CN113303086B - Bionic optimization tea picking machine based on slightly concave curved surface - Google Patents
Bionic optimization tea picking machine based on slightly concave curved surface Download PDFInfo
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- CN113303086B CN113303086B CN202110701502.7A CN202110701502A CN113303086B CN 113303086 B CN113303086 B CN 113303086B CN 202110701502 A CN202110701502 A CN 202110701502A CN 113303086 B CN113303086 B CN 113303086B
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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
- A01D46/04—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs of tea
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Abstract
The invention relates to a bionic optimization tea leaf picking machine based on a slightly concave curved surface, which comprises a rack, wherein a rolling picking mechanism is arranged on the rack and comprises a motor, a rolling body and an elliptic cylindrical rod; the rolling body comprises two rolling discs which are arranged in parallel, and a plurality of elliptic cylindrical rods are connected between the two rolling discs; the rack is also provided with a bionic micro-concave curved surface bottom plate, the bionic micro-concave curved surface bottom plate is positioned below the rolling body, and the bionic micro-concave curved surface bottom plate forms an arc concave surface; the frame is also provided with a delivery clamping rod; the motor drives the rolling disc to rotate and drives the elliptic cylindrical rod to rotate, and simultaneously drives the delivery clamping rod to swing so that tea leaves enter the rack, and the tea leaves entering the rack are extruded by the elliptic cylindrical rod and the slightly concave curved bottom plate under constant force. The invention adopts a bionic structure, determines circular fitting by referring to a hand structure, designs that the slightly concave curved bottom plate and the elliptic cylinder arc surface are kept in constant force fracture, and greatly keeps the integrity of the tea.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery manufacturing, relates to the technical field of tea-leaf picker manufacturing, and particularly relates to a bionic optimization tea-leaf picker based on a slightly concave curved surface.
Background
Tea picking is an important link of tea production, at present, manual tea picking occupies more than half of tea production cost, manual tea picking is a type of operation with large labor amount and centralized labor time, and has a plurality of defects. Therefore, it is a great trend to use the tea plucking machine to pluck the tea leaves. Because tea areas in China are mostly in hills and steep slope zones, the topography is changeable and complex, the ridge heights of tea leaves planted in a plurality of tea gardens are uneven, and how to enable the picked tea leaves to be in good shapes under the condition of high-efficiency picking of a tea picker is a difficulty in designing and manufacturing the tea picker at present.
The existing tea plucking machine is usually based on the shearing principle of tea stems, seriously damages tender shoots, seriously influences the quality of tea leaves, and is only suitable for batch plucking of low-quality tea leaves. The traditional manual tea picking method is mainly an extraction method, and the tea picking process is characterized by the actions of pinching and extracting, so that tender shoots can not be damaged in the picking process, but the picking efficiency is low and the picking speed is slow. However, tea leaves are strong in property during picking, and particularly tea tender shoots with high quality need to be picked in time. As mentioned above, the manual picking efficiency is low, and the current tea plucking machine cannot pick high-quality bud tea.
Therefore, in order to solve the above problems, there is a need for improvement and innovation of the existing tea plucking machine.
Disclosure of Invention
The bionic optimization tea picking machine and the method have the advantages that the cost is saved, the operation is portable, and the tea leaves can be better protected from being damaged.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a bionic optimization tea picking machine based on a slightly concave curved surface comprises a rack, wherein a rolling picking mechanism is arranged on the rack and comprises a motor, a rolling body and an elliptical cylindrical rod; the rolling body comprises two rolling discs which are arranged in parallel, and a plurality of elliptic cylindrical rods are connected between the two rolling discs; the rack is also provided with a bionic slightly concave curved surface bottom plate, the bionic slightly concave curved surface bottom plate is positioned below the rolling bodies, and the bionic slightly concave curved surface bottom plate forms an arc-shaped concave surface; the frame is also provided with a delivery clamping rod; the motor drives the rolling disc to rotate and drives the elliptic cylindrical rod to rotate, and simultaneously drives the delivery clamping rod to swing so that tea leaves enter the rack, and the tea leaves entering the rack are extruded by the elliptic cylindrical rod and the slightly concave curved bottom plate under constant force.
Preferably, the frame includes left board, medium plate, right board, and left board, medium plate and the vertical parallel of right board just keep the interval arrangement, the perpendicular connecting profile between left board and the medium plate, the perpendicular pillar of connecting between medium plate and the right board.
Preferably, the section bar is connected with the left plate and the middle plate by bolts; the column is connected with the middle plate and the right plate through bolts.
Preferably, a hairbrush is arranged on the section bar, and the hairbrush cleans the rotating elliptic cylindrical rod.
Preferably, the motor is arranged on the right plate, a coupler is arranged on an output shaft of the motor and is positioned between the middle plate and the right plate, and the coupler is connected with the sleeve coupler; the output shaft of the motor is in interference fit with the inner ring of the bearing, and the outer ring of the bearing is in interference fit with the middle plate.
Preferably, the rolling disc is positioned on the output shaft, the rolling disc is connected with a flange, and the flange is fixed on the output shaft of the motor.
Preferably, springs with the number corresponding to that of the elliptic cylindrical rods are distributed on the rolling disc, the springs are arranged on the rolling disc through position short rods, one ends of the position short rods are positioned on the rolling disc through vertical plates, and the ends of the position short rods are connected with square-piece nuts in a screwing mode; one end of the spring is abutted against the square-piece nut, the other end of the spring is abutted against one end of the elliptic cylindrical rod, and the other end of the spring is abutted against the end of the elliptic cylindrical rod.
Preferably, the left plate and the middle plate form two corresponding arc-shaped sliding grooves, the two sliding grooves on the same plate are arranged in a staggered mode, and two ends of the bionic slightly-concave curved surface bottom plate are respectively connected to the sliding grooves of the left plate and the middle plate through two plum blossom-shaped handle screws.
Preferably, two ends of the delivery clamping rod are respectively connected with the travel rod through hinges, and the travel rod is connected with the output shaft of the motor through a torsion spring.
Preferably, the two sectional materials are arranged at the upper parts of the left plate and the middle plate, and a crosspiece is connected between the two sectional materials; two handles are arranged, wherein one handle is arranged on the crosspiece, and the other handle is arranged on the outer side surface of the right plate.
Preferably, the cross section of the bionic slightly-concave curved surface bottom plate is in a determined arc shape, the circle center of the arc coincides with the rotation center of the rolling disc, and the same arc is arranged in the matching relationship between the bottom plate and the elliptic cylindrical rod. The bionic slightly-concave curved surface bottom plate and the elliptic cylindrical rod are both obtained by simulating the radian of a human hand. And a layer of material with small friction is attached to the arc of the sliding groove.
The invention has the beneficial effects that:
1. the invention adopts a bionic structure, determines circular fitting by referring to a hand structure, designs that the slightly concave curved bottom plate and the elliptic cylinder arc surface are kept in constant force fracture, and greatly keeps the integrity of the tea.
2. The tea leaf picking machine can adjust the angle and extrusion force between the bottom plate and the elliptic cylinder cambered surface, and achieves higher tea leaf picking efficiency. Meanwhile, the elliptic cylinder can be adjusted in a self-adaptive mode, small movement amount is achieved, tea leaves are effectively picked, and the integrity degree of the tea leaves is further protected.
3. The tea leaf picking machine adopts the delivery clamping rod, so that the tea leaf feeding amount can be greatly increased, and the tea leaf picking efficiency is obviously improved.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;
figures 3a, 3b are enlarged partial views of the delivery gripping bar in the extreme position 1;
figures 4a, 4b are enlarged partial views of the delivery gripping lever in the extreme position 2;
FIG. 5 is a partial enlarged view of a bionic slightly concave curved surface part;
FIG. 6 is a partially enlarged view of a brush portion;
FIG. 7 is a schematic view of the output shaft, coupling, flange and output shaft bearing assembly;
FIG. 8 is a left side view of the present invention;
fig. 9 is a state diagram of the bionic slightly concave curved surface bottom plate after sliding along the sliding groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1, the bionic optimized tea leaf picking machine based on the slightly concave curved surface of the embodiment comprises a machine frame 1, a handle 2, a rolling picking mechanism 3, a bionic slightly concave curved surface bottom plate 7, a delivery clamping rod 8, a fine hairbrush 20 and the like, wherein the machine frame 1 is formed by assembling three plates, a plurality of columns and sectional materials. Rolling picking mechanism in particular, referring to fig. 1, the frame 1 comprises three acrylic plates cut to the appropriate size and shape, namely a left plate 10, a middle plate 5, and a right plate 4, the three plates being vertically parallel and spaced apart, the right plate 4 being located adjacent to the side of the hand of a person and being used for mounting a motor 23. A section bar 9 is vertically connected between the two ends of the upper part of the left plate 10 and the middle plate 5, the middle hole of the section bar 9 is provided with threads, so that the two plates and the section bar 9 can be conveniently connected in a matched manner by using bolts, a crosspiece is vertically connected between the two parallel section bars 9, and the crosspiece is close to the middle plate 5. The middle plate 5 and the right plate 4 are connected through a plurality of vertical connecting columns to form a case, the columns 6 are connected with the two plates in a matched mode through bolts, and therefore the machine frame forms a whole.
The present embodiment provides two handles 2, one handle 2 being mounted on the crosspiece between the two profiles 9 and the other handle 2 being mounted on the outer side of the right plate 4.
The rolling picker mechanism 3 is arranged between the left and middle plates 10, 5 of the frame 1 and a portion of which is associated with the delivery gripper bar 8. The bionic slightly concave curved bottom plate 7 is positioned at the lower side in the rack 1, and a part of the bionic slightly concave curved bottom plate is associated with the rolling picking mechanism 3.
As shown in fig. 1, 2 and 7, the rolling picking mechanism 3 includes a dc motor 23 with PID speed regulation, a rolling body, and an elliptic cylindrical rod 12, the dc motor 23 is mounted on the right plate 4, an output shaft 25 of the dc motor 23 is mounted with a coupling 24, the coupling 24 is located between the middle plate and the right plate, the coupling 24 is connected with a sleeve coupling, an outer ring of an output shaft bearing 26 is in interference fit with the middle plate 5, and an inner ring of the output shaft bearing 26 is in interference fit with the output shaft 25. The rolling body comprises a rolling disc 13, a spring 14, a position short rod 16, a bolt and a nut 15; the rolling discs 13 are arranged on the output shaft, one left disc and one right disc, each rolling disc 13 is connected with a flange 27 through four bolts, and the two flanges 27 are respectively fixed at two ends of the output shaft 25.
Three springs 14 are arranged on the rolling disc 13, the springs 14 are fixed on the rolling disc 13 through position short rods 16, one ends of the position short rods 16 are positioned on the rolling disc 13 through vertical plates 21, the ends of the position short rods 16 are connected with square-piece nuts 15 in a screwing mode, and the vertical plates 21 limit the rotation of the square-piece nuts 15. One end of the spring 14 abuts against the square-piece nut 15, and the other end abuts against one end of the elliptic cylindrical rod 12 (both ends of the elliptic cylindrical rod 12 penetrate through the rolling disc 13).
As shown in fig. 8, the left plate 10 and the middle plate 5 form two corresponding arc-shaped sliding grooves 11, and the two sliding grooves 11 on the same plate are arranged in a staggered manner. As shown in fig. 1, 2 and 5, the bionic slightly concave curved bottom plate 7 is arranged below the rolling picking mechanism 3, two ends of the bionic slightly concave curved bottom plate are respectively connected to the sliding grooves 11 of the left plate 10 and the middle plate 5 through two quincunx handle screws 22, the bionic slightly concave curved bottom plate can slide along the sliding grooves 11, and the quincunx handle screws 22 are screwed after the bionic slightly concave curved bottom plate slides to a set position. The arc shapes of the bionic slightly-concave curved surface bottom plate 7 and the elliptic cylindrical rod 12 are determined by simulating the radian of a human hand. Referring to fig. 9, the bionic slightly-concave curved bottom plate 7 is located at any position of the sliding groove 11, the perpendicular bisector of the arc-shaped surface of the bottom plate always penetrates through the rotation center of the rolling element, and the distances from the center of the arc-shaped surface to the rotation center of the rolling element are equal, so that the extrusion force of the elliptic cylindrical rod on the bottom plate is kept unchanged. According to the characteristics of the sliding chute 11, in the rotating process of the rolling disc 13, the arc circle center of the bionic slightly-concave curved surface bottom plate can be always kept consistent with the rotating center of the rolling disc 13, so that the force application angle during tea leaf picking can be adjusted while constant force extrusion is kept.
The two ends of the delivery clamping rod 8 are respectively connected with a stroke rod 18 through hinges, and the stroke rod 18 is connected with the output shaft of the motor through a torsion spring 19.
As shown in fig. 6, the hairbrush 20 is fixed to the profile 9 by means of a screw thread. When the elliptic cylindrical rod 12 rotates, the tiny hairbrushes 20 brush off dust on the rod, so that the surface of the elliptic cylindrical rod 12 is kept clean, and the tea picking efficiency is improved.
As shown in fig. 3, the delivery clamp lever 8 is in the extreme position one (the delivery clamp lever 8 is in the uppermost position), i.e. the delivery clamp lever 8 reaches its one-sided maximum value of travel at this time, driven by the torsion spring 19.
As shown in fig. 4, the delivery clamp lever 8 is in the second extreme position (the delivery clamp lever 8 is in the lowermost position), i.e. the delivery clamp lever 8 reaches its other maximum value of travel at this time under the drive of the torsion spring 19.
The delivery clamping rod 8 swings up and down under the action of the torsion spring to and fro between the limit position 1 and the limit position 2, so that tea leaves are pushed into the machine case of the tea plucking machine, the tea leaf feeding amount is greatly increased, and the tea leaf plucking efficiency is obviously improved.
The plum blossom handle screw 22 is arranged at the angle of the bionic slightly-concave curved surface base plate 7, and when the power supply is turned on, the direct current motor 23 drives the output shaft 25 to rotate, so that the two rolling discs 13 are driven to drive the three elliptic cylindrical rods 12 to rotate. With the advance of the tea-leaf picker, the delivery clamping rod 8 swings up and down under the action of the torsion spring 19, so that tea leaves on the upper portion of the tea tree quickly enter the machine box. The tea leaves entering the machine case are extruded by the constant force of the elliptic cylindrical rod 12 and the slightly concave curved bottom plate 7, the tea handles are broken, and the picked tea leaves continue to roll to the storage bag along with the rolling disc. When the elliptic cylindrical rod 12 rotates, the fine brushes 20 continuously brush off dust on the rod, and the surface of the elliptic cylindrical rod 12 is kept clean.
The invention adopts a bionic structure, determines circular fitting by referring to a hand structure, designs that the slightly concave curved bottom plate and the elliptic cylinder arc surface are kept in constant force fracture, and greatly keeps the integrity of the tea. The angle and the extrusion force between the bottom plate and the elliptic cylinder cambered surface are adjusted, so that higher tea leaf picking efficiency is realized. Meanwhile, the elliptic cylindrical rod can be adjusted in a self-adaptive mode, small movement amount is achieved, tea leaves are effectively picked, and the integrity degree of the tea leaves is further protected. The tiny hairbrush brushes off dust on the elliptic cylinder rod, so that the surface of the elliptic cylinder rod is kept clean, and the tea picking efficiency is improved.
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.
Although the reference numerals in the figures are used more here: a frame 1; a handle 2; a rolling picking mechanism 3; a right plate 4; a middle plate 5; a column 6; a bionic slightly concave curved surface bottom plate 7; a delivery gripping bar 8; a section bar 9; a left plate 10; a chute 11; an elliptical cylindrical rod 12; a scroll wheel 13; a spring 14; a square piece nut 15; a position shorting bar 16; a sleeve 17; a trip lever 18; a torsion spring 19; the terms thin brush 20, vertical plate 21, plum blossom handle screw 22, direct current motor 23, coupling 24, output shaft 25, bearing 26, flange 27, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. A bionic optimized tea picking machine based on a slightly concave curved surface is characterized by comprising a rack, wherein a rolling picking mechanism is arranged on the rack and comprises a motor, a rolling body and an elliptic cylindrical rod; the rolling body comprises two rolling discs which are arranged in parallel, and a plurality of elliptic cylindrical rods are connected between the two rolling discs; the rack is also provided with a bionic micro-concave curved surface bottom plate, the bionic micro-concave curved surface bottom plate is positioned below the rolling body, and the bionic micro-concave curved surface bottom plate forms an arc concave surface; the frame is also provided with a delivery clamping rod; the motor drives the rolling disc to rotate and drives the elliptic cylindrical rod to rotate, and simultaneously drives the delivery clamping rod to swing so that the tea leaves enter the rack, and the tea leaves entering the rack are extruded by the elliptic cylindrical rod and the slightly concave curved bottom plate under constant force;
the rack comprises a left plate, a middle plate and a right plate, the left plate, the middle plate and the right plate are vertically parallel and are arranged with a reserved interval, the left plate and the middle plate are vertically connected with a section bar, and the middle plate and the right plate are vertically connected with a column;
the bionic micro-concave curved surface bottom plate is characterized in that the left plate and the middle plate form two corresponding arc-shaped sliding grooves, the two sliding grooves on the same plate are arranged in a staggered manner, and two ends of the bionic micro-concave curved surface bottom plate are respectively connected with the sliding grooves of the left plate and the middle plate through two plum handle screws;
the arc shapes of the bionic slightly-concave curved surface bottom plate and the elliptic cylindrical rod are determined by simulating the radian of a human hand; the bionic slightly concave curved surface bottom plate is arranged at any position of the sliding chute, the perpendicular bisector of the arc surface of the bionic slightly concave curved surface bottom plate always penetrates through the rotating center of the rolling disc, and the distances from the center of the arc surface of the bionic slightly concave curved surface bottom plate to the rotating center of the rolling disc are equal; and in the rotating process of the rolling disc, the circle center of the circular arc of the bionic slightly-concave curved surface bottom plate is kept consistent with the rotating center of the rolling disc.
2. The bionic optimization tea leaf picking machine based on the slightly concave curved surface as claimed in claim 1, wherein the section bar is connected with the left plate and the middle plate through bolts; the column is connected with the middle plate and the right plate through bolts.
3. A bionic optimized tea leaf picking machine based on slightly concave curved surface as claimed in claim 1 or 2, characterized in that the profile is provided with a brush, and the brush cleans the rotating elliptic cylinder rod.
4. The bionic optimization tea leaf picking machine based on the slightly concave curved surface as claimed in claim 1 or 2, wherein the motor is mounted on the right plate, the output shaft of the motor is provided with a coupler, the coupler is positioned between the middle plate and the right plate, and the coupler is connected with a sleeve coupler; the output shaft of the motor is in interference fit with the inner ring of the bearing, and the outer ring of the bearing is in interference fit with the middle plate.
5. The bionic optimization tea leaf picking machine based on the slightly concave curved surface as claimed in claim 4, wherein the rolling disc is positioned on the output shaft, the rolling disc is connected with a flange, and the flange is fixed on the output shaft of the motor.
6. The bionic optimization tea leaf picking machine based on the slightly concave curved surface as claimed in claim 5, wherein springs corresponding to the number of the elliptic cylindrical rods are distributed on the rolling disc, the springs are arranged on the rolling disc through a short rod, one end of the short rod is positioned on the rolling disc through a vertical plate, and the end of the short rod is connected with a square nut in a screwing mode; one end of the spring is abutted against the square-piece nut, the other end of the spring is abutted against one end of the elliptic cylindrical rod, and the other end of the spring is abutted against the end of the elliptic cylindrical rod.
7. The bionic optimization tea leaf picking machine based on the slightly concave curved surface as claimed in any one of claims 1-2, wherein two ends of the delivery clamping rod are respectively connected with a travel rod through hinges, and the travel rod is connected with an output shaft of the motor through a torsion spring.
8. The bionic optimization tea leaf picking machine based on the slightly concave curved surface as claimed in claim 1 or 2, wherein the two profiles are arranged on the upper parts of the left plate and the middle plate, and a crosspiece is connected between the two profiles; two handles are arranged, wherein one handle is arranged on the crosspiece, and the other handle is arranged on the outer side surface of the right plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021106894686 | 2021-06-21 | ||
| CN202110689468 | 2021-06-21 |
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| CN113303086A CN113303086A (en) | 2021-08-27 |
| CN113303086B true CN113303086B (en) | 2023-02-07 |
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| CN202110701502.7A Active CN113303086B (en) | 2021-06-21 | 2021-06-23 | Bionic optimization tea picking machine based on slightly concave curved surface |
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| CN114391371B (en) * | 2021-11-25 | 2023-03-28 | 张家界康源茶业有限公司 | Hand-held type tea-leaf picker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1230522A1 (en) * | 1984-04-18 | 1986-05-15 | Научно-Производственное Объединение "Грузсельхозмаш" | Cutting apparatus drive mechanism |
| CN201523554U (en) * | 2009-10-16 | 2010-07-14 | 贵州大学 | Roll cutting type portable tea leaf picking device |
| CN103250515B (en) * | 2013-06-06 | 2015-09-30 | 刘启超 | Honeysuckle picking machine |
| CN207011285U (en) * | 2017-04-19 | 2018-02-16 | 华东交通大学 | A kind of Portable tea plucker tool |
| CN109743964A (en) * | 2017-11-04 | 2019-05-14 | 周小辉 | New Rotary picks vane machine automatically |
| CN109661901B (en) * | 2019-01-26 | 2024-06-14 | 绍兴春茗科技有限公司 | Tea picking machine |
| CN209609243U (en) * | 2019-01-26 | 2019-11-12 | 绍兴春茗科技有限公司 | Tea picking machine |
| CN210328562U (en) * | 2019-06-18 | 2020-04-17 | 云南玉龙祥茶业有限公司 | Telescopic picking device with adjustable caliber |
| CN110839405B (en) * | 2019-11-18 | 2020-10-23 | 浙江理工大学 | Lifting type bionic tea single-bud picking machine |
| CN111758389B (en) * | 2020-07-20 | 2021-11-30 | 杭州电子科技大学 | Tea tender shoot picking device and method |
| CN111771536B (en) * | 2020-07-28 | 2021-11-30 | 杭州电子科技大学 | Tea tender bud picking machine and method |
| CN112352541A (en) * | 2020-12-08 | 2021-02-12 | 安徽信息工程学院 | Portable tea-leaf picker |
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