Pruning device for landscaping

Abstract

The utility model relates to a trimming device for landscaping, which comprises a movable frame, a swing arm, a mower and a first motor, one end of the swing arm is hinged to the front end of the movable frame through a vertical shaft, the first motor is arranged on the frame and is in transmission connection with the vertical shaft, and the other end of the swing arm is provided with the mower; the first motor drives the swing arm to swing in a reciprocating mode, and the weeding coverage area and efficiency are greatly improved. In addition, the swing arm can also be in a static state and can be selected according to the greening environment, three horizontally-arranged circular discs are arranged on the mower, a weeding cutter is installed on each disc, the weeding amount is remarkably increased, the three circular discs can rotate along an inner shaft due to the arrangement of the inner shaft and a Y-shaped frame, the angle can be automatically adjusted when the mower encounters an obstacle, and the weeding effect is improved. The weeding knife is effectively prevented from being damaged, and the adaptability and durability of the device are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of greening maintenance, in particular to a pruning device for garden greening. Background Art

[0002] With the improvement of urban and rural living environments, greening construction has become increasingly important in urban planning and rural beautification. In order to maintain its beauty, greening needs to be regularly maintained, including lawn mowing, garden weeding, green wall shaping and other tasks. Existing greening pruning equipment includes:

[0003] Handheld lawn mowers, lawn mowers, and garden shears, among others, offer high flexibility and precision, adapting to complex terrain and varying landscaping needs. However, using handheld equipment requires significant physical effort, leading to operator fatigue. Remote-controlled lawn mowers and automated weed removers, for example, can travel autonomously, alleviating the operator's physical burden. However, these remote-controlled vehicles are limited in their use cases and typically require specialized design for specific types of landscaping (such as lawns, bushes, and green walls), requiring different pruning and weeding equipment. This makes them difficult to adapt to diverse landscaping environments.

[0004] Therefore, it is necessary to design a pruning device that can save manpower, efficiently remove weeds and adapt to various greening types. Utility Model Content

[0005] In order to overcome the shortcomings of the above-mentioned prior art, the technical problem of the present invention is to provide a gardening pruning device that is efficient, flexible, highly adaptable and low in cost.

[0006] The mower is mounted on a transmission mechanism, the transmission mechanism being a top end of the motor, the bottom end of the motor being mounted on the transmission mechanism, the transmission mechanism comprising: a first motor, a second motor, and a second motor; a second motor being mounted on the transmission mechanism, the second motor being mounted on the transmission mechanism, the second motor being mounted on the transmission mechanism, the second motor being

[0007] It is further explained that the weeding knife is a metal knife or a nylon rope.

[0008] Further description, the swing arm includes a first arm and a second arm, the first arm is provided with a vertical slotted hole, the second arm is provided with a screw, and the first arm and the second arm are adjustably connected via a screw and a nut.

[0009] Further description is given, the edge of the circular disk is formed with a vertical rib extending downward.

[0010] Further description, the mobile frame includes a carriage and wheels, an inclined plate and a grass rolling wheel are provided at the bottom of the carriage, a long through hole is opened at the bottom of the carriage, the lower end of the inclined plate is close to the ground, and the upper end is connected to the bottom of the long through hole, and the grass rolling wheel is close to the lower end of the inclined plate.

[0011] It is further explained that the wheel includes a hub and a plurality of support plates arranged circumferentially around the outer ring of the hub.

[0012] It is further explained that a camera is provided on the front side of the frame and obstacle avoidance radars are provided around it.

[0013] The beneficial effects of the utility model are:

[0014] 1. This utility model uses a first motor to drive a swing arm to swing back and forth, significantly increasing the coverage area and efficiency of weeding and trimming. Furthermore, the swing arm can also be stationary, allowing for selection based on the landscape environment. By equipping the mower with three horizontally arranged circular discs, each equipped with a weeding blade, the weeding capacity is significantly increased. The inner shaft and Y-shaped frame allow the three discs to rotate along the inner shaft, automatically adjusting their angles when encountering obstacles, effectively preventing damage to the weeding blades and enhancing the adaptability and durability of the device.

[0015] 2. The weeding blade of this utility model can be equipped with either a metal blade or a nylon rope, increasing the device's adaptability. The metal blade is suitable for hard lawns and shrubs, effectively cutting them; the nylon rope is suitable for soft lawns and short plants, avoiding damage to plant roots. This dual option allows the device to adapt to different hardness and types of greenery, improving flexibility and efficiency in weeding.

[0016] 3. The adjustable connection between the first and second arms allows operators to flexibly adjust the length and angle of the swing arm according to the height and shape of the different greening areas. This design enhances the adaptability of the device, allowing it to cope with various complex terrains and greening requirements, and improves the convenience and efficiency of operation.

[0017] 4. In addition, the vertical edge of the circular disc can effectively prevent grass clippings from flying during weeding, avoiding the impact on the surrounding environment and operators.

[0018] 5. This utility model uses a tilting plate and grass-rolling wheel design at the bottom of the carriage to automatically roll grass clippings generated during weeding into the carriage, eliminating the need for manual cleaning. This automatic cleaning design improves work efficiency, reduces operator labor intensity, and makes the weeding process smoother and neater.

[0019] In addition, the wheels use hubs and support plates to increase the wheel support area and stability, making the equipment run more smoothly on complex terrain and uneven ground, reducing bumps and shaking. The support plates can also reduce damage to the lawn.

[0020] Furthermore, by installing cameras and obstacle avoidance radar on the mobile frame, the device can perceive its surroundings in real time, automatically identifying and avoiding obstacles. This intelligent obstacle avoidance function not only improves the safety and reliability of the device, but also reduces misjudgments and errors caused by human operators, making the weeding process more intelligent and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0022] Figure 2 This is a structural diagram of a lawn mower according to the present invention.

[0023] Figure 3 This is a structural diagram of the swing arm and the first vertical axis motor of the utility model.

[0024] Figure 4 This is a structural diagram of the utility model from another perspective.

[0025] Markings in the accompanying drawings: 1: mobile frame, 11: carriage, 12: wheel, 12a: support plate, 13: long through hole, 2: swing arm, 21: first arm, 22: second arm, 23: vertical axis, 3: lawn mower, 31: pipe shaft, 32: second motor, 33: first pulley, 34: inner shaft, 35: Y-shaped frame, 36: circular disk, 36a: vertical side, 37: middle shaft, 38: second pulley, 39: weeding blade, 4: first motor, 5: tilting plate, 6: grass rolling wheel, 7: camera, 8: obstacle avoidance radar, 9: battery. DETAILED DESCRIPTION

[0026] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the present invention are shown. However, the present invention can be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and will fully convey the scope of the invention to those skilled in the art.

[0027] likeFigures 1-3 The gardening pruning device shown includes a mobile frame 1, a swing arm 2, a lawn mower 3 and a first motor 4, wherein one end of the swing arm 2 is hinged to the front end of the mobile frame 1 through a vertical shaft 23, the first motor 4 is arranged on the frame, and the first motor 4 is transmission-connected to the vertical shaft 23, and the other end of the swing arm 2 is installed with the lawn mower 3, which includes a pipe shaft 31, a second motor 32, a first pulley 33, an inner shaft 34, a Y-shaped frame 35, a circular disk 36, a middle shaft 37, a second pulley 38 and a weeding blade 39. Specifically, the upper end of the pipe shaft 31 is rotatably connected to the swing arm 2 through a bearing, the lower end of the pipe shaft 31 is installed with the first pulley 33, the second motor 3 2 is mounted on the swing arm 2. The second motor 32 is connected to the tubular shaft 31 via a pulley or sprocket. An inner shaft 34 is inserted through the middle of the tubular shaft 31. The upper end of the inner shaft 34 is fixedly connected to the swing arm 2, and the lower end of the inner shaft 34 is connected to the Y-shaped frame 35 via a bearing. The ends of the three sides of the Y-shaped frame 35 are each provided with a horizontally arranged circular disk 36. A central shaft 37 is vertically inserted through the center of each circular disk 36. A bearing is provided between the central shaft 37 and the circular disk 36. A second pulley 38 is provided at the upper end of each central shaft 37. Each second pulley 38 is connected to the first pulley 33. A weeding blade 39 is provided at the lower end of the central shaft 37. The weeding blade 39 is placed at the bottom of the circular disk 36, and the circular disk 36 serves as a protective shield for the weeding blade 39.

[0028] Working principle: Drive the mobile frame 1 to the green area where weeding is required, turn on the second motor 32, and the second motor 32 drives the first pulley 33 to rotate through the tube shaft 31, and at the same time rotates through the second pulley 38 and the central shaft 37 and the weeding blade 39. When encountering obstacles during weeding, such as tree trunks and telephone poles, the circular disk 36 will first touch the obstacle, and the circular disk 36 will rotate with the inner shaft 34 as the central axis, and drive the Y-shaped frame 35 and the central shaft 37, weeding blade 39, etc. thereon to rotate at the same time, thereby crossing the obstacle and continuing to mow the grass.

[0029] When used on some flat grass, the first motor 4 can be started. The first motor 4 drives the swing arm 2 to swing left and right through the vertical shaft 23 in a reciprocating forward and reverse manner, and then drives the lawn mower 3 at the front end of the swing arm 2 to swing, which can increase the coverage area of ​​the lawn mower and improve the mowing efficiency.

[0030] When trimming the green wall, the first motor 4 can be turned off, so that the swing arm 2 and the movable frame 1 are at a fixed angle, and the movable frame 1 is driven to move along the green wall layout path to trim the green wall.

[0031] In a specific embodiment, the first motor 4 is connected to the vertical shaft 23 via a pulley transmission. The first motor 4 preferably uses a servo motor, but the first motor 4 can also be replaced with other swinging structures. In addition, the first pulley 33 can use a multi-groove pulley. Specifically, the mobile frame 1 is provided with a battery 9 and a control module. The battery 9 is used to power the mobile frame 1 and the first motor 4 and the second motor 32, and the control module is used to control each motor. In addition, the device can also be equipped with a solar charging module to provide the device with a longer battery life under sunlight conditions.

[0032] Specifically, the weeding knife 39 used by this device can be a metal knife or a nylon rope. When using a metal knife, it can be applied to the pruning of small shrubs and green walls; when using a nylon rope, it can be used to trim soft lawns.

[0033] like Figure 1 and Figure 3 As shown, in a specific embodiment, the swing arm 2 includes a first arm 21 and a second arm 22. The first arm 21 is provided with a vertical slotted hole, and the second arm 22 is provided with a screw. The first and second arms 21, 22 are adjustably connected via a screw and nut. The screw and nut connection between the first and second arms 21, 22 allows for adjustment of the height of the first arm 21, making the device more adaptable and suitable for use on lawns or taller green walls.

[0034] In a preferred embodiment, a downwardly extending vertical rib 36a is formed on the edge of the circular disk 36. The use of the vertical rib 36a can reduce the splashing of grass clippings and avoid the impact on the surrounding environment and operators.

[0035] like Figure 1 and Figure 4 As shown, the mobile frame 1 specifically comprises a carriage 11 and wheels 12. The bottom surface of the carriage 11 is provided with an elongated through-hole 13 extending therethrough. A tilting plate 5 and a grass-rolling wheel 6 are located at the bottom of the carriage 11. The lower end of the tilting plate 5 is close to the ground, and its upper end is connected to the bottom of the elongated through-hole 13. The grass-rolling wheel 6 is located near the lower end of the tilting plate 5. When the grass-rolling wheel 6 is activated, its rotation picks up grass clippings from the bottom surface it passes over and feeds them along the tilting plate 5 from the bottom of the elongated through-hole 13 into the carriage 11, thereby achieving the purpose of grass cleaning. Furthermore, the wheels 12 comprise a hub and several support plates 12a arranged circumferentially around the hub. This configuration of the wheels 12 reduces the contact area with the ground during travel, thereby reducing damage to the lawn caused by the weight of the device itself.

[0036] In addition, a camera 7 is provided on the front side of the vehicle frame and obstacle avoidance radars 8 are provided around the vehicle frame. On the one hand, real-time observation can be carried out, and on the other hand, obstacles can be identified and avoided by the camera 7 and obstacle avoidance radars 8 to reduce collisions.

[0037] The utility model discloses through above design structure, realized efficient, flexible, strong adaptability and lower cost's weeding, grass effect, solved the limitation of existing afforesting pruning equipment, satisfied the diversified afforesting pruning demand.

[0038] The above-mentioned embodiments only express the preferred embodiments of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the inventive concept, a number of deformations, improvements and substitutions can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A pruning device for landscaping, characterized by: The utility model comprises a mobile frame (1), a swing arm (2), a lawn mower (3) and a first motor (4), wherein one end of the swing arm (2) is hinged to the front end of the mobile frame (1) through a vertical shaft (23), the first motor (4) is arranged on the frame and is transmission-connected to the vertical shaft (23), the other end of the swing arm (2) is equipped with the lawn mower (3), the lawn mower (3) comprises a pipe shaft (31) and a second motor (32), the upper end of the pipe shaft (31) is rotationally connected to the swing arm (2), and the lower end is equipped with a first pulley (33), the second motor (32) is installed on the swing arm (2) and is transmission-connected to the pipe shaft ( 31) transmission connection, an inner shaft (34) is arranged in the middle of the tube shaft (31), the upper end of the inner shaft (34) is fixed to the swing arm (2), and the lower end is provided with a Y-shaped frame (35) through a bearing, and the ends of the three sides of the Y-shaped frame (35) are respectively provided with a horizontally arranged circular disk (36), and the center of each circular disk (36) is respectively vertically penetrated with a central shaft (37), and the upper end of each central shaft (37) is respectively provided with a second pulley (38), and each second pulley (38) is transmission-connected to the first pulley (33), and the lower end of the central shaft (37) is provided with a weeding knife (39).

2. The landscaping pruning device according to claim 1, characterized in that: The weeding knife (39) is a metal knife or a nylon rope.

3. The landscaping pruning device according to claim 1, characterized in that: The swing arm (2) comprises a first arm (21) and a second arm (22); the first arm (21) is provided with a vertical straight hole; the second arm (22) is provided with a screw; the first arm (21) and the second arm (22) are adjustably connected via the screw and a nut.

4. The landscaping pruning device according to claim 1, characterized in that: The edge of the circular disk (36) is formed with a vertical rib (36a) extending downward.

5. The landscaping pruning device according to any one of claims 1 to 4, characterized in that: The mobile frame (1) comprises a carriage (11) and wheels (12); an inclined plate (5) and a grass rolling wheel (6) are provided at the bottom of the carriage (11); a long through hole (13) is provided at the bottom of the carriage (11); the lower end of the inclined plate (5) is close to the ground, and the upper end is connected to the bottom of the long through hole (13); the grass rolling wheel (6) is close to the lower end of the inclined plate (5).

6. The landscaping pruning device according to claim 5, characterized in that: The wheel (12) comprises a hub and a plurality of support plates (12a) arranged circumferentially on the outer ring of the hub.

7. The landscaping pruning device according to claim 6, characterized in that: A camera (7) is provided on the front side of the vehicle frame, and obstacle avoidance radars (8) are provided on the surrounding areas.

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