CN117174367A - Cathode protection anticorrosion device for copper armor layer of submarine cable - Google Patents
Cathode protection anticorrosion device for copper armor layer of submarine cable Download PDFInfo
- Publication number
- CN117174367A CN117174367A CN202311299897.8A CN202311299897A CN117174367A CN 117174367 A CN117174367 A CN 117174367A CN 202311299897 A CN202311299897 A CN 202311299897A CN 117174367 A CN117174367 A CN 117174367A
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- sleeve
- plate
- cable
- submarine cable
- copper
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 62
- 239000010949 copper Substances 0.000 title claims abstract description 62
- 210000001503 joint Anatomy 0.000 claims abstract description 29
- 238000005260 corrosion Methods 0.000 claims abstract description 18
- 238000004210 cathodic protection Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000007493 shaping process Methods 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 10
- 238000005536 corrosion prevention Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Cable Accessories (AREA)
Abstract
The invention belongs to the technical field of cable protection, in particular to a cathode protection anti-corrosion device of a submarine cable copper armor layer, which comprises a lower sleeve, an upper sleeve and connecting lugs, wherein the upper sleeve is abutted against the surface of the lower sleeve; can be with the produced heat energy during use, can pass out through the heating panel, avoid the cable to cause the heat influence, can form the return circuit through the wire between two sets of prefabricated cover between the two strands of cables for the current can be stable provide submarine cable copper armor, thereby provide cathodic protection for submarine cable copper armor, can improve the tensile strength of cable after the butt joint, avoid when using, the cable receives to drag the back, and the phenomenon that breaks away from takes place for the butt joint department of two strands of cables, in order to protect submarine cable.
Description
Technical Field
The invention belongs to the technical field of cable protection, and particularly relates to a cathode protection corrosion prevention device for a copper armor layer of a submarine cable.
Background
Submarine cables, which are classified into communication cables and power cables, are effective ways of transmitting signals and power underwater. The submarine cable has the characteristics of large information capacity, long transmission distance, strong anti-interference capability, good confidentiality, low price and the like, so far, the submarine communication cable still bears 95% of the global national communication quantity, is irreplaceable by other communication means, has the function of power transmission except communication, has very important significance for electric energy grid connection of offshore wind power projects and power mutual transmission between islands, and has certain corrosion resistance and mechanical strength for a copper armor layer adopted by the submarine cable, thereby playing a role in protecting cable cores and other components. The corrosion prevention of the copper armor layer of the submarine cable is particularly important for the protection of the submarine cable;
the cathode protection corrosion prevention method is theoretically feasible for providing protection for the copper armor layer of the submarine cable, and particularly aims at the copper armor layer with an asphalt layer and a polypropylene rope, but because the diameter of the submarine cable is smaller than that of a general submarine pipeline, when the length of the cable is smaller than that of the pipeline, two cables are required to be welded and butted, the copper armor layer of the cable is exposed, after the butt joint, when the cable is dragged in the pipeline, the butt joint of the two cables is easy to loosen, a large amount of heat energy is generated at the welding position due to the traditional welding connection, the thermal influence is caused to the cable, and the normal use of the cable is influenced.
For this purpose, a cathodic protection anticorrosion device for a copper armor layer of a submarine cable is designed to solve the problems.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a cathode protection corrosion prevention device for a copper armor layer of a submarine cable, which can transfer heat energy generated during use out through a heat dissipation plate, avoid heat influence caused by cables, and enable two cables to form a loop through wires between two groups of prefabricated sleeves, so that current can be stably supplied to the copper armor layer of the submarine cable, thereby providing cathode protection for the copper armor layer of the submarine cable, improving tensile strength of the cable after butt joint, and avoiding the phenomenon that the butt joint parts of the two cables collapse and break away after the cable is dragged during use, so as to facilitate the protection of the submarine cable.
In order to achieve the above purpose, the present invention provides the following technical solutions: a cathodic protection anticorrosion device of a submarine cable copper armor layer, which comprises a lower sleeve, an upper sleeve abutting against the surface of the lower sleeve and connecting lugs which are connected with the lower sleeve and the upper sleeve;
the cable clamping and butting assembly is arranged in the lower sleeve and comprises a heat dissipation plate arranged in the lower sleeve, an adjusting frame connected to the surface of the heat dissipation plate in a sliding manner, and a first fixed clamping jaw, a second fixed clamping jaw and a fixed plate for clamping two strands of butting cables;
the butt joint reinforcing components are arranged in the lower sleeve and positioned at two sides of the adjusting frame, and comprise connecting plates symmetrically positioned at two sides of the adjusting frame, a wedge block I arranged at the bottom surface of the connecting plates, a prefabricated sleeve for fixing cables, a fixing block, a coil spring and a metal probe;
the butt joint reinforcing assembly is symmetrically arranged on the surface of the heat dissipation plate and comprises a positioning plate fixed on the surface of the heat dissipation plate, a U-shaped plate which is connected with the surface of the positioning plate in a sliding manner and provided with a through groove, and an arc-shaped clamping pad, an adjusting taper sleeve and an inclined rod for reinforcing cable connection.
As the cathode protection anti-corrosion device for the submarine cable copper armor layer, the surface of the radiating plate is provided with the fixing plate, the threaded holes formed in the surface of the fixing plate are internally connected with the adjusting bolts in a threaded manner, the adjusting bolts penetrate through one end of the fixing plate and are rotatably connected with the adjusting frame, and the bottom surface of the adjusting frame and the surface of the radiating plate are respectively provided with the second fixing clamping jaw and the first fixing clamping jaw correspondingly.
As the cathode protection anti-corrosion device for the submarine cable copper armor layer, the invention is preferable, a sliding sleeve is arranged at the center of the surface of the radiating plate, T-shaped pressing plates are connected in a sliding manner, arc-shaped extrusion parts are arranged at the two ends of each T-shaped pressing plate, shaping blocks are symmetrically arranged on the surface of the radiating plate and positioned on the two sides of the sliding sleeve, and pressing blocks are arranged in the upper sleeve.
As the cathode protection anti-corrosion device for the submarine cable copper armor layer, the concave inner cambered surface of the molding block is preferably provided with the toothed protrusions, and the surface of the molding block is provided with the copper sleeve which is sleeved at the butt joint position of the cable.
As the cathode protection anti-corrosion device for the submarine cable copper armor layer, the outer side of the sliding sleeve is preferably sleeved with the first spring, one end of the first spring is abutted against the surface of the heat dissipation plate, and the other end of the first spring is abutted against the T-shaped pressing plate.
As the cathode protection anti-corrosion device for the copper armor layer of the submarine cable, the arc-shaped extrusion piece is symmetrically provided with the connecting plates at two sides, the outer side of the cable is sleeved with the prefabricated sleeve, a plurality of groups of fixing blocks are annularly distributed and fixed in the prefabricated sleeve, each group of fixing blocks are rotatably connected with the metal probes with T-shaped structures, the outer surface of each metal probe is provided with the coil spring, the other end of each coil spring is connected with one of the fixing blocks, the outer side of the prefabricated sleeve is sleeved with the taper sleeve, the outer side of the taper sleeve is fixedly provided with the second wedge block, and the first wedge block is abutted with the second wedge block.
As the cathode protection anti-corrosion device for the copper armor layer of the submarine cable, the bottom of the taper sleeve is preferably provided with the sliding block, and the taper sleeve is connected in the strip-shaped groove formed in the surface of the heat dissipation plate in a sliding manner through the sliding block.
The end part of the metal probe penetrates through the cable insulation layer and is in contact with the copper armor layer of the cable, and the two corresponding prefabricated sleeves are connected through a wire.
As the cathode protection anti-corrosion device for the copper armor layer of the submarine cable, the bottom of one end of the connecting plate is fixedly provided with the inclined rod, the inclined rod is connected in the inclined hole formed in the surface of the U-shaped plate in a sliding mode, a plurality of arc-shaped clamping pads are distributed on one side surface of the positioning plate in an annular mode, the outer sides of the arc-shaped clamping pads are jointly provided with the same adjusting taper sleeve, and the adjusting taper sleeve is connected with the U-shaped plate.
As the cathode protection corrosion prevention device for the submarine cable copper armor layer, the cathode protection corrosion prevention device is preferable, sliding rods are arranged in the strip-shaped grooves formed in the annular distribution mode on one side surface of the positioning plate, a second spring is sleeved outside the sliding rods, one end of the second spring is abutted to the strip-shaped grooves formed in one side surface of the positioning plate, the other end of the second spring is abutted to the adjusting slide block which is connected to the outer surface of the sliding rods in a sliding mode, one side of the adjusting slide block is connected with the arc-shaped clamping pad, and the clamping surface of the arc-shaped clamping pad is integrally formed with the anti-skid nails.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the cable clamping and butting assembly is arranged, the butted cable is clamped between the first fixed clamping jaw and the second fixed clamping jaw through the rotating adjusting bolt, the pre-fixing treatment of the butted cable can be completed, the butted joint of two cables is positioned in a sealing space formed by combining the upper sleeve and the lower sleeve, and the exposed copper armor layer of the cable can be prevented from being corroded and damaged to a certain extent;
the copper sleeve, the shaping block and the arc extrusion structure are matched for use, so that after the cables are butted, the copper sleeve sleeved on the outer side of the cables is sleeved at the butted position of the cables, the pressing block arranged in the upper sleeve can press the T-shaped pressing plate, the arc extrusion parts arranged at the two ends of the T-shaped pressing plate extrude the copper sleeve, the copper sleeve is extruded and deformed, the tooth-shaped protrusions in the shaping block extrude the outer surface of the shaping block to form patterns, the butted position of the two sections of cables can be stably clamped on the copper sleeve, the copper armor layers of the two sections of cables are connected through the conductive copper sleeve to form a loop, heat energy generated during use can be transmitted through the heat dissipation plate, the normal use of the cables is avoided, and the submarine cables are protected;
2. under the matched use of the structures such as the prefabricated sleeve, the metal probe, the coil spring and the taper sleeve, the arc-shaped extrusion piece is pushed to press the copper sleeve downwards, so that the taper sleeve slides to one side under the guiding action of the sliding block, the prefabricated sleeve which is preset on the surface of the cable can be pressed and driven to move to one side when the taper sleeve moves, one end of the metal probe can be tightly inserted into the surface of the cable under the elasticity of the coil spring, the end part of the metal probe penetrates through the cable insulation layer and is contacted with the copper armor layer of the cable, and two corresponding prefabricated sleeves are connected through a wire;
3. through the butt joint reinforcing assembly who sets up, under the cooperation of structures such as U-shaped board, arc clamp pad and regulation taper sleeve through setting up, can drive the connecting plate and take place to move down at the arc extrusion piece, install the diagonal rod in connecting plate one end bottom surface can slide in the inclined hole of U-shaped board surface seting up, make the U-shaped board can slide to one side in the logical inslot that the locating plate surface was setted up, make the regulation taper sleeve to be close to one side that a plurality of arc clamp pad and remove, under the cooperation of a plurality of arc clamp pads of taper groove and toper structure that the taper sleeve surface was setted up, can press from both sides the cable of placing in a plurality of arc clamp pads tightly, can improve the tensile strength of cable after the butt joint, avoid when using, the cable receives to drag the back, the phenomenon that breaks away from takes place in the butt joint department of two strands of cable, so that further protection is taken place to the junction of submarine cable, the cable copper layer after the armor is avoided connecting breaks and is broken.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal part of the lower sleeve according to the present invention;
FIG. 3 is a schematic view of the internal part of the upper sleeve of the present invention;
FIG. 4 is a schematic view of a cable clamp docking assembly and a docking enhancement assembly according to the present invention;
FIG. 5 is a schematic view of the structure of the copper sleeve, the sliding sleeve, the molding block and the fixing plate in the invention;
FIG. 6 is a schematic view of the structure of the connection plate, the taper sleeve, the slider and the preformed sleeve according to the present invention;
FIG. 7 is a schematic view of the structure of the fixed block, coil spring and metal probe of the present invention;
FIG. 8 is a schematic view of the structure of the U-shaped plate, the diagonal rod, the locating plate and the adjusting cone sleeve of the present invention;
FIG. 9 is a schematic view of the cleat and arcuate clip pad of the present invention;
FIG. 10 is an enlarged schematic view of the structure A in FIG. 9 according to the present invention;
in the figure:
1. a lower sleeve;
2. an upper sleeve;
3. a connecting lug;
4. the cable clamping and butting assembly; 41. a heat dissipation plate; 42. briquetting; 43. a T-shaped pressing plate; 44. a first spring; 45. a sliding sleeve; 46. an arcuate extrusion; 47. a copper sleeve; 48. a clamping jaw I is fixed; 49. shaping blocks; 401. an adjusting frame; 402. a fixing plate; 403. an adjusting bolt; 404. a second clamping jaw is fixed;
5. a docking enhancement assembly; 51. a connecting plate; 52. wedge block one; 53. wedge block two; 54. a taper sleeve; 55. a slide block; 56. a fixed block; 57. a coil spring; 58. a metal probe; 59. prefabricating a sleeve;
6. butting and reinforcing components; 61. a diagonal rod; 62. a U-shaped plate; 63. adjusting the taper sleeve; 64. an arc-shaped clamping pad; 65. an anti-skid nail; 66. a slide bar; 67. an adjusting slide block; 68. a second spring; 69. and (5) positioning the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1-10, the present invention provides a technical solution: the cathodic protection anticorrosion device of the copper armor layer of the submarine cable comprises a lower sleeve 1, an upper sleeve 2 abutting against the surface of the lower sleeve 1 and a connecting lug 3 which is identical to the connecting lug connecting the lower sleeve 1 and the upper sleeve 2;
the cable clamping and abutting assembly 4 is arranged in the lower sleeve 1, and the cable clamping and abutting assembly 4 comprises a heat dissipation plate 41 arranged in the lower sleeve 1, an adjusting frame 401 which is connected to the surface of the heat dissipation plate 41 in a sliding manner, a first fixing clamping jaw 48, a second fixing clamping jaw 404 and a fixing plate 402, wherein the first fixing clamping jaw 48, the second fixing clamping jaw 404 and the fixing plate 402 are used for clamping two strands of abutting cables;
the lower sleeve 1 is internally provided with butt joint reinforcing assemblies 5 at two sides of the adjusting frame 401, and the butt joint reinforcing assemblies 5 comprise a connecting plate 51 symmetrically arranged at two sides of the adjusting frame 401, a first wedge-shaped block 52 arranged at the bottom surface of the connecting plate 51, a prefabricated sleeve 59 for fixing cables, a fixed block 56, a coil spring 57 and a metal probe 58;
the butt joint reinforcing component 6 is symmetrically arranged in the lower sleeve 1 and positioned on the surface of the heat dissipation plate 41, and the butt joint reinforcing component 6 comprises a positioning plate 69 fixed on the surface of the heat dissipation plate 41, a U-shaped plate 62 which is connected with the surface of the positioning plate 69 in a sliding manner and is arranged in a through groove, an arc-shaped clamping pad 64 for reinforcing cable connection, an adjusting taper sleeve 63 and an inclined rod 61.
The surface mounting of heating panel 41 has fixed plate 402, and the screw hole internal thread that fixed plate 402 surface offered has adjusting bolt 403, and adjusting bolt 403 runs through the one end of fixed plate 402 and rotates with adjusting frame 401 to be connected, and fixed clamping jaw two 404 and fixed clamping jaw one 48 are installed respectively corresponding to the bottom surface of adjusting frame 401 and the surface of heating panel 41.
A sliding sleeve 45 is arranged at the center of the surface of the heat dissipation plate 41, a T-shaped pressing plate 43 is connected in the sliding sleeve 45 in a sliding mode, arc-shaped pressing pieces 46 are arranged at two ends of the T-shaped pressing plate 43, shaping blocks 49 are symmetrically arranged on the surface of the heat dissipation plate 41 and located on two sides of the sliding sleeve 45, and a pressing block 42 is arranged in the upper sleeve 2.
The concave shaping block 49 is provided with tooth-shaped protrusions in the intrados, and the surface of the shaping block 49 is provided with a copper sleeve 47 for sleeving the cable at the joint.
The outer side of the sliding sleeve 45 is sleeved with a first spring 44, one end of the first spring 44 is abutted against the surface of the heat dissipation plate 41, and the other end of the first spring 44 is abutted against the T-shaped pressing plate 43.
The connecting plate 51 is symmetrically installed on two sides of the arc extrusion piece 46, a prefabricated sleeve 59 is sleeved on the outer side of the cable, a plurality of groups of fixing blocks 56 are fixedly distributed in an annular mode in the prefabricated sleeve 59, metal probes 58 with T-shaped structures are rotatably connected between each group of fixing blocks 56, coil springs 57 are installed on the outer surfaces of the metal probes 58, the other ends of the coil springs 57 are connected with one of the fixing blocks 56, a taper sleeve 54 is sleeved on the outer side of the prefabricated sleeve 59, a second wedge block 53 is fixedly arranged on the outer side of the taper sleeve 54, and the first wedge block 52 is abutted to the second wedge block 53.
The bottom of the taper sleeve 54 is fixed with a sliding block 55, and the taper sleeve 54 is connected in a strip-shaped groove formed in the surface of the heat dissipation plate 41 in a sliding manner through the sliding block 55.
The ends of the metal probes 58 pass through the cable insulation and are in contact with the copper armor of the cable, with the two corresponding preformed jackets 59 being connected by wires.
The inclined rod 61 is fixed to the bottom of one end of the connecting plate 51, the inclined rod 61 is slidably connected in an inclined hole formed in the surface of the U-shaped plate 62, a plurality of arc-shaped clamping pads 64 are annularly distributed on one side surface of the positioning plate 69, the outer sides of the arc-shaped clamping pads 64 are jointly provided with the same adjusting taper sleeve 63, and the adjusting taper sleeve 63 is connected with the U-shaped plate 62.
Slide bars 66 are arranged in the strip-shaped grooves formed in the annular distribution mode on one side surface of the positioning plate 69, a second spring 68 is sleeved on the outer side of the slide bars 66, one end of the second spring 68 is abutted to the strip-shaped grooves formed in the one side surface of the positioning plate 69, the other end of the second spring 68 is abutted to an adjusting slide block 67 which is connected to the outer surface of the slide bars 66 in a sliding mode, one side of the adjusting slide block 67 is connected with an arc-shaped clamping pad 64, and an anti-skid nail 65 is integrally formed on the clamping surface of the arc-shaped clamping pad 64.
The working principle of the invention is as follows: when the cable butt joint device is used, firstly, the outer layer of the butt joint position of two cables is stripped, the upper sleeve 2 is opened, the butt joint ends of the two cables are respectively penetrated from the two ends of the lower sleeve 1, the two ends of the cables are respectively penetrated from the two adjusting taper sleeves 63 through the arc-shaped clamping pads 64, the stripped multi-strand cables are respectively penetrated from the taper sleeves 54, the prefabricated sleeves 59 and the copper sleeves 47 which are prepared in advance are sleeved on the outer sides of the cables, the butt joint ends of the two cables are subjected to butt joint treatment, after the butt joint, the adjusting frame 401 slides to one side on the surface of the heat dissipation plate 41 through the rotating adjusting bolts 403, the butt joint cables are clamped between the first fixing clamping jaw 48 and the second fixing clamping jaw 404, the butt joint pre-fixing treatment of the cables can be completed, and the butt joint position of the two cables is positioned in a sealing space formed by combining the upper sleeve and the lower sleeve, so that the exposed copper armor layer of the cables can be prevented from being corroded and damaged to a certain extent;
after the cables are butted, a copper sleeve 47 sleeved on the outer side of each cable is sleeved at the butted position of each cable manually, an upper sleeve 2 is installed on the surface of a lower sleeve 1 through a connecting lug 3 and a connecting bolt, at the moment, a pressing block 42 installed in the upper sleeve 2 can press a T-shaped pressing plate 43 and enable a first spring 44 to be compressed, an arc-shaped extrusion piece 46 installed at two ends of the T-shaped pressing plate 43 extrudes the copper sleeve 47, the copper sleeve 47 is extruded and deformed, and the outer surface of each molding block 49 is extruded with patterns through tooth-shaped protrusions in each molding block 49, so that the butted position of two sections of cables can be stably clamped on the copper sleeve 47, and heat energy generated during use can be transmitted out through a heat dissipation plate 41, so that the normal use of the cables is prevented from being influenced, and submarine cables are protected;
meanwhile, the arc-shaped extrusion piece 46 can drive the connecting plate 51 to move downwards, the first wedge block 52 fixed on the bottom surface of the connecting plate 51 presses the second wedge block 53, so that the taper sleeve 54 slides to one side under the guiding action of the sliding block 55, the taper sleeve 54 can press the prefabricated sleeve 59 preset on the surface of the cable and drive the prefabricated sleeve 59 to move to one side when moving, one end of the metal probe 58 can be tightly inserted into the surface of the cable under the elasticity of the coil spring 57, the end of the metal probe 58 passes through the cable insulation layer and is in contact with the copper armor layer of the cable, and two corresponding prefabricated sleeves 59 are connected through wires;
when the arc extrusion piece 46 can drive the connecting plate 51 to move downwards, the inclined rod 61 installed on the bottom surface of one end of the connecting plate 51 can slide in the inclined hole formed in the surface of the U-shaped plate 62, so that the U-shaped plate 62 can slide to one side in the through groove formed in the surface of the positioning plate 69, the adjusting taper sleeve 63 is promoted to move to one side close to the arc clamping pads 64, cables placed in the arc clamping pads 64 can be clamped under the cooperation of the taper groove formed in the surface of the adjusting taper sleeve 63 and the arc clamping pads 64 of the taper structure, the tensile strength of the cables after being butted can be improved, the phenomenon that the butted parts of two cables are broken and separated after the cables are dragged in use is avoided, so that the joint of the submarine cables is further protected, and the breakage and damage of the copper armor layer of the cables after connection are avoided.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cathodic protection corrosion prevention device for a submarine cable copper armor layer, which comprises a lower sleeve (1), an upper sleeve (2) which is abutted against the surface of the lower sleeve (1) and a connecting lug (3) which is connected with the lower sleeve (1) and the upper sleeve (2);
the method is characterized in that: a cable clamping and butting assembly (4) is arranged in the lower sleeve (1), and the cable clamping and butting assembly (4) comprises a heat dissipation plate (41) arranged in the lower sleeve (1), an adjusting frame (401) connected to the surface of the heat dissipation plate (41) in a sliding manner, a first fixed clamping jaw (48), a second fixed clamping jaw (404) and a fixed plate (402) for clamping two strands of butting cables;
a butt joint reinforcing assembly (5) is arranged in the lower sleeve (1) and positioned at two sides of the adjusting frame (401), the butt joint reinforcing assembly (5) comprises a connecting plate (51) symmetrically positioned at two sides of the adjusting frame (401), a wedge block I (52) arranged at the bottom surface of the connecting plate (51), a prefabricated sleeve (59) for fixing a cable, a fixed block (56), a coil spring (57) and a metal probe (58);
the butt joint reinforcing assembly (6) is symmetrically arranged on the surface of the radiating plate (41) in the lower sleeve (1), the butt joint reinforcing assembly (6) comprises a positioning plate (69) fixed on the surface of the radiating plate (41) and a U-shaped plate (62) which is connected with the positioning plate (69) in a sliding manner and is arranged in a through groove on the surface of the positioning plate (69), and an arc-shaped clamping pad (64), an adjusting taper sleeve (63) and an inclined rod (61) for reinforcing cable connection.
2. The cathodic protection corrosion protection device for a copper armor layer of a submarine cable according to claim 1, wherein: the surface mounting of heating panel (41) has fixed plate (402), threaded hole internal thread that fixed plate (402) surface was seted up has adjusting bolt (403), adjusting bolt (403) run through one end of fixed plate (402) with adjust frame (401) rotate and be connected, the bottom surface of adjust frame (401) with the surface of heating panel (41) corresponds respectively installs fixed clamping jaw two (404) with fixed clamping jaw one (48).
3. The cathodic protection corrosion protection device for a copper armor layer of a submarine cable according to claim 1, wherein: a sliding sleeve (45) is arranged at the center of the surface of the radiating plate (41), a T-shaped pressing plate (43) is connected in the sliding sleeve (45) in a sliding mode, arc-shaped extrusion pieces (46) are arranged at two ends of the T-shaped pressing plate (43), shaping blocks (49) are symmetrically arranged on the surface of the radiating plate (41) and located on two sides of the sliding sleeve (45), and pressing blocks (42) are arranged in the upper sleeve (2).
4. A cathodic protection corrosion protection device for a copper armor layer of a submarine cable according to claim 3, wherein: the concave inner cambered surface of the shaping block (49) is internally provided with toothed protrusions, and the surface of the shaping block (49) is provided with a copper sleeve (47) which is sleeved at the joint of the cables.
5. A cathodic protection corrosion protection device for a copper armor layer of a submarine cable according to claim 3, wherein: the outer side of the sliding sleeve (45) is sleeved with a first spring (44), one end of the first spring (44) is abutted against the surface of the heat dissipation plate (41), and the other end of the first spring (44) is abutted against the T-shaped pressing plate (43).
6. A cathodic protection corrosion protection device for a copper armor layer of a submarine cable according to claim 3, wherein: the utility model discloses a cable, including arc extrusion piece (46), connecting plate (51), prefabricated cover (59) are equipped with to the outside cover of arc extrusion piece (46), be annular distribution in prefabricated cover (59) and be fixed with multiunit fixed block (56), every group all rotate between fixed block (56) be connected with metal probe (58) of T shape structure, the surface mounting of metal probe (58) has coil spring (57), the other end of coil spring (57) is connected with one of them fixed block (56), the outside cover of prefabricated cover (59) is equipped with taper sleeve (54), the outside of taper sleeve (54) is fixed with wedge two (53), wedge one (52) with wedge two (53) looks butt.
7. The cathodic protection corrosion protection device for copper armor of submarine cable according to claim 6, wherein: the bottom of the taper sleeve (54) is fixedly provided with a sliding block (55), and the taper sleeve (54) is connected in a strip-shaped groove formed in the surface of the heat dissipation plate (41) in a sliding mode through the sliding block (55).
8. The cathodic protection corrosion protection device for copper armor of submarine cable according to claim 6, wherein: the ends of the metal probes (58) penetrate through the cable insulation layer and are in contact with the copper armor layer of the cable, and the two corresponding prefabricated sleeves (59) are connected through wires.
9. The cathodic protection corrosion protection device for a copper armor layer of a submarine cable according to claim 1, wherein: one end bottom of connecting plate (51) is fixed with down tube (61), down tube (61) sliding connection is in the inclined hole of seting up on U-shaped board (62) surface, one side surface of locating plate (69) is annular distribution and is provided with a plurality of arc clamp pad (64), a plurality of the outside of arc clamp pad (64) is provided with the same jointly adjust taper sleeve (63), adjust taper sleeve (63) with U-shaped board (62) are connected.
10. The cathodic protection corrosion protection device for a copper armor layer of a submarine cable according to claim 1, wherein: slide bar (66) are all installed in the bar-shaped groove that one side surface of locating plate (69) was annular distribution offered, the outside cover of slide bar (66) is equipped with spring two (68), the one end butt of spring two (68) is in the bar-shaped groove that one side surface of locating plate (69) was offered, just the other end and the sliding connection of spring two (68) are in adjusting slider (67) butt of slide bar (66) surface, one side of adjusting slider (67) with arc presss from both sides pad (64) and is connected, the clamping face integrated into one piece of arc presss from both sides pad (64) has non-skid nail (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311299897.8A CN117174367A (en) | 2023-10-09 | 2023-10-09 | Cathode protection anticorrosion device for copper armor layer of submarine cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311299897.8A CN117174367A (en) | 2023-10-09 | 2023-10-09 | Cathode protection anticorrosion device for copper armor layer of submarine cable |
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| CN117174367A true CN117174367A (en) | 2023-12-05 |
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| CN202311299897.8A Pending CN117174367A (en) | 2023-10-09 | 2023-10-09 | Cathode protection anticorrosion device for copper armor layer of submarine cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117810894A (en) * | 2024-01-02 | 2024-04-02 | 江苏亨通高压海缆有限公司 | A submarine cable protection device |
| CN118249153A (en) * | 2024-03-27 | 2024-06-25 | 晋阳光能有限公司 | Connecting device is used in production of foldable photovoltaic module |
-
2023
- 2023-10-09 CN CN202311299897.8A patent/CN117174367A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117810894A (en) * | 2024-01-02 | 2024-04-02 | 江苏亨通高压海缆有限公司 | A submarine cable protection device |
| CN118249153A (en) * | 2024-03-27 | 2024-06-25 | 晋阳光能有限公司 | Connecting device is used in production of foldable photovoltaic module |
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