CN109479463A - A kind of linkage period stepping mechanism of three-dimensional three of unidirectional drive - Google Patents
A kind of linkage period stepping mechanism of three-dimensional three of unidirectional drive Download PDFInfo
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- CN109479463A CN109479463A CN201811449072.9A CN201811449072A CN109479463A CN 109479463 A CN109479463 A CN 109479463A CN 201811449072 A CN201811449072 A CN 201811449072A CN 109479463 A CN109479463 A CN 109479463A
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- seedling
- gear
- seedling needle
- top seedling
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/006—Other parts or details or planting machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention discloses a kind of three-dimensional three of unidirectional drive linkage period stepping mechanisms, it include multiple top seedling needles and fixing piece including top seedling needle assemblies, telescoping drive mechanism, moving drive mechanism, stepping decline driving mechanism and total output mechanism, the top seedling needle assemblies;The telescoping drive mechanism includes the first reciprocating driving frame, the first partial gear and first gear axis;The moving drive mechanism includes the first impeller, the second reciprocating driving frame, the second partial gear and second gear axis;The stepping decline driving mechanism includes stopping bar assembly and movable device.The linkage period stepping mechanism of three-dimensional three of unidirectional drive of the invention can either solve the problems, such as that top seedling needle drive mechanism driving force in driving is big, inflexible, it is able to solve in grid seedling disk descending motion again and there are problems that leakage top, and it only needs to can be realized as by a driving mechanism to each driving for pushing up seedling needle assemblies and its associated component, therefore also have the advantages that drive efficiency is high.
Description
Technical field
The present invention relates to a kind of rice planters, and in particular to a kind of linkage period stepping of three-dimensional three of the unidirectional drive of rice planter
Mechanism.
Background technique
Currently, well known Rice Planting Machinery is broadly divided into two classes: 1. torn based on manipulator (seedling claw) cut blanket seedling root with
Divide traditional rice transplanter of pocket transplanting;2. the Novel transplanter based on culture pan seedling tep reel ball planting;Wherein, the first rice is planted
It is more mature to plant mechanical technique, high plant efficiency is reached by the plant of engine high-frequency drive, shortcoming is to hurt root, plant
Rice shoot needs tide over longer period of seedling establishment afterwards because tear cut seedling root and rice transplanting enter mud operation needed for power it is big, it is strong to mechanical material
Degree requires height, and mechanism is usually than cumbersome, consumptive material energy consumption is at high cost, it is inconvenient to operate in massif rice region.Second of rice planting machine
The advantages of tool is pre- point of band soil, plant after live without period of seedling establishment, and every pocket seedling number is precisely controllable, has both been suitble to more seedlings (such as routine
Rice), be suitble to few this seedling (such as hybrid paddy rice) rice band soil seedling plant again, it is particularly suitable to be operated in massif rice region.
For second of Rice Planting Machinery, Authorization Notice No. is that the patent of invention of 104620740 B of CN discloses " one
The linkage mechanism of kind array rice rice planter ", which includes rice planter structure, which includes top seedling needle, top
Seedling needle rack, top seedling needle drive mechanism, top seedling needle rack driving mechanism and total output mechanism, in which: the top seedling needle is horizontal
On the seedling needle rack of top, the working tips of the top seedling needle are right against the rice shoot grid in grid seedling disk for ground setting;The top seedling needle
Driving mechanism includes the resetting-mechanism for pushing top seedling needle to reset towards the top rice seedling distribution mechanism that grid seedling disk moves with promotion top seedling needle,
In, the top rice seedling distribution mechanism by can the camshaft of continuous rotation constitute;The resetting-mechanism includes being located at leading on the seedling needle rack of top
To cylinder and reset spring, wherein the top seedling needle is threaded through in guide cylinder, and the reset spring is set on the seedling needle of top, this is multiple
One end of position spring acts on guide cylinder, and the other end acts on the seedling needle of top, and the elastic force of the reset spring promotees under normality
It is pushed against one end opposite with working tips in the seedling needle of top on camshaft always.When work, under normal conditions, the end of seedling needle is pushed up
It is pushed against on camshaft, as the rotation of camshaft can promote top seedling needle to exist since the surface of camshaft is variable-diameter structure
Make axially reciprocating in guide cylinder, wherein when major diameter part in camshaft and top seedling needle contact, top seedling needle movement is to farthest
The ejection to rice shoot in grid seedling disk is completed at end, and when minor axis part is contacted with top seedling needle in camshaft, top seedling needle is reset to most
Proximal end;When camshaft periodically continuous rotation, top seedling needle also periodically can be stretched out and be resetted, and realized and periodically pushed away seedling
Movement.
But the top seedling needle drive mechanism is having the disadvantage that in actual work
1, it also needs to carry out compress energy storage to reset spring while making top seedling movement due to top seedling needle subsequent to realize
Top seedling needle reset, therefore the load when process will increase cam axle, and since the two sides of camshaft are along its axis
Line direction is distributed with multiple top seedling needles, and multiple top seedling needle is all driven by camshaft simultaneously, therefore can make the camshaft to turn
Load when dynamic is dramatically increased.And in actual operation, since the total output of entire rice planter derives from turntable, the cam
Increasing considerably for axle load will lead to the increase of turntable driving power, and energy consumption increases, to reduce the service performance of product.
2, since the stretching motion stroke of top seedling needle is determined by the diameter difference of camshaft, to increase top seedling needle
Stretching motion stroke, it is necessary to increase the diameter of whole camshaft, but since the length of whole camshaft is longer, increase its diameter meeting
The driving load and quality for directly resulting in whole device dramatically increase so that device show it is heavy, inflexible.
3, since the stretching motion of top seedling needle is obtained by the radial dimension of variation that generates when cam axle, when unit
Interior this radial dimension of variable quantity is relatively small, so that the stretching motion speed of top seedling needle is slower;Especially resetting
Cheng Zhong, top seedling needle are also needed to make retraction movement by the elastic force of spring, not directly driven by camshaft, cause to retract speed more
Slowly;The stretching motion speed for pushing up seedling needle is slow, influences the efficiency for broadcasting seedling.
Further, since grid seedling disk descending motion is to be controlled by countercheck rod, and the movement of countercheck rod is to pass through top
Seedling needle rack pushes to realize, therefore there is linkage between the descending motion of grid seedling disk and the movement for pushing up seedling needle rack and close
System.Although the interaction relation makes rice planter be not necessarily to that power is provided separately for countercheck rod, reduce driving source, but simultaneously but also
On grid seedling disk all there is rice shoot leakage top in every row seedling lattice.Specifically, on top, seedling needle completes the penultimate with a line
After the top seedling needle task of rice shoot grid, start to be transferred to a rice shoot grid (target last from penultimate rice shoot grid
Rice shoot grid) during, since top seedling needle rack is while pushing top seedling needle needle movement, it also will push countercheck rod movement,
I.e. carry out ganged movement, although therefore post exercise top seedling needle moved to the correspondence position of the last one rice shoot grid according to schedule
Place is set, but simultaneously, which can also move due to first motion extremely top seedling needle because of a moving down lattice for grid seedling consolidation body
Lower section, top seedling operation can not be carried out to the target rice shoot grid so as to cause top seedling needle, leakage top occur, and proceed to every row
In grid seedling disk when the top seedling task of the last one rice shoot grid, all there are problems that rice shoot leakage top, to reduce Dropbox
The utilization rate of rice shoot in seedling lattice.In addition, pushing up seedling needle when same layer rice shoot grid is equipped with n group, while carrying out the top seedling movement of n group
When, all can be with the presence of n rice shoot grid leakage top on each layer the problem of, to greatly reduce the utilization rate of rice shoot grid.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of three-dimensional three of unidirectional drive linkage period steps
Into mechanism, three linkage mechanism of three-dimensional be on the one hand able to solve speed of the top seedling needle drive mechanism in driving is slow, driving force is big,
On the other hand inflexible problem can also solve the problems, such as there is leakage top in grid seedling disk descending motion, while at work
Due to only needing to can be realized as the driving to each top seedling needle assemblies and its associated component by a driving mechanism, also
Have the advantages that drive efficiency is high.
The technical solution that the present invention solves above-mentioned technical problem is:
A kind of linkage period stepping mechanism of three-dimensional three of unidirectional drive, including push up seedling needle assemblies, for driving top seedling needle group
Part makees the telescoping drive mechanism of flexible top seedling task, for driving top seedling needle assemblies to carry out horizontal handoff between different rice shoot grids
The moving drive mechanism of movement, the stepping for driving grid seedling disk to make entire lowering movement decline driving mechanism and total output
Mechanism, wherein the top seedling needle assemblies are two groups, and two groups of top seedling needle assemblies are back-to-back arranged on the seedling needle rack of top, every group
Top seedling needle assemblies include multiple top seedling needles and the fixing piece for fixed top seedling needle, and multiple top seedling needles are linear etc. on fixing piece
Away from arrangement, and when one of rice shoot grid in one of top seedling needle face grid seedling disk, others top seedling needle is all just
To its corresponding rice shoot grid, one end of each top seedling needle is the fixing end for connecting with fixing piece, and the other end is for pushing up
The free end of seedling is connected between the fixing piece and top seedling needle rack by slide construction;
The telescoping drive mechanism includes the first reciprocating driving frame, the first partial gear and is used for driving first not
The first gear axis of complete gear rotation, wherein the first reciprocating driving frame includes upper rack and lower tooth disposed in parallel
Item is linked together between upper rack and lower rack gear by connector, and the first reciprocating driving frame is two groups, and this two groups the
One reciprocating driving frame and two groups of one-to-one connections of fixing piece;First partial gear is two, and it is right to be separately positioned on its
Between the upper rack and lower rack gear of the reciprocating driving frame of first answered;
The moving drive mechanism includes the first impeller connecting with top seedling needle rack, the connect with the first impeller
Two reciprocating driving frames, the second partial gear and the second gear axis for driving the second partial gear to rotate, wherein
The second reciprocating driving frame includes upper rack disposed in parallel and lower rack gear, passes through connector between upper rack and lower rack gear
It links together, second partial gear is arranged between the second reciprocating driving frame upper rack and lower rack gear;
The stepping decline driving mechanism includes the moving machine for stopping bar assembly and blocking bar assembly being pushed to move horizontally
Structure, wherein the blocking bar assembly is two groups, two groups of back-to-back settings of blocking bar assembly, and every group of blocking bar assembly includes two
Root countercheck rod, two countercheck rods are arranged in a one-to-one correspondence with the pectination blend stop on the vertical side of grid seedling disk two respectively, and this two
Root countercheck rod links together;The movable device includes the second impeller connecting with countercheck rod, connect with the second impeller
The reciprocating driving frame of third and third partial gear, wherein third partial gear setting is reciprocating in third
Between the upper rack and lower rack gear for driving frame, the third partial gear is arranged on the second gear axis;
The total output mechanism includes turntable shaft, and the turntable shaft is vertically arranged, be respectively equipped on turntable shaft the first cone tooth and
Second cone tooth, the first cone tooth is not exclusively to bore tooth;The second gear axis is equipped with triconodont, the triconodont and institute
State the first cone tooth engagement;The first gear axis is equipped with the 4th cone tooth, and transmission is additionally provided between second gear axis and turntable shaft
Axis, the both ends of the rotation axis are respectively equipped with the 5th cone tooth and the 6th cone tooth, and the 4th cone tooth bores tooth engagement with the 5th, and described the
Plug tap tooth and the 6th cone tooth engagement.
Preferably, the slide construction is made of slide rail pair, which includes sliding block and guide rail, wherein
The guide rail is mounted on the seedling needle movable stand of top, which is arranged perpendicular to grid seedling disk, and two groups of fixing pieces are installed respectively
On sliding block.The advantages of this arrangement are as follows the slide construction being made of slide rail pair can greatly reduce top seedling needle movement
Friction in the process, so that top seedling movement is more smooth smooth.
Preferably, the slide rail pair is two groups, and two groups of slide rail pairs are separately positioned on the both ends of fixing piece.Work
When, which can one in front and one in back be supported fixing piece, thus when increasing top seedling needle top seedling movement
Stationarity.
Preferably, for the top seedling needle by cylinder bar construction, one end of the cylindrical rod is locked at fixing piece by helicitic texture
On.The advantages of this arrangement are as follows the top seedling needle set being made of cylindrical bar shape has the advantages of simple structure and convenient processing.Work
When, it since one end of countercheck rod is mounted on bearings, can be rotated together with the inner ring of bearing, therefore when driving mechanism drives
When countercheck rod makees horizontal handoff movement, countercheck rod advances in a rolling manner on pectination blend stop, and the mode of the rolling exists
While reducing the frictional force in countercheck rod movement, additionally it is possible to increase the flexibility of countercheck rod, reduce when switching with pectination shelves item
Collision.
Preferably, the connector be strip, the strip connector be two, two strip connectors by with
The reciprocating driving frame of upper rack and the concatenated mode group rectangular in form of lower rack gear.When work, since reciprocating driving frame needs
It is engaged with partial gear, by the driving of partial gear, therefore it is higher to the stability requirement of reciprocating driving frame;And
After the above-mentioned squaring setting to the progress of reciprocating driving frame, its fastness and stability can be enhanced significantly, thus full
Requirement in foot movement to stability.
Preferably, the fixing piece is made of profile, and multiple sliding parts, top seedling needle end are equipped in the sliding slot of the profile
Portion is threaded with threads hole, screws and is locked in position at equal intervals through the "T"-shaped screw in the "T"-shaped slot of profile, pushes up seedling needle
The snap ring for top seedling needle to be fixed is additionally provided between profile.It, can by sliding part mobile in sliding slot when work
Change position of the top seedling needle on fixing piece, to adjust according to demand between the spacing the position of top seedling needle and top seedling needle
It is whole, after completing adjustment, snap ring is recycled to realize the fixation of top seedling needle.
Preferably, it is connected between the described first reciprocating driving frame and profile by " u "-shaped connector, wherein " u "-shaped connects
The bottom plate of fitting is mounted on the top surface of profile, and the vertical plate of " u "-shaped connector is fixedly connected with the side of lower rack gear.Work
When, the " u "-shaped connector also has the function of for reciprocating driving frame being lifted, so that lower tooth in addition to having the function of connection
There is certain distance the top surface of the bottom surface of item to profile, to ensure that reciprocating driving frame during exercise will not be with another group of top
Profile in seedling needle assemblies interferes.
Preferably, two groups of top seedling needle assemblies of the back-to-back setting are a pair of Ding Yang needle assemblies working group, the gear
Axis is equipped with multipair Ding Yang needle assemblies working group.When work, it is only necessary to which a gear shaft rotation is just able to drive multiple groups top seedling needle
Component operation group works at the same time, therefore has the advantages that driving structure is simple, compact, drive efficiency is high.
Preferably, the countercheck rod is mounted on the rack by fixing seat, and a pair of of side of the fixing seat is equipped with through-hole,
Bearing is equipped in the through-hole, one end of the countercheck rod is set on bearing.
Preferably, the fixing seat is made of ear mount, is connected between the ear mount and the sliding block by mounting plate, wherein
The plate heart hole for installing ear mount is equipped at the plate heart of mounting plate, the surrounding of mounting plate is distributed with for passing through spiral shell between sliding block
Follow closely the fixation hole of connection.The advantages of this arrangement are as follows, on the one hand, by being capable of increasing between ear mount and sliding block after adding mounting plate
Contact area, on the other hand, will between mounting plate and sliding block by be distributed in mounting plate surrounding multiple screws connect, can
Fix ear mount strongerly on a mounting board, so as to prevent ear mount from issuing by the biggish torque effect of countercheck rod
Life is tumbled.
The working principle of the invention is:
When work, driven by artificial or motor-driven mode turntable shaft according to the same direction continuously into
It rotates to one lattice of row, one lattice, after turntable shaft rotation, tooth engagement, the second cone tooth and the 6th cone tooth can be bored by the first cone tooth and third
Engagement and the 4th cone tooth and the 5th bore tooth engagement to drive telescoping drive mechanism, moving drive mechanism, stepping decline driving machine
The top seedling task of entire grid seedling disk is completed in mutually coordinated movement between structure three jointly.
Wherein, the top seedling movement of same grid seedling disc layer rice shoot is according to " telescoping drive mechanism driving top seedling needle is flexible dynamic
Work once ejects rice shoot -- at the mobile lattice to adjacent rice shoot grid position of moving drive mechanism driving top seedling needle -- it is flexible
Driving mechanism continues driving top seedling needle expanding-contracting action and once ejects rice shoot -- and moving drive mechanism driving top seedling needle moves again
At one lattice to adjacent rice shoot grid position " mode move in circles progress;When top, seedling needle is completed in same layer grid seedling disk
In the last one rice shoot grid after the top seedling task of (i.e. the rice shoot grid of grid seedling disk end point) rice shoot, stepping declines driving machine
Structure just drives grid seedling consolidation body line down, so that upper one layer of rice shoot to be pushed up of grid seedling disk moves to and top seedling needle same layer
To continue above-mentioned top seedling task, from above-mentioned top seedling movement unlike, after switching push up seedling needle top seedling move be with cut
What the opposite direction before changing carried out;After the top seedling task for completing the switchable layer, stepping decline driving mechanism drives grid seedling consolidation again
Body line down pushes up the top seedling task after seedling needle is switched over again with opposite top seedling direction, so that pushing up seedling needle passes through the difference
Round-trip staggered motion mode is completed in all grid seedling disc layer between the switching and adjacent mesh seedling disc layer of grid seedling disc layer
The top seedling task of rice shoot.
Specifically, the working principle of telescoping drive mechanism are as follows: gear shaft rotation drives the first partial gear thereon
(following abbreviations " partial gear ") rotates synchronously, and during rotation, two partial gears pass through corresponding respectively
First it is reciprocating driving frame (following abbreviations " reciprocating driving frame ") engagement mode come successively drive the first reciprocating driving frame,
Push up seedling needle rack and top seedling needle movement.Wherein, since the steering of two partial gears is identical, and under free position, two
The movement of a partial gear meets: when the upper rack of the corresponding reciprocating driving frame of one of partial gear engages
When, the corresponding reciprocating driving frame of another partial gear lower rack gear engagement, when one of partial gear with
Its it is corresponding it is reciprocating driving frame lower rack gear engagement when, the corresponding reciprocating driving frame of another partial gear it is upper
Rack gear engagement, therefore during exercise, when a partial gear drives reciprocating driving frame to move downward, another is not exclusively
Gear necessarily drives reciprocating driving frame to move right, when a partial gear drives reciprocating driving frame to move right,
Another partial gear necessarily drives reciprocating driving frame to move downward, i.e., the fortune of two reciprocating driving frames under free position
It moves contrary or makees movement close to each other or be located remotely from each other movement;And for any one partial gear,
The upper rack of corresponding reciprocating driving frame and the engagement of lower rack gear when different, that is to say, that each partial gear drives past
After compound driving frame is moved to terminal to a direction, then reciprocating driving frame is driven in the reverse direction to the movement of other moving direction.It answers
With the principle, when carrying out top seedling task, when two reciprocating driving frames drive and push up seedling needles and be located remotely from each other movement, two groups of tops
Seedling needle, which is gradually extend into respectively in its corresponding Dropbox seedling lattice, carries out top seedling task, when two reciprocating driving frames drive top seedling needle
When making movement close to each other, two groups of top seedling needles are receded from from grid seedling disk respectively again to be come, so as to complete in the rice shoot grid
The top seedling task of rice shoot is (it should be noted that since the hypodontia section that triconodont bores tooth with first during this matches, no
Second gear axis can be driven to rotate, i.e., top seedling needle rack and countercheck rod are remain stationary motionless);
The working principle of moving drive mechanism are as follows: as turntable shaft continues to rotate, triconodont can be with the tooth of the first cone tooth
Wheel section engage, in engagement drive moving drive mechanism the second partial gear rotate, and then by with upper rack or under
The mode of rack gear engagement drives the second reciprocating driving frame, the first impeller and the mobile lattice of top seedling needle rack integral level,
By two groups of top seedling needles from current rice shoot mesh motion to adjacent rice shoot grid (it should be noted that due to third during this
Partial gear is not engaged with the upper rack of the second reciprocating driving frame and lower rack gear, therefore will not drive the second reciprocating driving
Frame movement, i.e., countercheck rod remain stationary motionless), carry out top seedling task next time.
The working principle of stepping decline driving mechanism are as follows: seedling needle completes the top seedling task of same grid seedling disc layer when top
Afterwards, continuing to rotate with turntable shaft, tooth on third partial gear can with the upper rack of the reciprocating driving frame of third or under
Rack gear engages, and the reciprocating driving frame of third and countercheck rod horizontal movement is driven in engagement, countercheck rod is first detached from currently in movement
Pectination shelves item group, move to staggered another pectination shelves item group, in this process, leave work when two countercheck rods move to
When the end of pectination blend stop, grid seedling disk is fallen downwards under the effect of gravity because losing support, is then located at work pectination and is kept off
Another group of pectination blend stop above item can be contacted with countercheck rod, realize the support to grid seedling disk again, at this time grid seedling disk to
Lower one lattice of movement, mobile distance are equal to the distance between neighbouring two pectination blend stops, that is, are equal in grid seedling disk one
The height of rice shoot grid, thus realize grid seedling disk move down switching task (it should be noted that should during first not exclusively
Engagement rotation do not occur for gear and upper rack on the second reciprocating driving frame and lower rack gear, therefore the second reciprocating driving frame,
Top seedling needle rack and top seedling needle are in stationary state).
The present invention have compared with prior art it is below the utility model has the advantages that
1, the linkage period stepping mechanism of three-dimensional three of unidirectional drive of the invention is only needed by driving turntable shaft rotation, just
It can be realized the common driving to telescoping drive mechanism, moving drive mechanism and stepping decline driving mechanism three, realize three
The driving effect of three linkage of dimension, therefore have many advantages, such as that driving source is few, linkage is good, simple and compact for structure.
2, the three-dimensional three of unidirectional drive of the invention links period stepping mechanism on the basis of three-dimensional three links, Neng Gou
Top seedling task is directly carried out under the driving of telescoping drive mechanism, without overcoming the elastic force of spring to spring extra work, thus
Driving force that can significantly during smaller top seedling needle movement, therefore has the advantages that rapid operation;Further, since top seedling
The stretching motion stroke of needle is that have teeth portion by the length and partial gear of upper rack and lower rack gear in reciprocating driving frame
What the circumferencial direction line length divided determined, therefore when the stretching motion stroke for needing increase to push up seedling needle, it is only necessary on directly increasing
The length of the circumferencial direction of the toothed portion of rack gear and lower rack gear and partial gear, without increasing whole cam
The diameter of axis, therefore regulation is convenient, exploitativeness is strong.
3, the three-dimensional three of unidirectional drive of the invention links period stepping mechanism on the basis of three-dimensional three ganged movement effects
On, both solved the problems, such as the leakage top of rice shoot in existing rice planter, while complete top seedling needle by dexterously design
Automatically carry out grid seedling consolidation body in same grid seedling disc layer after the top seedling task of rice shoot moves down motion switch, by former upper layer
Rice shoot in rice shoot grid rice shoot is placed in when sinciput seedling layer carries out top seedling task, to guarantee the top of rice shoot in entire Dropbox seedling lattice
Seedling task can be carried out successively;In addition, real by way of partial gear is utilized and is matched with reciprocating driving frame
The driving of the reciprocation type movement to top seedling needle is showed, on this basis, further through two groups of partial gears of setting, and by this two groups
Partial gear realized by way of its reciprocating driving frame " complementary engagement " grid seedling consolidation body lower shifting movement and
The cooperation movement for pushing up the horizontal movement of seedling needle, grid seedling disk is automatically controlled at the time of best and carries out whole lower movement
It is dynamic, it ensure that the top seedling task of rice shoot in entire Dropbox seedling lattice can be carried out successively, which is in preferred embodiment
On the basis of obtained by less preferred again, therefore design extremely ingenious.
Detailed description of the invention
Fig. 1 is an a kind of specific embodiment of the linkage period stepping mechanism of three-dimensional three of unidirectional drive of the invention
Structural schematic diagram.
Fig. 2 is the solid for applying a kind of rice planter of the linkage period stepping mechanism of three-dimensional three of unidirectional drive of the invention
Structural schematic diagram.
Fig. 3 is that the structure of telescoping drive mechanism in the linkage period stepping mechanism of three-dimensional three of unidirectional drive shown in FIG. 1 is shown
It is intended to.
Fig. 4 is the knot that stepping declines driving mechanism in the linkage period stepping mechanism of three-dimensional three of unidirectional drive shown in FIG. 1
Structure schematic diagram.
Fig. 5 is that stepping declines driving mechanism and shifting in the linkage period stepping mechanism of three-dimensional three of unidirectional drive shown in FIG. 1
The structural schematic diagram of dynamic driving mechanism.
Seedling needle assemblies 1 are pushed up, telescoping drive mechanism 2, moving drive mechanism 3, stepping decline driving mechanism 4, seedling needle 5 is pushed up, is solid
Determine the reciprocating driving frame 7 of part 6, first, the first partial gear 8, first gear axis 9, rack 10, the first impeller 11, second
Reciprocating driving frame 12, second gear axis 14, pushes countercheck rod 15, pectination blend stop 16, second to push at second partial gear 13
The reciprocating driving frame 18 of part 17, third, third partial gear 19, turntable shaft 20, first bore tooth 21, second and bore tooth 22, third
Tooth the 23, the 4th is bored to bore tooth 24, the cone cone of tooth the 26, the 6th of transmission shaft the 25, the 5th tooth 27, grid seedling disk 28, slide rail pair 29, fix
Seat 30, turntable 31.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Referring to Fig. 1 and Fig. 2, a kind of three-dimensional three of unidirectional drive of the invention links period stepping mechanism including being arranged in machine
Top seedling needle assemblies 1 on frame 10, for driving top seedling needle assemblies 1 to make the telescoping drive mechanism 2 of flexible top seedling task, for driving
Top seedling needle assemblies 1 carry out the moving drive mechanism 3 of horizontal handoff movement, for driving grid seedling disk 28 between different rice shoot grids
Make the stepping decline driving mechanism 4 and total output mechanism of entire lowering movement, wherein the top seedling needle assemblies 1 are two groups, two
Group top seedling needle assemblies 1 are back-to-back arranged on the seedling needle rack of top, and every group of top seedling needle assemblies 1 include multiple top seedling needles 5 and are used for
The fixing piece 6 of fixed top seedling needle 5, multiple linear equidistant arrangements on fixing piece 6 of top seedling needle 5, and when one of top seedling needle 5
When one of rice shoot grid in face grid seedling disk 28, seedling needles all its corresponding rice shoot grids of face in others top are adjacent
Several rice shoot grids are generally spaced between two top seedling needles 5, specific distance is determined according to the line-spacing that array broadcasts seedling agriculture requirement,
One end of each top seedling needle 5 is the fixing end for connecting with fixing piece 6, and the other end is the free end for pushing up seedling, described solid
Determine to connect between part 6 and top seedling needle rack by slide construction.
Referring to figs. 2 and 3, the telescoping drive mechanism 2 include the first reciprocating driving frame 7, the first partial gear 8 with
And the first gear axis 9 for driving the first partial gear 8 to rotate, wherein the first reciprocating driving frame 7 includes parallel
The upper rack of setting and lower rack gear, are linked together between upper rack and lower rack gear by connector, the first reciprocating drive
Dynamic frame 7 is two groups, this two group first reciprocating driving frame 7 and two groups of one-to-one connections of fixing piece 6;First partial gear
8 be two, is separately positioned between the upper rack and lower rack gear of its corresponding first reciprocating driving frame 7.
Referring to Fig. 3-Fig. 5, the moving drive mechanism 3 includes the first impeller 11 and the connect with top seedling needle rack
One impeller 11 connection the second reciprocating driving frame 12, the second partial gear 13 and for driving the second partial gear
The second gear axis 14 of 13 rotations, wherein the second reciprocating driving frame 12 includes upper rack disposed in parallel and lower rack gear,
It is linked together between upper rack and lower rack gear by connector, second partial gear 13 is arranged in upper rack and lower tooth
Between item;The stepping decline driving mechanism 4 includes the work that 15 component of countercheck rod and promotion 15 component of countercheck rod move horizontally
Motivation structure, wherein 15 component of countercheck rod is two groups, two groups of back-to-back settings of 15 component of countercheck rod, every group of countercheck rod 15
Component include two countercheck rods 15, two countercheck rods 15 respectively with the pectination blend stop 16 1 on 28 liang of grid seedling disk vertical sides
One is correspondingly arranged, and two countercheck rods 15 link together;The movable device includes that second connect with countercheck rod 15 pushes away
Moving part 17, the reciprocating driving frame 18 of the third being connect with the second impeller 17 and third partial gear 19, wherein described
Three partial gears 19 are arranged between the upper rack and lower rack gear of the reciprocating driving frame 18 of third, the third partial gear
19 are arranged on the second gear axis 14.
Referring to Fig. 1 and Fig. 2, the total output mechanism includes turntable shaft 20, and the turntable shaft 20 is vertically arranged, on turntable shaft 20
It is respectively equipped with the first cone tooth 21 and the second cone tooth 22, the first cone tooth 21 is not exclusively to bore tooth;On the second gear axis 14
Equipped with triconodont 23, which engages with the first cone tooth 21;The first gear axis 9 is equipped with the 4th cone tooth
24, transmission shaft 25 is additionally provided between first gear axis 9 and turntable shaft 20, the both ends of the rotation axis are respectively equipped with the 5th cone 26 He of tooth
6th cone tooth 27, the second cone tooth 22 are engaged with the 6th cone tooth 27, and the 4th cone tooth 24 is engaged with the 5th cone tooth 26.
Referring to Fig. 3, the slide construction is made of slide rail pair 29, and slide rail pair 29 includes sliding block and guide rail,
Wherein, the guide rail is mounted on 5 movable stand of seedling needle of top, which is arranged perpendicular to grid seedling disk, and two groups of fixing pieces 6 divide
It is not mounted on sliding block.The advantages of this arrangement are as follows the slide construction being made of slide rail pair 29 can greatly reduce top
Friction in 5 motion process of seedling needle, so that top seedling movement is more smooth smooth.As a preferred embodiment, the slide rail
Pair 29 is two groups, and two groups of slide rail pairs 29 are separately positioned on the both ends of fixing piece 6.When work, two groups of slide rail pairs 29
One in front and one in back fixing piece 6 can be supported, to increase stationarity when top seedling needle 5 pushes up seedling movement.
Referring to fig. 2, for the top seedling needle 5 by cylinder bar construction, one end of the cylindrical rod is locked at fixation by helicitic texture
On part 6.The advantages of this arrangement are as follows the top seedling needle 5 being made of cylindrical bar shape has the advantages that simple structure and convenient processing.
When work, since one end of countercheck rod 15 is mounted on bearings, it can be rotated together with the inner ring of bearing, therefore work as driving machine
When structure driving countercheck rod 15 makees horizontal handoff movement, countercheck rod 15 advances in a rolling manner on pectination blend stop, the rolling
Dynamic mode is while reducing the frictional force in the movement of countercheck rod 15, additionally it is possible to increase the flexibility of countercheck rod 15, reduce and comb
Collision when shape shelves item 26 switches.The connector is strip, which is two, two strip connectors
Pass through the reciprocating driving frame with upper rack and the concatenated mode group rectangular in form of lower rack gear.When work, due to reciprocating driving
Frame needs are engaged with partial gear, by the driving of partial gear, therefore the stability requirement to reciprocating driving frame
It is higher;And by it is above-mentioned squaring setting is carried out to reciprocating driving frame after, its fastness and stability can be enhanced significantly,
To meet the requirement in movement to stability.The fixing piece 6 is made of profile, and multiple cunnings are equipped in the sliding slot of the profile
Moving part, 5 end of top seedling needle are threaded with threads hole, screw and lock through the "T"-shaped screw in the "T"-shaped slot of profile
The snap ring being additionally provided between seedling needle 5 and profile for top seedling needle 5 to be fixed is pushed up in position at equal intervals.When work, by cunning
Mobile sliding part in slot can change position of the top seedling needle 5 on fixing piece 6, thus according to demand to the position of top seedling needle 5 with
And the spacing between the seedling needle 5 of top is adjusted, and after completing adjustment, snap ring is recycled to realize the fixation of top seedling needle 5.Described first is reciprocal
It is connected between formula driving frame and profile by " u "-shaped connector, wherein the bottom plate of " u "-shaped connector is mounted on the top surface of profile
On, the vertical plate of " u "-shaped connector is fixedly connected with the side of lower rack gear.When work, the " u "-shaped connector connects in addition to having
The effect connect also has the function of for reciprocating driving frame being lifted, so that the top surface of the bottom surface of lower rack gear to profile has centainly
Distance, to ensure that reciprocating driving frame will not interfere during exercise with the profile in another group of top seedling needle assemblies 1.
Referring to fig. 2, two groups of top seedling needle assemblies of the back-to-back setting are a pair of of top 1 working group of seedling needle assemblies, the tooth
Wheel shaft is equipped with multipair Ding Yang needle assemblies working group.When work, it is only necessary to which a gear shaft rotation is just able to drive multiple groups top seedling
Needle assemblies working group works at the same time, therefore has the advantages that driving structure is simple, compact, drive efficiency is high.
It is mounted in rack 10 with Fig. 5, the countercheck rod 15 by fixing seat 30 referring to fig. 4, a pair of the fixing seat 30
Side is equipped with through-hole, is equipped with bearing in the through-hole, one end of the countercheck rod is set on bearing.The fixing seat 30 is by ear
Seat is constituted, and is connected between the ear mount and the sliding block by mounting plate, wherein is equipped at the plate heart of mounting plate for installing ear mount
Plate heart hole, the fixation hole for being connected by screw between sliding block is distributed in the surrounding of mounting plate.The benefit being arranged in this way
It is, on the one hand, by adding after mounting plate the contact area being capable of increasing between ear mount and sliding block, on the other hand, by mounting plate
It is connect between sliding block by being distributed in multiple screws of mounting plate surrounding, ear mount can be made to be fixed on mounting plate strongerly
On, so as to prevent ear mount from tumbling under by the effect of the biggish torque of countercheck rod 15.
Referring to Fig. 1-Fig. 5, the working principle of the invention is:
When work, turntable 31 is rotated by artificial or motor-driven mode to drive turntable shaft 20 according to the same direction
It rotates with continuously carrying out one lattice of a lattice, after turntable shaft 20 rotates, can be engaged by the first cone tooth 21 with triconodont 23,
Second cone tooth 22 with the 6th cone tooth 27 engage and the 4th bore tooth 24 with the 5th bore tooth 26 engage drive telescoping drive mechanism 2,
Mutually coordinated movement between moving drive mechanism 3, stepping decline 4 three of driving mechanism, completes entire grid seedling disk 28 jointly
Push up seedling task.
Wherein, the top seedling movement of same 28 layers of rice shoot of grid seedling disk is according to " driving of telescoping drive mechanism 2 top seedling needle 5 is stretched
Contracting movement once ejects rice shoot -- the mobile lattice of the driving of moving drive mechanism 3 top seedling needle 5 to adjacent rice shoot grid position
Place -- telescoping drive mechanism 2 continues driving top 5 expanding-contracting action of seedling needle and once the ejects rice shoot -- driving of moving drive mechanism 3 top seedling
Needle 5 is moved again at a lattice to adjacent rice shoot grid position " mode move in circles progress;When top, seedling needle 5 is completed together
In layer grid seedling disk 28 in the last one rice shoot grid (i.e. the rice shoot grid of 28 end point of grid seedling disk) rice shoot top seedling task
Afterwards, stepping decline driving mechanism 4 just drives the whole line down of grid seedling disk 28, completes different 28 layers of grid seedling disk of switchings and appoints
Business pushes up seedling needle 5 later and repeats 28 layers of grid seedling disk after the above-mentioned top seedling movement completion switching to same 28 layers of rice shoot of grid seedling disk
The top seedling task of interior rice shoot completes the top seedling task for ejecting rice shoot in all 28 layers of grid seedling disk according to similarly later.
Specifically, the working principle of telescoping drive mechanism 2 are as follows: gear shaft rotation, drive thereon two first not exclusively
Gear 8 rotates synchronously, and during rotation, two the first partial gears 8 pass through the first corresponding reciprocating drive respectively
The mode of frame 7 (following abbreviations " reciprocating driving frame ") engagement is moved successively to drive the first reciprocating driving frame 7, top seedling needle rack
And top seedling needle 5 moves.Wherein, since the steering of two the first partial gears 8 is identical, and under free position, two
The movement of one partial gear 8 meets: when the first corresponding reciprocating driving frame 7 of one of them first partial gear 8
Upper rack engagement when, another first partial gear 8 it is corresponding first it is reciprocating driving frame 7 lower rack gear engagement,
When the lower rack gear engagement of the first corresponding reciprocating driving frame 7 of one of them first partial gear 8, another first
The upper rack engagement of the first corresponding reciprocating driving frame 7 of partial gear 8, therefore during exercise, when one first not
When complete gear 8 drives the first reciprocating driving frame 7 to move downward, another first partial gear 8 necessarily drives first past
Compound driving frame 7 moves right, another when first partial gear 8 drives the first reciprocating driving frame 7 to move right
A first partial gear 8 necessarily drives the first reciprocating driving frame 7 to move downward, i.e., under free position two it is first reciprocating
It drives the direction of motion of frame 7 opposite or makees movement close to each other or be located remotely from each other movement;And for any one
First partial gear 8, the upper rack of the first corresponding reciprocating driving frame 7 and the engagement of lower rack gear when different, that is,
After saying that each first partial gear 8 drives the first reciprocating driving frame 7 to be moved to terminal to a direction, then it is driven in the reverse direction the
One reciprocating driving frame 7 is mobile to other moving direction.Using the principle, when carrying out top seedling task, when two first it is reciprocal
When formula driving frame 7 drives top seedling needle 5 to be located remotely from each other movement, two groups of top seedling needles 5 gradually extend into its corresponding Dropbox seedling respectively
Top seedling task is carried out in lattice, when two the first reciprocating driving frames 7 drive top seedling needle 5 to make movement close to each other, two groups of top seedlings
Needle 5 is receded from from grid seedling disk 28 respectively again to be come, and the top seedling task so as to complete rice shoot in the rice shoot grid (needs to illustrate
, since the hypodontia section that triconodont 23 bores tooth 21 with first during this matches, second gear axis 14 will not be driven
Rotation, i.e. top seedling needle rack and countercheck rod 15 are remain stationary motionless);
The working principle of moving drive mechanism 3 are as follows: as turntable shaft 20 continues to rotate, triconodont 23 can be with the first cone tooth
21 gear segment engages, in engagement drive moving drive mechanism 3 the second partial gear 13 rotation, and then by with it is upper
Rack gear or the mode of lower rack gear engagement drive the second reciprocating driving frame 12, the first impeller 11 and top seedling needle rack entirety water
Translate a dynamic lattice, by two groups of top seedling needles 5 from current rice shoot mesh motion to adjacent rice shoot grid (it should be noted that due to
Third partial gear 19 is not engaged with the upper rack of the second reciprocating driving frame 12 and lower rack gear during this, therefore will not be driven
Dynamic second reciprocating driving frame 12 moves, i.e., countercheck rod 15 is remain stationary motionless), carry out top seedling task next time.
The principle of stepping decline driving mechanism 4 are as follows: seedling needle 5 completes same 28 layers of grid seedling disk of top seedling task when top
Afterwards, continuing to rotate with turntable shaft 20, the tooth on third partial gear 19 can be with the upper tooth of the reciprocating driving frame 18 of third
Item or lower rack gear engage, and the reciprocating driving frame 18 of third and 15 horizontal movement of countercheck rod, countercheck rod in movement are driven in engagement
15 are first detached from current pectination shelves item group, staggered another pectination shelves item group are moved to, in this process, when two countercheck rods 15
When moving to the end for leaving work pectination blend stop 16, grid seedling disk 28 is fallen downwards under the effect of gravity because losing support,
Then another group of pectination blend stop 16 for being located at 16 top of work pectination blend stop can be contacted with countercheck rod 15, be realized again to grid seedling
The support of disk 28, grid seedling disk 28 moves down a lattice at this time, mobile distance be equal to neighbouring two pectination blend stops 16 it
Between distance, that is, be equal to grid seedling disk 28 in a rice shoot grid height, thus realize grid seedling disk 28 move down switching appoint
Business is (it should be noted that upper rack and lower rack gear during being somebody's turn to do on the first partial gear 8 and the second reciprocating driving frame 12
Engagement rotation does not occur, therefore the second reciprocating driving frame 12, top seedling needle rack and top seedling needle 5 are in stationary state).
Above-mentioned is the preferable embodiment of the present invention, but embodiments of the present invention are not limited by the foregoing content,
His any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, should be
The substitute mode of effect, is included within the scope of the present invention.
Claims (10)
- The period stepping mechanism 1. a kind of three-dimensional three of unidirectional drive links, which is characterized in that including top seedling needle assemblies, for driving Top seedling needle assemblies make the telescoping drive mechanism of flexible top seedling task, for driving top seedling needle assemblies to carry out between different rice shoot grids Horizontal handoff movement moving drive mechanism, for drive grid seedling disk make entire lowering movement stepping decline driving mechanism with And total output mechanism, wherein the top seedling needle assemblies are two groups, and top seedling needle rack is back-to-back arranged in two groups of top seedling needle assemblies On, every group of top seedling needle assemblies include multiple top seedling needles and the fixing piece for fixed top seedling needle, and multiple top seedling needles are on fixing piece Linear equidistant arrangement, and when one of rice shoot grid in one of top seedling needle face grid seedling disk, others top Its corresponding rice shoot grid of seedling needle all faces, one end of each top seedling needle are the fixing end for connecting with fixing piece, the other end For the free end for pushing up seedling, connected between the fixing piece and top seedling needle rack by slide construction;Wherein, the telescoping drive mechanism includes the first reciprocating driving frame, the first partial gear and is used to drive first The first gear axis of partial gear rotation, wherein the first reciprocating driving frame includes upper rack disposed in parallel under Rack gear is linked together between upper rack and lower rack gear by connector, and the first reciprocating driving frame is two groups, this two groups First reciprocating driving frame and two groups of one-to-one connections of fixing piece;First partial gear is two, is separately positioned on it Between the upper rack and lower rack gear of corresponding first reciprocating driving frame;The moving drive mechanism include the first impeller being connect with top seedling needle rack, connect with the first impeller it is second past Compound driving frame, the second partial gear and the second gear axis for driving the second partial gear to rotate, wherein described Second reciprocating driving frame includes upper rack disposed in parallel and lower rack gear, is connected between upper rack and lower rack gear by connector Together, second partial gear is arranged between the upper rack and lower rack gear of the second reciprocating driving frame;The stepping decline driving mechanism includes the movable device for stopping bar assembly and blocking bar assembly being pushed to move horizontally, In, the blocking bar assembly is two groups, two groups of back-to-back settings of blocking bar assembly, and every group of blocking bar assembly includes two blockings Bar, two countercheck rods are arranged in a one-to-one correspondence with the pectination blend stop on the vertical side of grid seedling disk two respectively, and this two blockings Bar links together;The movable device includes the second impeller connecting with countercheck rod, the third connecting with the second impeller Reciprocating driving frame and third partial gear, wherein the third partial gear is arranged in the reciprocating driving frame of third Upper rack and lower rack gear between, the third partial gear is arranged on the second gear axis;The total output mechanism includes turntable shaft, and the turntable shaft is vertically arranged, and the first cone tooth and second are respectively equipped on turntable shaft Tooth is bored, the first cone tooth is not exclusively to bore tooth;The second gear axis is equipped with triconodont, the triconodont and described the One cone tooth engagement;The first gear axis is equipped with the 4th cone tooth, is additionally provided with transmission shaft between second gear axis and turntable shaft, should The both ends of rotation axis are respectively equipped with the 5th cone tooth and the 6th cone tooth, the 4th cone tooth and the 5th cone tooth engagement, second cone Tooth and the 6th cone tooth engagement.
- The period stepping mechanism 2. the three-dimensional three of unidirectional drive according to claim 1 links, which is characterized in that the top seedling Needle is locked on fixing piece by cylinder bar construction, one end of the cylindrical rod by helicitic texture.
- The period stepping mechanism 3. the three-dimensional three of unidirectional drive according to claim 2 links, which is characterized in that the fixation Part is made of profile, and multiple sliding parts are equipped in the sliding slot of the profile, and the top seedling needle end part is threaded with threads hole, through being embedded in type "T"-shaped screw in the "T"-shaped slot of material, which screws, to be locked in position at equal intervals, is pushed up and is additionally provided between seedling needle and profile for top The snap ring that seedling needle is fixed.
- The period stepping mechanism 4. the three-dimensional three of unidirectional drive according to claim 3 links, which is characterized in that the connection Part is strip, the strip connector be two, two strip connectors by with upper rack and the lower concatenated side of rack gear The reciprocating driving frame of the first of formula group rectangular in form.
- The period stepping mechanism 5. the three-dimensional three of unidirectional drive according to claim 4 links, which is characterized in that described first It is connected between reciprocating driving frame and profile by " u "-shaped connector, wherein the bottom plate of " u "-shaped connector is mounted on profile On top surface, the vertical plate of " u "-shaped connector is fixedly connected with the side of lower rack gear.
- The period stepping mechanism 6. the three-dimensional three of unidirectional drive according to claim 1-5 links, which is characterized in that The slide construction is made of slide rail pair, which includes sliding block and guide rail, wherein the guide rail is mounted on top On seedling needle movable stand, which is arranged perpendicular to grid seedling disk, and two groups of fixing pieces are separately mounted on sliding block.
- The period stepping mechanism 7. the three-dimensional three of unidirectional drive according to claim 6 links, which is characterized in that the sliding Guideway is two groups, and two groups of slide rail pairs are separately positioned on the both ends of fixing piece.
- The period stepping mechanism 8. the three-dimensional three of unidirectional drive according to claim 1-5 links, which is characterized in that Two groups of top seedling needle assemblies of the back-to-back setting are a pair of Ding Yang needle assemblies working group, and the gear shaft is equipped with multipair top seedling Needle assemblies working group.
- The period stepping mechanism 9. the three-dimensional three of unidirectional drive according to claim 1-5 links, which is characterized in that The countercheck rod is mounted on the rack by fixing seat, and a pair of of side of the fixing seat is equipped with through-hole, is equipped with axis in the through-hole It holds, one end of the countercheck rod is set on bearing.
- The period stepping mechanism 10. the three-dimensional three of unidirectional drive according to claim 9 links, which is characterized in that described solid Reservation is made of ear mount, is connected between the ear mount and the sliding block by mounting plate, wherein is equipped with and is used at the plate heart of mounting plate The plate heart hole of ear mount is installed, the fixation hole for being connected by screw between sliding block is distributed in the surrounding of mounting plate.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109892084A (en) * | 2019-04-17 | 2019-06-18 | 湖南农业大学 | Seedling taking machine for bottomless seedling disk |
CN111745804A (en) * | 2020-07-06 | 2020-10-09 | 山东创伟外墙保温材料集团有限公司 | Reciprocating type panel maintenance frame |
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