CN107018678B - A kind of soil rotary tillage blade self-excited vibration generation device and soil rotary tillage rotor - Google Patents
A kind of soil rotary tillage blade self-excited vibration generation device and soil rotary tillage rotor Download PDFInfo
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- CN107018678B CN107018678B CN201710156675.9A CN201710156675A CN107018678B CN 107018678 B CN107018678 B CN 107018678B CN 201710156675 A CN201710156675 A CN 201710156675A CN 107018678 B CN107018678 B CN 107018678B
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- bearing block
- excited vibration
- torsion
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/14—Attaching the tools to the rotating shaft, e.g. resiliently or flexibly-attached tools
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a kind of soil rotary tillage blade self-excited vibration generation devices comprising rotary shaft, bearing block, torsion-beam, tension bar；Bearing block is protruded into rotary shaft one end, and the rotary shaft that torsion-beam is fixedly mounted on protrudes into one end of bearing block, and tension bar one end is mounted on torsion-beam one end, and the tension bar other end is mounted on bearing block；Rotary shaft can the rotation in bearing block.A kind of soil rotary tillage blade self-excited vibration production method, freedom degree that release blade rotate relative to rotating shaft center's axis simultaneously provide the rigidity of the freedom degree direction, and unbalance stress during blade work is to realize the self-excited vibration of blade.The present invention can make blade generate the self-excited vibration moved axially around the rotation of rotating shaft center's axis, along rotary shaft and on the rotation three degree of freedom direction of pin shaft direction during the work time, and self-excited vibration frequency can be adjusted to adapt to different soil properties by adjusting the rigidity in corresponding freedom degree direction, tillage resistance is small.The invention belongs to agricultural soil farming technique fields.
Description
Technical field
The invention belongs to agricultural soil farming technique fields more particularly to a kind of soil rotary tillage blade self-excited vibration to generate dress
It sets, is related to the soil rotary tillage rotor using soil rotary tillage blade self-excited vibration generation device, is related to soil rotary tillage blade from exciting
Movable property generation method.
Background technique
In agricultural engineering field, it is great that the soil cultivation consumption energy accounts for the ratio in agricultural production.Therefore, soil cultivation energy conservation
Drag reduction becomes the research hotspot of domestic and foreign scholars.Correlative study shows that tillage implement is vibrated with vibration frequency appropriate and amplitude
The resistance that can reduce soil cultivation improves the quality of soil cultivation.Soil cultivation includes turning over, rotary tillage, subsoiling, minimal tilling and exempt from
The methods of plough.Currently, research field only relates to the resistance for reducing soil subsoiling both at home and abroad, and it is deep to have developed vibration
Loose machine, this Viberation deep coosener can be divided into forced oscillation dynamic formula and self-excited vibration formula according to method for oscillating.But now to reduction
The resistance of soil rotary tillage process is related to the research and development less, soil rotary tillage breaks ground with the vibrating drag reduction equipment of rotary tillage ditching class
Shortcoming, and soil rotary tillage class self-excited vibration formula equipment is more short of.
Summary of the invention
In view of the above-mentioned problems, it is an object of the present invention to provide resistance, sections that one kind can reduce soil rotary tillage process
The about soil rotary tillage blade self-excited vibration generation device of the energy.
A second object of the present invention is to provide one kind can reduce resistance during soil rotary tillage, energy saving adopts
With the soil rotary tillage rotor of soil rotary tillage blade self-excited vibration generation device.
Each and every one purpose of third of the invention is to provide a kind of resistance, energy saving soil that can reduce soil rotary tillage process
Earth Rotary tillage blade self-excited vibration production method.
A kind of soil rotary tillage blade self-excited vibration generation device, including rotary shaft, bearing block, torsion-beam, tension bar；Rotary shaft
One end fixed blade, the rotary shaft other end protrude into bearing block, and the rotary shaft that torsion-beam is fixedly mounted on protrudes into one end of bearing block, stretch
One end is mounted on torsion-beam one end, and the tension bar other end is mounted on bearing block；Blade drives rotary shaft to rotate in bearing block,
And it is resetted under the action of tension bar.Tension bar can be the material with tensile elasticity, such as extension spring.
As a preference, further including mounting post and the rotary stopper bolt for limiting torsion-beam rotational angle, in torsion-beam
Both ends open up mounting hole, mounting post are installed on bearing block respectively at the both ends of torsion-beam side, tension bar one end is installed on torsion
On the mounting hole of beam, the tension bar other end is installed on mounting post, installs rotary stopper bolt respectively at the both ends of the torsion-beam other side
In on bearing block.
As a preference, further including locked bolt, rotation lock dead hole is opened up on torsion-beam, when needing to limit rotary shaft phase
For bearing block rotation when, pass through rotation lock dead hole with locked screw and torsion-beam be fixed on bearing block.
As a preference, further including support, rectangular spring, the tool roller axis mounting base being installed on tool roller axis；Support
One end is connect by pin shaft with tool roller axis mounting base swing type, for providing the rectangular of support torsion stiffness simultaneously limiting rotating angle
Spring is mounted between support and tool roller axis mounting base；Support drives bearing block to swing, and resets under the action of rectangular spring.
Blade side discontinuity drives support around pin shaft reciprocating rotation through bearing block.It is installed in tool roller axis mounting base in support,
Two pieces of rectangular springs are installed respectively, support is swung between two pieces of rectangular springs, passes through tune between two sides and tool roller axis mounting base
The rigidity of rectangular spring is saved, to realize the frequency and amplitude of the self-excited vibration of regulating device.
As a preference, further including stud, nut, for providing bearing block along the compression bullet of the rigidity of rotary shaft axial direction
Spring, stud one end are fixedly mounted on bearing block, and the stud other end installs nut after passing through support again, bearing block and support it
Between, between support and nut be respectively mounted the compressed spring covered outside stud.Blade unbalance stress in the course of work, blade and bearing
Seat generates the vibration on rotary shaft axial freedom direction.
As a preference, further including linear bearing, stud is installed on the support by linear bearing；Bearing block offers
Locked hole is moved axially, locked hole is moved axially and limit stud is fixedly mounted, the limit stud other end is pacified by the way that nut is fixed
Dress is on the support.When not needing axial self-excited vibration, limit stud can be installed on bearing block, axis is limited by limit stud
Hold the relative movement of seat and support.
As a preference, further including dust cover, dust cover surrounds soil rotary tillage blade self-excited vibration generation device, knife
Roll shaft mounting base is stretched out from the upper end of dust cover, and rotary shaft is stretched out from the lower end of dust cover.
A kind of soil rotary tillage rotor using above-mentioned soil rotary tillage blade self-excited vibration generation device, blade are revolved by soil
Coulter piece self-excited vibration generation device is mounted on tool roller axis, and the freedom degree that release blade is axially rotated relative to rotary shaft simultaneously mentions
Torsion stiffness is supplied, to realize the self-excited vibration of blade in the case where blade unbalance stress.
A kind of soil rotary tillage blade self-excited vibration production method, blade are mounted on tool roller axis by rotary shaft, discharge knife
Piece realizes the self-excited vibration of blade relative to the freedom degree that rotary shaft axially rotates.Adjust the rigidity that blade corresponds to freedom degree
With the rotation speed of blade, thus realize adjustment blade self-excited vibration frequency.Adjust the rigidity of freedom degree and the rotation of blade
Rotary speed also can achieve the purpose of the amplitude of adjustment self-excited vibration, when self-excited vibration frequency is identical with the intrinsic frequency of system
When, the amplitude maximum of vibration.
As a preference, the vertical direction definition of same rotary shaft, tool roller axis is normal direction, blade is discharged along rotary shaft axis
The freedom degree swung to the freedom degree and/or release blade of direction alternating translational relative to normal orientation.
Advantages of the present invention:
(1) support is mounted in tool roller axis mounting base by pin shaft, so that support is axially rotated around pin shaft, releases
The one degree of freedom of blade, and rectangular spring is installed between the two sides of support and tool roller axis mounting base, to provide support and knife
Torsion stiffness between roll shaft mounting base, and limit the amplitude of rotation, by the rigidity and tool roller axis that adjust rectangular spring
Revolving speed realizes blade around the self-excited vibration of tool roller axis normal direction different frequency and amplitude.
(2) by the way that torsion-beam to be fixed in rotary shaft, and the both ends of torsion-beam respectively and are installed with a pair of of tension bar
Two mounting posts by torsion-beam are connected, and the torsion stiffness of rotary shaft are replaced by the tensible rigidity at torsion-beam both ends, to release again
A rotational freedom for having put blade enables blade and rotary shaft to rotate around rotating shaft center's axis；Rotary stopper spiral shell
Bolt is mounted on the other side of torsion-beam, reaches limitation rotary shaft around the rotation amplitude of bearing block.
(3) rotation lock dead hole is installed on torsion-beam, torsion-beam is fixed on by axis by rotation lock dead hole with locked bolt
It holds on seat, rotation of the limitation rotary shaft around bearing block.
(4) connecting pin of support passes through Stud connection in bearing block, between support and bearing block, between nut and support
Compressed spring is installed, to realize bearing block in the movement of rotary shaft axial direction, the self-excited vibration of enhancement device.
(5) one end that bearing block, support and tool roller axis mounting base are used for erection support is sealed in dust cover, prevents soil
Influence of the earth particle to device work normally device can under dusty environment.
(6) self-excited vibration frequency can be adjusted by the rigidity and the rotation speed of tool roller axis for adjusting blade each freedom degree.
(7) blade of installation on the rotary shaft can be adjusted adaptively in a certain range, so that it is most solid to avoid soil
Position, and achieve the effect that sliding cutting, and then reduce cutting resistance.
The freedom degree alternative in (8) three directions is locked, to degenerate for conventional rotary tillage machine, the realization a variety of use of one object
The function on way.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of blade self-excited vibration generation device.
Fig. 2 is the structural schematic diagram of bearing block.
Wherein, 1 is blade, and 2 be rotary shaft, and 3 be bearing block, and 4 be dust cover, and 5 be support, and 6 be nut, and 7 be tool roller axis
Mounting base, 8 be pin shaft, and 9 be tool roller axis, and 10 be extension spring, and 11 be pin shaft, and 12,13 be compressed spring, and 14 be rectangular spring,
15 be stud, and 16 be mounting post, and 17 be torsion-beam, and 18 be rotation lock dead hole, and 19 be rotary stopper bolt, and 20 be mounting hole, and 21 are
Move axially locked hole.
Specific embodiment
A specific embodiment of the invention is described further with reference to the accompanying drawing.
Embodiment one:
A kind of soil rotary tillage blade self-excited vibration generation device, including rotary shaft, bearing block, torsion-beam, tension bar；Rotary shaft
One end fixed blade, the rotary shaft other end protrude into bearing block, and the rotary shaft that torsion-beam is fixedly mounted on protrudes into one end of bearing block, stretch
One end is mounted on torsion-beam one end, and the tension bar other end is mounted on bearing block；Blade drives rotary shaft to rotate in bearing block,
And it is resetted under the action of tension bar.
It further include torsion-beam, tension bar, mounting post, rotary stopper bolt in the present embodiment；Rotary shaft protrudes into bearing block, and
Torsion-beam is fixedly mounted on one end that rotary shaft protrudes into bearing block, mounting post is installed on bearing respectively at the both ends of torsion-beam side
On seat, rotary stopper bolt is installed respectively on bearing block at the both ends of the torsion-beam other side；It is opened up and mounting post at torsion-beam both ends
The corresponding mounting hole in position, tension bar one end are mounted in mounting hole, and the tension bar other end is mounted on the corresponding peace in position
It fills on column.Tension bar uses extension spring in the present embodiment.
Rotary shaft is cylindrical, and one end is for installing blade, and the other end is for protruding into bearing block to install torsion-beam, mainly
For fixed blade and realize blade around the rotation of rotary shaft axial direction.Bearing block is in cube shape, opens up diameter ratio among bearing block
Rotate the bigger through-hole of shaft diameter.Rotary shaft protrudes into the through-hole of bearing block and reaches the other end of bearing block, and rotary shaft passes through double
Row tapered roller bearing is mounted on bearing block, torsion-beam is fixedly mounted in the end face that rotary shaft protrudes into one end of bearing block, in bearing
One mounting post is respectively installed on seat and positioned at the both ends of torsion-beam side, opens up peace corresponding with mounting post respectively at torsion-beam both ends
Hole is filled, is connected torsion-beam with mounting post using extension spring, i.e., extension spring one end is installed on the mounting hole on torsion-beam, stretches bullet
The spring other end is then mounted in mounting post corresponding with mounting hole.One rotation limit is installed respectively at the both ends of the torsion-beam other side
Position bolt.
The torsion stiffness of rotary shaft is substituted by the tensible rigidity at torsion-beam both ends, releases blade turn axial around rotary shaft
It is dynamic, and ensure that on positive and negative two direction of rotation there is rigidity, and rigidity is consistent.Rotary stopper bolt limits the big model of blade
Spinning turns.
Bearing block is installed on tool roller axis.
The soil rotary tillage blade self-excited vibration generation device is for rotating class ground-working equipment, to connect equipment
Blade and tool roller axis, make blade generate self-excited vibration during the work time.It is thus possible to during reaching reduction soil rotary tillage
Resistance reduces the consumption to the energy, energy saving.
Embodiment two:
A kind of soil rotary tillage blade self-excited vibration generation device, including rotary shaft, bearing block, torsion-beam, tension bar；Rotary shaft
One end fixed blade, the rotary shaft other end protrude into bearing block, and the rotary shaft that torsion-beam is fixedly mounted on protrudes into one end of bearing block, stretch
One end is mounted on torsion-beam one end, and the tension bar other end is mounted on bearing block；Blade drives rotary shaft to rotate in bearing block,
And it is resetted under the action of tension bar.
It further include mounting post and the rotary stopper bolt for limiting torsion-beam rotational angle, in torsion-beam two in the present embodiment
End opens up mounting hole, mounting post is installed on bearing block respectively at the both ends of torsion-beam side, extension spring one end is installed on torsion
On the mounting hole of beam, the extension spring other end is installed on mounting post, installs rotary stopper spiral shell respectively at the both ends of the torsion-beam other side
It is bolted on bearing block.Rotary stopper bolt limits a wide range of rotation of blade.Rotary shaft is cylindrical, and one end passes through biserial circle
Taper roller bearing is mounted on bearing block, and the other end installs blade.Bearing block is equipped with the circular through hole for accommodating installation rotary shaft.
Torsion-beam is in cuboid, and torsion-beam is fixed in rotary shaft by screw, and torsion-beam both ends offer mounting hole, stretches bullet
Spring one end is mounted on mounting hole, and the other end is mounted on mounting post.Mounting post, rotary stopper bolt are installed on bearing block.
It further include support, rectangular spring, the tool roller axis mounting base being installed on tool roller axis in the present embodiment；The one of support
End is connect by pin shaft with tool roller axis mounting base swing type, for providing the rectangular bullet of support torsion stiffness and limiting rotating angle
Spring is mounted between support and tool roller axis mounting base；Support drives bearing block to swing, and resets under the action of rectangular spring.?
Support is installed in tool roller axis mounting base, installs two pieces of rectangular springs, support between support two sides and tool roller axis mounting base respectively
It is swung between two pieces of rectangular springs, by adjusting the rigidity and tool roller axis revolving speed of rectangular spring, to realize regulating device
The frequency and amplitude of self-excited vibration.
Support is in " ⊥ " shape, and support lower end (i.e. the connecting pin of support) installation is connected on bearing block, and support upper end (is propped up
The installation end of seat) open up the through-hole passed through for pin shaft.In a rectangular parallelepiped shape, one end is mounted on tool roller axis tool roller axis mounting base,
The groove for accommodating the installation end of support is offered on the other end, pin shaft passes through the installation end of tool roller axis mounting base and support thus will
Support swing type is mounted in tool roller axis mounting base, and pin shaft and tool roller axis, rotating shaft center's axis are vertical, thus after installation
Support can be rotated around pin shaft.The groove of tool roller axis mounting base accommodates the installation end of support in pin shaft direction just, in tool roller axis
There are spacing between the two sides of the installation end of direction and support, and in the groove of tool roller axis mounting base in rotor axis direction and support
Installation end two sides between rectangular spring is installed, adjust the rigidity of rectangular spring, it can be achieved that device around pin shaft difference vibration
The self-excited vibration of frequency and amplitude.
It further include stud, nut, for providing bearing block along the compression bullet of the rigidity of rotary shaft axial direction in the present embodiment
Spring, stud one end are fixedly mounted on bearing block, and the stud other end installs nut after passing through support again, bearing block and support it
Between, between support and nut be respectively mounted the compressed spring covered outside stud.The compressed spring being mounted between support and bearing block,
One end of which is fixed on bearing block, the other end is fixed on the support.The compressed spring being mounted between support and nut, one end
It fixes on the support, the other end is mounted on nut.The rigidity of compressed spring is adjusted, it can be achieved that different along rotary shaft axial direction
The self-excited vibration of vibration frequency and amplitude.
In the present embodiment, rotation lock dead hole is opened up on torsion-beam, when needing to limit rotation of the rotary shaft relative to bearing block
When, rotation lock dead hole is passed through with locked screw, and torsion-beam is fixed on bearing block.Therefore, locked spiral shell can be used when needed
Torsion-beam is fixed on bearing block by nail, to limit rotary shaft around the rotation of rotating shaft center's axis.Thus by rotary shaft
It is limited around the rotational freedom of rotating shaft center's axis, is locked.
It further include stud, nut, compressed spring in the present embodiment, stud one end is fixedly mounted on bearing block, and stud is another
Nut is installed after passing through support in one end again, between bearing block and support, is respectively mounted and is covered outside stud between support and nut
Compressed spring.
It further include linear bearing in the present embodiment, stud is installed on the support by linear bearing；Bearing block offers axis
To mobile locked hole, moves axially locked hole and limit stud is fixedly mounted, the limit stud other end is fixedly mounted by nut
On the support.
It further include dust cover in the present embodiment, dust cover surrounds soil rotary tillage blade self-excited vibration generation device, rotor
Axis mounting base is stretched out from the upper end of dust cover, and rotary shaft is stretched out from the lower end of dust cover.Pacify positioned at bearing block, support and tool roller axis
Other assemblies on dress seat on one end of erection support are enclosed in dust cover.
The principle that the present invention utilizes is soil rotary tillage blade self-excited vibration production method, and blade passes through soil rotary tillage blade certainly
Excited vibration generation device is mounted on tool roller axis, and the freedom degree that release blade is axially rotated relative to rotary shaft simultaneously provides torsion
Rigidity, to realize the self-excited vibration of blade in the case where blade unbalance stress.
Further, the freedom degree and release blade that release blade is moved along rotary shaft axial direction are relative to pin shaft side
To the freedom degree of swing, to realize the stronger self-excited vibration of blade.
Working process and principle of the invention: the device of the invention one end is mounted on tool roller axis by support, another
End is mounted on Rotary tillage blade in the rotary shaft of device.When operation, due to support can around pin shaft rotate, rotary shaft can be around it
Own axis, bearing block can be moved axially in rotary shaft, to release three freedom of the blade relative to tool roller axis
Degree, therefore blade can generate the lesser self-excited vibration of amplitude in the case where being in unbalance stress, to reach swing crushing
With the effect of vibrating drag reduction.And the rigidity of the three degree of freedom discharged is adjustable, (i.e. different soil under the conditions of different work
Under the conditions of earth), the rotation speed of the rigidity and tool roller axis that adjust freedom degree adjusts blade self-excited vibration frequency and amplitude to reach
Purpose, and then guarantee operation effectiveness.Since soil texture is uneven, blade can adaptively adjust in a certain range and rotor
The relative angle and orientation of axis to avoid the most solid position of soil, and achieve the effect that sliding cutting, and then reduce cutting resistance
Power.
The present invention is widely used, and can be used for ditching machine.
Embodiment three:
A kind of soil rotary tillage rotor, including soil rotary tillage blade self-excited vibration described in tool roller axis, blade and embodiment two produce
Generating apparatus, tool roller axis, soil rotary tillage blade self-excited vibration generation device, blade are successively installed.
In the present embodiment, soil rotary tillage blade self-excited vibration generation device is mounted on tool roller axis by tool roller axis mounting base
On, blade is mounted in the rotary shaft of soil rotary tillage blade self-excited vibration generation device.Soil rotary tillage rotor after assembling exists
Self-excited vibration can be generated when rotary tillage soil, to achieve the effect that swing crushing and vibrating drag reduction.
Other than the mode that above embodiments refer to, the above embodiment is a preferred embodiment of the present invention, but the present invention
Embodiment and be not restricted to the described embodiments, it is other any to be made without departing from the spirit and principles of the present invention
Changes, modifications, substitutions, combinations, simplifications, should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of soil rotary tillage blade self-excited vibration generation device, it is characterised in that: including rotary shaft, bearing block, torsion-beam, stretching
Item；Rotary shaft one end fixed blade, the rotary shaft other end protrude into bearing block, and torsion-beam is fixedly mounted on rotary shaft and protrudes into bearing block
One end, tension bar one end are mounted on torsion-beam one end, and the tension bar other end is mounted on bearing block；Blade drives rotary shaft in bearing
Rotation in seat, and resetted under the action of tension bar.
2. a kind of soil rotary tillage blade self-excited vibration generation device as described in claim 1, it is characterised in that: further include mounting post
With the rotary stopper bolt for limiting torsion-beam rotational angle, mounting hole is opened up at torsion-beam both ends, at the both ends point of torsion-beam side
Mounting post is not installed on bearing block, tension bar one end is installed on the mounting hole of torsion-beam, and the tension bar other end is installed on peace
Column is filled, rotary stopper bolt is installed respectively on bearing block at the both ends of the torsion-beam other side.
3. a kind of soil rotary tillage blade self-excited vibration generation device as described in claim 1, it is characterised in that: further include locked spiral shell
Bolt opens up rotation lock dead hole on torsion-beam, when needing to limit rotation of the rotary shaft relative to bearing block, is passed through with locked bolt
Torsion-beam is fixed on bearing block by rotation lock dead hole.
4. a kind of soil rotary tillage blade self-excited vibration generation device as described in claim 1, it is characterised in that: further include support,
Rectangular spring, the tool roller axis mounting base being installed on tool roller axis；One end of support passes through pin shaft and tool roller axis mounting base swing type
Connection, for providing the rectangular spring of support torsion stiffness and limiting rotating angle, be mounted on support and tool roller axis mounting base it
Between.
5. a kind of soil rotary tillage blade self-excited vibration generation device as claimed in claim 4, it is characterised in that: further include stud,
Nut, for providing bearing block along the compressed spring of the rigidity of rotary shaft axial direction, stud one end is fixedly mounted on bearing block, spiral shell
The column other end installs nut after passing through support again, between bearing block and support, is respectively mounted and is covered in stud between support and nut
Outer compressed spring.
6. a kind of soil rotary tillage blade self-excited vibration generation device as claimed in claim 5, it is characterised in that: further include linear axis
It holds, stud is installed on the support by linear bearing；Bearing block offers the locked hole of axial movement, moves axially locked Kong Gu
Dingan County's dress limit stud, the limit stud other end are fixedly mounted on the support by nut.
7. a kind of soil rotary tillage blade self-excited vibration generation device as claimed in claim 5, it is characterised in that: further include dust-proof
Cover, dust cover surround soil rotary tillage blade self-excited vibration generation device, and tool roller axis mounting base is stretched out from the upper end of dust cover, rotation
Shaft is stretched out from the lower end of dust cover.
8. using the soil rotary tillage rotor of any soil rotary tillage blade self-excited vibration generation device of claim 1-7, including
Tool roller axis, blade, soil rotary tillage blade self-excited vibration generation device, it is characterised in that: tool roller axis, soil rotary tillage blade are from exciting
Movable property generating apparatus, blade are successively installed.
9. the soil rotary tillage rotor of soil rotary tillage blade self-excited vibration generation device as claimed in claim 8, it is characterised in that: release
It puts the freedom degree that blade is axially rotated relative to rotary shaft and provides torsion stiffness, thus in the case where blade unbalance stress
Realize the self-excited vibration of blade.
10. the soil rotary tillage rotor of soil rotary tillage blade self-excited vibration generation device as claimed in claim 9, it is characterised in that:
The vertical direction definition of same rotary shaft, tool roller axis is normal direction, freedom of the release blade along rotary shaft axial direction alternating translational
The freedom degree that degree and/or release blade are swung relative to normal orientation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156675.9A CN107018678B (en) | 2017-03-16 | 2017-03-16 | A kind of soil rotary tillage blade self-excited vibration generation device and soil rotary tillage rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156675.9A CN107018678B (en) | 2017-03-16 | 2017-03-16 | A kind of soil rotary tillage blade self-excited vibration generation device and soil rotary tillage rotor |
Publications (2)
| Publication Number | Publication Date |
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| CN107018678A CN107018678A (en) | 2017-08-08 |
| CN107018678B true CN107018678B (en) | 2019-03-22 |
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| CN201710156675.9A Active CN107018678B (en) | 2017-03-16 | 2017-03-16 | A kind of soil rotary tillage blade self-excited vibration generation device and soil rotary tillage rotor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770426B (en) * | 2021-09-09 | 2023-12-15 | 盐城工学院 | Self-excitation vibration drilling tool handle device |
| CN114128420B (en) * | 2021-11-12 | 2022-09-09 | 南京农业大学 | Soil cutting device based on self-excited vibration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE268949C (en) * | 1912-09-12 | 1914-01-07 | ||
| GB191313503A (en) * | 1912-06-22 | 1914-03-19 | Josef Tanczer | Cultivator. |
| DE1037741B (en) * | 1955-10-05 | 1958-08-28 | Leon Dufour | Circumferential tiller |
| CN105359649A (en) * | 2015-12-10 | 2016-03-02 | 中国农业大学 | Vibrating subsoiler with adjustable spring pre-tightening force |
| CN205408439U (en) * | 2015-11-10 | 2016-08-03 | 西北农林科技大学 | Layer depth pine soil preparation combined operation is divided machine to autovibration formula |
-
2017
- 2017-03-16 CN CN201710156675.9A patent/CN107018678B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191313503A (en) * | 1912-06-22 | 1914-03-19 | Josef Tanczer | Cultivator. |
| DE268949C (en) * | 1912-09-12 | 1914-01-07 | ||
| DE1037741B (en) * | 1955-10-05 | 1958-08-28 | Leon Dufour | Circumferential tiller |
| CN205408439U (en) * | 2015-11-10 | 2016-08-03 | 西北农林科技大学 | Layer depth pine soil preparation combined operation is divided machine to autovibration formula |
| CN105359649A (en) * | 2015-12-10 | 2016-03-02 | 中国农业大学 | Vibrating subsoiler with adjustable spring pre-tightening force |
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| Publication number | Publication date |
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| CN107018678A (en) | 2017-08-08 |
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