Convenient and labor-saving forestry sapling transplanting device

By designing a convenient and labor-saving forestry seedling transplanting device, the problems of high labor intensity, low efficiency, poor storage environment and insufficient stability in traditional transplanting methods are solved, and efficient, accurate transplanting and a good growth environment of seedlings are achieved, and the efficiency and quality of forestry production and landscaping are improved.

CN119605592AInactive Publication Date: 2025-03-14TANCHENG GREEN JIANLINTAO GARDEN ENGINEERING CO LTD
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Patent Information

Application Number
CN202510053905.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-03-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The traditional sapling transplanting method has high labor intensity, low efficiency, poor storage environment and insufficient stability after transplanting, resulting in unsatisfactory sapling survival rate and landscape effect.

Method used

A convenient and labor-saving forestry seedling transplanting device has been designed, including transplanting vehicles, walking wheels, seedling storage hanging boxes, push rods, conveyor racks, support guide tables, transplanting auxiliary seats and control seats, to achieve rapid and accurate transplanting of seedlings, and to provide a good storage environment and stability guarantee.

Benefits of technology

The device greatly reduces the labor intensity of forestry workers, improves transplanting efficiency and success rate, ensures the healthy state of the seedlings before transplanting, and improves the growth quality of the seedlings after transplanting through resource recycling and stable design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a convenient and labor-saving forestry sapling transplanting device, and relates to the technical field of sapling transplanting equipment, the convenient and labor-saving forestry sapling transplanting device comprises a transplanting carrier, walking wheels, a sapling storage hanging box, a push rod, a conveying frame, a bearing flow guide table, a transplanting auxiliary seat and a control and release seat; traveling wheels are rotationally mounted at the bottom of the transplanting carrier through two wheel shafts which are symmetrical front and back; a cuboid box-shaped sapling storage hanging box is fixedly hung at the tail part of the transplanting carrier, and a transplanting auxiliary seat is fixedly mounted at the head part of the transplanting carrier. Through the arrangement of the U-shaped transplanting placing notch and the guiding buffering notch of the transplanting auxiliary seat, accurate guiding and buffering are provided for planting of the nursery stock, and it is ensured that the nursery stock can be smoothly and accurately planted into the land. By means of the design, the transplanting accuracy is improved, nursery stock damage caused by misoperation is reduced, and the transplanting success rate is further increased.
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Description

Technical Field

[0001] The invention relates to the technical field of seedling transplanting equipment, and in particular to a convenient and labor-saving forestry seedling transplanting device. Background Art

[0002] In the practice of forestry production and landscaping, the transplanting of seedlings is a crucial task, which is directly related to the survival rate, growth status and final landscape effect of trees. However, the traditional method of transplanting seedlings often has many shortcomings, which brings considerable challenges to forestry workers.

[0003] Traditional transplanting methods mostly rely on manual digging, transportation and planting of seedlings, a process that is not only labor-intensive but also inefficient. Especially in complex and changeable fields, manual transplanting often cannot guarantee the transportation and planting speed of seedlings, thus affecting the overall progress of the operation. In addition, manual transplanting can easily cause seedlings to be damaged during transportation, thus affecting their survival rate.

[0004] In order to solve this problem, people began to try to use various transplanting tools and equipment to assist in the transplanting of seedlings. However, most of the existing transplanting tools have a single function and can only complete a single link such as digging or carrying seedlings, and cannot form a complete transplanting system. At the same time, these tools also have many inconveniences in design and use, such as complex operation and poor stability, which limits their wide application in forestry production and landscaping.

[0005] During the transplanting process, the storage environment of the seedlings is also an issue that cannot be ignored. The traditional storage method is often to pile the seedlings directly on the ground, which not only easily causes the roots of the seedlings to lose water and be damaged, but also makes them vulnerable to diseases and insect pests. Therefore, how to provide a storage environment with sufficient nutrients and good moisture retention for the seedlings to be transplanted is also one of the problems that need to be solved in current forestry production and landscaping.

[0006] In addition, how to ensure that the seedlings can grow firmly in the soil after transplanting is also one of the key factors affecting the success rate of transplanting. Traditional fixing methods mostly use tools such as ropes or brackets for fixing, but these methods often have problems such as loose fixation and easy loosening, thus affecting the growth and survival rate of the seedlings.

[0007] In summary, the traditional sapling transplanting method has many shortcomings in terms of labor intensity, efficiency, storage environment, and stability after transplanting. Therefore, developing a convenient and labor-saving forestry sapling transplanting device to achieve efficient and accurate transplanting of saplings while fully considering the recycling of resources and stability after transplanting is of great significance to improving the efficiency and quality of forestry production and landscaping. Summary of the invention

[0008] The invention relates to a convenient and labor-saving forestry sapling transplanting device, which can realize fast and accurate transplanting of saplings, and at the same time provide a good storage environment and stability guarantee, so as to reduce the labor intensity of forestry workers and improve the transplanting efficiency and success rate.

[0009] The present invention provides a convenient and labor-saving forestry sapling transplanting device, which specifically comprises: a transplanting carrier, walking wheels, a sapling storage hanging box, a push rod, a conveying frame, a supporting guide platform, a transplanting auxiliary seat and a control and release seat; the bottom of the transplanting carrier is rotatably installed with walking wheels through two front and rear symmetrical wheel axles; the tail of the transplanting carrier is fixedly hung with a rectangular box-shaped sapling storage hanging box, and the head of the transplanting carrier is fixedly installed with a transplanting auxiliary seat; the middle part of the transplanting carrier is longitudinally connected through the position of the transplanting auxiliary seat and the sapling storage hanging box and is fixedly installed with a supporting guide platform; conveying frames are fixedly installed on the transplanting carriers on the left and right sides of the supporting guide platform, respectively, and the conveying frames are distributed along the supporting guide platform, one end of the conveying frame extends to the sapling storage hanging box, and the other end extends to the transplanting auxiliary seat; two opposite control and release seats are symmetrically installed on the transplanting auxiliary seat; a push rod is fixedly installed on the upper back end of the sapling storage hanging box.

[0010] Optionally, a layer of nutrient solution is contained at the bottom of the inner cavity of the seedling storage hanging box, and the seedlings to be transplanted are placed in the seedling storage hanging box; The seedling storage hanging box is provided with a seedling outlet upwardly at a position close to the supporting guide platform.

[0011] Optionally, axles are provided at both ends of the conveying frame, a conveying steel belt is rotatably installed between the axles, a conveying motor is fixedly installed on the conveying frame at the axle near the seedling storage box, and the rotating shaft of the conveying motor is fixedly connected to the rotating shaft at this location through a coupling; The conveyor steel belt is annularly distributed with vertical arc-shaped clamps, and the clamps on the conveyor steel belts on the two conveyor frames are positioned opposite to each other. When the clamps are on the supporting guide platform, the two opposite clamps clamp the saplings to be transplanted and move from one end of the sapling storage hanging box to one end of the transplanting auxiliary seat.

[0012] Optionally, the end of the supporting and guide platform close to the transplanting auxiliary seat is a downward-bent right-angle arc structure, and a guide groove is provided on the upper end surface of the supporting and guide platform, which is inclined downward from one end of the transplanting auxiliary seat to one end of the seedling storage hanging box. The guide groove supports the roots of the seedlings to be transplanted and is used to recover nutrient solution from the seedling storage hanging box.

[0013] Optionally, a U-shaped transplanting slot is opened outward from the middle of the transplanting auxiliary seat, and the seedlings to be transplanted are implanted into the soil through the transplanting slot. Guide buffer slots are opened laterally at the slot edges at the left and right ends of the transplanting slot.

[0014] Optionally, a control-release guide rod is slidably provided on the control-release seat along the distribution direction of the transplant placement slots, a control-release clamping block is fixedly installed on the inner end of the control-release guide rod, the upper end of the control-release clamping block is an inclined structure, a spring is sleeved on the control-release guide rod between the control-release clamping block and the control-release seat, and directional pressing wheels are rotatably installed on the left and right ends of the control-release clamping block, and the lower end of the directional pressing wheel is always tangent to the top plane of the transplant auxiliary seat; A shift block is fixed vertically downward at the lower end of the control and release clamp block, the lower end of the shift block is a tip surface, and the left and right ends of the shift block are also blade surfaces.

[0015] The present invention provides a convenient and labor-saving forestry sapling transplanting device, which has the following beneficial effects: First, the transplanting vehicle can be flexibly moved in complex fields through the front and rear symmetrical wheels installed at the bottom, making the transportation and transplanting of saplings faster and more efficient. This design greatly reduces the labor intensity of forestry workers and improves overall work efficiency. At the same time, the setting of the sapling storage box provides a storage environment with sufficient nutrients and good moisture retention for the saplings to be transplanted, ensuring the healthy state of the saplings before transplanting, laying a solid foundation for the success of subsequent transplanting.

[0016] The ingenious design of the supporting guide platform not only supports the roots of the seedlings to be transplanted, but also realizes the recovery and recycling of nutrient solution through the guide groove. This innovative design not only saves resources, but also embodies the concept of environmental protection. During the transplanting process, the cooperation between the conveyor frame and the conveyor steel belt realizes the automatic transmission of seedlings, greatly improving the accuracy and efficiency of transplanting. The annular distribution and vertical arc design of the splint ensure the stability and safety of the seedlings during the transportation process, avoiding damage caused by shaking or collision.

[0017] The U-shaped transplanting placement slot and guide buffer slot of the transplanting auxiliary seat provide precise guidance and buffering for the transplanting of seedlings, ensuring that the seedlings can be smoothly and accurately implanted in the soil. This design not only improves the accuracy of transplanting, but also reduces the damage to seedlings caused by improper operation, further improving the success rate of transplanting.

[0018] In addition, the cooperation between the control and release clamps and the springs on the control and release seat provides a strong guarantee for the clamping and positioning of the seedlings. The inclined structural design of the control and release clamps allows the seedlings to fall smoothly into the planting area under the action of their own gravity, and effectively cut into the soil, pushing the roots of the seedlings deep into the soil, thereby enhancing the stability after transplantation. At the same time, the control and release clamps can also move the debris and soil around the planting area during the outward movement, providing more favorable conditions for the growth of seedlings. The setting of the directional pressure wheel further improves the accuracy of the clamping and positioning of the control and release clamps, providing strong support for the success of transplanting.

[0019] To sum up, the forestry seedling transplanting device of this embodiment realizes efficient and accurate transplanting of seedlings through a series of exquisite designs and innovative technical means, while fully considering the recycling of resources and the stability after transplantation, bringing significant technical effects and economic benefits to forestry production and landscaping work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0021] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0022] In the attached picture: Figure 1 A schematic diagram of the first axial view of the present invention is shown; Figure 2 A second axial structural schematic diagram of the present invention is shown; Figure 3 A third axial structural schematic diagram of the present invention is shown; Figure 4 The present invention shows Figure 3 A is a schematic diagram of the structure of the enlarged part; Figure 5 It shows a schematic diagram of the axial structure of the conveying frame and the transplanting carrier of the present invention in a state of being separated; Figure 6 It shows a schematic diagram of the axial structure of the conveying frame of the present invention in a partially removed state; Figure 7 The schematic diagram of the axial structure of the transplanting auxiliary seat and the control and release seat of the present invention is shown; Figure 8 The schematic diagram of the axial structure of the transplanting auxiliary seat and the control and release seat of the present invention in a partially separated state is shown.

[0023] Reference numerals list 1. Transplanting carrier; 2. Traveling wheels; 3. Sapling storage hanging box; 301. Seedling outlet; 4. Putting; 5. Conveying frame; 501. Conveying motor; 502. Conveying steel belt; 503. Clamp; 6. Support guide platform; 601. Guide trough; 7. Transplanting auxiliary seat; 701. Transplanting placement slot; 702. Guide buffer slot; 8. Control and release seat; 801. Control and release guide rod; 802. Control and release clamping block; 803. Spring; 804. Directional pressure wheel; 805. Dial block. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example 1: Please refer to Figures 1 to 8 : The present invention proposes a convenient and labor-saving forestry sapling transplanting device, comprising: a transplanting carrier 1, walking wheels 2, a sapling storage hanging box 3, a push rod 4, a conveying frame 5, a supporting guide platform 6, a transplanting auxiliary seat 7 and a control and release seat 8; the bottom of the transplanting carrier 1 is rotatably mounted with walking wheels 2 through two front and rear symmetrical wheel axles; the tail of the transplanting carrier 1 is fixedly mounted with a rectangular box-shaped sapling storage hanging box 3, and the head of the transplanting carrier 1 is fixedly mounted with a transplanting auxiliary seat 7; the middle of the transplanting carrier 1 A supporting guide platform 6 is fixedly installed at the position of the transplanting auxiliary seat 7 and the sapling storage box 3 through the longitudinal connection; conveying racks 5 are fixedly installed on the transplanting carrier 1 on the left and right sides of the supporting guide platform 6, and the conveying racks 5 are distributed along the supporting guide platform 6, one end of the conveying rack 5 extends to the sapling storage box 3, and the other end extends to the transplanting auxiliary seat 7; two opposite control seats 8 are symmetrically installed on the transplanting auxiliary seat 7; a push rod 4 is fixedly installed on the upper back end of the sapling storage box 3.

[0026] Among them, a layer of nutrient solution is contained at the bottom of the inner cavity of the seedling storage hanging box 3, and the seedlings to be transplanted are placed in the seedling storage hanging box 3 to provide the necessary nutrients and moisturizing environment for the seedlings to be transplanted; The seedling storage hanging box 3 is provided with a seedling outlet 301 upwardly opened at a position close to the supporting guide platform 6 .

[0027] Among them, axles are respectively provided at both ends of the conveying frame 5, and a conveying steel belt 502 is rotatably installed between the axles. A conveying motor 501 is fixedly installed on the conveying frame 5 near the axle of the sapling storage box 3, and the rotating shaft of the conveying motor 501 is fixedly connected to the rotating shaft there through a coupling; There are vertical arc-shaped clamps 503 distributed in a ring on the conveyor steel belt 502. The clamps 503 on the conveyor steel belts 502 on the two conveyor frames 5 are positioned relative to each other. When the clamps 503 are on the supporting guide platform 6, the two opposite clamps 503 clamp the saplings to be transplanted and move from one end of the sapling storage box 3 to one end of the transplanting auxiliary seat 7.

[0028] Among them, the end of the supporting guide platform 6 close to the transplanting auxiliary seat 7 is a right-angle arc structure bent downward, and a guide groove 601 is provided on the upper end surface of the supporting guide platform 6, which is inclined downward from one end of the transplanting auxiliary seat 7 to one end of the seedling storage hanging box 3. The guide groove 601 supports the roots of the seedlings to be transplanted and is used to recover the nutrient solution from the seedling storage hanging box 3. This structure not only supports the roots of the seedlings to be transplanted, but also can recover the nutrient solution attached to the roots of the seedlings through the guide groove 601 to the seedling storage hanging box 3 during the transplanting process, thereby realizing the recycling of resources.

[0029] Among them, a U-shaped transplanting slot 701 is opened outward from the middle of the transplanting auxiliary seat 7, and the seedlings to be transplanted are implanted into the soil through the transplanting slot 701. Guide buffer slots 702 are opened horizontally at the groove edges at the left and right ends of the transplanting slot 701.

[0030] Embodiment 2, on the basis of embodiment 1, a control and release guide rod 801 is slidably provided on the control and release seat 8 along the distribution direction of the transplanting placement slot 701, a control and release clamping block 802 is fixedly installed on the inner end of the control and release guide rod 801, the upper end of the control and release clamping block 802 is an inclined structure, a spring 803 is sleeved on the control and release guide rod 801 between the control and release clamping block 802 and the control and release seat 8, and directional pressing wheels 804 are rotatably installed on the left and right ends of the control and release clamping block 802, and the lower end of the directional pressing wheel 804 is always tangent to the top plane of the transplanting auxiliary seat 7; A shift block 805 is fixed vertically downward at the lower end of the control and release clamping block 802. The lower end of the shift block 805 is a tip surface, and the left and right ends of the shift block 805 are also blade surfaces.

[0031] The working principle of this embodiment: The transplanting vehicle 1 can be flexibly moved in the field through the front and rear symmetrical running wheels 2 installed at the bottom, so as to facilitate the transfer of saplings from one place to another for transplanting. At the tail of the transplanting vehicle 1, a rectangular box-shaped sapling storage hanging box 3 is fixedly mounted, and a layer of nutrient solution is contained at the bottom of the inner cavity of the hanging box to provide the necessary nutrients and moisturizing environment for the saplings to be transplanted. The saplings are neatly placed in the sapling storage hanging box 3, waiting to be transplanted.

[0032] When it is necessary to transplant the seedlings, the transplanting carrier 1 is moved to the target position. At this time, the transplanting auxiliary seat 7 located at the head of the transplanting carrier 1 and the supporting guide platform 6 in the middle begin to play a role. The design of the supporting guide platform 6 is ingenious, and its end close to the transplanting auxiliary seat 7 is a right-angle arc structure that bends downward, and a guide groove 601 is also provided on the upper end surface, which is inclined downward from one end of the transplanting auxiliary seat 7 to one end of the seedling storage hanging box 3. This structure not only supports the roots of the seedlings to be transplanted, but also can recycle the nutrient solution attached to the roots of the seedlings through the guide groove 601 to the seedling storage hanging box 3 during the transplanting process, thereby realizing the recycling of resources.

[0033] During the transplanting process, the saplings are transported by the conveyor steel belt 502 on the conveyor frame 5. The conveyor steel belt 502 is provided with vertical arc-shaped clamping plates 503 in an annular manner. These clamping plates 503, driven by the conveying motor 501, clamp the saplings from the seedling outlet 301 of the sapling storage hanging box 3 and move along the supporting guide platform 6 to one end of the transplanting auxiliary seat 7. The design of the clamping plates 503 ensures the stability and safety of the saplings during the transportation process.

[0034] When the seedlings are transported to the transplanting auxiliary seat 7, the transplanting process enters a critical stage. A U-shaped transplanting placement slot 701 is opened outward from the middle of the transplanting auxiliary seat 7, and the seedlings to be transplanted are implanted into the soil from the slot. In order to ensure that the seedlings can be implanted smoothly and accurately into the soil, guide buffer slots 702 are respectively opened horizontally at the groove edges at the left and right ends of the transplanting placement slot 701, which provide additional guide and buffer space for the implantation of the seedlings.

[0035] At the same time, the control and release clamping block 802 on the control and release seat 8 clamps and positions the seedlings under the action of the spring 803. The upper end of the control and release clamping block 802 is a slope structure, which squeezes the control and release clamping block 802 outward under the weight of the seedlings themselves, and the seedlings fall between the control and release clamping blocks 802. During the outward movement, the control and release clamping block 802 can move the debris and soil around the planting area to provide a gentle condition for the planting area. This design allows the seedlings to be effectively cut into the soil when they are planted in the land and push the roots of the seedlings deep into the soil, ensuring the stability of the transplant. The directional pressure wheel 804 is always tangent to the top plane of the transplanting auxiliary seat 7, providing additional stability and accuracy for the clamping and positioning of the control and release clamping block 802.

[0036] In this article, there are a few points to note: 1. The drawings of the embodiments of the present invention only involve structures related to the embodiments of the present invention, and other structures can refer to the general design.

[0037] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0038] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A convenient and labor-saving forestry seedling transplanting device, comprising: A transplanting carrier (1), a walking wheel (2), a sapling storage hanging box (3), a push rod (4), a conveying frame (5), a supporting guide platform (6), a transplanting auxiliary seat (7) and a control and release seat (8); the bottom of the transplanting carrier (1) is rotatably mounted with the walking wheel (2) via two front and rear symmetrical wheel axles; the character is that the rear of the transplanting carrier (1) is fixedly mounted with a rectangular box-shaped sapling storage hanging box (3), and the head of the transplanting carrier (1) is fixedly mounted with a transplanting auxiliary seat (7); the middle of the transplanting carrier (1) is longitudinally connected via a transplanting auxiliary seat (8) A supporting guide platform (6) is fixedly installed at the position of the seat (7) and the sapling storage hanging box (3); a conveying frame (5) is fixedly installed on the transplanting carrier (1) on the left and right sides of the supporting guide platform (6), and the conveying frame (5) is distributed along the supporting guide platform (6), one end of the conveying frame (5) extends to the sapling storage hanging box (3), and the other end extends to the transplanting auxiliary seat (7); two control and release seats (8) opposite to each other are symmetrically installed on the left and right sides of the transplanting auxiliary seat (7); and a push rod (4) is fixedly installed on the upper end of the back of the sapling storage hanging box (3).

2. A convenient and labor-saving forestry seedling transplanting device according to claim 1, characterized in that: The bottom of the inner cavity of the seedling storage hanging box (3) is filled with a layer of nutrient solution, and the seedlings to be transplanted are placed in the seedling storage hanging box (3); The seedling storage hanging box (3) is provided with a seedling outlet (301) upwardly opened at a position close to the supporting guide platform (6).

3. The convenient and labor-saving forestry seedling transplanting device according to claim 1 is characterized in that: Wheel axles are respectively provided at both ends of the conveying frame (5), and a conveying steel belt (502) is rotatably installed between the wheel axles. A conveying motor (501) is fixedly installed on the conveying frame (5) at the wheel axle close to the sapling storage hanging box (3), and the rotating shaft of the conveying motor (501) is fixedly connected to the rotating shaft at this location via a coupling.

4. A convenient and labor-saving forestry seedling transplanting device according to claim 3, characterized in that: The conveyor steel belt (502) is provided with vertical arc-shaped clamping plates (503) distributed in an annular manner. The clamping plates (503) on the conveyor steel belts (502) on the two conveyor frames (5) are located opposite to each other. When the clamping plates (503) are located on the supporting guide platform (6), the two opposite clamping plates (503) clamp the seedlings to be transplanted and move from one end of the seedling storage hanging box (3) to one end of the transplanting auxiliary seat (7).

5. The convenient and labor-saving forestry seedling transplanting device according to claim 1 is characterized in that: One end of the supporting guide platform (6) close to the transplanting auxiliary seat (7) is a right-angled arc structure that bends downward. A guide groove (601) is provided on the upper end surface of the supporting guide platform (6) and is inclined downward from one end of the transplanting auxiliary seat (7) to one end of the seedling storage hanging box (3). The guide groove (601) supports the roots of the seedlings to be transplanted and is used to recover nutrient solution from the seedling storage hanging box (3).

6. The convenient and labor-saving forestry seedling transplanting device according to claim 1 is characterized in that: A U-shaped transplanting placement slot (701) is opened outwardly from the middle of the transplanting auxiliary seat (7), and the seedlings to be transplanted are planted into the soil through the transplanting placement slot (701). The groove edges at the left and right ends of the transplanting placement slot (701) are respectively opened transversely with guide buffer slots (702).

7. A convenient and labor-saving forestry seedling transplanting device according to claim 6, characterized in that: A control and release guide rod (801) is slidably provided on the control and release seat (8) along the distribution direction of the transplant placement slots (701); a control and release clamping block (802) is fixedly installed on the inner end of the control and release guide rod (801); the upper end of the control and release clamping block (802) is an inclined surface structure; a spring (803) is sleeved on the control and release guide rod (801) between the control and release clamping block (802) and the control and release seat (8); and directional pressing wheels (804) are rotatably installed on the left and right ends of the control and release clamping block (802), and the lower end of the directional pressing wheel (804) is always tangent to the top plane of the transplant auxiliary seat (7).

8. The convenient and labor-saving forestry seedling transplanting device according to claim 7 is characterized in that: A shift block (805) is fixed vertically downward at the lower end of the control and release clamp block (802), the lower end of the shift block (805) is a tip surface, and the left and right ends of the shift block (805) are also blade surfaces.