Branch and leaf pruning device for fruit tree planting

Abstract

The utility model discloses a branch and leaf pruning device for fruit tree planting, which relates to the technical field of fruit tree planting and comprises a pull rod, a limit spring is mounted on the inner wall of the pull rod, an ejector rod is mounted on the outer wall of the limit spring, a connecting sleeve is mounted at the top of the pull rod, and blades are mounted on two sides of the outer wall of the connecting sleeve. Through the reset spring, the sliding sleeve, the limiting ring and the knife rest, after a worker holds the sliding sleeve by hand, aligns the blade to branches and leaves needing to be trimmed and pulls the pull rod downwards, the pull rod drives the blade to move downwards, the branches and leaves needing to be trimmed are cut by the blade when passing through the knife rest, and after the pull rod is loosened, the pull rod is jacked up through the elastic force of the reset spring; and the pull rod and the sliding sleeve are arranged, so that the cutting range of the blade is extended, a worker can trim branches and leaves at the top end of the fruit tree by standing on the ground without climbing, and the safety of fruit tree pruning operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fruit tree planting, in particular to a device for pruning branches and leaves of fruit trees. Background Art

[0002] With the development of agricultural modernization, the scale and technical requirements of fruit tree planting are constantly improving. In the process of fruit tree planting, branch and leaf pruning is an important management task. Traditional fruit tree branch and leaf pruning mainly relies on manual operation using scissors, saws and other tools. However, pruning branches and leaves at the top of the fruit tree requires climbing, which is prone to falling accidents. In addition, the existing branch and leaf pruning tools are not equipped with protective components when not in use, which is easy to cause cutting accidents. When the tool is damaged, it needs to be replaced as a whole, which is costly. In order to solve the above problems, a fruit tree planting branch and leaf pruning device is needed.

[0003] The existing fruit tree planting branch and leaf pruning device has the problems of being inconvenient to replace the pruning blade, being inconvenient to prune high branches and leaves, and being unable to provide anti-cut protection during operation. Therefore, a fruit tree planting branch and leaf pruning device is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the present utility model is to provide a fruit tree planting branch and leaf pruning device to solve the problems that the existing fruit tree planting branch and leaf pruning device is inconvenient to replace the pruning tools, inconvenient to prune high branches and leaves, and unable to provide anti-cut protection when in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a fruit tree planting branch and leaf pruning device, comprising a pull rod, a limit spring is installed on the inner wall of the pull rod, a top rod is installed on the outer wall of the limit spring, a connecting sleeve is installed on the top of the pull rod, and blades are installed on both sides of the outer wall of the connecting sleeve.

[0006] A return spring is installed on the outer wall of the pull rod, a sliding sleeve is installed on the outer wall of the pull rod, a limiting ring is installed on the inner wall of the sliding sleeve, and tool holders are installed on both sides of the outer wall of the sliding sleeve.

[0007] Both sides of the outer wall of the sliding sleeve are installed with clamping sleeves, both sides of the outer wall of the pull rod are installed with rotating shafts, the outer wall of the rotating shaft is installed with a fixing rod, and the outer wall of the fixing rod is installed with a fixing sleeve.

[0008] Preferably, the push rod forms a telescopic structure through a limit spring and a pull rod, and the side wall of the connecting sleeve is of an open hole design.

[0009] Preferably, the connecting sleeve is sleeved with the pull rod, and the connecting sleeve is snap-connected with the push rod.

[0010] Preferably, the pull rod forms a telescopic structure through a return spring and a limiting ring, and the limiting ring is movably connected to the pull rod.

[0011] Preferably, the tool holder is symmetrically arranged with the central axis of the sliding sleeve as the center, and the tool holder fits tightly with the blade.

[0012] Preferably, the fixing rod forms a rotating structure with the pull rod through a rotating shaft, and the fixing rod is symmetrically arranged with the central axis of the pull rod as the center.

[0013] Preferably, the fixing rod is snap-fitted to the clamping sleeve, and the fixing rod is threadedly connected to the fixing sleeve.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model is provided with a pull rod, a limit spring, a push rod, a connecting sleeve and a blade. The push rod is pressed inward, and then the connecting sleeve is sleeved with the top of the pull rod. After the sleeve is sleeved, the push rod is pushed out by the elastic force of the limit spring, so that the push rod and the connecting sleeve are engaged and fixed. The use of the limit spring and the push rod in combination makes it easy to replace the worn blade without replacing the entire device, thereby reducing maintenance costs.

[0016] 2. The utility model is provided with a reset spring, a sliding sleeve, a limiting ring and a knife holder. The worker holds the sliding sleeve, then aligns the blade with the branches and leaves to be pruned, and pulls the pull rod downward. The pull rod drives the blade to move downward, and the branches and leaves to be pruned are cut by the blade when they pass the knife holder. After releasing the pull rod, the pull rod is lifted up by the elastic force of the reset spring, and the blade is reset at the same time, which is convenient for continuing to prune. The setting of the pull rod and the sliding sleeve extends the cutting range of the blade, so that the worker can prune the branches and leaves at the top of the fruit tree while standing on the ground, without having to climb high, thereby improving the safety of the fruit tree pruning operation.

[0017] 3. The utility model is equipped with a clamping sleeve, a rotating shaft, a fixed rod and a fixed sleeve. When the device is stopped, the fixed rod is rotated around the rotating shaft to a suitable position so that the fixed rod and the clamping sleeve are engaged and connected. Then the fixed sleeve is rotated to fix the fixed rod and the clamping sleeve with threads. At this time, the pull rod and the sliding sleeve are stretched apart by the fixed rod, so the blade and the tool holder fit tightly to avoid the blade being accidentally touched and causing cuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model from the front;

[0019] Figure 2 This is a schematic structural diagram of the internal cross-section of the pull rod of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the internal cross-section of the sliding sleeve of the utility model;

[0021] Figure 4 This is a structural diagram showing the details of some components of the utility model.

[0022] In the figure: 1. Pull rod; 2. Limit spring; 3. Push rod; 4. Connecting sleeve; 5. Blade; 6. Return spring; 7. Sliding sleeve; 8. Limit ring; 9. Tool holder; 10. Clamping sleeve; 11. Rotating shaft; 12. Fixed rod; 13. Fixed sleeve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] The following describes an embodiment of the present invention based on its overall structure.

[0025] See also Figure 1-4 The pruning device for fruit tree branches and leaves comprises a pull rod 1, a limit spring 2 is installed on the inner wall of the pull rod 1, a push rod 3 is installed on the outer wall of the limit spring 2, a connecting sleeve 4 is installed on the top of the pull rod 1, and blades 5 are installed on both sides of the outer wall of the connecting sleeve 4. The push rod 3 forms a telescopic structure with the pull rod 1 through the limit spring 2. The side wall of the connecting sleeve 4 is an open-hole design, the connecting sleeve 4 is sleeved on the pull rod 1, and the connecting sleeve 4 is engaged with the push rod 3. Through the set pull rod 1, limit spring 2, push rod 3, connecting sleeve 4 and blade 5, the push rod 3 is pressed inward, and then the connecting sleeve 4 is sleeved on the top of the pull rod 1. After the sleeve connection is completed, the push rod 3 is pushed out by the elastic force of the limit spring 2, so that the push rod 3 is engaged and fixed with the connecting sleeve 4. The cooperation of the limit spring 2 and the push rod 3 makes it easy to replace the worn blade 5 without replacing the entire device, thereby reducing maintenance costs.

[0026] See also Figure 1-4, a fruit tree planting branch and leaf pruning device, the outer wall of the pull rod 1 is installed with a reset spring 6, the outer wall of the pull rod 1 is installed with a sliding sleeve 7, the inner wall of the sliding sleeve 7 is installed with a limit ring 8, and a knife holder 9 is installed on both sides of the outer wall of the sliding sleeve 7. The pull rod 1 forms a telescopic structure with the limit ring 8 through the reset spring 6. The limit ring 8 is movably connected to the pull rod 1. The knife holder 9 is symmetrically arranged with the central axis of the sliding sleeve 7 as the center. The knife holder 9 is tightly fitted with the blade 5. Through the reset spring 6, sliding sleeve 7, limit ring 8 and knife holder 9, the staff can hold the sliding The sleeve 7 is then put, and the blade 5 is aligned with the branches and leaves that need to be pruned, and the pull rod 1 is pulled downward. The pull rod 1 drives the blade 5 to move downward, and the branches and leaves that need to be pruned are cut by the blade 5 when they pass through the tool holder 9. After releasing the pull rod 1, the pull rod 1 is lifted up by the elastic force of the reset spring 6, and the blade 5 is also reset at the same time, which is convenient for continuing to prune. The setting of the pull rod 1 and the sliding sleeve 7 extends the cutting range of the blade 5, so that the staff can prune the branches and leaves at the top of the fruit tree while standing on the ground, without climbing, thereby improving the safety of the fruit tree pruning operation.

[0027] See also Figure 1-4 The cam 12 is fixed to the guide rail 10 and the guide rail 10 is screwed to the guide rail 10 so that the cam 12 is screwed to the guide rail 10. The cam 12 is screwed to the guide rail 10 so that the cam 12 is screwed to the guide rail 10. When the cam 12 is screwed to the guide rail 10, the guide rail 10 is screwed to the guide rail 10. When the cam 12 is screwed to the guide rail 10, the guide rail 10 is screwed to the guide rail 10.

[0028] Working principle: When in use, first move the device to the desired position, then press the top rod 3 inward, and then connect the connecting sleeve 4 with the top of the pull rod 1. After the connection is completed, the top rod 3 is pushed out by the elastic force of the limit spring 2, so that the top rod 3 is engaged and fixed with the connecting sleeve 4. The coordinated use of the limit spring 2 and the top rod 3 makes it easy to replace the worn blade 5. Then the staff holds the sliding sleeve 7, and then aligns the blade 5 with the branches and leaves that need to be pruned, and pulls the pull rod 1 downward. The pull rod 1 drives the blade 5 to move downward. When the branches and leaves that need to be pruned pass through the tool holder 9, they are cut by the blade 5. After releasing the pull rod 1, the pull rod 1 is pushed up by the elastic force of the reset spring 6, and the blade 5 is also reset at the same time, which is convenient for continuing Pruning is carried out, and the arrangement of the pull rod 1 and the sliding sleeve 7 extends the cutting range of the blade 5, so that the staff can prune the branches and leaves at the top of the fruit tree while standing on the ground without climbing. Finally, when the device is deactivated, the fixed rod 12 is rotated to a suitable position around the rotating shaft 11, so that the fixed rod 12 is engaged with the clamping sleeve 10, and then the fixed sleeve 13 is rotated to thread the fixed rod 12 and the clamping sleeve 10. At this time, the pull rod 1 and the sliding sleeve 7 are stretched apart by the fixed rod 12, so the blade 5 fits tightly with the tool holder 9 to avoid the blade 5 being accidentally touched and causing cuts. In this way, the use process of the device is completed. The content not described in detail in this manual belongs to the existing technology known to professional and technical personnel in this field.

[0029] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the protection content of the present invention.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for pruning branches and leaves of fruit trees, comprising a pull rod (1), characterized in that: A limit spring (2) is installed on the inner wall of the pull rod (1), a top rod (3) is installed on the outer wall of the limit spring (2), a connecting sleeve (4) is installed on the top of the pull rod (1), and blades (5) are installed on both sides of the outer wall of the connecting sleeve (4); A return spring (6) is installed on the outer wall of the pull rod (1), a sliding sleeve (7) is installed on the outer wall of the pull rod (1), a limiting ring (8) is installed on the inner wall of the sliding sleeve (7), and tool holders (9) are installed on both sides of the outer wall of the sliding sleeve (7); Both sides of the outer wall of the sliding sleeve (7) are installed with clamping sleeves (10), both sides of the outer wall of the pull rod (1) are installed with rotating shafts (11), the outer wall of the rotating shaft (11) is installed with a fixing rod (12), and the outer wall of the fixing rod (12) is installed with a fixing sleeve (13).

2. The device for pruning branches and leaves of fruit trees according to claim 1, characterized in that: The push rod (3) forms a telescopic structure with the pull rod (1) through a limit spring (2), and the side wall of the connecting sleeve (4) is of open-hole design.

3. The device for pruning branches and leaves of fruit trees according to claim 1, characterized in that: The connecting sleeve (4) is sleeved with the pull rod (1), and the connecting sleeve (4) is snap-connected with the push rod (3).

4. The device for pruning branches and leaves of fruit trees according to claim 1, characterized in that: The pull rod (1) forms a telescopic structure through a return spring (6) and a limiting ring (8), and the limiting ring (8) is movably connected to the pull rod (1).

5. The device for pruning branches and leaves of fruit trees according to claim 1, characterized in that: The tool holder (9) is symmetrically arranged with the central axis of the sliding sleeve (7) as the center, and the tool holder (9) is tightly fitted with the blade (5).

6. The device for pruning branches and leaves of fruit trees according to claim 1, characterized in that: The fixed rod (12) forms a rotating structure with the pull rod (1) via a rotating shaft (11), and the fixed rod (12) is symmetrically arranged with the central axis of the pull rod (1) as the center.

7. The device for pruning branches and leaves of fruit trees according to claim 1, characterized in that: The fixing rod (12) is snap-connected with the clamping sleeve (10), and the fixing rod (12) is threadedly connected with the fixing sleeve (13).

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