CN102714949A - Bamboo-like wear-resistant surface - Google Patents
Bamboo-like wear-resistant surface Download PDFInfo
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- CN102714949A CN102714949A CN2012102434538A CN201210243453A CN102714949A CN 102714949 A CN102714949 A CN 102714949A CN 2012102434538 A CN2012102434538 A CN 2012102434538A CN 201210243453 A CN201210243453 A CN 201210243453A CN 102714949 A CN102714949 A CN 102714949A
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Abstract
The invention discloses a bamboo-like wear-resistant surface, which is a columnar bionic convex structure of bamboo-like cross-section fiber, wherein a hemispherical dent is arranged in the center of the bionic convex structure; the radius r of the dent is larger than or equal to 1mm and smaller than or equal to 5mm; the outline of the bionic convex structure satisfies the mathematical expression shown in the specification, wherein x and y represent the x axis and y axis in a two-dimensional coordinate system; R is the radius of the outline; R is larger than or equal to r and smaller than or equal to 5r; the center of the outline is positioned at the edge of the hemispherical dent of the center of the bionic convex structure; the height H of the bionic convex structure is smaller than 5mm; and the adjacent bionic convex structures are arranged according to diamond manner. The bamboo-like wear-resistant surface has good wear resistance and desorption performance.
Description
Technical field
The present invention relates to a kind of imitative bamboo wearing face, in particular, the present invention relates to a kind ofly touch the bionical wearing face in native parts anti-wear performance and service life in order to improve agricultural machinery.
Background technology
Along with the fast development of agricultural mechanization, ploughing speed improves greatly, and the farming environment becomes increasingly complex, and for the farming tool performance, the performance of especially touching native cultivating member has proposed increasingly high requirement.It is wear out failure that agricultural machinery touches native parts main form of invalidation in cultivating procedure; Therefore improve the wearability that agricultural machinery touches native parts; Thereby prolong the service life of parts, the cost that reduction frequent change parts are brought becomes the important topic that agricultural machinery touches native parts research field.
Touch the wearability of native parts in raising, reduce production costs and aspect such as tillage resistance, patent report is all arranged both at home and abroad.At present, patent achievement mainly concentrates on new material application and two aspects of bionics techniques application.Adopt high-abrasive material to produce agricultural machinery and touch native cultivating member, adopt novel processed technology that agricultural machinery is touched native cultivating member and handle wearability and the service life that can obviously improve parts:
1, one Chinese patent application number is: 01133458.4, and the day for announcing is 2005.01.26, denomination of invention is made binder alloy for " bionic non-smooth antifriction composite coating and preparation method thereof " discloses a kind of non-smooth antifriction composite coating with multi-element Cu-base solder; To strengthen wear-resisting hard point particle and be connected with matrix steel, and form a non-smooth antifriction composite coating on the surface of matrix steel, the composition of multi-element Cu-base solder is: zinc; Manganese, nickel, tin; Silicon, rare earth, surplus copper; The composition of brazing flux is: the mixture of boric acid and borax, and add the low amount of fluorinated thing; The composition that strengthens wear-resisting hard point particle is a carbide, and granularity is 50～100 orders, adds total amount and exists: 20～80Wt%.The preparation method of non-smooth antifriction composite coating: after the preparation smelting of multi-element Cu-base solder by above-mentioned constituent; Processing particle size is 20～80 order powder; By mass percentage: 30～70% with 20～80% tungsten carbide, titanium carbide, carborundum in a kind of, two kinds or three kinds and brazing flux 1～3 evenly mix; After heating multi-element Cu-base solder and brazing flux fusing, multi-element Cu-base solder is put soldering with hard and is formed a non-smooth antifriction composite coating at the matrix steel surface.To improve the wearability of the mechanical part that is unearthed.
2, Chinese patent, the day for announcing is 1994.01.26, application number: 91106940.2; Denomination of invention is " anti-wear material for long-life digging elements and manufacturing approach thereof " a kind of high-abrasive material of openly knowing clearly; Being used for the processing of engineering machinery digging elements such as agricultural, mine, national defence, is mother metal with general steel, surface spraying weld one deck transitional horizon and one deck wearing layer; Transitional horizon contains Cr, B, Si, Ni component; Wearing layer is the melts of WC and bonded metal, and wherein WC content 50～70%, and binding metal contains Cr, B, Si, Cu, Ni component.
Bionics Study shows; Animals and plants have had the 26S Proteasome Structure and Function that adapts to varying environment, at agricultural mechanical field through the evolution in 1 years; Receive the inspiration of soil animal characteristics; Soil animal is excavated organ and excavates the analysis of moving, adopt the morphological feature of simulation typical soil animal and the method for biological nature, the bionical agricultural machinery of developing touches native parts and is obtaining obvious effects aspect the drag reduction anti-attrition:
1, application number is: 201010166033.5; The day for announcing is 2010.09.22; Denomination of invention discloses a kind of conical soil parts with abrasion-proof geometry surface for " a kind of conical soil parts with abrasion-proof geometry surface "; These parts are made up of the bionic geometric structure unit that matrix and matrix surface distribute, and described bionic geometric structure unit comprises convex closure type, pit type, annular protruding rib stripe shape, annular recessed rib type, spiral convex closure type, spiral pit type, spiral prominence rib type and the recessed rib type of spiral.
2, application number is: 200810050347.1, and the day for announcing is 2010.03.17, denomination of invention discloses a kind of bionic abrasion-proof structure surface for " rib type bionic abrasion-proof structure surface ", particularly relates to the bionical abrasion-proof geometry surface of a kind of rib type.The scale surface that this invention is based on soil burrowing animal pangolin has the geometry characteristic of anti-soil abrasive wear, its objective is to solve wear problem existing and the bulk material contact component.This bionic abrasion-proof structure surface is with existing equipment or member and the surface modification structure that contacts material, sets up a series of ribbed structure with certain geometric parameter and spacing from the teeth outwards.Its bionical abrasion-proof structure is shaped as: y=asin (bx+c).Wherein, a-amplitude, b-frequency, c-initial phase, 0＜a≤12mm, 0≤bx-c≤π, 0≤x≤20mm.Rib spacing: 0＜L＜30mm.
3, application number is: 201010166033.5, and the day for announcing is 2009.12.16, denomination of invention is " bionic, drag-reducing shovel plate of ridge-forming apparatus and a method for designing thereof ".A kind of bionic, drag-reducing shovel plate of ridge-forming apparatus has been described in creation, it is characterized in that this shovel face is with y=-0.0l48x
2+ 0.86563x-1.51 is a crestal line, y=-0.0054Z
2+ 30.49 is plain line, and plain line is along the formed curved surface of crestal line.
Reported that more patent can know; Existing through using new material; New process technology improves agricultural machinery and touches the native parts wearability and the patent report in service life, also has simultaneously through the morphological feature of soil animal and biological nature being carried out bionical abrasion-proof structure that analysis mode develops or bionical wearing face to be used for the patent application that agricultural machinery touches native cultivating member and to disclose.But also do not see open through plant structure being carried out the bionical abrasion-proof structure that analysis mode designed at present.
Bamboo has hollow structure and fiber reinforcing texture simultaneously, has the favorable mechanical performance, and in addition, experimental study shows that bamboo has good abrasion resistance and desorption performance.The present invention has designed a kind of imitative bamboo wearing face through the analysis and research to the bamboo microstructure, in order to improve wearability and the service life that agricultural machinery touches native parts.
Summary of the invention
The objective of the invention is to reduce the cost that the cultivating member frequent change is brought, and a kind of imitative bamboo wearing face is provided in order to improve wearability and the service life that agricultural machinery touches native cultivating member.
Bamboo has hollow structure and fiber reinforcing texture simultaneously, has the favorable mechanical performance, and in addition, experimental study shows that bamboo has good abrasion resistance and desorption performance.The present invention provides a kind of imitative bamboo wearing face through the analysis and research to the bamboo microstructure, in order to improve wearability and the service life that agricultural machinery touches native parts.The wear-resisting bionic surface of this imitative bamboo particular arrangement mode protruding by a kind of wear-resisting bionic surface of imitative bamboo fibre cross section structure and bionical convexity is formed jointly.
The present invention is the agricultural machinery wear-resisting bionic surface of a kind of imitative bamboo that touched native Component Design.Through to the bamboo fibre microstructure, arrangement mode and wear-resisting and desorption mechanism analysis have designed a kind of wear-resisting bionical convexity of imitative bamboo fibre cross sectional shape, simultaneously according to bamboo fibre in bamboo distribution mode, designed the arrangement mode of wear-resisting bionical convexity.
The present invention is the bionical bulge-structure of column of imitative bamboo cross-section fibers, and there is hemispherical pit at bionical bulge-structure center, and the pit radius is r, 1mm≤r≤5mm, and the outline of bionical bulge-structure satisfies following mathematic(al) representation:
X wherein and y are x axle and the y axle in the two-dimensional coordinate system.
Wherein R is the profile radius, and r≤R≤5r, outer contour are centered close to the hemispherical pit edge of the structure heart in the bionical convexity, and bionical protruding height is H, H < 5mm;
The arrangement mode of said wear-resisting bionical bulge-structure is: adjacent bionical bulge-structure is arranged according to the rhombus mode; Less angle angle is θ in the diamond array; 30o < θ < 60o; Distance is L between adjacent bionical bulge-structure, relation below bionical bulge-structure spacing L and bionical bulge-structure height H satisfy:
Diagonal long in the diamond array is consistent with glide direction.
The aligning method of above-mentioned wear-resisting bionical bulge-structure and bionical bulge-structure has been formed a kind of imitative bamboo wearing face of the present invention jointly.
The present invention's beneficial effect compared with prior art is:
A kind of imitative bamboo wearing face of the present invention is aimed at the wear problem that agricultural machinery touches native farming workpiece, through the imitation to bamboo fibre structure and arrangement mode, has formed the imitative bamboo wearing face with excellent abrasive resistance and desorption performance.Experimental result shows that the agricultural machinery of the employing imitative bamboo wearing face that the present invention designed touches native cultivating member and compares with similar smooth surface parts, and the resistance in the operation process does not obviously increase, and wearability on average increases by 4 ~ 7%, and desorption ability significantly increases.
Description of drawings
Fig. 1 is a bamboo wood cross section wear surface microphoto.
Fig. 2, Fig. 3 are bionical bulge-structure sketch map of the present invention.Wherein, Fig. 2 is a vertical view, and Fig. 3 is a front view.
Fig. 4 is the arrangement mode sketch map of bionical bulge-structure of the present invention.
Fig. 5, Fig. 6 and Fig. 7 are applied to the sketch map of plough for invention.Wherein Fig. 5 is a front view, and Fig. 6 is a left view, and Fig. 7 is a vertical view.
Embodiment
The present invention has designed the bionical wearing face of a kind of imitative bamboo according to antiwear characteristic and the design feature of bamboo.Bamboo has the favorable mechanical performance; This has benefited from hollow structure and the fiber reinforcing texture of bamboo; Simultaneously; The research surface, the fiber reinforcing texture of bamboo makes bamboo have good wearability and desorption performance, so this kind structure is suitable for being applied in the bionical wearing face design field that agricultural machinery touches native parts.The fibre structure analysis of bamboo wear surface is found the bamboo fibre that anti-wear performance is played an important role is the symmetric shape of rule, there is bowl configurations in the center, and the bamboo fibre distribution that in bamboo, assumes diamond in shape is as shown in Figure 1.Experiment simultaneously shows, the bowl configurations at bamboo fibre center can obviously reduce bamboo with the wear process of soil in the adhesive attraction of soil, improve the desorption performance of bamboo.
The distribution mode that in bamboo, gets the microstructure of combined bamboo fabric of the present invention and bamboo fibre has designed and has been used for the imitative bamboo wearing face that agricultural machinery touches native parts surface, comprises the bionical bulge-structure of imitative bamboo fibre structure and the aligning method of bionical bulge-structure.The present invention copy bamboo fibre the cross sectional shape profile design wear-resisting bionical bulge-structure; Bionical bulge-structure is the bionical bulge-structure of column of imitative bamboo cross-section fibers; There is hemispherical pit 2 at bionical bulge-structure 1 center; Pit 2 radiuses are r, 1mm≤r≤5mm, and the outline of bionical bulge-structure 1 satisfies following mathematic(al) representation:
X wherein and y are x axle and the y axle in the two-dimensional coordinate system.
Wherein R is the profile radius, and r≤R≤5r, outer contour are centered close to hemispherical pit 2 edges at bionical bulge-structure 1 center, and bionical bulge-structure 1 height is H, H < 5mm.Like Fig. 2, shown in Figure 3; The present invention also copies bamboo fibre in bamboo, to get distribution mode; Designed the arrangement mode of wear-resisting bionical bulge-structure 1: adjacent bionical bulge-structure 1 is arranged according to the rhombus mode; Less angle angle is θ in the diamond array; 30o θ 60o, 1 distance of adjacent bionical bulge-structure is L, relation below bionical bulge-structure 1 spacing L and height of projection H satisfy:
Diagonal long in the diamond array is consistent with glide direction, as shown in Figure 4; Above-mentioned wear-resisting bionical bulge-structure 1 has been formed a kind of imitative bamboo wearing face of the present invention jointly with the aligning method of bionical bulge-structure 1.
Like Fig. 5, Fig. 6 and shown in Figure 7, plough 3 is to use always to touch native cultivating member, and the sowing of being everlasting is used during intertillage, because plough 3 embedded depths are darker, the resistance that receives during work is bigger; The contact soil hardness is bigger during farming, and component wear is comparatively serious.The present invention's the imitative bionical wearing face of bamboo is applied on the plough 3.Plough 3 is by casting method production, and the plough surface has wear-resisting bionical bulge-structure 1, r=1.5mm wherein, R=4mm, bionical bulge-structure height H=2mm; Bionical bulge-structure 1 is arranged according to aligning method shown in Figure 4, and wherein less angle angle is 30o in the diamond array, and adjacent bionical bulge-structure distance between centers is 20mm, in the diamond array in long diagonal and the cultivating procedure soil movement direction parallel.
Claims (2)
1. imitative bamboo wearing face is characterized in that: it is the bionical bulge-structure of column of imitative bamboo cross-section fibers, and there is hemispherical pit at bionical bulge-structure center, and the pit radius is r, 1mm≤r≤5mm, and the outline of bionical bulge-structure satisfies following mathematic(al) representation:
X wherein and y are x axle and the y axle in the two-dimensional coordinate system;
Wherein R is the profile radius, and r≤R≤5r, outer contour are centered close to the hemispherical pit edge of the structure heart in the bionical convexity, and bionical protruding height is H, H < 5mm;
Said adjacent bionical bulge-structure is arranged according to the rhombus mode.
2. a kind of imitative bamboo wearing face according to claim 1; It is characterized in that: less angle angle is θ in the described diamond array; 30o θ 60o, distance is L between adjacent bionical bulge-structure, relation below bionical bulge-structure spacing L and bionical bulge-structure height H satisfy:
Diagonal long in the diamond array is consistent with glide direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243453.8A CN102714949B (en) | 2012-07-13 | 2012-07-13 | Bamboo-like wear-resistant surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243453.8A CN102714949B (en) | 2012-07-13 | 2012-07-13 | Bamboo-like wear-resistant surface |
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| CN102714949A true CN102714949A (en) | 2012-10-10 |
| CN102714949B CN102714949B (en) | 2014-03-12 |
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| CN201210243453.8A Expired - Fee Related CN102714949B (en) | 2012-07-13 | 2012-07-13 | Bamboo-like wear-resistant surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972128A (en) * | 2012-12-14 | 2013-03-20 | 吉林大学 | Bionic core moldboard type sowing boot |
Citations (6)
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|---|---|---|---|---|
| AU2366584A (en) * | 1983-01-20 | 1984-07-26 | Farmland Pty Ltd | Sweep implement |
| US5025736A (en) * | 1988-10-03 | 1991-06-25 | Anderson Kevin M | Furrow opener |
| US6321667B1 (en) * | 2000-06-09 | 2001-11-27 | Kenneth E. Shoup | Adjustable gauge wheel for a planter |
| CN1405240A (en) * | 2001-11-14 | 2003-03-26 | 吉林大学 | Bionic non-smooth antifriction composite coating and its manufacture method |
| CN101225919A (en) * | 2008-01-30 | 2008-07-23 | 吉林大学 | Rib type bionic abrasion-proof structure surface |
| CN202663766U (en) * | 2012-07-13 | 2013-01-16 | 吉林大学 | Bamboo-like wear-resistant surface |
-
2012
- 2012-07-13 CN CN201210243453.8A patent/CN102714949B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2366584A (en) * | 1983-01-20 | 1984-07-26 | Farmland Pty Ltd | Sweep implement |
| US5025736A (en) * | 1988-10-03 | 1991-06-25 | Anderson Kevin M | Furrow opener |
| US6321667B1 (en) * | 2000-06-09 | 2001-11-27 | Kenneth E. Shoup | Adjustable gauge wheel for a planter |
| CN1405240A (en) * | 2001-11-14 | 2003-03-26 | 吉林大学 | Bionic non-smooth antifriction composite coating and its manufacture method |
| CN101225919A (en) * | 2008-01-30 | 2008-07-23 | 吉林大学 | Rib type bionic abrasion-proof structure surface |
| CN202663766U (en) * | 2012-07-13 | 2013-01-16 | 吉林大学 | Bamboo-like wear-resistant surface |
Non-Patent Citations (4)
| Title |
|---|
| 《材料研究学报》 19940430 李世红等 "竹子-一种天然生复合材料的研究" 188-192 1-2 第8卷, 第2期 * |
| 《自然科学进展-国家重点实验室通讯》 19941130 周本濂等 "复合材料的仿生探索" 713-725 1-2 第4卷, 第6期 * |
| 周本濂等: ""复合材料的仿生探索"", 《自然科学进展-国家重点实验室通讯》 * |
| 李世红等: ""竹子-一种天然生复合材料的研究"", 《材料研究学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972128A (en) * | 2012-12-14 | 2013-03-20 | 吉林大学 | Bionic core moldboard type sowing boot |
| CN102972128B (en) * | 2012-12-14 | 2015-04-22 | 吉林大学 | Bionic core moldboard type sowing boot |
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| CN102714949B (en) | 2014-03-12 |
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Granted publication date: 20140312 Termination date: 20180713 |