CN208153884U - A kind of non-adherent compliant riser drum section interlocking resistance to compression armor - Google Patents
A kind of non-adherent compliant riser drum section interlocking resistance to compression armor Download PDFInfo
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- CN208153884U CN208153884U CN201820076259.8U CN201820076259U CN208153884U CN 208153884 U CN208153884 U CN 208153884U CN 201820076259 U CN201820076259 U CN 201820076259U CN 208153884 U CN208153884 U CN 208153884U
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Abstract
The utility model discloses a kind of non-adherent compliant riser drum sections to interlock resistance to compression armor, belongs to compliant riser armor technical field.It is entwined using outer drum material hurricane band and interior drum material hurricane band are mutually chimeric, the interlocking structure of high ply stacking angle is formed, wherein inside and outside drum material cross sectional shape is approximately I-shaped.Outer drum material section includes radial web, the axial side wing being connected with web both ends, the convex toothing made of the extension of interior right angle；Interior drum material section includes an axial web, the radial side wing being connected with web both ends, convex toothing made of axially extending.The mutually chimeric winding of interior drum material hurricane band and outer drum material hurricane band in the utility model, compliant riser internal jacket layer outer wall, which can be layed in, can effectively prevent separation and slippage between inside and outside drum material, while can improve the ability that resistance to compression armor resists radially inner and outer pressure.Therefore it can widely be applied in the design of deep-sea flexible riser resistance to compression armor structure.
Description
Technical field
The utility model belongs to compliant riser armor technical field, and in particular to a kind of non-adherent compliant riser drum section
Face interlocks resistance to compression armor.
Background technique
Marine oil and gas resource reserves account for about the 30%-40% of world's oil gas total amount, with landing field and Offshore petroleum resource
It increasingly reduces, the exploitation of deep-sea oil gas resource becomes more and more important.Production construction, installation and the maintenance period length and expense of steel risers
Height, and be easy to be influenced by complicated sea situation.Compliant riser has that resistance to corrosion is strong, is easily installed and recoverable etc.
Advantage is widely used in deep-sea oil gas resource development field.Due to China's deep-sea oil gas resource development technique deposit
Deficiency causes South Sea petroleum resources abundant to cannot get effective exploitation for a long time, and surrounding countries nibble without restraint, rob China South Sea
Resource.Therefore, the research and development technology for improving China's deep-sea oil gas resource equipment is imperative.
Compliant riser is divided into bonding compliant riser and non-adherent compliant riser, and the two is special by different geometries, material
Property be laid with layer constitute multi-layer compound structure.It bonds compliant riser and squeezes integrally or use chemical technology by physical method
Each layer is subjected to adhesion process, adjacent interlayer cannot be separated from each other and Relative sliding.Each layer of non-adherent compliant riser according to
Certain sequence is finely assembled, adjacent interlayer soap-free emulsion polymeization or even there are gap, can be separated from each other and Relative sliding, is had
Biggish axial rigidity and lower bending stiffness are widely used in the petrol resources exploitation of ultra-deep sea.
Non-adherent compliant riser is mainly by casing play, resistance to compression armor, tension armor, antifriction layer, inside and outside sheath
Layer etc. collectively forms.Wherein, resistance to compression armor is oneself formed by Z-type (or c-type, T-type) section along circular helix winding
Lock construction, ply stacking angle are mainly used for resisting radially inner and outer pressure close to 90 °.Meanwhile resistance to compression armor can be to internal jacket
Layer plays a certain protective role.
The patent of Publication No. CN103644399A discloses a kind of chimeric resistance to compression armor in composite soft tube trapezoid cross section,
It is characterized in that：It includes two profile shapes, and two profile shapes include a steel bar and an oblique I-steel band, the cross section of steel bar in etc.
Waist is trapezoidal, and the upper bottom of steel bar has the trapezoid boss to lower process, oblique I-steel band with upward trapezoid boss, bottom
By parallel upper flange and lower wing plate, and the inclination web composition being connected between upper flange and lower wing plate, and upper flange
Folded acute angle is equal with the base angle of steel bar between web, and the web length of oblique I-steel band and the side waist length of steel bar are suitable.
The apex angle of steel bar is embedded in the obtuse angle groove of oblique I-steel band, and the acute angle that the base angle of the same side is embedded in same skew back I-steel band is recessed
In slot, profile shapes is constituted, in the oblique I-steel band for the profile shapes that the steel bar insertion of another inverted profile shapes is just being set, two different
Profile is mutually chimeric to be circlewise wrapped on the liner layer outer wall of composite soft tube.But the scheme that the patent proposes not can effectively prevent
Slippage between inside and outside drum material, to realize interlocking.
The patent of Publication No. CN102927406A discloses a kind of composite soft tube Z-type section resistance to compression armor：Using different
Profile winding interlocking is formed, and the section of profile shapes is Z-type section, which includes first crossbeam, second cross beam, and connection the
The vertical beam of one crossbeam and second cross beam；First crossbeam includes the first upper wall surface and the first lower wall surface, is arranged on the first upper wall surface
Fluted, the end of first crossbeam is wholely set first hook formation extended downwardly；Second cross beam includes the second upper wall
Face and the second lower wall surface, the end of second cross beam are wholely set second hook formation upwardly extended.First crossbeam, second
Junction between crossbeam, vertical beam, the first hook formation and the second hook formation is arc joint angle；Profile shapes it is hook-shaped
For structure in the sunk area that the hook formation and vertical beam of adjacent profile shapes are formed, adjacent profile shapes is engaged.This is specially
Benefit uses Z-type section, cannot maximumlly save the use of material, while aesthetics cannot also ensure.
The utility model proposes resistance to compression armor inside and outside drum material section be approximately it is I-shaped, adjacent sections
Interior drum material and outer drum material are mutually chimeric, realize the convex tooth (the convex tooth of outer drum material) of interior drum material and correspond to outer work
It is mutually twisted between the groove area (groove area of interior drum material) of profile, can effectively prevent the slippage between inside and outside drum material.
Utility model content
The utility model aim, which is to provide, can be mutually twisted interlocking, and adjacent sections profile structure is effectively prevent to slip,
And improve a kind of non-adherent compliant riser drum section interlocking resistance to compression armor for supporting crush radial crush resistance.
The purpose of this utility model is realized by following technical solution：
A kind of non-adherent compliant riser drum section interlocks resistance to compression armor, it includes in one outside drum material hurricane band and one
Drum material hurricane band, and be entwined by the way that interior drum material hurricane band is chimeric with outer drum material hurricane band, the inside and outside drum material
Cross sectional shape be approximately I-shaped.
The section of the outer drum material includes a radial web, and web both ends are extended respectively in axial direction forms a side wing；
The exterior bottom wall end of the side wing extends to form a convex toothing, and the outer contour and abdomen of convex tooth along right angle inwardly
Plate, the contour line of side wing are parallel；A recess region, and the width of groove area are formed between the convex tooth and side wing inner bottom wall
It spends suitable with the tooth pitch of convex tooth.
The interior drum material section includes an axial web, and web both ends radially extend form a side wing, institute respectively
The exterior bottom wall end for stating side wing extends to form a convex toothing axially inside, and the outer contour of convex tooth and web
Contour line is parallel；A recess region, and the width of groove area are formed between the convex tooth and neighbouring web, side wing inner bottom wall
Degree is slightly larger than the tooth pitch of convex tooth.
The web and the web of interior drum material of the outer drum material are mutually chimeric, and the convex tooth of the interior drum material is embedded in phase
The groove area of adjacent outer drum material.Meanwhile the convex tooth of the outer drum material is embedded into the groove area of interior drum material, and there are one
Fixed gap；It is mutually twisted between the interior drum material of adjacent sections and outer drum material, and is wound along circular helix
Ring-type interlocking resistance to compression armor, can be laid on the internal jacket layer outer wall of compliant riser.
The outer drum material connects corner with the everywhere of interior drum material and is both provided with arc-shaped transition.
The outer drum material depth of section and its width ratio are about 0.86, and the web thickness of the outer drum material is about outer
2 times of drum material side wing wall thickness.
The convex tooth of the outer drum material is approximately square, and the width of convex tooth and outer drum material cross-sectional width ratio
About 0.25, convex tooth height and the height ratio in outer drum material section are about 0.38；The tooth of the outer drum material convex tooth
Away from identical as the thickness of the outer drum material side wing.
The depth of section of the interior drum material and its width ratio are about 0.82.The web thickness of the interior drum material is about
1.6 times of interior drum material side wing wall thickness.
The tooth pitch of the interior drum material convex tooth is suitable with the wall thickness of side wing, and the width of convex tooth and interior drum material are cut
The ratio of face width is about 0.33；The groove sector width of the interior drum material is about 1.2 times of tooth pitch of interior drum material convex tooth.
The inside and outside drum material is the helical steel band with drum section.
The ply stacking angle of the inside and outside drum material is about 89.3 °.
The beneficial effects of the utility model are：
The inside and outside drum material section of resistance to compression armor is approximately I-shaped, the interior work of adjacent sections in the utility model
Profile and outer drum material are mutually chimeric, realize the convex tooth (the convex tooth of outer drum material) and corresponding outer drum material of interior drum material
Groove area (groove area of interior drum material) between be mutually twisted, can effectively prevent the slippage between inside and outside drum material.
The inside and outside drum material of resistance to compression armor winds along circular helix and is laid on the inside of standpipe in the utility model
Restrictive coating outer wall, ply stacking angle are about 89.3 °, can significantly improve the ability that non-adherent compliant riser resists radial pressure, together
When certain constraint, protective effect are played to internal restrictive coating.
The connection corner of the inside and outside drum material of resistance to compression armor is both provided with arc-shaped transition in the utility model, can be effective
Stress concentration is dropped, the service life of structure is improved.
There are certain gap between the adjacent drum material section of resistance to compression armor in the utility model, and convex tooth and correspondence
Chimeric groove section is conducive to improve the drum material hurricane band deformation range under outer load effect there is also certain gap.Cause
This, the utility model is effectively applied in non-adherent compliant riser structure.
Detailed description of the invention
Fig. 1 is that non-adherent compliant riser drum section interlocks resistance to compression armor schematic three dimensional views；
Fig. 2 is the outer drum material schematic cross-section of resistance to compression armor；
Fig. 3 is the interior drum material schematic cross-section of resistance to compression armor；
Fig. 4 is the chimeric interlocking schematic diagram in inside and outside drum material section of resistance to compression armor；
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing：
Embodiment one：
A kind of non-adherent compliant riser drum section interlocking resistance to compression armor, resistance to compression armor includes outer drum material hurricane band
1 and interior drum material hurricane band 2, interior drum material hurricane band 2 and outer drum material hurricane band 1 are wound cricoid along circular helix
Resistance to compression armor.
The section of the outer drum material hurricane band 1 include outer work web 11, outer work side wing 12, outer work convex tooth 13,
Outer work groove area 15, outer work arc angle 10, outer work recess region 15, outer work exterior bottom wall 16, outer work inner bottom wall 17 and outer work web wall
18, and cross section structure form is symmetrical along the axis and horizontal line of outer work web 11；
Outer work web 11 is cuboid straight panel, and the both ends of outer work web 11 are respectively arranged with an outer work side wing 12, outer work
Side wing 12 is cuboid straight panel, including main body, outer work exterior bottom wall 16 and outer work inner bottom wall 17, outer work side wing 12 and outer work abdomen
Plate 11 vertically connects；Outer 16 end of work exterior bottom wall of outer work side wing 12 extends to form outer work convex tooth 13 along right angle inwardly,
And the outer contour of outer work convex tooth 13 is parallel with the contour line of outer work web 11, outer work side wing 12 respectively；Outer work convex
Outer work recess region 15 is formed between tooth 13 and the outer work inner bottom wall 17 of outer work side wing 12, and the width of outer work recess region 15 omits
Greater than the tooth pitch of outer work convex tooth 13.
The section of the interior drum material hurricane band 2 mainly includes interior work web 21, interior work side wing 22, interior work convex tooth
23, interior work groove area 24, interior work arc angle 20, interior work web wall 25, interior work exterior bottom wall 26 and interior work inner bottom wall 27, and cross section structure
Form is symmetrical along the axis and horizontal line of interior work web 21；
Work side wing 22 in one is respectively set in the both ends of interior work web 21, and interior work side wing 22 is cuboid straight panel, including
Main body, interior work exterior bottom wall 26 and interior work inner bottom wall 27, interior work side wing 22 and interior work web 21 vertically connect；Interior work side wing 22
Interior 26 end of work exterior bottom wall extend to form interior work convex tooth 23 inwardly along right angle, and the outer contour of interior work convex tooth 23 point
It is not parallel with the contour line of interior work web 21, interior work side wing 22；In the interior work of interior work convex tooth 23 and interior work side wing 22
Work groove area 24 in being formed between bottom wall 27, and the width of interior work groove area 24 is slightly larger than the tooth pitch of interior work convex tooth 23.
The everywhere connection corner of outer drum material hurricane band 1 is provided with outer 10 transition of work arc angle；Interior drum material hurricane band 2
Everywhere connection corner is provided with interior 20 transition of work arc angle.
The interior drum material hurricane band 2 and outer drum material hurricane band 1 connect in the following manner：The outer work abdomen of adjacent sections
Mutually chimeric between plate 11 and interior work web 22, interior work convex tooth 23 is inserted into inside adjacent outer work recess region 15, meanwhile, outer work
Convex tooth 13 is embedded into interior work groove area 24, outside the side wing exterior bottom wall 26 of adjacent interior drum material and the web of outer drum material
There are gaps between wall 18.
The ratio of outer 1 depth of section of drum material hurricane band and width is 0.86, and outer work web 11 is with a thickness of outer work
2 times of 16 thickness of exterior bottom wall；
The width of outer work convex tooth 13 and outer 1 material cross-sectional width ratio of drum material hurricane band are 0.25, convex tooth height with
The height ratio in outer drum material section is about 0.38；
Interior 2 depth of section of drum material hurricane band and its width ratio are about 0.82, outside the about interior work of interior 21 thickness of work web
1.6 times of 26 thickness of bottom wall；
The ratio of the width of interior work convex tooth 23 and interior 2 cross-sectional width of drum material hurricane band is about 0.33, interior work groove
About interior 1.2 times of 23 tooth pitch of the work convex tooth of 24 width of area.
The outer drum material hurricane band 1 and interior 2 ply stacking angle of drum material hurricane band are 89.3 °.
Embodiment two：
It should be strongly noted that non-adherent compliant riser is generally by the multi-layer compound structure including resistance to compression armor
It collectively forms, the innovation of the utility model is to improve the resistance to compression armor of non-adherent compliant riser, and proposes one kind
Drum section interlocks resistance to compression armor.
As shown in Figure 1, the resistance to compression armor in the utility model includes outer drum material hurricane band 1 and interior drum material hurricane band
2, cross sectional shape is all approximate in I-shaped.Interior drum material hurricane band 2 and outer drum material hurricane band 1 are along circular helix winding shape
Resistance to compression armor circlewise, and ply stacking angle α is about 89.3 °.Resistance to compression armor can be laid on the interior of non-adherent compliant riser
Portion's restrictive coating outer wall can improve the energy that radially inner and outer pressure is resisted when compliant riser work by unique spiral interlocking structure
Power, and certain constraint and protective effect can be played to internal restrictive coating.
Below in conjunction with Fig. 2 and Fig. 3 to outer drum material hurricane band 1, the interior drum material spiral shell in the utility model resistance to compression armor
The structure design of rotation band 2 is analyzed, and illustrates the basic structure form and dimensional parameters in its section.
As shown in Fig. 2, the section of outer drum material 1 mainly includes a web 11, side wing 12, convex tooth 13, groove area 15,
And cross section structure form bilateral symmetry.The both ends of web 11 are respectively arranged with a side wing 12, and the structure of side wing 12 further includes
Exterior bottom wall 16 and inner bottom wall 17, exterior bottom wall 16 can be contacted directly with the internal jacket layer outer wall of compliant riser or antifriction layer；Side
16 end of exterior bottom wall of wing plate 12 extends to form convex tooth 13 along right angle inwardly, and the outer contour of convex tooth 13 respectively with abdomen
Plate 11, the contour line of side wing 12 are parallel；A recess region 15 is formed between the convex tooth 13 and the inner bottom wall 17 of side wing,
And the width of groove area 15 and the tooth pitch of convex tooth 13 are suitable.
As shown in figure 3, the section of interior drum material 2 mainly includes a web 21, side wing 22, convex tooth 23 and groove area
24, and interior drum material section is symmetrical above and below.The both ends of web 21 are respectively arranged with a side wing 22, and the structure of side wing 22 is also wrapped
Include an exterior bottom wall 26 and an inner bottom wall 27；The exterior bottom wall 26 of 22 end of side wing extends to form a convex tooth 23 axially inside,
And the outer contour of convex tooth 23 is parallel with the contour line of web 21；The convex tooth 23 and web outer wall 25, side wing it is interior
A recess region 24 is formed between bottom wall 27, and the width of groove area 24 is slightly larger than the tooth pitch of convex tooth 23.
In embodiment described above, the everywhere connection corner of outer drum material 1 is provided with 10 transition of arc, interior drum material
2 everywhere connection corner is provided with 20 transition of arc, to reduce stress concentration.
In embodiment described above, the depth of section of the China and foreign countries Fig. 2 drum material 1 and the ratio of width are about 0.86, and abdomen
The thickness of plate 11 is about 2 times of 12 wall thickness of side wing；12 thickness of side wing is identical as the tooth pitch of convex tooth 13, and its thickness is about
0.9mm；The ratio of the height of convex tooth 13 and outer drum material depth of section is about 0.38, width and outer drum material cross-sectional width
Ratio is about 0.25, and 13 shape of convex tooth is approximately square.
In embodiment described above, the depth of section of interior drum material 2 and the ratio of width are about 0.82 in Fig. 3, interior work
The thickness of profile web 21 is about 1.6 times of wall thickness of interior drum material side wing 22；The thickness of side wing 22 and the tooth of convex tooth 23
Away from identical, thickness is about 0.9mm；The ratio of the width of convex tooth 23 and interior drum material cross-sectional width is about 0.33, and groove
The width in area 24 is about 1.2 times of 23 tooth pitch of convex tooth.
In embodiment described above, outer drum material 1 and interior drum material 2 are all made of the helical steel band with drum section,
And it is wound cyclic annular resistance to compression armor along circular helix, and ply stacking angle is about 89.3 °.
The winding interlocking shapes of the utility model resistance to compression armor can refer to Fig. 4 and Fig. 1.As shown in figure 4, outside adjacent sections
Mutually chimeric between the web 11 of drum material and the web 21 of interior drum material, the convex tooth 23 of interior drum material is inserted into adjacent outer drum
Inside the groove area 15 of material, since the width of groove area 15 is suitable with the tooth pitch of convex tooth 23, so that the side wall of the two occurs tightly
Contiguity touching；Meanwhile the convex tooth 13 of outer drum material is embedded into the groove area 24 of interior drum material, and 24 width of groove area is slightly larger than
The tooth pitch of convex tooth 13, so that there are certain gap, adjacent interior drum between web outer wall 25 and convex tooth lateral wall 14
There is also gaps between the side wing exterior bottom wall 26 of material and the web outer wall 18 of outer drum material.As shown in Figure 1, the outer work of adjacent sections
Profile 1 and interior drum material 2 are realized by corresponding convex tooth and groove section interlocking to be interlocked, and is twined along circular helix
Around cyclic annular resistance to compression armor is formed, it can be layed in internal jacket layer outer wall, on the one hand can effectively prevent adjacent work profile structure
Slippage, on the other hand can provide certain protection and constraint for internal jacket layer.In addition, between adjacent drum material section, there are one
Fixed gap is conducive to the compliant riser stress deformation under outer load effect.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of non-adherent compliant riser drum section interlocks resistance to compression armor, it is characterised in that：Resistance to compression armor includes outer work
Profile hurricane band (1) and interior drum material hurricane band (2), interior drum material hurricane band (2) and outer drum material hurricane band (1) are along cylinder spiral shell
Spin line is wound cricoid resistance to compression armor.
2. a kind of non-adherent compliant riser drum section according to claim 1 interlocks resistance to compression armor, it is characterised in that：
The section of the outer drum material hurricane band (1) include outer work web (11), outer work side wing (12), outer work convex tooth (13),
Outer work groove area, outer work arc angle (10), outer work recess region, outer work exterior bottom wall (16), outer work inner bottom wall (17) and outer work web
Wall, and cross section structure form is symmetrical along the axis and horizontal line of outer work web (11)；
Outer work web (11) is cuboid straight panel, and the both ends of outer work web (11) are respectively arranged with an outer work side wing (12), outside
Work side wing (12) is cuboid straight panel, including main body, outer work exterior bottom wall (16) and outer work inner bottom wall (17), outer work side wing
(12) it is vertically connected with outer work web (11)；Outer work exterior bottom wall (16) end of outer work side wing (12) extends inwardly along right angle
Form outer work convex tooth (13), and the outer contour of outer work convex tooth (13) respectively with outer work web (11), outer work side wing
(12) contour line is parallel；It is recessed that outer work is formed between outer work convex tooth (13) and the outer work inner bottom wall (17) of outer work side wing (12)
Slot region, and the width of outer work recess region is slightly larger than the tooth pitch of outer work convex tooth (13).
3. a kind of non-adherent compliant riser drum section according to claim 1 interlocks resistance to compression armor, it is characterised in that：
The section of the interior drum material hurricane band (2) mainly include interior work web (21), interior work side wing, interior work convex tooth (23),
Interior work groove area, interior work arc angle (20), interior work web wall (25), interior work exterior bottom wall and interior work inner bottom wall (27), and cross section structure
Form is symmetrical along the axis and horizontal line of interior work web (21)；
The both ends of interior work web (21) are respectively set work side wing in one, and interior work side wing is cuboid straight panel, including main body, interior
Work exterior bottom wall and interior work inner bottom wall (27), interior work side wing and interior work web (21) vertically connect；Outside the interior work of interior work side wing
Bottom wall end extends to form interior work convex tooth (23) along right angle inwardly, and the outer contour of interior work convex tooth (23) respectively with it is interior
Work web (21), the contour line of interior work side wing are parallel；The interior work inner bottom wall of interior work convex tooth (23) and interior work side wing
(27) work groove area in being formed between, and the width of interior work groove area is slightly larger than the tooth pitch of interior work convex tooth (23).
4. a kind of non-adherent compliant riser drum section according to claim 1 or 2 or 3 interlocks resistance to compression armor, special
Sign is：The everywhere connection corner of outer drum material hurricane band (1) is provided with outer work arc angle (10) transition；Interior drum material hurricane band
(2) everywhere connection corner is provided with interior work arc angle (20) transition.
5. a kind of non-adherent compliant riser drum section according to claim 1 or 2 or 3 interlocks resistance to compression armor, special
Sign is that the interior drum material hurricane band (2) and outer drum material hurricane band (1) connect in the following manner：Outside adjacent sections
Mutually chimeric between work web (11) and interior work web, interior work convex tooth (23) is inserted into inside adjacent outer work recess region, meanwhile,
Outer work convex tooth (13) is embedded into interior work groove area, the side wing exterior bottom wall of adjacent interior drum material and the web of outer drum material
There are gaps between outer wall.
6. a kind of non-adherent compliant riser drum section according to claim 1 or 2 or 3 interlocks resistance to compression armor, special
Sign is：The ratio of outer drum material hurricane band (1) depth of section and width is 0.86, and outer work web (11) is with a thickness of outer
2 times of work exterior bottom wall (16) thickness；
The width of outer work convex tooth (13) and outer drum material hurricane band (1) material cross-sectional width ratio are 0.25, convex tooth height with
The height ratio in outer drum material section is 0.38；
Interior drum material hurricane band (2) depth of section and its width ratio are 0.82, and interior work web (21) is with a thickness of interior work exterior bottom wall
1.6 times of thickness；
The ratio of the width of interior work convex tooth (23) and interior drum material hurricane band (2) cross-sectional width is 0.33, interior work groove area
Width is 1.2 times of tooth pitch of interior work convex tooth (23).
7. a kind of non-adherent compliant riser drum section according to claim 1 interlocks resistance to compression armor, it is characterised in that：
The outer drum material hurricane band (1) and interior drum material hurricane band (2) ply stacking angle are 89.3 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820076259.8U CN208153884U (en) | 2018-01-17 | 2018-01-17 | A kind of non-adherent compliant riser drum section interlocking resistance to compression armor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820076259.8U CN208153884U (en) | 2018-01-17 | 2018-01-17 | A kind of non-adherent compliant riser drum section interlocking resistance to compression armor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119708A (en) * | 2018-01-17 | 2018-06-05 | 哈尔滨工程大学 | A kind of non-adherent compliant riser drum section interlocks resistance to compression armor |
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2018
- 2018-01-17 CN CN201820076259.8U patent/CN208153884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119708A (en) * | 2018-01-17 | 2018-06-05 | 哈尔滨工程大学 | A kind of non-adherent compliant riser drum section interlocks resistance to compression armor |
| CN108119708B (en) * | 2018-01-17 | 2023-12-08 | 哈尔滨工程大学 | Non-bonding flexible riser I-shaped section interlocking compression-resistant armor layer |
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