CN113317011A - Seedling throwing machine - Google Patents
Seedling throwing machine Download PDFInfo
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- CN113317011A CN113317011A CN202110681702.0A CN202110681702A CN113317011A CN 113317011 A CN113317011 A CN 113317011A CN 202110681702 A CN202110681702 A CN 202110681702A CN 113317011 A CN113317011 A CN 113317011A
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- seedling
- chute
- throwing
- tray
- separating
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
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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
- A01C11/025—Transplanting machines using seedling trays; Devices for removing the seedlings from the trays
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Transplanting Machines (AREA)
Abstract
The invention discloses a seedling throwing machine, wherein a seedling taking mechanism, a seedling separating mechanism and a seedling throwing mechanism are arranged on a machine body, the seedling separating mechanism is positioned above the seedling throwing mechanism, the seedling taking mechanism is positioned above the seedling separating mechanism, seedlings in a seedling tray are downwards ejected by the seedling taking mechanism, the seedlings ejected by the seedling taking mechanism are conveyed to the seedling throwing mechanism by the seedling throwing mechanism, and the seedlings are thrown by the seedling throwing mechanism. The seedling tray can be used for conveniently, quickly, efficiently and orderly ejecting the seedlings in the seedling tray downwards, separating and throwing the seedlings, has high reliability, is not easy to damage the roots and stems of the seedlings, is beneficial to the green turning of the seedlings in the later period, and has ingenious structure and strong practicability.
Description
Technical Field
The invention relates to agricultural machinery, in particular to a seedling throwing machine.
Background
The rice cutting and planting mode is widely applied all over the world because the growing environment of the rice seedlings can be well controlled, and the seeding and growing time of the rice seedlings can be advanced. At present, rice is planted in a cutting mode and a seedling throwing mode. Because the rice planted by the seedling throwing planting mode has the characteristics of quick green return, early tillering, stable yield and high yield compared with the rice planted by transplanting, the rice planted by the seedling throwing planting mode is popularized and applied.
In the seedling-throwing planting mode, seedlings are cultured in a seedling tray to form plants meeting planting conditions and then are transplanted by seedling throwing. In the process of seedling throwing and transplanting, the seedling is conveniently and quickly separated from a seedling tray, which is one of the important conditions for improving the working efficiency of seedling throwing. Under the background of the era that agricultural production has fully entered mechanization, some agricultural machinery equipment manufacturers develop seedling throwers. However, the problems of low working efficiency and low reliability exist in the seedling throwing process of the existing seedling throwing machine, so that how to provide the seedling throwing machine with high working efficiency and good working reliability is a problem to be considered by the technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a seedling throwing machine which can conveniently, quickly, efficiently and orderly push out seedlings in a seedling tray downwards, divide and throw the seedlings, has high reliability, is not easy to damage the root parts of the seedlings, is beneficial to the green turning of the seedlings in the later period, and has ingenious structure and strong practicability.
On one hand, the invention provides a seedling throwing machine, wherein a seedling taking mechanism, a seedling separating mechanism and a seedling throwing mechanism are arranged on a machine body, the seedling separating mechanism is positioned above the seedling throwing mechanism, the seedling taking mechanism is positioned above the seedling separating mechanism, seedlings in a seedling tray are ejected downwards by the seedling taking mechanism, the seedlings ejected by the seedling taking mechanism are conveyed to the seedling throwing mechanism by the seedling throwing mechanism, and the seedlings are thrown by the seedling throwing mechanism.
Furthermore, the seedling taking mechanism comprises a seedling taking mechanism bracket, a seedling ejection mechanism and a seedling tray feeding driving mechanism; a seedling tray bracket is arranged on the seedling taking mechanism bracket, a row of seedling dropping grooves are arranged on the seedling tray bracket, the seedling dropping grooves are positioned above the seedling separating mechanism, and a seedling ejecting mechanism and a seedling tray feeding driving mechanism are arranged above the seedling tray bracket; the seedling tray feeding driving mechanism drives the seedling trays to be sequentially fed below the seedling ejection mechanism on the seedling tray bracket; the seedling ejecting mechanism ejects the seedlings in the seedling tray downwards and drops the seedlings from the seedling dropping groove onto the seedling separating mechanism.
Furthermore, the seedling ejection mechanism comprises a rotating disc and an ejection rack, and the rotating disc drives the ejection rack to move up and down; a first chute is arranged on a support of the seedling taking mechanism, an ejection rack is arranged in the first chute and can slide up and down along the first chute, a row of ejection rods are arranged at the lower end of the ejection rack, and a second chute is arranged at the upper end of the ejection rack; an eccentric shaft is arranged on the rotating disc, the axis of the eccentric shaft deviates from the axis of the rotating disc, the eccentric shaft is arranged in the second sliding groove, and the eccentric shaft can reciprocate along the second sliding groove; the rotating disc rotates for a circle, and the ejection rack moves up and down in a reciprocating manner once.
Furthermore, the first sliding groove is a vertical sliding groove, the second sliding groove is a transverse sliding groove, the vertical sliding groove is vertically arranged, and the transverse sliding groove is horizontally arranged; a first bearing is arranged on the eccentric shaft and matched with the second chute; the seedling taking mechanism bracket is provided with a seedling taking rotating motor, two sides of the seedling taking mechanism bracket are provided with bearing blocks, the bearing blocks are provided with a first rotating shaft and a second rotating shaft, two ends of the first rotating shaft are respectively connected with the seedling taking rotating motor and a rotating disc, the second rotating shaft is eccentrically connected with an eccentric shaft, and the first rotating shaft and the second rotating shaft are coaxial.
Furthermore, the seedling tray feeding driving mechanism comprises a roller and a grooved pulley, a cylindrical pin is installed on the rotating tray, a chute is formed in the grooved pulley, when the cylindrical pin is inserted into the chute of the grooved pulley, the rotating tray drives the grooved pulley to rotate, and the rotating tray and the grooved pulley form an intermittent movement mechanism; the grooved pulley drives the roller to rotate, and the roller drives the seedling tray to feed orderly.
Further, 4 chutes have been seted up on the sheave, and 4 chutes use the round of sheave to arrange as central point annular array, install 1 cylindric lock at the rolling disc, and the rotational speed ratio of rolling disc and sheave is 4: 1; install first belt pulley on the roller, install the second belt pulley on the sheave, install first drive belt on first belt pulley and second belt pulley, the sheave passes through first drive belt drive roller rotation, the diameter ratio of first belt pulley and second belt pulley is 4: 1, the speed ratio of a rotating disc to a roller is 16: 1; the two rollers are respectively arranged on the front side and the rear side of the ejection rack, third belt pulleys are arranged on the rollers, second transmission belts are arranged on the third belt pulleys of the two rollers, and the two rollers synchronously rotate; 16 roller ribs are arranged on the roller.
Furthermore, the seedling separating mechanism comprises a row of seedling separating belt pulleys, the number of the seedling separating belt pulleys is the same as that of the seedling dropping grooves, and the seedling separating belt pulleys and the seedling dropping grooves are arranged in an up-down corresponding mode; the length of each seedling separating belt wheel is gradually reduced towards the left side and the right side by taking the length of the middle seedling separating belt wheel as a reference, the length of the seedling separating belt wheel positioned in the middle is the longest, and the lengths of the seedling separating belt wheels positioned at the left end and the right end are the shortest.
Furthermore, the seedling throwing mechanism comprises a seedling throwing belt pulley and a chute in the middle, the chute is positioned in the middle, the seedling throwing belt pulley is positioned on the left side and the right side of the chute and is obliquely arranged, and the seedling throwing belt pulley and the seedling distributing belt pulley synchronously rotate; the seedling throwing belt pulley and the chute are positioned below the seedling separating belt pulley; the seedling throwing belt pulleys at the left and right ends have the longest length, and each seedling throwing belt pulley and the chute output end are arranged on the same horizontal line.
The seedling separating and throwing mechanism can conveniently, quickly, efficiently and orderly eject seedlings in the seedling tray downwards, and synchronously separate and throw the seedlings, so that the seedling throwing is tidy, the reliability is high, the root and stem parts of the seedlings are not easy to damage, the seedling separating and throwing mechanism is favorable for the green turning of later-period survivors, and the seedling separating and throwing mechanism is ingenious in structure and strong in practicability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the structure of a seedling throwing machine of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a schematic structural view of the seedling taking mechanism of FIG. 1;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a front view of FIG. 4;
FIG. 7 is a rear view of FIG. 4;
fig. 8 is a left side view of fig. 4.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present invention provides a preferred seedling throwing machine, wherein a seedling taking mechanism 2000, a seedling separating mechanism 3000 and a seedling throwing mechanism 4000 are arranged on a machine body 1000, the seedling separating mechanism 3000 is positioned above the seedling throwing mechanism 4000, the seedling taking mechanism 2000 is positioned above the seedling separating mechanism 3000, seedlings in a seedling tray 100 are ejected downwards by the seedling taking mechanism 2000, the seedlings ejected by the seedling taking mechanism 2000 are conveyed to the seedling throwing mechanism 4000 by the seedling separating mechanism 3000, and the seedlings are thrown out by the seedling throwing mechanism 4000. The seedling separating mechanism 3000 includes 13 seedling separating pulleys 3001, the length of each seedling separating pulley 3001 gradually decreases towards the left and right sides with the length of the middle seedling separating pulley 3001 as a reference, the length of the middle seedling separating pulley 3001 is the longest, and the lengths of the left and right seedling separating pulleys 3001 are the shortest.
As shown in fig. 2 and 3, the seedling throwing mechanism 4000 comprises 10 seedling throwing pulleys 4001 and 3 middle chutes 4002 and 4003, wherein 3 chutes 4002 and 4003 are positioned in the middle, 10 seedling throwing pulleys 4001 are positioned at the left and right sides of the 3 chutes 4002 and 4003 and are obliquely arranged, and 10 seedling throwing pulleys 4001 and 13 seedling distributing pulleys 3001 synchronously rotate; 10 seedling throwing belt pulleys 4001 and 3 chutes 4002 and 4003 are positioned below the seedling separating belt pulley 3001; the seedling throwing belt wheel 4001 at the left end and the right end has the longest length, and the output ends of each seedling throwing belt wheel 4001 and the chutes 4002 and 4003 are arranged on the same horizontal line C.
As shown in fig. 4 and 5, the seedling taking mechanism 2000 comprises a seedling taking mechanism bracket 1, a seedling ejecting mechanism 2 and a seedling tray feeding driving mechanism 3; the seedling taking mechanism bracket 1 is provided with a seedling tray bracket 10, the seedling tray bracket 10 is provided with 13 seedling dropping grooves 11, the number of the seedling dropping grooves 11 is the same as that of the seedling separating belt wheel 3001, and the seedling separating belt wheel 3001 is positioned below the seedling dropping grooves 11. A seedling tray 100 is placed on the seedling tray bracket 10, the seedling tray 100 can move back and forth on the seedling tray bracket 10, and seedlings in the seedling tray 100 are positioned in the seedling dropping groove 11. A seedling ejection mechanism 2 and a seedling tray feeding driving mechanism 3 are arranged above the seedling tray bracket 10; the seedling tray feeding driving mechanism 2 drives the seedling trays 100 to be sequentially fed below the seedling ejection mechanism 2 on the seedling tray bracket 10; the seedling ejecting mechanism 2 ejects the seedlings in the seedling tray 100 downwards and drops from the seedling dropping groove 11 onto the seedling separating mechanism 3000.
As shown in fig. 4 and 6 and fig. 7 and 8, the seedling ejecting mechanism 2 comprises a rotating disc 20 and an ejecting rack 21, and the rotating disc 20 drives the ejecting rack 21 to move up and down; the left side and the right side of the seedling taking mechanism support 1 are both provided with a first sliding chute 12, the first sliding chutes 12 are vertical sliding chutes, and the vertical sliding chutes are vertically arranged. The ejection rack 21 is installed in the first chute 12, the ejection rack 21 can slide up and down along the first chute 12, the lower end of the ejection rack 21 is provided with a row of ejection rods 24, the upper end of the ejection rack 21 is provided with a second chute 210, the second chute 210 is a horizontal chute, and the horizontal chute is horizontally arranged. As shown in fig. 5, an eccentric shaft 22 is mounted on the rotary disk 20, an axis b of the eccentric shaft 22 is deviated from an axis a of the rotary disk 20, the eccentric shaft 22 is mounted in the second slide groove 210, a first bearing 23 is mounted on the eccentric shaft 22, and the first bearing 23 is engaged with the second slide groove 210. The eccentric shaft 22 can reciprocate relatively along the second chute 210; the rotating disc 20 rotates for a circle, and the ejection frame 21 reciprocates up and down once. As shown in fig. 5, a seedling taking rotating motor 4 is mounted on the seedling taking mechanism bracket 1, bearing blocks 13 are mounted on two sides of the seedling taking mechanism bracket 1, a first rotating shaft 25 and a second rotating shaft 26 are mounted on the bearing blocks 13, two ends of the first rotating shaft 25 are respectively connected with the seedling taking rotating motor 4 and the rotating disc 20, the second rotating shaft 26 is eccentrically connected with the eccentric shaft 22, and the first rotating shaft 25 and the second rotating shaft 26 share the same axis a.
As shown in figure 4, the seedling tray feeding driving mechanism 3 comprises a roller 30 and a sheave 31, and 16 roller ribs 300 are arranged on the roller 30. The rotating disc 20 is provided with a cylindrical pin 200, the sheave 31 is provided with a chute 310, when the cylindrical pin 200 is inserted into the chute 310 of the sheave 31, the rotating disc 20 drives the sheave 31 to rotate, and the rotating disc 20 and the sheave 31 form an intermittent movement mechanism; the grooved pulley 31 drives the roller 30 to rotate, and the roller 30 drives the seedling trays 100 to feed orderly. The grooved pulley 31 is provided with 4 chutes 310, the 4 chutes 310 are arranged in an annular array by taking the circle of the grooved pulley 31 as a central point, the rotating disc 20 is provided with 1 cylindrical pin 200, and the rotating speed ratio of the rotating disc 20 to the grooved pulley 31 is 4: 1.
as shown in fig. 7, a first pulley 34 is installed on the drum 30, a second pulley 32 is installed on the sheave 31, a first transmission belt 33 is installed on the first pulley 34 and the second pulley 32, the sheave 31 drives the drum 30 to rotate through the first transmission belt 33, and the ratio of the diameter of the first pulley 34 to the diameter of the second pulley 32 is 4: 1, the speed ratio of the rotating disc 20 to the roller 30 is 16: 1.
As shown in fig. 4 and 6, the rollers 30 include two rollers 30, two rollers 30 are respectively installed at the front and rear sides of the ejector frame 21, a third belt pulley 35 is installed on the rollers 30, a second transmission belt 36 is installed on the third belt pulleys 35 of the two rollers 30, and the two rollers 30 rotate synchronously.
The seedling throwing machine of the invention has the working process as follows: firstly, a seedling tray 100 is placed on a seedling tray bracket 10, a seedling taking rotating motor 4 drives a rotating tray 20 to rotate, the rotating tray 20 drives an ejection rack 21 to move up and down, an ejection rod 24 is inserted into a seedling growing hole in the seedling tray 100 to eject seedlings from the seedling growing hole, the seedlings freely fall from a seedling falling groove 11 onto a seedling separating mechanism 3000, and seedling taking is finished. The seedling distributing belt wheel 3001 conveys seedlings to the seedling throwing belt wheel 4001 at the lower layer for seedling throwing operation.
The feeding of the seedling tray 100 is realized through a seedling tray feeding driving mechanism 3, a seedling taking rotating motor 4 drives a rotating disc 20 to rotate, the rotating disc 20 rotates for a circle, an ejection rack 21 moves up and down once to drive a grooved pulley 31 to rotate for 90 degrees and drive a roller 30 to rotate for 22.5 degrees, the ratio of the rotating disc 20 to the roller 30 is 16:1, and a roller rib 300 in the roller 30 drives the seedling tray 100 to feed for one step. The seedling separating and throwing mechanism can conveniently, quickly, efficiently and orderly eject seedlings in the seedling tray downwards, and synchronously separate and throw the seedlings, so that the seedling throwing is tidy, the reliability is high, the root and stem parts of the seedlings are not easy to damage, the seedling separating and throwing mechanism is favorable for the green turning of later-period survivors, and the seedling separating and throwing mechanism is ingenious in structure and strong in practicability.
The techniques not described above are common general knowledge of the skilled person. All numbers less than or greater than the stated ranges are inclusive. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A seedling throwing machine is characterized in that a seedling taking mechanism, a seedling separating mechanism and a seedling throwing mechanism are mounted on a machine body, the seedling separating mechanism is located above the seedling throwing mechanism, the seedling taking mechanism is located above the seedling separating mechanism, seedlings in a seedling tray are ejected downwards by the seedling taking mechanism, the seedlings ejected by the seedling taking mechanism are conveyed to the seedling throwing mechanism by the seedling throwing mechanism, and the seedlings are thrown out by the seedling throwing mechanism.
2. The seedling throwing machine of claim 1, wherein the seedling taking mechanism comprises a seedling taking mechanism bracket, a seedling ejecting mechanism and a seedling tray feeding driving mechanism; a seedling tray bracket is arranged on the seedling taking mechanism bracket, a row of seedling dropping grooves are arranged on the seedling tray bracket, the seedling dropping grooves are positioned above the seedling separating mechanism, and a seedling ejecting mechanism and a seedling tray feeding driving mechanism are arranged above the seedling tray bracket; the seedling tray feeding driving mechanism drives the seedling trays to be sequentially fed below the seedling ejection mechanism on the seedling tray bracket; the seedling ejecting mechanism ejects the seedlings in the seedling tray downwards and drops the seedlings from the seedling dropping groove onto the seedling separating mechanism.
3. The seedling thrower according to claim 2, wherein the seedling ejecting mechanism comprises a rotary disc and an ejecting frame, the rotary disc driving the ejecting frame to move up and down; a first chute is arranged on a support of the seedling taking mechanism, an ejection rack is arranged in the first chute and can slide up and down along the first chute, a row of ejection rods are arranged at the lower end of the ejection rack, and a second chute is arranged at the upper end of the ejection rack; an eccentric shaft is arranged on the rotating disc, the axis of the eccentric shaft deviates from the axis of the rotating disc, the eccentric shaft is arranged in the second sliding groove, and the eccentric shaft can reciprocate along the second sliding groove; the rotating disc rotates for a circle, and the ejection rack moves up and down in a reciprocating manner once.
4. The seedling thrower according to claim 3, wherein the first chute is a vertical chute, the second chute is a horizontal chute, the vertical chute is arranged vertically, and the horizontal chute is arranged horizontally; a first bearing is arranged on the eccentric shaft and matched with the second chute; the seedling taking mechanism bracket is provided with a seedling taking rotating motor, two sides of the seedling taking mechanism bracket are provided with bearing blocks, the bearing blocks are provided with a first rotating shaft and a second rotating shaft, two ends of the first rotating shaft are respectively connected with the seedling taking rotating motor and a rotating disc, the second rotating shaft is eccentrically connected with an eccentric shaft, and the first rotating shaft and the second rotating shaft are coaxial.
5. The seedling thrower as claimed in claim 3, wherein the seedling tray feed driving mechanism comprises a roller and a sheave, a cylindrical pin is mounted on the rotating tray, a chute is formed on the sheave, when the cylindrical pin is inserted into the chute of the sheave, the rotating tray drives the sheave to rotate, and the rotating tray and the sheave constitute an intermittent movement mechanism; the grooved pulley drives the roller to rotate, and the roller drives the seedling tray to feed orderly.
6. The seedling thrower as claimed in claim 5, wherein 4 chutes are formed on the sheave, the 4 chutes are arranged in an annular array with the round shape of the sheave as a central point, 1 cylindrical pin is installed on the rotating disc, and the rotating speed ratio of the rotating disc to the sheave is 4: 1; install first belt pulley on the roller, install the second belt pulley on the sheave, install first drive belt on first belt pulley and second belt pulley, the sheave passes through first drive belt drive roller rotation, the diameter ratio of first belt pulley and second belt pulley is 4: 1, the speed ratio of a rotating disc to a roller is 16: 1; the two rollers are respectively arranged on the front side and the rear side of the ejection rack, third belt pulleys are arranged on the rollers, second transmission belts are arranged on the third belt pulleys of the two rollers, and the two rollers synchronously rotate; 16 roller ribs are arranged on the roller.
7. A seedling throwing machine according to claim 2, wherein the seedling separating mechanism comprises a row of seedling separating belt pulleys, the number of the seedling separating belt pulleys is the same as that of the seedling dropping grooves, and the seedling separating belt pulleys and the seedling dropping grooves are arranged in an up-and-down corresponding mode; the length of each seedling separating belt wheel is gradually reduced towards the left side and the right side by taking the length of the middle seedling separating belt wheel as a reference, the length of the seedling separating belt wheel positioned in the middle is the longest, and the lengths of the seedling separating belt wheels positioned at the left end and the right end are the shortest.
8. A seedling throwing machine according to claim 7, wherein the seedling throwing mechanism comprises a seedling throwing belt pulley and a chute in the middle, the chute is positioned in the middle, the seedling throwing belt pulley is obliquely arranged on the left side and the right side of the chute, and the seedling throwing belt pulley and the seedling distributing belt pulley synchronously rotate; the seedling throwing belt pulley and the chute are positioned below the seedling separating belt pulley; the seedling throwing belt pulleys at the left and right ends have the longest length, and each seedling throwing belt pulley and the chute output end are arranged on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110681702.0A CN113317011A (en) | 2021-06-19 | 2021-06-19 | Seedling throwing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110681702.0A CN113317011A (en) | 2021-06-19 | 2021-06-19 | Seedling throwing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113317011A true CN113317011A (en) | 2021-08-31 |
Family
ID=77424020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110681702.0A Pending CN113317011A (en) | 2021-06-19 | 2021-06-19 | Seedling throwing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN113317011A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115176567A (en) * | 2022-05-16 | 2022-10-14 | 贵州理工学院 | Unmanned aerial vehicle throws seedlings |
| CN115462223A (en) * | 2022-10-25 | 2022-12-13 | 江西农业大学 | Ordered seedling throwing device for pot blanket seedlings |
-
2021
- 2021-06-19 CN CN202110681702.0A patent/CN113317011A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115176567A (en) * | 2022-05-16 | 2022-10-14 | 贵州理工学院 | Unmanned aerial vehicle throws seedlings |
| CN115176567B (en) * | 2022-05-16 | 2023-09-05 | 贵州理工学院 | Seedling throwing unmanned aerial vehicle |
| CN115462223A (en) * | 2022-10-25 | 2022-12-13 | 江西农业大学 | Ordered seedling throwing device for pot blanket seedlings |
| CN115462223B (en) * | 2022-10-25 | 2024-02-06 | 江西农业大学 | Ordered seedling throwing device for bowl blanket seedlings |
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