CN201938225U - Movable type fry fishing device - Google Patents
Movable type fry fishing device Download PDFInfo
- Publication number
- CN201938225U CN201938225U CN 201120051258 CN201120051258U CN201938225U CN 201938225 U CN201938225 U CN 201938225U CN 201120051258 CN201120051258 CN 201120051258 CN 201120051258 U CN201120051258 U CN 201120051258U CN 201938225 U CN201938225 U CN 201938225U
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- CN
- China
- Prior art keywords
- prelarva
- net cage
- fishnet
- lymphogranuloma inguinale
- sheet
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a movable type fry fishing device, which comprises a front string bag and a net rack, wherein a rear side of the front string bag is provided with a fish guide port, the fish guide port is communicated with a net cage, the net cage comprises a net cage rack and a net piece made of floating material, the net rack is in an annular structure consisting of an upper crossbar, a lower crossbar, a left vertical rod and a right vertical rod, and the net cage rack is arranged at the opening end of the front string bag. The fry fishing device is entirely arranged in water. The utility model provides a movable type fry fishing device which has low fry mortality, low fry escape rate and high single-net fishing amount, and is convenient to operate.
Description
Technical field
The utility model relates to a kind of device for use in fishing trawl, especially relates to a kind of pond prelarva catching device of movable type.
Background technology
The fry of artificial propagation generally all after hatching 3～4 all over the world the pond cultivate, until forming summer flower or winter sheet fingerling.The prelarva on the firm pool down is not because of growing scale, swimming ability, and as fishing for netting gear, when hauling, meeting is left water body owing to prelarva is bonded on the net sheet and caused death in about 10 days of the following pool.Use conventional art, generally need pond rearing 15 days, when fry grows up to the 2cm left and right sides just available netting gear fish for.The rise that predacious fishes such as mandarin fish, erythroculter ilishaeformis, Bambusa fish are cultured is badly in need of prelarva alive about a large amount of 1cm as the feed fish.Therefore, develop the utensil and the technology of fishing for specification 1cm left and right sides prelarva in the pond and become a difficult problem anxious to be solved.Publication number is that the Chinese patent of CN201138995 discloses a kind of landing-spoon, aims to provide a kind ofly can avoid the injured landing-spoon of fish.Described landing-spoon comprises holding rod and fishnet frame, and the fishnet frame is divided into upper and lower two-layer, and the upper strata is permeable fishnet layer, and lower floor is fluid-tight plastic layer.When adopting landing-spoon of the present utility model after reaping fish, to break away from the water surface, can there be a certain amount of ponding in the fluid-tight plastic layer of lower floor, the fish that can supply to be dragged for freely breathes therein and moves about, and avoids the injury to fish body surface of thin fishnet line, is particularly useful for goldfish changed occasions such as water.This landing-spoon can be used in fishing for of prelarva alive to a certain extent, but it is used for the pond when fishing for prelarva alive, the amount of fishing of its single net is very little, and the escapement ratio of prelarva can be very high, further cause the amount of fishing of single net to reduce on the one hand, owing to prelarva elder generation network access, escape again on the other hand, the damage of prelarva can be caused, the problem of a large amount of prelarva losses can be caused.Publication number is that the Chinese patent of CN2877289 discloses a kind of anti-landing-spoon of escaping, comprise fixedly a fishnet frame and a rotation fishnet frame, fixedly fishnet frame and rotation fishnet frame are respectively the fishnet frame half, fixedly on fishnet frame and the rotation fishnet frame fishnet are housed jointly; Fixedly the front end of fishnet frame is fixedly connected with a shaft seat, and the front end that rotates the fishnet frame is a rotating shaft; Rotating shaft is installed in the shaft seat; Fixedly the rear end of fishnet frame is fixedly connected with a sleeve, and the rear end of rotating the fishnet frame connects a dwang, and dwang is contained in the sleeve, and the end of dwang is fixedly connected with turning handle.When this utility model is used, be rotated counterclockwise turning handle, make rotate that the fishnet frame rotates counterclockwise and fixedly the fishnet frame fasten, can not jump out after fish is caught and escape.But every net of this structure just needs to rotate the fishnet frame to a spot of fish, and it is taken out the water surface, and pours out fish.And this technical scheme also makes each online fish all need it is with dried up, for prelarva, can increase the lethality of prelarva to a great extent.
Summary of the invention
The utility model mainly is to solve existing in prior technology prelarva lethality height, troublesome poeration, prelarva escapement ratio height, technical problems such as single net amount of fishing is low provide a kind of prelarva lethality low, and are easy to operate, the prelarva escapement ratio is low, the portable prelarva catching device that single net amount of fishing is high.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of portable prelarva catching device, comprise the preceding string bag, rack, it is characterized in that described before the rear side of the string bag be provided with one and lead lymphogranuloma inguinale, this is led lymphogranuloma inguinale and is connected with a net cage, this net cage comprises the net cage frame and the net sheet of floating material, the loop configuration of described rack for constituting by cross tube, sheer pole and left and right sides vertical rod, and this net cage is set up in the openend of the preceding string bag.The utility model integral body is put into water.Because the net cage frame is floating material (this floating material is timber or other light material that can bubble through the water column), so it can also swim on the water surface after adding the weight of upper net plate.In use, the string bag before driving, the openend orientation movements direction of the string bag before making, and the pulling net cage moves forward, before prelarva enters into behind the string bag, because whole catching device is also moving forward, a large amount of prelarvas can enter in the net cage under the guide effect of the string bag, is connected with net cage because the preceding string bag is only led lymphogranuloma inguinale by one, the translational speed of catching device is faster than the trip speed of prelarva, so prelarva is after entering into net cage, the possibility of swimming out of from net cage is very little again.Therefore, before net cage is filled, can constantly fish for by moving this catching device, this makes that the amount of fishing of its single net is bigger.Behind the full prelarva of collection in the net cage, earlier the preceding string bag is pulled out the water surface, the prelarva round-up in the string bag in net cage, is connected water band prelarva with the vessel that can be filled with water again and catches out together, because prelarva has greatly reduced the lethality of prelarva by leaving water not in the process of fishing for.
As preferably, described before the string bag be pyramidal structure, it is respectively equipped with two manropes in both sides up and down, the front end of this manrope links to each other with rack, the rear end links to each other with net cage.The string bag was better to the guidance quality of prelarva before this structure made, made a large amount of prelarvas that enters into the preceding string bag can successfully enter into net cage.The manrope of both sides makes the preceding string bag in the process of pulling net cage up and down, and is more reliable, can not cause damage to the net sheet of the preceding string bag.
As preferably, describedly lead the middle part that lymphogranuloma inguinale is located at net cage, this spacing of leading each limit up and down of lymphogranuloma inguinale and net cage is 10-35CM.Because fishing gear has along the habit of net activity, the spacing of leading lymphogranuloma inguinale and each limit up and down is during less than 10CM, enter into the prelarva in the net cage, when the net sheet of each side moves about up and down on the edge, be easy to swim out of from leading lymphogranuloma inguinale one side, can make the escapement ratio of prelarva increase, when spacing during greater than 10CM, the possibility that prelarva is swum out of along the net sheet reduces greatly.
As preferably, be respectively equipped with a wing lattice in the left and right sides vertical rod of the described preceding string bag.In use, operator's wing lattice of hauling both sides respectively drives catching device and travels forward.In moving process, can increase or reduce the angle between two wing lattices as required, reach the scope of fishing for that increases or reduce single net.
As preferably, described wing lattice links to each other with a hand lever respectively.May hold this hand lever by two people and operate, very easy to use.
As another program of the present utility model, described cross tube is provided with a hand lever, and this hand lever and cross tube are perpendicular, and is in same plane with described rack.This technical scheme makes the utility model realize the one man operation, and it is a kind of improvement project of present diddle-net, and string bag rear side has added a net cage before existing, make it easy to operate, the prelarva escapement ratio is low, and single net amount of fishing height is a significant improvement to diddle-net.
As preferably, described upside of leading lymphogranuloma inguinale is used to block the retaining fishnet sheet of leading lymphogranuloma inguinale and links to each other with one, and left side, right side and the downside of this grade fishnet sheet be all wide to go out to lead lymphogranuloma inguinale 2-5CM, and retaining fishnet sheet is located at the inboard of net cage.In net cage advanced process, these retaining fillet were floating state under the acting in conjunction of flow action and buoyancy, made that leading lymphogranuloma inguinale normally opens, and when net cage halted, retaining fishnet sheet was sagging, makes it to close and leads lymphogranuloma inguinale, and the prelarva in the net cage can't escape.
The beneficial effect that the utility model brings is, solved the lethality height of existing in prior technology prelarva, troublesome poeration, prelarva escapement ratio height, technical problems such as single net amount of fishing is low have realized that a kind of prelarva lethality is low, and are easy to operate, the prelarva escapement ratio is low, the portable prelarva catching device that single net amount of fishing is high.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of embodiment 1 of the present utility model;
Accompanying drawing 2 is a kind of structural representations of embodiment 2 of the present utility model;
Accompanying drawing 3 is structure charts of retaining fillet of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as Fig. 1, shown in Figure 3, the utility model is a kind of portable prelarva catching device, the string bag 1, rack before comprising, the loop configuration of described rack for constituting by cross tube 6, sheer pole 9 and left and right sides vertical rod 4, and this rack is located at the openend of the preceding string bag 1.Before the string bag 1 be pyramidal structure, both sides are respectively equipped with a manrope 10 about it, the front end of this manrope 10 links to each other with rack, the rear end links to each other with a net cage 2, this net cage 2 comprises the net cage frame made by plank and is made the net cage that forms by screen cloth.Be respectively equipped with a wing lattice 3 in the left and right sides vertical rod 4 of the string bag 1 before described, be respectively equipped with a hand lever 5 on each wing lattice 3.Rear side is provided with one and leads lymphogranuloma inguinale 7, this is led lymphogranuloma inguinale 7 and is connected with net cage 2, lead lymphogranuloma inguinale 7 and be located at the middle part of net cage 2, the upside of leading lymphogranuloma inguinale 7 is used to block the retaining fishnet sheet 8 of leading lymphogranuloma inguinale and links to each other with one, left side, right side and the downside of this grade fishnet sheet 8 be all wide to go out to lead lymphogranuloma inguinale 3CM, retaining fishnet sheet is located at the inboard of net cage 2, and this spacing of leading lymphogranuloma inguinale 7 and the Ge Bian up and down of net cage 2 is 15CM, with the spacing of left and right sides Ge Bian be 25CM.
The utility model in use, the wing lattice that the operator hauls both sides by hand lever respectively drives catching device and travels forward.In moving process, can increase or reduce the angle between two wing lattices as required, reach the scope of fishing for that increases or reduce single net.The string bag before driving, the openend orientation movements direction of the string bag before making, and the pulling net cage moves forward, behind the string bag, because whole catching device is also preceding mobile at picture, a large amount of prelarvas can enter into net cage under the guide effect of the string bag before prelarva enters into, because only leading lymphogranuloma inguinale by one, the preceding string bag is connected with net cage, so prelarva is after entering into net cage, the possibility of swimming out of from net cage is very little again.Therefore before net cage is filled, can constantly advance to move by mobile this catching device and fish for, this makes that amount of fishing of its single net is bigger.Simultaneously, feasible also lower to the damage ratio of the prelarva on its at large dragging for because the escapement ratio of prelarva is lower, this has just created advantage for the prelarva of fishing for about 1cm alive.In when online, earlier the preceding string bag is pulled out the water surface, the prelarva round-up in the string bag in net cage, is connected water band prelarva with the vessel that can be filled with water again and catches out together, because prelarva leaving water not in the quilt process of fishing for has greatly reduced the lethality of prelarva.
Embodiment 2:
As shown in Figure 2, hand lever of the present utility model only is provided with one, and this hand lever is located at the cross tube 6 of rack, and this hand lever 5 is perpendicular with cross tube 6, and is in same plane with described rack.This scheme is not provided with wing lattice, makes the utility model realize the one man operation, and it is a kind of improvement project of present diddle-net, string bag rear side has added a net cage before existing, makes it easy to operate, and the prelarva escapement ratio is low, single net amount of fishing height is a significant improvement to diddle-net.
So it is low, easy to operate to the utlity model has the prelarva lethality, the prelarva escapement ratio is low, features such as single net amount of fishing height.
Claims (9)
1. portable prelarva catching device, comprise the preceding string bag (1), rack, it is characterized in that described before the rear side of the string bag (1) be provided with one and lead lymphogranuloma inguinale (7), this is led lymphogranuloma inguinale (7) and is connected with a net cage (2), this net cage (2) comprises the net cage frame and the net sheet of floating material, described rack is the loop configuration that is made of cross tube (6), sheer pole (9) and left and right sides vertical rod (4), and this net cage is set up in the openend of the preceding string bag (1).
2. a kind of portable prelarva catching device according to claim 1 is characterized in that the described preceding string bag (1) is pyramidal structure, and it is respectively equipped with two manropes (10) in both sides up and down, and the front end of this manrope links to each other with rack, and the rear end links to each other with net cage (2).
3. a kind of portable prelarva catching device according to claim 1 is characterized in that the described middle part that lymphogranuloma inguinale (7) is located at net cage (2) of leading, and this spacing of leading each limit up and down of lymphogranuloma inguinale (7) and net cage (2) is 10-35CM.
4. according to claim 1 or 2 or 3 described a kind of portable prelarva catching devices, it is characterized in that being respectively equipped with a wing lattice (3) in the left and right sides vertical rod (4) of the string bag before described.
5. a kind of portable prelarva catching device according to claim 4 is characterized in that described wing lattice (3) links to each other with a hand lever (5) respectively.
6. according to claim 1 or 2 or 3 described a kind of portable prelarva catching devices, it is characterized in that described cross tube (6) is provided with a hand lever (5), this hand lever and cross tube are perpendicular, and are in same plane with described rack.
7. according to claim 1 or 2 or 3 described a kind of portable prelarva catching devices, it is characterized in that described upside of leading lymphogranuloma inguinale (7) is used to block the retaining fishnet sheet (8) of leading lymphogranuloma inguinale and links to each other with one, left side, right side and the downside of this grade fishnet sheet (8) be all wide to go out to lead lymphogranuloma inguinale 2-5CM, and retaining fishnet sheet is located at the inboard of net cage.
8. a kind of portable prelarva catching device according to claim 5, it is characterized in that described upside of leading lymphogranuloma inguinale is used to block the retaining fishnet sheet of leading lymphogranuloma inguinale and links to each other with one, left side, right side and the downside of this grade fishnet sheet be all wide to go out to lead lymphogranuloma inguinale 2-5CM, and retaining fishnet sheet is located at the inboard of net cage.
9. a kind of portable prelarva catching device according to claim 6, it is characterized in that described upside of leading lymphogranuloma inguinale is used to block the retaining fishnet sheet of leading lymphogranuloma inguinale and links to each other with one, left side, right side and the downside of this grade fishnet sheet be all wide to go out to lead lymphogranuloma inguinale 2-5CM, and retaining fishnet sheet is located at the inboard of net cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120051258 CN201938225U (en) | 2011-03-01 | 2011-03-01 | Movable type fry fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120051258 CN201938225U (en) | 2011-03-01 | 2011-03-01 | Movable type fry fishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201938225U true CN201938225U (en) | 2011-08-24 |
Family
ID=44465584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120051258 Expired - Lifetime CN201938225U (en) | 2011-03-01 | 2011-03-01 | Movable type fry fishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201938225U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102187846A (en) * | 2011-03-01 | 2011-09-21 | 浙江省淡水水产研究所 | Mobile fry fishing apparatus |
| CN105076073A (en) * | 2015-06-30 | 2015-11-25 | 浙江海洋学院 | Aquaculture purse-net plat-net fishing device |
| CN105707021A (en) * | 2016-03-31 | 2016-06-29 | 周天赐 | Fishing device for aquaculture pond |
| CN107047492A (en) * | 2017-04-13 | 2017-08-18 | 浙江省海洋水产研究所 | A kind of selective fishing device |
| CN111972360A (en) * | 2020-09-01 | 2020-11-24 | 中国水产科学研究院南海水产研究所 | Special catching and expanding net for acete chinensis |
-
2011
- 2011-03-01 CN CN 201120051258 patent/CN201938225U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102187846A (en) * | 2011-03-01 | 2011-09-21 | 浙江省淡水水产研究所 | Mobile fry fishing apparatus |
| CN105076073A (en) * | 2015-06-30 | 2015-11-25 | 浙江海洋学院 | Aquaculture purse-net plat-net fishing device |
| CN105707021A (en) * | 2016-03-31 | 2016-06-29 | 周天赐 | Fishing device for aquaculture pond |
| CN107047492A (en) * | 2017-04-13 | 2017-08-18 | 浙江省海洋水产研究所 | A kind of selective fishing device |
| CN111972360A (en) * | 2020-09-01 | 2020-11-24 | 中国水产科学研究院南海水产研究所 | Special catching and expanding net for acete chinensis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110824 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |