Branch pruning device for landscape tree

Abstract

The utility model relates to the technical field of branch pruning, and discloses a branch pruning device for landscape trees, which comprises a first pruning knife and a second pruning knife, the first pruning knife is fixedly mounted on one side of the top end of an adjusting rod, the top end of the adjusting rod is provided with a limiting groove, and the inner side of the limiting groove is slidably connected with a limiting strip. The servo motor is controlled to work, the small gear can be driven to rotate, the winding drum can be driven to rotate stably through the large gear and the driving rod, winding operation of the steel wire rope is achieved, the limiting strip can be pulled through the sliding rod to move downwards in the limiting groove, and therefore the second trimming cutter is driven to move downwards to be close to the first trimming cutter. Branches between the first pruning knife and the second pruning knife are further automatically pruned, bolts are removed, the connecting length of an adjusting rod and an adjusting cylinder can be adjusted, and branches of different heights can be further pruned.

Description

TECHNICAL FIELD

[0001] The utility model relates to branch pruning technical field, concretely is a branch pruning device for landscape tree. BACKGROUND

[0002] The branch pruning work of landscape tree is important for the healthy growth, beautiful modeling and the safety of surrounding environment of tree.

[0003] Through the search, the authorization announcement No. CN220755653U discloses a pomegranate planting pruning device, including handle, the fixed cutter head for pruning branch set up in the handle upper part and the movable cutter head for cooperating with the fixed cutter head pruning branch hinged in the fixed cutter head lower end, the long rod is fixedly installed on the handle upper end, the fixed cutter handle is fixedly installed on the long rod upper end, the convex block two is welded on the fixed cutter handle side, the motor is fixedly installed on the back of the convex block two, the expansion mechanism for opening the scissors is arranged on the motor output end.

[0004] In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art have not been solved, the above-mentioned case sets up the trigger mechanism, the slide bar welded on the movable cutter handle side is extruded under the extrusion of the cam fixedly installed on the motor output end to open the scissors, the stop block rotatably connected on the convex block side blocks the slide bar, when the cam pushes the slide block to move downward, the stop block no longer blocks the slide bar, under the action of the restoring force of the spring two, the scissors are triggered to prune the branches. But in the using process, some branches have high hardness, and it is difficult to effectively push the scissors to cut the branches by the elastic force of the single spring, and it is not convenient to adjust the pruning height.

[0005] Therefore, we propose a branch pruning device for landscape tree, which can solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a branch pruning device for landscape tree, which solves the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a branch pruning device for landscape tree, including first pruning scissors and second pruning scissors, the first pruning scissors are fixedly installed on one side of the adjusting rod top, the top of the adjusting rod is provided with a limiting slot, the inner side of the limiting slot is slidably connected with a limiting strip, one end of the limiting strip outside the limiting slot is fixedly connected with the end of the second pruning scissors far away from the first pruning scissors, further including a driving mechanism for driving the second pruning scissors to move up and down, and an adjusting mechanism for adjusting the pruning height of the second pruning scissors.

[0008] As an optional solution of the technical scheme of the application, the driving mechanism comprises an adjusting cylinder and a winding drum, a steel wire rope is wound on the outer side of the winding drum, a sliding groove is vertically and centrally formed in the inner wall of the bottom end of the limiting groove, a sliding rod is vertically and fixedly installed in the middle of the bottom side of the limiting strip, the sliding rod is in sliding connection with the sliding groove, and one end of the steel wire rope away from the winding drum is fixedly connected with one end of the sliding rod inside the sliding groove.

[0009] As an optional solution of the technical scheme of the application, the bottom end of the inner wall of one side of the adjusting cylinder is fixedly connected with a small servo motor, the shaft end of the servo motor is fixedly connected with a small gear, the middle of the winding drum is vertically and fixedly installed with a driving rod, the side of the driving rod close to the small gear is vertically and fixedly installed with a large gear, the small gear is in meshing connection with the large gear, and the two ends of the driving rod are in rotary connection with the inner walls of the two sides of the adjusting cylinder through bearings.

[0010] As an optional solution of the technical scheme of the application, the bottom side of the limiting strip is provided with a spring, the spring is sleeved on the outer side of the sliding rod, and the limiting strip is matched in size with the limiting groove.

[0011] As an optional solution of the technical scheme of the application, the adjusting mechanism comprises first fixing holes, the first fixing holes are equidistantly formed in the two sides of the adjusting rod from top to bottom, the two sides of the top end of the adjusting cylinder are symmetrically formed with second fixing holes, and the adjusting cylinder and the adjusting rod are fixedly connected through bolts penetrating the second fixing holes and the first fixing holes.

[0012] As an optional solution of the technical scheme of the application, the second pruning shears are arranged above the first pruning shears, and the adjusting cylinder and the adjusting rod are matched in size.

[0013] Compared with the prior art, the application has the following beneficial effects: the servo motor is controlled to work, the small gear is driven to rotate, the winding drum is stably driven to rotate through the large gear and the driving rod, the steel wire rope is wound, the limiting strip is moved downward in the limiting groove through the sliding rod, the second pruning shears are moved downward to be close to the first pruning shears, the branch between the first pruning shears and the second pruning shears is further automatically pruned, the bolts are removed, the connection length of the adjusting rod and the adjusting cylinder can be adjusted, and branches of different heights can be further pruned. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0015] Fig. 1 Fig. 1 is a front view of a branch pruning device for landscape trees according to the application;

[0016] Fig. 2The utility model provides a branch pruning device for landscape tree's A part schematic drawing.

[0017] Fig. 3 The utility model provides a branch pruning device for landscape tree's B part schematic drawing.

[0018] In the drawing: 1, first pruning knife;11, adjusting rod;12, second pruning knife;13, limiting groove;14, limiting strip;15, sliding groove;16, sliding rod;17, spring;18, steel wire rope;19, adjusting cylinder;2, servo motor;21, pinion;22, winding drum;23, drive rod;24, gear wheel;3, first fixed hole;31, second fixed hole;32, bolt. Specific implementation

[0019] Please refer to Figs. 1-3 The utility model provides a technical scheme: a branch pruning device for landscape tree, including first pruning knife 1 and second pruning knife 12, first pruning knife 1 fixed mounting in the top of adjusting rod 11 one side, second pruning knife is placed in the just above first pruning knife, and the top of adjusting rod 11 is provided with limiting groove 13, and the inner side of limiting groove 13 is slidably connected with limiting strip 14, and one end of limiting strip 14 is fixedly connected with the bottom side of second pruning knife 12 away from first pruning knife 1, further including the drive mechanism for driving second pruning knife 12 to move up and down, and the drive mechanism includes adjusting cylinder 19 and winding drum 22, and the outer side of winding drum 22 is connected with steel wire rope 18, and the middle part of the inner wall of the bottom end of limiting groove 13 is vertically provided with sliding groove 15, and the middle part of the bottom side of limiting strip 14 is vertically fixedly installed with sliding rod 16, and sliding rod 16 is slidably connected with sliding groove 15, and one end of steel wire rope 18 away from winding drum 22 is fixedly connected with one end of sliding rod 16 in the inner side of sliding groove 15, and the bottom end of the inner wall of one side of adjusting cylinder 19 is fixedly connected with small servo motor 2, and the shaft end of servo motor 2 is fixedly connected with pinion 21, and the middle part of winding drum 22 is vertically penetrated and fixedly installed with drive rod 23, and one side of drive rod 23 close to pinion 21 is penetrated and fixedly installed with gear wheel 24, and pinion 21 is engaged with gear wheel 24, and the both ends of drive rod 23 are rotatably connected with the inner wall of both sides of adjusting cylinder 19 through bearing.

[0020] In the technical scheme, the first pruning blade 1 and the second pruning blade 12 can be lifted to a specified height by adjusting the rod 11 and the adjusting cylinder 19, the branches to be pruned are placed between the first pruning blade 1 and the second pruning blade 12, the controller at the bottom end of the adjusting cylinder 19 controls the servo motor 2 to work, the pinion 21 is driven to rotate, the driving rod 23 is fixedly connected with the gear 24, the winding drum 22 fixedly connected with the driving rod 23 is stably driven to rotate in the process of rotation of the pinion 21, the winding operation of the steel wire rope 18 is realized, the limiting strip 14 is pulled downward in the limiting groove 13 through the slide rod 16, the second pruning blade 12 is driven to move downward and close to the first pruning blade 1, and the branches between the first pruning blade 1 and the second pruning blade 12 are further automatically pruned, which is convenient and fast.

[0021] In the embodiment, the bottom side of the limiting strip 14 is provided with the spring 17, the spring 17 is sleeved outside the slide rod 16, and the limiting strip 14 is matched with the limiting groove 13 in size.

[0022] In the technical scheme, when the steel wire rope 18 is wound, the limiting strip 14 is pulled downward through the slide rod 16, the spring 17 in the limiting groove 13 is compressed, the servo motor 2 is controlled to drive the pinion 21 to rotate reversely after the branches are cut off, the winding drum 22 is reversely rotated to release the steel wire rope 18, the limiting strip 14 is pushed upward through the elastic force of the spring 17, the second pruning blade 12 is further pushed to move upward and away from the first pruning blade 1, and subsequent branch pruning operation is facilitated. It should be noted that the winding amount and the releasing amount of the steel wire rope 18 need to be controlled, the spring 17 is limited through the slide rod 16, and the inclination of the spring 17 in the compression and expansion process is avoided, and the use effect of the spring 17 is affected.

[0023] In the embodiment, the adjusting mechanism for adjusting the pruning height of the second pruning blade 12 comprises the first fixed hole 3, the first fixed hole 3 is equidistantly arranged on the two sides of the adjusting rod 11 from top to bottom, the second fixed hole 31 is symmetrically arranged on the two sides of the top end of the adjusting cylinder 19, the adjusting cylinder 19 and the adjusting rod 11 are fixedly connected through the bolts 32 penetrating the second fixed hole 31 and the first fixed hole 3, and the sizes of the adjusting cylinder 19 and the adjusting rod 11 are matched.

[0024] In the technical scheme, when the trimming height of the first trimming cutter 1 and the second trimming cutter 12 needs to be adjusted, the bolt 32 inside the first fixing hole 3 and the second fixing hole 31 is removed, the fixed connection between the adjusting rod 11 and the adjusting cylinder 19 can be contacted, the length of the connection between the adjusting rod 11 and the adjusting cylinder 19 is adjusted, the servo motor 2 is controlled to work according to the adjustment of the length of the connection between the adjusting rod 11 and the adjusting cylinder 19, the rotation of the winding drum 22 is controlled to realize the release and winding of the steel wire rope 18, and the second trimming cutter 12 can be adjusted in the use height along with the first trimming cutter 1 at the top end of the adjusting rod 11.

[0025] In the technical scheme, when the trimming height of the first trimming cutter 1 and the second trimming cutter 12 needs to be adjusted, the bolt 32 inside the first fixing hole 3 and the second fixing hole 31 is removed, the fixed connection between the adjusting rod 11 and the adjusting cylinder 19 can be contacted, the length of the connection between the adjusting rod 11 and the adjusting cylinder 19 is adjusted, the servo motor 2 is controlled to work according to the adjustment of the length of the connection between the adjusting rod 11 and the adjusting cylinder 19, the rotation of the winding drum 22 is controlled to realize the release and winding of the steel wire rope 18, and the second trimming cutter 12 can be adjusted in the use height along with the first trimming cutter 1 at the top end of the adjusting rod 11.

Claims

1. A branch pruning device for landscape trees, comprising a first pruning blade (1) and a second pruning blade (12), characterized in that, The first pruning knife (1) is fixedly installed on one side of the top end of the adjusting rod (11), the top end of the adjusting rod (11) is provided with a limiting groove (13), the inner side of the limiting groove (13) is slidably connected with a limiting strip (14), one end of the limiting strip (14) located outside the limiting groove (13) is fixedly connected with the bottom side of the second pruning knife (12) away from the first pruning knife (1), a driving mechanism for driving the second pruning knife (12) to move up and down is further arranged, and an adjusting mechanism for adjusting the pruning height of the second pruning knife (12) is further arranged.

2. A branch pruning apparatus for landscape trees according to claim 1, characterized in that: The driving mechanism comprises an adjusting cylinder (19) and a winding drum (22), the outer side of the winding drum (22) is wound with a steel wire rope (18), the middle part of the inner wall of the bottom end of the limiting groove (13) is vertically and throughly provided with a sliding groove (15), the middle part of the bottom side of the limiting strip (14) is vertically and fixedly provided with a sliding rod (16), the sliding rod (16) is slidably connected with the sliding groove (15), and one end of the steel wire rope (18) away from the winding drum (22) is fixedly connected with one end of the sliding rod (16) located inside the sliding groove (15).

3. A branch pruning apparatus for landscape trees according to claim 2, characterized in that: The bottom end of the inner wall of one side of the adjusting cylinder (19) is fixedly connected with a small servo motor (2), the shaft end of the servo motor (2) is fixedly connected with a small gear (21), the middle part of the winding drum (22) is horizontally and fixedly provided with a driving rod (23), the side of the driving rod (23) close to the small gear (21) is throughly and fixedly provided with a large gear (24), the small gear (21) is engaged with the large gear (24), and the two ends of the driving rod (23) are rotatably connected with the inner walls of the two sides of the adjusting cylinder (19) through bearings.

4. The branch pruning apparatus for landscape trees according to claim 2, wherein: The bottom side of the limiting strip (14) is provided with a spring (17), the spring (17) is sleeved on the outer side of the sliding rod (16), and the limiting strip (14) is matched in size with the limiting groove (13).

5. The branch pruning apparatus for landscape trees according to claim 2, wherein: The adjusting mechanism comprises first fixing holes (3) which are equidistantly and downwardly arranged on the two sides of the adjusting rod (11), the two sides of the top end of the adjusting cylinder (19) are symmetrically provided with second fixing holes (31), and the adjusting cylinder (19) and the adjusting rod (11) are fixedly connected through bolts (32) penetrating the second fixing holes (31) and the first fixing holes (3).

6. The branch pruning apparatus for landscape trees according to claim 2, wherein: The second pruning knife is located directly above the first pruning knife, and the adjusting cylinder (19) and the adjusting rod (11) are matched in size.

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