CN113424691A - Seedling taking device of automatic plug seedling transplanter - Google Patents
Seedling taking device of automatic plug seedling transplanter Download PDFInfo
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- CN113424691A CN113424691A CN202110682889.6A CN202110682889A CN113424691A CN 113424691 A CN113424691 A CN 113424691A CN 202110682889 A CN202110682889 A CN 202110682889A CN 113424691 A CN113424691 A CN 113424691A
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- seedling
- clamp
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/02—Transplanting machines for seedlings
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Abstract
The invention belongs to the technical field of crop planting machinery, and particularly relates to a seedling taking device of an automatic plug seedling transplanter. The seedling taking device comprises a rack, a seedling taking component and a seedling transplanting component, wherein the seedling taking component is arranged at the rear part of the rack, and the seedling transplanting component is arranged at the lower part of the seedling taking component; compared with the prior art, the labor intensity of seedling taking operation is reduced, and the operation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of crop planting machinery, and particularly relates to a seedling taking device of an automatic plug seedling transplanter.
Background
At present, manual transplanting and semi-automatic transplanting are mainly used for transplanting plug seedling crops in China, a large amount of labor is needed for manual transplanting, manual seedling feeding is needed for semi-automatic transplanting, the labor intensity is high, the operation efficiency is low, the problems of high labor intensity and low operation efficiency are improved to a certain extent when a seedling taking device of an automatic transplanting machine appears, but the problems of unstable clamping, high seedling damage rate and the like still exist.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the existing seedling taking device, the seedling taking device of the automatic plug seedling transplanter is provided, and the problems that the labor intensity is high and the operation efficiency is low in the current manual seedling feeding are solved; the seedling taking device is unstable in clamping, and the seedling hurting rate is high.
The technical scheme provided by the invention for solving the technical problems is as follows: the utility model provides a seedling device of getting of automatic transplanter of plug seedling, includes the frame, gets seedling part, moves seedling part, get seedling part setting at frame upper portion, move seedling part setting and get seedling part lower part.
Further, get the seedling part and include and get the seedling frame, feed cylinder, left support arm, right support arm, lifting unit, seedling clamp assembly, get seedling frame and frame fixed connection, feed the cylinder fixed plate fixed connection among cylinder tail end and the lifting unit, feed the cylinder and stretch out the end with left support arm and the coaxial articulated of right support arm, left side support arm, right support arm are connected on seedling clamp assembly upper portion, lifting unit sets up the top of getting the seedling frame, seedling clamp assembly sets up in the lifting unit below.
Lifting unit includes cylinder fixed plate, rod end base, lift cylinder, guide rail, lift frame, cylinder fixed plate rigid coupling is anterior at lift frame, rigid coupling of rod end base is in cylinder fixed plate upper portion, and another rigid coupling is at lift frame's rear portion, lift cylinder stretches out the end and connects on rod end base, lift cylinder tail end rigid coupling is getting seedling frame upper portion, the last guide rail that is provided with of lift frame.
The seedling clamp component comprises a U-shaped baffle, a chain with lugs, an upper seedling clamp plate, an upper seedling clamp, a guide rail bearing, a bearing fixing frame, a support arm bearing, a support bearing, a connecting seat, a side plate, a lower seedling clamp and a lower seedling clamp plate, wherein the upper seedling clamp comprises a seedling clamp cylinder, an upper seedling clamp head, the lower seedling clamp comprises a seedling clamp cylinder and a lower seedling clamp head, the upper seedling clamp head is L-shaped, the upper seedling clamp head and the lower seedling clamp head clamp the same height of crop stem, the U-shaped baffle is fixedly connected with the lower part of the seedling taking rack, the side plates are symmetrically arranged on two side chain links of the chain with lugs, the upper seedling clamp plate and the lower seedling clamp plate are sequentially arranged on chain links of the chain with lugs in a staggered manner, the upper seedling clamp is arranged on the upper part of the upper seedling clamp plate, the lower seedling clamp is arranged on the upper part of the lower seedling clamp plate, the connecting seat is fixedly connected with the side plate, the bearing fixing frame is fixedly sleeved on the connecting seat, the guide rail bearing is sleeved on the lower portion of the bearing fixing frame and horizontally rolls in the guide rail, the support arm bearing is sleeved on the upper portion of the bearing fixing frame, the support arm bearing is coaxially installed with the left support arm and the right support arm, and the support bearing is sleeved on the middle portion of the bearing fixing frame and is in contact with the upper surface of the lifting frame.
When the seedling clamp assembly is in a seedling taking state, the left support arm and the right support arm are driven by the feeding cylinder to move, the lug chain is pulled by the side plates on the two sides to drive the seedling clamp assembly to move, and under the guiding action of the guide rail, the seedling clamp assemblies are distributed in a row at a seedling taking position, so that the upper-layer seedling clamp and the lower-layer seedling clamp can simultaneously take seedlings in parallel; when the seedling clamp assembly is in a seedling throwing state, the chain with the lugs is pulled by the side plates on the two sides to drive the seedling clamp assembly to move, under the guiding action of the guide rail, the chain with the lugs is in contact with the U-shaped baffle, and under the action of the U-shaped baffle, the seedling clamp assembly is distributed in a U shape at the seedling throwing position.
Furthermore, the seedling transplanting component comprises a rotating shaft, a rotating disc, seedling cups, a fixing plate, seedling falling grooves and a seedling cup supporting plate, the seedling cup supporting plate is arranged above the planting device, the seedling falling grooves are formed in the seedling cup supporting plate, the rotating shaft is arranged in the center of the seedling cup supporting plate, the rotating disc is fixedly connected with the rotating shaft coaxially, the fixing plate is uniformly arranged at intervals in the circumferential direction of the rotating disc, and the seedling cups are fixedly connected with the fixing plate correspondingly.
The invention adopts the technical scheme that the method has the beneficial effects that:
a feeding cylinder in a seedling taking device of the automatic plug seedling transplanter drives a piston rod of the feeding cylinder to extend out through air pressure to drive a left support arm and a right support arm to move, two support arms drive a seedling clamp assembly to move along a guide rail, the seedling clamp assembly is in a linear arrangement state when reaching a seedling taking position, so that an upper seedling clamp and a lower seedling clamp can take seedlings in parallel at the same time, after clamping seedling stems, a lifting assembly retracts through an air pressure drive piston rod, the seedling clamp assembly is driven to ascend integrally to achieve the purpose of pulling crop seedlings from a seedling tray, the piston rod of the feeding cylinder is driven to retract through the air pressure, when reaching a seedling throwing position, the seedling clamp assembly is in a U-shaped state, the upper seedling clamp and the lower seedling clamp are opened simultaneously to release the crop seedlings, the crop seedlings are thrown into a seedling transplanting component below, and are planted in the field through a planting device.
Compared with the prior art, the seedling taking device of the automatic plug seedling transplanter can realize automatic seedling taking operation and solve the problems of high labor intensity, low operation efficiency and the like of manual seedling feeding in semi-automatic transplanting.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic diagram of the general structure of the present invention with serial number markers;
FIG. 3 is a schematic structural view of a seedling taking part of the present invention;
FIG. 4 is a schematic view of the lift assembly of the present invention;
FIG. 5 is a schematic structural diagram A of a seedling picking state of the seedling clamp assembly according to the present invention;
FIG. 6 is a schematic structural diagram B of the seedling clamping assembly in a seedling-picking state according to the present invention;
FIG. 7 is a schematic view of the seedling-throwing state of the seedling clamp assembly according to the present invention;
FIG. 8 is a schematic structural view of the seedling transplanting member of the present invention;
wherein: 1-frame, 2-seedling taking part, 3-seedling transplanting part, 4-planter, 5-seedling taking frame, 6-feeding cylinder, 7-left support arm, 8-right support arm, 9-lifting component, 10-seedling clamp component, 11-cylinder fixing plate, 12-rod end base, 13-lifting cylinder, 14-guide rail, 15-lifting frame, 16-U-shaped baffle, 17-ear chain, 18-upper seedling clamp plate, 19-upper seedling clamp, 20-guide rail bearing, 21-bearing fixing frame, 22-support arm bearing, 23-support bearing, 24-connecting seat, 25-side plate, 26-lower seedling clamp plate, 27-lower seedling clamp plate, 28-seedling stem, 29-seedling tray, 30-seedling clamp cylinder, 31-upper-layer seedling chuck, 32-lower-layer seedling chuck, 33-rotating shaft, 34-rotating disc, 35-seedling cup, 36-fixing plate, 37-seedling dropping groove and 38-seedling cup supporting plate.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
the seedling taking device of the automatic plug seedling transplanter comprises a frame 1, a seedling taking component 2 and a seedling transplanting component 3, wherein the seedling taking component 2 is arranged at the rear part of the frame, and the seedling transplanting component 3 is arranged at the lower part of the seedling taking component 2, as shown in fig. 1.
As shown in fig. 2, get seedling part 2 and include and get seedling frame 5, feed cylinder 6, left support arm 7, right support arm 8, lifting unit 9, seedling clamp subassembly 10, get seedling frame 5 and frame 1 fixed connection, the cylinder fixed plate 11 fixed connection in 6 tail ends of feed cylinder and the lifting unit 9 feeds cylinder 6 and stretches out the end and coaxial articulated with left support arm 7 and right support arm 8, left side support arm 7, right support arm 8 are connected on seedling clamp subassembly 10 upper portion, lifting unit 9 sets up in the top of getting seedling frame 5, seedling clamp subassembly 10 sets up in lifting unit 9 below.
As shown in fig. 3, the lifting assembly 9 includes a cylinder fixing plate 11, a rod end base 12, a lifting cylinder 13, a guide rail 14, and a lifting frame 15, the cylinder fixing plate 11 is fixedly connected to the front portion of the lifting frame 15, one of the rod end bases 12 is fixedly connected to the upper portion of the cylinder fixing plate 11, the other one is fixedly connected to the rear portion of the lifting frame 15, the extending end of the lifting cylinder 13 is connected to the rod end base 12, the tail end of the lifting cylinder 13 is fixedly connected to the upper portion of the seedling taking frame 5, and the guide rail 14 is disposed on the lifting frame 15.
As shown in fig. 4, 5 and 6, the seedling clamp assembly 10 includes a U-shaped baffle 16, a chain 17 with ears, an upper seedling clamp 18, an upper seedling clamp 19, a guide bearing 20, a bearing fixing frame 21, a support arm bearing 22, a support bearing 23, a connecting seat 24, a side plate 25, a lower seedling clamp 26 and a lower seedling clamp plate 27, the upper seedling clamp 19 includes a seedling clamp cylinder 30 and an upper seedling clamp 31, the lower seedling clamp 26 includes a seedling clamp cylinder 30 and a lower seedling clamp 32, the upper seedling clamp 31 is L-shaped, the upper seedling clamp 31 and the lower seedling clamp 32 clamp the same height of the crop stalk, the U-shaped baffle 16 is fixedly connected to the lower part of the seedling taking frame 5, the side plates 25 are symmetrically arranged on two side links of the chain 17 with ears, the upper seedling clamp 18 and the lower seedling clamp 27 are sequentially staggered on the links of the chain 17 with ears, upper strata seedling presss from both sides 19 and sets up on upper strata seedling splint 18 upper portion, lower floor's seedling presss from both sides 26 and sets up on lower strata seedling splint 27 upper portion, connecting seat 24 and the rigid coupling of curb plate 25 upper portion, the fixed cover of bearing mount 21 is connected on connecting seat 24, guide rail bearing 20 cup joints in bearing mount 21 lower part, makes the horizontal roll in guide rail 14, support arm bearing 22 cup joints on bearing mount 21 upper portion, support arm bearing 22 and left support arm 7, the 8 coaxial arrangement of right support arm, support bearing (23) cup joint in bearing mount 21 middle part, with lifting frame 15 upper surface contact, do vertical braces.
As shown in fig. 4, 5 and 6, when the seedling clamp assembly 10 is in a seedling taking state, the left support arm 7 and the right support arm 8 are driven by the feeding cylinder 6 to push the side plates 25 to move, the chain 17 with the lugs is driven by the side plates 25 at two sides to drive the seedling clamp assembly 10 to move, and under the guiding action of the guide rail 14, the seedling clamp assemblies 10 are distributed in a straight line at the seedling taking position, so that the upper-layer seedling clamp 19 and the lower-layer seedling clamp 26 can simultaneously take seedlings in parallel; when the seedling clamp assembly 10 is in a seedling throwing state, the chain 17 with the lugs is pulled by the side plates 25 on the two sides to drive the seedling clamp assembly 10 to move, under the guiding action of the guide rail 14, the chain 17 with the lugs is in contact with the U-shaped baffle 16, and under the action of the U-shaped baffle 16, the seedling clamp assembly 10 is in U-shaped distribution at the seedling throwing position.
As shown in fig. 7, the seedling transplanting component 3 includes a revolving shaft 33, a revolving disc 34, seedling cups 35, a fixing plate 36, seedling falling grooves 37, and seedling cup supporting plates 38, the seedling cup supporting plates 38 are disposed above the planting device 4, the seedling falling grooves 37 are disposed on the seedling cup supporting plates 38, the revolving shaft 33 is disposed at the center of the seedling cup supporting plates 38, the revolving disc 34 and the revolving shaft 33 are fixedly connected with each other coaxially, the fixing plates 36 are disposed at regular intervals along the circumferential direction of the revolving disc 34, and the seedling cups 35 are fixedly connected with the fixing plates 36 correspondingly.
The feeding cylinder 6 in the seedling taking device of the automatic plug seedling transplanter drives the piston rod to extend out through air pressure, the left support arm 7 and the right support arm 8 are driven to move, the seedling clamp assembly 10 is driven to move along the guide rail 14 by the two support arms, the seedling clamp assembly 10 is in a linear arrangement state when reaching a seedling taking position, the seedling clamp 19 at the upper layer and the seedling clamp 26 at the lower layer are simultaneously taken in parallel, after clamping a seedling stem 28, the lifting assembly 9 retracts through the air pressure driven piston rod, further drives the seedling clamp assembly 10 to integrally ascend, achieves the purpose of pulling crop seedlings from a seedling tray 29, and then retracts through the air pressure driven piston rod of the feeding cylinder 6, when the seedling clamp assembly 10 reaches a seedling throwing position, the seedling clamp assembly 10 is in a U-shaped state, the upper layer seedling clamp head 31 and the lower layer seedling clamp head 32 are simultaneously opened, the crop seedlings are released, and the crop seedlings are thrown into the seedling transplanting component 3 below, planting the seeds in the field through a planting device 4.
The operation speed of the invention can be realized by adjusting the lifting cylinder 13, the feeding cylinder 6 and the seedling clamping cylinder 30; if multi-row plug seedling transplanting operation is carried out at one time, the operation can be realized by adopting a plurality of groups of seedling taking components 2, seedling transplanting components 3 and transplanting devices 4; the power of the seedling taking part 2 is from a cylinder, and can also be realized by adopting a hydraulic motor and an electric motor.
The method for realizing seedling taking, seedling separating and seedling throwing of the seedling clamp assembly 10 by adopting the guide rail 14 is only one of feasible schemes, and can also be realized by adopting an electric actuator or by utilizing the control of the contour of the cam, and the method is not exhaustive; the upper-layer seedling chuck 31 and the lower-layer seedling chuck 32 in the L-shaped design are designed to clamp the crop seedling stalks at the same height, and the lower-layer seedling chuck 32 can be designed to be in an inverted L shape to realize the functions, which are not exhaustive.
The above-described embodiments are merely preferred examples of the present invention, which is not intended to limit the embodiments of the present invention, and it will be understood that various changes and modifications may be made by those skilled in the art based on the above description without departing from the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a seedling device of getting of automatic transplanter of plug seedling which characterized in that: comprises a frame (1), a seedling taking component (2) and a seedling transplanting component (3), wherein the seedling taking component (2) is arranged on the upper part of the frame (1), and the seedling transplanting component (3) is arranged on the lower part of the seedling taking component (2).
2. The seedling taking device of the automatic plug seedling transplanting machine according to claim 1, characterized in that: the seedling taking component (2) comprises a seedling taking rack (5), a feeding cylinder (6), a left support arm (7), a right support arm (8), a lifting assembly (9) and a seedling clamping assembly (10), the seedling taking rack (5) is fixedly connected with the rack (1), the tail end of the feeding cylinder (6) is fixedly connected with a cylinder fixing plate (11) in the lifting assembly (9), the extending end of the feeding cylinder (6) is coaxially hinged with the left support arm (7) and the right support arm (8), the left support arm (7) and the right support arm (8) are connected to the upper part of the seedling clamping assembly (10), the lifting assembly (9) is arranged above the seedling taking rack (5), and the seedling clamping assembly (10) is arranged below the lifting assembly (9);
the lifting assembly (9) comprises a cylinder fixing plate (11), a rod end base (12), a lifting cylinder (13), a guide rail (14) and a lifting frame (15), wherein the cylinder fixing plate (11) is fixedly connected to the front part of the lifting frame (15), one rod end base (12) is fixedly connected to the upper part of the cylinder fixing plate (11), the other rod end base is fixedly connected to the rear part of the lifting frame (15), the extending end of the lifting cylinder (13) is connected to the rod end base (12), the tail end of the lifting cylinder (13) is fixedly connected to the upper part of the seedling taking rack (5), and the guide rail (14) is arranged on the lifting frame (15);
the seedling clamp component (10) comprises a U-shaped baffle (16), a chain with lugs (17), an upper seedling clamp plate (18), an upper seedling clamp (19), a guide rail bearing (20), a bearing fixing frame (21), a support arm bearing (22), a support bearing (23), a connecting seat (24), a side plate (25), a lower seedling clamp plate (26) and a lower seedling clamp plate (27), wherein the upper seedling clamp (19) comprises a seedling clamp cylinder (30) and an upper seedling clamp head (31), the lower seedling clamp (26) comprises a seedling clamp cylinder (30) and a lower seedling clamp head (32), the upper seedling clamp head (31) is L-shaped, the upper seedling clamp head (31) and the lower seedling clamp head (32) clamp the crop stem at the same height, the U-shaped baffle (16) is fixedly connected to the lower part of the seedling taking frame (5), the side plates (25) are symmetrically arranged on chain links at two sides of the chain with lugs (17), the seedling clamping device is characterized in that an upper-layer seedling clamping plate (18) and a lower-layer seedling clamping plate (27) are sequentially arranged on chain links of the chain with the lugs (17) in a staggered mode, an upper-layer seedling clamp (19) is arranged on the upper portion of the upper-layer seedling clamping plate (18), a lower-layer seedling clamp (26) is arranged on the upper portion of the lower-layer seedling clamping plate (27), the upper portion of a side plate (25) is fixedly connected with a connecting seat (24), a bearing fixing frame (21) is fixedly sleeved on the connecting seat (24), a guide rail bearing (20) is sleeved on the lower portion of the bearing fixing frame (21) and horizontally rolls in a guide rail (14), a support arm bearing (22) is sleeved on the upper portion of the bearing fixing frame (21), the support arm bearing (22) is coaxially installed with a left support arm (7) and a right support arm (8), and a support bearing (23) is sleeved on the middle portion of the bearing fixing frame (21) and contacts with the upper surface of a lifting frame (15);
when the seedling clamp assembly (10) is in a seedling taking state, the left support arm (7) and the right support arm (8) are driven by the feeding cylinder (6) to push the side plates (25) to move, the chain with the lugs (17) is driven by the side plates (25) on the two sides to drive the seedling clamp assembly (10) to move, and under the guiding action of the guide rail (14), the seedling clamp assemblies (10) are distributed in a row at a seedling taking position, so that the upper-layer seedling clamp (19) and the lower-layer seedling clamp (26) can simultaneously take seedlings in parallel; when the seedling clamp assembly (10) is in a seedling throwing state, the lug chain (17) is pulled by the side plates (25) on the two sides to drive the seedling clamp assembly (10) to move, under the guiding action of the guide rail (14), the lug chain (17) is in contact with the U-shaped baffle (16), and the seedling clamp assembly (10) is in U-shaped distribution at a seedling throwing position under the action of the U-shaped baffle (16).
3. The seedling taking device of the automatic plug seedling transplanting machine according to claim 1, characterized in that: seedling transplanting part (3) include revolving axle (33), gyration dish (34), seedling cup (35), fixed plate (36), seedling groove (37), seedling cup layer board (38) fall, seedling cup layer board (38) set up in planting ware (4) top, are provided with seedling groove (37) on seedling cup layer board (38), revolving axle (33) set up and put at seedling cup layer board (38) central point, gyration dish (34) and revolving axle (33) are with axle center fixed connection, fixed plate (36) are along gyration dish (34) circumferencial direction even interval setting, seedling cup (35) correspond the rigid coupling with fixed plate (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110682889.6A CN113424691B (en) | 2021-06-17 | 2021-06-17 | Seedling taking device of automatic plug seedling transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110682889.6A CN113424691B (en) | 2021-06-17 | 2021-06-17 | Seedling taking device of automatic plug seedling transplanter |
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| Publication Number | Publication Date |
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| CN113424691A true CN113424691A (en) | 2021-09-24 |
| CN113424691B CN113424691B (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110682889.6A Active CN113424691B (en) | 2021-06-17 | 2021-06-17 | Seedling taking device of automatic plug seedling transplanter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114830895A (en) * | 2022-05-11 | 2022-08-02 | 巴州良佳农机制造有限公司 | Seedling taking guide seat plate of transplanter |
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| JP2003225006A (en) * | 2002-02-05 | 2003-08-12 | Kubota Corp | Transplanter |
| CN201226669Y (en) * | 2008-05-15 | 2009-04-29 | 韩长杰 | Quick seedlings clamping device |
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| CN107736116A (en) * | 2017-05-22 | 2018-02-27 | 新疆农业大学 | Hold seedling plant feed unit |
| CN108029300A (en) * | 2017-12-15 | 2018-05-15 | 王友芳 | Seedling taking device and plant transplantation machine |
| CN108391491A (en) * | 2018-06-06 | 2018-08-14 | 中国农业大学 | A kind of full-automatic potted tray seedling transplanter of press-down type seedling taking send seedling seedling taking seedling launching mechanism |
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2021
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003225006A (en) * | 2002-02-05 | 2003-08-12 | Kubota Corp | Transplanter |
| CN201226669Y (en) * | 2008-05-15 | 2009-04-29 | 韩长杰 | Quick seedlings clamping device |
| CN102224775A (en) * | 2011-05-19 | 2011-10-26 | 农二师茂林工贸有限责任公司 | Automatic rice seedling taking and feeding transplanter |
| CN107182397A (en) * | 2017-05-08 | 2017-09-22 | 江苏大学 | One kind swings upset entire row seedling taking translation seedling launching mechanism and method |
| CN107736116A (en) * | 2017-05-22 | 2018-02-27 | 新疆农业大学 | Hold seedling plant feed unit |
| CN108029300A (en) * | 2017-12-15 | 2018-05-15 | 王友芳 | Seedling taking device and plant transplantation machine |
| CN108391491A (en) * | 2018-06-06 | 2018-08-14 | 中国农业大学 | A kind of full-automatic potted tray seedling transplanter of press-down type seedling taking send seedling seedling taking seedling launching mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114830895A (en) * | 2022-05-11 | 2022-08-02 | 巴州良佳农机制造有限公司 | Seedling taking guide seat plate of transplanter |
| CN114830895B (en) * | 2022-05-11 | 2023-04-18 | 巴州良佳农机制造有限公司 | Seedling taking guide seat plate of transplanter |
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| CN113424691B (en) | 2022-02-22 |
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