Bucket-wheel earth-digging type pot seedling transplanting machine

Abstract

A kind of bucket wheel excavating type pot seedling transplanting machine, including frame, and two excavating wheels are installed with ridge repairing roller on the frame, and soil can be dug successively when excavating wheel rotates, two soil conveying pipes are installed on the frame, and the soil inlet of two soil conveying pipes can be connected with the soil dug by two excavating wheels respectively, two soil conveying pipes all have vertically arranged and top open soil falling section, two hole digging mechanisms and two seedling throwing turntables are installed on the frame, a plurality of seedling throwing cups are installed on two seedling throwing turntables respectively, and seedling falling pipe is arranged at the bottom of two seedling throwing turntables respectively, seedling falling pipe is vertically arranged and inserted in the inner side of soil falling section, when seedling throwing turntable rotates, pot seedling can be sequentially dropped into seedling falling pipe, so that pot seedling is dropped into the center position inside hole drilled by hole digging mechanism through seedling falling pipe, and soil is dropped into the position around pot seedling inside hole through annular cavity between seedling falling pipe and soil falling section, the straightness of pot seedling can be guaranteed, and the precision and efficiency of pot seedling transplanting are improved.

Description

Technical Field

[0001] This invention relates to the field of potted seedling transplanting, and more particularly to a bucket wheel digging type potted seedling transplanter. Background Technology

[0002] Seedling transplanting effectively reduces costs and facilitates centralized management of potted seedlings, which is beneficial for cultivating high-quality seedlings. This planting method offers advantages such as high-quality operational results, time savings, and high seedling survival and stability. Seedling transplanting technology has become an important means of vegetable production and is gradually becoming a direction for agricultural development. With the advancement of agricultural technology, seedling transplanting technology, with its advantages of climate compensation for crops and advancing crop growth, has overcome the problems of high vegetable seed prices and long seedling stages, and has now become the main planting method for vegetable production.

[0003] During transplanting, the uprightness of the seedlings is a crucial factor in their survival. Uprightness refers to the angle between the seedling's stem and the ground. Currently, most existing transplanting facilities use duckbill-type planters, which transplant the seedlings into the soil while simultaneously digging the planting hole. The soil is then compacted by a rolling mill at the rear of the machine. However, soil, being a granular material, exhibits rheological properties. During the covering process, the direction of soil flow is uncertain, causing the soil to push the seedling from one direction. This can lead to the seedling tilting in different directions, affecting its uprightness, increasing the difficulty of later management, and reducing the accuracy and efficiency of seedling transplanting. Summary of the Invention

[0004] The purpose of this invention is to provide a bucket wheel digging type seedling transplanter to improve the accuracy and efficiency of seedling transplanting.

[0005] The technical solution adopted by this invention to solve the above-mentioned technical problems is as follows: a bucket wheel digging-type seedling transplanter, including a frame, with track drive components installed on the left and right sides of the front end of the frame, which can drive the frame forward; rear wheels are installed on the left and right sides of the rear end of the frame; a ridge-pruning roller and two digging wheels are installed on the side of the frame near the front end, with the two digging wheels located on both sides of the ridge-pruning roller along the axial direction; a first motor is installed on the frame to drive the ridge-pruning roller and the two digging wheels to rotate; the digging wheels can dig soil sequentially when rotating; two soil-carrying pipes are installed on the frame, with soil inlets that can respectively receive the soil dug by the two digging wheels; both soil-carrying pipes have vertically arranged sections on the side near the rear end of the frame. The top of the open-top soil-feeding section has two hole-drilling mechanisms and two seedling-feeding turntables installed on the side of the frame near the rear. Each of the two seedling-feeding turntables has multiple seedling cups for placing potted seedlings. The bottom of each of the two seedling-feeding turntables is equipped with a seedling-feeding tube, which is vertically set and inserted into the inside of the soil-feeding section. The two hole-drilling mechanisms are located in front of the two soil-feeding sections along the forward direction of the frame. The frame is equipped with a second motor for driving the two hole-drilling mechanisms and the two seedling-feeding turntables. When the seedling-feeding turntables rotate, they can sequentially drop the potted seedlings from multiple seedling cups into the seedling-feeding tubes, so that the potted seedlings fall through the seedling-feeding tubes into the center of the hole drilled by the hole-drilling mechanism. Soil also falls through the annular cavity between the seedling-feeding tubes and the soil-feeding section into the hole, surrounding the potted seedlings.

[0006] The excavating wheel includes a spoked ring plate and a spokeless ring plate arranged opposite each other. Multiple crossbars connect the spoked and spokeless ring plates, forming a wheel structure with spokes on one side. Multiple excavating buckets are circumferentially spaced on the outer circumference of the wheel structure. The excavating buckets are open on one side facing inwards from the wheel structure. When the excavating bucket rotates to the lowest point of the excavating wheel, the side of the excavating wheel facing the forward direction of the vehicle frame also opens. The excavating wheel can drive the excavating buckets to rotate upwards from the lowest point towards the forward direction of the vehicle frame, thereby enabling the excavating buckets to... The system digs up soil and moves it upwards. Two soil retainers are mounted on the frame via two brackets. The soil retainers are semi-circular plates, located between the spoked and spokeless ring plates of the two digging wheels, respectively. The outer surface of the soil retainer extends from the lowest digging bucket to the highest digging bucket, and the outer surface of the soil retainer faces the direction of the frame's movement. This allows the outer surface of the soil retainer to block the soil moving upwards with the digging bucket and allows the soil to fall from the highest digging bucket to the soil inlet.

[0007] Preferably, water tanks are installed on the left and right sides of the rear end of the vehicle frame, and the two water tanks can supply water to their respective watering devices.

[0008] Preferably, the drilling mechanism includes a drill, which is connected to a slider capable of vertical movement. The slider is connected to a connecting rod. A sprocket driven by a second motor is mounted on the frame. The sprocket can drive a crank to rotate. The crank is connected to the connecting rod, thereby enabling the drill to reciprocate in the vertical direction.

[0009] Preferably, when at the lowest end, the end of the excavator wheel that is open in the direction of travel of the frame is equipped with multiple finger shovels for inserting into the soil.

[0010] According to the above technical solution, the beneficial effects of the present invention are:

[0011] In operation, this invention first levels the ridges around the seedlings to be transplanted by rotating the ridge-leveling roller, facilitating subsequent hole-drilling and planting. Then, a soil-digging wheel collects soil from both sides of the ridge without damaging its shape. The digging wheel uses multiple digging buckets to successively excavate soil, which then falls sequentially through the soil inlet into the soil transport pipe. Simultaneously, the hole-drilling mechanism, moving with the vehicle frame, drills holes sequentially in the leveled ground, ensuring these holes are always located in front of the seedling drop pipe. When the vehicle frame continues moving until the seedling drop pipe is directly above the hole, a seedling enters the drop pipe from the seedling cup as the seedling feeding turntable rotates, then falls to the center of the hole. Simultaneously, soil excavated by a digging bucket enters the annular cavity between the seedling drop pipe and the soil drop section via the soil transport pipe, then falls into the hole surrounding the seedling. After covering the soil, the direction of soil falling is ensured to be parallel to the stem of the seedling, and the soil covering will not affect the uprightness of the seedling, thus preventing the seedling from tilting. After one seedling is transplanted, the vehicle continues to move forward to transplant the next seedling. With each forward movement of the vehicle, the hole-drilling mechanism automatically drills a new hole, and then soil from a new hopper on the digging wheel falls into the soil transport pipe. A new seedling cup on the seedling-feeding turntable rotates to the seedling-feeding position. The four actions of drilling holes, digging soil, dropping seedlings, and dropping soil are coordinated to efficiently complete the transplanting of seedlings. The seedling transport channel and the soil transport channel are independent of each other, and the soil will not damage the stems and leaves of the seedlings during the transport process, improving the accuracy and efficiency of seedling transplanting. Attached Figure Description

[0012] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0013] Figure 2 This is a top view of the present invention;

[0014] Figure 3 A three-dimensional schematic diagram of a digger;

[0015] Figure 4 This is a front view schematic diagram of the acupressure mechanism;

[0016] Figure 5 This is a side view of the acupressure mechanism.

[0017] The diagram is labeled as follows: 1. Chassis, 2. Track drive assembly, 3. Rear wheel, 4. Water tank, 5. Watering device, 6. Ridging roller, 7. Digging wheel, 701. Spoke ring plate, 702. Spokeless ring plate, 703. Crossbar, 704. Digging bucket, 705. Finger shovel, 706. Retaining plate, 707. Support, 8. Soil transport pipe, 801. Soil inlet, 802. Soil dropping section, 9. Seedling turntable, 10. Seedling cup, 11. Seedling dropping pipe, 12. First motor, 13. Second motor, 14. Hole drilling mechanism, 1401. Sprocket, 1402. Crank, 1403. Connecting rod, 1404. Slider, 1405. Drilling rig. Detailed Implementation

[0018] Referring to the attached diagram, the specific implementation method is as follows:

[0019] like Figure 1 , 2 As shown, a bucket wheel digging-type seedling transplanter includes a frame 1. Track drive assemblies 2 are installed on the left and right sides of the front end of the frame 1, enabling the frame 1 to move forward. Rear wheels 3 are installed on the left and right sides of the rear end of the frame 1. A ridge-trimming roller 6 and two digging wheels 7 are installed on the side of the frame 1 near the front end, located on opposite sides of the ridge-trimming roller 6 along its axial direction. A first motor 12 is installed on the frame 1 to drive the ridge-trimming roller 6 and the two digging wheels 7 to rotate. The digging wheels 7 can successively dig up soil as they rotate. Two soil-carrying pipes 8 are installed on the frame 1, with soil inlets 801 that can respectively receive the soil dug by the two digging wheels 7. Each of the two soil-carrying pipes 8 has a vertically arranged, open-topped soil-dropping section 802 on the side near the rear end of the frame 1. Water tanks 4 are installed on the left and right sides of the rear end of the frame 1, supplying water to their respective watering devices 5.

[0020] like Figure 1 , 2As shown, two hole-drilling mechanisms 14 and two seedling-feeding turntables 9 are installed on the side of the frame 1 near the rear end. Multiple seedling cups 10 for placing potted seedlings are installed on the two seedling-feeding turntables 9 respectively. The bottom of the two seedling-feeding turntables 9 is provided with a seedling-dropping tube 11. The seedling-dropping tube 11 is vertically set and inserted into the inner side of the soil-dropping section 802. The two hole-drilling mechanisms 14 are located in front of the two soil-dropping sections 802 along the forward direction of the frame 1. A second motor 13 is installed on the frame 1 to drive the two hole-drilling mechanisms 14 and the two seedling-feeding turntables 9. When the seedling-feeding turntables 9 rotate, the potted seedlings in the multiple seedling cups 10 can fall into the seedling-dropping tube 11 in sequence, so that the potted seedlings fall into the center position of the hole drilled by the hole-drilling mechanism 14 through the seedling-dropping tube 11, and the soil falls into the hole around the potted seedling through the annular cavity between the seedling-dropping tube 11 and the soil-dropping section 802.

[0021] like Figure 1 , 3 As shown, the digging wheel 7 includes a spoked ring plate 701 and a spokeless ring plate 702 arranged opposite each other. Multiple crossbars 703 connect the spoked ring plate 701 and the spokeless ring plate 702, forming a wheel structure with spokes on one side. Multiple digging buckets 704 are circumferentially spaced on the outer circumference of the wheel structure. The digging buckets 704 are open to the inside of the wheel structure, and when the digging buckets 704 rotate to the lowest point of the digging wheel 7, the side of the digging wheel 7 facing the forward direction of the frame 1 also opens. When at its lowest point, multiple finger shovels 705 for inserting into the soil are installed on the open end of the digging wheel 7 facing the forward direction of the frame 1.

[0022] like Figure 3 As shown, the digging wheel 7 can drive the digging bucket 704 to rotate upward from the lowest end toward the forward direction of the frame 1, so that the digging bucket 704 can dig up the soil and drive the soil upward. Two soil retaining plates 706 are installed on the frame 1 through two brackets 707. The soil retaining plates 706 are semi-circular plates. The two soil retaining plates 706 are located between the spoked ring plate 701 and the spokeless ring plate 702 of the two digging wheels 7, respectively. The outer circular surface of the soil retaining plate 706 extends from the digging bucket 704 at the lowest end to the digging bucket 704 at the highest end, and the outer circular surface of the soil retaining plate 706 faces the forward direction of the frame 1, so that the outer circular surface of the soil retaining plate 706 can block the soil moving upward with the digging bucket 704, and allow the soil to fall from the digging bucket 704 at the highest end to the soil receiving port 801.

[0023] like Figure 4 , 5As shown, the drilling mechanism 14 includes a drill 1405, which is connected to a slider 1404 capable of vertical movement. The slider 1404 is connected to a connecting rod 1403. A sprocket 1401 driven by a second motor 13 is mounted on the frame 1. The sprocket 1401 can drive the crank 1402 to rotate. The crank 1402 is connected to the connecting rod 1403, thereby enabling the drill 1405 to reciprocate in the vertical direction.

[0024] In operation, this invention first levels the ridges around the seedlings to be transplanted by rotating the ridge roller. Then, multiple digging buckets on the digging wheel successively dig up the soil, which falls into the soil transport pipe through the soil inlet. Simultaneously, the hole-drilling mechanism drills holes in the leveled ground as the vehicle moves, and these holes are always located in front of the seedling drop pipe. When the vehicle continues to move until the seedling drop pipe is directly above the hole, a seedling enters the seedling drop pipe from the seedling cup as the seedling feeding turntable rotates, and then falls to the center of the hole. At the same time, the soil dug by one of the digging buckets enters the annular cavity between the seedling drop pipe and the soil drop section through the soil transport pipe, and then falls into the hole, surrounding the seedling to complete the covering. This ensures that the direction of soil falling is parallel to the direction of the seedling stem, and that the covering does not affect the uprightness of the seedling, thus ensuring the uprightness of the seedling and preventing it from tilting.

[0025] Once one seedling has been transplanted, the vehicle continues to move forward, allowing for the transplanting of the next seedling. With each forward movement of the vehicle, the hole-drilling mechanism automatically drills a new hole, and soil from a new scoop on the digging wheel falls into the soil transport pipe. A new seedling cup on the seedling-feeding turntable rotates to the seedling placement position. This coordinated action of drilling the hole, digging the soil, dropping the seedling, and dropping the soil efficiently completes the transplanting process. The seedling transport channel and the soil transport channel are independent, ensuring that the soil does not damage the stems and leaves of the seedlings during transport, thus improving the accuracy and efficiency of the transplanting operation.

[0026] This invention features an infrared sensor positioned below the frame, parallel to the axis of the coaxial section of the seedling guide pipe and the soil delivery pipe. This sensor detects the timing of the backfill soil falling and, in conjunction with a speed sensor on the transplanter, coordinates the seedling falling with the soil covering. When the transplanter starts working, after starting the motor, seedlings are not initially placed; only the digging wheel performs the digging operation. Once the transplanter reaches a constant speed, the infrared sensor detects the time interval of soil falling and controls the motor speed to match the frequency of seedling falling with the frequency of soil covering. This process is used for pre-operation debugging of the transplanter.

Claims

1. A bucket wheel-type soil-digging seedling transplanter, characterized in that: The vehicle includes a frame (1), with track drive assemblies (2) installed on the left and right sides of the front end of the frame (1), which can drive the frame (1) forward. Rear wheels (3) are installed on the left and right sides of the rear end of the frame (1). A ridge roller (6) and two digging wheels (7) are installed on the side of the frame (1) near the front end. The two digging wheels (7) are located on both sides of the ridge roller (6) along the axial direction. A first motor (12) is installed on the frame (1) to drive the ridge roller (6) and the two digging wheels (7) to rotate. When the digging wheels (7) rotate, they can dig soil one by one. Two soil transport pipes (8) are installed on the frame (1). The soil inlets (801) of the two soil transport pipes (8) can respectively receive the soil dug by the two digging wheels (7). The side of the two soil transport pipes (8) near the rear end of the frame (1) has a vertically set and open-topped soil drop section (802). The side of the frame (1) near the rear end The system is equipped with two hole-drilling mechanisms (14) and two seedling trays (9). Each seedling tray (9) has multiple seedling cups (10) for placing potted seedlings. The bottom of each seedling tray (9) has a seedling drop tube (11), which is vertically positioned and inserted into the inner side of the soil-feeding section (802). The two hole-drilling mechanisms (14) are located in front of the two soil-feeding sections (802) along the forward direction of the frame (1). The frame (1) is equipped with... The second motor (13) is used to drive the two hole-making mechanisms (14) and the two seedling turntables (9). When the seedling turntable (9) rotates, it can sequentially drop the seedlings in the multiple seedling cups (10) into the seedling tube (11), so that the seedlings fall through the seedling tube (11) to the center of the hole drilled by the hole-making mechanism (14), and the soil falls through the annular cavity between the seedling tube (11) and the soil section (802) to the position surrounding the seedlings inside the hole. The excavating wheel (7) includes a spoked ring plate (701) and a spokeless ring plate (702) arranged opposite to each other. Multiple crossbars (703) connect the spoked ring plate (701) and the spokeless ring plate (702), forming a wheel structure with spokes on one side. Multiple excavating buckets (704) are circumferentially spaced on the outer circumference of the wheel structure. The excavating buckets (704) open towards the inside of the wheel structure, and when the excavating buckets (704) rotate to the lowest point of the excavating wheel (7), the excavating wheel (7) also opens towards the forward direction of the frame (1). The excavating wheel (7) can drive the excavating buckets (704) to rotate upwards from the lowest point towards the forward direction of the frame (1), thereby enabling the excavating buckets (704) to dig soil and... The soil moves upward. Two soil retaining plates (706) are installed on the frame (1) via two brackets (707). The soil retaining plates (706) are semi-circular plates. The two soil retaining plates (706) are located between the spoked ring plate (701) and the spokeless ring plate (702) of the two digging wheels (7), respectively. The outer circle of the soil retaining plate (706) extends from the digging bucket (704) at the lowest end to the digging bucket (704) at the highest end. The outer circle of the soil retaining plate (706) faces the forward direction of the frame (1), so that the outer circle of the soil retaining plate (706) can block the soil moving upward with the digging bucket (704) and allow the soil to fall from the digging bucket (704) at the highest end to the soil receiving port (801).

2. The bucket wheel digging-type seedling transplanter according to claim 1, characterized in that: Water tanks (4) are installed on the left and right sides of the rear end of the frame (1), and the two water tanks (4) can supply water to their respective watering devices (5).

3. The bucket wheel digging-type seedling transplanter according to claim 1, characterized in that: The drilling mechanism (14) includes a drill (1405), which is connected to a slider (1404) capable of vertical movement. The slider (1404) is connected to a connecting rod (1403). A sprocket (1401) driven by a second motor (13) is installed on the frame (1). The sprocket (1401) can drive the crank (1402) to rotate. The crank (1402) is connected to the connecting rod (1403), thereby enabling the drill (1405) to reciprocate in the vertical direction.

4. The bucket wheel digging-type seedling transplanter according to claim 1, characterized in that: When at the lowest point, the end of the excavator (7) facing the direction of travel of the frame (1) is equipped with multiple finger shovels (705) for inserting into the soil.

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