CN113904295A - Anchoring structure for umbilical cable terminal - Google Patents
Anchoring structure for umbilical cable terminal Download PDFInfo
- Publication number
- CN113904295A CN113904295A CN202111123516.1A CN202111123516A CN113904295A CN 113904295 A CN113904295 A CN 113904295A CN 202111123516 A CN202111123516 A CN 202111123516A CN 113904295 A CN113904295 A CN 113904295A
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- China
- Prior art keywords
- sleeve
- conical sleeve
- umbilical
- anchoring structure
- winch
- 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.)
- Pending
Links
- 238000004873 anchoring Methods 0.000 title claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000004804 winding Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
Landscapes
- Cable Accessories (AREA)
Abstract
The present invention provides an anchoring structure for an umbilical termination, comprising: the limiting sleeve is sleeved on the outer sheath of the umbilical cable; the conical sleeve is connected to the end part of the limiting sleeve, the conical sleeve and the limiting sleeve are coaxially arranged, and the inner diameter of the conical sleeve is larger than the outer diameter of the umbilical cable; the pressing sleeve is sleeved on the conical sleeve and is suitable for being tightly attached to the outer wall of the conical sleeve; the winch is connected to one end, away from the limiting sleeve, of the conical sleeve, the winch and the conical sleeve are coaxially arranged, and the inner aperture of the winch is larger than the outer diameter of the umbilical cable; a plurality of strands of armored fibers uniformly distributed on the circumference of the umbilical cable are suitable for being exposed in the conical sleeve, the plurality of strands of armored fibers are suitable for being sequentially wound on the winch for at least one circle and then penetrate between the pressing sleeve and the conical sleeve, and the pressing sleeve is suitable for locking the armored fibers on the conical sleeve. The armored fiber is connected with the conical sleeve in a winding and pressing mode, so that the firmness degree of the anchoring structure is increased; the anchoring structure is detachably connected with the umbilical cable, can be repeatedly utilized and reduces the cost.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an anchoring structure for an umbilical cable terminal.
Background
With the increasing demand of human beings on oil and gas resources, the land oil and gas resources can not meet the development requirements of human society. The ocean is used as a treasury for storing 70% of oil and gas resources worldwide, and must become a main source of oil and gas yield increase in the world, namely the treasury in the petrochemical industry. And more than half of oil and gas resources in the ocean are stored in deep sea areas with the water depth of more than 300m, so that the umbilical cables for vigorously developing the underwater production system form a necessary path for submarine energy development in China.
The umbilical provides it with electrical power, pneumatic and hydraulic power, chemical injection and data transmission. Because the design of the umbilical cable not only has the functions of electric power, communication, hydraulic pressure and the like, but also meets the requirements of complex sea conditions, the umbilical cable has extremely high requirements on material strength, flexibility, corrosion resistance and permeation resistance. Thus, there is a great risk and technical requirement to securely attach the umbilical termination to the production platform or other fixture.
At present, submarine pipelines such as an umbilical cable and the like adopt a glue-pouring anchoring type; in the actual operation in-process, the encapsulating anchor has the shortcoming that encapsulating step latency is longer, the glue cost is more expensive, unable reuse in the installation, and in long-term fixed in-process, the fixed effect of armor aramid fiber is relatively poor moreover, has the risk of droing.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that the umbilical cable terminal in the prior art is anchored by glue pouring, has long installation time, high cost, can not be recycled and has falling risk, thereby providing an anchoring structure for the umbilical cable terminal.
In order to solve the above technical problems, the present invention provides an anchoring structure for an umbilical cable terminal, comprising:
the limiting sleeve is sleeved on the outer sheath of the umbilical cable;
the conical sleeve is connected to the end part of the limiting sleeve, the conical sleeve and the limiting sleeve are coaxially arranged, and the inner diameter of the conical sleeve is larger than the outer diameter of the umbilical cable;
the pressing sleeve is sleeved on the conical sleeve and is suitable for being tightly attached to the outer wall of the conical sleeve;
the winch is connected to one end, away from the limiting sleeve, of the conical sleeve, the winch and the conical sleeve are coaxially arranged, and the inner aperture of the winch is larger than the outer diameter of the umbilical cable;
a plurality of strands of armored fibers uniformly distributed in the circumferential direction of the umbilical cable are suitable for being exposed in the conical sleeve, the plurality of strands of armored fibers are suitable for being sequentially wound on the winch for at least one circle and then penetrate between the pressing sleeve and the conical sleeve, and the pressing sleeve is suitable for locking the armored fibers on the conical sleeve.
Further, the winch is provided with a plurality of spaced winches, and the winches are suitable for sequentially winding the armor fiber from the near to the far.
Further, two adjacent winches are connected through an adjusting screw, and the adjusting screw is used for adjusting the distance between the two winches.
Further, an annular groove is formed in the outer wall of the pressing sleeve, a binding band is suitable for being wound in the annular groove, and the binding band is suitable for binding and fixing the armored fibers wound back to the outer wall of the pressing sleeve.
Furthermore, the edge of the pressing sleeve, which is close to one end face of the limiting sleeve, is subjected to rounding treatment, and an anti-abrasion pad is arranged on the end face.
Furthermore, the inner wall of the limiting sleeve is provided with a barb, and the barb is suitable for being inserted on the outer sheath of the umbilical cable.
Further, the inner wall of the conical sleeve has an annular flange thereon, which is adapted to abut against the peeling profile of the outer sheath.
Further, the compressing sleeve and the limiting sleeve are formed by splicing at least two arc-shaped sleeves, and every two adjacent arc-shaped sleeves are connected through a tensioning screw.
Further, still include:
the protective housing is provided with an accommodating cavity with an opening at one end, the protective housing covers the limiting sleeve, the conical sleeve, the compressing sleeve and the winch, and the opening end of the protective housing is connected to the limiting sleeve.
The technical scheme of the invention has the following advantages:
1. according to the anchoring structure for the umbilical cable terminal, provided by the invention, part of the outer sheath is removed from the umbilical cable terminal, and the armor fiber is exposed; the conical sleeve is connected to the outer sheath through a limiting sleeve, and the armor fiber is exposed in the conical sleeve; the armor fiber near-end is wound on the winch, and the armor fiber far-end is pasted tightly on the outer wall of the conical sleeve through the pressing sleeve, so that the umbilical cable terminal and the conical sleeve can be detachably fixed. The armor fiber in the structure is connected with the conical sleeve in a winding and pressing mode, so that the firmness degree of the anchoring structure is increased; in addition, the anchoring structure can be disassembled, assembled and adjusted, and is more flexible than glue-pouring anchoring and higher in fault tolerance rate; and the installation time is short, and the device can be repeatedly used, thereby being beneficial to reducing the cost.
2. According to the anchoring structure for the umbilical cable terminal, the plurality of winches are arranged at intervals, so that the connection between the armored fiber and the anchoring structure is firmer.
3. According to the anchoring structure for the umbilical cable terminal, the distance between two adjacent winches is adjusted through the first screw, so that the armored fiber is always kept in a tensioning state.
4. According to the anchoring structure for the umbilical cable terminal, the annular groove in the outer wall of the pressing sleeve avoids axial movement of the binding band, and binding and fixing of armor fibers are facilitated.
5. According to the anchoring structure for the umbilical cable terminal, the rounding treatment of the pressing sleeve and the arrangement of the anti-abrasion pad avoid abrasion to the armored fiber.
6. According to the anchoring structure for the umbilical cable terminal, the barb structure on the limiting sleeve and the annular flange on the inner wall of the conical sleeve prevent the umbilical cable from moving towards the large head end of the conical sleeve.
7. According to the anchoring structure for the umbilical cable terminal, the compression sleeve and the limiting sleeve are formed by splicing the arc sleeves, radial adjustment is performed between the arc sleeves through the tensioning screws, a self-locking structure is formed, and separation from a sleeved piece is avoided.
8. The anchoring structure for the umbilical cable terminal provided by the invention can protect the limiting sleeve, the conical sleeve, the pressing sleeve, the winch and the umbilical cable terminal and avoid the influence of the external environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the connection relationship between the anchoring structure and the umbilical provided in the present invention.
Fig. 2 is a schematic perspective view of the anchoring structure with the protective shell removed.
Description of reference numerals:
1. a limiting sleeve; 2. a conical sleeve; 3. a compression sleeve; 4. a first capstan; 5. a second capstan; 6. a protective shell; 7. sheathing fiber; 8. a barb; 9. an annular flange; 10. an adjusting screw; 11. an annular groove; 12. a first support column; 13. and a second support column.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The anchoring structure for an umbilical termination provided by this embodiment includes: stop collar 1, taper sleeve 2, compress tightly cover 3, capstan winch and protective housing 6.
As shown in fig. 1, before the anchoring structure is installed, the outer sheath of the umbilical termination is removed to expose the sheathing fibers 7.
As shown in fig. 1 and 2, the limiting sleeve 1 is formed by butt-jointing two arc sleeves, and after the two arc sleeves are attached to the outer sheath, the two arc sleeves are connected through a tensioning screw, so that the limiting sleeve 1 is tightly sleeved on the outer sheath of the umbilical cable; have a plurality of barbs 8 of equipartition on the inner wall of stop collar 1, barbs 8 insert and establish on the outer jacket, prevent the axial float of umbilical cable.
As shown in fig. 1 and 2, the conical sleeve 2 and the limiting sleeve 1 are coaxially arranged, the small end of the conical sleeve 2 is connected to one end surface of the limiting sleeve 1 through a screw, and the conical sleeve 2 is used for being sleeved at one end of the umbilical cable where the outer sheath is removed; the inner diameter of the conical sleeve 2 is larger than the outer diameter of the umbilical cable, so that the armored fiber 7 and the conical sleeve 2 are spaced, and the friction between the armored fiber 7 and the armored fiber is reduced. The inner wall of the conical sleeve 2 is provided with an annular flange 9, the inner diameter of the annular flange 9 is smaller than the outer diameter of the outer sheath and larger than the outer diameter enclosed by the armored fibers 7, and the annular flange 9 can abut against the peeling section of the outer sheath to prevent an umbilical cable from moving towards the big end of the conical sleeve 2.
As shown in fig. 1 and 2, the winch includes: first capstan winch 4 and the second capstan winch 5 that the interval set up about, the internal bore diameter of two capstan winches all is greater than the external diameter of umbilical. The conical sleeve 2 deviates from one end face of the limiting sleeve 1 is vertically connected with a plurality of first supporting columns 12, a first winch 4 located below is connected with the conical sleeve 2 through the first supporting columns 12, and the first winch 4 and the conical sleeve 2 are coaxially arranged. A plurality of second supporting columns 13 are vertically connected to the top of the first winch 4 in the circumferential direction, the second winch 5 located above is connected to the second supporting columns 13 through adjusting screws 10, and the second winch 5 and the first winch 4 are coaxially arranged; the spacing between the second capstan 5 and the first capstan 4 is changed by turning the adjusting screw 10 towards and away from the first capstan 4. The size of the second winch 5 is larger than that of the first winch 4, the longitudinal sections of the second winch and the first winch are both circular structures, and the taper of the outer common tangent plane of the first winch 4 and the second winch 5 is consistent with that of the outer side wall of the conical sleeve 2.
As shown in fig. 1 and 2, the pressing sleeve 3 is formed by butting three arc sleeves, after the three arc sleeves are attached to the tapered sleeve 2, two adjacent arc sleeves are connected through a tensioning screw, so that the pressing sleeve 3 is tightly sleeved on the outer wall of the tapered sleeve 2. The edge of one end face, close to the limiting sleeve 1, of the pressing sleeve 3 is subjected to fillet treatment, and an anti-abrasion pad is attached to the end face. The middle part of the outer wall of the pressing sleeve 3 is provided with an annular groove 11, and the annular groove 11 is used for winding a binding band.
As shown in fig. 1, the armor fiber 7 exposed in the conical sleeve 2 is uniformly divided into a plurality of strands, each strand of the armor fiber 7 is firstly wound at least one turn in the longitudinal direction of the first capstan 4, is extended upwards and then is wound at least one turn in the longitudinal direction of the second capstan 5; after the armored fiber 7 is wound, the armored fiber is tightly attached to the outer side walls of the first winch 4 and the second winch 5, extends downwards to the outer side wall of the conical sleeve 2, and is tightly pressed by the pressing sleeve 3; the armor fiber 7 extending out of the lower end of the pressing sleeve 3 clings to the lower end face and the outer side wall of the pressing sleeve 3 and extends upwards, and the armor fiber 7 wound back to the outer wall of the pressing sleeve 3 is bound and fixed through a binding band. When the armor fiber 7 is in a loose state, the screw 10 is adjusted by turning the knob upwards, the distance between the first capstan 4 and the second capstan 5 is increased, and the armor fiber 7 is tightened.
As shown in fig. 1, the protective shell 6 has an accommodating cavity with an open bottom end, the protective shell 6 covers the limiting sleeve 1, the tapered sleeve 2, the pressing sleeve 3 and the capstan, and the open end of the protective shell is connected to the limiting sleeve 1 through a screw; the protection shell 6 is used for sealing and protecting the umbilical cable terminal, and the influence of the external environment is avoided.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. An anchoring structure for an umbilical termination, comprising:
the limiting sleeve (1) is sleeved on the outer sheath of the umbilical cable;
the conical sleeve (2) is connected to the end part of the limiting sleeve (1), the conical sleeve (2) and the limiting sleeve (1) are coaxially arranged, and the inner diameter of the conical sleeve (2) is larger than the outer diameter of the umbilical cable;
the pressing sleeve (3) is sleeved on the conical sleeve (2) and is suitable for being tightly attached to the outer wall of the conical sleeve (2);
the winch is connected to one end, away from the limiting sleeve (1), of the conical sleeve (2), the winch and the conical sleeve (2) are coaxially arranged, and the inner aperture of the winch is larger than the outer diameter of the umbilical cable;
a plurality of strands of armored fibers (7) uniformly distributed on the circumference of the umbilical cable are suitable for being exposed in the conical sleeve (2), the plurality of strands of armored fibers (7) are suitable for being sequentially wound on the winch for at least one circle and then penetrate between the pressing sleeve (3) and the conical sleeve (2), and the pressing sleeve (3) is suitable for locking the armored fibers (7) on the conical sleeve (2).
2. The anchoring structure for umbilical terminations according to claim 1, wherein the winch has a plurality of spaced apart winches adapted to perform the winding of the armouring fibre (7) sequentially from the proximal to the distal.
3. The anchoring structure for an umbilical termination according to claim 2, wherein the connection between two adjacent winches is made by means of an adjustment screw (10), the adjustment screw (10) being used to adjust the spacing between the two winches.
4. Anchoring structure for umbilical terminations according to claim 1, characterised in that the compression sleeve (3) has an annular groove (11) on its outer wall, the annular groove (11) being adapted to wind a tie adapted to ligature and secure the armouring fibres (7) looped back on the outer wall of the compression sleeve (3).
5. The anchoring structure for an umbilical termination according to claim 4, wherein the compression sleeve (3) is rounded at its edge near an end face of the stop collar (1) on which an anti-wear pad is provided.
6. The anchoring structure for an umbilical termination according to claim 1, wherein the stop collar (1) has barbs (8) on its inner wall, the barbs (8) being adapted to be inserted on the outer sheath of the umbilical.
7. Anchoring structure for an umbilical termination according to claim 1, characterized in that the inner wall of the conical sleeve (2) has an annular flange (9) thereon, the annular flange (9) being adapted to abut on a stripped section of the outer sheath.
8. The anchoring structure for an umbilical termination according to claim 1, wherein the compression sleeve (3) and the stop sleeve (1) are formed by splicing at least two arc-shaped sleeves, and adjacent two arc-shaped sleeves are connected by a tensioning screw.
9. The anchoring structure for an umbilical termination of any of claims 1-8, further comprising:
the protective housing (6) is provided with an accommodating cavity with an opening at one end, the protective housing (6) covers the limiting sleeve (1), the conical sleeve (2), the pressing sleeve (3) and the winch, and the opening end of the protective housing is connected to the limiting sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123516.1A CN113904295A (en) | 2021-09-24 | 2021-09-24 | Anchoring structure for umbilical cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123516.1A CN113904295A (en) | 2021-09-24 | 2021-09-24 | Anchoring structure for umbilical cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113904295A true CN113904295A (en) | 2022-01-07 |
Family
ID=79029395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111123516.1A Pending CN113904295A (en) | 2021-09-24 | 2021-09-24 | Anchoring structure for umbilical cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113904295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864286A (en) * | 2022-12-30 | 2023-03-28 | 中天科技海缆股份有限公司 | Dynamic submarine cable anchoring device and dynamic submarine cable system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474946A (en) * | 2013-09-12 | 2013-12-25 | 青岛迪玛尔海洋工程有限公司 | Umbilical cable terminal connecting device |
| CN209217673U (en) * | 2018-12-13 | 2019-08-06 | 宁波东方电缆股份有限公司 | A kind of anchor of fiber reinforcement cable |
| CN110380376A (en) * | 2019-07-08 | 2019-10-25 | 宁波东方电缆股份有限公司 | A kind of fixation device and fixing means with four layers of armouring wire sea cable |
| CN210007348U (en) * | 2019-07-08 | 2020-01-31 | 宁波东方电缆股份有限公司 | submarine cable end fixing structure with N layers of armored steel wires |
| CN111501749A (en) * | 2020-06-01 | 2020-08-07 | 江苏科世达矿山安全新技术科技有限公司 | Grouting quick joint |
-
2021
- 2021-09-24 CN CN202111123516.1A patent/CN113904295A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474946A (en) * | 2013-09-12 | 2013-12-25 | 青岛迪玛尔海洋工程有限公司 | Umbilical cable terminal connecting device |
| CN209217673U (en) * | 2018-12-13 | 2019-08-06 | 宁波东方电缆股份有限公司 | A kind of anchor of fiber reinforcement cable |
| CN110380376A (en) * | 2019-07-08 | 2019-10-25 | 宁波东方电缆股份有限公司 | A kind of fixation device and fixing means with four layers of armouring wire sea cable |
| CN210007348U (en) * | 2019-07-08 | 2020-01-31 | 宁波东方电缆股份有限公司 | submarine cable end fixing structure with N layers of armored steel wires |
| CN111501749A (en) * | 2020-06-01 | 2020-08-07 | 江苏科世达矿山安全新技术科技有限公司 | Grouting quick joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864286A (en) * | 2022-12-30 | 2023-03-28 | 中天科技海缆股份有限公司 | Dynamic submarine cable anchoring device and dynamic submarine cable system |
| CN115864286B (en) * | 2022-12-30 | 2023-11-21 | 中天科技海缆股份有限公司 | Dynamic submarine cable anchoring device and dynamic submarine cable system |
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Application publication date: 20220107 |