CN113170641A - Agricultural production is with fertilization small handcart - Google Patents
Agricultural production is with fertilization small handcart Download PDFInfo
- Publication number
- CN113170641A CN113170641A CN202110387125.4A CN202110387125A CN113170641A CN 113170641 A CN113170641 A CN 113170641A CN 202110387125 A CN202110387125 A CN 202110387125A CN 113170641 A CN113170641 A CN 113170641A
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- CN
- China
- Prior art keywords
- mounting plate
- rotating shaft
- fertilization
- handle
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000004720 fertilization Effects 0.000 title claims abstract description 25
- 238000012271 agricultural production Methods 0.000 title claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 3
- 239000003337 fertilizer Substances 0.000 abstract description 23
- 235000021384 green leafy vegetables Nutrition 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 7
- 235000013311 vegetables Nutrition 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 208000019804 backache Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/02—Fertiliser distributors for hand use
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/005—Undercarriages, tanks, hoppers, stirrers specially adapted for seeders or fertiliser distributors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C19/00—Arrangements for driving working parts of fertilisers or seeders
- A01C19/04—Arrangements for driving working parts of fertilisers or seeders by a ground-engaging wheel
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention relates to a small handcart, in particular to a fertilization small handcart for agricultural production. The invention provides a small fertilizing cart for agricultural production, which can be used for fertilizing without stooping and can improve the fertilizing efficiency. A fertilization dolly for agricultural production, comprising: one side of the top of the mounting plate is connected with a handle; the bottom of the mounting plate is provided with a moving mechanism; the fertilizing mechanism is arranged on the mounting plate. The moving mechanism can facilitate the movement of the fertilizer applying mechanism, and the fertilizer applying mechanism can apply fertilizer to the leaf vegetables, so that the barrel filled with the fertilizer does not need to be manually lifted and stooped to apply the fertilizer to the leaf vegetables, and the effects of applying the fertilizer without stooping and improving the fertilizer applying efficiency are achieved.
Description
Technical Field
The invention relates to a small handcart, in particular to a fertilization small handcart for agricultural production.
Background
In order to enable the leaf green vegetables to have enough nutrients to grow, the leaf green vegetables are required to be frequently fertilized, the leaf green vegetables are generally fertilized manually at present, when the leaf green vegetables are fertilized manually, fertilizer is poured into a barrel, then the barrel is lifted manually, the fertilizer is grabbed from the barrel by the other hand, then the fertilizer is scattered beside the root of the leaf green vegetables by bending, the barrel filled with the fertilizer is required to be lifted manually for a long time in the fertilizing mode, the long-time bending work is required manually, so that the arms are easily sore, the waist is easily sore and backache, and the fertilizing efficiency can be reduced.
Therefore, the small fertilization trolley for agricultural production, which can fertilize without bending down and improve fertilization efficiency, needs to be developed.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defect that a barrel filled with fertilizer needs to be manually lifted to be stooped to fertilize leaf vegetables, and the fertilization efficiency is low.
(2) Technical scheme
In order to solve the above technical problem, the present invention provides a fertilization dolly for agricultural production, comprising: one side of the top of the mounting plate is connected with a handle; the bottom of the mounting plate is provided with a moving mechanism; the fertilizing mechanism is arranged on the mounting plate.
Preferably, the moving mechanism includes: the bottom of the mounting plate is connected with a tripod, one side of the bottom of the tripod is connected with a first supporting rod, the first supporting rod is rotatably connected with a connecting rotating rod, and two sides of the connecting rotating rod are rotatably connected with a first rotating shaft; the other side of the bottom of the tripod is connected with two second supporting rods, the second supporting rods are rotatably connected with special-shaped rotating rods, and the two sides of each special-shaped rotating rod are rotatably connected with second rotating shafts; the wheels are connected to the first rotating shaft and the second rotating shaft.
Preferably, the fertilizing mechanism comprises: the mounting plate is connected with the blanking barrel, and both sides of the blanking barrel are connected with blanking pipelines; the middle of the top of the mounting plate is connected with the first bracket; the side, close to the first support, of the top of the mounting plate is connected with a second support, both sides of the second support are rotatably connected with third rotating shafts, and one side of each third rotating shaft is connected with a full gear; the first support is connected with two movable supports in a sliding manner, and a connecting spring is connected between each movable support and the corresponding first support; one side of the movable frame is connected with a rack which is meshed with the full gear; the connecting rod, adjustable shelf opposite side are connected with the connecting rod, are connected with the baffle on the connecting rod, baffle and unloading bucket sliding fit, baffle and the cooperation of unloading pipeline.
Preferably, the device further comprises a manual control mechanism, wherein the manual control mechanism comprises: the handle is connected with the two mounting frames, the mounting frames are rotatably connected with a fourth rotating shaft, and the fourth rotating shaft is connected with a handle; the top of the mounting plate is connected with two first guide blocks at one side close to the handle; the reel, the epaxial opposite side of third pivot is connected with the reel, and it has the stay cord to wind on the reel, and the one end of stay cord is around on the reel, and the other end of stay cord is walked around first guide block and is connected on the handle.
Preferably, the device further comprises an auxiliary mechanism, wherein the auxiliary mechanism comprises: one side of the top of the mounting plate, which is close to the first guide block, is connected with a second guide block; the side, far away from the second guide block, of the top of the mounting plate is connected with the fixing block; one side, close to the fixed block, of the top of the mounting plate is connected with a guide rail, the guide rail is connected with a sliding block in a sliding mode, and one end of a pull rope is connected to the sliding block; and the reset spring is connected between the sliding block and the fixed block.
Preferably, the blanking barrel is divided into two compartments.
(3) Advantageous effects
The invention has the beneficial effects that: 1. the moving mechanism can facilitate the movement of the fertilizer applying mechanism, and the fertilizer applying mechanism can apply fertilizer to the leaf vegetables, so that the barrel filled with the fertilizer does not need to be manually lifted and stooped to apply the fertilizer to the leaf vegetables, and the effects of applying the fertilizer without stooping and improving the fertilizer applying efficiency are achieved;
2. the manual control mechanism can control the fertilizing mechanism to work, so that the fertilizing operation can be conveniently and quickly carried out, and the fertilizing efficiency can be further improved;
3. can assist manual control mechanism to carry out work through complementary unit to the work of fertiliziing that carries on that can be better.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the moving mechanism of the present invention.
Fig. 3 is a schematic perspective view of the fertilizing mechanism of the present invention.
Fig. 4 is a schematic perspective view of the manual control mechanism and the auxiliary mechanism of the present invention.
The labels in the figures are: 1-mounting plate, 2-handle, 3-moving mechanism, 31-first support rod, 32-second support rod, 33-connecting rotating rod, 34-first rotating shaft, 35-wheel, 36-special-shaped rotating rod, 37-second rotating shaft, 38-tripod, 4-fertilizing mechanism, 41-blanking barrel, 42-first support, 43-second support, 44-third rotating shaft, 45-movable frame, 46-connecting spring, 47-rack, 48-full gear, 49-connecting rod, 410-baffle, 411-blanking pipeline, 5-manual control mechanism, 51-mounting frame, 52-fourth rotating shaft, 53-handle, 54-first guide block, 55-reel, 56-pull rope, 6-auxiliary mechanism, 61-second guide block, 62-fixed block, 63-guide rail, 64-slide block and 65-return spring.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
A fertilization small handcart for agricultural production is shown in figures 1-3 and comprises a mounting plate 1, a handle 2, a moving mechanism 3 and a fertilization mechanism 4, wherein the handle 2 is connected to the right side of the top of the mounting plate 1, the moving mechanism 3 is arranged at the bottom of the mounting plate 1, and the fertilization mechanism 4 is arranged on the mounting plate 1.
The moving mechanism 3 comprises a first supporting rod 31, a second supporting rod 32, a connecting rotating rod 33, a first rotating shaft 34, wheels 35, a special-shaped rotating rod 36, a second rotating shaft 37 and a tripod 38, the bottom of the mounting plate 1 is connected with the tripod 38, the left side of the bottom of the tripod 38 is connected with the first supporting rod 31, the lower portion of the first supporting rod 31 is rotatably connected with the connecting rotating rod 33, the front side and the rear side of the connecting rotating rod 33 are rotatably connected with the first rotating shaft 34, the front side and the rear side of the bottom of the tripod 38 are symmetrically connected with the two second supporting rods 32, the lower portion of the second supporting rod 32 is rotatably connected with the special-shaped rotating rod 36, the front side and the rear side of the special-shaped rotating rod 36 are rotatably connected with the second rotating shaft 37, and the first rotating shaft 34 and the second rotating shaft 37 are connected with the wheels 35.
The fertilizing mechanism 4 comprises a blanking barrel 41, a first bracket 42, a second bracket 43, a third rotating shaft 44, a movable frame 45, a connecting spring 46, a rack 47, a full gear 48, a connecting rod 49, a baffle 410 and a blanking pipeline 411, the blanking barrel 41 is connected to the mounting plate 1 in an embedded manner, the blanking pipeline 411 is connected to the front side and the rear side of the blanking barrel 41, the first bracket 42 is connected to the middle of the top of the mounting plate 1, the second bracket 43 is connected to the top of the mounting plate 1, the second bracket 43 is positioned at the right side of the first bracket 42, the third rotating shaft 44 is rotatably connected to the front side and the rear side of the second bracket 43, the full gear 48 is connected to the third rotating shaft 44, the two movable frames 45 are symmetrically connected to the front side and the rear side of the first bracket 42 in a sliding manner, the connecting spring 46 is connected between the movable frame 45 and the first bracket 42, the rack 47 is connected to the right side of the movable frame 45, the rack 47 is engaged with the full gear 48, the connecting rod 49 is connected to the left side of the movable frame 45, the lower part of the connecting rod 49 is connected with a baffle 410, the baffle 410 is in sliding fit with the blanking barrel 41, and the baffle 410 is matched with the blanking pipeline 411.
When the leaf vegetables are to be fertilized, the device is pushed into a planting field, then fertilizer is poured into the blanking barrel 41, initially, the blanking pipeline 411 is blocked by the baffle plate 410, when the blanking pipeline 411 is to be blanked, the third rotating shaft 44 can be manually rotated to enable the full gear 48 to rotate, the full gear 48 can be rotated to enable the rack 47 to move upwards, the rack 47 moves upwards to drive the movable frame 45 to move upwards, the connecting spring 46 compresses along with the rack, the movable frame 45 moves upwards to enable the baffle plate 410 to move upwards through the connecting rod 49 without blocking the blanking pipeline 411, the fertilizer in the blanking barrel 41 falls beside the root of the leaf vegetables through the blanking pipeline 411, thereby achieving the purpose of fertilization, when the fertilizer does not need to fall, the third rotating shaft 44 is released, the movable frame 45 can move downwards to reset under the action of the connecting spring 46, the movable frame 45 moves downwards to reset to drive the components on the movable frame to move downwards to reset, thereby can make baffle 410 block unloading pipeline 411 again, promote handle 2 leftwards, wheel 35 rotates along with it, so can make this equipment remove, through the cooperation of connecting bull stick 33 and heterotypic bull stick 36, can be convenient for wheel 35 turns to can be convenient for this equipment and remove towards each direction, repeat above-mentioned operation, can repeat fertilization work. So can be convenient for this equipment through moving mechanism 3 and remove, can fertilize the leaf green vegetables through fertilizing mechanism 4 to need not artifical manual carrying the bucket that is equipped with fertilizer and bow and fertilize the leaf green vegetables, and then reached and need not to bow and fertilize, can improve the effect of fertilization efficiency.
Example 2
In addition to embodiment 1, as shown in fig. 1 and 4, the manual control device 5 further includes a manual control mechanism 5, the manual control mechanism 5 includes a mounting frame 51, a fourth rotating shaft 52, a handle 53, a first guide block 54, a reel 55 and a pull rope 56, two mounting frames 51 are connected to the top of the handle 2 in a front-back symmetrical manner, the fourth rotating shaft 52 is rotatably connected to the mounting frame 51, the handle 53 is connected to the fourth rotating shaft 52, two first guide blocks 54 are connected to the right side of the top of the mounting plate 1 in a front-back symmetrical manner, the first guide block 54 is located on the left side of the handle 2, the reel 55 is connected to the third rotating shaft 44, the pull rope 56 is wound on the reel 55, one end of the pull rope 56 is wound on the reel 55, and the other end of the pull rope 56 is connected to the handle 53 by winding on the first guide block 54.
When fertilization is to be performed, the handle 53 can be pressed downwards, the reel 55 can be rotated through the pull rope 56, the reel 55 rotates to drive the third rotating shaft 44 to rotate, the movable frame 45 can be moved upwards, the connecting spring 46 is compressed, the handle 53 is loosened, the movable frame 45 can be moved downwards to reset under the action of the connecting spring 46, the movable frame 45 is moved downwards to drive the rack 47 to move downwards, the rack 47 moves downwards to enable the third rotating shaft 44 to rotate reversely through the all-gear 48, the pull rope 56 is retracted along with the reverse rotation of the reel 55, and the fertilization can be performed conveniently and quickly. Can control fertilizing mechanism 4 through manual control mechanism 5 like this and carry out work to can convenient, swift fertilization work, improvement fertilization efficiency that can be further.
Example 3
On the basis of embodiment 2, as shown in fig. 1 and 4, the device further comprises an auxiliary mechanism 6, wherein the auxiliary mechanism 6 comprises a second guide block 61, a fixed block 62, a guide rail 63, a sliding block 64 and a return spring 65, the top of the mounting plate 1 is connected with the two second guide blocks 61 in a front-back symmetrical manner, the second guide block 61 is located on the left side of the first guide block 54, the left side of the top of the mounting plate 1 is connected with the two fixed blocks 62 in a front-back symmetrical manner, the left side of the top of the mounting plate 1 is connected with the two guide rails 63 in a front-back symmetrical manner, the guide rail 63 is located on the right side of the fixed block 62, the sliding block 64 is connected on the guide rail 63 in a sliding manner, one end of the pull rope 56 is connected to the sliding block 64, and the return spring 65 is connected between the sliding block 64 and the fixed block 62.
When the handle 53 is pressed downward, the slider 64 can be moved rightward by the pull cord 56, the return spring 65 is accordingly stretched, the handle 53 is loosened, the slider 64 can be moved leftward by the return spring 65 to be returned, the reel 55 can be rotated in the reverse direction more smoothly, the handle 53 can be returned conveniently, the manual control mechanism 5 can be assisted by the aid of the assisting mechanism 6 to work, and fertilization can be performed better.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. The utility model provides a fertilization small handcart for agricultural production which characterized in that includes:
one side of the top of the mounting plate (1) is connected with a handle (2);
the bottom of the mounting plate (1) is provided with the moving mechanism (3);
the fertilizing mechanism (4) is arranged on the mounting plate (1).
2. Fertilization dolly according to claim 1, wherein the moving mechanism (3) comprises:
the bottom of the mounting plate (1) is connected with the tripod (38), one side of the bottom of the tripod (38) is connected with a first supporting rod (31), the first supporting rod (31) is rotatably connected with a connecting rotating rod (33), and two sides of the connecting rotating rod (33) are rotatably connected with a first rotating shaft (34);
the other side of the bottom of the tripod (38) is connected with two second supporting rods (32), the second supporting rods (32) are rotatably connected with special-shaped rotating rods (36), and both sides of each special-shaped rotating rod (36) are rotatably connected with second rotating shafts (37);
the wheels (35) are connected to the first rotating shaft (34) and the second rotating shaft (37).
3. Fertilization dolly according to claim 2, wherein the fertilization mechanism (4) comprises:
the discharging barrel (41) is connected to the mounting plate (1), and discharging pipelines (411) are connected to two sides of the discharging barrel (41);
the middle of the top of the mounting plate (1) is connected with the first bracket (42);
the top of the mounting plate (1) close to one side of the first support (42) is connected with the second support (43), both sides of the second support (43) are rotatably connected with third rotating shafts (44), and one side of each third rotating shaft (44) is connected with a full gear (48);
the first support (42) is connected with two movable frames (45) in a sliding mode, and a connecting spring (46) is connected between each movable frame (45) and the corresponding first support (42);
one side of the movable frame (45) is connected with a rack (47), and the rack (47) is meshed with a full gear (48);
connecting rod (49), adjustable shelf (45) opposite side are connected with connecting rod (49), are connected with baffle (410) on connecting rod (49), baffle (410) and unloading bucket (41) sliding fit, and baffle (410) and unloading pipeline (411) cooperate.
4. The fertilising trolley for agricultural production according to claim 3, further comprising a manual control mechanism (5), the manual control mechanism (5) comprising:
the handle (2) is connected with two mounting racks (51), the mounting racks (51) are rotatably connected with a fourth rotating shaft (52), and the fourth rotating shaft (52) is connected with a handle (53);
the top of the mounting plate (1) is connected with two first guide blocks (54) close to one side of the handle (2);
the other side of the third rotating shaft (44) is connected with a winding wheel (55), a pull rope (56) is wound on the winding wheel (55), one end of the pull rope (56) is wound on the winding wheel (55), and the other end of the pull rope (56) is connected to the handle (53) in a manner of winding a first guide block (54).
5. The fertilization dolly of claim 4, further comprising an auxiliary mechanism (6), wherein the auxiliary mechanism (6) comprises:
the top of the mounting plate (1) is connected with the second guide block (61) close to one side of the first guide block (54);
the fixing block (62) is connected to one side, far away from the second guide block (61), of the top of the mounting plate (1);
the top of the mounting plate (1) is connected with a guide rail (63) close to one side of the fixed block (62), the guide rail (63) is connected with a sliding block (64) in a sliding mode, and one end of the pull rope (56) is connected to the sliding block (64);
and the return spring (65) is connected between the sliding block (64) and the fixed block (62).
6. The agricultural fertilizing dolly of claim 5, wherein the blanking barrel (41) is divided into two compartments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387125.4A CN113170641A (en) | 2021-04-12 | 2021-04-12 | Agricultural production is with fertilization small handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387125.4A CN113170641A (en) | 2021-04-12 | 2021-04-12 | Agricultural production is with fertilization small handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113170641A true CN113170641A (en) | 2021-07-27 |
Family
ID=76924983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110387125.4A Pending CN113170641A (en) | 2021-04-12 | 2021-04-12 | Agricultural production is with fertilization small handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113170641A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1189360A (en) * | 1997-09-17 | 1999-04-06 | Kubota Corp | Additional fertilization machine |
| KR20030029432A (en) * | 2001-10-06 | 2003-04-14 | 정석화 | Transplanter For A Young Vegetables |
| CN2754318Y (en) * | 2004-09-06 | 2006-02-01 | 钟利军 | Automatic manual seeder with manure |
| DE69833055D1 (en) * | 1997-12-04 | 2006-02-02 | Basf Ag | Grain shaker and product container |
| CN105052330A (en) * | 2015-07-31 | 2015-11-18 | 潍坊友容实业有限公司 | Backpack type manual point pit fertilizer application machine |
| CN108738523A (en) * | 2018-05-14 | 2018-11-06 | 长江大学 | A kind of Quantitative seeder |
| CN210406159U (en) * | 2019-07-16 | 2020-04-28 | 成都市农林科学院 | Seeding device for pelleted carrot seeds |
| CN210928558U (en) * | 2019-10-15 | 2020-07-07 | 袁德华 | Agricultural cultivation device |
| CN111699804A (en) * | 2020-06-22 | 2020-09-25 | 张志铭 | Peanut seeding mixed fertilizer injection unit |
| CN112005677A (en) * | 2020-08-05 | 2020-12-01 | 陆锦波 | Agricultural is with supplementary fertilizer injection unit of vegetable seedling |
| CN112586223A (en) * | 2020-12-15 | 2021-04-02 | 卢文豪 | Landscape plant maintenance of equipment |
-
2021
- 2021-04-12 CN CN202110387125.4A patent/CN113170641A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1189360A (en) * | 1997-09-17 | 1999-04-06 | Kubota Corp | Additional fertilization machine |
| DE69833055D1 (en) * | 1997-12-04 | 2006-02-02 | Basf Ag | Grain shaker and product container |
| KR20030029432A (en) * | 2001-10-06 | 2003-04-14 | 정석화 | Transplanter For A Young Vegetables |
| CN2754318Y (en) * | 2004-09-06 | 2006-02-01 | 钟利军 | Automatic manual seeder with manure |
| CN105052330A (en) * | 2015-07-31 | 2015-11-18 | 潍坊友容实业有限公司 | Backpack type manual point pit fertilizer application machine |
| CN108738523A (en) * | 2018-05-14 | 2018-11-06 | 长江大学 | A kind of Quantitative seeder |
| CN210406159U (en) * | 2019-07-16 | 2020-04-28 | 成都市农林科学院 | Seeding device for pelleted carrot seeds |
| CN210928558U (en) * | 2019-10-15 | 2020-07-07 | 袁德华 | Agricultural cultivation device |
| CN111699804A (en) * | 2020-06-22 | 2020-09-25 | 张志铭 | Peanut seeding mixed fertilizer injection unit |
| CN112005677A (en) * | 2020-08-05 | 2020-12-01 | 陆锦波 | Agricultural is with supplementary fertilizer injection unit of vegetable seedling |
| CN112586223A (en) * | 2020-12-15 | 2021-04-02 | 卢文豪 | Landscape plant maintenance of equipment |
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Application publication date: 20210727 |
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