CN111528187A - Euphausia superba trawl continuously fishing and harvesting auxiliary conveying device based on towing power - Google Patents
Euphausia superba trawl continuously fishing and harvesting auxiliary conveying device based on towing power Download PDFInfo
- Publication number
- CN111528187A CN111528187A CN202010461577.8A CN202010461577A CN111528187A CN 111528187 A CN111528187 A CN 111528187A CN 202010461577 A CN202010461577 A CN 202010461577A CN 111528187 A CN111528187 A CN 111528187A
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- Prior art keywords
- inner tube
- transmission shaft
- conveying device
- friendly
- screw
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- 241000239370 Euphausia superba Species 0.000 title claims description 22
- 238000003306 harvesting Methods 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 238000005086 pumping Methods 0.000 claims abstract description 35
- 241000239366 Euphausiacea Species 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RLLPVAHGXHCWKJ-IEBWSBKVSA-N (3-phenoxyphenyl)methyl (1s,3s)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate Chemical compound CC1(C)[C@H](C=C(Cl)Cl)[C@@H]1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-IEBWSBKVSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Screw Conveyors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a dragging power-based antarctic krill trawl continuous fishing harvesting fishery harvesting auxiliary conveying device which comprises a pumping inner tube, wherein the pumping inner tube is connected with the tail end of a sac net, the device also comprises an outer casing, a dragging hydrodynamic force driving mechanism, a gearbox and a friendly screw conveyor, the pumping inner tube is positioned in the outer casing and is led out from the inner part of the outer casing, the friendly screw conveyor is rotatably arranged in the pumping inner tube, the dragging hydrodynamic force driving mechanism is arranged behind the outer casing, a first transmission shaft of the dragging hydrodynamic force driving mechanism is connected with the input end of the gearbox, and the output end of the gearbox is connected with the friendly screw conveyor through a second transmission shaft and drives the friendly screw conveyor to rotate through the dragging hydrodynamic force driving mechanism. The invention can assist the continuous pump suction catching system to carry out auxiliary conveying of the catch, effectively prevent blockage and ensure the continuity of pump suction transfer of the catch.
Description
Technical Field
The invention belongs to the technical field of euphausia superba trawls, and particularly relates to an auxiliary conveying device for continuously fishing and harvesting euphausia superba trawls based on towing power.
Background
The continuous fishing of the euphausia superba trawl refers to a fishing mode that the trawl is pulled to move to catch the euphausia superba, and the catch collected by the trawl net sacs is synchronously transferred to a fishing boat, so that the continuous fishing is realized and the net is prevented from being pulled out. According to the pumping fishing structure capable of realizing the continuous fishing of the euphausia superba trawl, disclosed by the patent 'the continuous pumping fishing system for the euphausia superba near the ship end' (CN201811562447.2), the fishing objects collected in the bag net are pumped and transferred to a fishing ship by using a shrimp suction pump while the trawl is swept to catch, so that the continuous fishing is realized.
The existing pump suction type fishing system has the following problems in the application process, when the fishing amount is large, the tail part of the sac net is easy to block, and the distance between the fish suction pump and the trawl sac net is long, so that the suction force at the tail part of the sac net is insufficient, and the fish suction pump cannot continuously suck and transfer the fishing objects.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the euphausia superba trawl continuous fishing and catch auxiliary conveying device based on dragging power, which can assist a continuous pump suction catching system to carry out auxiliary conveying of catches, effectively prevent blockage and ensure the continuity of pump suction and transfer of catches.
The technical scheme adopted for solving the technical problems is to provide a dragging power-based euphausia superba trawl continuous fishing and harvesting auxiliary conveying device, which comprises a pumping inner tube, an outer shell cover, a dragging hydrodynamic force driving mechanism, a gearbox and a friendly spiral conveyor, wherein the pumping inner tube is positioned in the outer shell cover and led out from the inner part of the outer shell cover, the friendly spiral conveyor is rotatably arranged in the pumping inner tube, the dragging hydrodynamic force driving mechanism is arranged behind the outer shell cover, a first transmission shaft of the dragging hydrodynamic force driving mechanism is connected with the input end of the gearbox, and the output end of the gearbox is connected with the friendly spiral conveyor through a second transmission shaft and drives the friendly spiral conveyor to rotate through the dragging hydrodynamic force driving mechanism.
Drag hydrodynamic force actuating mechanism and include radome fairing, a plurality of propeller blade, collar and first transmission shaft, the rotatable installation of radome fairing inner wall is followed to the collar, first transmission shaft sets up in the center pin position of collar, a plurality of propellers are installed between collar and first transmission shaft along the even interval of circumference of first transmission shaft and angle adjustable, the medial extremity and the first transmission shaft of propeller are connected, the outside end is connected with the collar.
The drag hydrodynamic force actuating mechanism includes radome fairing, a plurality of screw and first transmission shaft, first transmission shaft sets up in the center pin position of radome fairing, a plurality of screw fixed mounting just follow the even interval distribution of circumference of first transmission shaft on first transmission shaft, the screw is located inside the radome fairing.
The friendly spiral conveyor is rotatably arranged inside the pumping inner pipe through a second mounting ring, the second mounting ring is rotatably arranged along the inner wall of the pumping inner pipe, and the friendly spiral conveyor is fixedly arranged on the second mounting ring through a mounting frame along the central shaft of the second mounting ring.
The friendly screw conveyor comprises a bullet type propeller base, a plurality of screw type blades and a plurality of streamline guide plates, wherein the screw type blades are uniformly distributed on the conical head of the bullet type propeller base along the circumferential direction, and the streamline guide plates are uniformly distributed on the cylindrical tail of the bullet type propeller base along the circumferential direction.
The friendly screw conveyor is arranged along the central shaft of the pumping inner tube, and the conical head of the bullet-shaped paddle seat faces the sac net.
The pump is inhaled the inner tube and is set up with the bottom inner wall tangent of clamshell, it fills the flotation material to inhale between inner tube and the clamshell, the top of clamshell is equipped with the crashproof floater.
The outer shell cover is connected with the pump suction inner pipe through a flange structure.
The gearbox sets up in the clamshell inside and is located the pump and inhales the inner tube outside, be connected through bearing arrangement between first transmission shaft and the clamshell, second transmission shaft and pump inhale and pass through bearing arrangement between the inner tube and be connected.
Advantageous effects
First, the present invention provides a friendly screw conveyor in a pump inner tube, and uses a drag water power driving mechanism to drive the friendly screw conveyor to rotate. On one hand, the catch entering the pumping inner tube of the pump can be uniformly mixed with water, the possibility of blockage caused by mutual accumulation of the catch can be effectively reduced, the continuity of pumping and transferring the catch of the pump is guaranteed, and the smoothness of continuous fishing of the euphausia superba trawl is improved; on the other hand, the friendly spiral conveyor continuously rotates in the pumping inner tube to play a certain boosting conveying role, and the effect of more efficiently pumping and transferring the antarctic krill can be achieved by combining the friendly spiral conveyor with the pumping catching system.
Secondly, the euphausia superba trawl is dragged and moved in-process, drag hydrodynamic drive mechanism and follow the trawl and move, can utilize the friendly auger delivery ware of hydrodynamic drive to rotate, has avoided the reliance to power drive, can be suitable for with the long-time continuous fishing under water of euphausia superba trawl.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a preferred embodiment of the drag water powered drive mechanism.
Fig. 3 is a schematic view of the installation structure of the friendly screw conveyor.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The device for continuously fishing and harvesting the fishing catch by the dragnet of the Antarctic krill based on the dragging power comprises a pumping inner pipe 1, an outer casing 3, a dragging water power driving mechanism, a gearbox 4 and a friendly screw conveyor 5. The pumping inner tube 1 is connected with the tail end of a sac net 2 of the euphausia superba trawl. The pumping inner tube 1 is connected to a shrimp suction pump for pumping out the antarctic krill collected in the sac net 2 and transferring the antarctic krill to a fishing boat, and the pumping fishing system belongs to the prior art and is not described in detail herein.
Pump with inner tube 1 and be located the inside of clamshell 3 and draw forth from clamshell 3 is inside, pump with inner tube 1 and the tangent setting of bottom inner wall of clamshell 3, clamshell 3 with pump with between inner tube 1 through flange structural connection fixed. It has foaming flotation material 11 to pump to fill between inner tube 1 and the shell cover 3, and the top of shell cover 3 is equipped with ABS external application compound polyurethane foaming anti-collision floater 12 for this auxiliary conveyor can rely on buoyancy effect suspension in the water.
A friendly screw conveyor 5 is rotatably mounted inside the pumping inner tube 1, and a drag water power drive mechanism is provided behind the housing cover 3. The first transmission shaft 6 of the dragging hydrodynamic force driving mechanism is connected with the input end of the gearbox 4, the output end of the gearbox 4 is connected with the friendly screw conveyor 5 through the second transmission shaft 7, and the friendly screw conveyor 5 is driven to rotate through the dragging hydrodynamic force driving mechanism. The gearbox 4 is arranged inside the outer housing 3 and outside the pumping inner tube 1. The first transmission shaft 6 is connected with the outer shell cover 3 through a bearing structure, and the second transmission shaft 7 is connected with the pumping inner tube 1 through a bearing structure.
A preferred configuration of the towed hydrodynamic drive mechanism is shown in fig. 2 and includes a fairing 8, a propeller 9, a mounting ring 10 and a first drive shaft 6. The mounting ring 10 is rotatably mounted along the inner wall of the fairing 8 through a ball bearing, the first transmission shaft 6 is arranged at the central axis position of the mounting ring 10, the propellers 9 are uniformly arranged between the mounting ring 10 and the first transmission shaft 6 at intervals along the circumferential direction of the first transmission shaft 6 in an angle-adjustable mode, the inner side end of each propeller 9 is connected with the first transmission shaft 6, and the outer side end of each propeller 9 is connected with the mounting ring 10. The specific structure of the blade angle adjustable mounting belongs to the prior art and is not described in detail here. The towing hydrodynamic drive mechanism can drive the propeller 9, the mounting ring 10 and the first transmission shaft 6 to integrally rotate around the central shaft of the fairing 8 by utilizing hydrodynamic force, and can adjust the upstream area by adjusting the angle of the propeller 9, so that the effect of adjusting the rotating speed of the friendly screw conveyor 5 can be achieved.
Of course, the drag water power drive mechanism may also be configured to include the cowling 8, the propeller 9 and the first drive shaft 6. First transmission shaft 6 sets up in the central axis position of radome fairing 8, and screw 9 fixed mounting is on first transmission shaft 6, and along the even interval distribution of circumference of first transmission shaft 6, and screw 9 is located radome fairing 8 inside, can utilize hydrodynamic drive first transmission shaft 6 to rotate and then drive friendly auger delivery ware 5 rotatory.
As shown in fig. 3, the friendly auger 5 includes a bullet-shaped paddle base 5-1, three screw-shaped paddles 5-2, and 7 flow-type guide plates 5-3. The spiral blades 5-2 are uniformly distributed on the conical head of the bullet-shaped blade seat 5-1 along the circumferential direction, and the streamline guide plates 5-3 are uniformly distributed on the cylindrical tail of the bullet-shaped blade seat 5-1 along the circumferential direction. Through the structural design of the friendly screw conveyor 5, the resistance in the pumping inner pipe 1 can be effectively reduced, and the damage of the friendly screw conveyor 5 to the fishery catch in the rotating process is reduced.
As shown in fig. 3, the friendly screw conveyor 5 is rotatably installed inside the pumping inner tube 1 by a second mounting ring 13. The second mounting ring 13 is rotatably mounted along the inner wall of the pumping inner tube 1 by means of ball bearings, the friendly screw conveyor 5 is fixedly mounted on the second mounting ring 13 along the central axis of the second mounting ring 13 by means of a mounting bracket, and the tapered head of the bullet-shaped paddle socket 5-1 faces the sac net 2. The friendly spiral conveyor 5 and the second mounting ring 13 can be driven to rotate around the central shaft of the pumping inner tube 1 through the second transmission shaft 7, so that the catch entering the pumping inner tube 1 can be uniformly mixed with water, the possibility of blockage caused by mutual accumulation of the catch is reduced, and a certain boosting conveying effect can be exerted.
Claims (9)
1. The utility model provides a antarctic krill trawl catches fishing in succession and catches auxiliary conveyor based on drag power, includes that pump suction inner tube (1), pump suction inner tube (1) and the end connection of bag net (2), its characterized in that: the pump is characterized by further comprising an outer housing cover (3), a dragging hydrodynamic force driving mechanism, a gearbox (4) and a friendly type screw conveyor (5), wherein the pump suction inner tube (1) is located inside the outer housing cover (3) and is led out from the inside of the outer housing cover (3), the friendly type screw conveyor (5) is rotatably installed inside the pump suction inner tube (1), the dragging hydrodynamic force driving mechanism is arranged behind the outer housing cover (3), a first transmission shaft (6) of the dragging hydrodynamic force driving mechanism is connected with the input end of the gearbox (4), and the output end of the gearbox (4) is connected with the friendly type screw conveyor (5) through a second transmission shaft (7) and drives the friendly type screw conveyor (5) to rotate through the dragging hydrodynamic force driving mechanism.
2. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 1, wherein: drag hydrodynamic force actuating mechanism and include radome fairing (8), a plurality of screw (9), collar (10) and first transmission shaft (6), the rotatable installation of radome fairing (8) inner wall is followed in collar (10), first transmission shaft (6) set up in the center pin position of collar (10), a plurality of screw (9) are installed between collar (10) and first transmission shaft (6) along the even interval of circumference and angle adjustable of first transmission shaft (6), the medial extremity and the first transmission shaft (6) of screw (9) are connected, the outside end is connected with collar (10).
3. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 1, wherein: drag hydrodynamic force actuating mechanism and include radome fairing (8), a plurality of screw (9) and first transmission shaft (6), first transmission shaft (6) set up in the center pin position of radome fairing (8), a plurality of screw (9) fixed mounting just follow the even interval distribution of circumference of first transmission shaft (6) on first transmission shaft (6), screw (9) are located inside radome fairing (8).
4. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 1, wherein: the friendly spiral conveyor (5) is rotatably installed inside the pumping inner tube (1) through a second installation ring (13), the second installation ring (13) is rotatably installed along the inner wall of the pumping inner tube (1), and the friendly spiral conveyor (5) is fixedly installed on the second installation ring (13) through a mounting frame along the central shaft of the second installation ring (13).
5. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 1, wherein: the friendly screw conveyor (5) comprises a bullet type propeller base (5-1), a plurality of screw type blades (5-2) and a plurality of streamline guide plates (5-3), wherein the screw type blades (5-2) are uniformly distributed on the conical head of the bullet type propeller base (5-1) along the circumferential direction, and the streamline guide plates (5-3) are uniformly distributed on the cylindrical tail of the bullet type propeller base (5-1) along the circumferential direction.
6. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 5, wherein: the friendly screw conveyor (5) is arranged along the central shaft of the pumping inner tube (1) and the conical head of the bullet-shaped paddle seat (5-1) faces the sac net (2).
7. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 1, wherein: the pump is pumped the tangent setting of bottom inner wall of inner tube (1) and shell cover (3), pump and fill float (11) between inner tube (1) and shell cover (3), the top of shell cover (3) is equipped with crashproof floater (12).
8. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 1, wherein: the outer shell cover (3) is connected with the pumping inner tube (1) through a flange structure.
9. The auxiliary conveying device for the continuous fishing of the euphausia superba trawl based on the towing power as claimed in claim 1, wherein: gearbox (4) set up in that shell cover (3) is inside and be located and pump inner tube (1) outside of pumping, be connected through bearing arrangement between first transmission shaft (6) and the shell cover (3), second transmission shaft (7) and pump are connected through bearing arrangement between inner tube (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461577.8A CN111528187B (en) | 2020-05-27 | 2020-05-27 | Auxiliary conveying device for euphausia superba trawl continuous fishing based on towing power |
| PCT/CN2020/110202 WO2021237956A1 (en) | 2020-05-27 | 2020-08-20 | Towing power-based fishing-assistance conveying device for continuous catching of antarctic krill using trawl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461577.8A CN111528187B (en) | 2020-05-27 | 2020-05-27 | Auxiliary conveying device for euphausia superba trawl continuous fishing based on towing power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111528187A true CN111528187A (en) | 2020-08-14 |
| CN111528187B CN111528187B (en) | 2024-06-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010461577.8A Active CN111528187B (en) | 2020-05-27 | 2020-05-27 | Auxiliary conveying device for euphausia superba trawl continuous fishing based on towing power |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111528187B (en) |
| WO (1) | WO2021237956A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021237956A1 (en) * | 2020-05-27 | 2021-12-02 | 中国水产科学研究院东海水产研究所 | Towing power-based fishing-assistance conveying device for continuous catching of antarctic krill using trawl |
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| WO2021237956A1 (en) | 2021-12-02 |
| CN111528187B (en) | 2024-06-18 |
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