Macadamia pruning device

Abstract

This utility model discloses a macadamia nut pruning device, including a clamping structure installed on the trunk and a lifting pruning structure set on the ground. A connecting plate is fixed to one side of the clamping structure, and an angle adjustment plate is hinged to the connecting plate via a pin. A compass is coaxially mounted on the connecting plate and the pin. A directional guide rod is fixedly installed on the free end of the angle adjustment plate, and a ground nail driven into the ground is connected to the free end of the directional guide rod. A sliding sleeve is slidably fitted onto the directional guide rod. The lifting pruning structure is set on the ground, and its bottom is connected to the sliding sleeve. The lifting pruning structure moves along the directional guide rod via the sliding sleeve. By setting up the clamping structure and the compass in conjunction with the angle fixing plate, the directional angle can be determined when pruning different fruit trees. The ventilation windows pruned on each fruit tree face a basically consistent direction, resulting in similar ventilation effects for each tree, which is beneficial for unified management and ensuring yield.

Description

Technical Field

[0001] This utility model relates to the field of fruit tree pruning technology. Specifically, it relates to a macadamia nut pruning device. Background Technology

[0002] Macadamia trees are tall, characterized by abundant branching and dense canopies. Poor internal ventilation, particularly in the inner branches, leads to flower and fruit drop, reducing yield. Macadamia trees can reach 5-15 meters in height. Conventional pruning involves manual labor, with workers climbing the tree and using tools to create ventilation openings. This method is labor-intensive, dangerous, and inefficient. Furthermore, the close proximity to the tree makes it difficult to assess the overall effect of the pruning and maintain proper tree shape. When pruning multiple trees in an orchard, it's impossible to ensure that all ventilation openings face the same direction, resulting in inconsistent ventilation. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to provide a macadamia nut pruning device that improves the ventilation effect of pruning and makes the ventilation effect of fruit trees in the orchard uniform.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a macadamia nut pruning device, comprising a clamping structure installed on the trunk and a lifting pruning structure set on the ground. A connecting plate is fixed to one side of the clamping structure. An angle adjustment plate is hinged to the connecting plate by a pin. A compass is coaxially mounted on the connecting plate and the pin. A directional guide rod is fixedly installed on the free end of the angle adjustment plate. A fixing nail driven into the ground is connected to the free end of the directional guide rod. A sliding sleeve is slidably fitted on the directional guide rod. The lifting pruning structure is set on the ground. The bottom of the lifting pruning structure is connected to the sliding sleeve. The lifting pruning structure moves along the directional guide rod through the sliding sleeve.

[0005] In the aforementioned macadamia nut pruning device, an angle fixing plate is coaxially mounted on the connecting plate with the pin. The angle fixing plate has an arc-shaped groove with the pin's axis. The angle adjusting plate has a through hole. A bolt is inserted into the arc-shaped groove, and the other end of the bolt passes through the through hole on the angle adjusting plate.

[0006] In the aforementioned macadamia nut pruning device, an angle fixing plate is coaxially mounted on the connecting plate with the pin. The angle fixing plate has an arc-shaped groove with the pin's axis. The angle adjusting plate has a through hole. A bolt is inserted into the arc-shaped groove, and the other end of the bolt passes through the through hole on the angle adjusting plate.

[0007] In the aforementioned macadamia nut pruning device, the angle fixing plate is provided with angle markings along its circumference, and the angle adjustment plate is provided with an observation window, which is located on the circumference of the angle markings.

[0008] In the aforementioned macadamia nut pruning device, the free end face of the angle adjustment plate is provided with a threaded hole along its length, and the end of the directional guide rod is provided with an external thread along its length. The end of the directional guide rod is threadedly connected to the threaded hole on the free end of the angle adjustment plate.

[0009] In the aforementioned macadamia nut pruning device, a rotating disk is rotatably mounted on the sliding sleeve, and the rotating disk is fixedly connected to the bottom of the lifting and pruning structure.

[0010] The aforementioned macadamia nut pruning device includes a lifting and pruning structure comprising a base plate, a lifting frame, and an upper platform plate. The lifting frame is mounted on the surface of the base plate, and the upper platform plate is mounted on the lifting frame. A pressure plate is connected to the surface of the upper platform plate by locking bolts. The body of the electric saw is pressed against the upper platform plate by the pressure plate, and the cutting part of the electric saw extends outward from the upper platform plate.

[0011] The aforementioned macadamia nut pruning device has telescopic arms at each of the four corners of the base plate, and casters are installed at the ends of the telescopic arms.

[0012] In the aforementioned macadamia nut pruning device, the end of the telescopic arm is hinged to the base plate.

[0013] The aforementioned macadamia nut pruning device includes a clamping structure comprising a fixed rod, a hinged rod, and a tightening band. Both ends of the fixed rod are hinged to hinged rods. One end of the tightening band is fixedly connected to the end of the first hinged rod, and the other end of the tightening band is connected to the end of the second hinged rod.

[0014] In the aforementioned macadamia nut pruning device, a tensioner is installed on the end of the second hinged rod, and the end of the tightening band passes through the tensioner.

[0015] The technical solution of this utility model has achieved the following beneficial technical effects:

[0016] By setting up a clamping structure, along with an angle adjustment plate and guide rods, pruning can be carried out sequentially around the circumference of the tree trunk. This effectively locks the pruning area within a specific angle range each time, facilitating control over the overall pruning intensity. By using a compass in conjunction with the angle fixing plate, the directional angle can be determined when pruning different fruit trees. The ventilation windows pruned on each tree generally face the same direction, ensuring similar ventilation effects for each tree, which is beneficial for unified orchard management and guarantees yield. Attached Figure Description

[0017] Figure 1 Top view of the structure of this utility model;

[0018] Figure 2 A partial side view of the connection between the connecting plate, compass, and angle adjustment plate of this utility model;

[0019] Figure 3 A side view of the lifting and trimming structure of this utility model;

[0020] Figure 4 A top view of the fruit tree pruning method described in this utility model.

[0021] The reference numerals in the diagram are as follows: 1-Clamping structure; 1-1-Fixing rod; 12-Hinged rod; 13-Tightening belt; 2-Angle adjustment plate; 3-Angle fixing plate; 4-Arc groove; 5-Connecting plate; 6-Compass; 7-Guiding rod; 8-Lifting and trimming structure; 81-Base plate; 82-Lifting frame; 83-Upper platform plate; 84-Electric saw; 85-Pressure plate; 86-Locking bolt; 87-Telescopic arm; 9-Observation window; 10-Sliding sleeve; 11-Rotating disc. Detailed Implementation

[0022] The macadamia nut pruning device in this embodiment, such as Figure 1-2 As shown, it includes a clamping structure 1 and a lifting and pruning structure 8. The clamping structure 1 is clamped to the tree trunk, and the lifting and pruning structure 8 is set on the ground. A connecting plate 5 is fixed to one side of the clamping structure 1. An angle adjusting plate 2 is hinged to the connecting plate 5 by a pin. A compass 6 is installed on the connecting plate 5 coaxially with the pin. An angle fixing plate 3 is installed on the connecting plate 5 coaxially with the pin. The angle fixing plate 3 is a circular or fan-shaped angle ruler. An arc groove 4 is opened on the angle fixing plate 3 with the pin axis. A through hole is opened on the angle adjusting plate 2. A bolt is inserted into the arc groove 4. The other end of the bolt passes through the through hole on the angle adjusting plate 2. The angle adjusting plate 2 is pressed onto the angle fixing plate 3 by the bolt.

[0023] like Figure 1 As shown, the angle fixing plate 3 has angle markings along its circumference, and the angle adjustment plate 2 has an observation window 9 located on the circumference of the angle markings. By setting the angle markings and using the compass 6, the current orientation can be obtained, enabling directional trimming.

[0024] like Figure 1As shown, a directional guide rod 7 is fixedly installed on the free end of the angle adjustment plate 2, and a fixing nail driven into the ground is connected to the free end of the directional guide rod 7; a sliding sleeve 10 is slidably fitted on the directional guide rod 7, and the lifting and trimming structure 8 is set on the ground. A rotating disk 11 is rotatably installed on the sliding sleeve 10, and the rotating disk 11 is fixedly connected to the bottom of the lifting and trimming structure 8. The lifting and trimming structure 8 moves along the directional guide rod 7 through the sliding sleeve 10, and the lifting and trimming structure 8 achieves directional movement through the directional guide rod 7. During trimming, it can limit the trimming range and achieve directional trimming of the ventilation window.

[0025] like Figure 1 As shown, a threaded hole is provided on the free end face of the angle adjustment plate 2 along its length direction, and an external thread is provided on the end of the directional guide rod 7 along its length direction. The end of the directional guide rod 7 is threadedly connected to the threaded hole on the free end of the angle adjustment plate 2.

[0026] like Figure 3 As shown, the lifting and trimming structure 8 includes a base plate 81, a lifting frame 82, and an upper platform plate 83. The lifting frame 82 is installed on the surface of the base plate 81, and the upper platform plate 83 is installed on the lifting frame 82. A pressure plate 85 is connected to the surface of the upper platform plate 83 by locking bolts 86. The body of the electric saw 84 is pressed onto the upper platform plate 83 by the pressure plate 85. The cutting part of the electric saw 84 extends outward from the upper platform plate 83. The electric saw 84 can be adjusted to the required angle to be installed on the upper platform plate 83 as needed, and is not limited to the installation angle shown in the figure, to meet different needs. Telescopic arms 87 are provided at the four corners of the base plate 81. The telescopic arms 87 can increase the support area and improve stability. The ends of the telescopic arms 87 are hinged to the base plate 81 by hinges with locking structures. Universal wheels are installed on the ends of the telescopic arms 87. The telescopic arms 87 can be folded and retracted to the lower part of the base plate 81 for easy transportation.

[0027] In this embodiment, the lifting and trimming structure 8 is the same as the structure of the scissor lift in the prior art to achieve the lifting function. The lifting frame 82 is driven by a motor to lift and lower, thereby driving the electric saw 84 to move up and down. With the help of the sliding sleeve 10 that can move along the guide rod 7 and the rotating disk 11, the lifting and trimming structure 8 can adjust the angle and height of the electric saw 84.

[0028] like Figure 1 As shown, the clamping structure 1 includes a fixed rod 1-1, a hinged rod 12, and a tightening strap 13. Both ends of the fixed rod 1-1 are hinged to the hinged rod 12. One end of the tightening strap 13 is fixedly connected to the end of the first hinged rod 12. A tensioner is installed on the end of the second hinged rod 12. The other end of the tightening strap 13 is inserted into the tensioner.

[0029] When pruning, determine the direction to be pruned so that the ventilation windows created by the pruning face the wind direction. This improves ventilation while preserving as many fruit tree branches as possible, minimizing the impact on fruit yield. Figure 4 As shown, after measurement, 30° ventilation windows were pruned along the trunk to both sides with the south-facing center of the canopy. Airflow can enter the canopy through the ventilation windows, effectively ventilating the inner branches while preserving the surrounding branches.

[0030] In specific operation, first, attach the fixed rod 1-1 and hinge rod 12 to the tree trunk. Then, pull the tightening strap 13 around the tree trunk and insert its end into the tensioner at the end of the hinge rod 12. Operate the tensioner to pre-tighten the tightening strap 13, ensuring that the fixed rod 1-1 is attached to the tree trunk and can rotate along the trunk for easy adjustment of the orientation angle. Observe the compass 6 to obtain the current direction, and rotate the clamping structure 1 so that the fixed rod 1-1 faces the direction to be pruned, and the angle adjustment plate 2 is in the middle position of the angle fixing plate 3 facing the pruning direction. Operate the tensioner to tighten the tightening strap 13, so that the entire clamping structure 1 is clamped to the tree trunk. Taking a ventilation window that needs to be pruned at 30° as an example, push the angle adjustment plate 2 to one side and observe the angle markings to swing the angle adjustment plate 2 15° to the left. Then, lock the angle adjustment plate 2 and the angle fixing plate 3 with bolts to achieve orientation and angle setting. Pass the directional guide rod 7 through the sliding sleeve 10 and then... The adjustment plate 2 is connected, and the guide rod 7 extends along the direction of the angle adjustment plate 2. The end of the guide rod 7 is fixed with ground nails. The angle of the electric saw 84 is set as needed, such as horizontal, vertical or inclined installation. The specific form of the pressure plate 85 and locking bolt 86 is adjusted as needed to fix the electric saw 84. The lifting frame 82 is driven by the motor to rise and fall, which drives the upper platform plate 83 and the electric saw 84 to move. A handrail is installed on the bottom plate 81. The operator holds the handrail to adjust the angle position of the lifting and pruning structure 8. As the electric saw 84 moves up and down, the operator adjusts the specific position manually to prune the branches. After the current angle is finished in the height direction, the angle adjustment plate 2 is released and the ground nail is pulled out. The angle is adjusted to the right and fixed again. Then the same method is used to prune until the rightward tilt is pruned to a position of 30°. When the tree crown is pruned to create a ventilation window facing the wind, the pruning is completed. Then the device is disassembled to carry out subsequent pruning operations on the fruit trees.

[0031] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of the claims of this patent application.

Claims

1. A macadamia pruning device characterised by, The structure includes a clamping structure (1) installed on the tree trunk and a lifting and pruning structure (8) set on the ground. A connecting plate (5) is fixed on one side of the clamping structure (1). An angle adjustment plate (2) is hinged to the connecting plate (5) by a pin. A compass (6) is installed on the connecting plate (5) coaxially with the pin. A directional guide rod (7) is fixedly installed on the free end of the angle adjustment plate (2). A ground nail driven into the ground is connected to the free end of the directional guide rod (7). A sliding sleeve (10) is slidably fitted on the directional guide rod (7). The lifting and pruning structure (8) is set on the ground. The bottom of the lifting and pruning structure (8) is connected to the sliding sleeve (10). The lifting and pruning structure (8) moves along the directional guide rod (7) through the sliding sleeve (10).

2. A macadamia pruning device according to claim 1, characterised in that, An angle fixing plate (3) is installed on the connecting plate (5) coaxially with the pin. An arc groove (4) is opened on the angle fixing plate (3) with the pin axis. A through hole is opened on the angle adjusting plate (2). A bolt is inserted into the arc groove (4), and the other end of the bolt passes through the through hole on the angle adjusting plate (2).

3. A macadamia pruning device according to claim 2, characterised in that, Angle markings are provided on the angle fixing plate (3) along its circumference, and an observation window (9) is provided on the angle adjusting plate (2), which is located on the circumference of the angle markings.

4. The macadamia pruning device of claim 1, wherein, The angle adjustment plate (2) has a threaded hole along its length on its free end face, and the guide rod (7) has an external thread along its length on its end. The end of the guide rod (7) is threaded into the threaded hole on the free end of the angle adjustment plate (2).

5. The macadamia pruning device of claim 1, wherein, A rotating disk (11) is rotatably mounted on the sliding sleeve (10), and the rotating disk (11) is fixedly connected to the bottom of the lifting and trimming structure (8).

6. A macadamia pruning device according to claim 5, characterised in that, The lifting and trimming structure (8) includes a base plate (81), a lifting frame (82), and an upper platform plate (83). The lifting frame (82) is installed on the surface of the base plate (81), and the upper platform plate (83) is installed on the lifting frame (82). A pressure plate (85) is connected to the surface of the upper platform plate (83) by locking bolts (86). The body of the electric saw (84) is pressed onto the upper platform plate (83) by the pressure plate (85), and the cutting part of the electric saw (84) extends outward from the upper platform plate (83).

7. A macadamia pruning device according to claim 6, characterised in that, Telescopic arms (87) are provided at the four corners of the base plate (81), and universal wheels are installed at the ends of the telescopic arms (87).

8. The macadamia nut pruning device according to claim 7, characterized in that, The end of the telescopic arm (87) is hinged to the base plate (81).

9. The macadamia pruning device of claim 1, wherein, The clamping structure (1) includes a fixed rod (1-1), a hinge rod (12), and a tightening band (13). Both ends of the fixed rod (1-1) are hinged with hinge rods (12). One end of the tightening band (13) is fixedly connected to the end of the first hinge rod (12), and the other end of the tightening band (13) is connected to the end of the second hinge rod (12).

10. The macadamia nut pruning device according to claim 9, characterized in that, A tensioner is installed on the end of the second hinge rod (12), and the end of the tightening band (13) is inserted into the tensioner.

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