CN110771377B - A electronic pruning ware of hand-held type for forestry effect - Google Patents

A electronic pruning ware of hand-held type for forestry effect Download PDF

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Publication number
CN110771377B
CN110771377B CN201911160672.8A CN201911160672A CN110771377B CN 110771377 B CN110771377 B CN 110771377B CN 201911160672 A CN201911160672 A CN 201911160672A CN 110771377 B CN110771377 B CN 110771377B
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China
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rod
telescopic rod
gear
rotating
hand
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CN110771377A (en
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王秀君
齐松伟
俎鹏飞
任寒英
蓝继华
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Chang Chenjia
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Chang Chenjia
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/08Other tools for pruning, branching or delimbing standing trees

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Scissors And Nippers (AREA)

Abstract

The invention discloses a hand-held electric pruning device for forestry, which comprises a lower telescopic rod, a control switch, an upper telescopic rod, a telescopic rod joint, a limiting chute, an arc-shaped shield, a cutting blade, a transmission mechanism, a handle, a lithium battery and a charging interface, the hand-held electric pruning device for forestry is characterized in that a transmission structure is arranged on the inner side of a lower rod of a telescopic rod, an upper rod of the telescopic rod slides up and down on the outer surface of the lower rod of the telescopic rod, the driven frame can rotate at any position of the upper surface of the driven frame through the matching between the gear column of the transmission mechanism and the driven frame, thereby realizing that the cutting blade at any position of the upper rod of the telescopic rod on the lower rod of the telescopic rod can rotate, solving the problems of complex structure and larger mass of the prior electric pruner, the labor force is increased to use the artificial hand while the production cost is improved, and the problem of labor waste is caused.

Description

A electronic pruning ware of hand-held type for forestry effect
Technical Field
The invention relates to the related field of forestry pruning, in particular to a handheld electric pruning device for forestry action.
Background
Forestry refers to a production department that protects the ecological environment, keeps ecological balance, cultivates and protects forests to obtain woods and other forest products, and utilizes the natural characteristics of the forests to play a protective role, and is one of the important components of national economy; the forestry is cultivated, protected and utilized in human and biological circles through advanced scientific technology and management means, so that various benefits of the forest are fully exerted, the forest resources can be continuously managed, and fundamental industry and social public utilities of population, economy, society, environment and resource coordinated development are promoted.
In forestry greening, in order to enable various trees to grow according to the planning of workers, the workers need to prune branches of the trees, and the electric pruner is used for operation when higher branches are pruned; the existing electric pruner has a complex structure and large quality, increases manual physical force and causes labor waste while improving the production cost.
Disclosure of Invention
Accordingly, to address the above-described deficiencies, the present invention provides herein a hand-held, electrically powered pruner for forestry purposes.
The invention is realized in such a way that a hand-held electric pruning device for forestry effect is constructed, the device comprises a lower telescopic rod, a control switch, an upper telescopic rod, a telescopic rod joint, a limiting chute, an arc-shaped shield, a cutting blade, a transmission mechanism, a handle, a lithium battery and a charging interface, wherein the control switch is embedded on the left side of the bottom of the lower telescopic rod, the right side end of the lower telescopic rod is fastened with the upper telescopic rod through the telescopic rod joint, the limiting chute is arranged in the middle of the front part of the upper telescopic rod, the arc-shaped shield is fastened on the right side of the upper telescopic rod, the cutting blade is arranged on the left side in the arc-shaped shield, the right side of the handle and the lower telescopic rod are in an integrated structure, the lithium battery is embedded in the inner side of the handle, the charging interface is arranged on the top of the left side of the lithium battery, the transmission mechanism is fastened on the inner side of the lower telescopic rod, and the transmission mechanism is composed of a support sleeve, The micro motor, the transmission seat, the gear column, the lower support rod, the upper support rod and the driven frame, the support sleeve is fastened at the inner side of the lower rod of the telescopic rod, a transmission seat is fastened on the left wall in the support sleeve, the bottom of the micro motor is fixed with the support sleeve, the left output end of the micro motor is inserted into the inner side of the transmission seat to be matched with the transmission seat in a rotating way, the right output end of the transmission seat rotates coaxially with the gear column, the bottom of the left side of the gear column is matched with the lower support rod in a rotating way, the bottom of the lower support rod is fastened with the support sleeve, the right end of the gear column is in running fit with the upper support rod, the bottom of the upper support rod is fastened with the support sleeve, the top side of the gear column is in running fit with the driven frame, and the driven frame is in sliding fit with the support sleeve on the right side inside the support sleeve, the right side of the driven frame is fastened with the inner wall of the upper rod of the telescopic rod, and the driven frame penetrates through the right side of the upper rod of the telescopic rod and is in transmission fit with the cutting blade.
Preferably, the transmission seat comprises the cover body, driving gear, driven gear and axis of rotation, cover body bottom side and support cover inner wall are fixed, cover internal portion right side and driving gear normal running fit to driving gear middle part is fixed with the micro motor output, driving gear left side and driven gear mesh mutually to driven gear bottom is connected with the cover body rotation, driven gear middle part grafting is fixed with the axis of rotation, the axis of rotation runs through in the cover body and rather than normal running fit.
Preferably, the driven frame comprises a sleeve seat, a bearing block, a rotating rod, a pinion and a driving structure, the outer surface of the sleeve seat is in transverse sliding fit with the support sleeve, the bearing block is welded at the upper left corner of the inner wall of the sleeve seat, the bottom of the right side of the bearing block is in running fit with the rotating rod, the pinion is fixed on the left side of the rotating rod in a penetrating mode, the bottom of the pinion is meshed with a gear column, the right side of the rotating rod is coaxially rotated with the driving structure, and the top side of the driving structure is in running fit with the sleeve seat.
Preferably, the driving structure comprises a bearing rod, a first bevel gear, a second bevel gear and a rotating shaft rod, wherein the left side of the bearing rod is welded with the rotating rod, the first bevel gear penetrates through and is fixed on the left side of the bearing rod, the top of the right side of the first bevel gear is meshed with the second bevel gear, the top side of the second bevel gear is in running fit with the sleeve seat, the middle side of the bottom of the second bevel gear is welded with a rotating shaft rod, and the rotating shaft rod penetrates through the sleeve seat and is in running fit with the cutting blade.
Preferably, the inner diameter of the upper rod of the telescopic rod is larger than that of the lower rod of the telescopic rod, and the lower rod of the telescopic rod is in sliding fit with the inner side of the upper rod of the telescopic rod.
Preferably, a balancing weight is embedded at the bottom side of the lower rod of the telescopic rod.
Preferably, a limiting block is arranged on the top side of the inner wall of the support sleeve, and the distance between the bottommost part of the limiting block and the top of the gear column is 1 cm.
Preferably, the middle side of the bottom of the sleeve seat is provided with a rectangular groove, and the inner side of the rectangular groove is in transverse sliding fit with the upper support rod.
Preferably, the angle between the first bevel gear and the second bevel gear is 90 degrees.
Preferably, the right side of the sleeve seat penetrates through the upper rod of the telescopic rod, and the surface of the sleeve seat is fixed with the inner wall of the upper rod of the telescopic rod.
Preferably, the material used for the rotating shaft rod is tungsten steel.
Preferably, the arc-shaped shield is made of plastic.
The invention has the following advantages: the invention provides a hand-held electric pruner for forestry action by improvement, compared with the same type of equipment, the improvement is as follows:
the method has the advantages that: according to the handheld electric pruner for forestry, the transmission structure is arranged on the inner side of the lower rod of the telescopic rod, the upper rod of the telescopic rod slides up and down on the outer surface of the lower rod of the telescopic rod, and the driven frame can rotate at any position on the upper surface of the driven frame through the matching between the gear column of the transmission mechanism and the driven frame, so that a cutting blade at any position of the upper rod of the telescopic rod on the lower rod of the telescopic rod can rotate, and the problems that the existing electric pruner is complex in structure, high in quality, and capable of increasing manual physical strength and causing labor waste are solved.
The method has the advantages that: according to the handheld electric pruning device for forestry, the rotating shaft is enabled to rotate on the cover body through the matching of the driving gear and the driven gear, so that the gear column is driven to rotate; the rotating rod is driven to rotate through the matching of the pinion and the gear column, so that the rotating rod drives the driving structure to rotate; the first bevel gear and the second bevel gear of the driving structure are matched to rotate, and the ninety-degree steering rotation of the rotating shaft rod and the bearing rod is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the bottom of the grip of the present invention;
FIG. 3 is a schematic view of the inside of the lower rod of the telescopic rod of the present invention;
FIG. 4 is a schematic structural view of the transmission mechanism of the present invention;
FIG. 5 is a schematic view of the connection structure of the micro-motor and the transmission seat;
FIG. 6 is a schematic view of the interior of the transmission housing of the present invention;
FIG. 7 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 8 is a schematic view of the present invention gear column to pinion connection;
FIG. 9 is a schematic structural view of a driven frame of the present invention;
fig. 10 is an enlarged view of a portion of the invention at B in fig. 9.
Wherein: a lower rod-1 of a telescopic rod, a control switch-2, an upper rod-3 of the telescopic rod, a joint-4 of the telescopic rod, a limit chute-5, an arc-shaped shield-6, a cutting blade-7, a transmission mechanism-8, a handle-9, a lithium battery-10, a charging interface-11, a support sleeve-80, a micro motor-81, a transmission seat-82, a gear column-83, a lower rod-84, an upper rod-85, a driven frame-86, a balancing weight-110, a cover-821, a driving gear-822, a driven gear-823, a rotating shaft-824, a sleeve seat-861, a bearing block-862, a rotating rod-863, a pinion-864, a driving structure-865, a bearing rod-8651, a first bevel gear-8652, a second bevel gear-8653, An axle shaft-8654.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 10, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a hand-held electric pruning device for forestry action through improvement, which comprises a lower telescopic rod 1, a control switch 2, an upper telescopic rod 3, a telescopic rod joint 4, a limit chute 5, an arc-shaped shield 6, a cutting blade 7, a transmission mechanism 8, a handle 9, a lithium battery 10 and a charging interface 11, wherein the control switch 2 is embedded at the left side of the bottom of the lower telescopic rod 1, the right end part of the lower telescopic rod 1 is fastened with the upper telescopic rod 3 through the telescopic rod joint 4, the limit chute 5 is arranged at the middle side of the front part of the upper telescopic rod 3, the arc-shaped shield 6 is fastened at the right side of the upper telescopic rod 3, the cutting blade 7 is arranged at the left side in the arc-shaped shield 6, the right side of the handle 9 and the lower telescopic rod 1 are in an integrated structure, the lithium battery 10 is embedded at the inner side of the handle 9, the charging interface 11 is arranged at the top of the left side of the lithium battery 10, the transmission mechanism 8 is fastened at the inner side of the lower telescopic rod 1, the transmission mechanism 8 is composed of a support sleeve 80, a micro motor 81, a transmission seat 82, a gear post 83, a lower support rod 84, an upper support rod 85 and a driven frame 86, the support sleeve 80 is fastened at the inner side of the lower rod 1 of the telescopic rod, the transmission seat 82 is fastened at the left wall inside the support sleeve 80, the bottom of the micro motor 81 is fixed with the support sleeve 80, the left output end of the micro motor 81 is inserted into the inner side of the transmission seat 82 to be matched with the transmission seat in a rotating way, the right output end of the transmission seat 82 rotates coaxially with the gear post 83, the left bottom of the gear post 83 is matched with the lower support rod 84 in a rotating way, the bottom of the lower support rod 84 is fastened with the support sleeve 80, the right end of the gear post 83 is matched with the upper support rod 85 in a rotating way, the bottom of the upper support rod 85 is fastened with the support sleeve 80, the top side of the gear post 83 is matched with the driven frame 86 in a rotating way, the driven frame 86 is matched with the right side inside the support sleeve 80 in a transverse sliding way, the right side of the driven frame 86 is fastened with the inner wall of the upper rod 3 of the telescopic rod, and driven frame 86 runs through telescopic link upper boom 3 right side and cutting blade 7 transmission cooperation, and telescopic link upper boom 3 slides from top to bottom at telescopic link lower beam 1 surface, and the cooperation between gear post 83 through drive mechanism 8 and driven frame 86 makes driven frame 86 all can rotate at its upper surface optional position, realizes the transmission of different heights.
Further, the transmission seat 82 is composed of a cover 821, a driving gear 822, a driven gear 823 and a rotating shaft 824, the bottom side of the cover 821 is fixed to the inner wall of the support sleeve 80, the right side of the inside of the cover 821 is in rotating fit with the driving gear 822, the middle of the driving gear 822 is fixed to the output end of the micro motor 81, the left side of the driving gear 822 is meshed with the driven gear 823, the bottom of the driven gear 823 is in rotating connection with the cover 821, the rotating shaft 824 is fixedly inserted into the middle of the driven gear 823, and the rotating shaft 824 penetrates through the cover 821 and is in rotating fit with the cover 821.
Further, the driven frame 86 is composed of a sleeve seat 861, a bearing block 862, a rotating rod 863, a pinion 864 and a driving structure 865, the outer surface of the sleeve seat 861 is in transverse sliding fit with the support sleeve 80, the bearing block 862 is welded at the upper left corner of the inner wall of the sleeve seat 861, the bottom of the right side of the bearing block 862 is in rotating fit with the rotating rod 863, the pinion 864 is fixed on the left side of the rotating rod 863 in a penetrating manner, the bottom of the pinion 864 is meshed with the gear column 83, the right side of the rotating rod 863 is coaxially rotated with the driving structure 865, the top side of the driving structure 865 is in rotating fit with the sleeve seat 861, the rotating rod 863 is driven to rotate by the cooperation of the pinion 864 and the gear column 83, and therefore the rotating rod 863 drives the driving structure 865 to rotate.
Further, the driving structure 865 is composed of a bearing rod 8651, a first bevel gear 8652, a second bevel gear 8653 and a rotation shaft rod 8654, the left side of the bearing rod 8651 is welded to the rotation rod 863, the first bevel gear 8652 is fixed on the left side of the bearing rod 8651 in a penetrating manner, the top of the right side of the first bevel gear 8652 is meshed with the second bevel gear 8653, the top side of the second bevel gear 8653 is in rotating fit with the sleeve seat 861, the rotation shaft rod 8654 is welded on the middle side of the bottom of the second bevel gear 8653, the rotation shaft rod 8654 is in rotating fit with the cutting blade 7 in a penetrating manner of the sleeve seat 861, the first bevel gear 8652 and the second bevel gear 8653 of the driving structure 865 are in rotating fit, and ninety-degree rotation of the rotation shaft rod 8654 and the bearing rod 8651 is achieved.
Further, the inner diameter of the upper telescopic rod 3 is larger than that of the lower telescopic rod 1, the lower telescopic rod 1 is in sliding fit with the upper telescopic rod 3 on the inner side, and the position relation between the driven frame 86 and the support sleeve 81 is changed by adjusting the positions of the upper telescopic rod 3 and the lower telescopic rod 1, so that the height position is adjusted and changed.
Furthermore, the balancing weight 110 is embedded at the bottom side in the telescopic rod lower rod 1, so that the phenomenon of heavy head and light feet is avoided, and the equipment is inconvenient to use.
Furthermore, a limiting block is arranged on the top side of the inner wall of the support sleeve 80, the distance between the bottommost part of the limiting block and the top of the gear column 83 is 1cm, the moving position of the sleeve seat 861 is limited, and the influence of the overlarge moving range on the use is avoided.
Further, the cover seat 861 bottom mid side is opened and is equipped with the rectangular channel to the rectangular channel inboard and the horizontal sliding fit of last branch 85, carry on spacingly through last branch 85 to cover seat 861, prevent that it from appearing shifting, cause the equipment malfunctioning.
Further, the angle between the first bevel gear 8652 and the second bevel gear 8653 is 90 degrees, and the transmission is turned by the first bevel gear 8652 and the second bevel gear 8653.
Furthermore, the right side of the sleeve seat 861 penetrates through the upper rod 3 of the telescopic rod, the surface of the sleeve seat 861 is fixed with the inner wall of the upper rod 3 of the telescopic rod, and the position of the sleeve seat 861 is changed by utilizing the upper rod 3 of the telescopic rod.
Further, the material of the rotating shaft lever 8654 is tungsten steel.
Further, the arc-shaped shield 6 is made of plastic.
The invention provides a hand-held electric pruner for forestry action by improvement, and the working principle is as follows;
firstly, a lithium battery is charged through a charging interface 11, and the device is used after the lithium battery 10 is fully charged;
secondly, when the high part of the branch needs to be pruned, the telescopic rod joint 4 is unscrewed firstly, the position of the telescopic rod upper rod 3 at the top of the telescopic rod lower rod 1 is adjusted according to the required height, the telescopic rod upper rod 3 drives the driven frame 86 to move in the support sleeve 80, so that the position of the pinion 864 on the gear post 83 is changed, and then the telescopic rod joint 4 is screwed to fix the telescopic rod upper rod 3 and the telescopic rod lower rod 1;
thirdly, the micro motor 81 is powered on by pressing the start button of the control switch 2, the micro motor 81 drives the driving gear 822 to rotate after being powered on, the driving gear 822 drives the rotating shaft 824 to drive the gear post 83 to rotate on the lower support rod 84 and the upper support rod 85 through the matching between the driving gear 822 and the transmission gear 823 after rotating, the gear post 83 drives the pinion 864 to rotate, the pinion 864 drives the first bevel gear 8652 to rotate through the rotating rod 863 and the bearing rod 8651, the second bevel gear 8653 drives the cutting blade 7 to rotate through the rotating shaft 8654 through the steering transmission function of the first bevel gear 8652 and the second bevel gear 8653, and therefore branches at high positions are further trimmed;
fourthly, when the height of the pruning is required to be adjusted, only the telescopic rod joint 4 needs to be unscrewed, and the telescopic rod joint 4 is locked after the position of the upper rod 3 of the telescopic rod on the lower rod 1 of the telescopic rod is adjusted.
The invention provides a hand-held electric pruner for forestry action through improvement, a transmission structure 8 is arranged at the inner side of a lower rod 1 of a telescopic rod, an upper rod 3 of the telescopic rod slides up and down on the outer surface of the lower rod 1 of the telescopic rod, and a driven frame 86 can rotate at any position of the upper surface of the driven frame through the matching between a gear column 83 of the transmission mechanism 8 and the driven frame 86, so that a cutting blade at any position of the upper rod of the telescopic rod on the lower rod of the telescopic rod can rotate, and the problems of complicated structure, high quality and labor waste caused by increased manual labor force use while the production cost is improved are solved; the rotating shaft 824 rotates on the cover 821 by the matching of the driving gear 822 and the driven gear 823, so that the gear column 83 is driven to rotate; the pinion 864 is matched with the gear column 83 to drive the rotating rod 863 to rotate, so that the rotating rod 863 drives the driving structure 865 to rotate; the first bevel gear 8652 and the second bevel gear 8653 of the driving structure 865 are cooperatively rotated to achieve ninety-degree rotation of the rotation shaft 8654 and the bearing rod 8651.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A hand-held electric pruning device for forestry comprises a lower telescopic rod (1), a control switch (2), an upper telescopic rod (3), a telescopic rod joint (4), a limiting sliding groove (5), an arc-shaped shield (6), a cutting blade (7), a handle (9), a lithium battery (10) and a charging interface (11), wherein the control switch (2) is embedded at the left side of the bottom of the lower telescopic rod (1), the right end of the lower telescopic rod (1) is fastened with the upper telescopic rod (3) through the telescopic rod joint (4), the limiting sliding groove (5) is arranged at the middle side of the front part of the upper telescopic rod (3), the arc-shaped shield (6) is fastened at the right side of the upper telescopic rod (3), the cutting blade (7) is arranged at the left side inside the arc-shaped shield (6), and the right side of the handle (9) and the lower telescopic rod (1) are of an integrated structure, a lithium battery (10) is embedded in the inner side of the handle (9), and a charging interface (11) is formed in the top of the left side of the lithium battery (10);
the method is characterized in that: the telescopic rod is characterized by further comprising a transmission mechanism (8), the transmission mechanism (8) is fastened on the inner side of the lower rod (1) of the telescopic rod, the transmission mechanism (8) is composed of a support sleeve (80), a micro motor (81), a transmission seat (82), a gear column (83), a lower support rod (84), an upper support rod (85) and a driven frame (86), the support sleeve (80) is fastened on the inner side of the lower rod (1) of the telescopic rod, the transmission seat (82) is fastened on the left wall inside the support sleeve (80), the bottom of the micro motor (81) is fixed with the support sleeve (80), the left output end of the micro motor (81) is inserted into the inner side of the transmission seat (82) and is in rotating fit with the transmission seat, the right output end of the transmission seat (82) rotates coaxially with the gear column (83), the left bottom of the gear column (83) is in rotating fit with the lower support rod (84), and the bottom of the lower support rod (84) is fastened with the support sleeve (80), the right side end of the gear column (83) is in running fit with the upper supporting rod (85), the bottom of the upper supporting rod (85) is fastened with the support sleeve (80), the top side of the gear column (83) is in running fit with the driven frame (86), the driven frame (86) is in sliding fit with the support sleeve (80) in the transverse direction on the right side, the right side of the driven frame (86) is fastened with the inner wall of the upper rod (3) of the telescopic rod, and the driven frame (86) penetrates through the right side of the upper rod (3) of the telescopic rod to be in transmission fit with the cutting blade (7).
2. A hand-held electric pruner for forestry purposes, according to claim 1, characterized in that: the transmission seat (82) comprises a cover body (821), a driving gear (822), a driven gear (823) and a rotating shaft (824), the bottom side of the cover body (821) is fixed to the inner wall of the support sleeve (80), the right side inside the cover body (821) is in rotating fit with the driving gear (822), the middle of the driving gear (822) is fixed to the output end of the micro motor (81), the left side of the driving gear (822) is meshed with the driven gear (823), the bottom of the driven gear (823) is in rotating connection with the cover body (821), the middle of the driven gear (823) is fixedly connected with the rotating shaft (824) in an inserting mode, and the rotating shaft (824) penetrates through the cover body (821) and is in rotating fit with the cover body.
3. A hand-held electric pruner for forestry purposes, according to claim 1, characterized in that: the driven frame (86) comprises a sleeve seat (861), a bearing block (862), a rotating rod (863), a pinion (864) and a driving structure (865), wherein the outer surface of the sleeve seat (861) is in transverse sliding fit with a support sleeve (80), the bearing block (862) is welded at the upper left corner of the inner wall of the sleeve seat (861), the bottom of the right side of the bearing block (862) is in rotating fit with the rotating rod (863), the pinion (864) is fixed on the left side of the rotating rod (863) in a penetrating manner, the bottom of the pinion (864) is meshed with a gear column (83), the right side of the rotating rod (863) rotates coaxially with the driving structure (865), and the top side of the driving structure (865) is in rotating fit with the sleeve seat (861).
4. A hand-held electric pruner for forestry purposes according to claim 3, characterized in that: the driving structure (865) is composed of a bearing rod (8651), a first bevel gear (8652), a second bevel gear (8653) and a rotating shaft rod (8654), the left side of the bearing rod (8651) is welded with the rotating rod (863), the first bevel gear (8652) is fixed on the left side of the bearing rod (8651) in a penetrating mode, the top of the right side of the first bevel gear (8652) is meshed with the second bevel gear (8653), the top side of the second bevel gear (8653) is in rotating fit with a sleeve seat (861), the rotating shaft rod (8654) is welded on the middle side of the bottom of the second bevel gear (8653), and the rotating shaft rod (8654) penetrates through the sleeve seat (861) to be in rotating fit with the cutting blade (7).
5. A hand-held electric pruner for forestry purposes, according to claim 1, characterized in that: the inner diameter of the upper telescopic rod (3) is larger than that of the lower telescopic rod (1), and the lower telescopic rod (1) is in sliding fit with the upper telescopic rod (3) at the inner side.
6. A hand-held electric pruner for forestry purposes, according to claim 1, characterized in that: the bottom side of the interior of the lower rod (1) of the telescopic rod is embedded with a balancing weight (110).
7. A hand-held electric pruner for forestry purposes, according to claim 1, characterized in that: the top side of the inner wall of the support sleeve (80) is provided with a limiting block, and the distance between the bottommost part of the limiting block and the top of the gear column (83) is 1 cm.
8. A hand-held electric pruner for forestry purposes according to claim 3, characterized in that: a rectangular groove is formed in the middle side of the bottom of the sleeve seat (861), and the inner side of the rectangular groove is in transverse sliding fit with the upper support rod (85).
9. A hand-held electric pruner for forestry purposes according to claim 4, characterized in that: the angle between the first bevel gear (8652) and the second bevel gear (8653) is 90 degrees.
10. A hand-held electric pruner for forestry purposes according to claim 3, characterized in that: the right side of the sleeve seat (861) penetrates through the telescopic rod upper rod (3), and the surface of the sleeve seat (861) is fixed with the inner wall of the telescopic rod upper rod (3).
CN201911160672.8A 2019-11-23 2019-11-23 A electronic pruning ware of hand-held type for forestry effect Active CN110771377B (en)

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CN110771377B true CN110771377B (en) 2021-10-15

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