CN112758255A - Device and method for recycling and arranging water body profile observation system - Google Patents
Device and method for recycling and arranging water body profile observation system Download PDFInfo
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- CN112758255A CN112758255A CN202110116965.7A CN202110116965A CN112758255A CN 112758255 A CN112758255 A CN 112758255A CN 202110116965 A CN202110116965 A CN 202110116965A CN 112758255 A CN112758255 A CN 112758255A
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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
- B63B22/00—Buoys
- B63B22/04—Fixations or other anchoring arrangements
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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
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/08—Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
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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
- B63B22/00—Buoys
- B63B2022/006—Buoys specially adapted for measuring or watch purposes
Abstract
The invention relates to a recovery and distribution device of a water body section observation system, which comprises a tail cable, a tension cable, a fixing piece and an operation ship, wherein the tail cable is arranged on the tail cable; a winch is arranged on the operation ship and used for retracting and releasing the tension cable; the tail cable head is tied on the deck of the buoy body, and the tail cable shackle is buckled on the plastic-coated steel cable and is positioned at the upper end of the plastic-coated steel cable and below the electric swivel and the communicator; the tension cable and the plastic-coated steel cable are arranged in parallel and fixed through a fixing piece; the tension cable head is tied on the upper part of the plastic-coated steel cable and is positioned below the tail cable shackle, the length of the tension cable head is redundant, and the redundant length is not less than the distance from the fixed water depth position to the winch; the pull cable shackle is connected with the first connecting piece. The invention can well protect the plastic coated steel cable and the water body section observation equipment by the operation mode of combining the tail cable and the tension cable, can realize labor saving and convenience of field operation, has strong safety and reliability and extremely strong popularization value.
Description
Technical Field
The invention relates to the technical field of ocean observation, in particular to a device and a method for recovering and distributing a water body profile observation system.
Background
With the international concern on the ocean and the deep development of the transparent ocean plan in China, the acquisition technology of ocean water section observation data obtains unprecedented concern and development, wherein the application of technologies such as an inductive coupling vertical section observation technology, a mounted self-contained observation sensor and the like is more and more extensive, the two observation technologies are based on a buoy body, a plastic-coated steel cable, a section observation device mounted on the plastic-coated steel cable, an anchor system and the like to carry out observation work, and the mounted section observation device is powered by a battery, so after a certain period, the battery needs to be recovered to be replaced to supplement electric energy, and periodic work such as extraction of original data, cleaning of marine organisms attached to the device, calibration of the device, replacement of damaged devices and the like needs to be carried out.
At present, the commonly used recovery and distribution methods are carried out based on large ships, most of the methods need cooperation of divers, the divers dive to the root of a plastic coated steel cable to tie a lifting rope at a stress point, then the underwater whole set of system is lifted and recovered by a shipborne lifting machine or recovered by a large amount of manpower lifting, and the practical situations of high operation cost and high risk coefficient are achieved.
For example, chinese patent CN111498018A discloses a method for laying underwater inductive coupling transmission equipment, which directly draws a plastic-covered steel cable through a winch, and has the following obvious defects: 1) if the force is too large, the friction between the winch and the plastic-coated steel cable is serious, which easily causes the damage of the plastic sheath of the plastic-coated steel cable, and if any damage occurs to the plastic sheath of the plastic-coated steel cable, the lower inductive coupling transmission equipment faces the serious consequence of data transmission failure; however, if the force is too small, the plastic-coated steel cable is easy to slip; 2) a plurality of section observation devices are fixed on the plastic-coated steel cable, and the condition of inaccurate observation data caused by collision of the devices is difficult to avoid by directly pulling the plastic-coated steel cable; 3) the method involves multiple winches and two rollers, and needs to pay attention to a certain gap between the buoy body and the ship body all the time, at least 3-4 persons are needed to work cooperatively during offshore operation, and the requirement on labor cost is high; 4) the process of lifting the wire rope up to be fixed to the winch in this method requires a diver to perform a launch operation, increasing the operation cost and risk.
Disclosure of Invention
The invention aims to solve the technical problem that the defects of the prior art are overcome, and provides a device and a method for recovering and laying a water body section observation system, which can not only save high cost generated by renting large ships or divers and save labor cost, but also can well protect plastic-coated steel cables and water body section observation equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a recovery and distribution device of a water body section observation system is used for recovering and distributing the water body section observation system, and the water body section observation system comprises a buoy body, an electric swivel, a communicator, a plastic-coated steel cable, a first connecting piece, a steel wire rope, a second connecting piece, an anchor chain and a plurality of water body section observation devices, wherein the buoy body, the electric swivel and the communicator are sequentially connected from top to bottom;
the recovery and distribution device comprises a tail cable, a tension cable, a fixing piece and an operation ship;
a winch is arranged on the operation ship and used for retracting the tension cable;
the tail cable is provided with a tail cable rope head at the upper end and a tail cable shackle at the lower end, the tail cable rope head is tied on the deck of the buoy body, and the tail cable shackle is buckled on the plastic-coated steel cable and is positioned at the upper end of the plastic-coated steel cable and below the electric swivel and the communicator;
the tension cable and the plastic-coated steel cable are arranged in parallel and are fixed through the fixing piece; the upper end of the tension cable is provided with a tension cable rope head, the lower end of the tension cable is provided with a tension cable shackle, the tension cable rope head is bound on the upper part of the plastic-coated steel cable and is positioned below the tail cable shackle, the length of the tension cable rope head is redundant, and the redundant length is not less than the distance from a fixed water depth position to the winch; the pull cable shackle is connected with the first connecting piece.
In the above scheme, the first connecting piece comprises an upper shackle, a swivel and a lower shackle, and the upper shackle and the lower shackle are respectively connected to the upper end and the lower end of the swivel; the lower ends of the plastic-coated steel cable and the tension cable are respectively connected with the upper shackle; the upper end of the steel wire rope is connected with the lower shackle.
In the above-mentioned scheme, the tail cable inner wall of breaking out is smooth, the plastic-coated steel cable can be in tail cable break out free rotation, and tail cable break out and electric swivel simultaneously with angular velocity free rotation and can not take place to twist when the buoy receives external force to take place the rotation.
In the above scheme, the mounting adopts the elasticity material, includes two bayonets, is tensile force cable bayonet socket and package respectively and moulds the steel cable bayonet socket, is used for the card respectively and fixes tensile force cable and package mould the steel cable, and every bayonet socket end all has the gap, the gap is all littleer than tensile force cable and package mould the steel cable diameter, through the gap is moulded tensile force cable and package and is fixed in the bayonet socket.
In the scheme, the side of the bayonet of the plastic-coated steel cable is provided with a through tie hole for inserting a tie to tighten and fix the fixing piece on the plastic-coated steel cable; and the pull cable can be separated from the bayonet limit of the pull cable by manpower.
In the scheme, the fixing pieces are arranged in a plurality of lengths along the tension cable and the plastic-coated steel cable, and the distance between every two adjacent fixing pieces is not more than a meter.
In the above scheme, the winch is a hand winch or an electric winch; the operation boat is a small fishing boat or a small speedboat.
Correspondingly, the invention also provides a recovery method of the recovery and distribution device of the water body section observation system, which comprises the following steps:
s1.1, unwinding a tail cable rope head of a tail cable, and pulling the tail cable to lift a pulling cable rope head of a pulling cable out of the water surface;
s1.2, unwinding a tension cable head, coiling the tension cable head on a winch of the operation ship, and recovering the tension cable through the winch, wherein the tension cable is automatically separated from the fixing piece due to stress in the process of being pulled up, and is continuously recovered and pulled up through the winch until the first connecting piece is exposed out of the water surface;
s1.3, fixing the upper end of the steel wire rope on the side of a ship, lifting the plastic-coated steel wire rope and the water body profile observation equipment to a deck of the ship, and completing recovery operation.
In the method, in the recovery process, the buoy body is always tightly moored on the side or the stern of the working ship, so that the recovery operation is not influenced.
Correspondingly, the invention also provides a method for recovering and arranging the device of the water body section observation system, which comprises the following steps:
s2.1, buckling the tension cable on a first connecting piece, laying the tension cable and the plastic-coated steel cable in parallel, installing fixing pieces according to a certain distance, and then binding the tension cable head on the upper end of the plastic-coated steel cable; buckling a tail cable shackle at the upper end of a plastic-coated steel cable, and binding the tail cable head on the buoy body between the tension cable head and the electric swivel and the communicator;
and S2.2, after the connection of all the structures is finished, throwing the water body section observation equipment, the plastic-coated steel cable and the tension cable on the operation ship into the sea together, and then disconnecting the upper end of the steel cable from the side of the operation ship to finish the laying.
The invention has the beneficial effects that:
1. the invention constructs a recovery and distribution device of a water body section observation system by combining the additional tail cable and the tension cable, has simple structure, convenient installation and low cost, can realize single-person operation on a small fishing boat or a small speedboat, greatly saves high cost generated by renting a large boat or a diver, saves labor cost and improves the operation safety of working personnel of the sea technique.
2. The recovery and distribution method can well protect the plastic-coated steel cable and the water body section observation equipment through the operation mode of combining the tail cable and the tension cable, can realize labor saving and convenience of field operation, and has strong safety and reliability and strong popularization value.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of a water body section observation system;
FIG. 2 is a schematic view of the installation of the retrieval and deployment apparatus of the present invention;
FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the installation of the securing members of the retrieval and deployment apparatus of the present invention;
FIG. 5 is a schematic view of the construction of the fastening member of the retrieval and deployment device of the present invention;
figure 6 is a cross-sectional schematic view of the fixing shown in figure 5;
FIG. 7 is a schematic view of the recovery of a water body profile observation system;
fig. 8 is a schematic view of recovery and maintenance of a water body profile observation system.
In the figure: 100. a water body profile observation system; 10. a float body; 20. an electrical swivel and a communicator; 30. a plastic-coated steel cable; 40. a first connecting member; 41. screwing on and unscrewing; 42. rotating the ring; 43. taking out the shackle; 50. a wire rope; 60. a second connecting member; 70. an anchor chain; 80. a weight block; 90. water body profile observation equipment;
210. a tail cable; 211. a tail cable head; 212. shackle of tail cable; 220. a tension cable; 221. a tension cable head; 222. the pull cable is broken off; 230. a fixing member; 231. a tension cable bayonet; 232. a plastic-coated steel cable bayonet; 233. a hole is tied; 240. an operation boat; 241. a winch.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the water body profile observation system 100 commonly used in the field of ocean observation at present comprises a buoy body 10, an electric swivel and communicator 20, a plastic-coated steel cable 30, a first connecting piece 40, a steel wire rope 50, a second connecting piece 60, an anchor chain 70, a weight 80, and a plurality of water body profile observation devices 90 mounted on the plastic-coated steel cable 30, which are sequentially connected from top to bottom. Wherein the buoy body 10 provides a buoyancy and communication platform for the entire system. The electrical swivel and communicator 20 serves two functions: firstly, the buoy plays a role of a swivel, when the buoy rotates under external force, the electric swivel plays a role of releasing torque, and secondly, inductively coupled observation data received by the communicator is transmitted to the buoy body 10 in a wired mode. The length of the plastic-coated steel cable 30 is not larger than the water depth, and the plastic-coated steel cable 30 is in contact with the seawater up and down to form an effective electromagnetic loop to realize the data transmission function of the inductive coupling technology. The length of the steel wire rope 50 is not less than the water depth and the allowance is increased as much as possible, and the steel wire rope 50 is more portable when the plastic-coated steel wire rope 30 and the water body section observation equipment 90 are recovered, and is more convenient to recover compared with the anchor chain 70. As shown in fig. 3, the first connecting member 40 includes an upper shackle 41, a swivel 42 and a lower shackle 43, the upper shackle 41 and the lower shackle 43 are U-shaped shackles respectively connected to the upper end and the lower end of the swivel 42, the first connecting member 40 is used for connecting the plastic-coated steel cable 30 and the steel cable 50, specifically, the lower end of the plastic-coated steel cable 30 is connected to the upper shackle 41, and the upper end of the steel cable 50 is connected to the lower shackle 43. The second connecting member 60 has the same structure and connection manner as the first connecting member 40, and is used to connect the wire rope 50 and the anchor chain 70. The water body profile observation device 90 may be a CTD (Conductivity, Temperature, Depth of salt Temperature measurement system) or a self-contained CTD including an inductive coupling communication module, and the water body profile observation device 90 is responsible for observing data of a water body profile in real time, is mounted on the plastic-coated steel cable 30, and is distributed at a certain distance from top to bottom. The invention relates to a recovery and distribution device and a method designed based on the structural water body profile observation system 100.
As shown in fig. 2, the retrieving and deploying device for a water body profile observation system according to an embodiment of the present invention includes a tail cable 210, a tension cable 220, a fixing member 230, and a working vessel 240. The tail cable 210 is provided with a tail cable head 211 at the upper end and a tail cable shackle 212 at the lower end, the tail cable head 211 is tied on a bracket leg on the deck of the buoy body 10, and the tail cable shackle 212 is fastened on the plastic-coated steel cable 30 and is positioned at the upper end of the plastic-coated steel cable 30 and below the electric swivel and the communicator 20. The plastic coated steel cable 30 can rotate freely in the tail cable shackle 212, the inner wall of the tail cable shackle 212 is smooth and does not damage the plastic outer skin of the plastic coated steel cable 30, and the tail cable shackle 212 and the electric swivel rotate freely at the same angular speed and can not be twisted when the buoy rotates under the action of external force.
The upper end of the tension cable 220 is provided with a tension cable head 221, the lower end of the tension cable is provided with a tension cable shackle 222, the tension cable head 221 is tied on the upper part of the plastic coated steel cable 30 and is positioned below the tail cable shackle 212, the length of the tension cable head 221 has redundancy, and the redundancy length is not less than the distance from a fixed water depth position to the winch 241; the tension cable shackle 222 is coupled to the upper shackle 41 of the first connecting member 40. The tension cable 220 is arranged in parallel with the plastic-coated steel cable 30 and fixed by a fixing member 230.
A winch 241 is provided on the working vessel 240 for winding and unwinding the tension cable 220. The winch 241 is a hand winch or an electric winch. The work vessel 240 is a small fishing vessel or a small yacht.
As shown in fig. 4-6, the fixing member 230 is made of rubber and has a certain elasticity. The fixing member 230 includes two bayonets, is tensile cable bayonet 231 and plastic-coated steel cable bayonet 232 respectively, is used for the solid tensile cable 220 of card and plastic-coated steel cable 30 respectively, and every bayonet end all has the gap, and the gap is all little than tensile cable 220 and plastic-coated steel cable 30 diameter, fixes tensile cable 220 and plastic-coated steel cable 30 in the bayonet through the gap. A penetrating arc-shaped tying hole 233 is arranged on the side of the plastic-coated steel cable bayonet 232 and is used for inserting a tying belt to tighten and fix the fixing piece 230 on the plastic-coated steel cable 30; and the tension cable 220 can be released from the tension cable bayonet 231 for limitation with a little large force.
The method for recovering and deploying the device for observing the water body section as shown in fig. 7 comprises the following steps:
s1.1, unwinding a tail cable head 211 of a tail cable 210, and pulling the tail cable 210 to lift a tension cable head 221 of a tension cable 220 out of the water surface;
s1.2, unwinding a tension cable head 221, coiling the tension cable head 221 on a winch 241 of an operation ship 240, recovering the tension cable 220 through the winch 241, automatically separating the tension cable 220 from a tension cable bayonet 231 of a fixing piece 230 due to stress in the process of pulling up the tension cable 220, and continuously recovering and pulling up the tension cable through the winch 241 until the first connecting piece 40 is exposed out of the water surface;
s1.3, fixing the upper end of the steel wire rope 50 on the side of the working ship 240, lifting the plastic-coated steel wire rope 30 and the water body section observation equipment 90 to the deck of the working ship 240, and completing the recovery operation. Because the weight of the single profile observation device 90 is light, the single device can be easily lifted to the deck of the working ship 240 by manpower in the recovery process, and most importantly, the profile observation device 90 can be fully ensured not to be collided by a mode of slowly recovering by manpower.
The buoy body 10 is tightly moored to the side or stern of the working vessel 240 all the time during the recovery process, so that the recovery operation is not affected. As shown in fig. 8, after the plastic-coated steel cable 30 and the water body profile observation device 90 are lifted to the work vessel 240, the operations of battery replacement, raw data extraction, device calibration, damaged device and component replacement, resetting, and the like of the water body profile observation device 90 are performed.
After the shipboard maintenance work shown in fig. 8 is finished, the water body profile observation system 100 is again deployed, and the deployment method includes the following steps:
s2.1, buckling a pull cable shackle 222 onto an upper shackle 41 of a first connecting piece 40, laying a pull cable 220 and a plastic-coated steel cable 30 in parallel, installing fixing pieces 230 at a certain interval, wherein the interval is not more than 1 m, penetrating the plastic-coated steel cable 30 through a plastic-coated steel cable bayonet 232 of the fixing pieces 230, penetrating a binding belt through a binding belt hole 233 for fastening, penetrating the pull cable 220 through a pull cable bayonet 231 of the fixing pieces 230, and then binding a pull cable head 221 to the upper end of the plastic-coated steel cable 30; the tail cable shackle 212 is buckled at the upper end of the plastic coated steel cable 30 and positioned between the tension cable head 221 and the electric swivel and the communicator 20, and the tail cable head 211 is tied to the deck upper bracket of the buoy body 10;
s2.2, after all the structures are connected, slowly putting the water body section observation equipment 90, the plastic-coated steel cable 30 and the pull cable 220 on the operation ship 240 into the sea together, and then disconnecting the upper end of the steel cable 50 from the side of the operation ship 240 to finish the laying.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A recovery and distribution device of a water body section observation system is used for recovering and distributing the water body section observation system, and the water body section observation system comprises a buoy body (10), an electric swivel and a communicator (20), a plastic-coated steel cable (30), a first connecting piece (40), a steel cable (50), a second connecting piece (60), an anchor chain (70) and a plurality of water body section observation equipment (90) hung on the plastic-coated steel cable (30), wherein the buoy body, the electric swivel and the communicator (20) are sequentially connected from top to bottom; it is characterized in that the preparation method is characterized in that,
the recovery and distribution device comprises a tail cable (210), a tension cable (220), a fixing piece (230) and a working ship (240);
a winch (241) is arranged on the working ship (240) and used for retracting the tension cable (220);
the upper end of the tail cable (210) is provided with a tail cable rope head (211), the lower end of the tail cable rope head (211) is provided with a tail cable shackle (212), the tail cable rope head (211) is tied on a deck of the buoy body (10), and the tail cable shackle (212) is buckled on the plastic-coated steel cable (30) and is positioned at the upper end of the plastic-coated steel cable (30) and below the electric swivel and the communicator (20);
the tension cable (220) and the plastic-coated steel cable (30) are arranged in parallel and fixed through the fixing piece (230); the upper end of the tension cable (220) is provided with a tension cable head (221), the lower end of the tension cable (220) is provided with a tension cable shackle (222), the tension cable head (221) is tied on the upper part of the plastic coated steel cable (30) and is positioned below the tail cable shackle (212), the length of the tension cable head (221) has redundancy, and the redundancy length is not less than the distance from a fixed water depth position to the winch (241); the pull cable shackle (222) is connected to the first connector (40).
2. The device for retrieving and deploying a water body profile observing system according to claim 1, wherein the first connecting member (40) comprises an upper shackle (41), a swivel (42) and a lower shackle (43), the upper shackle (41) and the lower shackle (43) being connected to the upper end and the lower end of the swivel (42), respectively; the lower ends of the plastic-coated steel cable (30) and the tension cable (220) are respectively connected with the upper shackle (41); the upper end of the steel wire rope (50) is connected with the lower shackle (43).
3. The device for retrieving and deploying a water body profile observing system according to claim 1, wherein the inner wall of the tail cable shackle (212) is smooth, the plastic coated steel cable (30) can rotate freely in the tail cable shackle (212), and when the buoy rotates under an external force, the tail cable shackle (212) and the electric swivel rotate freely at the same angular speed without twisting.
4. The device for recovering and distributing the water body profile observation system according to claim 1, wherein the fixing member (230) is made of an elastic material and comprises two bayonets, namely a tension cable bayonet (231) and a plastic-coated steel cable bayonet (232), which are used for clamping and fixing the tension cable (220) and the plastic-coated steel cable (30), respectively, and a gap is formed at the tail end of each bayonet, the gap is smaller than the diameters of the tension cable (220) and the plastic-coated steel cable (30), and the tension cable (220) and the plastic-coated steel cable (30) are fixed in the bayonets through the gaps.
5. The device for recovering and distributing the water body section observation system according to claim 4, wherein a through tie-hole (233) is arranged on the side of the plastic-coated steel cable bayonet (232) and used for inserting a tie so as to tighten and fix the fixing piece (230) on the plastic-coated steel cable (30); the tension cable (220) can be released from the tension cable bayonet (231) for limitation by manpower.
6. The device for recovering and distributing the water body profile observation system according to claim 1, wherein a plurality of the fixing pieces (230) are arranged along the length direction of the tension cable (220) and the plastic-coated steel cable (30), and the distance between two adjacent fixing pieces (230) is not more than 1 meter.
7. The device for retrieving and deploying the water body profile observing system according to claim 1, wherein the winch (241) is a hand winch or an electric winch; the operation boat (240) is a small fishing boat or a small speedboat.
8. The method for recovering and deploying the device for observing the water body profile according to claim 1, comprising the following steps:
s1.1, unwinding a tail cable rope head (211) of a tail cable (210), and pulling the tail cable (210) to lift a tension cable rope head (221) of a tension cable (220) out of the water surface;
s1.2, unwinding a tension cable head (221), coiling the tension cable head (221) on a winch (241) of a working ship (240), recovering the tension cable (220) through the winch (241), automatically separating the tension cable (220) from a fixing piece (230) due to stress in the process of pulling up the tension cable, and continuously recovering and pulling up the tension cable (220) through the winch (241) until a first connecting piece (40) is exposed out of the water surface;
s1.3, fixing the upper end of the steel wire rope (50) on the side of a working ship (240), lifting the plastic-coated steel wire rope (30) and the water body section observation equipment (90) to the deck of the working ship (240), and completing the recovery operation.
9. The method for recovering the device for observing water section according to claim 8, wherein the buoy body (10) is tightly moored at the side or stern of the working vessel (240) at all times during the recovery process, so that the recovery process is not affected.
10. The method for deploying and retrieving the device for observing the water body section according to claim 1, comprising the following steps:
s2.1, buckling a tension cable shackle (222) onto a first connecting piece (40), laying apart a tension cable (220) and a plastic-coated steel cable (30) in parallel, installing fixing pieces (230) at certain intervals, and then binding a tension cable rope head (221) at the upper end of the plastic-coated steel cable (30); buckling a tail cable shackle (212) at the upper end of a plastic coated steel cable (30), and binding a tail cable head (211) on the buoy body (10) between a tension cable head (221) and an electric swivel and a communicator (20);
s2.2, after all the structures are connected, throwing the water body section observation equipment (90), the plastic-coated steel cable (30) and the pull cable (220) on the operation ship (240) into the sea together, and then disconnecting the upper end of the steel cable (50) from the shipboard side of the operation ship (240) to finish laying.
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| CN202110116965.7A CN112758255A (en) | 2021-01-28 | 2021-01-28 | Device and method for recycling and arranging water body profile observation system |
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| CN202110116965.7A CN112758255A (en) | 2021-01-28 | 2021-01-28 | Device and method for recycling and arranging water body profile observation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113911290A (en) * | 2021-11-12 | 2022-01-11 | 中国科学院海洋研究所 | Fishing device and method for floating-loss type seabed base observation system |
| CN114084283A (en) * | 2021-12-02 | 2022-02-25 | 中国船舶科学研究中心 | Dragging point conversion structure and dragging point conversion method using same |
| CN114152901A (en) * | 2021-11-18 | 2022-03-08 | 青岛海洋地质研究所 | Near-seabed magnetic gradient measuring device |
| CN114313109A (en) * | 2022-01-07 | 2022-04-12 | 自然资源部第一海洋研究所 | But quick assembly disassembly's anchorage equipment parallel connection ware |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113911290A (en) * | 2021-11-12 | 2022-01-11 | 中国科学院海洋研究所 | Fishing device and method for floating-loss type seabed base observation system |
| CN113911290B (en) * | 2021-11-12 | 2023-05-02 | 中国科学院海洋研究所 | Fishing device and method for bottom-sitting seabed-based observation system after floating loss |
| CN114152901A (en) * | 2021-11-18 | 2022-03-08 | 青岛海洋地质研究所 | Near-seabed magnetic gradient measuring device |
| CN114084283A (en) * | 2021-12-02 | 2022-02-25 | 中国船舶科学研究中心 | Dragging point conversion structure and dragging point conversion method using same |
| CN114084283B (en) * | 2021-12-02 | 2023-02-28 | 中国船舶科学研究中心 | Dragging point conversion structure and dragging point conversion method using same |
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