CN105010176A - Artificial fish reef with automatic bait throwing - Google Patents
Artificial fish reef with automatic bait throwing Download PDFInfo
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- CN105010176A CN105010176A CN201510264852.6A CN201510264852A CN105010176A CN 105010176 A CN105010176 A CN 105010176A CN 201510264852 A CN201510264852 A CN 201510264852A CN 105010176 A CN105010176 A CN 105010176A
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- bait
- bait container
- driving lever
- guide rod
- container
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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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- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention discloses an artificial fish reef with automatic bait throwing that comprises a plurality of reef bodies that are immersed in seawater, and further comprises a bait container, a conical pressing block, a movable baffle plate and a baffle plate driving lever. The bait container floats on the sea surface; a bottom of the bait container is provided with a delivery pipe; a rigid guide rod is fixedly disposed on a sinking block; the bait container is slidably sleeved on and connected to the guide rod; the conical pressing block is fixedly disposed on the guide rod; the baffle plate driving lever is hinge-connected to an interior of the bait container; the movable baffle plate is fixedly connected with an output end of the baffle plate driving lever; a tension spring is connected between an input end of the baffle plate driving lever and the bait container; the distance between the input end of the baffle plate driving lever and the guide bar is smaller than a diameter of the conical pressing block; when the input end of the baffle plate driving lever is only forced by the tension spring, the movable baffle plate is urged against an inner wall of the bait container; an automatic bait replenishing apparatus is further disposed in the bait container; the delivery pipe is provided with a plurality of branch delivery pipes; and each branch delivery pipe communicates with the delivery pipe and leads to the reef body separately.
Description
Technical field
The present invention relates to a kind of marine aquaculture facility, more particularly, it relates to a kind of Autoamtic bait putting formula artificial fish shelter.
Background technology
Along with improving constantly of living standard, the consumption demand of people to marine product is increasing, but traditional mode of going fishing on the sea is difficult to produce the fishery harvesting growth that can meet people's demand, therefore during the means that fishery practitioner has to drain the pond to get all the fish excessively are excavated, coastal water fishery resource or emit more risk to go deep into off-lying sea, cause marine ecology to be seriously damaged, fish production cost improves greatly.Throw in artificial fish shelter; then can provide a feasible approach for cracking an above-mentioned difficult problem; artificial fish shelter can improve marine ecosystem; build the good environment that marine organisms perch; there is provided consor, breeding, growth, forage for fish etc. and shelter the place of enemy; self-restraint fishing ground, reaches protection, breeds and improve the object of catch.Extensively carry out the reparation that the biological habitat of coastal ocean and fishing ground are carried out in artificial fish shelter construction at present both at home and abroad, and achieve good effect.But existing artificial fish shelter develops fish shelter local ecosystem mainly through the mode of self-assembling formation, and manual intervention is less, therefore the development of fish shelter local ecosystem is comparatively slow, and it is longer that benefit produces the cycle.Such as, if only by self-sow, algae in artificial fish shelter region and plankton need certain cycle just can grow up to, so the ecosystem carrying capacity in artificial fish shelter region and maintenance energy need slowly to accumulate formation, therefore, similar with the fixed-point grazing on grassland, while organic growth, suitably carry out manual intervention is of great advantage, in the period of expansion of fish shelter local ecosystem or even after being formed, input food, energy as a supplement, greatly can strengthen the capacity reserve of the ecosystem, improve the development speed of the ecosystem and anti-fluctuation, selfreparing potential, be conducive to the stable of the ecosystem, strengthening.So throw in the marine site of artificial fish shelter, suitably carrying out bait throwing in is also useful and necessity, but in larger input artificial fish shelter oceanic area, artificial bait throwing in workload is comparatively large, if adopt time saving and energy saving bait-laying device for fish greatly to facilitate fishing ground to manage.Publication number is that the utility model patent of CN203492589U discloses a kind of artificial fish shelter being applied to ferociousness fish fry and cultivating on March 26th, 2014, comprises outer coghill net, inner layer cylinder net, support short tube, bait pallet; It is online that described outer coghill net is enclosed within inner layer cylinder, and have gap between inner layer cylinder net outer wall and outer coghill net inwall, outer coghill net and inner layer cylinder Netcom cross support short tube and be fixed, and inner layer cylinder net inside is fixed with bait pallet.This invention has the features such as cost is low, manufacture craft is simple, maintenance management is convenient, it is by the hollow out net of HDPE polyethylene material and PVC plastic pipe being assembled according to the structure of design, formation interstitial space is large, water permeability strong, fry lures collection to hide effective artificial fish shelter, is with a wide range of applications in ferociousness fish fry is cultivated.But how this invention is not mentioned realizes bait throwing in high-effective and labour-saving.
Summary of the invention
Existing artificial fish shelter develops fish shelter local ecosystem mainly through the mode of self-assembling formation, manual intervention is less, therefore the development of fish shelter local ecosystem is comparatively slow, it is longer that benefit produces the cycle, for overcoming this defect, the invention provides one and regularly can carry out bait throwing in artificial fish shelter region by automatic pointing, contribute to the Autoamtic bait putting formula artificial fish shelter that the artificial fish shelter region ecosystem is stablized, strengthened.
Technical scheme of the present invention is: a kind of Autoamtic bait putting formula artificial fish shelter, comprise some reefs not in seawater, also comprise bait container, taper presses block, sideboard and barrier driving lever, bait container floats on sea, bait container bottom is provided with carrier pipe, sink to the bottom guide rod block being installed with rigidity, bait container is slidably socketed on guide rod, taper presses block and is fixedly arranged on guide rod, barrier driving lever is articulated with bait internal tank, sideboard and barrier driving lever output are connected, extension spring is connected with between barrier driving lever input and bait container, barrier driving lever input is less than to the distance of guide rod the diameter that taper presses block, when barrier driving lever input is only subject to extension spring effect, sideboard abuts with bait container inner wall, automatic makeup bait device is also provided with in bait container, carrier pipe is provided with some conveying arms, each conveying arm is all communicated with carrier pipe and leads to each reefs respectively.The present invention has the function of carrying out Autoamtic bait putting by tide, in automatic makeup bait device, enough bait is added in advance during use, automatic makeup bait device certain frequency and quantity delivered externally can provide bait, taper presses block and is arranged on the extreme higher position that bait container can reach, and this extreme higher position needs to determine according to long-term flood tide water-stage record.During ebb tide, bait container is with sea water level decreasing, barrier driving lever input is only by the tractive of extension spring around here, and make barrier driving lever output withstand bait container inner wall with sideboard, thus sideboard can hold the bait of automatic makeup bait unit feeding, at the incoming tide, bait container rises with sea water level, during hit the ceiling, taper presses the conical surface top pressure barrier driving lever input of block, overcome the pressure of extension spring, such barrier driving lever output leaves bait container inner wall with sideboard, namely become " open mode ", bait on sideboard falls into bait container bottom, and then enter each conveying arm by carrier pipe under gravity, each reefs position is assigned to via conveying arm, for the way of water surface dispenser bait in fish farming industry, use the present invention that bait can be avoided long apart from falling to retrodeviating from fish shelter without restriction in water, thus bait is transported to fish shelter position more exactly, make fish can obtain food easily in fish shelter region, this just greatly strengthen the attraction of artificial fish shelter to the shoal of fish.Owing to achieving Autoamtic bait putting, development and stabilization, the strengthening of the artificial fish shelter region ecosystem are promoted effectively, and fishing ground management difficulty also reduces greatly.
As preferably, described automatic makeup bait device comprises bracing wire, material-storing box, feeding spiro rod, winding wheel shaft and coiler, bracing wire one end is connected on guide rod, the other end is connected on coiler, material-storing box and coiler are fixed on bait internal tank, winding wheel shaft is connected to bait internal tank by a spindle rotation, pull wire coil is around on winding wheel shaft, feeding spiro rod is rotatably connected in material-storing box, material-storing box is provided with feed opening bottom one end, feeding spiro rod one end is exposed to outside material-storing box, the bared end of feeding spiro rod is provided with gear, the axostylus axostyle of winding wheel shaft be provided with can with the sector gear of gears meshing.Coiler makes bracing wire be in tensioning state all the time, in space between the helicoid that bait is pre-stored in feeding spiro rod, at bait container with in eustatic process, winding wheel shaft all can rotate, the bracing wire length changed on winding wheel shaft to guide rod between bracing wire fixing point changes to adapt to bait container position, when winding wheel shaft rotates, coordinating and driving feeding spiro rod to rotate by sector gear and gear, the rotation of feeding spiro rod is converted into again and promotes the axis of bait in material-storing box, push the bait put in place to fall from feed opening, arranged by rational matching relationship, can be implemented in taper and press block top pressure barrier driving lever input when sideboard is opened, sector gear and gear form empty engagement, feeding spiro rod stops feeding, and feeding spiro rod feeding is only carried out when sideboard closes.
As preferably, bait container center is provided with guide rod sleeve pipe, and guide rod runs through guide rod sleeve pipe, and guide rod sleeve pipe is provided with lever support, and barrier driving lever is hinged on lever support.Arranging guide rod sleeve pipe can make bait container bottom opening and bait internal tank isolate, and prevents seawater from directly entering in bait container from bait container bottom.
As preferably, bait container bottom is provided with funnel-form discharging structure.Funnelform bait container bottom has aggtegation, and sideboard discharges the bait fallen and can naturally concentrate, and is convenient to the efficient outer defeated of bait.
As preferably, carry arm bottom and reefs to fasten and connect.Conveying arm bottom and reefs are fastened and are connected, and prevent the drift of conveying arm bottom indefinite, guarantee that bait can be transported to fish shelter region by conveying arm.
The invention has the beneficial effects as follows:
Promote the ecosystem development and stabilization of artificial fish shelter region and strengthening.The present invention can strengthen the food supply in artificial fish shelter region; give the chance that the artificial fish shelter region ecosystem provides more rehabilitations; for the organic growth of the artificial fish reef area territory ecosystem provides useful protection, improve ecosystem carrying capacity and the maintenance energy of the artificial fish shelter region ecosystem.
Fishing ground is facilitated to manage.The present invention carries out Autoamtic bait putting regularly by tide dynamic force, can the enough bait of disposable deposit during management, then can need not enter fishing ground in a long time, and regularly perform relevant running regularly by fish shelter self, time saving and energy saving, greatly convenient management.
Energy-saving and environmental protecting.The present invention runs completely using tidal fluctuations as power, makes full use of natural energy resources, Non-energy-consumption, pollution-free, and energy-saving and environmental protecting are with low cost.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
In figure, 1-reefs, 2-bait container, 3-carrier pipe, 4-guide rod, 5-taper presses block, 6-coiler, 7-sideboard, 8-barrier driving lever, 9-extension spring, 10-bracing wire, 11-material-storing box, 12-feeding spiro rod, 13-feed opening, 14-gear, 15-sector gear, 16-winding wheel shaft, 17-guide rod sleeve pipe, 18-sea, 19-axostylus axostyle brace summer, 20-slewing rollers, 21-sinks to the bottom block, and 22-carries arm, and 23-fastens chain.
Embodiment
Below in conjunction with accompanying drawing specific embodiment, the invention will be further described.
Embodiment 1:
As shown in Figure 1, a kind of Autoamtic bait putting formula artificial fish shelter, comprise the reefs 1 that three are sunken to seabed, also comprise bait container 2, sink to the bottom block 21, taper presses block 5, sideboard 7 and barrier driving lever 8, bait container 2 floats on sea, sink to the bottom block 21 and be positioned at seabed below bait container 2, carrier pipe 3 is provided with bottom bait container 2, carrier pipe 3 bottom nozzle is connected with three conveying arms 22 made with flexible pipe, each conveying arm 22 is all communicated with carrier pipe 3 and leads to each reefs 1 respectively inclined downward, three reefs 1, a bait container 2, a carrier pipe 3 and three conveying arms 22 form an artificial fish shelter unit, three reefs 1 in each artificial fish shelter unit are arranged in equilateral triangle, bait container 2 is positioned at directly over this equilateral triangle center.Fasten chain 23 respectively by one between bait container 2 with three reefs 1 to be connected, each conveying arm 22 bottom is also fixed on corresponding reefs 1 with fastening chain 23.A slice marine site optionally arranges the quantity of artificial fish shelter unit.Sink to the bottom the guide rod 4 block 21 being installed with rigidity, bait container 2 is slidably socketed on guide rod 4, taper presses block 5 and is fixed on guide rod 4, and taper presses block 5 and is arranged on the extreme higher position that bait container 2 can reach, and this extreme higher position needs to determine according to long-term flood tide water-stage record.Be provided with funnel-form discharging structure bottom bait container 2, carrier pipe 3 is connected with bait container 2 in the minimum point of this funnel-form discharging structure, and above bottom bait container 2 is then cuboid.Bait container 2 center is provided with guide rod sleeve pipe 17, guide rod sleeve pipe 17 starts from bottom bait container 2, guide rod sleeve pipe 17 top is then positioned at the middle and upper part of bait container 2 inside, guide rod sleeve pipe 17 is formed isolated bottom bait container 2 to seawater, therefore seawater can not pour into bait container 2 inside bottom bait container 2.Guide rod 4 runs through guide rod sleeve pipe 17, guide rod sleeve pipe 17 is provided with lever support, barrier driving lever 8 is L-shaped, the folding portion of turning of barrier driving lever 8 is hinged on lever support, sideboard 7 and barrier driving lever 8 output are connected, extension spring 9 is connected with between barrier driving lever 8 input and bait container 2, extension spring 9 one end is connected on barrier driving lever 8, the other end is also arranged on guide rod sleeve pipe 17, barrier driving lever 8 input is less than to the distance of guide rod 4 taper diameter that taper presses block 5, barrier driving lever 8 input be only subject to extension spring 9 act on time, barrier driving lever 8 top input leans against on guide rod sleeve pipe 17, bottom barrier driving lever 8 away from guide rod 4 near bait container 2 inwall, sideboard 5 is in unturned " initial point " state, and be in lateral attitude, sideboard 7 front end abuts with bait container 2 inwall, lucky and bait container 2 inwall encloses the wedge shape cavity of an open-top, now sideboard 7 becomes the bottom of this cavity.And relative with the another two sides of the bait container 2 respectively all the time inwall in sideboard 7 both sides forms matched in clearance, therefore, the rotation of sideboard 7 can not be subject to bait container 2 inwall and stop, and the gap of sideboard 7 both sides and bait container 2 inwall is greater than again by the bait size that sideboard 7 is held, therefore can not fall from sideboard 7 both sides.Automatic makeup bait device is also provided with in bait container 2, this automatic makeup bait device comprises bracing wire 10, material-storing box 11, feeding spiro rod 12, winding wheel shaft 16 and coiler 6, the taper that bracing wire 10 one end is connected in guide rod 4 presses on block 5, the other end is connected on coiler 6, material-storing box 11 and coiler 6 are fixed on bait container 2 inwall, it is inner that winding wheel shaft 16 is connected to bait container 2 by a spindle rotation, this axostylus axostyle one end is rotatably connected on the inwall of bait container 2 side, the other end is rotatably connected on a unsettled axostylus axostyle brace summer 19, axostylus axostyle brace summer 19 two ends are fixed on bait container 2 inwall, slewing rollers 20 are provided with above winding wheel shaft 16, slewing rollers 20 are rotatably connected on bait container 2 inwall, bracing wire 10 is wound on winding wheel shaft 16 across forming substantially vertical trend after slewing rollers 20, feeding spiro rod 12 is rotatably connected in material-storing box 11, material-storing box 11 is provided with feed opening 13 bottom one end, feeding spiro rod 12 one end is exposed to outside material-storing box 11, the bared end of feeding spiro rod 12 is provided with gear 14, the axostylus axostyle of winding wheel shaft 16 is provided with the sector gear 15 that can engage with gear 14.Material-storing box 11 front end feed opening 13 is positioned at the top of this cavity.Bait container 2 is provided with dismountable protecting cover, and protecting cover top is left and can be held guide rod 4 and taper and press the through hole that block 5 passes.This Autoamtic bait putting formula artificial fish shelter is used for the dark marine site of depth of water 10-20 rice.
Coiler 6 makes bracing wire 10 be in tensioning state all the time, in space between the helicoid that bait is pre-stored in feeding spiro rod 12, in the process that bait container 2 is elevated with sea 18, winding wheel shaft 16 all can rotate, bracing wire 10 length on change winding wheel shaft 16 to guide rod 4 between bracing wire fixing point is to adapt to bait container 2 change in location, when winding wheel shaft 16 rotates, coordinating and driving feeding spiro rod 12 to rotate by sector gear 15 and gear 14, the rotation of feeding spiro rod 12 is converted into again and promotes the axis of bait in material-storing box 11, push the bait put in place to fall from feed opening 13, due to every day, the flux and reflux of seawater has certain rule, automatic makeup bait device certain frequency and quantity delivered externally can provide bait, in automatic makeup bait device, enough bait is added in advance during use, automatic makeup bait device certain frequency and quantity delivered externally can provide bait.During ebb tide, bait container 2 is with sea 18 water level decreasing, barrier driving lever 8 input is only by the tractive of extension spring 9 around here, and make barrier driving lever 8 output withstand bait container 2 inwall with sideboard, thus sideboard 7 can hold the bait of automatic makeup bait unit feeding; At the incoming tide, bait container 2 rises with sea water level, during hit the ceiling, taper presses conical surface top pressure barrier driving lever 8 input of block 5, overcome the pressure of extension spring 9, such barrier driving lever 8 output leaves bait container 2 inwall with sideboard 7, namely becomes " open mode ", bait on sideboard 7 falls into bait container bottom, and then is transported to fish shelter region under water by carrier pipe 3.Taper presses block 5 and pushes up pressure barrier driving lever 8 input when sideboard 7 is opened, and sector gear 15 and gear 14 form empty engagement, and feeding spiro rod 12 stops feeding, and feeding spiro rod 12 feeding is carried out when sideboard closes.
Use this Autoamtic bait putting formula artificial fish shelter; semi-natural cultivation of putting semi-artificial raising in a suitable place to breed can be carried out to fishing ground; manually bait is added in bait container 2; after bait enters carrier pipe 3; enter each conveying arm 22 under gravity, be assigned to each reefs 1 position via conveying arm 22, enrich food for artificial fish shelter provides; for the organic growth of the artificial fish reef area territory ecosystem provides useful protection, improve ecosystem carrying capacity and the maintenance energy of the artificial fish shelter region ecosystem.
Embodiment 2:
Each artificial fish shelter unit comprises five reefs, 1, bait container, 2, carrier pipe 3 and five conveying arms 20, and five reefs 1 in each artificial fish shelter unit are arranged in regular pentagon, and bait container 2 is positioned at directly over this regular pentagon center.All the other are with embodiment 1.
Claims (5)
1. an Autoamtic bait putting formula artificial fish shelter, comprise some reefs (1) not in seawater, it is characterized in that also comprising bait container (2), sink to the bottom block (21), taper presses block (5), sideboard (7) and barrier driving lever (8), bait container (2) floats on sea, sink to the bottom the seabed that block (21) is positioned at bait container (2) below, bait container (2) bottom is provided with carrier pipe (3), sink to the bottom the guide rod (4) block (21) being installed with rigidity, bait container (2) is slidably socketed on guide rod (4), taper presses block (5) and is fixedly arranged on guide rod (4), it is inner that barrier driving lever (8) is articulated with bait container (2), sideboard (7) and barrier driving lever (8) output are connected, extension spring (9) is connected with between barrier driving lever (8) input and bait container (2), barrier driving lever (8) input is less than to the distance of guide rod (4) taper diameter that taper presses block (5), when barrier driving lever (8) input is only subject to extension spring (9) effect, sideboard (7) abuts with bait container (2) inwall, automatic makeup bait device is also provided with in bait container (2), carrier pipe (3) is provided with some conveying arms, each conveying arm is all communicated with carrier pipe (3) and leads to each reefs (1) respectively.
2. Autoamtic bait putting formula artificial fish shelter according to claim 1, it is characterized in that described automatic makeup bait device comprises bracing wire (10), material-storing box (11), feeding spiro rod (12), winding wheel shaft (16) and coiler (6), bracing wire (10) one end is connected on guide rod (4), the other end is connected on coiler (6), it is inner that material-storing box (11) and coiler (6) are fixed on bait container (2), it is inner that winding wheel shaft (16) is connected to bait container (2) by a spindle rotation, bracing wire (10) is wound on winding wheel shaft (16), feeding spiro rod (12) is rotatably connected in material-storing box (11), feed opening (13) is provided with bottom material-storing box (11) one end, feeding spiro rod (12) one end is exposed to material-storing box (11) outward, the bared end of feeding spiro rod (12) is provided with gear (14), the axostylus axostyle of winding wheel shaft (16) is provided with the sector gear (15) that can engage with gear (14).
3. Autoamtic bait putting formula artificial fish shelter according to claim 1, it is characterized in that bait container (2) center is provided with guide rod sleeve pipe, guide rod (4) runs through guide rod sleeve pipe, and guide rod sleeve pipe is provided with lever support, and barrier driving lever (8) is hinged on lever support.
4. Autoamtic bait putting formula artificial fish shelter according to claim 1, is characterized in that bait container (2) bottom is provided with funnel-form discharging structure.
5. the Autoamtic bait putting formula artificial fish shelter according to claim 1 or 2 or 3 or 4, is characterized in that conveying arm bottom and reefs (1) company of fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510264852.6A CN105010176A (en) | 2015-05-22 | 2015-05-22 | Artificial fish reef with automatic bait throwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510264852.6A CN105010176A (en) | 2015-05-22 | 2015-05-22 | Artificial fish reef with automatic bait throwing |
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| Publication Number | Publication Date |
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| CN105010176A true CN105010176A (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510264852.6A Pending CN105010176A (en) | 2015-05-22 | 2015-05-22 | Artificial fish reef with automatic bait throwing |
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| CN (1) | CN105010176A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107736286A (en) * | 2017-11-03 | 2018-02-27 | 长沙理工大学 | One kind is used to tackle the extremely elevated coral nutrition supply device of ocean temperature |
| CN107897084A (en) * | 2017-11-15 | 2018-04-13 | 安徽华瑞医药技术开发有限公司 | A kind of adjustable continuous dosing device of fishery |
| CN110367170A (en) * | 2019-08-28 | 2019-10-25 | 惠州市渔业研究推广中心(广东省(惠州)区域性水产试验中心、广东省区域性水产技术推广(惠州)中心) | A kind of pond buoyant delivery device |
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| JPH08154525A (en) * | 1994-12-09 | 1996-06-18 | Masao Shiotani | Floating apparatus for artificial fish reef and apparatus for supplying feed to artificial fish reef |
| JPH11225614A (en) * | 1998-02-13 | 1999-08-24 | Masahisa Shimizu | Rotary fish gathering reef |
| CN2354366Y (en) * | 1998-07-13 | 1999-12-22 | 李树清 | Apparatus with level and hammer for feeding fishes timingly and in dosages |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107736286A (en) * | 2017-11-03 | 2018-02-27 | 长沙理工大学 | One kind is used to tackle the extremely elevated coral nutrition supply device of ocean temperature |
| CN107897084A (en) * | 2017-11-15 | 2018-04-13 | 安徽华瑞医药技术开发有限公司 | A kind of adjustable continuous dosing device of fishery |
| CN110367170A (en) * | 2019-08-28 | 2019-10-25 | 惠州市渔业研究推广中心(广东省(惠州)区域性水产试验中心、广东省区域性水产技术推广(惠州)中心) | A kind of pond buoyant delivery device |
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Application publication date: 20151104 |