CN113180019A - Freshwater shrimp's equipment of catching in winter - Google Patents
Freshwater shrimp's equipment of catching in winter Download PDFInfo
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- CN113180019A CN113180019A CN202110522179.7A CN202110522179A CN113180019A CN 113180019 A CN113180019 A CN 113180019A CN 202110522179 A CN202110522179 A CN 202110522179A CN 113180019 A CN113180019 A CN 113180019A
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- 239000013505 freshwater Substances 0.000 title claims abstract description 76
- 241000238557 Decapoda Species 0.000 title claims abstract description 46
- 241000143060 Americamysis bahia Species 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000008093 supporting effect Effects 0.000 description 7
- 241001113556 Elodea Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009182 swimming Effects 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
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- 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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Abstract
The invention discloses a device for fishing freshwater shrimps in winter, which comprises a frame, a first fishing net, a collecting box and moving wheels, wherein the moving wheels for moving on a water bottom mud surface are arranged at the bottom of the frame, a first fixing rod is elastically connected to the frame, the first fishing net is arranged on the frame, the end part of the first fixing rod is connected with the first fishing net, so that one end of the first fishing net is attached to the water bottom mud surface, the collecting box is arranged on the frame, one end of the collecting box is provided with a first inlet, and the other end of the first fishing net is connected to the first inlet. Through moving on the mud face of pond bottom, keep first catching throughout and net the interface or the interface of water with mud and move, can make catching the net all the time with frame elastic connection's first dead lever when the mud face is not at ordinary times and laminate with the mud face, the freshwater shrimp is collected by first catching the net and is collected the collection incasement, mud and shrimp are difficult to mix together, the shrimp is difficult for being injured, pasture and shrimp are difficult for interweaving together, improve and catch quality and catch efficiency, reach the purpose of high-efficient catching.
Description
Technical Field
The invention relates to the technical field of freshwater shrimp fishing, in particular to freshwater shrimp fishing equipment in winter.
Background
At present, the freshwater shrimps are generally caught by ground cages, the freshwater shrimps have the habit of drilling holes, and in the processes of ingestion and swimming, the freshwater shrimps can drill into the ground cages from holes on two sides of the ground cages and are lifted up periodically, so that the purpose of collecting and catching is achieved.
However, in winter, the freshwater shrimps are hidden at the bottom of the pond, the activity is weak, the freshwater shrimps cannot move actively, and the effect of fishing cannot be achieved by using the ground cage.
In winter, the freshwater shrimps are high in price in the busy season of sale, particularly in holidays, but due to the difficulty in fishing, the freshwater shrimps in the pond can not be sold, so that the freshwater shrimps cannot be evenly sold in the market to meet the consumption demand of people on the freshwater shrimps. Great loss is brought to the freshwater shrimp culture.
At present, a method of pulling a supporting net is generally adopted for catching freshwater shrimps in winter.
The foot line of the supporting net is often sunk into mud in the pulling process, the mud and the shrimps are mixed together, the sorting is difficult, the shrimps are easy to be injured, and the product quality is influenced; when the foot line is suspended, the fishing effect is poor. In the pond with a small amount of waterweeds, the waterweeds and the shrimps are interwoven together during fishing, so that the effect of effective fishing cannot be achieved.
Therefore, how to provide a device for catching freshwater shrimps in winter to improve the catching quality and the catching efficiency is a technical problem to be solved urgently by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide equipment for catching freshwater shrimps in winter, so as to improve the catching quality and the catching efficiency.
In order to solve the technical problems, the invention provides the following scheme:
a device for catching freshwater shrimps in winter, which comprises a frame, a first catching net, a collecting box and a movable wheel, wherein,
the bottom of the frame is provided with the moving wheels which are used for moving on the underwater mud surface,
the frame is provided with a first fixed rod, the first fishing net is arranged on the frame, the end part of the first fixed rod is connected with the first fishing net so that one end of the first fishing net is attached to the underwater mud surface,
the collecting box is arranged on the frame, one end of the collecting box is provided with a first inlet, and the other end of the first fishing net is connected to the first inlet.
Preferably, the freshwater shrimp winter fishing device further comprises a second fishing net, the second fishing net and the first fishing net are positioned at two sides of the collecting box,
the frame is provided with a second fixed rod, the second fishing net is arranged on the frame, the end part of the second fixed rod is connected with the second fishing net so that one end of the second fishing net is attached to the underwater mud surface,
the other end of the collecting box is provided with a second inlet, and the other end of the second fishing net is connected to the second inlet.
Preferably, the middle of the collecting box is provided with a middle pocket net to divide the collecting box into a left box body and a right box body,
the net port of the middle pocket net is fixed on the inner wall of the collecting box, the net body of the middle pocket net is a flexible net body,
when the collecting box moves towards one direction, the net body of the middle pocket net swings to the other direction.
Preferably, the upper cover of the collecting box is a half-cover net which is rotatably arranged,
when the collecting box moves towards one direction, the half-cover net rotates towards the direction to be matched with the net port of the middle pocket net to form a closed passage, and the net body of the middle pocket net swings to the other direction.
Preferably, the first inlet is provided at an upper portion of an end surface of the collection tank, and a lower portion of the collection tank forms a groove for storage.
Preferably, the first catching net comprises a flat net, two side nets and an inclined net,
the two side nets connect the two sides of the flat net and the inclined net,
one end of the flat net is attached to the underwater mud surface, a concave arc-shaped edge is arranged at the end of the flat net, the other end of the flat net is connected with one end of the inclined net, and the other end of the inclined net is connected with the first inlet.
Preferably, the frame is a rectangular frame formed by two opposite connecting rods and two opposite side rods, the connecting rods are detachably connected with the side rods,
and the two side rods are provided with box frames for fixing two sides of the collecting box.
Preferably, the first fixing rod comprises an inner fixing rod and an outer fixing rod,
the inner fixing rod is supported on the inner side of the first fishing net, and the outer fixing rod is supported on the outer side of the first fishing net.
Preferably, two sides of one end of the flat net of the first fishing net are respectively provided with one inner fixing rod, and two sides of the other end of the flat net of the first fishing net are respectively provided with one outer fixing rod.
Preferably, an end line is connected between the two outer fixing rods and is flush with one end of the first fishing net.
The device for catching the freshwater shrimps in winter provided by the invention comprises a frame, a first catching net, a collecting box and a moving wheel, wherein,
the bottom of the frame is provided with the moving wheels which are used for moving on the underwater mud surface,
the frame is elastically connected with a first fixing rod, the first fishing net is arranged on the frame, the end part of the first fixing rod is connected with the first fishing net so that one end of the first fishing net is attached to the underwater mud surface,
the collecting box is arranged on the frame, one end of the collecting box is provided with a first inlet, and the other end of the first fishing net is connected to the first inlet.
According to the freshwater shrimp winter fishing equipment provided by the invention, the first fishing net is always kept to move on the interface or interface between water and mud by moving on the mud surface at the bottom of the pond, and the fishing net can be always attached to the mud surface by the first fixing rod elastically connected with the frame when the mud surface is not normal, so that freshwater shrimps can be collected into the collecting box by the first fishing net, the situation that mud and shrimps are mixed together is not easy to happen, the shrimps are not easy to be injured, the situation that aquatic plants and the shrimps are interwoven together is not easy to happen, the fishing quality and the fishing efficiency are improved, and the purpose of efficient fishing is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a winter fishing apparatus for freshwater shrimps according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a frame according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first fishing net according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a collecting box provided by an embodiment of the invention;
fig. 5 is a schematic structural view of a middle tuck net arranged on the collecting box provided by the embodiment of the invention.
In the above FIGS. 1-5:
the fishing net comprises a first fishing net 1, a second fishing net 2, a collecting box 3, a frame 4, a moving wheel 5, a side rod 6, a connecting rod 7, a box frame 8, an end line 9, a tension ring 10, an outer fixing rod 11, an inner fixing rod 12, a second fixing rod 13, a flat net 14, a side net 15, an inclined net 16, a concave arc-shaped edge 17, a second inlet 18, a groove 19, a middle pocket net 20, a net opening 21, a half-cover net 22 and a first inlet 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Meanwhile, in order to make those skilled in the art better understand the scheme of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a winter fishing device for freshwater shrimps according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of a frame according to an embodiment of the present invention; fig. 3 is a schematic structural view of a first fishing net according to an embodiment of the present invention; FIG. 4 is a schematic structural diagram of a collecting box provided by an embodiment of the invention; fig. 5 is a schematic structural view of a middle tuck net arranged on the collecting box provided by the embodiment of the invention.
The freshwater shrimp winter fishing device provided by the embodiment of the invention comprises a frame 4, a first fishing net 1, a collecting box 3 and a moving wheel 5, wherein,
the bottom of the frame 4 is provided with moving wheels 5 for moving over the bottom mud surface,
the frame 4 is elastically connected with a first fixed rod, the first fishing net 1 is arranged on the frame 4, the end part of the first fixed rod is connected with the first fishing net 1 so that one end of the first fishing net 1 is attached to the underwater mud surface,
the collecting tank 3 is provided on the frame 4, one end of the collecting tank 3 is provided with a first inlet 23, and the other end of the first fishing net 1 is connected to the first inlet 23.
According to the freshwater shrimp winter fishing equipment provided by the embodiment of the invention, the first fishing net 1 is always kept to move on a water-mud interface or interface by moving on the mud surface at the bottom of the pond, and the fishing net can be always attached to the mud surface by the first fixing rod elastically connected with the frame 4 when the mud surface is not flat, so that freshwater shrimps can be collected into the collecting box 3 by the first fishing net 1, the situation that mud and shrimps are mixed together is not easy to happen, the shrimps are not easy to be injured, the situation that aquatic plants and shrimps are interwoven together is not easy to happen, the fishing quality and the fishing efficiency are improved, and the purpose of efficient fishing is achieved.
In order to further optimize the scheme, the freshwater shrimp winter fishing device also comprises a second fishing net 2, the second fishing net 2 and the first fishing net 1 are positioned at two sides of the collecting box 3,
a second fixed rod 13 is arranged on the frame 4, the second fishing net 2 is arranged on the frame 4, the end part of the second fixed rod 13 is connected with the second fishing net 2 to ensure that one end of the second fishing net 2 is attached to the underwater mud surface,
the other end of the collecting tank 3 is provided with a second inlet 18 and the other end of the second fishing net 2 is connected to the second inlet 18.
Through respectively setting up a fishing net in the both sides of collecting box 3, the homoenergetic collection shrimp is controlled about collecting box 3, and it is more convenient to use to collection efficiency has been improved. In practical use, for example, when the freshwater shrimp catching device in winter provided by the embodiment of the invention is pulled to the boundary end point of a pond, the freshwater shrimp catching device is adjacently moved by one parking space, the freshwater shrimp catching device can be pulled back to collect without turning, and the freshwater shrimp catching device is pulled repeatedly in such a way, so that the collecting efficiency is higher.
In order to further optimize the above scheme, a middle pocket net 20 is arranged in the middle of the collecting box 3 to divide the collecting box 3 into a left box body and a right box body,
the net mouth 21 of the middle pocket net 20 is fixed on the inner wall of the collecting box 3, the net body of the middle pocket net 20 is a flexible net body,
when the collecting chamber 3 moves in one direction, the net body of the middle net 20 swings to the other direction.
When the collecting box 3 moves left and right, the net bag of the middle bag net 20 can swing right and left, and the functions of water permeation and shrimp collection are achieved.
In order to further optimize the solution, the upper cover of the collecting tank 3 is a half-cover net 22, the half-cover net 22 is rotatably arranged,
when the collecting chamber 3 moves in one direction, the half-cover net 22 rotates in that direction to form a closed path in cooperation with the mouth 21 of the middle net 20, and the net body of the middle net 20 swings in the other direction.
In practical use, the area of the half cover net 22 can be set to be half of the upper end surface of the collecting box 3, one side edge of the half cover net 22 rotates around the middle rod of the upper end surface of the collecting box 3, the left side and the right side are turned over, and the left side and the right side are closed as required.
For example, when the collecting chamber 3 moves leftward, the net body of the middle net 20 is washed by water to the right of the collecting chamber 3, and the half net 22 is turned over leftward to form a closed passage in cooperation with the net mouth 21 of the middle net 20 to the left of the collecting chamber 3; when the collecting box 31 moves rightwards, the net body of the middle net 20 is flushed to the left side of the collecting box 3 by water, the half-cover net 22 is turned rightwards to cover, and a closed passage on the right side of the collecting box 3 is formed by matching with the net port 21 of the middle net 20, so that shrimps are prevented from leaking out.
In order to further optimize the solution described above, the first inlet 23 is arranged on the upper part of the end surface of the collecting chamber 3, the second inlet 18 is arranged on the upper part of the end surface of the other end of the collecting chamber 3, and the lower part of the collecting chamber 3 forms a recess 19 for storage. Incoming shrimps from the first and second catching nets 1 and 2 will fall into the recess 19.
In order to further optimize the solution described above, the first fishing net 1 comprises a flat net 14, two side nets 15 and a tilted net 16,
two side wires 15 connect the flat wire 14 and the inclined wire 16 on both sides,
one end of the flat net 14 is attached to the underwater mud surface and is provided with a concave arc-shaped edge 17, the other end of the flat net 14 is connected with one end of the inclined net 16, and the other end of the inclined net 16 is connected with the first inlet 23.
The one end laminating of flat net 14 is on submarine mud face and this end is provided with concave arc shape limit 17, and this concave arc is sunken towards the middle part of collecting box 3, can more effectively catch the freshwater shrimp, and it is better to catch the effect to concave arc shape limit 17 has the buffering effect, compares difficult damage freshwater shrimp with the perpendicular straight line of moving direction collection terminal surface.
In order to further optimize the scheme, the frame 4 is a rectangular frame formed by two opposite connecting rods 7 and two opposite side rods 6, the connecting rods 7 are detachably connected with the side rods 6, and box frames 8 are arranged on the two side rods 6 and used for fixing two sides of the collecting box 3. Through being designed as detachable construction with it, can make things convenient for dismouting and transportation.
In order to further optimize the above, the first fixing rod comprises an inner fixing rod 12 and an outer fixing rod 11,
the inner fixing rod 12 is supported at the inner side of the first fishing net 1 and the outer fixing rod 11 is supported at the outer side of the first fishing net 1.
The supporting effect is better, and the fishing net can be better attached to the bottom of the pond all the time when the bottom of the pond is uneven.
The second fixing lever 13 is configured in the same manner as the first fixing lever, the first and second fixing levers 13 are provided in a mirror image with respect to the center line of the collection box 3, the first and second fishing nets 1 and 2 have the same structure, and the first and second fishing nets 1 and 2 are provided in a mirror image with respect to the center line of the collection box 3.
Specifically, two inner fixing rods 12 are respectively arranged on two sides of one end of the plain net 14 of the first fishing net 1, and two outer fixing rods 11 are respectively arranged on two sides of the other end of the plain net 14 of the first fishing net 1.
In order to further optimize the above solution, an end line 9 is connected between the two outer fixing rods 11, and the end line 9 is flush with one end of the first fishing net 1, specifically, the plain net 14 of the first fishing net 1.
The end line 9 can clear up and level a small amount of pasture and water at the bottom of the pond, frightens the freshwater shrimps inhabiting at the bottom of the pond, so that the freshwater shrimps are caught by the first catching net 1 and the second catching net 2 into the collecting box 3 consisting of the reticular plates, and the catching quality and the catching efficiency are further improved.
The freshwater shrimp winter fishing equipment provided by the embodiment of the invention can solve the problem that the freshwater shrimp aquaculture pond is difficult to fish in winter at present, and overcomes the defect that a ground cage and a pull-supporting net cannot effectively catch freshwater shrimps.
The freshwater shrimp winter fishing equipment provided by the embodiment of the invention can be called a freshwater shrimp waterwheel, is a waterwheel type fishing method, and can be used for always keeping a shrimp net to move on a water-mud interface through the movement of the waterwheel at the bottom of a pond, collecting freshwater shrimps in a net cage of the waterwheel, and cutting off a small amount of waterweeds, so that the aim of efficiently fishing is fulfilled.
The equipment for catching the freshwater shrimps in winter provided by the embodiment of the invention comprises the following components in specific implementation:
a fishing vehicle: the fishing device comprises a frame 4, wherein the frame 4 can be a combined frame and four moving wheels 5, and the moving wheels 5 can be universal wheels, two groups of fishing nets, a collecting box 3 and two end lines 9.
A frame 3: a rectangular frame consisting of two connecting rods 7 and two side rods 6. Two connecting rods 7 are respectively connected with two ends of two side rods 6, and four rods are in active connection, so that disassembly and assembly are facilitated;
the middle parts of the two side rods 6 are respectively provided with a box frame 8 for fixing the collecting box 3 downwards to play a role in fixing and supporting the collecting box 3, fixing rods which are inclined downwards are respectively arranged on the side rods 6 and positioned at the two sides of the box frame 8 outwards, and the fixing rods are elastically connected with the side rods 6 and positioned in a plane which is vertically downwards of the side rods 6;
the fixing rods comprise a first fixing rod for supporting the first fishing net 1 and a second fixing rod 13 for supporting the second fishing net 2, the first fixing rod and the second fixing rod 13 are respectively divided into an outer fixing rod 11 and an inner fixing rod 12, so that the fishing net is supported and fixed, and when the bottom of the pond is uneven, the fishing net is always attached to the bottom of the pond due to the elastic connection of the first fixing rod and the second fixing rod 13 and the side rods 6;
the two ends of the side lever 6 are provided with universal wheels, and the height of the universal wheels supporting the side lever 6 is the horizontal height of the fixed lever.
A fishing net: two groups of fishing nets, namely a first fishing net 1 and a second fishing net 2, are arranged, and the first fishing net 1 and the second fishing net 2 are respectively positioned at two sides of the collecting box 3 and are used for reciprocating operation, so that the fishing efficiency is improved;
each group of fishing nets comprises a flat net 14, a side net 15 and an inclined net 16, four corners of the flat net 14 are fixed at the end parts of an inner fixed rod 12 and an outer fixed rod 11 at one side of the collecting box 3, the front part of the flat net 14 is a concave arc-shaped edge 17, as shown in an opening of fig. 3, and the other three edges are straight;
the front end of the rectangular inclined net 16 is connected with the rear end of the flat net 14, and the rear end of the inclined net 16 is connected with the lower end of the inlet of the collecting box 3;
the side wires 15 are on both sides of the flat wire 14 and the inclined wire 16, directly below the frame 4.
A collection box 3: the freshwater shrimp storage box comprises a box bottom groove 19, two side faces, box openings on the two opposite side faces, a half cover net 22 and a middle pocket net 20, wherein the box openings are arranged on the two opposite side faces;
the box opening is provided with inlets, namely a first inlet 23 and a second inlet 18, at the middle upper part of the side surface, and the netting at the middle lower part is reserved, so that the lower part of the collecting box 3 is a shallow net box which is provided with a box bottom groove 19 and is used for storing the freshwater shrimps collected by the fishing net;
four sides of the two side surfaces are respectively fixed on the box frames 8 on the side rods 6;
after the two connecting rods 7 are connected and fixed with the two side rods 6, the collecting box 3 and the fishing net are supported;
the middle pocket net 20 is a long net cage, the net openings 21 of the middle pocket net are fixed on the periphery of the middle part in the collecting box 3, the collecting box 3 is divided into a box body with a left box opening and a right box opening, and when the collecting box 3 moves left and right, the net pocket of the middle pocket net 20 swings right and left to play a role in permeating water and collecting shrimps;
the area of the half cover net 22 is half of the upper end surface of the collecting box 3, one side of the half cover net can turn left and right around a rod in the middle of the collecting box 3, the left and right half surfaces are sealed according to requirements, when the collecting box 3 moves left, the half cover net 22 turns left to cover, and when the collecting box 3 moves right, the half cover net 22 turns right to cover;
after fishing, the shrimps in the middle pocket net 20 are poured out to the bottom of the collecting box and are moved out together with the shrimps in the bottom of the collecting box, and the height of the collecting box 3 is smaller than that of the side rods 6, so that the collecting box 3 does not support the bottom when the fishing vehicle moves.
End line 9: the top ends of two external fixing rods 11 opposite to one side of the fishing net are provided with connecting end lines 9, the end lines 9 are coplanar with the flat net 14, the end lines 9 can clean and level a small amount of waterweeds at the bottom of the pond, and freshwater shrimps inhabiting at the bottom are frightened, so that the freshwater shrimps are caught into the collecting box net by the fishing net.
According to the freshwater shrimp winter fishing device provided by the embodiment of the invention, the fishing net is positioned on the interface of water and bottom mud, so that the fishing net does not eat mud, has small resistance, is easy to pull and is convenient to collect freshwater shrimps.
Moreover, the freshwater shrimp winter fishing equipment provided by the embodiment of the invention is easy to manufacture, convenient to combine and move, can perform fishing operation both in a front-back movement mode, is high in labor efficiency, has small damage to freshwater shrimp fishing, has less impurities, and is easy to sort.
The freshwater shrimp winter fishing equipment provided by the embodiment of the invention is used for fishing freshwater shrimps in a pond in a low-temperature environment, can also be used for fishing other types of shrimps, and particularly can realize the purpose of fishing overwintering freshwater shrimps which are hidden at the bottom of the pond through underwater reciprocating movement in a freshwater shrimp culture pond in winter.
The freshwater shrimp fishing equipment in winter provided by the embodiment of the invention is practically used as follows:
1. the equipment for fishing the freshwater shrimps in winter, which is provided by the embodiment of the invention, is assembled, namely a fishing vehicle is assembled, two fishing nets and a collecting box 3 are fixed on two side rods 6 on a combined frame 4, and then two connecting rods 7 are arranged at two ends of the two side rods 6, so that the fishing nets and the collecting box 3 are supported;
2. a middle pocket net 20 is sewed at the central line position around the inner part of the collecting box 3;
3. turning the half-cover net 22 to cover half of the upper end surface of the collecting box 3 in the advancing direction;
4. ropes with the same length are connected to the tension rings 10 on the two connecting rods 7 according to the length in the fishing direction of the pond, and the ropes are pulled slowly and uniformly;
5. the fishing vehicle moves, the end line 9 removes sundries or waterweeds, meanwhile frightens the freshwater shrimps, and then the freshwater shrimps are caught in the collecting box 3 by the fishing net, wherein the water flows out of the fishing collecting net, the collecting box 3 and the middle pocket net 20, the middle pocket net 20 also has the functions of filtering water and collecting the freshwater shrimps, the mobility of the freshwater shrimps is weak, and the freshwater shrimps are basically and completely caught at the positions where the fishing vehicle passes;
6. when the fishing vehicle is pulled to the end point of the pond boundary, the collecting box 3 or other parts are pulled to enable the universal wheels to turn 90 degrees, and the universal wheels are adjacently moved by one parking space to be led to the recovery collection;
7. so pull repeatedly, when the freshwater shrimp gathers certain quantity in collecting box 3, open half lid net 22, cover in other half (the direction that advances once more), the shrimp in the middle of pouring out pocket net 20 to collecting box 3 bottom recess 19 removes the freshwater shrimp, through drawing the net at the bottom of the pool full coverage, the pond fishing rate is more than 90%.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Moreover, the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A device for catching freshwater shrimps in winter, which is characterized by comprising a frame, a first catching net, a collecting box and a moving wheel, wherein,
the bottom of the frame is provided with the moving wheels which are used for moving on the underwater mud surface,
the frame is elastically connected with a first fixing rod, the first fishing net is arranged on the frame, the end part of the first fixing rod is connected with the first fishing net so that one end of the first fishing net is attached to the underwater mud surface,
the collecting box is arranged on the frame, one end of the collecting box is provided with a first inlet, and the other end of the first fishing net is connected to the first inlet.
2. The freshwater shrimp winter fishing apparatus of claim 1, further comprising a second fishing net positioned at both sides of the collecting tank together with the first fishing net,
the frame is provided with a second fixed rod, the second fishing net is arranged on the frame, the end part of the second fixed rod is connected with the second fishing net so that one end of the second fishing net is attached to the underwater mud surface,
the other end of the collecting box is provided with a second inlet, and the other end of the second fishing net is connected to the second inlet.
3. The freshwater shrimp winter fishing apparatus of claim 2, wherein the collecting box is divided into a left and a right box bodies by a middle pocket net provided in the middle of the collecting box,
the net port of the middle pocket net is fixed on the inner wall of the collecting box, the net body of the middle pocket net is a flexible net body,
when the collecting box moves towards one direction, the net body of the middle pocket net swings to the other direction.
4. The freshwater shrimp winter fishing apparatus of claim 3, wherein the collection box is provided with an upper cover as a half cover net, the half cover net is rotatably provided,
when the collecting box moves towards one direction, the half-cover net rotates towards the direction to be matched with the net port of the middle pocket net to form a closed passage, and the net body of the middle pocket net swings to the other direction.
5. The freshwater shrimp winter fishing apparatus of claim 1, wherein the first inlet is provided at an upper portion of an end surface of the collecting tank, and a lower portion of the collecting tank forms a groove for storage.
6. The freshwater shrimp winter fishing apparatus of claim 1, wherein the first fishing net comprises one flat net, two side nets and one inclined net,
the two side nets connect the two sides of the flat net and the inclined net,
one end of the flat net is attached to the underwater mud surface, a concave arc-shaped edge is arranged at the end of the flat net, the other end of the flat net is connected with one end of the inclined net, and the other end of the inclined net is connected with the first inlet.
7. The freshwater shrimp winter fishing apparatus of claim 1, wherein the frame is a rectangular frame formed of two opposite connecting bars and two opposite side bars, the connecting bars being detachably connected to the side bars,
and the two side rods are provided with box frames for fixing two sides of the collecting box.
8. The freshwater shrimp winter fishing apparatus of claim 1, wherein the first fixing bars comprise an inner fixing bar and an outer fixing bar,
the inner fixing rod is supported on the inner side of the first fishing net, and the outer fixing rod is supported on the outer side of the first fishing net.
9. The freshwater shrimp winter fishing apparatus of claim 8, wherein one of the inner fixing bars is provided at both sides of one end of the flat net of the first fishing net, and one of the outer fixing bars is provided at both sides of the other end of the flat net of the first fishing net.
10. The freshwater shrimp winter fishing apparatus of claim 8, wherein an end line is connected between the two outer fixing rods, and the end line is flush with one end of the first fishing net.
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| CN113180019B (en) | 2022-12-13 |
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Application publication date: 20210730 Assignee: Liyang Shezhu Shrimp Farming Professional Cooperative Assignor: FRESHWATER FISHERIES RESEARCH CENTER,CAFS Contract record no.: X2024980002565 Denomination of invention: A Winter Fishing Equipment for Green Shrimp Granted publication date: 20221213 License type: Common License Record date: 20240306 |
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