CN202955355U - Z-shaped-section pressure-resistant armored layer of composite hose - Google Patents

Z-shaped-section pressure-resistant armored layer of composite hose Download PDF

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Publication number
CN202955355U
CN202955355U CN2012205724186U CN201220572418U CN202955355U CN 202955355 U CN202955355 U CN 202955355U CN 2012205724186 U CN2012205724186 U CN 2012205724186U CN 201220572418 U CN201220572418 U CN 201220572418U CN 202955355 U CN202955355 U CN 202955355U
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China
Prior art keywords
side wall
wall surface
cross
section
attachment
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CN2012205724186U
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Chinese (zh)
Inventor
曹静
陈严飞
李新仲
谢彬
陈星�
周巍伟
沙勇
张恩勇
宋平娜
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China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
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HAIWANGXING OCEAN ENGINEERING TECHNOLOGY Co LTD TIANJIN CITY
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
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Abstract

The utility model relates to a Z-shaped-section pressure-resistant armored layer of a composite hose. The Z-shaped-section pressure-resistant armored layer of the composite hose is characterized by being formed by winding and interlocking special-shaped profiles with Z-shaped sections. Each section comprises a first beam, a second beam and a vertical beam connecting the first beam with the second beam. The first beam comprises a first upper wall surface and a first lower wall surface, wherein the first upper wall surface is provided with a groove, and a first hook structure extending downwards is integrally arranged at one end of the first beam; the second beam comprises a second upper wall surface and a second lower wall surface, and a second hook structure extending upwards is integrally arranged at one end of the second beam. Arc-shaped connection angles are arranged at the joints of the first beam, the second beam, the vertical beam, the first hook structure and the second hook structure. The hook structures of the special-shaped profile are nested in a recessed area formed by the hook structure of the adjacent special-shaped profile and the vertical beam, and the adjacent special-shaped profiles are meshed to each other. Fixing of ends of the special-shaped profiles is facilitated, and slipping off of the adjacent sections of the pressure-resistant armored layer can be prevented, so that the composite hose has higher flexibility, and the Z-shaped-section pressure-resistant armored layer can be widely applied to the structure of the composite hose.

Description

A kind of composite soft tube Z-type cross section resistance to compression armor
Technical field
The utility model relates to a kind of armor, particularly about a kind of ocean composite soft tube Z-type cross section resistance to compression armor.
Background technique
Submarine pipeline traditional, routine be take steel pipe as main, whole construction, installation and follow-up maintenance work cycle, long expense was high, the flexible compound pipeline that Abroad in Recent Years rises because anticorrosive property is good, submarine topography landforms strong adaptability, laying speed is fast, expense is low, be difficult for wax deposition and the conveying that advantage starts to be applied to seabed oil, G&W such as can reuse comes up.The flexible compound pipeline comprises cohesiveencess composite soft tube and non-adhesive composite soft tube; Wherein, the cohesiveencess composite soft tube generally is squeezed into one by polymeric layer and metal enhancement layer, after extrusion modling, by special operation, makes between polymer material layer and metal enhancement layer to produce higher bonding strength, and such flexible pipe generally is applied to the short distance jumper pipe.The non-adhesive composite soft tube is that the mode by physics combines by polymer material layer and metal enhancement layer, and layer does not need to use chemical technology bonding with interlayer, and each interlayer carrys out transmitted load by friction and contact, and it is better flexible.The non-adhesive composite soft tube is generally used for the pipeline of long distance and high pressure and carries, and it is more and more extensive that it is applied in ocean engineering the conveying to crude oil or rock gas or water.The non-adhesive composite soft tube becomes the main flow structure in flexible pipe gradually, by framework layer, inside liner, the resistance to compression armor, the tension armor, the composite pipe body structure that the multilayers such as external coating form, wherein the resistance to compression armor mainly provides the opposing radial force, and interlock formation by profile shapes, profile shapes has Z, C, X, T-shaped etc., the resistance to compression armor becomes wide-angle to be entwined by profile shapes with tubular axis, winding angle is generally close to 90 degree, can provide larger circumferential force to press than imperial palace with opposing, inside liner is played to effect of contraction, prevent the inside liner explosion, the resistance to compression armor has certain gap after being wound around between adjacent cross section, can make composite soft tube there is certain flexibility.It is joint that the resistance to compression armor can provide the prerequisite of pressing than imperial palace has well fixing to the end of resistance to compression armor steel wire, when joint can not provide well fixedly to resistance to compression armor steel cord end, the resistance to compression armor can not provide the ability of pressing in opposing well, it passes to the tension armor by interior pressure soon, because the steel wire winding angle of tension armor is less of 30 degree~40 degree, the tension armor is mainly the opposing axial force, the ability of opposing circumferential force is very weak, and joint and resistance to compression armor steel cord end is fixing extremely important thus.Due to certain gap being arranged between adjacent cross section, although guaranteed that like this composite soft tube has certain flexibility, but brought hidden danger simultaneously, when bending is excessive or axial motion when excessive, motion between adjacent sections is excessive, the possibility mutually skidded off is arranged between adjacent cross section, cause the cross section interlocking function to be lost.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide and a kind ofly can interlocks, prevent that resistance to compression armor adjacent sections from skidding off mutually, and can make composite soft tube have the composite soft tube Z-type cross section resistance to compression armor of better flexibility.
For achieving the above object, the utility model is taked following technological scheme: a kind of composite soft tube Z-type cross section resistance to compression armor, it is characterized in that: it adopts profile shapes to be wound around interlocking and forms, the WeiZXing cross section, cross section of described profile shapes, this described cross section comprises first crossbeam, second cross beam, and the vertical beam that connects described first crossbeam and second cross beam; Described first crossbeam comprises the first upper wall surface and the first lower wall surface, on described the first upper wall surface, is provided with groove, and the end of described first crossbeam is wholely set first hook formation to downward-extension; Described second cross beam comprises the second upper wall surface and the second lower wall surface, and the end of described second cross beam has been wholely set upwardly extending second hook formation; Described vertical beam comprises the first side wall and the second sidewall; Described groove is arranged on the first upper wall surface of described first crossbeam, and is positioned at the position be connected with described vertical beam; Being connected of the first upper wall surface of the both sides of described groove and described first crossbeam all adopts the arc angle of attachment to connect; Described the first hook formation comprises the first exterior side wall and the first internal side wall, and the first hook portion end face that connects described the first exterior side wall and the first internal side wall; Described the first exterior side wall connects with the employing arc angle of attachment that is connected of the first upper wall surface of described first crossbeam; The two ends of described the first hook portion end face also adopt the arc angle of attachment to be connected with the joint of described the first exterior side wall and the first internal side wall; Being connected of the first lower wall surface of described the first internal side wall and described first crossbeam also adopts the arc angle of attachment to connect; The first lower wall surface of described first crossbeam connects with also adopting the arc angle of attachment being connected of the first side wall of described vertical beam; Being connected of the second lower wall surface of the first side wall of described vertical beam and described second cross beam also adopts the arc angle of attachment to connect; Described the second hook formation comprises the second exterior side wall and the second internal side wall, and the second hook portion end face that connects described the second exterior side wall and the second internal side wall; Described the second exterior side wall connects with the employing arc angle of attachment that is connected of the second lower wall surface of described second cross beam; Described the second hook portion end face two ends connect with also adopting the arc angle of attachment being connected of described the second exterior side wall and the second internal side wall; Described the second internal side wall is connected with the second upper wall surface of described second cross beam and also adopts the arc angle of attachment to connect; The second upper wall surface of described second cross beam connects with also adopting the arc angle of attachment being connected of the second sidewall of described vertical beam; The second sidewall of described vertical beam connects with also adopting the arc angle of attachment being connected of the first upper wall surface of described first crossbeam; The hook formation of described profile shapes is embedded in the sunk area that the hook formation of adjacent described profile shapes and described vertical beam form, and adjacent described profile shapes is engaged.
The ratio range of the Z-type section thickness of the degree of depth of described groove and described profile shapes is 2.5%~5%.
The ratio range of the width of described groove and the degree of depth of described groove is 3~5.
The bottom of described groove is arc, and the both sides of described groove are all tangent with the bottom circular arc of described groove.
Described profile shapes is the steel wire with Z-type cross section.
The winding angle of described profile shapes and composite soft tube tubular axis is close to 90 degree.
The utility model is owing to taking above technological scheme, it has the following advantages: 1, the utility model forms the WeiZXing cross section, cross section of the profile shapes of resistance to compression armor, this cross section comprises hook formation, groove and sunk area, after being wound around, the profile shapes adjacent sections is engaged, the interior pressure of inside liner is converted into to the pulling force of resistance to compression armor steel wire, the ability of pressing in the opposing is provided, there is certain gap between the cross section due to interlock mutually simultaneously, when bending, composite soft tube can make the motion mutually in certain interval of resistance to compression armor profile shapes adjacent sections, the resistance to compression armor does not bear moment of flexure, also there is good flexibility simultaneously.2, be provided with groove on the first upper wall surface of the first crossbeam of the utility model profile shapes, groove is convenient to the chucking of snap ring and steel cord end, effectively guarantees the fixing of joint and steel cord end.3, the skin of the utility model resistance to compression armor is abrasionproof extrusion molding layer, and abrasionproof extrusion molding layer fills up the groove on resistance to compression armor profile shapes, has limited thus the motion of the profile shapes adjacent sections of resistance to compression armor.The utility model is convenient to profile shapes end fixing of joint and resistance to compression armor, can effectively prevent mutually skidding off of resistance to compression armor adjacent sections, makes composite soft tube have good flexibility, and therefore, the structure that can be widely used in composite soft tube arranges simultaneously.
The accompanying drawing explanation
Fig. 1 is the utility model composite hose structure schematic diagram
Fig. 2 is the utility model composite soft tube resistance to compression armor schematic cross-section
Fig. 3 is the utility model composite soft tube resistance to compression armor adjacent different section bar cross section interlocking schematic diagram
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the composite hose structure that the utility model is related comprises successively framework layer 1, inside liner 2, resistance to compression armor 3, the first abrasionproof extrusion molding layer 4, the first tension armor 5, the second abrasionproof extrusion molding layer 6, the second tension armor 7, the 3rd abrasionproof extrusion molding layer 8, thermal insulation layer 9, external coating 10 from the internal layer to the skin.Wherein, framework layer 1 is formed by the interlocking steel strip winding, for preventing the conquassation of inside liner 2, and the interior conveying fluid of framework layer 1; Inside liner 2 is for carrying the sealing layer of fluid, and the outer winding one deck of inside liner 2 also can be wound around Multi-layer compressive armor 3, and resistance to compression armor 3 is non-adhesive layer, the interlayer changing of the relative positions mutually.External coating 7 can effectively prevent that the fluid around composite soft tube from flowing to armor.
As shown in Figure 2, resistance to compression armor 3 of the present utility model is wound around interlocking by profile shapes 11 and forms, and the winding angle of profile shapes 11 and composite soft tube tubular axis is close to 90 degree.The ,Gai cross section, WeiZXing cross section, cross section of the utility model profile shapes 11 comprises first crossbeam 12, second cross beam 13, and the vertical beam 14 that connects first crossbeam 12 and second cross beam 13, and first crossbeam 12, second cross beam 13 and vertical beam 14 form the Z-type structure.First crossbeam 12 comprises on the first upper wall surface 15 and the first lower wall surface 16, the first upper wall surfaces 15 and is provided with groove 17, and the end of first crossbeam 12 is wholely set first hook formation 18 to downward-extension.Second cross beam 13 comprises the second upper wall surface 19 and the second lower wall surface 20, and the end of second cross beam 13 has been wholely set upwardly extending second hook formation 21.Vertical beam 14 comprises the first side wall 22 and the second sidewall 23.Between the first hook formation 18 and vertical beam 14, between the second hook formation 21 and vertical beam 14, all form sunk area.
As shown in Figure 2, groove 17 is arranged on the first upper wall surface 15 of first crossbeam 12, and is positioned at the position be connected with vertical beam 14.The both sides 24 of groove 17 connect with all adopting arc angle of attachment 25 being connected of the first upper wall surface 15 of first crossbeam 12.
As shown in Figure 2, the first hook formation 18 comprises the first exterior side wall 26 and the first internal side wall 27, and connects the 1 of the first exterior side wall 26 and the first internal side wall 27.The first exterior side wall 26 connects with the employing arc angle of attachment 25 that is connected of the first upper wall surface 15 of first crossbeam 12; The two ends of the first hook portion end face 28 also adopt arc angle of attachment 25 to be connected with the joint of the first exterior side wall 26 and the first internal side wall 27; Being connected of the first lower wall surface 16 of the first internal side wall 27 and first crossbeam 12 also adopts arc angle of attachment 25 to connect; The first lower wall surface 16 of first crossbeam 12 connects with also adopting arc angle of attachment 25 being connected of the first side wall 22 of vertical beam 14; The first side wall 22 of vertical beam 14 connects with also adopting arc angle of attachment 25 being connected of the second lower wall surface 20 of second cross beam 13.
As shown in Figure 2, the second hook formation 21 comprises the second exterior side wall 29 and the second internal side wall 30, and the second hook portion end face 31 that connects the second exterior side wall 29 and the second internal side wall 30.The second exterior side wall 29 connects with the employing arc angle of attachment 25 that is connected of the second lower wall surface 20 of second cross beam 13; The second hook portion end face 31 two ends connect with also adopting arc angle of attachment 25 being connected of the second exterior side wall 29 and the second internal side wall 30; The second internal side wall 30 is connected with the second upper wall surface 19 of second cross beam 13 and also adopts arc angle of attachment 25 to connect; The second upper wall surface 19 of second cross beam 13 connects with also adopting arc angle of attachment 25 being connected of the second sidewall 23 of vertical beam 14.The second sidewall 23 of vertical beam 14 connects with also adopting arc angle of attachment 25 being connected of the first upper wall surface 15 of first crossbeam 12.
In above-mentioned example, the ratio range of the Z-type section thickness of the degree of depth of groove 17 and profile shapes 11 is 2.5%~5%; The ratio range of the degree of depth of the width of groove 17 and groove 17 is 3~5; The circumscription of the relative position of groove 17, the degree of depth, width is less for the Z-type stress distribution impact of profile shapes 11.
In above-mentioned example, the bottom of groove 17 is arc, and the both sides of groove 17 are all tangent with the bottom circular arc of groove 17.
In above-mentioned example, being wound around the profile shapes 11 that forms resistance to compression armor 3 is steel wire, and steel wire generally adopts carbon steel, and the WeiZXing cross section, cross section of profile shapes 11 forms resistance to compression armor 3 by the winding to profile shapes 11.
The winding, molding method of the utility model resistance to compression armor 3 comprises the following steps.
1) profile shapes 11 is steel wire, and WeiZXing cross section, cross section, this cross section comprises hook formation, groove, sunk area, profile shapes 11 is wrapped in the periphery of inside liner 2, form resistance to compression armor 3, after being wound around, the adjacent sections of profile shapes 11 is engaged, as shown in Figure 3, the hook formation of profile shapes 11 is embedded in the sunk area that the hook formation of adjacent different section bar 11 and vertical beam form, thereby engaged with adjacent different section bar 11, mutually between the cross section of interlock, there is certain gap simultaneously, when bending, composite soft tube can make adjacent sections motion mutually in certain interval of resistance to compression armor 3 profile shapes 11, resistance to compression armor 3 does not bear moment of flexure, the interior pressure of inside liner 2 is converted into to the pulling force of resistance to compression armor 3 steel wires, the ability of pressing in the opposing is provided, also there is good flexibility simultaneously.
2) skin of resistance to compression armor 3 is abrasionproof extrusion molding layer, and abrasionproof extrusion molding layer fills up the groove 17 on resistance to compression armor 3 profile shapes 11, has limited thus the motion of profile shapes 11 adjacent sections of resistance to compression armor 3.
3) by the steel cord end chucking of snap ring and resistance to compression armor 3, then snap ring and joint are fixed.
4) be provided with groove 17 on the first upper wall surface 15 of the first crossbeam 12 of profile shapes 11, groove 17 is convenient to the chucking of snap ring and steel cord end, effectively guarantees the fixing of joint and steel cord end.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, Placement etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.

Claims (10)

1. a composite soft tube Z-type cross section resistance to compression armor, it is characterized in that: it adopts profile shapes to be wound around interlocking and forms, the WeiZXing cross section, cross section of described profile shapes, this described cross section comprises first crossbeam, second cross beam, and the vertical beam that connects described first crossbeam and second cross beam; Described first crossbeam comprises the first upper wall surface and the first lower wall surface, on described the first upper wall surface, is provided with groove, and the end of described first crossbeam is wholely set first hook formation to downward-extension; Described second cross beam comprises the second upper wall surface and the second lower wall surface, and the end of described second cross beam has been wholely set upwardly extending second hook formation; Described vertical beam comprises the first side wall and the second sidewall;
Described groove is arranged on the first upper wall surface of described first crossbeam, and is positioned at the position be connected with described vertical beam; Being connected of the first upper wall surface of the both sides of described groove and described first crossbeam all adopts the arc angle of attachment to connect;
Described the first hook formation comprises the first exterior side wall and the first internal side wall, and the first hook portion end face that connects described the first exterior side wall and the first internal side wall; Described the first exterior side wall connects with the employing arc angle of attachment that is connected of the first upper wall surface of described first crossbeam; The two ends of described the first hook portion end face also adopt the arc angle of attachment to be connected with the joint of described the first exterior side wall and the first internal side wall; Being connected of the first lower wall surface of described the first internal side wall and described first crossbeam also adopts the arc angle of attachment to connect; The first lower wall surface of described first crossbeam connects with also adopting the arc angle of attachment being connected of the first side wall of described vertical beam; Being connected of the second lower wall surface of the first side wall of described vertical beam and described second cross beam also adopts the arc angle of attachment to connect;
Described the second hook formation comprises the second exterior side wall and the second internal side wall, and the second hook portion end face that connects described the second exterior side wall and the second internal side wall; Described the second exterior side wall connects with the employing arc angle of attachment that is connected of the second lower wall surface of described second cross beam; Described the second hook portion end face two ends connect with also adopting the arc angle of attachment being connected of described the second exterior side wall and the second internal side wall; Described the second internal side wall is connected with the second upper wall surface of described second cross beam and also adopts the arc angle of attachment to connect; The second upper wall surface of described second cross beam connects with also adopting the arc angle of attachment being connected of the second sidewall of described vertical beam; The second sidewall of described vertical beam connects with also adopting the arc angle of attachment being connected of the first upper wall surface of described first crossbeam;
The hook formation of described profile shapes is embedded in the sunk area that the hook formation of adjacent described profile shapes and described vertical beam form, and adjacent described profile shapes is engaged.
2. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 1, it is characterized in that: the ratio range of the Z-type section thickness of the degree of depth of described groove and described profile shapes is 2.5%~5%.
3. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 1, it is characterized in that: the ratio range of the width of described groove and the degree of depth of described groove is 3~5.
4. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 2, it is characterized in that: the ratio range of the width of described groove and the degree of depth of described groove is 3~5.
5. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: the bottom of described groove is arc, the both sides of described groove are all tangent with the bottom circular arc of described groove.
6. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described profile shapes is the steel wire with Z-type cross section.
7. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 5, it is characterized in that: described profile shapes is the steel wire with Z-type cross section.
8. as claim 1 or 2 or 3 or 4 or 7 described a kind of composite soft tube Z-type cross section resistance to compression armors, it is characterized in that: the winding angle of described profile shapes and composite soft tube tubular axis is close to 90 degree.
9. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 5, it is characterized in that: the winding angle of described profile shapes and composite soft tube tubular axis is close to 90 degree.
10. a kind of composite soft tube Z-type cross section resistance to compression armor as claimed in claim 6, it is characterized in that: the winding angle of described profile shapes and composite soft tube tubular axis is close to 90 degree.
CN2012205724186U 2012-11-01 2012-11-01 Z-shaped-section pressure-resistant armored layer of composite hose Active CN202955355U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927406A (en) * 2012-11-01 2013-02-13 中国海洋石油总公司 Z-shaped-section pressure-resisting armor layer for composite hoses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927406A (en) * 2012-11-01 2013-02-13 中国海洋石油总公司 Z-shaped-section pressure-resisting armor layer for composite hoses

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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Patentee after: China National Offshore Oil Corporation

Patentee after: CNOOC Research Institute

Patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Patentee before: China National Offshore Oil Corporation

Patentee before: CNOOC Research Institute

Patentee before: Haiwangxing Ocean Engineering Technology Co., Ltd, Tianjin City

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CP01 Change in the name or title of a patent holder

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee after: CNOOC research institute limited liability company

Patentee after: China Offshore Oil Group Co., Ltd.

Co-patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee before: CNOOC Research Institute

Patentee before: China National Offshore Oil Corporation

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Effective date of registration: 20210805

Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen

Patentee after: CHINA NATIONAL OFFSHORE OIL Corp.

Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd.

Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen

Patentee before: CHINA NATIONAL OFFSHORE OIL Corp.

Patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd.

Patentee before: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co.,Ltd.