CN112219802A - Fishery resource survey ship - Google Patents
Fishery resource survey ship Download PDFInfo
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- CN112219802A CN112219802A CN202011116541.2A CN202011116541A CN112219802A CN 112219802 A CN112219802 A CN 112219802A CN 202011116541 A CN202011116541 A CN 202011116541A CN 112219802 A CN112219802 A CN 112219802A
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- 241000251468 Actinopterygii Species 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 238000011835 investigation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 241000238366 Cephalopoda Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000029264 phototaxis Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
- A01K79/02—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery by electrocution
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
- A01K73/04—Devices for spreading or positioning, e.g. control thereof
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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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Farming Of Fish And Shellfish (AREA)
- Mechanical Means For Catching Fish (AREA)
Abstract
The invention relates to a fishery resource survey ship, which comprises a ship body part, and tail trawl operation equipment and light cover net operation equipment which are arranged on the ship body, wherein the structure of the ship body part is as follows: the ship comprises a main ship body, wherein a tail slideway is arranged at the stern of the main ship body, a main deck is arranged on the upper surface of the main ship body, an upper building is arranged at the middle front part above the main deck, the rear end of the upper building is a rear end wall, a door-shaped chimney is arranged at the middle rear part above the main deck, a door-shaped frame structure is arranged at the rearmost end above the main deck, a second deck is arranged above the upper building, and a cab is arranged at the middle front part above the second deck; the multifunctional electric vehicle has the functions of trawling and lighting cover operation, greatly improves the working reliability and reduces the cost.
Description
Technical Field
The invention relates to the technical field of ship equipment, in particular to a fishery resource survey ship.
Background
The fishery resource examination ship is a ship specially used for scientific examination of fishery resources, fishery and fishery water area environments and the like, or experimental study of fisheries, fishery methods and the like. Fishery examination ship is equipped with equipment such as necessary marine organism sample, environment observation and trial fishing tackle according to its functional requirement generally.
The tail trawl operation is a fishing operation mode in which a ship drags a net at the stern to make a fishing object enter the net. The tail towing net fishing operation is one of the most important modern fishing modes, and the fishing operation is carried out at the stern.
The light cover net operation is a novel fishing gear fishing method which appears and develops rapidly in the north of the south China sea in the early 90 th century, and mainly catches cephalopoda and phototaxis fishes. At present, the light cover net fishing boat is widely distributed in fishing ports in the north of the south sea in China, fishing objects are wide, and the fishing ports are distributed in the north of the south sea and in the deep sea areas in the middle south of the China. The fishing equipment carried by the light cover net fishing boat mainly comprises fish luring lamps and a plurality of winches with different purposes, and is mainly characterized by comprising 4 support rods arranged at four corners of the fishing boat and a large-scale ultrahigh truss structure at the bow and the stern. Because the light cover net operation needs to occupy most of the deck space on the ship and is used for arranging the fishing equipment, the current light cover net fishing ship only has a single light cover net operation function, and no space on the ship is used for expanding other fishing operation functions.
Present fishery resource debugging ship has generally all carried on tail trawl net operation equipment and fishing tackle in order to carry out the operation of tail trawl net fishing, also can possess the squid according to different investigation operation demands and angle the operation other and need not occupy the function of fishing of too many deck spaces on the ship, nevertheless because light cover net operation needs to occupy most deck spaces on the ship and be used for arranging its equipment of fishing, consequently hardly have a fishery resource debugging ship can possess tail trawl net operation and light cover net operation function simultaneously.
Disclosure of Invention
The applicant provides a fishery resource survey ship aiming at the defects in the prior art, so that the fishery resource survey ship has the functions of trawling operation and light cover operation, the working reliability is greatly improved, and the cost is reduced.
The technical scheme adopted by the invention is as follows:
a fishery resource survey ship, which comprises a ship body part, and a tail trawl operation device and a light cover net operation device which are arranged on the ship body,
the structure of the hull part is as follows: the ship comprises a main ship body, wherein a tail slideway is arranged at the stern of the main ship body, a main deck is arranged on the upper surface of the main ship body, an upper building is arranged at the middle front part above the main deck, the rear end of the upper building is a rear end wall, a door-shaped chimney is arranged at the middle rear part above the main deck, a door-shaped frame structure is arranged at the rearmost end above the main deck, a second deck is arranged above the upper building, and a cab is arranged at the middle front part above the second deck;
the structure of the tail trawl operation equipment is as follows: the trawl winch is positioned in the middle of a main deck, the net hauling winch is positioned on a second-layer deck, the steel cable pulley is positioned below a portal frame structure, and a trawl rope is led out from the trawl winch and is connected to a netting gear after being guided by the steel cable pulley;
the structure of the light cover net operation equipment is as follows: including slewer, vaulting pole, truss structure, become width of cloth winch, become width of cloth cable group, four reel winches, net winch and attracting lamp, a plurality of slewer, truss structure, become width of cloth winch and four reel winches are all installed on the second deck, and every slewer connects the vaulting pole, the vaulting pole passes through slewer and expandes to the shipboard, and the vaulting pole head is connected to and becomes width of cloth winch through becoming width of cloth cable group, it becomes width of cloth cable group to install between truss structure top and the vaulting pole.
The further technical scheme is as follows:
two trawl winch steel machines are arranged in the middle of the main deck and are arranged in bilateral symmetry relative to a longitudinal section in the hull.
Two trawl winch are located at the rear part of the rear end wall.
Auxiliary winding drums are respectively installed at two ends of the net hauling winch, and a main winding drum is installed in the middle of the net hauling winch.
The number of the steel cable pulleys is two, and the two steel cable pulleys are arranged in bilateral symmetry relative to a longitudinal section in the ship body.
The number of the rotating devices is four, the front two rotating devices are respectively positioned at the left and right gunwales at the front end of the two-layer deck, and the rear two rotating devices are respectively positioned at the left and right gunwales of the gate-shaped chimney.
The structure of the truss structure is as follows: the fish luring lamp comprises a front truss structure, a middle truss structure and a rear truss structure, wherein the front truss structure and the middle truss structure are vertically arranged on a second deck at intervals, the rear truss structure is arranged on a main deck, connecting cross rods are simultaneously arranged on the upper portions of the front truss structure, the middle truss structure and the rear truss structure, and fish luring lamps at even intervals are arranged on the connecting cross rods.
The front truss structure is positioned at the front part of the second deck, the middle truss structure is positioned at the rear part of the second deck, and the rear truss structure is positioned at the rear part of the main deck.
The four-drum winch is provided with four drums, mooring ropes on the four drums are guided to the top ends of the corresponding four support rods through pulleys on the truss structure and are connected to four net corners of the cover net, and the cover net is opened and fish schools below the cover net are buckled by retracting the mooring ropes.
The invention has the following beneficial effects:
the fishing resource investigation ship has a compact and reasonable structure and is convenient to operate, and the tail trawl operation equipment and the light cover net operation equipment are arranged on the ship body at the same time, so that the functions of the tail trawl operation and the light cover net operation are realized, and the fishing resource investigation work which can be carried out by simultaneously moving two ships originally can be replaced by only one fishing resource investigation ship, so that the economic benefit brought by fishing resource investigation and research fund can be greatly saved, the investigation and research work of the fishing resources in south China sea can be greatly promoted, and the rapid development of the fishing industry can be promoted. The problem that the existing fishery resource examination boat cannot have functions of trawlnet operation and lamplight cover net operation is effectively solved.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the main deck of the present invention, where CL indicates the centerline of the vessel.
Figure 3 is a top view of the two-deck of the invention, where CL indicates the centerline of the vessel.
Fig. 4 is a top view of the spreader of the present invention after deployment outboard, where CL represents the centerline of the vessel.
Fig. 5 is a schematic structural view of the door chimney according to the present invention.
Fig. 6 is a schematic view of the rear truss structure of the present invention.
Wherein: 1. a main deck; 2. a main hull; 3. a tail chute; 4. building the upper layer; 401. a rear end wall; 5. a door-shaped chimney; 6. a door-shaped frame structure; 7. a second deck; 8. a cab; 801. a rear end face of the cab; 9. a trawl winch; 10. a net hauling winch; 1001. an auxiliary drum; 1002. a main reel; 11. a cable pulley; 12. a turning device; 13. a stay bar; 1301. a strut end; 1302. the top end of the stay bar; 14. a truss structure; 1401. a front truss structure; 1402. a middle truss structure; 1403. a rear truss structure; 1404. connecting the cross bars; 15. a variable amplitude winch; 16. a variable-amplitude cable group; 17. a four-drum winch; 1701. a reel; 18. a fish luring lamp.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 6, the fishery resources survey ship of the present embodiment includes a hull portion, and a tail trawl operation device and a light mantle net operation device provided on the hull,
the structure of the hull part is as follows: the ship comprises a main ship body 2, a tail slide way 3 is arranged at the stern of the main ship body 2, a main deck 1 is arranged on the upper surface of the main ship body 2, an upper building 4 is arranged at the middle front part above the main deck 1, the rear end of the upper building 4 is a rear end wall 401, a door-shaped chimney 5 is arranged at the middle rear part above the main deck 1, a door-shaped frame structure 6 is arranged at the rearmost end above the main deck 1, a second deck 7 is arranged above the upper building 4, and a cab 8 is arranged at the middle front part above the second deck 7;
the structure of the tail trawl operation equipment is as follows: the trawl winch is located in the middle of a main deck 1, the trawl winch 10 is located on a second-layer deck 7, the steel cable pulley 11 is located below a portal frame structure 6, and a steel rope is led out from the trawl winch 9 and is connected to a netting gear after being guided by the steel cable pulley 11;
the structure of the light cover net operation equipment is as follows: including slewer 12, vaulting pole 13, truss structure 14, become width of cloth winch 15, become width of cloth cable group 16, four reel winches 17, net hauler 10 and attracting lamp 18, a plurality of slewer 12, truss structure 14, become width of cloth winch 15 and four reel winches 17 and all install on two deck 7, vaulting pole 13 is connected to every slewer 12, vaulting pole 13 is launched to the outboard through slewer 12, vaulting pole 13 head is connected to become width of cloth winch 15 through becoming width of cloth cable group 16, it becomes width of cloth cable group 16 to install between truss structure 14 top and the vaulting pole 13.
The strut 13 is provided with a strut tip 1301 and a strut tip 1302
Two trawl winch-steel machines 9 are arranged in the middle of the main deck 1, and the two trawl winch-steel machines 9 are arranged in bilateral symmetry relative to the longitudinal section in the hull.
Two trawl winch 9 are located behind the rear end wall 401.
The two ends of the hauling winch 10 are respectively provided with an auxiliary winding drum 1001, and the middle part is provided with a main winding drum 1002.
The number of the steel cable pulleys 11 is two, and the two steel cable pulleys are arranged in bilateral symmetry relative to a longitudinal section in the ship body.
The number of the rotating devices 12 is four, the two rotating devices 12 at the front part are respectively positioned at the left and right gunwales at the front end of the two-layer deck 7, and the two rotating devices 12 at the rear part are respectively positioned at the left and right gunwales of the gate-shaped chimney 5.
The truss structure 14 is structured as follows: the fish attracting device comprises a front truss structure 1401, a middle truss structure 1402 and a rear truss structure 1403, wherein the front truss structure 1401, the middle truss structure 1402 and the rear truss structure 1403 are vertically installed on a second deck 7 at intervals, connecting cross rods 1404 are simultaneously installed on the upper portions of the front truss structure 1401, the middle truss structure 1402 and the rear truss structure 1403, and fish attracting lamps 18 are installed on the connecting cross rods 1404 and evenly spaced.
The front truss structure 1401 is located at the front of the second deck 7, the middle truss structure 1402 is located at the rear of the second deck 7, and the rear truss structure 1403 is located at the rear of the main deck 1.
The four-drum winch 17 is provided with four drums 1701, cables on the four drums 1701 are guided to the top ends 1302 of the corresponding four supporting rods 13 through pulleys on the truss structure 14 and are connected to four net corners of the cover net, and the cover net is opened and fish shoals below the cover net are buckled by retracting the cables.
The specific structure and function of the invention are as follows:
as shown in fig. 1, the present invention mainly comprises a hull portion, and a tail trawl operation device and a light cover net operation device which are arranged on the hull portion.
The boat body part comprises a main deck 1, and a main boat body 2 and a stern tail slideway 3 are arranged below the main deck 1;
the upper front part above the main deck 1 is provided with an upper building 4, and a crew cabin and a laboratory for fishery resource investigation are generally arranged in the upper building 4;
the middle rear part above the main deck 1 is provided with a door-shaped chimney 5, and the tail end above the main deck 1 is provided with a door-shaped frame structure 6;
a second deck 7 is arranged above the superstructure 4, and a cab 8 is arranged in the middle and front part above the second deck 7.
The tail trawl operation equipment mainly comprises a trawl winch 9, a net hauling winch 10 and a steel cable pulley 11;
the number of the trawl winch 9 is two, which is used for towing two trails of the net respectively when the trawl is in operation; as shown in fig. 2, the trawl winch 9 is located in the middle of the main deck 1 behind the rear end wall 401, and the two trawl winches 9 are arranged in a left-right symmetrical manner with respect to the longitudinal section of the vessel;
the net hauling winch 10 is used for tail trawl operation and can also be used for lamplight cover net operation, and when the net hauling winch 10 is used for tail trawl operation, auxiliary winding drums 1001 at two ends of the net hauling winch 10 can be used for pulling a net from the sea surface to a main deck 1 through a tail slideway 3; as shown in fig. 3, the hauling winch 10 is located at the rearmost end of the second deck 7;
the number of the steel cable pulleys 11 is two, as shown in fig. 1 and 2, the steel cable pulleys 11 are positioned below the portal frame structure 6 and are arranged in bilateral symmetry relative to a longitudinal section of a ship, and the steel cable pulleys 11 are used for guiding two trawls when in trawling operation;
the light cover net operation equipment mainly comprises a rotating device 12, a support rod 13, a truss structure 14, an amplitude-variable winch 15, an amplitude-variable cable group 16, a four-drum winch 17, a net hauling winch 10 and a fish luring lamp 18;
the number of the slewing devices 12 is four, as shown in fig. 3, the two slewing devices 12 at the front part are respectively positioned at the left and right gunwales at the front end of the two-layer deck 7, and the two slewing devices 12 at the rear part are respectively positioned at the left and right gunwales of the gate-type chimney 5 and are respectively arranged in a left-right symmetrical mode relative to the middle longitudinal section of the ship;
the number of the struts 13 is four, the tail end 1301 of each strut is mounted on the corresponding slewing device 12, and as shown in fig. 4, the four struts 13 can be synchronously unfolded outboard through four slewing devices 12;
the truss structure 14 is mainly composed of a front truss structure 1401, a middle truss structure 1402, a rear truss structure 1403, and a connecting cross bar 1404;
as shown in fig. 1, a front truss structure 1401 is positioned at the front part of the two-layer deck 7, a middle truss structure 1402 is positioned at the rear part of the two-layer deck 7, a rear truss structure 1403 is positioned at the rear part of the main deck 1, and after the door-shaped chimney 5, as shown in fig. 6, a transverse schematic view of the rear truss structure 1403 is shown, and the structures of the front truss structure 1401 and the middle truss structure 1402 are similar to the structures of the front truss structure and the middle truss structure; the truss structure 14 is mainly used for mounting various trolleys (not shown in the figure) for guiding and for mounting a fish luring lamp 18;
the number of the amplitude-variable winches 15 is four, as shown in fig. 1, 3 and 6, the two front winches are respectively positioned at two sides of the front truss structure 1401, the two rear winches are respectively positioned at two sides of the rear truss structure 1403, and the two front winches are respectively arranged in a left-right symmetrical mode relative to the longitudinal section of the ship; each luffing winch 15 is used for changing the pitch angle of the corresponding stay 13;
the number of the variable-amplitude cable groups 16 is four, and the four variable-amplitude cable groups are respectively connected with four corresponding variable-amplitude winches 15 and four support rods 13;
as shown in fig. 1 and 4, each luffing winch 15 changes the pitch angle of the stay 13 by retracting the luffing cable set 16;
the number of the four-drum winch 17 is one, and as shown in fig. 3, the four-drum winch 17 is positioned at the middle rear part of the second deck 7 and behind the rear end surface 801 of the cab;
the four-drum winch 17 is used for net releasing operation of the cover net and comprises four drums 1701, cables on the four drums 1701 are respectively guided to the top ends 1302 of the corresponding four supporting rods 13 through pulleys (not shown in the figure) on the truss structure 14 and are connected to four net corners of the cover net, and the opening of the cover net and the buckling of fish schools below the cover net are realized by retracting the cables;
the number of the net hauling winches 10 is one, the net hauling winches 10 can be used for trawling operation and lamplight covering operation, and when the net hauling winches are used for lamplight covering operation, the main winding drum 1002 in the middle of the net hauling winches 10 is used for hoisting the covering net to the main deck 1 from the sea surface on the shipboard side;
the fish luring lights 18 are used to lure fish to the underside of the vessel when turned on at night, and as shown in fig. 1, the fish luring lights 18 are mounted on a connecting cross bar 1404, generally in a left-right symmetrical arrangement with respect to a longitudinal section of the vessel.
In the actual use process:
as shown in fig. 1, in a state where the stay 13 of the hull is not deployed to the outboard side, the driver drives the fishery resources survey ship to the light cover net work target fishery. After the ship is in place, starting the four slewing devices 12 to synchronously unfold the four support rods 13 outwards, turning on the fish luring lamps 18 to gradually lure fish to the lower part of the ship as shown in fig. 4, then throwing the cover net into the sea from the broadside of the ship, and reeling cables together through the four drums 1701 of the four-drum winch 17 to stretch the four net corners of the cover net outwards so as to stretch the cover net in a square shape and keep the cover net fixed; at this time, the cover net coverage area can be changed according to the operation requirement by changing the pitch angle of the stay 13 by retracting the luffing cable group 16 using the luffing winch 15. After the desired fish school is induced under the cover net, the fish inducing lamp 18 is turned off and the four reels 1701 of the four-reel winch 17 release the cable together to allow the cover net to be pulled down and cover the fish school under the cover net quickly. Finally, the cover net is pulled to the sea surface of the ship side by using a main winding drum 1002 in the middle of the hauling winch 10 and is hoisted to the main deck 1, and four slewing devices 12 are started to synchronously retract four support rods 13 from an outboard unfolding state to the ship side, as shown in fig. 3.
As shown in fig. 1 and 2, the driver drives the fishery resources survey ship to the trawl work target fishing ground. The net is thrown into the sea from the tail slide way 3 and then connected to the towline, the trawl winch 9 is started to gradually release the towline to a sufficient length backwards, and meanwhile, the ship sails forwards at a low speed to drag the net. When the required fish is caught in the netting gear, the trawl winch 9 is started to withdraw the released towline. After the line is retrieved, the net is pulled from the sea surface to the main deck 1 through the tail slide 3 using the auxiliary drums 1001 at both ends of the net winch 10.
According to the invention, fishery resource investigation work which can be carried out only by simultaneously moving two fishery resource examination boats can be replaced by only one fishery resource examination boat, so that economic benefits brought by fishery resource investigation and research expenses can be greatly saved, investigation and research work of south-sea fishery resources can be greatly promoted, and rapid development of fishery industry can be promoted.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (9)
1. A fishery resource survey vessel, characterized in that: comprises a ship body part, and a tail trawl operation device and a light cover net operation device which are arranged on the ship body,
the structure of the hull part is as follows: the ship comprises a main ship body (2), a tail slide way (3) is arranged at the stern of the main ship body (2), a main deck (1) is arranged on the upper surface of the main ship body (2), an upper building (4) is arranged at the middle front part above the main deck (1), the rear end of the upper building (4) is a rear end wall (401), a door-shaped chimney (5) is arranged at the middle rear part above the main deck (1), a door-shaped frame structure (6) is arranged at the tail end above the main deck (1), a second deck (7) is arranged above the upper building (4), and a cab (8) is arranged at the middle front part above the second deck (7);
the structure of the tail trawl operation equipment is as follows: the trawl winch is characterized by comprising a trawl winch (9), a hauling winch (10) and a steel cable pulley (11), wherein the trawl winch (9) is positioned in the middle of a main deck (1), the hauling winch (10) is positioned on a second-layer deck (7), the steel cable pulley (11) is positioned below a portal frame structure (6), and a towing rope is led out from the trawl winch (9) and is connected to a netting gear after being guided by the steel cable pulley (11);
the structure of the light cover net operation equipment is as follows: including slewer (12), vaulting pole (13), truss structure (14), become width of cloth winch (15), become width of cloth cable group (16), four reel winches (17), net hauling winch (10) and fish luring lamp (18), a plurality of slewer (12), truss structure (14), become width of cloth winch (15) and four reel winches (17) are all installed on two deck (7), and vaulting pole (13) are connected in every slewer (12), vaulting pole (13) are outwards expanded through slewer (12), and vaulting pole (13) head is connected to become width of cloth winch (15) through becoming width of cloth cable group (16), it becomes width of cloth cable group (16) to install between truss structure (14) top and vaulting pole (13).
2. A fishery resource survey vessel according to claim 1, wherein: two trawl winch steel machines (9) are arranged in the middle of the main deck (1), and the two trawl winch steel machines (9) are arranged in a left-right symmetrical mode relative to the longitudinal section in the ship body.
3. A fishery resource survey vessel according to claim 1, wherein: two trawl winch (9) are located behind the rear end wall (401).
4. A fishery resource survey vessel according to claim 1, wherein: auxiliary winding drums (1001) are respectively installed at two ends of the hauling winch (10), and a main winding drum (1002) is installed in the middle of the hauling winch.
5. A fishery resource survey vessel according to claim 1, wherein: the number of the steel cable pulleys (11) is two, and the two steel cable pulleys are arranged in bilateral symmetry relative to a longitudinal section in the ship body.
6. A fishery resource survey vessel according to claim 1, wherein: the number of the rotary devices (12) is four, the two rotary devices (12) at the front part are respectively positioned at the left and right gunwales at the front end of the two-layer deck (7), and the two rotary devices (12) at the rear part are respectively positioned at the left and right gunwales of the gate-type chimney (5).
7. A fishery resource survey vessel according to claim 1, wherein: the truss structure (14) has the following structure: the fish luring lamp comprises a front truss structure (1401), a middle truss structure (1402) and a rear truss structure (1403), wherein the front truss structure (1401) and the middle truss structure (1402) are vertically installed on a second deck (7) at intervals, the rear truss structure (1403) is installed on a main deck (1), a connecting cross rod (1404) is installed on the upper portions of the front truss structure (1401), the middle truss structure (1402) and the rear truss structure (1403) at the same time, and fish luring lamps (18) which are evenly spaced are installed on the connecting cross.
8. A fishery resource survey vessel according to claim 7, wherein: the front truss structure (1401) is positioned at the front part of the two-layer deck (7), the middle truss structure (1402) is positioned at the rear part of the two-layer deck (7), and the rear truss structure (1403) is positioned at the rear part of the main deck (1).
9. A fishery resource survey vessel according to claim 1, wherein: the four-drum winch (17) is provided with four drums (1701), cables on the four drums (1701) are guided to the top ends (1302) of the corresponding four support rods (13) through pulleys on the truss structure (14) respectively and are connected to four net corners of the cover net, and the opening of the cover net and the fishing shoals below the cover net are achieved by winding and unwinding the cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116541.2A CN112219802B (en) | 2020-10-19 | 2020-10-19 | Fishery resource survey ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116541.2A CN112219802B (en) | 2020-10-19 | 2020-10-19 | Fishery resource survey ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112219802A true CN112219802A (en) | 2021-01-15 |
| CN112219802B CN112219802B (en) | 2022-03-01 |
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ID=74117473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011116541.2A Active CN112219802B (en) | 2020-10-19 | 2020-10-19 | Fishery resource survey ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112219802B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB179605A (en) * | 1921-02-03 | 1922-05-03 | Lybeck Ocean Harvester Co Inc | Improvements in fishing boats |
| EP0467003A1 (en) * | 1990-07-17 | 1992-01-22 | Societa' Esercizio Cantieri S.P.A. | A trawling boat equipped with a conveyor structure enabling continuous catch transfer from net on board |
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