A seedling transplanting device for forestry planting

Abstract

This invention discloses a seedling transplanting device for forestry planting, comprising a frame plate. A traction frame for connecting a traction device is fixedly mounted at one end of the frame plate. Traveling wheels are rotatably mounted on the bottom of the frame plate near its four corners. A first through hole and a second through hole are spaced apart on the frame plate. Two vertical fixing rods are symmetrically fixed on the upper part of the frame plate between the traction frame and the first through hole. The upper ends of the two fixing rods are jointly fixedly connected to the bottom end of a horizontal mounting plate. A screw-in rod is mounted on the horizontal mounting plate opposite the first through hole, and a drill is fixedly mounted at the lower end of the screw-in rod. This invention significantly reduces labor input and substantially increases the number of seedlings transplanted per unit time, making it particularly suitable for large-scale planting of peach trees or economic forest seedlings.

Description

Technical Field

[0001] This invention relates to the field of forestry seedling technology, and in particular to a seedling transplanting device for forestry planting. Background Technology

[0002] Peach trees are an important economic fruit tree in my country, and their planting scale and industrial benefits are closely related to the quality of seedling transplantation. Transplanting is a crucial step in peach tree planting, directly affecting the survival rate and subsequent growth vigor of seedlings. Traditional peach tree transplanting mainly relies on manual labor, requiring operators to complete steps such as digging holes, placing seedlings, and covering with soil. This method generally suffers from high labor intensity, low efficiency, and poor consistency in planting quality. Existing technologies also employ handheld transplanters, which involve manually placing seedlings after making holes with a shovel. However, digging holes and covering with soil still require significant manual labor, and work efficiency needs improvement. Therefore, it is necessary to develop a seedling transplanting device for forestry planting. Summary of the Invention

[0003] The purpose of this invention is to provide a seedling transplanting device for forestry planting, thereby solving the technical problems mentioned in the background section.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: This invention discloses a seedling transplanting device for forestry planting, comprising a frame plate, a traction frame for connecting a traction device fixedly mounted at one end of the frame plate, and traveling wheels rotatably mounted near the four corners of the bottom of the frame plate; a first through hole and a second through hole spaced apart on the frame plate; two vertical fixing rods symmetrically fixedly mounted on the upper part of the frame plate between the traction frame and the first through hole, the upper ends of the two fixing rods being fixedly connected to the bottom end of a horizontal mounting plate; a screw-in rod is mounted on the horizontal mounting plate opposite the first through hole, the lower end of the screw-in rod being fixedly mounted with a drill barrel, and a screw-in drive mechanism for driving the screw-in rod to perform synchronous rotational and linear movements on the horizontal mounting plate; two arc-shaped soil covering plates are symmetrically mounted on the bottom of the frame plate along the axis of the second through hole, and a soil covering drive mechanism for driving the two soil covering plates to move relative to or away from each other is also provided on the bottom of the frame plate.

[0005] Furthermore, a transmission shaft sleeve is rotatably mounted on the horizontal mounting plate, and the screw rod is slidably inserted into the inside of the transmission shaft sleeve. The inner circumferential wall of the transmission shaft sleeve is evenly provided with multiple transmission grooves along the circumferential direction, and the outer circumferential wall of the screw rod is evenly fixed with multiple elongated transmission bosses that are adapted to each of the transmission grooves.

[0006] Furthermore, the rotary drive mechanism includes a drive screw rotatably disposed between the other end of the bottom of the horizontal mounting plate and the frame plate. A first motor for driving the drive screw to rotate is fixedly disposed on the upper part of the horizontal mounting plate. A drive gear is fixedly sleeved on the upper part of the drive screw, and a driven gear meshing with the drive gear is sleeved on the lower part of the transmission shaft sleeve. A lifting plate is provided between the two fixed rods, the rotary rod, and the drive screw. One end of the lifting plate has two light holes that are respectively limited and slidably engaged with the two fixed rods. The other end of the lifting plate is fixedly disposed with a transmission sleeve that is threadedly connected to the drive screw. The lower part of the rotary rod is rotatably connected to the lifting plate.

[0007] Furthermore, the bottom of the drill barrel has a pointed conical structure, and helical blades are fixedly sleeved on the outer peripheral wall of the drill barrel.

[0008] Furthermore, two vertical mounting plates are symmetrically fixedly arranged on the frame plate between the first through hole and the second through hole. The soil covering drive mechanism includes a bidirectional screw rotatably disposed between the two vertical mounting plates and a second motor fixedly disposed on the outside of one of the vertical mounting plates for driving the bidirectional screw to rotate. The two ends of the bidirectional screw have opposite external threads. Two moving blocks are symmetrically arranged on the bidirectional screw. The middle of the two moving blocks is provided with threaded through holes that are adapted to the external threads of the corresponding ends of the bidirectional screw. The bottoms of the two moving blocks are respectively connected to the two soil covering plates. The tops of the two moving blocks are respectively fixedly provided with limit sliders. The two limit sliders slide in cooperation with the limit slide rails fixedly disposed at the bottom of the frame plate.

[0009] Furthermore, each of the movable blocks is fixedly provided with a vertical first cylinder at its bottom, and the telescopic ends of the two first cylinders are respectively fixedly connected to the connecting plates fixedly provided on the outside of the soil covering plate on the corresponding side.

[0010] Furthermore, two second cylinders are symmetrically arranged on the inner side of each of the soil covering plates, and the telescopic ends of the two second cylinders located in the same soil covering plate are fixedly connected to a soil pressing plate.

[0011] Furthermore, a seedling storage turntable is rotatably mounted on the upper part of the frame plate away from the traction frame, and a third motor for driving the seedling storage turntable to rotate is fixedly mounted on the bottom of the frame plate; a plurality of first connecting frames with L-shaped cross-sections in the vertical direction are evenly fixedly mounted on the seedling storage turntable along the circumference, and a bidirectional cylinder is fixedly mounted on the bottom of the end of each first connecting frame away from the seedling storage turntable; two second connecting frames with L-shaped cross-sections in the horizontal direction are connected to each other at the two telescopic ends of each bidirectional cylinder, and two clamping plates with arc-shaped cross-sections for clamping seedlings are fixedly mounted to each other at the ends of the two second connecting frames away from the corresponding bidirectional cylinders.

[0012] Furthermore, flexible buffer pads are fixedly provided on the inner walls of each of the clamping plates.

[0013] Compared with the prior art, the beneficial technical effects of the present invention are as follows: This invention integrates a rotary drive mechanism, a seedling storage turntable and seedling clamping and placing mechanism, a soil covering drive mechanism, and a soil compaction plate, transforming the traditionally manual, step-by-step processes of digging holes, placing seedlings, covering soil, and compacting into a continuous, mechanized operation. Driven by a traction device, the device automatically completes the following tasks: rotary drilling with a drill barrel, intermittent rotation of the seedling storage turntable to align with the hole, opening and closing of the clamping plate controlled by a bidirectional cylinder for seedling placement, closing of the soil covering plate driven by a bidirectional screw, and compaction of the soil by a second cylinder pushing the soil compaction plate. The entire seedling transplanting process significantly reduces labor input and substantially increases the number of seedlings transplanted per unit time, making it particularly suitable for large-scale planting of peach trees or economic forest seedlings. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 This is a side view of the structure of the present invention; Figure 2 This is a schematic diagram of the main structure of the present invention; Figure 3 This is a cross-sectional view of the screw rod and the transmission shaft sleeve of the present invention; Figure 4 This is a schematic diagram of the soil covering plate installation structure of the present invention; Figure 5 This is a schematic diagram of the installation structure of the seedling storage turntable of the present invention; Explanation of reference numerals in the attached drawings: 1. Frame plate; 2. Traction frame; 3. Traveling wheel; 4. First through hole; 5. Second through hole; 6. Fixing rod; 7. Horizontal mounting plate; 8. Screw rod; 9. Drill barrel; 10. Helical blade; 11. Transmission shaft sleeve; 12. Transmission groove; 13. Transmission boss; 14. Drive screw; 15. First motor; 16. Driving gear; 17. Driven gear; 18. Lifting plate; 19. Transmission screw sleeve; 20. Soil covering plate; 21. Vertical mounting plate; 22. Bidirectional screw; 23. Second motor; 24. Moving block; 25. Limiting slider; 26. Limiting slide rail; 27. First cylinder; 28. Connecting plate; 29. ​​Second cylinder; 30. Soil pressing plate; 31. Seedling storage turntable; 32. Third motor; 33. First connecting frame; 34. Bidirectional cylinder; 35. Second connecting frame; 36. Clamping plate; 37. Flexible buffer pad. Detailed Implementation

[0016] like Figures 1-5 As shown, a seedling transplanting device for forestry planting includes a horizontal frame plate 1. One end of the frame plate 1 is fixedly provided with a traction frame 2 for connecting traction equipment (such as agricultural traction equipment like tractors). The bottom of the frame plate 1 is rotatably installed with four driving wheels 3 near the four corners. When the invention is working, the frame plate 1 and the entire device can be driven to move on the ground by the traction equipment.

[0017] The frame plate 1 is provided with a first through hole 4 and a second through hole 5 spaced apart. The first through hole 4 is used for the device to drill planting holes, and the second through hole 5 is used for the device to transplant seedlings.

[0018] Two vertical fixing rods 6 are symmetrically fixed on the upper part of the frame plate 1, located between the traction frame 2 and the first through hole 4. The upper ends of the two fixing rods 6 are fixedly connected to the bottom end of a horizontal mounting plate 7. A screw-in rod 8 is provided on the horizontal mounting plate 7, directly opposite the first through hole 4. A drill cylinder 9 is fixedly connected to the lower end of the screw-in rod 8. The bottom of the drill cylinder 9 has a pointed conical structure, and a spiral blade 10 is fixedly fitted on the outer peripheral wall of the drill cylinder 9. A screw-in drive mechanism is provided on the horizontal mounting plate 7 to drive the screw-in rod 8 to rotate and move linearly simultaneously. Under the action of the screw-in drive mechanism, the screw-in rod 8 drives the drill cylinder 9 to rotate while also moving vertically downward, thereby drilling planting holes for transplanting peach seedlings in the ground under the action of the pointed conical end of the drill cylinder 9 and the spiral blades.

[0019] A drive shaft sleeve 11 is rotatably mounted on the horizontal mounting plate 7. The screw-in rod 8 is slidably inserted into the interior of the drive shaft sleeve 11. Multiple drive grooves 12 are evenly distributed circumferentially on the inner circumferential wall of the drive shaft sleeve 11. Multiple elongated drive bosses 13, each adapted to one of the drive grooves 12, are evenly fixed circumferentially on the outer circumferential wall of the screw-in rod 8. This configuration allows the screw-in rod 8 to slide linearly along the drive shaft sleeve 11 in the vertical direction. Furthermore, when the drive shaft sleeve 11 rotates, the screw-in rod 8 rotates together with the drive shaft sleeve 11 due to the interlocking action of the multiple pairs of drive bosses 13 and drive grooves 12.

[0020] In this embodiment, the rotary drive mechanism includes a drive screw 14 rotatably mounted between the bottom end of the horizontal mounting plate 7 and the frame plate 1. A first motor 15 for driving the drive screw 14 to rotate is fixedly mounted on the upper part of the horizontal mounting plate 7. A drive gear 16 is fixedly fitted near the upper end of the drive screw 14, and a driven gear 17 that meshes with the drive gear 16 is fitted near the lower end of the transmission shaft sleeve 11. A lifting plate 18 is provided between the two fixed rods 6, the rotary rod 8, and the drive screw 14. Specifically, one end of the lifting plate 18 has two light holes that are respectively limited and slidably engaged with the two fixed rods 6, and the other end of the lifting plate 18 is fixedly mounted with a transmission sleeve 19 that is threadedly connected to the drive screw 14. The lower end of the rotary rod 8 is rotatably connected to the lifting plate 18. When the first motor 15 drives the drive screw 14 to rotate, the meshing transmission action of the drive gear 16 and the driven gear 17 causes the transmission sleeve 11 to drive the screw rod to rotate. At the same time, since the transmission sleeve 19 on the lifting plate 18 maintains a threaded connection with the drive screw 14, the rotational motion of the drive screw 14 is converted into linear motion of the lifting plate 18 and the screw rod 8 in the vertical direction.

[0021] Two arc-shaped soil covering plates 20 are symmetrically arranged at the bottom of the frame plate 1 along the axis of the second through hole 5, and a soil covering drive mechanism for driving the two soil covering plates 20 to move relative to or away from each other is also provided at the bottom of the frame plate 1.

[0022] Specifically: Two vertical mounting plates 21 are symmetrically fixedly arranged on the frame plate 1 between the first through hole 4 and the second through hole 5. The soil covering drive mechanism includes a bidirectional screw 22 rotatably mounted between the two vertical mounting plates 21 and a second motor 23 fixedly disposed on the outside of one of the vertical mounting plates 21 for driving the bidirectional screw 22 to rotate. The two ends of the bidirectional screw 22 have opposite external threads, and two moving blocks 24 are symmetrically mounted on the bidirectional screw 22. The middle of each of the two moving blocks 24 has a threaded through hole that matches the external thread of the corresponding end of the bidirectional screw 22. The bottoms of the two moving blocks 24 are respectively connected to the two soil covering plates 20, and the tops of the two moving blocks 24 are respectively fixedly mounted with limiting sliders 25. The two limiting sliders 25 slide in cooperation with limiting slide rails 26 fixedly mounted on the bottom of the frame plate 1. After the peach tree seedling is planted in the planting hole, the second motor 23 can drive the bidirectional screw 22 to rotate. Since the two moving blocks 24 are respectively connected to the opposite external threads at both ends of the bidirectional screw, the rotating bidirectional screw 22 drives the two moving blocks 24 and the two soil covering plates 20 to move relative to each other, thereby filling the soil outside the planting hole into the planting hole.

[0023] In this embodiment, a vertical first cylinder 27 is fixedly installed at the bottom of each of the moving blocks 24. The telescopic ends of the two first cylinders 27 are fixedly connected to the connecting plates 28 fixedly installed on the outside of the soil covering plates 20 on the corresponding sides. With the above arrangement, when the entire device moves on the ground, the two first cylinders 27 are in a retracted state, thereby preventing the soil covering plates 20 from scraping the surface soil layer. When the peach tree seedling is placed into the planting hole, the two first cylinders 27 can extend to lower the two soil covering plates 20 for soil covering. In addition, two second cylinders 29 are symmetrically installed on the inner side of each of the soil covering plates 20. The telescopic ends of the two second cylinders 29 located in the same soil covering plate 20 are fixedly connected to a soil compaction plate 30. When the two soil covering plates 20 perform soil covering, the two second cylinders 29 in each soil covering plate 20 extend synchronously, thereby pushing the soil compaction plate 30 to compact the soil.

[0024] As a further improvement to the present invention, a seedling storage turntable 31 is rotatably mounted on the upper part of the frame plate 1 away from the traction frame 2, and a third motor 32 for driving the seedling storage turntable 31 to rotate is fixedly mounted on the bottom of the frame plate 1. Multiple first connecting frames 33 with L-shaped cross-sections in the vertical direction are uniformly fixedly arranged circumferentially on the seedling storage turntable 31. A horizontal bidirectional cylinder 34 is fixedly arranged at the bottom of the end of each first connecting frame 33 away from the seedling storage turntable 31. Two second connecting frames 35 with L-shaped cross-sections in the horizontal direction are connected opposite to the two telescopic ends of each bidirectional cylinder 34. Two clamping plates 36 with arc-shaped cross-sections for clamping seedlings are fixedly arranged opposite to the ends of the two second connecting frames 35 away from the corresponding bidirectional cylinder 34. In this embodiment, there are eight first connecting frames 33. The third motor 32 intermittently drives the seedling storage turntable 31 to rotate 45°, so that the seedlings held by each pair of clamping plates 36 are aligned with the second through hole 5 in sequence. At this time, the bidirectional cylinder 34 opposite to the two clamping plates 36 extends, thereby releasing the two clamping plates 36 and automatically placing the seedlings into the second through hole 5 and the planting hole below it.

[0025] In addition, a flexible buffer pad 37 is fixedly provided on the inner wall of each of the clamping plates 36. The flexible buffer pad 37 can be a sponge pad to avoid damaging the seedling when clamping it.

[0026] The specific working process of this invention is as follows: After the entire device moves to the predetermined planting position driven by the traction equipment, the rotary drive mechanism is activated. The first motor 15 drives the drive screw 14 to rotate. On the one hand, the meshing of the drive gear 16 and the driven gear 17 drives the transmission shaft sleeve 11 to rotate. On the other hand, the threaded engagement between the transmission sleeve 19 and the drive screw 14 causes the lifting plate 18 to move vertically downward along the fixed rod 6. The transmission shaft sleeve 11 engages with the transmission boss 13 on the outer peripheral wall of the rotary rod 8 through the transmission groove 12 on its inner peripheral wall, driving the rotary rod 8 to rotate synchronously. While rotating, the rotary rod 8 is fed vertically downward along with the lifting plate 18. The pointed cone-shaped structure at the bottom of the drill cylinder 9 first breaks through the ground surface, and then the spiral blades 10 cut and guide the soil upward, forming a planting hole on the ground that matches the root system of the seedling. After the hole is dug, the first motor 15 reverses, lifting the drill cylinder 9 to the initial position. The device continues to move, aligning the second through hole 5 with the dug planting hole.

[0027] The third motor 32 intermittently drives the seedling storage turntable 31 to rotate. Specifically, when the seedling held by one pair of clamping plates 36 rotates to the position directly opposite the second through hole 5, the third motor 32 stops. At this time, the telescopic end of the bidirectional cylinder 34 connected to the pair of clamping plates 36 extends outward, pushing the two second connecting frames 35 and the two clamping plates 36 away from each other. The flexible buffer pad 37 on the inner wall of the clamping plate 36 detaches from the seedling surface, and the seedling falls automatically under the action of gravity, accurately falling into the planting hole dug below through the second through hole 5. Afterward, the bidirectional cylinder 34 retracts and resets, preparing to clamp the next seedling. At the same time, the third motor 32 rotates 45° again, so that the seedling held by the next set of clamping plates enters the seedling placement position.

[0028] After the sapling is lowered into the planting hole, the telescopic end of the first cylinder 27 extends downwards, driving the two soil-covering plates 20 to descend to a height close to the ground via the connecting plate 28. Then, the second motor 23 starts, driving the bidirectional screw 22 to rotate. Because the external threads at both ends of the bidirectional screw 22 rotate in opposite directions, the two moving blocks 24, guided by the limiting slider 25 and the limiting rail 26, drive the two soil-covering plates 20 to move relative to each other. The two arc-shaped soil-covering plates 20 converge from both sides of the planting hole towards the center, pushing the soil accumulated around the hole opening during digging into the planting hole, completing the soil covering. After soil covering is completed, the two second cylinders 29 on the inner side of each soil-covering plate 20 extend synchronously, pushing the soil-pressing plate 30 to compact the filled soil, ensuring close contact between the sapling roots and the soil, preventing the sapling from becoming loose or falling over. After compaction is completed, the second cylinder 29 and the first cylinder 27 are reset in sequence, the second motor 23 reverses to make the two soil covering plates 20 move back to their original positions in opposite directions, and the device continues to move to the next planting position, repeating all the above operation procedures.

[0029] Through the above-mentioned continuous and automated cyclical operation, the present invention realizes the integrated operation of digging holes, delivering seedlings, placing seedlings, covering soil and compacting, which significantly improves the efficiency and standardization of seedling transplantation.

[0030] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A tree transplanting device for forestry planting, characterized by: The system includes a frame plate, one end of which is fixedly equipped with a traction frame for connecting to a traction device. Traveling wheels are rotatably mounted near the four corners of the bottom of the frame plate. A first through hole and a second through hole are spaced apart on the frame plate. Two vertical fixing rods are symmetrically fixed on the upper part of the frame plate between the traction frame and the first through hole. The upper ends of the two fixing rods are jointly fixedly connected to the bottom end of a horizontal mounting plate. A screw-in rod is mounted on the horizontal mounting plate opposite the first through hole. A drill barrel is fixedly mounted at the lower end of the screw-in rod. A screw-in drive mechanism is provided on the horizontal mounting plate to drive the screw-in rod to rotate and move linearly synchronously. Two arc-shaped soil-covering plates are symmetrically arranged on the bottom of the frame plate along the axis of the second through hole. A soil-covering drive mechanism is also provided on the bottom of the frame plate to drive the two soil-covering plates to move relative to or away from each other.

2. The sapling transplanting device for forestry planting according to claim 1, characterized in that: A transmission shaft sleeve is rotatably mounted on the horizontal mounting plate. The screw rod is slidably inserted into the inside of the transmission shaft sleeve. The inner circumferential wall of the transmission shaft sleeve is evenly provided with multiple transmission grooves along the circumferential direction. The outer circumferential wall of the screw rod is evenly fixed with multiple elongated transmission bosses that are adapted to each of the transmission grooves.

3. The sapling transplanting device for forestry plantation according to claim 2, characterized in that: The rotary advance drive mechanism includes a drive screw rotatably disposed between the other end of the bottom of the horizontal mounting plate and the frame plate. A first motor for driving the drive screw to rotate is fixedly disposed on the upper part of the horizontal mounting plate. A drive gear is fixedly sleeved on the upper part of the drive screw, and a driven gear meshing with the drive gear is sleeved on the lower part of the transmission shaft sleeve. A lifting plate is provided between the two fixed rods, the rotary advance rod, and the drive screw. One end of the lifting plate has two light holes that are respectively limited and slidably engaged with the two fixed rods. The other end of the lifting plate is fixedly disposed with a transmission sleeve that is threadedly connected to the drive screw. The lower part of the rotary advance rod is rotatably connected to the lifting plate.

4. The sapling transplanting device for forestry plantation according to claim 1, characterized in that: The bottom of the drill barrel is a pointed cone-shaped structure, and helical blades are fixedly fitted on the outer peripheral wall of the drill barrel.

5. The seedling transplanting device for forestry planting according to claim 1, characterized in that: The frame plate has two vertical mounting plates symmetrically fixedly installed between the first through hole and the second through hole. The soil covering drive mechanism includes a bidirectional screw rotatably installed between the two vertical mounting plates and a second motor fixedly installed on the outside of one of the vertical mounting plates for driving the bidirectional screw to rotate. The two ends of the bidirectional screw have opposite external threads. Two moving blocks are symmetrically installed on the bidirectional screw. The middle of each of the two moving blocks has a threaded through hole that matches the external thread of the corresponding end of the bidirectional screw. The bottom of each of the two moving blocks is connected to the two soil covering plates. The top of each of the two moving blocks is fixedly installed with a limit slider. The two limit sliders slide in cooperation with a limit rail fixedly installed at the bottom of the frame plate.

6. The seedling transplanting device for forestry planting according to claim 5, characterized in that: Each of the movable blocks has a vertical first cylinder fixedly installed at its bottom, and the telescopic ends of the two first cylinders are respectively fixedly connected to the connecting plates fixedly installed on the outside of the soil covering plate on the corresponding side.

7. The seedling transplanting device for forestry planting according to claim 5, characterized in that: Two second cylinders are symmetrically arranged on the inner side of each of the soil covering plates. The telescopic ends of the two second cylinders located in the same soil covering plate are fixedly connected to a soil pressing plate.

8. The seedling transplanting device for forestry planting according to claim 1, characterized in that: A seedling storage turntable is rotatably mounted on the upper part of the frame plate away from the traction frame. A third motor for driving the seedling storage turntable to rotate is fixedly mounted on the bottom of the frame plate. Multiple first connecting frames with L-shaped cross-sections in the vertical direction are evenly fixedly mounted on the seedling storage turntable along its circumference. A bidirectional cylinder is fixedly mounted on the bottom of the end of each first connecting frame away from the seedling storage turntable. Two second connecting frames with L-shaped cross-sections in the horizontal direction are connected to each other at the two telescopic ends of each bidirectional cylinder. Two clamping plates with arc-shaped cross-sections for clamping seedlings are fixedly mounted to each other at the ends of the two second connecting frames away from the corresponding bidirectional cylinders.

9. The seedling transplanting device for forestry planting according to claim 8, characterized in that: Flexible buffer pads are fixedly installed on the inner walls of each clamping plate.

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