Pruning device for forestry management

Abstract

The utility model relates to the technical field of forestry management, and provides a pruning device for forestry management, which comprises a device main body, a bottom table and a first chute, the top end of the device main body is provided with a pushing handle, the side wall of the device main body is provided with a first electric cylinder, and an output shaft of the first electric cylinder penetrates through the side wall of the device main body to be connected with the bottom table; first sliding blocks are symmetrically arranged at the bottom end of the bottom table, first sliding grooves are symmetrically formed in the top end of the device body, the bottom table is movably installed at the top end of the device body through the first sliding grooves, telescopic supporting rods are symmetrically arranged at the top end of the device body, and a rotating disc is installed at one end of each telescopic supporting rod. A tray is movably mounted on the outer wall of the rotary disc, a hydraulic lifter is mounted in the center of the rotary disc, and the problems that in the prior art, flexible adjustment cannot be conducted according to cutting operation, and branches with different diameters cannot be stably clamped and fixed are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of forestry management, and specifically to a pruning device for forestry management. Background Art

[0002] In forestry management, pruning is an important activity aimed at promoting the growth and health of trees and improving the yield and quality of forest trees. Pruning devices are tools or devices used to perform this task. They can be hand-operated tools or mechanized or motorized equipment.

[0003] The patent specification with the announcement number CN 214178172U discloses a pruning device for forestry management, which is connected to a carrier vehicle, and the top of the carrier vehicle is fixedly connected with a fixing clamp, a fixing rod, a first hydraulic lifter and a second hydraulic lifter from left to right in sequence, the top of the fixing rod is fixedly connected to the surface of the first hydraulic lifter, the top of the first hydraulic lifter is fixedly connected with a load platform, the top of the load platform is fixedly connected with a clamping device, and the top of the second hydraulic lifter is fixedly connected with a loading platform. By setting the first hydraulic lifter, the load platform, the second hydraulic lifter, the loading platform, the saw disc and the clamping device, the effect of pruning branches and slowing down the falling of branches is achieved, so as to avoid branches falling too quickly, injuring workers and breaking branches or trunks of trees, protecting the safety of workers, and at the same time not destroying the growth of other trees, so as to achieve the effect of forestry maintenance pruning.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned pruning device for forestry management has the following problems: the device is raised and lowered by a hydraulic lifter, but the load platform cannot be rotated and cannot be moved on the carrier vehicle. It cannot be flexibly adjusted according to the cutting operation, and the operation is inconvenient. At the same time, the clamping device provided in the device has a fixed structure and cannot be adjusted according to the size of the branches. For this reason, we proposed a pruning device for forestry management. Utility Model Content

[0005] The utility model provides a pruning device for forestry management, which solves the problem in the related art that the pruning device cannot be flexibly adjusted according to the pruning operation and cannot provide stable clamping and fixing for branches of different diameters.

[0006] The technical solution of the utility model is as follows:

[0007] A pruning device for forestry management comprises a device body, a base and a first slide groove, a push handle is arranged at the top of the device body, a first electric cylinder is installed at the side wall of the device body, an output shaft of the first electric cylinder passes through the side wall of the device body and connects to the base, a first sliding block is symmetrically arranged at the bottom end of the base, a first slide groove is symmetrically arranged at the top of the device body, the base is movably mounted on the top of the device body through the first slide groove, a telescopic support rod is symmetrically arranged at the top of the device body, a turntable is installed at one end of the telescopic support rod, and an outer wall of the turntable is movably mounted There is a pallet, a hydraulic lifter is installed at the center position of the turntable, the driving shaft of the hydraulic lifter is welded to the center position of the top of the base, a workbench is installed on the top of the pallet, a fixing mechanism is provided on the side wall of the workbench, a mounting block is movably installed on the side of the workbench away from the fixing mechanism, a threaded sleeve is provided on the outer wall of the top of the workbench, a limiting block is provided at the bottom end of the mounting block, a second electric cylinder is installed on the side wall of the workbench, the output shaft of the second electric cylinder passes through the side wall of the workbench and is connected to the side wall of the mounting block, and an electric saw is installed on the top of the mounting block.

[0008] Preferably, a servo motor is installed on the inner wall of the fixing mechanism, and a screw is connected to the driving shaft of the servo motor. A threaded sleeve is installed on the outer wall of the screw, and a second sliding block is symmetrically arranged on the outer wall of the threaded sleeve. Second sliding grooves are symmetrically arranged on the inner walls on both sides of the fixing mechanism, and the threaded sleeve is movably installed on the inner wall of the fixing mechanism. A rocker arm is symmetrically and movably installed on the side wall of the fixing mechanism. A pull rod is movably installed on the inner wall of the fixing mechanism through a fixed shaft, and one end of the pull rod is movably connected to the middle position of the rocker arm. Movable grooves are symmetrically arranged on the outer walls on both sides of the fixing mechanism, and the rocker arm is extended to the outer wall of the fixing mechanism through the movable groove and is movably connected with a jacket.

[0009] Preferably, the first sliding block is a semi-cylindrical body, and the first sliding block matches the first sliding groove.

[0010] Preferably, the cross section of the limiting block is trapezoidal, and the limiting block and the limiting groove fit together.

[0011] Preferably, the outer wall of the screw rod is provided with an external thread, and the inner wall of the threaded sleeve is provided with an internal thread matching the external thread.

[0012] Preferably, the cross section of the second slide groove is trapezoidal, and the second sliding block matches the second slide groove.

[0013] Preferably, the jacket is in a semicircular arc structure, and the jacket and the rocker arm are in a hinged connection structure.

[0014] Preferably, the bottom end of the device body is in a rectangular structure, and universal wheels are symmetrically mounted on the outer wall of the bottom end of the device body through bolts.

[0015] The working principle and beneficial effects of the utility model are:

[0016] In the utility model, the push handle is manually pushed through the device main body, cover plate and second limit groove, and the device main body is driven to move to the bottom of the tree trunk through the universal wheel, and the hydraulic lifter is started. The base platform is lifted by the hydraulic lifter to move it upward, and the telescopic support rod is stretched to provide support for the workbench. According to the position of the cut branches, the tray set at the bottom of the workbench is rotated to rotate the tray on the turntable to adjust the overall angle of the fixing mechanism, and the first electric cylinder is started. The base platform is pushed by the first electric cylinder so that the base platform slides on the inner wall of the first slide groove through the first slider. This structure can adjust the lateral position and angle of the workbench according to the position of the cut branches, which is convenient for cutting operations.

[0017] The utility model discloses a first electric cylinder is started by setting a pull block, a circuit board and a first spring, and the position of the workbench is adjusted so that the branch is located in the middle position of the jacket, and the servo motor is started, and the lead screw is driven to rotate by the servo motor, and the threaded sleeve is driven to rotate by the lead screw, and the threaded sleeve is limited by the second sliding block and the second sliding groove at the same time, and the threaded sleeve is limited by the movable grooves symmetrically arranged on the outer walls on both sides of the fixing mechanism, so that the threaded sleeve is translated on the inner wall of the fixing mechanism to drive the rocker arm to rotate, and the middle position of the rocker arm is limited by the pull rod, so that when the rocker arm rotates, the jacket is pulled inward to rotate and contract to clamp and fix the middle branch, and the second electric cylinder and the electric saw are started, so that the output shaft of the second electric cylinder pushes the mounting block to move, and the mounting block is limited by the limit block and the limit groove, so that the electric saw is translated along with the mounting block to cut the branch. The structure can provide stable clamping for branches of different thicknesses to prevent the cut branches from falling and injuring the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the main structure of the device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the half-section structure of the device body proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the cutaway structure of the fixed structure proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the servo motor structure proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the limit block structure proposed by the utility model.

[0024] In the figure: 1. device body; 2. first electric cylinder; 3. universal wheel; 4. base; 5. first slide; 6. push handle; 7. workbench; 8. first slider; 9. hydraulic lifter; 10. telescopic support rod; 11. turntable; 12. tray; 13. threaded sleeve; 14. fixing mechanism; 15. servo motor; 16. screw rod; 17. second slider; 18. second slide; 19. fixed shaft; 20. pull rod; 21. rocker arm; 22. movable groove; 23. jacket; 24. second electric cylinder; 25. mounting block; 26. electric saw; 27. limit block; 28. limit groove. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Figure 1~Figure 5 As shown, this embodiment proposes a pruning device for forestry management, including a device body 1, a base 4 and a first slide 5, a push handle 6 is arranged at the top of the device body 1, a first electric cylinder 2 is installed on the side wall of the device body 1, the output shaft of the first electric cylinder 2 passes through the side wall of the device body 1 and connects to the base 4, a first slider 8 is symmetrically arranged at the bottom end of the base 4, a first slide 5 is symmetrically arranged at the top of the device body 1, the base 4 is movably installed at the top of the device body 1 through the first slide 5, a telescopic support rod 10 is symmetrically arranged at the top of the device body 1, a turntable 11 is installed at one end of the telescopic support rod 10, and an outer wall of the turntable 11 is movably installed There is a tray 12, a hydraulic lifter 9 is installed at the center position of the turntable 11, the driving shaft of the hydraulic lifter 9 is welded to the center position of the top of the base 4, a workbench 7 is installed at the top of the tray 12, a fixing mechanism 14 is provided on the side wall of the workbench 7, a mounting block 25 is movably installed on the side of the workbench 7 away from the fixing mechanism 14, a threaded sleeve 13 is provided on the outer wall of the top of the workbench 7, a limiting block 27 is provided at the bottom end of the mounting block 25, a second electric cylinder 24 is installed on the side wall of the workbench 7, the output shaft of the second electric cylinder 24 passes through the side wall of the workbench 7 and is connected to the side wall of the mounting block 25, and an electric saw 26 is installed on the top of the mounting block 25.

[0027] In this embodiment, the cross section of the limiting block 27 is trapezoidal, and the limiting block 27 and the limiting groove 28 fit together.

[0028] In this embodiment, the bottom end of the device body 1 is a rectangular structure, and universal wheels 3 are symmetrically mounted on the outer wall of the bottom end of the device body 1 through bolts.

[0029] Specific as Figure 1 , Figure 2 and Figure 5 As shown, when using this structure, the device body 1 is driven by the universal wheel 3 to move to the bottom of the tree trunk, the hydraulic lifter 9 is started, the base platform 4 is lifted by the hydraulic lifter 9 to move it upward, and the telescopic support rod 10 is stretched to provide support for the workbench 7. According to the position of the cut branches, the tray 12 set at the bottom of the workbench 7 is rotated to rotate the tray 12 on the turntable 11 to adjust the overall angle of the fixing mechanism 14, the first electric cylinder 2 is started, and the base platform 4 is pushed by the first electric cylinder 2 to slide on the inner wall of the first slide groove 5 through the first slider 8. This structure can adjust the lateral position and angle of the workbench 7 according to the position of the cut branches, so as to facilitate the cutting operation.

[0030] Embodiment 2: A servo motor 15 is installed on the inner wall of the fixing mechanism 14, a screw rod 16 is connected to the driving shaft of the servo motor 15, a threaded sleeve 13 is installed on the outer wall of the screw rod 16, a second sliding block 17 is symmetrically arranged on the outer wall of the threaded sleeve 13, second sliding grooves 18 are symmetrically arranged on the inner walls on both sides of the fixing mechanism 14, the threaded sleeve 13 is movably installed on the inner wall of the fixing mechanism 14, a rocker arm 21 is symmetrically and movably installed on the side wall of the fixing mechanism 14, a pull rod 20 is movably installed on the inner wall of the fixing mechanism 14 through a fixed shaft 19, one end of the pull rod 20 is movably connected to the middle position of the rocker arm 21, movable grooves 22 are symmetrically arranged on the outer walls on both sides of the fixing mechanism 14, and the rocker arm 21 extends to the outer wall of the fixing mechanism 14 through the movable groove 22 and is movably connected with a jacket 23.

[0031] In this embodiment, the first sliding block 8 is a semi-cylindrical body, and the first sliding block 8 matches the first sliding groove 5 .

[0032] In this embodiment, the outer wall of the screw rod 16 is provided with an external thread, and the inner wall of the threaded sleeve 13 is provided with an internal thread matching the external thread.

[0033] In this embodiment, the cross section of the second sliding groove 18 is trapezoidal, and the second sliding block 17 and the second sliding groove 18 match each other.

[0034] In this embodiment, the jacket 23 is in a semicircular arc shape, and the jacket 23 and the rocker arm 21 are in a hinged connection structure.

[0035] Specific as Figure 1 , Figure 3 and Figure 4As shown, when using this structure, the servo motor 15 is started, and the screw rod 16 is driven to rotate by the servo motor 15, and the screw rod 16 is used to drive the threaded sleeve 13 to rotate, and the second slider 17 and the second slide groove 18 are used to limit the threaded sleeve 13, and the movable grooves 22 symmetrically arranged on the outer walls on both sides of the fixing mechanism 14 make the threaded sleeve 13 translate on the inner wall of the fixing mechanism 14 to drive the rocker arm 21 to rotate, and the middle position of the rocker arm 21 is limited by the pull rod 20, so that when the rocker arm 21 rotates, the clamping sleeve 23 is pulled inward to rotate and contract to clamp and fix the middle branch, and the second electric cylinder 24 and the electric saw 26 are started, so that the output shaft of the second electric cylinder 24 pushes the mounting block 25 to move, and the mounting block 25 is limited by the limiting block 27 and the limiting groove 28, so that the electric saw 26 translates with the mounting block 25 to cut the branches. This structure can provide stable clamping for branches of different thicknesses to prevent the cut branches from falling and injuring the staff.

[0036] Working principle: When in use, manually push the push handle 6, drive the device body 1 to move to the bottom of the tree trunk through the universal wheel 3, start the hydraulic lifter 9, lift the base 4 through the hydraulic lifter 9 to make it move up, and at the same time stretch the telescopic support rod 10 to provide support for the workbench 7, according to the position of the cut branches, rotate the tray 12 set at the bottom of the workbench 7, so that the tray 12 rotates on the turntable 11 to adjust the overall angle of the fixing mechanism 14, start the first electric cylinder 2, and use the first electric cylinder 2 to push the base 4, so that the base 4 slides on the inner wall of the first slide groove 5 through the first slider 8, so that the jacket 23 is located at the periphery of the cut branches, start the servo motor 15, and drive the screw rod 16 to rotate through the servo motor 15, and use the screw rod 16 to drive the threaded sleeve 13 to rotate, and at the same time use the second slider 17 and the second slide groove 18 to limit the threaded sleeve 13, and through the fixing mechanism The movable grooves 22 symmetrically arranged on the outer walls on both sides of 14 enable the threaded sleeve 13 to translate on the inner wall of the fixing mechanism 14 and drive the rocking arm 21 to rotate. The middle position of the rocking arm 21 is limited by the pull rod 20, so that when the rocking arm 21 rotates, the clamping sleeve 23 is pulled inward to rotate and contract to clamp and fix the middle branch. The second electric cylinder 24 and the electric saw 26 are started, so that the output shaft of the second electric cylinder 24 pushes the mounting block 25 to move, and the mounting block 25 is limited by the limiting block 27 and the limiting groove 28, so that the electric saw 26 translates with the mounting block 25 to cut the branches. The device can not only adjust the lateral position of the workbench 7 according to the position of the branch, but also rotate it, so as to improve the cutting efficiency, and at the same time provide stable clamping for branches of different thicknesses, provide convenience for cutting, and prevent the cut branches from falling and injuring the staff.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pruning device for forestry management, comprising a device body (1), a base (4) and a first chute (5), characterized in that: The top of the device body (1) is provided with a push handle (6), the side wall of the device body (1) is installed with a first electric cylinder (2), the output shaft of the first electric cylinder (2) passes through the side wall of the device body (1) and is connected to the base (4), the bottom end of the base (4) is symmetrically provided with a first slider (8), the top of the device body (1) is symmetrically provided with a first slide groove (5), the base (4) is movably installed on the top of the device body (1) through the first slide groove (5), the top of the device body (1) is symmetrically provided with a telescopic support rod (10), one end of the telescopic support rod (10) is installed with a turntable (11), the outer wall of the turntable (11) is movably installed with a tray (12), and the center of the turntable (11) is installed with a A hydraulic lifter (9), wherein a driving shaft of the hydraulic lifter (9) is welded to the center position of the top end of the base (4), a workbench (7) is installed at the top end of the tray (12), a fixing mechanism (14) is provided on the side wall of the workbench (7), a mounting block (25) is movably installed on the side of the workbench (7) away from the fixing mechanism (14), a threaded sleeve (13) is provided on the outer wall of the top end of the workbench (7), a limit block (27) is provided at the bottom end of the mounting block (25), a second electric cylinder (24) is installed on the side wall of the workbench (7), an output shaft of the second electric cylinder (24) passes through the side wall of the workbench (7) and is connected to the side wall of the mounting block (25), and an electric saw (26) is installed on the top end of the mounting block (25).

2. A pruning device for forestry management according to claim 1, characterized in that: A servo motor (15) is mounted on the inner wall of the fixing mechanism (14); a screw rod (16) is connected to the drive shaft of the servo motor (15); a threaded sleeve (13) is mounted on the outer wall of the screw rod (16); a second sliding block (17) is symmetrically arranged on the outer wall of the threaded sleeve (13); second sliding grooves (18) are symmetrically arranged on the inner walls on both sides of the fixing mechanism (14); the threaded sleeve (13) is movably mounted on the inner wall of the fixing mechanism (14); a rocker arm (21) is symmetrically movably mounted on the side wall of the fixing mechanism (14); a pull rod (20) is movably mounted on the inner wall of the fixing mechanism (14) via a fixing shaft (19); one end of the pull rod (20) is movably connected to the middle position of the rocker arm (21); movable grooves (22) are symmetrically arranged on the outer walls on both sides of the fixing mechanism (14); the rocker arm (21) is movably connected to the outer wall of the fixing mechanism (14) via the movable groove (22).

3. A pruning device for forestry management according to claim 1, characterized in that: The first sliding block (8) is in the form of a semi-cylinder, and the first sliding block (8) matches the first sliding groove (5).

4. A pruning device for forestry management according to claim 1, characterized in that: The cross section of the limiting block (27) is trapezoidal, and the limiting block (27) and the limiting groove (28) fit together.

5. A pruning device for forestry management according to claim 2, characterized in that: The outer wall of the screw rod (16) is provided with an external thread, and the inner wall of the threaded sleeve (13) is provided with an internal thread matching the external thread.

6. A pruning device for forestry management according to claim 2, characterized in that: The cross section of the second slide groove (18) is trapezoidal, and the second sliding block (17) matches the second slide groove (18).

7. A pruning device for forestry management according to claim 2, characterized in that: The jacket (23) is in a semicircular arc shape, and the jacket (23) and the rocker arm (21) are in a hinged connection structure.

8. A pruning device for forestry management according to claim 1, characterized in that: The bottom end of the device body (1) is in a rectangular structure, and universal wheels (3) are symmetrically mounted on the outer wall of the bottom end of the device body (1) via bolts.

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