Planted seedling transplanting device

Abstract

The utility model discloses a planted seedling transplanting device which comprises a hinge arm, a seedling digging mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, and the seedling digging mechanism comprises an adjusting ring, a rotating pipe, a first hydraulic cylinder, a mounting sleeve and a clamping shovel. The rapid clamping mechanism comprises a clamping pipe, a clamping rod, a stabilizing spring, a clamping groove, a rotating plate, rotating teeth, a directional sleeve and a toothed plate, the clamping auxiliary mechanism comprises a rotating sleeve, a rotating rod, a rotating block, a rotating groove and a longitudinal groove, and accurate angle and depth control is achieved through an adjusting ring and a first hydraulic cylinder; the digging depth can be rapidly adjusted through the design of a rotating pipe and a mounting sleeve, the seedling root system can be protected to the maximum extent through the design of a clamping shovel, rapid depth adjustment is achieved through the design of a clamping rod and a clamping groove, stable connection is guaranteed through cooperation of a rotating plate and the clamping groove, professional tools are not needed, and human errors are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cultivation and transplantation, and more particularly to a seedling transplanting device. Background Art

[0002] A seedling transplanting device is an automated device specially designed for use in the fields of agriculture and horticulture, and is intended to improve the efficiency and survival rate of seedling transplanting.

[0003] In the existing technology, firstly, some devices cannot accurately control the excavation depth, which may damage the roots of seedlings, lack the ability to adjust the angle, and are difficult to adapt to different soil conditions. The excavation efficiency is low, which increases labor intensity and time costs. It is unable to flexibly cope with seedlings of different sizes and root depths, which may cause damage to the soil structure and affect the survival rate of seedlings. It is difficult to ensure the integrity of seedlings during the excavation process. Secondly, the depth adjustment process is cumbersome, which reduces work efficiency and cannot quickly respond to the needs of different seedlings. It has poor adaptability, increases the operator's work difficulty and error risk, makes it difficult to achieve frequent depth adjustments, limits the flexibility of use, and may require additional tools to assist, increase the complexity of operation, greatly reduce the operation accuracy, affect the success rate of seedling transplantation, significantly reduce work efficiency, increase manpower and time costs, and the equipment has poor adaptability and is difficult to cope with different types of seedlings and soil conditions. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the problems existing in the prior art, the utility model provides a seedling transplanting device to solve the technical problems mentioned in the background art, such as the inability to accurately control the digging depth and the difficulty in achieving frequent depth adjustments.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a planting seedling transplanting device, comprising an articulated arm, a seedling digging mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, wherein the seedling digging mechanism comprises an adjusting ring, a rotating tube, a first hydraulic cylinder, a mounting sleeve and a clamping shovel, one end of the rotating tube is rotatably connected with the adjusting ring, one end of the first hydraulic cylinder is rotatably installed in the rotating tube, the other end of the first hydraulic cylinder is rotatably installed with the side end of the adjusting ring, the mounting sleeve is movably sleeved on the rotating tube, the mounting sleeve is fixedly installed with the rotating tube by the quick clamping mechanism, and the clamping shovel is installed in the mounting sleeve. The bottom of the sleeve, the quick clamping mechanism includes a clamping tube, a clamping rod, a stabilizing spring, a clamping slot, a rotating plate, a rotating tooth, a directional sleeve and a tooth plate. The stabilizing spring is installed on the top of the inner wall of the clamping tube, the clamping slot is set on the side of the clamping rod, the rotating plate is rotatably installed on the outer wall of the clamping tube, the rotating tooth is installed at one end of the rotating plate, the directional sleeve is directional and slidingly set on the outer wall of the clamping tube, and the tooth plate is installed on the inner wall of the directional sleeve. The tooth plate drives the rotating tooth to rotate, so that one end of the rotating plate extends into the clamping slot, so that the clamping rod is fixed, and the rotating plate is further rotated, so that the clamping rod compresses the stabilizing spring, so that the rotating plate is disengaged from the clamping slot.

[0008] The utility model is further configured as follows: the clamping auxiliary mechanism includes a rotating sleeve, a rotating rod, a rotating block, a rotating groove and a longitudinal groove; the rotating sleeve is directional and rotatably mounted on the outer wall of the clamping tube; the rotating rod is mounted on the bottom of the rotating sleeve; the rotating block is mounted on one end of the rotating rod; the rotating groove and the longitudinal groove are arranged on the outer wall of the directional sleeve; the rotating block rotates in the rotating groove to fix the directional sleeve in the longitudinal direction and rotates into the longitudinal groove; at this time, the directional sleeve moves longitudinally on the outer wall of the clamping tube.

[0009] The utility model is further configured such that a connecting plate is installed at the bottom end of the side wall of the clamping tube, and a reset spring is installed at the top end face of the connecting plate, and the other end of the reset spring is cooperatively connected with the bottom of the directional sleeve, and the connecting plate and the reset spring provide an automatic reset function, thereby increasing the convenience of operation.

[0010] The utility model is further configured such that a vehicle body is mounted on one end of the articulated arm, and a second hydraulic cylinder is mounted on the side of the vehicle body, and the other end of the second hydraulic cylinder is cooperatively connected with the side end of the articulated arm, and the articulated arm and the second hydraulic cylinder realize flexible adjustment and precise positioning of the device.

[0011] The present invention is further configured such that one end of the adjusting ring is cooperatively connected to one end of the articulated arm, and a locking assembly is installed on the adjusting ring, which ensures the stability of the adjusting ring and prevents accidental movement.

[0012] The utility model is further configured such that one end of the connecting plate is fitted on one end face of the mounting sleeve, a fitting hole is provided on one end face of the rotating tube, multiple groups of fitting holes are provided, and the fitting holes provide multiple mounting positions, thereby increasing the adaptability of the device.

[0013] The utility model is further configured such that one end of the clamping rod and the matching hole are detachably mounted, and the other end of the clamping rod extends through the mounting sleeve and is quickly clamped together with the clamping tube. The clamping tube and the clamping rod provide a fast and stable connection function, which facilitates the installation and disassembly of the device.

[0014] The present invention is further configured such that a push handle is installed on the side of the vehicle body, and wheels are installed around the bottom end of the vehicle body. The vehicle body, the push handle and the wheels improve the mobility and the operating convenience of the device.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a seedling transplanting device with the following features:

[0017] Beneficial effects:

[0018] The utility model is provided with a seedling digging mechanism, which realizes precise angle and depth control through the adjustment ring and the first hydraulic cylinder. The design of the rotating tube and the mounting sleeve allows for quick adjustment of the digging depth. The clamping shovel design can protect the seedling root system to the maximum extent. The hydraulic system provides strong power, improves the digging efficiency, can adapt to seedlings of different sizes and root depths, and accurately controls to reduce unnecessary disturbance to the surrounding soil.

[0019] The utility model is provided with a quick clamping mechanism. The clamping rod and the clamping slot are designed to realize quick depth adjustment. The rotating plate and the clamping slot cooperate to ensure a stable connection. No professional tools are required, which reduces human errors. The rotating teeth and tooth plate design allow fine adjustment of the clamping force. The stabilizing spring provides buffering and increases operational safety. The design of multiple sets of matching holes increases the flexibility of adjustment.

[0020] The utility model is provided with a card connection auxiliary mechanism, the rotating sleeve and the rotating block are designed to realize fine position control, the rotating mechanism is designed to facilitate manual adjustment, the rotating groove and the longitudinal groove are designed to ensure that the position of the directional sleeve is fixed, and the reset spring ensures that the system automatically returns to the initial state after use, and can quickly switch between the fixed and mobile states. The auxiliary mechanism speeds up the adjustment process and improves the overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the device in the present invention when not in use;

[0022] Figure 2 This is a structural diagram of the seedling digging mechanism in the present invention;

[0023] Figure 3 Schematic diagram of the structure of the seedling digging mechanism in the present invention from different viewing angles;

[0024] Figure 4 It is a structural diagram of the quick clamping mechanism and the clamping auxiliary mechanism in the present utility model;

[0025] Figure 5 It is a schematic diagram of the internal structure of the quick clamping mechanism and the clamping auxiliary mechanism in the utility model.

[0026] In the figure: 1. Articulated arm; 2. Adjusting ring; 3. Rotating tube; 4. First hydraulic cylinder; 5. Mounting sleeve; 6. Clamping shovel; 7. Clamping tube; 8. Clamping rod; 9. Stabilizing spring; 10. Clamping groove; 11. Rotating plate; 12. Rotating gear; 13. Orienting sleeve; 14. Tooth plate; 15. Rotating sleeve; 16. Rotating rod; 17. Rotating block; 18. Rotating groove; 19. Longitudinal groove; 20. Connecting plate; 21. Return spring; 22. Vehicle body; 23. Second hydraulic cylinder; 24. Locking assembly; 25. Matching hole; 26. Push handle; 27. Wheel. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0029] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0030] See also Figure 1-Figure 5, a seedling transplanting device includes an articulated arm 1, a seedling digging mechanism, a quick clamping mechanism and a clamping auxiliary mechanism. The seedling digging mechanism includes an adjusting ring 2, a rotating tube 3, a first hydraulic cylinder 4, a mounting sleeve 5 and a clamping shovel 6. One end of the rotating tube 3 is rotatably connected with the adjusting ring 2, one end of the first hydraulic cylinder 4 is rotatably installed in the rotating tube 3, and the other end of the first hydraulic cylinder 4 is rotatably installed with the side end of the adjusting ring 2. The mounting sleeve 5 is movably sleeved on the rotating tube 3, and the mounting sleeve 5 is fixed to the rotating tube 3 by the quick clamping mechanism. The clamping shovel 6 is installed at the bottom of the mounting sleeve 5. The quick clamping mechanism includes a clamping tube 7, a clamping rod 8, and a stabilizing spring. 9, the slot 10, the rotating plate 11, the rotating tooth 12, the directional sleeve 13 and the tooth plate 14, the stabilizing spring 9 is mounted on the top of the inner wall of the card tube 7, the slot 10 is provided on the side of the card rod 8, the rotating plate 11 is rotatably mounted on the outer wall of the card tube 7, the rotating tooth 12 is mounted on one end of the rotating plate 11, the directional sleeve 13 is directionally slidably provided on the outer wall of the card tube 7, the tooth plate 14 is mounted on the inner wall of the directional sleeve 13, the tooth plate 14 drives the rotating tooth 12 to rotate, so that one end of the rotating plate 11 extends into the slot 10, so that the card rod 8 is fixed, and the rotating plate 11 is further rotated, so that the card rod 8 compresses the stabilizing spring 9, so that the rotating plate 11 is out of the slot 10.

[0031] In this embodiment, the adjusting ring 2 is connected to the articulated arm 1, the rotating tube 3 is rotatably connected to the adjusting ring 2, the angle of the rotating tube 3 relative to the adjusting ring 2 is controlled by the first hydraulic cylinder 4, the locking assembly 24 is used to fix the position of the adjusting ring 2, the mounting sleeve 5 slides on the rotating tube 3 and is fixed in the desired position by a quick clamping mechanism, and the clamping shovel 6 is installed at the bottom of the mounting sleeve 5 and moves to the appropriate depth with the mounting sleeve 5. When the fast clamping mechanism is required to be operated, the clamping shovel 6 and the rotating tube 3 can be quickly installed and disassembled. The clamping rod 8 is inserted into the clamping tube 7, the stabilizing spring 9 provides the initial pressure, the directional sleeve 13 slides, and the tooth plate 14 moves. The tooth plate 14 drives the rotating tooth 12 to rotate, so that one end of the rotating plate 11 extends into the clamping groove 10 of the clamping rod 8, and the rotating plate 11 is clamped in the clamping groove 10, fixing the position of the clamping rod 8, further rotating the rotating plate 11, compressing the stabilizing spring 9, so that the rotating plate 11 is disengaged from the clamping groove 10, and the clamping is released. The rotating sleeve 15 is directional and rotatable and is installed on the outer wall of the clamping tube 7. The rotating rod 16 is installed at the bottom of the rotating sleeve 15, and the rotating block 17 is installed at one end of the rotating rod 16. The rotating groove 18 and the longitudinal groove 19 are provided on the outer wall of the directional sleeve 13. The rotating block 17 rotates in the rotating groove 18, so that the directional sleeve 13 is fixed in the longitudinal direction and rotates to the longitudinal groove 19. At this time, the directional sleeve 13 moves longitudinally on the outer wall of the clamping tube 7 to achieve precise adjustment of the clamping position.

[0032] The clamping auxiliary mechanism includes a rotating sleeve 15, a rotating rod 16, a rotating block 17, a rotating groove 18 and a longitudinal groove 19. The rotating sleeve 15 is directional and rotatably mounted on the outer wall of the clamping tube 7. The rotating rod 16 is mounted at the bottom of the rotating sleeve 15. The rotating block 17 is mounted at one end of the rotating rod 16. The rotating groove 18 and the longitudinal groove 19 are arranged on the outer wall of the directional sleeve 13. The rotating block 17 rotates in the rotating groove 18 to fix the directional sleeve 13 in the longitudinal direction and rotates into the longitudinal groove 19. At this time, the directional sleeve 13 moves longitudinally on the outer wall of the clamping tube 7.

[0033] In this embodiment, the rotating block 17 is located in the rotating groove 18, the directional sleeve 13 is fixed longitudinally, and the rotating sleeve 15 is rotated to make the rotating block 17 enter the longitudinal groove 19. The directional sleeve 13 can move longitudinally on the outer wall of the clamping tube 7. The rotating sleeve 15 is rotated to make the rotating block 17 return to the rotating groove 18 and fix the position of the directional sleeve 13. After the operation is completed, the return spring 21 pulls the directional sleeve 13 back to its initial position.

[0034] See also Figure 1-Figure 5 As a supplementary embodiment of a seedling transplanting device for seedling digging mechanism, quick clamping mechanism and clamping auxiliary mechanism: a connecting plate 20 is installed at the bottom end of the side wall of the clamping tube 7, and a return spring 21 is installed at the top end surface of the connecting plate 20, and the other end of the return spring 21 is connected with the bottom of the directional sleeve 13, one end of the articulated arm 1 is installed with a vehicle body 22, and a second hydraulic cylinder 23 is installed on the side of the vehicle body 22, and the other end of the second hydraulic cylinder 23 is connected with the side end of the articulated arm 1, and the adjustment ring 2 is connected. One end is connected with one end of the articulated arm 1, and a locking assembly 24 is installed on the adjusting ring 2. One end of the connecting plate 20 is installed on one end surface of the mounting sleeve 5. A matching hole 25 is installed on one end surface of the rotating tube 3. There are multiple groups of matching holes 25. One end of the clamping rod 8 and the matching hole 25 are detachably installed. The other end of the clamping rod 8 extends through the mounting sleeve 5 and is quickly clamped with the clamping tube 7. A push handle 26 is installed on the side of the vehicle body 22, and wheels 27 are installed around the bottom end of the vehicle body 22.

[0035] More specifically, the operator pushes the vehicle body 22 to the working area, adjusts the angle of the articulated arm 1 by the second hydraulic cylinder 23, adjusts the position of the adjusting ring 2 by using the locking assembly 24, adjusts the angle of the rotating tube 3 relative to the adjusting ring 2 by using the first hydraulic cylinder 4, selects the appropriate matching hole 25 on the rotating tube 3, inserts one end of the clamping rod 8 into the selected matching hole 25, inserts the other end of the clamping rod 8 into the clamping tube 7, connects with the quick clamping mechanism, rotates the rotating sleeve 15, makes the rotating block 17 enter the longitudinal groove 19, slides the directional sleeve 13, releases the fixation of the directional sleeve 13 if necessary, rotates the rotating sleeve 15, makes the rotating block 17 return to the rotating groove 18, and then uses the fixed The sleeve 13 drives the tooth plate 14 to move, and the tooth plate 14 drives the rotating tooth 12 to rotate, so that the rotating plate 11 extends into the slot 10, adjusts the articulated arm 1, positions the clamping shovel 6 to the seedling position, controls the first hydraulic cylinder 4, adjusts the angle of the clamping shovel 6, presses down the articulated arm 1, inserts the clamping shovel 6 into the soil, controls the clamping shovel 6 to close, wraps the seedling and its root system, slowly lifts the articulated arm 1, lifts the seedling together with the soil, moves the vehicle body 22 to the new planting position, lowers the articulated arm 1, places the seedling into the pre-prepared planting hole, releases the clamping shovel 6, releases the seedling, if the depth needs to be adjusted, operates the quick clamping mechanism to unlock, slides the mounting sleeve 5 to the new position, and relocks it.

[0036] In summary, when the overall equipment is in use or operating: when the seedling digging mechanism needs to be operated, the adjusting ring 2 is connected to the articulated arm 1, the rotating tube 3 is rotatably connected to the adjusting ring 2, and the angle of the rotating tube 3 relative to the adjusting ring 2 is controlled by the first hydraulic cylinder 4. The locking assembly 24 is used to fix the position of the adjusting ring 2, and the mounting sleeve 5 slides on the rotating tube 3 and is fixed in the desired position by the quick clamping mechanism. The clamping shovel 6 is installed at the bottom of the mounting sleeve 5 and moves to the appropriate depth with the mounting sleeve 5.

[0037] When the operation of the fast clamping mechanism is required, the clamping shovel 6 and the rotating tube 3 can be quickly installed and disassembled, the clamping rod 8 is inserted into the clamping tube 7, the stabilizing spring 9 provides initial pressure, the directional sleeve 13 slides, and the tooth plate 14 moves, and the tooth plate 14 drives the rotating tooth 12 to rotate, so that one end of the rotating plate 11 extends into the slot 10 of the clamping rod 8, and the rotating plate 11 is clamped into the slot 10, fixing the position of the clamping rod 8, and further rotating the rotating plate 11 compresses the stabilizing spring 9, so that the rotating plate 11 is disengaged from the slot 10, and the clamping is released.

[0038] When the operation of the clamping auxiliary mechanism is required, the rotating sleeve 15 is directional and rotated to be installed on the outer wall of the clamping tube 7, the rotating rod 16 is installed at the bottom of the rotating sleeve 15, the rotating block 17 is installed at one end of the rotating rod 16, the rotating groove 18 and the longitudinal groove 19 are provided on the outer wall of the directional sleeve 13, the rotating block 17 rotates in the rotating groove 18, so that the directional sleeve 13 is fixed in the longitudinal direction, and rotates to the longitudinal groove 19. At this time, the directional sleeve 13 moves longitudinally on the outer wall of the clamping tube 7, so as to achieve precise adjustment of the clamping position. When the operation of the clamping auxiliary mechanism is required, the rotating block 17 is located in the rotating groove 18, the directional sleeve 13 is fixed in the longitudinal direction, the rotating sleeve 15 is rotated to make the rotating block 17 enter the longitudinal groove 19, and the directional sleeve 13 can move longitudinally on the outer wall of the clamping tube 7. The rotating sleeve 15 is rotated to make the rotating block 17 return to the rotating groove 18, fixing the position of the directional sleeve 13. After the operation is completed, the return spring 21 pulls the directional sleeve 13 back to the initial position.

[0039] The operator pushes the vehicle body 22 to the working area, adjusts the angle of the articulated arm 1 through the second hydraulic cylinder 23, adjusts the position of the adjusting ring 2 using the locking assembly 24, adjusts the angle of the rotating tube 3 relative to the adjusting ring 2 through the first hydraulic cylinder 4, selects the appropriate matching hole 25 on the rotating tube 3, inserts one end of the clamping rod 8 into the selected matching hole 25, inserts the other end of the clamping rod 8 into the clamping tube 7, connects with the quick clamping mechanism, rotates the rotating sleeve 15, makes the rotating block 17 enter the longitudinal groove 19, slides the directional sleeve 13, releases the fixation of the directional sleeve 13 if necessary, rotates the rotating sleeve 15, makes the rotating block 17 return to the rotating groove 18, and then uses the directional sleeve 1 3 drives the tooth plate 14 to move, and the tooth plate 14 drives the rotating teeth 12 to rotate, so that the rotating plate 11 extends into the clamping slot 10, adjusts the articulated arm 1, positions the clamping shovel 6 to the seedling position, controls the first hydraulic cylinder 4, adjusts the angle of the clamping shovel 6, presses down the articulated arm 1, inserts the clamping shovel 6 into the soil, controls the clamping shovel 6 to close, wraps the seedling and its root system, slowly lifts the articulated arm 1, lifts the seedling together with the soil, moves the vehicle body 22 to the new planting position, lowers the articulated arm 1, places the seedling into the pre-prepared planting hole, releases the clamping shovel 6, releases the seedling, and if the depth needs to be adjusted, operates the quick clamping mechanism to unlock, slides the mounting sleeve 5 to the new position, and relocks.

[0040] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A seedling transplanting device comprising an articulated arm (1), a seedling digging mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, wherein: The seedling digging mechanism comprises an adjusting ring (2), a rotating tube (3), a first hydraulic cylinder (4), a mounting sleeve (5) and a clamping shovel (6); one end of the rotating tube (3) is rotatably connected to the adjusting ring (2); one end of the first hydraulic cylinder (4) is rotatably mounted in the rotating tube (3); the other end of the first hydraulic cylinder (4) is rotatably mounted on the side end of the adjusting ring (2); the mounting sleeve (5) is movably mounted on the rotating tube (3); the clamping shovel (6) is mounted on the bottom of the mounting sleeve (5); the quick clamping mechanism comprises a clamping tube (7), a clamping rod (8), a stabilizing spring (9), a clamping groove (10), a rotating plate (11), a rotating tooth (12), a directional sleeve (13) and a tooth plate (14), wherein the stabilizing spring (9) is mounted on the top of the inner wall of the clamping tube (7), the clamping groove (10) is arranged on the side of the clamping rod (8), the rotating plate (11) is rotatably mounted on the outer wall of the clamping tube (7), the rotating tooth (12) is mounted on one end of the rotating plate (11), the directional sleeve (13) is directional and slidably arranged on the outer wall of the clamping tube (7), and the tooth plate (14) is mounted on the inner wall of the directional sleeve (13).

2. A seedling transplanting device according to claim 1, characterized in that: The clamping auxiliary mechanism comprises a rotating sleeve (15), a rotating rod (16), a rotating block (17), a rotating groove (18) and a longitudinal groove (19). The rotating sleeve (15) is directional and rotatably mounted on the outer wall of the clamping tube (7). The rotating rod (16) is mounted at the bottom of the rotating sleeve (15). The rotating block (17) is mounted at one end of the rotating rod (16). The rotating groove (18) and the longitudinal groove (19) are arranged on the outer wall of the directional sleeve (13). The rotating block (17) rotates in the rotating groove (18) to fix the directional sleeve (13) in the longitudinal direction. The directional sleeve (13) rotates into the longitudinal groove (19). At this time, the directional sleeve (13) moves longitudinally on the outer wall of the clamping tube (7).

3. The seedling transplanting device according to claim 1, characterized in that: A connecting plate (20) is installed at the bottom end of the side wall of the clamping tube (7), and a return spring (21) is installed on the top end surface of the connecting plate (20), and the other end of the return spring (21) is matched and connected with the bottom of the directional sleeve (13).

4. The seedling transplanting device according to claim 1, characterized in that: One end of the articulated arm (1) is mounted with a vehicle body (22), and a second hydraulic cylinder (23) is mounted on the side of the vehicle body (22), and the other end of the second hydraulic cylinder (23) is cooperatively connected with the side end of the articulated arm (1).

5. The seedling transplanting device according to claim 1, characterized in that: One end of the adjusting ring (2) is cooperatively connected with one end of the articulated arm (1), and a locking assembly (24) is installed on the adjusting ring (2).

6. The seedling transplanting device according to claim 3, characterized in that: One end of the connecting plate (20) is mounted on one end surface of the mounting sleeve (5), and a matching hole (25) is mounted on one end surface of the rotating tube (3). Multiple groups of matching holes (25) are mounted.

7. The seedling transplanting device according to claim 6, characterized in that: One end of the clamping rod (8) and the matching hole (25) are detachably mounted, and the other end of the clamping rod (8) extends through the mounting sleeve (5) and is quickly clamped with the clamping tube (7).

8. The seedling transplanting device according to claim 4, characterized in that: A push handle (26) is installed on the side of the vehicle body (22), and wheels (27) are installed around the bottom end of the vehicle body (22).

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