CN107504299A - Gathering pipe for ship pipeline - Google Patents
Gathering pipe for ship pipeline Download PDFInfo
- Publication number
- CN107504299A CN107504299A CN201710742684.6A CN201710742684A CN107504299A CN 107504299 A CN107504299 A CN 107504299A CN 201710742684 A CN201710742684 A CN 201710742684A CN 107504299 A CN107504299 A CN 107504299A
- Authority
- CN
- China
- Prior art keywords
- special
- shaped
- short tube
- spheroid
- gathering pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/023—Universal and rotating joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a kind of gathering pipe for ship pipeline, and it includes special-shaped spheroid, special-shaped spherical shell and spheroid flange component, spherical shell flange component for being adapted with treating jointed tubular workpieces；The spherical outside surface of special-shaped spheroid one end and the rotatable clamping of inner surface of special-shaped spherical shell, the special-shaped spheroid other end are connected with spheroid flange component；Special-shaped spherical shell is connected with spherical shell flange component；Special-shaped ball body phase is 0~15 ° for the rotatable angle of special-shaped spherical shell.Gathering pipe also includes short tube and short tube gland, and the second columnar part is provided with flange, the first screw is offered on flange；The second screw is offered on short tube gland；One end of short tube is placed in the second columnar part, and the other end of short tube is connected with spheroid flange component；Fastener by being arranged in the first screw and the second screw makes short tube and the movable connection of the second columnar part.The gathering pipe of the present invention without field lofting or measurement can finished product make, produce in batches and can be mounted directly, the production cycle shortens so that improving production efficiency.
Description
Technical field
The present invention relates to pipe joint technical field, more particularly to a kind of gathering pipe for ship pipeline.
Background technology
Ship pipeline is made up of the different pipe fitting of various diameters, and the quantity of pipe fitting is big, wide in variety, specification is miscellaneous, therefore,
Need gathering pipe that different pipe fittings is connected, so as to form the system pipeline required by ship.
In the prior art, conventional gathering pipe is typically necessary field lofting or measurement, and then is carried for its making and installation
For foundation.Thus, since making conventional gathering pipe, manufacturing process until install, it is necessary to from scene to atelier, from making
Workshop to scene, multiple space conversion, material it is mobile etc., consume the long time cycle.
However, as the continuous speed-raising that shipbuilding industry produces, the continuous compression of production cycle, above-mentioned preparation method have been got over
To be more difficult to the efficiency requirements for meeting industry, and lose competitive advantage.
The content of the invention
The technical problem to be solved in the present invention is to overcome the fabrication cycle of conventional gathering pipe of the prior art long, raw
Produce the defects of efficiency is low, there is provided a kind of gathering pipe for ship pipeline.
The present invention is that solve above-mentioned technical problem by following technical proposals：
A kind of gathering pipe for ship pipeline, its feature be, the gathering pipe include special-shaped spheroid, special-shaped spherical shell with
And spheroid flange component, spherical shell flange component for being adapted with treating jointed tubular workpieces, wherein：
The spherical outside surface of described special-shaped spheroid one end and the rotatable clamping of inner surface of the special-shaped spherical shell, the special-shaped ball
The body other end is connected with the spheroid flange component；
The special-shaped spherical shell is connected with the spherical shell flange component；
The special-shaped ball body phase is 0~15 ° for the special-shaped rotatable angle of spherical shell.
The gathering pipe for ship pipeline of the present invention includes four parts, is respectively：Special-shaped spheroid, special-shaped spherical shell, ball
Body flange component and spherical shell flange component, using the structure can obtain two aspect beneficial effect, first, gathering pipe can finished product
Make, batch production, and can directly load onto ship without field lofting or measurement, completely left out gathering pipe fabrication cycle；The
2nd, spherical shell, spheroid coordinate, and can adjust the angular deviation of pipe connection, and maximum can adjust 15 °.
Preferably, the special-shaped spheroid includes：
First arc sections, first arc sections are used for the rotatable clamping of inner surface with the special-shaped spherical shell；
Second columnar part, one end of second columnar part are connected with first arc sections, second columnar part
The other end be connected with the spheroid flange component.
Preferably, the gathering pipe also includes：Fitted seal circle, accommodating cavity gland and accommodating cavity, wherein：
The accommodating cavity is formed in the extension of the special-shaped spherical shell and the outer surface space of first arc sections；
The fitted seal circle is located at the bottom of the accommodating cavity；
Described accommodating cavity gland one end is pressed against the fitted seal circle, and the other end of the accommodating cavity gland is placed in described
The opening portion of accommodating cavity, the accommodating cavity gland are removably installed in the accommodating cavity.
Preferably, the accommodating cavity gland is L-shaped, accommodating cavity gland described in L-shaped it is long-armed be placed in the accommodating cavity and
Abutted against with the fitted seal circle；The galianconism of accommodating cavity gland described in L-shaped is provided with screw；
The openend of the extension is provided with screw corresponding with the screw on the galianconism of the accommodating cavity gland；
Being connected by screw makes long-armed and described special-shaped spheroid one end of the fitted seal circle, the accommodating cavity gland
The rotatable clamping of spherical outside surface.
The gathering pipe for ship pipeline of the present invention, using accessories such as fitted seal circle, gland, screw and studs, makes
Gathering pipe body fits are good and convenient disassembly.
Preferably, the internal diameter of the spherical shell flange component and the spheroid flange component is unequal., can using different inner diameters
It is connected with the pipe fitting of different tube diameters.
Preferably, the gathering pipe also includes short tube and short tube gland, wherein：
Second columnar part is provided with flange, and the first screw is offered on the flange；
One end of the short tube is placed in second columnar part, the other end of the short tube and the spheroid flange component
Connection；
The second screw is offered on the short tube gland；
The short tube and second column are made by the fastener for being arranged in first screw and second screw
The movable connection in portion.
The gathering pipe for ship pipeline of the present invention, is compensated using short tube, to realize the adjustment of length variation, and
Can be according to the deviation for being actually needed configuration random length.
Preferably, the short tube is integrally formed with the spheroid flange component.
Preferably, the gathering pipe also includes compressing sealing ring, and the compression sealing ring is placed in second columnar part
Top and on the contact surface of the short tube gland and the short tube.
Preferably, second columnar part includes interface portion, wherein：
The interface portion is between the flange and the short tube gland；
The inner peripheral surface of the interface portion is engaged with the outer peripheral face of the short tube.
Preferably, first arc sections, second columnar part and the flange are integrally formed.
In the present invention, above-mentioned optimum condition can be combined on the basis of common sense in the field is met, and produce the present invention's
Each preferred embodiment.
The positive effect of the present invention is：
1st, the gathering pipe for ship pipeline of the invention, elimination pipeline setting angle deviation and length while can be effectively
Deviation, without in-site measurement, so as to shorten the production cycle, improve production efficiency；
2nd, the gathering pipe for ship pipeline of the invention, 360 ° of rotations between spheroid and spherical shell are passed through, it is possible to achieve
The angle compensation of any direction；
3rd, the gathering pipe for ship pipeline of the invention, by the relative movement between short tube and short tube gland, realize
Length compensation between pipeline；
4th, the gathering pipe for ship pipeline of the invention, is applicable to normal shipboard pipeline, treats the latus rectum model of jointed tubular workpieces
Enclose for DN100-800.
Brief description of the drawings
Fig. 1 is the broken section structure chart figure of the embodiment 1 of the gathering pipe for ship pipeline of the present invention.
Fig. 2 is the bilateral of the embodiment 1 of the gathering pipe for ship pipeline of the present invention with the first office for treating jointed tubular workpieces
Portion's sectional structure chart.
Fig. 3 is respectively provided with first for the bilateral of the embodiment 1 of the gathering pipe for ship pipeline of the present invention and treats jointed tubular workpieces
And the second broken section structure chart for treating jointed tubular workpieces.
Fig. 4 is the broken section structure chart figure of the embodiment 2 of the gathering pipe for ship pipeline of the present invention.
Description of reference numerals
Gathering pipe 200
Special-shaped spheroid 40
First arc sections 401
Second columnar part 403
Flange 405
Interface portion 409
Special-shaped spherical shell 60
Extension 601
Spheroid flange component 30
Spherical shell flange component 50
Fitted seal circle 61
Compress sealing ring 63
Accommodating cavity gland 70
Short tube 80
Short tube gland 81
Fastener 92
First treats jointed tubular workpieces 94
Second treats jointed tubular workpieces 96
Fixed support 98
Latus rectum DN
Embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to described reality
Apply among a scope.
Embodiment 1
Fig. 1-3 displaying present invention is used for the structural representation of the embodiment 1 of the gathering pipe of ship pipeline.
As shown in figure 1, the gathering pipe 200 for ship pipeline, the gathering pipe includes special-shaped spheroid 40, special-shaped spherical shell 60
With spheroid flange component 30, the spherical shell flange component 50 for being adapted with treating jointed tubular workpieces.The ectosphere of described special-shaped spheroid one end
Face and the rotatable clamping of inner surface of the special-shaped spherical shell, the special-shaped spheroid other end connect with the spheroid flange component
Connect；The special-shaped spherical shell is connected with the spherical shell flange component, may be such that the special-shaped ball body phase for described using the structure
The special-shaped rotatable angle of spherical shell is 0~15 °.
As shown in figure 1, the structure that special-shaped spheroid 40 uses described in the present embodiment 1 includes：First arc sections 401, it is described
First arc sections are used for the rotatable clamping of inner surface with the special-shaped spherical shell 60；Second columnar part 403, second column
The one end in portion is connected with first arc sections, and the other end of second columnar part connects with the spheroid flange component 30
Connect.
As shown in figure 1, further, gathering pipe also includes described in the present embodiment 1：Fitted seal circle 61, accommodating cavity pressure
Lid 70 and accommodating cavity, wherein：The accommodating cavity is formed at the extension 601 of the special-shaped spherical shell 60 and first arc sections
In 401 outer surface space；The fitted seal circle is located at the bottom of the accommodating cavity；Described one end of accommodating cavity gland 70 compresses
Fitted seal circle 61 is stated in residence, and the other end of the accommodating cavity gland is placed in the opening portion of the accommodating cavity, the accommodating cavity pressure
Lid is removably installed in the accommodating cavity.
As depicted in figs. 1 and 2, in the present embodiment 1, the accommodating cavity gland 70 uses L-shape, accommodating cavity described in L-shaped
The long-armed of gland is placed in the accommodating cavity, and is abutted against with the fitted seal circle 61；The galianconism of accommodating cavity gland described in L-shaped
It is provided with screw；The openend of the extension 601 is provided with corresponding with the screw on the galianconism of the accommodating cavity gland
Screw；Being connected by screw makes long-armed and described special-shaped spheroid one end of the fitted seal circle, the accommodating cavity gland
The rotatable clamping of spherical outside surface；The spherical shell flange component 50 is equal with the internal diameter of the spheroid flange component 30, so with phase
Treat that jointed tubular workpieces are engaged with caliber.
As shown in figure 3, the internal diameter of the spherical shell flange component 50 and the spheroid flange component 30 is unequal, can be with difference
The first of caliber treats that jointed tubular workpieces 94 and second treat that the ship pipeline of jointed tubular workpieces 96 is engaged.
Embodiment 2
Fig. 4 displaying present invention is used for the structural representation of the embodiment 2 of the gathering pipe of ship pipeline.
As shown in figure 4, the present embodiment 2 and the difference of embodiment 1 are, set up a set of inclined for adjusting tubular length waiting
The compensation short tube of difference, in addition, the structure of the other side in the present embodiment 2 is same as Example 1.
As shown in figure 4, the gathering pipe also includes short tube 80 and short tube gland 81, second columnar part is provided with flange
405, the first screw is offered on the flange；One end of the short tube is placed in second columnar part, the short tube it is another
One end is connected with the spheroid flange component 30；The second screw is offered on the short tube gland；By being arranged in described first
The fastener 92 of screw and the second screw makes the short tube and the movable connection of the second columnar part.
As shown in figure 4, further, gathering pipe 200 described in the present embodiment 2 also includes compressing sealing ring 63, the pressure
Close seal is placed in the top of second columnar part and on contact surface of the short tube gland 81 with the short tube 80；Institute
Stating the second columnar part includes interface portion 409, and the interface portion is described between the flange 405 and the short tube gland 81
The inner peripheral surface of interface portion is engaged with the outer peripheral face of the short tube 80.
As shown in figs. 1 and 4, in the embodiment of the present invention 2, the short tube is integrally formed with the spheroid flange component；It is described
First arc sections, second columnar part and the flange are integrally formed.
For normal shipboard pipeline, it treats the characteristics of latus rectum DN scopes of jointed tubular workpieces are big, can tentatively press table size manufacture,
So as to obtain maximum 15 ° of adjustable angle deviation, maximum adjustable-length 50mm, working pressure of pipeline PN≤1.6Mpa.
The manufacture of the gathering pipe for ship pipeline of the present invention and effect are as shown in table 1.
Table 1
Wherein, DN represents to treat the latus rectum of jointed tubular workpieces；
D0 represents the external diameter of short tube gland；
L0 represents the outer face of spherical shell flange component to the length between the outer face of spheroid flange component；
L represents the outer face of spherical shell flange component to the length between the outer face of short tube gland；
L1 represents the outer face of spherical shell flange component to the length between the outer face of flange；
DN, D0, L0, L and L1 unit are mm.
Further, according to being actually needed, adjusted for angular deviation, using the special-shaped sphere size of increasing, adjustable angle
Degree can be further expanded to 30 °~45 ° (more than the elbow compensation that are proposed with shaping of 45 ° of deviations)；Adjusted for length variation
It is whole, compensated using short tube size is lengthened, so that adjusting length to be further expanded to 100~200, even more greatly.
By the flange size size for converting spherical shell flange component end and spheroid flange component end, it is possible to achieve different latus rectums
The angle treated between jointed tubular workpieces, length compensation, be usually no more than 2 grades (i.e. DN100 become DN150, DN100 become DN200, DN150
Become DN200, DN150 becomes DN250, by that analogy).
In the manufacturing, following item is noted also：
1st, first treat that jointed tubular workpieces 94 need to pre-install fixed support 98, prevent described first to treat jointed tubular workpieces in the course of the work, by
It is deformed in expanding with heat and contract with cold and causes short tube 80 to be drawn out short tube gland 81, if not setting fixed support, can also precalculates
One telescopic pipeline amount waiting, to ensure that short tube will not be drawn out short tube gland；
2nd, fitted seal circle 61 needs basis to treat that the medium progress of jointed tubular workpieces is reasonable with compressing the sealing ring material of sealing ring 63
Selection, can typically use polytetrafluoroethylene (PTFE) or fluorubber；
3rd, gathering pipe product of the invention, it should require that implementing pressure test and sealing tries before use according to marine system
Test, to ensure ship pipeline requirement.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (10)
- A kind of 1. gathering pipe for ship pipeline, it is characterised in that the gathering pipe include special-shaped spheroid, special-shaped spherical shell and For spheroid flange component, the spherical shell flange component being adapted with treating jointed tubular workpieces, wherein：The spherical outside surface of described special-shaped spheroid one end and the rotatable clamping of inner surface of the special-shaped spherical shell, the special-shaped spheroid are another One end is connected with the spheroid flange component；The special-shaped spherical shell is connected with the spherical shell flange component；The special-shaped ball body phase is 0~15 ° for the special-shaped rotatable angle of spherical shell.
- 2. it is used for the gathering pipe of ship pipeline as claimed in claim 1, it is characterised in that the special-shaped spheroid includes：First arc sections, first arc sections are used for the rotatable clamping of inner surface with the special-shaped spherical shell；Second columnar part, one end of second columnar part are connected with first arc sections, second columnar part it is another One end is connected with the spheroid flange component.
- 3. it is used for the gathering pipe of ship pipeline as claimed in claim 2, it is characterised in that the gathering pipe also includes：Coordinate Sealing ring, accommodating cavity gland and accommodating cavity, wherein：The accommodating cavity is formed in the extension of the special-shaped spherical shell and the outer surface space of first arc sections；The fitted seal circle is located at the bottom of the accommodating cavity；Described accommodating cavity gland one end is pressed against the fitted seal circle, and the other end of the accommodating cavity gland is placed in described house The opening portion of chamber, the accommodating cavity gland are removably installed in the accommodating cavity.
- 4. it is used for the gathering pipe of ship pipeline as claimed in claim 3, it is characterised in that the accommodating cavity gland is L-shaped, L The long-armed of accommodating cavity gland described in shape is placed in the accommodating cavity and abutted against with the fitted seal circle；Accommodating cavity described in L-shaped The galianconism of gland is provided with screw；The openend of the extension is provided with screw corresponding with the screw on the galianconism of the accommodating cavity gland；Be connected by screw make the fitted seal circle, the accommodating cavity gland long-armed and described special-shaped spheroid one end it is outer The rotatable clamping of sphere.
- 5. the gathering pipe for ship pipeline as any one of claim 2-4, it is characterised in that the spherical shell flange The internal diameter of component and the spheroid flange component is unequal.
- 6. as claimed in claim 5 be used for ship pipeline gathering pipe, it is characterised in that the gathering pipe also include short tube and Short tube gland, wherein：Second columnar part is provided with flange, and the first screw is offered on the flange；One end of the short tube is placed in second columnar part, and the other end of the short tube connects with the spheroid flange component Connect；The second screw is offered on the short tube gland；Fastener by being arranged in first screw and second screw makes the short tube can with second columnar part It is flexibly connected.
- 7. it is used for the gathering pipe of ship pipeline as claimed in claim 6, it is characterised in that the short tube and the spheroid flange Component is integrally formed.
- 8. it is used for the gathering pipe of ship pipeline as claimed in claim 6, it is characterised in that it is close that the gathering pipe also includes compression Seal, the compression sealing ring are placed in the top of second columnar part and are located at short tube gland contact with the short tube On face.
- 9. it is used for the gathering pipe of ship pipeline as claimed in claim 7, it is characterised in that second columnar part includes interface Portion, wherein：The interface portion is between the flange and the short tube gland；The inner peripheral surface of the interface portion is engaged with the outer peripheral face of the short tube.
- 10. the gathering pipe for ship pipeline as any one of claim 6-8, it is characterised in that first circle Arc portion, second columnar part and the flange are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742684.6A CN107504299A (en) | 2017-08-25 | 2017-08-25 | Gathering pipe for ship pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742684.6A CN107504299A (en) | 2017-08-25 | 2017-08-25 | Gathering pipe for ship pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107504299A true CN107504299A (en) | 2017-12-22 |
Family
ID=60693661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742684.6A Pending CN107504299A (en) | 2017-08-25 | 2017-08-25 | Gathering pipe for ship pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504299A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185862A (en) * | 2019-06-25 | 2019-08-30 | 山东康格能源科技有限公司 | A kind of pipeline steering linkage |
| CN111473179A (en) * | 2020-04-28 | 2020-07-31 | 深圳海油工程水下技术有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
| CN115848584A (en) * | 2022-11-08 | 2023-03-28 | 沪东中华造船(集团)有限公司 | Method for manufacturing and installing marine large-deformation flexible hose folding pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7801531A (en) * | 1978-02-10 | 1979-08-14 | Bos Kalis Westminster | Dredger pipe hinged coupling - has inner ball shaped fitting and connecting flange for pipe union with front flange connecting piece bolted to it |
| CN2570584Y (en) * | 2002-09-23 | 2003-09-03 | 无锡市金羊管道附件有限公司 | Loose hubbed spherojoint |
| CN101949478A (en) * | 2010-10-19 | 2011-01-19 | 无锡市金羊管道附件有限公司 | Double-ball compensating joint |
| CN102022597A (en) * | 2010-10-19 | 2011-04-20 | 无锡市金羊管道附件有限公司 | Dual-seal spherical compensating joint |
| CN102979974A (en) * | 2011-09-02 | 2013-03-20 | 株式会社东全 | Expansion flexible pipe joint |
| KR101318774B1 (en) * | 2013-02-28 | 2013-10-16 | 신진정공 주식회사 | Ball type expansion joint |
-
2017
- 2017-08-25 CN CN201710742684.6A patent/CN107504299A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7801531A (en) * | 1978-02-10 | 1979-08-14 | Bos Kalis Westminster | Dredger pipe hinged coupling - has inner ball shaped fitting and connecting flange for pipe union with front flange connecting piece bolted to it |
| CN2570584Y (en) * | 2002-09-23 | 2003-09-03 | 无锡市金羊管道附件有限公司 | Loose hubbed spherojoint |
| CN101949478A (en) * | 2010-10-19 | 2011-01-19 | 无锡市金羊管道附件有限公司 | Double-ball compensating joint |
| CN102022597A (en) * | 2010-10-19 | 2011-04-20 | 无锡市金羊管道附件有限公司 | Dual-seal spherical compensating joint |
| CN102979974A (en) * | 2011-09-02 | 2013-03-20 | 株式会社东全 | Expansion flexible pipe joint |
| KR101318774B1 (en) * | 2013-02-28 | 2013-10-16 | 신진정공 주식회사 | Ball type expansion joint |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185862A (en) * | 2019-06-25 | 2019-08-30 | 山东康格能源科技有限公司 | A kind of pipeline steering linkage |
| CN111473179A (en) * | 2020-04-28 | 2020-07-31 | 深圳海油工程水下技术有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
| CN111473179B (en) * | 2020-04-28 | 2024-03-29 | 中海油深圳海洋工程技术服务有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
| CN115848584A (en) * | 2022-11-08 | 2023-03-28 | 沪东中华造船(集团)有限公司 | Method for manufacturing and installing marine large-deformation flexible hose folding pipe |
| CN115848584B (en) * | 2022-11-08 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Manufacturing and installing method of folding pipe of marine flexible hose capable of being deformed greatly |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |
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| RJ01 | Rejection of invention patent application after publication |