CN113647362B - Can adjust equipment of catching of mao shrimp of catching degree of depth - Google Patents
Can adjust equipment of catching of mao shrimp of catching degree of depth Download PDFInfo
- Publication number
- CN113647362B CN113647362B CN202110832060.XA CN202110832060A CN113647362B CN 113647362 B CN113647362 B CN 113647362B CN 202110832060 A CN202110832060 A CN 202110832060A CN 113647362 B CN113647362 B CN 113647362B
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- traction rope
- bobbin
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- 241000238557 Decapoda Species 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000013505 freshwater Substances 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims description 21
- 241000114726 Acetes Species 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 241000238559 Macrobrachium Species 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 241000058338 Macrobrachium nipponense Species 0.000 claims description 4
- 241000238017 Astacoidea Species 0.000 abstract description 29
- 239000013535 sea water Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 241000114727 Acetes chinensis Species 0.000 description 2
- 241001125843 Trichiuridae Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000010975 amethyst Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009182 swimming Effects 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
- A01K73/12—Nets held vertically in the water, e.g. seines
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Mechanical Means For Catching Fish (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a crayfish catching device capable of adjusting catching depth, and aims to provide a crayfish catching device capable of adjusting catching depth, wherein the water layer depth of a catching net can be timely and reliably adjusted according to needs, and whether the water layer of the catching net is consistent with the water layer of the crayfish can be judged, so that an operator can timely adjust the water layer depth of the catching net, and the catching efficiency of the crayfish is improved. The fishing device comprises a fishing boat, a freshwater shrimp fishing net, a floating frame floating on the sea surface, a first guide ring and a second guide ring which are arranged on the floating frame, a first bobbin, a second bobbin, a third bobbin and a fourth bobbin which are rotationally arranged on the fishing boat, a first traction rope wound on the first bobbin, a second traction rope wound on the second bobbin, a third traction rope wound on the third bobbin and a fourth traction rope wound on the fourth bobbin.
Description
Technical Field
The invention relates to a crayfish catching device, in particular to a crayfish catching device capable of adjusting catching depth.
Background
Acetes chinensis often inhabit in groups in shallow seas at the bottom of silt with water depths not exceeding 50 meters in river mouths, estuaries and islands. The freshwater shrimps inhabit the middle and lower layers of the seawater generally, and can rise to the middle and upper layers in summer and autumn. The Acetes chinensis is weak in swimming ability and reciprocates along with rising and falling tides.
In the existing hairtail shrimp fishing, a fishing net is adopted for fishing, and after the fishing net is thrown into seawater (the net port of the fishing net is connected with a fishing boat through a traction rope), the fishing net is automatically unfolded under the action of tide; in the fishing process, the fishing boat and the fishing net generally do not need to move in the horizontal direction, and the crayfishes are left in the fishing net in the process of mainly utilizing the tide flowing through the fishing net so as to realize the fishing of the crayfishes. The existing crayfish fishing has the following defects that after the fishing net is thrown into seawater, the depth of a water layer where the fishing net is located cannot be reliably adjusted, the fishing net is not beneficial to being adjusted into the water layer where the crayfish is located, and the efficiency of the crayfish fishing is influenced; on the other hand, in the fishing process, whether the water layer where the fishing net is located is consistent with the water layer where the acete chinensis is located cannot be judged in time, and the fishing efficiency of the acete chinensis is greatly influenced by the fortune and experience.
Disclosure of Invention
The invention aims to provide the crayfish catching device capable of adjusting the catching depth, which can timely and reliably adjust the depth of the water layer where the catching net is located according to the needs, and can judge whether the water layer where the catching net is located is consistent with the water layer where the crayfish is located, so that an operator can timely adjust the depth of the water layer where the catching net is located, and the catching efficiency of the crayfish is improved.
The technical scheme of the invention is as follows:
a macrobrachium chinensis fishing device capable of adjusting fishing depth comprises a fishing ship, a macrobrachium chinensis fishing net, a floating frame floating on sea surface, a first guide ring and a second guide ring which are arranged on the floating frame, a first winding drum, a second winding drum, a third winding drum and a fourth winding drum which are rotatably arranged on the fishing ship, a first traction rope wound on the first winding drum, a second traction rope wound on the second winding drum, a third traction rope wound on the third winding drum and a fourth traction rope wound on the fourth winding drum, wherein the free end of the first traction rope is connected with the floating frame, the fishing ship and the floating frame are sequentially distributed along the flow direction of tidal water, the first guide ring and the second guide ring are sequentially distributed along the flow direction of the tidal water, the second traction rope penetrates through the first guide ring, the free end of the second traction rope is connected with a counterweight anchor, and the counterweight anchor sinks to the sea bottom, a second traction rope between the first guide ring and the counterweight anchor forms a vertical guide rope; a limiting ring is arranged on a net port of the freshwater shrimp catching net, and a vertical guide rope penetrates through the limiting ring; the third traction rope penetrates through the first guide ring, and the free end of the third traction rope is connected with the upper part of the net port of the freshwater shrimp catching net; the fourth haulage rope passes through the second guide ring, and the free end of fourth haulage rope links to each other with the afterbody of shrimp fishing net, still is equipped with force transducer on the fourth haulage rope that is located the fourth bobbin outside. The water layer degree of depth that the net was located is caught in timely and reliable regulation not only to the acete chinensis fishing equipment of this scheme can judge moreover that the water layer that the net was located is unanimous with the water layer that the acete chinensis was located to the regulation that makes the operator can be timely catches the water layer degree of depth that the net was located, with the efficiency of catching of amethyst is improved.
Preferably, the distance between the first guide ring and the second guide ring is the same as the length of the freshwater shrimp catching net.
Preferably, a balancing weight is further arranged below the net port of the freshwater shrimp catching net and is connected with the lower part of the net port of the freshwater shrimp catching net through a connecting rope.
Preferably, the number of the limiting rings is two, one limiting ring is distributed on the upper part of the net opening of the shrimp catching net, the other limiting ring is distributed on the lower part of the net opening of the shrimp catching net, and the vertical guide rope sequentially penetrates through the two limiting rings.
Preferably, the net port of the freshwater shrimp catching net is provided with a circular ring-shaped iron hoop for fixing the net port.
Preferably, the spacing ring is fixed on the circular iron hoop.
Preferably, the fishing boat is provided with a first motor for driving the first reel to rotate.
Preferably, the fishing boat is provided with a second motor for driving the second reel to rotate.
Preferably, the third bobbin and the fourth bobbin are fixed on the same horizontal shaft, and a third motor for driving the horizontal shaft to rotate is arranged on the fishing ship.
The invention has the beneficial effects that: not only can in time reliably adjust the water layer degree of depth that the net was located as required, can judge moreover that the water layer that the net was located is unanimous with the water layer that the shrimp was located to make the operator can be timely the water layer degree of depth that the net was located of adjusting to catch, with the efficiency of fishing for the shrimp.
Drawings
Fig. 1 is a schematic structural view of a macrobrachium nipponensis fishing apparatus capable of adjusting a fishing depth of the present invention.
Fig. 2 is a partial structural view in the direction a of fig. 1.
Fig. 3 is a partial enlarged view of B in fig. 1.
In the figure:
a fishing vessel 1;
a freshwater shrimp catching net 2 and a limiting ring 2.1;
a floating frame 3, a first guide ring 3.1 and a second guide ring 3.2;
a first bobbin 4.1, a second bobbin 4.2, a third bobbin 4.3, a fourth bobbin 4.4;
a first traction rope 5;
a second hauling rope 6, a vertical guiding rope 6.1;
a third traction rope 7;
a fourth traction rope 8;
a counterweight anchor 9;
a tension sensor 10;
and a counterweight 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1, 2 and 3, the equipment for catching the macrobrachium capable of adjusting the catching depth comprises a catching boat 1, a macrobrachium catching net 2, a floating frame 3 floating on the sea surface, a first guide ring 3.1 and a second guide ring 3.2 arranged on the floating frame, a first bobbin 4.1, a second bobbin 4.2, a third bobbin 4.3 and a fourth bobbin 4.4 which are rotatably arranged on the catching boat, a first traction rope 5 wound on the first bobbin, a second traction rope 6 wound on the second bobbin, a third traction rope 7 wound on the third bobbin and a fourth traction rope 8 wound on the fourth bobbin. Specifically, the deck edge of the fishing boat is provided with a rack, a first bobbin, a second bobbin, a third bobbin and a fourth bobbin are rotatably arranged on the rack, and the first bobbin, the second bobbin, the third bobbin and the fourth bobbin can be driven to rotate manually or driven to rotate by a driving motor. In the embodiment, a first motor for driving the first winding reel to rotate is arranged on the fishing boat; a second motor for driving the second winding reel to rotate is arranged on the fishing ship; the third bobbin and the fourth bobbin are fixed on the same horizontal shaft rod, and a third motor used for driving the horizontal shaft rod to rotate is arranged on the fishing ship.
The free end of the first hauling rope 5 is connected with the floating frame 3. The fishing boat and the floating frame are sequentially distributed along the flow direction of the tidal water, and the first traction rope is in a stretched state under the action of the tidal water. The first guide ring and the second guide ring are sequentially distributed along the tidal water flowing direction. In actual operation, the first traction rope can be released or retracted by rotating the first winding reel so as to adjust the release length of the first traction rope, and therefore the distance between the floating frame and the fishing boat can be adjusted.
The second traction rope 6 passes through the first guide ring 3.1. The free end of the second haulage rope is connected with a counterweight anchor 9, which is sunk to the seabed. The second pull line between the first guide ring and the counterweight anchor forms a vertical guide line 6.1. In this embodiment, the vertical guide rope is in a straightened state. Be equipped with spacing ring 2.1 on the net gape of the net is caught to the shrimp, vertical guide rope passes the spacing ring to make the shrimp catch net can reciprocate along vertical guide rope. Under the action of tidal water, the net port of the freshwater shrimp catching net faces the catching boat, and the freshwater shrimp catching net is in a straightened state from the net port to the tail of the freshwater shrimp catching net.
The third hauling rope 7 passes through the first guide ring 3.1, and the free end of the third hauling rope is connected with the upper part of the net mouth of the shrimp catching net. The lower part of the net port of the freshwater shrimp catching net is also provided with a balancing weight 11 which is connected with the lower part of the net port of the freshwater shrimp catching net through a connecting rope. So, can release or pack up the third haulage rope through rotatory third bobbin among the actual operation to adjust the release length of third haulage rope, thereby adjust the net gape of shrimp fishing net on vertical guide rope, and then adjust and catch the water layer degree of depth that the net was located.
The fourth hauling rope 8 passes through the second guide ring 3.2, and the free end of the fourth hauling rope is connected with the tail part of the shrimp catching net. And a tension sensor 10 is also arranged on the fourth traction rope positioned outside the fourth bobbin. In this embodiment, the tension sensor is located on the fourth hauling rope between the fourth bobbin and the second guide ring, and is used for sensing the tension applied to the tension sensor by the fourth hauling rope at the tail of the shrimp catching net.
The hairtail fishing equipment of the embodiment is practically used as follows:
firstly, a third motor drives a third bobbin and a fourth bobbin to synchronously rotate so as to adjust the release lengths of a third traction rope and a fourth traction rope, so that the acete chinensis fishing net is adjusted downwards into lower-layer seawater along a vertical guide rope; under the action of tidal water, the net port of the freshwater shrimp catching net faces the catching boat, and the freshwater shrimp catching net is in a straightened state from the net port to the tail of the freshwater shrimp catching net; the fourth traction rope between the second guide ring and the tail part of the shrimp catching net is in a stretched state, and the length of the fourth traction rope between the second guide ring and the tail part of the shrimp catching net is the same as the length of the third traction rope between the first guide ring and the net mouth of the shrimp catching net;
secondly, keeping the depth of the crayfish catching net in the lower layer seawater still, catching the crayfish in the layer seawater, and monitoring the tension of the tail of the crayfish catching net acting on the tension sensor through a fourth traction rope in real time by the tension sensor in the process; if the change of the tension force of the tail of the crayfish catching net acting on the tension sensor through the fourth traction rope is larger than a set value after a set time, the fact that a large number of crayfish are gathered at the tail of the crayfish catching net is indicated, the tail of the crayfish catching net sinks, and therefore the change of the tension force of the fourth traction rope acting on the tension sensor is larger than the set value, namely the depth of a water layer where the crayfish catching net is located at the moment is consistent with that of the water layer where the crayfish is located, and the crayfish catching net continues to be kept at the depth for catching;
if the change of the tension force of the tail of the shrimp catching net acting on the tension sensor through the fourth traction rope is smaller than a set value after a set time, the shrimp amount gathered by the tail of the shrimp catching net is smaller or even none, that is, the depth of a water layer where the shrimp catching net is located at the moment is inconsistent with the depth of the water layer where the shrimps are located, the third winding drum and the fourth winding drum are driven to synchronously rotate through the third motor, the release lengths of the third traction rope and the fourth traction rope are retracted, and the shrimp catching net is moved upwards to a specified depth along the vertical guide rope;
thirdly, returning to the second step, and circulating in the same way until the depth of the water layer where the crayfish fishing net is located is adjusted to be consistent with that of the water layer where the crayfish is located, and then continuously keeping the depth of the crayfish fishing net for fishing;
therefore, whether the water layer where the catching net is located is consistent with the water layer where the crayfishes are located or not can be judged, so that an operator can adjust the depth of the water layer where the catching net is located in time, and the catching efficiency of the crayfishes is improved.
In this embodiment, the distance between the first guide ring and the second guide ring is the same as the length of the catching net for the macrobrachium nipponensis.
The number of the limiting rings is two, one limiting ring is distributed on the upper portion of the net opening of the freshwater shrimp catching net, and the other limiting ring is distributed on the lower portion of the net opening of the freshwater shrimp catching net. The vertical guide rope passes through the two limiting rings in sequence. So, be favorable to improving the stability that the net reciprocated along vertical guide rope is caught to the acete chinensis.
The net mouth of the freshwater shrimp catching net is provided with a circular iron hoop for fixing the net mouth. The limiting ring is fixed on the circular iron hoop.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. A macrobrachium fishing device capable of adjusting fishing depth is characterized by comprising a fishing ship, a macrobrachium fishing net, a floating frame floating on the sea surface, a first guide ring and a second guide ring which are arranged on the floating frame, a first winding drum, a second winding drum, a third winding drum and a fourth winding drum which are rotatably arranged on the fishing ship, a first traction rope wound on the first winding drum, a second traction rope wound on the second winding drum, a third traction rope wound on the third winding drum and a fourth traction rope wound on the fourth winding drum,
the free end of the first hauling rope is connected with the floating frame, the fishing boat and the floating frame are sequentially distributed along the flow direction of the tide water, the first guide ring and the second guide ring are sequentially distributed along the flow direction of the tide water,
the second traction rope passes through the first guide ring, the free end of the second traction rope is connected with a counterweight anchor, the counterweight anchor is sunk to the seabed, and the second traction rope between the first guide ring and the counterweight anchor forms a vertical guide rope;
a limiting ring is arranged on a net port of the freshwater shrimp catching net, and a vertical guide rope penetrates through the limiting ring;
the third traction rope penetrates through the first guide ring, and the free end of the third traction rope is connected with the upper part of the net port of the freshwater shrimp catching net;
the fourth traction rope penetrates through the second guide ring, the free end of the fourth traction rope is connected with the tail of the catching net for the shrimps, and a tension sensor is further arranged on the fourth traction rope positioned on the outer side of the fourth bobbin;
the distance between the first guide ring and the second guide ring is the same as the length of the catching net for the macrobrachium nipponensis.
2. The shrimp fishing equipment capable of adjusting the fishing depth as claimed in claim 1, wherein a counter weight is further arranged below the net mouth of the shrimp fishing net, and the counter weight is connected with the lower part of the net mouth of the shrimp fishing net through a connecting rope.
3. The acete chinensis fishing device capable of adjusting the fishing depth is characterized in that the number of the limiting rings is two, one limiting ring is distributed on the upper portion of a net opening of the acete chinensis fishing net, the other limiting ring is distributed on the lower portion of the net opening of the acete chinensis fishing net, and the vertical guide rope sequentially penetrates through the two limiting rings.
4. The acete chinensis fishing device capable of adjusting the fishing depth as claimed in claim 1 or 2, wherein the net port of the acete chinensis fishing net is provided with a circular iron hoop for fixing the net port.
5. The apparatus for catching acete chinensis capable of adjusting the catching depth as claimed in claim 4, wherein the limiting ring is fixed on a circular iron hoop.
6. The apparatus for catching the macrobrachium capable of adjusting the catching depth as claimed in claim 1 or 2, wherein the catching boat is provided with a first motor for driving the first bobbin to rotate.
7. The apparatus for catching acete chinensis capable of adjusting the catching depth as claimed in claim 1 or 2, wherein a second motor for driving the second bobbin to rotate is provided on the catching boat.
8. The apparatus for catching the macrobrachium nipponensis capable of adjusting the catching depth as claimed in claim 1 or 2, wherein the third bobbin and the fourth bobbin are fixed on the same horizontal shaft, and a third motor for driving the horizontal shaft to rotate is provided on the catching boat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110832060.XA CN113647362B (en) | 2021-07-22 | 2021-07-22 | Can adjust equipment of catching of mao shrimp of catching degree of depth |
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| CN202110832060.XA CN113647362B (en) | 2021-07-22 | 2021-07-22 | Can adjust equipment of catching of mao shrimp of catching degree of depth |
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| CN113647362B true CN113647362B (en) | 2022-08-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114982723B (en) * | 2022-06-10 | 2023-04-07 | 浙江省海洋水产研究所 | Artificial fish collecting device for tuna purse seine fishery |
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| CN111248166A (en) * | 2020-03-19 | 2020-06-09 | 得达海洋工程(上海)有限公司 | Fishing system of breeding equipment |
| CN111869633A (en) * | 2020-05-25 | 2020-11-03 | 浙江海洋大学 | Rotary multi-net-bag trawl |
| CN111513035A (en) * | 2020-05-27 | 2020-08-11 | 中国水产科学研究院东海水产研究所 | Euphausia superba trawl changes water layer and adjusts truss structure |
| CN111820194A (en) * | 2020-06-01 | 2020-10-27 | 中国水产科学研究院东海水产研究所 | Euphausia superba trawl aiming fishing method based on shrimp swarm density detection |
| CN111990346A (en) * | 2020-08-19 | 2020-11-27 | 中国水产科学研究院东海水产研究所 | Euphausia superba trawl net plate water changing layer adjusting mechanism and method thereof |
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