Poplar branch pruning device

Abstract

The utility model provides a poplar branch pruning device, which relates to the field of poplar branch pruning and comprises a pruning rod body, a protective cutter shell and a pruning blade, the right end of the pruning rod body is connected with the protective cutter shell through a threaded rod, and the pruning blade is arranged in a cavity of the protective cutter shell. The upper surface of the protective cutter shell is slidably connected with a limiting sliding plate through a connecting sliding groove, the lower end of the limiting sliding plate is in shaft connection with an upper rotating disc through a small motor, the lower end of the upper rotating disc is connected with a lower rotating disc through a bolt, and a pruning blade is clamped and fixed between the upper rotating disc and the lower rotating disc; the lower end of the lower rotating disc is movably connected with a telescopic sliding plate, the left side end of the telescopic sliding plate is connected with an electric push rod, and constant-force springs are distributed on the two side faces of the telescopic sliding plate. According to the trimming device, the problem that in the prior art, a protective shell of a trimming device is used for protecting a blade contained in the shell, and the blade is easily scratched by a saw blade exposed outside when being manually held by a hand to trim and move in daily life is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of poplar branch pruning, in particular to a poplar branch pruning device. Background Art

[0002] In urban greening, poplars are planted in large numbers due to their easy survival, fast growth rate, low maintenance cost, and functions such as oxygen release and carbon fixation, cooling and humidification. The planted poplars need to be pruned regularly to ensure their healthy growth and beautiful appearance. After searching, the existing technology (Announcement No.: CN202221423383.X) is a telescopic branch pruning device for gardening. The article records that "through the provision of a protective storage mechanism, the protective shell and the casing can be fixed, and the protective shell and the inside of the casing can be dried and dehumidified, which is convenient for the protection of the branch pruning device during use, avoiding the harm caused by accidental contact of the cutting blade by personnel, and also facilitating the moisture-proof storage of the branch pruning device when it is idle, thereby increasing the protection performance of the branch pruning device during use." However, the protective shell of the pruning device in the existing technology is protected and stored in the shell. The blade is easily scratched by the exposed saw blade during daily manual hand-held pruning and movement. Utility Model Content

[0003] In order to overcome the defects of the existing technology, a poplar branch pruning device is now provided to solve the problem that the protective shell of the pruning device in the existing technology protects the blade stored in the shell, and the blade is easily scratched by the exposed saw blade during daily manual hand-held pruning.

[0004] To achieve the above object, a poplar branch pruning device is provided, comprising: a pruning rod, a protective tool shell and a pruning blade, wherein the right end of the pruning rod is connected to the protective tool shell through a threaded rod, and the pruning blade is arranged in the protective tool shell cavity.

[0005] The upper surface of the protective tool housing is slidably connected to a limit slide through a connecting groove, the lower end of the limit slide is connected to an upper rotating disk through a small motor shaft, the lower end of the upper rotating disk is connected to a lower rotating disk by bolts, a trimming blade is clamped and fixed between the upper and lower rotating disks, the lower end of the lower rotating disk is movably connected to a telescopic slide, the left end of the telescopic slide is connected to an electric push rod, and constant force springs are distributed on both sides of the telescopic slide.

[0006] Furthermore, an anti-slip sleeve is sleeved on the outer surface of the trimming rod body, and a control panel is embedded and fixed on the upper surface of the trimming rod body; and the control panel is electrically connected to the electric push rod.

[0007] Furthermore, a cylindrical storage cavity is provided inside the protective tool housing; the trimming blade is located in the middle of the storage cavity, and an arc-shaped notch is provided at the right end of the storage cavity.

[0008] Furthermore, two groups of arc-shaped brush plates are screwed and fixed to the arc surface on the right side of the protective tool housing; and the two groups of arc-shaped brush plates are distributed at the upper and lower ends of the arc-shaped notch on the right side of the protective tool housing.

[0009] Furthermore, a threaded rod is welded on the left side of the protective tool housing through a connecting block, and the threaded rod is screwed into the threaded groove inside the trimming rod body.

[0010] Furthermore, a downward convex cross fixing plate is welded to the lower end surface of the protective tool housing, a rubber pad is bonded to the lower surface of the cross fixing plate; and an electric push rod is embedded and fixed inside the cross fixing plate.

[0011] Furthermore, the telescopic slide, the electric push rod, the constant force spring, the limit slide, the small motor and the upper rotating disk constitute an automatic retraction structure of the trimming blade.

[0012] The beneficial effect of the present invention is that the poplar branch pruning device of the present invention utilizes the limiting slides and the telescopic slide at the upper and lower ends of the pruning blade to be connected to the protective tool shell, and by pressing the button on the control panel to control the electric push rod to push the telescopic slide to the right, the pruning blade in the storage cavity is pushed out to prune the poplar branches, and the button is released and the electric push rod automatically retracts. At this time, the retracted telescopic slide is stably supported and reset by the constant force spring on the left, thereby realizing a poplar branch pruning device with an automatic tool retraction function, avoiding scratches caused by accidentally touching the blade when the pruning device is held manually, reducing the safety hazards when the pruning device is moved for pruning, facilitating safety protection against accidental injury of the pruning blade to the pruning personnel and outsiders, and improving the safety prevention performance of the pruning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic top view of the structure of a poplar branch pruning device according to an embodiment of the present invention.

[0014] Figure 2 This is a front cross-sectional structural diagram of a poplar branch pruning device according to an embodiment of the present invention.

[0015] Figure 3 This is a schematic diagram of a partial cross-sectional structure of a protective tool housing according to an embodiment of the present utility model, viewed from above.

[0016] Figure 4 This is a bottom view of the protective tool housing according to an embodiment of the present invention.

[0017] In the figure: 1. Trimming rod body; 11. Anti-slip cover; 12. Control panel; 2. Protective tool housing; 21. Curved brush plate; 22. Connecting block; 23. Connecting groove; 24. Threaded rod; 25. Cross fixing plate; 26. Rubber pad; 27. Storage cavity; 3. Trimming blade; 31. Limiting slide; 32. Small motor; 33. Upper rotating disk; 4. Telescopic slide; 41. Electric push rod; 42. Constant force spring; 43. Lower rotating disk. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a poplar branch pruning device, comprising: a pruning rod body 1, a protective tool shell 2 and a pruning blade 3. The right end of the pruning rod body 1 is connected to the protective tool shell 2 through a threaded rod 24. The pruning blade 3 is arranged in the cavity of the protective tool shell 2.

[0019] The upper surface of the protective tool housing 2 is slidably connected to the limit slide 31 through the connecting groove 23. The lower end of the limit slide 31 is connected to the upper rotating disk 33 through the shaft of a small motor 32. The lower end of the upper rotating disk 33 is connected to the lower rotating disk 43 by bolts. The trimming blade 3 is clamped and fixed between the upper rotating disk 33 and the lower rotating disk 43. The lower end of the lower rotating disk 43 is movably connected to the telescopic slide 4. The left end of the telescopic slide 4 is connected to the electric push rod 41. Constant force springs 42 are distributed on both sides of the telescopic slide 4.

[0020] First, the pruning personnel uses a lifting vehicle to hold the pruning device and rise to a suitable pruning position for the poplar tree, turns on the small motor 32, and drives the pruning blade 3 to rotate through the rotating disk. After adjusting the length of the pruning rod body 1, press the push button to make the electric push rod 41 push the telescopic slide 4 to move. The telescopic slide 4 drives the upper rotating pruning blade 3 to move out of the cavity of the protective tool shell 2, so that the rotating pruning blade 3 can prune the poplar branches.

[0021] In this embodiment, an anti-slip cover 11 is sleeved on the outer surface of the trimming rod 1 , and a control panel 12 is embedded and fixed on the upper surface of the trimming rod 1 ; and the control panel 12 is electrically connected to the electric push rod 41 .

[0022] As a preferred embodiment, the control panel 12 is provided with a push button for the electric push rod 41 and a start / stop button for the small motor 32, which facilitates and quickly controls the trimming blade 3 to perform trimming operations. The electric push rod 41 is pushed and extended by the control panel 12, and automatically retracts when no command from the control panel 12 is received.

[0023] In this embodiment, a cylindrical storage cavity 27 is provided on the inner side of the protective tool housing 2; and the trimming blade 3 is located in the middle of the storage cavity 27, and an arc-shaped notch is provided at the right end of the storage cavity 27. Two sets of arc-shaped brush plates 21 are screwed and fixed to the arc surface on the right side of the protective tool housing 2; and the two sets of arc-shaped brush plates 21 are distributed at the upper and lower ends of the arc-shaped notch on the right side of the protective tool housing 2. A threaded rod 24 is welded to the left side of the protective tool housing 2 through a connecting block 22, and the threaded rod 24 is screwed into the threaded groove on the inner side of the trimming rod body 1. A downward convex cross fixing plate 25 is welded to the lower end face of the protective tool housing 2, and a rubber pad 26 is bonded to the lower surface of the cross fixing plate 25; and an electric push rod 41 is embedded and fixed inside the cross fixing plate 25.

[0024] As a preferred embodiment, the storage cavity 27 facilitates storage of the pruning blade 3 and automatically retracts when not in use, preventing the sharp blade 3 from posing a safety hazard. The curved brush plate 21 facilitates cleaning of poplar branch debris remaining on the blade surface. Rotating the threaded rod 24 extends the protective blade housing 2, facilitating adjustment of the pruning distance. The rubber pad 26 of the protective blade housing 2 protects and supports the protective blade housing 2, allowing it to lie flat on the ground.

[0025] In this embodiment, the telescopic slide 4 , the electric push rod 41 , the constant force spring 42 , the limiting slide 31 , the small motor 32 and the upper rotating disk 33 constitute an automatic retraction structure of the trimming blade 3 .

[0026] As a preferred embodiment, the automatic retraction structure of the trimming blade 3 facilitates the smooth and automatic extension and retraction of the trimming blade 3, avoiding the manual hand-held trimming device from accidentally touching the exposed blade, reducing the safety hazards when the trimming device is moved for trimming, and facilitating safety protection to prevent the blade from accidentally injuring the trimmer and outsiders.

[0027] The poplar branch pruning device of the utility model can effectively solve the problem that the exposed saw blade is easily scratched during daily manual hand-held pruning and movement, realizes a poplar branch pruning device with an automatic retraction function of the tool, avoids the manual hand-held pruning device from accidentally touching the blade and causing scratches, reduces the safety hazard when the pruning device is moving for pruning, facilitates safety protection, and improves the safety prevention performance of the pruning device, which is suitable for poplar branch pruning devices.

Claims

1. A poplar branch pruning device, comprising: The invention comprises a trimming rod body (1), a protective tool housing (2) and a trimming blade (3), wherein the right end of the trimming rod body (1) is connected to the protective tool housing (2) via a threaded rod (24), and the trimming blade (3) is arranged in the cavity of the protective tool housing (2), and is characterized in that: The upper surface of the protective tool housing (2) is slidably connected to a limiting slide (31) through a connecting groove (23); the lower end of the limiting slide (31) is connected to an upper rotating disk (33) through a small motor (32) shaft; the lower end of the upper rotating disk (33) is connected to a lower rotating disk (43) through bolts; a trimming blade (3) is clamped and fixed between the upper rotating disk (33) and the lower rotating disk (43); the lower end of the lower rotating disk (43) is movably connected to a telescopic slide (4); the left end of the telescopic slide (4) is connected to an electric push rod (41); and constant force springs (42) are distributed on both sides of the telescopic slide (4).

2. A poplar branch pruning device according to claim 1, characterized in that: The outer surface of the trimming rod body (1) is sleeved with an anti-slip sleeve (11), and the upper surface of the trimming rod body (1) is embedded with a control panel (12) fixed thereto; and the control panel (12) is electrically connected to an electric push rod (41).

3. The poplar branch pruning device according to claim 1, characterized in that: A cylindrical storage cavity (27) is provided inside the protective tool housing (2); the trimming blade (3) is located in the middle of the storage cavity (27); and an arc-shaped notch is provided at the right end of the storage cavity (27).

4. The poplar branch pruning device according to claim 1, characterized in that: Two groups of arc-shaped brush plates (21) are screwed and fixed to the arc surface on the right side of the protective tool housing (2); and the two groups of arc-shaped brush plates (21) are distributed at the upper and lower ends of the arc-shaped notch on the right side of the protective tool housing (2).

5. The poplar branch pruning device according to claim 1, characterized in that: A threaded rod (24) is welded to the left side of the protective tool housing (2) via a connecting block (22), and the threaded rod (24) is screwed into a threaded groove on the inner side of the trimming rod body (1).

6. The poplar branch pruning device according to claim 1, characterized in that: A downward convex cross fixing plate (25) is welded to the lower end surface of the protective tool housing (2), a rubber pad (26) is bonded to the lower surface of the cross fixing plate (25), and an electric push rod (41) is embedded and fixed inside the cross fixing plate (25).

7. The poplar branch pruning device according to claim 1, characterized in that: The telescopic slide (4), electric push rod (41), constant force spring (42), limit slide (31), small motor (32) and upper rotating disk (33) constitute the automatic retraction structure of the trimming blade (3).

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