CN223125393U

CN223125393U - Branch trimming means for forestry

Info

Publication number: CN223125393U
Application number: CN202421861943.9U
Authority: CN
Inventors: 闫丰谦; 姜庆娟
Original assignee: Agricultural Comprehensive Service Center Of Xingxin Town Lanshan District Rizhao City
Current assignee: Agricultural Comprehensive Service Center Of Xingxin Town Lanshan District Rizhao City
Priority date: 2024-08-02
Filing date: 2024-08-02
Publication date: 2025-07-22
Anticipated expiration: 2034-08-02

Abstract

The utility model discloses a branch trimming device for forestry, which comprises an outer cylinder, wherein a first fixed block is fixed at the inner end of the outer cylinder, a first rotating shaft is rotatably arranged in the middle of the first fixed block through a bearing, one end of the first rotating shaft is fixedly connected with the output end of a motor, a limiting mechanism is arranged at the joint of the first rotating shaft and a second rotating shaft, a length adjusting mechanism is arranged between the outer cylinder and an inner cylinder, a fixing mechanism is arranged between the outer cylinder and a movable ring, the branch trimming device for forestry can enable a cutting disc to move left and right through moving the movable ring left and right, the position of the cutting disc after moving can be fixed through the fixing mechanism, so that the length of the trimming device can be adjusted, the cutting disc at the position after moving can be driven to rotate through a starting motor, trees at different heights can be cut, the universality of the device is improved, and after the trimming device is shortened, and the carrying of the trimming device is convenient.

Description

Branch trimming means for forestry

Technical Field

The utility model relates to the technical field of forestry tools, in particular to a branch trimming device for forestry.

Background

In the forestry greening construction process, in order to ensure the beauty of ornamental trees and shrubs, staff need prune ornamental trees and shrubs branches by means of a pruning device so as to control the growth vigor of ornamental trees and shrubs.

For example, the Chinese patent with the publication number of CN218784117U discloses a forestry branch trimming device, which relates to the technical field of branch trimming. The utility model comprises a first trimming cutter and a second trimming cutter, wherein the first trimming cutter is movably connected with the second trimming cutter through a rotating shaft, the ends of the lower sides of the first trimming cutter and the second trimming cutter are respectively connected with a supporting rod, the first trimming cutter and the second trimming cutter are convenient to adjust to approach each other under the action of the rotating shaft to trim branches, a movable groove is formed in the surface of one side of the first trimming cutter, which is far away from a cutting edge, a saw blade is arranged in the movable groove, one side of the saw blade, which is close to the rotating shaft, is rotationally connected with a connecting rod through a pin shaft, the outer surface of the first trimming cutter is provided with a driving motor, an output shaft of the driving motor penetrates through the first trimming cutter and is connected with a crankshaft, the crankshaft is rotationally connected with the connecting rod through a shaft lever, so that the reciprocating movement of the saw blade is conveniently driven, the thicker branches are trimmed, the manpower is saved, and the trimming efficiency is improved.

The above issued patent only can trim shorter trees, but cannot trim taller trees, resulting in large limitations in use.

Aiming at the problems, innovative design is urgently needed on the basis of the original branch pruning device.

Disclosure of Invention

The utility model aims to provide a branch trimming device for forestry, which aims to solve the problems of the background technology.

The branch pruning device for forestry comprises an outer barrel, wherein a first fixing block is fixed at the inner end of the outer barrel, a first rotating shaft is rotatably arranged in the middle of the first fixing block through a bearing, one end of the first rotating shaft is fixedly connected with the output end of a motor, the outer wall of the motor is fixed at the end of the outer barrel through a hood, an inner barrel is slidably arranged in the outer barrel, a second fixing block is fixed at the position, far away from the first fixing block, of one end of the inner barrel, a second rotating shaft is rotatably arranged in the middle of the second fixing block through a bearing, a cutting disc is fixed at the outer part of the inner barrel, the other end of the second rotating shaft is slidably arranged in the first rotating shaft, a limiting mechanism is arranged at the joint of the first rotating shaft and the second rotating shaft, a length adjusting mechanism is arranged between the outer barrel and the inner barrel, and a fixing mechanism is arranged between the outer barrel and a movable ring.

Preferably, the limiting mechanism comprises a limiting plate, a limiting groove is formed in the inner side of the first rotating shaft, the limiting plate is slidably mounted in the limiting groove, and the bottom of the limiting plate is fixedly connected with the top of the second rotating shaft.

Preferably, the length adjusting mechanism comprises a movable ring, the outer side of the outer cylinder is nested and slidably provided with the movable ring, the outer side of the outer cylinder is provided with a through groove, the inner side of the movable ring is fixedly provided with a connecting rod, the end part of the connecting rod penetrates through the inside of the through groove and is fixedly connected with the outer wall of the inner cylinder, and the connecting rod and the through groove form sliding connection.

Preferably, the fixing mechanism comprises a U-shaped frame, the outer wall of the movable ring is fixed with the U-shaped frame, the end part of the U-shaped frame is penetrated and installed with a clamping rod, one end of the clamping rod penetrates through the side of the movable ring and is located in the clamping groove, the clamping groove is formed in the outer side of the outer cylinder, the outer wall of the clamping rod is located in the U-shaped frame and is fixed with a limiting ring, a spring is nested in the outer side of the clamping rod and is located between the limiting ring and the inner side of the U-shaped frame, and a pulling hole is formed in the other end of the clamping rod.

Preferably, a rope belt is fixed on the outer wall of the outer cylinder close to the hood.

Preferably, a power line is arranged on the motor, and a plug is arranged at the end part of the power line.

Preferably, the clamping grooves are distributed at equal intervals on one side of the outer cylinder, the clamping grooves are connected with the end parts of the clamping rods in a clamping mode, and the clamping rods, the movable rings and the U-shaped frames are connected in a sliding mode.

Compared with the prior art, the branch pruning device for the forestry has the beneficial effects that the movable ring is moved left and right, so that the cutting disc can be moved left and right, the fixed position of the cutting disc after being moved can be finished through the fixed mechanism, the length of the pruning device can be adjusted, and the cutting disc at the moved position can be driven to rotate by starting the motor, so that trees with different heights can be cut, the universality of the device is improved, and the pruning device is convenient to carry after being shortened;

The rope belt is arranged, so that the rope belt can be hung on the neck of a user, the hand force of the user is reduced, and the direction of the trimming device is convenient for the user to adjust.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is a schematic diagram of a side view distribution structure of a card slot according to the present utility model;

fig. 5 is a schematic view of a mounting structure of a clamping rod according to the present utility model.

In the figure, 1, an outer cylinder; 2, a first fixed block, 3, a first rotating shaft, 4, a motor, 5, a hood, 6, a power wire, 7, an inner cylinder, 8, a second fixed block, 9, a second rotating shaft, 10, a cutting disc, 11, a limiting plate, 12, a limiting groove, 13, a through groove, 14, a movable ring, 15, a connecting rod, 16, a U-shaped frame, 17, a clamping rod, 18, a clamping groove, 19, a limiting ring, 20, a spring, 21, a pull hole, 22 and a rope.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a technical scheme that the branch pruning device for forestry comprises an outer barrel 1, a first fixed block 2 is fixed at the end part in the outer barrel 1, a first rotating shaft 3 is rotatably mounted at the middle part of the first fixed block 2 through a bearing, one end of the first rotating shaft 3 is fixedly connected with the output end of a motor 4, the outer wall of the motor 4 is fixed at the end part of the outer barrel 1 through a hood 5, an inner barrel 7 is slidably mounted in the outer barrel 1, a second fixed block 8 is fixed at one end of the inner barrel 7 far away from the first fixed block 2, a second rotating shaft 9 is rotatably mounted at the middle part of the second fixed block 8 through a bearing, a cutting disc 10 is fixed at one end of the second rotating shaft 9 outside the inner barrel 7, the other end of the second rotating shaft 9 is slidably mounted in the first rotating shaft 3, a limiting mechanism is arranged at the joint of the first rotating shaft 3 and the second rotating shaft 9, a length adjusting mechanism is arranged between the outer barrel 1 and the inner barrel 7, and a fixing mechanism is arranged between the outer barrel 1 and a movable ring 14.

The stop gear includes limiting plate 11, and limiting groove 12 has been seted up to the inboard of first pivot 3, and limiting plate 11 has been installed to limiting groove 12's inside slidable, and limiting plate 11's bottom and the top fixed connection of second pivot 9 have guaranteed that first pivot 3 rotatory time, and first pivot 3 can drive second pivot 9 rotatory through limiting plate 11 and limiting groove 12, have guaranteed simultaneously that second pivot 9 can remove in the inside of first pivot 3.

The length adjusting mechanism comprises a movable ring 14, the outer side of the outer cylinder 1 is nested and slidably provided with the movable ring 14, the outer side of the outer cylinder 1 is provided with a through groove 13, the inner side of the movable ring 14 is fixedly provided with a connecting rod 15, the end part of the connecting rod 15 penetrates through the inner part of the through groove 13 and is fixedly connected with the outer wall of the inner cylinder 7, the connecting rod 15 and the through groove 13 form sliding connection, and the movable ring 14 can drive the inner cylinder 7 to move through the connecting rod 15 by pushing the movable ring 14.

The fixing mechanism comprises a U-shaped frame 16, the U-shaped frame 16 is fixed on the outer wall of the movable ring 14, a clamping rod 17 is installed at the end part of the U-shaped frame 16 in a penetrating mode, one end of the clamping rod 17 penetrates through the side of the movable ring 14 and is located in a clamping groove 18, the clamping groove 18 is formed in the outer side of the outer cylinder 1, a limiting ring 19 is fixed in the outer wall of the clamping rod 17 and is located in the U-shaped frame 16, a spring 20 is nested in the outer side of the clamping rod 17 and is located between the limiting ring 19 and the inner side of the U-shaped frame 16, pulling holes 21 are formed in the other end of the clamping rod 17, the clamping groove 18 is distributed on one side of the outer cylinder 1 at equal intervals, the clamping groove 18 is connected with the end part of the clamping rod 17 in a clamping mode, and the clamping rod 17 is connected with the movable ring 14 and the U-shaped frame 16 in a sliding mode, and the position of the movable ring 14 can be fixed after the movable ring 14 is moved when the end part of the clamping rod 17 is clamped with the clamping grooves 18 in different positions.

The rope belt 22 is fixed on the outer wall of the outer barrel 1 close to the hood 5, so that the rope belt 22 can be hung on the neck of a user, the hand strength of the user is reduced, and the direction of the trimming device is adjusted by the user.

The motor 4 is provided with a power line 6, and the end part of the power line 6 is provided with a plug for supplying power to the motor 4.

When the branch pruning device for forestry is used, firstly, a rope belt 22 is sleeved on the neck of a user, then a motor 4 is started, at the moment, the motor 4 drives a first rotating shaft 3 to rotate, and the first rotating shaft 3 drives a second rotating shaft 9 and a cutting disc 10 to rotate through a limiting plate 11 and a limiting groove 12, so that the cutting disc 10 can prune lower trees;

When higher trees need to be trimmed, the clamping rod 17 is pulled, the end part of the clamping rod 17 is separated from the clamping groove 18, the clamping rod 17 drives the limiting ring 19 to compress the spring 20, the movable ring 14 is separated from the constraint, then the movable ring 14 is pushed, the movable ring 14 drives the inner cylinder 7 to move through the connecting rod 15, the inner cylinder 7 simultaneously drives the second rotating shaft 9, the cutting disc 10 and the limiting plate 11 to move away from the motor 4 through the second fixing block 8, after the cutting disc 10 moves to a proper position, the clamping rod 17 is loosened, under the action of the elastic force of the spring 20, the end part of the clamping rod 17 is clamped with the clamping grooves 18 at other positions, the fixing of the positions of the movable ring 14 after the movement is completed, the cutting disc 10 is fixed simultaneously, and then the motor 4 is started, the motor 4 drives the first rotating shaft 3 to rotate through the limiting plate 11 and the limiting groove 12, and the cutting disc 10 can trim higher trees.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A branch trimming device for forestry comprises an outer barrel (1) and is characterized in that a first fixed block (2) is fixed at the end part in the outer barrel (1), a first rotating shaft (3) is rotatably mounted at the middle part of the first fixed block (2) through a bearing, one end of the first rotating shaft (3) is fixedly connected with the output end of a motor (4), the outer wall of the motor (4) is fixed at the end part of the outer barrel (1) through a hood (5), an inner barrel (7) is slidably mounted in the outer barrel (1), a second fixed block (8) is fixed at one end of the inner barrel (7) far away from the first fixed block (2), a second rotating shaft (9) is rotatably mounted at the middle part of the second fixed block (8) through a bearing, a cutting disc (10) is fixedly arranged at one end of the second rotating shaft (9) and is slidably mounted at the other end of the first rotating shaft (3), a connecting part of the first rotating shaft (3) and the second rotating shaft (9) is provided with an inner barrel (7), a limiting mechanism (1) and a movable ring (14) are arranged between the outer barrel and the outer barrel (1).

2. The branch trimming device for forestry according to claim 1, wherein the limiting mechanism comprises a limiting plate (11), a limiting groove (12) is formed in the inner side of the first rotating shaft (3), the limiting plate (11) is slidably mounted in the limiting groove (12), and the bottom of the limiting plate (11) is fixedly connected with the top of the second rotating shaft (9).

3. The branch trimming device for forestry according to claim 1, wherein the length adjusting mechanism comprises a movable ring (14), the movable ring (14) is nested and slidably mounted on the outer side of the outer cylinder (1), a through groove (13) is formed in the outer side of the outer cylinder (1), a connecting rod (15) is fixed on the inner side of the movable ring (14), the end portion of the connecting rod (15) penetrates through the inside of the through groove (13) and is fixedly connected with the outer wall of the inner cylinder (7), and the connecting rod (15) and the through groove (13) form sliding connection.

4. The branch trimming device for forestry according to claim 1, wherein the fixing mechanism comprises a U-shaped frame (16), the outer wall of the movable ring (14) is fixedly provided with the U-shaped frame (16), a clamping rod (17) is installed in a penetrating mode at the end portion of the U-shaped frame (16), one end of the clamping rod (17) penetrates through the side of the movable ring (14) and is located inside a clamping groove (18), the clamping groove (18) is formed in the outer side of the outer cylinder (1), a limiting ring (19) is fixed in the outer wall of the clamping rod (17) and is located inside the U-shaped frame (16), a spring (20) is nested in the outer side of the clamping rod (17), and a pulling hole (21) is formed in the other end of the clamping rod (17).

5. The branch trimming device for forestry according to claim 1, wherein a rope (22) is fixed to the outer wall of the outer cylinder (1) near the hood (5).

6. The branch trimming device for forestry, as set forth in claim 1, is characterized in that a power line (6) is provided on the motor (4), and a plug is provided at an end of the power line (6).

7. The branch trimming device for forestry as set forth in claim 4, wherein the clamping grooves (18) are distributed at equal intervals on one side of the outer cylinder (1), the clamping grooves (18) are connected with the end parts of the clamping rods (17) in a clamping manner, and the clamping rods (17) are connected with the movable ring (14) and the U-shaped frame (16) in a sliding manner.