CN108156950B - Comb teeth litchi picking device driven by rotation of inner shaft cam - Google Patents
Comb teeth litchi picking device driven by rotation of inner shaft cam Download PDFInfo
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- CN108156950B CN108156950B CN201810132753.6A CN201810132753A CN108156950B CN 108156950 B CN108156950 B CN 108156950B CN 201810132753 A CN201810132753 A CN 201810132753A CN 108156950 B CN108156950 B CN 108156950B
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- collecting barrel
- straight rod
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- cutter
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
- A01D46/24—Devices for picking apples or like fruit
- A01D46/247—Manually operated fruit-picking tools
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Abstract
The invention discloses a comb teeth litchi picking device driven by an inner shaft cam in a rotating way, which comprises a picking device main body, a collecting barrel device, a hand wheel device, a rotary cutter and a fixed cutter, wherein the rotary cutter and the fixed cutter are positioned at the same end part of the picking device main body; the collecting barrel device is in sliding connection with the picking device main body, the hand wheel device comprises a hand wheel connecting piece and a self-locking hand wheel, the end part of the hand wheel connecting piece is connected with the center of the self-locking hand wheel, the other end of the hand wheel connecting piece is fixedly connected with the picking device main body, the self-locking hand wheel is connected with the collecting barrel device through a connecting wire, and the self-locking hand wheel drives the collecting barrel device to move along the axis of the picking device main body in the rotating process. The comb teeth litchi picking device with the rotation transmission of the inner shaft cam provided by the invention adopts the cylindrical cam which is internally provided with the similar screw rod, so that the space utilization rate is improved in the aspect of transmission, and the portable requirement is met. Meanwhile, the cutter part adopts a comb tooth shape, so that stress concentration factors are reduced in shearing, and the stress of the cutter edge is small.
Description
Technical Field
The invention belongs to the technical field of fruit picking, and particularly relates to a comb tooth litchi picking device driven by rotation of an inner shaft cam.
Background
Litchi is subtropical fruit, the main production place of litchi in China is in the south, and the yield and quality of litchi are the first in the world. The litchi orchard is generally planted by dwarfing litchi, the height of a tree crown is three to five meters, litchi fruits grow on the outer surface of the tree crown, a plurality of fruits are focused together to be distributed in clusters, and the fruit peel is thicker. To ensure the freshness of litchi quality, single fruits are not picked, but picked along with branches. At present, the litchi picking is mainly performed manually, and because the ripening period is concentrated and the preservation period is short, the labor intensity of picking is high, and the litchi picking becomes an important factor for restricting the development of the litchi industry. The existing picking devices mainly comprise the following three types: a long rod shearing type picking device, a shearing type picking device and a manipulator picking device. The long rod shearing picking device mainly makes the cutter head generate shearing force through extrusion, so that litchi falls into the net bag. However, only one cutter head is used, so that the picking times of fruit farmers are increased, and the picking efficiency is reduced; the scissor-clamping type picking device is mainly characterized in that the picking part is controlled by the handle at the hand-held position, the length of the rod can be adjusted by the telescopic button, and the disadvantage that the litchi is still placed at the clamping position after being picked is that the litchi is not provided with the collecting part, and the litchi is required to be manually placed into the collecting device for many times, so that the collecting efficiency is reduced. Neither device can ensure continuity of picking operations. The mechanical arm picking device mainly picks litchi through the controllable robot, the picking cost is very high, and common fruit farmers cannot bear the litchi. At present, the continuous reduction of the number of agricultural practitioners and the increasing trend of ageing are more serious, and the improvement of the picking and collecting efficiency of litchis and the reduction of the labor intensity and the labor cost are particularly important.
Disclosure of Invention
The invention aims to solve the problems and provide the comb tooth litchi picking device which is simple in structure, convenient to use and carry and easy to operate and is driven by the rotation of the inner shaft cam.
In order to solve the technical problems, the technical scheme of the invention is as follows: the inner shaft cam rotation transmission comb teeth litchi picker comprises a picker main body, a collecting barrel device, a hand wheel device, a rotary cutter and a fixed cutter, wherein the rotary cutter and the fixed cutter are positioned at the same end part of the picker main body; the collecting barrel device is in sliding connection with the picking device main body, the hand wheel device comprises a hand wheel connecting piece and a self-locking hand wheel, the end part of the hand wheel connecting piece is connected with the center of the self-locking hand wheel, the other end of the hand wheel connecting piece is fixedly connected with the picking device main body, the self-locking hand wheel is connected with the collecting barrel device through a connecting wire, and the self-locking hand wheel drives the collecting barrel device to move along the axis of the picking device main body in the rotating process.
Preferably, the picking device main body comprises a hollow outer straight rod, an inner straight rod and a cylindrical cam are arranged in the hollow outer straight rod, the end part of the hollow outer straight rod is fixedly connected with the fixed cutter, and the end part of the inner straight rod is fixedly connected with the rotary cutter; the hollow outer straight rod is provided with a convex rib and a hollow outer straight rod chute, and the convex rib and the hollow outer straight rod penetrate through the collecting barrel device; the inner straight rod is fixedly connected with a cylindrical cam, and a cylindrical cam groove is formed in the surface of the cylindrical cam; the outer surface of the hollow outer straight rod is sleeved with a sliding sleeve, a sliding sleeve protrusion is arranged in the sliding sleeve, the sliding sleeve protrusion penetrates through the hollow outer straight rod sliding groove and is connected with the cylindrical cam groove, the sliding sleeve drives the cylindrical cam to rotate in the reciprocating motion process along the axis direction of the hollow outer straight rod, and the cylindrical cam drives the inner straight rod to rotate in the rotation process of the cylindrical cam.
Preferably, the end part of the hollow outer straight rod is also provided with a driving wheel, and a connecting wire on the self-locking hand wheel is fixedly connected with the collecting barrel device through the driving wheel.
Preferably, a rotating bearing is arranged in the hollow outer straight rod, and the rotating bearing is sleeved on the inner straight rod.
Preferably, the collecting barrel device comprises a collecting barrel main body, a collecting barrel first connecting piece, a collecting barrel second connecting piece, a collecting barrel first connecting rod and a collecting barrel second connecting rod, wherein the collecting barrel first connecting piece and the collecting barrel second connecting piece are sleeved on the hollow outer straight rod; the collecting vessel body is fixedly connected with the collecting vessel first connecting piece, the collecting vessel first connecting piece is connected with the collecting vessel second connecting piece through the collecting vessel first connecting rod, and the collecting vessel body is connected with the collecting vessel second connecting piece through the collecting vessel second connecting rod.
Preferably, the first collecting barrel connecting piece comprises a first collecting barrel connecting block and a second collecting barrel connecting block, the first collecting barrel connecting block is fixedly connected with the second collecting barrel connecting block, and the first collecting barrel connecting block and the second collecting barrel connecting block are identical in structure; the first connecting block of the collecting barrel is of a rectangular square structure with a through hole in the center, a sliding block groove is further formed in the first connecting block of the collecting barrel, and the sliding block groove is connected with the convex rib.
Preferably, the fixed cutter comprises a cutter body and a cutter fixing ring, wherein the cutter body is fixedly connected with the cutter fixing ring, the cutter fixing ring is sleeved on the hollow outer straight rod, the cutter body is perpendicular to the axis of the hollow outer straight rod, and a blade is arranged on the cutter body and is used for cutting off the stem part of the litchi.
Preferably, the number of blades is five.
Preferably, the rotary cutter has an arc-shaped structure.
The beneficial effects of the invention are as follows:
1. the comb teeth litchi picking device with the rotation transmission of the inner shaft cam provided by the invention has the advantages that the cylindrical cam with the similar lead screw is arranged inside, so that the space occupation rate is reduced in the aspect of transmission, and the portable requirement is met.
2. In the reciprocating and efficient rotating process of the cylindrical cam, the branches of the litchi are dispersed through the fixed cutter, and the rotary cutter is more labor-saving and efficient in litchi cutting.
Drawings
FIG. 1 is a schematic diagram of a comb teeth litchi picking device driven by rotation of an inner shaft cam;
FIG. 2 is a schematic view of the structure of the picker body of the present invention;
FIG. 3 is a schematic structural view of a sliding sleeve according to the present invention;
FIG. 4 is a cross-sectional view of FIG. 3 taken in the direction A-A in accordance with the present invention;
FIG. 5 is a schematic illustration of the connection of the inner straight rod to the cylindrical cam of the present invention;
FIG. 6 is a schematic view of the construction of a cylindrical cam of the present invention;
FIG. 7 is a schematic view of the structure of the collecting tank device of the present invention;
FIG. 8 is a schematic illustration of the construction of a handwheel device of the present invention;
FIG. 9 is a schematic view of the structure of the stationary cutter of the present invention;
FIG. 10 is a schematic view of the structure of the rotary cutter of the present invention;
FIG. 11 is a schematic diagram of the connection structure of the transmission wheel and the transmission wheel fixing sleeve.
Reference numerals illustrate: 1. a picker body; 2. a collecting barrel device; 3. a hand wheel device; 4. rotating the cutter; 5. fixing the cutter; 10. a transmission bearing; 11. a hollow outer straight rod; 12. an inner straight rod; 13. a cylindrical cam; 14. convex ribs; 15. a hollow outer straight rod chute; 16. a cylindrical cam groove; 17. a sliding sleeve; 18. a sliding sleeve bulge; 19. a driving wheel; 20. a collecting barrel body; 21. a first collecting vessel connector; 22. a collecting vessel second connector; 23. a collecting barrel first connecting rod; 24. a collecting barrel second connecting rod; 25. a first connection block of the collecting barrel; 26. the collecting barrel is connected with the second connecting block; 27. a slider groove; 31. a hand wheel connecting piece; 32. self-locking hand wheels; 33. a transmission bearing; 34. a drive pin; 35. a driving wheel fixing sleeve; 51. a cutter body; 52. a cutter fixing ring; 53. a blade.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific examples:
as shown in fig. 1 to 11, the invention provides a comb-teeth litchi picker with rotation transmission of an inner shaft cam, which comprises a picker main body 1, a collecting barrel device 2, a hand wheel device 3, a rotary cutter 4 and a fixed cutter 5, wherein the rotary cutter 4 and the fixed cutter 5 are positioned at the same end part of the picker main body 1; the collecting barrel device 2 is in sliding connection with the picking device main body 1, the hand wheel device 3 comprises a hand wheel connecting piece 31 and a self-locking hand wheel 32, the end part of the hand wheel connecting piece 31 is connected with the center of the self-locking hand wheel 32, the other end of the hand wheel connecting piece 31 is fixedly connected with the picking device main body 1, the self-locking hand wheel 32 is connected with the collecting barrel device 2 through a connecting wire, and the self-locking hand wheel 32 drives the collecting barrel device 2 to move along the axis of the picking device main body 1 in the rotating process.
The picking device main body 1 comprises a hollow outer straight rod 11, an inner straight rod 12 and a cylindrical cam 13 are arranged inside the hollow outer straight rod 11, the end part of the hollow outer straight rod 11 is fixedly connected with the fixed cutter 5, and the end part of the inner straight rod 12 is fixedly connected with the rotary cutter 4. In this embodiment, the position of the fixed cutter 5 is located between the rotary cutter 4 and the collecting barrel device 2, and the rotary cutter 4 cuts off the litchi located on the fixed cutter 5 during rotation, and the litchi enters the collecting barrel device 2 under the action of gravity.
The hollow outer straight rod 11 is provided with a convex rib 14 and a hollow outer straight rod chute 15, and the convex rib 14 and the hollow outer straight rod 11 penetrate through the collecting barrel device 2; the inner straight rod 12 is fixedly connected with the cylindrical cam 13, and a cylindrical cam groove 16 is formed in the surface of the cylindrical cam 13; the outer surface of the hollow outer straight rod 11 is sleeved with a sliding sleeve 17, sliding sleeve protrusions 18 are arranged in the sliding sleeve 17, and the number of the sliding sleeve protrusions 18 is two and symmetrically arranged in the sliding sleeve 17. The sliding sleeve bulge 18 passes through the hollow outer straight rod chute 15 and is connected with the cylindrical cam groove 16, the sliding sleeve 17 drives the cylindrical cam 13 to rotate in the process of reciprocating along the axis direction of the hollow outer straight rod 11, and the cylindrical cam 13 drives the inner straight rod 12 to rotate in the process of rotating.
In this embodiment, the number of the cylindrical cam grooves 16 is two, the cylindrical cam grooves 16 have an "S" shape, the width of the cylindrical cam grooves 16 is larger than the width of the sliding sleeve protrusion 18 inside the sliding sleeve 17, and the sliding sleeve protrusion 18 is embedded in the cylindrical cam grooves 16. During the movement of the sliding sleeve 17 along the axial direction of the hollow outer straight rod 11, the sliding sleeve protrusion 18 slides inside the cylindrical cam groove 16, and simultaneously pushes the cylindrical cam 13 to rotate.
The end of the hollow outer straight rod 11 is also provided with a driving wheel 19, and a connecting line on the self-locking hand wheel 32 is fixedly connected with the collecting barrel device 2 through the driving wheel 19. The inside of the hollow outer straight rod 11 is provided with a rotary bearing 10, and the rotary bearing 10 is sleeved on the inner straight rod 12. The rotation process of the inner straight rod 12 in the rotating bearing 10 is more flexible and convenient, the number of the rotating bearings 10 is two in the embodiment, the rotating bearings 10 are distributed at two ends of the inner portion of the hollow outer straight rod 11, the rotating bearings 10 are respectively connected with the inner straight rod 12 and the cylindrical cam 13 in a key manner, the rotating bearings 10 can well play a role in guiding the rotation of the inner straight rod 12, and meanwhile the inner straight rod 12 is prevented from being damaged due to large shaking in the rotation process of the inner hollow outer straight rod 11.
The driving wheel 19 is fixedly connected with the hollow outer straight rod 11 through a driving wheel fixing sleeve 35, four stop screw holes are arranged on the circular ring part of the driving fixing sleeve 35, and stop screws penetrate through the stop screw holes to rigidly and fixedly connect the driving fixing sleeve 35 and the hollow outer straight rod 11 together. The bracket part of the driving wheel fixing sleeve 35 is also provided with a driving pin hole, a driving pin 34 is arranged in the driving pin hole, and the driving pin 34 is fixedly connected with the driving wheel fixing sleeve 35 through a thread anti-disengaging pin.
The transmission bearing 33 is sleeved on the transmission pin 34, the inner ring surface of the transmission bearing 33 is connected with the transmission pin 34 through a key, the transmission wheel 19 is sleeved on the outer surface of the transmission bearing 33, the transmission wheel 19 is connected with the outer surface of the transmission bearing 33 through a screw, the outer surface of the transmission wheel 19 is of a concave structure, and the connecting line cannot slip on the outer surface of the transmission wheel 19.
The collecting barrel device 2 comprises a collecting barrel main body 20, a collecting barrel first connecting piece 21, a collecting barrel second connecting piece 22, a collecting barrel first connecting rod 23 and a collecting barrel second connecting rod 24, wherein the collecting barrel first connecting piece 21 and the collecting barrel second connecting piece 22 are sleeved on the hollow outer straight rod 11; the collecting vessel body 20 is fixedly connected with the collecting vessel first connecting piece 21, the collecting vessel first connecting piece 21 is connected with the collecting vessel second connecting piece 22 through the collecting vessel first connecting rod 23, and the collecting vessel body 20 is connected with the collecting vessel second connecting piece 22 through the collecting vessel second connecting rod 24.
The first collecting barrel connecting piece 21 comprises a first collecting barrel connecting block 25 and a second collecting barrel connecting block 26, the first collecting barrel connecting block 25 is fixedly connected with the second collecting barrel connecting block 26, and the first collecting barrel connecting block 25, the second collecting barrel connecting block 26 and the second collecting barrel connecting piece 22 are identical in structure; the first connecting block 25 of the collecting barrel is of a rectangular square structure with a through hole in the center, a sliding block groove 27 is further formed in the first connecting block 25 of the collecting barrel, and the sliding block groove 27 is connected with the convex rib 14.
The fixed cutter 5 comprises a cutter main body 51 and a cutter fixing ring 52, the cutter main body 51 is fixedly connected with the cutter fixing ring 52, the cutter fixing ring 52 is sleeved on the hollow outer straight rod 11, three stop screw holes which are uniformly distributed are formed in the cutter fixing ring 52, and the cutter fixing ring 52 is fixedly connected with the hollow outer straight rod 11 through stop screws penetrating through the stop screw holes. The cutter main body 51 is perpendicular to the axis of the hollow outer straight rod 11, the cutter main body 51 is provided with blades 53, the number of the blades 53 is five, and the blades 53 are used for cutting off the stem part of the litchi.
The rotary cutter 4 is of an arc-shaped structure, three stop screw holes which are uniformly distributed are formed in the end portion of the rotary cutter 4, the end portion of the rotary cutter 4 is sleeved on the inner straight rod 12 and is fixed through the stop screw holes by passing through the stop screw holes, and the rotary cutter 4 can rotate along with the inner straight rod 4 in the same period.
The end of the hand wheel connection 31 is connected to the centre of the self-locking hand wheel 32, in this embodiment the end of the hand wheel connection 31 is connected to the centre of the self-locking hand wheel 32 by a pin, the self-locking hand wheel 32 being free to rotate about the pin connected to its centre. The hand wheel connecting piece 31 is sleeved on the lower portion of the hollow outer straight rod 11, three stop screw holes are formed in the portion, connected with the hollow outer straight rod 11, of the hand wheel connecting piece 31, the hand wheel connecting piece 31 is fixedly connected with the hollow outer straight rod 11 through stop screws, and the stop screws penetrate through the stop screw holes. The end of the hand wheel connecting piece 31 is also provided with a hydraulic piece with a buffering function, the hydraulic piece is existing mature equipment, and the buffering function is achieved in the rotation process of the self-locking hand wheel 32.
Those of ordinary skill in the art will recognize that the embodiments described herein are for the purpose of aiding the reader in understanding the principles of the present invention and should be understood that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (6)
1. The utility model provides a ware is picked to interior axle cam rotation transmission's broach litchi which characterized in that: the harvester comprises a picker body (1), a collecting barrel device (2), a hand wheel device (3), a rotary cutter (4) and a fixed cutter (5), wherein the rotary cutter (4) and the fixed cutter (5) are positioned at the same end part of the picker body (1); the collecting barrel device (2) is in sliding connection with the picking device main body (1), the hand wheel device (3) comprises a hand wheel connecting piece (31) and a self-locking hand wheel (32), the end part of the hand wheel connecting piece (31) is connected with the center of the self-locking hand wheel (32), the other end of the hand wheel connecting piece (31) is fixedly connected with the picking device main body (1), the self-locking hand wheel (32) is connected with the collecting barrel device (2) through a connecting wire, and the self-locking hand wheel (32) drives the collecting barrel device (2) to move along the axis of the picking device main body (1) in the rotating process;
the picking device comprises a picking device main body (1) and a rotary cutter (4), wherein the picking device main body (1) comprises a hollow outer straight rod (11), an inner straight rod (12) and a cylindrical cam (13) are arranged inside the hollow outer straight rod (11), the end part of the hollow outer straight rod (11) is fixedly connected with the fixed cutter (5), and the end part of the inner straight rod (12) is fixedly connected with the rotary cutter (4); the hollow outer straight rod (11) is provided with a convex rib (14) and a hollow outer straight rod chute (15), and the convex rib (14) and the hollow outer straight rod (11) are arranged in the collecting barrel device (2) in a penetrating way; the inner straight rod (12) is fixedly connected with the cylindrical cam (13), and a cylindrical cam groove (16) is formed in the surface of the cylindrical cam (13); a sliding sleeve (17) is sleeved on the outer surface of the hollow outer straight rod (11), a sliding sleeve protrusion (18) is arranged in the sliding sleeve (17), the sliding sleeve protrusion (18) penetrates through the hollow outer straight rod sliding groove (15) and is connected with the cylindrical cam groove (16), the sliding sleeve (17) drives the cylindrical cam (13) to rotate in the reciprocating motion process along the axis direction of the hollow outer straight rod (11), and the cylindrical cam (13) drives the inner straight rod (12) to rotate in the self rotation process;
the fixed cutter (5) comprises a cutter main body (51) and a cutter fixing ring (52), wherein the cutter main body (51) is fixedly connected with the cutter fixing ring (52), the cutter fixing ring (52) is sleeved on the hollow outer straight rod (11), the cutter main body (51) is perpendicular to the axis of the hollow outer straight rod (11), a blade (53) is arranged on the cutter main body (51), and the blade (53) is used for cutting off a stem part of litchi;
the number of blades (53) is five.
2. The inner shaft cam rotary drive comb litchi picking device as claimed in claim 1, wherein: the end part of the hollow outer straight rod (11) is also provided with a driving wheel (19), and a connecting line on the self-locking hand wheel (32) is fixedly connected with the collecting barrel device (2) through the driving wheel (19).
3. The inner shaft cam rotary drive comb litchi picking device as claimed in claim 1, wherein: the hollow outer straight rod (11) is internally provided with a rotary bearing (10), and the rotary bearing (10) is sleeved on the inner straight rod (12).
4. The inner shaft cam rotary drive comb litchi picking device as claimed in claim 1, wherein: the collecting barrel device (2) comprises a collecting barrel main body (20), a collecting barrel first connecting piece (21), a collecting barrel second connecting piece (22), a collecting barrel first connecting rod (23) and a collecting barrel second connecting rod (24), wherein the collecting barrel first connecting piece (21) and the collecting barrel second connecting piece (22) are sleeved on the hollow outer straight rod (11); the collecting barrel main body (20) is fixedly connected with the collecting barrel first connecting piece (21), the collecting barrel first connecting piece (21) is connected with the collecting barrel second connecting piece (22) through the collecting barrel first connecting rod (23), and the collecting barrel main body (20) is connected with the collecting barrel second connecting piece (22) through the collecting barrel second connecting rod (24).
5. The inner shaft cam rotary drive comb litchi picking machine as claimed in claim 4, wherein: the collecting barrel first connecting piece (21) comprises a collecting barrel first connecting block (25) and a collecting barrel second connecting block (26), the collecting barrel first connecting block (25) is fixedly connected with the collecting barrel second connecting block (26), and the collecting barrel first connecting block (25) and the collecting barrel second connecting piece (26) are identical in structure; the first connecting block (25) of the collecting barrel is of a rectangular square structure with a through hole in the center, a sliding block groove (27) is further formed in the first connecting block (25) of the collecting barrel, and the sliding block groove (27) is connected with the convex rib (14).
6. The inner shaft cam rotary drive comb litchi picking device as claimed in claim 1, wherein: the rotary cutter (4) is of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132753.6A CN108156950B (en) | 2018-02-09 | 2018-02-09 | Comb teeth litchi picking device driven by rotation of inner shaft cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132753.6A CN108156950B (en) | 2018-02-09 | 2018-02-09 | Comb teeth litchi picking device driven by rotation of inner shaft cam |
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| Publication Number | Publication Date |
|---|---|
| CN108156950A CN108156950A (en) | 2018-06-15 |
| CN108156950B true CN108156950B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810132753.6A Active CN108156950B (en) | 2018-02-09 | 2018-02-09 | Comb teeth litchi picking device driven by rotation of inner shaft cam |
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| Country | Link |
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| CN (1) | CN108156950B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575294A (en) * | 2018-07-06 | 2018-09-28 | 西南交通大学 | A kind of bionical device for picking of folder torsion formula cherry |
| CN109463121A (en) * | 2018-11-15 | 2019-03-15 | 中国人民解放军陆军工程大学 | Rake holds together formula lichee device for picking |
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| JP5995061B2 (en) * | 2012-05-18 | 2016-09-21 | 株式会社大成モナック | Telescopic work machine |
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