CN117316501A - Composite deepwater dynamic hose umbilical cable and preparation method thereof - Google Patents
Composite deepwater dynamic hose umbilical cable and preparation method thereof Download PDFInfo
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- CN117316501A CN117316501A CN202311320981.3A CN202311320981A CN117316501A CN 117316501 A CN117316501 A CN 117316501A CN 202311320981 A CN202311320981 A CN 202311320981A CN 117316501 A CN117316501 A CN 117316501A
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- umbilical cable
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- 239000002131 composite material Substances 0.000 title claims abstract description 91
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000004677 Nylon Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 22
- 229920001778 nylon Polymers 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 96
- 238000003860 storage Methods 0.000 claims description 80
- 230000005540 biological transmission Effects 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009826 distribution Methods 0.000 abstract description 3
- 210000003437 trachea Anatomy 0.000 abstract description 2
- 239000003973 paint Substances 0.000 description 49
- 230000000149 penetrating effect Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/702—Arrangements for confining or removing dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/06—Annular guiding surfaces; Eyes, e.g. pigtails
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
- H01B13/0207—Details; Auxiliary devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/32—Filling or coating with impervious material
- H01B13/322—Filling or coating with impervious material the material being a liquid, jelly-like or viscous substance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0045—Cable-harnesses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/045—Flexible cables, conductors, or cords, e.g. trailing cables attached to marine objects, e.g. buoys, diving equipment, aquatic probes, marine towline
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
- B65H2701/341—Handled filamentary material electric cords or electric power cables in a manufacturing process
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention belongs to the technical field of cables, in particular to a composite deepwater dynamic hose umbilical cable and a preparation method thereof, wherein the umbilical cable comprises a power cable, a communication cable, a water pipe, an air pipe, a three-core sounding hose and a nylon rope; the communication cable, the water pipe, the air pipe, the three-core sounding hose and the nylon rope are all wound outside the power cable; through the communication cable, the water pipe, the trachea, three-core sounding hose and nylon rope that set up all twine in the outside of power cable, and wrap up by double-deck armor, thereby make the distribution of cross-section round more, also reduced cabling unit quantity, utilize two rolling poles to the umbilical cable rolling, realize the umbilical cable rolling, can detect the intensity when the four corners is crooked too big to the umbilical cable simultaneously, can dry the umbilical cable fast moreover, rely on the outside of stripper plate extrusion umbilical cable, can be spacing anticreep to the umbilical cable, rely on passing guide way and guide ring rolling with the umbilical cable, play the effect to the umbilical cable guide rolling.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a composite deepwater dynamic hose umbilical cable and a preparation method thereof.
Background
With the development of the deep sea in China, various deep sea equipment is widely applied, the deep sea equipment needs an operation platform on water to provide power and control signals, and a flexible connection capable of realizing a plurality of paths is needed between the deep sea equipment and the above water platform, however, the flexible connection is an umbilical cable, and takes responsibility of connecting an upper production depending facility and an underwater production system.
The current umbilical cable is mainly used for exploration and development of deep water oil gas and the like, for example, transmission of power signals and data between the seabed and DPP and transmission of chemical agent liquid, and is formed by mixing an electric wire unit, an electric cable unit, a tubular unit, an optical cable unit and the like.
The current umbilical cable mainly comprises a power unit and a data communication electric unit, wherein the electric units are mostly copper conductor cables, and the section arrangement of the electric units is not round enough, so that the transmission capacity is small, and the electric units are easy to be interfered by external environments and have large loss in the use process.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that the transmission capacity is small and the interference loss caused by the external environment is easy to occur in the using process because the cross section arrangement of the electric units is not round enough in the prior art, which is mostly copper conductor cables.
In order to solve the technical problems, the invention relates to a composite deepwater dynamic hose umbilical cable which comprises a power cable, a communication cable, a water pipe, an air pipe, a three-core sounding hose and a nylon rope; the communication cable, the water pipe, the air pipe, the three-core sounding hose and the nylon rope are all wound outside the power cable; the outside of power cable, communication cable, water pipe, trachea, three core sounding hose and nylon rope parcel have double-deck armor.
The preparation method is suitable for processing the composite deepwater dynamic hose umbilical cable, and comprises the following steps:
s1: firstly, selecting a finished semi-finished power cable, a communication cable, a water pipe, an air pipe, a three-core sounding hose and a nylon rope, then performing cabling operation on the semi-finished product of the umbilical cable of the composite deep water dynamic hose, and twisting the power cable, the communication cable, the water pipe, the air pipe, the three-core sounding hose and the nylon rope;
s2: after twisting the semi-finished product of the composite deepwater dynamic hose umbilical cable, performing armor operation on the semi-finished product, and armoring the outer surface of the composite deepwater dynamic hose umbilical cable, thereby manufacturing the composite deepwater dynamic hose umbilical cable;
s3: after the umbilical cable of the composite deepwater dynamic hose is sheathed, the final step of winding detection is carried out, the umbilical cable is firstly cleaned, then the umbilical cable of the composite deepwater dynamic hose is wound on winding equipment, the quality of the outer surface of the umbilical cable of the composite deepwater dynamic hose is detected in the winding process, and the production and the preparation of the umbilical cable of the composite deepwater dynamic hose are realized.
In one embodiment of the present invention, the winding device in S3 includes a winding frame; the outside of the winding frame is fixedly connected with a power box; a servo motor is arranged in the power box; the inside of the winding frame is symmetrically and rotationally connected with rotating rods, and one rotating rod is fixedly connected with the output end of the servo motor; the outer part of the rotating rod is fixedly connected with a supporting frame, and the two supporting frames are symmetrically arranged; a winding rod is fixedly connected between the pair of supporting frames, and two winding rods are arranged.
In one embodiment of the invention, a limit box is fixedly connected to the outside of the support frame far away from the power box; the inner thread of the limit box is connected with a bolt; the end of the bolt is rotationally connected with an extrusion plate, and the extrusion plate is positioned inside the limit box.
In one embodiment of the invention, a guide channel is arranged outside the top end of the winding frame; the inner wall of the winding frame is fixedly connected with a sliding rail plate; the inside of the sliding rail plate is connected with a guide ring in a sliding way through an electric sliding block.
In one embodiment of the invention, the inner part of the winding frame is symmetrically fixedly connected with an electric cylinder near the guide channel; the output ends of the two electric cylinders are fixedly connected with water storage boxes which are slidably connected in the winding frame; the section of the water storage box is semicircular; the outside of the water storage box far away from the electric cylinder is fixedly connected with a filter plate; a first sponge block is fixedly connected to the outside of the filter plate, and the cross section of the first sponge block is semicircular; a detector is fixedly connected in the winding frame, and an acrylic transparent plate is fixedly connected in the winding frame close to the detector; an electric spray head is arranged between the water storage box and the detector, and the electric spray head is communicated into the water storage box through a pipeline.
In one embodiment of the invention, a storage cavity is formed in the winding frame; the bristle block is fixedly connected to the part, close to the storage cavity, of the inner part of the winding frame; a fixing frame is fixedly connected to the top end of the winding frame; a storage cylinder is fixedly connected to the outside of the fixing frame; the top end of the winding frame is fixedly connected with a diversion box; the outside of rolling frame is provided with drive mechanism, and drive mechanism is used for controlling to smear lacquer to the umbilical cable.
In one embodiment of the invention, the transmission mechanism comprises a transmission gear, a transmission frame, a transmission rod, a one-way clutch and a control assembly; the transmission gear is fixedly connected to the outside of the rotating rod far away from the power box; the transmission frame is symmetrically fixedly connected to the top end of the winding frame, and is positioned right above the rotating rod; the transmission rod is rotatably connected to the outside of the top end of the transmission frame; the one-way clutch is fixedly connected to the outside of the transmission rod and is connected with the transmission gear through a chain; the control component is arranged in the middle of the transmission rod and is used for controlling the liquid in the storage cylinder to underflow.
In one embodiment of the invention, the bottom end of the storage cylinder is provided with a lower overflow port; the control assembly comprises a first bevel gear, a second bevel gear and an overflow groove; the first bevel gear is fixedly connected to the outside of the center of the transmission rod; the secondary bevel gear is rotatably connected to the bottom end of the storage cylinder, and is meshed with the primary bevel gear; the overflow groove is arranged at the top end of the two-bevel gear.
In one embodiment of the invention, a soft scraping plate is fixedly connected in the winding frame near the middle of the guide channel; a second sponge block is fixedly connected to the outer part of the soft scraping plate; a diversion trench is formed in the winding frame; the guiding gutter is the slope setting, and the guiding gutter can be by No. two sponge piece eminence intercommunication to storage chamber low.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. according to the composite deepwater dynamic hose umbilical cable and the preparation method thereof, the communication cable, the water pipe, the air pipe, the three-core sounding hose and the nylon rope are arranged to be wound outside the power cable and wrapped by double-layer armor, so that the distribution of the sections is more round, the number of cable forming units is reduced, the umbilical cable is wound by utilizing the two winding rods, the winding of the umbilical cable is realized, meanwhile, the strength of the umbilical cable when four corners are excessively bent can be detected, the umbilical cable can be quickly aired, the umbilical cable can be limited and prevented from falling by extruding the outside of the umbilical cable through the extruding plate, and the umbilical cable is guided and wound by winding the umbilical cable through the guiding channel and the guiding ring.
2. According to the composite deepwater dynamic hose umbilical cable and the preparation method thereof, the surface of the umbilical cable is wiped through the first sponge block, so that moisture and impurity residues on the surface of the umbilical cable are reduced, the brush hair block is used for absorbing waterproof paint to coat the surface of the umbilical cable, the underwater operation effect of the umbilical cable is improved, the transmission rod is driven to rotate by means of reverse rotation of the transmission gear, the first bevel gear and the second bevel gear are meshed and synchronously rotated, waterproof paint overflow in the storage barrel is controlled, and the function of quantitatively overflowing the waterproof paint is achieved.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a cross-sectional view of the construction of the composite deepwater dynamic hose umbilical of the present invention;
FIG. 2 is a flow chart of a method for preparing the composite deepwater dynamic hose umbilical of the present invention;
FIG. 3 is a perspective view of the winding frame of the present invention;
FIG. 4 is a partial cross-sectional view of the stop box of the present invention;
FIG. 5 is a schematic view of the structure of the guide channel in the present invention;
fig. 6 is a schematic structural view of a two-bevel gear in the present invention.
In the figure: 1. a power cable; 11. a communication cable; 12. a water pipe; 13. an air pipe; 14. three-core sounding hose; 15. nylon ropes; 16. double-layer armoring; 2. a winding frame; 21. a power box; 22. a rotating lever; 23. a support frame; 24. a winding rod; 3. a limit box; 31. a bolt; 32. an extrusion plate; 4. a guide channel; 41. a slide rail plate; 42. a guide ring; 5. an electric cylinder; 51. a water storage box; 52. a filter plate; 53. a first sponge block; 54. a detector; 55. an electric spray head; 6. a storage chamber; 61. a bristle block; 62. a fixing frame; 63. a storage cylinder; 64. a diversion box; 7. a transmission gear; 71. a transmission frame; 72. a transmission rod; 73. a one-way clutch; 74. a first bevel gear; 75. a two-size bevel gear; 76. an overflow trough; 8. a soft scraper; 81. a second sponge block; 82. and a diversion trench.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
As shown in fig. 1, the umbilical cable of the composite deepwater dynamic hose according to the embodiment of the invention comprises a power cable 1, a communication cable 11, a water pipe 12, an air pipe 13, a three-core deepness measuring hose 14 and a nylon rope 15; the communication cable 11, the water pipe 12, the air pipe 13, the three-core sounding hose 14 and the nylon rope 15 are all wound outside the power cable 1; the power cable 1, the communication cable 11, the water pipe 12, the air pipe 13, the three-core sounding hose 14 and the nylon rope 15 are wrapped with double-layer armors 16; when the composite deep water dynamic hose umbilical cable is prepared, the functional units comprise a power cable 1, a communication cable 11, two larger water pipes 12, two air pipes 13 and two three-core sounding hoses 14, the inside of the cable is filled with a plurality of nylon ropes 15, the outside of the cable is wrapped by double-layer armor 16, and because the hoses are not provided with outer jackets, two groups of three small hoses are twisted together, so that the distribution of the sections is more round, the number of cabling units is reduced, and the two groups of three small hoses are twisted respectively, so that each unit has more uniform outer diameter size, a small number of filling is needed, and only a small number of anisotropic filling is needed; adjacent units are tangent in pairs geometrically, so that the filling is less, secondary cabling is not needed, the number of cabling units is less, the difficulty in production and manufacturing is reduced, and the roundness of the umbilical cable is ensured; the hose umbilical cable obtained by the invention has the advantages that the power cable with higher strength is arranged in the center of the section, the hoses with lower strength are distributed at the boundary of the section with lower stress, the condition that the hose units are firstly yielding when being stressed is avoided, and the hose umbilical cable has excellent mechanical properties; under the condition of not influencing the arrangement mode, the wall thickness and the materials of the hose can be adjusted so as to adapt to the use requirements of the hose umbilical cable under different design pressures and different application depths; compared with the traditional PE, PVC and PP filling, the nylon rope 15 not only can keep the roundness of the umbilical cable, but also can be used as a bearing structure, so that the mechanical property of the hose umbilical cable is more excellent.
As shown in fig. 2, a method for preparing the composite deepwater dynamic hose umbilical cable is suitable for processing the composite deepwater dynamic hose umbilical cable, and comprises the following steps:
s1: firstly, selecting a finished semi-finished power cable 1, a communication cable 11, a water pipe 12, an air pipe 13, a three-core sounding hose 14 and a nylon rope 15, and then performing cabling operation on the semi-finished product of the composite deepwater dynamic hose umbilical cable, and twisting the power cable 1, the communication cable 11, the water pipe 12, the air pipe 13, the three-core sounding hose 14 and the nylon rope 15;
s2: after twisting the semi-finished product of the composite deepwater dynamic hose umbilical cable, performing armor operation on the semi-finished product, and armoring the outer surface of the composite deepwater dynamic hose umbilical cable, thereby manufacturing the composite deepwater dynamic hose umbilical cable;
s3: after the umbilical cable of the composite deepwater dynamic hose is sheathed, the final step of winding detection is carried out, the umbilical cable is firstly cleaned, then the umbilical cable of the composite deepwater dynamic hose is wound on winding equipment, the quality of the outer surface of the umbilical cable of the composite deepwater dynamic hose is detected in the winding process, and the production and the preparation of the umbilical cable of the composite deepwater dynamic hose are realized.
As shown in fig. 3 to 4, the winding device in S3 includes a winding frame 2; the outside of the winding frame 2 is fixedly connected with a power box 21; a servo motor is arranged in the power box 21; the inside of the winding frame 2 is symmetrically and rotatably connected with a rotating rod 22, and one rotating rod 22 is fixedly connected with the output end of the servo motor; the outside of the rotating rod 22 is fixedly connected with a supporting frame 23, and two supporting frames 23 are symmetrically arranged; a winding rod 24 is fixedly connected between the pair of supporting frames 23, and two winding rods 24 are arranged; when the composite deepwater dynamic hose umbilical cable is wound, the winding frame 2 serves as a base frame of the whole winding device, one end of the composite deepwater dynamic hose umbilical cable is wound on a single winding rod 24 in advance, the two winding rods 22 are driven to symmetrically rotate by matching with the two supporting frames 23 along with forward rotation of the output end of the servo motor in the power box 21, the composite deepwater dynamic hose umbilical cable is wound on the two winding rods 24 between the two supporting frames 23, so that the winding effect of the composite deepwater dynamic hose umbilical cable is achieved, meanwhile, the two winding rods 24 wind the umbilical cable, the strength of the umbilical cable when the four corners of the umbilical cable are bent too much can be detected, and the umbilical cable can be quickly dried.
The outside of the supporting frame 23 far away from the power box 21 is fixedly connected with a limit box 3; the inner thread of the limit box 3 is connected with a bolt 31; the end part of the bolt 31 is rotatably connected with an extrusion plate 32, and the extrusion plate 32 is positioned in the limit box 3; when the composite deepwater dynamic hose umbilical cable is rolled up at first, the end part of the composite deepwater dynamic hose umbilical cable is easy to fall off to influence the rolling, one end of the composite deepwater dynamic hose umbilical cable is inserted into the limiting box 3 in advance, the screw thread is screwed to drive the bolt 31 to extend into the limiting box 3 to drive the extrusion plate 32 to extrude outside the composite deepwater dynamic hose umbilical cable, so that the end part of the composite deepwater dynamic hose umbilical cable is extruded and limited, and the slipping condition of one end of the composite deepwater dynamic hose umbilical cable during rolling is reduced.
As shown in fig. 3 to 6, a guide channel 4 is formed outside the top end of the winding frame 2; the inner wall of the winding frame 2 is fixedly connected with a sliding rail plate 41; the inside of the sliding rail plate 41 is slidably connected with a guide ring 42 through an electric sliding block; when the composite deepwater dynamic hose umbilical cable is wound, the composite deepwater dynamic hose umbilical cable passes through the guide channel 4 in advance and penetrates the guide ring 42 to be limited in the limiting box 3, and the guide ring 42 is driven by the electric sliding block to slide on the sliding rail plate 41, so that the composite deepwater dynamic hose umbilical cable can be guided and wound, and the winding disorder winding condition of the composite deepwater dynamic hose umbilical cable is reduced.
As shown in fig. 3 and 5, an electric cylinder 5 is symmetrically and fixedly connected in the winding frame 2 near the guide channel 4; the output ends of the two electric cylinders 5 are fixedly connected with water storage boxes 51, and the water storage boxes 51 are slidably connected inside the winding frame 2; the cross section of the water storage box 51 is semicircular; the outside of the water storage box 51 far away from the electric cylinder 5 is fixedly connected with a filter plate 52; a first sponge block 53 is fixedly connected to the outside of the filter plate 52, and the cross section of the first sponge block 53 is semicircular; a detector 54 is fixedly connected in the winding frame 2, and an acrylic transparent plate is fixedly connected in the winding frame 2 near the detector 54; an electric spray head 55 is arranged between the water storage box 51 and the detector 54, and the electric spray head 55 is communicated into the water storage box 51 through a pipeline; after the surface of the composite deepwater dynamic hose umbilical cable is cleaned and rolled up, moisture permeation residues exist at the damaged position due to partial surface damage of the umbilical cable, the ageing of the surface of the umbilical cable is easy to accelerate, the detector 54 is utilized to detect the damage of the external part of the composite deepwater dynamic hose umbilical cable penetrating into the guide channel 4, the detector 54 adopts a visual detection mode to detect, an acrylic transparent plate arranged at the front end of the detector 54 can block impurities and moisture, the influence of the detector 54 in use is reduced, the output ends of the two electric cylinders 5 are elongated to drive the water storage box 51 to slide in the rolling frame 2, the two semicircular first sponge blocks 53 are attached to the external part of the composite deepwater dynamic hose umbilical cable, when the umbilical cable penetrates through the guide channel 4 to slide, the two first sponge blocks 53 can adsorb the surface moisture of the umbilical cable, the moisture residues on the surface of the umbilical cable are reduced, the first sponge blocks 53 are extruded by the cable, the filter plate 52 is attached to the filter plate 52, water can overflow to the water storage box 51 for internal storage, the umbilical cable can be scraped by the electric cable through the filter plate, and the transparent plate 55 can still be used for cleaning the surface of the umbilical cable when the umbilical cable is still used for cleaning the umbilical cable.
As shown in fig. 3, 5 and 6, a storage cavity 6 is formed in the winding frame 2; the bristle block 61 is fixedly connected to the part, close to the storage cavity 6, of the inner part of the winding frame 2; a fixing frame 62 is fixedly connected to the top end of the winding frame 2; a storage cylinder 63 is fixedly connected to the outside of the fixing frame 62; the top end of the winding frame 2 is fixedly connected with a diversion box 64; the outside of the winding frame 2 is provided with a transmission mechanism which is used for controlling the smearing of the umbilical cable; when the surface of the umbilical cable of the composite deepwater dynamic hose is detected to be damaged, waterproof paint is coated on the surface of the umbilical cable, the waterproof paint is filled into the storage barrel 63, and it is noted that water is required to be cleaned at the position of the storage box 51, the two electric cylinders 5 drive the storage box 51 and the first sponge block 53 respectively, the storage box 51 and the first sponge block 53 retract into the winding frame 2, or the interior of the guide channel 4 is dried and then sprayed with paint, the influence of water on the paint is reduced, the storage barrel 63 is supported by the two fixing frames 62 at the top end of the winding frame 2, the output end of the servo motor reversely rotates, the composite deepwater dynamic hose umbilical cable penetrating through the guide channel 4 is pulled by means of external force, the waterproof paint in the storage barrel 63 is controlled by the transmission mechanism to be overflowed, the waterproof paint overflowed from the guide box 64 is finally overflowed into the storage cavity 6, the temporary waterproof paint is absorbed by the bristle blocks 61, when the umbilical cable penetrates through the guide channel 4, the waterproof paint is coated on the surface of the penetrating cable, the tiny damaged paint can be used on the surface of the cable, and the umbilical cable can repair the umbilical cable by the waterproof paint, and the effect of the composite deepwater dynamic hose umbilical cable under underwater operation is improved.
The transmission mechanism comprises a transmission gear 7, a transmission frame 71, a transmission rod 72, a one-way clutch 73 and a control assembly; the transmission gear 7 is fixedly connected to the outside of a rotating rod 22 far away from the power box 21; the transmission frame 71 is symmetrically and fixedly connected to the top end of the winding frame 2, and the transmission frame 71 is positioned right above the rotating rod 22; the transmission rod 72 is rotatably connected to the outside of the top end of the transmission frame 71; the one-way clutch 73 is fixedly connected to the outside of the transmission rod 72, and the one-way clutch 73 is connected with the transmission gear 7 through a chain; the control component is arranged in the middle of the transmission rod 72 and is used for controlling the liquid in the storage cylinder 63 to overflow; when the waterproof paint inside the storage barrel 63 is controlled to overflow, the output end of the servo motor is utilized to reversely rotate, the transmission gear 7 is driven to rotate through the one-way clutch 73 connected with a chain, the chain is not shown in the figure, the one-way clutch 73 drives the transmission rod 72 on the transmission frame 71 to synchronously rotate, the control component is driven to move to control the waterproof paint inside the storage barrel 63 to overflow, the function of controlling the waterproof paint to overflow is achieved, and when the output end of the servo motor positively rotates, the one-way clutch 73 is driven to rotate through the one-way mechanism of the one-way clutch 73, so that the transmission gear 7 cannot drive the one-way clutch 73 connected with the chain to rotate, similar to the principle that part of bicycles are reversely pedaled and cannot be retreated, and therefore, when the composite deep water dynamic hose umbilical cable is wound, the umbilical cable is not coated with the waterproof paint.
A lower overflow port is formed at the bottom end of the storage cylinder 63; the control assembly includes a first bevel gear 74, a second bevel gear 75, and an overflow trough 76; the first bevel gear 74 is fixedly connected to the outside of the center of the transmission rod 72; the secondary bevel gear 75 is rotatably connected to the bottom end of the storage barrel 63, and the secondary bevel gear 75 is meshed with the primary bevel gear 74; the overflow groove 76 is arranged at the top end of the two-cone gear 75; when the waterproof paint inside the storage barrel 63 overflows, the lower overflow opening of the storage barrel 63 is plugged by utilizing the two bevel gears 75 in advance, the overflow groove 76 is staggered with the lower overflow opening of the storage barrel 63, the first bevel gear 74 is driven to rotate when the transmission rod 72 rotates, the first bevel gear 74 and the two bevel gears 75 are synchronously meshed to rotate, the overflow groove 76 can be continuously overlapped with the lower overflow opening of the storage barrel 63, a small amount of waterproof paint in the underflow part inside the storage barrel 63 is temporarily stored through the overflow groove 76, and finally, the water is guided to the storage cavity 6 by the guide box 64, so that the effect of controlling the overflow amount of the waterproof paint is achieved.
As shown in fig. 3 and 5, a soft scraping plate 8 is fixedly connected in the winding frame 2 near the middle of the guide channel 4; a second sponge block 81 is fixedly connected to the outer part of the soft scraping plate 8; a diversion trench 82 is formed in the winding frame 2; the diversion trench 82 is obliquely arranged, and the diversion trench 82 can be communicated to the lower part of the storage cavity 6 from the high part of the second sponge block 81; when the waterproof paint is coated on the surface of the umbilical cable of the composite deepwater dynamic hose, after the waterproof paint is coated on the umbilical cable by the bristle blocks 61, the umbilical cable slides to the soft scraping plate 8 to be scraped, so that excessive coating of the waterproof paint on the surface of the umbilical cable is reduced, the scraped waterproof paint can be absorbed by the second sponge block 81, and finally, the waterproof paint is temporarily stored at the storage cavity 6 by high-low overflow through the guide groove 82, so that the effect of recycling the waterproof paint with excessive coating is achieved.
During the working process, when the composite deepwater dynamic hose umbilical cable is wound, the winding frame 2 is used as a base frame of the whole winding equipment, one end of the composite deepwater dynamic hose umbilical cable is wound on a single winding rod 24 in advance, along with forward rotation of the output end of a servo motor in the power box 21, the two rotating rods 22 are driven to be matched with the two supporting frames 23 to symmetrically rotate, and the composite deepwater dynamic hose umbilical cable is wound on the two winding rods 24 between the two supporting frames 23, so that the winding effect of the composite deepwater dynamic hose umbilical cable is realized, meanwhile, the two winding rods 24 wind the umbilical cable, the strength of the umbilical cable when the four corners of the umbilical cable are bent too much can be detected, and the umbilical cable can be quickly dried; when the composite deepwater dynamic hose umbilical cable is wound at first, the end part of the composite deepwater dynamic hose umbilical cable is easy to fall off to influence winding, one end of the composite deepwater dynamic hose umbilical cable is inserted into the limiting box 3 in advance, the screw threads are screwed to drive the bolts 31 to extend into the limiting box 3 to drive the extrusion plate 32 to extrude outside the composite deepwater dynamic hose umbilical cable, so that the end part of the composite deepwater dynamic hose umbilical cable is extruded and limited, and the slipping condition of one end of the composite deepwater dynamic hose umbilical cable during winding is reduced;
when the composite deepwater dynamic hose umbilical cable is wound, the composite deepwater dynamic hose umbilical cable passes through the guide channel 4 and penetrates the guide ring 42 to be limited in the limiting box 3, and the guide ring 42 is driven by the electric sliding block to slide on the sliding rail plate 41, so that the effect of guiding and winding the composite deepwater dynamic hose umbilical cable can be achieved, and the winding mess of the composite deepwater dynamic hose umbilical cable is reduced;
after the surface of the composite deepwater dynamic hose umbilical cable is cleaned and rolled, the umbilical cable is easy to accelerate aging of the surface of the umbilical cable due to the fact that part of the surface is damaged, moisture is permeated and remained in the damaged part, the detector 54 is used for detecting the damage of the external part of the composite deepwater dynamic hose umbilical cable penetrating into the guide channel 4, the detector 54 is detected in a visual detection mode, an acrylic transparent plate arranged at the front end of the detector 54 can block impurities and moisture, the influence of the detector 54 in use is reduced, the output ends of the two electric cylinders 5 are stretched to drive the water storage box 51 to slide in the rolling frame 2, the two semicircular first sponge blocks 53 are attached to the external part of the composite deepwater dynamic hose umbilical cable, when the umbilical cable passes through the guide channel 4 to slide, the two first sponge blocks 53 can adsorb the surface moisture of the umbilical cable, the moisture remained on the surface of the umbilical cable is reduced, when the first sponge blocks 53 are extruded by the umbilical cable, the filter plate 52 is attached to the filter plate 52, water can overflow into the water storage box 51 to be stored, the inside the water storage box can be sprayed by the first sponge block 53, and the umbilical cable can be scraped by the transparent plate 55 when the umbilical cable is sprayed into the inner part of the umbilical cable, and the umbilical cable can be cleaned by the surface of the transparent channel, and the umbilical cable can still be cleaned;
when the surface of the umbilical cable of the composite deepwater dynamic hose is detected to be damaged, waterproof paint is coated on the surface of the umbilical cable, the waterproof paint is filled into the storage barrel 63, and it is noted that water is required to be cleaned at the position of the storage box 51, the two electric cylinders 5 respectively drive the storage box 51 and the first sponge block 53 and retract into the winding frame 2, or the interior of the guide channel 4 is dried and then sprayed with paint, so that the influence of water on the paint is reduced, the two fixing frames 62 support the storage barrel 63 at the top end of the winding frame 2, the output end of the servo motor reversely rotates, the composite deepwater dynamic hose umbilical cable penetrating through the guide channel 4 is pulled by means of external force, the waterproof paint in the storage barrel 63 is controlled by the transmission mechanism to be overflowed, the waterproof paint overflowed into the storage cavity 6 is finally overflowed, the bristle blocks 61 absorb the temporarily-stored waterproof paint, and when the cable passes through the guide channel 4, the bristle blocks 61 paint the waterproof paint on the surface of the penetrating cable, the micro damaged cable surface of the cable can use the waterproof paint, and the effect of the deepwater dynamic hose umbilical cable under the underwater operation is improved; when the waterproof paint in the storage cylinder 63 is controlled to overflow, the output end of the servo motor is utilized to reversely rotate to drive the transmission gear 7 to rotate through the one-way clutch 73 connected with a chain, the chain is not shown in the figure, the one-way clutch 73 drives the transmission rod 72 on the transmission frame 71 to synchronously rotate, the control component is driven to move to control the waterproof paint in the storage cylinder 63 to overflow, the function of controlling the waterproof paint to overflow is achieved, and when the output end of the servo motor positively rotates, the one-way mechanism of the one-way clutch 73 enables the transmission gear 7 to rotate and can not drive the one-way clutch 73 connected with the chain to rotate, similar to the principle that part of bicycles reversely pedal and cannot retreat, so that when the composite deep water dynamic hose umbilical cable is wound, the umbilical cable is not coated with the waterproof paint; when the overflow of the waterproof paint in the storage barrel 63 is controlled, the overflow opening of the storage barrel 63 is blocked by utilizing the two-bevel gear 75 in advance, at the moment, the overflow groove 76 is staggered with the overflow opening of the storage barrel 63, the first bevel gear 74 is driven to rotate when the transmission rod 72 rotates, and the first bevel gear 74 and the two-bevel gear 75 are synchronously meshed to rotate, so that the overflow groove 76 can be continuously overlapped with the overflow opening of the storage barrel 63, a small amount of waterproof paint in the underflow part in the storage barrel 63 is guided to the storage cavity 6 for temporary storage through the overflow groove 76 by the guide box 64, and the function of controlling the overflow amount of the waterproof paint is achieved;
when the waterproof paint is coated on the surface of the umbilical cable of the composite deepwater dynamic hose, after the waterproof paint is coated on the umbilical cable by the bristle blocks 61, the umbilical cable slides to the soft scraping plate 8 to be scraped, so that excessive coating of the waterproof paint on the surface of the umbilical cable is reduced, the scraped waterproof paint can be absorbed by the second sponge block 81, and finally, the waterproof paint is temporarily stored at the storage cavity 6 by high-low overflow through the guide groove 82, so that the effect of recycling the waterproof paint with excessive coating is achieved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. A compound deep water dynamic hose umbilical cable is characterized in that: comprises a power cable (1), a communication cable (11), a water pipe (12), an air pipe (13), a three-core sounding hose (14) and a nylon rope (15); the communication cable (11), the water pipe (12), the air pipe (13), the three-core sounding hose (14) and the nylon rope (15) are all wound outside the power cable (1); the power cable (1), the communication cable (11), the water pipe (12), the air pipe (13), the three-core sounding hose (14) and the nylon rope (15) are wrapped with double-layer armors (16).
2. A method for preparing a composite deepwater dynamic hose umbilical, which is suitable for processing the composite deepwater dynamic hose umbilical of claim 1, and is characterized in that: the method comprises the following steps:
s1: firstly, selecting a finished semi-finished power cable (1), a communication cable (11), a water pipe (12), an air pipe (13), a three-core sounding hose (14) and a nylon rope (15), and then performing cabling operation on the semi-finished product of the composite deep water dynamic hose umbilical cable, and twisting the power cable (1), the communication cable (11), the water pipe (12), the air pipe (13), the three-core sounding hose (14) and the nylon rope (15);
s2: after twisting the semi-finished product of the composite deepwater dynamic hose umbilical cable, performing armor operation on the semi-finished product, and armoring the outer surface of the composite deepwater dynamic hose umbilical cable, thereby manufacturing the composite deepwater dynamic hose umbilical cable;
s3: after the umbilical cable of the composite deepwater dynamic hose is sheathed, the final step of winding detection is carried out, the umbilical cable is firstly cleaned, then the umbilical cable of the composite deepwater dynamic hose is wound on winding equipment, the quality of the outer surface of the umbilical cable of the composite deepwater dynamic hose is detected in the winding process, and the production and the preparation of the umbilical cable of the composite deepwater dynamic hose are realized.
3. The method for preparing the composite deepwater dynamic hose umbilical of claim 2, wherein the method comprises the following steps: the winding device in the step S3 comprises a winding frame (2); an electric power box (21) is fixedly connected to the outside of the winding frame (2); a servo motor is arranged in the power box (21); the inside of the winding frame (2) is symmetrically and rotatably connected with a rotating rod (22), and one rotating rod (22) is fixedly connected with the output end of the servo motor; the outside of the rotating rod (22) is fixedly connected with a supporting frame (23), and the supporting frames (23) are symmetrically provided with two supporting frames; a winding rod (24) is fixedly connected between the pair of supporting frames (23), and two winding rods (24) are arranged.
4. A method of preparing a composite deepwater dynamic hose umbilical as claimed in claim 3, wherein: a limit box (3) is fixedly connected to the outside of the support frame (23) far away from the power box (21); a bolt (31) is connected with the inner thread of the limit box (3); the end part of the bolt (31) is rotatably connected with an extrusion plate (32), and the extrusion plate (32) is positioned inside the limit box (3).
5. A method of preparing a composite deepwater dynamic hose umbilical as claimed in claim 3, wherein: a guide channel (4) is formed outside the top end of the winding frame (2); the inner wall of the winding frame (2) is fixedly connected with a sliding rail plate (41); the inside of the sliding rail plate (41) is connected with a guide ring (42) in a sliding way through an electric sliding block.
6. The method for preparing the composite deepwater dynamic hose umbilical of claim 5, wherein the method comprises the following steps: an electric cylinder (5) is symmetrically and fixedly connected at a position, close to the guide channel (4), inside the winding frame (2); the output ends of the two electric cylinders (5) are fixedly connected with water storage boxes (51), and the water storage boxes (51) are slidably connected inside the winding frame (2); the section of the water storage box (51) is semicircular; the outside of the water storage box (51) far away from the electric cylinder (5) is fixedly connected with a filter plate (52); a first sponge block (53) is fixedly connected to the outside of the filter plate (52), and the cross section of the first sponge block (53) is semicircular; a detector (54) is fixedly connected in the winding frame (2), and an acrylic transparent plate is fixedly connected in the winding frame (2) close to the detector (54); an electric spray head (55) is arranged between the water storage box (51) and the detector (54), and the electric spray head (55) is communicated into the water storage box (51) through a pipeline.
7. A method of preparing a composite deepwater dynamic hose umbilical as claimed in claim 3, wherein: a storage cavity (6) is formed in the winding frame (2); the bristle block (61) is fixedly connected in the winding frame (2) near the storage cavity (6); a fixing frame (62) is fixedly connected to the top end of the winding frame (2); a storage cylinder (63) is fixedly connected to the outside of the fixing frame (62); the top end of the winding frame (2) is fixedly connected with a diversion box (64); the outside of rolling frame (2) is provided with drive mechanism, and drive mechanism is used for controlling to smear lacquer to the umbilical cable.
8. The method for preparing the composite deepwater dynamic hose umbilical of claim 7, wherein the method comprises the following steps: the transmission mechanism comprises a transmission gear (7), a transmission frame (71), a transmission rod (72), a one-way clutch (73) and a control assembly; the transmission gear (7) is fixedly connected to the outside of a rotating rod (22) far away from the power box (21); the transmission frame (71) is symmetrically fixedly connected to the top end of the winding frame (2), and the transmission frame (71) is positioned right above the rotating rod (22); the transmission rod (72) is rotatably connected to the outside of the top end of the transmission frame (71); the one-way clutch (73) is fixedly connected to the outside of the transmission rod (72), and the one-way clutch (73) is connected with the transmission gear (7) through a chain; the control component is arranged in the middle of the transmission rod (72) and is used for controlling the liquid in the storage cylinder (63) to overflow.
9. The method for preparing the composite deepwater dynamic hose umbilical of claim 8, wherein the method comprises the following steps: a lower overflow port is formed in the bottom end of the storage cylinder (63); the control assembly comprises a first bevel gear (74), a second bevel gear (75) and an overflow groove (76); the first bevel gear (74) is fixedly connected to the outside of the center of the transmission rod (72); the secondary bevel gear (75) is rotatably connected to the bottom end of the storage cylinder (63), and the secondary bevel gear (75) is meshed with the primary bevel gear (74); the overflow groove (76) is arranged at the top end of the two-bevel gear (75).
10. The method for preparing the composite deepwater dynamic hose umbilical of claim 7, wherein the method comprises the following steps: a soft scraping plate (8) is fixedly connected in the winding frame (2) near the middle of the guide channel (4); a second sponge block (81) is fixedly connected to the outer part of the soft scraping plate (8); a diversion trench (82) is formed in the winding frame (2); the guide groove (82) is obliquely arranged, and the guide groove (82) can be communicated to the lower part of the storage cavity (6) from the upper part of the second sponge block (81).
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| CN202311320981.3A CN117316501B (en) | 2023-10-12 | 2023-10-12 | Composite deepwater dynamic hose umbilical cable and preparation method thereof |
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| CN202167262U (en) * | 2011-07-20 | 2012-03-14 | 广东中德电缆有限公司 | Umbilical cable for underwater production system |
| CN202268201U (en) * | 2011-07-19 | 2012-06-06 | 中国海洋石油总公司 | Umbilical of subsea production system |
| WO2013128279A1 (en) * | 2012-03-01 | 2013-09-06 | Technip France | Umbilical |
| CN205911038U (en) * | 2016-08-08 | 2017-01-25 | 中天科技海缆有限公司 | Deep water developments hose umbilical cable |
| CN112875440A (en) * | 2021-01-11 | 2021-06-01 | 仲恺农业工程学院 | Umbilical cable winding and unwinding devices of underwater robot |
| CN113161055A (en) * | 2021-04-12 | 2021-07-23 | 杨贤初 | High-flexibility power drag chain control cable |
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2023
- 2023-10-12 CN CN202311320981.3A patent/CN117316501B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268201U (en) * | 2011-07-19 | 2012-06-06 | 中国海洋石油总公司 | Umbilical of subsea production system |
| CN202167262U (en) * | 2011-07-20 | 2012-03-14 | 广东中德电缆有限公司 | Umbilical cable for underwater production system |
| WO2013128279A1 (en) * | 2012-03-01 | 2013-09-06 | Technip France | Umbilical |
| CN205911038U (en) * | 2016-08-08 | 2017-01-25 | 中天科技海缆有限公司 | Deep water developments hose umbilical cable |
| CN112875440A (en) * | 2021-01-11 | 2021-06-01 | 仲恺农业工程学院 | Umbilical cable winding and unwinding devices of underwater robot |
| CN113161055A (en) * | 2021-04-12 | 2021-07-23 | 杨贤初 | High-flexibility power drag chain control cable |
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| CN117316501B (en) | 2024-06-28 |
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