CN112997758B - Agricultural technology promotes with vegetables cave dish growth information acquisition device - Google Patents
Agricultural technology promotes with vegetables cave dish growth information acquisition device Download PDFInfo
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- CN112997758B CN112997758B CN202110197397.8A CN202110197397A CN112997758B CN 112997758 B CN112997758 B CN 112997758B CN 202110197397 A CN202110197397 A CN 202110197397A CN 112997758 B CN112997758 B CN 112997758B
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- sliding
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/16—Dismountable or portable greenhouses ; Greenhouses with sliding roofs
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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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
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention discloses a vegetable plug growth information acquisition device for agricultural technology popularization, which comprises a box body, wherein a plurality of display screens are fixedly arranged on the box body, a plurality of partition plates are fixedly arranged on the box body, a bearing plate is arranged on each partition plate through a rolling mechanism, a fixing ring is fixedly arranged on each bearing plate, a pull rope is fixedly connected to each fixing ring, a pull ring is fixedly connected to each pull rope, and a plug is fixedly arranged on each bearing plate. Has the advantages that: have and remove convenient, the high characteristics of stability, in addition, still can carry out real-time information acquisition to the cave dish, then through the information display that the display screen will gather on the display screen, improved information acquisition's persuasion greatly, can carry out real-time comparison again between the information of a plurality of cave dish collections simultaneously to can select the temperature and the humidity condition of best planting cave dish.
Description
Technical Field
The invention relates to the technical field of vegetable plug information acquisition, in particular to a vegetable plug growth information acquisition device for agricultural technology popularization.
Background
The hole tray enables a small-sized utensil for planting vegetables or fruits to be generally suitable for planting anti-season vegetables or fruits, has the characteristics of convenience in carrying and simplicity and convenience in planting, is usually more used in families or small residential houses in fields, needs to acquire information of a plurality of hole trays when popularized, and is compared with common soil planting.
The prior information acquisition device for popularization has the following defects in the specific use process: 1. the display effect is poor in the popularization process, and the persuasion is poor due to the fact that the data for realizing comparison are used for comparison; 2. the volume is large, and the movement is inconvenient; 3. the plug planting results under a plurality of different growth conditions cannot be compared, and certain limitations exist.
Therefore, the novel vegetable plug growth information acquisition device for agricultural technology popularization can be adopted to solve the defects of the prior art.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a vegetable plug growth information acquisition device for agricultural technology popularization.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vegetable plug growth information acquisition device for agricultural technology popularization comprises a box body, wherein a plurality of display screens are fixedly mounted on the box body, a plurality of partition plates are fixedly mounted on the box body, each partition plate is provided with a bearing plate through a rolling mechanism, each bearing plate is fixedly provided with a fixing ring, each fixing ring is fixedly connected with a pull rope, each pull rope is fixedly connected with a pull ring, each bearing plate is fixedly provided with a plug, each plug is fixedly mounted with a heating wire, each plug is provided with two planting grooves, the two corresponding planting grooves are communicated through a communication pipe, each plug is provided with a drainage groove, each drainage groove is fixedly mounted with a filter screen, the box body is provided with a plurality of compression rods matched with the corresponding bearing plates through a sliding mechanism, every all install reply mechanism, every between depression bar and the box equal fixed mounting has a temperature-sensing ware and a humidity inductor, every on the depression bar equal fixed mounting has a probe one on the temperature-sensing ware, and equal fixed mounting has a probe two on every humidity inductor, every be connected for the electricity between temperature-sensing ware and humidity inductor all and the display screen that corresponds, fixed mounting has a plurality of cushions on the box, every all install a revolving rack, every through slewing mechanism on the cushion all rotate on the revolving rack and install a gyro wheel, every all install and correspond revolving rack and gyro wheel matched with fixed establishment on the cushion.
In foretell an agricultural technology promotes with vegetables cave dish growth information acquisition device, rolling mechanism includes support, pivot, turn trough, rubber wheel and draw-in groove, fixed mounting has a plurality of supports on the baffle, every two all seted up two turn troughs on the support, per two are corresponding rotate jointly on the turn trough and install a pivot, every equal fixed mounting has a rubber wheel in the pivot, every all set up on the carrier plate and correspond rubber wheel matched with draw-in groove.
In foretell an agricultural technology promotes with vegetables cave dish growth information acquisition device, slide mechanism package gleitbretter and cell body, every equal fixed mounting has a gleitbretter on the depression bar, set up on the box and correspond gleitbretter matched with cell body.
In the vegetable plug growth information acquisition device for agricultural technology popularization, the return mechanism comprises a third spring, and a third spring is fixedly installed between each slip sheet and the corresponding groove body.
In foretell an agricultural technology promotes with vegetables cave dish growth information acquisition device, slewing mechanism includes commentaries on classics piece and circular slot, every equal fixed mounting has a commentaries on classics piece on the revolving rack, every all set up on the cushion with corresponding commentaries on classics piece matched with circular slot.
In foretell an agricultural technology promotes with vegetables cave dish growth information acquisition device, fixed establishment includes tooth's socket, kelly, supports board, fixed plate and connecting rod, every equal fixed mounting has a fixed plate on the cushion, every all install the connecting rod through sliding construction on the fixed plate, every equal fixed mounting has a kelly and one and corresponds gyro wheel matched with support board, every on the connecting rod all seted up on the revolving rack and correspond kelly matched with tooth's socket.
In foretell an agricultural technology promotes with vegetables cave dish growth information acquisition device, sliding structure includes slider, spout and spring one, every equal fixed mounting has a slider on the connecting rod, every all set up on the fixed plate and correspond slider matched with spout, every equal fixed mounting has a spring one between slider and the spout that corresponds, every all install the block part between slider and the fixed plate that corresponds.
In foretell an agricultural technology promotes with vegetables cave dish growth information acquisition device, the block part includes pole setting, inserted bar, fixed block, spring two and pull rod, every equal fixed mounting has a pole setting, every in the slider equal slidable mounting has an inserted bar, every in the pole setting equal fixed mounting has a fixed block, every in the pole setting equal fixed mounting has a spring two, every between fixed block and the inserted bar that corresponds equal fixed mounting has a pull rod, every on the inserted bar all set up on the fixed plate and correspond inserted bar matched with slot.
Compared with the prior art, the invention has the advantages that:
1. through the cooperation use of display screen, temperature-sensing ware and humidity inductor, can carry out real-time information acquisition to the cave dish, then through the information display that the display screen will gather on the display screen, improved information acquisition's persuasion greatly.
2. Through setting up a plurality of baffles, carrier plate, can carry out information acquisition to a plurality of cave dishes, improve information acquisition efficiency greatly, still can carry out real-time comparison simultaneously between the information of a plurality of cave dish collection to can select the temperature and the humidity condition that the cave dish was planted to the best.
3. The device is convenient to move due to the matching of the cushion block, the rotating frame and the roller, and can be fixed by matching with the fixing plate, the abutting plate, the clamping rod and the tooth grooves, so that the stability of the device is greatly improved.
In conclusion, the invention has the characteristics of convenient movement and high stability, and in addition, the invention can acquire the real-time information of the plug trays and display the acquired information on the display screen through the display screen, thereby greatly improving the persuasion of information acquisition and simultaneously comparing the acquired information of a plurality of plug trays in real time, thereby screening out the optimal temperature and humidity conditions for planting the plug trays.
Drawings
Fig. 1 is a schematic structural diagram of a vegetable plug growth information acquisition device for agricultural technology promotion, which is provided by the invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is an enlarged schematic view of a portion C of FIG. 1;
FIG. 5 is an enlarged view of the portion D in FIG. 1;
fig. 6 is an enlarged schematic view of a portion E in fig. 1.
In the figure: the device comprises a box body 1, a display screen 2, a plug 3, a communicating pipe 4, a temperature sensor 5, a humidity sensor 6, a probe I7, a probe II 8, a pressure rod 9, a drainage groove 10, a filter screen 11, a support 12, a partition plate 13, a rotating shaft 14, a rotating groove 15, a rubber wheel 16, a bearing plate 17, a clamping groove 18, a cushion block 19, a rotating block 20, a rotating frame 21, a tooth groove 22, a clamping rod 23, a roller 24, a resisting plate 25, a fixing plate 26, a connecting rod 27, a sliding block 28, a sliding groove 29, a spring I30, a vertical rod 31, an inserted rod 32, a fixing block 33, a spring II 34, a pull rod 35, a fixing ring 36, a pull ring 37, a pull rope 38, a spring III 39 and an electric heating wire 40.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a vegetable cave disk growth information acquisition device for agricultural technology popularization comprises a box body 1, a plurality of display screens 2 are fixedly installed on the box body 1, a plurality of partition plates 13 are fixedly installed on the box body 1, a bearing plate 17 is installed on each partition plate 13 through a rolling mechanism, a fixing ring 36 is fixedly installed on each bearing plate 17, a pull rope 38 is fixedly connected on each fixing ring 36, a pull ring 37 is fixedly connected on each pull rope 38, a cave disk 3 is fixedly installed on each bearing plate 17, an electric heating wire 40 is fixedly installed on each cave disk 3, two planting grooves are respectively arranged on each cave disk 3, the two corresponding planting grooves are communicated through a communication pipe 4, a drainage groove 10 is respectively arranged on each cave disk 3, a filter screen 11 is fixedly installed on each drainage groove 10, a plurality of compression rods 9 matched with the corresponding bearing plate 17 are installed on the box body 1 through a sliding mechanism, a return mechanism is arranged between each compression bar 9 and the box body 1, a temperature sensor 5 and a humidity sensor 6 are fixedly arranged on each compression bar 9, a first probe 7 is fixedly arranged on each temperature sensor 5, a second probe 8 is fixedly arranged on each humidity sensor 6, each temperature sensor 5 and each humidity sensor 6 are electrically connected with the corresponding display screen 2, a plurality of cushion blocks 19 are fixedly arranged on the box body 1, a rotating frame 21 is arranged on each cushion block 19 through a rotating mechanism, a roller 24 is rotatably arranged on each rotating frame 21, and a fixing mechanism matched with the corresponding rotating frame 21 and the roller 24 is arranged on each cushion block 19;
the following points are notable:
1. the rolling mechanism includes support 12, pivot 14, the turn trough 15, rubber wheel 16 and draw-in groove 18, fixed mounting has a plurality of supports 12 on the baffle 13, two turn troughs 15 have all been seted up on every support 12, rotate jointly on every two corresponding turn troughs 15 and install a pivot 14, equal fixed mounting has a rubber wheel 16 in every pivot 14, all seted up on every carrier plate 17 and correspond rubber wheel 16 matched with draw-in groove 18, the effect that sets up like this is in order to reduce the frictional force between carrier plate 17 and the baffle 13.
2. Slide mechanism package gleitbretter and cell body, equal fixed mounting has a gleitbretter on every depression bar 9, has seted up on the box 1 with correspond gleitbretter matched with cell body, the effect that sets up like this is in order to reduce the frictional force between depression bar 9 and the box 1.
3. The restoring mechanism comprises a spring III 39, and a spring III 39 is fixedly arranged between each sliding sheet and the corresponding groove body, so that the restoring mechanism has the function of restoring the original position of the pressing rod 9.
4. The rotating mechanism comprises a rotating block 20 and circular grooves, each rotating frame 21 is fixedly provided with one rotating block 20, each cushion block 19 is provided with a circular groove corresponding to the corresponding rotating block 20, and the rotating mechanism is used for reducing the friction force between the rotating frame 21 and the cushion block 19.
5. Fixing mechanism includes tooth's socket 22, kelly 23, support board 25, fixed plate 26 and connecting rod 27, equal fixed mounting has a fixed plate 26 on every cushion 19, all install connecting rod 27 through sliding construction on every fixed plate 26, equal fixed mounting has a kelly 23 and one and corresponds gyro wheel 24 matched with support board 25 on every connecting rod 27, all seted up on every revolving rack 21 and correspond kelly 23 matched with tooth's socket 22, the effect that sets up like this is in order to fix gyro wheel 24 and revolving rack 21.
6. The sliding structure comprises a sliding block 28, a sliding groove 29 and a first spring 30, wherein a sliding block 28 is fixedly mounted on each connecting rod 27, the sliding groove 29 matched with the corresponding sliding block 28 is formed in each fixing plate 26, a first spring 30 is fixedly mounted between each sliding block 28 and the corresponding sliding groove 29, a clamping component is mounted between each sliding block 28 and the corresponding fixing plate 26, and the sliding structure is used for reducing friction force between the connecting rods 27 and the fixing plates 26.
7. The block part includes pole setting 31, inserted bar 32, fixed block 33, two 34 and the pull rod 35 of spring, equal fixed mounting has a pole setting 31 on every slider 28, equal slidable mounting has an inserted bar 32 on every pole setting 31, equal fixed mounting has a fixed block 33 on every pole setting 31, equal fixed mounting has two 34 of spring between every fixed block 33 and the inserted bar 32 that corresponds, equal fixed mounting has a pull rod 35 on every inserted bar 32, all seted up on every fixed plate 26 and correspond inserted bar 32 matched with slot, the effect that sets up like this is in order to fix slider 28.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The vegetable plug growth information acquisition device for agricultural technology popularization comprises a box body (1) and is characterized in that a plurality of display screens (2) are fixedly mounted on the box body (1), a plurality of partition plates (13) are fixedly mounted on the box body (1), each partition plate (13) is provided with a bearing plate (17) through a rolling mechanism, each bearing plate (17) is fixedly provided with a fixing ring (36), each fixing ring (36) is fixedly connected with a pull rope (38), each pull rope (38) is fixedly connected with a pull ring (37), each bearing plate (17) is fixedly provided with a plug (3), each plug (3) is fixedly mounted with an electric heating wire (40), each plug (3) is provided with two planting grooves, and the two corresponding planting grooves are communicated through a communication pipe (4), each hole tray (3) is provided with a water drainage groove (10), each water drainage groove (10) is fixedly provided with a filter screen (11), the box body (1) is provided with a plurality of pressing rods (9) matched with corresponding bearing plates (17) through a sliding mechanism, a return mechanism is arranged between each pressing rod (9) and the box body (1), each pressing rod (9) is fixedly provided with a temperature sensor (5) and a humidity sensor (6), each temperature sensor (5) is fixedly provided with a probe I (7), each humidity sensor (6) is fixedly provided with a probe II (8), each temperature sensor (5) and each humidity sensor (6) are electrically connected with corresponding display screens (2), and the box body (1) is fixedly provided with a plurality of cushion blocks (19), each cushion block (19) is provided with a rotating frame (21) through a rotating mechanism, each rotating frame (21) is rotatably provided with a roller (24), and each cushion block (19) is provided with a fixing mechanism matched with the corresponding rotating frame (21) and the corresponding roller (24);
the rolling mechanism comprises supports (12), rotating shafts (14), rotating grooves (15), rubber wheels (16) and clamping grooves (18), a plurality of supports (12) are fixedly installed on the partition plate (13), two rotating grooves (15) are formed in each support (12), one rotating shaft (14) is installed on each two corresponding rotating grooves (15) in a rotating mode, one rubber wheel (16) is fixedly installed on each rotating shaft (14), and each clamping groove (18) matched with the corresponding rubber wheel (16) is formed in each bearing plate (17);
the sliding mechanism comprises sliding sheets and groove bodies, each sliding sheet is fixedly installed on each pressing rod (9), and the groove bodies matched with the corresponding sliding sheets are formed in the box body (1);
the restoring mechanism comprises a third spring (39), and a third spring (39) is fixedly arranged between each sliding sheet and the corresponding groove body;
the rotating mechanism comprises rotating blocks (20) and circular grooves, each rotating frame (21) is fixedly provided with one rotating block (20), and each cushion block (19) is provided with a circular groove matched with the corresponding rotating block (20);
fixing mechanism includes tooth's socket (22), kelly (23), supports board (25), fixed plate (26) and connecting rod (27), every equal fixed mounting has a fixed plate (26), every on cushion (19) all install connecting rod (27), every through sliding construction on fixed plate (26) equal fixed mounting has a kelly (23) and one and corresponds gyro wheel (24) matched with support board (25), every on connecting rod (27) all seted up and correspond kelly (23) matched with tooth's socket (22) on revolving rack (21).
2. The vegetable plug growth information acquisition device for agricultural technology popularization according to claim 1, wherein the sliding structure comprises a sliding block (28), sliding grooves (29) and a first spring (30), each connecting rod (27) is fixedly provided with a sliding block (28), each fixing plate (26) is provided with a sliding groove (29) matched with the corresponding sliding block (28), a first spring (30) is fixedly arranged between each sliding block (28) and the corresponding sliding groove (29), and a clamping part is arranged between each sliding block (28) and the corresponding fixing plate (26).
3. The vegetable plug growth information acquisition device for agricultural technology popularization according to claim 2, wherein the clamping component comprises an upright rod (31), an insertion rod (32), a fixing block (33), a second spring (34) and a pull rod (35), each of the upright rods (31) is fixedly mounted on the sliding block (28), each of the upright rods (31) is slidably mounted with one insertion rod (32), each of the upright rods (31) is fixedly mounted with one fixing block (33), each of the two springs (34) is fixedly mounted between the fixing block (33) and the corresponding insertion rod (32), each of the insertion rods (32) is fixedly mounted with one pull rod (35), and each of the fixing plates (26) is provided with a slot matched with the corresponding insertion rod (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110197397.8A CN112997758B (en) | 2021-02-22 | 2021-02-22 | Agricultural technology promotes with vegetables cave dish growth information acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110197397.8A CN112997758B (en) | 2021-02-22 | 2021-02-22 | Agricultural technology promotes with vegetables cave dish growth information acquisition device |
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| Publication Number | Publication Date |
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| CN112997758A CN112997758A (en) | 2021-06-22 |
| CN112997758B true CN112997758B (en) | 2022-09-02 |
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| CN202110197397.8A Active CN112997758B (en) | 2021-02-22 | 2021-02-22 | Agricultural technology promotes with vegetables cave dish growth information acquisition device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3542530B2 (en) * | 1999-09-28 | 2004-07-14 | 株式会社刀川平和農園 | Quantitative cutting hopper for soil cultivation equipment |
| CN204272781U (en) * | 2014-11-25 | 2015-04-22 | 湘潭凌天六维节能环保科技有限公司 | Vegetable production line |
| CN106625512A (en) * | 2016-11-14 | 2017-05-10 | 无锡市乾泰金属构件厂 | Portable mobile tool box |
| CN207725445U (en) * | 2017-12-19 | 2018-08-14 | 类成刚 | A kind of medical instrument small handcart easy to use |
| CN108243774A (en) * | 2018-03-09 | 2018-07-06 | 闻斌壹 | A kind of trunk injector for pesticide injection trunk of suiting the medicine to the illness |
| CN208059943U (en) * | 2018-05-02 | 2018-11-06 | 江苏省农业科学院 | A kind of growth of seedling index determining device of Tomato |
| CN210903342U (en) * | 2019-09-10 | 2020-07-03 | 刘娜娜 | Disease inspection device for department of respiration |
| CN110731818B (en) * | 2019-10-15 | 2020-07-28 | 中南大学湘雅三医院 | Instrument strorage device is used in operation |
| CN212035125U (en) * | 2020-04-24 | 2020-12-01 | 山东鲁寿种业有限公司 | Vegetable seed seedling raising box |
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2021
- 2021-02-22 CN CN202110197397.8A patent/CN112997758B/en active Active
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