CN106993424A - The bionical excavation shovel piece of potato class based on quadratic polynomial and logarithmic function - Google Patents
The bionical excavation shovel piece of potato class based on quadratic polynomial and logarithmic function Download PDFInfo
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- CN106993424A CN106993424A CN201710323629.3A CN201710323629A CN106993424A CN 106993424 A CN106993424 A CN 106993424A CN 201710323629 A CN201710323629 A CN 201710323629A CN 106993424 A CN106993424 A CN 106993424A
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- shovel
- spear
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- curved section
- cutting edge
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D13/00—Diggers, e.g. potato ploughs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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Abstract
The present invention relates to a kind of bionical excavation shovel piece of the potato class based on quadratic polynomial and logarithmic function acted on drag reduction, hack in agricultural harvesting machinery field.It includes spear and spade, it is characterised in that：The present invention is the both sides contour line based on the toe of mole fore paw first, and its shaped front end has quadratic polynomial form, and rear end has logarithmic function form.Upper shovel face is by curvilinear equation y=- 0.012358x2+ 1.39204448x+0.621465764（0≤x≤21.8408）With y=22.57797094ln (5x) -80.16552562（21.8408≤x≤57.7746）It is made；Lower shovel face is by curvilinear equation y=- 0.06147765x2- 2.77477391x-2.81686312（2.1954≤x≤30.3639）With y=21.7072613ln (5x) -63.33398672（30.3639≤x≤63.2042）It is made；The spear Cutting Edge Design of the present invention is compound wedge-shaped cutting edge, and the shear action to soil is obvious, existing good resistance reducing performance, and certain hack effect is played again；The present invention uses modularized design, makes the convenient dismounting of digger blade, it is easy to safeguard.
Description
Technical field
The invention belongs to agricultural machinery technological field, it is related to excavation shovel piece, is based especially on quadratic polynomial and logarithm letter
The bionical excavation shovel piece of several potato class.
Background technology
At present, during tuber crops harvest, the quality of digger blade directly affects the overall performance of cropper and made
With.Existing bionical digger blade chip architecture form is simple, and bionical shovel face function curve is single, hack ability；In tomato digging
During, excavation shovel piece excavating resistance is larger, and energy consumption is big, easily causes digger blade pad wear；Excavate shovel piece and frame connection side
Formula is mostly to be welded and fixed connection, and after excavation shovel piece is damaged in the course of the work, dismounting and maintenance are inconvenient, or even needs are changed
Fall whole excavation shovel piece, use cost is higher.
Research shows that mole forelimb is flourishing, and sole is turned-out, there is sharp claw, suitable for digging, in the mining process of mole,
In forelimb pawl insertion soil, soil is smashed, and hack is pushed aside to both sides, it excavates form and digger blade is closely similar, therefore
Using bionics principle, mole pawl toe outline data is extracted, by curve matching, is applied in digger blade shovel face structure design.
The content of the invention
In order to overcome the deficiencies in the prior art, quadratic polynomial is based on and right it is an object of the invention to provide one kind
The bionical excavation shovel piece of potato class of number function, in mining process, produces hack effect, so as to reduce excavating resistance, modularization is dug
Dig the convenient dismounting of shovel piece structure, it is easy to safeguard, improve the overall performance of picker for tuber crops and use.
In order to solve the above technical problems, the technical solution adopted by the present invention is：Based on quadratic polynomial and logarithmic function
The bionical excavation shovel piece of potato class, including spear 1 and spade 2, the shovel face of the spear 1 are made up of upper shovel face 11 and lower shovel face 12, institute
The upper shovel face 11 for stating spear 1 imitates the outline of mole the first toe of fore paw, is made up of curved section AB and curved section BC, the spear
1 lower shovel face 12 imitates the Internal periphery of mole the first toe of fore paw, is made up of curved section DE and curved section EF, curved section AB equations are
Y=- 0.012358x2+ 1.39204448x+0.621465764（0≤x≤21.8408）, curved section BC equations be y=
(22.57797094ln 5x) -80.16552562（21.8408≤x≤57.7746）, curved section DE equations be y=-
0.06147765x2- 2.77477391x-2.81686312（2.1954≤x≤30.3639）, curved section EF equations be y=
(21.7072613ln 5x) -63.33398672（30.3639≤x≤63.2042）, x and y unit is milli in equation
Rice；
The cutting edge of the spear 1 is compound wedge-shaped cutting edge, by main cutting edge 13, both sides front cutting edge 14, operator face 15 and both sides
Secondary knife face 16 is constituted, and the curved section AB and the curved section DE point A and point D are connected to form the operator face 15, described
Angle is 25 ° ~ 35 ° between operator face 15 and the upper shovel face 11, and angle is 25 ° ~ 35 ° between the both sides front cutting edge 14,
Angle between the secondary knife face 16 in the both sides and the upper shovel face 11 is 80 ° ~ 90 °.
The spade 2 includes shovel platform 21, grizzly bar 22, branch sleeve 23 and reinforcement 24, described to shovel the rear end of platform 21 and described
Grizzly bar 22 is connected, and the shovel front end of platform 21 is connected with the spear 1, and the shovel platform 21 is connected with the branch sleeve 23 below,
The branch sleeve 23 is cylindrical, and two ends set a quarter groove of two symmetric configurations respectively, and the groove at two ends differs 90 °
Layout, the reinforcement 24 is connected with the shovel platform 21 and branch sleeve 23 respectively.
Beneficial effects of the present invention：Potato class bionical excavation shovel piece of the invention based on quadratic polynomial and logarithmic function
Upper and lower shovel face carries out the curve composition that bionical reverse is obtained using the toe of mole fore paw first, and the soil dug is secondary more along this
Destruction will be bent in the shovel face uphill process of item formula and logarithmic function curve composition, has the effect for excavating hack, and reduce digging
Dig the excavating resistance of shovel；Shear action of the compound wedge shape spear to soil is obvious, existing good resistance reducing performance, plays certain again
Hack effect；Potato class bionical excavation shovel piece of the invention based on quadratic polynomial and logarithmic function uses modularized design, makes
Digger blade is convenient to be dismantled, it is easy to safeguarded.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the spear structural representation of A direction views shown in Fig. 2.
Fig. 4 is the bionical contour curve figure of the present invention.
In figure：Shovel face under 1- spears, the upper shovel faces of 11-, 12-, 13- main cutting edges, 14- both sides front cutting edge, 15- operators
Face, 16- both sides pair knife face, 2- spades, 21- shovel platforms, 22- grizzly bars, 23- branch sleeves, 24- reinforcements.
Embodiment
The present invention is further described with reference to specific embodiment.
Referring to Fig. 1 ~ 4, the bionical excavation shovel piece of potato class based on quadratic polynomial and logarithmic function, including spear 1 and spade
2, the spear 1 and spade 2 are conducive to the upper shovel face 11 of spear 1 to be seamlessly transitted to the surface of spade 2 by rivet interlacement；Institute
The shovel face for stating spear 1 is made up of upper shovel face 11 and lower shovel face 12, and the upper shovel face 11 of the spear 1 imitates mole the first toe of fore paw
Outline, is made up of curved section AB and curved section BC, and the lower shovel face 12 of the spear 1 imitates the lubrication groove of mole the first toe of fore paw
Exterior feature, is made up of curved section DE and curved section EF, and curved section AB equations are y=- 0.012358x2+ 1.39204448x+
0.621465764（0≤x≤21.8408）, curved section BC equations are y=22.57797094ln (5x) -80.16552562
（21.8408≤x≤57.7746）, curved section DE equations are y=- 0.06147765x2- 2.77477391x-2.81686312
（2.1954≤x≤30.3639）, curved section EF equations are y=21.7072613ln (5x) -63.33398672（30.3639≤
x≤63.2042）, x and y unit is millimeter in equation；The cutting edge of the spear 1 is compound wedge-shaped cutting edge, by main cutting
The secondary knife face 16 in sword 13, both sides front cutting edge 14, operator face 15 and both sides is constituted, the curved section AB and the curved section DE point
A and point D are connected to form the operator face 15, and angle is 25 ° ~ 35 ° between the operator face 15 and the upper shovel face 11, described
Angle is 25 ° ~ 35 ° between both sides front cutting edge 14, and the angle between the secondary knife face 16 in the both sides and the upper shovel face 11 is 80 °
~90°；When the spear 1 excavates soil, the main cutting edge 13 and both sides front cutting edge 14 cut soil respectively, are conducive to
Shred soil and reduce cutting resistance, the shovel face that the soil dug is constituted along quadratic polynomial and logarithmic function curve rose
Destruction will be bent in journey, has the effect for excavating hack, and reduce the excavating resistance of digger blade.
Referring to Fig. 1 ~ 2, the spade 2 includes shovel platform 21, grizzly bar 22, branch sleeve 23 and reinforcement 24, the shovel platform 21
Rear end and the grizzly bar 22 are welded to connect, and the shovel front end of platform 21 and the spear 1 are by rivet interlacement, below the shovel platform 21
It is welded to connect with the branch sleeve 23, the branch sleeve 23 is cylindrical, and two ends set the four of two symmetric configurations respectively
/ mono- groove, and the groove at two ends differs 90 ° of layouts, the reinforcement 24 connects with the shovel platform 21 and the welding of branch sleeve 23 respectively
Connect, to increase the intensity of the spade 2；Several potato class bionical digger blades of the invention based on quadratic polynomial and logarithmic function
Piece interconnects the digger blade of comprising modules structure by the branch sleeve 23, makes the convenient dismounting of digger blade, it is easy to safeguard.
Claims (2)
1. the bionical excavation shovel piece of potato class based on quadratic polynomial and logarithmic function, including spear 1, spade 2, it is characterised in that：
The spear 1 and spade 2 are connected, and the shovel face of the spear 1 is made up of upper shovel face 11 and lower shovel face 12, the upper shovel of the spear 1
The outline of mole the first toe of fore paw is imitated in face 11, is made up of curved section AB and curved section BC, the mould of lower shovel face 12 of the spear 1
The Internal periphery of imitative mole the first toe of fore paw, is made up of curved section DE and curved section EF, curved section AB equations be y=-
0.012358x2+ 1.39204448x+0.621465764（0≤x≤21.8408）, curved section BC equations be y=
(22.57797094ln 5x) -80.16552562（21.8408≤x≤57.7746）, curved section DE equations be y=-
0.06147765x2- 2.77477391x-2.81686312（2.1954≤x≤30.3639）, curved section EF equations be y=
(21.7072613ln 5x) -63.33398672（30.3639≤x≤63.2042）, x and y unit is milli in equation
Rice；The cutting edge of the spear 1 is compound wedge-shaped cutting edge, by main cutting edge 13, both sides front cutting edge 14, operator face 15 and both sides pair
Knife face 16 is constituted.
2. the bionical excavation shovel piece of the potato class according to claim 1 based on quadratic polynomial and logarithmic function, its feature exists
In：The spade 2 includes shovel platform 21, grizzly bar 22, branch sleeve 23 and reinforcement 24, the shovel rear end of platform 21 and the grizzly bar 22
Connection, the shovel front end of platform 21 is connected with the spear 1, and the shovel platform 21 is connected with branch sleeve 23 below, the reinforcement
24 are connected with the shovel platform 21 and branch sleeve 23 respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323629.3A CN106993424A (en) | 2017-05-10 | 2017-05-10 | The bionical excavation shovel piece of potato class based on quadratic polynomial and logarithmic function |
| CN201810039824.8A CN108243701B (en) | 2017-05-10 | 2018-01-16 | A kind of bionical excavation shovel piece of potato |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323629.3A CN106993424A (en) | 2017-05-10 | 2017-05-10 | The bionical excavation shovel piece of potato class based on quadratic polynomial and logarithmic function |
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| Publication Number | Publication Date |
|---|---|
| CN106993424A true CN106993424A (en) | 2017-08-01 |
Family
ID=59434743
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710323629.3A Pending CN106993424A (en) | 2017-05-10 | 2017-05-10 | The bionical excavation shovel piece of potato class based on quadratic polynomial and logarithmic function |
| CN201810039824.8A Active CN108243701B (en) | 2017-05-10 | 2018-01-16 | A kind of bionical excavation shovel piece of potato |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039824.8A Active CN108243701B (en) | 2017-05-10 | 2018-01-16 | A kind of bionical excavation shovel piece of potato |
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| CN (2) | CN106993424A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318340A (en) * | 2017-08-14 | 2017-11-07 | 吉林大学 | A kind of bionical digger blade of drag-reducing abrasion-resisting |
| CN110024545A (en) * | 2019-05-16 | 2019-07-19 | 海南大学 | A kind of bionical cropper of cassava |
| CN110583201A (en) * | 2019-10-10 | 2019-12-20 | 黑龙江省农业机械工程科学研究院 | Combined type potato digger blade |
| CN111386758A (en) * | 2020-03-31 | 2020-07-10 | 吉林大学 | Bionic drag reduction subsoiler with low soil disturbance |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012716B (en) * | 2019-04-19 | 2021-11-02 | 昆明理工大学 | Bionic digging shovel for rhizomes in hilly area |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191414186A (en) * | 1914-06-12 | 1915-06-14 | Linus Arthur Naumann | Improved Plough for Lifting Potatoes or Beetroots. |
| CN102265727B (en) * | 2011-04-27 | 2012-12-26 | 吉林大学 | Exponential function curve type biomimetic resistance-reducing sub-soiling shovel handle |
| CN106416579B (en) * | 2016-12-05 | 2020-06-16 | 吉林大学 | Bionic drag reduction digging shovel of potato harvester |
-
2017
- 2017-05-10 CN CN201710323629.3A patent/CN106993424A/en active Pending
-
2018
- 2018-01-16 CN CN201810039824.8A patent/CN108243701B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318340A (en) * | 2017-08-14 | 2017-11-07 | 吉林大学 | A kind of bionical digger blade of drag-reducing abrasion-resisting |
| CN110024545A (en) * | 2019-05-16 | 2019-07-19 | 海南大学 | A kind of bionical cropper of cassava |
| CN110583201A (en) * | 2019-10-10 | 2019-12-20 | 黑龙江省农业机械工程科学研究院 | Combined type potato digger blade |
| CN111386758A (en) * | 2020-03-31 | 2020-07-10 | 吉林大学 | Bionic drag reduction subsoiler with low soil disturbance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108243701B (en) | 2019-08-27 |
| CN108243701A (en) | 2018-07-06 |
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Application publication date: 20170801 |
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