A kind of towed planter
Technical field
The present invention relates to field of agricultural machinery, particularly relate to a kind of towed planter.
Background technology
Planter is indispensable agricultural machinery in agricultural production, needs single seed of program request in the plantation for part crop, and one is that quantitatively sowing is prone to growth, and two is save crop resource. The point multicast function imperfection of existing planter, often occurs disseminating, uneven sowing, does not sow and damage the phenomenon of seed, and the program request structure excessively complexity of existing planter causes that seeder structure is excessively huge and is not suitable for the sowing of little area.
Summary of the invention
It is an object of the invention to overcome the problems referred to above to provide a kind of towed planter realizing a multicast function.
The above-mentioned technical purpose of the present invention has the technical scheme that a kind of towed planter, dial assembly including rotating shaft, several rotations being connected to side by side in rotating shaft, be connected to the road wheel revolving the hopper dialled on assembly and drive shaft rotation, the non-enclosed cavity body structure that chamber is cooperatively formed is dialled in described rotation by side shield and barrier plate, for accommodating rotation pulling part; Described rotation pulling part is arranged on described rotation and dials in chamber, utilizes rotating shaft to drive it to rotate and dials the seed in chamber from seed export dial-out by entering rotation by seed entrance, including rotary body and a number of plectrum being evenly arranged on described rotary body side face; Seed entrance, is formed by left and right sides baffle fit, and section start is dialled in the rotation being arranged on rotation group chamber; Seed export, is formed by left and right sides baffle fit, and termination place is dialled in the rotation being arranged on rotation group chamber; Described seed entrance and seed export set up the both sides in rotating shaft separately, and described seed export is arranged on rotation and dials the side of assembly direction of advance and dial the lower section of assembly close to rotation.
As preferably, section start is dialled in described rotation, is arranged on described rotation and dials the non-highest order point in chamber, and the rotation seed adjustment period of the day from 11 p.m. to 1 a.m has the moment of resistance; Termination place is dialled in described rotation, freely revolves, according to unrestriced, the mode of dialling, and starting point is arranged on seed when starting to fall.
Described rotation is dialled section start and is referred to that plectrum leaves rotation and dials the position of chamber initial contact seed after completing seed adjustment;Section start is dialled in rotation, action of gravity suffered by seed is on plectrum, with rotation pulling part be centrally formed the moment of resistance, act on rotation of seed rotation being dragged on after the moment of torsion on rotation pulling part overcomes this moment of resistance and dial intracavity, when plectrum turns to peak, it is positioned at the seed on plectrum to depart from successively from plectrum under gravity, along with being rotated further, seed is fallen the non-rotation of rotary body and previous plectrum and is dialled on face after completely disengaging from, seed is under gravity with rotary body and previous plectrum, namely move to seed export in the unrestriced mode of dialling of freely revolving, termination place is dialled in rotation, the all seeds stirred by same plectrum, under gravity to drop out from seed export with the freely falling body mode of rotator inertia simultaneously, complete seed program request, but not be that sequencing drops out successively with the form of disseminating. from sowing effect, all seeds that same plectrum is stirred can be intensively stacked upon by program request, the seed that previous plectrum and later plectrum are stirred has certain spacing, disseminate, be that all seeds stirred by same plectrum are with the seed of not determined number for one group, and often group seed is linearly sowed at certain intervals, what make the seed that previous plectrum and later plectrum stir does not have certain spacing, presents rambling effect.
As preferably, the corresponding central angle of described seed export is ��, and respective radius is R, then �� �� R >=180a; A is critical constant, is based on unrestriced freely revolving the mode of dialling, the theoretical arc length corresponding to seed export when seed has just fallen.
As preferably, the rotation that includes preventing being dished out by seed when rotation is dialled of described barrier plate is dialled the upper stop part in chamber and prevents from seed from dialling mode with non-rotation entering rotation and dial the lower stop part of intracavity, and the gap that the inward flange of described upper stop part and lower stop part and the end of plectrum are formed is less than seed size.
As preferably, described seed entrance is provided with and prevents from plectrum from being dragged on when intracavity is dialled in rotation from seed entrance by seed with the end of upper stop part the anti-nip of folder kind occurring, and the end of the base of described anti-nip and plectrum forms the gap more than or equal to seed size.
As preferably, described hopper forms with the flitch being connected on side shield, is formed for depositing seed and the storage cavity connected with seed entrance.
As preferably, described seed porch is provided with the feeding zone of rotation pulling part one or both sides, and the connected side shield inwall of flitch inwall being positioned at feeding zone forms difference in height.
As preferably, described rotation pulling part is provided with and protrudes outside side shield and for connection rotating shaft aixs cylinder portion to both sides, and described aixs cylinder portion is provided with the trepanning for being socketed rotating shaft, and described side shield is provided with and makes aixs cylinder portion stretch out to turn hole outside side shield.
As preferably, described aixs cylinder portion is connected to bearing, and described side shield is provided with the bearing installation room for installing bearing.
As preferably, described bogie being additionally provided with the pull bar pulling it to move.
Beneficial effects of the present invention: the present invention can be effectively improved the program request effect of seed, it is to avoid the situation such as broadcast leakage occurs, disseminate, and be prevented from card type and damage seed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation that in the embodiment of the present invention, assembly is dialled in rotation;
Fig. 3 is the exploded view that in the embodiment of the present invention, assembly is dialled in rotation;
Fig. 4 is the elevational cross-sectional view that in the embodiment of the present invention, assembly is dialled in rotation;
Fig. 5 is the sectional view of A-A in Fig. 3;
Fig. 6 is the structural representation of seed export in the embodiment of the present invention 1;
In figure: assembly, 11-side shield, 112-bearing installation room are dialled in 1-rotation, and 113-turns hole, 12-barrier plate, the upper stop part of 121-, stop part under 122-, 13-revolves pulling part, 131-rotary body, 132-plectrum, 133-aixs cylinder portion, 134-trepanning, chamber, 15-seed entrance are dialled in 14-rotation, 16-seed export, the anti-nip of 17-, 18-bearing, 2-hopper, 21-storage cavity, 22-feeding zone, 23-gate, 3-rotating shaft, 4-road wheel, 5-bogie, 6-connecting rod, 7-pull bar.
Detailed description of the invention
Specific examples below is only explanation of the invention; it is not limitation of the present invention; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification, but as long as being affected by the protection of Patent Law in scope of the presently claimed invention.
Embodiment 1, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of towed planter, dial assembly including rotating shaft, several rotations being connected to side by side in rotating shaft, be connected to the road wheel revolving the hopper dialled on assembly and drive shaft rotation, rotation is dialled assembly and is arranged on bogie, bogie is provided with dials, by several rotations, the connecting rod that assembly connects as one, and bogie is additionally provided with the pull bar pulling it to move.
Rotation group assembly 1 includes revolving dials chamber 14 and rotation pulling part 13, revolves group chamber 14 and by barrier plate 12 and is positioned at the non-enclosed cavity body structure that the side shield 11 of barrier plate 12 both sides cooperatively forms, revolves pulling part 13 for accommodating. Revolve pulling part 13 to be arranged in rotation group chamber 14, utilize self to rotate and the seed being entered rotation group chamber 14 by seed entrance 15 is transferred to from seed export 16, including rotary body 131 and a number of plectrum 132 being evenly arranged on described rotary body 131 side face. Seed entrance 15 and seed export 16 set up separately in the both sides of rotating shaft 3, and seed export 16 is arranged on rotation and dials the side of assembly 1 direction of advance and dial the lower section of assembly 1 close to rotation. Seed entrance 15, is cooperatively formed by left and right sides baffle plate 11, and section start is dialled in the rotation being arranged on rotation group chamber 14; Seed export 16, is cooperatively formed by left and right sides baffle plate 11, and termination place is dialled in the rotation being arranged on rotation group chamber 14. Section start is dialled in rotation, is arranged on described rotation and dials the non-highest order point in chamber 14, and the rotation seed adjustment period of the day from 11 p.m. to 1 a.m has the moment of resistance; Termination place is dialled in rotation, freely revolves group mode according to unrestriced, and starting point is arranged on seed when starting to fall.
As shown in Figure 6, the corresponding central angle of seed export 16 is ��, and respective radius is R, then �� �� R >=180a; A is critical constant, be based on unrestriced freely revolve dial mode, the theoretical arc length corresponding to seed export 16 when seed has just fallen, make d2 > d1 > seed maximum gauge, so that seed can fall smoothly, the corresponding central angle �� of seed export 16 is sized to 5 ��ܦ� < 90 ��.
Barrier plate 12 rotation that includes preventing being dished out by seed when rotation is dialled is dialled the upper stop part 121 in chamber and prevents from seed from dialling mode with non-rotation entering rotation and dial the lower stop part 122 in chamber 14, the end laminating of the inward flange of upper stop part 121 and lower stop part 132 and plectrum 132 or form the gap less than seed size. Upper stop part 121 is dialled direction along rotation and is arranged on seed entrance 15 between seed export 16, lower stop part 132 along rotation dial direction be arranged on seed export 16 to seed entrance 15 between. Revolve to dial to be provided with in chamber 14 and prevent the anti-nip 17 that seed is dragged on from seed entrance 15 when revolving in group chamber 14 by plectrum 132 and the end generation folder of upper stop part 121 is planted.The original position of anti-nip 17 is seed entrance 15 place, its end position be rotation dial the highest order point in chamber 14 or seed from plectrum 132 start to depart from or completely disengage from time place position. Fit with left and right sides baffle plate 11 respectively or form the gap less than seed size in the two sides of rotation pulling part 13.
Seed entrance 15 is connected to the hopper 2 depositing seed, and hopper 2 forms with the flitch being connected on left and right sides baffle plate 11, is formed for depositing seed the storage cavity 21 connected with seed entrance 15. Seed entrance 15 place is provided with the feeding zone 22 of rotation pulling part 13 one or both sides, and side shield 11 inwall of the flitch inwall and homonymy that are positioned at feeding zone 22 forms difference in height.
Rotation pulling part 13 is provided with and protrudes outside side shield 11 and for connection rotating shaft aixs cylinder portion 133 to both sides, aixs cylinder portion 133 is provided with the trepanning 134 for being socketed rotating shaft, side shield 11 is provided with and makes aixs cylinder portion 133 stretch out to turn hole 113 outside side shield 11, turn the radius minimum rotation radius less than plectrum 132 in hole 113. Aixs cylinder portion 133 is connected to bearing 18, and side shield 11 is provided with the bearing installation room 112 for installing bearing 18. Bearing 18 is ball bearing or plane bearing.
The front of seed entrance 15 is provided with gate 25, controls the quantity of seed entrance seed entrance 15 by moving up and down gate 25.