A kind of batch (-type) implanting mechanism of rice transplanter
Technical field
The present invention relates to a kind of agricultural equipment, especially relate to a kind of rice transplanter.
Background technology
The implanting mechanism of common rice transplanter is as the implanting mechanism of the publication number disclosed a kind of rice transplanter of Chinese patent that is CN2805334, it comprises that chain gear transmission case, symmetry are arranged on revolution case and the transplanting arm of the chain gear transmission case left and right sides, in wherein said revolution case, be provided with planetary gears, transplanting arm is arranged on planet wheel spindle, the position between revolution casing and adpting flange.Along with the development of modern agriculture, the foster planting technology of paddy rice is also in continuous raising.Research shows, in the middle of Rice Cropping, its line space adopts the mode of a wide narrow interval plantation to be conducive to illumination, the ventilation of paddy rice most, alleviates damage by disease and insect, improves output.In order to develop this technology, people also design various rice transplanters, and the Chinese patent that is CN101790917 as publication number discloses a kind of universal joint-driven inclined wide-and-narrow separating-planting mechanism of rice transplanter.At identical transmission case and the transplant arm of sprocket shaft both sides difference mounting structure; Sprocket shaft becomes an inclination angle with sprocket shaft by universal joint output shaft, universal joint output shaft end and planet carrier are affixed, in planet carrier, central gear by bearings on universal joint output shaft, and be fixedly connected with the flange on universal joint end transmission case body by flange, adjustment pad, central gear is connected with planetary gear separately respectively through idler gear, and the planet wheel spindle being fixedly connected with planetary gear is connected respectively transplant arm separately.This invention is moved seedling pin on transplant arm that planetary gear drives in the clinoplain of sprocket shaft relatively, seedling pin is after seedling taking, because the inclination of planet carrier produces the lateral movement with respect to direction of advance, make the rice shoot a little relative seedling taking position of burying move to left or move to right, the wide-and narrow-row that makes rice transplanting position form agriculture requirement under seedling fetching hole is equally spaced prerequisite does not wait line-spacing to distribute.But, sometimes, due to arable land, be more suitable for reaching by width spacing in the rows the effect that improves illumination and ventilation, and such scheme cannot complete.
Summary of the invention
The present invention solves the existing technical problem that cannot realize width spacing in the rows (width that is the rice shoot spacing on the direction of travel of rice transplanter changes) rice transplanting of prior art, provide a kind of and can realize easily the rice transplanting of width spacing in the rows, reach and improve illumination and ventilation, realize the batch (-type) implanting mechanism of the rice transplanter of volume increase.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of batch (-type) implanting mechanism of rice transplanter, comprise some transversely arranged transplanting casees, each transplanting case is respectively equipped with each of left and right revolution case, the two ends of each revolution case are respectively equipped with a transplanting arm, it is characterized in that described implanting mechanism is provided with the primary input axle of a horizontally set, this primary input axle is connected with the power intake of described transplanting case respectively, described primary input axle is connected with a batch (-type) gear, this batch (-type) gear comprises the gear pair of batch (-type) transmission, this gear pair of having a rest formula transmission comprises a driven partial gear and one initiatively partial gear and corresponding driven gear shaft and driving gear shaft, driven partial gear and initiatively partial gear are all only distributed with tooth on a section of circumference of gear, and corresponding engagement mutually, wherein driven partial gear not the circumference of distributed tooth be provided with one section of concave surface arc section, the active partial gear not circumference of distributed tooth is provided with the convex surface arc section suitable with described concave surface arc section.
The active partial gear of batch (-type) gear of the present invention is at rotation process, drive driven partial gear to rotate, in this process, both have the intermeshing rotation of the part of tooth, when last tooth of active partial gear enters into last tooth of driven partial gear and the spacing convave trough between concave surface arc section, concave surface arc section and convex surface arc section are fitted gradually, in laminating process, convex surface arc section drives driven partial gear slowly to rotate, until concave surface arc section and convex surface arc section are fitted completely, then, driven partial gear stops operating, initiatively partial gear is rotated further, convex surface arc section and concave surface arc section relative sliding, the straight moving initiatively tooth of the partial gear other end starts to enter in the spacing convave trough of driven partial gear, drive driven partial gear to move next time.Therefore, the present invention has realized initiatively persistent movement, slave end rapid movement-slowly motion-stop motion, and then the alternation procedure of rapid movement, and alternation procedure is steady, there is no the mechanical shock in principle, has also guaranteed his service life.In the process of the driving force connection of rotating of rice transplanting mechanism, can complete the following process of inserted link mechanism:
If described revolution case rotates the period of motion T that a week is driving mechanism, a period of motion T is divided into again work period T1 and gap periods T2, in work period T1, initiatively partial gear drives driven partial gear motion, two transplanting arms of revolution case complete twice complete seedling taking continuously, rice transplanting process, then enter gap periods T2, now, initiatively the tooth on partial gear and driven partial gear is separated, after concave surface arc section on driven partial gear fits with convex surface arc section gradually, convex surface arc section and concave surface arc section relative sliding.Therefore,, in gap periods, the first low strap of revolution case rotates, rear stop motion.After having realized work period T1 of the every running of revolution case, adjust velocity of rotation one time, in gap periods, first slow down and stop operating afterwards, after gap periods finishes, driving mechanism recovers again rated speed, makes to turn round case speed alternating movement in a period of motion T.
In work period T1, driving mechanism drives revolution case to move with rated speed, and this implanting mechanism completes altogether twice transplanting action within a work period, then enters gap periods, in gap periods, turns round case low speed or stops operating.Because rice transplanter is under normal operation, at the uniform velocity walking, can realize the wide narrow mutant of rice transplanting spacing one apart from transplanting, reaches and improves illumination and ventilation, realizes the object of volume increase.
As preferably, described driven partial gear is than the few tooth of active partial gear, the tooth at edge, two ends that driven partial gear distributes is identical with other between cog with the spacing convave trough between concave surface arc section, and the tooth at edge, two ends that initiatively partial gear distributes and the spacing convave trough between convex surface arc section are wider than other between cog.When last tooth of active partial gear enters into last tooth of driven partial gear and the spacing convave trough between concave surface arc section, because this spacing convave trough is identical with other between cog, so, now both rotation processes are still stable, tooth and the spacing convave trough between convex surface arc section due to the edge of active partial gear is wider than other between cog again, therefore realization stably and convex surface arc section that, now concave surface arc section can not interfered are fitted gradually.
As preferably, the gear pair of described batch (-type) transmission is provided with two groups, wherein two active partial gears are located on described driving gear shaft, two driven partial gears are located on described driven gear shaft, wherein, initiatively between partial gear and described driving gear shaft, be rotationally connected, driving gear shaft is provided with the lockable mechanism that can drive separately one of them active partial gear.Which initiatively partial gear lockable mechanism pins, it is just as workpiece, and other active partial gear is not worked, as long as the gap periods of gear pair of two batch (-type) transmissions is different with the ratio of work period, just can realize the switching between different gears, for the batch (-type) implanting mechanism of rice transplanter, just can realize different width spacing in the rows and change, to adapt to different agriculture requirements.
As preferably, described driving gear shaft is provided with input driven gear, and input driven gear is meshed with corresponding input driving gear, inputs driving gear and is located on power input shaft.In use, input driving gear is subject to the driving of power source, drives input driven gear to rotate, and in the rotation process of input driven gear, drives driving gear shaft motion, realizes the motion of the gear pair of batch (-type) transmission.
As preferably, described lockable mechanism comprises an active slide plate of being located at an axial slide of driving gear shaft, between this active slide plate and chute bottom, be provided with shell fragment, initiatively slide plate is provided with projection, this projection is suitable with an axial slide of being located in the axis hole of partial gear initiatively, one end of described slide plate is connected with a ring, and ring is connected with gear shift fork by bindiny mechanism.User operates gear shift fork, make it drive ring to move, ring drives initiatively slide plate to move, projection on slide plate initiatively is initiatively moved in the axial slide in the axis hole of partial gear at each, in projection moves to the axis hole of which partial gear, this partial gear is mutually locked with driving gear shaft, moved and transmission power by the speed belt of this driving gear shaft.
As preferably, described input driven gear is provided with two, and there is the input driving gear described in two corresponding with it, driving gear shaft is provided with the input lockable mechanism that can drive separately one of them input driven gear, this input is locked mechanism and is comprised an input slide plate of being located at an axial slide of driving gear shaft, between this input slide plate and chute bottom, be provided with shell fragment, input slide plate is provided with projection, this projection is suitable with an axial slide of being located in the axis hole of inputting driven gear, and one end of described slide plate is connected with described ring.Due to rice transplanting feature need, when the output of the gear pair of batch (-type) transmission is when different, the preferred velocity of rotation of different driving gear shafts of needs just, to reach the input and output of whole gear-box than constant.Therefore,, when switching the gear pair of batch (-type) transmission, the technical program is also switched input driven gear and is carried out work at present.
As preferably, described driving gear shaft is provided with one and is rotationally connected with it driving gear, described driven gear shaft is provided with driven gear, between this driving gear and driven gear, intermeshing formation continues the gear pair of transmission, the axis hole of described driving gear be provided with described active slide plate on the suitable axial slide of projection.When being switched to the gear pair that continues transmission, rice transplanter such as carries out at the transplanting operation of spacing in the rows.
As preferably, the angle of revolution between the revolution case on adjacent two described transplanting casees with 90 degree is poor, two revolution case synchronised on same transplanting case.This scheme makes to stagger between the transplanting position of the transplanting arm on two revolution casees on previous transplanting case and the transplanting position of the transplanting arm on two revolution casees on a rear transplanting case, with first, second and the 3rd transplanting case are example, the slotting seedling of transplanting arm of the rear revolution case on first transplanting case seedling slotting with the transplanting arm of the revolution case on second transplanting case is not corresponding, and the seedling slotting with the transplanting arm of revolution case on the 3rd transplanting case is corresponding, therefore this scheme makes actual line-spacing for the rear revolution transplanting arm for case on first transplanting case and the spacing of the transplanting arm of the previous revolution case on the 3rd transplanting case, in the situation of not losing seedling density, be issued to the effect that improves rice shoot line-spacing, further improve its logical light draught capacity.
The beneficial effect bringing of the present invention is, solved the existing technical problem that cannot realize the rice transplanting of width spacing in the rows of prior art, realized and a kind ofly can realize easily the rice transplanting of width spacing in the rows, reached and improve illumination and ventilation, realized the batch (-type) implanting mechanism of the rice transplanter of volume increase.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the implanting mechanism of embodiments of the invention 1;
Accompanying drawing 2 is a kind of structural representations of the implanting mechanism of embodiments of the invention 2;
Accompanying drawing 3 is transplanting effect structural representations of embodiments of the invention 1;
Accompanying drawing 4 is transplanting effect structural representations of embodiments of the invention 2;
Accompanying drawing 5 is a kind of front views of batch (-type) gear of the present invention;
Accompanying drawing 6 is a kind of left views of batch (-type) gear of the present invention;
Accompanying drawing 7 is the cutaway views at the A-A place of accompanying drawing 5;
Accompanying drawing 8 is the cutaway views at the C-C place of accompanying drawing 7;
Accompanying drawing 9 is the cutaway views at the B-B place of accompanying drawing 5.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
As Fig. 1, 5, 6, 7, shown in 8, the present invention is a kind of batch (-type) implanting mechanism of rice transplanter, comprise 4 transversely arranged transplanting casees 2, each transplanting case is respectively equipped with each of left and right revolution case 4, the two ends of each revolution case 4 are respectively equipped with a transplanting arm 3, implanting mechanism is provided with the primary input axle 1 of a horizontally set, this primary input axle 1 is connected with the power intake of described transplanting case respectively, described primary input axle 1 is connected with a batch (-type) gear 5, this batch (-type) gear comprises the gear pair of two groups of batch (-type) transmissions, the gear pair of each formula transmission of having a rest comprises a driven partial gear 5-1 and one initiatively partial gear 5-2 and corresponding driven gear shaft 5-4 and driving gear shaft 5-3, initiatively between partial gear and described driving gear shaft, be rotationally connected, on driving gear shaft, be also provided with a driving gear 5-5 who is rotationally connected with it, driven gear shaft is provided with driven gear 5-6, between this driving gear and driven gear, intermeshing formation continues the gear pair of transmission, driving gear shaft 5-3 is provided with and can drives separately one of them initiatively lockable mechanism of partial gear or described driving gear.This lockable mechanism comprises an active slide plate 5-34 who is located at an axial slide 5-35 of driving gear shaft, between this active slide plate and chute bottom, be provided with shell fragment, initiatively slide plate is provided with projection, this projection is suitable with the axial slide of being located in the axis hole of initiatively partial gear and driving gear, one end of described active slide plate is connected with a ring 5-33, and ring 5-33 is connected with gear shift fork 5-10 by bindiny mechanism.Driven partial gear and initiatively partial gear are all only distributed with tooth on a section of circumference of gear, and corresponding engagement mutually, wherein driven partial gear not the circumference of distributed tooth be provided with one section of concave surface arc section 5-11, initiatively partial gear not the circumference of distributed tooth be provided with the convex surface arc section 5-21 suitable with described concave surface arc section.Driven partial gear is than the few tooth of active partial gear, the tooth at edge, two ends that driven partial gear distributes is identical with other between cog with the spacing convave trough 5-12 between concave surface arc section, and the tooth at edge, two ends that initiatively partial gear distributes and the spacing convave trough 5-22 between convex surface arc section are wider than other between cog.Driving gear shaft is provided with two input driven gear 5-7, each input driven gear 5-7 is meshed with corresponding input driving gear 5-8, input driving gear is located on power input shaft 5-9, driving gear shaft is provided with the input lockable mechanism that can drive separately one of them input driven gear, this input is locked mechanism and is comprised an input slide plate 5-32 who is located at an axial slide 5-31 of driving gear shaft, between this input slide plate 5-32 and chute bottom, be provided with shell fragment, input slide plate is provided with projection, this projection is suitable with the axial slide of being located in the axis hole of inputting driven gear, one end of described slide plate is connected with described ring 5-33.
The present invention in use, the active partial gear of batch (-type) gear is at rotation process, drive driven partial gear to rotate, in this process, both have the intermeshing rotation of the part of tooth, when last tooth of active partial gear enters into last tooth of driven partial gear and the spacing convave trough between concave surface arc section, concave surface arc section and convex surface arc section are fitted gradually, in laminating process, convex surface arc section drives driven partial gear slowly to rotate, until concave surface arc section and convex surface arc section are fitted completely, then, driven partial gear stops operating, initiatively partial gear is rotated further, convex surface arc section and concave surface arc section relative sliding, the straight moving initiatively tooth of the partial gear other end starts to enter in the spacing convave trough of driven partial gear, drive driven partial gear to move next time.Therefore, the present invention has realized initiatively persistent movement, slave end rapid movement-slowly motion-stop motion, and then the alternation procedure of rapid movement, and alternation procedure is steady, there is no the mechanical shock in principle, has also guaranteed his service life.In the process of the driving force connection of rotating of rice transplanting mechanism, can complete the following process of inserted link mechanism:
If described revolution case rotates the period of motion T that a week is driving mechanism, a period of motion T is divided into again work period T1 and gap periods T2, in work period T1, initiatively partial gear drives driven partial gear motion, two transplanting arms of revolution case complete twice complete seedling taking continuously, rice transplanting process, then enter gap periods T2, now, initiatively the tooth on partial gear and driven partial gear is separated, after concave surface arc section on driven partial gear fits with convex surface arc section gradually, convex surface arc section and concave surface arc section relative sliding.Therefore,, in gap periods, the first low strap of revolution case rotates, rear stop motion.After having realized work period T1 of the every running of revolution case, adjust velocity of rotation one time, in gap periods, first slow down and stop operating afterwards, after gap periods finishes, driving mechanism recovers again rated speed, makes to turn round case speed alternating movement in a period of motion T.
In work period T1, driving mechanism drives revolution case to move with rated speed, and this implanting mechanism completes altogether twice transplanting action within a work period, then enters gap periods, in gap periods, turns round case low speed or stops operating.Because rice transplanter is under normal operation, at the uniform velocity walking, can realize the wide narrow mutant of rice transplanting spacing one as shown in Figure 3 apart from transplanting, reaches and improves illumination and ventilation, realizes the object of volume increase.
Which initiatively partial gear lockable mechanism pins, it is just as workpiece, and other active partial gear is not worked, as long as the gap periods of gear pair of two batch (-type) transmissions is different with the ratio of work period, just can realize the switching between different gears, for the batch (-type) implanting mechanism of rice transplanter, the different width spacing in the rows that just can realize slotting seedling 6 change, to adapt to different agriculture requirements.But, due to rice transplanting feature need, when the output of the gear pair of batch (-type) transmission is when different, the preferred velocity of rotation of different driving gear shafts of needs just, to reach the input and output of whole gear-box than constant.Therefore,, when switching the gear pair of batch (-type) transmission, the technical program is also switched input driven gear and is carried out work at present.
Embodiment 2:
This embodiment is on the basis of embodiment 1, and the angle of revolution between the revolution case on adjacent two described transplanting casees with 90 degree is poor, and two revolution case synchronised on same transplanting case, are staggered into 90 degree angles between the revolution case on adjacent two transplanting casees.Make the transplanting position of the transplanting arm on two revolution casees on previous transplanting case and the transplanting position lateral alternate of the transplanting arm on two revolution casees on a rear transplanting case, with first, second and the 3rd transplanting case are example, as shown in Figure 2, the seedling 6 not corresponding (not on same lateral attitude) that the slotting seedling of transplanting arm of the rear revolution case on first transplanting case is slotting with the transplanting arm of the revolution case on second transplanting case, and the seedling slotting with the transplanting arm of revolution case on the 3rd transplanting case is corresponding, therefore this embodiment makes actual line-spacing for the rear revolution transplanting arm for case on first transplanting case and the spacing of the transplanting arm of the previous revolution case on the 3rd transplanting case, in the situation of not losing seedling density, be issued to the effect that improves rice shoot line-spacing, further improve its logical light draught capacity.