CN220712169U - Elm crown pruning tool - Google Patents

Abstract

The application relates to the technical field of tree crown pruning, in particular to an elm crown pruning tool. Comprising the following steps: comprising the following steps: a clamping structure, a connecting structure and a shearing structure; the clamping structure comprises a clamping end, a connecting rod and a gripping end; the two clamping ends are arranged in a coplanar manner and are oppositely arranged in a manner that the concave sides are opposite; one end side of the connecting rod is fixedly connected with one thickness end side of the clamping end, which is positioned at the arc end point; the grip end is provided on the other end side in the length extending direction in the connecting rod; the two connecting rods are in cross rotation connection; the connection structure includes: a support plate vertically connected to two connection rods located on the same side during rotation; the shearing structure comprises: and a blade connected with the connecting rod. The vertical distance between the clamping structures can effectively assist in determining the pruning length, and in the process, the clamping structures close to the bottoms of the branches only need to be abutted against the bottoms of the branches, and the pruning length can be ensured by pruning the branches at the moment.

Description

Elm crown pruning tool

Technical Field

The application relates to the technical field of tree crown pruning, in particular to an elm crown pruning tool.

Background

In the production and life, aiming at the requirements of pruning elms, the elms can be usually pruned into crowns, and if the requirements are higher, each branch can be pruned into a fixed length, so that the elms are convenient to repair.

In the prior art, the utility model patent with application number 201920897852.3 discloses a technical scheme of a tomato planting pruning device, wherein a blade is arranged to prune plant branches;

the technical scheme can realize pruning of branches, but cannot control the length of the branches, so that the scheme cannot be completed aiming at the pruning requirement of elms with higher requirements.

Disclosure of Invention

The utility model provides a pruning tool of elm crown can solve the pruning tool among the prior art and can't satisfy the problem of elm with the branch pruning fixed length.

The technical scheme of this application is a pruning tool of elm crown, includes: a clamping structure, a connecting structure and a shearing structure;

the clamping structure comprises: the clamping ends, the connecting rods and the gripping ends are sequentially connected and are arranged in pairs;

the clamping ends are in an arc shape in overlooking, the two clamping ends are arranged in a coplanar mode, and the concave sides are arranged oppositely; one end side of the rod-shaped connecting rod in the length extending direction is fixedly connected with one thickness end side of the clamping end at the arc end point; the grip end is provided on the other end side in the length extending direction in the connecting rod;

the two connecting rods are in cross rotation connection, and the two connecting rods can be rotated through the operation of the gripping ends to indirectly drive the two gripping ends to be close to or far away from each other;

the clamping structures are arranged in pairs along the vertical direction, planes of the two clamping structures are arranged in parallel, and vertical projection shapes are arranged in the same mode;

the connection structure includes: a support plate vertically connected to two connection rods located on the same side during rotation;

the shear structure comprises: a blade connected to the connecting rod; when two clamping ends clamp the branches, the two blades can cut the branches.

Optionally, the method further comprises: a magnetic attraction piece;

the magnetic attraction piece is arranged on the other thickness end side of the clamping end at the arc end point; when the two clamping ends rotate to be close to each other, the two magnetic attraction pieces can be movably connected with the two clamping ends.

Optionally, the clamping structure further comprises: a rotating piece; further comprises: the pin shaft and the fixed block;

the rotating piece is arranged on the rod body of the connecting rod, and a round hole is formed in the rotating piece in a penetrating mode;

the pin shaft is used for penetrating round holes in four rotating plates in two clamping structures in the vertical direction; the fixed block is used for limiting and connecting the end side, which penetrates out of the pin shaft and is positioned on the length extending direction, of the rotating piece.

Optionally, in each of the clamping structures, two of the connecting rods are arranged non-coplanar; when the two connecting rods are rotated relatively through the rotating piece by operating the gripping ends, the two connecting rods can rotate to the position where vertical projections coincide;

the vertical distance between two connecting rods positioned on the same side in the rotation process is smaller than the vertical distance between the other two connecting rods positioned on the same side in the rotation process;

and, the connection structure further includes: grasping the rod;

the grabbing rods are vertically connected with two connecting rods positioned on the same side in the rotation process; the vertical lengths of the two grabbing rods are different, and when the two clamping structures are simultaneously rotated by operating the grabbing rods, the grabbing rods with the shorter vertical lengths can be movably embedded between the two connecting rods which are located on the same side with the grabbing rods with the longer vertical lengths.

Optionally, the blade is disposed above the connecting rod on the top side in the clamping structure on the top side;

the shear structure further comprises: a fixed block;

the fixed block is used for connecting the blade and the connecting rod which is positioned below the blade and is closest to the blade.

Optionally, the blade is disposed between two of the clamping structures;

the plate surface of the supporting plate is arranged in parallel with the vertical surfaces where the two connecting rods positioned on the same side are positioned in the rotation process; a plurality of connecting holes which are arranged in a row along the vertical direction are penetrated and formed in the plate surface of the supporting plate;

and, the shear structure further comprises: a limiting plate and a fixing piece;

the limiting plate is fixedly connected with the other end side of the blade, which is opposite to the knife tip; the limiting plates are U-shaped in overlooking, and a pair of vertical plate surfaces which are arranged in parallel in the limiting plates can clamp the plate surfaces of the supporting plates and can move in the vertical direction relative to the plate surfaces of the supporting plates;

limiting holes are formed in two vertical plate surfaces of the limiting plate;

the fixing piece is used for detachably connecting the supporting plate and the limiting plate through the connecting hole and the limiting hole.

Optionally, the number of the supporting plates between the two connecting rods positioned on the same side in the rotation process is a plurality of the supporting plates and the plurality of the supporting plates are arranged in a coplanar manner;

the connecting holes are formed in the support plate closest to the clamping end and the support plate farthest from the clamping end;

two limiting holes matched with the connecting holes are formed in each vertical plate surface of the limiting plate.

Optionally, the method further comprises: an anti-slip part;

the anti-slip part surrounds the outer peripheral surface of each grabbing rod; the surface of the anti-slip part is provided with a plurality of protruding edges which are vertically arranged.

The beneficial effects are that:

according to the elm branch clamping device, the two clamping structures which are arranged in pairs in the vertical direction and have the same vertical projection shape are used for clamping the elm branch; the blade is connected with the connecting rod in the clamping structure, so that branches clamped by the clamping structure can be trimmed;

in summary, the vertical distance between the clamping structures can effectively assist in determining the pruning length, in the process, only the clamping structure close to the bottom of the branch needs to be abutted against the bottom of the branch, and the pruning length can be ensured by pruning the branch at the moment, so that the pruning tool in the prior art can solve the problem that the pruning tool cannot meet the requirement of elms and prunes the branch into a fixed length.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of a crown pruning tool at a first angle according to an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of the crown pruning shear at a second angle according to the first embodiment of the present application;

FIG. 3 is a top view of the elm crown pruning shear according to the first embodiment of the present application;

fig. 4 is a schematic structural view of a crown pruning tool at a third angle according to a second embodiment of the present application;

FIG. 5 is a partial schematic view of portion A of FIG. 4;

fig. 6 is a schematic structural view of a crown pruning tool at a fourth angle according to a second embodiment of the present application;

FIG. 7 is a top view of a crown pruning shear of elm in a second embodiment of the present application;

in the figure, 1-clamp structure; 11-clamping ends; 12-magnetic attraction piece; 13-connecting rods; 14-a rotating piece; 15-a gripping end;

a 2-linkage structure; 21-a support plate; 211-connecting holes; 22-grip lever; 23-anti-slip parts;

3-a rotating structure; 31-pin shafts; 32-fixing blocks;

4-shear structure; 41-a blade; 42-fixing blocks; 43-limiting plates; 44-fixing piece.

Detailed Description

Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the present application. Merely as examples of systems and methods consistent with some aspects of the present application as detailed in the claims.

Example 1

Embodiments of the present application provide an elm crown pruning tool, as shown in figures 1 and 2,

fig. 1 is a schematic view of the structure of the elm crown pruning tool at a first angle according to the first embodiment of the present application,

fig. 2 is a schematic structural diagram of a crown pruning tool at a second angle according to an embodiment of the present application, including: a clamping structure 1, a connecting structure 2, a rotating structure 3 and a shearing structure 4.

The clamping structure 1 is used for clamping the trunk, and the convenient shearing structure 4 shears branches. Wherein, the clamping structure 1 includes: a clamping end 11, a magnetic attraction piece 12, a connecting rod 13, a rotating piece 14 and a gripping end 15. The clamping structures 1 are arranged in pairs along the vertical direction, and planes of the two clamping structures 1 are arranged in parallel and the vertical projection shapes are arranged identically. The clamping end 11, the connecting rod 13 and the gripping end 15 are connected in sequence and are all arranged in pairs.

The clamping ends 11 are arc-shaped in plan view, and the two clamping ends 11 are arranged in a coplanar manner and are arranged opposite to each other with the concave sides facing each other. The two clamping ends 11 can be matched to clamp the branches.

The magnetic attraction member 12 is provided on the other thickness end side at the arc end point in the grip end 11. When the two clamping ends 11 are rotated to approach each other, the two magnetic attraction pieces 12 can be movably connected with respect to the two clamping ends 11. The arrangement of the magnetic attraction element 12 helps to strengthen the stability of the two gripping ends 11 when they grip a tree branch.

One end side of the rod-shaped connecting rod 13 in the length extending direction is fixedly connected with one thickness end side of the clamping end 11 at the arc end point. The two connecting rods 13 are in a cross rotation connection, and the two clamping ends 11 can be indirectly driven to be close to or far from each other by operating the gripping ends 15 to rotate the two connecting rods 13. In each clamping structure 1, the two connecting rods 13 are arranged non-coplanar.

As shown in fig. 3, fig. 3 is a top view of the elm crown pruning tool according to the first embodiment of the present application, wherein the vertical distance between two connecting rods 13 located on the same side during rotation is smaller than the vertical distance between the other two connecting rods 13 located on the same side during rotation. When the two connecting rods 13 are relatively rotated by the rotating plate 14 by operating the grip end 15, the two connecting rods 13 can be rotated to a position where vertical projections overlap.

The rotating piece 14 is arranged on the rod body of the connecting rod 13, and a round hole is formed in the rotating piece 14 in a penetrating manner.

The grip end 15 is provided on the other end side in the length extending direction in the connecting rod 13.

The connecting structure 2 is used for connecting the two clamping structures 1, so that the two clamping structures 1 can be conveniently moved simultaneously. Wherein the connection structure 2 comprises: a support plate 21 and a grab bar 22.

The support plate 21 is vertically connected for two connecting rods 13 located on the same side during rotation.

The grab bar 22 is vertically connected for the two connecting bars 13 located on the same side during rotation. The two grab bars 22 are different in vertical length, and when the two clamping structures 1 are simultaneously rotated by operating the grab bars 22, the grab bar 22 having a shorter vertical length is movably inserted between the two connecting bars 13 located on the same side as the grab bar 22 having a longer vertical length.

The rotating structure 3 is used for supporting the two clamping structures 1 to rotate around the pin shaft 31, wherein the rotating structure 3 comprises: a pin 31 and a fixed block 32.

The pin 31 is used to penetrate through round holes in four rotating plates 14 in two clamping structures 1 in the vertical direction.

The fixed block 32 is used for limiting and connecting the end side of the pin shaft 31 penetrating through the rotary piece 14 in the length extending direction.

The shearing structure 4 is for shearing against branches, wherein the shearing structure 4 comprises: a blade 41 and a fixed block 42.

The blade 41 is arranged above the top-side connecting rod 13 in the top-side clamping structure 1. When the two blades 41 are brought close to each other into contact by the clamping structure 1, shearing can be performed against the branches clamped by the clamping ends 11.

The fixing block 42 is used to connect the blade 41 and the connecting rod 13 located below the blade 41 and closest to the blade 41.

Working principle:

when the tree branches of elms need to be trimmed, the two clamping structures 1 can be rotated by operating the grabbing rods 22, so that the two clamping ends 11 and the connecting rods 13 in each clamping structure 1 rotate in the directions away from each other, then the tool is moved to the root close to the tree trunk needing to be trimmed, the four clamping ends 11 in the two clamping structures 1 clamp the tree trunk, the two clamping ends 11 and the connecting rods 13 in each clamping structure 1 rotate in the directions close to each other by operating the grabbing rods 22, and when the two clamping ends 11 abut against each other or are close to each other at the nearest distance, the two blades 41 can cut the numbers clamped by the clamping ends 11.

Example two

In the second embodiment of the present application, as compared with the first embodiment, as shown in fig. 4, 5 and 6, fig. 4 is a schematic structural view of the elm crown pruning tool in the second embodiment of the present application at a third angle, fig. 5 is a partial schematic view of the portion a in fig. 4, and fig. 6 is a schematic structural view of the elm crown pruning tool in the second embodiment of the present application at a fourth angle, and the blade 41 is disposed between the two clamping structures 1;

and the plate surface of the supporting plate 21 is arranged in parallel with the vertical surfaces where the two connecting rods 13 positioned on the same side are positioned in the rotation process; a plurality of connecting holes 211 which are arranged in a row along the vertical direction are penetrated and formed on the plate surface of the supporting plate 21; the number of the support plates 21 between the two connecting rods 13 on the same side during rotation is a plurality of the support plates 21 and the plurality of the support plates 21 are arranged in a coplanar manner.

And, a connection hole 211 is opened on the support plate 21 closest to the clamping end 11 and the support plate 21 farthest from the clamping end 11.

And, two limiting holes matched with the connecting holes 211 are formed on each vertical plate surface of the limiting plate 43.

And, the connection structure 2 further includes: an anti-slip part 23.

The anti-slip portion 23 surrounds the outer peripheral surface of each grab bar 22. The surface of the anti-slip part 23 is provided with a plurality of ribs which are vertically arranged.

And, as shown in fig. 7, fig. 7 is a top view of a crown pruning tool of elm in the second embodiment of the present application, and the shearing structure 4 further includes: a limiting plate 43 and a fixing member 44.

The limiting plate 43 is fixedly connected to the other end side of the blade 41 which is disposed opposite to the cutting edge. The limiting plate 43 is U-shaped in a top view, and a pair of vertical plate surfaces arranged in parallel in the limiting plate 43 can clamp the plate surface of the supporting plate 21 and can move in the vertical direction relative to the plate surface of the supporting plate 21.

The fixing member 44 is used for detachably connecting the support plate 21 and the limiting plate 43 through the connecting hole 211 and the limiting hole. The fixing member 44 may be a bolt, and the connection hole 211 and the limiting hole may be screw holes. The fixing member 44 may be other fixing structures, and the present application is not limited thereto, and will not be described in detail.

Working principle:

when the branches of elms need to be trimmed, firstly determining the length of the trunk to be reserved, after determining the length, removing the fixing piece 44, then operating the limiting plate 43 to move along the supporting plate 21 until the limiting plate moves to a proper position, enabling the limiting holes to correspond to the connecting holes 211, and then connecting the supporting plate 21 with the limiting plate 43 through the fixing piece 44 to complete the connection of the blade 41 and the supporting plate 21;

in a specific trimming process, the two clamping structures 1 can be rotated by operating the anti-slip part 23, so that the two clamping ends 11 and the connecting rod 13 in each clamping structure 1 rotate in a direction away from each other, then the tool is moved to approach the root of the trunk to be trimmed, so that the four clamping ends 11 in the two clamping structures 1 clamp the trunk, then the gripping rod 22 is operated, so that the two clamping ends 11 and the connecting rod 13 in each clamping structure 1 rotate in a direction approaching each other, and when the two clamping ends 11 abut or approach each other at the nearest distance, the two blades 41 can cut the numbers clamped by the clamping ends 11.

The foregoing detailed description of the embodiments of the present application has been provided for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application. All equivalent changes and modifications within the scope of the present application should be made within the scope of the present application.

Claims (8)

1. A elm crown pruning tool, comprising: a clamping structure, a connecting structure and a shearing structure;

the clamping structure comprises: the clamping ends, the connecting rods and the gripping ends are sequentially connected and are arranged in pairs;

the clamping ends are in an arc shape in overlooking, the two clamping ends are arranged in a coplanar mode, and the concave sides are arranged oppositely; one end side of the rod-shaped connecting rod in the length extending direction is fixedly connected with one thickness end side of the clamping end at the arc end point; the grip end is provided on the other end side in the length extending direction in the connecting rod;

the two connecting rods are in cross rotation connection, and the two connecting rods can be rotated through the operation of the gripping ends to indirectly drive the two gripping ends to be close to or far away from each other;

the clamping structures are arranged in pairs along the vertical direction, planes of the two clamping structures are arranged in parallel, and vertical projection shapes are arranged in the same mode;

the connection structure includes: a support plate vertically connected to two connection rods located on the same side during rotation;

the shear structure comprises: a blade connected to the connecting rod; when two clamping ends clamp the branches, the two blades can cut the branches.

2. The elm crown pruning shear of claim 1, further comprising: a magnetic attraction piece;

the magnetic attraction piece is arranged on the other thickness end side of the clamping end at the arc end point; when the two clamping ends rotate to be close to each other, the two magnetic attraction pieces can be movably connected with the two clamping ends.

3. The elm crown pruning shear of claim 1, wherein the gripping structure further comprises: a rotating piece; further comprises: the pin shaft and the fixed block;

the rotating piece is arranged on the rod body of the connecting rod, and a round hole is formed in the rotating piece in a penetrating mode;

the pin shaft is used for penetrating round holes in four rotating plates in two clamping structures in the vertical direction; the fixed block is used for limiting and connecting the end side, which penetrates out of the pin shaft and is positioned on the length extending direction, of the rotating piece.

4. A elm crown pruning shear according to claim 3, wherein in each of the gripping formations, two of the connecting rods are non-coplanar; when the two connecting rods are rotated relatively through the rotating piece by operating the gripping ends, the two connecting rods can rotate to the position where vertical projections coincide;

the vertical distance between two connecting rods positioned on the same side in the rotation process is smaller than the vertical distance between the other two connecting rods positioned on the same side in the rotation process;

and, the connection structure further includes: grasping the rod;

the grabbing rods are vertically connected with two connecting rods positioned on the same side in the rotation process; the vertical lengths of the two grabbing rods are different, and when the two clamping structures are simultaneously rotated by operating the grabbing rods, the grabbing rods with the shorter vertical lengths can be movably embedded between the two connecting rods with the longer vertical lengths, and the two connecting rods are located on the same side.

5. The elm crown pruning shear of claim 4, wherein the blade is disposed above the top-side connecting rod in the top-side gripping structure;

the shear structure further comprises: a fixed block;

the fixed block is used for connecting the blade and the connecting rod which is positioned below the blade and is closest to the blade.

6. The elm crown pruning shear of claim 4, wherein said blade is disposed between two of said gripping structures;

the plate surface of the supporting plate is arranged in parallel with the vertical surfaces where the two connecting rods positioned on the same side are positioned in the rotation process; a plurality of connecting holes which are arranged in a row along the vertical direction are penetrated and formed in the plate surface of the supporting plate;

and, the shear structure further comprises: a limiting plate and a fixing piece;

the limiting plate is fixedly connected with the other end side of the blade, which is opposite to the knife tip; the limiting plates are U-shaped in overlooking, and a pair of vertical plate surfaces which are arranged in parallel in the limiting plates can clamp the plate surfaces of the supporting plates and can move in the vertical direction relative to the plate surfaces of the supporting plates;

limiting holes are formed in two vertical plate surfaces of the limiting plate;

the fixing piece is used for detachably connecting the supporting plate and the limiting plate through the connecting hole and the limiting hole.

7. The elm crown pruning shear according to claim 6, wherein the number of said support plates provided between two said connecting rods on the same side during rotation is a number and the number of said support plates are co-planar;

the connecting holes are formed in the support plate closest to the clamping end and the support plate farthest from the clamping end;

two limiting holes matched with the connecting holes are formed in each vertical plate surface of the limiting plate.

8. The elm crown pruning shear of claim 6, further comprising: an anti-slip part;

the anti-slip part surrounds the outer peripheral surface of each grabbing rod; the surface of the anti-slip part is provided with a plurality of protruding edges which are vertically arranged.