CN206294525U - A kind of bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade - Google Patents
A kind of bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade Download PDFInfo
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- CN206294525U CN206294525U CN201621434333.6U CN201621434333U CN206294525U CN 206294525 U CN206294525 U CN 206294525U CN 201621434333 U CN201621434333 U CN 201621434333U CN 206294525 U CN206294525 U CN 206294525U
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- crowning
- mamoty
- tactile
- concave face
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Abstract
A kind of bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade, category agricultural machinery technological field, the integrated basal body structure of the utility model, it is made up of fixing threaded hole, upper tactile mamoty face, crowning I, concave face I, spade, lower tactile mamoty face, crowning II, concave face II, matrix cross sections are arcuate structure, it is lower tactile mamoty face in inner concavity one side in convex arcuation one side to touch soil face on digger blade.Crowning I, concave face I are symmetrically and evenly distributed on upper tactile mamoty face on axis;Crowning II, concave face II are symmetrically and evenly distributed on lower tactile mamoty face on axis;, with concave face I for arc transition is connected, crowning II is with concave face II for arc transition is connected for crowning I.Spade is provided with 2 fixing threaded holes.The utility model structure is novel, strong applicability, can significantly reduce the clay ability of potato digger plow, and raising is buried and drag reduction desorption performance, significantly improved compared to traditional potato digger plow visbreaking resistance-reducing performance.
Description
Technical field
The utility model belongs to agricultural machinery technological field, and in particular to a kind of bionical reducing adhesion resistance potato picker is excavated
Shovel.
Background technology
The function of potato digger plow is to excavate potato wedges, and potato wedges is conveyed into separator.It is to evaluate to excavate performance
One important indicator of potato harvester performance, it is close with the factor such as harvesting equipment structure, job parameter, critical component material
Cut is closed.The Northeast is one of China's potato planting home court, and potato picker is to realize that the volume increase of potato planting family increases
The important leverage of receipts, but northeast is generally viscous heavy loam, during results, potato digger plow soil adhesion phenomenon is very prominent
Go out, had a strong impact on the benefit of this area's potato harvest.Compared to external potato type harvesting machinery, domestic type can't be complete
The full demand for adapting to production development, is primarily present three aspect problems:One is poor reliability.Potato type harvesting machinery soil environment is answered
Miscellaneous, single type digging mechanism is less efficient, it is impossible to reaches and uses basic demand.Two is bad adaptability.In different soil
And potato type harvesting machinery digging element can not effectively solve that excavating resistance is big, soil adhesion serious, sand under the conditions of different plants
The problems such as stone mill damages shovel face.Three is not enough power reserve.Increase and the big plot operation of soil specific resistance in excavating depth, it is difficult to full
The power needs that sufficient potato wedges is excavated and be separate.
Existing potato picker digger blade form is single, simple structure, and when potato wedges is excavated, clay phenomenon is serious, buries
Resistance is big, breaks ground, hack ability, under the conditions of complicated ground condition, there is bad adaptability, the low problem of reliability.
The content of the invention
The purpose of this utility model be to provide one kind can effectively turn up soil and potato wedges, penetration performance is good, and visbreaking is anti-sticking
Excellent performance, de- soil effect is good, and excavating resistance is small, can improve the operating efficiency and reduction potato picker excavation energy for excavating potato wedges
The bionical reducing adhesion resistance potato picker digger blade of consumption.
The utility model is by fixing threaded hole 1, upper tactile mamoty face 2, crowning I 3, concave face I 4, spade 5, lower tactile mamoty face
7th, crowning II 8, concave face II 9 are constituted, wherein upper tactile mamoty face 2 is provided with crowning I 3, concave face I 4;Tactile mamoty face 7 down
It is provided with crowning II 8, concave face II 9;The a-b curves of crowning I 3 and crowning II 8 are contour line C, wherein contour line C two
The line (straight line) at end is 24 ° with the angle α of axis 6.
The i-j curves of cross section are contour line G in upper tactile mamoty face 2;The side in upper tactile mamoty face 2 is d-k straight lines;It is upper to touch
Buried in mamoty face 2 front end side d-c curves be edge wheel profile D;Front end is buried for c-g straight lines in upper tactile mamoty face 2, its
The d points of middle d-c curves overlap with the d points of d-k straight lines, and the c points of d-c curves overlap with the c points of c-g straight lines.
Spade 5 intersects at straight line e-k with upper tactile mamoty face 2, and the wherein length h-g of shovel face is 240-270mm, upper tactile mamoty
The side length d-k in face 2 is 140-160mm;The thickness δ of shovel face substrate is 6-9mm.
D-k straight lines, d-c curves, c-g straight lines, crowning I 3, concave face I 4, crowning II 8 and concave face II 9 on
Axis 6 is symmetrical.
Bottom is provided with the edge of shovel 10 behind the end of burying in tactile mamoty face 7 down;The end of burying in tactile mamoty face 7 is provided with the wedge-shaped edge of shovel down
11。
The mathematic(al) representation of the edge wheel profile D is:Y=-0.053x2+ 3.7768x, in formula:X is:40~85mm.
The mathematic(al) representation of the contour line G is:Y=0.00283x2- 1.2887x, in formula:X is:135~320mm.
The upper tactile mamoty face 2 is the crowning of arc-shaped, and lower tactile mamoty face 7 is the concave face of arc-shaped, circular arc end points
I, j are symmetrically arranged on central point O, and the spacing of circular arc end points i-j is L0, center of arc's point is with the spacing of i-j straight lines
H0, and L0:H0=11.47:1.
The crowning I 3 is circular sliding slopes, wherein crowning I 3 with concave face I 4, crowning II 8 and concave face II 9
Fillet r 0.2~0.3mm of ∈, the width B of crowning I are provided with the upper sideline of crowning II 81With the width B of concave face II2Than for:B1:B2
=5:1;The height h of crowning I 3 and crowning II 81For:h10.3~0.5mm of ∈;Concave face I 4 and concave face II 9 are circular arc knot
Structure, wherein arc radius r1For:r1The depth capacity h of 0.20~0.35mm of ∈, concave face I 4 and concave face II 92For:h2∈0.1
~0.3mm.
The mathematic(al) representation of the contour line C is:Y=-0.01106x2+ 1.9801x, in formula:X is:- 20~100mm.
The contour line C presses the width B of crowning I1The width B of+concave face II2Distance parallel be distributed in the tactile He of mamoty face 2
Down on tactile mamoty face 7.
Clearance angle φ between the described edge of shovel 10 and horizontal plane is:3 °~6 ° of φ ∈;The wedge angle of the wedge-shaped edge of shovel 11
For:20 °~40 ° of θ ∈;The absolute growth W of the wedge-shaped edge of shovel 11 is:30~50mm of W ∈.
Digger blade of the present utility model is the film quality leaf sheath Bionic Design based on rhizoma imperatae periphery, is tested by Electronic Speculum and seen
Survey, determine the micro-geometry of rhizoma imperatae periphery film quality leaf sheath, then bionical digger blade, partial trace warp are designed through equal proportion
Least square method and two-dimensional Cartesian coordinate system obtain the fit equation of outboard wheel profile.The biomimetic features can imitate rhizoma imperatae film
The visbreaking drag reduction mechanisms of matter leaf sheath, are conducive to digger blade to bury, and reduce soil-entering resistance and clay phenomenon.
Matrix cross sections arcuate structure contour line G of the present utility model is the very section arc based on rhizoma imperatae film quality leaf sheath
Bionic structure reverse and come, film quality leaf sheath as protection rhizoma imperatae pith, directly connect with soil in soil throughout the year
Touch without clay, overcome soil resistance to ensure the smooth growth of rhizoma imperatae.The tip of film quality leaf sheath be with cogongrass root growth,
With labour-saving effect of breaking ground.The convex arch face of matrix is directly to be contacted with soil, overall to have ability of breaking ground.Secondly, convex arch
The attached regular strip bulge face in face surface and concave face, arrange along the direction of root growth, and crowning and concave face are simultaneously
Row sort alternate and go, wherein crowning approximate trapezoid structure, and concave face is arc structure.Bionical geometry knot of the present utility model
Structure can change soil and be in contact with it the motion state on surface, reach the anti-sticking effect of the drag reduction that buries.Upper tactile mamoty face is based on
The convex arch face Bionic Design of film quality leaf sheath, is integrated with beneficial to breaking ground and hack, is provided simultaneously with guiding the effect of soil block shunting, favorably
In the conveying of soil particle with separate, the adhesion and frictional force of soil and shovel face are reduced, so as to play drag-reduction effect.Touch mamoty
The microstructure in face has hydrophobic effect, plays anti-sticking effect.
Brief description of the drawings
Fig. 1 is the front view one that potato picker digger blade is hindered suitable for gluing the bionical reducing adhesion of heavy loam
Fig. 2 is the front view two that potato picker digger blade is hindered suitable for gluing the bionical reducing adhesion of heavy loam
Fig. 3 is Section A-A view in Fig. 1
Fig. 4 is the enlarged drawing of S meanings in Fig. 3
Fig. 5 is the enlarged drawing of E meanings in Fig. 4
Fig. 6 is section B-B view in Fig. 1
Wherein:1. on fixing threaded hole 2. under the axis 7. of I 5. spade of tactile mamoty face 3. crowning, I 4. concave face 6.
The wedge-shaped edge of shovel of II 10. edge of shovel of tactile mamoty face 8. crowning, II 9. concave face 11.
Specific embodiment
Such as Fig. 1 -- shown in Fig. 6, the integrated basal body structure of the utility model, mainly by fixing threaded hole 1, upper tactile mamoty face
2nd, crowning I 3, concave face I 4, spade 5, lower tactile mamoty face 7, crowning II 8, concave face II 9 are constituted, wherein upper tactile mamoty face 2
It is provided with crowning I 3, concave face I 4;Tactile mamoty face 7 is provided with crowning II 8, concave face II 9 down;It is digging in convex arcuation one side
Pick is shoveled and touches soil face 2, is tactile mamoty face 7 under digger blade in inner concavity one side.
Described crowning I 3 and the a-b curves of crowning II 8 are contour line C, and the line at wherein contour line C two ends is (straight
Line) with angle α=24 ° of axis 6;
The i-j curves of cross section are contour line G in upper tactile mamoty face 2;The side in upper tactile mamoty face 2 is d-k straight lines;It is upper to touch
Buried in mamoty face 2 front end side d-c curves be edge wheel profile D;Front end is buried for c-g straight lines in upper tactile mamoty face 2, its
The d points of middle d-c curves overlap with the d points of d-k straight lines, and the c points of d-c curves overlap with the c points of c-g straight lines,
Spade 5 intersects at straight line e-k with upper tactile mamoty face 2, and the wherein length h-g of shovel face is 240-270mm, upper tactile mamoty
The side length d-k in face 2 is 140-160mm;The thickness δ of shovel face substrate is 6-9mm;
D-k straight lines, d-c curves, c-g straight lines, crowning I 3, concave face I 4, crowning II 8 and concave face II 9 on
Axis 6 is symmetrical;
Bottom is provided with the edge of shovel 10 behind the end of burying in tactile mamoty face 7 down;The end of burying in tactile mamoty face 7 is provided with the wedge-shaped edge of shovel down
11。
The structure of whole digger blade matrix can be processed and obtained by wire cutting machine tool.Crowning I 3, concave face I 4, crowning II
8th, concave face II 9 can be machined and obtained by Digit Control Machine Tool or laser engraving.Spade 5 is located at shovel face top, solid with shovel face top
Connect.Fixing threaded hole 1 can be processed and obtained by drilling machine.
As shown in figure 1, the end region triangular in shape of burying of the digger blade is based on rhizoma imperatae film quality leaf sheath top three
The bionical reverse of angular domain and obtain, digger blade end of burying is disposed with and is related to the symmetrical edge wheel profile in axis 6
D, edge wheel profile D are c-d curves, and wherein c-d curves overlap with straight line c-g in c points, and the mathematic(al) representation of contour line D is:
Y=-0.053x2+ 3.7768x, x is in formula:40~85mm.
As shown in figure 3, the digger blade basal body structure is obtained based on the bionical reverse of rhizoma imperatae film quality leaf sheath.Its cross section
Contour line G (i-j curves) is obtained by the rhizoma imperatae film quality leaf sheath cross section bionical reverse of arcuate structure, the mathematics of contour line G
Expression formula is:Y=0.00283x2- 1.2887x, x is in formula:135~320mm.
The endpoint linearity of the arcuate structure of the digger blade cross section is apart from L0(at i-j) and arc centers point to i-j
The distance between straight line H0Than being L0:H0=11.47:1.The structure of profile G can be obtained by linear cutter.
As shown in Figure 1, Figure 4, Figure 5, described crowning I 3, the contour line C of crowning II 8 are a-b curves, contour line C
Mathematic(al) representation be:Y=-0.01106x2+ 1.9801x, x is in formula:- 20~100mm.
A kind of bionical reducing adhesion suitable for gluing heavy loam as described in Fig. 4, Fig. 5 hinders potato picker digger blade, institute
State crowning I 3 be connected with the arc transition of concave face I 4, crowning II 8 with concave face II 9 for arc transition is connected, its protrusions
Face I 3 and the structure of crowning II 8 be approximate trapezoid structure, and upper sideline is provided with fillet r 0.2~0.3mm of ∈, crowning and depression
The width ratio in face is:B1:B2=5:1;The height h of crowning10.3~0.5mm of ∈;Concave face is arc structure, wherein circular arc half
Footpath is r10.20~0.35mm of ∈, the depth capacity h of concave face20.1~0.3mm of ∈.Bulge-structure can be by essence with sunk structure
The shaping of close Digit Control Machine Tool processing mold and or laser engraving and obtain.
As shown in figure 1, a kind of described bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade, institute
State crowning I 3, the contour line C of crowning II 8 is symmetrical and by B on axis 61+B2Equidistant parallel being distributed in is touched
On mamoty face 2 and lower tactile mamoty face 7.If being two-dimensional coordinate origin wherein with point g, curve a-b crosses origin g.
As shown in fig. 6, a kind of described bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade, institute
State and the bury rear bottom at end of mamoty face 7 is touched under digger blade be provided with the edge of shovel 10, the angle between the edge of shovel 10 and horizontal plane is the digging
The clearance angle φ of shovel is dug, the span of edge of shovel clearance angle is:3 °~6 ° of φ ∈.Clearance angle φ be cause the edge of shovel to below and
The principal element of side soil compacting.This structure not only can guarantee that the ability of burying of digger blade, and ensure that wedging force tries one's best
Under conditions of big, digger blade end of burying can change the shape of compacting soil, reduce soil adhesion, reach the purpose of drag reduction.
As shown in fig. 6, the end of burying in lower tactile mamoty face 7 is provided with the wedge-shaped edge of shovel 11, the angle of wedge of wedge-shaped edge of shovel structure is θ, θ's
Span is:20 °~40 ° of θ ∈, absolute growth is W, and the absolute growth of the wedge-shaped edge of shovel is 30~50mm of W ∈.The wedge-shaped edge of shovel
Structure is conducive to digger blade fast power-saving in operation to bury, further up to the current of drag reduction.Wedge-shaped edge of shovel structure can be by line
Cutting processing and obtain.
The utility model is designed mainly for viscous heavy loam, and thinking is when being grown in soil based on rhizoma imperatae film quality leaf sheath
The excellent anti-drag anti-adhesion performance for showing is designed and obtained, and its performance is mainly recessed with the microscopic protrusions of rhizoma imperatae film quality leaf sheath and ties
Structure is relevant, and the comprehensive function of many structures of the bionical digger blade enables digger blade, and in operation, effectively fast power-saving buries
And turn up soil and potato wedges, can effectively solve the problems, such as that shovel face clay phenomenon is serious, with penetration performance it is good, break ground, hack energy
Power is strong, good de- soil effect and the characteristics of small tractive resistance, can improve potato digging efficiency and potato picker overall performance.
Claims (8)
1. a kind of bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade, it is characterised in that by fixing threaded hole
(1), upper tactile mamoty face (2), crowning I (3), concave face I (4), spade (5), lower tactile mamoty face (7), crowning II (8), recessed
Fall into face II (9) to constitute, wherein upper tactile mamoty face (2) are provided with crowning I (3), concave face I (4);Set on tactile mamoty face (7) down
There are crowning II (8), concave face II (9);The a-b curves of crowning I (3) and crowning II (8) are contour line C, wherein profile
The line at line C two ends is 24 ° with the angle α of axis (6);The i-j curves of cross section are contour line G in upper tactile mamoty face (2);
The side of upper tactile mamoty face (2) is d-k straight lines;The d-c curves of front end side of being buried in upper tactile mamoty face (2) are edge wheel profile
D;Front end is buried in upper tactile mamoty face (2) for c-g straight lines, the wherein d points of d-c curves overlap with the d points of d-k straight lines;D-c curves
C points overlapped with the c points of c-g straight lines;Spade (5) intersects at straight line e-k, wherein the length h-g of shovel face with upper tactile mamoty face (2)
It is 240-270mm, the side length d-k of upper tactile mamoty face (2) is 140-160mm;The thickness δ of shovel face substrate is 6-9mm;d-k
Straight line, d-c curves, c-g straight lines, crowning I (3), concave face I (4), crowning II (8) and concave face II (9) are on axis
Line (6) is symmetrical;Bottom is provided with the edge of shovel (10) behind the end of burying of tactile mamoty face (7) down;The end of burying of tactile mamoty face (7) sets down
There is the wedge-shaped edge of shovel (11).
2. the bionical reducing adhesion suitable for gluing heavy loam as described in claim 1 hinders potato picker digger blade, its feature
It is:The mathematic(al) representation of the edge wheel profile D is:
Y=-0.053x2+3.7768x
In formula:X is:40~85mm.
3. the bionical reducing adhesion suitable for gluing heavy loam as described in claim 1 hinders potato picker digger blade, its feature
It is:The mathematic(al) representation of the contour line G is:
Y=0.00283x2-1.2887x
In formula:X is:135~320mm.
4. the bionical reducing adhesion suitable for gluing heavy loam as described in claim 1 hinders potato picker digger blade, its feature
It is:The upper tactile mamoty face (2) is the crowning of arc-shaped, and lower tactile mamoty face (7) is the concave face of arc-shaped, circular arc end points
I, j are symmetrically arranged on central point O, and the spacing of circular arc end points i-j is L0, center of arc's point is with the spacing of i-j straight lines
H0, and L0:H0=11.47:1.
5. the bionical reducing adhesion suitable for gluing heavy loam as described in claim 1 hinders potato picker digger blade, its feature
It is:The crowning I (3) is circular sliding slopes with concave face I (4), crowning II (8) and concave face II (9), its protrusions
Face I (3) is provided with fillet r 0.2~0.3mm of ∈, the width B of crowning I with the upper sideline of crowning II (8)1With the width B of concave face II2Than
For:B1:B2=5:1;The height h of crowning I (3) and crowning II (8)1For:h10.3~0.5mm of ∈;Concave face I (4) and recessed
It is arc structure to fall into face II (9), wherein arc radius r1For:r10.20~0.35mm of ∈, concave face I (4) and concave face II (9)
Depth capacity h2For:h20.1~0.3mm of ∈.
6. the bionical reducing adhesion suitable for gluing heavy loam as described in claim 1 hinders potato picker digger blade, its feature
It is:The mathematic(al) representation of the contour line C is:
Y=-0.01106x2+1.9801x
In formula:X is:- 20~100mm.
7. the bionical reducing adhesion suitable for gluing heavy loam as described in claim 1 hinders potato picker digger blade, its feature
It is:The contour line C presses the width B of crowning I1The width B of+concave face II2Distance it is parallel be distributed in tactile mamoty face (2) and
Down on tactile mamoty face (7).
8. the bionical reducing adhesion suitable for gluing heavy loam as described in claim 1 hinders potato picker digger blade, its feature
It is:Clearance angle φ of the described edge of shovel (10) and horizontal plane between be:3 °~6 ° of φ ∈;The angle of wedge of the wedge-shaped edge of shovel (11)
θ is:20 °~40 ° of θ ∈;The absolute growth W of the wedge-shaped edge of shovel (11) is:30~50mm of W ∈.
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CN201621434333.6U CN206294525U (en) | 2016-12-26 | 2016-12-26 | A kind of bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade |
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CN201621434333.6U CN206294525U (en) | 2016-12-26 | 2016-12-26 | A kind of bionical reducing adhesion suitable for gluing heavy loam hinders potato picker digger blade |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106489410A (en) * | 2016-12-26 | 2017-03-15 | 吉林大学 | A kind of bionical reducing adhesion resistance potato picker digger blade suitable for gluing heavy loam |
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2016
- 2016-12-26 CN CN201621434333.6U patent/CN206294525U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106489410A (en) * | 2016-12-26 | 2017-03-15 | 吉林大学 | A kind of bionical reducing adhesion resistance potato picker digger blade suitable for gluing heavy loam |
CN106489410B (en) * | 2016-12-26 | 2022-12-23 | 吉林大学 | Bionic viscosity-reducing resistance-reducing digging shovel of potato harvester suitable for heavy loam |
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Granted publication date: 20170704 Termination date: 20211226 |