CN207054128U - A kind of oscillation plate type ear-snapping unit - Google Patents
A kind of oscillation plate type ear-snapping unit Download PDFInfo
- Publication number
- CN207054128U CN207054128U CN201721043815.3U CN201721043815U CN207054128U CN 207054128 U CN207054128 U CN 207054128U CN 201721043815 U CN201721043815 U CN 201721043815U CN 207054128 U CN207054128 U CN 207054128U
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- Prior art keywords
- stem pulling
- harvesting
- pulling roller
- stem
- frame
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Abstract
The utility model discloses a kind of oscillation plate type ear-snapping unit, frame, and two harvesting plates, low land is arranged on the rack level section oblique above frame after height before it, double harvesting plates are reciprocally swung, and the harvesting plate is provided with multiple notches that can be bonded with fruit ear root fringe handle；Double stem pulling rollers, it is rotatably disposed in above the harvesting plate, and is provided with groove parallel to the rack level section, the stem pulling roller surface.Ear-picking unit provided by the utility model can effectively control corn ear and stalk position, prevent disconnected stem from blocking；Harvesting plate is small to corn ear active force simultaneously, will not damage corn.
Description
Technical field
It the utility model is related to a kind of agricultural corn picker, more particularly to the oscillating deck used on a kind of corn picker
Formula ear-snapping unit.
Background technology
The key working part of corn picker is ear-snapping unit at present, and it is primarily present two kinds of different operating principles
Device, one kind is roll-type ear-picking unit, by corn stem and fruit ear stretching with extruding realize harvesting purpose, impurities removal ability
By force, corn but is easily chewed, loss late is high；One kind is board-like ear-picking unit, hales corn stem by board corn root and completes
Harvesting works, and speed is fast, and loss is low, but impurity is high, easily blocks.Therefore, a kind of corn picker dress of efficient, low damage is designed
Put significant.
Chinese invention patent application 201210052268.0 provides one kind and imitates human hand harvesting using bionic principle, will
The principle of back-flexing stretching is applied to ear-picking unit, realizes purpose that is laborsaving, reducing damage, but because conveyer belt is upright
Transmit plant, conveyer belt be hard to keep with snapping bar transmission speed it is consistent, and be in two snapping bar space planes corn meeting
Unfavorable harvesting, yet have damage, the problems such as disconnected stem blocks.
The content of the invention
Problem to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind of ear-picking unit can be controlled effectively
Corn ear processed and stalk position, prevent disconnected stem from blocking；
Another technical problem of the present utility model is while harvesting plate is small to corn ear active force, will not damage jade
Rice.
To solve the above problems, the technical solution adopted in the utility model is：Principle, design one are stretched using back-flexing
Kind of swing type corn picker plate, including frame, and two harvesting plates, it is high before it after low land with the rack level section oblique
It is arranged on above frame, double harvesting plates are reciprocally swung；Double stem pulling rollers, it is rotatably disposed in above the harvesting plate,
And it is provided with groove parallel to the rack level section, the stem pulling roller surface.
Fixed three bearing blocks of frame, first bearing seat above the frame rear end, its is rotatable to fix two stem pullings
Roller rear end；It is rotatable solid to be separately positioned on the fourth bearing seat in second bearing seat and horizontal segment, its difference above frame front end
The central shaft of the fixed snapping bar front and rear end；Be arranged on 3rd bearing seat below frame front end, its rotate it is fixed with it is described
The central shaft that the support bar of stalk cutter is vertically connected.
The stem pulling roller leading portion is provided with spiral arc groove, and outer rim camber line can be brought into close contact corn stem during stem pulling, make stem
Stalk uniform force, avoid stalk is destructurized because of partial points stress during stem pulling from producing fracture.
Four off-centre operation disc cranks, it is connected respectively by revolute with the harvesting plate both ends, and the two suites handle
Central shaft be arranged on described second, in fourth bearing seat；Two eccentric disc, snapping bar and frame are formed in four-bar mechanism
Double-crank mechanism；Eccentric disc does continuous rotary at work, and any point moves in a circle on two harvesting plates of crisscross motion,
While producing downward opposition to corn, active force also backward, correction corn position, play auxiliary harvesting and make
With.
The harvesting plate is provided with multiple notches, and the notch is formed by circular arc and straight line are tangent, during harvesting arc section with
Fruit ear fitting force harvesting, fruit ear depart from notch, carry out further work, reduce the impurity such as cauline leaf, reduce damage in time.
The oppositely oriented configuration of helical groove helix on two described stem pulling rollers, while when rotating, the stem pulling roller side
Intermarginal gap is minimum, stalk is in small gap, with stem pulling roller rotation motion upwards backward, will not occur laterally to alter
It is dynamic, the problems such as avoiding disconnected stem from blocking.
Stalk crushing device, by the two crushing cutteves and the stem of the frame lower right being arranged on above the stem pulling roller
Stalk cutter part is formed.
Parallel and planar section is located coincident with support bar above and below the two stalks cutter, and the stalk cutter is provided with
Sawtooth, the single sawtooth is asymmetric, ensures cutting completely.
The transmission mechanism of described drive connection ear-picking unit includes：The clutch shaft bearing base rear end and drawing are installed in respectively
Two intermeshing first and second bevel gears on stem roller rear axle, two on the support bar and central shaft are ratcheting mutually
Third and fourth cone tooth, the side chain wheel of stem pulling roller rear axle both sides, two driven sprockets in the snapping bar backend center axis, the
Power chain on three bearing blocks, by axle through bearing block around bevel gear and corresponding stem pulling roller side chain wheel on the rear axle
Power chain, be looped around the side chain wheel side chain bar parallel with two on driven sprocket, be looped around a driven sprocket with
The driven chain of power chain.
Two groups are helped standing grain, and it is separately positioned on the stem pulling roller front end and the stalk cutter front end, and is extended to both sides, helps
The plant just to come head-on.
Beneficial effect described in the utility model is：1) it is beautiful to be based on back-flexing stretching ear-picking principle design for the utility model
Rice ear-picking unit, reduces the damage to fruit ear, reduces kinetic equation loss；2) harvesting plate of the present utility model uses form of reciprocating vibration
, harvesting plate backward moved beneath when drop-down impact fringe shank position auxiliary harvesting, pull back simultaneously, it is defeated after synchronous with stem pulling roller,
Disconnected stem is avoided to block；3) groove port being bonded with fruit ear while is designed with harvesting plate, makes corn ear uniform force, avoids damaging
Wound；4) helical groove of the imitative maize straw shape design of stem pulling roller, reduces stalk stress concentration, avoids stalk from being broken, make straw
It is defeated without horizontal looseness after stalk rotation, avoid stem pulling roller from blocking.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the bionical stem pulling roll structure schematic diagram of the utility model.
Fig. 3 is for the utility model stem pulling roller to the corn stem mode of action and traditional stem pulling roller to the corn stem mode of action
Contrast effect figure.
Fig. 4 is the stem pulling roller operating position schematic diagram that the utility model is organized in pairs.
Fig. 5 is the utility model stem pulling roller and its drive mechanism schematic diagram.
Fig. 6 is that the utility model reciprocally swinging harvesting plate and its accessory drive realize structure chart.
Fig. 7 be the utility model one work period of reciprocally swinging harvesting plate thereon any point movement locus signal
Sketch.
Fig. 8 is the utility model harvesting plate to corn ear fringe handle mode of action simplified schematic diagram.
Fig. 9 is a pair of harvesting plate operating positions that the utility model uses and work simplified schematic diagram
Figure 10 is the utility model stalk cutter and its drive mechanism sketch.
Figure 11 is the specific contour structures simplified schematic diagram of the utility model stalk cutter.
Figure 12 is that the utility model entirety kind of drive and power distribute simplified schematic diagram.
Figure 13 is utility model works principle simplified schematic diagram.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment
Such as Fig. 1, frame 2, and transmitting device, including it is horizontally set on double stem pulling rollers 3 of the top of the frame 2 and described
A pair of the front end of stem pulling roller 3 divide standing grain 4 to form to what both sides extended, and the surface of stem pulling roller 3 is provided with groove；Ear-picking unit, by setting
The top of frame 2, the lower section of stem pulling roller 3 and a pair of the swing type harvesting plates 1 low with after the preceding height of the oblique of frame 2 are placed in form；
Stalk crushing device, by being arranged on two crushing cutteves 5 of the top of stem pulling roller 3 and the stalk cutter part of frame lower right
6 are formed；
Frame 2 is fixed with three bearing blocks, first bearing seat 320 in the frame of the frame rear end, its rotatable fixation
The rear end of two stem pulling roller 3；The fourth bearing seat 130 in second bearing seat 120 and horizontal segment above the front end of frame 2 is separately positioned on,
It distinguishes the central shaft of the rotatable fixation front and rear end of harvesting plate 1；It is arranged on 3rd bearing seat below frame front end
660, it rotates the fixed central shaft being connected vertical with the support bar of the stalk cutter 6.
Such as Fig. 2, the leading portion 310 of stem pulling roller 3 is provided with spiral arc groove, and its helical groove is bent in stem pulling roll shaft section section
Line imitates corn stem cross-sectional shape and designed and produced, and the spiral slot cross-section in each pitch is circular arc line, with Maize Stem
The cross sectional shape of stalk is similar, and corn stem is brought into close contact camber line in the case where being produced micro-strain by certain extruding force, keeps away
Exempting from stalk, because of concentration of local stress, destructurized produce is broken in stem pulling process midpoint stress (shown in such as Fig. 3 (a)).Stem pulling
The latter end of roller 3 is provided with that spacing is less hales section, quick stem pulling.
The oppositely oriented configuration of helical groove helix on two stem pulling rollers 3, as the present embodiment, makes as Fig. 4 is tentatively installed
It is relative with the spiral convex arc of another stem pulling roller to obtain the helical groove of a stem pulling roller, when ensureing two stem pulling roller synchronous axial systems
Gap between the edge line of two stem pulling rollers is minimum and ensures that two stem pulling rollers do not interfere (d as shown in Figure 41And d2Most
It is small), gap d is in all the time into the corn stem between stem pulling roller 32Interior (d1＞ d2), horizontal looseness, Zhi Nengsui will not occur
Stem pulling roller 3 and rotate and move backward upwards, the problems such as avoiding blocking.
It is located at as shown in figure 5, the rear axle of two stem pulling roller 3 is rotatable in fourth bearing seat 320, bevel gear is installed on its rear axle
360, there is the two bearings seat 340 being fixed in frame 2 the rear axle both sides of stem pulling roller 3, and central shaft is provided with and the 340 cone teeth engaged
Wheel 350, bevel gear 350 by axle with sprocket wheel 330 is connected through bearing block 340, and this can be by a part for stem pulling roller 3 to bevel gear
Power changes direction of transfer and passes to harvesting plate transmission mechanism by sprocket wheel.
Such as Fig. 6, the central shaft of two cranks 160 of harvesting plate 110 is separately mounted in bearing block 120 and 130, with frame 2
Between form revolute, the position of off-center axle certain distance and harvesting plate 1 are be hinged on crank 160 forms revolute, by
This, forms the double-crank steel construction in a four-bar mechanism, the continuous rotary of two crank 160 in work.
The track at any point on harvesting plate 1 that often rotates a circle of crank 160 is a circle, as shown in fig. 7, this full circle from
It can be divided into two sections (reverse-running section and active sections) in terms of the job specification of harvesting plate 1, every section of upper any point can be divided again
Solve as two motions.The motion side of the back lower place as shown by arrows is produced to plant into clockwise circular trajectory harvesting plate 1
To；The horizontal direction decomposition power V in lower work section any point movement velocity directionX1The work conveyed backward is played to stalk
With vertical direction decomposition power Vy1Corn ear fringe handle is acted on, plays a part of aiding in harvesting.Reverse-running section passes through harvesting plate
Notch design realizes that plant departs from the return with harvesting plate 1 on 1.Such as Fig. 8, each notch general perspective by circular arc line δ and
The tangent connection composition of two sections of line segments of straight line θ, as Fig. 8 (a) active sections are transported to straight line to force harvesting at corn ear and promotion
At section, then such as 1 upward forward of Fig. 8 (b) harvestings plate, fruit ear depart from notch, and corn stem continues to move rearwardly and upwardly, with
Stem pulling roller 3 transmits at the same speed.As the present embodiment, under Fig. 9 original states, crank 160 and the difference angle of harvesting plate 1 are φ
180 °, in work, the effect of the crisscross motion of two harvesting plate 1, there is correction to make to the corn ear in two gaps of harvesting plate 1
With being adjusted to the position vertical with harvesting plate 1 in order to harvesting.
Two stalks cutter as shown in Figure 10 is parallel about 610 and planar section is located coincident with support bar, such as Figure 11 stems
Stalk cutter 610 is provided with sawtooth, and the single sawtooth is asymmetric, ensures cutting completely.There is rotary shaft in 3rd bearing seat 660,
Power chain 670 is installed on its outboard shafts, the 4th bevel gear 650 is installed on inner shafts.Bearing block 630 is fixed on frame 2
On, stalk cutter 610 is arranged in the rotary shaft in bearing block 630, and its coaxial lower section is provided with third hand tap gear 640, and the 3rd
Bevel gear 640 is engaged with the 4th bevel gear 650, and sprocket wheel 670 is transmitted to the power commutation come and is then passed to stalk cutter 610.
Two groups are helped standing grain 4, and it is separately positioned on the front end of stem pulling roller 3 and the front end of stalk cutter 6, and is extended to both sides, helps
The plant just to come head-on, it is sent into stem pulling area and cutting area.
The power transmission line of this ear-picking unit is as shown in figure 12, is looped around side chain wheel 330 and two on driven sprocket 150
The parallel side chain bar 710 of bar, it is looped around the driven chain of a driven sprocket 150 and a power chain 670, stem pulling roller
3 power passes to side chain wheel 330 by the intermeshing bevel gear in rear end, then passes to harvesting plate 1 by side chain bar 710,
Driven sprocket 150 on harvesting plate 1 imparts power to the 4th bevel gear 650, the 4th bevel gear by power chain 670 again
650 engagement third hand tap gears drive front stalk cutter 610 to rotate.
Reference picture 13, the method for the utility model ear-picking unit harvesting are as follows：1) stalk cutter 610 will be by dividing the righting of standing grain 4
Plant root cut-out, be divided to standing grain 4 by corn stem introduce two stem pulling rollers 7 between；2) surface is provided with helical structure groove
Stem pulling roller 3 stalk is conveyed backward while rotate upward stem pulling；3) top crushes cutter 5 and by straw chopping and thrown away；
4) during 3 continuous stem pulling of stem pulling roller, the notch of harvesting plate 1 captures corn ear, with synchronous stem pulling roller 3 while pulling down harvesting
Speed convey stalk backward.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (8)
1. a kind of oscillation plate type ear-snapping unit, including
Frame, and
Two be parallel to each other and between there is the harvesting plate of certain interval, the horizontal segment of itself and the frame is tilted and set
Above the horizontal segment of frame, the harvesting plate is provided with multiple notches, and each notch shape is identical, the notch by circular arc and
The tangent composition of straight line, arc section is bonded with fruit ear root fringe handle during harvesting；
Double stem pulling rollers, it is parallel to each other and each rotatable, and it is arranged on above the harvesting plate, and parallel to the frame water
Flat section, the stem pulling roller surface are provided with groove；
Crank, it is rotatably supported in the frame；
Wherein, the both ends of the harvesting plate are hinged on the eccentric position of the crank, when the crank rotates, the harvesting
The end points of plate can be around the central rotation of the crank.
2. oscillation plate type ear-snapping unit according to claim 1, it is characterised in that
The crank is four, is separately positioned on the both ends of the described two harvesting plates used in pairs；
The side of frame described in two of which crank, two other crank are arranged on the rack level section, the crank difference
It is connected by bearing with the harvesting plate both ends；The crank, snapping bar and frame form the double-crank mechanism in four-bar mechanism.
3. oscillation plate type ear-snapping unit according to claim 1, it is characterised in that
Described stem pulling roller one end is rotatably disposed in the upper rack, and the stem pulling roller surface is provided with spiral arc groove, draws
Corn stem can be brought into close contact during stem, makes stalk uniform force；
The oppositely oriented configuration of helical groove helix on described double stem pulling rollers, while when rotating, the two stem pulling roller edges
Gap is minimum, make stalk with stem pulling roller rotation it is upward while to away from dividing standing grain direction to move.
4. oscillation plate type ear-snapping unit according to claim 1, it is characterised in that
Multiple bearing blocks are installed with the frame respectively, are internally provided with rotary shaft.
5. oscillation plate type ear-snapping unit according to claim 1, it is characterised in that also include：
Cutter is crushed, it is positioned close to directly over the stem pulling roller.
6. oscillation plate type ear-snapping unit according to claim 1, it is characterised in that also include：
Parallel and planar section is located coincident with support bar above and below two stalk cutteves, under the support bar and the frame front end
Central shaft in the second bearing seat of side is connected；
The stalk cutter is provided with sawtooth, and the single sawtooth is asymmetric.
7. oscillation plate type ear-snapping unit according to claim 1, it is characterised in that also include：
First and second bevel gear, it is installed on clutch shaft bearing base rear end and stem pulling roller rear axle respectively, and is intermeshed；Third and fourth
Tooth is bored, it is installed in the support bar and central shaft respectively, and ratcheting mutually；
Side chain wheel, it is installed in two stem pulling roller rear axle both sides；Two driven sprockets, it is installed in the snapping bar backend center axis
On；Power chain, it is installed on 3rd bearing seat；
Power chain, its axle is through the first bearing seat around second bevel gear and corresponding stem pulling roller side chain wheel；Two side chains
Bar, it is looped around on side chain wheel and driven sprocket, and is parallel to each other；Driven chain, it is looped around a driven sprocket with cutting
Power chain on knife.
8. oscillation plate type ear-snapping unit according to claim 3, it is characterised in that also include：
Two groups are helped standing grain, and it is separately positioned on the stem pulling roller front end and stalk cutter front end, and is extended to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721043815.3U CN207054128U (en) | 2017-08-21 | 2017-08-21 | A kind of oscillation plate type ear-snapping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721043815.3U CN207054128U (en) | 2017-08-21 | 2017-08-21 | A kind of oscillation plate type ear-snapping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207054128U true CN207054128U (en) | 2018-03-02 |
Family
ID=61516032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721043815.3U Expired - Fee Related CN207054128U (en) | 2017-08-21 | 2017-08-21 | A kind of oscillation plate type ear-snapping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207054128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333521A (en) * | 2017-08-21 | 2017-11-10 | 吉林大学 | A kind of oscillation plate type ear-snapping unit |
| CN111637216A (en) * | 2020-04-30 | 2020-09-08 | 勇猛机械股份有限公司 | Independent single light-duty ear picking gear box suitable for small row spacing |
-
2017
- 2017-08-21 CN CN201721043815.3U patent/CN207054128U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333521A (en) * | 2017-08-21 | 2017-11-10 | 吉林大学 | A kind of oscillation plate type ear-snapping unit |
| CN111637216A (en) * | 2020-04-30 | 2020-09-08 | 勇猛机械股份有限公司 | Independent single light-duty ear picking gear box suitable for small row spacing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Qiang Inventor after: Sun Guoqiang Inventor after: Liu Chuanxin Inventor after: Zhang Li Inventor after: Chen Zhi Inventor after: Fu Jun Inventor after: Yu Lulu Inventor after: Dong Rui Inventor after: Zhang Chengnan Inventor before: Zhang Qiang Inventor before: Sun Guoqiang Inventor before: Liu Chuanxin Inventor before: Zhang Li Inventor before: Chen Zhi Inventor before: Fu Jun Inventor before: Yu Lulu Inventor before: Dong Rui Inventor before: Zhang Chengnan |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |