CN109906987A - A kind of fish meal for eco-agricuhure system feeds device - Google Patents

A kind of fish meal for eco-agricuhure system feeds device Download PDF

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Publication number
CN109906987A
CN109906987A CN201910235743.XA CN201910235743A CN109906987A CN 109906987 A CN109906987 A CN 109906987A CN 201910235743 A CN201910235743 A CN 201910235743A CN 109906987 A CN109906987 A CN 109906987A
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China
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chamber
mixing tank
fixedly connected
hull
hollow axle
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CN201910235743.XA
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Chinese (zh)
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谢吉芳
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Individual
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Individual
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Priority to CN201910235743.XA priority Critical patent/CN109906987A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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Abstract

The invention discloses a kind of fish meals for eco-agricuhure system to feed device, including hull, the upper surface of the hull opens up fluted, the upper surface of the hull is fixedly connected with mixing tank, the upper end of the mixing tank is fixedly connected with driving motor, the output shaft of the driving motor runs through the upper end of mixing tank and is fixedly connected with bulk cargo disk, the lower end of the bulk cargo disk has been fixedly and coaxially connected hollow axle, and hollow axle is connected to bulk cargo disk, paddle is installed on the hollow axle, the interior bottom of the mixing tank offers first device chamber, the lower end of the hollow axle through mixing tank interior bottom and to extend to first device intracavitary, the interior bottom of the mixing tank offers second device chamber and sliding plug chamber.The present invention is by carrying out pre-humidifying to feed, the digestion and absorption after being conducive to fish feed, and user can observe the meal situation of the shoal of fish on hull, and the shoal of fish can follow hull mobile, to improve the amount of exercise of the shoal of fish, improve the quality of fish.

Description

A kind of fish meal for eco-agricuhure system feeds device
Technical field
The present invention relates to feed dispensing device technical field more particularly to a kind of fish meal throwings for eco-agricuhure system Feed device.
Background technique
The development of Chinese Fishery feedstuff industry generally speaking experienced three phases, the first stage be the 1980s with Before, feed is substantially using natural feed as Chinese Fishery feedstuff industry developing stage;Second stage is from the 1980s to 90 years Dai Mo, Chinese Fishery feedstuff industry start to develop, and technology and market gradually form, and feed industry annual output leaps to the second in the world Position;Phase III is after 2000, and Industry Policy standardizes increasingly, and market concentration degree enhancing, innovation is got the upper hand of as enterprise Road, hay varieties is increasing.
Current feed feeds device automatically and is mostly fed with vibrating to feed or orient, both device for feeding fish bait are installed on fishing On the water surface of field, the area for shedding feed is smaller, and feed compares concentration, and is that feed powder formation rate is higher, will lead to shoal of fish feeding It feeds unevenly, is unfavorable for the growth of the shoal of fish.
Therefore, inventing a kind of fish meal for eco-agricuhure system, to feed device necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed is used for ecological agriculture system The fish meal of system feeds device.
To achieve the goals above, present invention employs following technical solutions:
A kind of fish meal for eco-agricuhure system feeds device, including hull, the upper surface of the hull open up it is fluted, The upper surface of the hull is fixedly connected with mixing tank, and the upper end of the mixing tank is fixedly connected with driving motor, the driving The output shaft of motor runs through the upper end of mixing tank and is fixedly connected with bulk cargo disk, and the lower end of the bulk cargo disk has been fixedly and coaxially connected Hollow axle, and hollow axle is connected to bulk cargo disk, and paddle, the interior bottom of the mixing tank are equipped on the hollow axle Offer first device chamber, the interior bottom and intracavitary, the institute that extends to first device of the lower end of the hollow axle through mixing tank The interior bottom for stating mixing tank offers second device chamber and sliding plug chamber, and the second device chamber and sliding plug chamber are located at the first dress The two sides of chamber are set, the opposite inner wall of the first device chamber runs through equipped with push rod, and the hollow axle is located at first device chamber Interior one end is equipped with the pushing mechanism moved back and forth for driving push rod, and the intracavitary sealing of sliding plug slidably connects sliding plug, The sliding plug is fixedly connected on the side wall of push rod, and being equipped in the sliding plug only allows water unidirectional from the right side toward first moved left Valve, the side wall of the mixing tank are fixedly connected with Raw material pail, and the Raw material pail is connected to by passage with sliding plug chamber, and connectivity part Second one-way valve is installed, second device chamber is offered in the hull, the inner wall of the groove, which runs through, to be equipped in the horizontal direction The transmission shaft of setting, the second device is intracavitary to be equipped with transmission mechanism for driving transmission shaft to rotate, on the transmission shaft Auger conveying blade is installed, material-strewing device is installed in the groove, the material-strewing device includes being fixedly connected in groove The riser of bottom, the side wall of the riser are rotatably connected to fixed link, and the fixed link is equipped with position-limit mechanism, the riser Side wall circumferentially equidistantly offers limiting slot corresponding with multiple position-limit mechanism positions along it.
Preferably, the pushing mechanism includes the runner being fixedly connected on hollow axle, and the hollow axle, which runs through, to be turned Wheel, the push rod are located at the intracavitary one end of first device and are rotatably connected to connecting rod, and the connecting rod turns far from one end of push rod Dynamic one end for being connected to runner.
Preferably, the transmission mechanism includes the reciprocal lead screw for being fixedly connected on push rod and being located at the intracavitary one end of second device, Feed screw nut is installed, the feed screw nut has been fixedly and coaxially connected driving wheel, and the transmission shaft is located on the reciprocal lead screw The intracavitary one end of second device is fixedly connected with driven wheel, the driving wheel and driven wheel and is sequentially connected by conveyer belt.
Preferably, the side wall of the driven wheel has been fixedly and coaxially connected drive shaft, and the drive shaft runs through second device chamber Inner wall and extend to outside hull, one end that the drive shaft is located at outside hull is fixedly connected with impeller.
Preferably, the position-limit mechanism includes pressing plate, gag lever post and briquetting, and dress is offered in the side wall of the fixed link Slot is set, the pressing plate is arranged in device slot, and the pressing plate is connected on the inner wall of described device slot by spring, described Gag lever post and briquetting are fixedly connected on the side wall of pressing plate.
Preferably, the material-strewing device includes two driving wheels being rotatably connected on fixed link side wall, two biographies It is arranged with belt on driving wheel, is equidistantly equipped with scraper bowl on the belt, rotates coaxially connection on the driving wheel of the groove There is worm gear, the transmission shaft is rotatably connected to the worm screw being meshed with worm gear far from one end of driven wheel.
Preferably, the side wall of the mixing tank is equipped with feed hopper, and the lower end wall of the mixing tank is close to the side of groove Equipped with discharge gate.
Preferably, glued rubber sleeve in the briquetting is evenly equipped with anti-skid chequer on the rubber sleeve.
The invention has the following advantages:
1, driving motor rotation drives hollow axle rotation, and hollow axle rotation drives paddle to be stirred feed, hollow Shaft rotation is driven by runner and connecting rod, and connecting rod rotation drives push rod to move back and forth, and then drives sliding plug by Raw material pail Interior hydraulic pressure is intracavitary into first device, and is entered in bulk cargo disk by hollow axle, dissipates the cooperation of rotation of disc and paddle It mixes feed more uniform, and then achievees the purpose that soak feed;
2, drive reciprocal lead screw mobile by push rod, reciprocal lead screw is mobile to drive feed screw nut rotation, and feed screw nut rotation passes through Driving wheel and conveyer belt drive driven wheel rotation, and driven wheel rotation drives transmission shaft rotation, and transmission shaft rotation is conveyed by auger Blade conveys feed, easy to operate without manually conveying to the feed mixed;
3, it is rotated by worm screw and drives worm gear rotation, worm gear rotation drives belt rotation, and then makes scraper bowl by the feed in groove It scoops up and spreads to fish pond;
4, make the adjustable angle of fixed link by setting pressing plate, spring, gag lever post and briquetting, so it is adjustable feed away from From.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of fish meal for eco-agricuhure system proposed by the present invention feeds device;
Fig. 2 is structure enlargement diagram at the A in Fig. 1;
Fig. 3 is structure enlargement diagram at the B in Fig. 1;
Fig. 4 is the part-structure signal that a kind of fish meal for eco-agricuhure system proposed by the present invention feeds device hull Figure;
Fig. 5 is structure enlargement diagram at the C in Fig. 4.
In figure: 1 hull, 2 drive shafts, 3 driven wheels, 4 second device chambers, 5 transmission shafts, 6 auger conveying blades, 7 worm screws, 8 Riser, 9 scraper bowls, 10 driving wheels, 11 paddles, 12 fixed links, 13 worm gears, 14 grooves, 15 impellers, 16 feed hoppers, 17 driving electricity Machine, 18 bulk cargo disks, 19 mixing tanks, 20 Raw material pails, 21 passages, 22 runners, 23 first device chambers, 24 connecting rods, 25 push rods, 26 It is sliding plug, 27 sliding plug chambers, 28 second one-way valves, 29 first check valves, 30 discharge gates, 31 feed screw nuts, 32 second device chambers, 33 past Multifilament thick stick, 34 conveyer belts, 35 driving wheels, 36 belts, 37 springs, 38 pressing plates, 39 gag lever posts, 40 limiting slots, 41 briquettings, 42 dresses Set slot, 43 hollow axles.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.
Referring to Fig.1-5, a kind of fish meal for eco-agricuhure system feeds device, including hull 1, the upper end of hull 1 Face opens up fluted 14, and the upper surface of hull 1 is fixedly connected with mixing tank 19, and the side wall of mixing tank 19 is equipped with feed hopper 16, The lower end wall of mixing tank 19 is equipped with discharge gate 30 close to the side of groove 14, and the upper end of mixing tank 19 is fixedly connected with driving motor 17, the output shaft of driving motor 17 runs through the upper end of mixing tank 19 and is fixedly connected with bulk cargo disk 18, and the lower end of bulk cargo disk 18 is same Axis is fixedly connected with hollow axle 43, and hollow axle 43 is connected to bulk cargo disk 18, and paddle 11 is equipped on hollow axle 43, The interior bottom of mixing tank 19 offers first device chamber 23, and the lower end of hollow axle 43 is run through the interior bottom of mixing tank 19 and extended To first device chamber 23, the interior bottom of mixing tank 19 offers second device chamber 32 and sliding plug chamber 27, second device chamber 32 with Sliding plug chamber 27 is located at the two sides of first device chamber 23, and the opposite inner wall of first device chamber 23 runs through equipped with push rod 25.
One end that hollow axle 43 is located in first device chamber 23 is equipped with the promotion moved back and forth for driving push rod 25 Mechanism, pushing mechanism include the runner 22 being fixedly connected on hollow axle 43, and hollow axle 43 runs through runner 22, and push rod 25 It is rotatably connected to connecting rod 24 in one end in first device chamber 23, connecting rod 24 is rotatably connected on far from one end of push rod 25 One end of wheel 22.
Sealing slidably connects sliding plug 26 in sliding plug chamber 27, and sliding plug 26 is fixedly connected on the side wall of push rod 25, sliding plug 26 On be equipped with and only allow water from right toward the first check valve 29 moved left, the side wall of mixing tank 19 is fixedly connected with Raw material pail 20, Raw material pail 20 is connected to by passage 21 with sliding plug chamber 27, and connectivity part is equipped with second one-way valve 28, and the is offered in hull 1 Two devices chamber 4, the inner wall of groove 14, which runs through, is equipped with horizontally disposed transmission shaft 5.
Transmission mechanism for driving transmission shaft 5 to rotate is installed, transmission mechanism includes fixed connects in second device chamber 32 It connects and is located at the reciprocal lead screw 33 of one end in second device chamber 32 in push rod 25, feed screw nut 31, silk are installed on reciprocal lead screw 33 Thick stick nut 31 has been fixedly and coaxially connected driving wheel 35, and one end that transmission shaft 5 is located in second device chamber 4 is fixedly connected with driven wheel 3, driving wheel 35 is sequentially connected with driven wheel 3 by conveyer belt 34.
The side wall of driven wheel 3 has been fixedly and coaxially connected drive shaft 2, inner wall and extension of the drive shaft 2 through second device chamber 4 To outside hull 1, one end that drive shaft 2 is located at outside hull 1 is fixedly connected with impeller 15
Auger conveying blade 6 is installed on transmission shaft 5, material-strewing device is installed in groove 14, material-strewing device includes being fixedly connected The riser 8 of bottom in groove 14, the side wall of riser 8 are rotatably connected to fixed link 12, and material-strewing device includes being rotatably connected on admittedly Two driving wheels 10 on 12 side wall of fixed pole are arranged with belt 36 on two driving wheels 10, are equidistantly equipped with scraper bowl on belt 36 9, it is rotated coaxially on the driving wheel 10 of groove 14 and is connected with worm gear 13, transmission shaft 5 is rotatablely connected far from one end of driven wheel 3 There is the worm screw 7 being meshed with worm gear.
Fixed link 12 is equipped with position-limit mechanism, and the side wall of riser 8 circumferentially equidistantly offers and multiple position-limit mechanisms along it The corresponding limiting slot 40 in position, position-limit mechanism include pressing plate 38, gag lever post 39 and briquetting 41, are opened in the side wall of fixed link 12 Equipped with device slot 42, pressing plate 38 is arranged in device slot 42, and pressing plate 38 passes through 37 elastic connection of spring in the inner wall of device slot 42 On, gag lever post 39 and briquetting 41 are fixedly connected on the side wall of pressing plate 38, glued rubber sleeve, rubber sleeve in briquetting 41 On be evenly equipped with anti-skid chequer.
In the present invention, this feeds device when in use, and operator adds feed by feed hopper 16 in mixing tank 19, so The switch of driving motor 17 is opened afterwards, and the rotation of driving motor 17 drives hollow axle 43 to rotate, and the rotation of hollow axle 43, which drives, stirs It mixes leaf 11 to be stirred feed, the rotation of hollow axle 43 is driven by runner 22 and connecting rod 24, and the rotation of connecting rod 24 drives Push rod 25 moves back and forth, and then drives sliding plug 26 that the raw material in Raw material pail 20 is pressed into first device chamber 23, and by hollow Shaft 43 enters in bulk cargo disk 18, and it is more uniform that the rotation of bulk cargo disk 18 with the cooperation of paddle 11 mixes feed;
The feed mixed is entered in groove 14 by discharge gate 30, drives reciprocal lead screw 33 mobile by push rod 25, back and forth Lead screw 33 is mobile to drive feed screw nut 31 to rotate, and feed screw nut rotation drives 3 turns of driven wheel by driving wheel 35 and conveyer belt 34 Dynamic, the rotation of driven wheel 3 drives transmission shaft 5 to rotate, and the rotation of transmission shaft 5 conveys feed by auger conveying blade 6, without artificial right The feed mixed is conveyed, easy to operate;
Being rotated by worm screw 7 drives worm gear 13 to rotate, and the rotation of worm gear 13 drives belt 36 to rotate, and then makes scraper bowl 9 by groove 14 Interior feed is scooped up and is spread to fish pond;
Make the adjustable angle of fixed link 12 by setting pressing plate 38, spring 37, gag lever post 39 and briquetting 41, and then adjustable It is whole to feed distance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of fish meal for eco-agricuhure system feeds device, including hull (1), which is characterized in that the hull (1) Upper surface open up fluted (14), the upper surface of the hull (1) is fixedly connected with mixing tank (19), the mixing tank (19) Upper end be fixedly connected with driving motor (17), the output shaft of the driving motor (17) is through the upper end of mixing tank (19) and solid Surely it is connected with bulk cargo disk (18), the lower end of the bulk cargo disk (18) has been fixedly and coaxially connected hollow axle (43), and hollow axle (43) it is connected to bulk cargo disk (18), is equipped with paddle (11) on the hollow axle (43), the interior bottom of the mixing tank (19) Portion offers first device chamber (23), the lower end of the hollow axle (43) through mixing tank (19) interior bottom and extend to the In one device chamber (23), the interior bottom of the mixing tank (19) offers second device chamber (32) and sliding plug chamber (27), and described the Two devices chamber (32) and sliding plug chamber (27) are located at the two sides of first device chamber (23), and the first device chamber (23) is opposite Inner wall runs through equipped with push rod (25), and one end that the hollow axle (43) is located in first device chamber (23) is equipped with for driving The pushing mechanism that dynamic push rod (25) move back and forth, the interior sealing of the sliding plug chamber (27) slidably connect sliding plug (26), the sliding plug (26) it is fixedly connected on the side wall of push rod (25), being equipped on the sliding plug (26) only allows water from right toward move left first The side wall of check valve (29), the mixing tank (19) is fixedly connected with Raw material pail (20), and the Raw material pail (20) passes through passage (21) it is connected to sliding plug chamber (27), and connectivity part is equipped with second one-way valve (28), offers second device in the hull (1) Chamber (4), the inner wall of the groove (14), which runs through, is equipped with horizontally disposed transmission shaft (5), the second device chamber (32) Transmission mechanism for driving transmission shaft (5) to rotate inside is installed, auger conveying blade (6) are installed on the transmission shaft (5), Material-strewing device is installed, the material-strewing device includes the riser for being fixedly connected on groove (14) interior bottom in the groove (14) (8), the side wall of the riser (8) is rotatably connected to fixed link (12), and the fixed link (12) is equipped with position-limit mechanism, described perpendicular The side wall of plate (8) circumferentially equidistantly offers limiting slot (40) corresponding with multiple position-limit mechanism positions along it.
2. a kind of fish meal for eco-agricuhure system according to claim 1 feeds device, which is characterized in that described Pushing mechanism includes the runner (22) being fixedly connected on hollow axle (43), and the hollow axle (43) runs through runner (22), The push rod (25) is located at one end in first device chamber (23) and is rotatably connected to connecting rod (24), and the connecting rod (24) is separate One end of push rod (25) is rotatably connected on one end of runner (22).
3. a kind of fish meal for eco-agricuhure system according to claim 1 feeds device, which is characterized in that described Transmission mechanism includes being fixedly connected on the reciprocal lead screw (33) that push rod (25) is located at second device chamber (32) interior one end, described reciprocal It is equipped on lead screw (33) feed screw nut (31), the feed screw nut (31) has been fixedly and coaxially connected driving wheel (35), the biography One end that moving axis (5) is located in second device chamber (4) is fixedly connected with driven wheel (3), the driving wheel (35) and driven wheel (3) It is sequentially connected by conveyer belt (34).
4. a kind of fish meal for eco-agricuhure system according to claim 3 feeds device, which is characterized in that described The side wall of driven wheel (3) has been fixedly and coaxially connected drive shaft (2), and the drive shaft (2) runs through the inner wall of second device chamber (4) simultaneously Extend to hull (1) outside, the drive shaft (2) is located at the one end of hull (1) outside and is fixedly connected with impeller (15).
5. a kind of fish meal for eco-agricuhure system according to claim 1 feeds device, which is characterized in that described Position-limit mechanism includes pressing plate (38), gag lever post (39) and briquetting (41), offers device in the side wall of the fixed link (12) Slot (42), pressing plate (38) setting is in device slot (42), and the pressing plate (38) is by spring (37) elastic connection described On the inner wall of device slot (42), the gag lever post (39) and briquetting (41) are fixedly connected on the side wall of pressing plate (38).
6. a kind of fish meal for eco-agricuhure system according to claim 1 feeds device, which is characterized in that described Material-strewing device includes two driving wheels (10) being rotatably connected on fixed link (12) side wall, on two driving wheels (10) around Equipped with belt (36), scraper bowl (9) equidistantly are equipped on the belt (36), it is same on the driving wheel (10) of the groove (14) Axis is rotatably connected to worm gear (13), and the transmission shaft (5) is rotatably connected to far from the one end of driven wheel (3) and is meshed with worm gear Worm screw (7).
7. a kind of fish meal for eco-agricuhure system according to claim 1 feeds device, which is characterized in that described The side wall of mixing tank (19) is equipped with feed hopper (16), and the lower end wall of the mixing tank (19) is equipped with close to the side of groove (14) Discharge gate (30).
8. a kind of fish meal for eco-agricuhure system according to claim 5 feeds device, which is characterized in that described Glued rubber sleeve in briquetting (41) is evenly equipped with anti-skid chequer on the rubber sleeve.
CN201910235743.XA 2019-03-27 2019-03-27 A kind of fish meal for eco-agricuhure system feeds device Pending CN109906987A (en)

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CN201910235743.XA CN109906987A (en) 2019-03-27 2019-03-27 A kind of fish meal for eco-agricuhure system feeds device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112119959A (en) * 2020-10-12 2020-12-25 陈久强 Automatic feeding device for aquaculture
CN112808159A (en) * 2020-12-21 2021-05-18 江西云顺新能源有限公司 Preparation facilities of mould proof living beings shaping pellet fuel
CN112931352A (en) * 2021-01-25 2021-06-11 郭健胜 Automatic feeding system of ecological lake fry in new forms of energy city
CN113163738A (en) * 2021-03-21 2021-07-23 唐山哈船科技有限公司 Automatic feeding device for marine ranching
CN114365720A (en) * 2022-02-07 2022-04-19 安徽锦赋生态农业科技有限公司 Quantitative feeding device for spodoptera frugiperda
CN116849159A (en) * 2023-04-04 2023-10-10 湖南淳湘农林科技有限公司 Ecological tea seed powder dispersion and throwing device for shrimp culture

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112119959A (en) * 2020-10-12 2020-12-25 陈久强 Automatic feeding device for aquaculture
CN112808159A (en) * 2020-12-21 2021-05-18 江西云顺新能源有限公司 Preparation facilities of mould proof living beings shaping pellet fuel
CN112931352A (en) * 2021-01-25 2021-06-11 郭健胜 Automatic feeding system of ecological lake fry in new forms of energy city
CN112931352B (en) * 2021-01-25 2023-10-27 广州铭华水产养殖技术有限公司 Automatic feeding system for new energy city ecological lake fries
CN113163738A (en) * 2021-03-21 2021-07-23 唐山哈船科技有限公司 Automatic feeding device for marine ranching
CN114365720A (en) * 2022-02-07 2022-04-19 安徽锦赋生态农业科技有限公司 Quantitative feeding device for spodoptera frugiperda
CN116849159A (en) * 2023-04-04 2023-10-10 湖南淳湘农林科技有限公司 Ecological tea seed powder dispersion and throwing device for shrimp culture

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Application publication date: 20190621

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