Garden tree pruning device

Abstract

The utility model relates to the technical field of tree pruning, in particular to a garden tree pruning device which comprises a fixing block, a supporting block is fixedly arranged on the fixing block, a T-shaped block is fixedly arranged on the bottom face of the supporting block, two sliding blocks are connected to the T-shaped block in a sliding mode, lifting blocks are connected to the sliding blocks in a sliding mode, and the lifting blocks are connected to the supporting block in a sliding mode. Pressing blocks are fixedly connected to the peripheral walls of the upper ends of the lifting blocks, a driving assembly is installed on one sliding block, a connecting rod is fixedly arranged at the lower end of one lifting block, a through groove is formed in the outer wall of the lower end of the other lifting block, and the peripheral wall of the connecting rod is slidably connected with the groove wall of the through groove; a cutting motor is mounted on the top face of the other end of the fixing block through a mounting base, and a saw blade is mounted on an output shaft of the cutting motor. The stability of the device is ensured, after the fixing block is installed, the worker is far away from the safe pruning application range, the use safety is improved, and the risk that the worker is injured by fallen branches or trunks is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to tree pruning technical field, especially a garden tree pruning device. BACKGROUND

[0002] The garden tree pruning device is a kind of equipment specially designed for pruning the branches of trees in garden, is adjusted according to the growth condition of tree and pruning requirement, ensures that pruning effect reaches best, this kind of equipment is usually designed to improve pruning efficiency, while ensuring the safety of operator, plays an important role in garden maintenance;

[0003] According to the patent with announcement No.CN204598755U, a garden tree pruning device is provided, active pruning shears and passive pruning shears are placed on both sides of the tree branch to be pruned, the button is pressed to energize the electric push rod, the active pruning shears are pushed, and the tree branch is cut off under the joint action of the active pruning shears and the passive pruning shears.When the active pruning shears and the passive pruning shears are not suitable for being placed in the position of the tree branch to be pruned, the pruning shovel is used to shovel off the tree branch, when pruning the high tree branch, the climbing tool is not needed, and the operator can prune the high tree branch on the ground;

[0004] But in the use process, it is found that when pruning higher and larger garden trees, the fallen tree trunk or branch after cutting poses a certain risk of bruising to the staff standing nearby, there is a certain safety hazard, which is not conducive to the pruning of garden trees. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a garden tree pruning device, which ensures the stability of the device, after the installation of the fixing block, the staff can be away from the safe pruning range, improves the use safety and reduces the risk of bruising caused by the fallen tree branch or trunk.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a garden tree pruning device, including fixing block, the fixing block is fixed with support block, the bottom surface of support block is fixed with T-shaped block, two sliding blocks are slidably connected on the T-shaped block, the lifting block is slidably connected on the sliding block, the outer wall of the upper end of lifting block is fixedly connected with pressure block, one of sliding blocks is installed with drive assembly, the lower end of one lifting block is fixed with connecting rod, the outer wall of the lower end of another lifting block is provided with through slot, and the outer wall of connecting rod is slidably connected with the slot wall of through slot.

[0007] Preferably, the other end top surface of the fixing block is installed with cutting motor through mounting seat, and the output shaft of the cutting motor is installed with saw blade.

[0008] Through the technical scheme, the branches to be pruned are cut by cutting the rotation of the motor-driven saw blade.

[0009] Preferably, the lower end of the support block is provided with a bidirectional screw rod, the outer peripheral wall of the two ends of the bidirectional screw rod is rotationally connected with a connecting block respectively, the top surface of the connecting block is fixedly connected with the bottom surface of the support block, and the sliding block is threadedly connected with the bidirectional screw rod through a threaded hole.

[0010] Preferably, the side wall of the support block is provided with a first servo motor through a front end mounting seat, and the output shaft of the first servo motor is coaxially connected with the bidirectional screw rod.

[0011] Through the technical scheme, the output shaft of the first servo motor drives the bidirectional screw rod to rotate along the connecting block, and the bidirectional screw rod drives the two sliding blocks to slide along the T-shaped block and gradually approach each other.

[0012] Preferably, the pressing block is hollow, a plurality of anti-skid teeth are fixedly arranged on the bottom surface of the pressing block in a uniform arrangement structure, and the two pressing blocks are staggered with each other.

[0013] Through the technical scheme, the anti-skid teeth of the pressing block are in close contact with the surface of the branch, thereby improving the stability of the device under the branch.

[0014] Preferably, the driving assembly comprises a driving motor, the driving motor is mounted on the bottom surface of one of the sliding blocks through a mounting seat, one side of the driving motor is provided with a gear, the central shaft of the gear is coaxially connected with the output shaft of the driving motor, one side of the gear is provided with a positioning block, the central shaft of the gear is rotationally connected with the positioning block, and the top surface of the positioning block is fixedly connected with the bottom surface of one of the sliding blocks.

[0015] Preferably, a plurality of tooth grooves are formed in the side wall of one of the lifting blocks, and the gear is meshingly connected with the tooth grooves.

[0016] Through the technical scheme, the output shaft of the driving motor drives the gear to rotate, the gear meshes with the tooth grooves to drive the corresponding lifting block to move upward along the sliding block, and the other lifting block is synchronously moved through the connecting rod, so that the saw blade abuts against the lower end surface of the branch to be pruned.

[0017] Preferably, a plurality of circular rods are fixedly arranged on the bottom surface of the fixing block, a limiting groove is formed in the outer peripheral wall of the circular rod, and the adjacent circular rods are inserted and matched.

[0018] Through the technical scheme, the use length suitable for pruning of garden trees can be conveniently adjusted through the use of a plurality of circular rods.

[0019] Preferably, a limiting block is fixedly arranged in the inner portion of the upper end of the circular rod at the lower end, the limiting block is clamped and matched with the limiting groove, and a plurality of clamping grooves are arranged in the limiting groove in a uniform arrangement structure.

[0020] Through the technical scheme, the two adjacent round rods are pulled for stretching, one of the round rods slides with the limiting block on the other round rod through the limiting slot, and the suitable length is conveniently adjusted.

[0021] Preferably, a hinge base is fixed on the outer circumferential wall of the upper end of the round rod, a pulling block is rotationally connected to the hinge base, two clamping blocks are fixed on the inner wall of the upper end of the pulling block, the clamping blocks are clamped with the clamping slots, two springs are fixed on the side of the clamping blocks close to the round rod, and one end of the spring is fixedly connected with the outer circumferential wall of the round rod.

[0022] Through the technical scheme, the clamping blocks are clamped with the corresponding clamping slots through the restoring force of the springs, the two adjacent round rods are fixed, and the suitable length for pruning the garden trees is conveniently adjusted.

[0023] The utility model discloses the beneficial effects of the following:

[0024] 1. the support block and T-shaped block are moved to the branch below the garden tree to be pruned through the fixed block, the two sliding blocks are close to each other, the sliding block is along T-shaped block sliding, and the sliding block drives lifting block and pressing block synchronous movement simultaneously, so that the two lifting blocks are close to each other, the bottom surface of the pressing block is rubbed with the upper end of the branch to be pruned, the inner wall of the lifting block is abutted with the side wall of the branch to be pruned at this time, the stability of the device is ensured, after the installation of the fixed block, the staff is far away to the safe pruning use range, the use safety is improved, and the risk that the staff is hurt by the falling branch or trunk is reduced.

[0025] 2. the device is moved to the branch below to be pruned through the round rod, so that the saw blade is located at the lower end of the branch, the output shaft of the first servo motor drives the bidirectional screw along the connecting block to rotate at this time, the bidirectional screw drives the two sliding blocks to slide along the T-shaped block and gradually close to each other, along with the movement of the sliding block, the synchronous movement of the respective lifting block and pressing block is driven, so that the inner wall of the lifting block is abutted with the side wall of the branch, the anti-skid teeth of the pressing block are in close contact with the surface of the branch, the stability of the device below the branch is improved, and the shaking or falling of the device in the cutting process is effectively prevented.

[0026] 3. Drive the gear to rotate through the output shaft of the motor, the gear meshes with the tooth groove to push the corresponding lifting block to move upwards along the sliding block, drive the other lifting block to move synchronously through the connecting rod, make the fixed block, the supporting block and the cutting motor move synchronously, make the saw blade abut against the surface of the lower end of the branch to be trimmed, at this time, the branch to be cut is opposite to the position of the lifting block, the lifting block is located close to the trunk side at this time, at this time, the staff is away from the falling range of the cut branch, reduces the risk of injury caused by the falling of the branch, improves the safety of the operation, cuts the branch to be trimmed through the cutting motor driving the saw blade to rotate, drives the fixed block to move gradually to the direction of the pressing block through the rotation of the gear, the saw blade continuously moves upwards and cuts, trims the branch of the garden tree, separates the pressing block and the lifting block from the branch after trimming, and takes out, ensures the stability and continuity of the cutting process, facilitates disassembly and reuse, reduces disassembly time, improves work efficiency, and adapts to the trimming of garden trees of different diameters and shapes.

[0027] 4. When the fixed block is installed through the round rod, the lower end of the pressing block is pressed close to the round rod, the clamping block is separated from the corresponding clamping groove, the spring is compressed, and the adjacent two round rods are pulled to stretch, one of the round rods slides through the limiting groove and the limiting block on the other round rod, convenient to adjust to the appropriate length, loosen the clamping block to make the clamping block and the corresponding clamping groove clamped through the restoring force of the spring, fix the adjacent two round rods, convenient to adjust to the appropriate length for trimming of garden trees, ensure the smooth progress of the trimming operation, and improve the overall work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the overall structure schematic diagram of the utility model;

[0029] Figure 2 It is the T-shaped block structure bottom view of the utility model;

[0030] Figure 3 It is the sliding block structure assembly schematic diagram of the utility model;

[0031] Figure 4 It is the driving assembly structure schematic diagram of the utility model;

[0032] Figure 5 It is the clamping block structure schematic diagram of the utility model.

[0033] In the diagram: 1. Fixed block; 2. Support block; 3. T-block; 4. Slider; 5. Lifting block; 6. Pressing block; 7. Drive assembly; 701. Drive motor; 702. Gear; 703. Positioning block; 704. Tooth groove; 8. Connecting rod; 9. Through groove; 10. Cutting motor; 11. Saw blade; 12. Two-way lead screw; 13. Connecting block; 14. First servo motor; 15. Anti-slip tooth; 16. Round rod; 17. Limiting groove; 18. Limiting block; 19. Slot; 20. Hinge seat; 21. Pulley; 22. Locking block; 23. Spring. Detailed Implementation

[0034] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0035] Example 1

[0036] like Figures 1-4 As shown, this embodiment provides a garden tree pruning device, including a fixed block 1, a support block 2 fixed on the fixed block 1, a T-shaped block 3 fixed on the bottom surface of the support block 2, two sliders 4 slidably connected on the T-shaped block 3, a lifting block 5 slidably connected on the sliders 4, a pressure block 6 fixedly connected to the upper outer peripheral wall of the lifting block 5, a drive component 7 installed on one of the sliders 4, a connecting rod 8 fixedly connected to the lower end of one of the lifting blocks 5, and a through groove 9 opened on the lower outer wall of the other lifting block 5, with the outer peripheral wall of the connecting rod 8 slidably connected to the groove wall of the through groove 9.

[0037] A cutting motor 10 is mounted on the top surface of the other end of the fixing block 1 via a mounting base. A saw blade 11 is mounted on the output shaft of the cutting motor 10. The cutting motor 10 drives the saw blade 11 to rotate and cut the branches to be pruned.

[0038] The lower end of the support block 2 is provided with a bidirectional lead screw 12. The outer peripheral walls of both ends of the bidirectional lead screw 12 are respectively rotatably connected to connecting blocks 13. The top surface of the connecting blocks 13 is fixedly connected to the bottom surface of the support block 2. The slider 4 is threadedly connected to the bidirectional lead screw 12 through a threaded hole. The side wall of the support block 2 is equipped with a first servo motor 14 through a front mounting seat. The output shaft of the first servo motor 14 is coaxially connected to the bidirectional lead screw 12. The output shaft of the first servo motor 14 drives the bidirectional lead screw 12 to rotate along the connecting block 13. The bidirectional lead screw 12 pushes the two sliders 4 to slide along the T-shaped block 3 and gradually move closer to each other.

[0039] The pressure block 6 is hollow, and the bottom surface of the pressure block 6 is fixed with multiple anti-slip teeth 15 in a uniformly arranged structure. The two pressure blocks 6 are interlaced. The anti-slip teeth 15 of the pressure block 6 are in close contact with the surface of the tree branch, which improves the stability of the device under the tree branch.

[0040] The driving assembly 7 comprises a driving motor 701 mounted on the bottom surface of one of the sliding blocks 4 through a mounting seat, one side of the driving motor 701 is provided with a gear 702, the central shaft of the gear 702 is coaxially connected with the output shaft of the driving motor 701, one side of the gear 702 is provided with a positioning block 703, the central shaft of the gear 702 is rotationally connected with the positioning block 703, the top surface of the positioning block 703 is fixedly connected with the bottom surface of one of the sliding blocks 4, a plurality of tooth grooves 704 are formed in the side wall of one of the lifting blocks 5, and the gear 702 is meshedly connected with the tooth grooves 704; the output shaft of the driving motor 701 drives the gear 702 to rotate, the gear 702 meshes with the tooth grooves 704 to push the corresponding lifting block 5 to move upwards along the sliding block 4, and the other lifting block 5 is synchronously moved through the connecting rod 8, so that the saw blade 11 abuts against the lower end surface of the branch to be trimmed.

[0041] A plurality of round rods 16 are fixedly arranged on the bottom surface of the fixing block 1, a limiting groove 17 is formed in the outer circumferential wall of each round rod 16, and the adjacent round rods 16 are inserted and matched.

[0042] Working principle: first, the supporting block 2 and the T-shaped block 3 are moved to the lower side of the branch of the garden tree to be trimmed through the fixing block 1, the two sliding blocks 4 are close to each other, the sliding block 4 drives the lifting block 5 and the pressing block 6 to synchronously move along the T-shaped block 3, the two lifting blocks 5 are close to each other, the bottom surface of the pressing block 6 is in friction with the upper end of the branch to be trimmed, the inner wall of the lifting block 5 abuts against the side wall of the branch to be trimmed at this time, and the stability of the device is ensured, after the installation of the fixing block 1, the worker can move away to a safe trimming range, the use safety is improved, and the risk of being injured by falling branches or tree trunks is reduced.

[0043] When installed, the device is moved to the lower side of the branch to be trimmed through the round rod 16, so that the saw blade 11 is located at the lower end of the branch, at this time, the output shaft of the first servo motor 14 drives the bidirectional lead screw 12 to rotate along the connecting block 13, the bidirectional lead screw 12 drives the two sliding blocks 4 to slide along the T-shaped block 3 and gradually close to each other, and the sliding block 4 drives the lifting block 5 and the pressing block 6 to synchronously move along the T-shaped block 3, the inner wall of the lifting block 5 abuts against the side wall of the branch, and the anti-skid teeth 15 of the pressing block 6 are in close contact with the surface of the branch, so that the stability of the device under the branch is improved, and the shaking or falling of the device in the cutting process is effectively prevented.

[0044] Then, the output shaft of the motor 701 drives the gear 702 to rotate, the gear 702 meshes with the tooth groove 704 to push the corresponding lifting block 5 to move upward along the sliding block 4, the other lifting block 5 is synchronously moved through the connecting rod 8, the fixed block 1, the supporting block 2 and the cutting motor 10 are synchronously moved, the saw blade 11 abuts against the lower end surface of the branch to be trimmed, at this time, the branch to be cut is opposite to the position of the lifting block 5, the lifting block 5 is located close to the trunk side, at this time, the staff is away from the falling range of the cut branch, the risk of injury caused by the falling of the branch is reduced, and the safety of the operation is improved;

[0045] Then, the output shaft of the motor 701 drives the gear 702 to rotate, the gear 702 meshes with the tooth groove 704 to push the corresponding lifting block 5 to move upward along the sliding block 4, the other lifting block 5 is synchronously moved through the connecting rod 8, the fixed block 1, the supporting block 2 and the cutting motor 10 are synchronously moved, the saw blade 11 abuts against the lower end surface of the branch to be trimmed, at this time, the branch to be cut is opposite to the position of the lifting block 5, the lifting block 5 is located close to the trunk side, at this time, the staff is away from the falling range of the cut branch, the risk of injury caused by the falling of the branch is reduced, and the safety of the operation is improved;

[0046] Embodiment two

[0047] As shown in Figure 1 , Figure 2 and Figure 5 , on the basis of embodiment one, the bottom surface of the fixed block 1 is fixedly provided with a circular rod 16, a limiting groove 17 is formed in the outer circumferential wall of the circular rod 16, a plurality of circular rods 16 are arranged, the upper end of the lower circular rod 16 is fixedly provided with a limiting block 18, the limiting block 18 is clamped and matched with the limiting groove 17, and a plurality of clamping grooves 19 are uniformly arranged in the limiting groove 17.

[0048] The outer circumferential wall of the upper end of the circular rod 16 is fixedly provided with a hinge base 20, the hinge base 20 is rotatably connected with a pushing block 21, the upper end inner wall of the pushing block 21 is fixedly provided with two clamping blocks 22, the clamping blocks 22 are clamped and matched with the clamping grooves 19, two springs 23 are fixedly connected to the side of the clamping blocks 22 close to the circular rod 16, and one end of the spring 23 is fixedly connected with the outer circumferential wall of the circular rod 16.

[0049] In use, when the fixed block 1 is installed through the round rod 16, the lower end of the clamping block 22 is pressed to be close to the round rod 16, the clamping block 22 is separated from the corresponding clamping groove 19, the spring 23 is compressed, the two adjacent round rods 16 are pulled to be stretched, one of the round rods 16 is slid through the limiting groove 17 and the limiting block 18 on the other round rod 16, the suitable length is conveniently adjusted, the clamping block 22 is released to be clamped with the corresponding clamping groove 19 through the restoring force of the spring 23, the two adjacent round rods 16 are fixed, the suitable length for the garden tree pruning is conveniently adjusted, the smooth pruning operation is ensured, and the overall operation efficiency is improved.

[0050] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A garden tree pruning device, comprising a fixing block (1), characterized in that: A support block (2) is fixed on the fixed block (1). A T-shaped block (3) is fixed on the bottom surface of the support block (2). Two sliders (4) are slidably connected on the T-shaped block (3). A lifting block (5) is slidably connected on the slider (4). A pressure block (6) is fixedly connected to the outer peripheral wall of the upper end of the lifting block (5). A drive assembly (7) is installed on one of the sliders (4). A connecting rod (8) is fixedly provided at the lower end of one of the lifting blocks (5). A through groove (9) is opened on the outer peripheral wall of the lower end of the other lifting block (5). The outer peripheral wall of the connecting rod (8) is slidably connected to the groove wall of the through groove (9).

2. The garden tree pruning device as described in claim 1, characterized in that: A cutting motor (10) is mounted on the top surface of the other end of the fixing block (1) via a mounting base, and a saw blade (11) is mounted on the output shaft of the cutting motor (10).

3. The garden tree pruning device as described in claim 2, characterized in that: The lower end of the support block (2) is provided with a bidirectional lead screw (12), and the outer peripheral walls of the two ends of the bidirectional lead screw (12) are respectively rotatably connected to connecting blocks (13). The top surface of the connecting block (13) is fixedly connected to the bottom surface of the support block (2), and the slider (4) is threadedly connected to the bidirectional lead screw (12) through a threaded hole.

4. The garden tree pruning device as described in claim 3, characterized in that: The support block (2) has a first servo motor (14) mounted on its side wall via a front mounting base. The output shaft of the first servo motor (14) is coaxially connected to the bidirectional lead screw (12).

5. The garden tree pruning device as described in claim 4, characterized in that: The pressure block (6) is hollow, and the bottom surface of the pressure block (6) is provided with a plurality of anti-slip teeth (15) arranged in a uniform manner. The two pressure blocks (6) are interleaved.

6. The garden tree pruning device as described in claim 1, characterized in that: The drive assembly (7) includes a drive motor (701), which is mounted on the bottom surface of one of the sliders (4) via a mounting base. A gear (702) is provided on one side of the drive motor (701), and the central axis of the gear (702) is coaxially connected to the output shaft of the drive motor (701). A positioning block (703) is provided on one side of the gear (702), and the central axis of the gear (702) is rotatably connected to the positioning block (703). The top surface of the positioning block (703) is fixedly connected to the bottom surface of one of the sliders (4).

7. The garden tree pruning device as described in claim 6, characterized in that: One of the lifting blocks (5) has multiple toothed grooves (704) on its side wall, and the gear (702) meshes with the toothed grooves (704).

8. The garden tree pruning device as described in claim 2, characterized in that: The bottom surface of the fixing block (1) is fixed with a round rod (16), and a limiting groove (17) is opened on the outer peripheral wall of the round rod (16). There are multiple round rods (16), and adjacent round rods (16) are inserted and matched.

9. The garden tree pruning device as described in claim 8, characterized in that: A limiting block (18) is fixed inside the upper end of the round rod (16) located at the lower end. The limiting block (18) is engaged with the limiting groove (17). The limiting groove (17) has multiple slots (19) arranged in a uniform structure inside.

10. The garden tree pruning device as described in claim 9, characterized in that: A hinge seat (20) is fixedly provided on the outer peripheral wall of the upper end of the round rod (16). A lever (21) is rotatably connected to the hinge seat (20). Two locking blocks (22) are fixedly provided on the inner wall of the upper end of the lever (21). The locking blocks (22) are engaged with the locking groove (19). Two springs (23) are fixedly provided on the side of the locking block (22) near the round rod (16). One end of the spring (23) is fixedly connected to the outer peripheral wall of the round rod (16).

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