CN223025010U

CN223025010U - Fruit tree trimmer

Info

Publication number: CN223025010U
Application number: CN202422011384.9U
Authority: CN
Inventors: 周佳; 张军科; 李兴亮; 李民吉; 杨雨璋; 张强; 史天乐; 魏钦平
Original assignee: Beijing Academy of Agriculture and Forestry Sciences
Current assignee: Beijing Academy of Agriculture and Forestry Sciences
Priority date: 2024-08-19
Filing date: 2024-08-19
Publication date: 2025-06-27
Anticipated expiration: 2034-08-19

Abstract

The utility model relates to the technical field of agricultural planting and discloses a fruit tree trimmer which comprises a supporting rod, wherein a scissor part is arranged at the lower part of the supporting rod, the scissor part comprises a fixed plate which is vertically and fixedly connected with the supporting rod, a fixed scissor which extends outwards is arranged at the outer side of the fixed plate, the upper surface of the fixed plate is fixedly connected with a hinge shaft, the hinge shaft is rotatably connected with a movable scissor which is matched with the fixed scissor, the hinge shaft above the movable scissor is rotatably connected with a driven gear, the driven gear is fixedly connected with the movable scissor, the bottom surface of the fixed plate is fixedly connected with a driving motor, a rotating shaft of the driving motor extends out of the fixed plate and is fixedly connected with a driving gear meshed with the driven gear, a telescopic positioning part for adjusting the distance between the scissor part and the bottom end of the supporting rod is arranged at the bottom of the supporting rod, and a controller and a power supply are arranged on the fixed plate and are respectively electrically connected with the driving motor and the power supply. The trimmer improves the trimming efficiency of fruit trees, ensures the smoothness of trimming openings and the consistency of the heights of the cutting anvils, and reduces the physical consumption of operators.

Description

Fruit tree trimmer

Technical Field

The utility model relates to the technical field of agricultural planting, in particular to a fruit tree trimmer.

Background

The stock (rootstock) refers to a plant bearing scions during grafting propagation. The stock can be a whole plant of fruit tree, or can be a root section or a branch section of a tree body, can play a role in fixing soil, improving the self pest resistance of plants, and can form the functions of plant growth and fruiting after healing with scions. The stock is the basis of the grafted seedlings of the fruit trees, and the stock has good grafting affinity, long service life and easy cultivation.

As known, the propagation of the fruit tree seedlings generally needs grafting, the stock and the scion are combined together to form a new plant, the grafting is generally divided into grafting and bud grafting, and the seedlings propagated through the grafting grow well and are formed quickly. However, the stock is usually required to be trimmed before grafting, and the work is called cutting stock. The method is characterized in that the stock is required to be kept about 5-10 cm away from the ground before grafting in a nursery, all the rest is cut off, the cutting opening is required to be clean and smooth, the height is consistent, and the stock is required to be used for grafting in the next step.

Because of the lack of a special cutting tool, the cutting operation mainly depends on a common branch cutter, and because the cutting tool is close to the ground, workers are required to repeatedly bend down, time and labor are wasted, the cutting is extremely inconvenient, and the cutting height cannot be ensured to be uniform, so that the uniformity of nursery stock out of nursery is directly influenced, and the requirement of modern nursery stock market out of nursery cannot be met.

Disclosure of utility model

The utility model provides a fruit tree trimmer, which can improve the trimming efficiency of fruit trees and ensure the flatness of trimming openings by arranging an automatic trimming part, can conveniently and rapidly adjust the height of the trimming part from the ground by a telescopic positioning part, ensures the consistency of the height of a trimming anvil, is convenient and rapid to use, does not need to bend down frequently, reduces the physical consumption of operators, saves labor, ensures that the trimming heights are neat and consistent, and the trimming openings are neat and clean and heal quickly.

The above object of the utility model is achieved by the following technical scheme:

A fruit tree trimmer comprises a supporting rod, wherein a scissor part used for trimming fruit trees is arranged at the lower part of the supporting rod, the scissor part comprises a fixing plate vertically fixedly connected with the supporting rod, a fixing scissor extending outwards is arranged at the outer side of the fixing plate, the upper surface of the fixing scissor is coplanar with the upper surface of the fixing plate, a hinge shaft is fixedly connected with the upper surface of the fixing plate, a movable scissor matched with the fixing scissor is rotatably connected onto the hinge shaft, a driven gear is rotatably connected onto the hinge shaft above the movable scissor, the driven gear is fixedly connected with the movable scissor, a driving motor is fixedly connected to the bottom surface of the fixing plate, a rotating shaft of the driving motor extends out of the fixing plate and is fixedly connected with a driving gear meshed with the driven gear, a telescopic positioning part used for adjusting the distance between the scissor part and the bottom end of the supporting rod is arranged at the bottom of the fixing plate, and a power supply and a controller are arranged on the fixing plate and are respectively electrically connected with the driving motor and the power supply.

The fruit tree trimmer comprises a telescopic rod, a linkage gear, a ratchet wheel, a pawl, a torsion spring and a release rod, wherein the bottom of the support rod is provided with a chute with a lower opening along the axial direction, the telescopic rod is slidably arranged in the chute, a rack is arranged on the outer side of the telescopic rod along the length direction, a placing groove opposite to the rack is formed in the side wall of the bottom of the support rod, the placing groove is communicated with the chute, the linkage gear is arranged in the placing groove and meshed with the rack, two ends of a rotating shaft of the linkage gear are rotationally connected to the support rods on two sides of the placing groove, one side of the linkage gear is fixedly connected with a ratchet wheel which is coaxial, two ends of the ratchet wheel are rotationally connected to the support rods on two sides of the placing groove, the ratchet wheel is sleeved with the torsion spring, one end of the torsion spring is abutted to the pawl, and the other end of the torsion spring is fixed with the support rods.

The fruit tree trimmer comprises a fruit tree trimmer body, wherein a lower handle is arranged on the other side of the middle of the supporting rod, a starting switch is arranged on the outer side of the upper handle, and the starting switch is electrically connected with a power supply.

The fruit tree trimmer is characterized in that the telescopic rod is provided with scale marks along the length direction.

The fruit tree trimmer is characterized in that the support rod is provided with scale marks between the bottom end of the support rod and the upper surface of the fixing plate along the length direction.

The fruit tree trimmer is characterized in that the bottom end of the telescopic rod is provided with the push rod perpendicular to the telescopic rod, and two ends of the push rod extend out of the outer edge of the supporting rod.

The fruit tree trimmer comprises two push rods, wherein the bottom surfaces of the two push rods are located in the same plane and distributed in an X shape.

The fruit tree trimmer is characterized in that the push rod is provided with scale marks along the height direction.

The fruit tree trimmer is characterized in that the outer side of the fixed plate is covered with the protective cover fixedly connected to the supporting rod, and the position, opposite to the movable scissors, of the protective cover is provided with the abdicating groove.

The fruit tree trimmer, wherein the power supply is a rechargeable battery.

In summary, the beneficial technical effects of the utility model are as follows:

The automatic pruning device can improve the pruning efficiency of fruit trees and ensure the smoothness of pruning ports by arranging the automatic pruning parts, can set the height according to the requirements of different fruit tree stocks by the telescopic positioning parts, can conveniently and rapidly adjust the height of the pruning parts from the ground, ensures the consistency of the height of the pruning block, is convenient and rapid to use, does not need to bend down frequently, reduces the physical effort of operators, saves labor and is convenient, and the pruning heights are neat and consistent, and the pruning ports are neat and clean and heal quickly.

Drawings

FIG. 1 is a schematic side elevational view of the present utility model;

FIG. 2 is a top view of the scissor portion of FIG. 1 with the shield removed;

fig. 3 is an enlarged view of a portion a of fig. 1;

FIG. 4 is a right side view of FIG. 1;

fig. 5 is an enlarged view of a portion B of fig. 4.

The drawing shows that 1, a support rod, 11, a chute, 12, a placing groove, 13, an upper handle, 131, a starting switch, 14, a lower handle, 2, a scissor part, 21, a fixed plate, 211, a hinge shaft, 22, a fixed scissor, 23, a movable scissor, 24, a driven gear, 25, a driving motor, 26, a driving gear, 27, a power supply, 28, a controller, 3, a telescopic positioning part, 31, a telescopic rod, 311, a rack, 312, a push rod, 313, a scale mark, 32, a linkage gear, 33, a ratchet, 34, a pawl, 341, a pawl shaft, 35, a torsion spring, 36, a release rod, 5 and a protective cover are arranged.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

As shown in fig. 1 and 2, the fruit tree trimmer comprises a supporting rod 1, wherein a scissor part 2 for trimming fruit trees is arranged at the lower part of the supporting rod 1, the scissor part 2 comprises a fixed plate 21 which is vertically and fixedly connected with the supporting rod 1, a fixed scissor 22 which extends outwards is arranged at the outer side of the fixed plate 21, the upper surface of the fixed scissor 22 is coplanar with the upper surface of the fixed plate 21, a hinge shaft 211 which is vertical to the upper surface of the fixed plate 21 is fixedly connected with the upper surface of the fixed scissor, and a movable scissor 23 which is matched with the fixed scissor 22 is rotatably connected on the hinge shaft 211, namely the cutting edge of the movable scissor 23 is matched with the cutting edge of the fixed scissor 22. The hinge shaft 211 above the movable scissors 23 is rotationally connected with the driven gear 24, the driven gear 24 is fixedly connected with the movable scissors 23, the bottom surface of the fixed plate 21 is fixedly connected with the driving motor 25, the rotating shaft of the driving motor 25 extends out of the fixed plate 21 and is fixedly connected with the driving gear 26 meshed with the driven gear 24, the rotation of the driving gear 26 can synchronously drive the rotation of the driven gear 24, so that the movable scissors 23 and the fixed scissors 2/2 are closed or opened, the bottom of the supporting rod 1 is provided with the telescopic positioning part 3 for adjusting the distance between the scissors part 2 and the bottom end of the supporting rod 1, the fixed plate 21 is provided with the power supply 27 and the controller 28, and the controller 28 is respectively electrically connected with the driving motor 25 and the power supply 27.

As shown in fig. 1, 3, 4 and 5, the telescopic positioning portion 3 of this embodiment includes a telescopic rod 31, a linkage gear 32, a ratchet 33, a pawl 34, a torsion spring 35 and a release lever 36, a chute 11 with a lower opening is axially arranged at the bottom of the strut 1, the telescopic rod 31 is slidably arranged in the chute 11, a rack 311 is arranged at the outer side of the telescopic rod 31 along the length direction, a placing groove 12 opposite to the rack 311 is arranged on the bottom side wall of the strut 1, the placing groove 12 is communicated with the chute 11, the linkage gear 32 is arranged in the placing groove 12 and meshed with the rack 311, two ends of a rotating shaft of the linkage gear 32 are rotatably connected to the struts 1 at two sides of the placing groove 12, one side of the linkage gear 32 is fixedly connected with the ratchet 33, a pawl 34 meshed with the ratchet shaft 341 is fixedly connected at one end of the pawl 34, two ends of the ratchet shaft 341 are rotatably connected to the struts 1 at two sides of the placing groove 12, the torsion spring 35 is sleeved on the ratchet shaft 341, one end of the torsion spring 35 abuts against the pawl 34, and the other end of the torsion spring 35 is fixedly connected with the strut 1.

In order to facilitate the operation of the support rod 1, one side of the top of the support rod 1 is provided with a horizontal upper handle 13, the other side of the middle of the support rod 1 is provided with a lower handle 14, the outer side of the upper handle 13 is provided with a starting switch 131, and the starting switch 131 is electrically connected with a power supply 27.

In order to facilitate pushing and pulling the telescopic rod 31, a push rod 312 perpendicular to the bottom end of the telescopic rod 31 is arranged, and two ends of the push rod 312 extend out of the outer edge of the supporting rod 1. The two ends of the push rod 312 extend out of the outer edge of the supporting rod 1, so that the end of the push rod 312 can be conveniently held to push or pull the telescopic rod 31 out of the sliding groove 11.

In order to ensure the uniformity of the shear cuts when the support rod 1 is used, the support rod 1 is perpendicular to the bottom surface, the push rods 312 comprise two push rods 312, the bottom surfaces of the two push rods 312 are positioned in the same plane, and the two push rods 312 are distributed in an X shape. The two push rods 312 of the present embodiment are disposed perpendicular to each other.

In order to conveniently control the length of the extension rod 31 extending out of the chute 11, the extension rod 31 is provided with graduation marks 313 along the length direction.

In order to intuitively know the distance between the bottom end of the strut 1 and the upper surface of the fixed shears 22, the strut 1 is provided with graduation marks 313 between the bottom end of the strut 1 and the upper surface of the fixed plate 21 in the length direction.

The push rod 312 is provided with graduation marks 313 in the height direction.

The fixed plate 21 outside cover is equipped with the protection casing 5 that links firmly on branch 1, and the lateral wall of protection casing 5 is equipped with the groove of stepping down with the activity and cuts 23 relatively department, sets up the groove of stepping down and can avoid activity to cut 23 to take place to interfere with protection casing 5 when rotating, is convenient for the closure or opening between fixed shearing 22 and the activity cut 23.

The power 27 is chargeable battery, and the protection casing 5 outside sets up the interface that charges of being connected with power 27 electricity, and power 27 adopts chargeable battery, and the portable of clipping machine of being convenient for need not external power supply has improved clipping machine use's convenience.

The specific working process of the utility model is as shown in figures 1 and 3, firstly, the end part of the push rod 312 is held, the telescopic rod 31 is pulled outwards to a proper position, the rack 311 on the telescopic rod 31 drives the linkage gear 32 to rotate, the linkage gear 32 synchronously drives the ratchet wheel 33 to rotate, the pawl 34 is always pressed against the pawl 34 under the action of the torsion spring 35, thus the telescopic rod 31 is prevented from being pushed into the chute 11 under the action of external force, and the aim of adjusting the distance between the upper surface of the fixed scissors 22 and the bottom end of the support rod 1 is realized, namely the positioning adjustment of the height of the shearing anvil is realized. When the length of the telescopic rod 31 extending out of the chute 11 needs to be shortened, the release rod 36 is only required to rotate clockwise to drive the pawl 34 to rotate clockwise, the pawl 34 is separated from the ratchet 33, the push rod 312 is pushed upwards at the moment, the push rod 312 is pushed into the chute 11 to a proper depth, free setting of the length of the push rod 312 extending out of the chute 11 is achieved, then the release rod 36 is released, and the pawl 34 is clamped with the ratchet 33, so that locking and positioning of the push rod 312 are achieved. The height of the stock from the ground can be set by adding the push rod 312, the telescopic rod 31 and the scale marks 313 on the supporting rod 1, so that the shearing requirements on different seedling heights are realized.

As shown in fig. 1 and 2, after the height of the strut 1 is adjusted, the start switch 131 is turned on, the power supply 27 supplies power to the controller 28, the controller 28 controls the rotating shaft of the driving motor 25 to rotate in a positive-negative alternate mode, the rotating shaft of the driving motor 25 drives the driving gear 26 to rotate in a positive-negative mode, so that the driven gear 24 is driven to rotate in a positive-negative mode, the movable scissors 23 rotate clockwise or anticlockwise, the movable scissors 23 and the fixed scissors 22 are opened and closed, when the movable scissors 23 and the fixed scissors 22 are opened, a stock is placed between the movable scissors 23 and the fixed scissors 22, and the movable scissors 23 and the fixed scissors 22 are closed, so that the stock can be trimmed.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not limited in scope by the present utility model, so that all equivalent changes according to the structure, shape and principle of the present utility model are covered by the scope of the present utility model.

Claims

1. A fruit tree trimmer is characterized by comprising a supporting rod, wherein a scissor part used for trimming fruit trees is arranged at the lower part of the supporting rod, the scissor part comprises a fixed plate vertically and fixedly connected with the supporting rod, a fixed scissor extending outwards is arranged at the outer side of the fixed plate, the upper surface of the fixed scissor is coplanar with the upper surface of the fixed plate, a hinge shaft is fixedly connected with the upper surface of the fixed plate, a movable scissor matched with the fixed scissor is rotatably connected onto the hinge shaft, a driven gear is rotatably connected onto the hinge shaft above the movable scissor, the driven gear is fixedly connected with the movable scissor, the bottom surface of the fixed plate is fixedly connected with a driving motor, a rotating shaft of the driving motor extends out of the fixed plate and is fixedly connected with a driving gear meshed with the driven gear, a telescopic positioning part used for adjusting the distance between the scissor part and the bottom end of the supporting rod is arranged at the bottom of the supporting rod, and a power supply and a controller are arranged on the fixed plate and are respectively electrically connected with the driving motor and the power supply.

2. The fruit tree trimmer according to claim 1, wherein the telescopic positioning part comprises a telescopic rod, a linkage gear, a ratchet, a pawl, a torsion spring and a release rod, a chute with a lower opening is formed in the bottom of the supporting rod along the axial direction, the telescopic rod is slidably arranged in the chute, a rack is arranged on the outer side of the telescopic rod along the length direction, a placing groove opposite to the rack is formed in the side wall of the bottom of the supporting rod, the placing groove is communicated with the chute, the linkage gear is arranged in the placing groove and meshed with the rack, two ends of a rotating shaft of the linkage gear are rotationally connected to the supporting rods on two sides of the placing groove, one side of the linkage gear is fixedly connected with a ratchet wheel with the same shaft, two ends of the ratchet shaft are rotationally connected to the supporting rods on two sides of the placing groove, the torsion spring is sleeved on the ratchet shaft, one end of the torsion spring is abutted against the pawl, and the other end of the torsion spring is fixedly connected with the supporting rods.

3. The fruit tree trimmer of claim 1, wherein a horizontal upper handle is provided on one side of the top of the pole support, a lower handle is provided on the other side of the middle of the pole support, and a start switch is provided on the outer side of the upper handle, and is electrically connected to a power source.

4. The fruit tree trimmer of claim 2, wherein the telescoping rod is provided with graduation marks along the length thereof.

5. The fruit tree trimmer of claim 1, wherein the strut is provided with graduation marks along the length between the bottom end and the upper surface of the fixed plate.

6. The fruit tree trimmer according to claim 2, wherein the bottom end of the telescopic rod is provided with a push rod perpendicular to the bottom end of the telescopic rod, and two ends of the push rod extend out of the outer edge of the supporting rod.

7. The fruit tree trimmer of claim 6 wherein said push rods comprise two of said push rods having bottom surfaces which lie in the same plane and are distributed in an X-shape.

8. The fruit tree trimmer of claim 6 wherein said push rod is provided with graduation marks in a height direction.

9. The fruit tree trimmer of claim 1, wherein the outer side of the fixed plate is covered with a protective cover fixedly connected to the supporting rod, and a yielding groove is arranged at the position of the protective cover opposite to the movable shears.

10. The tree trimmer of claim 1, wherein the power source is a rechargeable battery.