Landscaping maintenance device

Abstract

The embodiment of the utility model provides a landscaping maintenance device which comprises a mowing blade used for cutting weeds; wherein a plurality of groups of positioning holes are formed in the mowing blade; the lower end of the vibration transmission rod is fixedly connected with the mowing blade, and a replaceable elastic element is arranged at the joint of the vibration transmission rod and the mowing blade; the top of the supporting base is connected with the middle of the vibration transmission rod, and the supporting base is used for fixing and supporting the whole device; the vibration exciter is mounted at the top of the supporting base, and the lower end of the vibration exciter is connected with the vibration transmission rod; the adjusting screw sleeve is sleeved at the lower end of the vibration transmission rod; wherein the plurality of groups of positioning holes are provided with locking pins capable of changing positions, the locking pins are sleeved with mass blocks, and the mass blocks comprise a plurality of groups of counterweight rings capable of being disassembled and assembled. According to the scheme of the embodiment of the invention, the method can adapt to weeds with different thicknesses.

Description

Technical Field

[0001] This application relates to the field of landscaping technology, specifically to a landscaping maintenance device. Background Technology

[0002] Landscape maintenance equipment is designed to improve the efficiency of landscape management. It typically integrates multiple functions such as pruning, irrigation, and cleaning, aiming to reduce manual labor intensity and improve work efficiency. However, in actual use, these devices face the challenge of adapting to weeds of varying thicknesses. Existing cutting or cleaning structures may not be able to flexibly handle weeds of different growth stages and thicknesses, which to some extent limits the applicability and work efficiency of the equipment. Summary of the Invention

[0003] In view of this, the present disclosure provides a garden greening maintenance device that at least partially solves the problems existing in the prior art.

[0004] This application discloses a landscaping maintenance device, comprising:

[0005] A lawn mower blade for cutting weeds; wherein the lawn mower blade has multiple sets of positioning holes;

[0006] The vibrating transmission rod is fixedly connected at its lower end to the mowing blade, and the connection point is equipped with a replaceable elastic element.

[0007] The support base, with its top connected to the middle of the vibration transmission rod, is used to fix and support the entire device;

[0008] A vibration exciter is installed on the top of the support base, and its lower end is connected to the vibration transmission rod;

[0009] An adjusting sleeve is fitted onto the lower end of the vibration transmission rod; wherein...

[0010] The multiple sets of positioning holes are equipped with locking pins that can change position, and the locking pins are fitted with mass blocks, the mass blocks including multiple sets of detachable counterweight rings.

[0011] In one specific embodiment, the vibration transmission rod includes a hollow structure portion and an adjustment rod built into it, the adjustment rod being able to slide within the hollow structure to change the effective length to fine-tune the vibration frequency range.

[0012] In one specific embodiment, the support base is provided with height-adjustable feet, which are raised and lowered via a screw structure.

[0013] In one specific embodiment, the support base includes an additional counterweight plate, which is magnetically connected to the bottom of the support base.

[0014] In one specific embodiment, the output power of the vibration exciter drives the vibration transmission rod via a coupling to compensate for the angular displacement generated by the vibration.

[0015] In one specific embodiment, the adjusting screw sleeve is provided with a scale indicator on its exterior. By rotating the adjusting screw sleeve, the current effective rod length and its corresponding expected vibration frequency range can be read.

[0016] In one specific embodiment, damping pads are arranged around the connection between the vibration transmission rod and the support base to reduce noise from high-frequency vibrations.

[0017] In one specific embodiment, the connection between the mowing blade and the vibration transmission rod is provided with a ball joint type connection assembly.

[0018] In one specific embodiment, the elastic element is a helical spring and is sleeved on the outside of the ball joint type connection assembly.

[0019] This disclosure provides a landscaping maintenance device, comprising: a lawnmower blade for cutting weeds; wherein the lawnmower blade has multiple sets of positioning holes; a vibration transmission rod, the lower end of which is fixedly connected to the lawnmower blade, and the connection point is provided with a replaceable elastic element; a support base, the top of which is connected to the middle of the vibration transmission rod for fixing and supporting the entire device; a vibration exciter, installed on the top of the support base, the lower end of which is connected to the vibration transmission rod; and an adjusting screw sleeve fitted onto the lower end of the vibration transmission rod; wherein the multiple sets of positioning holes are configured with locking pins that can change position, and the locking pins are fitted with mass blocks, the mass blocks including multiple sets of detachable counterweight rings. The solution of this disclosure can address how to adapt to weeds of different thicknesses. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the exemplary embodiments of this disclosure, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this disclosure and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a perspective view of the present utility model;

[0022] Figure 2 for Figure 1 Enlarged view of point A in the image;

[0023] Figure 3 This is a cross-sectional view of the vibration transmission rod in this utility model;

[0024] Figure 4 This is a cross-sectional view of the support base in this utility model.

[0025] In the diagram: 1. Lawn mower blade; 2. Vibration transmission rod; 3. Support base; 4. Vibration exciter; 5. Adjusting screw sleeve; 6. Counterweight ring; 7. Locking pin; 8. Adjusting rod; 9. Height adjustment foot; 10. Additional counterweight plate; 11. Mass block; 12. Positioning hole; 13. Elastic element; 14. Coupling; 15. Scale indicator; 16. Vibration damping pad; 17. Ball joint connection assembly Detailed Implementation

[0026] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings.

[0027] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. This disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0028] like Figure 1 As shown, a landscaping maintenance device of this application includes a lawnmower blade 1, a vibration transmission rod 2, a support base 3, a vibration exciter 4, and an adjusting screw sleeve 5. Through the synergistic effect of these components, the device can achieve efficient weed removal in landscaping maintenance, and the relevant parts can be adjusted according to specific needs to adapt to complex application environments.

[0029] The lawnmower blade 1 is the core component used for cutting weeds. It features a special structural design to optimize vibration performance, including an adjustable mass block 11 (see details). Figure 2 This mass block 11 can alter the inertial characteristics of the vibration system by increasing or decreasing its mass, thereby affecting the overall vibration effect. Furthermore, the blade is equipped with a positioning hole 12 structure, allowing the user to precisely control the blade's center of gravity by adjusting the position of the positioning hole 12. This adjustment mechanism helps maintain balance when handling different types of vegetation. To further enhance performance, the mowing blade 1 is connected to other components using an elastic element 13. This allows control of the resonant frequency by changing the stiffness of the elastic element 13, ensuring that the equipment maintains stable amplitude and efficiency in different working environments.

[0030] The vibration transmission rod 2 is a key component used to transmit power from the vibration exciter 4 to the mowing blade 1. It is installed such that its upper end is directly connected to the vibration exciter 4 to receive the initial vibration force from it, while its lower end is fixedly connected to the mowing blade 1, thus effectively transmitting the vibration force to the actual working area. The length and mechanical properties of the vibration transmission rod 2 directly affect the stability of vibration propagation and the selection of the blade's vibration frequency range.

[0031] The support base 3 is responsible for fixing and supporting the entire device. Its top is connected to the middle of the vibration transmission rod 2. This arrangement not only allows the vibration transmission rod 2 to perform vertical vibration operation within a reasonable range, but also effectively disperses the force load, preventing damage or failure due to unbalanced forces during device operation. As the basic component of the entire device, the support base 3 provides a stable placement platform and a robust connection interface for other key components.

[0032] The vibration exciter 4 serves as the drive unit for generating the vibration source, initiating the vibration process of the entire system by providing the necessary initial vibration force. This device is securely mounted on top of the support base 3. Technically, it can generate the required power through electromagnetic principles (e.g., using an electromagnetic vibration exciter) or by driving an eccentric wheel with a motor, adapting to different application scenarios.

[0033] The adjusting sleeve 5 is designed for fine-tuning the effective length of the vibration transmission rod 2. This part performs this task by fitting onto the vibration transmission rod 2 below the support base 3. By rotating the adjusting sleeve 5, the mechanical properties of the transmission rod can be adjusted to match the required frequency. For example, in actual operation, rotating this screw can compress or lengthen the spring assembly in certain sections to modify the inherent frequency characteristics of the entire system, making the vibration more suitable for the different weed materials and thicknesses encountered.

[0034] like Figure 2 As shown, in one embodiment, the lawnmower blade 1 of a landscaping maintenance device of this application is equipped with a multi-level adjustable mass block 11 structure. This mass block 11 is constructed in the form of counterweight rings 6 and is screwed onto the blade body. Each counterweight ring 6 is designed with an internal thread structure that matches the blade body, allowing for gradual accumulation of mass by screwing it into specific positions on the blade. Due to the adjustable design of the counterweight rings 6, operators can flexibly combine multiple counterweight rings 6 or remove installed counterweight rings 6 as needed to finely change the overall mass distribution of the blade.

[0035] Furthermore, the counterweight rings 6 are fixed to preset positions on the blade via a helical engagement, with appropriate intervals maintained between each position. This connection method is not only robust but also easy to assemble and disassemble, while the symmetrically distributed counterweight rings 6 ensure consistent vibration characteristics. Specifically, during assembly, the total mass can be adjusted by selecting different numbers, thicknesses, or materials of counterweight rings 6 and installing them on corresponding blade nodes, thereby indirectly controlling the overall vibration frequency. For example, for mowing tasks with lighter loads, only a few or a single counterweight ring 6 are needed; while for complex terrain or areas with abundant grass, more counterweight rings 6 need to be added and adjusted to an appropriate range of vibration frequency parameters.

[0036] like Figure 1 and Figure 2 As shown, in one embodiment, a specific feature of the garden greening maintenance device of this application is that the change in the center of gravity distribution of the lawn mower blade 1 is achieved by improving the combination of the positioning hole 12 structure 12 and the locking pin 7. The positioning hole 12 structure 12 adopts a multi-segment design, which is distributed in the circumferential area of ​​the lawn mower blade 1, and can be selected and adjusted in multiple positions according to different working conditions. The locking pin 7 passes through a designated position in the connection area between the vibration transmission rod 2 and the lawn mower blade 1. By adjusting the different segmented hole positions into which it is inserted, the effective load distribution of each part on the lawn mower blade 1 can be selectively changed, further affecting the overall center of gravity distribution.

[0037] Furthermore, the above design allows for flexible changes in the engagement position of the locking pin 7 and the positioning hole 12, enabling the vibration system to be optimized and adapted to different working conditions through manual adjustment when facing complex operating conditions. For example, in actual assembly, the locking pin 7 can be installed at the edge of the mowing blade 1 and locked in place through specific holes, thereby readjusting the mass balance characteristics of the blade to match the preset working conditions.

[0038] Specifically, the multi-segment hole design includes several small holes arranged radially or circumferentially, while the locking pin 7 consists of a pin body with external threads and its fastening nut. During assembly, the locking pin 7 is passed through the appropriate hole segments in sequence and tightened with the nut to complete the fixation, thus providing technical support for different inertial mass requirements during vibration.

[0039] like Figure 2As shown, in one embodiment, the elastic element 13 of the landscaping maintenance device of this application is implemented in the form of a helical spring or a leaf spring. The elastic element 13 is connected between the lower end of the vibration transmission rod 2 and the lawnmower blade 1, used to transmit vibration force and provide a buffering effect. Its two ends are fixedly connected to the vibration transmission rod 2 and the lawnmower blade 1 respectively. Users can replace the elastic element 13 with one of different stiffness coefficients according to different working conditions to adapt to the requirements of different operating conditions. This design allows the vibration system parameters of the device to be flexibly adjusted according to the actual working environment.

[0040] Furthermore, the stiffness adjustment of the elastic element 13 is mainly achieved by changing its material properties and structural dimensions, such as adjusting the wire diameter, number of coils, or thickness of the leaf spring. For example, in practical implementation, a helical spring with a specific stiffness value can be selected to replace the original leaf spring structure, allowing it to be directly installed in the original position without additional modifications to the connections of other components. Through these methods, the convenience and stability of the device during assembly and replacement are ensured.

[0041] like Figure 3 As shown, in one embodiment, the vibration transmission rod 2 of the landscaping maintenance device of this application has a special design structure. The vibration transmission rod 2 includes a hollow structural part and a built-in adjusting rod 8. The effective working length of the vibration transmission rod 2 can be flexibly adjusted through the length adjustment function of the adjusting rod 8. This design provides more possibilities for the power transmission characteristics of the device. The built-in adjusting rod 8 is located inside the hollow structural part and works with it to achieve linear sliding motion, thereby adapting to different requirements for power intensity and vibration frequency range in actual operation. By changing the effective extension or retraction amount of the adjusting rod 8, key operating parameters of the system, such as the excitation frequency in the resonant state, can be precisely fine-tuned.

[0042] For example, this can be accomplished through machining. Specifically, the hollow part of the vibration transmission rod 2 is made of aluminum alloy, and its inner wall is provided with precision guide grooves to ensure that the adjusting rod 8 moves stably along the predetermined axis. At the same time, the outer end of the adjusting rod 8 is reliably fixed to the hollow part by fastening screws or other locking components to prevent accidental displacement or detachment, thereby completing the functional positioning and installation matching of the overall component.

[0043] like Figure 1As shown, in one embodiment, the support base 3 of the landscaping maintenance device of this application is provided with height-adjustable feet 9. The height of the working surface of the entire device can be changed by adjusting the height of the feet 9 to meet different operational needs. Specifically, the height-adjustable feet 9 are mounted on the bottom of the support base 3 and are in direct contact with the ground. Internally, they contain a screw structure, and the screw is connected to the support base 3 via a helical joint. The lifting function is achieved by screwing the screw in or out. This design allows the support base 3 to be adjusted to a height suitable for different terrains and operational requirements.

[0044] For example, a through hole can be pre-drilled at the bottom of the support base 3, through which one end of the screw can be passed, and the other end can be equipped with a fixing washer or similar component to ensure stability. At the same time, a protective sleeve can be fitted over the screw to enhance durability and ease of operation, and rotating the screw during adjustment can continuously adjust the height of the entire device, thereby ensuring that the working surface of the mowing blade 1 always meets the actual needs.

[0045] like Figure 4 As shown, in one embodiment, the support base 3 of the landscaping maintenance device of this application is further provided with an additional counterweight plate 10 to enhance the stability of the equipment during operation. The additional counterweight plate 10 is located at the bottom of the support base 3 and is detachably connected by magnetic attraction. This installation method allows the additional counterweight plate 10 to be freely assembled or removed according to specific working conditions, thereby directly affecting the center of gravity distribution and vibration resistance of the overall system. Since the additional counterweight plate 10 directly increases the weight of the support base 3, its mass distribution characteristics can significantly improve the overturning resistance and stability of the entire device.

[0046] Structurally, the additional counterweight plate 10 is mainly made of high-strength metal material, with uniformly dispersed mass blocks 11 machined on its surface to adjust the magnetic strength and the matching degree of the contact surface with the support base 3. To achieve a stable connection, a suitable magnetic connection interface is pre-set at the bottom of the support base 3, ensuring a firm adsorption while retaining the ability to be quickly installed and removed during actual use.

[0047] For example, when enhanced device stability is required, the additional counterweight 10 can be aligned close to the bottom of the support base 3 and magnetically joined, after which the device can be placed on the working surface for operation. In this case, the additional counterweight 10 effectively suppresses resonance caused by vibration through its increased mass, improving system reliability. Specifically, this technical solution achieves functional integration and efficient application of the additional counterweight 10 through meticulous optimization of the magnetic material and structural design.

[0048] In one embodiment, the vibration exciter 4 of the landscaping maintenance device of this application employs a dual-frequency excitation module and is equipped with a variable electrical parameter control unit. Different excitation frequencies are set by changing the configuration of the electrical characteristics. The vibration exciter 4 is located on top of the support base 3 and connected to the upper end of the vibration transmission rod 2. Its function as a power source is to transmit periodic excitation force to the vibration transmission rod 2. The variable electrical parameter control unit consists of adjustable capacitors, inductors, and other components. These components can be manually set to form two independent sets of resonance conditions, thereby generating two different excitation frequencies. By adjusting the specific parameter values ​​of the electrical parameter control unit, the vibration exciter 4 can adapt to vibration requirements under different vegetation densities or ground conditions.

[0049] For example, dual independent signal generator circuits are integrated inside the vibration exciter 4, each driving a corresponding electromagnetic coil assembly to generate two sets of mechanical vibrations with preset frequencies. These two frequencies can be manually selected by rotating a knob, and the adjustment information from the knob is transmitted to the circuit controller to configure the electrical parameters. At this time, the support base 3 serves to stably fix the entire excitation system, while ensuring that the dual-frequency output can accurately transmit power to the lower components via the vibration transmission rod 2. Furthermore, by combining the characteristics of the elastic element 13 and the variable mass block 11, the requirement for resonance matching in multi-frequency modes is further realized.

[0050] like Figure 4 As shown, in one embodiment, the landscaping maintenance device of this application achieves structural optimization through a specific installation form and power transmission path of the vibration exciter 4. The vibration exciter 4, as the main power source of the device, is located on top of the support base 3 and can stably provide initial vibration force. The power of the exciter is transmitted to the vibration transmission rod 2 via the coupling 14, thereby driving the lawnmower blade 1 to vibrate. The coupling 14 not only undertakes the task of power transmission but also has a key design feature—the ability to compensate for angular displacement, ensuring smooth power transmission even with minor deviations during installation and use. Furthermore, the positional design of the coupling 14 connecting the vibration exciter 4 and the vibration transmission rod 2 has been carefully considered to avoid unnecessary torque interference and ensure power efficiency.

[0051] Specifically, the coupling 14 can be a universal coupling 14 or a diaphragm coupling 14, or other components with angular displacement compensation characteristics. These couplings 14, through internal elastic elements 13 or special mechanical structures, ensure that angular differences between the two shafts do not affect operational stability. For example, when a universal coupling 14 is selected, its cross shaft mates with the connecting flange, allowing adjustment of the relative angle between the input and output shafts within a certain range, thereby ensuring accurate and reliable power transmission between the vibration exciter 4 and the vibration transmission rod 2.

[0052] like Figure 3As shown, in one embodiment, a scale indicator 15 is provided on the outside of the adjusting screw sleeve 5 of the landscaping maintenance device of this application. The scale indicator 15 is fixedly connected to or integrated with the adjusting screw sleeve 5, and is located on the outside of the adjusting screw sleeve 5 and close to the support base 3. This design allows the scale indicator 15 to move synchronously with the rotation of the adjusting screw sleeve 5. The main function of the scale indicator 15 is to provide intuitive reference information, with data markings indicating the effective rod length and corresponding frequency range. The data markings are obtained through experiments or simulations and are pre-printed or engraved on the surface of the indicator. When the user rotates the adjusting screw sleeve 5, they can directly read the current vibration parameter information from the scale indicator 15 and then adjust it to the desired state.

[0053] Specifically, the scale indicator 15 consists of a ring of values, divided into two corresponding areas: one side indicates the effective length of the vibration transmission rod 2 formed after the adjusting sleeve 5 is rotated, and the other side lists the expected vibration frequency range of the device under corresponding conditions. To achieve this function, the coaxiality between the adjusting sleeve 5 and the scale indicator 15, as well as the reliability of their fixed connection structure, must be ensured during assembly. For example, the assembly can be achieved by screw fixing or nested engagement, while the indicator is installed on the outside of the adjusting sleeve 5 near the user's operating direction for easy reading and use.

[0054] like Figure 4 As shown, in one embodiment, the vibration transmission rod 2 of a landscaping maintenance device of this application further reduces vibration noise at high frequencies through a specific structural arrangement. To achieve this, damping pads 16 are provided around the connection point between the support base 3 and the vibration transmission rod 2. This design can effectively absorb and mitigate high-frequency vibrations. The damping pads 16 are installed around the outside of the vibration transmission rod 2, forming a stable vibration isolation layer by closely fitting the contact surface of the support base 3 and the surface of the vibration transmission rod 2. In addition, the damping pads 16 are typically made of materials with high damping characteristics, such as elastomers or composite materials, which can improve vibration isolation performance without changing the overall layout of the original device.

[0055] Specifically, the damping pad 16 can be installed in the connection area between the support base 3 and the vibration transmission rod 2 using bolts or a snap-fit ​​structure, ensuring a stable mechanical connection between it and both. For example, during manufacturing, corresponding mounting holes can be pre-drilled for the damping pad 16, and the outer surface of the vibration transmission rod 2 and the inner wall of the support base 3 can be locally smoothed to ensure the accuracy and firmness of the mating surfaces. Simultaneously, by appropriately selecting the thickness and size range of the pad, it can maintain good damping performance under different working conditions without affecting the functionality of the overall structure.

[0056] like Figure 3As shown, in one embodiment of the landscaping maintenance device of this application, in order to achieve a flexible connection between the lawnmower blade 1 and the vibrating transmission rod 2, while ensuring the stability of the overall operation, the connection between the lawnmower blade 1 and the vibrating transmission rod 2 is designed as a ball-joint type connection assembly 17. Specifically, this ball-joint type connection assembly 17 is installed between one end of the lawnmower blade 1 and the lower end of the vibrating transmission rod 2. With this design, even if the external force changes or special working conditions occur, the lawnmower blade 1 can freely adjust its vibration direction within a specific angle range without compromising the overall structural stability. In addition, the assembly is usually composed of a spherical hinge and a corresponding matching groove component to ensure that the connection can withstand a certain range of spatial degree of freedom changes.

[0057] For example, this feature can be achieved by fixing a ball-head component to the lower end of the vibratory transmission rod 2 and connecting one end of the mowing blade 1 to a fixed component with a grooved structure. The inner surface of the groove is smooth and fits tightly with the ball-head component to reduce frictional loss during movement. In addition, the ball-head component can be fixed by a preload spring or other similar structure to prevent it from coming loose due to excessive vibration amplitude. In this way, the above connection method can meet the intended functional requirements.

[0058] In actual operation, when this device is in use, the resonant frequency of the mowing blade 1 is controllably adjusted via the elastic element 13. Simultaneously, the mass block 11 alters the vibration inertia, and the center of gravity is adjusted using the positioning hole 12 structure 12 to adapt to different operational needs. After the vibration exciter 4 is activated, it provides initial vibration force to the vibration transmission rod 2, which transmits the power to the mowing blade 1, causing it to vibrate effectively to cut weeds. The support base 3 serves to fix and support the entire device, ensuring stability during operation. Meanwhile, the adjusting screw sleeve 5 installed below the vibration transmission rod 2 can adjust the effective length of the vibration transmission rod 2, thereby matching suitable vibration frequencies and optimizing overall performance.

[0059] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to this application is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another.

[0060] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0061] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A landscaping maintenance device, characterized by, include: A grass-cutting blade (1) is used to cut weeds; wherein, the grass-cutting blade (1) has multiple sets of positioning holes (12); The vibration transmission rod (2) is fixedly connected at its lower end to the grass-cutting blade (1), and the connection is provided with a replaceable elastic element (13); The support base (3) is connected at the top to the middle of the vibration transmission rod (2) and is used to fix and support the entire device; The vibration exciter (4) is installed on the top of the support base (3) and its lower end is connected to the vibration transmission rod (2); An adjusting screw sleeve (5) is fitted onto the lower end of the vibration transmission rod (2); wherein, The multiple sets of positioning holes (12) are equipped with locking pins (7) that can change position. The locking pins (7) are fitted with mass blocks (11), and the mass blocks (11) include multiple sets of detachable counterweight rings (6).

2. The garden maintenance device according to claim 1, characterized in that: The vibration transmission rod (2) includes a hollow structure and an adjustment rod (8) built into it. The adjustment rod (8) can slide within the hollow structure to change the effective length to fine-tune the vibration frequency range.

3. The device according to claim 1, characterized in that: The support base (3) is provided with height-adjustable feet (9), which are raised and lowered by a screw structure.

4. The garden maintenance device according to claim 1, characterized in that: The support base (3) includes an additional counterweight plate (10), which is connected to the bottom of the support base (3) by magnetic attraction.

5. The device according to claim 1, characterized in that: The output power of the vibration exciter (4) drives the vibration transmission rod (2) via the coupling (14) to compensate for the angular displacement generated by the vibration.

6. The garden maintenance device according to claim 1, characterized in that: The adjusting screw sleeve (5) is provided with a scale indicator (15) on the outside. By rotating the adjusting screw sleeve (5), the current effective rod length and its corresponding expected vibration frequency range can be read.

7. A landscaping maintenance device according to claim 1, characterized in that: The vibration transmission rod is connected to the support base (3) and is surrounded by shock-absorbing pads (16) to reduce the noise of high-frequency vibration.

8. The garden maintenance device according to claim 1, characterized in that: The connection between the mowing blade (1) and the vibration transmission rod (2) is provided with a ball joint type connection assembly (17).

9. The device according to claim 1, characterized in that: The elastic element (13) is a helical spring and is sleeved on the outside of the ball joint type connection assembly (17).

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