending along described Stainless Steel Tube.
3. ocean according to claim 1 flexible pipe, it is characterized in that, described metal frame layer comprises the clamping ring (31) of a plurality of mutual engagings, one end of each clamping ring (31) is provided with first draw-in groove (311), the other end is provided with the grab (312) that is stuck in described first draw-in groove (311), and adjacent two described clamping rings (31) are by the engagement connection of described first draw-in groove (311) and grab (312).
4. ocean according to claim 1 flexible pipe, it is characterized in that, described resistance to compression layer (6) comprises the resistance to compression monomer (61) of a plurality of annulars, each resistance to compression monomer (61) comprises whole metallic support (612) for annular and is coated on the outside plastic substrate of metallic support (612), one end of each resistance to compression monomer (61) is provided with second draw-in groove (613), the other end is provided with the projection (611) that is stuck in described second draw-in groove (613), and adjacent two described resistance to compression monomers (61) are connected by described second draw-in groove (613) and projection (611).
5. ocean according to claim 4 flexible pipe is characterized in that, the cross section with the flexible pipe radial direction along this ocean of described metallic support (612) is " worker " font or " E " font.
6. ocean according to claim 1 flexible pipe, it is characterized in that, described stretch-resisting layer (5) is the spiral helicine fibre reinforced materials band of multi-lay winding on described resistance to compression layer (6), and the Hand of spiral of the described spiral helicine fibre reinforced materials band of adjacent two layers is opposite.
7. ocean according to claim 6 flexible pipe is characterized in that the helix angle of every layer of described spiral helicine fibre reinforced materials band is 30 °-60 °.
8. ocean according to claim 1 flexible pipe is characterized in that, described stretch-resisting layer (5) is inner also to be provided with in order to monitor this ocean with the optical fiber of temperature, pressure and the flow of flexible pipe.
9. ocean according to claim 1 flexible pipe is characterized in that, also comprises being formed on the inner circuit pipe (4) that is used for placing circuit that arranges with the parallel to an axis of flexible pipe with this ocean of described external protection (1) in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076022 CN203215118U (en) | 2013-02-18 | 2013-02-18 | Flexible pipe for oceans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076022 CN203215118U (en) | 2013-02-18 | 2013-02-18 | Flexible pipe for oceans |
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| Publication Number | Publication Date |
|---|---|
| CN203215118U true CN203215118U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320076022 Expired - Lifetime CN203215118U (en) | 2013-02-18 | 2013-02-18 | Flexible pipe for oceans |
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| Country | Link |
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| CN (1) | CN203215118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090126A (en) * | 2013-02-18 | 2013-05-08 | 孟庆义 | Flexible pipe for ocean |
| CN104075045A (en) * | 2014-06-30 | 2014-10-01 | 苏州征之魂专利技术服务有限公司 | Specially-shaped tube structure capable of expanding isolated synchronous conveying for various materials |
-
2013
- 2013-02-18 CN CN 201320076022 patent/CN203215118U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090126A (en) * | 2013-02-18 | 2013-05-08 | 孟庆义 | Flexible pipe for ocean |
| CN104075045A (en) * | 2014-06-30 | 2014-10-01 | 苏州征之魂专利技术服务有限公司 | Specially-shaped tube structure capable of expanding isolated synchronous conveying for various materials |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20150318 |
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| RGAV | Abandon patent right to avoid regrant |