CN104855234B - Spade of tree-transplanting machine with desorption and resistance-reduction functions - Google Patents
Spade of tree-transplanting machine with desorption and resistance-reduction functions Download PDFInfo
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- CN104855234B CN104855234B CN201510230220.8A CN201510230220A CN104855234B CN 104855234 B CN104855234 B CN 104855234B CN 201510230220 A CN201510230220 A CN 201510230220A CN 104855234 B CN104855234 B CN 104855234B
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- spade
- circular arc
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- shoveled
- soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/04—Transplanting trees; Devices for grasping the root ball, e.g. stump forceps; Wrappings or packages for transporting trees
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Road Paving Structures (AREA)
Abstract
Provided is a spade of a tree-transplanting machine with desorption and resistance-reduction functions. The spade comprises spade bodies. The front end of each spade body is a soil piercing end having two convex-type side edge parts and the back end of each spade body is a top wing end having two concave-type spade shoulders. A soil-touching curved surface is formed in such a manner that an element line parallelly stretches along a neat line. The element line is formed by connection of a first circular arc segment, a second circular arc segment and a third circular arc segment in sequence. The diameter ratio of the first circular arc segment, the second circular arc segment and the third circular arc segment is 1:1.033:1. The ratio of central angles of the first circular arc segment, the second circular arc segment and the third circular arc segment is 1:0.897:1. The neat line is in accord with a parameter equation x=0.0000196817t<3>-0.0066395974t<2>+1.5884557962t and y=-0.0000268889t<3>+0.0090709577t<2>-0.7555908377t, wherein the value range of t ranges from 0 to 150. The spade of the tree-transplanting machine with desorption and resistance-reduction functions has following beneficial effects: during operation, soil pressure can be dispersed, a soil-touching area is decreased and a soil stress structure is changed so that soil adhesion and soil resistance are reduced.
Description
Technical field
The present invention relates to graden machine technical field, specifically a kind of tree transplanter with desorption anti-drag function
Spade is shoveled.
Background technology
With the fast development and the continuous improvement of Urban Green Ecologlcal Environmnt construction requirements of China's Modernized City Construction,
In China's landscape engineering, tree transplanter has obtained increasing application.The transplanting tree applied in production practices
Machine, is mainly made up of frame, spade shovel, guide rail, hydraulic cylinder and elevating mechanism, wherein, spade shovel is that tree transplanter carries out transplanting work
The main working parts of industry.Tree transplanter perching knife quantity used in production typically has 3 ~ 4, and perching knife number is by the shovel that works
Shape, structural parameters, master-plan, using the factors such as operating mode, working environment determine, under identical working condition, work shovel number
Fewer, then single shovel working resistance is relatively large, and spade shovel service life shortens.
Spade spade shape on domestic market is broadly divided into rhombus spade shovel and cochlear spade shovel, the transplanter shoveled using rhombus
At the end of excavation, shovel group can form an open circles conical surface on ground, therefore, each rhombus shovel can regard taper seat as
A part.It is curve that cochlear spade shovel is a kind of sphere shovel, vertical cutting plane and the intersection of shovel work surface, and transversal plane works with perching knife
The intersection in face is also curve.Shovel group is in hollow ellipse spheroid during transplanter spade shovel closure.For rhombus spade shovel, spade shovel is general
The inside of guide rail is all configured in, when the soil ball of same specification is excavated, due to the straight line that rhombus shovel is moved on line slideway
Can be longer apart from opposing curves guide rail, therefore this transplanting mechanism overall dimensions are relatively large, working resistance is also larger, excavates phase
With the diameter of a cross-section of a tree trunk 1.3 meters above the ground trees when need bigger power.Practice have shown that rhombus spade shovels transplanter shovels transplanter relative to cochlear spade, generally
There is work efficiency not high, energy utilization rate is low, tree root excavates incomplete shortcoming；For cochlear spade shovel, transplant
The overall dimensions of machine are relatively small, and the soil ball volume that shovel group is contained is big with respect to rhombus shovel, and the tree root of reservation is more, to transplanting
Afterwards the growth of trees is favourable, and the spade shovel structure of this kind of form is used for the transplanting of big tree or the less nursery stock of seeding row spacing.But it is real
Trample and show that the shovel transplanter generally existing soil adhesion of cochlear spade is serious, the weakness of perching knife flexible type.
Transplanting tree is used as a protection natural resources and the quick important means and skill for improving life of urban resident quality
Art measure, increasingly obtained with its distinctive greening effect it is extensive pay attention to and generally adopt, practice have shown that, perching knife is touched
Energy expenditure, working resistance when native shape, structural parameters are to excavating, soil adhesion have significant effect, and how to design and provide
There is the tree transplanter spade shovel of efficiently desorption drag-reduction effect, be undoubtedly of great immediate significance.
The content of the invention
It is an object of the invention to provide a kind of tree transplanter spade shovel with desorption anti-drag function, based on geometry principle
Design is re-started to the structure of spade shovel so as to which working resistance and soil adhesion situation are substantially reduced.
The technical scheme that adopted for achieving the above object of the present invention for：A kind of transplanting tree with desorption anti-drag function
Machine spade is shoveled, including spade shovel body, and the concavo-convex two sides of spade shovel body is respectively in structure identical soil face and the outer tactile native face of touching, spade shovel
The front end of body is the end of burying with two convex side blades, and rear end is the roof limb end that shoulder is shoveled with two matrixs, wherein, two
The leading section of individual convex side blade is intersected, and the rearward end of two convex side blades connects respectively with the leading section of two matrix shovel shoulders
Connect, the rearward end of two matrix shovel shoulders is connected by circular arc line segment；The interior tactile native face of spade shovel body is by first line along the parallel drawing of directrix
Stretch and form, first line be by diameter ratio be 1：1.033：1st, central angle ratio is 1:0.897:1 the first circular arc line segment, the second circular arc line
Section and three-arc line segment are connected in sequence；Directrix meets parametric equation With, t spans are 0
~150。
In the present invention, the tactile native curved surface of spade shovel body makes the midpoint of the second circular arc line segment by first line vertical guideline direction
In directrix, it is made up of along directrix parallel drawing first line.
Existing known spade marginal texture is used on the spade body of the present invention, due to present invention defines spade
The interior tactile native face structure of shovel body, according to the tactile native face shape for limiting, the soil to moving thereon produces guiding effect, also
Spade can be made to reach the purpose of de- soil drag reduction.Preferably, two convex side blades of spade body can adopt prior art
In arcuate structure, it would however also be possible to employ gradually open form curvilinear structures, i.e. convex side blade and spade shovel the interior tactile native face of body and are connected
Contour line meet parametric equationWith, t spans are 0 ~ 150；Convex side
The contour line that the outer tactile native face that blade shovels body with spade is connected can also can be limited using arcuate structure by parametric equation：With , t spans are 0 ~ 150.The convex side edge limited by contour line equation
Portion's structure, with variable curvature feature, can change soil and the kinestate when end surface that buries is contacted is being shoveled with spade, shovel spade
With stronger bury ability and preferably de- soil ability.
In the present invention, it is circular arc line segment that matrix shovel shoulder and spade shovel the contour line that the interior tactile native face of body is connected, the circular arc line
Section is 1.403 with the diameter ratio of the first circular arc line segment:1st, central angle ratio is 4：3；Two matrixs of connection shovel the circular arc of shoulder rearward end
The diameter ratio of line segment and the first circular arc line segment is 1.033：1st, central angle ratio is 0.897：1.
In the present invention, spade shovel body touches the medial wall of soil curved surface and is provided with two reinforcements, and one of reinforcement is along each
The first circular arc line segment and the second circular arc line segment junction point extend in first line, another reinforcement along each first line the second circular arc line segment and
Three-arc line segment junction point extends；Vertical interval H between the medial wall and lateral wall of the tactile soil curved surface of spade shovel body1With reinforcement
Body is shoveled along spade touch the height H that the medial wall of soil curved surface is arranged2Between ratio be 75%, reinforcement can increase spade shovel it is firm
Degree, also spade shovelman as when play the guiding role.
In the present invention, spade shovel shovels body and constitutes by three spades, the intersection point position of convex side edge portion leading section in each spade shovel body
On same circumference, there is certain interval between the matrix shovel shoulder and the intersection point of convex side blade in two neighboring spade shovel body；
A diameter of 4mm of the circumference that the intersection point of convex side edge portion leading section is in each spade shovel body, in two neighboring spade shovel body
The air line distance that matrix is shoveled between shoulder and the intersection point of convex side blade is 30mm.
Beneficial effects of the present invention：1st, the present invention forms spade shovel and touches soil curved surface, first line by first line along directrix parallel drawing
Formed by three sections of circular sliding slopes, directrix has variable curvature characteristic, the tactile native curved surface for making first line continuously move along directrix, in spade
When shovelman makees, soil can be changed kinestate when surface contacts is being shoveled with spade, be embodied in：To the soil for moving thereon
Produce guiding effect, make soil particle produce roll, fluctuation effect, and reduce the soil particle quantity of contact surface, with existing skill
Art is compared, and is changed into based on being in rolling contact by original sliding contact is dominant, and with variable curvature the spade shovel of soil curved surface, energy are touched
The enough soil to moving produces smooth cutting effect, so as to reduce the working resistance of excavator, reduces soil particle and shovels with spade
Touch the contact probability of soil curved surface, it is to avoid soil adhesion touches soil curved surface in spade shovel.
2nd, in the present invention, the convex side blade and matrix of spade shovel body shovel shoulder respectively by gradually open form line segment and circular arc type line segment
Perpendicular cuts are formed, and gradually the form for curvature of open form line segment and directrix is presented first increases and then decreases, then the change reduced after increasing becomes
Gesture, this special form for curvature can change the kinestate of spade shovel convex side blade and soil contact site, axially push away
Under power effect, by the effect incision soil of two convex side blades, when convex side blade cuts soil, spade shovel makes the soil body point to spade shovel
From right because the effect of convex side blade makes the soil of cutting edge two sides produce the compound motion of downwardly and horizontally both direction
The soil of motion produces smooth cutting effect, so as to reduce working resistance when spade shovel buries.
3rd, spade of the invention is shoveled operationally, and the tactile native curved surface with variable curvature feature and convex side blade can change soil
Shoveling kinestate when surface contacts with spade, the stress field of soil shows as continuous fluctuating nature to earth, and stress field continues
Fluctuation can cause the probability that soil adhesion spade is shoveled to substantially reduce, and make spade spader have stronger bury ability and preferably de- soil effect
Really；Meanwhile, when spade shovels operation, ground pressure can be disperseed, reduce and touch soil area, change soil stress structure, so as to reduce
Soil adhesion, reduces soil resistance.
4th, spade of the invention shovel shovels bodies and constitutes by three spades, during spade shovel closure, the shovel shoulder of two neighboring spade shovel body and
There is certain interval, because the particular curve form that spade shovel touches soil curved surface and side edge portion can make therewith between the intersection point in side edge portion
Fluctuating nature is produced around the soil of contact, and then makes the soil between two neighboring spade shovel body space, due to undulatory property meeting
Automatically disengage soil body；Meanwhile, when working in the larger environment of water content, interspaced between two spade shovel bodies, with
The releasable unnecessary moisture in space at side edge subordinate end in each spade shovel body, and then reduce energy loss；The presence in space may be used also
The overall dimensions of reduction spade shovel, reduce to a certain extent the working resistance of single spade shovel.
Description of the drawings
Fig. 1 is the curvature diagram of the directrix equation of the present invention；
Fig. 2 is that first line is schemed along the state beginning that directrix is stretched in the present invention；
Fig. 3 is first line after directrix stretching into curved surface plane graph；
Fig. 4 is line of cut location view in figure 3 in embodiment 1；
Fig. 5 is the spade shovel body plane figure formed after the cutting of embodiment 1；
Fig. 6 is that convex side blade shovels the curvature diagram that body touches the contour line that soil face is connected with spade；
Fig. 7 is the spade shovel axonometric chart in the present invention.
Reference：1st, first line, 2, directrix, 3, spade shovel body, 4, matrix shovel shoulder, 5, convex side blade, 6, reinforcement.
Specific embodiment
In the specific implementation, as shown in fig. 7, the work spade shovel of the present invention is bolted on fixed guide rail by three
Spade shovel body 3 constitute, there is certain smoothness on three spades shovel body 3 surfaces, through Quenching Treatment, there is certain hardness and tough
Property.The interior tactile native face that the concavo-convex two sides of spade shovel body 3 has is identical with outer tactile native face shape, and interior tactile native face is provided with reinforcement
6, the front end of spade shovel body 3 is the end of burying with two convex side blades 5, and rear end is the roof limb that shoulder 4 is shoveled with two matrixs
End, wherein, the leading section of two convex side blades 5 is intersected, and the rearward end of two convex side blades 5 shovels shoulders with two matrixs respectively
4 leading section connection, the rearward end of two matrix shovel shoulders 4 is connected by circular arc line segment.Touch soil curved surface flat along directrix 2 by first line 1
Row stretching is formed, and again Jing has the curve perpendicular cuts of specific curvature to the curved surface for being formed, and ultimately forms and subtracts with good desorption
The work shovel of resistance effect.
First line 1 used by the present invention be by diameter ratio be 1：1.033：1st, central angle ratio is 1:0.897:1 the first circular arc
Line segment, the second circular arc line segment and three-arc line segment are connected in sequence, as shown in Figure 2：That is AB sections circular arc, BC sections circular arc and CD
Section circular arc, in solidworks the same coordinate systems, (26.57,56.24,7.58), radius is AB section center coordinate of arc
64.86,33 ° of central angle；(28.63,60.60,0), radius is 67.00038 to BC section center coordinate of arc, 29.601 ° of central angle；
The CD section circular arcs center of circle (26.57,56.24, -7.58), radius is 64.86,33 ° of central angle.
Directrix 2 used of the invention is compound gerotor type curve as shown in Fig. 2 being by parametric equation With It is to accumulate Curvature varying form as shown in figure 1, curve is bent in 0 ~ 150 curved section for drawing, directrix 2 in t spans
Rate variation tendency is presented first increases and then decreases, then the specific form for increasing and reducing.
Unit's line 1 of the invention stretches (as shown in Figure 2) along the curved surface of directrix 2, you can obtain curved surface as shown in Figure 3（Plane is regarded
Figure）, Fig. 3 mean cambers are made up of the part of L, M and N tri-, wherein, L, M and N represent that respectively AB, BC and CD section circular arc is stretched along directrix 2
Institute is into curved surface.Seamless welding is carried out between curved surface L, M and N, on the medial surface for excavating soil side and touching soil curved surface two are increased
Individual reinforcement 6, the soldered of two reinforcements 6 respectively between L and M, M and N is extended, and spade shovel body 3 touches soil curved surface
Vertical interval H between medial wall and lateral wall1Body is shoveled with reinforcement 6 along spade touch the height H that the medial wall of soil curved surface is arranged2It
Between ratio be 75%, it is preferred that the thickness of reinforcement 6 is 1cm, is 2cm highly along soil curved surface variation tendency is touched, spade shovel body 3
Thickness is designed as 1.5cm.The effect of reinforcement 6 except increase spade shovel rigidity in addition to, also to spade shovelman as when play the guiding role.
The tactile native curved surface of body 3 is shoveled along the spade of the parallel drawing of directrix 2 by first line 1, then the certain lines of cut of Jing are vertical
Cutting, makes spade shovel body 3 top that there are two matrixs to shovel shoulder 4, and bottom has two convex side blades 5, two convex side blades 5
Lower end is intersected, and the upper end of convex side blade 5 is intersected with matrix shovel shoulder 4 lower end.Wherein, the tactile native curved surface of spade shovel body 3 is hung down by first line 1
The straight direction of directrix 2, and make the midpoint of the second circular arc line segment in directrix 2, it is made up of along the parallel drawing of directrix 2 first line 1.
The contour line that the interior tactile native face that convex side blade 5 shovels body 3 with spade is connected meets parametric equation With , t spans are 0 ~ 150；The contour line that the outer tactile native face that convex side blade 5 shovels body 3 with spade is connected meets ginseng
Number equationWith , t spans are 0 ~ 150.Matrix shovels shoulder 4 and shovels the interior tactile soil of body 3 with spade
The contour line of face connection is 1.403 for the diameter ratio of circular arc line segment, the circular arc line segment and the first circular arc line segment:1st, central angle ratio is
4：3；The circular arc line segment of two matrix shovel rearward ends of shoulder 4 of connection and the diameter ratio of the first circular arc line segment are 1.033：1st, central angle ratio
For 0.897：1.
Embodiment 1：As shown in figure 4, first line 1 after the stretching of directrix 2 institute into curved surface, by relative to directrix 2 on vertical guide
Symmetrically arranged first line of cut of projection straight line and second cutting wire cutting form, wherein, the first line of cut is by RS circular arc types
Gradually open form line of cut is connected and composed for line of cut and ST, and the second line of cut is by EF circular arc types line of cut and FT gradually open form line of cut connection
Constitute, wherein, two circular arc line of cut RS, EF carry out perpendicular cuts to curved surface shown in Fig. 3, form two matrixs and shovel shoulder 4；Two
Gradually open form song line of cut ST, TF carry out perpendicular cuts to curved surface shown in Fig. 3, form two convex side blades 5, actual operation process
In will through scaling deformation.As needed spade shovel can be carried out by fillet, polishing, put the first edge on a knife or a pair of scissors etc. at some row later stages after the completion of cutting
Reason, and ultimately form spade shovel body as shown in Figure 5.
The correspondence center of circle of cutting arc shape work piece RS shown in Fig. 4 is for (163,108), radius is 91, and correspondence central angle is 44 °；Cutting
The circular arc EF correspondences center of circle is (163, -108), and radius is 91, and correspondence central angle is 44 °；Gradually open form cutting curve ST homologous threads
Equation isWith , t spans 0 ~ 150；Gradually open form cutting curve TF homologous thread equations areWith , t spans 0 ~ 150.
Gradually open form cutting curve ST, TF correspond to Curvature varying situation as shown in fig. 6, form for curvature presentation first increases in Fig. 4
After reduce, then the variation tendency for increasing and reducing.This special form for curvature can change convex side blade 5 and contact with soil
The kinestate at position, under axial thrust effect, effect incision soil of the spade shovel by two side edges.When the sword of convex side blade 5
When soil is cut in face, spade shovel separates the soil body, due to the effect of blade surface make the soil of the two sides of convex side blade 5 produce downwards with
The compound motion of horizontal both direction.The version of convex side blade 5 can produce smooth cutting effect to the soil for moving
Should, so as to reduce working resistance when spade shovel buries；Meanwhile, the stress field of this kind of structure shows as continuous fluctuating nature, should
The continued jitters in the field of force can cause the probability of soil adhesion knife face to substantially reduce, make spade spader have it is stronger bury ability and compared with
Good de- native effect.Ground pressure can be disperseed in operation simultaneously, reduced and touched soil area, change Soil structure, so as to reduce
Soil adhesion, reduces soil resistance.
In the present invention, as shown in fig. 7, spade shovel shovels body 3 by three spades constituting, convex side edge portion front end in each spade shovel body
The intersection point in portion is located on same circumference, is had between the matrix shovel shoulder and the intersection point of convex side blade in two neighboring spade shovel body
Certain interval.Under working condition, when three spade shovel bodies are closed, appropriate sky is left with bottom between two two or three spade shovel bodies
Gap, a diameter of 4mm of the circumference that the intersection point of convex side edge portion leading section is in each spade shovel body, in two neighboring spade shovel body
Matrix shovel shoulder and the intersection point of convex side blade between air line distance be 30mm.Why leave space and be because spade shovel cutting
The particular curve form of sword can make to produce fluctuating nature around the soil for contacting, so two spades shovel space between soil by
Soil body can be automatically disengaged in undulatory property；Interspace between two spades shovel when working in the larger environment of water content simultaneously with
The releasable unnecessary moisture in bottom space, and then reduce energy loss；The presence in space can also reduce the overall dimensions of spade shovel, this
The working resistance of single shovel can be reduced to a certain extent.
Claims (10)
1. a kind of tree transplanter spade shovel with desorption anti-drag function, including spade shovel body（3）, it is characterised in that：Spade shovel is originally
Body（3）Concavo-convex two sides be respectively in structure identical soil face and outer tactile native face of touching, spade shovel body（3）Front end be with two
Convex side blade（5）End of burying, rear end is with two matrixs shovel shoulders（4）Roof limb end, wherein, two convex side blades
（5）Leading section intersect, two convex side blades（5）Rearward end respectively with two matrixs shovel shoulders（4）Leading section connection, two
Individual matrix shovels shoulder（4）Rearward end connected by circular arc line segment；
Spade shovels body（3）Interior tactile native face by first line（1）Along directrix（2）Parallel drawing is formed, first line（1）Be by diameter ratio be 1：
1.033：1st, central angle ratio is 1:0.897:1 the first circular arc line segment, the second circular arc line segment and three-arc line segment are sequentially connected
Form；Directrix（2）Meet parametric equationWith, t spans are 0 ~ 150.
2. a kind of tree transplanter spade with desorption anti-drag function according to claim 1 is shoveled, it is characterised in that：Spade is shoveled
Body（3）Interior tactile native face by first line（1）Vertical guideline（2）Direction, and make the midpoint of the second circular arc line segment be in directrix（2）
On, by first line（1）Along directrix（2）Parallel drawing is constituted.
3. a kind of tree transplanter spade with desorption anti-drag function according to claim 2 is shoveled, it is characterised in that：Convex
Side edge portion（5）Body is shoveled with spade（3）Interior tactile native face connection contour line meet parametric equation With
, t spans are 0 ~ 150.
4. a kind of tree transplanter spade with desorption anti-drag function according to claim 2 is shoveled, it is characterised in that：Convex
Side edge portion（5）Body is shoveled with spade（3）Outer tactile native face connection contour line meet parametric equation With , t spans are 0 ~ 150.
5. a kind of tree transplanter spade with desorption anti-drag function according to claim 2 is shoveled, it is characterised in that：Matrix
Shovel shoulder（4）Body is shoveled with spade（3）Interior tactile native face connection contour line be circular arc line segment, the circular arc line segment and the first circular arc line segment
Diameter ratio be 1.403:1st, central angle ratio is 4：3.
6. a kind of tree transplanter spade with desorption anti-drag function according to claim 5 is shoveled, it is characterised in that：Connection
Two matrixs shovel shoulder（4）The diameter ratio of the circular arc line segment of rearward end and the first circular arc line segment is 1.033：1st, central angle ratio is
0.897：1.
7. a kind of tree transplanter spade with desorption anti-drag function according to claim 1 is shoveled, it is characterised in that：Spade is shoveled
Body（3）The interior tactile native face for touching soil curved surface is provided with two reinforcements（6）, one of reinforcement first circular arc along each first line
Line segment and the second circular arc line segment junction point extend, and another reinforcement the second circular arc line segment and three-arc line segment along each first line connect
Contact extends.
8. a kind of tree transplanter spade with desorption anti-drag function according to claim 7 is shoveled, it is characterised in that：Spade is shoveled
Body（3）Touch vertical interval H between the interior tactile native face and outer tactile native face of soil curved surface1With reinforcement（6）It is bent soil to be touched along spade shovel body
The height H that the interior tactile native face in face is arranged2Between ratio be 75%.
9. a kind of tree transplanter spade with desorption anti-drag function according to claim 1 is shoveled, it is characterised in that：Spade is shoveled
Body is shoveled by three spades（3）Composition, the intersection point of convex side edge portion leading section is located on same circumference in each spade shovel body, and adjacent two
There is certain interval between matrix shovel shoulder and the intersection point of convex side blade in individual spade shovel body.
10. a kind of tree transplanter spade with desorption anti-drag function according to claim 9 is shoveled, it is characterised in that：Respectively
A diameter of 4mm of the circumference that the intersection point of convex side edge portion leading section is in spade shovel body, it is recessed in two neighboring spade shovel body
The air line distance that type is shoveled between shoulder and the intersection point of convex side blade is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230220.8A CN104855234B (en) | 2015-05-08 | 2015-05-08 | Spade of tree-transplanting machine with desorption and resistance-reduction functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230220.8A CN104855234B (en) | 2015-05-08 | 2015-05-08 | Spade of tree-transplanting machine with desorption and resistance-reduction functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104855234A CN104855234A (en) | 2015-08-26 |
| CN104855234B true CN104855234B (en) | 2017-04-12 |
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| CN201510230220.8A Expired - Fee Related CN104855234B (en) | 2015-05-08 | 2015-05-08 | Spade of tree-transplanting machine with desorption and resistance-reduction functions |
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| CN109168498B (en) * | 2018-10-30 | 2020-10-30 | 东北农业大学 | Four-petal basket type cam-driven pot seedling transplanting cup |
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| JP5283141B1 (en) * | 2012-05-18 | 2013-09-04 | 茂 中村 | scoop |
| CN203353144U (en) * | 2013-07-24 | 2013-12-25 | 甘肃农业大学 | Bionic potato digging shovel |
| CN103999565B (en) * | 2014-05-22 | 2015-12-16 | 河南科技大学 | A kind of bionical excavation spade |
| CN204001024U (en) * | 2014-05-27 | 2014-12-10 | 天津科技大学 | A kind of power shovel of imitative mole cricket pawl toe configuration |
| CN104213593B (en) * | 2014-09-18 | 2016-05-18 | 河南科技大学 | A kind of loading shovel with variable curvature feature |
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