Tea tree root fertilization device

Abstract

This application discloses a root fertilization device for tea trees, belonging to the field of tea tree planting technology. The fertilization device includes a handcart, with a fertilizer storage box fixedly installed at one end of the handcart frame. Support legs are fixedly installed at both ends of the lower surface of the fertilizer storage box, and a connecting rod is rotatably installed between the two sets of support legs. Drive wheels are rotatably installed on the outer surfaces of both ends of the connecting rod, and an eccentric shaft is fixedly installed at its center. An injection mechanism is rotatably installed on the outer surface of the eccentric shaft, and a piston cylinder is installed at the bottom of the fertilizer storage box. The root fertilization device for tea trees provided by this application uses a handcart as its core moving structure, making it more flexible for operators to push. When facing changes in tea garden row spacing or terrain with a certain slope, only the movement trajectory of the handcart needs to be adjusted to adapt, eliminating the need for repeated disassembly and transportation like traditional fixed-mount frame devices, thus improving the applicability of the fertilization device to different tea tree planting scenarios.

Description

Technical Field

[0001] This application belongs to the field of tea tree planting technology, specifically, it relates to a root fertilization device for tea trees. Background Technology

[0002] When planting tea trees, root fertilization is a key link in ensuring the supply of nutrients to tea trees and improving the quality and yield of tea. However, traditional tea tree fertilization methods have obvious shortcomings: on the one hand, most of them use the method of spreading fertilizer on the surface, which easily leads to fertilizer being washed away by rainwater and volatilized in the air, resulting in nutrient waste and potentially causing soil compaction and environmental pollution; on the other hand, some use the method of manually digging holes for fertilization, which relies on manual digging, inserting tubes, pushing in, and pulling out tubes one by one, which is not only time-consuming and labor-intensive, but also makes it difficult to accurately control the depth and amount of fertilizer.

[0003] Patent document CN223335274U discloses a root fertilization device for tea cultivation. This device has a fixed mounting frame as its core structure, and the entire device needs to be manually moved and adjusted in position during tea garden operations. When faced with changes in tea garden row spacing or terrain with a certain slope, operators need to repeatedly disassemble, move, and re-fix the mounting frame. The adjustment process is time-consuming and labor-intensive, making it difficult to meet the flexible operation requirements of tea tree fertilization. Utility Model Content

[0004] This application aims to provide a root fertilization device for tea trees to solve the problem that existing fertilization devices require repeated disassembly, transportation and adjustment when faced with changes in row spacing or certain slope terrain in tea gardens, which is time-consuming and labor-intensive.

[0005] To achieve the above-mentioned objectives, this application provides the following technical solution:

[0006] A tea tree root fertilization device includes: a handcart, a fertilizer storage box fixedly installed at one end of the frame of the handcart, and two sets of support legs fixedly installed at the bottom of the fertilizer storage box;

[0007] A connecting rod is rotatably mounted between the two sets of support leg tubes. Both ends of the connecting rod are rotatably mounted with drive wheels, and an eccentric shaft is fixedly mounted in the middle of the connecting rod.

[0008] An injection mechanism, which is rotatably mounted on the outer surface of the eccentric shaft;

[0009] A piston cylinder is connected and installed on the lower surface of the fertilizer storage tank. The feed end of the injection mechanism is slidably installed in the piston cylinder, so that when the drive wheel is pushed and rolled, it can drive the eccentric shaft to push and pull the injection mechanism back and forth through the connecting rod, so that the feed end of the injection mechanism slides back and forth in the piston cylinder.

[0010] Preferably, the injection mechanism includes: a connecting rod, a piston rod, and a connecting cylinder;

[0011] One end of the connecting rod is rotatably mounted in the eccentric shaft, and the other end of the connecting rod is rotatably mounted on the piston rod. The piston rod is slidably mounted in the piston cylinder. The connecting cylinder is fixedly mounted on the upper surface of the piston rod, and a liquid inlet is provided at the upper end of the outer surface of the connecting cylinder.

[0012] Preferably, the eccentric shaft drives the piston rod to rise and fall through the connecting rod, so that the connecting cylinder rises and falls synchronously with the piston rod, thereby causing the liquid inlet on the connecting cylinder to slide into the fertilizer storage tank;

[0013] When the connecting cylinder slides into the fertilizer storage tank, fertilizer can flow into the interior of the connecting cylinder through the liquid inlet.

[0014] Preferably, the injection mechanism further includes: a receiving tray and a first connecting tube;

[0015] The outer surface of the connecting cylinder has elongated openings at both ends, and the receiving plate is provided at the lower end of the inner part of the connecting cylinder; the first connecting pipe is fixedly installed at both ends of the outer surface of the receiving plate, and the first connecting pipe passes through the elongated openings and the outer surface of the piston cylinder in sequence, and is connected to the support leg pipe.

[0016] When the connecting cylinder is pushed, pulled, raised, or lowered, it can slide on the outer surface of the first connecting pipe through the elongated opening; when the connecting cylinder descends and retracts into the piston cylinder, it can compress the internal fertilizer to press the fertilizer into the receiving plate and inject it into the support leg pipe through the first connecting pipe.

[0017] Preferably, it also includes: an L-shaped tube, a second connecting tube, and an injection tube;

[0018] Both sets of support tubes have compression ports at their lower outer surfaces. L-shaped tubes are slidably installed inside each set of support tubes, and the L-shaped tubes are connected to the first connecting tube through the support tubes. One end of the bent portion of each set of L-shaped tubes slides out from the corresponding compression port, and the second connecting tube is connected between the ends of the two sets of L-shaped tubes that slide out of the compression ports. The lower end of the second connecting tube is connected to the injection tube.

[0019] Preferably, the second connecting pipe is located on one side of the eccentric shaft;

[0020] When the eccentric shaft rotates downward, it can pull the piston rod to drive the connecting cylinder to slide down in the piston cylinder. At the same time, the eccentric shaft presses down the second connecting pipe so that the L-shaped pipe slides down along the compression port in the support leg pipe, thereby driving the second connecting pipe and the injection pipe to be inserted into the soil.

[0021] Preferably, it further includes: a spring; the spring is fixedly connected to the lower surface of the compression port of the outrigger tube, the upper surface of the spring is fixedly connected to the lower surface of the L-shaped tube, and the spring is capable of applying an upward spring force to the L-shaped tube.

[0022] Compared with the prior art, this application has the following advantages:

[0023] 1. Solving the problem of moving traditional equipment and improving operational flexibility: This application uses a handcart as the core of the mobile structure, combined with the rolling design of the drive wheels. The fertilization device can be moved flexibly by the operator, without the need for repeated disassembly and transportation as with traditional fixed installation frame devices. When facing changes in tea garden row spacing or slightly sloping terrain, only the movement trajectory of the handcart needs to be adjusted to adapt, avoiding the problem of device tilting and leakage caused by transportation, and greatly improving the applicability of the fertilization device to different tea garden scenarios.

[0024] 2. Achieve full automation of the fertilization process and reduce labor costs and intensity: This application utilizes the linkage design of eccentric shaft, connecting rod, and piston column to convert the movement power of the handcart into the working power of "liquid suction-compression-injection". At the same time, through the cooperation of the eccentric shaft pressing down the second connecting tube and the spring return, the automatic control of the injection tube "entering the soil and pulling out the tube" is realized. The entire fertilization process does not require manual operation of each step. A single person can complete the work, which greatly reduces manual intervention and reduces the labor intensity of operators.

[0025] 3. Improve the precision of fertilization and reduce nutrient waste and environmental pollution: This application uses an injection tube that is directly inserted into the root zone of tea trees in the soil. The fertilizer is precisely injected into the vicinity of the roots through the injection tube. Compared with the traditional surface application method, this avoids the problem of fertilizer being washed away by rainwater and volatilized by the air, thus improving nutrient utilization. At the same time, the sealing fit between the piston cylinder and the piston column, and the connection design between the first connecting pipe and the support leg pipe, ensure that there is no leakage of fertilizer during the transportation process, reducing fertilizer pollution to the soil and the environment.

[0026] 4. No additional power source required, suitable for tea garden operation scenarios: All actions of this application rely on the mechanical energy generated by the movement of the handcart, and the power is transmitted through mechanical linkage. No external power source, fuel or other additional power sources are required, which reduces the cost of using the device and avoids the problems of inconvenient power supply and fuel pollution in mountain tea gardens, small-scale tea gardens and other scenarios, making it more adaptable.

[0027] 5. Stable and durable structure, ensuring consistent fertilization: The piston column sealing sliding design of this application ensures stable fertilizer delivery without leakage or waste; the stable spring thrust ensures that the injection tube returns to the same initial position after each reset, ensuring consistent soil penetration depth and avoiding uneven nutrient absorption by tea trees due to differences in fertilization depth; at the same time, the spring acts as a buffer when the L-shaped tube slides down, reducing the impact of the L-shaped tube on the compression port, protecting the support tube and L-shaped tube, and extending the overall service life of the device. Attached Figure Description

[0028] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0029] Figure 1 A schematic diagram of the overall structure of the tea tree root fertilization device provided in the embodiments of this application;

[0030] Figure 2 This is a schematic diagram of the piston cylinder in an embodiment of this application;

[0031] Figure 3 This is a schematic diagram of the connecting cylinder and the liquid inlet in the embodiments of this application;

[0032] Figure 4 This is a schematic diagram of the elongated opening in an embodiment of this application;

[0033] Figure 5 This is a schematic diagram of the injection mechanism in an embodiment of this application.

[0034] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments.

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Handcart; 101. Fertilizer storage box; 102. Piston cylinder; 103. Support leg tube; 104. Drive wheel; 105. Connecting rod; 106. Eccentric shaft; 107. Compression port; 2. Injection mechanism; 201. Connecting rod; 202. Piston column; 203. Connecting cylinder; 204. Liquid inlet; 205. First connecting pipe; 206. L-shaped pipe; 207. Second connecting pipe; 208. Injection tube; 209. Spring; 210. Receiving plate; 211. Long slot. Detailed Implementation

[0037] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0038] In the embodiments of this application, the terms "first" and "second" are used to distinguish identical or similar items with essentially the same function and effect. Those skilled in the art will understand that the terms "first" and "second" do not limit the quantity or execution order, and that the terms "first" and "second" do not necessarily imply that they are different.

[0039] It should be noted that in the embodiments of this application, the words "exemplary" or "for example" are used to indicate examples, illustrations, or explanations. Any embodiment or design scheme described as "exemplary" or "for example" in this application should not be construed as being more preferred or advantageous than other embodiments or design schemes. Specifically, the use of the words "exemplary" or "for example" is intended to present the relevant concepts in a specific manner. In the embodiments of this application, "at least one" refers to one or more, and "more than one" refers to two or more.

[0040] It should be noted that "at the time of..." in the embodiments of this application can be either at the instant when a certain situation occurs, or for a period of time after the occurrence of a certain situation. The embodiments of this application do not make specific limitations on this.

[0041] When planting tea trees, regular fertilization is necessary to ensure the supply of nutrients. Traditional tea tree fertilization methods have some shortcomings: for example, the method of surface-spreading fertilizer is prone to fertilizer loss with rainwater and volatilization in the air, resulting in nutrient waste and may also cause soil compaction and environmental pollution; another example is the method of manually digging holes for fertilization, which relies on manual processes such as digging holes, inserting tubes, pushing in, and pulling out tubes, which is not only time-consuming and labor-intensive, but also makes it difficult to accurately control the depth and amount of fertilizer.

[0042] Existing fertilization devices use a fixed mounting frame as their core structure. When operating in tea gardens, the entire device needs to be manually moved and its position adjusted. When faced with changes in row spacing in tea gardens (such as differences in row spacing between young and mature tea gardens) or slightly sloping terrain, operators need to repeatedly disassemble, move, and re-fix the mounting frame. The adjustment process is time-consuming and labor-intensive, making it difficult to meet the flexible operation requirements of tea tree fertilization.

[0043] To address the aforementioned technical problems, this application provides a tea tree root fertilization device, such as... Figures 1 to 5As shown, the tea tree root fertilization device includes a handcart 1, a connecting rod 105, an injection structure 2, and a piston cylinder 102. A fertilizer storage box 101 is fixedly installed at one end of the frame of the handcart 1, and a support leg tube 103 is fixedly installed at both ends of the bottom of the fertilizer storage box 101. A connecting rod 105 is rotatably installed between the two sets of support leg tubes 103. Drive wheels 104 are rotatably installed at both ends of the connecting rod 105, and an eccentric shaft 106 is fixedly installed at the center of the connecting rod 105.

[0044] The injection mechanism 2 is rotatably mounted on the outer surface of the eccentric shaft 106, and the piston cylinder 102 is connected and mounted on the lower surface of the fertilizer storage box 101. The feed end of the injection mechanism 2 is slidably mounted in the piston cylinder 102, so that when the drive wheel 104 is pushed and rolled, it can drive the eccentric shaft 106 to push and pull the injection mechanism 2 back and forth through the connecting rod 105, so that the feed end of the injection mechanism 2 slides back and forth in the piston cylinder 102.

[0045] In this embodiment, the basic structure of a movable tea tree root fertilization device is constructed by integrating the handcart 1, fertilizer storage box 101, support leg tube 103, connecting rod 105, drive wheel 104, eccentric shaft 106, and injection mechanism 2 into one unit. The handcart 1 provides the mobile carrier for the entire device; operators can move the device within the tea garden simply by pushing the handcart 1, eliminating the need for repeated disassembly and transport as with traditional fixed-mount fertilization devices. The fertilizer storage box 101 stores the fertilizer needed for fertilization, avoiding frequent refilling. The support leg tube 103 supports the fertilizer storage box 101 and provides a mounting position for the connecting rod 105, allowing it to rotate stably. When the drive wheel 104 rotates, it drives the connecting rod 105 to rotate synchronously, causing the eccentric shaft 106 at the center of the connecting rod 105 to generate circular motion, providing power to the injection mechanism 2. The injection mechanism 2, as the core component of fertilization, receives the power transmitted by the eccentric shaft 106 to complete the fertilization action. The overall structure enables the device to move autonomously, and the various components work together to provide a foundation for single-person operation and subsequent continuous fertilization, initially solving the problems of inconvenient movement and cumbersome operation of traditional fertilization devices.

[0046] Additionally, piston cylinder 102 connects to the lower surface of fertilizer storage tank 101, allowing the injection mechanism 2's feed end to slide. When drive wheel 104 is pushed and rolled, connecting rod 105 drives eccentric shaft 106 to reciprocately push and pull injection mechanism 2, causing the feed end of injection mechanism 2 to slide reciprocally within piston cylinder 102. Piston cylinder 102 provides a sealed and stable sliding space for the feed end of injection mechanism 2, preventing fertilizer leakage during sliding and enabling the initial conversion between "liquid suction" and "liquid compression" through the reciprocating sliding of the feed end, eliminating the need for manual operation of the liquid suction or compression steps. Simultaneously, this design directly converts the rolling power of drive wheel 104 into the operating power of injection mechanism 2, eliminating the need for an additional power source. This allows the fertilization process to proceed synchronously with the device's movement, reducing downtime and improving fertilization continuity.

[0047] In another embodiment, the injection mechanism 2 includes a connecting rod 201, a piston rod 202, and a connecting cylinder 203. One end of the connecting rod 201 is rotatably mounted inside the eccentric shaft 106, and the other end of the connecting rod 201 is rotatably mounted with the piston rod 202, which is slidably and sealed inside the piston cylinder 102. The connecting cylinder 203 is fixedly mounted on the upper surface of the piston rod 202, and an inlet 204 is provided on the upper end of the outer surface of the connecting cylinder 203.

[0048] In the above embodiment, since one end of the connecting rod 201 is rotatably mounted on the eccentric shaft 106 and the other end is rotatably connected to the piston column 202, the circular motion of the eccentric shaft 106 can be smoothly converted into the linear reciprocating motion of the piston column 202, avoiding jamming during power transmission and ensuring the stable operation of the injection mechanism 2. The piston column 202 is sealed and slidably mounted inside the piston cylinder 102, which can ensure the sealing of the piston cylinder 102 and prevent fertilizer from leaking from the gap between the piston column 202 and the piston cylinder 102, reducing fertilizer waste and environmental pollution. The connecting cylinder 203 on the upper surface of the piston column 202 provides a temporary storage space for fertilizer, and the liquid inlet 204 at the upper end of its outer surface provides a channel for fertilizer to enter the connecting cylinder 203, allowing fertilizer to accurately enter the injection mechanism 2, preparing for subsequent fertilizer delivery and further improving the working function of the injection mechanism 2.

[0049] In another embodiment, the eccentric shaft 106 drives the piston rod 202 to rise and fall via the connecting rod 201, so that the connecting cylinder 203 rises and falls synchronously with the piston rod 202, thereby allowing the liquid inlet 204 on the connecting cylinder 203 to slide into the fertilizer storage tank 101. When the connecting cylinder 203 slides into the fertilizer storage tank 101, fertilizer can flow into the interior of the connecting cylinder 203 through the liquid inlet 204.

[0050] In the above embodiments, when the inlet 204 enters the fertilizer storage tank 101, the fertilizer in the fertilizer storage tank 101 can automatically flow into the connecting cylinder 203 through the inlet 204, without the need for manual opening of the valve or scooping of fertilizer into the connecting cylinder 203, thus automating the liquid suction action; and the liquid suction action is synchronized with the lifting and lowering action of the piston column 202, proceeding naturally with the movement of the device without adding any additional operating steps. At the same time, the inlet 204 only retracts into the fertilizer storage tank 101 to suck liquid when the connecting cylinder 203 rises, and enters the piston cylinder 102 with the connecting cylinder 203 when it descends, which can prevent fertilizer backflow after suction, ensure a stable amount of liquid suction each time, and lay the foundation for subsequent precise fertilization.

[0051] In another embodiment, continued participation Figure 5 The injection mechanism 2 also includes a receiving plate 210 and a first connecting pipe 205. The outer surface of the connecting cylinder 203 has elongated openings 211 at both ends, and a receiving plate 210 is located at the lower end of the connecting cylinder 203. The first connecting pipe 205 is fixedly installed at both ends of the outer surface of the receiving plate 210. The first connecting pipe 205 passes through the elongated openings 211 and the outer surface of the piston cylinder 102, and is connected to the support leg pipe 103. When the connecting cylinder 203 is pushed, pulled, raised, or lowered, it can slide through the elongated openings 211 on the outer surface of the first connecting pipe 205. When the connecting cylinder 203 descends and retracts into the piston cylinder 102, it can compress the fertilizer inside, forcing the fertilizer into the receiving plate 210 and injecting it into the support leg pipe 103 through the first connecting pipe 205.

[0052] In the above embodiment, the injection mechanism 2, by adding a receiving plate 210 and a first connecting pipe 205, provides clearance space for the elongated opening 211 on the outer surface of the connecting cylinder 203 when it is raised and lowered, ensuring that the connecting cylinder 203 does not interfere with the fixed first connecting pipe 205 during the raising and lowering process, thus ensuring smooth operation of the device. When the connecting cylinder 203 slides down into the piston cylinder 102, the fertilizer inside is compressed and flows to the receiving plate 210. The receiving plate 210 can collect the compressed fertilizer, avoiding the fertilizer from being dispersed in the connecting cylinder 203 and causing uneven delivery. The first connecting pipe 205 accurately guides the fertilizer collected by the receiving plate 210 into the support leg pipe 103, providing a fixed channel for the fertilizer to be delivered from the injection mechanism 2 to the subsequent injection components, preventing the fertilizer from leaking or flowing during the delivery process, ensuring that the fertilizer can enter the support leg pipe 103 intact, and realizing the directional and stable delivery of the fertilizer.

[0053] In another embodiment, the tea tree root fertilization device further includes an L-shaped tube 206, a second connecting tube 207, and an injection tube 208. Both sets of support tubes 103 have compression ports 107 at their lower outer surfaces. An L-shaped tube 206 is slidably installed inside each set of support tubes 103, and the L-shaped tube 206 is connected to the first connecting tube 205 via the support tubes 103. One end of the bent portion of each set of L-shaped tubes 206 slides out from the corresponding compression port 107, and a second connecting tube 207 is connected between the ends of the two sets of L-shaped tubes 206 that slide out of the compression port 107. An injection tube 208 is connected to the lower outer surface of the second connecting tube 207.

[0054] In the above embodiment, by adding an L-shaped tube 206, a second connecting tube 207, and an injection tube 208, the compression port 107 on the support tube 103 provides sliding space for the L-shaped tube 206, allowing the L-shaped tube 206 to move up and down within the support tube 103. The L-shaped tube 206 can guide the fertilizer in the support tube 103 to the second connecting tube 207, and the two sets of L-shaped tubes 206 are connected through the second connecting tube 207, which can ensure that the fertilizer in the two sets of L-shaped tubes 206 is evenly collected in the second connecting tube 207, avoiding uneven fertilizer distribution. The injection tube 208 at the lower end of the second connecting tube 207 can be directly inserted into the soil, so that the fertilizer can be injected into the soil close to the roots of the tea tree. Compared with the traditional surface application method, it reduces the loss of nutrients due to rainwater erosion or volatilization, improves fertilizer utilization, and the design of the injection tube 208 also ensures that the fertilizer is accurately delivered to the root area.

[0055] In practice, the second connecting pipe 207 is located on one side of the eccentric shaft 106. When the eccentric shaft 106 rotates downward, it pulls the piston rod 202, causing the connecting cylinder 203 to slide down inside the piston cylinder 102. At the same time, the eccentric shaft 106 presses down on the second connecting pipe 207, causing the L-shaped pipe 206 to slide down along the compression port 107 inside the support leg pipe 103, thereby driving the second connecting pipe 207 and the injection pipe 208 to be inserted into the soil. In this way, the fertilizer in the support leg pipe 103 can enter the injection pipe 208 sequentially through the L-shaped pipe 206 and the second connecting pipe 207 to complete the fertilizer injection.

[0056] Since the second connecting pipe 207 is located on one side of the eccentric shaft 106, when the eccentric shaft 106 rotates downward, it can both pull the piston column 202 to drive the connecting cylinder 203 to slide down and compress the fertilizer, and simultaneously press down the second connecting pipe 207, causing the L-shaped pipe 206 to slide down along the compression port 107 and drive the injection tube 208 to be inserted into the soil—achieving the simultaneous execution of the two actions of "fertilizer compression" and "injection tube insertion into the soil," eliminating the need for manual insertion of the injection tube 208 before compressing the fertilizer, greatly simplifying the operation process; and the fertilizer is injected directly after the injection tube 208 is inserted into the soil, allowing the fertilizer to be quickly absorbed by the roots, further reducing nutrient loss; at the same time, the second connecting pipe 207 is pressed down by the power of the eccentric shaft 106, eliminating the need for manual force to insert the injection tube 208, reducing the labor intensity of the operators.

[0057] In another embodiment, such as Figures 3-5 As shown, the tea tree root fertilization device also includes a spring 209; the spring 209 is fixedly connected to the lower inner surface of the compression port 107 of the support leg tube 103, the upper surface of the spring 209 is fixedly connected to the lower surface of the L-shaped tube 206, and the spring 209 can apply an upward spring force to the L-shaped tube 206.

[0058] In the above embodiment, due to the upward pushing force applied by the spring 209 to the L-shaped tube 206, when the eccentric shaft 106 no longer presses down on the second connecting tube 207, the L-shaped tube 206 can be pushed upward to slide, thereby driving the second connecting tube 207 and the injection tube 208 to be pulled out of the soil, realizing the automatic reset of the injection tube 208 without manual removal, further simplifying the operation steps; and the elastic force of the spring 209 is stable, and the injection tube 208 can return to the same initial position after each reset, ensuring that the next soil insertion depth is consistent and avoiding uneven fertilization due to differences in soil insertion depth; at the same time, the spring 209 can also play a buffering role when the L-shaped tube 206 slides down, reducing the impact force of the L-shaped tube 206 on the compression port 107, protecting the support leg tube 103 and the L-shaped tube 206, and extending the service life of the components.

[0059] The working principle of the tea tree root fertilization device provided in this application is briefly described below:

[0060] 1. Power transmission chain start-up: The operator pushes the handcart 1 to move, and the handcart 1 drives the fertilizer storage box 101 to move synchronously. The support legs 103 at both ends of the lower surface of the fertilizer storage box 101 move accordingly, which in turn drives the connecting rod 105 rotatably installed between the two sets of support legs 103 to move. The drive wheels 104 at both ends of the connecting rod 105 contact the ground and roll. When the drive wheels 104 roll, they drive the connecting rod 105 to rotate synchronously.

[0061] 2. Motion mode conversion: The eccentric shaft 106 fixed at the center of the connecting rod 105 rotates with the connecting rod 105 to make circular motion. The connecting rod 201 rotatably mounted on the outer surface of the eccentric shaft 106 converts the circular motion of the eccentric shaft 106 into linear reciprocating motion. The piston column 202 rotatably connected to the other end of the connecting rod 201 makes sealed reciprocating sliding within the piston cylinder 102 under this force (the piston cylinder 102 is connected to the lower surface of the fertilizer storage box 101 to provide a sealed sliding space for the piston column 202).

[0062] 3. Fertilizer liquid absorption process: The connecting cylinder 203 fixed on the upper surface of the piston column 202 moves up and down synchronously with the piston column 202; when the eccentric shaft 106 rotates upward, the connecting rod 201 pushes the piston column 202 upward, and the connecting cylinder 203 moves upward accordingly. The liquid inlet 204 at the upper end of the outer surface of the connecting cylinder 203 slides into the fertilizer storage tank 101, and the fertilizer in the fertilizer storage tank 101 flows into the interior of the connecting cylinder 203 through the liquid inlet 204, completing the liquid absorption.

[0063] 4. Fertilizer compression and conveying: When the eccentric shaft 106 rotates downward, the connecting rod 201 pulls the piston column 202 downward, and the connecting cylinder 203 slides down into the piston cylinder 102. The internal space of the connecting cylinder 203 shrinks, generating a compressive force on the fertilizer inside. Under the action of the compressive force, the fertilizer flows to the receiving plate 210 at the lower end of the connecting cylinder 203. The first connecting pipe 205 (which penetrates the long opening 211 of the connecting cylinder 203 and the outer surface of the piston cylinder 102) fixed at both ends of the outer surface of the receiving plate 210 guides the fertilizer into the support leg pipe 103 (the long opening 211 provides clearance for the lifting and lowering of the connecting cylinder 203, avoiding interference with the first connecting pipe 205).

[0064] 5. Soil insertion of injection tube and fertilizer injection: The second connecting tube 207 is located on one side of the eccentric shaft 106. When the eccentric shaft 106 rotates downward, it will simultaneously press down the second connecting tube 207. The second connecting tube 207 drives the L-shaped tube 206, which is connected at both ends, to slide down along the compression port 107 inside the support tube 103 (the compression port 107 is opened at the lower end of the outer surface of the support tube 103 to provide sliding space for the L-shaped tube 206). When the L-shaped tube 206 slides down, it drives the injection tube 208 at the lower end of the second connecting tube 207 to be inserted into the soil. At the same time, the fertilizer in the support tube 103 flows into the second connecting tube 207 through the L-shaped tube 206, and then enters the injection tube 208, and is finally injected into the tea tree root area in the soil to complete the injection.

[0065] 6. Injection tube reset: The spring 209 fixed on the lower surface of the compression port 107 of the support leg tube 103 is connected at its upper end to the lower surface of the L-shaped tube 206 and always applies an upward spring force; when the eccentric shaft 106 rotates upward and no longer presses down on the second connecting tube 207, the spring force of the spring 209 pushes the L-shaped tube 206 upward, and the L-shaped tube 206 drives the second connecting tube 207 and the injection tube 208 to be pulled out of the soil and returned to the initial position, in preparation for the next fertilization cycle.

[0066] The following describes how to use the tea tree root fertilization device provided in this application:

[0067] 1. Preliminary preparation: Open the feeding port of fertilizer storage box 101 (not explicitly marked in the document, but it is an essential structure of conventional liquid storage components), pour the prepared tea tree root fertilizer into fertilizer storage box 101, close the feeding port after pouring, and ensure that fertilizer storage box 101 is sealed (to prevent fertilizer leakage or impurities from entering).

[0068] 2. Start-up: The operator stands on the push end of the handcart 1 (conventional handcart structure) and pushes the handcart 1 along the tea garden work path with both hands. The direction of movement is parallel to the tea tree planting row, ensuring that the injection tube 208 is aligned with the area where the tea tree roots are located (no additional adjustment of the device position is required, the movement trajectory of the handcart 1 can control the fertilization position).

[0069] 3. Automatic fertilization cycle: During the process of pushing the wheelbarrow 1, the drive wheel 104 automatically rotates, and the device automatically completes a single fertilization according to the process of "liquid suction → compression → soil insertion → injection → tube removal and reset"; as the wheelbarrow 1 continues to move, the drive wheel 104 continues to rotate, and the device continuously repeats the above cycle to realize continuous fertilization operation without the need for operators to perform additional operations such as digging holes, inserting tubes, injecting, and removing tubes.

[0070] 4. End of operation: When the fertilizer in the fertilizer storage tank 101 is about to run out (this can be judged by the transparent observation window or level gauge of the fertilizer storage tank 101; this is not explicitly stated in the document and is a standard design), or after fertilizing a tea garden area, stop pushing the handcart 1. After the injection tube 208 is reset, push the device to the designated storage area. If you need to continue the operation, replenish the fertilizer and repeat the above steps.

[0071] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A root fertilization device for tea trees, characterized in that, include: A handcart (1), wherein a fertilizer storage box (101) is fixedly installed at one end of the frame of the handcart (1), and two sets of support legs (103) are fixedly installed at the bottom of the fertilizer storage box (101); A connecting rod (105) is rotatably mounted between two sets of support leg tubes (103). Both ends of the connecting rod (105) are rotatably mounted with drive wheels (104), and an eccentric shaft (106) is fixedly mounted in the middle of the connecting rod (105). An injection mechanism (2) is rotatably mounted on the outer surface of the eccentric shaft (106); A piston cylinder (102) is connected and installed on the lower surface of the fertilizer storage tank (101). The feed end of the injection mechanism (2) is slidably installed in the piston cylinder (102), so that when the drive wheel (104) is pushed and rolled, it can drive the eccentric shaft (106) to push and pull the injection mechanism (2) back and forth through the connecting rod (105), so that the feed end of the injection mechanism (2) slides back and forth in the piston cylinder (102).

2. The tea tree root fertilization device according to claim 1, characterized in that, The injection mechanism (2) includes: a connecting rod (201), a piston rod (202), and a connecting cylinder (203); One end of the connecting rod (201) is rotatably mounted in the eccentric shaft (106), and the other end of the connecting rod (201) is rotatably mounted on the piston rod (202). The piston rod (202) is slidably mounted in the piston cylinder (102). The connecting cylinder (203) is fixedly mounted on the upper surface of the piston rod (202), and the upper end of the outer surface of the connecting cylinder (203) is provided with a liquid inlet (204).

3. The tea tree root fertilization device according to claim 2, characterized in that, The eccentric shaft (106) drives the piston rod (202) to rise and fall through the connecting rod (201), so that the connecting cylinder (203) rises and falls synchronously with the piston rod (202), thereby causing the liquid inlet (204) of the connecting cylinder (203) to slide into the fertilizer storage tank (101); When the connecting cylinder (203) slides into the fertilizer storage tank (101), fertilizer can flow into the interior of the connecting cylinder (203) through the liquid inlet (204).

4. The tea tree root fertilization device according to claim 3, characterized in that, The injection mechanism (2) further includes: a receiving plate (210) and a first connecting pipe (205); The connecting cylinder (203) has elongated openings (211) at both ends of its outer surface, and the receiving plate (210) is provided at the lower end of the connecting cylinder (203); the first connecting pipe (205) is fixedly installed at both ends of the outer surface of the receiving plate (210), and the first connecting pipe (205) passes through the elongated opening (211) and the outer surface of the piston cylinder (102) in sequence, and is connected to the support leg pipe (103); When the connecting cylinder (203) is pushed, pulled, raised, or lowered, it can slide on the outer surface of the first connecting pipe (205) through the elongated opening (211); when the connecting cylinder (203) descends and retracts into the piston cylinder (102), the connecting cylinder (203) can compress the internal fertilizer to press the fertilizer into the receiving plate (210) and inject it into the support leg pipe (103) through the first connecting pipe (205).

5. The tea tree root fertilization device according to claim 4, characterized in that, Also includes: L-shaped tube (206), second connecting tube (207) and injection tube (208); Both sets of support tubes (103) have compression ports (107) at their lower outer surfaces. Each set of support tubes (103) has an L-shaped tube (206) slidably installed inside it. The L-shaped tube (206) is connected to the first connecting tube (205) through the support tube (103). One end of the bent portion of each set of L-shaped tubes (206) slides out from the corresponding compression port (107), and the ends of the two sets of L-shaped tubes (206) that slide out from the compression port (107) are connected to the second connecting tube (207). The lower end of the second connecting tube (207) is connected to the injection tube (208).

6. The tea tree root fertilization device according to claim 5, characterized in that, The second connecting pipe (207) is located on one side of the eccentric shaft (106); When the eccentric shaft (106) rotates downward, it can pull the piston rod (202) to drive the connecting cylinder (203) to slide down in the piston cylinder (102). At the same time, the eccentric shaft (106) presses down the second connecting pipe (207) so that the L-shaped pipe (206) slides down along the compression port (107) in the support leg pipe (103), thereby driving the second connecting pipe (207) and the injection pipe (208) to be inserted into the soil.

7. The tea tree root fertilization device according to claim 6, characterized in that, Also includes: Spring (209); The spring (209) is fixedly connected to the lower inner surface of the compression port (107) of the support leg tube (103), the upper surface of the spring (209) is fixedly connected to the lower surface of the L-shaped tube (206), and the spring (209) can apply an upward spring force to the L-shaped tube (206).

Images