CN113875632B - Chicken coop aeration cooling device - Google Patents
Chicken coop aeration cooling device Download PDFInfo
- Publication number
- CN113875632B CN113875632B CN202111331644.5A CN202111331644A CN113875632B CN 113875632 B CN113875632 B CN 113875632B CN 202111331644 A CN202111331644 A CN 202111331644A CN 113875632 B CN113875632 B CN 113875632B
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- Prior art keywords
- fixedly connected
- rod
- lifting
- ventilation
- briquetting
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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
- A01K31/00—Housing birds
- A01K31/002—Poultry cages, e.g. transport boxes
- A01K31/005—Battery breeding cages, with or without auxiliary features, e.g. feeding, watering, demanuring, heating, ventilation
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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
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
Abstract
The invention discloses a chicken coop aeration and cooling device, which relates to the technical field of chicken coops and comprises a coop body, wherein the coop body is fixedly connected with an interval adjusting mechanism; the spacing adjusting mechanism is fixedly connected with the lifting plate mechanism and the lifting block mechanism; the lifting plate mechanism is fixedly connected with the cage body; the lifting block mechanism is fixedly connected with the top cover mechanism; the cage body side fixed connection ventilation subassembly, the ventilation subassembly includes ventilation baffle mechanism, briquetting mechanism and gag lever post mechanism, the invention can realize driving the lifter plate mechanism through setting up interval adjustment mechanism, and then realize driving the cage body and go up and down, thereby change the ventilation scene through the regulation of height, combine the lifter plate mechanism can realize the synchronous drive top cap mechanism, and then open the top of the cage body, improve the heat dissipation speed of the cage body, increased chicken coop aeration cooling's efficiency, enriched the function of the whole device simultaneously.
Description
Technical Field
The invention relates to the technical field of henhouses, in particular to a henhouse ventilation cooling device.
Background
The henhouse refers to a place where chickens inhabit, and comprises a core henhouse, a breeding henhouse, a brooding henhouse, a breeding henhouse, an egg-laying henhouse, a meat henhouse, an environment-safe type livestock and poultry henhouse and the like according to feeding objects.
In the prior art, the light-transmitting plate is arranged at the top of the henhouse main body, and whether the light-transmitting plate transmits light or not can be controlled through the shutter assembly, so that the application effect of the henhouse is improved; when the air is exhausted through the first exhaust head on the first ventilation pipe, the louver assemblies can be controlled to reciprocate, so that air turbulence is facilitated, the air dispersion effect is improved, and the ventilation and cooling effects on the top of the henhouse main body are further improved; when air is exhausted through a second air exhaust head on the second ventilation pipe, the ventilation and cooling can be directly carried out, so that the breeding quality of breeding hens is further improved; can discharge the hot-air in the chicken coop main part through the exhaust vent, but prior art can not realize opening whole top and ventilate, can not realize the synchronous ventilation of house side simultaneously, therefore the aeration-cooling ability is limited, so prior art has great improvement space.
Disclosure of Invention
The invention provides a chicken coop aeration cooling device, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a chicken coop aeration cooling device comprises a coop body,
the house body is fixedly connected with a spacing adjusting mechanism;
the spacing adjusting mechanism is fixedly connected with the lifting plate mechanism and the lifting block mechanism;
the lifting plate mechanism is fixedly connected with the cage body;
the lifting block mechanism is fixedly connected with the top cover mechanism;
house side fixed connection ventilation subassembly, ventilation subassembly includes ventilation baffle mechanism, briquetting mechanism and gag lever post mechanism, and briquetting mechanism is used for controlling the expansion state of ventilation baffle mechanism, and gag lever post mechanism is used for spacing briquetting mechanism.
As a preferred technical scheme of the invention, the distance adjusting mechanism comprises a motor support fixed on the shed body, the motor support is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a first threaded rod, the first threaded rod is rotatably connected with the shed body, the shed body is fixedly connected with a slide rod fixing seat, the slide rod fixing seat is fixedly connected with a slide rod, the first threaded rod is in threaded connection with two distance adjusting blocks, the distance adjusting blocks are in sliding connection with the slide rod, and threads arranged on the two distance adjusting blocks are reverse threads.
As a preferred technical solution of the present invention, the lifting plate mechanism includes a first rotating base fixed on the distance adjusting block, the first rotating base is rotatably connected to a first connecting rod, the first connecting rod is rotatably connected to a second rotating base, and the second rotating base is fixedly connected to the lifting plate.
As a preferable technical scheme of the invention, the lifting block mechanism comprises a first bevel gear fixedly connected with a first threaded rod, the first bevel gear is meshed with a second bevel gear, the second bevel gear is coaxially and fixedly connected with a second threaded rod, the second threaded rod is rotatably connected with a housing body, and the second threaded rod is in threaded connection with the lifting block.
As a preferred technical solution of the present invention, the top cover mechanism includes two third rotating seats fixed on the body, the third rotating seats are rotatably connected to the top cover, the lifting block is fixedly connected to the fourth rotating seat, the fourth rotating seat is rotatably connected to the second connecting rod, the second connecting rod is rotatably connected to the fifth rotating seat, the fifth rotating seat is fixedly connected to the top cover, one of the top covers is fixedly connected to the clamp column, and the other top cover is fixedly connected to the clamp ring.
As a preferred technical scheme of the invention, the ventilation baffle mechanism comprises a plurality of sixth rotating seats fixed on the house body, the sixth rotating seats are fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a reed, one end of the reed, far away from the rotating shaft, is fixedly connected with a baffle, the baffle is rotatably connected with the rotating shaft, a ventilation groove is formed in the house body, corresponding to the baffle, the baffle is rotatably connected with the rotating shaft, and the rotating shaft is rotatably connected with a connecting rod.
As a preferable technical scheme of the invention, the briquetting mechanism comprises a first spring fixed on the house body, one end of the first spring far away from the house body is fixedly connected with a briquetting, one side of the briquetting close to the house body is fixedly connected with a moving rod, the moving rod is in sliding connection with the house body, one end of the moving rod far away from the briquetting is fixedly connected with a stop block, and the lifting block is fixedly connected with a lifting adjusting block.
As a preferable technical scheme of the invention, the limiting rod mechanism comprises a mounting plate fixed on the house body, one side of the mounting plate far away from the stop block is fixedly connected with a second spring, one end of the second spring far away from the mounting plate is fixedly connected with a spring fixing plate, one side of the spring fixing plate close to the mounting plate is fixedly connected with a limiting rod, the limiting rod penetrates through the mounting plate and is in sliding connection with the mounting plate, and a limiting groove is formed in the stop block at a position corresponding to the limiting rod.
The invention has the following advantages: according to the invention, the lifting plate mechanism can be driven to drive the cage body to lift by arranging the spacing adjusting mechanism, the ventilation scene is changed by adjusting the height, the top cover mechanism can be synchronously driven by combining the lifting block mechanism, the top of the cage body is further opened, the heat dissipation speed of the cage body is improved, the state of the briquetting mechanism can be controlled by matching the lifting block mechanism and the limiting rod mechanism, the ventilation state of the ventilation baffle mechanism is further controlled, the ventilation and cooling efficiency of the chicken house is increased, and the functions of the whole device are enriched.
Drawings
Fig. 1 is a schematic structural view of a chicken house aeration cooling device.
Fig. 2 is a partially enlarged view of the area a in fig. 1.
Fig. 3 is a schematic structural view of a slide bar fixing seat and a slide bar in the chicken coop aeration cooling device.
In the figure: 1. a housing body; 2. a spacing adjustment mechanism; 201. a motor bracket; 202. a motor; 203. a first threaded rod; 204. a slide bar fixing seat; 205. a slide bar; 206. a spacing adjustment block; 3. a lifter plate mechanism; 301. a first rotating base; 302. a first link; 303. a second rotating base; 304. a lifting plate; 4. a cage body; 5. a lifting block mechanism; 501. a first bevel gear; 502. a second bevel gear; 503. a second threaded rod; 504. a lifting block; 6. a top cover mechanism; 601. a third rotating base; 602. a top cover; 603. a fourth rotating base; 604. a second link; 605. a fifth rotating base; 606. clamping the column; 607. a snap ring; 7. a ventilation baffle mechanism; 701. a sixth rotating base; 702. a rotating shaft; 703. a reed; 704. a baffle plate; 705. a ventilation slot; 706. a rotating shaft; 707. a connecting rod; 8. a briquetting mechanism; 801. a first spring; 802. briquetting; 803. a travel bar; 804. a stopper; 805. a lifting adjusting block; 9. a limiting rod mechanism; 901. mounting a plate; 902. a second spring; 903. a spring fixing plate; 904. a limiting rod; 905. a limiting groove; 10. a ventilation assembly.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a chicken house aeration and cooling device comprises a chicken house body 1,
the house body 1 is fixedly connected with a spacing adjusting mechanism 2;
the spacing adjusting mechanism 2 is fixedly connected with a lifting plate mechanism 3 and a lifting block mechanism 5;
the lifting plate mechanism 3 is fixedly connected with the cage body 4;
the lifting block mechanism 5 is fixedly connected with the top cover mechanism 6;
The interval adjusting mechanism 2 comprises a motor support 201 fixed on the house body 1, a motor 202 fixedly connected with the motor support 201, a first threaded rod 203 fixedly connected with an output shaft of the motor 202, the first threaded rod 203 is rotatably connected with the house body 1, a slide rod fixing seat 204 is fixedly connected with the house body 1, a slide rod 205 is fixedly connected with the slide rod fixing seat 204, the first threaded rod 203 is in threaded connection with two interval adjusting blocks 206, the interval adjusting blocks 206 are in sliding connection with the slide rod 205, and threads arranged on the two interval adjusting blocks 206 are reverse threads.
Specifically, when the motor 202 is started, the output shaft of the motor 202 rotates to drive the first threaded rod 203 to rotate, and the first threaded rod 203 rotates to enable the distance adjusting block 206 to approach or move away along the axis direction of the sliding rod 205.
The lifting plate mechanism 3 comprises a first rotating seat 301 fixed on the distance adjusting block 206, the first rotating seat 301 is rotatably connected with a first connecting rod 302, the first connecting rod 302 is rotatably connected with a second rotating seat 303, and the second rotating seat 303 is fixedly connected with a lifting plate 304.
Specifically, when the distance between the distance adjusting blocks 206 is reduced, the distance between the first rotating bases 301 is also reduced, and meanwhile, the lifting plate 304 is driven by the first connecting rod 302 to ascend, whereas when the distance between the distance adjusting blocks 206 is increased, the lifting plate 304 descends.
The lifting block mechanism 5 comprises a first bevel gear 501 fixedly connected with the first threaded rod 203, the first bevel gear 501 is meshed with a second bevel gear 502, the second bevel gear 502 is coaxially and fixedly connected with a second threaded rod 503, the second threaded rod 503 is rotatably connected with the housing 1, and the second threaded rod 503 is in threaded connection with a lifting block 504.
Specifically, the first threaded rod 203 rotates to drive the first bevel gear 501 to rotate, and the first bevel gear 501 rotates to realize the rotation of the second bevel gear 502, so as to realize the rotation of the second threaded rod 503, so that the lifting block 504 is lifted along the axis direction of the second threaded rod 503.
The top cover mechanism 6 comprises two third rotating seats 601 fixed on the body 1, the third rotating seats 601 are rotatably connected with the top cover 602, the lifting block 504 is fixedly connected with a fourth rotating seat 603, the fourth rotating seat 603 is rotatably connected with a second connecting rod 604, the second connecting rod 604 is rotatably connected with a fifth rotating seat 605, the fifth rotating seat 605 is fixedly connected with the top cover 602, one top cover 602 is fixedly connected with a clamping column 606, and the other top cover 602 is fixedly connected with a clamping ring 607.
Specifically, when the lifting block 504 ascends, the fourth rotating seat 603 moves, the top cover 602 rotates around the third rotating seat 601 through the second connecting rod 604, meanwhile, the clamping column 606 and the clamping ring 607 are not combined, the top cover 602 is gradually opened, and heat dissipation at the top of the body-cutting-off body 1 is realized.
The ventilation baffle mechanism 7 comprises a plurality of sixth rotating seats 701 fixed on the house body 1, the sixth rotating seats 701 are fixedly connected with a rotating shaft 702, the rotating shaft 702 is fixedly connected with a reed 703, one end of the reed 703, far away from the rotating shaft 702, is fixedly connected with a baffle 704, the baffle 704 is rotatably connected with the rotating shaft 702, a ventilation groove 705 is formed in the house body 1, corresponding to the baffle 704, the baffle 704 is rotatably connected with a rotating shaft 706, and the rotating shaft 706 is rotatably connected with a connecting rod 707.
Specifically, due to the existence of the spring 703, the baffle 704 is driven to rotate upwards, and when the connecting rod 707 rises, the baffle 704 rotates around the rotating shaft 702, so that the ventilation is enhanced.
The briquetting mechanism 8 comprises a first spring 801 fixed on the housing 1, one end of the first spring 801 far away from the housing 1 is fixedly connected with a briquetting 802, one side of the briquetting 802 close to the housing 1 is fixedly connected with a movable rod 803, the movable rod 803 is slidably connected with the housing 1, one end of the movable rod 803 far away from the briquetting 802 is fixedly connected with a stop block 804, and the lifting block 504 is fixedly connected with a lifting adjusting block 805.
Specifically, as the lifting block 504 rises, the lifting adjusting block 805 is driven to rise, and when the lifting adjusting block 805 contacts the pressing block 802, the moving rod 803 starts to slide relative to the housing 1, the first spring 801 is compressed, the stopper 804 moves, and the connecting rod 707 rises.
Example 2
Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: the limiting rod mechanism 9 comprises a mounting plate 901 fixed on the housing 1, one side of the mounting plate 901, which is far away from the stop block 804, is fixedly connected with a second spring 902, one end of the second spring 902, which is far away from the mounting plate 901, is fixedly connected with a spring fixing plate 903, one side of the spring fixing plate 903, which is close to the mounting plate 901, is fixedly connected with a limiting rod 904, the limiting rod 904 penetrates through the mounting plate 901 and is in sliding connection with the mounting plate 901, and a limiting groove 905 is formed in the stop block 804 corresponding to the limiting rod 904.
Specifically, inserting the stopper rod 904 into the stopper groove 905 also enables the connecting rod 707 to rise, so that the ventilation damper mechanism 7 is opened.
In the implementation process of the invention, when the height of the cage body 4 needs to be adjusted and the ventilation and cooling are accelerated, the spacing adjusting mechanism 2 is started at the moment to adjust and control the height of the lifting plate mechanism 3, the lifting plate mechanism 3 can drive the cage body 4 to rise at the moment, meanwhile, the spacing adjusting mechanism 2 can drive the lifting block mechanism 5 to work, so that the top cover mechanism 6 is opened, most of heat in the cage body 1 is dissipated through the top, meanwhile, the lifting block mechanism 5 can drive the briquetting mechanism 8 to work, so that the ventilation baffle mechanism 7 is unfolded, at the moment, the side direction of the cage body 1 can also ventilate and dissipate heat, if the ventilation state of the ventilation baffle mechanism 7 needs to be manually adjusted, at the moment, the ventilation baffle mechanism 7 can be adjusted through the limiting rod mechanism 9.
According to the invention, the lifting plate mechanism 3 can be driven by arranging the spacing adjusting mechanism 2, so that the cage body 4 is driven to lift, the ventilation scene is changed by adjusting the height, the top cover mechanism 6 can be synchronously driven by combining the lifting block mechanism 5, the top of the cage body 1 is further opened, the heat dissipation speed of the cage body 1 is improved, the state of the pressing block mechanism 8 can be controlled by matching the lifting block mechanism 5 and the limiting rod mechanism 9, the ventilation state of the ventilation baffle mechanism 7 is further controlled, the ventilation and cooling efficiency of the chicken coop is increased, and the functions of the whole device are enriched.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A chicken coop aeration cooling device is characterized by comprising a coop body,
the house body is fixedly connected with a spacing adjusting mechanism;
the spacing adjusting mechanism is fixedly connected with the lifting plate mechanism and the lifting block mechanism;
the lifting plate mechanism is fixedly connected with the cage body;
the lifting block mechanism is fixedly connected with the top cover mechanism;
the side edge of the house body is fixedly connected with a ventilation assembly, the ventilation assembly comprises a ventilation baffle mechanism, a briquetting mechanism and a limiting rod mechanism, the briquetting mechanism is used for controlling the unfolding state of the ventilation baffle mechanism, and the limiting rod mechanism is used for limiting the briquetting mechanism;
the spacing adjusting mechanism comprises a motor support fixed on the shed body, the motor support is fixedly connected with a motor, a motor output shaft is fixedly connected with a first threaded rod, the first threaded rod is rotatably connected with the shed body, the shed body is fixedly connected with a slide bar fixing seat, the slide bar fixing seat is fixedly connected with a slide bar, the first threaded rod is in threaded connection with two spacing adjusting blocks, the spacing adjusting blocks are in sliding connection with the slide bar, and threads arranged on the two spacing adjusting blocks are reverse threads;
the lifting plate mechanism comprises a first rotating seat fixed on the spacing adjusting block, the first rotating seat is rotatably connected with a first connecting rod, the first connecting rod is rotatably connected with a second rotating seat, and the second rotating seat is fixedly connected with the lifting plate;
the lifting block mechanism comprises a first bevel gear fixedly connected with a first threaded rod, the first bevel gear is meshed with a second bevel gear, the second bevel gear is coaxially and fixedly connected with a second threaded rod, the second threaded rod is rotatably connected with the lifting block, and the second threaded rod is in threaded connection with the lifting block;
the top cover mechanism comprises two third rotating seats fixed on the house body, the third rotating seats are rotatably connected with the top cover, the lifting block is fixedly connected with a fourth rotating seat, the fourth rotating seat is rotatably connected with a second connecting rod, the second connecting rod is rotatably connected with a fifth rotating seat, the fifth rotating seat is fixedly connected with the top cover, one top cover is fixedly connected with a clamping column, and the other top cover is fixedly connected with a clamping ring;
the ventilation baffle mechanism comprises a plurality of sixth rotating seats fixed on the house body, the sixth rotating seats are fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a reed, one end, away from the rotating shaft, of the reed is fixedly connected with a baffle, the baffle is rotationally connected with the rotating shaft, a ventilation groove is formed in the house body, corresponds to the baffle, and is rotationally connected with the rotating shaft, and the rotating shaft is rotationally connected with a connecting rod;
the briquetting mechanism comprises a first spring fixed on the shed body, one end of the first spring, which is far away from the shed body, is fixedly connected with a briquetting, one side of the briquetting, which is close to the shed body, is fixedly connected with a moving rod, the moving rod is in sliding connection with the shed body, one end of the moving rod, which is far away from the briquetting, is fixedly connected with a stop block, and the lifting block is fixedly connected with a lifting adjusting block;
along with the elevator rises, drive lift adjustment piece this moment and rise, when lift adjustment piece and briquetting contact, then the carriage release lever begins to give up the body relatively and slides this moment, and first spring is compressed, and the dog can remove simultaneously, and the connecting rod then can rise this moment.
2. A ventilating and cooling device for a chicken coop as claimed in claim 1, wherein the limiting rod mechanism comprises a mounting plate fixed on the coop body, a second spring is fixedly connected to one side of the mounting plate away from the stop block, a spring fixing plate is fixedly connected to one end of the second spring away from the mounting plate, a limiting rod is fixedly connected to one side of the spring fixing plate close to the mounting plate, the limiting rod passes through the mounting plate and is slidably connected to the mounting plate, and a limiting groove is formed in the stop block corresponding to the limiting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111331644.5A CN113875632B (en) | 2021-11-11 | 2021-11-11 | Chicken coop aeration cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111331644.5A CN113875632B (en) | 2021-11-11 | 2021-11-11 | Chicken coop aeration cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113875632A CN113875632A (en) | 2022-01-04 |
| CN113875632B true CN113875632B (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111331644.5A Active CN113875632B (en) | 2021-11-11 | 2021-11-11 | Chicken coop aeration cooling device |
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| Country | Link |
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| CN (1) | CN113875632B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB966392A (en) * | 1962-01-01 | 1964-08-12 | Alan George Lothian Wilson | Improvements in or relating to housing structures for poultry and small animals |
| JP2003164235A (en) * | 2001-12-03 | 2003-06-10 | Sugiura Torahiko | Large-scale disposing facility for bad smell of fowl dung in rearing fowl house |
| CN203708992U (en) * | 2014-01-24 | 2014-07-16 | 牛占英 | Ventilating structure of cultivation cage |
| CN108476985A (en) * | 2018-05-18 | 2018-09-04 | 金旭晨 | A kind of herding sheep raising aeration type breeding house that can fast clear up excrement |
| CN210406634U (en) * | 2019-06-10 | 2020-04-28 | 安徽黄氏番鸭食品有限公司 | Muscovy duck breeding is with duck house |
| CN212589627U (en) * | 2020-06-30 | 2021-02-26 | 张兰花 | Height-adjustable's poultry device of raising in cages |
-
2021
- 2021-11-11 CN CN202111331644.5A patent/CN113875632B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB966392A (en) * | 1962-01-01 | 1964-08-12 | Alan George Lothian Wilson | Improvements in or relating to housing structures for poultry and small animals |
| JP2003164235A (en) * | 2001-12-03 | 2003-06-10 | Sugiura Torahiko | Large-scale disposing facility for bad smell of fowl dung in rearing fowl house |
| CN203708992U (en) * | 2014-01-24 | 2014-07-16 | 牛占英 | Ventilating structure of cultivation cage |
| CN108476985A (en) * | 2018-05-18 | 2018-09-04 | 金旭晨 | A kind of herding sheep raising aeration type breeding house that can fast clear up excrement |
| CN210406634U (en) * | 2019-06-10 | 2020-04-28 | 安徽黄氏番鸭食品有限公司 | Muscovy duck breeding is with duck house |
| CN212589627U (en) * | 2020-06-30 | 2021-02-26 | 张兰花 | Height-adjustable's poultry device of raising in cages |
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| Publication number | Publication date |
|---|---|
| CN113875632A (en) | 2022-01-04 |
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