CN112616750A - Aquaculture fodder feeding device - Google Patents
Aquaculture fodder feeding device Download PDFInfo
- Publication number
- CN112616750A CN112616750A CN202110059968.1A CN202110059968A CN112616750A CN 112616750 A CN112616750 A CN 112616750A CN 202110059968 A CN202110059968 A CN 202110059968A CN 112616750 A CN112616750 A CN 112616750A
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- China
- Prior art keywords
- feeding
- stirring
- blade
- feed
- bin
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model provides a device is put in to aquaculture fodder, includes hull, first feeding storehouse, second feeding storehouse, motor and unloading pipe, and the hull top is equipped with the storage silo, and the storage silo top is equipped with first feeding storehouse, and first feeding storehouse right-hand member is equipped with second feeding storehouse, and first feeding storehouse right side lower extreme is equipped with mixes rabbling mechanism, mixes rabbling mechanism and contains urceolus, inner tube, teeter chamber, stirring vane, disc, pinion and internal gear. The invention provides an aquaculture feed feeding device, wherein an inner barrel is driven to rotate by a motor, feed in a first feeding bin uniformly and quantitatively enters a stirring chamber, other feed is added into the stirring chamber through a second feeding bin, the feed is uniformly stirred by stirring blades, and the uniformly stirred mixed feed is fed by a feeding pipe in the stirring chamber, so that the labor is saved, the feed is more uniformly mixed, and the feed feeding amount is more balanced.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to an aquaculture feed feeding device.
Background
The aquaculture industry uses water areas available for cultivation by human beings, and applies aquaculture technology and facilities to perform aquatic economic animal and plant cultivation according to the ecological habits of cultivation objects and different requirements on the environmental conditions of the water areas. The aquaculture needs to feed the aquatic products, wherein the feed feeding amount is an important link in the aquaculture, if the feeding amount is insufficient, the growth and development of the aquatic products can be influenced, the weight of the aquatic products is insufficient, the yield is reduced, the aquatic benefits are influenced, if the feeding amount is too large, the feed can be wasted, the water body pollution and the diseases are increased, and the aquaculture benefits are reduced.
Before the aquaculture fodder is put in, generally need mix the fodder, and traditional mixed means is that the manual work mixes, has not only aggravated workman's work load, causes the inhomogeneous of fodder mixture easily moreover to hinder the normal growth of aquatic products, at the in-process of throwing something and feeding, traditional manual work mode of throwing something and feeding also causes the fodder to throw something and feed the volume inhomogeneous easily, thereby is unfavorable for the growth of aquatic products. Therefore, in view of the current situation, there is an urgent need to provide a feed feeding device capable of automatically mixing and stirring feed and quantitatively feeding feed, so as to overcome the shortcomings in the current practical application.
Disclosure of Invention
The invention aims to provide an aquaculture feed feeding device to solve the technical problems in the background technology.
The embodiment of the invention is realized by the following steps:
an aquaculture feed feeding device comprises a ship body, a first feeding bin, a second feeding bin, a motor and a discharging pipe, wherein the storage bin is arranged above the ship body, the first feeding bin is arranged above the storage bin, the second feeding bin is arranged at the right end of the first feeding bin, a mixing and stirring mechanism is arranged at the right lower end of the first feeding bin, the mixing and stirring mechanism comprises an outer barrel, an inner barrel, stirring chambers, stirring blades, a disc, a pinion and an inner gear, the outer barrel is provided with two end openings, the left end opening of the outer barrel is communicated with the first feeding bin, the right end opening of the outer barrel is communicated with the discharging pipe, the inner barrel with the same axis is arranged in the outer barrel, the edges of the inner barrel are uniformly provided with the stirring chambers, the stirring chambers are attached to the inner wall of the outer barrel to form a closed space, the lower end of the second feeding bin is provided with a through hole for, the utility model discloses a mixing stirring machine, including inner gear and urceolus, inner gear and urceolus fixed connection, inner tube rear wall is equipped with the disc outward, disc and inner tube are with the axle center, and disc and inner tube fixed connection, the disc edge evenly is equipped with a plurality of pinions, the pinion passes through the bearing and is connected with the disc, and pinion and internal gear mesh mutually, be equipped with stirring vane in the pinion shaft, stirring vane is located the teeter chamber, it is equipped with the motor to mix the rabbling mechanism below.
Further, the motor is in transmission connection with the inner cylinder through a belt and a belt pulley.
Furthermore, a blocking piece with a certain thickness is arranged between the stirring chambers.
Further, the gear ratio of the internal gear to the pinion is 1: 10.
Further, the left end of the storage bin is provided with a bin gate, the left end of the first feeding bin is provided with a bin gate, and the upper end of the second feeding bin is provided with a bin gate.
Furthermore, a first transmission blade is arranged in the blanking pipe, the axis of the first transmission blade deviates rightwards relative to the center of the blanking pipe, an air guide pipe is arranged on the right side of the blanking pipe, a second transmission blade is arranged in the air guide pipe, and the first transmission blade and the second transmission blade are in transmission connection through a belt and a belt pulley.
Furthermore, the lower end of the air duct is provided with an underwater blade, the blade of the underwater blade is provided with a plurality of air holes, and a cavity in the underwater blade is respectively communicated with the air duct and the air holes.
The invention provides an aquaculture feed feeding device, which has the following beneficial effects:
(1) the invention provides an aquaculture feed feeding device, wherein an inner barrel is driven to rotate by a motor, feed in a first feeding bin uniformly and quantitatively enters a stirring chamber, other feed is added into the stirring chamber through a second feeding bin, the feed is uniformly stirred by stirring blades, and the uniformly stirred mixed feed is fed by a feeding pipe in the stirring chamber, so that the labor is saved, the feed is more uniformly mixed, and the feed feeding amount is more balanced.
(2) The invention provides an aquaculture feed feeding device, which drives a first transmission blade through mixed feed falling from a feeding pipe, and further drives a second transmission blade to blow air at the upper end of an air guide pipe into water, so as to increase the oxygen content in the water.
(3) The invention provides an aquaculture feed feeding device, which drives underwater blades and air holes formed in the underwater blades through water flow so that oxygen contained in air blown from an air guide pipe is better dissolved into water.
Drawings
Fig. 1 is a front sectional structural view of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1 according to the present invention.
FIG. 3 is a schematic view of the engagement structure of the pinion and the internal gear.
Fig. 4 is a partially enlarged view of the invention at B in fig. 1.
Fig. 5 is a partially enlarged view of the invention at C in fig. 1.
1-ship body, 2-storage bin, 3-first feeding bin, 4-second feeding bin, 5-outer cylinder, 6-inner cylinder, 7-baffle block, 8-stirring chamber, 9-stirring blade, 10-disc, 11-pinion, 12-internal gear, 13-blanking pipe, 14-first transmission blade, 15-second transmission blade, 16-gas guide tube, 17-motor, 18-underwater blade and 19-air hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 5, in the embodiment of the present invention, an aquaculture feed feeding device comprises a ship body 1, a first feeding bin 3, a second feeding bin 4, a motor 17 and a discharging pipe 13, wherein a storage bin 2 is arranged above the ship body 1, the first feeding bin 3 is arranged above the storage bin 2, the second feeding bin 4 is arranged at the right end of the first feeding bin 3, a mixing and stirring mechanism is arranged at the right lower end of the first feeding bin 3, the mixing and stirring mechanism comprises an outer cylinder 5, an inner cylinder 6, a stirring chamber 8, a stirring blade 9, a disc 10, a pinion 11 and an inner gear 12, the outer cylinder 5 is provided with two openings, the left opening is communicated with the first feeding bin 3, the right opening is communicated with the discharging pipe 13, the inner cylinder 6 with the same axis is arranged in the outer cylinder 5, the edges of the inner cylinder 6 are uniformly provided with a plurality of stirring chambers 8, the stirring chambers 8 are attached to the inner wall of the outer cylinder 5 to form a closed space, the, an internal gear 12 is arranged on the outer wall of the rear wall of the outer barrel 5, the internal gear 12 and the outer barrel 5 are coaxial, the internal gear 12 is fixedly connected with the outer barrel 5, a disk 10 is arranged on the outer wall of the rear wall of the inner barrel 6, the disk 10 and the inner barrel 6 are coaxial, the disk 10 is fixedly connected with the inner barrel 6, a plurality of pinions 11 are uniformly arranged on the edge of the disk 10, the pinions 11 are connected with the disk 10 through bearings, the pinions 11 are meshed with the internal gear 12, stirring blades 9 are arranged on the rotating shafts of the pinions 11, the stirring blades 9 are located in the stirring chamber 8, and a.
Preferably, the motor 17 is in transmission connection with the inner barrel 6 through a belt and a belt pulley.
Preferably, a shielding block 7 with a certain thickness is arranged between the stirring chambers 8 and used for shielding the feeding hole of the second feeding bin 4 to prevent material leakage in the static process.
Preferably, the gear ratio of the internal gear 12 to the pinion 11 is 1:10, and the smaller the gear ratio of the internal gear 12 to the pinion 11 is, the higher the stirring efficiency of the stirring blade 9 is.
Preferably, the left end of the storage bin 2 is provided with a bin gate, the left end of the first feeding bin 3 is provided with a bin gate, and the upper end of the second feeding bin 4 is provided with a bin gate.
Preferably, a first transmission blade 14 is arranged in the blanking pipe 13, the axis of the first transmission blade 14 is offset to the right relative to the center of the blanking pipe 13, an air guide pipe 16 is arranged on the right of the blanking pipe 13, a second transmission blade 15 is arranged in the air guide pipe 16, the first transmission blade 14 and the second transmission blade 15 are in transmission connection through a belt and a belt pulley, feed falling through the blanking pipe 13 drives the first transmission blade 14 to rotate, so that the second transmission blade 15 is driven to blow air into the air guide pipe 16, and the water oxygen content is increased by blowing the air into water.
Preferably, the lower end of the air duct 16 is provided with an underwater blade 18, the blade of the underwater blade 18 is provided with a plurality of air holes 19, a cavity in the underwater blade 18 is respectively communicated with the air duct 16 and the air holes 19, the ship body 1 moves forwards, water flow drives the underwater blade 18 to rotate, and oxygen contained in air blown by the air duct 16 is better dissolved into water by matching with the air holes 19.
The working principle is as follows:
in the fodder input process, the fodder in the first feeding storehouse 3 gets into in the teeter chamber 8 quantitatively, it is rotatory through inner tube 6, teeter chamber 8 is added to other fodder in the second feeding storehouse 4, simultaneously the rotation of inner tube 6 rotatory drive disc 10, internal gear 12 and pinion 11 constitute planet wheel mechanism, disc 10 rotates and drives pinion 11 and rotate and then drive stirring vane 9 and rotate, stirring vane 9 carries out the homogeneous mixing to the fodder in the teeter chamber 8, the fodder after mixing drops into the aquatic through unloading pipe 13, thereby realized the homogeneous mixing to the fodder, the ration is put in, the waste of fodder has been avoided, the manpower has also been saved simultaneously.
Claims (7)
1. An aquaculture feed feeding device comprises a ship body (1), a first feeding bin (3), a second feeding bin (4), a motor (17) and a discharging pipe (13), and is characterized in that the storage bin (2) is arranged above the ship body (1), the first feeding bin (3) is arranged above the storage bin (2), the second feeding bin (4) is arranged at the right end of the first feeding bin (3), a mixing and stirring mechanism is arranged at the right lower end of the first feeding bin (3), the mixing and stirring mechanism comprises an outer barrel (5), an inner barrel (6), a stirring chamber (8), stirring blades (9), a disc (10), a pinion (11) and an inner gear (12), the outer barrel (5) is provided with two end openings, the left end opening of the outer barrel is communicated with the first feeding bin (3), the right end opening of the outer barrel is communicated with the discharging pipe (13), the inner barrel (6) with the same axis is arranged in the outer barrel (5), the inner tube (6) is equipped with a plurality of teeter chambers (8) on the edge uniformly, teeter chamber (8) and urceolus (5) inner wall laminate mutually, form airtight space, second feeding storehouse (4) lower extreme is equipped with a through-hole and connects teeter chamber (8), urceolus (5) back wall is equipped with internal gear (12) outward, internal gear (12) and urceolus (5) are coaxial, and internal gear (12) and urceolus (5) fixed connection, inner tube (6) back wall is equipped with disc (10) outward, disc (10) and inner tube (6) are coaxial, and disc (10) and inner tube (6) fixed connection, disc (10) edge evenly is equipped with a plurality of pinion (11), pinion (11) are connected with disc (10) through the bearing, and pinion (11) mesh mutually with internal gear (12), be equipped with stirring vane (9) in pinion (11) pivot, the stirring blade (9) is positioned in the stirring chamber (8), and a motor (17) is arranged below the mixing and stirring mechanism.
2. An aquaculture feed delivery device according to claim 1, wherein said motor (17) is in drive connection with the inner drum (6) via belts and pulleys.
3. An aquaculture feed delivery device according to claim 1, wherein between said mixing chambers (8) is provided a thickness of a stopper (7).
4. An aquaculture feed delivery device according to claim 1, wherein the gear ratio of the internal gear (12) to the pinion (11) is 1: 10.
5. An aquaculture feed delivery device according to claim 1, wherein a gate is provided at the left end of the storage bin (2), a gate is provided at the left end of the first feeding bin (3), and a gate is provided at the upper end of the second feeding bin (4).
6. An aquaculture feed delivery device according to claim 1, wherein a first transmission blade (14) is arranged in the feeding pipe (13), the axis of the first transmission blade (14) is offset to the right relative to the center of the feeding pipe (13), an air duct (16) is arranged at the right side of the feeding pipe (13), a second transmission blade (15) is arranged in the air duct (16), and the first transmission blade (14) and the second transmission blade (15) are in transmission connection through a belt and a belt pulley.
7. An aquaculture feed delivery device according to claim 1, wherein the lower end of the air duct (16) is provided with an underwater blade (18), the blade of the underwater blade (18) is provided with a plurality of air holes (19), and a cavity in the underwater blade (18) is respectively communicated with the air duct (16) and the air holes (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059968.1A CN112616750B (en) | 2021-01-18 | 2021-01-18 | Aquaculture feed throwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059968.1A CN112616750B (en) | 2021-01-18 | 2021-01-18 | Aquaculture feed throwing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112616750A true CN112616750A (en) | 2021-04-09 |
| CN112616750B CN112616750B (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110059968.1A Active CN112616750B (en) | 2021-01-18 | 2021-01-18 | Aquaculture feed throwing device |
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| Country | Link |
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| CN (1) | CN112616750B (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8100162L (en) * | 1976-04-29 | 1981-01-13 | Hans Mueller | FISHERIES AND PROCEDURES FOR ITS MANUFACTURE |
| CN2041884U (en) * | 1988-11-11 | 1989-08-02 | 北京市农机研究所 | Heavy-smoke type ventilator |
| CN1043244A (en) * | 1988-12-12 | 1990-06-27 | 瞿斌 | A kind of aerator in water |
| KR20030071706A (en) * | 2003-08-13 | 2003-09-06 | 한상배 | Aerators with the Functions of muli-step mixing and sepataion |
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| CN102550466A (en) * | 2011-12-01 | 2012-07-11 | 中国水产科学研究院南海水产研究所 | Remote feeding system for aquaculture |
| CN103004683A (en) * | 2013-01-16 | 2013-04-03 | 广州大学 | Automatic feeding and aerating device for pound |
| CN103535308A (en) * | 2013-10-08 | 2014-01-29 | 威海长青海洋科技股份有限公司 | Bait spraying boat for aquaculture pond |
| CN103609517A (en) * | 2013-11-29 | 2014-03-05 | 无锡睿网科技有限公司 | Fish tank control system with the sterilization, permeation, feeding, cleaning and oxygenation functions |
| CN103858809A (en) * | 2014-02-07 | 2014-06-18 | 郑诗颖 | Air-conveying drag reducer and aerating and baiting integration machine |
| CN105145450A (en) * | 2015-09-25 | 2015-12-16 | 中国水产科学研究院淡水渔业研究中心 | Multifunctional automatic feeding boat for shrimp and crab culture |
| CN106286074A (en) * | 2016-08-29 | 2017-01-04 | 宁波市贤龙汽车配件有限公司 | A kind of automobile distributor controlled |
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| CN107027682A (en) * | 2017-06-19 | 2017-08-11 | 泉州市睿敏机电技术有限公司 | A kind of fish pond feeds device and feeding method and oxygenation method automatically |
| CN107969365A (en) * | 2017-11-04 | 2018-05-01 | 福州群欣企业管理咨询有限公司 | A kind of novel and multifunctional shrimps feed device automatically |
| CN108077144A (en) * | 2018-01-23 | 2018-05-29 | 松桃德科农业发展有限公司 | A kind of feedstuff feeding fishing boat used for aquiculture |
| CN207443990U (en) * | 2017-09-01 | 2018-06-05 | 仙游县森汶农业开发有限公司 | A kind of feedstuff feeding fishing boat used for aquiculture |
| CN207505744U (en) * | 2017-11-17 | 2018-06-19 | 珠海市华尔安科技有限公司 | A kind of cast feeder of cell structure |
| CN110367168A (en) * | 2019-08-22 | 2019-10-25 | 湖南天爱农业科技有限公司 | A kind of aquaculture equipment automatically adjusting feeding amount according to weather condition |
| CN111213608A (en) * | 2020-02-28 | 2020-06-02 | 江苏农林职业技术学院 | Unmanned aquaculture multifunctional operation boat |
| CN112189612A (en) * | 2020-12-02 | 2021-01-08 | 黄珍菊 | Aquatic product feeding device with feed supplement function |
-
2021
- 2021-01-18 CN CN202110059968.1A patent/CN112616750B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8100162L (en) * | 1976-04-29 | 1981-01-13 | Hans Mueller | FISHERIES AND PROCEDURES FOR ITS MANUFACTURE |
| CN2041884U (en) * | 1988-11-11 | 1989-08-02 | 北京市农机研究所 | Heavy-smoke type ventilator |
| CN1043244A (en) * | 1988-12-12 | 1990-06-27 | 瞿斌 | A kind of aerator in water |
| KR20030071706A (en) * | 2003-08-13 | 2003-09-06 | 한상배 | Aerators with the Functions of muli-step mixing and sepataion |
| CN2721620Y (en) * | 2005-02-07 | 2005-08-31 | 北京市水利科学研究所 | Water purifier with aeration for providing oxygen and underwater impeller |
| CN102349458A (en) * | 2011-08-11 | 2012-02-15 | 郑成忠 | Movable oxygenation device |
| CN102550466A (en) * | 2011-12-01 | 2012-07-11 | 中国水产科学研究院南海水产研究所 | Remote feeding system for aquaculture |
| CN103004683A (en) * | 2013-01-16 | 2013-04-03 | 广州大学 | Automatic feeding and aerating device for pound |
| CN103535308A (en) * | 2013-10-08 | 2014-01-29 | 威海长青海洋科技股份有限公司 | Bait spraying boat for aquaculture pond |
| CN103609517A (en) * | 2013-11-29 | 2014-03-05 | 无锡睿网科技有限公司 | Fish tank control system with the sterilization, permeation, feeding, cleaning and oxygenation functions |
| CN103858809A (en) * | 2014-02-07 | 2014-06-18 | 郑诗颖 | Air-conveying drag reducer and aerating and baiting integration machine |
| CN105145450A (en) * | 2015-09-25 | 2015-12-16 | 中国水产科学研究院淡水渔业研究中心 | Multifunctional automatic feeding boat for shrimp and crab culture |
| CN106286074A (en) * | 2016-08-29 | 2017-01-04 | 宁波市贤龙汽车配件有限公司 | A kind of automobile distributor controlled |
| CN205967091U (en) * | 2016-08-29 | 2017-02-22 | 宁波市贤龙汽车配件有限公司 | Make -up machine is pressed to stator |
| CN107027682A (en) * | 2017-06-19 | 2017-08-11 | 泉州市睿敏机电技术有限公司 | A kind of fish pond feeds device and feeding method and oxygenation method automatically |
| CN207443990U (en) * | 2017-09-01 | 2018-06-05 | 仙游县森汶农业开发有限公司 | A kind of feedstuff feeding fishing boat used for aquiculture |
| CN107969365A (en) * | 2017-11-04 | 2018-05-01 | 福州群欣企业管理咨询有限公司 | A kind of novel and multifunctional shrimps feed device automatically |
| CN207505744U (en) * | 2017-11-17 | 2018-06-19 | 珠海市华尔安科技有限公司 | A kind of cast feeder of cell structure |
| CN108077144A (en) * | 2018-01-23 | 2018-05-29 | 松桃德科农业发展有限公司 | A kind of feedstuff feeding fishing boat used for aquiculture |
| CN110367168A (en) * | 2019-08-22 | 2019-10-25 | 湖南天爱农业科技有限公司 | A kind of aquaculture equipment automatically adjusting feeding amount according to weather condition |
| CN111213608A (en) * | 2020-02-28 | 2020-06-02 | 江苏农林职业技术学院 | Unmanned aquaculture multifunctional operation boat |
| CN112189612A (en) * | 2020-12-02 | 2021-01-08 | 黄珍菊 | Aquatic product feeding device with feed supplement function |
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| CN112616750B (en) | 2023-05-09 |
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