CN113911290A - Fishing device and method for floating-loss type seabed base observation system - Google Patents
Fishing device and method for floating-loss type seabed base observation system Download PDFInfo
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- CN113911290A CN113911290A CN202111340027.1A CN202111340027A CN113911290A CN 113911290 A CN113911290 A CN 113911290A CN 202111340027 A CN202111340027 A CN 202111340027A CN 113911290 A CN113911290 A CN 113911290A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
- B63C7/02—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which the lifting is done by hauling
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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
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- Ocean & Marine Engineering (AREA)
- Mechanical Means For Catching Fish (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention relates to a fishing device used after a bottom-sitting type seabed-based observation system loses buoyancy, which comprises an operation fishing boat, a main towing cable, branch towing cables, a towing rod device and a towing hook device, wherein the main towing cable is connected with the operation fishing boat; the towing rod device comprises a towing rod and towing adjusting devices distributed along the length direction of the towing rod, the towing adjusting devices are integrally and rotatably arranged on one side of the towing rod and can rotate 90 degrees upwards or downwards around the axis of the towing rod, and the towing adjusting devices comprise a fender A and a fender B which are arranged vertically; the towing hook device is arranged on the other side of the towing rod, and the diameter of the towing hook device is not larger than the aperture of the flow guide hole on the sitting-type seabed-based observation system; the number of the branch towing cables is equal to that of the towing adjusting devices, the branch towing cables are connected with the towing adjusting devices in a one-to-one correspondence mode, the lower ends of the branch towing cables are connected with one towing adjusting device, the upper ends of the branch towing cables are connected with the lower end of the main towing cable, and the upper end of the main towing cable is connected with the operation fishing boat. The invention aims at the underwater seabed observation system which loses the self-floating capability to carry out artificial salvage and recovery, and has high success rate, low cost and simple operation.
Description
Technical Field
The invention relates to the technical field of marine observation, in particular to a salvaging device and a salvaging method for a bottom-sitting seabed-based observation system after the self-floating capacity is lost.
Background
The bottom-sitting type seabed-based observation system is very important technical equipment in the field of marine environment monitoring, and forms an omnibearing three-dimensional marine observation system together with a sea surface buoy observation system and an air-based remote sensing observation system. The invention discloses a submarine-seated seabed-based observation system, which is an important scientific research device for acquiring submarine and water body profile environmental parameter data for a long time at fixed points in the field of current marine scientific observation.
After the bottom-sitting type seabed-based observation system is deployed, data acquisition is carried out on the seabed for a certain period, and after one period, scientific researchers take a boat to reach the deployed sea area according to the preset time to recover the data. Normally, the submarine-based observation system needs to be equipped with a release device in addition to the sensors necessary for acquiring data, and the release device mainly comprises an acoustic release, a floating ball, a recovery cable and the like. Scientific research personnel release the floater through controlling the releaser, and the floater takes one end of recovery cable to float to the surface of water, and then realizes the conventional recovery of sitting bottom formula seabed base observation system.
Aiming at the seabed-based observation system widely applied, the condition that the seabed-based observation system cannot be normally recovered can occur in the application process, namely the seabed-based observation system loses the self-floating capacity and must be manually salvaged. For example: 1) the seabed base observation system is hung by a trawl of a fishing boat at the seabed and topples over under the dragging force of the trawl, so that the acoustic releaser is turned over downwards, and the floating ball is buckled below the toppled seabed base after being released and cannot float up to the water surface; 2) the abandoned floating fishing net is hung, the floating net covers the seabed base, and after the acoustic releaser releases the floating ball, the floating ball is wound into the floating net and cannot float up to the water surface; 3) the floating ball is blocked by other sundries or marine organisms and cannot float upwards; 4) the acoustic releaser is exhausted and cannot receive the releasing command; 5) the river mouth or extreme weather influence lead to the submerged buoy to be covered by silt, and the releaser can't receive the signal, and the floater can't release, etc.. The problem is particularly remarkable in the offshore observation field of China, and particularly in the sea area near a Zhoushan island, due to frequent fishing operation and a plurality of abandoned drainage nets, seabed bases distributed in the sea area by a plurality of scientific research units cannot be normally recovered, so that great scientific research loss is caused. At present, most of the submarine-type seabed-based observation systems losing self-floating capacity are fished in a diver submerging searching mode, the submarine-type seabed-based observation systems are suitable for marine environments in shallow water areas with slow flow speed and high visibility, the marine environments in sea areas of research hotspots are complex, and professional heavy divers cannot submerge under most conditions.
For the problems of seabed observation, Chinese patent CN201911064236.0 discloses a recovery device and a recovery method for a releaser failure submerged buoy, the device has the advantages of low cost, high efficiency and the like, but the device has strong pertinence, can only have recovery capability (a cable system on the submerged buoy is hooked by a specially designed fishing hook) for a submerged buoy system which is vertically arranged on the seabed and connected by a cable system, and has no grabbing point for a bottom-sitting seabed-based observation system and no recovery capability; in addition, the use of the device can be realized only by the coordination of two fishing boats, the operation is complex, and the risk is high.
Disclosure of Invention
The invention aims to solve the technical problem that in order to overcome the defects in the prior art, the invention provides a salvaging device and a salvaging method for a floating-loss bottom type seabed observation system, which aim at manually salvaging and recovering the floating-loss bottom type seabed observation system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a salvaging device used after a bottom-sitting type seabed-based observation system loses buoyancy comprises an operation fishing boat, a main towing cable, branch towing cables, a towing rod device and a towing hook device;
the towing rod device comprises a towing rod and a plurality of towing adjusting devices distributed along the length direction of the towing rod, the towing adjusting devices are integrally and rotatably arranged on one side of the towing rod and can rotate 90 degrees upwards or downwards around the axis of the towing rod, each towing adjusting device comprises a fender A and a fender B which are perpendicular to each other, when the fenders A horizontally contact with the seabed, the fenders B are vertically upwards, and when the fenders B horizontally contact the seabed, the fenders A are vertically upwards;
the towing hook devices are arranged on the other side of the towing rod, a plurality of towing hook devices are arranged along the length direction of the towing rod, each towing hook device comprises a towing hook, and the diameter of each towing hook is not larger than the aperture of a flow guide hole in the bottom-sitting seabed-based observation system, so that the towing hook can extend into the flow guide hole in the fishing process;
the number of the branch towing cables is equal to that of the towing adjusting devices, the branch towing cables are connected with the towing adjusting devices in a one-to-one correspondence mode, the lower end of each branch towing cable is connected with one towing adjusting device, the upper end of each branch towing cable is connected with the lower end of the main towing cable, and the upper end of the main towing cable is connected with the operation fishing boat.
In the above scheme, the dragging adjusting device further comprises a middle dragging plate arranged between the mudguard A and the mudguard B, and the end part of the middle dragging plate is a connection point of the dragging adjusting device and the branch dragging cable.
In the scheme, the middle carriage is arranged on an angular bisector of the mudguard A and the mudguard B.
In the above solution, the plurality of towing adjustment devices are symmetrically distributed about the cross section at the midpoint of the towing bar.
In the scheme, the towing rods are arranged in the horizontal direction, and the length direction of the towing rods is vertical to the movement direction of the operation fishing boat.
In the above scheme, the towing hook device further comprises a connecting cable and a connecting ring, the connecting ring is fixedly mounted on the towing rod and is located in a horizontal plane, one end of the connecting cable is connected with the connecting ring, and the other end of the connecting cable is connected with the towing hook; the tow hook is a steel multi-claw tow hook.
In the above scheme, the length of the connecting cable is less than the distance between two adjacent connecting rings; the interval and the number of the connecting rings are set according to the following rules: the distance between the outer diameters of two adjacent towing hooks is smaller than the side length of a fished target, so that the outer teeth of the towing hooks can be hung on the flow guide holes in the side plates.
In the above scheme, the fishing device further comprises a plurality of picking guns arranged on the same side of the dragging adjusting device, and the picking guns are arranged along the length direction of the dragging rod and are all positioned in a horizontal plane; the length of the gathering gun is not more than that of the mud guard A or the mud guard B.
In the scheme, the diameter of the picking gun is not larger than the aperture of the flow guide hole in the bottom-sitting seabed-based observation system, so that the towing hook can extend into the flow guide hole in the fishing process.
Correspondingly, the invention also provides a salvaging method for the floating loss of the sitting-type seabed-based observation system, and the salvaging device for the floating loss of the sitting-type seabed-based observation system comprises the following steps:
s1, the fishing vessel carries the fishing device to reach the sea area where the bottom-sitting type seabed-based observation system is located, and the fishing device is lowered in the downwash area;
s2, after the fishing device is sunk into the seabed, driving the ship to reversely flow to drag, passing through a distribution point, when the ship speed has obvious change, indicating that the fishing device is hung to load, sequentially recovering the main dragging cable and the branch dragging cables at the moment, checking whether the fishing device hooks the bottom-sitting seabed base observation system, if the fishing is successful, recovering the bottom-sitting seabed base observation system to an operating fishing ship, and finishing the fishing task;
and S3, if the fishing is not successful, the fishing vessel is used for carrying the fishing device and then is driven to the downstream of the seabed base station position, the fishing device is lowered again for towing, the towing path is adjacent to the previous towing path each time so as to ensure the complete search of the sea area, and the towing is started from the starting point until the towing exceeds the seabed base station position until the fishing is successful.
The invention has the beneficial effects that:
1. the fishing success rate is high: 1) the fishing device is provided with the towing hook device on one side of the rear end of the towing rod, the towing hook has strong mounting capacity, can be flexibly operated by a single ship and search sea areas within a certain range in a ploughing-like manner, has high mounting success rate of targets, and can successfully fish the targets by basically searching in one period; 2) according to the salvaging device, the row of picking guns are further arranged on one side of the front end of the towing rod, so that on one hand, a fishing net covered on the bottom-sitting type seabed base observation system can be hung and towed forwards, seabed base bodies are exposed as much as possible, a space is reserved for towing hooks to hang seabed bases, on the other hand, the picking guns also have the function of hanging the seabed base bodies, the salvaging probability is increased, and when the picking guns are firstly inserted into the flow guide holes of the seabed base side plates, the picking guns can be directly recovered;
3) according to the fishing device, the rotatable dragging adjusting device is arranged on one side of the front end of the dragging rod, so that the towing hook device and the picking gun are in a horizontal state when the fishing device is sunk into the seabed, and the fishing device is prevented from being inserted into mud.
2) The manufacturing cost is low, and the operation is simple: the invention is designed based on the towing capacity of a small trawler, and is matched with a towing rod and a towing hook device, so that the fishing boat carries out salvage and recovery of the lost floating and bottom-sitting seabed-based observation system in a conventional fishing trawler operation mode; in addition, the single-ship operation is flexible to operate.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural view of a salvaging target submersible seabed based observation system of the salvaging apparatus of the present invention;
FIG. 2 is a schematic view of the overall construction of the fishing device of the present invention;
FIG. 3 is a schematic view of the deployment of the underwater body of the fishing device of the present invention;
FIG. 4 is a partial schematic view of the fishing device of the present invention;
in the figure: 1. an operating fishing boat; 2. a general towing rope; 4. a branched towing rope; 5. a tow bar device; 51. a tow bar; 52. a drag adjustment device; 521. a fender A; 522. a fender B; 523. a wheel A; 524. a wheel B; 525. a middle carriage; 526. a reinforcing rib A; 527. reinforcing ribs B; 6. a towing hook device; 61. towing hooks; 62. a connecting cable; 63. a connecting ring; 7. picking a gun;
300. a bottom-seated seabed-based observation system; 301. a side plate; 302. an observation device; 303. an acoustic releaser floating ball system; 304. and (4) flow guide holes.
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 submarine-type seabed-based observation system 300, which is a salvaged target of the salvage device of the present invention, is a mature product that has been marketed, can be specifically designed into a quadrangle, a hexagon or an octagon according to an observation sea area, and has 4 or 6 or 8 side plates 301, and the side plates 301 are provided with diversion holes 304 for diversion; a plurality of observation devices 302 are arranged at the top, and the number and the types of the observation devices 302 can be arbitrarily added and combined according to specific requirements; the top is also provided with an acoustic releaser floating ball system 303, the acoustic releaser floating ball system 303 is also a mature product, and the commonly used brand is EdgeTech sports with the model number of POP-UP.
As shown in fig. 2, the fishing device for the submarine-based observation system after losing buoyancy provided by the embodiment of the invention comprises a working fishing boat 1, a main towing cable 2, branch towing cables 4, a towing rod device 5, a towing hook device 6 and a gathering gun 7.
The operation fishing boats 1 are fishing boats with certain trawling capability and experience, the number of the operation fishing boats 1 is one, the operation fishing boats 1 are connected with the towing rod device 5 through the main towing cable 2 and the branch towing cables 4, and the towing rod device 5 is towed to perform seabed fishing operation.
The tow bar arrangement 5 comprises a tow bar 51 and a number of tow adjustment devices 52 distributed along the length of the tow bar 51. Wherein, the towing rod 51 is a hollow and round steel rod, the length thereof is designed according to the characteristics of sea area, water depth and towing capacity of the operation fishing boat 1, and the length thereof can be designed to be similar to the length of the operation fishing boat 1 in general; the towing rod 51 is horizontal, and the length direction thereof is perpendicular to the movement direction of the working fishing boat 1. The drag adjusting device 52 is integrally and rotatably arranged on one side of the front end of the drag rod 51 and can rotate for 90 degrees upwards or downwards around the central axis of the drag rod 51; the dragging adjusting device 52 comprises a fender A521 and a fender B522 which are perpendicular to each other, a middle dragging plate 525 is arranged on an angular bisector of the fender A521 and the fender B522, and the end part of the middle dragging plate 525 is a connecting point of the dragging adjusting device 52 and the branch dragging cable 4. Because the three plates can integrally rotate upwards or downwards by 90 degrees, the mudguard A521 is horizontal and the mudguard B522 is vertical after being immersed into the sea bottom, or the mudguard B522 is horizontal and the mudguard A521 is vertical.
The towing hook device 6 is arranged on one side of the rear end of the towing rod 51, and a plurality of towing hook devices are uniformly arranged along the length direction of the towing rod 51. Each towing hook device 6 comprises a towing hook 61, a connecting cable 62 and a connecting ring 63, the connecting ring 63 is fixedly mounted on the towing rod 51 and is in a horizontal direction, one end of the connecting cable 62 is connected with the connecting ring 63, and the other end is connected with the towing hook 61. The towing hook 61 is a steel towing hook with 4-6 claws, and the diameter of the claw at the tip end of the towing hook 61 is not larger than the diameter of the guide hole on the sitting-type seabed-based observation system, so that the towing hook 61 can extend into the guide hole in the fishing process. The length of the connecting cable 62 is smaller than the distance between two adjacent connecting rings 63, so that the probability that two adjacent towing hooks 61 collide with each other is reduced, and the towing efficiency is improved. The pitch and number of the connection rings 63 are set by the following rules: the distance between the outer diameters of two adjacent towing hooks 61 is smaller than the side length of the object to be fished, so as to ensure that the outer teeth of the towing hooks 61 can be hooked on the diversion holes 304 on the side plates 301.
The picking guns 7 are arranged on one side of the front end of the towing rod 51 and are positioned on the same side with the towing adjusting device 52, and a plurality of picking guns 7 are arranged along the length direction of the towing rod 51 and are in the horizontal direction. The picking gun 7 has two functions, firstly picking away the fishing net, if a large-area fishing net covers the sitting-type seabed base observation system, the picking gun 7 firstly hangs and drags the fishing net forwards to expose the seabed base body as much as possible, and a space is reserved for the trawling hook 61 to hang the seabed base; secondly, the picking gun 7 also has the function of hanging and carrying seabed base bodies, the fishing probability is increased, when the picking gun 7 is firstly inserted into the diversion hole 304 of the seabed base side plate 301, the picking gun can be directly recovered, and therefore, the diameter of the picking gun 7 is designed to be not larger than the aperture of the diversion hole 304 on the sitting-type seabed base observation system.
Because the fishing device is possible to turn over after entering water, if one side of the mudguard A521 is firstly attached to the seabed, the side is in a horizontal state, the gathering gun 7 and the towing hook device 6 are prevented from being pricked into mud, and the mudguard B522 is in a vertical and upward idle state; if fender B522 is first positioned on the sea floor, it is horizontal and fender A521 is oriented vertically upward. Therefore, the length of the lance 7 is not greater than the length of the fender a521 or the fender B522, and it is ensured that the fender a521 or the fender B522 comes to the seabed first.
The number of the branch towing cables 4 is equal to that of the towing adjusting devices 52, the branch towing cables are correspondingly connected one by one, the lower end of each branch towing cable 4 is connected with one towing adjusting device 52, the upper end of each branch towing cable is connected with the lower end of the main towing cable 2, and the upper end of the main towing cable 2 is connected with the operation fishing boat 1. The middle dragging plate 525 is a main stressed part and is connected with the branch dragging cable 4, and the branch dragging cable 4 is upwards 45 degrees no matter the mud guard A521 or the mud guard B522 is downwards, so that dragging is facilitated.
Further preferably, the end of the fender A521 is provided with a wheel A523, and the end of the fender B522 is provided with a wheel B524, so that the whole device can move forward conveniently in the towing process and is not easy to prick into soil. A reinforcing rib A526 is arranged between the connecting mudguard A521 and the middle carriage 525, a reinforcing rib B527 is arranged between the connecting mudguard B522 and the middle carriage 525, and the reinforcing rib is used for reinforcing the connecting middle carriage 525 and the mudguards on the two sides of the connecting middle carriage 525.
Further optimized, the plurality of drag adjustment devices 52 are symmetrically distributed about the cross-section at the midpoint of the drag lever 51. The number of drag adjustment devices 52 is preferably an odd number, wherein one drag adjustment device 52 is disposed at a midpoint position of the drag lever 51, and the other drag adjustment devices 52 are symmetrically distributed about a cross section at the midpoint position of the drag lever 51. In this embodiment, the number of the dragging adjusting devices 52 is three, and the three dragging adjusting devices are respectively arranged at the middle point and the two ends of the dragging rod 51, and the number of the branch dragging cables 4 is correspondingly three; in other embodiments, two towing adjustment devices 52 and two branch towing ropes 4 can be added at the left-right symmetrical positions according to actual needs.
Further optimization, the total towing cable 2 is generally a plastic-coated steel cable or a high-strength towing cable commonly used for a trawler, and the length of the total towing cable is generally designed to be 2.5 times to 3 times of the water depth.
Further preferably, the branch towing cables 4 are generally high-strength towing cables, and the length of each of the branch towing cables is generally designed to be equal to that of the towing rod 51, so that operations such as hoisting on a ship are facilitated, and meanwhile, the balance of the towing rod is controlled when the towing rod is pulled.
Correspondingly, the invention also provides a salvaging method for the floating loss of the bottom-sitting seabed observation system, when the bottom-sitting seabed observation system finishes one period of observation, the recovery fails and the self-floating can not be realized, the salvaging device is adopted for salvaging, and the method specifically comprises the following steps:
s1, the fishing boat 1 carries the fishing device to reach the sea area where the bottom-sitting type seabed-based observation system is located, and the fishing device is lowered in a downflow region: firstly, the towing rod 51 is integrally lifted, the towing hook device 6 enters water firstly, the towing rod 51 enters water again, the branch towing cables 4 and the total towing cable 2 are slowly lowered, and the fishing device is sunk to the sea bottom under the action of the gravity of the towing rod 51.
S2, after the fishing device is sunk into the seabed, the ship is driven to reversely flow to drag, the fishing device is shown to be hung and loaded when the ship speed is obviously changed through the arrangement point position, the main dragging cable 2 and the branch dragging cables 4 are sequentially recovered at the moment, whether the fishing device hooks the bottom-sitting seabed observation system or not is checked, if the fishing is successful, the bottom-sitting seabed observation system is recovered to the operation fishing ship 1, and the fishing task is completed.
S3, if the fishing is not successful, the fishing vessel 1 is used for carrying the fishing device and then is driven to the downstream of the seabed base station position, the fishing device is lowered again for towing, at the moment, the towing path is adjacent to the previous towing path each time so as to ensure the complete search of the sea area, and the towing is ensured to be started from the starting point until the towing exceeds the seabed base station position until the fishing is successful.
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 salvaging device used after a bottom-sitting type seabed-based observation system loses buoyancy is characterized by comprising an operation fishing boat, a main towing cable, branch towing cables, a towing rod device and a towing hook device;
the towing rod device comprises a towing rod and a plurality of towing adjusting devices distributed along the length direction of the towing rod, the towing adjusting devices are integrally and rotatably arranged on one side of the towing rod and can rotate 90 degrees upwards or downwards around the axis of the towing rod, each towing adjusting device comprises a fender A and a fender B which are perpendicular to each other, when the fenders A horizontally contact with the seabed, the fenders B are vertically upwards, and when the fenders B horizontally contact the seabed, the fenders A are vertically upwards;
the towing hook devices are arranged on the other side of the towing rod, a plurality of towing hook devices are arranged along the length direction of the towing rod, each towing hook device comprises a towing hook, and the diameter of each towing hook is not larger than the aperture of a flow guide hole in the bottom-sitting seabed-based observation system, so that the towing hook can extend into the flow guide hole in the fishing process;
the number of the branch towing cables is equal to that of the towing adjusting devices, the branch towing cables are connected with the towing adjusting devices in a one-to-one correspondence mode, the lower end of each branch towing cable is connected with one towing adjusting device, the upper end of each branch towing cable is connected with the lower end of the main towing cable, and the upper end of the main towing cable is connected with the operation fishing boat.
2. The fishing device for the suspended marine seabed observation system as claimed in claim 1, wherein the towing adjustment device further comprises an intermediate carriage disposed between the mudguard A and the mudguard B, and the end of the intermediate carriage is a connection point between the towing adjustment device and the branch towing cable.
3. The fishing device of claim 2, wherein the intermediate carriage is mounted on the angular bisector of the fender A and the fender B.
4. The fishing device for the suspended type seabed observation system as claimed in claim 1, wherein the plurality of towing adjustment devices are symmetrically distributed about the cross section of the towing rod at the midpoint position.
5. The fishing device for the floating loss of the seabed-based observation system as claimed in claim 1, wherein the towing rod is arranged horizontally, and the length direction of the towing rod is perpendicular to the movement direction of the fishing boat.
6. The fishing device for the submerged seabed observational system after the floating is lost as claimed in claim 1, wherein the towing hook device further comprises a connecting cable and a connecting ring, the connecting ring is fixedly arranged on the towing rod and is positioned in a horizontal plane, one end of the connecting cable is connected with the connecting ring, and the other end of the connecting cable is connected with the towing hook; the tow hook is a steel multi-claw tow hook.
7. The fishing device for the floating-loss submarine-based observation system according to claim 6, wherein the length of the connecting cable is less than the distance between two adjacent connecting rings; the interval and the number of the connecting rings are set according to the following rules: the distance between the outer diameters of two adjacent towing hooks is smaller than the side length of a fished target, so that the outer teeth of the towing hooks can be hung on the flow guide holes in the side plates.
8. The fishing device for the submarine-based observation system after the floating loss according to claim 1, further comprising a plurality of picking guns arranged on the same side of the dragging adjusting device, wherein the plurality of picking guns are arranged along the length direction of the dragging rod and are all positioned in a horizontal plane; the length of the gathering gun is not more than that of the mud guard A or the mud guard B.
9. The fishing device for the suspended marine seabed observation system as claimed in claim 8, wherein the diameter of the pick gun is not larger than the diameter of the diversion hole of the suspended marine seabed observation system, so that the tow hook can extend into the diversion hole during the fishing process.
10. A salvaging method for the floating loss of the sitting seabed based observation system is characterized in that the salvaging device for the floating loss of the sitting seabed based observation system as claimed in any one of claims 1 to 9 is adopted, and comprises the following steps:
s1, the fishing vessel carries the fishing device to reach the sea area where the bottom-sitting type seabed-based observation system is located, and the fishing device is lowered in the downwash area;
s2, after the fishing device is sunk into the seabed, driving the ship to reversely flow to drag, passing through a distribution point, when the ship speed has obvious change, indicating that the fishing device is hung to load, sequentially recovering the main dragging cable and the branch dragging cables at the moment, checking whether the fishing device hooks the bottom-sitting seabed base observation system, if the fishing is successful, recovering the bottom-sitting seabed base observation system to an operating fishing ship, and finishing the fishing task;
and S3, if the fishing is not successful, the fishing vessel is used for carrying the fishing device and then is driven to the downstream of the seabed base station position, the fishing device is lowered again for towing, the towing path is adjacent to the previous towing path each time so as to ensure the complete search of the sea area, and the towing is started from the starting point until the towing exceeds the seabed base station position until the fishing is successful.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111340027.1A CN113911290B (en) | 2021-11-12 | 2021-11-12 | Fishing device and method for bottom-sitting seabed-based observation system after floating loss |
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| CN202111340027.1A CN113911290B (en) | 2021-11-12 | 2021-11-12 | Fishing device and method for bottom-sitting seabed-based observation system after floating loss |
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| CN113911290A true CN113911290A (en) | 2022-01-11 |
| CN113911290B CN113911290B (en) | 2023-05-02 |
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Citations (23)
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