CN210608478U - Three-petal submarine cable center positioning device - Google Patents
Three-petal submarine cable center positioning device Download PDFInfo
- Publication number
- CN210608478U CN210608478U CN201922080066.7U CN201922080066U CN210608478U CN 210608478 U CN210608478 U CN 210608478U CN 201922080066 U CN201922080066 U CN 201922080066U CN 210608478 U CN210608478 U CN 210608478U
- Authority
- CN
- China
- Prior art keywords
- submarine cable
- arc
- lamella formula
- anchor clamps
- sea cable
- 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.)
- Active
Links
Images
Landscapes
- Electric Cable Installation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model provides a three lamella formula sea cable central positioning device, a center for fixing a position the sea cable at J type pipe, including a sea cable anchor clamps body, the sea cable anchor clamps body is including clamping part and fixed disk, the fixed disk just fixes the both ends department at the clamping part with the coaxial setting of clamping part, the central point of clamping part is put and is run through the sea cable that is equipped with a coastal cable axial setting and hold the through-hole, the sea cable anchor clamps body uses the axis that sea cable held the through-hole to evenly cut apart into three arc jack catch as the center, in order to constitute three lamella formula structure, the sea cable is worn to establish through the specific sea cable holding the through-hole of sea cable anchor clamps, the inner wall of three arc jack catch is laminated with the lateral wall of sea cable and arc jack catch is connected through a plurality of threaded fastener. The utility model discloses a three lamella formula structures, its threaded fastener quantity on unit anchor clamps length is 1.5 times of the current center anchor clamps of tradition, and threaded fastener distributes comparatively evenly simultaneously, on the basis of realizing great pretightning force, realizes the even pressure entad to the submarine cable.
Description
Technical Field
The utility model relates to a three lamella formula submarine cable center location devices specifically are applied to submarine cable at the intraductal center location of J type of offshore platform and the technical field of shock resistance protection.
Background
With the increasing demand for energy in China, the development strength of ocean oil gas and offshore wind power is also rapidly increased. The submarine cable is used as an energy and signal transmission medium of the offshore platform, and the safety and reliability of the submarine cable in the using process play an important role in the safety production of the offshore platform. An oil platform or an offshore wind power submarine cable penetrates from the sea bottom to the position above the platform through a rigid J-shaped pipe, and a scouring area is easily formed below the offshore platform under the long-term scouring of ocean currents. Meanwhile, for smooth pipe penetration, the inner diameter of the J-shaped pipe is generally about 3 times of the outer diameter of the submarine cable, and the inlet part at the bottom is in a bell mouth shape. Due to the size characteristics of the protective pipe and the submarine cable, the submarine cable can freely swing in the J-shaped pipe after being installed, particularly, at the outlet at the lower end of the protective pipe, the submarine cable swings most violently under the action of ocean currents, and meanwhile, the submarine cable continuously rubs and impacts the inner wall of the J-shaped pipe, the submarine cable is fatigued and damaged under the action of long time, the submarine cable cannot transmit electricity, and finally the whole power system is paralyzed, so that huge economic loss is caused.
At present, a haversian type central positioning device is used for clamping a submarine cable through symmetrical threaded fasteners, the submarine cable is positioned in the center of a J-shaped pipe, and then a polyurethane ring contained in the central positioning device is in elastic contact with the inner wall of the J-shaped pipe, so that the impact and abrasion of the submarine cable are avoided. With the increasing of the length of the bending limiter needed by the tail part, the requirement of the anti-slip force value between the central positioning device and the submarine cable is increased, and the anti-slip force value of the submarine cable can be increased by prolonging the length of the central positioning device and increasing the number of threaded fasteners at present. However, with the extension of the length of the central positioning device, the processing difficulty (dimensional tolerance, geometric tolerance) and the product cost of the product are greatly increased, and the difficulty of offshore construction operation is increased by the product with larger weight.
Therefore, the structure of the existing haversian center positioning device needs to be optimized, the length of a product is effectively reduced on the basis of realizing the same anti-slip force value with a submarine cable, and further, the cost is reduced, the weight of the product is reduced, and the workload of offshore installation is reduced.
Disclosure of Invention
In view of this, the utility model aims at providing a three lamella formula submarine cable center positioner, this positioner adopt three lamella formula structures, and its threaded fastener quantity on unit anchor clamps length is 1.5 times of the current center anchor clamps of tradition, and threaded fastener distributes comparatively evenly simultaneously, on the basis of realizing great pretightning force, realizes the even pressure of entad to the submarine cable.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a three lamella formula sea cable central positioning device for with the sea cable location in the center of J type pipe, including a sea cable anchor clamps body, the sea cable anchor clamps body is including clamping part and fixed disk, the fixed disk with the coaxial setting of clamping part is just fixed the both ends department of clamping part, the central point of clamping part is located to run through and is equipped with an edge the sea cable accommodate the through-hole that the sea cable axial set up, the sea cable anchor clamps body with the axis of sea cable accommodate the through-hole is three arc jack catch for the center evenly cuts apart to constitute three lamella formula structure, the sea cable is worn to establish and is passed through the sea cable anchor clamps are specific among the sea cable accommodate the through-hole, three the inner wall of arc jack catch with the laminating of the lateral wall of sea cable just connect through a plurality of threaded fastener between two liang of arc jack catches.
Preferably, a plurality of waist-shaped through holes are uniformly distributed on two sides of the arc-shaped surface of the arc-shaped jaw along the axial direction of the arc-shaped surface, and the axial lines of the waist-shaped through holes are perpendicular to the axial lines of the arc-shaped jaw.
Preferably, the threaded fastener is a double-nut threaded fastener, and every two arc-shaped clamping jaws penetrate through the waist-shaped through holes corresponding to the positions of the two arc-shaped clamping jaws through the double-nut threaded fastener so as to be fixedly connected.
Preferably, the arc-shaped clamping jaw is provided with an anode block on the arc-shaped surface.
Preferably, the clamping portion is provided with a rubber gasket or coated with a polyurethane coating on an inner side wall of the submarine cable receiving through hole.
Preferably, the center positioning device further comprises a guide cone and an intermediate connecting piece, and the guide cone is coaxially and fixedly connected with the submarine cable clamp body through the intermediate connecting piece.
Preferably, the middle connecting piece comprises a plurality of three-petal conical rings and a plurality of three-petal middle partition plates, the three-petal conical rings and the three-petal middle partition plates are alternately arranged at intervals, the guide cones and the fixture bodies are both attached to the three-petal conical rings and are connected through a plurality of long screw fasteners.
Preferably, the fixed disc connected with the three-petal conical ring in the clamp body is of a flange structure.
Preferably, the three-petal conical ring is made of soft polyether polyurethane, the three-petal intermediate partition plate is made of hard polyether polyurethane, the outer diameter of the three-petal conical ring is larger than that of the three-petal intermediate partition plate, and the inner diameter of the three-petal conical ring is the same as that of the three-petal intermediate partition plate.
Preferably, the guide cone is of a three-lobe structure or a two-lobe structure.
Compared with the prior art, the utility model provides a pair of three lamella formula submarine cable central positioning device, this central positioning device adopt three lamella formula structures, can suitably prolong or shorten the submarine cable of different external diameters and press from both sides the requirement that tight submarine cable was satisfied to the length of threaded fastener on the submarine cable anchor clamps body, can realize the wildcard nature to multiple specification submarine cable. Simultaneously, the threaded fastener quantity of the submarine cable anchor clamps body on unit anchor clamps length is 1.5 times of traditional center anchor clamps body structure, and threaded fastener distributes comparatively evenly, on the basis of realizing great pretightning force, realizes the even centripetal pressure to the submarine cable, avoids the local atress of submarine cable too big. In addition, the anti-slip performance between the submarine cable and the inner side wall of the submarine cable accommodating through hole can be further improved by adding a rubber gasket or coating the rubber gasket with a polyurethane coating. This central positioner effectively reduces product length on realizing and the same anti slippage power value basis between the submarine cable, and then reduce cost reduces product quality and marine installation work load.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a submarine cable clamp in a three-petal submarine cable center positioning device provided by the present invention;
fig. 2 is a schematic structural view of an arc-shaped claw of a submarine cable clamp in a three-petal submarine cable center positioning device provided by the present invention;
fig. 3 is an axonometric view of the three-petal submarine cable center positioning device provided by the present invention after being assembled with a submarine cable;
fig. 4 is a front view of the three-petal submarine cable center positioning device provided by the present invention after being assembled with a submarine cable;
fig. 5 is the utility model provides a pair of three lamella formula submarine cable central positioning device afterbody connection crooked limiter integral erection sketch map.
Reference numerals and component parts description referred to in the drawings:
1. a submarine cable clamp body; 2. a sea cable; 3. a guide cone; 4. a three-petal conical ring; 5. a three-petal type intermediate partition plate; 6. a long screw fastener; 7. a J-shaped pipe bell mouth; 8. a bending limiter;
110. a clamping portion; 111. fixing the disc; 112. a sea cable receiving through hole; 113. an anode block; 114. a waist-shaped through hole; 115. a double nut threaded fastener; 116. an arc-shaped claw.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A three-petal submarine cable center positioning device is used for positioning a submarine cable in the center of a J-shaped pipe. Referring to fig. 1 to 2, the centering device includes a submarine cable clamp body 1, and the submarine cable clamp body 1 includes a clamping portion 110 and a fixing plate 111. The fixing plate 111 and the clamping portion 110 are coaxially disposed and fixed at two ends of the clamping portion 110, and a submarine cable accommodating through hole 112 axially disposed along the submarine cable 2 is formed through a center of the clamping portion 110 for the submarine cable 2 to pass through. In order to solve a series of production and installation problems caused by the increase of the length of the clamp due to the increase of the requirement of anti-slipping force of the existing center clamp, the submarine cable clamp body 1 is uniformly divided into three arc-shaped clamping jaws 116 by taking the axis of the submarine cable accommodating through hole 112 as the center to form a three-petal structure. The arc-shaped claw 116 is further provided with an anode block 113 on the arc-shaped surface thereof to improve the corrosion resistance of the product.
During submarine cable 2 wore to establish the submarine cable through holding through-hole 112 through submarine cable anchor clamps body 1, the inner wall of three arc jack catch 116 and the laminating of the lateral wall of submarine cable 2 and arc jack catch 116 are connected through a plurality of threaded fastener between two liang. Therefore, the number of the threaded fasteners of the submarine cable clamp body 1 on the length of the unit clamp can be increased to 1.5 times of the original number, the threaded fasteners are distributed uniformly, uniform centripetal pressure on the submarine cable 1 is realized on the basis of realizing large pretightening force, and the local stress of the submarine cable 1 is avoided being overlarge. The clamping portion 110 may be further provided with a rubber gasket or coated with a polyurethane coating on the inner sidewall of the submarine cable receiving through-hole 112 to further improve the anti-slip property with the submarine cable 2.
The arc-shaped clamping jaws 116 are evenly distributed with a plurality of waist-shaped through holes 114 along the axial direction of the arc-shaped surfaces of the arc-shaped clamping jaws 116, and the axes of the waist-shaped through holes 114 are vertical to the axes of the arc-shaped clamping jaws 116. The threaded fasteners are double-nut threaded fasteners 115, and the arc-shaped claws 116 penetrate through the waist-shaped through holes 114 corresponding to the positions of the arc-shaped claws through the double-nut threaded fasteners 115 to be fixedly connected. Meanwhile, the length of the double-nut threaded fastener 115 can be appropriately lengthened or shortened so as to enlarge or reduce the diameter of the submarine cable accommodating through hole 112 and adapt to submarine cables 2 with different outer diameter specifications.
Referring to fig. 3 to 4, the center positioning device further comprises a guide cone 3 and an intermediate connecting piece, and the guide cone 3 is coaxially and fixedly connected with the submarine cable clamp body 1 through the intermediate connecting piece. The intermediate junction spare includes a plurality of three lamella formula toper circles 4 and a plurality of three lamella formula intermediate bottom 5, and three lamella formula toper circles 4 and 5 intervals alternate settings of three lamella formula intermediate bottom, and the fixed disk 111 of guide cone 3 and the submarine cable anchor clamps body 1 all with the laminating of three lamella formula toper circles 4 to through connection through a plurality of long screw rod fasteners 6. The fixed disc 111 connected with the three-petal conical ring 4 in the submarine cable clamp body 1 is of a flange structure. The guide cone 3 is of a three-petal structure or a butt-petal structure.
The three-segment type conical ring 4 is made of soft polyether polyurethane, has excellent mechanical properties such as hydrolysis resistance and impact resistance, can effectively absorb impact energy between the central positioning device and the J-shaped pipe, and avoids friction between the central positioning device and the inner wall of the J-shaped pipe. The installation of a plurality of three-petal conical rings 4 can effectively improve the shock resistance of the center positioning device on the basis of reducing the cost of the three-petal conical ring 4 mold. The three-petal type intermediate partition plate 5 adopts hard polyether polyurethane, and other materials can be selected for the most preferable requirements for improving the underwater corrosion resistance of the product. The three-petal type middle partition plate 5 is arranged between the two three-petal type conical rings 4, so that the three-petal type conical rings 4 can be effectively prevented from generating uneven deformation after being pressed. The outer diameter of the three-petal conical ring 4 is larger than the outer diameter of the three-petal middle partition plate 5, and the inner diameter of the three-petal conical ring 4 is the same as the inner diameter of the three-petal middle partition plate 5.
Referring to fig. 5, a double-nut threaded fastener 115 is used for clamping the three-petal submarine cable clamp body 1 to the submarine cable 2, and an anode block 113 is arranged on the arc-shaped surface of an arc-shaped claw 116 on the submarine cable clamp body 1 to improve the corrosion resistance of the product. Install three lamella formula toper circle 4 on the ring flange of the specific 1 area waist hole of submarine cable clamp, three lamella formula toper circle 4 installation direction gets into J type pipe horn mouth 7 direction for the central positioning device, installs three lamella formula intermediate bottom 5 between two three lamella formula toper circles 4, and crisscross installation is gone up with three lamella formula toper circle 4 and three lamella formula intermediate bottom 5 incision positions during the installation, improves product stability. Install three lamella formula guide cones 3 before 4 at foremost three lamella formula toper rings for when installation guide whole device to get into J type pipe horn mouth 7, use long screw rod fastener 6 to fix three lamella formula guide cones 3 and three lamella formula toper rings 4 in the kidney of three lamella formula submarine cable anchor clamps body 1 ring flange downthehole, the change of different submarine cable 2 external diameters can be adapted to in the design of kidney hole within a certain limit, reduces the installation degree of difficulty. After the bending limiter 8 with a certain length is arranged at the tail part of the three-petal type submarine cable clamp body 1, the offshore platform can be pulled along with the submarine cable 2 and fixed in the J-shaped pipe.
The utility model provides a pair of three lamella formula submarine cable center positioner, this positioner adopt three lamella formula structures, and its threaded fastener quantity on unit anchor clamps length is 1.5 times of the current center anchor clamps of tradition, and threaded fastener distributes comparatively evenly simultaneously, on the basis of realizing great pretightning force, realizes the even pressure entad to the submarine cable.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a three lamella formula sea cable centering device for with the center of sea cable location in J type pipe, its characterized in that: including a submarine cable anchor clamps body, submarine cable anchor clamps body is including clamping part and fixed disk, the fixed disk with the coaxial setting of clamping part is just fixed the both ends department of clamping part, the central point of clamping part puts and runs through and is equipped with an edge the submarine cable accommodate the through-hole that the submarine cable axial set up, submarine cable anchor clamps body with submarine cable accommodate the through-hole's axis is three arc jack catch for center evenly cut apart to constitute three lamella formula structure, submarine cable wears to establish through submarine cable anchor clamps are specific among the submarine cable accommodate the through-hole, three the inner wall of arc jack catch with the laminating of submarine cable just the arc jack catch is connected through a plurality of threaded fastener between two liang.
2. The device of claim 1, wherein: a plurality of waist type through-holes are evenly distributed on the two sides of the arc-shaped surface of the arc-shaped clamping jaw along the axial direction of the arc-shaped surface, and the axis of each waist type through-hole is perpendicular to the axis of the arc-shaped clamping jaw.
3. The device of claim 2, wherein: the threaded fastener is a double-nut threaded fastener, the arc-shaped clamping jaws penetrate through the double-nut threaded fastener between every two arc-shaped clamping jaws, and the waist-shaped through holes correspond to the positions of the two arc-shaped clamping jaws in a penetrating mode and are fixedly connected with each other.
4. The device of claim 1, wherein: the arc-shaped clamping jaw is provided with an anode block on the arc-shaped surface.
5. The device of claim 1, wherein: the clamping part is additionally provided with a rubber gasket or is coated with a polyurethane coating on the inner side wall of the submarine cable accommodating through hole.
6. The device for centering a tri-petal submarine cable according to any one of claims 1 to 3, wherein: the central positioning device further comprises a guide cone and an intermediate connecting piece, and the guide cone is coaxially and fixedly connected with the submarine cable clamp body through the intermediate connecting piece.
7. The device of claim 6, wherein: the intermediate junction spare includes a plurality of three lamella formula toper circles and a plurality of three lamella formula intermediate bottom, three lamella formula toper circles with three lamella formula intermediate bottom intervals set up in turn, just the guide cone with it is specific to press from both sides the fixed disk all with three lamella formula toper circle laminating to through a plurality of long screw rod fasteners through connection.
8. The device of claim 7, wherein: the fixed disk connected with the three-petal conical ring in the clamp body is of a flange structure.
9. The device of claim 7, wherein: three lamella formula toper circles adopt soft polyether type polyurethane, three lamella formula intermediate bottom adopt stereoplasm polyether type polyurethane, the external diameter of three lamella formula toper circles is greater than three lamella formula intermediate bottom's external diameter, the internal diameter of three lamella formula toper circles with three lamella formula intermediate bottom's internal diameter is the same.
10. The device of claim 7, wherein: the guide cone is of a three-petal structure or a butt-petal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922080066.7U CN210608478U (en) | 2019-11-27 | 2019-11-27 | Three-petal submarine cable center positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922080066.7U CN210608478U (en) | 2019-11-27 | 2019-11-27 | Three-petal submarine cable center positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210608478U true CN210608478U (en) | 2020-05-22 |
Family
ID=70695822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922080066.7U Active CN210608478U (en) | 2019-11-27 | 2019-11-27 | Three-petal submarine cable center positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210608478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258524A (en) * | 2021-06-21 | 2021-08-13 | 普拉思工业技术(江苏)有限公司 | Submarine cable buoyancy bending limiting method and bending limiter |
-
2019
- 2019-11-27 CN CN201922080066.7U patent/CN210608478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258524A (en) * | 2021-06-21 | 2021-08-13 | 普拉思工业技术(江苏)有限公司 | Submarine cable buoyancy bending limiting method and bending limiter |
| CN113258524B (en) * | 2021-06-21 | 2021-09-24 | 普拉思工业技术(江苏)有限公司 | Submarine cable buoyancy bending limiting method and bending limiter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100507335C (en) | Sea cable anchoring device | |
| CN210608478U (en) | Three-petal submarine cable center positioning device | |
| CN205123203U (en) | Sea cable center location protection device | |
| CN108448527B (en) | Submarine cable center positioning protection device | |
| CN105337237B (en) | A kind of flexible extra large cable centralized positioning protective device | |
| CN205123197U (en) | Flexible sea cable center location protection device | |
| CN210111485U (en) | Submarine cable traction head | |
| CN216720873U (en) | Submarine cable anchoring device | |
| CN105281278B (en) | A kind of extra large cable centralized positioning protection device | |
| CN115864274B (en) | Corrosion-resistant stable strain clamp and clamping method thereof | |
| CN201129546Y (en) | Sea cable anchoring device | |
| CN216312565U (en) | MPP electric power pipe convenient to quick threading | |
| CN209994018U (en) | Anti-theft cable | |
| CN212824968U (en) | Round pipe fixing tool | |
| CN212063429U (en) | Tether type clamp for fixing dynamic submarine cable | |
| CN220518445U (en) | Running gear of self-adaptation wire and crimping pipe | |
| CN215482886U (en) | Fixture for preventing collision during pile dragging in photovoltaic construction | |
| CN221042287U (en) | Submarine cable center positioning device | |
| CN221227005U (en) | Submarine cable center positioning device and submarine cable protection device | |
| CN220090464U (en) | Round slide fixing structure for rotary slide | |
| CN219875030U (en) | Center positioning device in J-shaped pipe | |
| CN214899855U (en) | Dynamic secondary pulling clamp for submarine cable | |
| CN212958504U (en) | Anti-corrosion oil pipe nipple | |
| CN217977739U (en) | Protection pad with reduce seabed and draw brush function can laminate pipe cable | |
| CN216813210U (en) | Outdoor axial high-pressure-resistant composite plastic pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |