CN206260288U - A kind of wear-resisting potato digger plow of bionic, drag-reducing - Google Patents
A kind of wear-resisting potato digger plow of bionic, drag-reducing Download PDFInfo
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- CN206260288U CN206260288U CN201621398665.3U CN201621398665U CN206260288U CN 206260288 U CN206260288 U CN 206260288U CN 201621398665 U CN201621398665 U CN 201621398665U CN 206260288 U CN206260288 U CN 206260288U
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- shovel
- shovel face
- spade
- drag
- face
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Abstract
A kind of wear-resisting potato digger plow of bionic, drag-reducing belongs to agricultural machinery technological field, and the front end trigonum of burying of shovel face is provided with the excavation surface edge of shovel that buries in the utility model；Spade is provided with 2 counterbores, spade lower end and shovel face upper end rounding off；Spade two ends are transition arc, and in longitudinal central axis line, transition arc radius are in the center of circle of transition arc：90‑120mm；Spade is planar structure, and the shape of shovel face is on the symmetrical distribution of longitudinal central axis line；Shovel face has cross-sectional profiles curve A and Xray films curve C, and the thickness h of shovel face is 4 6mm, and shovel face buries front end excavation surface in trigonum, and its angle theta is：50‑70°；Edge of shovel upper end is provided with the knuckle that radius R is 4mm；Being provided with span between edge of shovel bottom and horizontal plane is：The clearance angle δ of 3~5 ° of δ ∈；The utility model strong applicability, is remarkably improved bury ability and the drag-reducing abrasion-resisting performance of potato digger plow.
Description
Technical field
The utility model belongs to agricultural machinery technological field, and in particular to a kind of wear-resisting potato digger plow of bionic, drag-reducing.
Background technology
It is to excavate potato wedges and under rib thrust by potato wedges and subsidiary mud that the main task of potato digger plow is
Soil is transported to separation grading plant and is for further processing.Excavation performance is one of evaluation potato harvester performance important
Index, and digger blade is the principal element that performance and potato picker overall performance are excavated in influence.China is vast in territory, potato
The soil texture in class producing region is different with plantation agronomic conditions, such as China's In Soils of Northeastern it is viscous weigh, many stones of the Northwest's soil with
And southern area soil chiltern, overseas equipment do not adapt to the complicated regional condition of China, it is difficult to large-scale popularization application at home.
Compared to external potato type harvesting machinery, domestic type can't completely adapt to the demand of production development, be primarily present three aspects
Problem：One is poor reliability.Potato type harvesting machinery soil environment is complicated, and single type digging mechanism is less efficient, it is impossible to reach
Use basic demand.Two is bad adaptability.The potato type harvesting machinery excavation portion under the conditions of different soil and different plants
Part can not effectively solve that excavating resistance is big, soil adhesion serious, sandstone abrasion shovel face the problems such as.Three is not enough power reserve.
Excavating depth increases and the big plot operation of soil specific resistance, it is difficult to meet the power needs that potato wedges is excavated and be separate.
Existing potato picker digger blade form is single, simple structure, and it is mostly grafter (triangle to excavate shovel face shape
Shovel, bar shaped shovel), concave surface shovel, flute profile shovel, these traditional potato digger plows are characterised by that the shape of its cross section is trapezoidal
Or it is near trapezoidal, this kind of shape of cross section cause digger blade when potato wedges is excavated because the real contact area of soil and shovel face is big and
Clay seriously causes excavation soil-entering resistance big, and then resistance is big when causing digger blade operation, high energy consumption, breaks ground, hack ability
Difference, potato-damaging rate is higher, under the conditions of complicated ground condition, there is bad adaptability, the low problem of reliability.Therefore, the utility model
Technical problem to be solved is to design a kind of bionic, drag-reducing potato digger plow of wavy cross-section to solve current potato
Cropper excavating resistance is big, high energy consumption, hack ability of breaking ground, and takes off the technical problems such as soil effect difference, improves potato picker
Overall operation performance and efficiency.
The content of the invention
The purpose of this utility model is to provide a kind of bionic, drag-reducing digger blade of potato picker wavy cross-section, can have
Effect ground turn up soil and potato wedges, good with penetration performance, it is good to take off soil effect, breaks ground, hack ability is strong and excavating resistance is small etc.
Feature, can improve the operating efficiency and potato picker overall performance for excavating potato wedges.To achieve these goals, this practicality is new
The technical scheme that type is taken is：
The utility model is made up of shovel face 1 and spade 2, it is characterised in that：The front end trigonum of burying of the shovel face 1 is provided with
Bury the excavation surface edge of shovel 5；Spade 2 is provided with 2 counterbores 4, the lower end of spade 2 and the upper end rounding off of shovel face 1；The two ends of spade 2 are
Transition arc, in longitudinal central axis line 3, transition arc radius are in the center of circle of transition arc：90-120mm；Spade 2 is planar junction
Structure, the shape of shovel face 1 is on the symmetrical distribution of longitudinal central axis line 3；Shovel face 1 has cross-sectional profiles curve A and longitudinal section
Contour curve C, the thickness h of shovel face 1 is 4-6mm, and shovel face 1 buries front end excavation surface in trigonum, and its angle theta is：50-700；Shovel
The upper end of sword 5 is provided with the knuckle that radius R is 4mm.
The mathematic(al) representation of described cross-sectional profiles curve A is：
In formula：2.5 fluctuation amplitudes for representing shovel face waveform；0.3 circular frequency for representing shovel face waveform；T is shovel face waveform
Radian；It is the first phase of the expression formula, the border span of t is -30 π~30 π, whole digger blade matrix cross sections wheel
Exterior feature is presented wave-like, is substantially distinguished from existing potato digger plow trapezoidal cross-section structure.
The wear-resisting potato digger plow of described bionic, drag-reducing, longitudinal arcuate structure contour line of its matrix is based on before mole cricket
The bionical Inverse seeking design of sufficient pawl toe outer end contour line, the mathematic(al) representation of the Xray films curve C is：
Y=4 × 10-6x3-0.0018x2+0.5186x
In formula：The border span of x is 100-400mm.
Through inspection, the degree of fitting of longitudinal contour curve of matrix is R2=0.9986.
The digger blade bury excavation surface front end the bottom of the edge of shovel 5 and horizontal plane between be provided with span and be：δ ∈ 3~
5 ° of clearance angle δ.
The contour line of the longitudinal section arcuate structure of the utility model matrix is outer based on Oriental burmeister front foot outer end pawl toe
The bionical Inverse seeking design of contour line.Wherein bionical matrix arcuate structure is respectively provided with the geometry of specific curvature, by three-dimensional
Scanning, then the fitting side that digger blade matrix arcuate structure outboard wheel profile is obtained through least square method and two-dimensional Cartesian coordinate system
Journey.The biomimetic features can imitate Oriental burmeister front foot digging mechanism, be conducive to digger blade fast power-saving to bury, thus reduce into
Soil resistance.
The digger blade shovel face of wavy cross-section of the present utility model is that the base blood clam bionical reverse of cross-sectional outer contour line sets
Meter, wherein bionical shovel face has the geometry of specific curvature, by 3-D scanning, then through least square method and two-dimentional right angle
Coordinate system obtains the fit equation of shovel face cross-sectional profiles line.The housing profile of Chlamys farreri is imitated in the bionical section of waveform, can
To improve the wearability of shovel face.Due to the wavy cross-section structure of shovel face, the bionic geometric structure can not only change soil and exist
With the motion state of shovel face, moreover it is possible to change the contact angle of soil and shovel face.For example go up shovel face bulge-structure be conducive to breaking ground with
Hack, is provided simultaneously with guiding the effect of soil block shunting, is conducive to the conveying of soil particle and separates, and reduces soil viscous with shovel face
Attached power and frictional force, so as to play drag-reduction effect.Meanwhile, lower tactile mamoty face advantageously reduces soil particle with lower tactile mamoty face
The real contact area on surface, reaches reduction soil and the adhesion and frictional resistance in lower tactile mamoty face, makes soil along excavation
The forms of motion of shovel shovel face is changed into by original sliding contact and is in rolling contact, and largely reduces friction of the soil to shovel face
Resistance.Above-mentioned the reason for, will all reduce the adhesion and resistance that up and down touch mamoty face surface of the soil to whole digger blade matrix,
Make shovel face that wearability advantage high is integrally presented.
The utility model Bionic arc digger blade matrix is combined design with wavy cross-section shovel face, can effectively fast power-saving
Bury and turn up soil and potato wedges, solve existing digger blade and have that soil-entering resistance is big, shovel face clay phenomenon is serious, break ground, broken
Native ability, the problems such as potato-damaging rate is higher, with penetration performance it is good, break ground, hack ability is strong, de- soil effect is good, wear-resisting and leads
Draw resistance it is small the characteristics of, potato digging efficiency and potato picker overall performance can be improved.
The beneficial effect of the utility model patent is:One, the utility model improve existing potato digger plow face
Geometry, is bionical prototype by the geometry of the contour line of blood clam cross-sectional outer, devises the bionical digging of wavy cross-section
Pick shovel, such structure is conducive to the digger blade can smoothly to be broken ground in digging, hack, reach wear-resisting effect, and favorably
The soil in shovel face is shunted to transfer separation device below in guiding, so as to improve de- soil nature energy.The cross section of whole shovel face
It is waveform, such structure can reduce the contact area of soil and tactile mamoty face, and when can improve digger blade digging
Soil stress distribution, the soil shape that is mined of change reduces soil adhesion and friction, so as to reduce excavating resistance, improves
Wearability, experiments verify that, improve more than 15% than traditional existing potato digger plow drag-reducing abrasion-resisting.
Secondly, digger blade matrix of the present utility model longitudinal direction arcuate structure design be based on Oriental burmeister front foot pawl toe foreign steamer
The wide bionical reverse of curve and obtain, using the digging performance that Oriental burmeister front foot pawl toe is excellent, improve digger blade penetration performance.
Brief description of the drawings
Fig. 1 is the shaft side figure of the wear-resisting potato digger plow of bionic, drag-reducing
Fig. 2 is the expansion plan of the wear-resisting potato digger plow of bionic, drag-reducing
Fig. 3 is section B-B view in Fig. 1
Fig. 4 is the enlarged drawing of D meanings in Fig. 3
Wherein：A. the counterbore of 1. shovel face of cross-sectional profiles line C. Xray films line, 2. spade, 3. longitudinal central axis line 4.
5. bury the excavation surface edge of shovel
Specific embodiment
Shown as shown in Figure 1, Figure 3 and Figure 4, the described wear-resisting potato digger plow of a kind of bionic, drag-reducing, by 2 groups of shovel face 1, spade
Into the front end trigonum of burying of the shovel face 1 is provided with the excavation surface edge of shovel 5 that buries；Spade 2 is provided with 2 counterbores 4, the lower end of spade 2
With the upper end rounding off of shovel face 1；The two ends of spade 2 be transition arc, the center of circle of transition arc in longitudinal central axis line 3, transition circle
Arc radius are：90-120mm；Spade 2 is planar structure, and the shape of shovel face 1 is on the symmetrical distribution of longitudinal central axis line 3；Shovel
Face 1 has a cross-sectional profiles curve A and Xray films curve C, and the thickness h of shovel face 1 is 4-6mm, and shovel face 1 is buried front end excavation
Face is in trigonum, and its angle theta is：50-70°.The upper end of the edge of shovel 5 is provided with the knuckle that radius R is 4mm.The base material of whole shovel face
Be the steel plate of 65Mn, shovel face structure can be completed by linear cutter, or punching press and obtain, spade counterbore directly on drilling machine process
And obtain.
As shown in Figure 1 and Figure 2, the wear-resisting potato digger plow of described bionic, drag-reducing, the cross-sectional profiles curve A of shovel face 1 is
Based on the bionical contoured design of blood clam cross-sectional profiles, the mathematic(al) representation of described cross-sectional profiles curve A is：
In formula：2.5 fluctuation amplitudes for representing shovel face waveform；0.3 circular frequency for representing shovel face waveform；T is shovel face waveform
Radian；It is the first phase of the expression formula, the border span of t is -30 π~30 π.Whole digger blade matrix cross sections wheel
Exterior feature is presented wave-like, cross-sectional structure can by linear cutter or on the basis of sheet material punching press and obtain.Whole digger blade
It is substantially distinguished from existing potato digger plow trapezoidal cross-section structure.
Wavy cross-section shovel face as shown in Figure 1 can not only change the contact angle of soil and shovel face when operation is buried, and make
Soil is changed into rolling in the forms of motion of shovel face from sliding, and can also carry out the hack that breaks ground, and prevents soil adhesion in shovel face,
So as to reduce digger blade operation resistance；Geometry monomer can reduce the contact area of soil particle and shovel face, while can also be to shovel face
Soil carries out shunting guiding, goes to glue beneficial to the de- soil of shovel face, the frictional force of resistance and soil when above-mentioned reason makes digger blade operation
Reduce.Meanwhile, wavy cross-section biomimetic features can also improve the wearability of digger blade.
As shown in figure 3, the wear-resisting potato digger plow of described bionic, drag-reducing, longitudinal arcuate structure contour line of its matrix is
Based on the mole cricket front foot pawl toe outer end bionical Inverse seeking design of contour line, the mathematic(al) representation of the Xray films curve C is：
Y=4 × 10-6x3-0.0018x2+0.5186x
In formula：The border span of x is 100-400mm.
Through inspection, the degree of fitting of longitudinal contour curve of matrix is R2=0.9986.The biomimetic features are using before mole cricket
The excellent digging ability of sufficient pawl toe, beneficial to can as far as possible reduce soil resistance when excavating soil, is finally reached labour-saving purpose, from
And reduce and excavate soil-entering resistance and tractive resistance.
The wear-resisting potato digger plow of described bionic, drag-reducing as shown in Figure 3, Figure 4, the digger blade buries excavation surface front end
The bottom of the edge of shovel 5 and horizontal plane between be provided with span and be：The clearance angle δ of 3~5 ° of δ ∈.Clearance angle δ is to cause the edge of shovel to it
The principal element being compacted with side soil below, this structure not only can guarantee that the ability of burying of digger blade, and ensure to wedge
Under conditions of the amount of overcoming is big, digger blade end of burying can change the shape of compacting soil, reduce soil adhesion, reach the mesh of drag reduction
's.
Claims (4)
1. a kind of wear-resisting potato digger plow of bionic, drag-reducing, is made up of shovel face (1) and spade (2), it is characterised in that：The shovel face
(1) front end trigonum of burying is provided with the excavation surface edge of shovel (5) that buries；Spade (2) is provided with 2 counterbores (4), spade (2) lower end
With shovel face (1) upper end rounding off；Spade (2) two ends be transition arc, the center of circle of transition arc in longitudinal central axis line (3),
Transition arc radius are：90-120mm；Spade (2) is planar structure, and the shape of shovel face (1) is left on longitudinal central axis line (3)
It is right symmetrical；With cross-sectional profiles curve A and Xray films curve C, the thickness h of shovel face (1) is 4-6mm to shovel face (1),
Shovel face (1) buries front end excavation surface in trigonum, and its angle theta is：50-70°；The edge of shovel (5) upper end is provided with the mistake that radius R is 4mm
Cross fillet.
2. the wear-resisting potato digger plow of bionic, drag-reducing as described in claim 1, it is characterised in that：Described cross-sectional profiles are bent
The mathematic(al) representation of line A is：
In formula：2.5 fluctuation amplitudes for representing shovel face waveform；0.3 circular frequency for representing shovel face waveform；T is the radian of shovel face waveform
Angle；It is the first phase of the expression formula, the border span of t is -30 π~30 π.
3. the wear-resisting potato digger plow of bionic, drag-reducing as described in claim 1, it is characterised in that：The Xray films curve
The mathematic(al) representation of C is：
Y=4 × 10-6x3-0.0018x2+0.5186x
In formula：The border span of x is 100-400mm.
4. the wear-resisting potato digger plow of bionic, drag-reducing as described in claim 1, it is characterised in that：The digger blade buries excavation
The edge of shovel (5) held in front is provided with span and is between bottom and horizontal plane：The clearance angle δ of 3~5 ° of δ ∈.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398665.3U CN206260288U (en) | 2016-12-20 | 2016-12-20 | A kind of wear-resisting potato digger plow of bionic, drag-reducing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398665.3U CN206260288U (en) | 2016-12-20 | 2016-12-20 | A kind of wear-resisting potato digger plow of bionic, drag-reducing |
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| CN206260288U true CN206260288U (en) | 2017-06-20 |
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| CN201621398665.3U Expired - Fee Related CN206260288U (en) | 2016-12-20 | 2016-12-20 | A kind of wear-resisting potato digger plow of bionic, drag-reducing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012716A (en) * | 2019-04-19 | 2019-07-16 | 昆明理工大学 | A kind of bionical digger blade of knob tubers |
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2016
- 2016-12-20 CN CN201621398665.3U patent/CN206260288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012716A (en) * | 2019-04-19 | 2019-07-16 | 昆明理工大学 | A kind of bionical digger blade of knob tubers |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |