Single-tube self-expanding filling and planting device and construction method

Abstract

The application discloses a single-pipe self-expanding filling and planting device and a construction method, which comprises a telescopic expansion nail arranged in a zigzag hole, wherein the top of the telescopic expansion nail is connected with the bottom of a planting block; the planting block comprises a planting layer and an upper water bag arranged in sequence from top to bottom; a hollow sleeve is vertically arranged in the planting layer and the upper water bag; the bottom of the hollow sleeve sequentially penetrates a cutter wheel limiting mechanism and a lower water bag and is connected with the top of the telescopic expansion nail; a water-permeable hole is arranged at the position where the hollow sleeve contacts with the lower water bag; and the top of the hollow sleeve is connected with a rotating puncturing mechanism; when the small zigzag hole on the side slope is filled, the application greatly simplifies the process and construction steps of repairing the small zigzag hole, and reduces the required manpower and material resources cost.

Description

Technical Field

[0001] This invention relates to the field of slope ecological management technology, specifically to a single-tube self-expanding filling vegetation device and its construction method. Background Technology

[0002] Due to extensive construction projects, including highways, mines, and hydropower projects, slopes have been extensively excavated, disrupting their original ecosystems and damaging the slope rock mass. Furthermore, geological processes such as karstification and weathering have resulted in various joints and cavities within the slope rock mass. These winding, small cavities not only compromise the slope's integrity and aesthetics but also impact the stability of the surrounding rock in slopes, tunnels, and other related engineering projects.

[0003] Water-swellable rubber (i.e., water-swellable rubber) can absorb water and swell when it comes into contact with water. Its expansion degree can reach hundreds of times, and it still retains elasticity and strength after expansion, playing a role in filling pores.

[0004] When filling small, winding holes on slopes, conventional methods are often cumbersome and consume a lot of manpower and resources. At the same time, it is difficult to quickly and efficiently repair and green the slopes that are difficult to irrigate, especially when the holes have narrow openings, large internal cavities, and complex twists and turns. Summary of the Invention

[0005] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a single-tube self-expanding filling planting device and construction method to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a single-tube self-expanding filling planting device, comprising a telescopic expansion nail disposed in a tortuous hole, the top of the telescopic expansion nail being connected to the bottom of the planting block, the planting block comprising a planting layer and an upper water bag arranged sequentially from top to bottom, a hollow sleeve vertically inserted inside the planting layer and the upper water bag, the bottom of the hollow sleeve sequentially passing through a cutter wheel limiting mechanism and a lower water bag and being connected to the top of the telescopic expansion nail, a water-permeable hole being opened at the position where the hollow sleeve contacts the lower water bag, and the top of the hollow sleeve being connected to a rotating puncture mechanism.

[0007] Preferably, the telescopic expansion nail is a telescopic corrugated pipe structure made of biodegradable plastic, the inner wall of the telescopic expansion nail is filled with water-swellable rubber material, and the bottom of the telescopic expansion nail is provided with a hard nail head.

[0008] Preferably, when the telescopic expansion pin is inserted into the tortuous hole, the top of the telescopic expansion pin engages with the extension rod.

[0009] Preferably, the cutter wheel limiting mechanism includes a fixed plate that contacts the lower water bag. The fixed plate has a through hole at its center that is rotatably connected to the outer wall of the hollow sleeve. Multiple connecting rods are uniformly and horizontally fixed on the outer surface of the hollow sleeve. The ends of the connecting rods are hinged to the head of the curved blade through a rotating shaft. An outer peripheral limiting post is vertically fixed in the fixed plate area corresponding to the tail of the curved blade, and an inner peripheral limiting post is vertically fixed in the fixed plate area corresponding to the connecting rod.

[0010] Preferably, both the upper and lower water bags are annular water bag structures, with the inner ring at the center used to insert a hollow sleeve.

[0011] Preferably, the inner ring wall of the lower water bag has a water passage hole, which is matched with the water permeable hole on the surface of the hollow sleeve.

[0012] Preferably, the rotating puncture mechanism includes an upper rotating shaft connected to the top of the hollow sleeve, the upper rotating shaft being rotatably connected to the center of the pressure plate, and a long nail being provided at the bottom of the pressure plate.

[0013] In addition, the present invention also discloses a construction method for the above-mentioned single-tube self-expanding filling vegetation device, which includes the following steps:

[0014] S1: Insert the extension rod into the top of the telescopic expansion nail, insert the hard nail head at the bottom of the telescopic expansion nail into the bottom of the curved hole to fix it, then pull the extension rod to lengthen the telescopic expansion nail until the top of the telescopic expansion nail is close to the hole. After that, remove the extension rod.

[0015] S2: Remove a small amount of soil from the outer edge of the winding hole to create an opening large enough to accommodate the size of the plant block. Then insert the bottom of the hollow sleeve in the plant block into the opening at the top of the telescopic expansion nail.

[0016] S3: Press the rotating puncture mechanism onto the top of the hollow sleeve, and then rotate the upper shaft of the rotating puncture mechanism by a certain angle; the pressing process causes the long nail to puncture the upper water bag, and the rotation of the upper shaft causes the cutter wheel limiting mechanism to be fixed at the outer edge of the opening.

[0017] S4: After the upper shaft rotates at a certain angle, the water-permeable holes on the surface of the hollow sleeve coincide with the water-passing holes opened on the inner ring wall of the lower water bag. Water flows from the lower water bag into the hollow sleeve through the water-passing holes and water-permeable holes, and then flows into the telescopic expansion nail below. It is then absorbed by the water-swellable rubber material filled in the inner wall of the telescopic expansion nail, which reacts and expands, causing the entire telescopic expansion nail to expand and fill the entire tortuous hole.

[0018] S5: Remove the rotating puncture mechanism, and the long nail will detach from the puncture point of the upper water bag, allowing the water in the upper water bag to flow into the vegetation layer through the puncture.

[0019] Furthermore, in step S3, the specific process by which the rotation of the upper shaft fixes the cutter wheel limiting mechanism at the outer edge of the opening is as follows:

[0020] S31. When the upper shaft rotates, it drives the hollow sleeve to rotate together, causing the connecting rod to rotate, which in turn drives the curved blade to make a circular motion.

[0021] S32. When the tail of the curved blade contacts the outer peripheral limiting post, the curved blade will continue to make circular motion, causing the curved blade itself to rotate, and the tail of the curved blade will rotate outward and insert horizontally into the soil.

[0022] S33. When the connecting rod rotates to contact the inner peripheral limit post, the rotation of the connecting rod is blocked, the curved blade stops making circular motion, the position of the curved blade is fixed, and thus the blade wheel limit mechanism is fixed at the outer edge of the opening, and finally the position of the entire vegetation block is fixed.

[0023] The beneficial effects of this invention are as follows:

[0024] 1. The telescopic expansion nail of the present invention, which has a corrugated tube structure, can be stretched and bent as needed, which facilitates construction. The water-swellable rubber material can expand and fill the small tortuous holes after absorbing water.

[0025] 2. The extension rod of the present invention can conveniently and quickly insert the telescopic expansion nail into the curved hole, then pull the entire telescopic expansion nail to extend it until the top of the telescopic expansion nail is close to the hole opening, and finally remove the extension rod from the top of the telescopic expansion nail. The above operation process can achieve the purpose of quickly filling the entire curved hole with telescopic expansion nails.

[0026] 3. When the cutter wheel limiting mechanism of the present invention is working, the upper rotating shaft can drive the hollow sleeve to rotate together, causing the connecting rod to rotate, which in turn drives the curved blade to make a circular motion. When the tail of the curved blade contacts the outer peripheral limiting post, the curved blade continues to make a circular motion, causing the curved blade itself to rotate, and the tail of the curved blade rotates outward and inserts laterally into the soil. When the connecting rod rotates to contact the inner peripheral limiting post, the rotation of the connecting rod is blocked, the curved blade stops making a circular motion, the position of the curved blade is fixed, and thus the cutter wheel limiting mechanism is fixed at the outer edge of the hole, and finally the position of the entire vegetation block is fixed.

[0027] 4. The rotating puncture mechanism of the present invention has two functions: first, the pressing process causes the long nail to puncture the upper water bag, and after being pulled out, it facilitates the water in the upper water bag to flow into the vegetation layer through the puncture opening; second, the rotation of the upper shaft fixes the cutter wheel limiting mechanism at the outer edge of the opening.

[0028] 5. Before the hollow sleeve of the present invention is rotated, the water passage hole and the water permeable hole are offset from each other, so the water in the lower water bag will basically not leak out. When the hollow sleeve is rotated at a certain angle, the water passage hole and the water permeable hole coincide, so that the water in the lower water bag enters the hollow sleeve through the water passage hole and the water permeable hole, and then flows into the telescopic expansion nail below. Then it is absorbed by the water-swellable rubber material filled in the inner wall of the telescopic expansion nail, thereby reacting and expanding, so that the entire telescopic expansion nail expands and fills the entire tortuous hole.

[0029] 6. When filling small, tortuous holes on slopes, this invention greatly simplifies the process and construction steps for repairing such holes, reducing the required manpower and material costs. For slopes with steep gradients and inconvenient water diversion, construction can be carried out quickly and efficiently by simply installing the components step by step, followed by greening. This invention is particularly effective when repairing holes with narrow openings, large internal cavities, and complex tortuous structures. Attached Figure Description

[0030] Figure 1 A three-dimensional structural diagram of a single-tube self-expanding filling vegetation device;

[0031] Figure 2 for Figure 1 Internal structure diagram;

[0032] Figure 3 for Figure 1 A three-dimensional structural diagram after the rotating puncture mechanism is installed;

[0033] Figure 4 for Figure 3 Internal structure diagram;

[0034] Figure 5 This is a three-dimensional structural diagram of a telescopic expansion bolt;

[0035] Figure 6 A three-dimensional structural diagram of the rotating puncture mechanism;

[0036] Figure 7 This is a top view schematic diagram of the cutter wheel limiting mechanism;

[0037] Figure 8 for Figure 7 A schematic diagram of the structure after the curved blade rotates outward;

[0038] Figure 9 This is a schematic diagram of the structure of the tortuous hole;

[0039] Figure 10 A schematic diagram of the structure for installing telescopic expansion pins into a curved hole for extending the rod;

[0040] Figure 11A schematic diagram of the structure after the planting block is installed on top of the telescopic expansion nail;

[0041] Figure 12 A schematic diagram of the structure for installing the rotating puncturing mechanism on top of the vegetation block;

[0042] Figure 13 A schematic diagram of the structure after the rotating puncture mechanism is removed from the top of the plant block. Detailed Implementation

[0043] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0044] like Figures 1 to 13 As shown, a single-tube self-expanding filling planting device includes a telescopic expansion nail 2 disposed in a tortuous hole 1. The top of the telescopic expansion nail 2 is connected to the bottom of the planting block 4. The planting block 4 includes a planting layer 4.1 and an upper water bag 4.2 arranged sequentially from top to bottom. A hollow sleeve 4.3 is vertically inserted inside the planting layer 4.1 and the upper water bag 4.2. The bottom of the hollow sleeve 4.3 passes through a cutter wheel limiting mechanism 5 and a lower water bag 6 in sequence and is connected to the top of the telescopic expansion nail 2. A water-permeable hole 4.3.1 is opened at the position where the hollow sleeve 4.3 contacts the lower water bag 6. The top of the hollow sleeve 4.3 is connected to a rotating puncture mechanism 7.

[0045] Preferably, the telescopic expansion nail 2 is a telescopic corrugated tube structure made of biodegradable plastic. The inner wall of the telescopic expansion nail 2 is filled with water-swellable rubber material, and the bottom of the telescopic expansion nail 2 is provided with a rigid nail head 2.1. This telescopic expansion nail 2 with a corrugated tube structure can be stretched and bent as needed, which is convenient for construction. The water-swellable rubber material can expand after absorbing water and fill the small tortuous holes. The rigid nail head 2.1 can be easily inserted into the bottom of the tortuous hole 1, which is conducive to fixing the entire telescopic expansion nail 2.

[0046] Preferably, when the telescopic expansion pin 2 is inserted into the tortuous hole 1, the top of the telescopic expansion pin 2 engages with the extension rod 3. The extension rod 3 allows for easy and quick insertion of the telescopic expansion pin 2 into the tortuous hole 1, followed by pulling the entire telescopic expansion pin 2 to extend it until the top of the telescopic expansion pin 2 is close to the opening of the hole. Finally, the extension rod 3 can be removed from the top of the telescopic expansion pin 2. The above operation process enables the telescopic expansion pin 2 to quickly fill the entire tortuous hole 1.

[0047] Preferably, the cutter wheel limiting mechanism 5 includes a fixed plate 5.1 that contacts the lower water bag 6. The fixed plate 5.1 has a through hole at its center that is rotatably connected to the outer wall of the hollow sleeve 4.3. Multiple connecting rods 5.2 are evenly and horizontally fixed on the outer surface of the hollow sleeve 4.3. The ends of the connecting rods 5.2 are hinged to the head of the curved blade 5.4 through a rotating shaft 5.3. An outer peripheral limiting post 5.5 is vertically fixed in the area of ​​the fixed plate 5.1 corresponding to the tail of the curved blade 5.4, and an inner peripheral limiting post 5.6 is vertically fixed in the area of ​​the fixed plate 5.1 corresponding to the connecting rod 5.2. In this embodiment, when the upper shaft 7.1 rotates, it drives the hollow sleeve 4.3 to rotate as well, causing the connecting rod 5.2 to rotate, which in turn drives the curved blade 5.4 to perform a circular motion. When the tail of the curved blade 5.4 contacts the outer peripheral limiting post 5.5, the curved blade 5.4 continues to perform a circular motion, causing the curved blade 5.4 to rotate on its own, and the tail of the curved blade 5.4 rotates outward and inserts laterally into the soil. When the connecting rod 5.2 rotates to contact the inner peripheral limiting post 5.6, the rotation of the connecting rod 5.2 is blocked, the curved blade 5.4 stops performing a circular motion, and the position of the curved blade 5.4 is fixed, thereby fixing the blade wheel limiting mechanism 5 at the outer edge of the opening, and finally fixing the position of the entire vegetation block 4.

[0048] Preferably, both the upper water bag 4.2 and the lower water bag 6 are annular water bag structures, with the inner ring at the center used to insert the hollow sleeve 4.3.

[0049] Preferably, the inner ring wall of the lower water bag 6 has a water passage hole 6.1, which mates with the water permeability hole 4.3.1 on the surface of the hollow sleeve 4.3. More preferably, the inner ring wall of the lower water bag 6 can be made of a hard rubber ring material, which facilitates its inner ring to fit the outer surface of the hollow sleeve 4.3 and also provides a certain degree of sealing. In this embodiment, before the hollow sleeve 4.3 is rotated, the water passage hole 6.1 and the water permeability hole 4.3.1 are offset from each other, so the water in the lower water bag 6 will basically not leak out. When the hollow sleeve 4.3 is rotated at a certain angle, the water passage hole 6.1 and the water permeability hole 4.3.1 coincide, so that the water in the lower water bag 6 enters the hollow sleeve 4.3 through the water passage hole 6.1 and the water permeability hole 4.3.1.

[0050] Preferably, the rotating puncture mechanism 7 includes an upper rotating shaft 7.1 connected to the top of the hollow sleeve 4.3. The upper rotating shaft 7.1 is rotatably connected to the center of the pressure plate 7.2, and the bottom of the pressure plate 7.2 is provided with a long nail 7.3. In this embodiment, the rotating puncture mechanism 7 has two functions: first, the pressing process causes the long nail 7.3 to puncture the upper water bag 4.2, and after being pulled out, it facilitates the flow of water in the upper water bag 4.2 into the vegetation layer 4.1 through the puncture opening; second, the rotation of the upper rotating shaft 7.1 fixes the cutter wheel limiting mechanism 5 at the outer edge of the opening. In addition, in this embodiment, the upper rotating shaft 7.1 can be rotatably connected to the center of the pressure plate 7.2 through a bearing.

[0051] In addition, the present invention also discloses a construction method for the above-mentioned single-tube self-expanding filling vegetation device, which includes the following steps:

[0052] S1: As Figure 10 As shown, insert the extension rod 3 into the top of the telescopic expansion nail 2, insert the hard nail head 2.1 at the bottom of the telescopic expansion nail 2 into the bottom of the curved hole 1 to fix it, and then pull the extension rod 3 to lengthen the telescopic expansion nail 2 until the top of the telescopic expansion nail 2 is close to the hole. After completion, remove the extension rod 3.

[0053] S2: As Figure 11 As shown, a small amount of soil is removed from the outer edge of the opening of the tortuous hole 1 to form an opening large enough to accommodate the size of the plant block 4. Then, the bottom of the hollow sleeve 4.3 in the plant block 4 is inserted into the top opening of the telescopic expansion nail 2.

[0054] S3: As Figure 12 As shown, the rotating puncture mechanism 7 is pressed and installed onto the top of the hollow sleeve 4.3, and then the upper rotating shaft 7.1 of the rotating puncture mechanism 7 is rotated at a certain angle; the pressing process causes the long nail 7.3 to puncture the upper water bag 4.2, and the rotation of the upper rotating shaft 7.1 causes the cutter wheel limiting mechanism 5 to be fixed at the outer edge of the opening.

[0055] S4: After the upper shaft 7.1 rotates a certain angle, the water-permeable hole 4.3.1 on the surface of the hollow sleeve 4.3 coincides with the water-passing hole 6.1 opened on the inner ring wall of the lower water bag 6. Water flows from the lower water bag 6 into the hollow sleeve 4.3 along the water-passing hole 6.1 and the water-permeable hole 4.3.1, and then flows into the lower telescopic expansion nail 2. It is then absorbed by the water-swellable rubber material filled in the inner wall of the telescopic expansion nail 2, thereby reacting and expanding, causing the entire telescopic expansion nail 2 to expand and fill the entire tortuous hole 1.

[0056] S5: As Figure 13 As shown, when the rotating puncture mechanism 7 is removed, the long nail 7.3 detaches from the puncture position of the upper water bag 4.2, and the water in the upper water bag 4.2 flows into the vegetation layer 4.1 through the puncture opening, thus providing the water needed for the growth of the plant seeds.

[0057] Furthermore, in step S3, the specific process by which the rotation of the upper rotating shaft 7.1 fixes the cutter wheel limiting mechanism 5 at the outer edge of the opening is as follows:

[0058] S31. When the upper shaft 7.1 rotates, it drives the hollow sleeve 4.3 to rotate together, causing the connecting rod 5.2 to rotate, which in turn drives the curved blade 5.4 to make a circular motion.

[0059] S32. When the tail of the curved blade 5.4 contacts the outer peripheral limiting post 5.5, the curved blade 5.4 continues to make circular motion, which will cause the curved blade 5.4 to rotate itself, and the tail of the curved blade 5.4 will rotate outward and be inserted into the soil laterally.

[0060] S33. When the connecting rod 5.2 rotates to contact the inner peripheral limiting post 5.6, the rotation of the connecting rod 5.2 is blocked, the curved blade 5.4 stops making circular motion, the position of the curved blade 5.4 is fixed, and thus the blade wheel limiting mechanism 5 is fixed at the outer edge of the opening, and finally the position of the entire planting block 4 is fixed.

[0061] The above embodiments are merely preferred technical solutions of the present invention and should not be considered as limitations on the present invention. The embodiments and features described in these embodiments can be arbitrarily combined without conflict. The scope of protection of the present invention should be limited to the technical solutions described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the scope of protection of the present invention.

Claims

1. A single-tube self-expanding filling planting device, comprising a telescopic expansion nail (2) disposed within a tortuous hole (1), wherein the top of the telescopic expansion nail (2) is connected to the bottom of the planting block (4), characterized in that: The planting block (4) includes a planting layer (4.1) and an upper water bag (4.2) arranged sequentially from top to bottom. A hollow sleeve (4.3) is vertically inserted inside the planting layer (4.1) and the upper water bag (4.2). The bottom of the hollow sleeve (4.3) passes through the cutter wheel limiting mechanism (5) and the lower water bag (6) in sequence and is connected to the top of the telescopic expansion nail (2). A water-permeable hole (4.3.1) is opened at the position where the hollow sleeve (4.3) contacts the lower water bag (6). The top of the hollow sleeve (4.3) is connected to the rotating puncture mechanism (7). The telescopic expansion nail (2) is a telescopic corrugated pipe structure made of biodegradable plastic. The inner wall of the telescopic expansion nail (2) is filled with water-swellable rubber material. A hard nail head (2.1) is provided at the bottom of the telescopic expansion nail (2). The cutter wheel limiting mechanism (5) includes a fixed plate (5.1) that contacts the lower water bag (6). A hole is opened at the center of the fixed plate (5.1) that is connected to the lower water bag (6). The hollow sleeve (4.3) has a through hole rotatably connected to its outer wall. Multiple connecting rods (5.2) are uniformly and horizontally fixed on the outer surface of the hollow sleeve (4.3). The ends of the connecting rods (5.2) are hinged to the head of the curved blade (5.4) via a rotating shaft (5.3). An outer peripheral limiting post (5.5) is vertically fixed in the area of ​​the fixed plate (5.1) corresponding to the tail of the curved blade (5.4). An inner peripheral limiting post (5.5) is vertically fixed in the area of ​​the fixed plate (5.1) corresponding to the connecting rod (5.2). Limiting post (5.6); the inner ring wall of the lower water bag (6) is provided with a water passage hole (6.1), the water passage hole (6.1) is matched with the water permeable hole (4.3.1) on the surface of the hollow sleeve (4.3); the rotating puncture mechanism (7) includes an upper rotating shaft (7.1) connected to the top of the hollow sleeve (4.3), the upper rotating shaft (7.1) is rotatably connected to the center of the pressure plate (7.2), and the bottom of the pressure plate (7.2) is provided with a long nail (7.3).

2. The single-tube self-expanding filling and planting device according to claim 1, characterized in that: When the telescopic expansion pin (2) is inserted into the tortuous hole (1), the top of the telescopic expansion pin (2) engages with the extension rod (3).

3. The single-tube self-expanding filling and planting device according to claim 1, characterized in that: The upper water bag (4.2) and the lower water bag (6) are both annular water bag structures, with the inner ring at the center used to insert a hollow sleeve (4.3).

4. A construction method for the single-tube self-expanding filling vegetation device according to any one of claims 1 to 3, characterized in that: It includes the following steps: S1: Insert the extension rod (3) into the top of the telescopic expansion nail (2), insert the hard nail head (2.1) at the bottom of the telescopic expansion nail (2) into the bottom of the curved hole (1) to fix it, then pull the extension rod (3) to lengthen the telescopic expansion nail (2) until the top of the telescopic expansion nail (2) is close to the opening, and then remove the extension rod (3). S2: Remove a small amount of soil from the outer edge of the opening of the tortuous hole (1) to form an opening large enough to accommodate the size of the plant block (4). Then insert the bottom of the hollow sleeve (4.3) in the plant block (4) into the top opening of the telescopic expansion nail (2). S3: Press the rotating puncture mechanism (7) onto the top of the hollow sleeve (4.3), and then rotate the upper shaft (7.1) of the rotating puncture mechanism (7) by a certain angle; wherein the pressing process causes the long nail (7.3) to puncture the upper water bag (4.2), and the rotation of the upper shaft (7.1) causes the cutter wheel limiting mechanism (5) to be fixed at the outer edge of the opening; S4: After the upper shaft (7.1) rotates at a certain angle, the water-permeable hole (4.3.1) on the surface of the hollow sleeve (4.3) coincides with the water-passing hole (6.1) opened on the inner ring wall of the lower water bag (6). The water flows from the lower water bag (6) through the water-passing hole (6.1) and the water-permeable hole (4.3.1) into the hollow sleeve (4.3), and then flows into the telescopic expansion nail (2) below. It is then absorbed by the water-swellable rubber material filled in the inner wall of the telescopic expansion nail (2), and thus reacts and expands, causing the entire telescopic expansion nail (2) to expand and fill the entire tortuous hole (1). S5: Remove the rotating puncture mechanism (7), the long nail (7.3) detaches from the puncture position of the upper water bag (4.2), and the water in the upper water bag (4.2) flows into the vegetation layer (4.1) through the puncture.

5. The construction method of the single-tube self-expanding filling vegetation device according to claim 4, characterized in that: In step S3, the specific process by which the rotation of the upper shaft (7.1) fixes the cutter wheel limiting mechanism (5) at the outer edge of the opening is as follows: S31. When the upper shaft (7.1) rotates, it drives the hollow sleeve (4.3) to rotate together, causing the connecting rod (5.2) to rotate, which in turn drives the curved blade (5.4) to make a circular motion. S32. When the tail of the curved blade (5.4) contacts the outer peripheral limiting post (5.5), the curved blade (5.4) continues to make circular motion, which will cause the curved blade (5.4) itself to rotate, and the tail of the curved blade (5.4) rotates outward and inserts laterally into the soil. S33. When the connecting rod (5.2) rotates to contact the inner peripheral limit post (5.6), the rotation of the connecting rod (5.2) is blocked, the curved blade (5.4) stops making circular motion, the position of the curved blade (5.4) is fixed, and thus the blade wheel limit mechanism (5) is fixed at the outer edge of the opening, and finally the position of the entire plant block (4) is fixed.

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