CN105638068B - A kind of spring tooth bowl formula peanut pick-up unit - Google Patents
A kind of spring tooth bowl formula peanut pick-up unit Download PDFInfo
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- CN105638068B CN105638068B CN201610133830.0A CN201610133830A CN105638068B CN 105638068 B CN105638068 B CN 105638068B CN 201610133830 A CN201610133830 A CN 201610133830A CN 105638068 B CN105638068 B CN 105638068B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D29/00—Harvesters for peanuts
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D89/00—Pick-ups for loaders, chaff-cutters, balers, field-threshers, or the like, i.e. attachments for picking-up hay or the like field crops
- A01D89/001—Pick-up systems
Abstract
A kind of spring tooth bowl formula peanut pick-up unit, belongs to agricultural machinery technological field.Including open collecting reel, roller slide track, pick up elastic claw and side plate, the pickup elastic claw uniform intervals are fixed on elastic claw axis, the central shaft of collecting reel passes through the left and right side plate of both sides to connect bearing block respectively, roller slide track is fixedly mounted in one of side plate, elastic claw axis one end connects roller slide track by crank cam mechanism, and the idler wheel insertion roller slide track of crank cam mechanism is simultaneously limited in rolling in slideway.Central axis drives collecting reel to rotate simultaneously, and roller slide track ensure that the swing posture of elastic claw each station during pickup, it can be achieved that elastic claw pickup, lifting, push and the action of backlash station in the corresponding shape in each phase angle.The present invention is picked up according to peanut plant and is required, and determines to pick up initial attitude and swaying movement regularity of the elastic claw in each station.The gradual backswing of elastic claw during the present invention picks up reduces strike of the elastic claw to peanut plant, increases and pick up region.
Description
Technical field
The invention belongs to agricultural machinery technological field, more particularly to a kind of spring tooth bowl formula peanut pick-up unit.
Background technology
In world's oil seed production and international trade, peanut is main one of agricultural product of earning foreign exchange, and is only second to soybean and occupy
Second.In recent years, as peanut cultivation area, yield are continuously increased, the development of peanut production mechanization seems particularly heavy
It will.China starts peanut combine research in the beginning of this century, but because by tree characteristics, the harvest agricultures such as environment and planting patterns
Skill influence is not yet widely applied, and at present still based on small-sized machine and manual segmentation harvest, Peanut Harvesting Mechanization level is only
It is 23.3%.
At present, have been developed that the backpack harvester for peanut of toothed belt formula pick-up unit is filled with being picked up with spring tooth bowl formula
The harvester for peanut put；Some miniature farm machinery enterprises also develop with gear hobbing cartridge type, tine teeth belt type and teeth belt type is picked up successively
The small-sized peanut for picking up device picks up cropper.However, there is leakage and pick up rate and fall the problem of fruit rate is high in these mechanical field trials,
As the critical issue for restricting two sections of mechanical harvests of peanut.
Based on the principle comprehensive analysis that agricultural machinery agronomy combines, it is found that basic reason is：It is developing various types of in China
Type peanut picks up cropper, mainly refers to be suitable for the elastic claw type pick-up unit of rice and kernel and herbage or be picked up suitable for the teeth belt type of rape
Device is picked up, and does not further investigate the peanut pick-up unit suitable for segmentation or two sections of harvests；And U.S.'s KMC peanuts pick up cropper
Suitable for forming the native country spreading type peanut of continuous strip paving after receipts, it is difficult to put the ropy erect type of paving after being suitble to China receipts
Peanut, thus pick up harvest and seriously there are problems that plant " stopping up heap " and " throwing " in the process, fruit loss is picked up and is fallen in mechanical peanut leakage
It is extremely serious.
Invention content
For above-mentioned technical problem, the present invention provides a kind of spring tooth bowl formula peanut pick-up unit, small,
Pendulum motion can be done relative to the roller of rolling by picking up elastic claw, can complete complicated pickup action, have the preferably property picked up
Energy and adaptability, pickup rate is high, and loss late is low.
The purpose of the present invention is achieved through the following technical solutions：
A kind of spring tooth bowl formula peanut pick-up unit of the present invention including open collecting reel, roller slide track, picks up elastic claw
And side plate, the pickup elastic claw uniform intervals are set on the elastic claw axis of collecting reel, the central shaft of collecting reel passes through both sides
Left and right side plate connect bearing block respectively, roller slide track is placed in one in a side plate, is slidably connected with collecting reel, pick up
Roller is rotated along roller slide track, realizes elastic claw pickup, lifting, push and the action of backlash station.
Further, the collecting reel includes central shaft, roller disk and elastic claw axis, and roller disk is two, is symmetrically installed
On center shaft, 4 elastic claw axis are circumferentially uniformly arranged between two roller disks, one end of each elastic claw axis is all connected with crank cam
Mechanism is slidably connected with roller slide track, and the idler wheel of crank cam mechanism is placed on the roller slide track set in left plate, and crank connects
It is connected on elastic claw axis.
Further, the roller slide track is eccentric irregular ring cam set slideway, by four part arc transition connection structures
Into corresponding pickup, lifting, push and four stations of backlash, collecting reel rotate each section camber line along cam slideway respectively, shape
It moves in a circle and resultant motion of the elastic claw along center shaft axis pendulum motion around central shaft into elastic claw.
Further, the pickup, lifting, push phase angle corresponding with four stations of backlash are respectively β1~β4, wherein
Pick up station it is initial when to pick up inclination angle theta be 20~25 °, the pickup inclination angle theta is filled between elastic claw and roller Y-axis along picking up to pick up
Put the angle of direction of advance, four phase angles along being followed successively by β clockwise1=80 °~85 °, β2=95 °~100 °, β3=95 °~
115 °, β4=65 °~85 °.
Further, the angle picked up between elastic claw and crank axisIt is 55 °~60 °.
Further, the pickup station arc segmentByWithTwo sections of circular arc compositions, wherein,Section is picks up
Pick up initial segment and hug ten sections, elastic claw and roller without relative swing,For with same section roller center of circle O1For the center of circle, O1A is half
The circular arc of diameter is picked up inclination angle theta and is remained unchanged, O1A is O1Distance between the crank idler wheel center of circle, O1B is reversed for cylinder axis Y-axis
Extended line；
Section is picks up section：Its arc radius is by O1A is O by the gradual transition of quintic algebra curve1C, elastic claw turn with roller
Dynamic and relatively gentle backswing, picks up θ=0, wherein O at the end of station1At the end of C is picks up station, O1Between the crank idler wheel center of circle
Distance；
(2) station arc segment is liftedIt is with O1For the center of circle, O1C is the circular arc of radius, picks up nothing between elastic claw and roller
Relative swing；
(3) station arc segment is pushedByIt is formed with EF straightways,It is with O2(X1, Y1) it is the center of circle, O2D is
Radius, the circular arc that point D is starting point, X1Reference axis reverse extending line meets at E points with circular arc, and straight line EG is tangential onIt is and vertical
X-axis is in G points and extends to F points, and idler wheel is rolled along EF, picks up elastic claw and is tapered into upper guard board angle until pickup elastic claw is complete
It is collapsible into upper guard board；Push station terminates, wherein X1For -30~-45mm, Y1 is 25~45mm；
(4) arc segment of null stationIt is with O1F distances are to O1A gradually increased sinusoidal acceleration or quintic algebra curve
The transition camber line that method obtains.
Further, the left side plate is also associated with back side panel, and the backplate set between adjacent elastic claw is mounted on back side panel
On, between adjacent plates there are 25~30mm of gap, it is ensured that pick up elastic claw is stretched out between backplate with retraction.
Further, the backplate is made of upper and lower backplate connection arc backplate, and upper guard board is relative to roller horizontal plane
The radian of tilt angle gamma be 0.1~0.5rad, push station, when elastic claw is in contact with upper guard board, between angle α be 75 °~
80°。
Further, the crank length is 50~70mm；Radius roller is 70~120mm；It picks up elastic claw and stretches out backplate
Maximum length L be 130mm.
Further, the pickup elastic claw material is 65Mn spring steel.
Beneficial effects of the present invention are：
1. the present invention combines China's erect type peanut plant item paving feature with picking up characteristic, backplate is stretched out to pick up elastic claw
Condition premised on 130mm is impacted minimum object function with pick-up unit backplate radius minimum and pair of rollers cam slideway, is carried out
Multiple target mechanism Parameters Optimal Design obtains ideal mechanism parameter.
2. the present invention is picked up according to peanut plant and required, determine that pick up elastic claw advises in the initial attitude of each station with swinging
Rule, has redesigned cam slideway.Elastic claw is picked up when pickup station is initial in vertical direction with 25 ° of 20-, pickup process is hit by a bullet
The gradual backswing of tooth reduces strike of the elastic claw to peanut plant, increases and pick up region.
3. since peanut plant item spreads close proximity to ground, elastic claw must be included in earth's surface certain depth ability when the present invention picks up harvest
Peanut plant is picked up, therefore picks up elastic claw material selection 65Mn spring steel, has high elastic limit and yield tensile ratio, is carried in height
Permanent deformation is not likely to produce under lotus, surface has good wearability, so as to reduce the replacement frequency of elastic claw.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the B-B sectional views of Fig. 1.
Fig. 4 is parameters relationship schematic diagram of the present invention.
In figure：1st, central shaft, 2, bearing block, 3, right plate, 4, elastic claw, 5, elastic claw axis, 6, left plate, 7, roller disk, 8,
Crank, 9, idler wheel, 10, slideway, 11, sprocket wheel, 12, back side panel, 13, backplate, 14. rollers.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment 1：The present invention combines China northeast typical case's peanut varieties, plantation and two sections of harvesting technology features and based on imitative
Raw to learn principle, the ideal pose that element is picked up from analysis peanut is started with the characteristics of motion, and research chute type spring tooth bowl picks up dress
The core institution put i.e. elastic claw pick-up mechanism, and carry out the optimization of mechanism parameter.Cam is primarily determined according to elastic claw swaying movement regularity
Slideway center line tracking picks up characteristic according to peanut plant and determines optimization object function with mechanism motion characteristic, derives in mechanism
The geometrical relationship of parameters and object function optimizes mechanism parameter using objective optimization algorithm, obtains ideal mechanism
Parameter combination.
As shown in Figure 1, the present invention includes open collecting reel, roller slide track 10, picks up elastic claw 4 and side plate, it is described to pick up
It picks up 4 uniform intervals of elastic claw to be set on the elastic claw axis 5 of collecting reel, the central shaft 1 of collecting reel passes through the left and right side plate of both sides
6th, 3 bearing block 2 is connected respectively, roller slide track 10 is placed in one in a side plate, is slidably connected with collecting reel, collecting reel edge
Roller slide track 10 rotates, and drives 4 relative swing of pickup elastic claw on collecting reel in rotation, collecting reel 14 is in rotation process
In, roller slide track 10 ensure that the swing appearance of each station during pickup of elastic claw 4 in the corresponding shape in each phase angle
State, realization elastic claw 4 is picked up, lifted, pushing and the action of backlash station.
As shown in Figure 1 and Figure 2, the collecting reel 14 includes central shaft 1, roller disk 7 and elastic claw axis 5, and roller disk 7 is two
It is a, it is symmetrically mounted on central shaft 1, is circumferentially uniformly arranged 4 elastic claw axis 5 between two roller disks 7, the one of each elastic claw axis 5
End is all connected with crank cam mechanism and is slidably connected with roller slide track 10, and the idler wheel 9 of crank cam mechanism, which is placed in left plate, to be set
Roller slide track 10 on, crank 8 is connected on elastic claw axis 5.
As shown in figure 3, the roller slide track 10 is eccentric irregular ring cam set slideway, by four part arc transition connections
Form, each section camber line is corresponding respectively to be picked up, lifting, push and four stations of backlash, collecting reel is along 10 turns of cam slideway
It is dynamic, it forms elastic claw 4 and moves in a circle around central shaft 1 resultant motion moved with elastic claw 4 along 1 axis axis oscillating of center.
As shown in figure 4, it is described pick up, lifting, corresponding with four stations of the backlash phase angle of push are respectively β1-β4, wherein
Pick up station it is initial when to pick up inclination angle theta be 20-25 °, this example θ=20, the pickup inclination angle theta is picks up elastic claw and roller Y-axis
Between along pick-up unit direction of advance angle, four phase angles of this example along being followed successively by β clockwise1=84 °, β2=96 °, β3=
111 °, β4=69 °, the angle picked up between 8 axis of elastic claw 4 and crankIt is 57 °.
(1) the pickup station arc segmentByWithTwo sections of circular arc compositions, wherein, A points rise to pick up station
Initial point, C points is pick up station end point；Section hugs ten sections to pick up initial segment,Section is picks up section；
Picking up initial segmentSection, elastic claw 4 and roller are hugged without relative swing, to increase elastic claw and pick up chance,For
With O1For the center of circle, O1Circular arcs of the A for radius, O1A is O1Distance between 9 center of circle of crank idler wheel, O1B is reversed for cylinder axis Y-axis
Extended line, idler wheel 9 existInterior slip is picked up elastic claw 4 and is remained unchanged with radial direction angle theta.Picking up sectionSection, elastic claw 4 with
With respect to backswing while roller rotates, θ=0 at the end of station is picked up,Section is arc radius by O1A passes through quintic algebra curve
Gradual transition is O1C makes the gentle backswing of pickup elastic claw, and to reduce strike of the elastic claw to peanut plant, region is picked up in increase, together
When, the impact force of mitigation pair of rollers cam slideway；Wherein O1At the end of C is picks up station, O1Between the crank idler wheel center of circle away from
From；
(2) station arc segment is liftedIt is with O1For the center of circle, O1C is the circular arc of radius, picks up nothing between elastic claw and roller
Relative swing；Elastic claw 4 is picked up to existIt is steady to rise between roller without relative swing.Idler wheel 9 moves to D points lifting movement knot
Beam, picks up elastic claw and upper guard board is substantially vertical.
(3) station arc segment is pushedByIt is formed with EF straightways, whereinIt is with O2(X1, Y1) for the center of circle,
O2The circular arc that D is radius, point D is starting point, X1 reference axis reverse extending lines meet at E points with circular arc, and straight line EG is tangential onAnd
Vertical X axis is in G points and extends to F points, and idler wheel is picked up elastic claw and tapered into upper guard board angle until picking up bullet along EF sections of rollings
Tooth is completely retracted into upper guard board；Idler wheel present position is F points at this time, and push station terminates, and picks up the folder of elastic claw 4 and upper guard board
Angle α clamps down on angle more than metal surface to what peanut plant interacted, avoids that clamping phenomenon occurs at the end of station is pushed；Its
Middle X1For -30~-45mm, Y1For 25~45mm；This example takes X1=-39mm, Y1=31mm；
(4) arc segment of null stationIt is with O1F distances are to O1A gradually increased sinusoidal acceleration or quintic algebra curve
The transition camber line that method obtains.
The left and right side plate 6,3 is also associated with back side panel 12, and the backplate 13 set between adjacent elastic claw 4 is mounted on back side panel
On 12, there are gap 26mm between adjacent plates 13, it is ensured that picks up elastic claw 4 and is stretched out between backplate 13 with retracting.
The backplate 13 is made of upper and lower backplate connection arc backplate, and upper guard board is relative to the tilt angle gamma of roller horizontal plane
Radian is 0.1~0.5rad, and this example takes 0.3rad；Push station, when elastic claw is in contact with upper guard board, between angle α be 75 °
~80 °, this example α=78 °.
The material for picking up elastic claw 4 is 65Mn spring steel.In order to which backplate radius minimum is made to be impacted most with pair of rollers slideway
Small, the crank length is 50~70mm, this example selection 50mm；Radius roller is 70~120mm, this example selection 99mm；It picks up
The maximum length L that elastic claw stretches out backplate is 130mm, and elastic claw length L=203mm is picked up in this example selection.
The present invention provides power using tractor universal joint, connects firmly into rigid body with crank 8 due to picking up elastic claw axis 5, is connected
Place is hinged with roller disk 7, and the idler wheel 9 of 8 end of crank rolls in fixed cam slideway 10, and 10 shape of cam slideway is directly controlled
4 swaying movement regularity of elastic claw processed.During pick-up unit operation, collecting reel rotate one week, each elastic claw 4 be continuously finished in succession " pickup ",
One of " lifting ", " push " and " backlash " 4 stations picks up cycle, completes the pickup to peanut plant.
(1) it picks up station and (picks up elastic claw phase angle β1)：When elastic claw 4 picks up initial, pickup elastic claw 4 keeps centainly leaning forward slotting
Enter between ground superficial and plant, then elastic claw gradually tends to be horizontal, in the synthesis that collecting reel rotation and unit horizontally advance
Under speed effect, pick up 4 tip speed of elastic claw and start gradually upwards, so that peanut plant is provoked, to be different from herbage, rice etc.
Spring tooth bowl pick-up unit, pickup inclination angle when present invention pickup station is initial, the 4 gradual backswing of elastic claw during pickup, with
Increase elastic claw 4 picks up region during pickup to hugging for peanut plant, while reduces the hitting dynamics to peanut pod, reaches and subtracts
Few leakage is picked up region and is lost with peanut pod, picks up θ=0 at the end of station.
(2) it lifts station and (picks up elastic claw phase angle β2)：It is initial to lift station, picks up elastic claw 4 and roller radial direction one
It causes and is in horizontality；With the rotation of roller, increment linear velocity from becoming back upper place vertically upward, so as to by peanut plant
It rises and send to 13 top of backplate.
(3) it pushes station and (picks up elastic claw phase angle β3)：It is initial to push station, picks up elastic claw 4 and is substantially at approximate vertical
Peanut plant is done push movement by state, relative velocity direction backward in after horizontal direction；In the push station later stage, elastic claw 4 is picked up
Gradually radially there is larger hypsokinesis relative to roller, in order to avoid pick up elastic claw 4 forms pincers angle till with respect to backplate 13, be unfavorable for peanut
Plant moves backward along backplate, and avoids being jammed among the gap of adjacent plates.
(4) backlash station (picks up elastic claw phase angle β4)：It is dynamic with not stalling for roller, the pickup elastic claw 4 to do relative motion
It completes to pick up, after elevator and push station, is returning to and pick up station initial position, prepare to carry out next cycle of picking up.
Although picking up elastic claw 4 around here does not contact peanut plant and ground, it is larger relative to the oscillating angular acceleration of roller, so as to the greatest extent
Soon original pickup position is kept when next pickup station starts.
Embodiment 2：This example is as different from Example 1：In this example pick up station it is initial when pick up inclination angle theta be 25 °, four
A phase angle along being followed successively by β clockwise1=85 °, β2=100 °, β3=98 °, β4=77 °；The pickup elastic claw and crank axis
Between angleIt is 55 °.Between adjacent plates there are gap 30mm, it is ensured that pick up elastic claw is stretched out between backplate with retraction.Upper shield
Plate is 0.26rad relative to the radian of the tilt angle gamma of roller horizontal plane, pushes station, when elastic claw is in contact with upper guard board, between
Angle α be 76 °.Crank length is 50mm；, pick up elastic claw length 203mm.X1For -35mm, Y1For 36mm.
Embodiment 3：This example is as different from Example 1：In this example pick up station it is initial when pick up inclination angle theta be 25 °, four
A phase angle along being followed successively by β clockwise1=80 °, β2=95 °, β3=110 °, β4=75 °；The pickup elastic claw and crank axis
Between angleIt is 58 °.Between adjacent plates there are gap 28mm, it is ensured that pick up elastic claw is stretched out between backplate with retraction.Upper guard board
Radian relative to the tilt angle gamma of roller horizontal plane is 0.21rad, pushes station, when elastic claw is in contact with upper guard board, between
Angle α is 79.5 °.Crank length is 50mm, picks up elastic claw length 203mm.X1For -41mm, Y1For 29mm.
Claims (9)
1. a kind of spring tooth bowl formula peanut pick-up unit, it is characterised in that：Including open collecting reel, roller slide track, pickup
Elastic claw and side plate, the pickup elastic claw uniform intervals are set on the elastic claw axis of collecting reel, the backplate set between adjacent elastic claw,
The backplate is made of upper and lower backplate connection arc backplate, and the central shaft of collecting reel passes through the left and right side plate of both sides to connect respectively
Spindle bearing, roller slide track are placed in one in a side plate, are slidably connected with collecting reel, and collecting reel turns along roller slide track
It is dynamic, realize elastic claw pickup, lifting, push and the action of backlash station；
(1) station arc segment A ⌒ C are picked up to be made of two sections of circular arcs of A ⌒ B and B ⌒ C, wherein, B sections of A ⌒ are hugged to pick up initial segment
Ten sections, for elastic claw with roller without relative swing, A ⌒ B are with same section roller center of circle O1For the center of circle, O1A is the circular arc of radius, is picked up
Inclination angle theta remains unchanged, O1A is O1Distance between the crank idler wheel center of circle, O1B is cylinder axis Y-axis reverse extending line；
C sections of B ⌒ is pick up section：Its arc radius is by O1A is O by the gradual transition of quintic algebra curve1C, elastic claw with roller rotate and
θ=0, wherein O at the end of station are picked up in relatively gentle backswing1At the end of C is picks up station, O1Between the crank idler wheel center of circle away from
From；
(2) lifting station arc segment C ⌒ D：It is with O1For the center of circle, O1C is the circular arc of radius, is picked up between elastic claw and roller without phase
To swinging；
(3) push station arc segment D ⌒ F：It is made of D ⌒ E and EF straightways, D ⌒ E are with O2(X1, Y1) it is the center of circle, O2D is half
Diameter, the circular arc that point D is starting point, X1Reference axis reverse extending line meets at E points with circular arc, and straight line EG is tangential on D ⌒ E and vertical X
Axis is in G points and extends to F points, and idler wheel is rolled along EF, picks up elastic claw and is tapered into upper guard board angle until pickup elastic claw is complete
It is collapsible into upper guard board；Push station terminates, wherein X1For -30~-45mm, Y1 is 25~45mm；
(4) the arc segment F ⌒ A of null station are with O1F distances are to O1A gradually increased sinusoidal acceleration or quintic algebra curve side
The transition camber line that method obtains.
2. spring tooth bowl formula peanut pick-up unit according to claim 1, it is characterised in that：The collecting reel includes center
Axis, roller disk and elastic claw axis, roller disk are two, are symmetrically installed on center shaft, 4 are circumferentially uniformly arranged between two roller disks
A elastic claw axis, one end of each elastic claw axis are all connected with crank cam mechanism and are slidably connected with roller slide track, crank cam mechanism
Idler wheel is placed on the roller slide track set in left plate, and crank is connected on elastic claw axis.
3. spring tooth bowl formula peanut pick-up unit according to claim 2, it is characterised in that：The roller slide track for it is eccentric not
Regular ring cam set slideway is connected and composed by four part arc transitions, and each section camber line is corresponding respectively to be picked up, lifting, pushes
With four stations of backlash, collecting reel is rotated along cam slideway, is formed elastic claw and is moved in a circle around central shaft with elastic claw along center
The resultant motion of axis axis oscillating movement.
4. spring tooth bowl formula peanut pick-up unit according to claim 3, it is characterised in that：It is described pick up, lifting, push and
The corresponding phase angle of four stations of backlash is respectively β1~β4, wherein pick up station it is initial when pick up inclination angle theta be 20~25 °, institute
State pick up inclination angle theta be pickup elastic claw and roller Y-axis between along pick-up unit direction of advance angle, four phase angles along clockwise according to
Secondary is β1=80 °~85 °, β2=95 °~100 °, β3=95 °~115 °, β4=65 °~85 °.
5. spring tooth bowl formula peanut pick-up unit according to claim 3, it is characterised in that：The pickup elastic claw and crank axle
Angle between lineIt is 55 °~60 °.
6. spring tooth bowl formula peanut pick-up unit according to claim 1, it is characterised in that：The left side plate is also associated with
Back side panel, the backplate set between adjacent elastic claw are mounted on back side panel, between adjacent plates there are 25~30mm of gap, it is ensured that pick up
Elastic claw is picked up to be stretched out between backplate with retracting.
7. spring tooth bowl formula peanut pick-up unit according to claim 6, it is characterised in that：The upper guard board of the backplate is opposite
It is 0.1~0.5rad in the radian of the tilt angle gamma of roller horizontal plane, pushes station, when elastic claw is in contact with upper guard board, between
Angle α is 75 °~80 °.
8. according to spring tooth bowl formula peanut pick-up unit described in claim 1-7, it is characterised in that：It is described
Crank length is 50~70mm；
Radius roller is 70~120mm；
The maximum length L for picking up elastic claw stretching backplate is 130mm.
9. spring tooth bowl formula peanut pick-up unit according to claim 1, it is characterised in that：It is described pickup elastic claw material be
65Mn spring steel.
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| CN201610133830.0A CN105638068B (en) | 2016-03-09 | 2016-03-09 | A kind of spring tooth bowl formula peanut pick-up unit |
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|---|---|---|---|
| CN201610133830.0A CN105638068B (en) | 2016-03-09 | 2016-03-09 | A kind of spring tooth bowl formula peanut pick-up unit |
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| CN105638068A CN105638068A (en) | 2016-06-08 |
| CN105638068B true CN105638068B (en) | 2018-07-03 |
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| CN114557185B (en) * | 2021-11-23 | 2024-04-09 | 吉林农业大学 | Fixed-movable tooth combined stepwise peanut pickup device |
| CN114793595B (en) * | 2022-04-04 | 2023-10-31 | 辽宁石油化工大学 | Spiral tooth roller type peanut pickup device |
| CN114982474B (en) * | 2022-05-27 | 2023-05-05 | 江苏大学 | Self-propelled broccoli tail vegetable cutting and leaf peeling combined harvesting device |
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