A device for digging up the root ball of transplanted garden greening seedlings

By designing an active digging mechanism and a rubber tube structure, the problem of complete separation of the soil from the roots of seedlings in existing technologies has been solved, achieving stability and soil ball integrity during seedling transplantation and improving the survival rate of seedlings.

CN224439904UActive Publication Date: 2026-07-03ANHUI YIRAN INTELLIGENT TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI YIRAN INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing seedling transplanting equipment cannot completely sever the connection between the soil at the root of the seedling and the ground soil during the excavation process, resulting in some soil residue and affecting the survival rate of the seedlings after transplanting.

Method used

Design a soil ball excavation device for transplanting garden greening seedlings. It adopts an active excavation mechanism and a rubber cylinder structure. Through hydraulic drive and servo motor control, it realizes the reciprocating swing of the shovel and the buffer protection of the rubber cylinder to ensure the vertical stability of the seedling and separate the soil at the root of the seedling from the ground soil.

Benefits of technology

It improves the integrity and stability of the soil ball during seedling transplantation, reduces friction and collision during digging, ensures the integrity of the root growth environment, and increases the survival rate of seedlings after transplantation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of landscaping technology and discloses a device for digging up the root ball of transplanted landscaping seedlings. It includes two semi-circular arc-shaped arms, one end of which is hinged to each other and connected to the connection end of an external hydraulic work vehicle. Connecting members are fixedly connected to the opposite sides of the two arc-shaped arms, and both connecting members are hinged to the output end of the hydraulic equipment on the external hydraulic work vehicle. This device, through its active digging mechanism, can penetrate the soil around the seedling roots using multiple shovels, separating the soil from the surface soil. A rubber cylinder contacts the main trunk of the seedling to straighten it, keeping it upright and preventing it from tilting or falling over due to external forces during digging. It also provides cushioning and protection during the digging process.
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Description

Technical Field

[0001] This utility model relates to the field of landscaping technology, specifically a device for digging up soil balls during transplanting of landscaping seedlings. Background Technology

[0002] Landscape greening is the creation of a beautiful natural environment and recreational space within a certain area by using engineering technology and artistic means, such as modifying the terrain (e.g., building mountains, stacking stones, and managing water), planting trees and flowers, constructing buildings, and arranging garden paths.

[0003] An existing patent (publication number: CN217608709U) discloses a hemispherical seedling digging device with soil attached, including a U-shaped frame. Both ends of the bottom of the U-shaped frame are fixedly connected to bases, and two casters are provided on both sides of the bottom of each base. This hemispherical seedling digging device, through the inclusion of a lifting component and a digging component, allows the operator to move the device to the desired position by holding a push plate. A motor drives a lead screw to rotate forward, causing the moving plate to move downward, thus adjusting the three digging blades to contact the ground. Three pneumatic cylinders then drive the three digging blades downward, allowing for digging of the seedling roots with soil attached. During digging, damage to the roots is minimized, ensuring the roots are encased in the excavated soil. The motor then drives the lead screw to rotate in the opposite direction, causing the moving plate to move upward, thus lifting the excavated seedling roots for easy transplanting to the desired location. This eliminates the need for manual digging, saving time and effort, and increasing work efficiency.

[0004] The aforementioned digging device facilitates the transplanting of seedlings to the desired location without manual digging, saving time and effort and increasing work efficiency. However, in actual use, multiple digging blades are inserted into the soil, and then the ring plate moves them vertically back to their original position, digging out the seedling and the soil around its roots together. But because multiple digging blades are inserted vertically into the soil, relying solely on the tilted insertion of multiple digging blades into the soil and the ring plate moving them back to their original position, it is impossible to completely sever the connection between the soil around the seedling roots and the surface soil. The soil around the seedling roots is difficult to completely remove, resulting in some soil remaining at the original digging position, unable to be completely removed from the ground with the digging blades. This affects the integrity of the soil around the roots when transplanting the seedlings and may reduce the survival rate of the seedlings after transplanting. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a soil ball excavation device for transplanting landscaping seedlings, which has the advantages of ensuring the integrity of transplanting seedlings with soil, and solves the problems mentioned in the background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a garden greening seedling transplanting and soil ball excavation device, comprising two semi-circular arc arms, one end of the two arc arms being hinged to each other, and the hinged end of the two arc arms being hinged to the connection end of an external hydraulic working vehicle, and connecting parts being fixedly connected to the opposite sides of the two arc arms, and both connecting parts being hinged to the output end of the hydraulic equipment on the external hydraulic working vehicle;

[0007] Both arc-shaped arms have arc-shaped grooves on their surfaces, and arc-shaped plates are slidably connected inside the two arc-shaped grooves. A set of active digging mechanisms is installed on the side of the two arc-shaped plates facing the center of the arc-shaped arms. After the two sets of active digging mechanisms penetrate into the soil, they can slide synchronously along the arc-shaped extension direction of the arc-shaped arms.

[0008] Furthermore, the active digging mechanism also includes a bracket fixedly connected to the upper surface of the arc plate, a sliding frame rotatably connected to the inner wall of the bracket, a digging blade slidably connected to the inner wall of the sliding frame, and a hydraulic rod hinged to the inner wall of the bracket, with the output end of the hydraulic rod hinged to the upper end of the digging blade.

[0009] With the above solution, by setting a sliding frame that rotates inside the support, the sliding frame can rotate when the hydraulic rod pushes the dig shovel to slide inside the sliding frame, preventing hard contact between the dig shovel and the sliding frame, so that the dig shovel can smoothly penetrate into the soil.

[0010] Furthermore, the active excavation mechanism includes connecting arms fixedly connected to the two outer side walls of the sliding frame, and a sliding cylinder fixedly connected to the other end of each of the two connecting arms. An arc-shaped rod is slidably inserted into the interior of each of the two sliding cylinders. A spring is fixedly connected between each of the two arc-shaped rods and the adjacent sliding cylinder. A fixing ring is fixedly connected to one end of each of the two arc-shaped rods, and a rubber cylinder is rotatably connected between the two fixing rings.

[0011] Through the above scheme, the rubber cylinder can play a buffering and protective role during the excavation process. When the shovel digs the soil, the rubber cylinder comes into contact with the sapling, keeping the sapling upright and preventing it from tilting or falling over due to external forces during the excavation process. This ensures the stability of the sapling during the excavation process and improves the excavation efficiency and the quality of the soil ball.

[0012] Furthermore, the plurality of rubber cylinders are distributed circumferentially and arranged in an alternating pattern.

[0013] The above scheme increases the contact area between the rubber cylinder and the seedling, making the supporting force on the seedling more uniform and further enhancing the stability of the seedling during the digging process. At the same time, the staggered arrangement helps to reduce friction and collision with the seedling during the digging process, thus better protecting the seedling.

[0014] Furthermore, the active excavation mechanism also includes an arc-shaped worm gear ring fixedly connected to the side of the arc-shaped plate, a worm gear rotatably connected to the upper end of the arc-shaped arm through a bearing seat, the worm gear meshing with the arc-shaped worm gear ring, a servo motor fixedly mounted on the surface of the arc-shaped arm, and the output end of the servo motor fixedly connected to one end of the worm gear.

[0015] The above scheme uses a servo motor to drive a worm gear, which in turn drives an arc-shaped worm wheel ring to rotate, thus causing the arc-shaped plate to move along the arc. This transmission method has self-locking properties, ensuring the stability of the arc-shaped plate during movement. By driving the worm gear to rotate forward and backward using the servo motor, the arc-shaped plate can drive multiple digging shovels to penetrate the soil and then swing back and forth, thereby separating the soil at the base of the seedling from the soil on the bottom surface. This effectively reduces the difficulty of digging, improves digging efficiency, and makes it easier for the root ball to detach from the soil.

[0016] Furthermore, each of the two adjacent ends of the two arc-shaped arms is fixedly connected with a rubber pad, and the two rubber pads are in contact with each other.

[0017] Through the above solution, the rubber pad has good elasticity and cushioning performance. When the two arc arms are closed, the rubber pads come into contact with each other and can play a cushioning role, reducing the impact force when the arc arms are closed, avoiding damage to the device itself due to excessive impact force, and extending the service life of the device.

[0018] Compared with the prior art, the technical solution of this utility model has the following beneficial effects:

[0019] This is a soil ball excavation device for transplanting garden greening seedlings. The active excavation mechanism can penetrate into the soil at the root of the seedling through multiple shovels, separating the soil at the root of the seedling from the ground soil. The rubber tube can contact the main trunk of the seedling to straighten the seedling and keep it in an upright position, preventing the seedling from tilting or falling over due to external forces during the excavation process. At the same time, it can also play a buffering and protective role during the excavation process.

[0020] The auxiliary digging mechanism can drive the arc plate to slide in the arc groove, so that after the shovel is inserted into the root of the seedling, it swings in the soil, thereby separating the soil at the root of the seedling from the soil on the bottom. This ensures that the soil at the root of the seedling is hemispherical, preserving an intact and suitable root growth environment, minimizing damage to the distribution of the seedling root system and soil structure, and providing a guarantee for the rapid recovery and growth of the seedling after transplanting. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 This is a schematic diagram of the sliding frame structure of this application;

[0023] Figure 3 This is a schematic diagram of the support structure in this application;

[0024] Figure 4 This is a schematic diagram of the arc-shaped arm structure of this application.

[0025] In the picture:

[0026] 1. Arc-shaped arm; 2. Connector; 3. Arc-shaped groove; 4. Arc-shaped plate;

[0027] 5. Proactively identify organizations;

[0028] 502, bracket; 503, sliding frame; 504, excavator blade; 505, hydraulic rod;

[0029] 506. Connecting arm; 507. Slide cylinder; 508. Arc rod; 509. Spring; 510. Fixing ring; 511. Rubber cylinder;

[0030] 512. Arc-shaped worm gear ring; 513. Worm; 514. Servo motor;

[0031] 7. Rubber pad. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0033] Please see Figures 1-4 This embodiment of a garden greening seedling transplanting and soil ball excavation device includes two semi-circular arc arms 1. One end of the two arc arms 1 is hinged to each other, and the hinged end of the two arc arms 1 is also hinged to the connection end of an external hydraulic working vehicle. Connecting parts 2 are fixedly connected to the opposite sides of the two arc arms 1. Both connecting parts 2 are hinged to the output end of the hydraulic equipment on the external hydraulic working vehicle. The external hydraulic working vehicle drives the opening and closing of the two arc arms 1, which facilitates the surrounding and positioning of the seedlings. The external hydraulic working vehicle can drive the two arc arms 1 to rise, fall, or tilt to adapt to the excavation needs of different terrains and seedling growth environments.

[0034] Both arc-shaped arms 1 have arc-shaped grooves 3 on their upper surfaces. Arc-shaped plates 4 are slidably connected inside the two arc-shaped grooves 3. A set of active digging mechanisms 5 is installed on one side of the two arc-shaped plates 4 facing the center of the arc-shaped arm 1. After the two sets of active digging mechanisms 5 penetrate into the soil, they can slide synchronously along the arc-shaped extension direction of the arc-shaped arm 1.

[0035] The active digging mechanism 5 includes a bracket 502 fixedly connected to the upper surface of the arc plate 4. A sliding frame 503 is rotatably connected to the inner wall of the bracket 502. A digging blade 504 is slidably connected to the inner wall of the sliding frame 503. Both the bracket 502 and the digging blade 504 are arc-shaped, which allows the digging blade 504 to better conform to the curvature of the soil ball surface after it penetrates into the soil, making the digging action more precise, reducing the disturbance to the soil around the soil ball during the digging process, and helping to maintain the integrity of the soil ball. A hydraulic rod 505 is hinged to the inner wall of the bracket 502. The output end of the hydraulic rod 505 is hinged to the upper end of the digging blade 504. Through the sliding frame 503, which is set to rotate on the inner wall of the bracket 502, the sliding frame 503 can rotate when the hydraulic rod 505 pushes the digging blade 504 to slide in the sliding frame 503, preventing hard contact between the digging blade 504 and the sliding frame 503, so that the digging blade 504 can penetrate into the soil smoothly.

[0036] The active digging mechanism 5 also includes connecting arms 506 fixedly connected to the two outer walls of the sliding frame 503. Each connecting arm 506 has a sliding cylinder 507 fixedly connected to its other end. An arc-shaped rod 508 is slidably inserted inside each of the two sliding cylinders 507. A spring 509 is fixedly connected between each of the two arc-shaped rods 508 and the adjacent sliding cylinder 507. A fixing ring 510 is fixedly connected to one end of each of the two arc-shaped rods 508. A rubber cylinder 511 is rotatably connected between the two fixing rings 510. The rubber cylinder 511 provides cushioning and protection during digging. When the digging blade 504... When excavating the soil, the rubber cylinder 511 contacts the sapling, keeping it upright and preventing it from tilting or falling over due to external forces during excavation. This ensures the stability of the sapling during excavation, improves excavation efficiency, and enhances the quality of the root ball. Multiple rubber cylinders 511 are distributed circumferentially and arranged in a staggered pattern. This staggered arrangement increases the contact area between the rubber cylinder 511 and the sapling, making the supporting force on the sapling more even and further enhancing its stability during excavation. At the same time, the staggered arrangement helps reduce friction and collisions to the sapling during excavation, better protecting it.

[0037] The active digging mechanism 5 also includes an arc-shaped worm gear ring 512 fixedly connected to the side of the arc-shaped plate 4. The upper end of the arc-shaped arm 1 is rotatably connected to a worm 513 through a bearing seat. The worm 513 is meshed with the arc-shaped worm gear ring 512. A servo motor 514 is fixedly installed on the surface of the arc-shaped arm 1. The output end of the servo motor 514 is fixedly connected to one end of the worm 513. The servo motor 514 drives the worm 513 to rotate, which in turn drives the arc-shaped worm gear ring 512 to rotate, thereby causing the arc-shaped plate 4 to slide along the arc-shaped groove 3. This transmission method has self-locking properties, which can ensure the stability of the arc-shaped plate 4 during movement. By driving the worm 513 to rotate forward and backward through the servo motor 514, the arc-shaped plate 4 can drive multiple digging shovels 504 to penetrate into the soil and then swing back and forth, thereby separating the soil at the root of the seedling from the soil on the bottom surface, effectively reducing the difficulty of digging, improving the digging efficiency, and making it easier for the root ball to detach from the soil.

[0038] Rubber pads 7 are fixedly connected to one end of each of the two arc arms 1. The two rubber pads 7 are in contact with each other. The rubber pads 7 have good elasticity and cushioning performance. When the two arc arms 1 are closed, the rubber pads 7 are in contact with each other and can play a cushioning role, reducing the impact force when the arc arms 1 are closed, avoiding damage to the device itself due to excessive impact force, and extending the service life of the device.

[0039] The working principle of the above embodiment is as follows: When transplanting seedlings, the external hydraulic work vehicle drives two arc-shaped arms 1 to approach the seedlings and drive the arc-shaped arms 1 to contact the ground. Then, the hydraulic equipment on the hydraulic work vehicle pushes one end of the two arc-shaped arms 1 to contact through the connector 2, forming a enclosure for the seedlings. After one end of the two arc-shaped arms 1 contacts, multiple rubber cylinders 511 can contact the main trunk of the seedlings to clamp the seedlings and prevent them from tipping over during the transplanting process. After the rubber cylinders 511 contact the main trunk of the seedlings, the arc-shaped rod 508 will slide in the slide cylinder 507 and compress the spring 509. By utilizing the deformation force of the spring 509 and the elastic deformation characteristics of the rubber cylinder 511, the main trunk of the seedlings can be protected, preventing damage to the seedlings caused by the movement of structures such as the slide frame 503 or contact with the seedlings.

[0040] During the transplanting process, multiple hydraulic rods 505 can push the digging shovel 504 to slide within the sliding frame 503 and penetrate into the soil around the seedling roots. Subsequently, the servo motor 514 drives the worm gear 513 to rotate, which in turn drives the arc-shaped worm wheel ring 512 to slide the arc-shaped plate 4 within the arc-shaped groove 3. This causes the arc-shaped plate 4 to drive the digging shovel 504 to rotate within the soil around the seedling via the bracket 502 and the sliding frame 503. Through the forward and reverse rotation of the servo motor 514, the digging shovel 504 can reciprocate within the soil around the seedling roots, thereby moving the soil around the seedling roots and severing the connection between the soil around the seedling roots and the ground soil. Finally, the hydraulic work vehicle drives the support arm to rise vertically, allowing multiple digging shovels 504 to excavate the seedling and the soil around its roots together, ensuring that the excavated soil around the seedling roots is hemispherical, preserving a complete and suitable root growth environment.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for digging a soil ball of a transplanted garden greenery seedling, comprising two arc-shaped arms (1) in a semi-circular structure, characterized in that: One end of each of the two arc arms (1) is hinged to the other, and the hinged end of each of the two arc arms (1) is hinged to the connection end of the external hydraulic work vehicle. A connecting piece (2) is fixedly connected to the side of the two arc arms (1) that is far apart from each other. Both connecting pieces (2) are hinged to the output end of the hydraulic equipment on the external hydraulic work vehicle. Both arc-shaped arms (1) have arc-shaped grooves (3) on their surfaces. Each arc-shaped groove (3) has an arc-shaped plate (4) slidably connected inside. A set of active digging mechanisms (5) is installed on one side of the two arc-shaped plates (4) facing the center of the arc-shaped arm (1). After the two sets of active digging mechanisms (5) penetrate into the soil, they can slide synchronously along the arc-shaped extension direction of the arc-shaped arm (1).

2. The device according to claim 1, characterized in that: The active excavation mechanism (5) includes a bracket (502) fixedly connected to the upper surface of the arc plate (4), a sliding frame (503) rotatably connected to the inner wall of the bracket (502), a digging shovel (504) slidably connected to the inner wall of the sliding frame (503), and a hydraulic rod (505) hinged to the inner wall of the bracket (502). The output end of the hydraulic rod (505) is hinged to the upper end of the digging shovel (504).

3. The device according to claim 2, characterized in that: The active excavation mechanism (5) also includes connecting arms (506) fixedly connected to the two outer walls of the slide frame (503), and slide cylinders (507) fixedly connected to the other ends of the two connecting arms (506). Arc rods (508) are slidably inserted into the interior of the two slide cylinders (507). Springs (509) are fixedly connected between the two arc rods (508) and the adjacent slide cylinders (507). A fixing ring (510) is fixedly connected to one end of the two arc rods (508), and a rubber cylinder (511) is rotatably connected between the two fixing rings (510).

4. The device according to claim 3, characterized in that: The multiple rubber cylinders (511) are distributed circumferentially and arranged in an alternating pattern.

5. A device for digging up the root ball of transplanted landscaping seedlings according to claim 2 or 3, characterized in that: The active excavation mechanism (5) also includes an arc-shaped worm gear ring (512) fixedly connected to the side of the arc plate (4), and a worm (513) rotatably connected to the upper end of the arc arm (1) through a bearing seat. The worm (513) meshes with the arc-shaped worm gear ring (512), and a servo motor (514) is fixedly installed on the surface of the arc arm (1). The output end of the servo motor (514) is fixedly connected to one end of the worm (513).

6. The device according to claim 1, wherein: Each of the two arc-shaped arms (1) has a rubber pad (7) fixedly connected to one of its adjacent ends, and the two rubber pads (7) are in contact with each other.