Tree pruning device for forest management and production

Abstract

The utility model belongs to the field of forest management, particularly relates to a tree pruning device for forest management production, and provides the following scheme aiming at the problems that an existing device works in a handheld mode and is inconvenient to use manually when pruning high branches, the tree pruning device comprises a mounting rod, the top of the mounting rod is fixedly connected with a saw blade through a bolt, and the saw blade is fixedly connected with the saw blade through a bolt. A through mounting groove is formed in one side of the mounting rod, a through mounting shaft is rotationally connected into the mounting groove, a lower cutter and a pull rod are fixedly connected to the circumference of the mounting shaft, a through connecting hole is formed in one side of the pull rod, and a pull rope is fixedly connected into the connecting hole. The mounting rod and the extension rod can be connected and fixed through the threaded rod and the threaded hole, then the mounting rod is extended, use is convenient and flexible, trees of different heights can be trimmed, meanwhile, thick branches can be sawed off through the saw blade, thin branches are cut off through cooperation of the upper cutter and the lower cutter, or the upper cutter is directly moved downwards, the thin branches are cut off through impact force, and use is flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of forestry, in particular to a tree pruning device used in forestry production. Background Art

[0002] Afforestation is a scientific method of afforestation and is the core of the forestry industry. In order to maximize the sustainable development and utilization of forestry resources and achieve harmony and ecological balance between man and nature, man and the environment, relevant forestry departments usually adopt a series of reasonable technical measures for afforestation and cultivation. In the process of afforestation and production, it is inseparable from pruning trees, so tree pruning tools are needed;

[0003] After searching, it was found that a multifunctional pruning tool for forestry and management is disclosed with publication number CN219812597U, which includes a mounting plate, and a saw blade is fixedly installed on one side of the mounting plate. Although the above device can be light and compact when in use, it is handheld and inconvenient to use manually when pruning branches of higher heights. Therefore, a tree pruner for forestry and management is proposed. Utility Model Content

[0004] The utility model aims to solve the disadvantages of the prior art that the handheld device is inconvenient to use manually when pruning branches with a high height, and proposes a tree pruning device for forestry production.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tree pruner for forestry production, comprising a mounting rod, a saw blade is fixedly connected to the top of the mounting rod by bolts, a through mounting groove is provided on one side of the mounting rod, a through mounting shaft is rotatably connected in the mounting groove, a lower knife and a pull rod are fixedly connected to the circumference of the mounting shaft, a through connecting hole is provided on one side of the pull rod, a pull rope is fixedly connected in the connecting hole, and torsion springs are fixedly connected between both ends of the mounting shaft and the mounting rod;

[0007] The saw blade also includes a first mounting seat, an upper knife is fixed to the bottom of the first mounting seat by bolts, and the upper knife cooperates with the lower knife to prune branches. The saw blade can cut off thick branches through the cooperation between the saw blade, the upper knife and the lower knife, and the upper knife cooperates with the lower knife to cut off thin branches, or the upper knife is directly moved down to cut off thin branches by impact force, which is flexible to use;

[0008] Also included is an extension component, which is arranged at the bottom of the installation rod and is used to lengthen the installation rod.

[0009] As a further solution of the utility model, the extension assembly includes multiple extension rods, the tops of the multiple extension rods are fixedly connected with threaded rods, the bottoms of the multiple extension rods and the bottom of the mounting rod are provided with threaded holes adapted to the threaded rods, and through the coordinated use of the mounting rods and the extension rods, the mounting rods and the extension rods can be connected and fixed through the threaded rods and the threaded holes, thereby extending the mounting rods. The use is convenient and flexible, and trees of different heights can be pruned.

[0010] As a further solution of the utility model, one side of the installation rod and one side of the extension rod are fixedly connected with a second installation seat, and a guide wheel for guiding the pull rope is rotatably connected in the second installation seat.

[0011] As a further solution of the utility model, the bottom of the pull rope is fixedly connected to a cross bar, and a rubber sleeve is bonded to the circumference of the cross bar.

[0012] As a further solution of the utility model, a positioning shaft for limiting the position of the lower knife is fixedly connected between the two sides of the installation groove.

[0013] As a further solution of the utility model, the circumference of the extension rod is fixedly connected with an anti-skid sleeve, and the circumference of the anti-skid sleeve is provided with a plurality of anti-skid grooves.

[0014] As a further solution of the present invention, one end of the first mounting seat is fixedly connected to a limiting plate.

[0015] In the present application, when in use, the mounting rod is extended according to the height of the tree. When extending, first one of the extension rods is screwed into the bottom of the mounting rod through the threaded rod, and then the remaining extension rods are installed in sequence. It is convenient and flexible to use and can prune trees of different heights. After the mounting rod and the extension rod are connected, the pull rope is passed through multiple second mounting seats, and the pull rope is guided by the guide wheel. Finally, a cross bar is installed at the bottom of the pull rope to facilitate pulling the pull rope. When pruning, if thicker hard branches are encountered, the tree is cut off by the saw blade. When encountering thin branches of the tree that are inconvenient to use the saw blade, the upper knife is placed above the thin branches, and then the pull rope is pulled. The pull rope pulls the pull rod, and the pull rod drives the lower knife to rotate, and then the thin branches are cut off by the cooperation of the upper knife and the lower knife, or the upper knife is directly moved down and the thin branches are cut off by impact force. It is flexible to use.

[0016] Beneficial effects:

[0017] In the utility model, the tree pruning device for forestry production is used in combination with the mounting rod and the extension rod. The mounting rod and the extension rod can be connected and fixed by the threaded rod and the threaded hole, and then the mounting rod is extended. It is convenient and flexible to use and can prune trees of different heights.

[0018] In the utility model, the tree pruning device for forestry production can cut thick branches by the cooperation between the saw blade, the upper knife and the lower knife, and the upper knife and the lower knife can cooperate to cut thin branches, or the upper knife can be directly moved down to cut thin branches by impact force, which is flexible to use;

[0019] In the utility model, the mounting rod and the extension rod can be connected and fixed by means of a threaded rod and a threaded hole, thereby extending the mounting rod. The utility model is convenient and flexible to use, and can be used to prune trees of different heights. At the same time, the saw blade can saw off thick branches, and the upper knife and the lower knife can cooperate to cut off thin branches, or the upper knife can be directly moved downward to use the impact force to cut off the thin branches. The utility model is flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional structural schematic diagram of a tree pruning device for forestry production proposed by the utility model;

[0021] Figure 2 A partial structural schematic diagram of a tree pruning device for forestry production proposed by the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the extension rod connection structure of a tree pruning device for forestry production.

[0023] In the figure: 1. mounting rod; 101. mounting slot; 2. extension rod; 3. saw blade; 4. pull rope; 5. first mounting seat; 6. upper knife; 7. limit plate; 8. mounting shaft; 9. pull rod; 10. lower knife; 11. torsion spring; 12. second mounting seat; 13. guide wheel; 14. anti-slip sleeve; 15. threaded rod; 16. threaded hole; 17. cross bar; 18. connecting hole; 19. positioning shaft. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] Reference Figure 1-Figure 3A tree pruner comprises: a mounting rod 1, a saw blade 3 is fixedly connected to the top of the mounting rod 1 by bolts, the saw blade 3 fixed by the bolts can be easily replaced, a through mounting groove 101 is provided on one side of the mounting rod 1, a through mounting shaft 8 is rotatably connected in the mounting groove 101, a lower knife 10 and a pull rod 9 are fixedly connected to the circumference of the mounting shaft 8, a through connecting hole 18 is provided on one side of the pull rod 9, a pull rope 4 is fixedly connected in the connecting hole 18, and the pull rope 4 is arranged to facilitate people to operate the lower knife 10, and torsion springs 11 are fixedly connected between both ends of the mounting shaft 8 and the mounting rod 1, and the torsion springs 11 are used to reset the mounting shaft 8 after rotation;

[0027] The saw blade 3 also includes a first mounting base 5, and an upper knife 6 is fixed to the bottom of the first mounting base 5 by bolts. The upper knife 6 cooperates with the lower knife 10 to prune branches. The saw blade 3, the upper knife 6 and the lower knife 10 cooperate to cut off thick branches, and the upper knife 6 cooperates with the lower knife 10 to cut off thin branches, or the upper knife 6 is directly moved down to cut off thin branches by impact force, which is flexible to use.

[0028] It also includes an extension component, which is arranged at the bottom of the installation rod 1 and is used to lengthen the installation rod 1.

[0029] In the utility model, the extension assembly includes a plurality of extension rods 2, the tops of the plurality of extension rods 2 are fixedly connected with threaded rods 15, the bottoms of the plurality of extension rods 2 and the bottom of the mounting rod 1 are provided with threaded holes 16 adapted to the threaded rods 15, one of the extension rods 2 is screwed into the bottom of the mounting rod 1 through the threaded rod 15, and then the remaining extension rods 2 are installed in sequence, thereby increasing the overall length of the device and facilitating the pruning of different trees.

[0030] The present application can be used in the field of forestry production, and can also be used in other fields applicable to the present application.

[0031] Example 2

[0032] refer to Figure 1-Figure 3 , based on Example 1, a tree pruning device for forestry production is improved, and applied to the field of forestry production,

[0033] In the utility model, one side of the mounting rod 1 and one side of the extension rod 2 are fixedly connected with a second mounting seat 12, and a guide wheel 13 for guiding the pull rope 4 is rotatably connected in the second mounting seat 12, so that the stability of the movement of the pull rope 4 is increased by the guide wheel 13.

[0034] In particular, the bottom of the pull rope 4 is fixedly connected with a cross bar 17 , and a rubber sleeve is bonded to the circumference of the cross bar 17 , so that people can pull the pull rope 4 conveniently through the cross bar 17 .

[0035] It should be noted that a positioning shaft 19 for limiting the position of the lower knife 10 is fixedly connected between the two sides of the installation groove 101. The positioning shaft 19 is used to limit the angle of the lower knife 10 so that the lower knife 10 can be stably placed in the installation groove 101 when not in use.

[0036] In the utility model, the circumference of the extension rod 2 is fixedly connected with an anti-skid sleeve 14 , and the circumference of the anti-skid sleeve 14 is provided with a plurality of anti-skid grooves, so that the anti-skid sleeve 14 is convenient for people to connect the extension rod 2 .

[0037] It should be noted that one end of the first mounting seat 5 is fixedly connected to a limiting plate 7, and the limiting plate 7 increases the stability of the upper knife 6 on the branch.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tree pruning device for afforestation production, comprising a mounting rod (1), characterized in that: The top of the mounting rod (1) is fixedly connected to a saw blade (3) by means of bolts, a through mounting groove (101) is provided on one side of the mounting rod (1), a through mounting shaft (8) is rotatably connected in the mounting groove (101), a lower knife (10) and a pull rod (9) are fixedly connected to the circumference of the mounting shaft (8), a through connecting hole (18) is provided on one side of the pull rod (9), a pull rope (4) is fixedly connected in the connecting hole (18), and torsion springs (11) are fixedly connected between both ends of the mounting shaft (8) and the mounting rod (1); It also includes a first mounting seat (5), the bottom of which is fixed with an upper knife (6) by means of bolts, and the upper knife (6) cooperates with the lower knife (10) to prune branches; It also comprises an extension component, which is arranged at the bottom of the installation rod (1) and is used to lengthen the installation rod (1).

2. A tree pruning device for forestry production according to claim 1, characterized in that: The extension assembly comprises a plurality of extension rods (2), the tops of the plurality of extension rods (2) are fixedly connected with threaded rods (15), and the bottoms of the plurality of extension rods (2) and the bottom of the mounting rod (1) are provided with threaded holes (16) adapted to the threaded rods (15).

3. A tree pruning device for forestry production according to claim 1, characterized in that: One side of the installation rod (1) and one side of the extension rod (2) are both fixedly connected to a second installation seat (12), and a guide wheel (13) for guiding the pull rope (4) is rotatably connected inside the second installation seat (12).

4. A tree pruning device for forestry production according to claim 1, characterized in that: The bottom of the pull rope (4) is fixedly connected to a cross bar (17), and a rubber sleeve is bonded to the circumference of the cross bar (17).

5. A tree pruning device for forestry production according to claim 1, characterized in that: A positioning shaft (19) for limiting the position of the lower knife (10) is fixedly connected between the two sides of the installation groove (101).

6. A tree pruning device for forestry production according to claim 2, characterized in that: The circumference of the extension rod (2) is fixedly connected with an anti-skid sleeve (14), and the circumference of the anti-skid sleeve (14) is provided with a plurality of anti-skid grooves.

7. A tree pruning device for forestry production according to claim 1, characterized in that: One end of the first mounting seat (5) is fixedly connected to a limiting plate (7).

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