CN1070335C

CN1070335C - Combine harvester

Info

Publication number: CN1070335C
Application number: CN95102717.4A
Authority: CN
Inventors: 山本明人; 黑宫伸夫; 楢原阳三郎
Original assignee: Yanmar Agricultural Equipment Co Ltd
Current assignee: Yanmar Co Ltd
Priority date: 1995-03-21
Filing date: 1995-03-21
Publication date: 2001-09-05
Anticipated expiration: 2015-03-21
Also published as: WO1998017094A1; CN1131499A

Abstract

The present invention relates to a combine harvester. A harvesting part at the front side of a body is provided with a lifting part, a cutting knife and a transporting mechanism, wherein the lifting part is used for lifting rice straws which are not cut; the cutting knife is used for cutting the roots of rice straws which are not cut; the transporting mechanism is used for supporting and transporting the harvested rice straws that fall transversely. In addition, a threshing part at the back side of the body is provided with a threshing cylinder and a treating cylinder, wherein the threshing cylinder is used for threshing the rice straws which are supplied by the harvesting part; the front part of the treating cylinder is communicated with a dust conveying opening at the back part of the threshing cylinder. When the combine harvester is used for continuously harvesting rice straws which are not cut and threshing, the conditions of many threshed rice straws, much straw dust and few discharged grains in fields can be achieved.

Description

Combine

The present invention relates to gather in rice or the wheat of planting on the nonirrigated farmland and carry out threshing simultaneously and the combine of collection grain.

The combine that " agricultural mechanics " published in March, 1981 as the chief editor of Chinese Zhenjiang agricultural machinery institute put down in writing, reaping part in the body front side is provided with and will cut the portion that props up that rice straw takes up, make the carrying mechanism of the harvesting rice straw that cutter that the root that do not cut rice straw cuts off and supporting and carrying lay across, be provided with the threshing cylinder of the rice straw threshing that will supply with by above-mentioned reaping part simultaneously, and on the useless straw conveying end of threshing portion rear side, be provided with useless straw carrying implement, and useless straw carrying implement transport end side below also be provided with and can guide the landing plate that useless straw fall, below the running seat, be provided with the threshing cylinder of the rice straw threshing that will supply with by above-mentioned reaping part, drive the engine of reaping part and threshing portion, owing to be not arranged on the member that makes useless straw permutation thereon in the process that useless straw flow down on its landing plate, therefore, when useless straw are slipped on the post-job field, be to be scattered on the field with numerous and disorderly state, therefore, make troubles for the arrangement in harvested field.In addition, in above-mentioned existing combination machine, a primary air defecator of using to gas only is housed owing to drive the engine of the threshing portion of grain header, in order to obtain peace and quiet air, it is high that want the installation site of air cleaner, so just brings the installation constitution complicated problems of air cleaner.

The objective of the invention is to make in order to address the above problem, its objective is provide that a kind of useless straw can be neat be placed on the field behind the harvest operation and the simple combine of installation constitution of the air cleaner of engine.

The present invention can solve the problem that above-mentioned prior art exists.

Owing on the reaping part of body front side, be provided with and do not cut the portion that props up that rice straw takes up, make the carrying mechanism of the harvesting rice straw that cutter that the root that do not cut rice straw cuts off and supporting and carrying lay across, in the threshing portion of body rear side, be provided with simultaneously the threshing cylinder of the rice straw threshing that above-mentioned reaping part is supplied with and make the processing cylinder that send the dirt mouth to be communicated with anterior and the threshing cylinder rear portion, can carry out threshing again to move to the straw bits of handling cylinder from threshing cylinder, the underproof situation of therefore sneaking into grain in the straw bits that threshing portion discharges can not take place, when gathering in a succession of operation of not cutting rice straw and threshing continuously, even can accomplish that the rice straw amount of threshing is many, straw are considered to be worth doing also many and the few situation of grain that discharge in the field.

In addition, owing on the reaping part of body front side, be provided with and do not cut the portion that props up that rice straw takes up, make the carrying mechanism of the harvesting rice straw that cutter that the root that do not cut rice straw cuts off and supporting and carrying lay across, in threshing portion, be provided with simultaneously the threshing cylinder of the rice straw threshing that above-mentioned reaping part is supplied with, the swing separator plate of the threshing object of sorting threshing cylinder, take out a carrying implement of grain, the rehandling machine of the secondary thing that taking-up grain mixes with rice straw and the dust discharge pressure fan that attracts straw to consider to be worth doing, position at the suction inlet that leaves the dust discharge pressure fan, also be provided with the secondary reduction machine that the secondary thing that makes the rehandling machine returns above the separator plate in swing, so that turning back to the secondary thing of swing above the separator plate has only straw to consider to be worth doing after grain and straw bits separate can be inhaled near suction inlet, therefore can prevent that the grain in the secondary thing is discharged to outside the machine, and can accomplish to have only in the secondary thing straw bits to be discharged to outside the machine by the exhausting-dusting machine.

In addition, owing on the reaping part of body front side, be provided with and do not cut the portion that props up that rice straw takes up, make the carrying mechanism of the harvesting rice straw that cutter that the root that do not cut rice straw cuts off and supporting and carrying lay across, be provided with the threshing cylinder of the rice straw threshing that above-mentioned reaping part is supplied with simultaneously and the rice straw that reaping part is supplied be transported to the threshing carrying implement of threshing cylinder, this threshing carrying implement is installed in a side of threshing portion, in threshing portion, be provided with simultaneously the fulcrum shaft that the threshing carrying implement is launched to body foreign side, with this fulcrum shaft is that threshing carrying implement in center can freely rotate to body foreign side and is being mounted, thereby the rotation by fulcrum shaft just can make the engage sides of threshing carrying implement and threshing portion simply or leave, and the operation of the maintenance of inside and cleaning etc. just can easily be carried out when being opened in the side of threshing portion.

In addition, owing on the reaping part of body front side, be provided with and do not cut the portion that props up that rice straw takes up, make the carrying mechanism of the harvesting rice straw that cutter that the root that do not cut rice straw cuts off and supporting and carrying lay across, be provided with the threshing cylinder of the rice straw threshing that above-mentioned reaping part is supplied with simultaneously, and on the useless straw conveying end of threshing portion rear side, be provided with useless straw carrying implement, and useless straw carrying implement transport end side below also be provided with and can guide the landing plate that useless straw fall, therefore the useless straw of discharging from useless straw carrying implement can fall on the ground of body rear side after permutation on the landing plate, make on the field after useless straw can be placed on harvest operation with snugging.Owing to can seal the back of threshing portion with the landing plate, the above-mentioned landing plate of energy dual-purpose is as the shield of threshing portion back simultaneously.

In addition, owing on the reaping part of body front side, be provided with and do not cut the portion that props up that rice straw takes up, make the carrying mechanism of the harvesting rice straw that cutter that the root that do not cut rice straw cuts off and supporting and carrying lay across, be provided with the threshing cylinder of the rice straw threshing that above-mentioned reaping part is supplied with simultaneously, drive the engine of reaping part and threshing portion and be the primary air defecator of this engine to gas, make simultaneously and give the leading portion air cleaner of gas for the primary air defecator and give prominence to above body, even therefore the primary air defecator is installed in lower position and also can gives gas from the high position with the leading portion air cleaner, not only the installation constitution of primary air is simple, and also can come with the air of the few eminence of dust to give gas for engine in the many places of dust.

Below in conjunction with accompanying drawing embodiments of the invention are described in detail.

Fig. 1 is the left surface figure of combine integral body;

Fig. 2 is the right hand view of same thing;

Fig. 3 is the plane of same thing;

The oblique view that Fig. 4 looks from the right front for same thing;

Fig. 5 is the side illustration figure of reaping part;

Fig. 6 is the plane key diagram of same portion;

Fig. 7 is the cross-section side view of shelling portion;

Fig. 8 is the profile view of same portion;

Fig. 9 is the section front elevation of same portion;

Figure 10 is the section back view of same portion;

Figure 11 is for handling the section front elevation of cylinder and dust discharge pressure fan portion;

Figure 12 is the side illustration figure of landing board;

Figure 13 is the plane key diagram of same portion;

Figure 14 is the right flank key diagram of primary air defecator and leading portion air cleaner.

Shown in Fig. 1 to 5, the traveling crawler 1,1 of pair of right and left is housed on walked frame 2, and on walked frame 2, is setting up board 3.Carrying threshing portion 4 on above-mentioned board 3, threshing cylinder 5 and processing cylinder 6 are located in the shelling portion 4.In addition, the front side in above-mentioned threshing portion 4 by the intermediary of lifting fulcrum shaft 7, is provided with reaping part 8, can make reaping part 8 liftings by oil pressure lifting tube 9, is provided with cutter 10 and rice straw carrying mechanism 11 simultaneously on above-mentioned reaping part 8.And on the above-mentioned board 3 that extracts portion 8 right sides, running platform 12 is being set, and on running platform 12, being equipped with running

operation stalk

13,14,15 and running seat 16, the lower inner part at running seat 16 is provided with engine 17 simultaneously.In addition, be provided with grain case 18 and pack operation post 19 at the right side of above-mentioned threshing portion 4, the rear side of running platform 12.So, the operator rides on the running seat 16, drive traveling crawler 1 and reaping part 8 and threshing portion 4 with engine 17, just can simultaneously walk and advance, one side is gathered in the rice straw in nonirrigated farmlands with reaping part 8, the rice straw of harvesting is supplied with 4 threshings of threshing portion, and grain is taken out from above-mentioned grain case 18, above-mentioned these operations all can be carried out continuously.

Shown in Fig. 3 to 6, on being provided with the nonirrigated farmland in the portion that props up 30 of reaping part 8, do not cut rice straw and separately become five branches grass plates 20 of four lines, make rice straw between the careless plate 20 of each minute to erect four prop up frame 21 embrace the root side of rice straw and fringe slightly side four pocket-wheels 22 and grab chain belt 23, make when not cutting rice straw and erecting with above-mentioned cutter 10 cut-out rice roots with the portion of propping up 30, gathering in operation.In addition, the bottom carrying implement 24,25,26,27 that on the rice straw carrying mechanism 11 of reaping part 8, is provided with clamping harvesting rice straw root side and carries, with clamping rice straw fringe side and the top carrying implement carried slightly, can support rice straw and carry, rice straw is supplied to the threshing portion 4 of rear side with the posture of laying across.

Shown in Fig. 7 to 11, on above-mentioned board 3, be provided with the casing 31 of making dun toro shape, front portion in casing 31 is provided with threshing chamber 32, in this threshing chamber 32, be provided with on outer peripheral face, have a plurality of threshings bow teeth 33, rotation and its axis slightly becomes parallel threshing cylinder 5 with direction of travel in the direction of the clock as shown in Figure 9.Below this threshing cylinder 5, be provided with and accept net 34, rearward end at above-mentioned threshing cylinder 5 becomes the rice straw of a remaining grain to reclaim chamber 36 with dividing plate 35 zonings, except this part, all open establishing and accept net 34, and, with the position of above-mentioned dividing plate 35 adjacency on also form a dust-exhausting port 37.

In addition, below above-mentioned threshing chamber 32, form a separation chamber 38, setting swing separator plate 39.This swing separator plate 39 is by above-mentionedly accepting stream paddy plate 40 that the slightly downward place of net 34 is provided with, rearward extending and the bushing 41 that is provided with, send plate 42 and the branch network selection 43 that is provided with in the bottom of above-mentioned bushing 41 constitutes at the rice straw of terminal part setting from above-mentioned dust-exhausting port 37.So because the rotation of eccentric shaft 44, this swing separator plate 39 just can be gone up swing at the axis direction (fore-and-aft direction) of above-mentioned threshing cylinder 5, the straw bits is rearward sent, and grain is fallen downwards.

In addition, below swing separator plate 39, be provided with to minute network selection 43 blow the air vane 45 that sorts wind, accept the grain that falls from minute network selection 43 a groove 46, and the mixture of accepting the grain that falls from bushing 41 and rice straw promptly accept the secondary groove 47 of secondary thing.The grain that enters in the above-mentioned groove 46 is shifted in the above-mentioned grain case 18 by carrying implement 48 of spiral plate shape in the groove 46 and the spiral plate shape carrying implement 49 built-in tubes 50 of winnowing.In addition, the secondary thing that enters in the above-mentioned secondary groove is shifted into above the bushing 41 of above-mentioned swing separator plate 39 by spiral plate shape rehandling machine 51 and spiral plate shape carrying implement 52 built-in secondary reduction machines 53 in the secondary groove 47.

On the left surface of said machine casing 31, be provided with the rice straw from above-mentioned reaping part 8 is transferred threshing carrying implement 54 in the past along the axis direction of threshing cylinder.In addition, being provided with succession on said machine casing 31 rear portions, also rearward discharges by each carrying implement 54,55 from the rice straw that the posture to lay across of reaping part 8 is supplied with the useless straw carrying implement 55 that they are transferred to casing 31 rears from the useless straw that transport terminal of above-mentioned shelling carrying implement 54.

On the other hand, axis is being set on the right side of the above-mentioned threshing cylinder 5 of said machine casing 31 inside slightly parallel with above-mentioned threshing cylinder 5 and extend the processing cylinder 6 that has a plurality of threshings bow teeth simultaneously at outer peripheral face to above-mentioned separation chamber 38 rear portions from the place of the dust-exhausting port 37 of above-mentioned threshing chamber 32.Between these processing cylinder 6 leading sections and above-mentioned dust-exhausting port 37, be provided with the ductor 57 of the threshing straw bits guiding of discharging from dust-exhausting port 37 being handled cylinder.In addition, above-mentioned processing cylinder 6 is with and opens a branch network selection 58 of establishing in the periphery outside of the part in the separation chamber 38 dorsad at it.And this handles cylinder 6 shown in arrow among Fig. 9, rotates on same direction with above-mentioned threshing cylinder 5.

In addition, be provided with the dust exhausting fan 60 of aspiration-type on the Left-Hand Panel 59 of the formation left surface at above-mentioned separation chamber 38 rear portions, the suction inlet of dust discharge pressure fan 60 is dorsad in the separation chamber 38 and adorning.The discharge port 63 that on the right panel 62 of the right flank at above-mentioned separation chamber 38 rear portions, is connecting above-mentioned secondary reduction machine 53 upper ends.Make these discharge port 63 oblique the place aheads and opening, be provided with simultaneously rotating vane in this discharge port 63, the secondary thing of emitting from discharge port 63 is along the direction of threshing chamber, at last with the direction ejection away from the suction inlet 61 of above-mentioned aspiration-type dust discharge pressure fan 60.

Under the situation of above-mentioned formation, adopted as heir by threshing carrying implement 54 by the rice straw that reaping part 8 is supplied with, and the rice straw of being transferred by the threshing carrying implement is by the threshing cylinder threshing, and the promptly useless straw of the rice straw after the threshing are adopted as heir and rearward transferred by useless straw carrying implement in the terminal of transporting of threshing carrying implement 54.

The grain of threshing lands downwards by accepting net 34 in above-mentioned threshing chamber 32, and stream paddy plate 40 by swing separator plate 39 and branch network selection 43 enter in groove 46 again.So the grain of a groove 46 is put in the grain case 18 through above-mentioned each carrying implement 48,49, drops to the pocket 66 of below and fill pocket 66 from the outlet 65 of grain case 18 bottoms again.At this moment a plurality of empty bag 66 usefulness can be accepted rod 67 and tangle and hang down, next pocket 66 moves on to exit 65 and packs operation when 65 pockets 66 of adorning are filled grain in the exit.This operation can be undertaken by the operator who rides on the operation post 19.On the other hand, accept the big threshing objects such as straw bits that net 34 falls and handled cylinders 6 by ductor 57 guiding from above-mentioned from dust-exhausting port 37, handled cylinder 6 threshing once more by this, make from be trapped among grain that the branch network selection 58 of handling cylinder 6 outsides comes out fall the position below bushing 41 above, and make the straw bits fall and send on the plate 42 from handling cylinder 6 rear portions.Because from the sorting wind of air vane 45 and the swing of swinging separator plate 39, heavy threshing object is that grain falls from bushing 41, big straw bits are discharged to outside the machine through sending plate 42 above bushing 41, light straw bits are attracted formula dust discharge pressure fan 60 and suck and discharge, and the sorting of grain and straw bits is come.

The secondary thing that falls from above-mentioned bushing 41 enters in the secondary groove, by the spiral rehandling machine 51 in this secondary groove 47 and 53 reduction of secondary reduction machine be transplanted on bushing 41 above, sort once more.

Therefore, owing on the reaping part 8 of body front side, be provided with and do not cut the portion that props up 30 that rice straw takes up, make the root cutter 10 that cuts off and the carrying mechanism 11 that supports and carry the harvesting rice straw of laying across that do not cut rice straw, in the threshing portion 4 of body rear side, be provided with simultaneously the threshing cylinder 5 of the rice straw threshing that above-mentioned cutting part 8 is supplied with and make the processing cylinders 6 that send dirt mouth 37 to be communicated with anterior and threshing cylinder 5 rear portions, can carry out threshing again to move to the straw bits of handling cylinder 6 from threshing cylinder 5, the underproof situation of therefore sneaking into grain in the straw bits that threshing portion 4 discharges can not take place, when gathering in a succession of operation of not cutting rice straw and threshing continuously, even can accomplish that the many straw bits of the rice straw amount of threshing are also many and the few situation of grain that discharges in the field.

In addition, owing in threshing portion 4, be provided with the swing separator plate 39 of the threshing object of sorting threshing cylinder 4, take out a carrying implement 48 of grain, the rehandling machine 51 of the secondary thing that taking-up grain mixes with rice straw and the dust discharge pressure fan 60 that attracts straw to consider to be worth doing, position at the suction inlet 61 that leaves dust discharge pressure fan 60, also be provided with the secondary reduction machine 53 that the secondary thing that makes rehandling machine 51 returns above the separator plate 39 in swing, so that turning back to secondary thing above the swing separator plate 39 has only straw to consider to be worth doing after grain and straw bits separate can be inhaled near suction inlet 61, therefore can prevent that the grain in the secondary thing is discharged to outside the machine, and can accomplish to have only in the secondary thing straw bits to be discharged to outside the machine by exhausting-dusting machine 60.

Shown in Fig. 8,9 and 11, the front of above-mentioned Left-Hand Panel 59 is extended the left side that is set to threshing chamber 32 always, so that the left side of the left side of threshing chamber 32 and separation chamber 38 all is closed by Left-Hand Panel 59.In addition, be provided with and hang up the barrow 68 that rice straw carrying implement 54 usefulness are set, be fixed on Left-Hand Panel 59 on the barrow 68 with becoming one, make barrow 68 rearward end can be installed on the fulcrum shaft 69 of threshing portion 4 left surfaces with rotating freely, with fulcrum shaft 69 is that the center makes the body foreign side rotation of barrow 68 to threshing portion 4 left sides, just can make rice straw carrying implement 54, Left-Hand Panel 59 leaves the left surface of threshing chamber 32 and separation chamber 38, and make the left surface of threshing chamber 32 and separation chamber 38 open, at this moment just can accept the cleaning of net 34 or the operations such as cleaning of exchange and swing separator plate 39.Like this, the side that this threshing carrying implement 54 is installed in threshing portion 4 owing to be provided with that the rice straw that reaping part is supplied with is transported to the threshing carrying implement 54 of threshing cylinder, in threshing portion 4, be provided with the fulcrum shaft 69 that threshing carrying implement 54 is launched to body foreign side again, be that threshing carrying implement 54 can be taken and states fulcrum shaft 69 and be mounted for middle mind-set body foreign side freely rotates, thereby the rotation by fulcrum shaft 69 just can make the engage sides of threshing carrying implement 54 and threshing portion 4 simply or leave, and operations such as the maintenance of inside and cleaning just can easily be carried out when being opened in the side of threshing portion 4.

Shown in Figure 12 and 13, the rearward end of threshing portion 4 rearward has openning, and the landing plate 70 of dun toro shape is installed in the back of the above-mentioned threshing portion 4 that becomes open side.The front of the landing plate 70 consistent with the top, back of threshing portion 4 is made into prolate shape, and the top of landing plate 70 is made into low inclined plane 72, preceding high back for useless straw 71 can flow down, on the end that becomes useless straw 71 root sides, be provided with anterior same side plate 73 highly with above-mentioned inclined plane 72, the back of landing plate 70 then makes it vertically constitute box-shaped like this, useless straw 71 are fallen along the inclined plane 72 of transporting the below that terminal begins from above-mentioned useless straw carrying implement 55, move to the left with the useless straw 71 of side plate 73 restrictions, and useless straw 71 one sides make 72 landings rearward along the inclined plane of root alignment one side, fall on the ground at threshing portion 4 rears.Like this, owing on the useless straw conveying end of threshing portion 4 rear sides, be provided with useless straw carrying implement 55, and useless straw carrying implement 55 transport end side below also be provided with and can guide the landing plate 70 that useless straw 71 fall, therefore the useless straw 71 of discharging from useless straw carrying implement 55 can fall on the ground of body rear side after permutation on the landing plate 70, make on the field after useless straw 71 can be placed on harvest operation with snugging.

In addition, with hinge 74 right-hand end of above-mentioned landing plate 70 and threshing portion 4 are linked, and on the left-hand end of landing plate 70, make engages axle 75 outstanding, and in threshing portion 4, a hook that can rotate freely 77 is set by a minor axis 76, hook 77 is tacked on engages axle, landing plate 70 is fixed on the back of threshing portion 4, and the back that makes threshing portion 4 is by 70 sealings of landing plate.And when hook 77 no longer hooks engages axle 75, with hinge 74 is fulcrum, landing plate 70 just can rearward rotate, and makes landing plate 70 leave the back of threshing portion 4 and makes the back of threshing portion 4 open, and swing separator plate 39 is come in and gone out and the rear portion of cleaning swing separator plate.Like this, because the back of threshing portion 4 can be opened and closed by landing plate 70 and close freely, can be with the shield board of landing plate 70 double as threshing portions 4 back, by the rotation rearward of landing plate 70, can make the back of threshing portion 4 open significantly, the operation of threshing portion 4 inside is carried out easily.

As shown in figure 14, be provided with running seat frame 78, all covered around the upper face side of the engine 17 that on board 3, carries, and on the front portion of running seat frame, the running seat is installed by running seat frame 78 at the upper face side of above-mentioned engine 17.In addition, inner and upper at the running seat frame 78 high rear portions that form is installed with primary air defecator 79, and with the primary air defecator 79 of top is connected for tracheae 80 with the engine 17 of below, the hard tracheae 81 of giving uprightly is being set on the highest rear portion of above-mentioned running seat frame 78, fixing leading portion air cleaner 82 for the upper end of tracheae 81 at this, the air of the few eminence of dust is taken into by leading portion air cleaner 82, the air of removing behind the bulky grain dust is sent to primary air defecator 79 from leading portion air cleaner 82, and the air of removing granule dust is sent to engine 17 from the primary air defecator.Like this, owing to be provided with engine 17 that drives reaping part 8 and threshing portion 4 and the primary air defecator 82 of giving gas for this engine 17, make simultaneously and give the leading portion air cleaner 80 of gas for primary air defecator 79 and give prominence to above body, even therefore the primary air defecator is installed in lower position and also can gives gas from the high position with leading portion air cleaner 82, not only the installation constitution of primary air defecator 79 is simple, and also can come with the air of the few eminence of dust to give gas for engine 17 in the many places of dust.

Claims

1. combine, reaping part (8) in the body front side is provided with and will cut the portion that props up (30) that rice straw takes up, make cutter (10) and supporting that the root that do not cut rice straw cuts off and the carrying mechanism (11) of carrying the harvesting rice straw of laying across, be provided with the threshing cylinder (5) of the rice straw threshing that will supply with by above-mentioned reaping part (10) simultaneously, and on the useless straw conveying end of threshing portion (4) rear side, be provided with useless straw carrying implement (55), can guide the landing plate (70) that useless straw fall and also be provided with in the below of transporting end side of useless straw carrying implement (55), be provided with the threshing cylinder (5) of the rice straw threshing that will supply with by above-mentioned reaping part (8) in the below at running seat (16), drive the engine (17) of reaping part (8) and threshing portion (4), it is characterized in that, this landing plate (70), low inclined plane, high back before being made into for useless straw can flow down above it, root side at its useless straw is provided with and the same side plate highly in the front portion on above-mentioned inclined plane, be provided with at the rear at running seat (16) to this engine (17) and give the primary air defecator (79) of gas and give the leading portion air cleaner (82) of gas for primary air defecator (79), and this leading portion air cleaner (82) protrudes in the body top.