CN213153016U

CN213153016U - Mulberry cutting device

Info

Publication number: CN213153016U
Application number: CN202021691044.0U
Authority: CN
Inventors: 陈传杰; 顾寅钰; 郭光�
Original assignee: Shandong Sericultural Research Institute
Current assignee: Shandong Sericultural Research Institute
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-11
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to the field of plant pruning tools, in particular to a mulberry cutting device, which comprises a cutting device and a backpack power source; the cutting device comprises a lower support, an extension rod, an upper support, a driving mechanism, a clamping mechanism and a cutting mechanism; the driving mechanism comprises an electric push rod, a gear-rack mechanism, a return spring, a reversing pulley and a pull rope; the clamping mechanism comprises two groups of clamping units, and each clamping unit comprises a clamp body, a first driving connecting rod, a first driven connecting rod, a torsion spring and a shifting pin; the shearing mechanism comprises two groups of shearing units, and each shearing unit comprises a shearing blade, a second driving connecting rod and a second driven connecting rod; the backpack power source is used for supplying power to the driving mechanism. Through the utility model discloses, mulberry grower only needs handheld cutting device operation can realize fixture centre gripping mulberry branch simultaneously, cuts the mechanism and cuts the mulberry branch, and this process mulberry grower need not grasp the mulberry branch with the hand, and mulberry grower need not bow in addition just can cut the mulberry, can effectively improve and cut mulberry efficiency.

Description

Mulberry cutting device

Technical Field

The utility model relates to a plant clipper field specifically is a mulberry cuts device of cutting down.

Background

The mulberry is one of perennial economic forest trees, and the high yield period can reach more than 15 years. Mulberry trees are used for silkworm breeding, and mulberry branches are needed to be cut every year. Currently, mulberry growers commonly use pruning shears, sickles or handsaws and the like as felling tools, and the tools have the following defects: (1) when cutting mulberry, a mulberry grower needs to hold the mulberry twigs by hands to prevent the mulberry twigs from moving under the action of a mulberry cutting tool, which needs two hands or even two persons to operate, so that the working efficiency is low, and the hands of the mulberry grower are easily scratched by the mulberry twigs; (2) as the mulberry branches grow vertically, the mulberry grower needs to bend down to cut the mulberry branches, which causes high labor intensity of the mulberry grower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned prior art, provide a mulberry cutting device, the mulberry grower only needs handheld cutting device operation can realize fixture centre gripping mulberry branch, shearing mechanism simultaneously and cuts the mulberry branch, and this in-process mulberry grower need not grasp the mulberry branch with the hand, improves and cuts mulberry efficiency to and prevent that the hand of mulberry grower from being by the mulberry branch fish tail.

The utility model discloses the technical problem that will solve adopts following technical scheme to realize:

a mulberry cutting device comprises a cutting device and a backpack power source;

the cutting device comprises a lower support, an extension rod, an upper support, a driving mechanism, a clamping mechanism and a cutting mechanism, wherein the lower support and the upper support are fixedly arranged at the lower end and the upper end of the extension rod respectively;

the driving mechanism comprises an electric push rod, a gear-rack mechanism, a reset spring, a reversing pulley and a pull rope, the gear-rack mechanism is arranged on the lower support in a bilateral symmetry mode, the electric push rod is arranged on the upper support, the gear-rack mechanism comprises a gear and a rack, the gear is arranged on the lower support through a vertical rotating shaft, the rack can be arranged on the lower support in a front-back sliding mode and is meshed with the gear, the reset spring is arranged between the rack and the lower support and generates forward acting force on the rack, the reversing pulley is arranged on the lower support, and two ends of the pull rope are respectively connected with the rack and the electric push rod and bypasses the reversing pulley;

the clamping mechanism comprises two groups of clamping units which are arranged in bilateral symmetry, and each clamping unit comprises a clamp body, a first driving connecting rod, a first driven connecting rod, a torsion spring and a shifting pin; the first driving connecting rod is rotatably connected with the rotating shaft, the first driven connecting rod is pivoted with the lower support, the clamp body is respectively pivoted with the first driving connecting rod and the first driven connecting rod, and the first driving connecting rod, the first driven connecting rod, the lower support and the clamp body form a parallelogram mechanism; the torsion spring is arranged between the rotating shaft and the first driving connecting rod and generates inward acting force on the first driving connecting rod; the shifting pin is fixedly connected with the rotating shaft and is positioned on the inner side of the first driving connecting rod;

the shearing mechanism is arranged below the clamping mechanism and comprises two groups of shearing units which are arranged in bilateral symmetry, and each shearing unit comprises a shearing blade, a second driving connecting rod and a second driven connecting rod; the second driving connecting rod is fixedly connected with the rotating shaft, the second driven connecting rod is pivoted with the lower support, the shear blade is respectively pivoted with the second driving connecting rod and the second driven connecting rod, and the second driving connecting rod, the second driven connecting rod, the lower support and the shear blade form a parallelogram mechanism;

the backpack power source is provided with a strap and used for supplying power to the driving mechanism.

The technical proposal of the utility model is also that: the backpack power source comprises a shell and a photovoltaic panel, the straps are arranged on the shell, a storage battery is arranged in the shell, and the photovoltaic panel is fixedly arranged at the top of the shell and is in a tilting state with a high front part and a low back part. By adopting the technical scheme, the photovoltaic panel can shade sun and rain for mulberry farmers when converting light energy into electric energy.

The technical proposal of the utility model is also that: and a handle is fixedly arranged on the upper bracket.

The technical proposal of the utility model is also that: the inner side of the clamp body is provided with an arc-shaped groove.

When the mulberry cutting device of the utility model is used for cutting mulberry, a mulberry grower holds the cutting device in hand to make mulberry branches positioned between the two clamping bodies, the electric push rod pulls the rack backwards, and the rotating shaft is rotated through the gear-rack mechanism. The rotating shaft drives the first driving connecting rod to swing inwards through the torsion spring, so that the clamp body is driven to move inwards, and the mulberry branches are clamped; the rotating shaft also simultaneously drives the second driving connecting rod to swing inwards, so that the scissor blade is driven to move inwards. When the clamp body and the shear blade contact the ramulus mori, the clamp body stops continuously swinging after being subjected to resistance because the first driving connecting rod is rotatably connected with the rotating shaft; the second driving connecting rod fixedly connected with the rotating shaft continuously swings inwards to cut off the ramulus mori, and in the process, the torsion spring deforms, and the clamp body clamps the ramulus mori under the action of the torsion spring to prevent the ramulus mori from moving. After the mulberry branches are cut off, the mulberry grower clamps the mulberry branches through a clamping mechanism and places the mulberry branches in a collection container. When the electric push rod is pushed forwards, the poking pin pokes the second driving connecting rod under the action of the reset spring to reset all the mechanisms.

Compared with the prior art, the utility model discloses mulberry tree cuts device's beneficial effect does: (1) the mulberry branch can be clamped by the clamping mechanism and cut by the shearing mechanism at the same time only by the mulberry grower holding the cutting device, and the mulberry branch does not need to be held by the mulberry grower in the process, so that the mulberry cutting efficiency is greatly improved, and the mulberry grower can be prevented from being scratched by the mulberry branch; (2) after the mulberry branches are cut off, a mulberry grower can directly use the mulberry cutting device to place the mulberry branches into a collecting device, and does not need to bend down to pick up the mulberry branches, so that the labor intensity of the mulberry grower is reduced; (3) because the extension rod is arranged, the mulberry grower does not need to bend down when cutting off the short mulberry twigs, thereby reducing the labor intensity of the mulberry grower; (4) the backpack power source is adopted to supply power to the driving mechanism, so that the labor intensity of mulberry farmers is low.

Drawings

Fig. 1 is a perspective view of a mulberry tree pruning device according to an embodiment.

FIG. 2 is a side view of the mulberry tree pruning device according to the first embodiment.

FIG. 3 is a schematic structural diagram of a first operating state of the first cutting device according to the first embodiment.

FIG. 4 is a schematic structural diagram of a second operating state of the first embodiment of the clipping device.

FIG. 5 is a perspective view of a clipper in accordance with one embodiment.

FIG. 6 is a perspective view of the pivot shaft, the first drive link, and the torsion spring according to one embodiment.

In the figure: 1. the device comprises a lower support, 2, an extension rod, 3, an upper support, 4, an electric push rod, 5, a gear, 6, a rack, 7, a clamp body, 8, a first driving connecting rod, 9, a first driven connecting rod, 10, a torsion spring, 11, a poking pin, 12, a shear blade, 13, a second driving connecting rod, 14, a second driven connecting rod, 15, a button switch, 16, a pull rope, 17, an arc-shaped groove, 18, a rotating shaft, 19, a strap, 20, a shell, 21, a photovoltaic panel, 22, a handle, 23, a reset spring, 24, a reversing pulley, 25 and mulberry branches.

Detailed Description

The following examples are further illustrative of the present invention, but the present invention is not limited thereto. Because of the utility model discloses it is more complicated, therefore embodiment is only right the utility model discloses a point part carries out the detail, the utility model discloses the part of not detail all can adopt prior art.

Example 1:

as shown in figures 1-6, a mulberry cutting device comprises a cutter and a backpack power source.

The cutting device comprises a lower support 1, an extension rod 2, an upper support 3, a driving mechanism, a clamping mechanism and a cutting mechanism, wherein the lower support 1 and the upper support 3 are fixedly arranged at the lower end and the upper end of the extension rod 2 respectively.

The driving mechanism comprises an electric push rod 4, a gear-rack mechanism, a return spring 23, a reversing pulley 24 and a pull rope 16, the gear-rack mechanism is arranged on the lower support 1 in a bilateral symmetry mode, the electric push rod 4 is arranged on the upper support 3, the gear-rack mechanism comprises a gear 5 and a rack 6, the gear 5 is arranged on the lower support 1 through a vertical rotating shaft 18, the rack 6 is arranged on the lower support 1 in a front-back sliding mode and meshed with the gear 5, the return spring 23 is arranged between the rack 6 and the lower support 1 and generates forward acting force on the rack 6, the reversing pulley 24 is arranged on the lower support 1, and two ends of the pull rope 16 are respectively connected with the rack 6 and the electric push rod 4 and bypass the reversing pulley 24.

The clamping mechanism comprises two groups of clamping units which are symmetrically arranged left and right, and each clamping unit comprises a clamp body 7, a first driving connecting rod 8, a first driven connecting rod 9, a torsion spring 10 and a poking pin 11. The first driving connecting rod 8 is rotatably connected with the rotating shaft 18, the first driven connecting rod 9 is pivoted with the lower support 1, the clamp body 7 is respectively pivoted with the first driving connecting rod 8 and the first driven connecting rod 9, an arc-shaped groove 17 is formed in the inner side of the clamp body 7, and the first driving connecting rod 8, the first driven connecting rod 9, the lower support 1 and the clamp body 7 form a parallelogram mechanism. As shown in fig. 6, the torsion spring 10 is installed between the rotating shaft 18 and the first driving link 8, and the torsion spring 10 generates an inward acting force on the first driving link 8. The shifting pin 11 is fixedly connected with the rotating shaft 18 and is positioned at the inner side of the first driving connecting rod 8.

The shearing mechanism is arranged below the clamping mechanism and comprises two groups of shearing units which are symmetrically arranged left and right, and each shearing unit comprises a shearing blade 12, a second driving connecting rod 13 and a second driven connecting rod 14. The second driving connecting rod 13 is fixedly connected with the rotating shaft 18, the second driven connecting rod 14 is pivoted with the lower support 1, the shear blade 12 is respectively pivoted with the second driving connecting rod 13 and the second driven connecting rod 14, and the second driving connecting rod 13, the second driven connecting rod 14, the lower support 1 and the shear blade 12 form a parallelogram mechanism.

The backpack power source comprises a shell 20 and a photovoltaic panel 21, a strap 19 is arranged on the shell 20, a storage battery, a charge and discharge controller and other photovoltaic components are arranged in the shell 20, and the photovoltaic panel 21 is fixedly installed at the top of the shell and is in an inclined state with a high front part and a low back part. The backpack power source is used for supplying power to the driving mechanism.

The upper bracket 3 is fixedly provided with a handle 22, and a button switch 15 is arranged on the side of the handle and used for controlling the action of the electric push rod 4.

When the mulberry cutting device of the embodiment is used for cutting mulberry, a mulberry grower holds the cutting device by hand, so that the mulberry branches 26 are positioned between the two clamping bodies 7, presses the button switch 15, starts the electric push rod 4 to pull the rack 6 backwards, and rotates the rotating shaft 18 through the gear-rack mechanism. The rotating shaft 18 drives the first driving connecting rod 8 to swing inwards through the torsion spring 10, so that the clamp body 8 is driven to move inwards, and the mulberry branch 26 is clamped; the shaft 18 also simultaneously drives the second drive link 13 to swing inwardly, thereby driving the scissor blade 12 to move inwardly. When the clamp body 7 and the scissor blade 12 contact the mulberry twig 26, the clamp body 7 stops swinging continuously after being subjected to resistance because the first driving connecting rod 8 is rotatably connected with the rotating shaft 18; the second driving link 13 fixedly connected to the rotating shaft 18 continuously swings inward to cut off the ramulus mori (as shown in fig. 4), during which the torsion spring 10 deforms, and the clamp 7 clamps the ramulus mori 26 under the action of the torsion spring 10 to prevent the ramulus mori from moving. After cutting the mulberry twig 26, the mulberry grower grasps the mulberry twig 26 by the grasping mechanism and places it in the collection container. When the electric push rod 4 is pushed forward, the pin 11 drives the second active link 13 to reset the mechanisms under the action of the return spring 23, as shown in fig. 3.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A mulberry cutting device is characterized in that: comprises a cutting device and a backpack power source;

the cutting device comprises a lower support (1), an extension rod (2), an upper support (3), a driving mechanism, a clamping mechanism and a cutting mechanism, wherein the lower support (1) and the upper support (3) are fixedly arranged at the lower end and the upper end of the extension rod (2) respectively;

the driving mechanism comprises an electric push rod (4), a gear-rack mechanism, a return spring (23), a reversing pulley (24) and a pull rope (16), the gear-rack mechanisms are arranged on the lower bracket (1) in a bilateral symmetry manner, the electric push rods (4) are arranged on the upper bracket (3), the gear-rack mechanism comprises a gear (5) and a rack (6), the gear (5) is arranged on the lower bracket (1) through a vertical rotating shaft (18), the rack (6) can be arranged on the lower bracket (1) in a front-back sliding way and is meshed with the gear (5), the return spring (23) is arranged between the rack (6) and the lower bracket (1) and generates forward acting force to the rack (6), the reversing pulley (24) is arranged on the lower bracket (1), and two ends of the pull rope (16) are respectively connected with the rack (6) and the electric push rod (4) and pass around the reversing pulley (24);

the clamping mechanism comprises two groups of clamping units which are arranged in bilateral symmetry, and each clamping unit comprises a clamp body (7), a first driving connecting rod (8), a first driven connecting rod (9), a torsion spring (10) and a shifting pin (11); the first driving connecting rod (8) is rotatably connected with the rotating shaft (18), the first driven connecting rod (9) is pivoted with the lower support (1), the clamp body (7) is respectively pivoted with the first driving connecting rod (8) and the first driven connecting rod (9), and the first driving connecting rod (8), the first driven connecting rod (9), the lower support (1) and the clamp body (7) form a parallelogram mechanism; the torsion spring (10) is arranged between the rotating shaft (18) and the first driving connecting rod (8), and the torsion spring (10) generates inward acting force on the first driving connecting rod (8); the shifting pin (11) is fixedly connected with the rotating shaft (18) and is positioned on the inner side of the first driving connecting rod (8);

the shearing mechanism is arranged below the clamping mechanism and comprises two groups of shearing units which are arranged in a bilateral symmetry mode, and each shearing unit comprises a shearing blade (12), a second driving connecting rod (13) and a second driven connecting rod (14); the second driving connecting rod (13) is fixedly connected with the rotating shaft (18), the second driven connecting rod (14) is pivoted with the lower support (1), the shear blade (12) is respectively pivoted with the second driving connecting rod (13) and the second driven connecting rod (14), and the second driving connecting rod (13), the second driven connecting rod (14), the lower support (1) and the shear blade (12) form a parallelogram mechanism;

and a back strap (19) is arranged on the back-pack type power source, and the back-pack type power source is used for supplying power to the driving mechanism.

2. A mulberry cutting device according to claim 1, wherein: the backpack power source comprises a shell (20) and a photovoltaic panel (21), the straps (19) are arranged on the shell (20), a storage battery is arranged in the shell (20), and the photovoltaic panel (21) is fixedly arranged at the top of the shell and is in an inclined state with a high front part and a low back part.

3. A mulberry cutting device according to claim 1, wherein: the upper bracket (3) is fixedly provided with a handle (22).

4. A mulberry cutting apparatus according to any one of claims 1 to 3, wherein: the inner side of the clamp body (7) is provided with an arc-shaped groove (17).