CN107646384B - Slider-crank type forestry trimming head - Google Patents
Slider-crank type forestry trimming head Download PDFInfo
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- CN107646384B CN107646384B CN201711044282.5A CN201711044282A CN107646384B CN 107646384 B CN107646384 B CN 107646384B CN 201711044282 A CN201711044282 A CN 201711044282A CN 107646384 B CN107646384 B CN 107646384B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
Abstract
The invention relates to a crank sliding block type forestry trimming head. The invention mainly solves the technical problems of poor shearing effect and high manufacturing cost of the existing shearing head. The technical scheme of the invention is as follows: a crank slider type forestry pruning head comprises a fixed shearing blade, a movable shearing blade, a tool apron, a spline shaft, a motor, a transparent cover, a roller bearing, a sliding plate, a turntable blocking cover, a bearing slider, a copper plate, a guide sliding plate, a cushion block, a plug, a connecting seat, a blocking cover and a pin; the fixed cutting edge and the guide sliding plate are fixed on a cutting edge support plate of the tool holder, the movable cutting edge is arranged between the fixed cutting edge and the cutting edge support plate, the copper plate is fixed on the upper edge and the lower edge of the cutting edge support plate, the sliding plate is fixed in the middle of a non-cutting surface of the movable cutting edge, the bearing of the bearing sliding block is arranged in a guide sliding groove of the sliding plate, the roller bearing is arranged at the front end of the spline shaft, the spline shaft and the roller bearing are arranged in a power bin of the tool holder, the spline end of the spline shaft is arranged in a shaft hole of the motor, and the motor is fixed on a rear support plate of the tool holder.
Description
Technical Field
The invention relates to a crank sliding block type forestry pruning head, which belongs to the technical field of forestry machinery for pruning tree branches and stumping shrubs.
Background
At present, two main types of forestry pruning heads for pruning tree branches and stumping shrubs are mainly used, one type is a rotary disk saw type, and the other type is a reciprocating double-blade shearing type. The efficiency of the rotary disc saw blade type pruning head for pruning thick brush branches is low; when the cutter is used for stumping shrubs, the cut is easy to break down for a long period, and the germination rate of shrubs after stumping is affected. The reciprocating double-blade shearing type pruning head has two structures at present, one is a crank connecting rod type driven by a hydraulic motor or a motor, and the other is an oil cylinder reciprocating type. The crank connecting rod type pruning head driven by the hydraulic motor or the motor is not easy to bear too much force due to the slender rod structure of the connecting rod, and can only cut the brush branches or shrubs below 10mm at present; the oil cylinder reciprocating type shearing head needs to be commutated through a mechanically controlled reversing valve, and the reversing valve is high in load and easy to damage due to high reciprocating frequency.
Disclosure of Invention
The invention aims to solve the technical problems of poor shearing effect and high manufacturing cost of the traditional shearing head and provides a crank slider type forestry pruning head which is economical and applicable, can shear thicker brush branches and shrubs with diameters of more than 100mm and has good shearing effect.
In order to solve the technical problems, the invention adopts the following technical scheme:
a crank slider type forestry pruning head comprises a fixed shearing blade, a movable shearing blade, a tool apron, a spline shaft, a motor, a transparent cover, a roller bearing, a sliding plate, a turntable blocking cover, a bearing slider, a copper plate, a guide sliding plate, a cushion block, a plug, a connecting seat, a blocking cover and a pin; the utility model provides a fixed shear blade and guide slide pass through the bolt fastening on the shear blade extension board of blade holder and the guide slide is located between fixed shear blade and the shear blade extension board, move the shear blade dress and prevent dropping in fixed shear blade and shear blade extension board and make the guide slide be located the sliding tray that moves the shear blade lower part and set up, the copper is with the fix with screw in the concave depression that the edge set up about the shear blade extension board and be located the side adjacent with moving shear blade non-shear face, the cushion dress is in the middle part of shear blade extension board left and right sides edge, the slide passes through the bolt fastening at the middle part of moving shear blade non-shear face, the bearing of bearing slider dress is in the guide chute of slide, the bearing slider supporting axle is fixed in the shaft hole that the carousel set up and is fixed with the pin, be equipped with the spiral shell jam above the pin and prevent dropping, the roller bearing dress is fixed through spline shaft connection seat and round nut in the front end of spline shaft, spline shaft and roller bearing dress are in the power storehouse and make one side of roller bearing outer lane pass through the circular bead in the power storehouse and be located, the other side of roller outer lane pass through the through flat, the lid compresses tightly, the tip of spline shaft wears out the middle part of power storehouse one side and sets up in the flat hole that the motor and the end is fixed with the tip of the handle in the spindle through the spindle, the tip is in the hub, the tip is fixed with the tip is in the tip of the spindle through the hub, the tip is connected with the tip of the motor.
Further, the blade holder comprises two shear blade extension boards, two vertical extension boards, a power bin, a rear extension board, an inner rib board, reinforcing ribs, a blade holder bottom board, a lower rib board, a shaft and an upper tooth connector, wherein the two vertical extension boards are respectively arranged at the left edge and the right edge of the blade holder bottom board to form a U-shaped cavity, one side of the inner surface of the shear blade extension board is connected with the upper part of the front end of the vertical extension board, a right-angle surface of the reinforcing ribs is connected with the inner surface of the shear blade extension board, the other right-angle surface of the reinforcing ribs is connected with the outer surface of the upper part of the vertical extension board, the left edge, the right edge and the lower edge of the rear extension board are respectively connected with the rear end faces of the two vertical extension boards and the blade holder bottom board, the power bin is arranged in the U-shaped cavity, the rear end of the power bin is connected with round holes arranged on the rear extension board, one side of the inner rib board is connected with the inner surface of the vertical extension board, one end of the shaft is connected with the bottom surface of the blade holder bottom board, the upper tooth connector is connected with the upper tooth connector, the upper end of the upper tooth connector is connected with the lower tooth connector, and the lower tooth connector is connected with the lower end of the blade connector.
Further, the connecting seat is composed of a lower tooth connector, a rib plate and a bottom plate, the lower end of the lower tooth connector is arranged on the upper surface of the bottom plate, a right-angle surface of the rib plate is connected with the outer surface of the lower tooth connector, and the other right-angle surface of the rib plate is connected with the upper surface of the bottom plate.
The bearing sliding block consists of a bearing and a supporting shaft, and the bearing is arranged at one end of the supporting shaft.
By adopting the technical scheme, the invention solves the technical problems of poor shearing effect and high manufacturing cost of the existing shearing head. Therefore, compared with the background technology, the invention has the advantages of economy, applicability, capability of shearing thicker branches and shrubs with diameters of more than 100mm, good shearing effect and the like.
Drawings
FIG. 1 is a central cross-sectional view of the present invention along a spline shaft;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view and partial cross-sectional view of FIG. 2;
FIG. 4 is a cross-sectional view of B-B in FIG. 1;
fig. 5 is a cross-sectional view of a-a in fig. 2.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
As shown in fig. 1 to 5, a slider-crank type forestry pruning head in this embodiment includes a fixed cutting edge 1, a movable cutting edge 2, a tool holder 3, a spline shaft 4, a motor 5, a transparent cover 6, a roller bearing 7, a slide plate 8, a turntable 9, a turntable blocking cover 10, a bearing slider 11, a copper plate 12, a guide slide plate 13, a cushion block 15, a screw plug 16, a connecting seat 17, a blocking cover 18 and a pin 19; the fixed cutting edge 1 and the guide slide plate 13 are fixed on the cutting edge support plate 3-1 of the cutter holder 3 through bolts, the guide slide plate 13 is positioned between the fixed cutting edge 1 and the cutting edge support plate 3-1, the movable cutting edge 2 is arranged between the fixed cutting edge 1 and the cutting edge support plate 3-1, the guide slide plate 13 is positioned in a sliding groove arranged at the lower part of the movable cutting edge 2, the guide slide plate 13 starts the cutting edge 2 to operate and guide and control the action of a gap between the movable cutting edge 2 and the fixed cutting edge 1, a copper plate 12 is fixed in a concave groove arranged at the upper edge and the lower edge of the cutting edge support plate 3-1 through bolts and positioned at one side adjacent to a non-cutting surface of the movable cutting edge 2, a cushion block 15 is arranged in the middle part of the left edge and the right edge of the cutting edge support plate 3-1, the slide plate 8 is fixed at the middle part of the non-cutting surface of the movable cutting edge 2 through bolts, a bearing of the bearing slide block 11 is arranged in a guide chute of the slide plate 8, the bearing slide block 11 supports the shaft and is fixed in the shaft hole arranged on the rotary disk 9 by a pin 19, a screw plug 16 is arranged on the pin 19 to block the pin 19 from falling, the roller bearing 7 is arranged at the front end of the spline shaft 4, the inner ring of the roller bearing 7 is fixed by a shoulder of the spline shaft 4 and a round nut, the spline shaft 4 and the roller bearing 7 are arranged in a power bin 3-3 of the tool apron 3, one side of the outer ring of the roller bearing 7 is positioned by the shoulder in the power bin 3-3, the other side of the outer ring of the roller bearing 7 is tightly pressed by a through cover 6, the end part of the spline shaft 4 penetrates out of the shaft hole arranged on one side of the power bin 3-3, a flat hole in the rotary disk 9 is connected with a flat head at the end part of the spline shaft 4, the rotary disk blocking cover 10 tightly presses the rotary disk 9 on the spline shaft 4 by a bolt, the spline end of the spline shaft 4 is arranged in the shaft hole of the motor 5, the motor 5 is fixedly arranged on the rear supporting plate 3-4 of the tool apron 3 by a bolt, the shaft 3-9 provided on the tool holder 3 is fitted into the lower toothed coupler 17-1 of the connecting seat 17 and contacts the upper toothed coupler 3-10 of the tool holder 3 with the lower toothed coupler 17-1, and the blocking cover 18 is fitted into the shaft hole provided on the bottom plate 17-3 by bolts to fix the tool holder 3 and the connecting seat 17 together. In fig. 3, 14 is a cover, the cover 14 being mounted on the holder 3 and being located below the middle of the fixed cutting edge 1.
The tool apron 3 is composed of two shear blade support plates 3-1, two vertical support plates 3-2, a power bin 3-3, a rear support plate 3-4, an inner rib plate 3-5, a reinforcing rib 3-6, a tool apron bottom plate 3-7, a lower rib plate 3-8, a shaft 3-9 and an upper tooth joint 3-10, wherein the two vertical support plates 3-2 are respectively arranged at the left edge and the right edge of the tool apron bottom plate 3-7 to form a U-shaped cavity, one side of the inner surface of the shear blade support plate 3-1 is connected with the upper part of the front end of the vertical support plate 3-2, a right-angle surface of the reinforcing rib 3-6 is connected with the inner surface of the shear blade support plate 3-1, the other right-angle surface of the reinforcing rib 3-6 is connected with the outer surface of the upper part of the vertical support plate 3-2, the left and right sides and the lower side of the rear support plate 3-4 are respectively connected with the rear end surfaces of the two vertical support plates 3-2 and the tool apron bottom plate 3-7, the power bin 3-3 is arranged in the U-shaped cavity, the rear end of the power bin 3-3 is connected with a round hole arranged on the rear support plate 3-4, one side of the inner rib plate 3-5 is connected with the inner side surface of the vertical support plate 3-2, the other side of the inner rib plate 3-5 is connected with the outer surface of the power bin 3-3, the rear end of the inner rib plate 3-5 is connected with the inner surface of the rear support plate 3-4, one end of the shaft 3-9 is connected with the bottom surface of the tool apron bottom plate 3-7, the upper toothed joint 3-10 is sleeved on the upper part of the shaft 3-9, the upper end of the upper toothed joint is connected with the bottom surface of the tool apron bottom plate 3-7, the right-angle surface of the lower rib plate 3-8 is connected with the outer surface of the upper toothed joint 3-10, the other right-angle surface of the lower rib plate 3-8 is connected with the bottom surface of the tool apron bottom plate 3-7.
The connecting seat 17 is composed of a lower toothed handle 17-1, a rib plate 17-2 and a bottom plate 17-3, the lower end of the lower toothed handle 17-1 is arranged on the upper surface of the bottom plate 17-3, a right-angle surface of the rib plate 17-2 is connected with the outer surface of the lower toothed handle 17-1, and the other right-angle surface of the rib plate 17-2 is connected with the upper surface of the bottom plate 17-3.
The bearing slider 11 is composed of a bearing and a support shaft, and the bearing is mounted at one end of the support shaft.
The working method of the invention comprises the following steps:
during operation, the motor 5 rotates to drive the spline shaft 4 to rotate, the spline shaft 4 rotates to drive the turntable 9 to rotate, the turntable 9 rotates to drive the bearing slide block 11 to rotate, the bearing slide block 11 moves up and down in the slide plate 8 while rotating in the slide plate 8 to drive the slide plate 8 to horizontally move, and the slide plate 8 drives the movable shearing blade 2 to horizontally move to shear the thick branches and shrubs together with the fixed shearing blade 1. The movable cutting edge 2 is restrained in the up-down position by the guide slide plate 13, and is restrained in the front-back position by the fixed cutting edge 1 and the copper plate 12 so as to be movable only in the horizontal direction.
Claims (4)
1. Slider-crank formula forestry pruning head, its characterized in that: the novel cutting edge structure comprises a fixed cutting edge (1), a movable cutting edge (2), a cutter holder (3), a spline shaft (4), a motor (5), a transparent cover (6), a roller bearing (7), a sliding plate (8), a rotary table (9), a rotary table blocking cover (10), a bearing sliding block (11), a copper plate (12), a guide sliding plate (13), a cushion block (15), a plug (16), a connecting seat (17), a blocking cover (18) and a pin (19); the fixed shear blade (1) and the guide slide plate (13) are fixed on the shear blade support plate (3-1) of the tool holder (3) through bolts, the guide slide plate (13) is positioned between the fixed shear blade (1) and the shear blade support plate (3-1), the movable shear blade (2) is arranged between the fixed shear blade (1) and the shear blade support plate (3-1) and enables the guide slide plate (13) to be positioned in a sliding groove arranged at the lower part of the movable shear blade (2), the copper plate (12) is fixed in a concave hole arranged at the upper edge and the lower edge of the shear blade support plate (3-1) through bolts and positioned at one side adjacent to the non-shear surface of the movable shear blade (2), the cushion block (15) is arranged at the middle part of the left edge and the right edge of the shear blade support plate (3-1), the slide plate (8) is fixed at the middle part of the non-shear surface of the movable shear blade (2) through bolts, the bearing of the bearing slide block (11) is arranged in the guide chute of the slide plate (8), the bearing slide block (11) is fixed in a shaft hole arranged in the rotary table (9) and is positioned in a shaft hole (19) arranged at the lower edge, the bearing hole (19) is positioned at the lower edge of the lower edge, the bearing block (19) is provided with a pin (19) and a pin (19) is arranged at the end of the bearing block end of the bearing (4) and the pin (4) is blocked by a spline, the pin (4) and the pin is arranged at the end of the pin (4, the spline shaft (4) and the roller bearing (7) are arranged in a power bin (3-3) of the tool apron (3), one side of an outer ring of the roller bearing (7) is positioned through a shoulder in the power bin (3-3), the other side of the outer ring of the roller bearing (7) is tightly pressed through a through cover (6), the end part of the spline shaft (4) penetrates out of a shaft hole arranged on one side of the power bin (3-3), a flat hole in the turntable (9) is connected with a flat head at the end part of the spline shaft (4), the turntable blocking cover (10) tightly presses the turntable (9) on the spline shaft (4) through a bolt, the spline end of the spline shaft (4) is arranged in a shaft hole of a motor (5), the motor (5) is fixed on a rear support plate (3-4) of the tool apron (3) through a bolt, the shaft (3-9) arranged in a lower tooth connecting hand (17-1) of the tool apron (3) and an upper tooth connecting hand (3-10) of the tool apron (3) is contacted with the lower tooth connecting hand (17-1), and the blocking cover (18) is arranged in the shaft hole of the tool apron (3-3) through the bolt (17).
2. A slider-crank type forestry trimming head as claimed in claim 1, wherein: the tool apron (3) is composed of two shear edge support plates (3-1), two vertical support plates (3-2), a power bin (3-3), a rear support plate (3-4), an inner rib plate (3-5), a reinforcing rib (3-6), a tool apron bottom plate (3-7), a lower rib plate (3-8), a shaft (3-9) and an upper tooth joint hand (3-10), the two vertical support plates (3-2) are respectively arranged at the left edge and the right edge of the tool apron bottom plate (3-7) to form a U-shaped cavity, one side of the inner surface of the shear edge support plate (3-1) is connected with the upper part of the front end of the vertical support plate (3-2), a right-angle surface of the reinforcing rib (3-6) is connected with the inner surface of the vertical support plate (3-1), the other right-angle surface of the reinforcing rib (3-6) is connected with the outer surface of the upper part of the vertical support plate (3-2), the left edge and the lower edge of the rear support plate (3-4) are respectively arranged with the two vertical support plates (3-2) and the inner side of the power bin (3-2), the power bin (3-2) is arranged in the rear end of the power bin (3-2), the other side of the inner rib plate (3-5) is connected with the outer surface of the power bin (3-3), the rear end of the inner rib plate (3-5) is connected with the inner surface of the rear support plate (3-4), one end of the shaft (3-9) is connected with the bottom surface of the tool apron bottom plate (3-7), the upper tooth joint hand (3-10) is sleeved on the upper part of the shaft (3-9) and the upper end of the upper tooth joint hand is connected with the bottom surface of the tool apron bottom plate (3-7), a right-angle surface of the lower rib plate (3-8) is connected with the outer surface of the upper tooth joint hand (3-10), and the other right-angle surface of the lower rib plate (3-8) is connected with the bottom surface of the tool apron bottom plate (3-7).
3. A slider-crank type forestry trimming head as claimed in claim 1, wherein: the connecting seat (17) is composed of a lower toothed joint (17-1), a rib plate (17-2) and a bottom plate (17-3), the lower end of the lower toothed joint (17-1) is arranged on the upper surface of the bottom plate (17-3), a right-angle surface of the rib plate (17-2) is connected with the outer surface of the lower toothed joint (17-1), and the other right-angle surface of the rib plate (17-2) is connected with the upper surface of the bottom plate (17-3).
4. A slider-crank type forestry trimming head as claimed in claim 1, wherein: the bearing sliding block (11) is composed of a bearing and a supporting shaft, and the bearing is arranged at one end of the supporting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044282.5A CN107646384B (en) | 2017-10-31 | 2017-10-31 | Slider-crank type forestry trimming head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044282.5A CN107646384B (en) | 2017-10-31 | 2017-10-31 | Slider-crank type forestry trimming head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107646384A CN107646384A (en) | 2018-02-02 |
| CN107646384B true CN107646384B (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711044282.5A Active CN107646384B (en) | 2017-10-31 | 2017-10-31 | Slider-crank type forestry trimming head |
Country Status (1)
| Country | Link |
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| CN (1) | CN107646384B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101926266A (en) * | 2010-08-11 | 2010-12-29 | 崔群奎 | Pruning vehicle for roadside ornamental shrubs |
| CN204180596U (en) * | 2014-09-15 | 2015-03-04 | 国家林业局北京林业机械研究所 | A kind of shearing pruning, stump head unit |
| CN104981313A (en) * | 2013-01-18 | 2015-10-14 | 首要金属科技有限责任公司 | Method and apparatus for operating shear |
| CN207491596U (en) * | 2017-10-31 | 2018-06-15 | 山西创奇实业有限公司 | Head is trimmed in crank block type forestry |
-
2017
- 2017-10-31 CN CN201711044282.5A patent/CN107646384B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101926266A (en) * | 2010-08-11 | 2010-12-29 | 崔群奎 | Pruning vehicle for roadside ornamental shrubs |
| CN104981313A (en) * | 2013-01-18 | 2015-10-14 | 首要金属科技有限责任公司 | Method and apparatus for operating shear |
| CN204180596U (en) * | 2014-09-15 | 2015-03-04 | 国家林业局北京林业机械研究所 | A kind of shearing pruning, stump head unit |
| CN207491596U (en) * | 2017-10-31 | 2018-06-15 | 山西创奇实业有限公司 | Head is trimmed in crank block type forestry |
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| Publication number | Publication date |
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| CN107646384A (en) | 2018-02-02 |
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