CN102469767B - Combine - Google Patents

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Publication number
CN102469767B
CN102469767B CN201080032858.6A CN201080032858A CN102469767B CN 102469767 B CN102469767 B CN 102469767B CN 201080032858 A CN201080032858 A CN 201080032858A CN 102469767 B CN102469767 B CN 102469767B
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CN
China
Prior art keywords
mentioned
treating apparatus
threshing
postsearch screening
screening thing
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Expired - Fee Related
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CN201080032858.6A
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Chinese (zh)
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CN102469767A (en
Inventor
上久保宏治
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Yanmar Power Technology Co Ltd
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Yanmar Co Ltd
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Publication of CN102469767A publication Critical patent/CN102469767A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/52—Arrangements for returning unthreshed grain to the threshing device
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/30—Straw separators, i.e. straw walkers, for separating residual grain from the straw
    • A01F12/32—Straw separators, i.e. straw walkers, for separating residual grain from the straw with shaker screens or sieves

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Threshing Machine Elements (AREA)

Abstract

Disclosed is a combine which is arranged to perform sorting while preventing second objects from being hulled or pulverized. Specifically disclosed is a combine comprising grain lifters (57, 159) which transport first objects subjected to threshing and sorting to a grain tank (7), and second returning devices (58, 160) which return the second objects subjected to threshing and sorting to a grain threshing apparatus, wherein a retreating device (59) that retreats the second objects is provided on the transportation end side of the second returning devices (58, 160). The rotating shaft (212) of the returning conveyer (160) in the second returning devices (58, 160) and the rotating shaft (217) of a retreating barrel (161) in the retreating device (59) are extending in parallel.

Description

Combine
Technical field
The present invention relates to the cereal bar of harvesting to carry out threshing and from threshing object, screen, collect the combine of smart.
Background technology
Combine in the past comprises: the body that travels that is equipped with engine; The conduct of supporting the left and right of the above-mentioned body that the travels crawler belt etc. that travels of portion that travels; There is the Drive Section of steering wheel and driver's seat; For gathering in the reaping apparatus that does not extract cereal bar in farmland; For the sheller unit that the cereal bar of harvesting is carried out to threshing, this combine gathers in not extracting cereal bar and carrying out threshing, collection grain of farmland continuously.
In above-mentioned combine in the past, also has such structure: the postsearch screening thing that utilizes second-pumping machine to take out (grain, the disconnected fringe grain (Japanese: fringe is cut れ grain) etc. of band branch stalk) is reclaimed to (returning) to swinging in screening plate via recovery cylinder from swing screening plate.In addition, configure treating apparatus again in the feeding terminal side of recovery cylinder, utilize again treating apparatus to process and make postsearch screening thing turn back in swing screening plate (for example, with reference to patent documentation 1) afterwards postsearch screening thing.
In the structure of above-mentioned patent documentation 1, erect a cylinder of raising that is useful on No. one time below swinging screening plate conveyer taking-up primary screening thing (the essence grain threshing) in the side of sheller unit.In addition, swing the lower rear side of screening plate, be connected with recovery cylinder in the feeding terminal side of second-pumping machine at the rear that is disposed at a conveyer.Recovery cylinder is configured to raise a side of a side of cylinder disposing of sheller unit and extends to front upper place from a rear of raising grain cylinder.Therefore,, in the time of side-looking, raise grain cylinder and recovery cylinder and mutually intersect.Treating apparatus extends along left and right width again, in treating apparatus again, can dispose rotationally and process cylinder again around the axis of left and right length direction.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2007-111057 communique
Summary of the invention
The problem that invention will solve
In addition, in recent years, the requirement of the further miniaturization (densification) to combine is more and more higher, if but as the combine of above-mentioned patent documentation 1, will raise grain cylinder and recovery cylinder is configured to mutually intersect in the time of side-looking, there is problem as following.That is, as previously mentioned, intersected with each other when the side-looking owing to making to raise grain cylinder and recovery cylinder, therefore, need to make interval sky between sheller unit and grain case open with the space of occupying of the left and right width of two and measure accordingly.Therefore, compared with the left and right width dimensions of sheller unit and grain case, have to increase the left and right width dimensions of combine, have the problem that is difficult to the requirement of tackling foregoing densification.
But, in the structure of above-mentioned patent documentation 1, carry out from the conveying of the postsearch screening thing that treating apparatus returns again and the oscillating motion that disperses main utilization to swing screening plate.At the opening direction for the treatment of apparatus again with process aspect the relation of direction of rotation of cylinder, then the rotation of processing cylinder does not almost help postsearch screening thing being distributed to swing on screening plate again.Therefore, from the postsearch screening thing for the treatment of apparatus be more easily partial to again treating apparatus discharge port under.And, utilize threshing object after the threshing cylinder threshing of sheller unit easily deflection drop to the side by the rotation downstream of threshing cylinder than left and right central portion that swings screening plate.Therefore, may cause threshing object and postsearch screening thing easily to be concentrated being deposited in a near side (discharge port under) in the rotation downstream by threshing cylinder that swings screening plate, swing screening plate the Screening Treatment ability of threshing object and postsearch screening thing is reduced, may cause losing for three times, screen bad.
Therefore, technical task of the present invention is to provide the combine that has improved present situation as described above.
For solving the scheme of problem
The invention of technical scheme 1 be have for the primary screening thing after threshing screening is transported to grain case raise a device and for making postsearch screening thing after threshing screening return to the second-time recycling device of sheller unit, having the combine of the treating apparatus again for above-mentioned postsearch screening thing is processed again in the feeding terminal side of above-mentioned second-time recycling device, the rotating shaft of the recovery conveyer in above-mentioned second-time recycling device and the rotating shaft of processing again cylinder in above-mentioned treating apparatus are again parallel shape and extend.
The combine that the invention of technical scheme 2 is recorded take technical scheme 1 is basis, between above-mentioned sheller unit and above-mentioned grain case, it is above-mentioned that to raise a device and above-mentioned second-time recycling device extending longitudinally in tandem with above-mentioned order of raising a device, above-mentioned second-time recycling device, above-mentioned treating apparatus again during with side-looking and the mode of the region overlapping of the threshing chamber of above-mentioned sheller unit raise between a device and above-mentioned second-time recycling device above-mentioned.
The combine that the invention of technical scheme 3 is recorded take technical scheme 1 or 2 is basis, the bottom of above-mentioned treating apparatus is again connected with above-mentioned sheller unit by the postsearch screening thing portion that emits, and the discharge port that makes above-mentioned postsearch screening thing emit portion is opened on and is positioned at than the scaffold of the reception net supporting use of a sidewall of above-mentioned sheller unit position on the front.
The combine that the invention of technical scheme 4 is recorded take technical scheme 1 is basis, the postsearch screening thing portion that emits of downside of the rotating shaft of the bottom of above-mentioned treating apparatus again by being positioned at the threshing cylinder in above-mentioned sheller unit is connected with above-mentioned sheller unit, be linked with above-mentioned treating apparatus again in the above-mentioned postsearch screening thing portion of emitting, for the primary screening thing after threshing screening being transported to the front of raising a device and be configured in posture extending longitudinally above-mentioned second-time recycling device of grain case, the outer shape that above-mentioned postsearch screening thing is emitted portion is formed as the funnel-form expanding to oblique front lower place, with along with forwards and below goes and the mode that approaches a sidewall of sheller unit tilts, the above-mentioned postsearch screening thing portion of emitting be configured in the time of side-looking and a part for the above-mentioned length middle part of raising a device overlapping.
The combine that the invention of technical scheme 5 is recorded take technical scheme 4 is basis, the front that when side-looking, above-mentioned postsearch screening thing is emitted the discharge port of portion is positioned on the transfer dish of above-mentioned sheller unit, and the rear end side of above-mentioned discharge port is positioned on the glume-shell screen of above-mentioned sheller unit.
The combine that the invention of technical scheme 6 is recorded take technical scheme 1 is basis, be formed with at above-mentioned treating apparatus again the bottom handover mouthful that the top being connected with above-mentioned second-time recycling device is transferred mouth and is connected with above-mentioned sheller unit, transfer between mouth and above-mentioned bottom handover mouth and there are multiple reception teeth on the above-mentioned top of the inner face side of above-mentioned treating apparatus again, and there is the processing tooth between above-mentioned each reception tooth at the cylinder of processing again of being located in above-mentioned treating apparatus again, in above-mentioned treating apparatus again, above-mentioned postsearch screening thing is transferred mouth and is moved towards above-mentioned bottom handover mouthful from above-mentioned top.
The combine that the invention of technical scheme 7 is recorded take technical scheme 6 is basis, and above-mentioned each reception tooth is projected into the exterior side of above-mentioned treating apparatus again, forms the strength member of above-mentioned treating apparatus again.
The combine that the invention of technical scheme 8 is recorded take technical scheme 1 is basis, the perisporium that the top that links above-mentioned second-time recycling device and above-mentioned treating apparatus is again transferred mouthful, the part of the flow direction along postsearch screening thing from above-mentioned second-time recycling device to above-mentioned treating apparatus is again along the shape of the common tangent in the interior week across above-mentioned second-time recycling device and above-mentioned treating apparatus again, there is the scraper plate for preventing that postsearch screening thing from reeling to above-mentioned rotating shaft at least top of the above-mentioned above-mentioned rotating shaft of processing again cylinder, the above-mentioned perisporium of transferring towards above-mentioned top mouthful along the above-mentioned postsearch screening thing of input with gap between the part of above-mentioned common tangent and the side end in the radius of above-mentioned scraper plate outside.
The combine that the invention of technical scheme 9 is recorded take technical scheme 8 is basis, and above-mentioned scraper plate extends to lower inner face from the top inner face of above-mentioned treating apparatus again, transfers a mouthful low position multiple processing teeth are installed on the above-mentioned top of ratio of above-mentioned scraper plate.
Invention effect
Adopt the invention of technical scheme 1, be have for the primary screening thing after threshing screening is transported to grain case raise a device and for making postsearch screening thing after threshing screening return to the second-time recycling device of sheller unit, there is the combine of the treating apparatus again for above-mentioned postsearch screening thing is processed again in the feeding terminal side of above-mentioned second-time recycling device, because being parallel shape, the rotating shaft of the recovery conveyer in above-mentioned second-time recycling device and the rotating shaft of processing again cylinder in above-mentioned treating apparatus again extend, therefore, can lengthen the above-mentioned axial length of rotation of processing again cylinder along above-mentioned recovery conveyer.Therefore, the distance of postsearch screening thing movement in above-mentioned treating apparatus again can be guaranteed fully to make in order to process again (threshing again), the above-mentioned processing capacity again of cylinder to postsearch screening thing of processing again can be sought to improve.
Adopt the invention of technical scheme 2, between above-mentioned sheller unit and above-mentioned grain case, an above-mentioned device and the above-mentioned second-time recycling device raised is with an above-mentioned device of raising, the order of above-mentioned second-time recycling device is extending longitudinally in tandem, above-mentioned treating apparatus again during with side-looking and the mode of the region overlapping of the threshing chamber of above-mentioned sheller unit raise between a device and above-mentioned second-time recycling device above-mentioned, therefore, can reduce an above-mentioned device of raising, the left and right width of above-mentioned second-time recycling device and above-mentioned treating apparatus again occupy space, can between above-mentioned sheller unit and above-mentioned grain case, configure compactly an above-mentioned device of raising, above-mentioned second-time recycling device and above-mentioned treating apparatus again.Therefore, do not expand the left and right width of combine, just can expand above-mentioned sheller unit, above-mentioned grain case left and right width occupy space, do not make combine maximization, just can seek to improve threshing ability, grain storage capability.
In addition, as mentioned above, above-mentioned treating apparatus again with when the side-looking and the mode of the region overlapping of the threshing chamber of above-mentioned sheller unit raise between a device and above-mentioned second-time recycling device above-mentioned, therefore the postsearch screening thing that, makes to be processed again after (threshing again) does not at random disperse and successfully returns in the threshing chamber of above-mentioned sheller unit.Therefore, the postsearch screening thing the processed distance that move on screened one side in above-mentioned sheller unit can be guaranteed fully on one side, the Screening Treatment ability of combine can be contributed to improve.
Adopt the invention of technical scheme 3, the bottom of above-mentioned treating apparatus is again connected with above-mentioned sheller unit by the postsearch screening thing portion that emits, the discharge port that makes above-mentioned postsearch screening thing emit portion is opened on the front of the scaffold of the reception net supporting use of a sidewall that is positioned at above-mentioned sheller unit, therefore make the postsearch screening thing of processing at random not disperse and successfully guide, emit to the toe lateral of the above-mentioned discharge port that, can emit portion from above-mentioned postsearch screening thing in above-mentioned sheller unit.Therefore, can suppress the postsearch screening thing processed such as local accumulation above-mentioned postsearch screening thing emit portion near the possibility of grade, can further improve the Screening Treatment ability of combine.
Adopt the invention of technical scheme 4, the postsearch screening thing portion that emits of downside of the rotating shaft of the bottom of above-mentioned treating apparatus again by being positioned at the threshing cylinder in above-mentioned sheller unit is connected with above-mentioned sheller unit, be linked with above-mentioned treating apparatus again in the above-mentioned postsearch screening thing portion of emitting, for the primary screening thing after threshing screening being transported to the front of raising a device and be configured in posture extending longitudinally above-mentioned second-time recycling device of grain case, the outer shape that above-mentioned postsearch screening thing is emitted portion is formed as the funnel-form expanding to oblique front lower place, with along with forwards and below goes and the mode that approaches a sidewall of sheller unit tilts, the above-mentioned postsearch screening thing portion of emitting be configured in the time of side-looking and a part for the above-mentioned length middle part of raising a device overlapping, therefore, being processed postsearch screening thing after (threshing again) is difficult for and the collision such as above-mentioned threshing cylinder again, enter in above-mentioned sheller unit from the position lower than the above-mentioned rotating shaft of above-mentioned threshing cylinder.Therefore, can suppress by shelling (Japanese: de-ぷ), the particle of the postsearch screening thing of the processing causing with the collision of above-mentioned threshing cylinder etc. and can carry out Screening Treatment.In addition, be formed as more forwards going width narrower above-mentioned postsearch screening thing in left and right to emit portion, utilize above-mentioned sheller unit and the above-mentioned clearance space of raising between a device forwards to extend.Therefore, have that the postsearch screening thing that makes to process disperses extensively in above-mentioned sheller unit and an effect of emitting.In addition, above-mentioned postsearch screening thing is emitted portion to go the mode that approaches above-mentioned sheller unit to tilt downwards, therefore, can be from the bottom of above-mentioned treating apparatus more successfully falls by the above-mentioned postsearch screening thing portion of emitting the postsearch screening thing that boot process is crossed.
Adopt the invention of technical scheme 5, the front that when side-looking, above-mentioned postsearch screening thing is emitted the discharge port of portion is positioned on the transfer dish of above-mentioned sheller unit, and the rear end side of above-mentioned discharge port is positioned on the glume-shell screen of above-mentioned sheller unit, therefore, above-mentioned postsearch screening thing is emitted the above-mentioned discharge port of portion at the widely opening of a sidewall of above-mentioned sheller unit, and the above-mentioned discharge port of emitting portion from above-mentioned postsearch screening thing guides, emits towards above-mentioned transfer dish the postsearch screening thing of processing expeditiously.Therefore, the postsearch screening thing the processed distance that move on screened one side in above-mentioned sheller unit can be guaranteed fully on one side, the Screening Treatment ability of combine can be improved.
Adopt the invention of technical scheme 6, be formed with at above-mentioned treating apparatus again the bottom handover mouthful that the top being connected with above-mentioned second-time recycling device is transferred mouth and is connected with above-mentioned sheller unit, transfer between mouth and above-mentioned bottom handover mouth and there are multiple reception teeth on the above-mentioned top of the inner face side of above-mentioned treating apparatus again, and there is the processing tooth between above-mentioned each reception tooth at the cylinder of processing again of being located in above-mentioned treating apparatus again, in above-mentioned treating apparatus again, above-mentioned postsearch screening thing is transferred mouth and is moved towards above-mentioned bottom handover mouthful from above-mentioned top, therefore, the postsearch screening thing coming that passed on from above-mentioned second-time recycling device can utilize deadweight to fall in above-mentioned treating apparatus again.Therefore, above-mentioned each processing tooth and above-mentioned each reception tooth have threshing (Japanese: thorn さ り grain), the rubbing of bar piece of thorn grain and separate such function, do not need to have the conveying function of postsearch screening thing.Therefore, can not reduce again (threshing again) ability of processing, just can form simply above-mentioned each processing tooth and above-mentioned each reception tooth.
Adopt the invention of technical scheme 7, above-mentioned each reception tooth is projected into the exterior side of above-mentioned treating apparatus again, forms the strength member of above-mentioned treating apparatus again, and therefore, above-mentioned each reception tooth self also plays the effect with respect to the reinforcement of above-mentioned treating apparatus again.Therefore, can improve the rigidity of above-mentioned treating apparatus again.
Adopt the invention of technical scheme 8, the perisporium that the top that links above-mentioned second-time recycling device and above-mentioned treating apparatus is again transferred mouthful, the part of the flow direction along postsearch screening thing from above-mentioned second-time recycling device to above-mentioned treating apparatus again, be along the shape of the common tangent in the interior week across above-mentioned second-time recycling device and above-mentioned treating apparatus again, there is the scraper plate for preventing that postsearch screening thing from reeling to above-mentioned rotating shaft at least top of the above-mentioned above-mentioned rotating shaft of processing again cylinder, the above-mentioned perisporium of transferring towards above-mentioned top mouthful along the above-mentioned postsearch screening thing of input with gap between the part of above-mentioned common tangent and the side end in the radius of above-mentioned scraper plate outside, therefore, the postsearch screening thing being passed on by above-mentioned recovery conveyer can too much not reduce the carrying capacity of the feeding terminal side of above-mentioned recovery conveyer, and a part for the perisporium of transferring along above-mentioned top mouthful and be shifted into the above-mentioned side for the treatment of apparatus again towards above-mentioned radius outside of processing again cylinder.Therefore, can successfully pass on from above-mentioned second-time recycling device to above-mentioned treating apparatus again postsearch screening thing, can prevent delay when this passes on, can suppress above-mentioned second-time recycling device and above-mentioned obstruction between treating apparatus again.In addition, in the time that postsearch screening thing enters the above-mentioned side for the treatment of apparatus again by the handover mouthful of above-mentioned top, can avoid reliably the rotation of above-mentioned scraper plate to hinder passing on of postsearch screening thing.Therefore, have and postsearch screening thing extremely successfully can be sent into such effect in above-mentioned treating apparatus again.And, due to the existence of above-mentioned scraper plate and the guiding of postsearch screening thing, the relation of incidence, can suppress bar and consider to be worth doing to above-mentioned coiling, the shelling of processing again cylinder top.
Adopt the invention of technical scheme 9, above-mentioned scraper plate extends to lower inner face from the top inner face of above-mentioned treating apparatus again, transfer a mouthful low position on the above-mentioned top of ratio of above-mentioned scraper plate multiple processing teeth are installed, therefore, utilize the existence of above-mentioned scraper plate, can suppress bar bits and process again all coilings of cylinder, shelling to above-mentioned, and can stably support above-mentioned each processing tooth.
Accompanying drawing explanation
Fig. 1 is the left side view of the combine of four Gansu Province harvesting use.
Fig. 2 is the right side view of combine.
Fig. 3 is the vertical view of combine.
Fig. 4 is the front view of combine.
Fig. 5 is the power-transmission system figure of combine.
Fig. 6 is the left side view cutaway drawing of sheller unit.
Fig. 7 is the left side view cutaway drawing of the amplification of sheller unit bottom.
Fig. 8 is that the master of sheller unit looks cutaway view.
Fig. 9 be represent sheller unit and again the amplification master of the relation for the treatment of apparatus look cutaway view.
Figure 10 represents sheller unit and the left side view cutaway drawing of amplification of the relation for the treatment of apparatus again.
Figure 11 is the amplification right side view of sheller unit.
Figure 12 represents sheller unit and the amplification vertical view cutaway drawing of the relation for the treatment of apparatus again.
(a) of Figure 13 is the biopsy cavity marker devices amplification inclinating view that represents the driving structure that swings screening plate, is (b) that the b-b of (a) looks side view cutaway drawing.
Embodiment
Below, the embodiment of based on accompanying drawing explanation, the present invention having been specialized.In addition, in the following description, by the left side of the direction of advance towards the body 1 that travels referred to as left side, by the right side of the direction of advance towards the body 1 that travels referred to as right side.
(1) unitary construction of combine
The unitary construction of combine first, is mainly described with reference to Fig. 1～Fig. 4.As shown in Figure 1 to 4, the combine of embodiment has the body 1 that travels of the crawler belt 2 that travels (portion of the travelling) supporting of the pair of right and left utilized.Reaping apparatus 3 for four ridge harvesting use of harvesting grain bar is installed in the front portion of the body 1 that travels, and this reaping apparatus 3 utilizes single-acting lifting hydraulic cylinder 4 to regulate lifting around harvesting rotating fulcrum axle 4a.Travelling on body 1, be equipped with and there is the sheller unit 5 of carrier chain 6 and for storing the grain case 7 of the grain after threshing with transversely arranged shape.In addition, sheller unit 5 is configured in towards the left side of the direction of advance of the body 1 that travels, and grain case 7 is configured in towards the right side of the direction of advance of the body 1 that travels (with reference to Fig. 3).
From the rear of grain case 7 to top, be equipped with the discharge conveyer 8 for the grain in grain case 7 being discharged to engine body exterior.The front portion of grain case 7 can be rotated to body side centered by the longitudinal conveyor 8a that discharges conveyer 8.In the front of grain case 7, be provided with Drive Section 10 in the front portion, right side of the body 1 that travels.Dispose pedal 10a, the driver's seat 1ob taking for driver, the operating means with steering wheel 10c, various action bars, switch etc. at Drive Section 10.Position below the driver's seat 10b of body 1 that travels is equipped with the engine 20 as power source.Travel in the front and two of engine 20 and between crawler belt 2, dispose for being delivered to two gearbox bodys 19 that travel crawler belt 2 after suitable the power from engine 20 speed change.
As depicted in figs. 1 and 2, dispose the track frame 21 of left and right in the lower face side of the body 1 that travels.On track frame 21, be provided with for by the transmission of power of engine 20 give travel the drive sprocket 22 of crawler belt 2, for maintain the crawler belt 2 that travels tension force jockey pulley 23, for the ground connection side of the crawler belt 2 that travels being held at ground to multiple supporting wheels 24 of state.The front side that utilizes drive sprocket 22 to support the crawler belt 2 that travels, utilizes jockey pulley 23 to support the rear side of the crawler belt 2 that travels, and utilizes supporting wheel 24 to support the ground connection side of the crawler belt 2 that travels.
As shown in FIG. 1 to 3, reaping apparatus 3 be provided with for prop up farmland do not extract cereal bar with four Gansu Province corresponding cereal bar raising apparatus 31, for cut off farmland the root that does not extract cereal bar hairclipper (Japanese: バ リ カ Application) formula cutter device 32, for harvesting grain bar is transported to the cereal bar conveying plant 33 of the leading section (carrying top side) of carrier chain 6 from cereal bar raising apparatus 31.Utilize engine 20 to drive to travel crawler belt 2 in farmland mobile while drive that reaping apparatus 3 gathers in farmland continuously do not extract cereal bar.In this case, that utilizes that cereal bar raising apparatus 31 props up farmland does not extract cereal bar, utilizes cutter device 32 to cut off the root that does not extract cereal bar, utilizes cereal bar raising apparatus 31 harvesting grain bar to be transported to the leading section of carrier chain 6.In addition, be equipped with in the front, bottom of cereal bar raising apparatus 31 for to farmland do not extract that cereal bar divides standing grain with the four corresponding grain separating body 38a in ridge.
Sheller unit 5 comprises: threshing cylinder 51 that the threshing of cereal bar is used, for swing screening plate 52 that the threshing object that drops to threshing cylinder 51 belows is screened, for to swing screening plate 52 supply with the fan of winnowing (Japanese: the dustpan Off ア of Tang Application) 53 of screening wind, for the dust discharge that swings screening plate 52 rear portions being discharged to extra-organismal dust discharge fan 61.Below threshing cylinder 51, open the steel wire (Japanese: Network リ Application プ Net) 60 being provided with for dividing threshing cylinder 51 and swing screening plate 52.Utilize the root side of the cereal bar that cereal bar conveying plant 33 transports from reaping apparatus 3 be transferred to carrier chain 6 and be held conveying.Then, the fringe point side of cereal bar is moved in the threshing chamber 173 interior (with reference to Fig. 6 and Fig. 7 etc.) of sheller unit 5, utilizes threshing cylinder 51 threshings.In addition, for threshing cylinder rotating shaft 158 (with reference to Fig. 5) that threshing cylinder 51 rotates is extended along the direction of the carrier chain 6 grain transportation bars direct of travel of body 1 (be in other words travel).In addition, threshing cylinder 51 rotarilys actuate to the clockwise direction around threshing cylinder rotating shaft 158 in Fig. 8 and Fig. 9.
As shown in Figures 1 and 2, dispose tier pole chain 62 in the rear end side (feeding terminal side) of carrier chain 6.The tier pole (bar degrain) that is transferred to tier pole chain 62 from the rear end side of carrier chain 6 is discharged to the rear of the body 1 that travels or utilization and is located at the tier pole cutter 63 of the rear side of sheller unit 5 and tier pole is cut to the back lower place that is discharged to again the body 1 that travels after shorter suitable length under longer state.
Be provided with the conveyer 55 and the second-pumping machine 56 that takes out the postsearch screening thing that is mixed with grain, bar bits and a band grain obstructing etc. that take out the grain (primary screening thing) being filtered out by swing screening plate 52 in the lower side that swings screening plate 52.In addition, with the order of conveyer 55, second-pumping machine 56, conveyer 55 and second-pumping machine 56 are set from the direct of travel front of the body 1 that travels, this conveyer 55 and second-pumping machine 56 are seen along being laterally located at above the rear portion of the crawler belt 2 that travels of the upper face side of the body 1 that travels in side.
Swinging screening plate 52 is configured to for the threshing object that drops to threshing cylinder 51 belows being swung to screening (proportion screening).The grain (primary screening thing) falling from swing screening plate 52 is removed the dust this grain and is dropped to conveyer 55 No. one time from the screening wind of the fan 53 of winnowing.A conveyer 55, from sheller unit 5 by outwards outstanding terminal part of the right side wall 180a (with reference to Fig. 8 and Fig. 9) of grain case 7, be connected with extend along the vertical direction raise grain tins 57.The grain taking out from conveyer 55 is raised raises that a conveyer 159 (with reference to Fig. 5) is moved into grain case 7 and the inside that is collected in grain case 7 in grain cylinder 57.Raise grain cylinder 57 and raise a conveyer 159 device of raising that is configured for the primary screening thing after threshing screening to be transported to grain case 7.
Swinging screening plate 52 is configured to and screen (proportion screening) by swings and make to be with a postsearch screening thing such as grain obstructing to drop to second-pumping machine 56.Utilize postsearch screening thing that second-pumping machine 56 takes out by the recovery conveyer 160 (with reference to Fig. 5) in recovery cylinder 58 and again treating apparatus 59 turn back to and swing the upper face side of screening plate 52 and screened again.In addition, discharged to farmland from the rear portion of the body 1 that travels from the screening wind of the fan 53 of winnowing and the suction dirt effect of dust discharge fan 61 from the utilization such as bar bits and dust in the threshing object of threshing cylinder 51.Recovery cylinder 58 and reclaim conveyer 160 and be configured for making postsearch screening thing after threshing screening to turn back to the second-time recycling device of sheller unit 5.
(2) power-transmission system of combine
The power-transmission system of combine is described with reference to Fig. 5 below.Branching into the crawler belt 2 that travels (reaping apparatus 3) and sheller unit 5 these both directions from a side of the power of engine 20 is passed.Other power from engine 20 are transmitted towards discharging conveyer 8.Temporarily be delivered to gearbox body 19 via belt wheel-belt transmission system from engine 20 towards branch's power of the crawler belt 2 that travels.In this case, from the suitable speed change such as branch's power utilization gearbox body 19 grade of engine 20, via from gearbox body 19 to the left and right the outstanding driver output axle 151 of foreign side output to left and right drive sprocket 22.Be equipped with independently of each other harvesting PTO axle 152 at gearbox body 19 and driver output axle 151.The ON Action that is delivered to the variable-speed dynamic utilization harvesting clutch 153 of harvesting PTO axle 152 from gearbox body 19 is delivered to each device 31～33 of reaping apparatus 3 by being positioned at the harvesting power shaft 154 of the harvesting rotating fulcrum axle 4a (with reference to Fig. 1) growing crosswise.In this case, the speed drive of each device 31～33 of reaping apparatus 3 to synchronize with the travel speed (speed of a motor vehicle) of the body 1 that travels.
From the branch's power towards sheller unit 5 in the power of engine 20, be delivered to the fan shaft 156 of winnowing for driving the fan 53 of winnowing to rotate by threshing clutch 155.A part that is passed to the power of the fan shaft 156 of winnowing is delivered to threshing cylinder power shaft 157 by belt wheel-belt transmission system, is delivered to threshing cylinder rotating shaft 158 and tier pole chain 62 from threshing cylinder power shaft 157.
In addition, from the fan shaft 156 of winnowing by belt wheel-belt transmission system also to conveyer 55 with raise a conveyer 159, second-pumping machine 56 and reclaim conveyer 160 and process again dust discharge axle 163 and tier pole cutter 63 transferring power of cylinder 161, the swinging axle 162 that swings screening plate 52, dust discharge fan 61.Branch's power via dust discharge axle 163 is delivered to carrier chain 6 by conveying chain rivet 164.
In addition, gather in power shaft 154 from the kinetic force of threshing cylinder power shaft 157 by being delivered to for the inflow clutch 165 that certain revolving force is delivered to reaping apparatus 3.That is, by the power from engine 20 is not directly delivered to reaping apparatus 3 via gearbox body 19, irrelevant with the speed of the speed of a motor vehicle, can force to drive reaping apparatus 3 with certain high speed rotating speed.
Power from engine 20 towards discharge conveyer 8, be delivered to end conveyer 168 in grain case 7 and discharge the longitudinal conveyor 169 in the longitudinal conveyor 8a of conveyer 8 by the conveyer clutch 167 of grain input gear mechanism 166 and power break-make (Japanese: continue disconnected) use, then, be delivered to the discharge conveyer 171 of discharging in the traverse feed auger conveyor of conveyer 8 by passing on screw 170.
(3) the detailed structure of sheller unit
The detailed structure of sheller unit 5 is described with reference to Fig. 6～Fig. 9 below.As previously mentioned, sheller unit 5 comprise threshing cylinder 51, swing screening plate 52, fan 53 and the dust discharge fan 61 of winnowing.At the threshing chamber 173 being provided with above the swing screening plate 52 of sheller unit 5 before and after being marked off by front partition wall 174 and rear partition wall 175.Threshing cylinder 51, between front and back partition wall 174,175, is supported with threshing cylinder rotating shaft 158 at this two partition wall 174,175 with revolvable mode axle.The supply port 176 that is provided with the fringe point side of utilizing carrier chain 6 to move into harvesting grain bar below front partition wall 174, utilizes carrier chain 6 to take out of the tier pole mouth 177 of the fringe point side of harvesting grain bar (tier pole) and be provided with below rear partition wall 175.
The side away from carrier chain 6 (grain case 7 sides) in threshing chamber 173 is provided with the support frame 178 of the roughly Lower Half of surrounding threshing cylinder 51, is provided with steel wire 60 178 of this supporting frames.The front and back length setting of supporting frame 178 must be than the front and back length of threshing chamber 173, before and after the configuration space of partition wall 174,175 short.The supporting frame 178 of embodiment with forward partition wall 174 sides in front portion, rear portion away from the state configuration of rear partition wall 175 sides in threshing chamber 173.Therefore, between supporting frame 178 and rear partition wall 175, be formed with backward and to the open space of under shed, this open space becomes the tier pole mouth 177 at threshing chamber 173 rear portions.
In this case, the fringe point side of the harvesting grain bar that utilizes carrier chain 6 to seize on both sides by the arms to transport, from being positioned at, the supply port 176 of partition wall 174 belows enters threshing chamber 173, sends towards tier pole chain 62 by the tier pole mouth 177 of partition wall 175 belows between threshing cylinder 51 and steel wire 60 and from being positioned at.
The swing screening plate 52 that is positioned at steel wire 60 belows can reciprocatingly be configured in to He Xie back upper place, oblique front lower place the threshing casing 180 of the profile that forms sheller unit 5 by swinging axle 162 and front and back pair of guide rails 181,182.Under the rotary action of the swinging axle 162 producing at the power by from engine 20, swing screening plate 52 and move back and forth to Zhi Xie back upper place, oblique front lower place.
Swing screening plate 52 and there is transfer dish 183 below steel wire 60, at the glume-shell screen 184 at transfer dish 183 rears, grain sieve 185 between glume-shell screen 184 and a conveyer 55, be positioned at the straw shaker 186 at glume-shell screen 184 rears.The upper face side of glume-shell screen 184, tier pole mouth 177 below be provided with tier pole plate 187.The rear portion side of tier pole plate 187 be provided with for by threshing object rearward and to many sieve lines 188 of body center side guiding.
The threshing object that utilizes threshing cylinder 51 threshings and leak down from steel wire 60, drops on the transfer dish 183 of the swing screening plate 52 moving back and forth and is swung screening (proportion screening) on one side, and one side is transported to the glume-shell screen 184 at rear.Threshing object on glume-shell screen 184 self is swung screening by this glume-shell screen 184, and receives the screening wind mobile towards rear from the fan 53 of winnowing.Utilize the interaction of such swing screening and pneumatic jig choosing, threshing object is separated into grain and bar bits.
In addition, the transfer dish 183 of embodiment is from anterior right side tabular that (by the front portion of grain case 7) tilts towards the geosyncline back lower place, left side, rear portion (by the rear portion of carrier chain 6).Utilize this inclined plane, by the threshing object after threshing cylinder 51 threshings on transfer dish 183 towards carrier chain 6 roll (diffusion).
The primary screening thing falling from glume-shell screen 184 and grain sieve 185 utilizes to be removed dust wherein from the screening wind of the fan 53 of winnowing while is collected into the position of a conveyer 55.Fail to fall from straw shaker 186 etc. by the postsearch screening thing of glume-shell screen 184 and grain sieve 185, be collected into the position of the second-pumping machine 56 that is positioned at conveyer 55 rears.In addition, the low weight bar bits on glume-shell screen 184 are sucked by dust discharge fan 61, and the attraction outlet 189 of fanning 61 rears from being formed on this dust discharge is discharged to body.In addition, the heavier bar bits on glume-shell screen 184 are discharged to body via the swing outlet 190 (so-called three mouths) that is swung screening plate 52 rears on straw shaker 186 from being formed on.
(4) the wind path structure of screening wind
Be supplied to the wind path structure of the screening wind of glume-shell screen 184 below, from the fan 53 of winnowing with reference to Fig. 7 explanation.At this, the fan 53 of winnowing of embodiment is configured in Fig. 7 to counterclockwise rotariling actuate.Be formed with main screening wind path the 201, the 1st prescreen wind path 202 and the 2nd prescreen wind path 203 at the blower-casting 200 of the fan 53 of winnowing, this main screening wind path 201 is for supplying with the screening wind of the fan 53 of winnowing to grain sieve 185 and conveyer 55; The 1st prescreen wind path 202 is for supplying with the screening wind of the fan 53 of winnowing to the upper face side of glume-shell screen 184 between the rear end side from transfer dish 183 and the front of glume-shell screen 184; The 2nd prescreen wind path is for from swinging between the grain pan 191 of screening plate 52 bottom sides and the front of glume-shell screen 184 the winnow screening wind of fan 53 of to glume-shell screen 184 below side supply.
Main screening wind path 201 be formed as making from the screening wind of the fan 53 of winnowing from the front downside of grain sieve 185 towards rear upside via the upper face side of prevailing wind direction body 204 mobile.In addition, above-mentioned main screening wind path 201 be formed as making screening wind from the fan 53 of winnowing above a conveyer 231 from front towards rear via side below prevailing wind direction body 204 mobile.That is, utilize the screening wind from the fan 53 of winnowing, screening drops to grain and the dust of a conveyer 55 from grain sieve 185.
The 1st prescreen wind path 202 be formed as making from the screening wind of the fan 53 of winnowing at the upside of glume-shell screen 184 from front towards rear via be located at the prescreen wind direction body 205 that swings screening plate 52 upper face side mobile.That is, drop to the threshing object of transfer dish 183 upper surfaces via steel wire 60 from threshing cylinder 51 in the time dropping to the front of glume-shell screen 184 from the rear end side of transfer dish 183, carried out pneumatic jig choosing from the screening wind of the fan 53 of winnowing.
The 2nd prescreen wind path 203 be formed as making from the screening wind of the fan 53 of winnowing at the upside of grain pan 191 from front towards rear via side below prescreen wind direction body 205 mobile.In other words, so that from the screening wind of the fan 53 of winnowing from the front downside of glume-shell screen 184 towards the rear of glume-shell screen 184 upside mobile mode form the 2nd prescreen wind path 203.That is, utilize the screening wind from the fan 53 of winnowing, screening drops to grain and the dust grain pan 191 and grain sieve 185 from glume-shell screen 184.
In this case, move in the threshing object of upper surface of glume-shell screen 184, be transported to upper layer side near bar bits (light weight thing) screened wind of the lower layer side of the threshing object of the upper surface of glume-shell screen 184, can reduce the bar bits amount falling from glume-shell screen 184.In addition, utilize the proportion screening effect of glume-shell screen 184 and the pneumatic jig choosing from the screening wind of the fan 53 of winnowing, make the grain (weight thing) of the upper layer side of threshing object move to lower layer side, leak down from glume-shell screen 184 as soon as possible.The proportion screening effect of glume-shell screen 184 is promoted from the screening wind of the fan 53 of winnowing, and has improved its Screening Treatment ability (screening precision).
In addition, supply with from main screening wind path the 201, the 1st prescreen wind path 202 and the 2nd prescreen wind path 203 the screening wind from the fan 53 of winnowing of coming, sucked and discharged from attraction outlet 189 or discharged from swinging outlet 190 by above-mentioned dust discharge fan 61.As a result, the bits of the bar in threshing object and dust etc. are discharged to body from the rear portion of threshing casing 180.
(5) second-time recycling device and the more detailed structure for the treatment of apparatus
With reference to Fig. 6 to Figure 12, second-time recycling device and the detailed structure for the treatment of apparatus 59 are again described below.The second-time recycling device being made up of recovery cylinder 58 and recovery conveyer 160 is for making the postsearch screening thing after threshing screening turn back to sheller unit 5.Feeding terminal side at second-time recycling device (recovery cylinder 58) is provided with the treating apparatus again 59 for postsearch screening thing is processed again.Recovery cylinder 58 is supported along the outer surface of a sidewall of threshing casing 180 (in embodiment as right side wall 180a) take some the posture of lengthwise of turning forward.Reclaiming conveyer 160 is configured in recovery cylinder 58 in revolvable mode.Be connected with in the mode of energy transferring power the conveying top side (lower end side) that reclaims conveyer 160 in the outside outstanding feeding terminal portion of the right side wall 180a from threshing casing 180 of second-pumping machine 56.
As shown in Fig. 6～Figure 11, dispose and pass on housing 210 at the outer surface of the right side wall 180a of threshing casing 180.Linking the lower end side of recovery cylinder 58 passing on the upward opening side of housing 210.Recovery cylinder 58 and raise grain cylinder 57 and be configured to front and back parallel shape extending longitudinally side by side between sheller unit 5 and grain case 7.In this case, raise grain cylinder 57, recovery cylinder 58 is arranged with the posture extending parallel to each other by the order of raising grain cylinder 57, recovery cylinder 58 from the direction of advance front of the body 1 that travels.
The right side of two secondary axes 211 of second-pumping machine 56 lower end side distolateral and that reclaim the recovery axle 212 of conveyer 160 is supported on and passes on housing 210 with revolvable mode axle respectively by bearing (omit and illustrate).The right side lower end side distolateral and recovery axle 212 of two secondary axes 211 is connected by bevel gear mechanism 213.The feeding terminal side (upper end side) that reclaims axle 212 is supported on the housing body 231 of the drive shell 230 of the feeding terminal face (upper surface) that covers recovery cylinder 58 with revolvable mode axle.Leak down and be transferred to and reclaim conveyer 160 from second-pumping machine 56 to the postsearch screening thing of second-pumping machine 56 from straw shaker 186.Be transferred to and reclaim the blade 214 of drawing out that the postsearch screening thing utilization of conveyer 160 is located at the feeding terminal side that reclaims axle 212 and process again cylinder 161 from what reclaim that conveyer 160 is transferred to treating apparatus 59 again.In addition, the recovery conveyer 160 of embodiment is configured to counter clockwise direction rotary actuation from Figure 12 to middle wraparound that receive axle 212 at.
The feeding terminal side of recovery cylinder 58 and the right side wall 180a of threshing casing 180 emit portion 215 by treating apparatus 59 and postsearch screening thing again and are connected.Treating apparatus 59 is installed on the feeding terminal side of recovery cylinder 58 again, and is configured in the time raising between grain cylinder 57 and recovery cylinder 58 in side-looking and the region overlapping of the threshing chamber 173 of sheller unit 5.Treating apparatus 59 comprises and forms processing housing 216 again, being configured in rotatably this around longitudinal axis and processing and process cylinder 161 in housing 216 again of its profile again.As shown in Figures 10 and 11, as the processing again axle 217 and be parallel shape as the recovery axle 212 of rotating shaft that reclaims conveyer 160 and extend of rotating shaft of processing again cylinder 161.In addition, embodiment process again cylinder 161 be configured to by the belt wheel-conveyer belt transmission mechanism 233 in drive shell 230 in Figure 12 to rotariling actuate around the counter clockwise direction (with reclaiming the identical direction of rotation of conveyer 160) of processing again axle 217.
Be linked with for emitting portion 215 from the postsearch screening thing of processing again the postsearch screening thing that housing 216 crosses to the interior boot process of sheller unit 5 in the underside of forward of processing again housing 216.As Fig. 9, Figure 10 and Figure 12 in detail as shown in, the right side wall 180a of threshing casing 180 than threshing cylinder rotating shaft 158 on the lower side and while being formed with side-looking than the rear frame of supporting frame 178 218 position on the front up and down relatively the lower surface of threshing cylinder 51 cross over the intercommunicating pore 219 of ground opening.Postsearch screening thing is emitted portion 215 and is connected with the mode of the intercommunicating pore 219 from outer side covers right side wall 180a and the outer surface of right side wall 180a (sides of grain case 7 sides).
The rear portion upside that the postsearch screening thing, being connected with the underside of forward of processing again housing 216 is emitted portion 215 is the inlet port 215a of the postsearch screening thing processed.And, the discharge port 215b that postsearch screening thing is emitted portion 215 by right side wall 180a, be positioned at than threshing cylinder rotating shaft 158 side and the intercommunicating pore 219 than the rear frame of supporting frame 178 218 position on the front on the lower, relative with the rear side of steel wire 60 and the upper face side of transfer dish 183 (toe lateral in sheller unit 5).Therefore,, in the time of side-looking, the front that postsearch screening thing is emitted the discharge port 215b of portion 215 is positioned on transfer dish 183.In addition, in the time of side-looking, the rear end side that postsearch screening thing is emitted the discharge port 215b of portion 215 is positioned on glume-shell screen 184.As shown in Fig. 6～Figure 11 is clear and definite, postsearch screening thing is emitted portion 215 and self is also positioned at than threshing cylinder rotating shaft 158 side and than the rear frame of supporting frame 178 218 position on the front on the lower.
As shown in Fig. 8～Figure 12, the outer shape that postsearch screening thing is emitted portion 215 is formed as the funnel-form expanding to oblique front lower place, with along with forwards and below go the mode approaching with the right side wall 180a of threshing casing 180 to tilt.And postsearch screening thing is emitted portion 215 and is configured in the time of side-looking and the part overlapping (coincidence) of length middle part of raising grain cylinder 57., postsearch screening thing is emitted portion 215 at the right side wall 180a of threshing casing 180 and is raised between the length middle part of grain cylinder 57.
Be transferred to the postsearch screening thing utilization of processing again on cylinder 161 and process again the rotary actuation of cylinder 161 and process again (threshing again), emit portion 215 by postsearch screening thing and emit towards the rear side of steel wire 60 and the upper face side of transfer dish 183 (toe lateral in sheller unit 5).Particularly in embodiment; the outer shape that postsearch screening thing is emitted portion 215 is formed as the funnel-form expanding to oblique front lower place; with along with forwards and below goes and the mode that approaches the right side wall 180a of threshing casing 180 tilts; process again cylinder 161 in Figure 12 to rotariling actuate around the counter clockwise direction of processing again axle 217, thereby the postsearch screening thing of processing emit portion 215 along postsearch screening thing emitted (with reference to Figure 12) by the upper right of the transfer dish 183 from being positioned at threshing casing 180 toe lateral on the left of upward by raising tins 57 inclination inner face.On the other hand, in Fig. 8 and Fig. 9, the threshing object left side of face from transfer dish 183 to the downside threshing of right handed threshing cylinder 51 disperses on right side upward.
; from the direction of dispersing (directions from carrier chain 6 sides towards grain case 7 sides) of the threshing object of threshing cylinder 51 with emit the direction of dispersing (directions from grain case 7 sides towards carrier chain 6 sides) of the postsearch screening thing of portion 215 from postsearch screening thing, near the central portion of the left and right of transfer dish 183, intersect.Therefore, can make threshing object and postsearch screening thing collide near the central portion of the left and right of transfer dish 183, and their are disperseed, thereby can prevent threshing object and postsearch screening thing concentrate be stacked into transfer dish 183 right side (postsearch screening thing emit portion 215 under near).And, can make the threshing object and the postsearch screening thing that move to glume-shell screen 184 from transfer dish 183 swings spread (dispersion) to the left and right width of glume-shell screen 184, can improve screening effeciency.
As shown in Figure 10～Figure 12, what form treating apparatus 59 processes cylinder (case) shape that housing 216 is the upward opening on the right side wall 180a that utilizes the bolt etc. in outside to be attached at threshing casing 180 more again.The upward opening side of processing again housing 216 is carried out relaying drive shell 230 to the rotary power that reclaims conveyer 160 covers.Wait the postsearch screening thing being fixed with from the intercommunicating pore 219 of outer side covers right side wall 180a to emit portion 215 in the underside of forward of processing again housing 216 by welding.The rear portion upside of processing again housing 216 is attached at the open end side of the U-shaped cover 220 that covers the outer circumferential side of drawing out blade 214 that is positioned at the feeding terminal side that reclaims axle 212 by bolt and nut.Wait to be fixed with by welding in the lower end side of U-shaped cover 220 and reclaim the cylinder flange 221 that axle 212 runs through.The downward outstanding ring portion of cylinder flange 221 embeds the feeding terminal side of recovery cylinder 58.Be linked with the housing body 231 of drive shell 230 at the upper end side of U-shaped cover 220 and the upper end side bolt of processing again housing 216.Be supported with the feeding terminal portion of recovery axle 212 with revolvable mode axle at the position of U-shaped cover 220 sides of housing body 231.
As shown in Figure 10 and Figure 12, be positioned at the open end side of U-shaped cover 220 of the feeding terminal side of recovery cylinder 58 and the rear portion upside of processing again housing 216 and be connected.In other words, the open end side of U-shaped cover 220 and the rear portion upside of processing again housing 216 are transferred mouthfuls 222 by top and are connected.Being transferred to the postsearch screening thing that reclaims conveyer 160 transfers mouthfuls 222 via top and processes in housing 216 to be inverted U-shaped turning shape when the side-looking and to be shifted into again.As shown in figure 12, top transfer mouthfuls 222 perisporium 216a, 220a, process again housing 216 and U-shaped cover 220 in grain case 7 sides relative perisporium 216a, 220a (along the part of the flow direction of postsearch screening thing), to dock with linearity in the time overlooking along being conplane mode across the common tangent TL in interior week that processes again housing 216 and U-shaped cover 220.By this structure and process again cylinder 161 in Figure 12 to the combination counterclockwise rotariling actuate, the postsearch screening thing that is transferred to recovery conveyer 58 can exceedingly not reduce the carrying capacity of drawing out blade 214, and is successfully shifted into and processes housing 216 sides again along perisporium 216a, the 220a of top handover mouth 222.
As shown in Fig. 9, Figure 10 and Figure 12, process again housing 216 by the inner face of sheller unit 5 by welding wait be fixed with along with the direction of rotation upstream side from processing again cylinder 161 downstream side go and the guided plate 241 of inclination oliquely downward.In addition, be provided with the shield 242 (with reference to Figure 12) at this position of obstruction at the position by sheller unit 5 of top handover mouth 222 (being the inner face by sheller unit 5 of U-shaped cover 220) in embodiment.The postsearch screening thing that is fed to the upside of processing again housing 216 is being processed around cylinder 161 counter clockwise direction along Figure 12 again around falling, but around do not turn back to the postsearch screening thing of the inner face side by sheller unit 5 of processing again housing 216 top transfer mouthfuls 222 and with guided plate 241 below side contacts and be directed into the downside of processing again housing 216.And even if postsearch screening thing passes through the position of guided plate 241, the existence of the shield 242 of top handover mouth 222 also can cut off postsearch screening thing and return to recovery cylinder 58 (U-shaped cover 222) side.Therefore, the existence of guided plate 241 and shield 242 supplements to strengthen function mutually, temporarily be released to from recovery cylinder 58 (U-shaped cover 222) the postsearch screening thing of processing again housing 216 sides and can not return to recovery cylinder 58 sides, and can fall smoothly and reliably guiding to downside from the upside of processing again housing 216.
As shown in Fig. 6～Figure 12, have and reclaim axle 212 and be longitudinal axle 217 of processing again that parallel shape extends for the cylinder 161 of processing again of postsearch screening thing being processed again to (threshing again).The lower end side of processing again axle 217 is supported on revolvable mode axle the base plate of processing again housing 216.The upper end side of processing again axle 217 is supported on the position of processing again housing 216 sides of the housing body 231 of drive shell 230 with revolvable mode axle.Have at least top of processing again axle 217 for preventing that postsearch screening thing (bar bits etc.) is wound in the scraper plate 224 of processing again axle 217.The scraper plate 224 of embodiment extends to lower inner face from the top inner face of processing again housing 216, embeds and processes axle 217 again in the mode of one rotation.As shown in Figure 12 is clear and definite, the half left and right of the radius when length R of the radial direction of scraper plate 224 (from processing again the length of Zhou217 center to the side end in the radius outside of scraper plate 224) is set as processing overlooking of housing 216 again.
Adopt said structure, transferring mouthfuls 222 by top when processing again housing 216 sides and send into postsearch screening thing, transfer gap guiding, the input postsearch screening thing between perisporium 216a, the 220a of mouth 222 and the side end in the radius of scraper plate 224 outside towards top, the rotation of scraper plate 224 can avoid hindering passing on of postsearch screening thing reliably.Therefore, can extremely successfully postsearch screening thing be transferred to and be processed in housing 216 again.And due to the existence of scraper plate 224 and the guiding of postsearch screening thing, the relation of incidence, reel in cylinder 161 tops (processing again axle 217 tops), shelling to processing again to suppress bar bits.
The scraper plate 224 of processing again on axle 217 comprises: be formed as 1 spiral helicine conveying body 243, passed on many after-treatment teeth 225 of the postsearch screening thing that comes and for making postsearch screening thing transfer mouthful 223 multi-discs of emitting, dispersing (being two at embodiment) and emit blade 226 from emitting with postsearch screening thing the bottom of processing again housing 216 that the inlet port 215a of portion 215 is connected for stirring from reclaiming conveyer 160.Being provided with and carrying body 243 with top handover mouthful 222 positions that stand facing each other mutually at scraper plate 224.Transferring mouthful 222 low positions than top and have many after-treatment teeth 225 with radial configuration at scraper plate 224.Be provided with and receive tooth 227 in the mode between the after-treatment tooth 225 by two 1 group in the inner face side of processing again housing 216., process again cylinder 161 and contain 224,1 of scraper plate and carry body 243, many after-treatment teeth 225, many to receive tooth 227 and two to emit blade 226 processing again the interior conduct of housing 216.
In the embodiment shown in Fig. 9～Figure 11, after-treatment tooth 225 and the group that receives tooth 227 are transferred between mouthfuls 222,223 processing two in housing 216 again.Make two to emit blade 226 and the bottom of processing again housing 216 and transfer mouthfuls 223 relative.In addition, lower-upper length Ld and the two lower-upper length Lc that transfer between mouth 222,223 of the lower-upper length Lu of top handover mouth 222, bottom handover mouth 223 are set as roughly equal size (Lu ≈ Ld ≈ Lc).In addition, respectively receive tooth 227 and be located at integratedly and process again housing 216 to be projected into the mode of the exterior side of processing again housing 216, form the strength member of processing again housing 216.
Utilize the blade 214 of drawing out that reclaims conveyer 160 to make to transfer mouthfuls 222 via top and be transplanted on the postsearch screening thing of processing again in housing 216 and fall to downside from the upside of processing again housing 216, and utilize after-treatment tooth 97 and receive tooth 100 and process again (threshing of thorn grain or bar bits rub solution etc.).The postsearch screening thing utilization that is sent to the processing of the downside of processing again housing 216 is emitted blade 98 and is transferred mouthfuls 223 inclination inner faces of emitting portion 215 towards postsearch screening thing from bottom and emit.
As shown in Fig. 8～Figure 11, in the upper end side of recovery cylinder 58 (U-shaped cover 220) and the upward opening side of processing again housing 216, drive shell 230 is installed.Drive shell 230 is by tabular housing body 231 and can load and unload the case lid 232 that covers this housing body 231 and form.In housing body 231, dispose for by the rotary power that reclaims conveyer 160 to belt wheel-conveyer belt transmission mechanism 233 of processing again cylinder 161 and transmitting.
In embodiment, the protruding end portion that is supported on the feeding terminal side of the recovery axle 212 of housing body 231 at axle is fixed with driving pulley 234.Similarly, the protruding end portion that is supported on the conveying top side of processing again axle 217 of housing body 231 at axle is fixed with driven pulley 235.On above-mentioned two horizontal gears 234,235, volume hangs with endless belt 236.Endless belt 236 utilizes jockey pulley 237 adjustment of tonicity.Utilize the effect of belt wheel-conveyer belt transmission mechanism 233, then process rotary power that cylinder 161 utilization reclaims conveyers 160 in Figure 12 to rotariling actuate around the counter clockwise direction (direction of rotation identical with reclaiming conveyer 160) of processing again axle 217.Case lid 232 from above cover bolt the state of belt wheel-conveyer belt transmission mechanism 233 and be linked to housing body 231.If release bolt and unload case lid 232, belt wheel-conveyer belt transmission mechanism 233 exposes in housing body 231.In addition, being not limited to aforesaid belt wheel-conveyer belt transmission mechanism 233 from reclaiming conveyer 160 to the Poewr transmission mechanism of processing again cylinder 161, can be also sprocket wheel-chain type, gear type.
Adopt said structure, in the case of utilizing reaping apparatus 3 to gather in not extracting cereal bar, utilizing sheller unit 5 to carry out threshing supplying with from reaping apparatus 3 the harvesting grain bar coming of farmland, the threshing object falling from sheller unit 5 is swung screening plate 52 and is screened.The essence grain as primary screening thing after being screened by swing screening plate 52 is collected grain case 7 by a conveyer 55.In addition, the grain as postsearch screening thing after being screened by swing screening plate 52 and the mixture of bar bits drop to second-pumping machine 56, this postsearch screening thing is transferred to from second-pumping machine 56 reclaims conveyer 160, is transported to and processes in housing 216 again from recovery conveyer 160.
Utilization is drawn out blade 214 and is held together to the postsearch screening thing of the inside of processing again housing 216 to utilize after-treatment tooth 225 and reception tooth 227 to process (processing of the separation of the threshing of thorn grain and bar bits etc.) from reclaiming the feeding terminal side (upper end side) of conveyer 160 again, utilization emit blade 226 from postsearch screening thing emit portion 215 be discharged to transfer dish 183 above, utilize swing screening plate 52 again screen.Therefore the grain of, staying in postsearch screening thing is dropping to the rear grain case 7 of being moved into of conveyer 55 No. one time.In addition, the bits of the bar in postsearch screening thing being discharged to body by attraction outlet 189 or swing outlet 190 from dust discharge fan 61 above via glume-shell screen 184.
In addition, second-pumping machine 56, reclaim conveyer 160 and process again cylinder 161 and always rotate linkedly, but rotating speed difference separately.In embodiment, be set as reclaiming conveyer 160 with the rotating speed rotation higher than second-pumping machine 56, then process cylinder 161 with the rotating speed rotation higher than reclaiming conveyer 160.; the conveying capacity of the time per unit of recovery conveyer 160 is more than the conveying capacity of the time per unit of second-pumping machine 56; process again the conveying capacity of time per unit of cylinder 161 more than the conveying capacity of time per unit that reclaims conveyer 160, thereby can prevent reclaiming conveyer 160, process again postsearch screening thing in the conveying way of cylinder 161 and stop up.
(6) driving that swings screening plate is constructed
With reference to (a), (b) of Figure 13, the driving structure that swings screening plate 52 is described below.As shown in Figure 13 (a), below swinging the rear portion of screening plate 52, side is linked with the supporting hub body 251 of pair of right and left downwards with outstanding posture bolt.One distolateral (outside, left and right) of being fixed on the horizontal roll shaft 252 of the hub portion of each supporting hub body 251 in insertion is provided with guide reel 253 in revolvable mode.The each guide reel 253 in left and right is supported on rear rail 182 corresponding thereto in the mode that can roll.Another of each roll shaft 252 distolateral (inner side, left and right) is supported on fore-and-aft direction one distolateral of swing connecting bar 254 in revolvable mode by bearing components (omit and illustrate).At another distolateral length middle part (reciprocal axial region 162y described later) that is supported with swinging axle 162 by bearing components 255 in revolvable mode of the fore-and-aft direction of swing connecting bar 254.
Swinging axle 162, for rotatablely moving of self being converted to the reciprocating motion that swings screening plate 52, is shelved in the left and right of threshing casing 180 sidewall 180a, 180b (being supported to two cantilever beam shapes).The swinging axle 162 of embodiment is made up of the 1st rotary shaft 162x, the 2nd rotary shaft 162z of right side wall 180a that is supported on threshing casing 180 and the reciprocal axial region 162y of link two rotary shafts of the left side wall 180b that is supported on threshing casing 180.As shown in figure 13, the axle center (pivot) of two rotary shaft 162x, 162z is positioned on same axis.The axle center of reciprocal axial region 162y is almost parallel shape with the eccentric state in the axle center (pivot) with respect to two rotary shaft 162x, 162z and extends.In addition, the 1st rotary shaft 162x from threshing casing 180 outwards outstanding protruding end side (fulcrum portion 162x1 described later) be fixed with the driving input belt wheel 256 receiving from the rotary power of the fan shaft 156 of winnowing by driving-belt 257.
Each rotary shaft 162x (162z) forms by the fulcrum portion 162x1 as pivot (162z1) with the hub portion 162x2 (162z2) that this fulcrum portion 162x1 (162z1) is connected with integratedly.Be inserted with the left and right front of reciprocal axial region 162y at each hub portion 162x2 (162z2).The front of the hub portion 162x2 of the 1st rotary shaft 162x and back and forth axial region 162y can be loaded and unloaded and is connected by key 258 and pin 259.Be formed with the slit 260 (groove of the notch) being connected with the hub bore of this hub portion at the hub portion 162z2 of the 2nd rotary shaft 162z.The 2nd rotary shaft 162z and back and forth axial region 162y are inserting the front of reciprocal axial region 162y under the state of hub portion 162z2, by having used the welding of slit 260 can not be connected (representing weld part with w in Figure 13 (a), (b)) with coming off.Therefore, the swinging axle 162 of embodiment is configured to the structure that can be separated into two members by the 1st rotary shaft 162x with the group of reciprocal axial region 162y, the 2nd rotary shaft 162z, has considered the separation easiness of swinging axle 162.In this case, there is the easy advantage of maintenance activity of for example changing for bearing components 255 grades of axle supporting swinging axle 162.
Utilize from the fan shaft 156 of winnowing and make two rotary shaft 162x, 162z with coaxial rotating via the rotary power that drives input belt wheel 256, so back and forth axial region 162y carries out circular motion around the axle center of two rotary shaft 162x, 162z.Back and forth the circular motion of axial region 162y is converted to along the reciprocating motion of the rear rail 182 of two supporting hub bodies 251 by two swing connecting bar 254.As a result, swing screening plate 52 and extremely move back and forth (oscillating motion) towards oblique front lower place towards oblique back upper place.
(7) sum up
Shown in record described above and Fig. 6 and Figure 10～Figure 12 are clear and definite, be so a kind of combine: have and raise a device 57 for what the primary screening thing after threshing screening is transported to grain case 7, 159 and for making postsearch screening thing after threshing screening turn back to the second-time recycling device 58 of sheller unit 5, 160, at above-mentioned second-time recycling device 58, 160 feeding terminal side has the treating apparatus again 59 for above-mentioned postsearch screening thing is processed again, between above-mentioned sheller unit 5 and above-mentioned grain case 7, and the above-mentioned device 57 of raising, 159 and above-mentioned second-time recycling device 58, 160 with the above-mentioned device 57 of raising, 159, above-mentioned second-time recycling device 58, 160 order extending longitudinally in tandem go out, above-mentioned treating apparatus again 59 in the time of side-looking and the region overlapping of the threshing chamber 173 of above-mentioned sheller unit 5 be positioned at the above-mentioned device 57 of raising, 159 and above-mentioned second-time recycling device 58, between 160, therefore, can reduce the above-mentioned device 57 of raising, 159, above-mentioned second-time recycling device 58, 160 and the left and right width of above-mentioned treating apparatus again 59 occupy space, can between above-mentioned sheller unit 5 and above-mentioned grain case 7, configure compactly the above-mentioned device 57 of raising, 159, above-mentioned second-time recycling device 58, 160 and above-mentioned treating apparatus again 59.Therefore, do not expand the left and right width of combine, just can expand above-mentioned sheller unit 5, above-mentioned grain case 7 left and right width occupy space, have and do not make combine maximization and seek to improve threshing ability, the such effect of grain storage capability.
In addition, as mentioned above, above-mentioned treating apparatus again 59 in the time of side-looking and the region overlapping of the threshing chamber 173 of above-mentioned sheller unit 5 raise between a device 57,159 and above-mentioned second-time recycling device 58,160 above-mentioned, therefore the postsearch screening thing of, being processed again after (threshing again) does not at random disperse and successfully turns back in the threshing chamber 173 of above-mentioned sheller unit 5.Therefore, can guarantee fully that the postsearch screening thing processed, in the interior screened and distance that moves of above-mentioned sheller unit 5, has the such effect of Screening Treatment ability that can contribute to improve combine.
Shown in record described above and Fig. 6, Figure 10 and Figure 11 are clear and definite, being positioned at the rotating shaft 212 of recovery conveyer 160 of above-mentioned second-time recycling device 58,160 and the rotating shaft of processing again cylinder 161 217 that is positioned at above-mentioned treating apparatus again 59 is parallel shape and extends, therefore, can lengthen along above-mentioned recovery conveyer 160 length of above-mentioned rotating shaft 217 directions of processing again cylinder 161.Therefore, can fully guarantee to make the distance of postsearch screening thing in the above-mentioned 59 interior movements for the treatment of apparatus again in order to process again (threshing again), have and seek to improve the above-mentioned cylinder 161 of processing again to the such effect of the processing capacity again of postsearch screening thing.
Shown in record described above and Figure 10 and Figure 12 are clear and definite, the bottom of above-mentioned treating apparatus again 59 emits portion 215 by postsearch screening thing and is connected with above-mentioned sheller unit 5, the discharge port 215b that makes above-mentioned postsearch screening thing emit portion 215 is opened on the front that the steel wire 60 of a sidewall that is positioned at above-mentioned sheller unit 5 supports the scaffold 218 of use, therefore, can make above-mentioned discharge port 215b that the postsearch screening thing processed emits portion 215 from the above-mentioned postsearch screening thing toe lateral (swinging the toe lateral of screening plate 52) in above-mentioned sheller unit 5 at random not disperse and successfully guiding, emit.Therefore, the postsearch screening thing that can suppress to process is for example deposited in partly above-mentioned postsearch screening thing and emits near of portion 215 etc., has the such effect of Screening Treatment ability of further raising combine.
Shown in record described above and Fig. 6～Figure 11 are clear and definite, to make postsearch screening thing after threshing screening turn back to the second-time recycling device 58 of sheller unit 5, 160 feeding terminal side has the combine of the treating apparatus again 59 for above-mentioned postsearch screening thing is processed again, the bottom of above-mentioned treating apparatus again 59 emits portion 215 and is connected with above-mentioned sheller unit 5 by being positioned at the postsearch screening thing of downside of rotating shaft 158 of the threshing cylinder 51 in above-mentioned sheller unit 5, the rear portion upside of emitting portion 215 at above-mentioned postsearch screening thing is linked with the bottom of above-mentioned treating apparatus again 59, therefore, the postsearch screening thing of being processed again after (threshing again) is difficult for and above-mentioned threshing cylinder 51, steel wire 60 collisions such as grade, enter in above-mentioned sheller unit 5 from the low position of the above-mentioned rotating shaft 158 of ratio of above-mentioned threshing cylinder 51.There is the such effect of shelling, particle that can suppress due to the postsearch screening thing of the processing causing with the collision of above-mentioned threshing cylinder 51 grades.
As shown in above-mentioned record and Figure 10～Figure 12 are clear and definite, raise a device 57 for what the primary screening thing after threshing screening is transported to grain case 7, 159 are configured in above-mentioned second-time recycling device 58 with posture extending longitudinally, 160 front, the outer shape that above-mentioned postsearch screening thing is emitted portion 215 is formed as the funnel-form expanding to oblique front lower place, with along with forwards and below goes and the mode that approaches a sidewall 180a of sheller unit 5 tilts, above-mentioned postsearch screening thing is emitted portion 215 and is configured in the time of side-looking and the above-mentioned device 57 of raising, a part for 159 length middle part is overlapping, therefore, being formed as more forwards going width narrower postsearch screening thing in left and right to emit portion 215 utilizes sheller unit 5 and raises a device 57, clearance space between 159 forwards extends.Therefore, have and make the postsearch screening thing of processing not emit such effect to the interior diffusion of above-mentioned sheller unit 5.In addition, above-mentioned postsearch screening thing is emitted portion 215 to go the mode that approaches above-mentioned sheller unit 5 to tilt downwards, therefore, also have advantages of from the bottom of above-mentioned treating apparatus again 59 and to emit portion 215 by above-mentioned postsearch screening thing successfully to fall the postsearch screening thing that boot process crosses such.
Record described above is with Fig. 6, shown in Fig. 7 and Figure 10～Figure 12 are clear and definite, the front that above-mentioned postsearch screening thing is emitted the discharge port 215b of portion 215 in the time of side-looking is positioned on the transfer dish 183 of above-mentioned sheller unit 5, and the rear end side of above-mentioned discharge port 215b is positioned on the glume-shell screen 184 of above-mentioned sheller unit 5, therefore, above-mentioned postsearch screening thing is emitted the above-mentioned discharge port 215b of portion 215 at widely opening of a sidewall 180a of above-mentioned sheller unit 5, and the above-mentioned discharge port 215b that emits portion 215 from above-mentioned postsearch screening thing guides expeditiously towards above-mentioned transfer dish 183, emit the postsearch screening thing of processing.Therefore, the distance that the postsearch screening thing that can guarantee fully to process moves on screened one side, the interior one side of above-mentioned sheller unit 5, has the effect of the Screening Treatment ability that can improve combine.
As shown in above-mentioned record and Fig. 9～Figure 11 are clear and definite, for making postsearch screening thing after threshing screening turn back to the second-time recycling device 58 of sheller unit 5, 160 feeding terminal side has the combine of the treating apparatus again 59 for above-mentioned postsearch screening thing is processed again, be formed with and above-mentioned second-time recycling device 58 at above-mentioned treating apparatus again 59, the bottom handover mouth 223 that 160 tops that are connected are transferred mouth 222 and are connected with above-mentioned sheller unit 5, in the inner face side of above-mentioned treating apparatus again 59, above-mentioned top is transferred between mouth 222 and above-mentioned bottom handover mouth 223 has multiple reception teeth 227, and there is the processing tooth 225 between above-mentioned each reception tooth 227 at the cylinder 161 of processing again of being located in above-mentioned treating apparatus again 59, in above-mentioned treating apparatus again 59, above-mentioned postsearch screening thing is transferred mouth 222 and is moved towards above-mentioned bottom handover mouth 223 from above-mentioned top, therefore, by from above-mentioned second-time recycling device 58, the 160 postsearch screening things that pass on utilize deadweight to fall at the interior energy of above-mentioned treating apparatus again 59.Therefore, above-mentioned each processing tooth 225 and above-mentioned each reception tooth 227 only have the threshing of thorn grain, the function of rubbing solution of bar piece, do not need the conveying function of postsearch screening thing.Therefore, have not reduce again and process (threshing again) ability and can form simply above-mentioned each processing tooth 225 and the such effect of above-mentioned each reception tooth 227.
As shown in above-mentioned record and Figure 10 are clear and definite, lower-upper length Ld and the above-mentioned two lower-upper length Lc that transfer between mouth 222,223 that mouth 223 is transferred in the lower-upper length Lu of above-mentioned top handover mouth 222, above-mentioned bottom are set as roughly equal size (Lu ≈ Ld ≈ Lc), therefore, above-mentioned treating apparatus again 59 is by trisection roughly, can maintain (threshing again) ability of processing again of above-mentioned treating apparatus again 59, and above-mentioned each processing tooth 225 and above-mentioned each reception tooth 227 can reduce the possibility of postsearch screening thing at the above-mentioned 59 interior prolonged stays for the treatment of apparatus again.Therefore, can suppress the obstruction in above-mentioned treating apparatus again 59, have and make the postsearch screening thing of processing successfully return to the such effect of above-mentioned sheller unit 5 sides.
As shown in above-mentioned record and Fig. 8～Figure 11 are clear and definite, above-mentioned each reception tooth 227 is projected into the exterior side of above-mentioned treating apparatus again 59, form the strength member of above-mentioned treating apparatus again 59, therefore, above-mentioned each reception tooth 227 self also plays the effect with respect to the reinforcement of above-mentioned treating apparatus again 59.Therefore, there is the such effect of rigidity that can improve above-mentioned treating apparatus again 59 (processing again housing 216).
As shown in above-mentioned record and Figure 10～Figure 12 are clear and definite, to make postsearch screening thing after threshing screening return to the second-time recycling device 58 of sheller unit 5, 160 feeding terminal side has the combine of the treating apparatus again 59 for above-mentioned postsearch screening thing is processed again, be positioned at above-mentioned second-time recycling device 58, the rotating shaft 212 of the recovery conveyer 160 in 160 is parallel shape with the rotating shaft of processing again cylinder 161 217 that is positioned at above-mentioned treating apparatus again 59 and extends, link above-mentioned second-time recycling device 58, 160 and the top of above-mentioned treating apparatus again 59 transfer mouthfuls 222 perisporium, along postsearch screening thing from above-mentioned second-time recycling device 58, the part 216a of 160 flow directions towards above-mentioned treating apparatus again 59, 220a, be along across above-mentioned second-time recycling device 58, 160 and the shape of the common tangent TL in interior week of above-mentioned treating apparatus again 59, therefore, the postsearch screening thing that is transferred to above-mentioned recovery conveyer 160 can not reduce the carrying capacity of the feeding terminal side of above-mentioned recovery conveyer 160 too much, and transfer a part of 216a of mouthfuls 222 perisporium along above-mentioned top, 220a and be shifted into above-mentioned 59 sides for the treatment of apparatus again towards above-mentioned radius outside of processing again cylinder 161.Therefore, can successfully pass on postsearch screening thing from above-mentioned second-time recycling device 58,160 to above-mentioned treating apparatus again 59, there is delay can prevent that this from passing on time, suppress the such effect of obstruction between above-mentioned second-time recycling device 58,160 and above-mentioned treating apparatus again 59.
As shown in above-mentioned record and Figure 10～Figure 12 are clear and definite, have at least top of the above-mentioned above-mentioned rotating shaft 212 of processing again cylinder 161 for preventing that postsearch screening thing is wound in the scraper plate 224 of above-mentioned rotating shaft, transfer the part 216a along above-mentioned common tangent of the above-mentioned perisporium of mouth 222 towards above-mentioned top, gap between the side end in the radius outside of 220a and above-mentioned scraper plate 224, drop into above-mentioned postsearch screening thing, therefore, in the time that postsearch screening thing enters above-mentioned treating apparatus again 59 side by above-mentioned top handover mouth 222, can avoid reliably the rotation of above-mentioned scraper plate 224 to hinder passing on of postsearch screening thing.Therefore, have and postsearch screening thing extremely successfully can be sent into the interior such effect of above-mentioned treating apparatus again 59.And, due to the existence of above-mentioned scraper plate 224 and the guiding of postsearch screening thing, the relation of incidence, also have advantages of that can suppress bar bits reels, shells such to above-mentioned top of processing again cylinder 161.
As shown in above-mentioned record and Fig. 9～Figure 11 are clear and definite, above-mentioned scraper plate 224 extends to lower inner face from the top inner face of above-mentioned treating apparatus again 59, transfer mouthful 222 low positions on the above-mentioned top of ratio of above-mentioned scraper plate 224 multiple processing teeth 225 are installed, therefore, utilize the existence of above-mentioned scraper plate 224, can suppress bar and consider to be worth doing to above-mentioned coiling, the shelling of processing again cylinder 161 entirety, can stably support above-mentioned each processing tooth 225.
(8) other
The present application is not limited to aforesaid embodiment, can be embodied as various embodiments.For example, the present application is not limited to foregoing head feeding type combined harvester, also can be applied to ordinary combine harvester.In addition, the structure of each portion is not limited to illustrated embodiment, can in the scope of purport that does not depart from the present application, carry out various changes.
Symbol description
1 body that travels, 5 sheller units, 51 threshing cylinders, 52 swing screening plate, 53 fans of winnowing, No. 55 conveyers, 56 second-pumping machines, 57 raise grain cylinder, 58 recovery cylinders, 59 treating apparatus again, 60 steel wires, 158 threshing cylinder rotating shafts, 159 raise a conveyer, 160 reclaim conveyer, 161 process cylinder again, 173 threshing chambers, 180 threshing casings, 180a right side wall, 183 transfer dishs, 184 glume-shell screens, 212 reclaim axle, 215 postsearch screening things are emitted portion, 215b discharge port, 216 process housing again, 216a, 220a perisporium, 218 rear frames, mouth is transferred on 222 tops, mouth is transferred in 223 bottoms, 224 scraper plates, 225 after-treatment teeth, 227 receive tooth.

Claims (7)

1. a combine, its have for the primary screening thing after threshing screening is transported to grain case raise a device and for making postsearch screening thing after threshing screening return to the second-time recycling device of sheller unit, there is the treating apparatus again for above-mentioned postsearch screening thing is processed again in the feeding terminal side of above-mentioned second-time recycling device, wherein
The rotating shaft of the recovery conveyer in above-mentioned second-time recycling device and the rotating shaft of processing again cylinder in above-mentioned treating apparatus are again parallel shape and extend,
The bottom of above-mentioned treating apparatus again by be positioned at than the rotating shaft of the threshing cylinder in above-mentioned sheller unit on the lower the postsearch screening thing of the side portion that emits be connected with above-mentioned sheller unit, be linked with above-mentioned treating apparatus again in the above-mentioned postsearch screening thing portion of emitting,
For the primary screening thing after threshing screening being transported to the front of raising a device and be configured in posture extending longitudinally above-mentioned second-time recycling device of grain case, the outer shape that above-mentioned postsearch screening thing is emitted portion is formed as the funnel-form expanding to oblique front lower place, with along with forwards and below goes and the mode that approaches a sidewall of sheller unit tilts, the above-mentioned postsearch screening thing portion of emitting be configured in the time of side-looking and above-mentioned length middle part part of raising a device overlapping
The discharge port that makes above-mentioned postsearch screening thing emit portion is opened on than the scaffold of the reception net supporting use of the sidewall in above-mentioned sheller unit position on the front.
2. combine according to claim 1, wherein,
Between above-mentioned sheller unit and above-mentioned grain case, it is above-mentioned that to raise a device and above-mentioned second-time recycling device extending longitudinally in tandem with above-mentioned order of raising a device, above-mentioned second-time recycling device, above-mentioned treating apparatus again during with side-looking and the mode of the region overlapping of the threshing chamber of above-mentioned sheller unit raise between a device and above-mentioned second-time recycling device above-mentioned.
3. combine according to claim 1, wherein,
The front that when side-looking, above-mentioned postsearch screening thing is emitted the discharge port of portion is positioned on the transfer dish of above-mentioned sheller unit, and the rear end side of above-mentioned discharge port is positioned on the glume-shell screen of above-mentioned sheller unit.
4. combine according to claim 1, wherein,
Be formed with at above-mentioned treating apparatus again the bottom handover mouthful that the top being connected with above-mentioned second-time recycling device is transferred mouth and is connected with above-mentioned sheller unit, transfer between mouth and above-mentioned bottom handover mouth and there are multiple reception teeth on the above-mentioned top of the inner face side of above-mentioned treating apparatus again, and there is the processing tooth between above-mentioned each reception tooth at the cylinder of processing again of being located in above-mentioned treating apparatus again
In above-mentioned treating apparatus again, above-mentioned postsearch screening thing is transferred mouth and is moved towards above-mentioned bottom handover mouthful from above-mentioned top.
5. combine according to claim 4, wherein,
Above-mentioned each reception tooth is projected into the exterior side of above-mentioned treating apparatus again, forms the strength member of above-mentioned treating apparatus again.
6. combine according to claim 1, wherein,
The part of flow direction perisporium, along postsearch screening thing from above-mentioned second-time recycling device to above-mentioned treating apparatus again of mouth is transferred on the top that links above-mentioned second-time recycling device and above-mentioned treating apparatus again, be along the shape of the common tangent in the interior week across above-mentioned second-time recycling device and above-mentioned treating apparatus again
There is the scraper plate for preventing that postsearch screening thing from reeling to above-mentioned rotating shaft at least top of the above-mentioned above-mentioned rotating shaft of processing again cylinder, the above-mentioned perisporium of transferring towards above-mentioned top mouthful along the above-mentioned postsearch screening thing of input with gap between the part of above-mentioned common tangent and the side end in the radius of above-mentioned scraper plate outside.
7. combine according to claim 6, wherein,
Above-mentioned scraper plate extends to lower inner face from the top inner face of above-mentioned treating apparatus again, transfers a mouthful low position multiple processing teeth are installed on the above-mentioned top of ratio of above-mentioned scraper plate.
CN201080032858.6A 2009-07-23 2010-02-08 Combine Expired - Fee Related CN102469767B (en)

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KR102652829B1 (en) * 2017-12-12 2024-04-01 가부시끼 가이샤 구보다 Combine and threshing apparatus
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