CN210183807U - Dike constructing shovel plate with bionic geometric structure - Google Patents
Dike constructing shovel plate with bionic geometric structure Download PDFInfo
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- CN210183807U CN210183807U CN201920565246.1U CN201920565246U CN210183807U CN 210183807 U CN210183807 U CN 210183807U CN 201920565246 U CN201920565246 U CN 201920565246U CN 210183807 U CN210183807 U CN 210183807U
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Abstract
The utility model relates to a dike constructor shovel plate with bionic geometric structure, which belongs to the field of agricultural machinery. The shovel plate can be applied to a dike constructor or other soil-touching components, and the dike constructor comprises a frame, the shovel plate and a connector; the working surface of the shovel plate is provided with a circular truncated cone micro-convex body and a circular truncated cone concave pit, and the circular truncated cone micro-convex body and the circular truncated cone concave pit are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body is a conical pit, and the center of the lower bottom surface of the circular truncated cone pit is a conical bulge; the profile curve of the side face of the blade edge of the shovel plate is a bionic geometric curve with geometric characteristics of the exendin forepaw toe of the sandfish, and the front edge of the blade edge of the shovel plate is of a sawtooth-shaped bionic geometric structure with a dung beetle forepaw shank. The utility model can improve the soil-entering ability of the shovel plate; effectively reducing the adhesion of soil, the abrasion of the abrasive on the surface of the shovel plate and the working resistance, reducing the working resistance of the dike constructor by about 5-9 percent and reducing the abrasion rate of the working surface of the shovel plate by 7-15 percent.
Description
Technical Field
The utility model relates to a make dike shovel plate with bionical geometry belongs to agricultural machine technical field.
Background
In most farming areas in China, rainfall is in uneven spatial distribution and is obviously different in time domain, surface runoff is generated when the rainfall intensity exceeds the soil infiltration intensity, scouring erosion to the surface is caused, a large amount of silt in soil is lost, the soil structure and the fertility are damaged, and the crop yield is adversely affected. In the field of agricultural machinery, the traditional machine for realizing the micro-topography processing operation of the soil surface mainly comprises a driving type ridge tillage dike constructor, wherein the dike constructor is in contact with the soil surface through the rotating motion of a shovel plate to form dikes, and long pits are processed on the soil surface, so that rainfall or irrigation water falling in the field is accumulated in the pits to be absorbed by plants instead of flowing away in vain, and the purpose is to increase the water storage and soil moisture conservation capacity of the farmland soil, prevent soil erosion and water loss and keep the yield of crops under unstable climatic conditions.
In order to solve the problem of water and soil loss of slope farmland, the dike furrow constructing technology is concerned and develops deep research and popularization. The dike constructor is used for setting dikes in furrows at a certain distance to block rainwater in the cultivated land, so that the water supply of crops can be increased, and the loss of water, soil and fertilizer in the slope cultivated land can be prevented. However, the problems of unsatisfactory block shape, low soil block compactness and the like exist in the operation of the current block making machine, the operation effect of the block making machine is influenced, the soil dike has weak capability of retaining rainwater, and the block is easy to collapse when meeting strong rainfall.
The dike building in the ridge farmland is to shovel, dig and turn over the soil on the ground surface by a dike building machine shovel plate, thereby piling up dikes and forming micro-pits between dikes. When the shovel plate of the dike constructor works, the cutting edge of the shovel plate has large resistance to penetration into the soil, is easy to deform and break, has serious abrasion, is easy to bond the soil on the working surface of the shovel plate, is not easy to fall off, increases the disturbance between the soil, increases the working resistance of the dike constructor, has low compactness of formed dike, is easy to damage and has poor retaining effect of high-strength rainwater.
The form and structure of the soil-contacting component are designed by taking bionics as a research means to reduce the adhesion and resistance of soil to the soil-contacting component, so that breakthrough progress is made, but different soil-contacting components and different soil characteristics have different requirements on anti-sticking and resistance reduction. Aiming at the problems, the surface bionic geometric structure form of the agricultural implement soil-contacting component needs to be optimized to the greatest extent, so that the anti-sticking and anti-drag capability of the agricultural implement soil-contacting component is stronger, and the bionic agricultural implement soil-contacting component with more excellent performance is popularized in various regions in China.
The dike constructor shovel plate is used as a key part of the dike constructor, the shape and the size of the dike constructor shovel plate directly influence the working resistance of a machine set, the constructed soil block shape and the soil block compactness, wherein the resistance generated when the soil contacts the soil working surface of the shovel plate is the main resistance in the working process of the dike constructor, the working resistance of the dike constructor is one of the key factors restricting the rapid development of the dike constructor, and the reduction of the working resistance of the dike constructor becomes the problem to be solved urgently.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the utility model provides a make dike machine shovel plate with bionical geometry to be used for solving current shovel plate working resistance big, touch the problem that geotechnique's work surface soil adhesion is serious and wearing and tearing are serious, the ability of breaking ground is poor.
The utility model adopts the technical scheme that: a dike constructor shovel plate with bionic geometric structure can be applied to a dike constructor or other earth-touching parts, and the dike constructor can comprise a frame 6, a shovel plate 7 and a connector 8;
the working surface of the shovel plate 7 is provided with a circular truncated cone micro-convex body 1 and a circular truncated cone concave pit 2, and the circular truncated cone micro-convex body 1 and the circular truncated cone concave pit 2 are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate 7 in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body 1 is a conical pit 4, and the center of the lower bottom surface of the circular truncated cone pit 2 is a conical bulge 5;
the profile curve of the side surface of the blade edge 3 of the shovel plate is a bionic geometric curve with geometric characteristics of a lizard forepaw toe, and the front edge of the blade edge 3 of the shovel plate is of a zigzag bionic geometric structure with a dung beetle forepaw shank section.
Further, the thickness of the shovel plate 7 is L, the range of the L is 3 mm-6 mm, the length A of the shovel plate 7 is 200 mm-450 mm, and the width B is 120 mm-300 mm.
Furthermore, the diameter d1 of the upper bottom surface of each circular truncated cone micro-convex body 1 ranges from 5mm to 12mm, the diameter d 1' of the lower bottom surface ranges from 8mm to 20mm, the height h1 ranges from 1.5mm to 4.5mm, and the distance p between every two adjacent circular truncated cone micro-convex bodies 1 ranges from 15mm to 40 mm.
Furthermore, the conical concave pit 4 is positioned at the center of the upper bottom surface of the circular truncated cone micro-convex body 1, the diameter d4 ranges from 3mm to 12mm, and the height h4 ranges from 0.8mm to 5 mm.
Furthermore, the circular truncated cone pit 2 is positioned at the center of the four circular truncated cone microprotrusions 1 around, the diameter d2 of the lower bottom surface of the circular truncated cone pit 2 ranges from 5mm to 12mm, the diameter d 2' of the upper bottom surface ranges from 8mm to 20mm, and the depth h2 ranges from 0.6mm to 2 mm.
Furthermore, the conical bulge 5 is positioned at the center of the lower bottom surface of the circular truncated cone pit 2, the diameter d5 ranges from 3mm to 12mm, and the height h5 ranges from 0.3mm to 2.5 mm.
Further, the profile curve of the side surface of the blade edge 3 is a bionic geometric curve with a sand fish lizard forepaw toe, and the equation is as follows: f (x) 2x-3x-aIn (-x); wherein the value range of a is 0.15-0.6, and x is-20 mm to-1 mm or-16 mm to-1 mm or-24 mm to-1 mm;
3 leading edges of shovel board blade are the bionic geometric construction of smelly front foot shin section sawtooth shape of dung beetle has, and its equation is:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein the value range of a1 is 8-25, the value range of b1 is 0.1-0.3, the value range of c1 is-0.25 pi, and the value range of x is 0 mm-300 mm, or 0 mm-180 mm, or 0 mm-240 mm.
Furthermore, the distance from the circular truncated cone microprotrusions 1 distributed on the outermost layer of the shovel plate 7 to the connection with the cutting edge 3 of the shovel plate is p1, and the distance from the circular truncated cone microprotrusions 1 to the edges of the two sides of the shovel plate 7 is p2, wherein the value of p1 ranges from 15mm to 40mm, and p1 is p 2.
The principle of the utility model is that:
the utility model discloses a bionic structure design's method utilizes reverse engineering technique, turns into mechanical structure's parameter and structural feature with some microstructure characteristics that organism table and limbs had, is applied to among agricultural machine's the design to satisfy engineering technique's needs.
In the utility model, the soil cave animal sand fish exendin forepaw toe and stink dung beetle forepaw shank sawtooth structure with the ultra-micro structure with excellent wear resistance and high-efficiency excavating capacity on the surface of the red-dotted rat belly scale is taken as a bionic prototype; the super-micro structure on the abdominal scale surface of the Elaphe carinata is formed by periodically arranging conical micro-convex bodies and pits, wherein the pits are positioned in the middle of four peripheral conical micro-convex bodies, and the Elaphe carinata freely moves in muddy soil and has a good self-cleaning function and excellent wear resistance; the sand fish lizard is a desert lizard living in arid and semiarid desert edge zones, the front paw toe of the sand fish lizard is a key part for carrying out sandy soil excavation, compared with common soil excavation animals, the front paw toe of the sand fish lizard is particularly thick, the outline curve is arc-shaped, the configuration of the sand fish lizard is very suitable for excavation after long-term evolution, stress concentration can be released, the mechanical strength of the paw toe is enhanced, and meanwhile, the paw toe configuration has good cutting and wear resistance; the surface between the outer dorsal ridge and the ventral ridge of the front foot shank of the dung beetle is provided with shallow round or oval depressions, the ventral surface is provided with a large number of shallow long depressions in a zigzag structure, and the dung beetle can enhance the soil entering capability and has good cutting and wear-resisting properties when a cave is dug.
The utility model discloses in to the super micro-structure and sand fish front claw toe on red some brocade snake belly scale surface, the bionical geometry curve that smelly dung beetle front foot shin section had abstracts and simplifies, design round platform microprotrusion and round platform pit structure, and the last bottom surface central point of round platform microprotrusion is circular cone pit, bottom surface central point is circular cone arch under the round platform pit, use these structures to build on the quick-witted shovel plate working surface, the bionical earth work surface that touches that round platform microprotrusion and round platform pit crisscross distribution is designed, the continuity that water film or water ring formed can be destroyed to round platform microprotrusion and round platform pit, make soil drop from the shovel plate surface more easily, can reduce the soil adhesion and the wearing and tearing that the shovel plate touched earth work surface, reduce the resistance of burying. The side profile of the blade edge of the shovel plate is a Saimi front claw toe arc bionic geometric curve, the front edge of the blade edge is of a bionic geometric structure with a smelly dung beetle front foot section sawtooth shape, the soil penetrating and soil crushing capacity of the shovel plate can be effectively increased, and the purpose of reducing the working resistance of the dike constructor is achieved.
At the present stage, the soil-contacting working surface of the shovel plate of the dike constructor is mainly a smooth plane surface, soil adhesion is easily formed when the shovel plate is in contact with soil, the dike and the furrow are not easy to fall off, the working resistance is increased, the constructed dike and the furrow have poor effects, the edge of the shovel plate is of a linear type, and the dike has large resistance and is easy to wear when entering the soil. The shovel board touch soil working surface of the utility model adopts a novel bionic non-smooth surface form of an ultramicro structure of the red-spot Elaphe carinata abdominal scale surface, and the conical micro-convex bodies and the pits are uniformly and transversely distributed on the shovel board working surface in a crossed way, so that the continuity of the formation of a water film or a water ring can be destroyed, the soil is more easily dropped off from the shovel board surface, the adhesion is not easy, and meanwhile, the wear resistance of the touch soil surface can be increased; the side profile of the shovel plate cutting edge adopts a bionic geometric curve of a scarab forepaw toe, the front edge of the shovel plate cutting edge is of a bionic geometric structure of a shank sawtooth-shaped section of a scarab forepaw, the soil-entering capacity can be increased, the soil-breaking effect is good, and the farming resistance can be effectively reduced.
The utility model has the advantages that:
the side profile and the front edge of the cutting edge of the shovel plate are respectively a bionic geometric curve with geometrical characteristics of a scarab forepaw toe of a sandfish and a cutting edge with a bionic geometric structure of a shank section saw-toothed of a front foot of a dung beetle, so that the capability of cutting soil is stronger, the resistance to soil penetration can be reduced, the soil breaking effect is good, the working resistance can be effectively reduced, and the wear resistance is good; the shovel board touches earth's working surface and can form continuous water ring or water film when soil contact, and the shovel board touches little convex body of round platform and the continuity that the round platform pit structure of the even horizontal cross distribution range of earth's working surface can destroy the water film and form, make the difficult continuous formation of water film, the adhesive force of soil has been reduced, the clod drops on the shovel board surface more easily just, the shovel board is difficult for appearing the adhesion phenomenon, the working resistance has been reduced, can reduce the wearing and tearing on shovel board surface simultaneously, it is effectual to build soil dike and furrow when using on the machine of building, be favorable to farmland soil retaining soil moisture conservation and prevent soil erosion and water loss.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the shovel plate of the present invention;
FIG. 3 is a partial enlarged view of the shovel plate of the present invention;
FIG. 4 is a partial enlarged view of the soil-contacting surface of the shovel plate of the present invention;
fig. 5 is a top view of the shovel plate of the present invention;
FIG. 6 is a side view of the blade of the present invention;
FIG. 7 is a front enlarged view of a portion of the shovel plate of the present invention;
FIG. 8 is a schematic view of the truncated cone shaped micro-protrusions and the conical depressions of the present invention;
FIG. 8.1 is a front view and a side view of the inventive truncated cone micro-convex body and the conical concave pit;
FIG. 8.2 is a top view of the truncated cone shaped micro-convex body and the conical concave pit of the present invention;
fig. 9 is a schematic view of a circular truncated cone pit and a circular truncated cone bulge;
fig. 9.1 is a front view and a side view of the circular truncated cone pits and the circular truncated cone protrusions of the present invention;
fig. 9.2 is a top view of the circular truncated cone pits and the circular truncated cone protrusions of the present invention;
FIG. 10 is a schematic side profile view of the cutting edge of the blade of the present invention;
FIG. 11 is a schematic view of the leading edge of the cutting edge of the blade of the present invention;
fig. 12 is a partial schematic view of the circular truncated cone micro-protrusions and the circular truncated cone pits of the present invention.
The various reference numbers in FIGS. 1-12: 1-a circular truncated cone micro-convex body, 2-a circular truncated cone pit, 3-a shovel plate cutting edge, 4-a circular cone pit, 5-a circular cone bulge, 6-a rack, 7-a shovel plate and 8-a connector.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1: 1-12, a dike constructor shovel with bionic geometry, which can be applied to dike constructors or other earth-contacting parts, and can comprise a frame 6, a shovel 7 and a connector 8; the working surface of the shovel plate 7 is provided with a circular truncated cone micro-convex body 1 and a circular truncated cone concave pit 2, and the circular truncated cone micro-convex body 1 and the circular truncated cone concave pit 2 are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate 7 in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body 1 is a conical pit 4, and the center of the lower bottom surface of the circular truncated cone pit 2 is a conical bulge 5;
the profile curve of the side surface of the blade edge 3 of the shovel plate is a bionic geometric curve with geometric characteristics of a lizard forepaw toe, and the front edge of the blade edge 3 of the shovel plate is of a zigzag bionic geometric structure with a dung beetle forepaw shank section.
Further, the thickness of the shovel plate 7 is L, L is 4mm, the length A of the shovel plate 7 is 300mm, and the width B of the shovel plate is 180 mm.
Further, the diameter d1 of the upper bottom surface of each circular truncated cone microprotrusion 1 is 5mm, the diameter d 1' of the lower bottom surface is 10mm, the height h1 is 2mm, and the distance p between every two adjacent circular truncated cone microprotrusions 1 is 16 mm.
Furthermore, the conical concave pit 4 is positioned at the center of the upper bottom surface of the circular truncated cone microprotrusion 1, the diameter d4 of the conical concave pit is 4mm, and the height h4 of the conical concave pit is 1.5 mm.
Furthermore, the circular truncated cone pits 2 are positioned at the center positions of the four circular truncated cone microprotrusions 1 around, the diameter d2 of the lower bottom surface of each circular truncated cone pit 2 is 5mm, the diameter d 2' of the upper bottom surface of each circular truncated cone pit 2 is 10mm, and the depth h2 of each circular truncated cone pit is 1 mm.
Furthermore, the conical bulge 5 is positioned at the center of the lower bottom surface of the circular truncated cone pit 2, the diameter d5 of the conical bulge is 4mm, and the height h5 of the conical bulge is 0.8 mm.
Further, the profile curve of the side surface of the blade edge 3 is a bionic geometric curve with a sand fish lizard forepaw toe, and the equation is as follows: f (x) 2x-3x-aIn(-x)；
Wherein a is 0.2, x is-16 mm-1 mm;
3 leading edges of shovel board blade are the bionic geometric construction of smelly front foot shin section sawtooth shape of dung beetle has, and its equation is:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein a1 is 8, b1 is 0.3, c1 is 0, and x ranges from 0mm to 180 mm.
Furthermore, the distance from the circular truncated cone microprotrusions 1 distributed on the outermost layer of the shovel plate 7 to the connection with the cutting edge 3 of the shovel plate is p1, and the distance from the circular truncated cone microprotrusions 1 to the two side edges of the shovel plate 7 is p2, wherein p1 is 16mm, and p1 is p 2.
The bionic geometric structure of the dike constructor shovel plate with the bionic geometric structure in the embodiment is characterized in that: the circular truncated cone micro-convex bodies and the circular truncated cone concave pits have small diameters, the space between the adjacent circular truncated cone micro-convex bodies is small, the sizes of the circular truncated cone concave pits and the circular truncated cone convex pits are small, the circular truncated cone micro-convex bodies and the circular truncated cone concave pits are densely distributed on the soil-contact working surface of the shovel plate, the quantity of the circular truncated cone concave pits is large, soil blocks are easy to fall off on the soil-contact working surface of the shovel plate, only a small amount of adhesion phenomena exist, certain desorption and resistance reduction capacity is realized, the abrasion on the surface of the shovel plate can be reduced, and the soil-; the bionic geometric curve x of the front claw toe of the sand fish which is possessed by the edge profile of the shovel plate has a small value range, namely the extension distance of the edge is small, the tooth shape of the bionic geometric structure of the sawtooth shape at the outer edge of the edge is small, the quantity is large, the soil breaking effect is good, the wear resistance is good, and the working resistance of the dike constructor can be effectively reduced.
Example 2: 1-12, a dike constructor shovel with bionic geometry, which can be applied to dike constructors or other earth-contacting parts, and can comprise a frame 6, a shovel 7 and a connector 8; the working surface of the shovel plate 7 is provided with a circular truncated cone micro-convex body 1 and a circular truncated cone concave pit 2, and the circular truncated cone micro-convex body 1 and the circular truncated cone concave pit 2 are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate 7 in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body 1 is a conical pit 4, and the center of the lower bottom surface of the circular truncated cone pit 2 is a conical bulge 5;
the profile curve of the side surface of the blade edge 3 of the shovel plate is a bionic geometric curve with geometric characteristics of a lizard forepaw toe, and the front edge of the blade edge 3 of the shovel plate is of a zigzag bionic geometric structure with a dung beetle forepaw shank section.
Further, the thickness of the shovel plate 7 is L, L is 5mm, the length a of the shovel plate 7 is 360mm, and the width B is 200 mm.
Further, the diameter d1 of the upper bottom surface of each circular truncated cone microprotrusion 1 is 8mm, the diameter d 1' of the lower bottom surface of each circular truncated cone microprotrusion 1 is 16mm, the height h1 of each circular truncated cone microprotrusion is 3mm, and the distance p between every two adjacent circular truncated cone microprotrusions 1 is 25 mm.
Furthermore, the conical concave pit 4 is positioned at the center of the upper bottom surface of the circular truncated cone microprotrusion 1, the diameter d4 of the conical concave pit is 6mm, and the height h4 of the conical concave pit is 2.5 mm.
Furthermore, the circular truncated cone pits 2 are positioned at the center positions of the four circular truncated cone microprotrusions 1 around, the diameter d2 of the lower bottom surface of each circular truncated cone pit 2 is 8mm, the diameter d 2' of the upper bottom surface of each circular truncated cone pit 2 is 16mm, and the depth h2 of each circular truncated cone pit is 1.2 mm.
Further, the conical protrusion 5 is located at the center of the lower bottom surface of the circular truncated cone pit 2, the diameter d5 of the conical protrusion is 6mm, and the height h5 of the conical protrusion is 1.5 mm.
Further, the profile curve of the side surface of the blade edge 3 is a bionic geometric curve with a sand fish lizard forepaw toe, and the equation is as follows: f (x) 2x-3x-aIn(-x)；
Wherein a is 0.3, x is-20 mm to-1 mm;
3 leading edges of shovel board blade are the bionic geometric construction of smelly front foot shin section sawtooth shape of dung beetle has, and its equation is:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein a1 is 16, b1 is 0.2, c1 is 0, and x ranges from 0mm to 240 mm.
Furthermore, the distance from the circular truncated cone microprotrusions 1 distributed on the outermost layer of the shovel plate 7 to the connection with the cutting edge 3 of the shovel plate is p1, and the distance from the circular truncated cone microprotrusions 1 to the two side edges of the shovel plate 7 is p2, wherein p1 is 25mm, and p1 is p 2.
The bionic geometric structure of the dike constructor in the embodiment is characterized in that: the diameters of the circular truncated cone micro-convex bodies and the circular truncated cone concave pits are larger, the space between the adjacent circular truncated cone micro-convex bodies is larger, the volumes of the circular truncated cone concave pits and the circular truncated cone convex pits are larger, the circular truncated cone micro-convex bodies and the circular truncated cone concave pits are distributed on the soil contact working surface of the shovel plate more densely, the number of the circular truncated cone micro-convex bodies and the circular truncated cone concave pits is larger, soil blocks are easy to fall off on the soil contact working surface of the shovel plate, the desorption and drag reduction capabilities are stronger, the abrasion on the surface of the shovel plate; the bionic geometric curve x of the front claw toe of the sand fish which the edge profile of the shovel plate has a large value range, namely the extension distance of the edge is large, the tooth shape of the bionic geometric structure of the sawtooth shape at the outer edge of the edge is large, the quantity is small, the soil-penetrating capacity is strong, the soil-breaking effect is good, the wear resistance is good, and the working resistance of the dike constructor can be effectively reduced.
Example 3: 1-12, a dike constructor shovel with bionic geometry, which can be applied to dike constructors or other earth-contacting parts, and can comprise a frame 6, a shovel 7 and a connector 8; the working surface of the shovel plate 7 is provided with a circular truncated cone micro-convex body 1 and a circular truncated cone concave pit 2, and the circular truncated cone micro-convex body 1 and the circular truncated cone concave pit 2 are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate 7 in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body 1 is a conical pit 4, and the center of the lower bottom surface of the circular truncated cone pit 2 is a conical bulge 5;
the profile curve of the side surface of the blade edge 3 of the shovel plate is a bionic geometric curve with geometric characteristics of a lizard forepaw toe, and the front edge of the blade edge 3 of the shovel plate is of a zigzag bionic geometric structure with a dung beetle forepaw shank section.
Further, the thickness of the shovel plate 7 is L, L is 6mm, the length A of the shovel plate 7 is 450mm, and the width B of the shovel plate 7 is 280 mm.
Further, the diameter d1 of the upper bottom surface of each circular truncated cone microprotrusion 1 is 12mm, the diameter d 1' of the lower bottom surface is 20mm, the height h1 is 3.5mm, and the distance p between every two adjacent circular truncated cone microprotrusions 1 is 36 mm.
Furthermore, the conical concave pit 4 is positioned at the center of the upper bottom surface of the circular truncated cone microprotrusion 1, the diameter d4 of the conical concave pit is 10mm, and the height h4 of the conical concave pit is 3 mm.
Furthermore, the circular truncated cone pits 2 are positioned at the center positions of the four circular truncated cone microprotrusions 1 around, the diameter d2 of the lower bottom surface of each circular truncated cone pit 2 is 12mm, the diameter d 2' of the upper bottom surface of each circular truncated cone pit 2 is 20mm, and the depth h2 of each circular truncated cone pit is 2 mm.
Furthermore, the conical bulge 5 is positioned at the center of the lower bottom surface of the circular truncated cone pit 2, the diameter d5 of the conical bulge is 10mm, and the height h5 of the conical bulge is 1.5 mm.
Further, the profile curve of the side surface of the blade edge 3 is a bionic geometric curve with a sand fish lizard forepaw toe, and the equation is as follows: f (x) 2x-3x-aIn(-x)；
Wherein a is 0.5, x is-24 mm-1 mm;
3 leading edges of shovel board blade are the bionic geometric construction of smelly front foot shin section sawtooth shape of dung beetle has, and its equation is:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein a1 is 24, b1 is 0.1, c1 is 0, and x ranges from 0mm to 300 mm.
Furthermore, the distance from the circular truncated cone microprotrusions 1 distributed on the outermost layer of the shovel plate 7 to the connection with the cutting edge 3 of the shovel plate is p1, and the distance from the circular truncated cone microprotrusions 1 to the two side edges of the shovel plate 7 is p2, wherein p1 is 36mm, and p1 is p 2.
The bionic geometric structure of the dike constructor in the embodiment is characterized in that: the diameters of the circular truncated cone micro-convex bodies and the circular truncated cone concave pits are large, the distance between every two adjacent circular truncated cone micro-convex bodies is large, the volumes of the circular truncated cone concave pits and the circular truncated cone convex pits are large, the circular truncated cone micro-convex bodies and the circular truncated cone concave pits are distributed on the earth-contacting surface of the shovel plate loosely, soil blocks are more easily shed on the earth-contacting surface of the shovel plate, the desorption and resistance-reduction capability is strong, the working resistance can be reduced, the abrasion on the surface of the shovel plate can be reduced, and the earth-contacting surface of the shovel plate has excellent; the bionic geometric curve x of the front claw toe of the sand fish which is possessed by the edge profile of the shovel plate has a large value range, namely the extension distance of the edge is large, the tooth form of the bionic geometric structure of the sawtooth shape at the outer edge of the edge is large, the quantity is small, the soil-penetrating capability is strong, the soil-breaking effect is good, the wear resistance is good, and the working resistance of the dike constructor can be effectively reduced.
Example 4: 1-12, a dike constructor shovel with bionic geometry, which can be applied to dike constructors or other earth-contacting parts, and can comprise a frame 6, a shovel 7 and a connector 8; the working surface of the shovel plate 7 is provided with a circular truncated cone micro-convex body 1 and a circular truncated cone concave pit 2, and the circular truncated cone micro-convex body 1 and the circular truncated cone concave pit 2 are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate 7 in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body 1 is a conical pit 4, and the center of the lower bottom surface of the circular truncated cone pit 2 is a conical bulge 5;
the profile curve of the side surface of the blade edge 3 of the shovel plate is a bionic geometric curve with geometric characteristics of a lizard forepaw toe, and the front edge of the blade edge 3 of the shovel plate is of a zigzag bionic geometric structure with a dung beetle forepaw shank section.
Further, the thickness of the shovel plate 7 is L, L is 3mm, the length a of the shovel plate 7 is 200mm, and the width B is 120 mm.
Further, the diameter d1 of the upper bottom surface of each circular truncated cone microprotrusion 1 is 5mm, the diameter d 1' of the lower bottom surface is 8mm, the height h1 is 1.5mm, and the distance p between every two adjacent circular truncated cone microprotrusions 1 is 15 mm.
Furthermore, the conical concave pit 4 is positioned at the center of the upper bottom surface of the circular truncated cone microprotrusion 1, the diameter d4 of the conical concave pit is 3mm, and the height h4 of the conical concave pit is 0.8 mm.
Furthermore, the circular truncated cone pits 2 are positioned at the center positions of the four circular truncated cone microprotrusions 1 around, the diameter d2 of the lower bottom surface of each circular truncated cone pit 2 is 5mm, the diameter d 2' of the upper bottom surface of each circular truncated cone pit 2 is 8mm, and the depth h2 of each circular truncated cone pit is 0.6 mm.
Furthermore, the conical bulge 5 is positioned at the center of the lower bottom surface of the circular truncated cone pit 2, the diameter d5 of the conical bulge is 3mm, and the height h5 of the conical bulge is 0.3 mm.
Further, the profile curve of the side surface of the blade edge 3 is a bionic geometric curve with a sand fish lizard forepaw toe, and the equation is as follows: f (x) 2x-3x-aIn (-x); wherein a is 0.15, x is-20 mm to-1 mm; 3 leading edges of shovel board blade are the bionic geometric construction of smelly front foot shin section sawtooth shape of dung beetle has, and its equation is:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein a1 is 8, b1 is 0.1, c1 is-0.25 pi, and x is 0 mm-300 mm.
Furthermore, the distance from the circular truncated cone microprotrusions 1 distributed on the outermost layer of the shovel plate 7 to the connection with the cutting edge 3 of the shovel plate is p1, and the distance from the circular truncated cone microprotrusions 1 to the two side edges of the shovel plate 7 is p2, wherein p1 is 15mm, and p1 is p 2.
Example 5: 1-12, a dike constructor shovel with bionic geometry, which can be applied to dike constructors or other earth-contacting parts, and can comprise a frame 6, a shovel 7 and a connector 8; the working surface of the shovel plate 7 is provided with a circular truncated cone micro-convex body 1 and a circular truncated cone concave pit 2, and the circular truncated cone micro-convex body 1 and the circular truncated cone concave pit 2 are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate 7 in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body 1 is a conical pit 4, and the center of the lower bottom surface of the circular truncated cone pit 2 is a conical bulge 5;
the profile curve of the side surface of the blade edge 3 of the shovel plate is a bionic geometric curve with geometric characteristics of a lizard forepaw toe, and the front edge of the blade edge 3 of the shovel plate is of a zigzag bionic geometric structure with a dung beetle forepaw shank section.
Further, the thickness of the shovel plate 7 is L, L is 5mm, the length a of the shovel plate 7 is 300mm, and the width B is 200 mm.
Further, the diameter d1 of the upper bottom surface of each circular truncated cone microprotrusion 1 is 10mm, the diameter d 1' of the lower bottom surface of each circular truncated cone microprotrusion 1 is 10mm, the height h1 of each circular truncated cone microprotrusion is 3mm, and the distance p between every two adjacent circular truncated cone microprotrusions 1 is 30 mm.
Furthermore, the conical concave pit 4 is positioned at the center of the upper bottom surface of the circular truncated cone microprotrusion 1, the diameter d4 of the conical concave pit is 8mm, and the height h4 of the conical concave pit is 3 mm.
Furthermore, the circular truncated cone pits 2 are positioned at the center positions of the four circular truncated cone microprotrusions 1 around, the diameter d2 of the lower bottom surface of each circular truncated cone pit 2 is 8mm, the diameter d 2' of the upper bottom surface of each circular truncated cone pit 2 is 10mm, and the depth h2 of each circular truncated cone pit is 1 mm.
Furthermore, the conical bulge 5 is positioned at the center of the lower bottom surface of the circular truncated cone pit 2, the diameter d5 of the conical bulge is 8mm, and the height h5 of the conical bulge is 2 mm.
Further, the profile curve of the side surface of the blade edge 3 is a bionic geometric curve with a sand fish lizard forepaw toe, and the equation is as follows: f (x) 2x-3x-aIn (-x); wherein a is 0.15-0.6, and x is-16 mm to-1 mm; 3 leading edges of shovel board blade are the bionic geometric construction of smelly front foot shin section sawtooth shape of dung beetle has, and its equation is:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein a1 is 24, b1 is 0.2, c1 is 0, and x is 0-180 mm.
Further, the distance from the circular truncated cone microprotrusions 1 distributed on the outermost layer of the shovel plate 7 to the connection with the cutting edge 3 of the shovel plate is p1, and the distance from the circular truncated cone microprotrusions 1 to the two side edges of the shovel plate 7 is p2, wherein p1 is 30mm, and p1 is p 2.
Example 6: 1-12, a dike constructor shovel with bionic geometry, which can be applied to dike constructors or other earth-contacting parts, and can comprise a frame 6, a shovel 7 and a connector 8; the working surface of the shovel plate 7 is provided with a circular truncated cone micro-convex body 1 and a circular truncated cone concave pit 2, and the circular truncated cone micro-convex body 1 and the circular truncated cone concave pit 2 are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate 7 in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body 1 is a conical pit 4, and the center of the lower bottom surface of the circular truncated cone pit 2 is a conical bulge 5;
the profile curve of the side surface of the blade edge 3 of the shovel plate is a bionic geometric curve with geometric characteristics of a lizard forepaw toe, and the front edge of the blade edge 3 of the shovel plate is of a zigzag bionic geometric structure with a dung beetle forepaw shank section.
Further, the thickness of the shovel plate 7 is L, the value range of L is 6mm, the length a of the shovel plate 7 is 450mm, and the width B of the shovel plate is 300 mm.
Further, the diameter d1 of the upper bottom surface of each circular truncated cone microprotrusion 1 is 12mm, the diameter d 1' of the lower bottom surface is 20mm, the height h1 is 4.5mm, and the distance p between every two adjacent circular truncated cone microprotrusions 1 is 40 mm.
Furthermore, the conical concave pit 4 is positioned at the center of the upper bottom surface of the circular truncated cone microprotrusion 1, the diameter d4 of the conical concave pit is 12mm, and the height h4 of the conical concave pit is 5 mm.
Furthermore, the circular truncated cone pits 2 are positioned at the center positions of the four circular truncated cone microprotrusions 1 around, the diameter d2 of the lower bottom surface of each circular truncated cone pit 2 is 12mm, the diameter d 2' of the upper bottom surface of each circular truncated cone pit 2 is 20mm, and the depth h2 of each circular truncated cone pit is 2 mm.
Further, the conical protrusion 5 is located at the center of the lower bottom surface of the circular truncated cone pit 2, the diameter d5 of the conical protrusion is 12mm, and the height h5 of the conical protrusion is 2.5 mm.
Further, the profile curve of the side surface of the blade edge 3 is a bionic geometric curve with a sand fish lizard forepaw toe, and the equation is as follows: f (x) 2x-3x-aIn (-x); wherein a is 0.6, x is-24 mm-1 mm;
3 leading edges of shovel board blade are the bionic geometric construction of smelly front foot shin section sawtooth shape of dung beetle has, and its equation is:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein a1 is 25, b1 is 0.3, c1 is 0.25 pi, and x is 0 mm-240 mm.
Furthermore, the distance from the circular truncated cone microprotrusions 1 distributed on the outermost layer of the shovel plate 7 to the connection with the cutting edge 3 of the shovel plate is p1, and the distance from the circular truncated cone microprotrusions 1 to the two side edges of the shovel plate 7 is p2, wherein p1 is 40mm, and p1 is p 2.
While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A scraper plate of a dike constructor with a bionic geometric structure is characterized in that:
the working surface of the shovel plate (7) is provided with a circular truncated cone micro-convex body (1) and a circular truncated cone concave pit (2), and the circular truncated cone micro-convex body (1) and the circular truncated cone concave pit (2) are uniformly and transversely distributed on the soil-contacting working surface of the shovel plate (7) in a crossed manner; the upper bottom surface of the circular truncated cone micro-convex body (1) is a conical pit (4), and the center of the lower bottom surface of the circular truncated cone pit (2) is a conical bulge (5);
the profile curve of the side surface of the shovel plate cutting edge (3) is a bionic geometric curve with geometrical characteristics of the front claw and toe of the Saury, and the front edge of the shovel plate cutting edge (3) is of a zigzag bionic geometric structure with the front leg and shin section of the dung beetle.
2. The dike constructor blade having a bionic geometry according to claim 1, wherein:
the thickness of the shovel plate (7) is L, the value range of L is 3-6 mm, the length A of the shovel plate (7) is 200-450 mm, and the width B of the shovel plate is 120-300 mm.
3. The dike constructor blade having a bionic geometry according to claim 1, wherein: the diameter d1 of the upper bottom surface of each circular truncated cone micro-convex body (1) ranges from 5mm to 12mm, the diameter d 1' of the lower bottom surface ranges from 8mm to 20mm, the height h1 ranges from 1.5mm to 4.5mm, and the distance p between every two adjacent circular truncated cone micro-convex bodies (1) ranges from 15mm to 40 mm.
4. The dike constructor blade having a bionic geometry according to claim 1, wherein: the conical concave pit (4) is positioned at the center of the upper bottom surface of the circular truncated cone micro-convex body (1), the diameter d4 ranges from 3mm to 12mm, and the height h4 ranges from 0.8mm to 5 mm.
5. The dike constructor blade having a bionic geometry according to claim 1, wherein: the circular truncated cone pit (2) is positioned at the center of four circular truncated cone microprotrusions (1) around, the diameter d2 of the lower bottom surface of the circular truncated cone pit (2) ranges from 5mm to 12mm, the diameter d 2' of the upper bottom surface ranges from 8mm to 20mm, and the depth h2 ranges from 0.6mm to 2 mm.
6. The dike constructor blade having a bionic geometry according to claim 1, wherein: the conical bulge (5) is positioned at the center of the lower bottom surface of the circular truncated cone pit (2), the diameter d5 ranges from 3mm to 12mm, and the height h5 ranges from 0.3mm to 2.5 mm.
7. The dike constructor blade having a bionic geometry according to claim 1, wherein: the profile curve of the side surface of the cutting edge (3) of the shovel plate is a bionic geometric curve with a front claw toe of a saury, and the equation is as follows: f (x) 2x-3x-aIn (-x); wherein the value range of a is 0.15-0.6, and x is-20 mm to-1 mm or-16 mm to-1 mm or-24 mm to-1 mm;
the front edge of the shovel plate cutting edge (3) is of a toothed bionic geometric structure with a front foot shank section of a dung beetle, and the equation is as follows:
f1(x)＝∣a1*sin(b1*x+c1)∣+a1*e-b1*x+c1
wherein the value range of a1 is 8-25, the value range of b1 is 0.1-0.3, the value range of c1 is-0.25 pi, and the value range of x is 0 mm-300 mm, or 0 mm-180 mm, or 0 mm-240 mm.
8. The dike constructor blade having a bionic geometry according to claim 1, wherein: the distance from the circular truncated cone micro-convex body (1) distributed on the outermost layer of the shovel plate (7) to the joint of the circular truncated cone micro-convex body and the edge (3) of the shovel plate is p1, the distance from the circular truncated cone micro-convex body to the edges of the two sides of the shovel plate (7) is p2, the value range of p1 is 15-40 mm, and p1 is p 2.
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| CN201920565246.1U CN210183807U (en) | 2019-04-24 | 2019-04-24 | Dike constructing shovel plate with bionic geometric structure |
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| CN201920565246.1U CN210183807U (en) | 2019-04-24 | 2019-04-24 | Dike constructing shovel plate with bionic geometric structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110089210A (en) * | 2019-04-24 | 2019-08-06 | 昆明理工大学 | It is a kind of to build innovation mechanical shovel plate with bionic geometric structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110089210A (en) * | 2019-04-24 | 2019-08-06 | 昆明理工大学 | It is a kind of to build innovation mechanical shovel plate with bionic geometric structure |
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