CN111670867A - Lifting type device for collecting migratory fishes at bottom of river - Google Patents
Lifting type device for collecting migratory fishes at bottom of river Download PDFInfo
- Publication number
- CN111670867A CN111670867A CN202010596723.8A CN202010596723A CN111670867A CN 111670867 A CN111670867 A CN 111670867A CN 202010596723 A CN202010596723 A CN 202010596723A CN 111670867 A CN111670867 A CN 111670867A
- Authority
- CN
- China
- Prior art keywords
- net
- lifting
- nets
- door
- gathering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 60
- 230000001617 migratory effect Effects 0.000 title abstract description 7
- 230000005012 migration Effects 0.000 claims abstract description 15
- 238000013508 migration Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000009958 sewing Methods 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 235000000396 iron Nutrition 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229910001018 Cast iron Inorganic materials 0.000 claims 2
- 239000010410 layer Substances 0.000 abstract description 15
- 239000002344 surface layer Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000037406 food intake Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000005303 weighing 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/006—Arresting, diverting or chasing away fish in water-courses or water intake ducts, seas or lakes, e.g. fish barrages, deterrent devices ; Devices for cleaning fish barriers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The invention belongs to the technical field of collection and transportation of bottom-layer migratory fishes of rivers, and discloses a lifting type device for collecting and capturing bottom-layer migratory fishes of rivers. Because the fishes at the bottom of the river generally have the migration habit of ingestion and reproduction, the scheme utilizes the biological habit of the fishes, the lifting type collecting and catching device is arranged in the water layer, the fishes in the migration are intercepted and guided to enter the lifting collecting channel and finally enter the fish collecting platform arranged on the surface layer of the river for the next transfer and transportation, the scheme has the advantages of unique structure, remarkable collecting and catching effect and convenience in operation, and can guide the fishes at the bottom layer to actively move to the surface layer of the river and gather, so that the continuous completion of the interception, the guiding, the lifting and the gathering of the fishes is realized.
Description
Technical Field
The invention relates to the technical field of collection and transportation of bottom-layer migratory fishes in rivers, in particular to a lifting type bottom-layer migratory fish collecting and catching device in rivers.
Background
The collection and the catching of the fishes at the bottom of the river have very important significance for the protection and the utilization of fish resources, the artificial breeding and the proliferation and the releasing.
At present, fishing operation methods such as long line fishing, cage net arrangement, bottom trawl and the like are mainly adopted for fishing fishes at the bottom layer of a river, but the methods have the defects of low fishing efficiency, serious injury of the fished fishes, high operation labor intensity and the like, and meanwhile, the methods are complex for final collection of the fished fishes and are difficult to realize quick and convenient collection and transportation.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a lifting type device for trapping fishes migrating at the bottom layer of a river, which has the advantages of remarkable trapping effect and convenience in operation, can guide the fishes at the bottom layer to actively swim to the surface layer of the river and gather, and realizes the continuous completion of interception, guide, lifting and gathering of the fishes.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A lifting type device for trapping fishes migrating at the bottom of a river comprises an interception guide net and a lifting gathering net, wherein the interception guide net is positioned on the right side of the lifting gathering net, the interception guide net and the lifting gathering net are connected in a seamless sewing mode, the interception guide net comprises two interception nets which are perpendicular to the river surface and arranged in a splayed mode, the lifting gathering net comprises two gathering vertical nets perpendicular to the river surface and a lifting bottom net with the bottom inclined upwards, the two gathering vertical nets are both trapezoidal nets with one higher end and one lower end, the bottoms of the two gathering vertical nets are respectively connected with the lifting bottom net in a sewing mode, the two gathering vertical nets and the lifting bottom net are connected in a U-shaped structure, the right sides of the two gathering vertical nets are respectively connected with the left sides of the two interception nets in a seamless sewing mode, and steel cables fixedly connected with the two gathering vertical nets are arranged on the upper portions, the lower portions of the two gathering vertical nets and the upper portions of the two gathering vertical nets, a plurality of buoyancy balls are arranged on the steel cables positioned at the upper parts of the interception nets and the collection vertical nets in a penetrating manner, and counterweight iron chains are arranged at the bottoms of the two interception nets and the collection vertical nets and are tightly connected with the steel cables at the bottoms;
a first one-way net door is arranged at the joint of the interception net and the collection vertical net, the bottom of the first one-way net door is connected with the bottom of the lifting bottom net in a sewing way, the upper part of the first unidirectional net door is fixedly connected with a supporting rod, both sides of the bottom of the supporting rod are provided with iron anchors, the two iron anchors are respectively connected with a steel cable at the upper part through cables, the bottom of the lifting bottom net and the position below the first unidirectional net door are provided with sinking irons for the supporting rods, the left side of the collecting vertical net is fixedly connected with connecting lock catches which are arranged up and down at equal intervals, the middle part of the lifting collecting net and the left side of the first unidirectional net door are provided with a second unidirectional net door, the second one-way net door has the same structure as the first one-way net door and has an opening smaller than the first one-way net door, the upper part of the second unidirectional net door is also fixedly connected with a supporting rod, and the lower part of the second unidirectional net door is connected with the lifting bottom net in a sewing mode.
Preferably, the first one-way net door comprises two door leaves, the two door leaves are symmetrically arranged and are respectively connected with the opposite sides of the two collecting vertical nets in a sewing mode, the bottoms of the two door leaves are respectively connected with the bottom of the lifting bottom net in a sewing mode, the two door leaves are equal to the height of the collecting vertical net, an included angle of 30 degrees is formed between the two door leaves and the collecting vertical net connected with the two door leaves, and the opening of the first one-way net door is 20-30 cm.
Preferably, the length of the interception net is 50-200m, the netting is woven by a high-strength polyethylene (HDD) machine, the net wire is 380D/5 multiplied by 3 material, the shrinkage factor is ET equal to 0.6, EN =0.8, the height of the netting is the maximum water depth of the catchment water area, and the material of the netting of the catchment vertical net is the same as that of the interception net.
Preferably, the steel cables are polyethylene cables with the diameter of 12-16mm, and the distance between two adjacent buoyancy balls is 1 m.
Preferably, the iron anchor weighs fifty kilograms, and the heavy iron is I-steel weighing more than thirty kilograms.
Preferably, the longitudinal shrinkage factor of the lifting bottom net is 0.8, and the transverse shrinkage factor of the lifting bottom net is 0.6.
Preferably, the front end and the rear end of the supporting rod are fixedly connected with cylindrical foam buoys.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) because the fishes at the bottom of the river generally have the migration habit of ingestion and reproduction, the scheme utilizes the biological habit of the fishes, the lifting type collecting and catching device is arranged in the water layer, the fishes in the migration are intercepted and guided to enter the lifting collecting channel and finally enter the fish collecting platform arranged on the surface layer of the river for the next transfer and transportation, the scheme has the advantages of unique structure, remarkable collecting and catching effect and convenience in operation, and can guide the fishes at the bottom layer to actively move to the surface layer of the river and gather, so that the continuous completion of the interception, the guiding, the lifting and the gathering of the fishes is realized.
(2) When the device is used, the river bottom layer fishes can be intercepted and guided through the intercepting and guiding net formed by the two intercepting nets, the river bottom layer fishes can move along the intercepting and guiding net in the migration process and enter the lifting and gathering net through the first one-way net door, the lifting and gathering net gradually moves to the surface layer of a river along the lifting bottom net and passes through the second one-way net door, finally the fishes are gathered and limited in the upper water area of the river and enter the fish gathering platform, and workers can timely transfer and transport the fishes by observing the number and density of the gathered fishes in the fish gathering boat.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of the elevated gathering net of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic structural view of the connection between the connecting lock catch and the collecting vertical net in the present invention;
FIG. 4 is a schematic top view of the present invention.
The reference numbers in the figures illustrate:
1. intercepting a guide net; 11. an intercepting net; 2. lifting the gathering net; 21. collecting a vertical net; 22. lifting the bottom net; 23. a steel cable; 24. a buoyant ball; 25. a counterweight iron chain; 3. a first unidirectional network gate; 31. a door leaf; 4. a support bar; 5. an iron anchor; 6. depositing iron; 7. connecting a lock catch; 8. a second unidirectional network gate; 9. a cylindrical foam pontoon.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a lifting type device for collecting and catching migratory fishes in the bottom layer of a river comprises an intercepting and guiding net 1 and a lifting and gathering net 2, wherein the intercepting and guiding net 1 is positioned at the right side of the lifting and gathering net 2, the intercepting and guiding net 1 and the lifting and gathering net 2 are connected by seamless sewing, the intercepting and guiding net 1 comprises two intercepting nets 11 which are perpendicular to the river surface and arranged in a splayed shape, the lifting and gathering net 2 comprises two gathering vertical nets 21 which are perpendicular to the river surface and a lifting bottom net 22 with the bottom inclined upwards, the two gathering vertical nets 21 are both trapezoidal nets with one higher end and one lower end, the bottoms of the two gathering vertical nets 21 are respectively connected with the lifting bottom net 22 by sewing, the two gathering vertical nets 21 and the lifting bottom net 22 are connected in a U-shaped structure, the lengths of mesh legs of the gathering vertical nets 21 and the lifting bottom net 22 are selected according to the size of fishes to be collected and generally range from 20-100mm, the right sides of the two collecting vertical nets 21 are respectively connected with the left sides of the two intercepting nets 11 in a seamless sewing mode, steel cables 23 fixedly connected with the upper portions and the lower portions of the two intercepting nets 11 and the upper portions of the two collecting vertical nets 21 are arranged on the upper portions and the lower portions of the two intercepting nets 11 and the upper portions of the two collecting vertical nets 21, a plurality of buoyancy balls 24 penetrate through the steel cables 23 on the upper portions of the intercepting nets 11 and the upper portions of the collecting vertical nets 21, the intercepting nets 11 and the collecting vertical nets 21 stretch and float through the mutual matching of the steel cables 23 on the upper portions and the buoyancy balls 24, counterweight iron chains 25 are arranged at the bottoms of the two intercepting nets 11 and the collecting vertical nets 21, the counterweight iron chains 25 are tightly connected with the steel cables 23 on the bottoms, and the intercepting nets 11 and the collecting vertical nets 21 can be kept in a vertical and stretching.
The connection part of the interception net 11 and the collection vertical net 21 is provided with a first unidirectional net door 3, the bottom of the first unidirectional net door 3 is connected with the bottom of a lifting bottom net 22 in a sewing way, the upper part of the first unidirectional net door 3 is fixedly connected with a support rod 4, the support rod 4 is a square rod, two sides of the bottom of the support rod 4 are provided with iron anchors 5, the two iron anchors 5 are respectively connected with a steel cable 23 at the upper part through cables, the iron anchors 5 sink into the water bottom when in use for fixing the connection part of the interception guide net 1 and the lifting collection net 2 to prevent the first unidirectional net door 3 from displacement, the bottom of the lifting bottom net 22 and the support rod 4 below the first unidirectional net door 3 are provided with sinking irons 6 for opposite use, the left side of the collection vertical net 21 is fixedly connected with connecting lock catches 7 which are arranged up and down, the shape of the first unidirectional net door 3 is kept stable through the stretching action of the support rod 4 and the sinking irons 6, the escape of the fishes entering the gathering part is effectively reduced, and the lifting gathering net 2 is connected with the fish gathering platform through the connecting lock catch 7;
a second one-way net door 8 is arranged in the middle of the lifting convergence net 2 and on the left side of the first one-way net door, the second one-way net door 8 has the same structure with the first one-way net door 3, the opening of the second one-way net door 8 is smaller than that of the first one-way net door 3, the upper part of the second one-way net door 8 is also fixedly connected with a support rod 4, the lower part of the second one-way net door 8 is connected with a lifting bottom net 22 in a sewing way, when in use, the interception and guidance net 1 consisting of two interception nets 11 can intercept and guide fishes at the bottom of a river, the fishes at the bottom of the river can move along the interception and guidance net 1 in the migration process and enter the lifting convergence net 2 through the first one-way net door 3, when the lifting gathering net 2 moves gradually to the surface of the river along the lifting bottom net 22 and passes through the second one-way net gate 8, finally the fishes are gathered and limited at the forefront and the uppermost end of the device, and the aim that the fishes at the bottom layer are gathered to a fish gathering platform at the surface of the river is achieved.
Specifically, the first unidirectional mesh door 3 includes two door leaves 31, the two door leaves 31 are symmetrically arranged and are respectively connected with the opposite sides of the two collecting vertical meshes 21 in a sewing manner, the bottoms of the two door leaves 31 are respectively connected with the bottom of the lifting bottom mesh 22 in a sewing manner, the two door leaves 31 are equal in height to the collecting vertical meshes 21, an included angle of 30 degrees is formed between the two door leaves 31 and the connecting collecting vertical meshes 21, and the opening of the first unidirectional mesh door 3 is 20-30 cm.
Specifically, the length of the interception net 11 is 50-200m, netting is woven by a high-strength polyethylene HDD material machine, netting wires are 380D/5 multiplied by 3 materials, the shrinkage coefficient is ET equal to 0.6, EN =0.8, the height of the netting is the maximum water depth of the catchment water area, and the material of the netting of the collecting vertical net 21 is the same as that of the interception net 11.
Specifically, the steel cable 23 is a polyethylene cable with a diameter of 12-16mm, and the distance between two adjacent buoyancy balls 24 is 1 m.
Specifically, the iron anchor 5 weighs fifty kilograms, and the heavy iron 6 is I-steel with a weight of more than thirty kilograms.
Specifically, the raised bottom web 22 has a longitudinal shrinkage factor of 0.8 and a transverse shrinkage factor of 0.6.
Specifically, the front end and the rear end of the support rod 4 are fixedly connected with cylindrical foam buoys 9, and the cylindrical foam buoys 9 are used for assisting in floating the support rod 4.
The working principle is as follows: when in use, the gathering device is arranged in a water area with proper river flow rate, the gathering device can be arranged in the middle area or one side area of a river, firstly, mooring piles are fixedly planted on the shore of the river according to the laying direction and angle of the gathering device, then, the connecting lock catch 7 on the lifting gathering net 2 is connected with a fish gathering platform, then, a transport ship moves downstream gradually along the flow direction of the river, meanwhile, the lifting gathering net 2 is laid into the water gradually, after the laying is finished, the iron anchor 5 is placed into the water, the first one-way net door 3 is fixed, then, the transport ship moves downstream continuously, the intercepting guide net 1 is laid continuously, at the moment, another transport ship is added, the two ships move towards the two sides of the river, the left and right intercepting nets 11 are laid into the water symmetrically at the same time, the device is fixed through a bottom anchor and a cable, the installation of the whole device is finished, after the device is laid, the steel cables 23 on the upper parts of the intercepting nets, the intercepting and guiding net 1 and the lifting and gathering net 2 are kept in an ideal state, the intercepting and guiding net 1 consisting of the two intercepting nets 11 can intercept and guide fishes at the bottom of a river, the fishes at the bottom of the river can move along the intercepting and guiding net 1 in the migration process and enter the lifting and gathering net 2 through the first one-way net gate 3, the fishes gradually move to the surface layer of the river along the lifting and gathering net 2 and pass through the second one-way net gate 8, finally the fishes are gathered and limited in the upper water area of the river and enter a fish gathering platform, and workers can timely transfer and transport the fishes by observing the number and density of the gathered fishes in the fish gathering boat.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides a lifting formula river bottom migration fish collection catches device which characterized in that: the device comprises an intercepting and guiding net (1) and a lifting and gathering net (2), wherein the intercepting and guiding net (1) is positioned on the right side of the lifting and gathering net (2), the intercepting and guiding net (1) and the lifting and gathering net (2) are connected through seamless sewing, the intercepting and guiding net (1) comprises two intercepting nets (11) which are perpendicular to the river surface and arranged in a splayed shape, the lifting and gathering net (2) comprises two gathering vertical nets (21) which are perpendicular to the river surface and a lifting bottom net (22) with the bottom inclined upwards, the two gathering vertical nets (21) are both trapezoidal nets with one high end and one low end, the bottoms of the two gathering vertical nets (21) are respectively connected with the lifting bottom net (22) through sewing, the two gathering vertical nets (21) and the lifting bottom net (22) are connected in a U-shaped structure, the right sides of the two gathering vertical nets (21) are respectively connected with the left sides of the two intercepting nets (11) through seamless sewing, the upper parts and the lower parts of the two intercepting nets (11) and the upper parts of the two collecting vertical nets (21) are respectively provided with a steel cable (23) fixedly connected with the intercepting nets, a plurality of buoyancy balls (24) are arranged on the steel cables (23) positioned on the upper parts of the intercepting nets (11) and the collecting vertical nets (21) in a penetrating mode, the bottoms of the two intercepting nets (11) and the collecting vertical nets (21) are respectively provided with a counterweight iron chain (25), and the counterweight iron chains (25) are tightly connected with the steel cables (23) at the bottoms;
a first one-way net door (3) is arranged at the joint of the interception net (11) and the collection vertical net (21), the bottom of the first one-way net door (3) is connected with the bottom of the lifting bottom net (22) in a sewing mode, a supporting rod (4) is fixedly connected to the upper portion of the first one-way net door (3), iron anchors (5) are arranged on two sides of the bottom of the supporting rod (4), the two iron anchors (5) are respectively connected with a steel cable (23) on the upper portion through cables, sinking irons (6) are arranged on the supporting rod (4) which is located below the first one-way net door (3) and is opposite to the bottom of the lifting bottom net (22), and connecting lock catches (7) which are arranged up and down at equal intervals are fixedly connected to the left side of the collection vertical net (21);
the middle part of the lifting collection net (2) and the left side of the first one-way net door are provided with a second one-way net door (8), the second one-way net door (8) is structurally the same as the first one-way net door (3) and the opening of the second one-way net door is smaller than the first one-way net door (3), the upper part of the second one-way net door (8) is fixedly connected with a supporting rod (4), and the lower part of the second one-way net door (8) is sewn with the lifting bottom net (22).
2. The elevated river bottom migration fish catch device according to claim 1, wherein: the first one-way net door (3) comprises two door leaves (31), the two door leaves (31) are symmetrically arranged and are respectively connected with opposite sides of the two collecting vertical nets (21) in a sewing mode, the bottoms of the two door leaves (31) are respectively connected with the bottom of the lifting bottom net (22) in a sewing mode, the two door leaves (31) are equal in height to the collecting vertical nets (21), an included angle of 30 degrees is formed between the two door leaves (31) and the connecting collecting vertical nets (21), and the opening of the first one-way net door (3) is 20-30 cm.
3. The elevated river bottom migration fish catch device according to claim 1, wherein: the length of the interception net (11) is 50-200m, netting is woven by a high-strength polyethylene (HDD) material machine, netting wires are 380D/5 multiplied by 3 materials, the shrinkage coefficient is ET which is 0.6, EN =0.8, the height of the netting is the maximum water depth of a catchment water area, and the netting material of the catchment vertical net (21) is the same as that of the interception net (11).
4. The elevated river bottom migration fish catch device according to claim 1, wherein: the steel cables (23) are polyethylene cables with the diameter of 12-16mm, and the distance between every two adjacent buoyancy balls (24) is 1 m.
5. The elevated river bottom migration fish catch device according to claim 1, wherein: the weight iron chain (25) at the bottom of the intercepting net (11) adopts the cast iron chain which takes 8mm as far as the weight of the cast iron chain is more than 1.0kg/m, and the weight iron chain (25) at the bottom of the collecting vertical net (21) is 0.8 kg/m.
6. The elevated river bottom migration fish catch device according to claim 1, wherein: the iron anchor (5) weighs fifty kilograms, and the heavy iron (6) is I-steel with weight more than thirty kilograms.
7. The elevated river bottom migration fish catch device according to claim 1, wherein: the longitudinal shrinkage factor of the lifting bottom net (22) is 0.8, and the transverse shrinkage factor is 0.6.
8. The elevated river bottom migration fish catch device according to claim 1, wherein: the front end and the rear end of the supporting rod (4) are fixedly connected with cylindrical foam buoys (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010596723.8A CN111670867A (en) | 2020-06-28 | 2020-06-28 | Lifting type device for collecting migratory fishes at bottom of river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010596723.8A CN111670867A (en) | 2020-06-28 | 2020-06-28 | Lifting type device for collecting migratory fishes at bottom of river |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111670867A true CN111670867A (en) | 2020-09-18 |
Family
ID=72437257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010596723.8A Pending CN111670867A (en) | 2020-06-28 | 2020-06-28 | Lifting type device for collecting migratory fishes at bottom of river |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111670867A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114304088A (en) * | 2021-11-30 | 2022-04-12 | 杭州市农业科学研究院 | Mountain stream catching method |
| CN114342869A (en) * | 2022-01-26 | 2022-04-15 | 中国海洋大学 | Swimming bladder air supplementing device and method for submerged culture of cold-water fishes in warm sea area in summer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206800347U (en) * | 2017-06-14 | 2017-12-26 | 三峡大学 | The transporting something containerized fish platform on dam is crossed for fish |
| CN109247310A (en) * | 2018-09-19 | 2019-01-22 | 上海海洋大学 | A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type |
| CN109811730A (en) * | 2019-03-18 | 2019-05-28 | 华能澜沧江水电股份有限公司 | A kind of deep water net foil device ensureing fish-gathering effect |
| CN110241793A (en) * | 2019-05-20 | 2019-09-17 | 中国水产科学研究院东海水产研究所 | A kind of river straddling fish stocks method for enticing collection |
| CN110468808A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of river straddling fish stocks fish gathering station |
-
2020
- 2020-06-28 CN CN202010596723.8A patent/CN111670867A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206800347U (en) * | 2017-06-14 | 2017-12-26 | 三峡大学 | The transporting something containerized fish platform on dam is crossed for fish |
| CN109247310A (en) * | 2018-09-19 | 2019-01-22 | 上海海洋大学 | A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type |
| CN109811730A (en) * | 2019-03-18 | 2019-05-28 | 华能澜沧江水电股份有限公司 | A kind of deep water net foil device ensureing fish-gathering effect |
| CN110241793A (en) * | 2019-05-20 | 2019-09-17 | 中国水产科学研究院东海水产研究所 | A kind of river straddling fish stocks method for enticing collection |
| CN110468808A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of river straddling fish stocks fish gathering station |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114304088A (en) * | 2021-11-30 | 2022-04-12 | 杭州市农业科学研究院 | Mountain stream catching method |
| CN114304088B (en) * | 2021-11-30 | 2024-02-06 | 杭州市农业科学研究院 | Method for catching mountain stream |
| CN114342869A (en) * | 2022-01-26 | 2022-04-15 | 中国海洋大学 | Swimming bladder air supplementing device and method for submerged culture of cold-water fishes in warm sea area in summer |
| CN114342869B (en) * | 2022-01-26 | 2023-01-24 | 中国海洋大学 | Swimming bladder air supplementing device and method for submerged culture of cold-water fishes in warm sea area in summer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111670867A (en) | Lifting type device for collecting migratory fishes at bottom of river | |
| CN103461241A (en) | Safe ecological multi-layer aquaculture net cage | |
| CN210143579U (en) | Unrestrained floating platform formula ultra-large-scale purse seine of anti-wind for deep open sea is bred | |
| KR101945893B1 (en) | Automatic surfacing apparatus for purple laver cultivation, cultivation apparatus, and automatic surfacing method using tidal ranges | |
| CN203040458U (en) | Trapping type automatic classifying fishing station net | |
| CN113057147A (en) | Lobster fishing device | |
| CN110521657B (en) | Fish-collecting type fish reef for increasing and culturing and use method thereof | |
| CN109247310A (en) | A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type | |
| WO2006099807A1 (en) | Novel fish cage | |
| CN110241793B (en) | Trapping method for river migratory fishes | |
| CN103210873A (en) | Pond field experimentation device and using method thereof | |
| CN210341841U (en) | Deep water net paper tinsel device of guarantee fish gathering effect | |
| CN111972362B (en) | Jellyfish interception net and use method thereof | |
| CN110250118A (en) | Fishpot | |
| CN110367213A (en) | A kind of netting gear and its operating method for middle and small river fishes fishing | |
| CN201742824U (en) | High efficiency fishing device | |
| CN208572925U (en) | River mouth intertidal zone biological monitoring net | |
| RU2730611C1 (en) | Plant for trepangs cultivation | |
| CN210580586U (en) | High-efficient double-deck fishing net convenient to catch and get fish | |
| CN212487982U (en) | Fish-fishing net cage for facility fishery | |
| KR102577952B1 (en) | Eco-friendly multi-purpose anchor using abalone shell. | |
| CN201726759U (en) | Device for catching wild miscellaneous fish fry and domesticated fish fry | |
| CN108651397A (en) | River mouth intertidal zone biological monitoring net and its construction method | |
| CN109811730A (en) | A kind of deep water net foil device ensureing fish-gathering effect | |
| CN111513038B (en) | Acete chinensis sampling dip net |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |