CN105360079A - A device for catching a shrimp for scientific experiments during closed fishing seasons - Google Patents
A device for catching a shrimp for scientific experiments during closed fishing seasons Download PDFInfo
- Publication number
- CN105360079A CN105360079A CN201510683556.XA CN201510683556A CN105360079A CN 105360079 A CN105360079 A CN 105360079A CN 201510683556 A CN201510683556 A CN 201510683556A CN 105360079 A CN105360079 A CN 105360079A
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- shrimp
- shrimping cylinder
- guide pin
- netted shrimping
- cylinder
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- 241000238557 Decapoda Species 0.000 title claims abstract description 57
- 238000002474 experimental method Methods 0.000 title claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 6
- 230000002459 sustained effect Effects 0.000 claims description 4
- 241000143060 Americamysis bahia Species 0.000 abstract 1
- 239000000178 monomer Substances 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 241000238565 lobster Species 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- A01K69/00—Stationary catching devices
- A01K69/06—Traps
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The invention discloses a device for catching a shrimp for scientific experiments during closed fishing seasons and the device can realize single-body catching and avoid influencing normal growth or reproduction of fishes and shrimps during the closed fishing seasons, can be operated easily, and can float upwards automatically after the shrimp catching to realize the automatic net raising catching. The device disclosed by the invention comprises a supporting frame, a net-shaped shrimp catching cylinder and an automatic release device disposed on the net-shaped shrimp catching cylinder, wherein a vertical limiting sleeve is disposed on the supporting frame; the net-shaped shrimp catching cylinder is inserted in the vertical limiting sleeve; an upper limiting block is disposed on the upper portion of the outer side face of the net-shaped shrimp catching cylinder and located on the vertical limiting sleeve; a shrimp inlet hole is formed in the bottom face of the net-shaped shrimp catching cylinder, and a buoyancy device which can realize upward floating of the net-shaped shrimp catching cylinder is disposed on the top part of the net-shaped shrimp catching cylinder.
Description
Technical field
The present invention relates to a kind of shrimping device, be specifically related to a kind of closed fishing season scientific experiment shrimp trap setting.
Background technology
Due to destruction, the seriously polluted quality having influence on existence aquatic products in waters of water area ecological environment; On the other hand, along with the raising of people's living standard, while aquatic products production and consumption output improves greatly, the quality problems of aquatic products also more and more receive publicity.Therefore, the research whether being subject to pollution effect about the quality of aquatic products comes into one's own gradually; But first need to catch aquatic products sample to be detected before aquatic product quality monitoring.
Current shrimping device mostly is the shrimp-catching net, shrimp pot etc. of fishery harvesting; When shrimping, shrimp-catching net or shrimp pot are transferred in waters, then by plant equipment or manually operated mode, shrimp-catching net or shrimp pot are mentioned after a period of time has passed, thus complete a shrimping operating process.The shrimp-catching net of current this fishery harvesting, the catch of shrimp pot are large, and it is also used for catching shrimp to be detected when not being suitable for sampling observation aquatic product quality; Especially do not allow especially in during the closed fishing season to use.
On the other hand, the shrimp-catching net of current this fishery harvesting, shrimp pot need to play shrimp net by the mode of manual operation or lobster basket not only operates inconvenience, and cannot distinguish when hauling whether shrimp net or shrimping capture shrimp, multi-pass operation is often needed to catch shrimp, especially more inconvenient when deepwater regions shrimping.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, provide a kind of closed fishing season scientific experiment shrimp trap setting, it can carry out monomer seizure within the closed fishing season, and can not affect normal growth or the breeding of fishes and shrimps; And easy to operate, automatically can float after catching shrimp, realize automatic hauling and catch.
Technical scheme of the present invention is:
A kind of closed fishing season scientific experiment shrimp trap setting comprises bracing frame, netted shrimping cylinder and the automatic releasing device be arranged on netted shrimping cylinder, support frame as described above is provided with vertical stop collar, described netted shrimping cylinder is plugged in vertical stop collar, and the lateral surface top of netted shrimping cylinder is also positioned at above vertical stop collar and is provided with upper limit position block; Described automatic releasing device comprises the position-limiting drum being vertically arranged on netted shrimping cylinder inner top surface, be arranged on the side surface upper part of netted shrimping cylinder and the horizontal guide pin bushing be positioned at below vertical stop collar, slidably be arranged on the spacing pin in horizontal guide pin bushing, to be arranged on spacing pin lateral surface and to be positioned at the collar stop of netted shrimping cylinder, being set on spacing pin and Compress Spring between horizontal guide pin bushing and collar stop and be hinged on the touch pole of limiting block boom end; Described touch pole and horizontal guide pin bushing are positioned at the relative both sides of collar stop, and touch pole is provided with spacing fixture block, and described vertical stop collar lateral surface is provided with dodges through hole, and this dodges through hole and horizontal guide pin bushing is oppositely arranged, and described touch pole is through dodging through hole; The lower ending opening of described position-limiting drum, is positioned to dodge above through hole and is provided with bait pouch in position-limiting drum; Shrimp-entering mouth and shrimp-entering mouth self adaptation open/close structure is provided with in the middle part of the bottom surface of described netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure comprises and being arranged in netted shrimping cylinder and the hush panel be positioned at directly over shrimp-entering mouth, the connection push rod being arranged on the vertical guide pin bushing on the bottom surface of netted shrimping cylinder and being slidably arranged in vertical guide pin bushing, the upper end connecting push rod is connected with hush panel; The top of netted shrimping cylinder is provided with the buoyant device that netted shrimping cylinder can be made to float.
The closed fishing season scientific experiment of this programme adopts the mode of monomer seizure with shrimp trap setting, can not affect normal growth or the breeding of fishes and shrimps, thus can carry out monomer seizure within the closed fishing season, for monitoring aquatic product quality provides shrimp sample; On the other hand, it is easy to operate, automatically can float, realizes automatic hauling and catch after catching shrimp.
As preferably, when vertical stop collar is between upper limit position block and horizontal guide pin bushing, and connect the lower end of push rod and bracing frame lower end when being positioned at sustained height, between described hush panel and shrimp-entering mouth, there is gap.
As preferably, shrimp-entering mouth self adaptation open/close structure also comprises the Weight plate be positioned at below shrimp-entering mouth, and Weight plate parallels with hush panel, and the quantity of described vertical guide pin bushing is two, and two vertical guide pin bushings are positioned at the relative both sides of shrimp-entering mouth, the lower end of described connection push rod is connected with Weight plate.
As preferably, spacing pin is arranged with cutting ferrule, and this cutting ferrule is fixed on the medial surface of netted shrimping cylinder by connecting rod, described cutting ferrule and horizontal guide pin bushing are positioned at the relative both sides of collar stop.
As preferably, in position-limiting drum, be provided with LED.LED can be used for luring shrimp to enter position-limiting drum, thus triggers touch pole, thus is conducive to further enabling netted shrimping cylinder automatically can float after catching shrimp, realize automatic hauling.
As preferably, spacing pin is arranged with cutting ferrule, and this cutting ferrule is fixed on the medial surface of netted shrimping cylinder by connecting rod, described cutting ferrule and horizontal guide pin bushing are positioned at the relative both sides of collar stop.
As preferably, also comprise the first pull rope, one end of the first pull rope is connected with bracing frame.First pull rope may be used for reclaiming bracing frame, is conducive to the recycling of bracing frame.
As preferably, also comprise the second pull rope, one end of the second pull rope is connected with netted shrimping cylinder or buoyant device.Second pull rope not only may be used for transferring adopts shrimp instrument, and can also be conducive to obtaining netted shrimping cylinder after netted shrimping cylinder floats.
As preferably, the buoyancy of buoyant device is greater than the gravity sum of netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure and automatic releasing device, and is less than the gravity sum of netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure, automatic releasing device and bracing frame.
The invention has the beneficial effects as follows: monomer seizure can be carried out within the closed fishing season, for monitoring aquatic product quality provides shrimp sample, and normal growth or the breeding of fishes and shrimps can not be affected; Simultaneously easy to operate, automatically can float after catching shrimp, realize automatic hauling and catch.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of closed fishing season scientific experiment of the present invention shrimp trap setting.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
In figure: bracing frame 1, netted shrimping cylinder 2, automatic releasing device 3, horizontal guide pin bushing 31, spacing pin 32, Compress Spring 33, collar stop 34, cutting ferrule 35, touch pole 36, spacing fixture block 37, dodge through hole 38, position-limiting drum 39, bait pouch 310, LED 311, first pull rope 4a, the second pull rope 4b, buoyant device 5, upper limit position block 6, vertical stop collar 7, shrimp-entering mouth self adaptation open/close structure 8, hush panel 81, connection push rod 82, vertically guide pin bushing 83, Weight plate 84, shrimp-entering mouth 9.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As shown in Figure 1, a kind of closed fishing season scientific experiment shrimp trap setting comprises the first pull rope 4a, the second pull rope 4b, bracing frame 1, netted shrimping cylinder 2 and the automatic releasing device 3 be arranged on netted shrimping cylinder.One end of first pull rope is connected with bracing frame.Bracing frame is provided with vertical stop collar 7.Vertical stop collar circular in cross-section.Bracing frame comprise four around vertical stop collar circumference uniform vertical support bar.The bottom of vertical support bar is provided with stable counterweight.
Netted shrimping cylinder is cylinder.Netted shrimping cylinder is plugged in vertical stop collar.The closed at both ends up and down of netted shrimping cylinder.The lateral surface top of netted shrimping cylinder is also positioned at above vertical stop collar and is provided with upper limit position block 6.Shrimp-entering mouth 9 and shrimp-entering mouth self adaptation open/close structure 8 is provided with in the middle part of netted shrimping cylinder bottom surface.Shrimp-entering mouth self adaptation open/close structure comprises and being arranged in netted shrimping cylinder and the hush panel 81 be positioned at directly over shrimp-entering mouth, be positioned at the Weight plate 84 below shrimp-entering mouth, the connection push rod 82 being arranged on the vertical guide pin bushing 83 on the bottom surface of netted shrimping cylinder and being slidably arranged in vertical guide pin bushing.The quantity of vertical guide pin bushing is two, and two vertical guide pin bushings are positioned at the relative both sides of shrimp-entering mouth.Weight plate is positioned at the below of netted shrimping cylinder.Weight plate parallels with hush panel, and Weight plate and hush panel are with to be connected push rod perpendicular.Hush panel is for sealing screening shrimp-entering mouth.The upper end connecting push rod is connected with hush panel, and the lower end connecting push rod is connected with Weight plate.
The top of netted shrimping cylinder is provided with the buoyant device 5 that netted shrimping cylinder can be made to float.The buoyancy of buoyant device is greater than the gravity sum of netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure and automatic releasing device, and is less than the gravity sum of netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure, automatic releasing device and bracing frame.
As shown in Figure 1 and Figure 2, automatic releasing device 3 comprises the position-limiting drum 39 being vertically arranged on netted shrimping cylinder inner top surface, be arranged on the side surface upper part of netted shrimping cylinder and the horizontal guide pin bushing 31 be positioned at below vertical stop collar, slidably be arranged on the spacing pin 32 in horizontal guide pin bushing, to be arranged on spacing pin lateral surface and to be positioned at the collar stop 34 of netted shrimping cylinder, being set on spacing pin and Compress Spring 33 between horizontal guide pin bushing and collar stop and be hinged on the touch pole 36 of limiting block boom end.One end of spacing pin can move to outside netted shrimping cylinder along horizontal guide pin bushing.Spacing pin is arranged with cutting ferrule 35, and this cutting ferrule is fixed on the medial surface of netted shrimping cylinder by connecting rod.Cutting ferrule and horizontal guide pin bushing are positioned at the relative both sides of collar stop.Touch pole and horizontal guide pin bushing are positioned at the relative both sides of collar stop.Touch pole is provided with spacing fixture block 37.Vertical stop collar lateral surface is provided with dodges through hole 38.This dodges through hole and horizontal guide pin bushing is oppositely arranged.Dodge through hole and horizontal guide pin bushing is positioned at sustained height.Touch pole is through dodging through hole.When spacing fixture block is resisted against on position-limiting drum lateral surface, one end of spacing pin moves to outside netted shrimping cylinder.When collar stop is resisted against on cutting ferrule, the limiting block boom end near vertical stop collar moves in horizontal guide pin bushing.The lower ending opening of position-limiting drum.Be positioned to dodge above through hole and be provided with bait pouch 310 in position-limiting drum.Bait pouch is suspended in position-limiting drum by connection cord.LED 311 is provided with in position-limiting drum.LED is positioned to be dodged above through hole.One end of second pull rope is connected with netted shrimping cylinder or buoyant device.Bait pouch is built with bait for luring shrimp material.
When vertical stop collar is between upper limit position block and horizontal guide pin bushing, and connect the lower end of push rod and bracing frame lower end (namely with vertical support bar lower end) when being positioned at sustained height, between described hush panel and shrimp-entering mouth, there is gap.When vertical stop collar is between upper limit position block and horizontal guide pin bushing, the lower end of netted shrimping cylinder is positioned at the top of bracing frame lower end.
Closed fishing season scientific experiment of the present invention is as follows by the specific works process of shrimp trap setting:
The first, as shown in Figure 1 and Figure 2, be resisted against on position-limiting drum lateral surface by the spacing fixture block on touch pole, now one end of spacing pin moves to outside netted shrimping cylinder, and spacing pin is positioned at below vertical stop collar.
The second, place in water-bed (seabed) under shrimp instrument being adopted by the first pull rope or two pull ropes.After placing the bottom under adopting shrimp instrument, netted shrimping cylinder is erected at water-bed top by bracing frame; And Weight plate is resisted against on seabed, and by connecting push rod by hush panel jack-up, now have between hush panel and shrimp-entering mouth for the current gap (as shown in Figure 1) of shrimp.
3rd, when shrimp is entered into after in netted shrimping cylinder by shrimp-entering mouth, due to luring of bait pouch and LED, shrimp will be stretched into by position-limiting drum lower port, and the touch pole now in position-limiting drum is by up jack-up, and spacing fixture block is thrown off;
Then, at the effect lower limit pin of Compress Spring toward interior movement, until collar stop is resisted against on cutting ferrule, the limiting block boom end now near vertical stop collar moves in horizontal guide pin bushing;
Again then, under the effect of buoyant device, netted shrimping cylinder floats, and shrimp-entering mouth self adaptation open/close structure is under Gravitative Loads in netted shrimping cylinder floating-upward process, and envelope is hidden shrimp-entering mouth and prevents the shrimp of netted shrimping cylinder IT from being run away by shrimp-entering mouth by hush panel;
Finally, netted shrimping cylinder floats up to the water surface.
4th, bracing frame and netted shrimping cylinder can be regained by the first pull rope and the second pull rope by operator.Thus of the present invention to adopt shrimp instrument not only easy to operate, and automatically can float after catching shrimp, realize automatic hauling and catch.
Claims (8)
1. a closed fishing season scientific experiment shrimp trap setting, it is characterized in that, comprise bracing frame, netted shrimping cylinder and the automatic releasing device be arranged on netted shrimping cylinder, support frame as described above is provided with vertical stop collar, described netted shrimping cylinder is plugged in vertical stop collar, and the lateral surface top of netted shrimping cylinder is also positioned at above vertical stop collar and is provided with upper limit position block;
Described automatic releasing device comprises the position-limiting drum being vertically arranged on netted shrimping cylinder inner top surface, be arranged on the side surface upper part of netted shrimping cylinder and the horizontal guide pin bushing be positioned at below vertical stop collar, slidably be arranged on the spacing pin in horizontal guide pin bushing, to be arranged on spacing pin lateral surface and to be positioned at the collar stop of netted shrimping cylinder, being set on spacing pin and Compress Spring between horizontal guide pin bushing and collar stop and be hinged on the touch pole of limiting block boom end; Described touch pole and horizontal guide pin bushing are positioned at the relative both sides of collar stop, and touch pole is provided with spacing fixture block, and described vertical stop collar lateral surface is provided with dodges through hole, and this dodges through hole and horizontal guide pin bushing is oppositely arranged, and described touch pole is through dodging through hole; The lower ending opening of described position-limiting drum, is positioned to dodge above through hole and is provided with bait pouch in position-limiting drum;
Shrimp-entering mouth and shrimp-entering mouth self adaptation open/close structure is provided with in the middle part of the bottom surface of described netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure comprises and being arranged in netted shrimping cylinder and the hush panel be positioned at directly over shrimp-entering mouth, the connection push rod being arranged on the vertical guide pin bushing on the bottom surface of netted shrimping cylinder and being slidably arranged in vertical guide pin bushing, the upper end connecting push rod is connected with hush panel; The top of netted shrimping cylinder is provided with the buoyant device that netted shrimping cylinder can be made to float.
2. a kind of closed fishing season scientific experiment shrimp trap setting according to claim 1, it is characterized in that, when vertical stop collar is between upper limit position block and horizontal guide pin bushing, and connect the lower end of push rod and bracing frame lower end when being positioned at sustained height, between described hush panel and shrimp-entering mouth, there is gap.
3. a kind of closed fishing season scientific experiment shrimp trap setting according to claim 1, it is characterized in that, described shrimp-entering mouth self adaptation open/close structure also comprises the Weight plate be positioned at below shrimp-entering mouth, Weight plate parallels with hush panel, the quantity of described vertical guide pin bushing is two, and two vertical guide pin bushings are positioned at the relative both sides of shrimp-entering mouth, the lower end of described connection push rod is connected with Weight plate.
4. a kind of closed fishing season scientific experiment shrimp trap setting according to claim 1, it is characterized in that, described spacing pin is arranged with cutting ferrule, and this cutting ferrule is fixed on the medial surface of netted shrimping cylinder by connecting rod, described cutting ferrule and horizontal guide pin bushing are positioned at the relative both sides of collar stop.
5. a kind of closed fishing season scientific experiment shrimp trap setting according to claim 1 or 2 or 3 or 4, is characterized in that, be provided with LED in described position-limiting drum.
6. a kind of closed fishing season scientific experiment shrimp trap setting according to claim 1 or 2 or 3 or 5, it is characterized in that, also comprise the first pull rope, one end of the first pull rope is connected with bracing frame.
7. a kind of closed fishing season scientific experiment shrimp trap setting according to claim 1 or 2 or 3 or 4, is characterized in that, also comprise the second pull rope, one end of the second pull rope is connected with netted shrimping cylinder or buoyant device.
8. a kind of closed fishing season scientific experiment shrimp trap setting according to claim 1 or 2 or 3 or 4, it is characterized in that, the buoyancy of described buoyant device is greater than the gravity sum of netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure and automatic releasing device, and is less than the gravity sum of netted shrimping cylinder, shrimp-entering mouth self adaptation open/close structure, automatic releasing device and bracing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683556.XA CN105360079B (en) | 2015-10-20 | 2015-10-20 | A kind of closed fishing season scientific experiment shrimp trap setting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683556.XA CN105360079B (en) | 2015-10-20 | 2015-10-20 | A kind of closed fishing season scientific experiment shrimp trap setting |
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| Publication Number | Publication Date |
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| CN105360079A true CN105360079A (en) | 2016-03-02 |
| CN105360079B CN105360079B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510683556.XA Active CN105360079B (en) | 2015-10-20 | 2015-10-20 | A kind of closed fishing season scientific experiment shrimp trap setting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526892A (en) * | 2018-11-13 | 2019-03-29 | 浙江国际海运职业技术学院 | Efficient and convenient experiment shrimp capture device |
| CN111972366A (en) * | 2020-09-04 | 2020-11-24 | 芜湖韬博科技有限公司 | Diving lobster catcher bound by utilizing water pressure to drive |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951104A (en) * | 1974-04-12 | 1976-04-20 | Neff Gregor N | Collection and feeding of insects to animals and the sorting of aquatic animals |
| US4819369A (en) * | 1987-01-05 | 1989-04-11 | Ed Bodker | Apparatus for the "baitless" harvesting of crawfish |
| CN2054977U (en) * | 1989-09-04 | 1990-03-28 | 张少军 | Fishing tools of cage type |
| CN2091533U (en) * | 1991-04-27 | 1992-01-01 | 吴起良 | Fish cage trap |
| US5259809A (en) * | 1992-02-28 | 1993-11-09 | Rainey Jr Don E | Apparatus for harvesting shrimp |
| CN202931941U (en) * | 2012-10-25 | 2013-05-15 | 江汉大学 | Mesh cage for trapping live shrimps, live eels and fish |
-
2015
- 2015-10-20 CN CN201510683556.XA patent/CN105360079B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951104A (en) * | 1974-04-12 | 1976-04-20 | Neff Gregor N | Collection and feeding of insects to animals and the sorting of aquatic animals |
| US4819369A (en) * | 1987-01-05 | 1989-04-11 | Ed Bodker | Apparatus for the "baitless" harvesting of crawfish |
| CN2054977U (en) * | 1989-09-04 | 1990-03-28 | 张少军 | Fishing tools of cage type |
| CN2091533U (en) * | 1991-04-27 | 1992-01-01 | 吴起良 | Fish cage trap |
| US5259809A (en) * | 1992-02-28 | 1993-11-09 | Rainey Jr Don E | Apparatus for harvesting shrimp |
| CN202931941U (en) * | 2012-10-25 | 2013-05-15 | 江汉大学 | Mesh cage for trapping live shrimps, live eels and fish |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526892A (en) * | 2018-11-13 | 2019-03-29 | 浙江国际海运职业技术学院 | Efficient and convenient experiment shrimp capture device |
| CN109526892B (en) * | 2018-11-13 | 2021-06-11 | 浙江国际海运职业技术学院 | High-efficient convenient experiment shrimp trapping apparatus |
| CN111972366A (en) * | 2020-09-04 | 2020-11-24 | 芜湖韬博科技有限公司 | Diving lobster catcher bound by utilizing water pressure to drive |
| CN111972366B (en) * | 2020-09-04 | 2021-12-31 | 江苏三环奥纳科技有限公司 | Diving lobster catcher bound by utilizing water pressure to drive |
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| CN105360079B (en) | 2017-10-20 |
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