Longan crown dwarfing pruning device

Abstract

The utility model discloses a longan crown dwarfing pruning device which comprises a supporting cylinder, one end of the supporting cylinder is connected with one side of an adjusting rod in a sliding and sleeved mode, the other side of the adjusting rod is fixedly connected with a mounting base, a sliding groove is formed in one end of the mounting base in an inwards-concave mode, a fine branch pruning assembly is movably arranged in the sliding groove, and an electric chain saw body is movably arranged on one side of the fine branch pruning assembly. One end of the electric chain saw body is fixedly connected with the transmission assembly, and the transmission assembly is installed on one side of the installation base. The outer wall of one side of the supporting cylinder is fixedly connected with a take-up assembly. Branches of a longan crown can be pruned through the branch pruning assembly, when thick branches of the longan crown need to be pruned, the branch pruning assembly clamps and supports the branches and is matched with the electric chain saw body to prune the thick branches, and meanwhile the transmission assembly drives the electric chain saw body to swing, so that the branches can be cut off; and the application universality of pruning is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to longan tree crown pruning technical field, specifically is a longan tree crown dwarf pruning device. BACKGROUND

[0002] Longan is a famous subtropical fruit in China, with the largest area and yield in the world. In the high-quality and high-yield cultivation technology of longan, thinning flowers and fruits and crown management have become routine measures. Longan crown management mainly includes pruning, retracting and pulling branches to shape the tree body. For example, long branches that affect the structure of the tree body, such as overgrown branches, high branches and dense branches, are removed or cut short to promote the growth and fruiting of longan by adjusting the crown. Therefore, a pruning device is needed.

[0003] According to the search, a tree branch pruning tool disclosed in Chinese patent application No. CN202011540632.9 includes a handle rod, a handle connected to the bottom of the handle rod, a motor connected to the top of the handle rod, a first gear connected to the power output end of the motor, a fixed block connected to the top of the handle rod, a rotating shaft connected to the top of the fixed block, a rope guide frame connected to the top of the fixed block, a rotating plate connected to the top of the fixed block, a second gear connected to the outside of the rotating plate, a blade connected to the inside of the rotating plate, a pull rope fixing block connected to the left side of the rotating plate, a tree branch placed between the fixed block and the rotating plate, and a switch connected to the left side of the handle rod.

[0004] The pruning tool can prune thin branches, but it is very laborious to prune thick branches in the crown, and it may not be able to cut them off. Therefore, a longan tree crown dwarf pruning device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a longan tree crown dwarf pruning device to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a longan tree crown dwarf pruning device, including a support cylinder, one end of the support cylinder is slidably connected to one side of an adjusting rod, the other side of the adjusting rod is fixedly connected to a mounting seat, a sliding groove is concavely arranged in one end of the mounting seat, a thin branch pruning assembly is movably arranged in the sliding groove, an electric chain saw body is movably arranged on one side of the thin branch pruning assembly, a transmission assembly is fixedly connected to one end of the electric chain saw body, and the transmission assembly is installed on one side of the mounting seat.

[0007] A take-up assembly is fixedly connected to the outer wall of one side of the support cylinder.

[0008] Preferably, the side of the support cylinder away from the adjusting rod is fixedly fitted with an anti-slip rubber sleeve, and the side of the support cylinder near the adjusting rod is connected with a positioning bolt via a threaded structure.

[0009] Preferably, the take-up assembly includes a connecting seat, a take-up frame, a hand crank, and a take-up roller. One end of the connecting seat is fixedly connected to the outer wall of the support cylinder, and the other end of the connecting seat is fixedly connected to one side of the take-up frame. The take-up roller is rotatably mounted on the other side of the take-up frame, and one end of the take-up roller is fixedly connected to the hand crank.

[0010] Preferably, the take-up frame has a U-shaped structure.

[0011] Preferably, the twig pruning assembly includes a fixed strip, an arc-shaped groove, a cutting edge, a movable strip, a disc blade, a drive motor, and a threaded rod. One end of the fixed strip is fixedly connected to the bottom of one end of the mounting base. An arc-shaped groove is formed on one side of the fixed strip, and a cutting edge is formed through the middle of the arc-shaped groove. A disc blade is provided at the top of the cutting edge. The top of the disc blade is fixedly connected to the bottom of one side of the movable strip. One side of the movable strip is slidably disposed in the groove and connected to the threaded rod through a threaded structure. The threaded rod is rotatably installed in the groove and one end is fixedly connected to the output shaft of the drive motor. The drive motor is fixedly mounted on the mounting base.

[0012] Preferably, the transmission assembly includes a transmission link, a sliding joint, a transmission roller, a drive link, and a servo motor. The servo motor is fixedly installed in the mounting base. The output shaft of the servo motor rotatably extends out of the mounting base, and the end of the output shaft is fixedly connected to one end of the drive link. The other end of the drive link is rotatably connected to the transmission roller. The transmission roller slides onto the sliding joint, which is located in the middle of the transmission link. One end of the transmission link is hinged to one side of the middle of the mounting base, and the other end of the transmission link is fixedly connected to one end of the electric chainsaw body.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the fine branch pruning component can prune the fine branches of the longan tree crown. When it is necessary to prune the thicker branches of the longan tree crown, the fine branch pruning component clamps and supports the branches. When used in conjunction with the electric chainsaw, the thicker branches are pruned. At the same time, the transmission component drives the electric chainsaw to swing, so that the branches can be cut off, thus improving the versatility of the pruning application. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model from another perspective;

[0016] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0017] In the figure: support cylinder 1, anti-skid rubber sleeve 101, adjusting rod 2, positioning bolt 3, take-up assembly 4, connecting seat 41, take-up frame 42, hand crank 43, take-up roller 44, mounting seat 5, sliding groove 51, thin branch pruning assembly 6, fixing strip 61, arc-shaped groove 62, cutter edge 63, movable strip 64, disc cutter 65, drive motor 66, threaded rod 67, transmission assembly 7, transmission connecting rod 71, sliding port 72, transmission roller 73, driving connecting rod 74, servo motor 75, electric chain saw body 8, guide plate 9, saw chain 10. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment 1

[0020] Reference Figure 1 , 2 , the first embodiment of the present application provides a longan tree crown dwarf pruning device, which comprises a support cylinder 1, one end of the support cylinder 1 is slidably sleeved with one side of an adjusting rod 2, the other side of the adjusting rod 2 is fixedly connected with a mounting seat 5, one end of the mounting seat 5 is concave and provided with a sliding groove 51, the sliding groove 51 is movably provided with a thin branch pruning assembly 6, one side of the thin branch pruning assembly 6 is movably provided with an electric chain saw body 8, one end of the electric chain saw body 8 is fixedly connected with a transmission assembly 7, and the transmission assembly 7 is installed on one side of the mounting seat 5;

[0021] One side of the support cylinder 1 is fixedly connected with a take-up assembly 4. According to the height position of the pruned branch, the adjusting rod 2 is manually adjusted to extend to a suitable position, then the end of the positioning bolt 3 abuts against the outer wall of the adjusting rod 2, and the length position of the adjusting rod 2 is fixed by friction. When the thin branch pruning assembly 6 needs to be pruned, the thin branch pruning assembly 6 extends to the pruning position, and the thin branch pruning assembly 6 prunes the thin branch. When the thick branch needs to be pruned, the thin branch pruning assembly 6 also extends to the pruning position, the thin branch pruning assembly 6 clamps the thick branch, keeps the position of the mounting seat 5 fixed, and then the electric chain saw body 8 and the transmission assembly 7 are powered on to work. The transmission assembly 7 drives the electric chain saw body 8 fixedly connected at the end to oscillate in a fan shape, and the saw chain 10 and the guide plate 9 of the electric chain saw body 8 oscillate towards the branch direction, and the saw chain 10 further prunes the thick branch, thereby increasing the applicability of the present application.

[0022] Embodiment 2

[0023] Referring to Figures 1-3 For the second embodiment of the utility model, the embodiment is based on the previous embodiment, specifically, the side of the supporting cylinder 1 away from the adjusting rod 2 is sleeved with an antiskid rubber sleeve 101, and the side of the supporting cylinder 1 close to the adjusting rod 2 is connected with a positioning bolt 3 through a threaded structure, according to the height position of the pruned branch, the adjusting rod 2 is manually adjusted to extend to a suitable position, then the end of the positioning bolt 3 abuts against the outer wall of the adjusting rod 2, and the length position of the adjusting rod 2 is fixed through friction force, and the antiskid rubber sleeve 101 is arranged, thereby improving the friction force of manually holding the position of the supporting cylinder 1 and improving the antiskid performance.

[0024] Specifically, the take-up assembly 4 comprises a connecting seat 41, a take-up frame 42, a hand crank 43 and a take-up roller 44, one end of the connecting seat 41 is fixedly connected to the outer wall of the supporting cylinder 1, the other end of the connecting seat 41 is fixedly connected to one side end of the take-up frame 42, the other side of the take-up frame 42 is rotatably installed with the take-up roller 44, and one end of the take-up roller 44 is fixedly connected to the hand crank 43.

[0025] Further, the take-up frame 42 has a character-shaped structure. The driving motor 66, the servo motor 75 and the electric chain saw body 8 are electrically connected with connecting lines respectively, the end of the connecting line is provided with a plug, the longer connecting line can be wound on the take-up roller 44, thereby reducing the occupied space of the connecting line, the take-up roller 44 is driven to rotate by manually operating the hand crank 43, and the winding operation of the connecting line is realized.

[0026] Specifically, the thin branch pruning assembly 6 comprises a fixed strip 61, an arc-shaped groove 62, a cutter opening 63, a movable strip 64, a disc cutter 65, a driving motor 66 and a threaded rod 67, one end of the fixed strip 61 is fixedly connected to the bottom of one end of the mounting seat 5, the side of the fixed strip 61 is provided with the arc-shaped groove 62, the middle part of the arc-shaped groove 62 is provided with the cutter opening 63, the top of the cutter opening 63 is provided with the disc cutter 65, the top end of the disc cutter 65 is fixedly connected to the side bottom of the movable strip 64, the side of the movable strip 64 is slidably arranged in the sliding groove 51 and connected with the threaded rod 67 through a threaded structure, the threaded rod 67 is rotatably installed in the sliding groove 51 and fixedly connected to the output shaft of the driving motor 66 at one end, and the driving motor 66 is fixedly installed on the mounting seat 5.

[0027] When the thin branch needs to be pruned, the thin branch pruning assembly 6 is stretched to the pruning position, the distance between the fixed strip 61 and the movable strip 64 is maximum, the branch is convenient to stretch in, the branch to be pruned is located at the position of the arc-shaped groove 62, the driving motor 66, the servo motor 75 and the electric chain saw body 8 are electrically connected with the connecting line matched with the external power supply equipment (such as an outdoor mobile power supply or a power supply line arranged in the orchard), the driving motor 66 is electrified to work, the driving motor 66 drives the fixed threaded rod 67 to rotate, the threaded rod 67 drives the movable strip 64 to move towards the fixed strip 61, the movable strip 64 in turn drives the fixed disc cutter 65 to move synchronously, the disc cutter 65 prunes the branch, and finally the disc cutter 65 is inserted into the cutter opening 63 to realize complete cutting of the branch.

[0028] Specifically, the transmission assembly 7 includes a transmission connecting rod 71, a sliding opening 72, a transmission roller 73, a driving connecting rod 74 and a servo motor 75. The servo motor 75 is fixedly installed in the mounting seat 5, the output shaft of the servo motor 75 is rotatably stretched out of the mounting seat 5 and the output shaft end is fixedly connected with one end of the driving connecting rod 74, the other end of the driving connecting rod 74 is rotatably connected with the transmission roller 73, the transmission roller 73 is slidably sleeved with the sliding opening 72, the sliding opening 72 is arranged in the middle part of the transmission connecting rod 71, one end of the transmission connecting rod 71 is hingedly connected with the middle part of one side of the mounting seat 5, and the other end of the transmission connecting rod 71 is fixedly connected with one end of the electric chain saw body 8.

[0029] When the thick branch needs to be pruned, the thin branch pruning assembly 6 is also stretched to the pruning position, the distance between the fixed strip 61 and the movable strip 64 is maximum, the thick branch is clamped through the side of the fixed strip 61 and the movable strip 64 away from the mounting seat 5, the position of the mounting seat 5 is kept fixed, then the electric chain saw body 8 and the transmission assembly 7 are electrified to work, the servo motor 75 of the transmission assembly 7 is electrified to work, drives the driving connecting rod 74 to rotate circumferentially, the driving connecting rod 74 drives the transmission roller 73 to rotate circumferentially, the transmission roller 73 in turn drives the transmission connecting rod 71 to swing, the transmission connecting rod 71 drives the electric chain saw body 8 fixedly connected with the end to swing in a fan shape, the saw chain 10 and the guide plate 9 of the electric chain saw body 8 swing towards the branch direction, and the saw chain 10 in turn prunes the thick branch, thereby increasing the applicability of the present application.

[0030] Embodiment 3

[0031] Reference Figures 1-3For the third embodiment of the utility model, based on the above two embodiments, when in use, according to the height position of the pruned branch, the adjusting rod 2 is manually adjusted to extend to the appropriate position, and then the end of the positioning bolt 3 is abutted on the outer wall of the adjusting rod 2, and the length position of the adjusting rod 2 is fixed by friction force, when the thin branch needs to be pruned, the thin branch pruning assembly 6 extends to the pruning position, the maximum spacing between the fixed strip 61 and the movable strip 64, the branch is convenient to extend, the branch to be pruned is located at the arc-shaped groove 62 position, the connecting line circuit cooperation joint is externally connected to the power supply equipment (such as outdoor mobile power supply or power supply line arranged in the orchard), the driving motor 66 is electrified to work, the driving motor 66 drives the fixed threaded rod 67 to rotate, the threaded rod 67 drives the movable strip 64 to move towards the fixed strip 61, the movable strip 64 in turn drives the fixed disc blade 65 to move synchronously, the disc blade 65 prunes the branch, and the disc blade 65 finally penetrates into the cutter opening 63 to realize the complete cutting of the branch; when the thick branch needs to be pruned, the thin branch pruning assembly 6 also extends to the pruning position, the maximum spacing between the fixed strip 61 and the movable strip 64, the thick branch is clamped through the side of the fixed strip 61 and the movable strip 64 away from the mounting seat 5, the position of the mounting seat 5 is kept fixed, then the electric chain saw body 8 and the transmission assembly 7 are electrified to work, the servo motor 75 of the transmission assembly 7 is electrified to work, drives the driving link 74 to rotate in a circle, the driving link 74 drives the transmission roller 73 to rotate in a circle, the transmission roller 73 in turn drives the transmission link 71 to swing, the transmission link 71 drives the electric chain saw body 8 fixed at the end to swing in a fan shape, the saw chain 10 and the guide plate 9 of the electric chain saw body 8 swing towards the branch direction, the saw chain 10 in turn prunes the thick branch, and the applicability of the utility model is increased.

[0032] It should be noted that the specific model and specification of the driving motor 66, the servo motor 75 and the electric chain saw body 8 need to be selected and determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for crown shortening pruning of longan trees, comprising a support cylinder (1), characterized in that: One end of the supporting barrel (1) is sleeved with one side of the adjusting rod (2), the other side of the adjusting rod (2) is fixedly connected with the mounting seat (5), one end of the mounting seat (5) is concavely provided with the sliding groove (51), the sliding groove (51) is movably provided with the thin branch pruning assembly (6), one side of the thin branch pruning assembly (6) is movably provided with the electric chain saw body (8), one end of the electric chain saw body (8) is fixedly connected with the transmission assembly (7), the transmission assembly (7) is installed on one side of the mounting seat (5). The supporting barrel (1) is fixedly connected with the take-up assembly (4) on one side of the outer wall.

2. The device for dwarfing crown pruning of longan trees according to claim 1, characterized in that: The supporting barrel (1) is fixedly sleeved with the anti-skid rubber sleeve (101) on the side away from the adjusting rod (2), and the supporting barrel (1) is connected with the positioning bolt (3) through the threaded structure on the side close to the adjusting rod (2).

3. The device for dwarfing crown pruning of longan trees according to claim 1, characterized in that: The take-up assembly (4) comprises a connecting seat (41), a take-up frame (42), a hand crank (43) and a take-up roller (44), one end of the connecting seat (41) is fixedly connected with the outer wall of the supporting barrel (1), the other end of the connecting seat (41) is fixedly connected with one side end of the take-up frame (42), the take-up frame (42) is rotatably installed with the take-up roller (44) on the other side, and one end of the take-up roller (44) is fixedly connected with the hand crank (43).

4. The device for dwarfing crown pruning of longan trees according to claim 3, characterized in that: The take-up frame (42) is a character-shaped structure.

5. The device for dwarfing crown pruning of longan trees according to claim 1, characterized in that: The thin branch pruning assembly (6) comprises a fixed strip (61), an arc-shaped groove (62), a cutter opening (63), a movable strip (64), a disc cutter (65), a driving motor (66) and a threaded rod (67), one end of the fixed strip (61) is fixedly connected with one end of the bottom of the mounting seat (5), one side of the fixed strip (61) is provided with the arc-shaped groove (62), the arc-shaped groove (62) is provided with the cutter opening (63) penetrating through the middle part, the top of the cutter opening (63) is provided with the disc cutter (65), the top end of the disc cutter (65) is fixedly connected with one side bottom end of the movable strip (64), one side of the movable strip (64) is slidably arranged in the sliding groove (51) and connected with the threaded rod (67) through the threaded structure, the threaded rod (67) is rotatably installed in the sliding groove (51) and one end is fixedly connected with the output shaft of the driving motor (66), and the driving motor (66) is fixedly installed on the mounting seat (5).

6. The device for crown shortening pruning of longan trees according to claim 1, characterized in that: The transmission assembly (7) comprises a transmission connecting rod (71), a sliding opening (72), a transmission roller (73), a driving connecting rod (74) and a servo motor (75), the servo motor (75) is fixedly installed in the mounting seat (5), the output shaft of the servo motor (75) is rotatably extended out of the mounting seat (5) and the output shaft end is fixedly connected with one end of the driving connecting rod (74), the other end of the driving connecting rod (74) is rotatably connected with the transmission roller (73), the transmission roller (73) is sleeved with the sliding opening (72), the sliding opening (72) is provided in the middle part of the transmission connecting rod (71), one end of the transmission connecting rod (71) is hingedly connected with the middle side of the mounting seat (5), and the other end of the transmission connecting rod (71) is fixedly connected with one end of the electric chain saw body (8).

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