CN220755673U - Tree pruning device - Google Patents

Abstract

The utility model discloses a tree pruning device, which relates to the field of garden tools and comprises a base, wherein a movable plate is arranged at an interval at the upper part of the base, lifting driving devices are connected to two sides of the movable plate in a matched manner, the bottom of the lifting driving devices is connected with the base, a movable groove is formed in the upper surface of the movable plate along the length direction of the movable plate, a pushing driving device is arranged in the movable groove, a supporting arm is arranged at the top of the pushing driving device, the front end of the supporting arm is connected with a pruning head through a rotating driving device, and a collecting bag fixing frame is arranged right below the pruning head. The extending distance of the pruning can be adjusted by arranging the propulsion driving device; the angle of the pruning head can be adjusted by arranging a rotary driving device; through setting up the fixed frame of collecting bag that moves along with the pruning head and fixing the fixation clamp body on base upper portion, can make things convenient for the installation and the change of collecting bag body.

Description

Tree pruning device

Technical Field

The utility model relates to the field of garden tools, in particular to a tree pruning device.

Background technique

Trees, shrubs and other green plants are planted on both sides of urban roads to prevent dust and provide greening. As the trees grow, some branches and leaves will extend beyond the guardrails and enter the road, thus affecting traffic safety. In order to protect the growth of trees and traffic safety, forestry departments often need to prune trees, remove excess branches and leaves, and ensure that the trunks grow neatly. Generally, pruning machines are used to prune branches, but most pruning machines are handheld by operators and only have a pruning function. The pruned branches and leaves cannot be collected, which is time-consuming, labor-intensive, inconvenient to use, and cannot meet usage needs.

Utility Model Content

In order to solve the above technical problems, the technical solution provided by the utility model is: a tree pruning device, including a base, movable plates are arranged at intervals on the upper part of the base, and lifting drive devices are cooperated and connected on both sides of the movable plates, the bottom of the lifting drive device is connected to the base, and a movable groove is arranged on the upper surface of the movable plate along its length direction, and a propulsion drive device is arranged in the movable groove, and a support arm is arranged on the top of the propulsion drive device, and a pruning head is connected to the front end of the support arm through a rotating drive device, and a collecting bag fixing frame is arranged directly below the pruning head, and the collecting bag fixing frame is connected to an end of the support arm away from the pruning head, and the collecting bag fixing frame is detachably connected to the collecting bag body at the lower part, and fixing clamps corresponding to the two sides of the collecting bag body are respectively arranged on both sides of the upper part of the base.

Furthermore, the lifting drive device includes an electric screw rod 1 respectively arranged on both sides of one end of the movable plate, an electric screw rod bracket is arranged outside the electric screw rod 1, the top of the electric screw rod 1 passes through the electric screw rod bracket and is connected to the motor 1, and the bottom is rotatably connected to the base, and a movable seat 1 cooperating with the electric screw rod 1 is arranged at the bottom of the movable plate.

Furthermore, the lifting drive device also includes guide rods respectively arranged at one end of the movable plate away from the electric screw, a guide rod bracket is arranged outside the guide rod, the top of the guide rod is connected to the guide rod bracket, and the bottom is connected to the base, and the movable plate is also provided with a movable seat 2 that cooperates with the guide rod.

Furthermore, the propulsion drive device includes an electric screw rod 2 arranged in the movable groove, one end of the electric screw rod 2 passes through the movable plate and is connected to the motor 2; the electric screw rod 2 is cooperated with a movable seat 3, the top of the movable seat 3 extends out of the movable plate, and the support arm is arranged at the top of the movable seat 3.

Furthermore, the movable groove comprises a mounting groove for setting the electric screw rod 2, guide grooves are respectively arranged on both sides of the bottom of the mounting groove, and the movable seat 3 is adapted to the shape of the movable groove.

Furthermore, the rotation drive device includes a rotating shaft rotatably arranged at the front end of the support arm, the other end of the rotating shaft is connected to the trimming head, and a driving gear 1 is arranged at one end of the rotating shaft close to the support arm, and a driving gear 2 is meshed and transmitted at the upper part of the driving gear 1, and the driving gear 2 is transmission-connected to a motor 3 arranged at the upper part of the support arm.

Furthermore, the trimmer head includes a trimmer head bracket connected to the rotating shaft, the bottom of the trimmer head bracket is connected to the cutting blade through a rotating drive shaft, and the top of the rotating drive shaft passes through the trimmer head bracket and is connected to a motor four arranged on the top of the trimmer head bracket.

Furthermore, the collecting bag fixing frame includes side frame rods arranged on both sides of the movable plate, one end of the side frame rod extends out of the front end of the movable seat and is connected to the front frame rod, and the other end is connected to both sides of the support arm through a 7-shaped connecting rod. The collecting bag body is arranged on the outside of the front end of the movable plate, and the front end and both sides of the top of the collecting bag body are respectively mounted on the front frame rod and the side frame rod, and the upper parts of the front frame rod and the side frame rod are respectively clamped with elastic clips corresponding to their shapes; the collecting bag body is a deformable elastic bag body.

Furthermore, the fixed clamp body includes an arc-shaped clamping plate, which is hinged to the upper surface of the base through a rotating shaft and a rotating shaft seat. A torsion spring is sleeved on the rotating shaft and is against the inner wall of the arc-shaped clamping plate and the upper surface of the base, so that one end of the arc-shaped clamping plate close to the collection bag body is close to the upper surface of the base, and the other end is open.

Furthermore, the four corners of the bottom of the base are respectively provided with walking wheels, and the end of the base away from the trimming head is also provided with a push handle.

Compared with the prior art, the advantages of the utility model are as follows: by arranging a lifting drive device, the height of the trimming head can be adjusted, so that branches and leaves at different heights can be trimmed conveniently; by arranging a propulsion drive device, the extension distance of the trimming can be adjusted, and the trimming head can also be retracted, so that it is convenient to store and avoid damage to the trimming head after use; by arranging a rotating drive device, the angle of the trimming head can be adjusted, so that trimming is convenient; by arranging a collecting bag fixing frame that moves with the trimming head and a fixing clamp body fixed on the upper part of the base, the installation and replacement of the collecting bag body can be facilitated, and at the same time, the upper opening of the collecting bag body can be conveniently moved with the trimming head, so that the trimmed branches and leaves can be better collected.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the front structure of a tree pruning device according to the present invention.

FIG. 2 is a schematic diagram of the rear structure of a tree pruning device according to the present invention.

FIG3 is a schematic diagram of the cross-sectional structure of a movable groove in a tree pruning device of the utility model.

FIG. 4 is a schematic structural diagram of a rotary drive device in a tree pruning device of the present utility model.

FIG. 5 is a schematic structural diagram of a collecting bag fixing frame in a tree pruning device of the present invention.

FIG. 6 is a schematic structural diagram of an elastic clamp in a tree pruning device of the present invention.

FIG. 7 is a schematic structural diagram of a fixed clamp in a tree pruning device of the present invention.

In the accompanying drawings: 100, base;

200, movable plate; 201, movable slot; 201a, mounting slot; 201b, guide slot;

300, lifting drive device; 301, electric screw rod 1; 302, electric screw rod bracket; 303, motor 1; 304, moving seat 1; 305, guide rod; 306, guide rod bracket; 307, moving seat 2;

400, propulsion drive device; 401, electric screw rod 2; 402, motor 2; 403, moving seat 3;

500, support arm;

600, rotation drive device; 601, rotation shaft; 602, driving gear 1; 603, driving gear 2; 604, motor 3;

700, trimming head; 701, trimming head bracket; 702, rotating drive shaft; 703, cutting blade; 704, motor four;

800, collecting bag fixing frame; 801, side frame rod; 802, front frame rod; 803, 7-shaped connecting rod; 804, elastic clamp;

900, collection bag body;

1000, fixed clamp body; 1001, arc clamp plate; 1002, rotating shaft seat; 1003, torsion spring;

1100, traveling wheel;

1200. Pushing hands.

Detailed ways

In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

In the description of the embodiments of the present invention, "multiple" means at least 2.

In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Embodiment 1:

In conjunction with Figures 1-7, this embodiment discloses a tree pruning device, including a base 100, wherein walking wheels 1100 are respectively arranged at the four corners of the bottom of the base 100, and a push handle 1200 is also arranged at one end of the base 100 away from the pruning head 700 to facilitate the overall movement of the device;

The upper part of the base 100 is provided with a movable plate 200 at intervals, and the two sides of the movable plate 200 are connected with a lifting drive device 300, and the bottom of the lifting drive device 300 is connected to the base 100; the height of the lifting drive device 300 is specifically designed according to the specific situation, so that the movable plate 200 can be lifted up and down along the lifting drive device 300 to move to the height required for pruning;

Specifically, the lifting drive device 300 includes an electric screw 301 respectively arranged on both sides of one end of the moving plate 200, an electric screw bracket 302 is arranged outside the electric screw 301, the top of the electric screw 301 passes through the electric screw bracket 302 and is connected to the motor 303, and the bottom is rotatably connected to the base 100, and a moving seat 304 cooperating with the electric screw 301 is arranged at the bottom of the moving plate 200; the lifting drive device 300 also includes a movable seat 304 respectively arranged at one end of the moving plate 200 away from the electric screw 301 A guide rod 305 is provided with a guide rod bracket 306 outside the guide rod 305. The top of the guide rod 305 is connected to the guide rod bracket 306, and the bottom is connected to the base 100. The movable plate 200 is provided with a movable seat 2 307 that cooperates with the guide rod 305. In the specific implementation, by starting the motor 1, the electric screw 1 is driven to rotate, so that the movable seat 1 matched thereon moves along the electric screw 1 to adjust the height. At the same time, the other end of the movable plate moves up and down on the guide rod through the movable seat 2 to keep the movable plate rising and falling smoothly.

A moving groove 201 is provided on the upper surface of the moving plate 200 along its length direction, a propulsion driving device 400 is provided in the moving groove 201, a support arm 500 is provided on the top of the propulsion driving device 400, and a trimming head 700 is connected to the front end of the support arm 500 through a rotating driving device 600;

Specifically, the propulsion drive device 400 includes an electric screw rod 2 401 arranged in the moving groove 201, one end of the electric screw rod 2 401 passes through the moving plate 200 and is connected to the motor 2 402; the electric screw rod 2 401 is provided with a moving seat 3 403, the top of the moving seat 3 403 extends out of the moving plate 200, and the support arm 500 is provided on the top of the moving seat 3 403; the moving groove 201 includes an installation groove 201a for setting the electric screw rod 2 401, and guide grooves 201b are respectively provided on both sides of the bottom of the installation groove 201a, and the moving seat 3 403 is adapted to the shape of the moving groove 201; in specific implementation, by starting the motor 2, the electric screw rod 2 is rotated, so that the moving seat 3 arranged thereon moves along the electric screw rod 2, so that the support arm drives the trimming head to move forward to adjust the trimming position, and at the same time, the moving seat 3 can also move backward along the electric screw rod 2, so that the trimming head is recovered to the upper part of the moving plate, which is convenient for storage after use and can protect the trimming head, and avoid accidental injury to personnel caused by the trimming head extending out.

Specifically, the rotation drive device 600 includes a rotation shaft 601 rotatably arranged at the front end of the support arm 500, the other end of the rotation shaft 601 is connected to the trimming head 700, and a driving gear 1 602 is arranged at one end of the rotation shaft 601 close to the support arm 500, and a driving gear 2 603 is meshed and transmitted on the upper part of the driving gear 1 602, and the driving gear 2 603 is transmission-connected with the motor 3 604 arranged on the upper part of the support arm 500. In a specific implementation, by starting the motor 3, the driving gear 2 is driven to rotate, so that the driving gear 1 meshed with it rotates, and then the trimming head is driven to rotate through the rotation shaft to adjust the angle of the trimming head.

Specifically, the trimming head 700 includes a trimming head bracket 701 connected to the rotating shaft 601, the bottom of the trimming head bracket 701 is connected to the cutting blade 703 through the rotating drive shaft 702, and the top of the rotating drive shaft 702 passes through the trimming head bracket 701 and is connected to the motor 4 704 arranged on the top of the trimming head bracket 701. In the specific implementation, by starting the motor 4, the electrode 4 drives the cutting blade to rotate to cut the branches and leaves; the base can be provided with a battery connected to the motor 1, motor 2, motor 3 and motor 4, and the motor 1, motor 2, motor 3 and motor 4 can also be connected to an external power supply device through wires; the motor 1, motor 2, motor 3 and motor 4 can be selected to start and stop through a remote control or other device according to specific needs. This part is the existing technology and will not be repeated in this embodiment.

A collecting bag fixing frame 800 is arranged directly below the trimming head 700, and the collecting bag fixing frame 800 is connected to the end of the support arm 500 away from the trimming head 700. The lower part of the collecting bag fixing frame 800 is detachably connected to the collecting bag body 900, and fixing clamps 1000 corresponding to the two sides of the collecting bag body 900 are respectively arranged on both sides of the upper part of the base 100.

Specifically, the collecting bag fixing frame 800 includes side frame rods 801 arranged on both sides of the moving plate 200, one end of the side frame rod 801 extends out of the front end of the moving seat and is connected to the front frame rod 802, and the other end is connected to both sides of the support arm 500 through a 7-shaped connecting rod 803, and the collecting bag body 900 is arranged on the outside of the front end of the moving plate 200, and the front end and both sides of the top of the collecting bag body 900 are respectively mounted on the front frame rod 802 and the side frame rod 801, and the upper parts of the front frame rod 802 and the side frame rod 801 are respectively clamped with elastic clamps 804 adapted to their shapes; The main body 900 is a deformable elastic bag body; the fixed clamp body 1000 includes an arc-shaped clamp plate 1001, and the arc-shaped clamp plate 1001 is hinged to the upper surface of the base 100 through a rotating shaft and a rotating shaft seat 1002, that is, the inner side of the arc-shaped clamp plate 1001 and the upper surface of the base 100 are both provided with rotating shaft seats, and the rotating shaft passes through each rotating shaft seat; a torsion spring 1003 is sleeved on the rotating shaft and is against the inner wall of the arc-shaped clamp plate 1001 and the upper surface of the base 100, so that one end of the arc-shaped clamp plate 1001 close to the collection bag body 900 is close to the upper surface of the base 100, and the other end is open. During the specific implementation, the open end of the fixing clamp is pressed to separate the other end from the upper surface of the base, and then the side edge of the bottom of the collecting bag body is placed in the fixing clamp to fix its bottom, and then the top of the collecting bag body is covered on the front frame rod and the side frame rod, and then the elastic clip is clamped on the front frame rod and the side frame rod to fix the upper part of the collecting bag body. The elastic clip can be a plurality of split clips or an integrated clip, which is convenient for the disassembly and installation of the collecting bag body; at the same time, the upper part of the collecting bag body moves with the collecting bag fixing frame, and the collecting bag fixing frame moves with the support arm of the trimming head, so that the upper opening of the collecting bag body is always located below the trimming head, which is convenient for collecting the trimmed branches and leaves.

The utility model and its implementation methods are described above, and such description is not restrictive. The drawings are only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims (10)

1. A tree pruning device, characterized in that it comprises a base, wherein a movable plate is arranged at intervals on the upper portion of the base, and a lifting drive device is cooperatively connected to both sides of the movable plate, the bottom of the lifting drive device is connected to the base, a movable groove is arranged on the upper surface of the movable plate along its length direction, a propulsion drive device is arranged in the movable groove, a support arm is arranged on the top of the propulsion drive device, a trimming head is connected to the front end of the support arm through a rotating drive device, a collecting bag fixing frame is arranged directly below the trimming head, the collecting bag fixing frame is connected to an end of the supporting arm away from the trimming head, a collecting bag body is detachably connected to the lower portion of the collecting bag fixing frame, and fixing clamps corresponding to both sides of the collecting bag body are respectively arranged on both sides of the upper portion of the base 2. A tree pruning device according to claim 1, characterized in that the lifting drive device includes an electric screw rod 1 respectively arranged on both sides of one end of a movable plate, an electric screw rod bracket is arranged outside the electric screw rod 1, the top of the electric screw rod 1 passes through the electric screw rod bracket and is connected to the motor 1, and the bottom is rotatably connected to the base, and a movable seat 1 cooperating with the electric screw rod 1 is arranged at the bottom of the movable plate. 3. A tree pruning device according to claim 2, characterized in that the lifting drive device also includes guide rods respectively arranged at one end of the movable plate away from the electric screw, a guide rod bracket is arranged outside the guide rod, the top of the guide rod is connected to the guide rod bracket, and the bottom is connected to the base, and the movable plate is also provided with a movable seat 2 that cooperates with the guide rod. 4. A tree pruning device according to claim 1, characterized in that the propulsion drive device includes an electric screw rod 2 arranged in a movable groove, one end of the electric screw rod 2 passes through the movable plate and is connected to the motor 2; a movable seat 3 is provided on the electric screw rod 2, the top of the movable seat 3 extends out of the movable plate, and the support arm is arranged on the top of the movable seat 3. 5. A tree pruning device according to claim 4, characterized in that the movable groove includes a mounting groove for setting the electric screw rod 2, guide grooves are respectively arranged on both sides of the bottom of the mounting groove, and the movable seat 3 is adapted to the shape of the movable groove. 6. A tree pruning device according to claim 1, characterized in that the rotation drive device includes a rotation shaft rotatably arranged at the front end of the support arm, the other end of the rotation shaft is connected to the pruning head, and a driving gear 1 is arranged at one end of the rotation shaft close to the support arm, and a driving gear 2 is meshed and transmitted at the upper part of the driving gear 1, and the driving gear 2 is transmission-connected to a motor 3 arranged at the upper part of the support arm. 7. A tree pruning device according to claim 6, characterized in that the pruning head comprises a pruning head bracket connected to a rotating shaft, the bottom of the pruning head bracket is connected to a cutting blade via a rotating drive shaft, and the top of the rotating drive shaft passes through the pruning head bracket and is connected to a motor 4 arranged on the top of the pruning head bracket. 8. A tree pruning device according to claim 1, characterized in that the collecting bag fixing frame includes side frame rods arranged on both sides of the movable plate, one end of the side frame rod extends out of the front end of the movable seat and is connected to the front frame rod, and the other end is connected to the two sides of the support arm through a 7-shaped connecting rod, the collecting bag body is arranged on the outside of the front end of the movable plate, the front end and both sides of the top of the collecting bag body are respectively mounted on the front frame rod and the side frame rod, and the upper parts of the front frame rod and the side frame rod are respectively clamped with elastic clips corresponding to their shapes; the collecting bag body is a deformable elastic bag body. 9. A tree pruning device according to claim 1, characterized in that the fixed clamp body includes an arc-shaped clamping plate, and the arc-shaped clamping plate is hinged to the upper surface of the base through a rotating shaft and a rotating shaft seat, and a torsion spring is sleeved on the rotating shaft and abuts against the inner wall of the arc-shaped clamping plate and the upper surface of the base, so that one end of the arc-shaped clamping plate close to the collection bag body is close to the upper surface of the base, and the other end is open. 10. A tree pruning device according to claim 1, characterized in that walking wheels are respectively provided at the four corners of the bottom of the base, and a push handle is also provided at one end of the base away from the pruning head.