CN102783292A - Horizontal adjusting mechanism of precision seeding machine for field seedling raising - Google Patents
Horizontal adjusting mechanism of precision seeding machine for field seedling raising Download PDFInfo
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- CN102783292A CN102783292A CN2012102678640A CN201210267864A CN102783292A CN 102783292 A CN102783292 A CN 102783292A CN 2012102678640 A CN2012102678640 A CN 2012102678640A CN 201210267864 A CN201210267864 A CN 201210267864A CN 102783292 A CN102783292 A CN 102783292A
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Abstract
The invention discloses a horizontal adjusting mechanism of a precision seeding machine for field seedling raising, and mainly relates to the technical field of agricultural precision seeding machines. The horizontal adjusting mechanism of the precision seeding machine for field seedling raising comprises a one-translation and two-rotation shunt-wound mechanism formed by three different branch chains, a static platform and a mobile platform, wherein three sliding pairs are driving pairs. Through the adjustment of the three sliding pairs, the adjustment of the levelness of the vibrating seed plate of a seeder can be achieved. The utility model has the advantages that the rigidity of the mechanism is high, the bearing capacity is strong, the adjusting accuracy is high, a user can adjust the horizontal position of the seeder conveniently, and conditions for field seedling raising and seeding can be achieved.
Description
Technical field
The invention belongs to the agricultural seeding machine technical field, be specifically related to a kind of field precision planter level(l)ing mechanism of growing seedlings.
Background technology
Sowing is the important technical links in the agricultural production process, along with the high speed development of China's economic society, and the continuous progress of agricultural science and technology, the enforcement of precision agriculture is had higher requirement to seeding quality.Sower is the main means that realize mechanization precise sowing technology, and the quality of its performance directly influences upgrowth situation and the output of seeding quality and crops.The field precise seeder for raising that the present invention matches is a kind of aspiration vibration disc type precision planter; It can overcome the many shortcomings of mechanical type seeding apparatus; The seed physical dimension is required not tight, be prone to realize the simple grain program request, have advantages such as operating speed height, seed damage ratio are little.Aspiration vibration disc type precision planter is grown seedlings in the sowing process in the field, if the sower vibration is planted takes inventory at certain angle of inclination, and the position that can cause having on kind of the dish does not have seed, causes some sucker hole to be inhaled and causes sowing the hole less than seed.Even through the processing before the seedling; Also certainly exist the irregular situation of some places; When on the walking guide rail that complete in the field, sowing, may there be two inclinations angle in the horizontal direction in sower vibration kind of a dish, and this just needs a kind of level(l)ing mechanism; Sower vibration kind of a dish is remained under the level vibrate, guarantee the precise sowing requirement of aspiration vibrating precise sower.
Level(l)ing mechanism of the present invention is that the three-freedom degree spatial parallel structure is rotated in an a kind of translation two, selects three moving sets as driving auxiliary, and it can accurately realize the requirement of both direction angular adjustment.Mechanism is in horizontal adjustment process; At first on sower vibration kind of dish crossbeam, adorn the digital display instrument of two angle levels; It can show sowing machine dish tilt condition; Just can guarantee to vibrate the level of kind of dish through the back of converting through the adjusting of level(l)ing mechanism, condition is provided for realizing the aspiration vibration disc type field precise sowing of growing seedlings.
Summary of the invention
But the objective of the invention is to provide a kind of implementation space mechanism that two dimension is rotated, satisfy the problem that field precise seeder for raising vibration kind of dish keeps level.
Realize that technical scheme of the present invention is: the field precision planter level(l)ing mechanism of growing seedlings comprises fixed platform, moving platform and is connected fixed platform and a translation two one-rotation parallel mechanisms that three side chains of moving platform are formed; Three side chains of a said translation two one-rotation parallel mechanisms are side chain AB, side chain EDC and side chain HGF; The A of side chain AB end links with the fixed platform moving sets on one's body, and the B end of side chain AB links with the moving platform ball is secondary; Side chain EDC is made up of side chain ED and side chain DC, and the E end of side chain ED links with the fixed platform moving sets, and the D end of side chain ED links with the D end revolute pair of side chain DC, and the C end of side chain DC is for linking with the moving platform ball is secondary; Side chain HGF is made up of side chain HG and side chain GF, and the H end of side chain HG links with the fixed platform moving sets, and the G end of side chain HG links with the G end ball pair of side chain GF, and the F end of side chain GF links with the moving platform ball is secondary.The line quadrature of the line of A, E and A, H.The parallel institution installation site: fixed platform is connected with walking chassis, lower end, and moving platform is connected with sower vibration kind of a disc system frame mutually, realizes the requirement of sower level adjusting through regulating three moving sets during level-off.
The invention has the advantages that:
(1) this two rotation-translations parallel institution is simple in structure, and its kinematics two loop equations are independently, and input is analytic solutions with output relation.
(2) this mechanism has advantages such as simple in structure, that rigidity is big, working space is big.
(3) this field precision planter level(l)ing mechanism kinematic accuracy of growing seedlings is high, is easy to control, can realize the requirement that level is regulated under the adverse circumstances.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the field of the present invention precision planter level(l)ing mechanism structural representation of growing seedlings.
Embodiment
As shown in Figure 1, AHE is a silent flatform, and BCF is a moving platform, and A, E, H are moving sets (P is secondary), and D is revolute pair (R is secondary), and B, C, G, F are ball secondary (S is secondary).
Patent of the present invention field precise seeder for raising level-off parallel institution is made up of three side chain AB, EDC, HGF of fixed platform, moving platform and connection fixed platform and moving platform; The A place of side chain AB links with the fixed platform moving sets, and the B place of side chain AB links with the moving platform ball is secondary; Side chain EDC is made up of side chain ED and side chain DC, and the E place of side chain ED links with the fixed platform moving sets, and the D place of side chain ED links with side chain DC revolute pair, and the C place of side chain DC links with the moving platform ball is secondary; Side chain HGF is made up of side chain HG and side chain GF, and the H place of side chain HG links with the fixed platform moving sets, and the G place of side chain HG links with side chain GF ball is secondary, and the F place of side chain GF links with the moving platform ball is secondary.The line quadrature of the line of A, E and A, H.
According to the characteristics of field aspiration vibration disc type precision planter vibration kind of dish motion, draw the necessity of sower work level-off in the field.Analyze the kinetic characteristic of this parallel institution degree of freedom and moving platform; Draw this parallel institution and have three degree of freedom; The freely-movable of moving platform is along the moving of Z axle, around with the rotation of X axle with around the rotation of Y axle, can satisfy the requirement of level-off, has selected three moving sets as driving auxiliary.Parallel institution has been carried out positive and negative the separating in position to be analyzed the position that has drawn mechanism input and output and concerns mathematic(al) representation.During the level-off operation; At first obtain being contained in sower and vibrate kind of two angles of coiling the sowing machine dish heeling condition of the digital display instrument demonstration of two angle levels on the crossbeam, obtain the value that three mobile driving auxiliary need be regulated after the position relational expression conversion of input of process mechanism and output.Regulate then three move driving auxiliary moving displacement reach the requirement of precise sowing machine vibration kind dish level-off, just can guarantee to vibrate the level of kind of dish through the adjusting of level(l)ing mechanism, for realizing the aspiration vibration disc type field precise sowing of growing seedlings condition is provided.
This level-off mechanism low price, control is easier to, easy to operate and precision is higher, can realize the requirement of level-off under the adverse circumstances, can also be applied to other level-off occasion.
Claims (2)
1. field precision planter level(l)ing mechanism of growing seedlings; It is characterized in that; Comprise fixed platform, moving platform and be connected fixed platform and a translation two one-rotation parallel mechanisms of three side chains compositions of moving platform; Three side chains of a said translation two one-rotation parallel mechanisms are side chain AB, side chain EDC and side chain HGF, and the A of side chain AB end links with the fixed platform moving sets on one's body, and the B end of side chain AB links with the moving platform ball is secondary; Side chain EDC is made up of side chain ED and side chain DC, and the E end of side chain ED links with the fixed platform moving sets, and the D end of side chain ED links with the D end revolute pair of side chain DC, and the C end of side chain DC is for linking with the moving platform ball is secondary; Side chain HGF is made up of side chain HG and side chain GF, and the H end of side chain HG links with the fixed platform moving sets, and the G end of side chain HG links with the G end ball pair of side chain GF, and the F end of side chain GF links with the moving platform ball is secondary.
2. according to right 1 described a kind of field precision planter level(l)ing mechanism of growing seedlings, it is characterized in that the moving sets in three side chains of a said translation two one-rotation parallel mechanisms adopts mechanical manual driving device or linear electric motors as drive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102678640A CN102783292A (en) | 2012-07-31 | 2012-07-31 | Horizontal adjusting mechanism of precision seeding machine for field seedling raising |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102678640A CN102783292A (en) | 2012-07-31 | 2012-07-31 | Horizontal adjusting mechanism of precision seeding machine for field seedling raising |
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| CN102783292A true CN102783292A (en) | 2012-11-21 |
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| CN2012102678640A Pending CN102783292A (en) | 2012-07-31 | 2012-07-31 | Horizontal adjusting mechanism of precision seeding machine for field seedling raising |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562333A (en) * | 2016-02-19 | 2016-05-11 | 巢湖学院 | Four-degree-freedom parallel vibrating screen capable of levelling |
| CN105834094A (en) * | 2016-05-24 | 2016-08-10 | 巢湖学院 | Two-degree-of-freedom vibration classification device |
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| CN202697220U (en) * | 2012-07-31 | 2013-01-30 | 江苏大学 | Horizontal adjusting mechanism for field seedling precision planter |
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| JP2001235001A (en) * | 2000-02-22 | 2001-08-31 | Sankyo Seiki Mfg Co Ltd | Link mechanism having two degree of freedom |
| DE10019162A1 (en) * | 2000-04-12 | 2001-10-25 | Kai Anding | Movement system with cylindric glide has three linear drives, and fixed linear guide, work platform fixed to three ball and socket joints each with linear drive |
| CN1526514A (en) * | 2003-09-24 | 2004-09-08 | 杨廷力 | Parallel mechanisms for imaginary axis machine tool, measurer, etc. |
| EP1839804B1 (en) * | 2006-03-31 | 2009-12-02 | Jtekt Corporation | Three degree of freedom parallel mechanism, multi-axis control machine tool using the mechanism and control method for the mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562333A (en) * | 2016-02-19 | 2016-05-11 | 巢湖学院 | Four-degree-freedom parallel vibrating screen capable of levelling |
| CN105834094A (en) * | 2016-05-24 | 2016-08-10 | 巢湖学院 | Two-degree-of-freedom vibration classification device |
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Application publication date: 20121121 |