Fruit tree electric pruning device capable of preventing hands from being cut

Abstract

The utility model discloses a fruit tree electric pruning device capable of preventing hands from being cut, and relates to the technical field of forestry tools. The blade is sleeved with the protective cover, connecting springs are fixed to the inner wall of the protective cover at equal intervals, and the other ends of the connecting springs are embedded and fixed into one side wall of the blade; the driving strips are fixed to the lower side wall of the sliding strip, a driving gear is arranged between the two driving strips, and the driving gear is engaged with the tooth grooves in the driving strips on the two sides; the driving motor is embedded and fixed in the base, and an output shaft of the driving motor is fixedly connected with the driving gear; the lower side of the lifting mechanism penetrates through the lower side wall of the base and then is fixedly provided with a bottom plate, a holding rod is fixed to the lower surface of the bottom plate, and a control switch set is fixed to one side of the outer ring wall of a cross rod of the holding rod and connected with the driving motor and the lifting mechanism. And the protective cover arranged on the outer side of the blade can shield the blade, and meanwhile, the blade is not influenced to trim branches, so that the effect of preventing hands from being cut is achieved, and the safety of a worker during use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forestry tools, in particular to an electric pruning device for fruit trees which can prevent hands from being cut. Background Art

[0002] In addition to daily management such as fertilizing, watering, and weeding, regular pruning of fruit trees is also a necessary management task in orchard management. When the best pruning period for fruit trees comes, fruit farmers will hire a large number of workers to prune fruit branches. Traditional pruning of fruit branches is generally done by manual pruning tools. This pruning method is not only inefficient, but also wastes a lot of manpower and material resources. Later, electric pruning tools were introduced, but they are easy to injure people during use, thus reducing safety. Utility Model Content

[0003] The purpose of the utility model is to provide a hand-cutting-proof electric pruner for fruit trees with reasonable design and convenient use in view of the defects and shortcomings of the prior art, which can effectively solve the defects of the above-mentioned prior art.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: it comprises a base, a blade and a sliding bar, wherein the blades are arranged on both the left and right sides of the upper side of the base, the blades are arranged in a staggered manner, and the front and rear blades are arranged in a matching and abutting manner, and the lower sides of the blades are fixed with sliding bars, and the sliding bars are slidably arranged in a sliding groove on the upper side wall of the base, and a storage battery is embedded in the upper side of the base; it also comprises:

[0005] Protective covers, wherein there are two protective covers, and the protective covers are respectively sleeved on the outer side of the blade, the adjacent side walls of the two protective covers are arranged to abut against each other, and connecting springs are fixed on the inner wall of the protective cover at equal distances from top to bottom, and the other end of the connecting spring is embedded and fixed in one side wall of the blade;

[0006] There are two driving bars, and the driving bars are respectively fixed on the lower side walls of the sliding bar. A driving gear is arranged between the two driving bars. The driving gear is located in the base, and the driving gear is respectively meshed with the tooth grooves on the driving bars on both sides;

[0007] A driving motor, wherein the driving motor is embedded and fixed in the base, the driving motor is connected to the battery, and the output shaft of the driving motor is fixedly connected to the driving gear;

[0008] A lifting mechanism, wherein the lifting mechanism is arranged inside the base, and a bottom plate is fixed to the lower side of the lifting mechanism after passing through the lower side wall of the base, and a grip rod is fixed to the lower surface of the bottom plate, and the grip rod is arranged in a "U" shape, and a control switch group is fixed to one side of the outer ring wall of the cross bar of the grip rod, and the control switch group is connected to the drive motor and the lifting mechanism;

[0009] Through the above technical scheme, the handle is held by hand, and the lifting mechanism is started by the control switch group according to the height of the branch to be pruned. The lifting mechanism drives the base to move, and the base drives the blade to move until the blade moves to a suitable position, and then the drive motor is started by the control switch group. The drive motor drives the drive gear to rotate, and the drive gear drives the drive bars on both sides to move, and the drive bar drives the sliding bar and the blade to move, so that the distance between the two blades increases. At this time, the blade drives the protective cover to move to both sides, and then the two blades are located on both sides of the branch to be pruned, and then the drive motor is started in reverse. The drive motor drives the blade to move to the adjacent side through the drive gear, the drive bar and the sliding bar, so that the branch is pruned by the blade, and during the pruning process, the protective cover contacts the branch, and the connecting spring is stretched at this time. After the pruning is completed, the protective cover moves to one side of the blade under the elastic force of the connecting spring, so that the protective cover covers the blade, which protects the blade and prevents the blade from cutting the staff's hands.

[0010] As a further improvement of the utility model, a support plate is fixed symmetrically on the top wall of the base, and the support plate is located on the outside of the protective cover. One side of the outer wall of the protective cover is slidably arranged in a slide groove on the inner wall of the corresponding support plate through a slider;

[0011] The above technical solution can increase the stability of the protective cover when it moves.

[0012] As a further improvement of the utility model, the lifting mechanism comprises:

[0013] Telescopic connecting rods, there are two telescopic connecting rods, and they are symmetrically arranged in the base front and back, and the upper and lower ends of one side of the telescopic connecting rod are respectively fixed to the inner top wall of the base and one side of the upper surface of the bottom plate through hinge seats;

[0014] Sliding blocks, there are four sliding blocks, and two of them are symmetrically connected to the upper and lower ends of the other side of the telescopic connecting rod by hinged left rotation, the sliding blocks on the two telescopic connecting rods are staggered left and right, and the sliding blocks are respectively slidably set in the inner top wall of the base and the sliding grooves on the upper surface of the bottom plate;

[0015] There are two lifting screws, which are screwed and embedded in the front and rear sides of the bottom plate through bearings. The lifting screws are screwed in the sliding blocks in the bottom plate through threads. The threads of the two lifting screws are arranged oppositely, and the two lifting screws are connected through a synchronous wheel transmission assembly.

[0016] A lifting motor, wherein the lifting motor is embedded in one side of the bottom plate, the lifting motor is connected to the battery, the lifting motor is connected to the control switch group, and the output shaft of the lifting motor is connected to one end of one of the lifting screw rods;

[0017] Through the above technical solution, the lifting motor is started, and the lifting motor drives the lifting screw connected to it to rotate, and the lifting screw drives a lifting screw to rotate through the synchronous wheel transmission assembly. The threads of the two lifting screws are opposite, so that the two lifting screws drive the two sliding blocks to move in opposite directions, and the sliding block drives the lower end moving rod on one side of the telescopic connecting rod, thereby driving the base to move upward through the characteristics of the telescopic connecting rod until the base moves to a suitable height.

[0018] As a further improvement of the utility model, a guide rod is fixed symmetrically to the center of the upper surface of the bottom plate, and the guide rod is movably inserted in the base;

[0019] The above technical solution can improve the stability of the base when it moves up and down.

[0020] As a further improvement of the utility model, a cover plate is embedded on one side wall of the base, the cover plate is connected to the base by bolts, the cover plate abuts against one side wall of the battery, and a push spring abuts against the other side wall of the battery, and the other end of the push spring is fixed to the inner wall of one side of the base;

[0021] Through the above technical solution, when the battery needs to be replaced, the bolts on the cover plate are loosened, and the elastic force of the push spring pushes the battery outward, thereby facilitating the removal of the battery.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses an electric pruner for fruit trees that prevents hands from being cut, and a protective cover arranged on the outside of the blade can shield the blade, and at the same time does not affect the pruning of branches by the blade, thereby achieving the effect of preventing hands from being cut and improving the safety of workers when using it. The utility model has the advantages of reasonable setting and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 It is an exploded view of the utility model.

[0025] Figure 3 This is an exploded view of the blade, protective cover, connecting spring and driving gear in the utility model.

[0026] Figure 4 It is an exploded view of the lifting mechanism in the utility model.

[0027] Description of reference numerals:

[0028] Base 1, blade 2, sliding bar 3, battery 4, protective cover 5, connecting spring 6, driving bar 7, driving gear 8, driving motor 9, lifting mechanism 10, telescopic connecting rod 10-1, sliding block 10-2, lifting screw rod 10-3, lifting motor 10-4, grip 11, control switch group 12, support plate 13, guide rod 14, cover plate 15, push spring 16, bottom plate 17. DETAILED DESCRIPTION

[0029] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] like Figure 1-Figure 4 As shown, this embodiment includes a base 1, a blade 2 and a sliding bar 3. The blades 2 are arranged on the left and right sides of the upper side of the base 1. The blades 2 are arranged in a staggered manner, and the front and rear blades 2 are arranged to cooperate and abut against each other. The lower sides of the blades 2 are fixed with sliding bars 3 by bolts. The sliding bars 3 are slidably arranged in the slide grooves on the upper side walls of the base 1. The upper side of the base 1 is embedded with a battery 4; a cover plate 15 is embedded on the left side wall of the base 1, and the cover plate 15 is connected to the base 1 by bolts. The cover plate 15 abuts against the left side wall of the battery 4, and a push spring 16 abuts against the right side wall of the battery 4. The right end of the push spring 16 is welded and fixed to the inner wall of the right side of the base 1. When the battery 4 needs to be replaced, the bolts on the cover plate 15 are loosened, and the elastic force of the push spring 16 pushes the battery 4 outward, thereby facilitating the removal of the battery 4; it also includes:

[0032] The protective cover 5 is two in number and is respectively sleeved on the outer side of the blade 2. The adjacent side walls of the two protective covers 5 are arranged in abutment with each other. A connecting spring 6 is welded and fixed to the inner wall of the protective cover 5 at equal distances from top to bottom. The other end of the connecting spring 6 is embedded and welded and fixed in one side wall of the blade 2. A supporting plate 13 is welded and fixed to the top wall of the base 1 symmetrically in front and back. The supporting plate 13 is located on the outer side of the protective cover 5. One side of the outer side wall of the protective cover 5 is slidably arranged in a slide groove on the inner wall of the corresponding supporting plate 13 through a slider, which can increase the stability of the protective cover 5 when it moves.

[0033] The driving bars 7 are two in number and are respectively welded and fixed on the lower side wall of the sliding bar 3. A driving gear 8 is arranged between the two driving bars 7. The driving gear 8 is located in the base 1 and is respectively meshed with the tooth grooves on the driving bars 7 on both sides.

[0034] A driving motor 9, wherein the driving motor 9 is embedded and fixed in the base 1, the driving motor 9 is connected to the battery 4, and the output shaft of the driving motor 9 is fixedly connected to the driving gear 8;

[0035] A lifting mechanism 10 is arranged inside the base 1. The lower side of the lifting mechanism 10 passes through the lower side wall of the base 1 and is connected to the bottom plate 17. A guide rod 14 is welded and fixed symmetrically at the center of the upper surface of the bottom plate 17. The guide rod 14 is movably inserted in the base 1 to improve the stability of the base 1 when it moves up and down; a grip rod 11 is welded and fixed on the lower surface of the bottom plate 17. The grip rod 11 is arranged in a "U" shape. A control switch group 12 is fixed to the front side of the outer ring wall of the cross bar of the grip rod 11 by bolts. The control switch group 12 is connected to the drive motor 9 and the lifting mechanism 10.

[0036] Embodiment 2:

[0037] See also Figure 2 , Figure 4 As shown, based on Example 1, the lifting mechanism 10 comprises:

[0038] Telescopic connecting rods 10-1, there are two telescopic connecting rods 10-1, and they are symmetrically arranged in the base 1 front and back, and the upper and lower ends of one side of the telescopic connecting rod 10-1 are respectively fixed to the inner top wall of the base 1 and one side of the upper surface of the bottom plate 17 through hinge seats;

[0039] Sliding blocks 10-2, there are four sliding blocks 10-2, and two of them are symmetrically connected to the upper and lower ends of the other side of the telescopic connecting rod 10-1 by hinged left rotation, and the sliding blocks 10-2 on the two telescopic connecting rods 10-1 are staggered left and right, and the sliding blocks 10-2 are respectively slidably set in the sliding grooves on the inner top wall of the base 1 and the upper surface of the bottom plate 17;

[0040] There are two lifting screws 10-3, which are screwed and embedded in the front and rear sides of the bottom plate 17 through bearings. The lifting screws 10-3 are screwed into the sliding block 10-2 in the bottom plate 17 through threads. The threads of the two lifting screws 10-3 are arranged oppositely, and the two lifting screws 10-3 are connected by a synchronous wheel transmission assembly.

[0041] The lifting motor 10-4 is embedded in the left side of the bottom plate 17, the lifting motor 10-4 is connected to the battery 4, the lifting motor 10-4 is connected to the control switch group 12, and the output shaft of the lifting motor 10-4 is connected to the left end of the lifting screw rod 10-3 on the rear side.

[0042] When using the utility model, the user holds the handle 11 and starts the lifting motor 10-4 through the control switch group 12 according to the height of the branch rod to be pruned. The lifting motor 10-4 drives the lifting screw rod 10-3 connected thereto to rotate. The lifting screw rod 10-3 drives one lifting screw rod 10-3 to rotate through the synchronous wheel transmission assembly. The threads of the two lifting screw rods 10-3 are opposite, so that the two lifting screw rods 10-3 drive the two sliding blocks 10-2 to move in opposite directions. The sliding block 10-2 drives the lower end moving rod on one side of the telescopic connecting rod 10-1, thereby driving the base 1 to move upward through the characteristics of the telescopic connecting rod 10-1, and the base 1 drives the blade 2 to move until the blade 2 moves to a suitable position, and then starts the drive motor 9 through the control switch group 12. The drive motor 9 drives the drive motor 9 to move. The movable gear 8 rotates, and the driving gear 8 drives the driving bars 7 on both sides to move, and the driving bars 7 drive the sliding bars 3 and the blades 2 to move, so that the distance between the two blades 2 increases. At this time, the blades 2 drive the protective cover 5 to move to both sides, and then the two blades 2 are located on both sides of the branch rod to be pruned, and then the driving motor 9 is started in reverse. The driving motor 9 drives the blade 2 to move to the adjacent side through the driving gear 8, the driving bar 7 and the sliding bar 3, so that the branch rod is pruned by the blade 2, and during the pruning process, the protective cover 5 contacts the branch rod, and the connecting spring 6 is stretched at this time. After the pruning is completed, the protective cover 5 moves to one side of the blade 2 under the elastic force of the connecting spring 6, so that the protective cover 5 covers the blade 2, which protects the blade 2 and prevents the blade 2 from cutting the staff's hands.

[0043] Compared with the prior art, the beneficial effects of this specific implementation are as follows:

[0044] 1. The protective cover 5 arranged on the outside of the blade 2 can shield the blade 2 without affecting the pruning of branches by the blade 2, thereby achieving the effect of preventing hands from being cut and improving the safety of the staff when using the blade 2;

[0045] 2. The base 1 is connected to the bottom plate 17 via a lifting mechanism 10. During use, the height of the base 1 and the blade 2 can be adjusted according to the height of the required pruning branches to meet the use requirements.

[0046] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An electric pruning device for fruit trees that prevents hands from being cut, comprising a base (1), a blade (2) and a sliding bar (3), wherein the blades (2) are arranged on both sides of the upper side of the base (1), the blades (2) are arranged in a staggered manner, and the front and rear blades (2) are arranged to cooperate with each other, and the lower sides of the blades (2) are fixed with sliding bars (3), and the sliding bars (3) are slidably arranged in a sliding groove on the upper side wall of the base (1), and a battery (4) is embedded on the upper side of the base (1); the characteristics are: It also contains: Protective covers (5), wherein the number of the protective covers (5) is two, and the protective covers (5) are respectively sleeved on the outer side of the blade (2), the adjacent side walls of the two protective covers (5) are arranged to abut against each other, and connecting springs (6) are fixed on the inner wall of the protective cover (5) at equal distances from top to bottom, and the other end of the connecting spring (6) is embedded and fixed in one side wall of the blade (2); A driving bar (7), wherein the driving bars (7) are two and are respectively fixed on the lower side wall of the sliding bar (3); a driving gear (8) is arranged between the two driving bars (7); the driving gear (8) is located in the base (1), and the driving gear (8) is respectively meshed with the tooth grooves on the driving bars (7) on both sides; A drive motor (9), wherein the drive motor (9) is embedded in and fixed in the base (1), the drive motor (9) is connected to the storage battery (4), and the output shaft of the drive motor (9) is fixedly connected to the drive gear (8); A lifting mechanism (10) is arranged inside a base (1). After the lower side of the lifting mechanism (10) passes through the lower side wall of the base (1), a bottom plate (17) is fixed thereto. A gripping rod (11) is fixed on the lower surface of the bottom plate (17). The gripping rod (11) is arranged in a "U" shape. A control switch group (12) is fixed on one side of the outer ring wall of the crossbar of the gripping rod (11). The control switch group (12) is connected to a drive motor (9) and the lifting mechanism (10).

2. The electric pruning device for fruit trees that prevents hand cutting according to claim 1, characterized in that: A support plate (13) is fixed symmetrically on the top wall of the base (1) in a front-to-back manner. The support plate (13) is located outside the protective cover (5). One side of the outer wall of the protective cover (5) is slidably arranged in a slide groove on the inner wall of the corresponding support plate (13) via a slider.

3. The electric pruning device for fruit trees that prevents hand cutting according to claim 1 is characterized by: The lifting mechanism (10) comprises: Telescopic connecting rods (10-1), wherein there are two telescopic connecting rods (10-1) which are symmetrically arranged in the base (1) in a front-to-rear manner, and the upper and lower ends of one side of the telescopic connecting rod (10-1) are respectively fixed to the inner top wall of the base (1) and one side of the upper surface of the bottom plate (17) through hinge seats; Sliding blocks (10-2), the number of the sliding blocks (10-2) being four, and the two sliding blocks (10-2) being symmetrically connected to the upper and lower ends of the other side of the telescopic connecting rod (10-1) by hinged left rotation, the sliding blocks (10-2) on the two telescopic connecting rods (10-1) being staggered left and right, and the sliding blocks (10-2) being slidably arranged in the sliding grooves on the inner top wall of the base (1) and the upper surface of the bottom plate (17); There are two lifting screw rods (10-3), which are screwed and embedded in the front and rear sides of the bottom plate (17) through bearings. The lifting screw rods (10-3) are screwed into the sliding blocks (10-2) in the bottom plate (17) through threads. The threads of the two lifting screw rods (10-3) are arranged in opposite directions, and the two lifting screw rods (10-3) are connected through a synchronous wheel transmission assembly. A lifting motor (10-4), wherein the lifting motor (10-4) is embedded in one side of the bottom plate (17), the lifting motor (10-4) is connected to the battery (4), the lifting motor (10-4) is connected to the control switch group (12), and the output shaft of the lifting motor (10-4) is connected to one end of one of the lifting screw rods (10-3).

4. The electric pruning device for fruit trees that prevents hand cutting according to claim 1, characterized in that: A guide rod (14) is fixed symmetrically to the center of the upper surface of the bottom plate (17), and the guide rod (14) is movably inserted in the base (1).

5. The electric pruning device for fruit trees that prevents hand cutting according to claim 1, characterized in that: A cover plate (15) is embedded on one side wall of the base (1), and the cover plate (15) is connected to the base (1) by bolts. The cover plate (15) abuts against one side wall of the battery (4), and a push spring (16) abuts against the other side wall of the battery (4). The other end of the push spring (16) is fixed to the inner wall of one side of the base (1).

Images