CN105027829B - Mechanized yield-increasing tea-picking equipment - Google Patents
Mechanized yield-increasing tea-picking equipment Download PDFInfo
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- CN105027829B CN105027829B CN201510406898.7A CN201510406898A CN105027829B CN 105027829 B CN105027829 B CN 105027829B CN 201510406898 A CN201510406898 A CN 201510406898A CN 105027829 B CN105027829 B CN 105027829B
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Abstract
The invention relates to mechanized yield-increasing tea-picking equipment and belongs to the technical field of agricultural machinery. According to the equipment, a cutting device is installed below a driving-operation device of a door-shaped rack, the cutting device comprises two pairs of arc-shaped cutting knives which are symmetrically distributed below the middle of the door-shaped rack, the adjacent ends of the two pairs of cutting knives are jointed, and the radius of a circular arc defined by three points, namely the end points at the two sides and the joint point, is larger than the circular arc radius of each arc-shaped cutting knife; each arc-shaped cutting knife is constituted by an upper arc-shaped blade and a lower arc-shaped blade which are closely attached to each other, the front end of each upper arc-shaped blade and the front end of the corresponding lower arc-shaped blade are each provided with zigzag cutting edges, the upper arc-shaped blades, the lower arc-shaped blades and a tool changer fixed to the rack form arc-shaped track moving pairs, an elongated slot is formed in the middle of the rear side of each of the upper arc-shaped blades and the lower arc-shaped blades, the width of each elongated slot is matched with an eccentric wheel corresponding to a dual eccentric wheel shaft in a moving mode, and each dual eccentric wheel shaft is in transmission connection with a rotation driving device arranged on the rack. By the adoption of the equipment, compared with cutting devices which are distributed in a shape like a Chinese character 'eight' in the prior art, the yield is raised obviously, and the yield by means of the dual-arc harvesting is further higher than that of the 'three-point-and-single-arc' harvesting, therefore the prominent progress is made.
Description
Technical field
The present invention relates to tea plucking device is increased production in a kind of tea plucking device, especially a kind of mechanization, also relate to corresponding
Tea picking method, belongs to agricultural machinery technological field.
Background technology
According to the applicant understood, the state-of-the-art technology of existing tea picking machine by No. 201310057808.9 Chinese invention patents public affairs
Open, the tea picking mechanism of the machine has a pair roll-turning sicklies in "eight" shape distribution, is adapted for carrying out double slanted Folium Camelliae sinensis and adopts
Pluck.
However, finding in practice, though the picking efficiency of above-mentioned tea picking machine is high, yield is unsatisfactory.
The content of the invention
It is an object of the invention to：For the problem that above-mentioned prior art is present, improved by structure, propose that one kind can be with
While harvest efficiency is ensured, the mechanization volume increase tea plucking device of harvesting quality is significantly improved.
In order to achieve the above object, the reason for applicant is limited to above-mentioned machine tea picking yield is analyzed.Research shows,
Because the fresh leaf that machine is picked tea-leaves picks up from the young sprout in the fluffy face of Camellia sinensis, therefore the fluffy face size of the corresponding Camellia sinensis of cutter direct shadow when harvesting
Ring the height of tea yield.Transverse width shown in Fig. 4 is b, subtended angle isCamellia sinensis, be cambium NEW on veteran branch OLD,
If pruning harvesting using traditional " flat pattern ", fluffy face width is only air line distance b；And such as take arc to prune, make original
Fluffy face be changed into arc length L, because L is significantly greater than>The fluffy face area that formed will significantly greater than flat pattern when b, i.e. arc prune harvesting
Prune, therefore yield can be effectively improved；Fact proved that the way it goes.
On the basis of here understanding, applicant proposed the technical scheme of tea plucking device is increased production in mechanization of the present invention：Including peace
The portal frame on the road wheel of both sides is put, portal frame middle part top manipulates equipped with actuation means, the driving is driven
Cutter sweep is installed, the rear side of the cutter sweep is equipped with the conveyer belt from low to high being connected therewith, institute below device
The outfan lower section of conveyer belt is stated equipped with separating screen device, the lower section of the separating screen device is equipped with the collection for being fixed on the frame back lower place
Case, it is characterised in that：The cutter sweep is to be symmetrically distributed in two secondary arc cutteves below portal frame middle part, and described two is secondary
The abutting end handing-over of arc cutter, and the arc radius of 3 points of determinations of both sides end points and interface point are more than the arc cutter
Arc radius；The upper and lower cambered blade that the arc cutter is had serrated edge by front end is close to constitute, the upper and lower arc
Shape blade constitutes arching trajectory moving sets with the tool magazine being fixed in frame, and rear side middle part has respectively width and double eccentric wheel
Axle correspondence bias moves in turn the elongated slot matched somebody with somebody, and the double eccentric wheel axle is connected with the rotating driving device being placed in frame.
When rotating driving device drives double eccentric wheel axle to rotate, eccentric will be by elongated slot band cutting blade along arc track
Swing, so that upper and lower blade mutually shears harvesting such as razor.Due to the arc cutter arc radius of two secondary symmetrical placements it is equal
Less than " three point list arc radius " that its both sides end points and interface point determine, therefore the arc length sum of two secondary arc cutteves（It is i.e. total
Length of run）The arc length of three points arc is will be greater than, " the fluffy face size of the corresponding Camellia sinensis of cutter is directly affected during harvesting according to Folium Camelliae sinensis
Tea yield height " theory, it is known that using the present invention after, not only than corresponding prior art "eight" shape be distributed sickle
Yield significantly improve, and the yield of its pair of arc harvesting is also higher than the harvesting yield of " three point list arcs ", therefore achieves protrusion
Progress.
Further improving of the invention is that the upper and lower cambered blade rear side middle part each extends over out the knife with elongated slot
Handle, the width eccentric corresponding with double eccentric wheel axle of the elongated slot is matched somebody with somebody by the way that bearing is dynamic.
The present invention is further improved, and the handle of a knife and double eccentric wheel axle are both supported upon the upper casing and lower casing of pairing
In.
The present invention is further improved, and double eccentric wheel axle middle part has the two eccentric of 180 ° of angular phase shifting
Wheel, two eccentrics form kinematic pair with the handle of a knife of upper and lower cambered blade respectively during assembling.
The present invention also further improving is that the front side of the cutter sweep is equipped with and is connected to blowing for blower fan by ajutage
Mouth.
Description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the arc cutter structural representation of Fig. 1 embodiments.
Fig. 4 is that " flat pattern " harvests comparison schematic diagram with " single arc ".
Fig. 5 is that " single arc " harvests comparison schematic diagram with " double arcs ".
Fig. 6 is the arc top blade form schematic diagram of Fig. 1 embodiments.
Fig. 7 is the double eccentric wheel axle construction schematic diagram of Fig. 1 embodiments.
Fig. 8 is the side view of Fig. 7.
Specific embodiment
Embodiment one
As shown in Figure 1 to Figure 3, portal frame 2 is placed in two to the mechanization volume increase tea plucking device basic structure of the present embodiment
On side caterpillar type tavelling wheel 1.The middle part of portal frame 2 top is equipped with including control lever 9, course changing control handle 10, driver seat 11
Drive actuation means.Drive and cutter sweep 3 is installed below actuation means.The rear side of cutter sweep 3 is equipped with what is be connected therewith
Conveyer belt 14 from low to high, the storage bin 15 that the outfan lower section menometrorrhagia of conveyer belt 14 is bucket-shaped is equipped with separating screen device 16, sub-sieve
The lower section of device 16 is equipped with the collecting box 17 for being fixed on the back lower place of frame 2.The front side of cutter sweep 3 is equipped with and is connected by ajutage 4
To the blow gun of blower fan 7, so contribute to making Folium Camelliae sinensis fall on the conveyer belt of rear side after cutting harvesting.5 it is hydraulic pump in figure, 6 is
Its drive mechanism.
Cutter sweep 3 is to be symmetrically distributed in two secondary arc cutteves below portal frame middle part（Referring to Fig. 3, Fig. 6）.As schemed
Camellia sinensis height H and tea canopy natural width b shown in 5 is definite value, be it is easy to show that for same Camellia sinensis by geometry derivation,
When arranging two secondary arc cutteves, its abutting end joins rather than seamlessly transits, and its both sides terminal A, C are set by tea canopy natural width b
Fixed, then A, C and the arc radius R of two 3 points of determinations of secondary arc cutter interface point B will be greater than the arc radius R1 of arc cutter.
Because corresponding arc length L of radius R is less than two secondary arc cutter arc length L1 between A, C point, therefore meeting two secondary arc cutteves
The arc radius of 3 points of determinations of both sides end points and interface point can make two secondary arcs more than the condition of the arc radius of arc cutter
The tea canopy area that shape cutter is formed when harvesting is harvested not only obviously more than the harvesting of flat pattern cutter more than single arc cutter, and its
Arc radius are less, and area increase is more.
The concrete structure of arc cutter as shown in Figure 3 and Figure 6, by front end have serrated edge upper cambered blade 3-1,
Arc lower blade 3-9 is close to constitute, and upper and lower cambered blade constitutes arching trajectory moving sets with the tool magazine being fixed in frame.Upper,
Arc lower blade 3-1,3-9 rear side middle part each extends over out the handle of a knife 3-10 with elongated slot, width and the double eccentric wheel axle of elongated slot
The corresponding eccentrics of 3-4 are matched somebody with somebody by the way that bearing 3-7 is dynamic, and handle of a knife 3-10 and double eccentric wheel axle 3-4 is both supported upon the upper casing 3-2 of pairing
In lower casing 3-6.As shown in Figure 7, Figure 8, middle part has the two of 180 ° of angular phase shifting to the concrete structure of double eccentric wheel axle 3-4
Eccentric, handle of a knife during assembling respectively with upper and lower cambered blade 3-1,3-9 forms kinematic pair.The overhanging end of double eccentric wheel axle 3-4
It is connected with the hydraulic motor 12 being placed in frame 2 as rotating driving device.
It was verified that can be basically unchanged in mode of operation, cost using the convex pair of arc cutter structure of the present embodiment
In the case of, Folium Camelliae sinensis harvesting yield is significantly improved, can increase production more than 10% than the harvesting of single arc cutter, therefore with scientific and reasonable behave
Realize increasing both production and income.
In addition to the implementation, the present invention can also have other embodiment.All employing equivalents or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (5)
1. tea plucking device is increased production in a kind of mechanization, including the portal frame being placed on the road wheel of both sides, in the portal frame
Portion top is provided with cutter sweep, after the cutter sweep equipped with actuation means are driven below the driving actuation means
Side is equipped with separating screen device, the sub-sieve equipped with the conveyer belt from low to high being connected therewith, the outfan lower section of the conveyer belt
The lower section of device is equipped with the collecting box for being fixed on the frame back lower place, it is characterised in that：The cutter sweep is to be symmetrically distributed in door
Two secondary arc cutteves below shape central rack, the abutting end handing-over of described two secondary arc cutteves, and both sides end points and handing-over
Arc radius of the arc radius of three points of determinations of point more than the arc cutter；The arc cutter has zigzag knife by front end
The upper and lower cambered blade of sword is close to constitute, and the upper and lower cambered blade constitutes arching trajectory and moves with the tool magazine being fixed in frame
Dynamic pair, and there is respectively the handle of a knife in the middle part of rear side width bias corresponding with double eccentric wheel axle to move in turn the elongated slot matched somebody with somebody, two eccentrics are filled
Timing forms kinematic pair with the handle of a knife of upper and lower cambered blade respectively；The double eccentric wheel axle drives with the rotation being placed in frame
Dynamic device is connected.
2. tea plucking device is increased production in mechanization according to claim 1, it is characterised in that：The upper and lower cambered blade rear side
Middle part each extends over out the handle of a knife with elongated slot, and the width eccentric corresponding with double eccentric wheel axle of the elongated slot is dynamic by bearing
Match somebody with somebody.
3. tea plucking device is increased production in mechanization according to claim 2, it is characterised in that：The handle of a knife and double eccentric wheel axle
In being both supported upon the upper casing and lower casing of pairing.
4. tea plucking device is increased production in mechanization according to claim 3, it is characterised in that：The double eccentric wheel axle middle part has
Two eccentrics of angular 180 ° of phase shifting, two eccentrics form kinematic pair with the handle of a knife of upper and lower cambered blade respectively during assembling.
5. tea plucking device is increased production in mechanization according to claim 4, it is characterised in that：The front side of the cutter sweep is equipped with
The blow gun of blower fan is connected to by ajutage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406898.7A CN105027829B (en) | 2015-07-13 | 2015-07-13 | Mechanized yield-increasing tea-picking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406898.7A CN105027829B (en) | 2015-07-13 | 2015-07-13 | Mechanized yield-increasing tea-picking equipment |
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| Publication Number | Publication Date |
|---|---|
| CN105027829A CN105027829A (en) | 2015-11-11 |
| CN105027829B true CN105027829B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510406898.7A Active CN105027829B (en) | 2015-07-13 | 2015-07-13 | Mechanized yield-increasing tea-picking equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112492975A (en) * | 2020-12-16 | 2021-03-16 | 何东光 | Unmanned full-automatic tea picking, weeding and fertilizing integrated machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09275744A (en) * | 1996-04-11 | 1997-10-28 | Ochiai Hamono Kogyo Kk | Picking machine supporting method for rail type tea picking machine |
| JPH09298905A (en) * | 1996-05-15 | 1997-11-25 | Kawasaki Giken Kk | Escaping from obstacle in tea field and self-propelled tea field-managing apparatus performing the same |
| CN202455848U (en) * | 2011-12-07 | 2012-10-03 | 中外合资镇江古田农业环境工程有限公司 | Tea garden supervisor bearing rack |
| CN103754110B (en) * | 2014-01-02 | 2016-01-06 | 安徽农业大学 | A kind of sitting type tea picking machine |
| CN204888015U (en) * | 2015-07-13 | 2015-12-23 | 农业部南京农业机械化研究所 | Mechanized raising output equipment of picking tea -leaves |
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