A planting device for attitude control and orientation of submerged plants.

Abstract

This invention discloses a planting device for controlling and orienting the posture of submerged plants, comprising a seedling board, a floating board, and a telescopic tube; the surface of the floating board has a series of evenly arranged planting holes; the floating board floats on the water surface, and the telescopic tube sinks and unfolds naturally under the influence of gravity, stopping after contacting the bottom mud; the submerged plant falls into the planting holes by disassembling the seedling board, and the submerged plant falls into the bottom mud along the telescopic tube for planting; this invention overcomes the technical difficulties of substrate breakage and plant posture control during the planting process of submerged plants, significantly improving planting efficiency and effectiveness.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water body ecological restoration and submerged plant planting, and particularly relates to a planting device for posture control and directional planting of submerged plants. BACKGROUND

[0002] Submerged plants play a crucial role in water body ecosystems, as they can absorb nutrients from the water, suppress algal growth, improve water transparency, and provide habitats and food sources for aquatic organisms. Therefore, how to achieve efficient and rapid planting of submerged plants has become a key problem that needs to be solved. In terms of the current main direct throwing planting method, there are many difficulties.

[0003] In the traditional method of throwing planting by wrapping the roots of submerged plants with clay or soft mud, the clay or soft mud is prone to loose and break, making it difficult for submerged plants to grow in the right place. The patent CN104206161B provides a method for planting submerged plants and a pot fragment model device, which uses agar to wrap the roots of submerged plants for throwing planting, solving the problem of loose and broken clay or soft mud in the process of planting submerged plants. However, during the throwing process, the agar is also prone to breakage and difficult to maintain the upright state of the submerged plants due to the impact of the water surface. The patent CN104206161B provides a method for planting submerged plant mud ball substrate, which wraps the stems of multiple submerged plants to form a mud ball, with the roots of the submerged plants on the outside, shortening the rooting time. However, the height of the submerged plant needs to be selected during the operation process, increasing the labor cost. In addition, in the actual throwing process, the submerged plants are easily broken due to the influence of water dynamic factors such as water inflow angle, water flow and wave. The patent CN119054462A provides a method for restoring Vallisneria with seeds as propagules in a heavily polluted substrate, which seeds the seeds of Vallisneria on the surface of a cylindrical agar gel, and then throws them, improving the seed germination rate and seedling growth rate of the submerged plants. However, the cylindrical agar gel substrate may roll in the bottom mud during the throwing process, making it difficult to achieve directional planting, and the surface seeds may be pressed into the bottom mud, limiting the germination of the seeds and the growth of the seedlings. The patent CN222108505U provides a visual underwater plant planting device that uses a throwing tube to achieve directional planting of submerged plants, but the throwing tube is in direct contact with the bottom mud, forming a relatively sealed state inside the tube, resulting in an increase in pressure difference inside the throwing tube, slowing down the sinking rate of the submerged plants during the throwing process, and reducing the throwing efficiency. In addition, it is difficult to meet the planting demand of a large area using a single throwing tube.

[0004] Therefore, the application designs a planting device for submerged plant posture control and orientation which can effectively reduce the risk of substrate breaking due to water flow impact and accurately control the planting posture of submerged plants. SUMMARY

[0005] The application aims to provide a planting device for submerged plant posture control and orientation to solve the above problems.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a planting device for submerged plant posture control and orientation, comprising a seedling board, a floating plate, and a telescopic pipe for shielding water flow debris for submerged plants, forming a falling channel; the floating plate surface is provided with a plurality of evenly arranged planting holes, the telescopic pipe is provided with a plurality of telescopic pipes, the telescopic pipe and the floating plate are overlapped through the planting hole, and the telescopic pipe extends downward through the planting hole; the submerged plant is placed on the seedling board, and the seedling board is placed on the upper surface of the floating plate.

[0007] The floating plate floats on the water surface, the telescopic pipe naturally sinks and expands under the influence of gravity, and stops after contacting the bottom mud; the submerged plant falls into the planting hole in the form of the seedling board being disassembled, and the submerged plant falls into the bottom mud along the telescopic pipe.

[0008] The submerged plant automatically sinks to the bottom mud along the telescopic rod under the gravity of the wrapped substrate, and the telescopic rod can ensure that the plant vertically sinks, effectively reducing the risk of substrate breaking due to water flow impact during the sinking process of the submerged plant. The submerged plant is provided with a stable nutrient source and a firm root base, greatly improving the survival rate of the plant.

[0009] Further, the surface of the seedling board is provided with seedling bins corresponding to the positions of the planting holes, the seedling bin is a spindle-shaped structure, and the size of the cross section gradually increases from top to bottom; the seedling board is provided with a plurality of seedling boards, the seedling boards are inserted into each other and form a splicing joint to facilitate disassembly and assembly of the seedling board. A plurality of through holes are formed on the outer wall of the telescopic pipe from top to bottom.

[0010] The spindle-shaped seedling bin design makes the falling shape of the submerged plant conform to the principle of fluid dynamics. When the submerged plant sinks wrapped in water, the water flows from the surface of the wrapping. Due to the axial symmetry structure of the spindle shape, the water flow has equal force on both sides and opposite directions, which makes the wrapped plant always keep axial stability during sinking and not easily roll or deviate. At the same time, under the action of the telescopic pipe, the center of gravity of the spindle-shaped wrapping is always on the central axis, further ensuring the stability of the vertical sinking and accurately controlling the planting posture of the submerged plant.

[0011] Further, the device further comprises a thin rod, a recovery hole, a base and a recovery displacement auxiliary mechanism for the thin rod; one end of the base is fixedly connected with the lower end of the telescopic pipe, the other end of the base is rotatably connected with the lower end of the thin rod, the recovery hole is arranged on the side of the planting hole, and the thin rod extends above the floating plate through the planting hole; the thin rod is a spiral metal rod with a cross section in the shape of a rectangle, but the two sides are arc lines.

[0012] By means of the auxiliary mechanism and the thin rod, the telescopic pipes can be retracted or synchronously lifted after one planting task is completed, the device has higher adaptability when facing different water areas and different planting areas, is more convenient for the operator to operate, can be displaced to the next planting site without lifting the floating plate, and the lockable design is more convenient for daily storage and storage of the device, can effectively reduce the labor intensity of the operator, and improves the versatility and convenience of the device.

[0013] Further, the device further comprises a thin rod, a recovery hole, a base and a recovery displacement auxiliary mechanism for the thin rod; one end of the base is fixedly connected with the lower end of the telescopic pipe, the other end of the base is rotatably connected with the lower end of the thin rod, the recovery hole is arranged on the side of the planting hole, and the thin rod extends above the floating plate through the planting hole; the thin rod is a spiral metal rod with a cross section in the shape of a rectangle, but the two sides are arc lines.

[0014] Further, the device further comprises a thin rod, a recovery hole, a base and a recovery displacement auxiliary mechanism for the thin rod; one end of the base is fixedly connected with the lower end of the telescopic pipe, the other end of the base is rotatably connected with the lower end of the thin rod, the recovery hole is arranged on the side of the planting hole, and the thin rod extends above the floating plate through the planting hole; the thin rod is a spiral metal rod with a cross section in the shape of a rectangle, but the two sides are arc lines.

[0015] Further, the device further comprises a thin rod, a recovery hole, a base and a recovery displacement auxiliary mechanism for the thin rod; one end of the base is fixedly connected with the lower end of the telescopic pipe, the other end of the base is rotatably connected with the lower end of the thin rod, the recovery hole is arranged on the side of the planting hole, and the thin rod extends above the floating plate through the planting hole; the thin rod is a spiral metal rod with a cross section in the shape of a rectangle, but the two sides are arc lines.

[0016] Compared with the prior art, the device has the following beneficial effects:

[0017] 1. Solve the problem of substrate breaking: In existing submerged plant planting technology, the substrate is easy to break during sinking, which leads to insufficient nutrients and stable support for plants. The invention uses the gravity of the wrapped substrate to automatically sink the submerged plant along the telescopic rod to the bottom mud, and the telescopic rod can ensure the vertical sinking of the plant. During the sinking of the submerged plant, the risk of substrate breaking due to water flow impact is effectively reduced. It provides a stable source of nutrients and a firm root base for submerged plants, greatly improving the survival rate of plants.

[0018] 2. Control the posture of the plant: The invention changes the wrapped substrate from a conventional irregular shape to a spindle shape. This unique spindle shape structure conforms to the principle of fluid dynamics. When the wrapped substrate sinks in water, the water flow flows from the surface of the wrapped substrate. Due to the axial symmetry of the spindle shape, the water flow has equal force and opposite direction on both sides, which makes the wrapped substrate always stable in the axial direction during sinking and does not easily roll or deviate. At the same time, under the action of gravity, the center of gravity of the spindle-shaped wrapped substrate is always on the central axis, further ensuring its stability during vertical sinking and precisely controlling the planting posture of the submerged plant.

[0019] 3. Modular design improves flexibility: The seedling plate can be flexibly spliced and split, and can be adjusted according to different planting areas and needs to adapt to diverse water environments. This modular design makes planting operations more convenient, and can flexibly arrange the planting scale and density according to actual conditions, which has higher adaptability and operability compared with traditional fixed structure planting devices. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only preferred embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is the overall schematic diagram of the planting device for posture control and orientation of submerged plants of the present application;

[0022] Figure 2 It is the overall structure schematic diagram of the embodiment of the present application;

[0023] Figure 3 It is the fine rod connection schematic diagram of the embodiment of the present application;

[0024] Figure 4 It is the driving sleeve connection relationship schematic diagram of the embodiment of the present application;

[0025] Figure 5 It is the connection rod connection relationship schematic diagram of the embodiment of the present application;

[0026] Figure 6 This is a cross-sectional view of the fixed sleeve structure according to an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the drive sleeve structure according to an embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of another angle driving sleeve structure according to an embodiment of the present invention;

[0029] Figure 9 This is a schematic diagram of the planar structure of the locking component according to an embodiment of the present invention.

[0030] In the diagram: 1-Seedling board; 11-Seedling bin; 12-Joint; 13-Rail; 2-Floating plate; 3-Telescopic tube; 31-Through hole; 4-Planting hole; 5-Thin rod; 6-Recycling hole; 7-Base; 8-Auxiliary mechanism; 81-Drive sleeve; 82-Fixing sleeve; 83-Upright plate; 831-Slide groove; 84-Connecting rod; 85-Synchronous drive rod; 86-Spring telescopic rod; 87-Locking assembly; 871-Elastic buckle; 872-Push rod; 873-Driven rod; 874-Arc-shaped locking block; 875-Trapezoidal pin; 876-Spring; 88-One-way bearing; 89-Limiting hole. Detailed Implementation

[0031] To better understand the structure, functional features, and advantages of the present invention, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

[0032] Example 1

[0033] like Figure 1 As shown, this application proposes a planting device for posture control and orientation of submerged plants, including a seedling board 1, a floating board 2, and a telescopic pipe 3 that shields the submerged plants from water flow and debris, forming a falling channel; the surface of the floating board 2 has an array of evenly arranged planting holes 4, the telescopic pipe 3 has an array of holes, the telescopic pipe 3 overlaps with the floating board 2 through the planting holes 4, and the telescopic pipe 3 extends downward through the planting holes 4; the submerged plants are placed on the seedling board 1, and the seedling board 1 is placed on the upper surface of the floating board 2;

[0034] The floating board 2 floats on the water surface, and the telescopic tube 3 sinks and unfolds naturally under the influence of gravity, stopping after contacting the bottom mud; the submerged plants fall into the planting hole 4 through the disassembly of the seedling board 1, and the submerged plants fall into the bottom mud along the telescopic tube 3.

[0035] See Figure 1 The seedling board 1 has a seedling compartment 11 on its surface that corresponds to the position of the planting hole 4. The seedling compartment 11 has a spindle-shaped structure and its cross-sectional size gradually decreases from top to bottom. The seedling board 1 has an array of seedling boards 1 that are interlocked to form a splicing seam 12 to facilitate the assembly and disassembly of the seedling board 1.

[0036] The seedling plate 1 has high flexibility, and the tenon-mortise structure can realize convenient splicing and splitting operation. The seedling bin 11 is spindle-shaped and has a variable-diameter structure with a small upper part and a large lower part. The submerged plant completes the substrate wrapping process in the seedling bin 11 and simultaneously completes the shape fixing to ensure the stable plant shape. The hole diameter and hole distance of the seedling plate 1 are accurately matched with the planting hole 4 on the floating plate 2, and the seedling plate 1 can be directly covered and arranged on the floating plate 2 to form a compact combined structure.

[0037] Referring to Figure 1 , a plurality of through holes 31 are formed in the outer wall of the telescopic pipe 3 from top to bottom. The telescopic pipe 3 has a multi-stage nested structure, is hollow inside, and has specific through holes 31 in the outer wall. When placed on the water surface, the telescopic pipe 3 can automatically complete the bottom-finding action by virtue of its own gravity to ensure vertical positioning. The telescopic rod penetrates the planting hole 4 of the floating bed, and the upper end of the first-stage telescopic rod has an expanded flared shape with a diameter slightly larger than that of the planting hole 4, which can be reliably buckled on the planting hole 4 to form stable support positioning.

[0038] Working principle: during planting operation, the seedling plate 1 is placed on the floating plate 2, the seedling plate 1 is split, and the submerged plant wrapped with substrate automatically falls into the planting hole 4. By virtue of the gravity of the substrate, the submerged plant automatically sinks to the bottom mud along the telescopic rod to complete accurate planting. After the seed throwing is completed, the floating plate 2 is vertically lifted to the next water area, which is convenient for quickly transferring to other water areas and continuing the seed throwing operation.

[0039] Embodiment 2

[0040] As another embodiment, as shown in Figures 2 to 8 , the embodiment further includes a thin rod 5, a recovery hole 6, a base 7, and an auxiliary mechanism 8 for recovering and displacing the thin rod 5; one end of the base 7 is fixedly connected with the lower end of the telescopic pipe 3, the other end of the base 7 is rotatably connected with the lower end of the thin rod 5, the recovery hole 6 is formed in the side of the planting hole 4, and the thin rod 5 extends through the planting hole 4 to above the floating plate 2; the thin rod 5 is a spiral metal rod with a cross section in the shape of a rectangle but with arc lines on both sides.

[0041] When the telescopic pipe 3 is lowered due to its own gravity, the thin rod 5 is synchronously driven to displace downward. Since the thin rod 5 is limited by the recovery hole 6 and the auxiliary mechanism 8, the thin rod 5 always maintains a vertical state. The thin rod 5 is made of metal, and a corrosion-resistant plating layer is sprayed on the surface of the thin rod 5 to prevent corrosion of the thin rod 5 by water.

[0042] Referring to Figure 2The track 13 is used to accommodate the thin rod 5 when the seedling plate 1 is spliced with the floating plate 2. In this embodiment, the seedling plate 1 is placed on the upper portion of the floating plate 2 in an inserted manner through the front end of the floating plate 2, so that the thin rod 5 is accommodated in the track 13, and the movement of the thin rod 5 does not affect the disassembly of the seedling plate 1.

[0043] Referring to Figures 3 to 8 As shown in the figure, the auxiliary mechanism 8 comprises a driving sleeve 81, a fixed sleeve 82, a vertical plate 83, a connecting rod 84, a synchronous driving rod 85, a spring telescopic rod 86 and a locking assembly 87; the fixed sleeve 82 is fixedly arranged in the recovery hole 6, the thin rod 5 is in sliding connection with the fixed sleeve 82, the driving sleeve 81 is designed in a double-layer structure, a limiting hole 89 with the same section as the thin rod 5 is arranged in the middle portion of the inner layer of the driving sleeve 81, the inner layer of the driving sleeve 81 is connected with the outer layer of the driving sleeve 81 through a one-way bearing 88, the locking assembly 87 is arranged at the lower portion of the driving sleeve 81, one end of the connecting rod 84 is connected with the outer layer of the driving sleeve 81, the other end of the connecting rod 84 is fixedly connected with the upper end of the spring telescopic rod 86, and the lower end of the vertical plate 83 is fixedly connected with the rear end of the floating plate 2.

[0044] When the telescopic pipe 3 moves downward under the gravity, the thin rod 5 is driven to move downward synchronously, the friction between the fixed sleeve 82 and the thin rod 5 is low, and the natural falling of the thin rod 5 is not affected, but the thin rod 5 is driven to rotate; the one-way bearing 88 between the inner layer and the outer layer of the driving sleeve 81 enables the inner layer of the driving sleeve 81 to rotate in only one direction and is limited in the other direction.

[0045] By placing the floating plate 2 on the water surface, then the telescopic pipe 3 naturally falls to the bottom, and simultaneously drives the thin rod 5 to rotate and move downward, in this process, the inner layer of the driving sleeve 81 is naturally rotated under the driving of the thin rod 5. After the seedling plate 1 is inserted into the upper end of the floating plate 2, the seedling plate 1 is disassembled, the wrapped submerged plants naturally fall into the planting holes 4, and then naturally fall into the bottom mud along the telescopic pipe 3, after planting, the connecting rod 84 is pulled downward to drive the driving sleeve 81 to move downward, because the one-way bearing 88 limits the inner layer of the driving sleeve 81 from rotating reversely, the inner layer of the driving sleeve 81 drives the thin rod 5 to rotate reversely, the reversely rotating thin rod 5 is limited by the fixed sleeve 82 and presents a upward movement trend, the telescopic pipe 3 is pulled back, and the locking assembly 87 is used to lock the thin rod 5.

[0046] Referring to Figure 4 and Figure 5 A plurality of through slide grooves 831 are arranged on the surface of the vertical plate 83, the upper end of the spring telescopic rod 86 is in sliding connection with the slide grooves 831, the lower end of the spring telescopic rod 86 is fixedly connected with the vertical plate 83, the synchronous driving rod 85 is located at the upper ends of all the spring telescopic rods 86, and the side portion of the synchronous driving rod 85 is in sliding connection with the vertical plate 83 through the spring telescopic rods 86; the thin rod 5 passes through the inner layer of the driving sleeve 81.

[0047] When several planting holes 4 are practically planted at one time, the corresponding connecting rods 84 can be unlocked separately, so that the telescopic tubes 3 naturally fall down. After planting is completed, the connecting rods 84 are pulled downward, so that the spring telescopic rods 86 are compressed, the connecting rods 84 drive the driving sleeves 81 to move downward, the driving thin rods 5 are driven to rotate upward, and the spring telescopic rods 86 rebound to push the connecting rods 84 back to the initial position. In this process, the inner layer of the driving sleeve 81 is not reversed by the limit, and the driving thin rods 5 are not rotated. The corresponding thin rods 5 can be driven to be recycled by reciprocally pulling the connecting rods 84, and then the corresponding telescopic tubes 3 are pulled to be recycled and locked. When all the thin rods 5 need to be driven at the same time, all the locking assemblies 87 are unlocked, and the synchronous driving rod 85 is pulled. The synchronous driving rod 85 can simultaneously drive all the connecting rods 84 to move downward, and then synchronously drive all the thin rods 5 to move.

[0048] Referring to Figure 6 , a limiting hole 89 with the same section as the thin rod 5 is arranged in the middle of the fixed sleeve 82, and the thin rod 5 is slidably connected with the fixed sleeve 82 through the limiting hole 89.

[0049] Embodiment 3

[0050] As another embodiment, as shown in Figure 8 and Figure 9 , the locking assembly 87 includes an elastic buckle 871, a push rod 872, a driven rod 873, an arc-shaped locking block 874, a trapezoidal pin 875, and a spring 876. The push rod 872 is slidably connected with the inner wall of the connecting rod 84, and the end of the push rod 872 located on one side of the spring telescopic rod 86 is provided with the elastic buckle 871 and extends to the outside of the connecting rod 84. The connecting rod 84 is in an L-shaped structure, the driven rod 873 is located in the inner short side of the connecting rod 84, the driven rod 873 is slidably connected with the connecting rod 84, one end of the driven rod 873 is fixedly connected with the trapezoidal pin 875, the other end of the driven rod 873 penetrates out of the connecting rod 84 and is fixedly connected with the arc-shaped locking block 874, and the inner wall of the connecting rod 84 is connected with the driven rod 873 through the spring 876.

[0051] When it is necessary to lock the position of the telescopic tube 3, the push rod 872 exposed from the connecting rod 84 is pressed, so that the push rod 872 generates horizontal displacement, the end of the push rod 872 contacts the trapezoidal pin 875, the trapezoidal pin 875 pushes the driven rod 873 to generate displacement by using the slope of the trapezoidal pin 875, and then the arc-shaped locking block 874 is pushed into the spiral groove of the thin rod 5, so that the locking of the thin rod 5 is completed. At the same time, the connecting rod 84 is also locked and cannot move in the vertical direction. The position of the push rod 872 is locked by the elastic buckle 871, and the push rod 872 is unlocked by being pressed again. The push rod 872 returns to the initial position, the trapezoidal pin 875 returns to the initial position under the action of the spring 876, and the arc-shaped locking block 874 is pulled to be recycled.

[0052] It should be noted that the arc of the arc-shaped locking block 874 is the same as the arc of the thin rod 5, and the arc-shaped locking block 874 is made of a high-friction deformable material. After the arc-shaped locking block 874 is pushed into the spiral groove of the thin rod 5, the arc-shaped locking block 874 is deformed under compression, increasing the contact area with the thin rod 5 to obtain greater friction, thereby achieving locking of the thin rod 5; the material of the arc-shaped locking block 874 is preferably rubber.

[0053] Working principle:

[0054] After inserting the seedling plate 1 into the upper end of the floating plate 2, the seedling plate 1 is split, the wrapped submerged plants naturally fall into the planting hole 4, and the natural falling direction of the telescopic pipe 3 falls into the bottom mud, after planting, by pulling the connecting rod 84 downward to drive the driving sleeve 81 to move downward, the inner layer of the driving sleeve 81 moves downward to drive the thin rod 5 to rotate in reverse, the thin rod 5 rotating in reverse is limited by the fixed sleeve 82 and tends to move upward, pulling the telescopic pipe 3 back, when the position of the telescopic pipe 3 needs to be locked, press the push rod 872 exposed from the connecting rod 84 to make the push rod 872 produce horizontal displacement, the end of the push rod 872 contacts with the trapezoidal pin 875, and the inclined surface of the trapezoidal pin 875 makes the trapezoidal pin 875 push the driven rod 873 to produce displacement, and then the arc-shaped locking block 874 is pushed into the spiral groove of the thin rod 5, that is, the locking of the thin rod 5 is completed, and the push rod 872 is pressed again to unlock, the push rod 872 returns to the initial position, and the trapezoidal pin 875 returns to the initial position under the action of the spring 876, and the arc-shaped locking block 874 is pulled back; when all the telescopic pipes 3 need to be recovered, unlock all the locking assemblies 87, pull the synchronous driving rod 85, and the synchronous driving rod 85 can drive all the connecting rods 84 to move downward at the same time, thereby synchronously driving all the thin rods 5 to move.

[0055] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any skilled person in the art can make many possible changes, modifications and equivalent embodiments to the technical solution of the present application without departing from the scope of the technical solution of the present application. Therefore, any modification, change and modification of the above embodiments within the scope of the technical solution of the present application, which is based on the technical solution of the present application, all belong to the protection scope of the technical solution.

Claims

1. A planting device for submersed plant posture control and orientation, characterized in that, The utility model provides a vertical falling channel for submersed plant, which comprises a seedling board (1), a floating board (2) and a telescopic tube (3) as a vertical falling channel for submersed plant, wherein a plurality of planting holes (4) are arranged on the surface of the floating board (2) in a uniform manner, the telescopic tube (3) is provided with a plurality of telescopic tubes, the telescopic tube (3) is connected to the floating board (2) through the planting hole (4), and the telescopic tube (3) extends downward through the planting hole (4); the submersed plant is placed on the seedling board (1), and the seedling board (1) is placed on the upper surface of the floating board (2). The floating board (2) floats on the water surface, the telescopic tube (3) naturally sinks and expands under the influence of gravity and stops after contacting the bottom mud, the submersed plant falls into the planting hole (4) in the form of the seedling board (1) being disassembled, and the submersed plant falls into the bottom mud along the telescopic tube (3).

2. The planting device for the control and orientation of the position of submerged plants according to claim 1, characterized in that, The seedling board (1) is provided with a plurality of seedling boards, the seedling boards are inserted into each other and form a joint (12) to facilitate the disassembly and assembly of the seedling board (1).

3. The planting device for the control and orientation of the position of submerged plants according to claim 2, characterized in that, The telescopic tube (3) is provided with a plurality of through holes (31) arranged from top to bottom.

4. The planting device for the control and orientation of the position of submerged plants according to claim 3, characterized in that, The utility model also comprises a thin rod (5), a recovery hole (6), a base (7) and an auxiliary mechanism (8) for recovering the thin rod (5), one end of the base (7) is fixedly connected to the lower end of the telescopic tube (3), the other end of the base (7) is rotatably connected to the lower end of the thin rod (5), the recovery hole (6) is arranged on the side of the planting hole (4), the thin rod (5) extends to above the floating board (2) through the planting hole (4), and the thin rod (5) is a spiral metal rod with a cross section similar to a rectangle but with arc lines on both sides.

5. The planting device for the control and orientation of the position of submerged plants according to claim 4, characterized in that, The seedling board (1) is provided with a through track (13), and the track (13) is used for accommodating the thin rod (5) when the seedling board (1) is spliced with the floating board (2).

6. The planting device for the control and orientation of the position of submerged plants according to claim 4, characterized in that, The auxiliary mechanism (8) comprises a driving sleeve (81), a fixed sleeve (82), a vertical plate (83), a connecting rod (84), a synchronous driving rod (85), a spring telescopic rod (86) and a locking assembly (87), the fixed sleeve (82) is fixedly arranged in the recovery hole (6), the thin rod (5) is slidably connected to the fixed sleeve (82), the driving sleeve (81) is designed as a double-layer structure, a limiting hole (89) with the same cross section as the thin rod (5) is arranged in the middle of the inner layer of the driving sleeve (81), the inner layer of the driving sleeve (81) is connected to the outer layer of the driving sleeve (81) through a one-way bearing (88), the locking assembly (87) is arranged at the lower part of the driving sleeve (81), one end of the connecting rod (84) is connected to the outer layer of the driving sleeve (81), the other end of the connecting rod (84) is fixedly connected to the upper end of the spring telescopic rod (86), and the lower end of the vertical plate (83) is fixedly connected to the rear end of the floating board (2).

7. The planting device for the control and orientation of the position of submerged plants according to claim 6, characterized in that, The vertical plate (83) is provided with a plurality of through sliding grooves (831) on the surface, the upper end of the spring telescopic rod (86) is slidably connected with the sliding groove (831), the lower end of the spring telescopic rod (86) is fixedly connected with the vertical plate (83), the synchronous driving rod (85) is located on the upper end of all the spring telescopic rods (86), and the synchronous driving rod (85) is slidably connected with the vertical plate (83) through the spring telescopic rod (86).

8. The planting device for the control and orientation of the position of submerged plants according to claim 7, characterized in that, The middle part of the fixing sleeve (82) is provided with a limiting hole (89) with the same cross section as the thin rod (5), and the thin rod (5) is slidably connected with the fixing sleeve (82) through the limiting hole (89).

9. The planting device for the control and orientation of the position of submerged plants according to claim 6, characterized in that, The locking assembly (87) comprises an elastic buckle (871), a push rod (872), a driven rod (873), an arc-shaped locking block (874), a trapezoidal pin (875) and a spring (876). The push rod (872) is slidably connected with the inner wall of the connecting rod (84), the end of the push rod (872) located on one side of the spring telescopic rod (86) is provided with the elastic buckle (871) and extends to the outside of the connecting rod (84), the connecting rod (84) has an L-shaped structure, the driven rod (873) is located on the inner short side of the connecting rod (84), the driven rod (873) is slidably connected with the connecting rod (84), one end of the driven rod (873) is fixedly connected with the trapezoidal pin (875), the other end of the driven rod (873) penetrates through the connecting rod (84) and is fixedly connected with the arc-shaped locking block (874), and the inner wall of the connecting rod (84) is connected with the driven rod (873) through the spring (876).

10. The planting device for the control and orientation of the position of submerged plants according to claim 9, characterized in that, The curvature of the arc-shaped locking block (874) is the same as that of the thin rod (5), and the arc-shaped locking block (874) is made of a high-friction deformable material.

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