CN114132795A - Traction structure for relieving damage of laid submarine cable - Google Patents
Traction structure for relieving damage of laid submarine cable Download PDFInfo
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- CN114132795A CN114132795A CN202111431506.4A CN202111431506A CN114132795A CN 114132795 A CN114132795 A CN 114132795A CN 202111431506 A CN202111431506 A CN 202111431506A CN 114132795 A CN114132795 A CN 114132795A
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- cable
- submarine cable
- pipe
- air
- base plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/04—Cable-laying vessels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/30—Swifts or skein holders
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- 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
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- 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
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- 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
- B65H57/12—Tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H71/00—Moistening, sizing, oiling, waxing, colouring or drying filamentary material as additional measures during package formation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/10—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
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- 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
Abstract
The invention discloses a traction structure for relieving damage of laid submarine cables, which comprises a base plate, wherein a submarine cable winding and unwinding device is arranged on the base plate, a submarine cable water inlet device is arranged at one end of the base plate, and the submarine cable winding and unwinding device comprises a submarine cable pull-back component, a submarine cable upper-picking component and a submarine cable lower-releasing component which are sequentially arranged on the upper surface of the base plate; the submarine cable water inlet device comprises a square slide rail rod, a horizontal displacement buffer part, a cable laying pipe, a plurality of air floating parts and an air source part, wherein two ends of the square slide rail rod are fixed on the upper surface of a base plate through vertical plates; the submarine cable on the cable ship sequentially passes through the submarine cable lowering component, the submarine cable raising component, the submarine cable pulling component and the cable laying pipe and then enters seawater. The invention relates to a traction mechanism capable of avoiding damage caused by over-small bending radius when laying a submarine cable.
Description
Technical Field
The invention mainly relates to the technical field of submarine cable laying, in particular to a traction structure for relieving damage of submarine cable laying.
Background
The cable laying refers to a process of laying and installing cables along an investigated route to form a cable line, the cables will be subjected to water entering, settlement and bottom sinking laying in seawater during the submarine cable laying, and the cables are prevented from being damaged due to the fact that the bending radius of the cables is too small in the process.
According to the intelligent submarine cable take-up and pay-off rack provided by the patent document with the application number of CN201710513907.1, the intelligent submarine cable take-up and pay-off rack comprises a device main body, wherein a bearing platform, a guide rail and a submarine cable storage pool are arranged in the device main body; the bearing table is provided with a cable passing hole, a traction table and a traction rail, the traction table is provided with a traction wheel, the traction wheel is connected with a traction motor, the traction motor is electrically connected with a master controller, and the traction rail is provided with a guide wheel set; a wire arrangement motor set is arranged on the guide rail, the wire arrangement motor set is connected with the tail part of the threaded rod, and the front end of the threaded rod is fixedly connected with the fixed pulley; the central position in the submarine cable storage pond is provided with minimum crooked frame. The product can realize the intellectualization and automation of submarine cable arrangement, and can prevent the arrangement from slipping.
The product in the above-mentioned patent can realize that submarine cable winding displacement is intelligent, automatic, can prevent simultaneously that the winding displacement from skidding, nevertheless can't avoid the submarine cable to cause the damage because of bend radius undersize.
Disclosure of Invention
The invention mainly provides a traction structure for relieving the laying damage of a submarine cable, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the traction structure for relieving the laying damage of the submarine cable comprises a base plate arranged on a cable ship, wherein a submarine cable winding and unwinding device is arranged on the base plate, a submarine cable water inlet device is arranged at one end of the base plate, and the submarine cable winding and unwinding device comprises a submarine cable pull-back component, a submarine cable upper-picking component and a submarine cable lower-releasing component which are sequentially arranged on the upper surface of the base plate in the direction away from the submarine cable water inlet device;
the submarine cable water inlet device comprises a square slide rail rod, a horizontal displacement buffer part, a cable laying pipe, a plurality of air floating parts and an air source part, wherein two ends of the square slide rail rod are fixed on the upper surface of a base plate through vertical plates;
the submarine cable on the cable ship sequentially passes through the submarine cable lowering component, the submarine cable raising component, the submarine cable pulling component and the cable laying pipe and then enters seawater.
Preferably, the submarine cable pulls back the part including locating the first driving motor of base plate upper surface locates first driving motor execution end just fixes the first speed reducer on the base plate locates the central siphon of first speed reducer execution end to and the one end rotates connecting axle inside pipe wall, the other end and passes through the pull-back cable roller of bearing frame connection base plate upper surface, pull-back cable roller is close to the one end of central siphon is equipped with the ratchet, the central siphon inner wall rotates and connects a plurality of locking dogs, the central siphon inner wall is equipped with the elastic sheet that is used for forcing locking dog contact ratchet, the central siphon outer wall is equipped with miniature driving cylinder, miniature driving cylinder execution end connects rope one end, the rope other end runs through and connects locking dog. In the preferred embodiment, the submarine cable is conveniently controlled to settle through the submarine cable pulling part, the bending radius of the submarine embedded end of the submarine cable and the water inlet end of the sea surface is prevented from being too small due to too fast sedimentation of the submarine cable, free movement of the submarine cable in water is facilitated through the ratchet mechanism, and only the motor is required to work during pulling.
Preferably, it includes that linear array locates to choose the part on the submarine cable a plurality of driving cylinders of base plate upper surface are located the square support frame of driving cylinder execution end is located the arc of square support frame inner wall top and bottom to and both ends rotate the pulley of connecting square support frame inner wall both sides and lateral wall through the arc respectively, the pulley is located the arc with between the square support frame inner wall. In the preferred embodiment, the hoisting part of the submarine cable is used for facilitating the hoisting of the laid-back submarine cable when the submarine cable is pulled back, so as to prevent the coiling of the submarine cable from being damaged.
Preferably, the submarine cable lowering component comprises a second driving motor arranged on the upper surface of the base plate, a second speed reducer arranged at the execution end of the second driving motor and fixed on the base plate, and a cable lowering roller with one end connected with the execution end of the second speed reducer and the other end connected with the upper surface of the base plate through a bearing seat. In the preferred embodiment, the tractive force is imparted to the sea cable in the hold by the sea cable lowering means to facilitate entry of the sea cable into the water.
Preferably, the horizontal displacement buffer component comprises a sliding tube sleeved on the outer wall of the square sliding rail rod, and springs sleeved on the outer wall of the square sliding rail rod and located on two sides of the sliding tube. In the preferred embodiment, the horizontal displacement buffer component is used for buffering the horizontal displacement force generated when the cable laying vessel turns, so as to protect the submarine cable.
Preferably, the inner wall of the cable laying pipe is provided with a cable return water scraping ring and a cable return dirt filtering ring in sequence along the direction of the submarine cable winding and unwinding device, the cable laying pipe comprises a hard pipe and a soft pipe which are arranged in sequence along the direction of the submarine cable winding and unwinding device, and the side wall of the sliding pipe is connected with the outer wall of one end of the hard pipe through a spherical pair structure. In this preferred embodiment, be convenient for the sea cable steadily to get into the sea water through the cable laying pipe, can prevent through the hard tube that the hull from removing the surface of water ripple that produces to the sea cable income water and produce the influence, strain dirty ring through the cable return and take impurity or sea water back to the device body when preventing to pull back the sea cable on to protect the device is whole.
Preferably, the air source part is including locating the gas holder of base plate upper surface locates the air feed pump at gas holder top, the symmetry is located put the first gas-supply pipe of cable pipe outer wall to and one end is connected with the gas holder, the second gas-supply pipe that the other end is connected with first gas-supply pipe. In the preferred embodiment, the air supply to the air floating unit is facilitated by an air supply unit.
Preferably, the air supporting component comprises a U-shaped air bag arranged on the side wall of the cable laying pipe and an air pressure sensor arranged in the U-shaped air bag, and the outer wall of the U-shaped air bag is connected with the first air conveying pipe through an electric control valve. In the preferred embodiment, the angle of the cable laying pipe is convenient to adjust through the air floatation component, so that the submarine cable enters the seawater at a proper water inlet angle.
Preferably, the second air conveying pipe side wall is provided with a flow detection component, and the flow detection component comprises a flow sensor arranged on the outer wall of the second air conveying pipe. In the preferred embodiment, the flow sensor is used to obtain the airflow information, so as to calculate the gas quantity according to the time and the airflow information, and to estimate the buoyancy.
Preferably, the temperature adjusting part is established to second gas-supply pipe lateral wall cover, the temperature adjusting part is located including the cover the heat preservation dustcoat pipe of second gas-supply pipe outer wall is located just the cover is located in the heat preservation dustcoat pipe the outside spiral heating pipe of second gas-supply pipe, and locate the second gas-supply pipe inner wall just is located temperature sensor in the heat preservation dustcoat pipe. In the preferred embodiment, the temperature of the air supply component is adjusted by the temperature adjustment component, so that the air floatation component can expand rapidly.
Compared with the prior art, the invention has the beneficial effects that:
the traction mechanism can avoid damage caused by over-small bending radius when laying the submarine cable;
the submarine cable lowering component is convenient to provide traction force for submarine cables in a ship cabin so as to facilitate the submarine cables to enter water, the submarine cable pulling component is convenient to control the sedimentation of the submarine cables so as to avoid the phenomenon that the bending radius of a submarine embedding end of the submarine cables and a water entering end of the sea surface is too small due to too fast sedimentation of the submarine cables, the ratchet mechanism is convenient to move freely when the submarine cables enter water, only the submarine cables need to work when being pulled back, the submarine cables which are played back are convenient to pick up through the submarine cable picking-up component so as to prevent the sea cables from being damaged by coiling, the horizontal displacement buffering component is convenient to buffer the horizontal displacement force generated when the cable-laying ship turns so as to protect the submarine cables, the water surface ripples generated by the movement of a ship body can be prevented from influencing the submarine cables to enter water through the hard pipes, and impurities or seawater can be prevented from being brought back to the device body when the submarine cables are pulled back through the cable scraping water ring and the cable filtering dirt ring, in order to protect the device wholly, be convenient for to the air supporting part internal gas feed through the air supply part, be convenient for adjust the angle of putting the cable pipe through the air supporting part, so that the sea cable gets into the sea water with suitable income water angle, be convenient for acquire air current flow information through flow sensor, so that through time and air current flow information calculation gas volume, so that estimate buoyancy, be convenient for adjust the air supply temperature of air supply part through the tempering unit, so that the air supporting part expands fast.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is an isometric view of the overall construction of the present invention;
FIG. 2 is an isometric view of the structure of the cantilever member of the submarine cable according to the present invention;
FIG. 3 is an isometric view of the construction of the submarine cable pulling unit of the present invention;
FIG. 4 is an isometric view of the structure of the submarine cable entry device of the present invention;
FIG. 5 is a top view of the overall structure of the present invention;
FIG. 6 is a side view of the overall structure of the present invention;
FIG. 7 is a cross-sectional view of the overall construction of the present invention;
FIG. 8 is an enlarged view of the structure at A of the present invention.
Description of the drawings: 10. a base plate; 20. a submarine cable reeling and unreeling device; 21. a sea cable pull-back member; 211. a first drive motor; 212. a first speed reducer; 213. an axle tube; 214. pulling back the cable roller; 215. a ratchet wheel; 216. a locking pawl; 217. an elastic sheet; 218. a miniature drive cylinder; 219. a rope; 22. a submarine cable picking component; 221. a drive cylinder; 222. a square support frame; 223. an arc-shaped plate; 224. a pulley; 23. a sea cable lowering part; 231. a second drive motor; 232. a second speed reducer; 233. a cable laying roller; 30. a submarine cable water inlet device; 31. a square slide rail rod; 32. a horizontal displacement buffer member; 321. a sliding tube; 322. a spring; 33. laying a cable pipe; 331. a cable returning water scraping ring; 332. a cable returning sewage filtering ring; 333. a hard tube; 334. a hose; 34. an air floating component; 341. a U-shaped airbag; 342. an air pressure sensor; 343. an electrically controlled valve; 35. a gas source component; 351. a gas storage tank; 352. an air supply pump; 353. a first gas delivery pipe; 354. a second gas delivery pipe; 36. a flow rate detection section; 361. a flow sensor; 37. a temperature adjusting member; 371. a heat-insulating outer cover pipe; 372. a spiral heating pipe; 373. a temperature sensor.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1, 2, 3, 5, and 8, in a preferred embodiment of the present invention, the traction structure for reducing the damage of the laid submarine cable includes a base plate 10 disposed on a cable boat, a submarine cable reeling and unreeling device 20 disposed on the base plate 10, a submarine cable launching device 30 disposed at one end of the base plate 10, and the submarine cable reeling and unreeling device 20 includes a submarine cable pulling member 21, a submarine cable raising member 22, and a submarine cable lowering member 23 sequentially disposed on the upper surface of the base plate 10 in a direction away from the submarine cable launching device 30; submarine cable pull-back part 21 is including locating the first driving motor 211 of base plate 10 upper surface locates first driving motor 211 execution end and fixes the first speed reducer 212 on base plate 10 locates the central siphon 213 of first speed reducer 212 execution end to and one end rotate the pull-back cable roller 214 of connecting central siphon 213 inner wall, other end through bearing frame connection base plate 10 upper surface, pull-back cable roller 214 is close to the one end of central siphon 213 is equipped with ratchet 215, central siphon 213 inner wall rotates connects a plurality of holding pawl 216, central siphon 213 inner wall is equipped with the elastic sheet 217 that is used for forcing holding pawl 216 to contact ratchet 215, the central siphon 213 outer wall is equipped with miniature driving cylinder 218, miniature driving cylinder 218 execution end connects rope 219 one end, the rope 219 other end runs through central siphon 213 and connects holding pawl 216, the submarine cable is picked up part 22 and is located including linear array a plurality of driving cylinders 221 of base plate 10 upper surface, locate square support frame 222 of actuating cylinder 221 execution end locates the arc 223 of square support frame 222 inner wall top and bottom to and both ends rotate respectively and connect square support frame 222 inner wall both sides and lateral wall to run through pulley 224 of arc 223, pulley 224 is located arc 223 with between the square support frame 222 inner wall, submarine cable transfers part 23 including locating the second driving motor 231 of base plate 10 upper surface is located second driving motor 231 execution end just fixes the second speed reducer 232 on base plate 10 to and the cable roller 233 of putting of second speed reducer 232 execution end is connected to one end, the other end passes through bearing frame connecting base plate 10 upper surface.
In this embodiment, the submarine cable enters the seawater after passing through the cable-releasing roller 233, the plurality of square support frames 222, the cable-pulling roller 214, and the cable-releasing pipe 33 in sequence;
the submarine cable is wound around the cable releasing roller 233 and the cable pulling-back roller 214, when the submarine cable is released, the cable releasing roller 233 rotates anticlockwise under the action of the second driving motor 231 and the second speed reducer 232, the cable inlet end of the cable releasing roller 233 pulls out the submarine cable from the cable releasing cabin, and at the moment, the cable pulling-back roller 214 rotates anticlockwise under the driving of the submarine cable entering water due to self weight of the submarine cable so as to release the submarine cable;
during the cable returning, the braking end of the micro driving cylinder 218 descends, the rope 219 looses, at this time, the stopping claw 216 is driven by the elastic sheet 217 to fit with the outer wall of the ratchet wheel 215, the first driving motor 211 and the first speed reducer 212 are matched to drive the shaft tube 213 to rotate clockwise so as to carry out the cable returning, the extra sea cable during the cable returning is positioned between the sea cable pulling part 21 and the sea cable lowering part 23, the sea cable is conveniently controlled to be settled through the sea cable pulling, and the bending radius of the seabed embedded end of the sea cable and the water inlet end of the sea surface is prevented from being too small due to the over-fast sea cable settling;
further, it can be when the submarine cable is pulled back to jack up the submarine cable of playback to choose part 22 on the submarine cable to prevent the coiled damage of submarine cable, choose part 22 during operation on the submarine cable, actuating cylinder 221 execution end drives square support frame 222 and goes up and down, and square support frame 222 drives the submarine cable and goes up and down, and the arc that the submarine cable was convenient for to arc 223 is crooked, and the submarine cable that pulley 224 is convenient for slides in square support frame 222.
Please refer to fig. 1, 4, 5, 6, and 7, in another preferred embodiment of the present invention, the submarine cable entry device 30 includes a square slide rail 31 with two ends fixed on the upper surface of the base plate 10 via vertical plates, a horizontal displacement buffer member 32 sleeved outside the square slide rail 31, a cable releasing pipe 33 disposed on one side of the horizontal displacement buffer member 32 away from the submarine cable retracting device 20, and a plurality of air floating members 34 symmetrically disposed on the outer wall of the cable releasing pipe 33, wherein the submarine cable on the cable boat sequentially passes through the submarine cable lowering member 23, the submarine cable raising member 22, the submarine cable retracting member 21, and the cable releasing pipe 33 and enters seawater; horizontal displacement buffer unit 32 is located including the cover sliding tube 321 of square slide rail pole 31 outer wall, and the cover is located square slide rail pole 31 outer wall just is located the spring 322 of sliding tube 321 both sides, put cable pipe 33 inner wall and prolong and keep away from submarine cable winding and unwinding devices 20 direction is equipped with the cable return according to the preface and scrapes water ring 331 and cable return and strain dirty ring 332, it includes to prolong to put cable pipe 33 keep away from submarine cable winding and unwinding devices 20 direction is according to the preface set up hard tube 333 and hose 334, sliding tube 321 lateral wall passes through spherical pair structural connection hard tube 333 one end outer wall, air supporting part 34 is including locating the U-shaped gasbag 341 of cable pipe 33 lateral wall, and locate atmospheric pressure sensor in the U-shaped gasbag 341, U-shaped gasbag 341 outer wall pass through gas-supply pipe electric control valve 343 with first air bag 353 is connected.
It should be noted that, in this embodiment, the horizontal displacement buffering component 32 is convenient for buffering the horizontal displacement force generated when the cable-laying vessel turns, the spring 322 provides the sliding pipe 321 with buffering force during buffering, the hard pipe 333 can prevent the water surface ripple generated by the movement of the hull from affecting the water entering of the submarine cable, and the return cable water scraping ring 331 and the return cable dirt filtering ring 332 can prevent impurities or seawater from being brought back to the device body when the submarine cable is pulled back, so as to protect the whole device;
the air floating part 34 is convenient for adjusting the angle of the cable releasing pipe 33 so that the submarine cable enters seawater at a proper water inlet angle, when the air floating part 34 works, the corresponding electric control valve 343 is opened, the U-shaped air bag 341 is inflated to provide buoyancy, and the PLC receives pressure data of the air pressure sensor 342 and closes the electric control valve 343 when the pressure data is larger than or equal to a set value so as to protect the U-shaped air bag 341.
Please refer to fig. 1, 4, 5, and 6 again, in another preferred embodiment of the present invention, the air source component 35 is disposed on the upper surface of the base plate 10 and is used for supplying air into the air floating component 34, the air source component 35 includes an air storage tank 351 disposed on the upper surface of the base plate 10, an air supply pump 352 disposed on the top of the air storage tank 351, first air pipes 353 symmetrically disposed on the outer wall of the cable releasing pipe 33, and a second air pipe 354 having one end connected to the air storage tank 351 and the other end connected to the first air pipe 353, a flow rate detecting component 36 is disposed on the side wall of the second air pipe 354, the flow rate detecting component 36 includes a flow rate sensor 361 disposed on the outer wall of the second air pipe 354, a temperature regulating component 37 is disposed on the side wall of the second air pipe 354, the temperature regulating component 37 includes a heat preservation outer cover pipe disposed on the outer wall of the second air pipe 354, locate in the heat preservation outer cover pipe 371 and the cover is located the outside spiral heating pipe 372 of second gas-supply pipe 354, and locate the second gas-supply pipe 354 inner wall just is located the temperature sensor 373 in the heat preservation outer cover pipe 371.
It should be noted that, in this embodiment, during air supply, the air supply pump 352 inputs air into the air storage tank 351, the air in the air storage tank 351 can enter the air floating component 34 through the second air pipe 354 and the first air pipe 353, and the PLC controller receives the flow information of the flow sensor 361, and closes the valve of the air storage tank 351 when the product of the flow information and time reaches a set value, so as to complete the input of the set amount of air;
further, when adjusting the temperature, the PLC controller receives the temperature information of the temperature sensor 373 and triggers the spiral heating pipe 372 until the temperature information reaches a set value.
The specific process of the invention is as follows:
the model number of the PLC controller is 6ES7216-2AD23-0XB8, the model number of the air pressure sensor 342 is MAT316, the model number of the flow sensor 361 is LWGY-FMT, and the model number of the temperature sensor 373 is DS18B 20.
The submarine cable enters the seawater after passing through the cable releasing roller 233, the plurality of square supporting frames 222, the pull-back cable roller 214 and the cable releasing pipe 33 in sequence;
the submarine cable is wound around the cable releasing roller 233 and the cable pulling-back roller 214, when the submarine cable is released, the cable releasing roller 233 rotates anticlockwise under the action of the second driving motor 231 and the second speed reducer 232, the cable inlet end of the cable releasing roller 233 pulls out the submarine cable from the cable releasing cabin, and at the moment, the cable pulling-back roller 214 rotates anticlockwise under the driving of the submarine cable entering water due to self weight of the submarine cable so as to release the submarine cable;
during the cable returning, the braking end of the micro driving cylinder 218 descends, the rope 219 looses, at this time, the stopping claw 216 is driven by the elastic sheet 217 to fit with the outer wall of the ratchet wheel 215, the first driving motor 211 and the first speed reducer 212 are matched to drive the shaft tube 213 to rotate clockwise so as to carry out the cable returning, the extra sea cable during the cable returning is positioned between the sea cable pulling part 21 and the sea cable lowering part 23, the sea cable is conveniently controlled to be settled through the sea cable pulling, and the bending radius of the seabed embedded end of the sea cable and the water inlet end of the sea surface is prevented from being too small due to the over-fast sea cable settling;
the submarine cable picking-up component 22 can pick up a replayed submarine cable when the submarine cable is pulled back so as to prevent the coiled damage of the submarine cable, when the submarine cable picking-up component 22 works, the execution end of the driving cylinder 221 drives the square support frame 222 to lift, the square support frame 222 drives the submarine cable to lift, the arc-shaped plate 223 facilitates the arc-shaped bending of the submarine cable, and the pulley 224 facilitates the submarine cable to slide in the square support frame 222;
the horizontal displacement buffer part 32 is convenient for buffering the horizontal displacement force generated when the cable laying ship turns, the spring 322 provides the buffer force for the sliding pipe 321 during buffering, the hard pipe 333 can prevent the water surface ripple generated by the movement of the ship body from influencing the water entering of the submarine cable, and the return cable water scraping ring 331 and the return cable dirt filtering ring 332 can prevent impurities or seawater from being brought back to the device body when the submarine cable is pulled back, so that the whole device is protected;
the air floating component 34 is convenient for adjusting the angle of the cable releasing pipe 33 so that a submarine cable enters seawater at a proper water inlet angle, when the air floating component 34 works, the corresponding electric control valve 343 is opened, the U-shaped air bag 341 is inflated to provide buoyancy, the PLC receives pressure data of the air pressure sensor 342, and the electric control valve 343 is closed when the pressure data is larger than or equal to a set value so as to protect the U-shaped air bag 341;
when air is supplied, the air supply pump 352 inputs air into the air storage tank 351, the air in the air storage tank 351 can enter the air floating component 34 through the second air pipe 354 and the first air pipe 353, and the PLC receives flow information of the flow sensor 361 and closes a valve of the air storage tank 351 when the product of the flow information and time reaches a set value so as to finish the input of a set amount of air;
when the temperature is adjusted, the PLC controller receives the temperature information of the temperature sensor 373 and triggers the spiral heating pipe 372 until the temperature information reaches a set value.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. The traction structure for relieving damage to laid submarine cables comprises a base plate (10) arranged on a cable ship, and is characterized in that a submarine cable winding and unwinding device (20) is arranged on the base plate (10), a submarine cable water-entering device (30) is arranged at one end of the base plate (10), and the submarine cable winding and unwinding device (20) comprises a submarine cable pull-back component (21), a submarine cable upper-picking component (22) and a submarine cable lowering component (23) which are sequentially arranged on the upper surface of the base plate (10) in the direction away from the submarine cable water-entering device (30);
the submarine cable water inlet device (30) comprises a square sliding rail rod (31) with two ends fixed on the upper surface of a base plate (10) through vertical plates, a horizontal displacement buffer component (32) sleeved outside the square sliding rail rod (31), a cable releasing pipe (33) arranged on one side, away from the submarine cable winding and unwinding device (20), of the horizontal displacement buffer component (32), a plurality of air floating components (34) symmetrically arranged on the outer wall of the cable releasing pipe (33), and an air source component (35) arranged on the upper surface of the base plate (10) and used for supplying air to the air floating components (34);
the submarine cable on the cable ship enters seawater after sequentially passing through a submarine cable lowering component (23), a submarine cable raising component (22), a submarine cable pulling component (21) and a cable releasing pipe (33).
2. The towing structure for alleviating damage of laying submarine cables according to claim 1, wherein the submarine cable pulling member (21) comprises a first driving motor (211) disposed on the upper surface of the base plate (10), a first speed reducer (212) disposed at the executing end of the first driving motor (211) and fixed on the base plate (10), a shaft tube (213) disposed at the executing end of the first speed reducer (212), and a pulling cable roller (214) having one end rotatably connected to the inner wall of the shaft tube (213) and the other end connected to the upper surface of the base plate (10) through a bearing seat, one end of the pulling cable roller (214) near the shaft tube (213) is provided with a ratchet wheel (215), the inner wall of the shaft tube (213) is rotatably connected with a plurality of stopping claws (216), the inner wall of the shaft tube (213) is provided with an elastic sheet (217) for forcing the stopping claws (216) to contact the ratchet wheel (215), the outer wall of the shaft tube (213) is provided with a miniature driving cylinder (218), the execution end of the miniature driving cylinder (218) is connected with one end of a rope (219), and the other end of the rope (219) penetrates through the shaft tube (213) to be connected with a stopping claw (216).
3. The structure of claim 1, characterized in that the submarine cable laying damage relieving traction structure comprises a plurality of driving cylinders (221) arranged on the upper surface of the base plate (10) in a linear array, a square support frame (222) arranged at the executing end of the driving cylinders (221), arc plates (223) arranged at the top and the bottom of the inner wall of the square support frame (222), and pulleys (224) with two ends respectively connected with two sides of the inner wall of the square support frame (222) in a rotating manner and the side walls penetrating through the arc plates (223), wherein the pulleys (224) are arranged between the arc plates (223) and the inner wall of the square support frame (222).
4. The towing structure for reducing the damage of laying the submarine cable according to claim 1, wherein the submarine cable lowering component (23) comprises a second driving motor (231) disposed on the upper surface of the base plate (10), a second speed reducer (232) disposed at an execution end of the second driving motor (231) and fixed on the base plate (10), and a cable laying roller (233) having one end connected to the execution end of the second speed reducer (232) and the other end connected to the upper surface of the base plate (10) through a bearing seat.
5. The pulling structure for alleviating the laying damage of the submarine cable according to claim 1, wherein the horizontal displacement buffer member (32) comprises a sliding tube (321) sleeved on the outer wall of the square sliding rail rod (31), and springs (322) sleeved on the outer wall of the square sliding rail rod (31) and located at two sides of the sliding tube (321).
6. The traction structure for relieving the laying damage of the submarine cable according to claim 5, wherein a cable return water scraping ring (331) and a cable return dirt filtering ring (332) are sequentially arranged on the inner wall of the cable releasing pipe (33) and in the direction away from the submarine cable releasing device (20), the cable releasing pipe (33) comprises a hard pipe (333) and a soft pipe (334) which are sequentially arranged in the direction away from the submarine cable releasing device (20), and the side wall of the sliding pipe (321) is connected with the outer wall of one end of the hard pipe (333) through a spherical pair structure.
7. The traction structure for reducing the damage of the laid submarine cable according to claim 1, wherein the air source component (35) comprises an air storage tank (351) arranged on the upper surface of the base plate (10), an air supply pump (352) arranged on the top of the air storage tank (351), first air pipes (353) symmetrically arranged on the outer wall of the cable laying pipe (33), and second air pipes (354) with one end connected with the air storage tank (351) and the other end connected with the first air pipes (353).
8. The towing structure for reducing the laying damage of the submarine cable according to claim 7, wherein the air floating component (34) comprises a U-shaped air bag (341) arranged on the side wall of the cable laying pipe (33), and an air pressure sensor (342) arranged in the U-shaped air bag (341), and the outer wall of the U-shaped air bag (341) is connected with the first air delivery pipe (353) through an electric control valve (343).
9. The towing structure for reducing the laying damage of the submarine cable according to claim 7, wherein the side wall of the second air pipe (354) is provided with a flow rate detection component (36), and the flow rate detection component (36) comprises a flow rate sensor (361) arranged on the outer wall of the second air pipe (354).
10. The traction structure for slowing down the laying damage of the submarine cable according to claim 7, wherein a temperature adjusting part (37) is sleeved on the side wall of the second air pipe (354), the temperature adjusting part (37) comprises a heat-insulating outer cover pipe (371) sleeved on the outer wall of the second air pipe (354), a spiral heating pipe (372) arranged in the heat-insulating outer cover pipe (371) and sleeved on the outer portion of the second air pipe (354), and a temperature sensor (373) arranged on the inner wall of the second air pipe (354) and located in the heat-insulating outer cover pipe (371).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111431506.4A CN114132795A (en) | 2021-11-29 | 2021-11-29 | Traction structure for relieving damage of laid submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111431506.4A CN114132795A (en) | 2021-11-29 | 2021-11-29 | Traction structure for relieving damage of laid submarine cable |
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| Publication Number | Publication Date |
|---|---|
| CN114132795A true CN114132795A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111431506.4A Pending CN114132795A (en) | 2021-11-29 | 2021-11-29 | Traction structure for relieving damage of laid submarine cable |
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| Country | Link |
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| CN (1) | CN114132795A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117526174A (en) * | 2024-01-04 | 2024-02-06 | 江苏通光海洋光电科技有限公司 | Floating belt installation device for laying optical fiber composite submarine cable |
| CN117819299A (en) * | 2024-03-05 | 2024-04-05 | 山西继禹工程机械有限公司 | Cable arranging device and pull-stop detection method thereof |
-
2021
- 2021-11-29 CN CN202111431506.4A patent/CN114132795A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117526174A (en) * | 2024-01-04 | 2024-02-06 | 江苏通光海洋光电科技有限公司 | Floating belt installation device for laying optical fiber composite submarine cable |
| CN117526174B (en) * | 2024-01-04 | 2024-03-19 | 江苏通光海洋光电科技有限公司 | Floating belt installation device for laying optical fiber composite submarine cable |
| CN117819299A (en) * | 2024-03-05 | 2024-04-05 | 山西继禹工程机械有限公司 | Cable arranging device and pull-stop detection method thereof |
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