CN102356721A - Combine harvester - Google Patents

Combine harvester Download PDF

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Publication number
CN102356721A
CN102356721A CN2011102763386A CN201110276338A CN102356721A CN 102356721 A CN102356721 A CN 102356721A CN 2011102763386 A CN2011102763386 A CN 2011102763386A CN 201110276338 A CN201110276338 A CN 201110276338A CN 102356721 A CN102356721 A CN 102356721A
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CN
China
Prior art keywords
mentioned
combine
framework
reel
shaft
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Granted
Application number
CN2011102763386A
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Chinese (zh)
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CN102356721B (en
Inventor
濑川卓二
深井宏
南龙一
西辉雄
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Kubota Corp
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Kubota Corp
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Publication date
Priority claimed from JP2005349380A external-priority patent/JP2007151439A/en
Priority claimed from JP2005359221A external-priority patent/JP4241723B2/en
Priority claimed from JP2005361662A external-priority patent/JP4733512B2/en
Priority claimed from JP2006038175A external-priority patent/JP4594875B2/en
Application filed by Kubota Corp filed Critical Kubota Corp
Publication of CN102356721A publication Critical patent/CN102356721A/en
Application granted granted Critical
Publication of CN102356721B publication Critical patent/CN102356721B/en
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Abstract

The invention provides a combine harvester. The combine harvest can simplify drive systems of harvesting devices. And by using the combine harvester, the harvesting devices can be driven reliably without any special maintaining work. A rotation converting mechanism (70) is arranged on a middle shaft (65) to convert a rotation of the middle shaft (65) around a transverse axis to a reciprocate rotation around a longitudinal axis. And a transmission shaft (74) transmitting rotation power of the reciprocate rotation after the conversion extends forward. A front end part of the transmission shaft (74) connects with a harvesting device (12) in linkage.

Description

Combine
The application is that denomination of invention is " combine ", the applying date to be that on September 11st, 2006 and application number are dividing an application of 200610151518.0 application for a patent for invention.
Technical field
The present invention relates to possess the combine of reaping part being connected in the anterior feeder front end of sheller unit, auger conveyor and rake that said reaping part possesses the reaping apparatus of hairclipper type, laterally give usefulness hold together reel.
Background technology
As the reaping part drives structure in the above-mentioned combine, known have a for example disclosed structure of TOHKEMY 2005-211010 communique.Promptly; To be delivered near the cropping knife driving box that is provided in the reaping apparatus transverse side via driving-belt at the power of the jackshaft at reaping part back output from crossbearer; Interlock links cropping knife driving box and reaping apparatus; And, hold together reel with power drive auger conveyor and rake from jackshaft output.
In above-mentioned existing structure, the tape handler that links jackshaft and cropping knife driving box with linking is provided in the lateral outer side of reaping part, so, in the reaping apparatus drive system, need a large amount of parts, cause cost to uprise.In addition, owing to be the frictional drive of carrying out via driving-belt, so, the transmission slip that wearing and tearing or elongation because of driving-belt cause might take place, the cut-out performance of reaping apparatus is reduced, thereby must carry out the maintenance of driving-belt fully.
Summary of the invention
The present invention makes in view of the problem of above-mentioned that kind, and its purpose is to make the drive system of reaping apparatus to simplify, and need not special upkeep operation, just can drive reaping apparatus reliably.
The first characteristic scheme of the present invention is that a kind of combine comprises:
Sheller unit,
Be connected in the front portion of said sheller unit feeder,
Be arranged on the front end of said feeder reaping apparatus,
Be arranged on the front end of said feeder the auger conveyor of laterally giving usefulness,
The rake that is arranged on the front end of said feeder hold together reel,
Crossbearer the feeder driving shaft of the base end part of said feeder,
And crossbearer is at the jackshaft of the front portion of said feeder,
Wherein, power is delivered to said jackshaft from the feeder driving shaft, and then, be delivered to reaping apparatus, auger conveyor and rake from the power branch of this jackshaft and hold together reel, it is characterized in that,
On said jackshaft, be equipped with rotation switching mechanism, said rotation switching mechanism converts the rotation around horizontal axle center of said jackshaft into around fore-and-aft direction reciprocal rotation,
Be provided with the power transmission shaft of the reciprocal rotation of transmitting said rotation switching mechanism, said power transmission shaft extends towards the place ahead, and the leading section of power transmission shaft and reaping apparatus interlock link.
According to such scheme; On the leading section that swing arm is installed in the power transmission shaft that back and forth rotates around the fore-and-aft direction axle center; And the cropping knife interlock of the swing arm of reciprocally swinging and reaping apparatus linked, and can back and forth drive cropping knife with predetermined stroke with the rotation interlock ground of jackshaft.In this case, owing to the transmission system of reaping apparatus transmission, do not have frictional drive portion from jackshaft, so, can not drive reaping apparatus slippingly.
Therefore, compare, can simplify, can realize that the cost of drive mechanism reduces from the transmission system of jackshaft to the reaping apparatus transmission with the situation of band transmission, and, need not special maintenance and can carry out reliable reaping apparatus driving.
The second characteristic scheme of the present invention is that said jackshaft and auger conveyor driving shaft flexible (volume is hung) interlock links, and, divide the power of expenditure to be passed to said rake from said auger conveyor driving shaft and hold together reel.
For example; If make the structure that the transmission of power that goes out from jackshaft branch is held together reel to rake, then will with reaping apparatus drive with, auger conveyor drive with and rake hold together three power branching portions that reel drives usefulness to be provided on the jackshaft from the outstanding mode of the lateral outer side of reaping part.Like this, the outstanding length of the cantilever of jackshaft is elongated, applies big bend loading easily, thereby needs to increase the diameter of axle of jackshaft.On the other hand, according to such scheme, reaping apparatus only is set on jackshaft drives with two power branch points that drive usefulness with auger conveyor and get final product, the cantilever of the jackshaft that need not to extend is especially given prominence to length.Therefore, the bending load that jackshaft is applied diminishes, and the diameter of jackshaft is so long as can carry out the minor diameter of necessary transmission of torque and get final product.
The 3rd characteristic scheme of the present invention is; In the transmission system of holding together the reel transmission to said rake, be provided with tape handler; And, in this tape handler, be provided with the drive pulley of the flexible transmission of carrying out different drive ratios, hang to changing of drive pulley through driving-belt and carry out speed change.
According to such scheme, can constitute the speed changing structure that rake holds together reel at an easy rate.
The 4th characteristic scheme of the present invention is that said rake holds together reel and comprises parts of bearings and support unit;
Said parts of bearings has towards the bearing recess of foreign side's opening radially, is configured in the axle support of the prong installation shaft of reel framework, via the snap fastener positioning support on said reel framework, and, be bolted on the said reel framework through one;
Said support unit is stuck fixing via said snap fastener, so that stop the prong installation shaft that is entrapped in the said bearing recess to break away from.
According to such scheme, when the reel installation shaft being installed to the reel framework, about an axle support respectively use a bolt.For example, harrowing for pentagon under the situation of reel, when being installed to five reel installation shaft on the reel framework, only using ten bolts.Thereby, compare with regard to the prior art of using two bolts with an axle supporting position, only use the bolt and the working hour of one of which half amount to get final product.In addition,, then harrowing for pentagon under the situation of reel, using 20 bolts to get final product altogether if also adopt identical axle support structure with pivotal bearing part between limit rotation arm free end at the auxiliary drum framework.
Therefore, can install and remove the prong installation shaft that one is equipped with the limit rotation arm simply with respect to the reel framework with less bolt working hour, and, can realize reducing of number of components and alleviating of weight.
The 5th characteristic scheme of the present invention is that said auger conveyor comprises: the auger conveyor cylinder, a fixed pivot axis, rotation fulcrum, frame support bracket, eccentric fulcrum and the rake that are installed with cover plate at both ends hold together body; By said a fixed pivot axis and said rotation fulcrum, said auger conveyor cylinder is striden and upright established the pair of right and left side plate that is provided to runout table right ends portion and be rotated ground axle suspension freely; Said a fixed pivot axis links and is fixed on the said side plate, and, connect the center of a said cover plate with the mode that can rotate; The rotation of said rotation fulcrum connects freely and is bearing on another said side plate, and, be fixedly linked on the center of another said cover plate; Said eccentric fulcrum is bearing on the cylinder medial end of said a fixed pivot axis via the frame support bracket binding; Said rake holds together body and connects from periphery and be installed on said auger conveyor cylinder, the base end part pivot suspension on said eccentric fulcrum, and, give prominence to from said auger conveyor cylinder through the rotation of said auger conveyor cylinder and to keep out of the way action; And then, on a said cover plate of said auger conveyor cylinder, offering assembly hole, this assembly hole has the shape that can insert logical said eccentric fulcrum and said frame support bracket.
According to such scheme, at first, runout table and left side plate are fixed on the reaping part framework through modes such as weldings, the skeleton of assembling reaping part on this basis, is striden left side plate assembling auger conveyor.At this moment, the auger conveyor cylinder of having removed a fixed pivot axis and rotation fulcrum is inserted between the left side plate, afterwards, will props up on another cover plate that axle bolt is attached to the auger conveyor cylinder from the rotation that logical another side plate is inserted in the outside.
Be attached on a fixed pivot axis the end of eccentric fulcrum is cantilever-shaped via frame support bracket in advance; Then; The assembly hole that passes the assembly hole that is formed at a side plate and be formed at a cover plate of auger conveyor cylinder is inserted into eccentric fulcrum in the auger conveyor cylinder with frame support bracket together.
Then, with the insertion end and the free end binding that can be installed in the supporting arm on the rotation fulcrum medial end rotationally of eccentric fulcrum, thereby can eccentric fulcrum fixedly be provided in from the assigned position of cylinder axis of rotation off-centre with the two supports state.Then, the medial extremity that the rake that perforation is installed in auger conveyor cylinder periphery holds together body is attached on the eccentric fulcrum rotationally.Eccentric fulcrum is attached at the operation on the frame support bracket and rake is held together the body pivot suspension being attached at the operation on the eccentric fulcrum, is to carry out from opening and closing the assembly hole that is formed on auger conveyor cylinder periphery freely.
Therefore, on through the runout table and left side plate incorporate basis of mode such as welding, can stride axle supporting installation auger conveyor between the left side plate with reaping part.Thereby; With through in the back one-sided side plate being installed and the existing mode that the auger conveyor axle is bearing between left side plate being compared, can reduce assembling man-hour, and; Reduced exist on the side plate installation strength relevant discrete, can make stay in gradeization effectively with the reaping part rigidity.
The 6th characteristic scheme of the present invention is that said reaping apparatus is the reaping apparatus of hairclipper type, but its pair of right and left moving knife is back and forth driven to opposite directions above dead knife;
Said reaping apparatus has housing; But this housing from the said moving knife of pair of right and left extends to another top, end, but covers the top between the end of the said moving knife of pair of right and left.
That is, even but open between the end of moving knife, also can cover the top between this end through housing, straw bits or earth are difficult to enter between this end.Even straw bits or earth are charged into or are flown into the below of housing and carries or be hooked in dead knife or cropping knife supporting mass; But but also can touch the housing contact of extending and moving back and forth with this moving knife from a moving knife, receive the effect of scraping of housing thus and fall easily.
Therefore; According to this first invention; But under situation about opening and closing between the end of moving knife, still can and scrape effect, and easily avoid delay such as straw bits or earth or be deposited between this end by the covering that realizes by housing; Be difficult for the bad or driving malfunction of cut-out by straw is considered to be worth doing or earth causes takes place, can carry out harvest operation efficiently.
Description of drawings
Fig. 1 is the integral left end view of combine.
Fig. 2 is the whole vertical view of combine.
Fig. 3 is the integral right end view of combine.
Fig. 4 is a kinematic scheme.
Fig. 5 is the end view of reaping part.
Fig. 6 is that the expression rake holds together the front view of the part of reel.
Fig. 7 is the vertical profile rearview of rotation switching mechanism.
Fig. 8 is the front view of cropping knife drives structure.
Fig. 9 is the vertical view that rake holds together the reel speed changing structure.
Figure 10 is the end view that rake holds together the reel speed changing structure.
Figure 11 is the end view of reaping part.
Figure 12 is the end view that rake holds together reel.
Figure 13 is the decomposition side view that rake holds together reel.
Figure 14 is that the expression rake holds together the front view of the right end portion of reel.
Figure 15 is that the expression rake holds together the front view of the left end portion of reel.
Figure 16 is the end view that the expression rake holds together the bearing portion of the prong installation shaft in the reel.
Figure 17 is the vertical profile front view that the expression rake holds together the bearing portion of the prong installation shaft in the reel.
Figure 18 is the exploded perspective view that the expression rake holds together the bearing portion of the prong installation shaft in the reel.
Figure 19 is the end view that the expression rake holds together the bearing portion of the limit rotation arm end in the reel.
Figure 20 is the exploded perspective view that the expression rake holds together the bearing portion of the limit rotation arm end in the reel.
Figure 21 is the vertical profile end view of prong installation portion.
Figure 22 is the vertical profile left side view of auger conveyor.
Figure 23 is the cross-sectional vertical view of auger conveyor.
Figure 24 is near the cross-sectional vertical view in right part of expression auger conveyor.
Figure 25 is the cross-sectional vertical view of the left side of expression auger conveyor.
Figure 26 is the end view of the major part of expression left side side plate.
Figure 27 is the end view of the major part of expression right side side plate.
Figure 28 is the exploded view of auger conveyor.
Figure 29 is the vertical view of the hairclipper type reaping apparatus of combine.
Figure 30 is the vertical view at the supporting device configuration position of reaping apparatus.
Figure 31 is the cutaway view at the supporting device configuration position of reaping apparatus.
Figure 32 is the vertical view at the cropping knife driving mechanism site of action place of reaping apparatus.
Figure 33 is the front view at the cropping knife driving mechanism site of action place of reaping apparatus.
Figure 34 is the vertical view at the housing configuration position of reaping apparatus.
Figure 35 is the cutaway view at the housing configuration position of reaping apparatus.
Figure 36 is the cutaway view of reaping apparatus.
Embodiment
(summary of combine)
Fig. 1 shows the whole side of ordinary combine harvester of the present invention, and Fig. 2 shows its whole end face.This combine is possessing on the body 2 of advancing of pair of right and left crawler travel device 1, about the sheller unit 3 of axial flow type and the grain recoverer 4 of pack formula be equipped with abreast, and, Drive Section 5 is equipped with in the place ahead of grain recoverer 4.Front portion at sheller unit 3; Mode to swing up and down around fulcrum P freely links the feeder 6 that harvesting straw conveying usefulness is arranged; Front end at this feeder 6 is linking the reaping part 7 with harvesting width roughly suitable with the body transverse width; And, engine 8 below Drive Section 5, laterally is equipped with.
Between the bottom of the front portion of the body 2 of advancing and feeder 6, set up hydraulic cylinder 9, by the expanding-contracting action of this hydraulic cylinder 9, reaping part 7 goes up and down around said fulcrum P swing with feeder 6 integratedly.Be equipped with rake in the front upper of reaping part 7 and hold together reel 10, this is harrowed reel 10 and rearward harrow and hold together the straw that also pull-up is planted.
Reaping part 7 possesses: the pair of right and left that constitutes the longitudinal wall shape is divided the reaping apparatus 12 of standing grain framework 11, hairclipper type, the crop of being gathered in laterally is fed to the bottom runout table 14 each other that divides standing grain framework 11 about middle auger conveyor 13 of harvesting width and connection.Feeder 6 is taken in to hold together conveyer 16 and constitute through tubular conveying box 15 inside that connect in front and back.Should on hold together conveyer 16 and link conveying lever 16b through the left and right sides chain 16a crossbearer of striding vertical coiling and constitute, the straw of laterally giving by auger conveyor 13 along the bottom surface of conveying box 15 by on hold together to carry, and put into the front end of sheller unit 3.
Helical 18 about the periphery of above-mentioned auger conveyor 13 auger conveyor cylinders 17 is provided with; This auger conveyor cylinder 17 is along being driven in rotation from the place ahead towards the certain orientation of below; Helical 18 about this is laterally given the harvesting straw towards the front end inlet of feeder 6; And; Above-mentioned auger conveyor 13 with circumferential four positions of the opposed cylinder outer peripheral portion of said front end inlet on; Be equipped with give prominence to along with cylinder rotation keep out of the way action about each a pair of rake hold together to refer to 19 that the straw that will in relative broad range, gather in is laterally given and collaborates in the middle of the harvesting width along runout table 14, and holds together to refer to that with rake 19 pressures harrow the front end inlet of holding together to supply to feeder 6.
At the periphery of auger conveyor cylinder 17 position of keeping right; The auxiliary rake that moves in the zone of action of laterally giving that is equipped with the helical 18 on the right side in addition holds together to refer to 20; Be poured in the place ahead that is positioned at auger conveyor 13 from the front end inlet of feeder 6 along the portion of laterally leaving on the runout table 14 straw by auxiliary rake hold together to refer to 20 rakes hold together to helical 18 laterally give the zone of action, and be transported to rake by the effect of laterally giving of helical 18 and hold together to refer to 19 the zone of action.
That kind as shown in Figure 5; Said rake holds together reel 10 and is bearing in the front portion that swings up and down pair of right and left supporting arm 21 freely around cardinal extremity fulcrum a via 22 of frame support brackets; Can be through supporting arm 21 being swung up and down by hydraulic pressure 23; Hold together wording depth and change the rake that rake holds together reel 10, and, can be through along supporting arm 21 slidable adjustment frame support brackets 22 and front and back are regulated rake and held together active position.Like Fig. 9, such shown in 10; Frame support bracket 22 is by manual slidable adjustment; And, through connecting pin 26 being inserted in the connect apertures 25 that possesses on a plurality of positions, front and back of leading to the connect apertures 24 that possesses on the frame support bracket 22 and supporting arm 21, and frame support bracket 22 is fixed.
Rake holds together reel 10 to be possessed: via frame support bracket 22 by horizontal stand about supporting arm 21 on reel driving shaft 31, link many rakes that are fixed on the regular pentagon reel framework 32 of this reel driving shaft about 31, are installed on the prong installation shaft 33 with the prong installation shaft 33 between the top, five places of mode horizontal stand that can rotate, side by side and hold together to use prong 34 and rotate supported freely regular pentagon auxiliary drum framework 35 etc. as the center with the eccentric axle center c that the driving axle center b with respect to reel framework 32 rearward departs from left and right sides reel framework 32; The terminal part pivot suspension of the limit rotation arm 33a securing elongated towards the rear is attached at each top of said auxiliary drum framework 35 from the end of each prong installation shaft 33; When reel framework 32 is center rotation (revolution) to drive axle center b; Ground links with it; Auxiliary drum framework 35 is that central synchronous ground servo-actuated is rotated with eccentric axle center c; Thus; Each prong installation shaft 33 with respect to reel framework 32 towards the direction opposite with the reel direction of rotation synchronously rotation rotate; Thereby the prong 34 of each prong installation shaft 33 is kept posture down all the time and is revolved round the sun mobilely, and performance rake holds together effect.
(drive mechanism)
Then, the drive mechanism of subtend each several part transmission describes.
That kind as shown in Figure 4 is assigned to advance system and operating system from the power of engine 8, and band is delivered to main speed-changing mechanism 41 to the power of advance system via the main clutch 40 of band tension type.Main speed-changing mechanism 41 is made up of Hyaulic infinite variable speed mechanism (HST), is imported into transmission case 42 from the just commentaries on classics (advancing) of these main speed-changing mechanism 41 outputs or the variable-speed dynamic of counter-rotating (retreating).The power that is imported into transmission case 42 carries out two grades of speed changes of height through the secondary gear 43 of gear type, afterwards, and the crawler travel device 1 about being branched off into via pair of right and left sidepiece clutch 44.
Sidepiece clutch 44 links with the control sticks that are arranged on Drive Section 5 front portions 45; When control stick 45 is positioned at neutral position, the left and right sides, about sidepiece clutch 44 equal " joint ", thereby straightaway; Through to left or right-hand joystick 45; By the sidepiece clutch 44 " disconnection " of fore side, only one-sided crawler travel device 1 drives, thereby the body 2 of advancing is turned to the direction of operating of control stick 45.Sidepiece brake 46 links with sidepiece clutch 44; When after breaking off sidepiece clutch 44, continuing further to fall control stick 45; Sidepiece brake 46 actions of the side that sidepiece clutch 44 is disconnected; Thereby the crawler travel device 1 to driving has been disconnected applies braking, carries out body through pivot turn (pivot stud) and turns to.Above-mentioned control stick 45 constitutes and can carry out the cross operation all around; And; The not shown control valve of control stick 45 and hydraulic cylinder 9 links, and it is under reach to make that above-mentioned hydraulic cylinder 9 carries out through the operation forward of control stick 45, and reaping part 7 is descended; Hydraulic cylinder 9 extends action through its backward operation, and reaping part 7 is risen.
Divide the power of the operating system of expenditure from engine power, be delivered to via the driving-belt 51 of threshing clutch 50 effects of band tension type sheller unit 3 power shaft, be on the wind axle 52.Be delivered to the power on the wind axle 52; Further be branched off into two systems in the body left side; Part branch power is delivered to a thing that sheller unit 3 possesses via driving-belt 56 and laterally gives a helical axis 53 of usefulness, secondary helical axis 54 that the secondary thing is laterally given usefulness and swing separatory vessel driving shaft 55 etc.; And; Branch's power of another part is delivered to the power shaft 59 that is provided in the anterior bevel gear box 57 of sheller unit 3 via driving-belt 58, and the power by changed direction by bevel gear box 57 drives processing drum 60.
The power shaft 59 of bevel gear box 57 links via driving-belt 63 interlocks that the harvesting clutch 62 of being with tension type is acted on the feeder driving shaft 61 of crossbearer at said feeder 6 cardinal extremities; By the power that is delivered on the feeder driving shaft 61, as following, drive and hold together conveyer 16, auger conveyor 13, reaping apparatus 12 and harrow reel 10.
Crossbearer is supported with jackshaft 65 on the right side, back of reaping part 7; The right part of the left part of this jackshaft 65 and feeder driving shaft 61 links via chain 66 interlocks; And the right part of jackshaft 65 links via chain 68 interlocks with the auger conveyor driving shaft 67 that is projected into reaping part 7 right sides.
Near the right-hand member of jackshaft 65, be equipped with rotation switching mechanism 70, this rotation switching mechanism 70 converts around front and back the rotation around horizontal axle center of jackshaft 65 towards the reciprocal rotation in axle center into.As shown in Figure 7; Rotation switching mechanism 70; Through being installed on the tilt head 71 that links with jackshaft 65 with embedding outside can dallying inclination propeller boss 72 freely around the mode that inclination axle center d rotates; And via york piece 73 power transmission shaft 74 is attached at a pair of fulcrum pin 72a and goes up and constitute, this a pair of fulcrum pin 72a is arranged on the periphery diagonal position of this inclination propeller boss 72.Through the rotation of jackshaft 65 around horizontal axle center, make the positive and negative yaw action of the inclination axle center d of said inclination propeller boss 72, thereby, make via fulcrum pin 72a and york piece 73 and the power transmission shaft that links with 72 interlocks of inclination propeller boss 74 back and forth rotates with predetermined angular.
As shown in Figure 5; Said power transmission shaft 74 divides the lateral surface of standing grain framework 11 to extend to the front lower place along the right side; The swing arm 75 that is attached at power transmission shaft 74 front ends links via relaying connecting rod 75a interlock with said reaping apparatus 12; Through the reciprocal rotation of power transmission shaft 74, the cropping knife 12a of reaping apparatus 12 quilt is back and forth to drive about certain stroke.
Be equipped with the base portion right side that rake holds together the supporting arm 21 of reel 10; Be provided with relay axis 81 with one heart with the cardinal extremity fulcrum a of supporting arm 21; This relay axis 81 links via chain 82 interlocks with auger conveyor driving shaft 67, and relay axis 81 links via driving-belt 83 interlocks with reel driving shaft 31.Like Fig. 9, shown in Figure 10; On relay axis 81, be equipped with the drive pulley 84b of large diameter drive pulley 84a and minor diameter side by side; Relative therewith; On reel driving shaft 31, possess a driven pulley 85 is arranged,, can carry out two grades of speed changes of height the rotary speed of harrowing reel 10 through driving-belt 83 being changed on any that hangs among drive pulley 84a, the 84b.
The be provided with set positions of driven pulley 85 on axis direction becomes suitable with the centre position, the left and right sides of the drive pulley 84a that is equipped with side by side, 84b, no matter selects which drive pulley 84a, 84b, and driving-belt 83 can both be reeled with the state of turning round extension slightly.
A pair of idler roller 87 acts on the slack-side path of driving-belt 83; Said a pair of idler roller 87 is installed in can be on the tensioner arm 86 of fulcrum e balance-type type swing through being swung the application of force; Bending through 87 pairs of driving-belts 83 of these idler rollers is reeled, and can hold together the irrespectively suitable tightening belt of front and back position change of reel 10 with rake.
(rake holds together the detailed structure of reel)
Then, with reference to Figure 11 to Figure 15 the example that rake holds together the detailed structure of reel 10 is described.Rake holds together reel 10 and is not limited to following structure.
Rake holds together reel 10 and comprises: horizontal stand about said frame support bracket 22 on rotation fulcrum 31; Link the regular pentagon reel framework 32 that is fixed on this rotation fulcrum about 31; Rotate five prong installation shaft 33 at five positions, top of horizontal stand reel framework 32 freely in the left and right sides; Be equipped in the many prongs 34 on each prong installation shaft 33 side by side by a determining deviation; With with respect to the reel axle center b of reel framework 32 rearward the eccentric axle center c of offset control distance L be that supported freely regular pentagon auxiliary drum framework 35 etc. is rotated at the center.
That kind shown in figure 13, reel framework 32 are five arm 32b of radial extension and stride the bracing piece 32c that the end of arm 32b sets up each other by discoideus central hub 32a, from this central hub 32a and constitute.Auxiliary drum framework 35 also by discoideus central hub 35a, be five arm 35b of radial extension and stride the bracing piece 35c that the end of arm 35b sets up each other from this central hub 35a and constitute, reel framework 32 is identical shape with auxiliary drum framework 35.
That kind shown in figure 14; Be fixed with discoideus support plate 88 in inboard binding of the body of said frame support bracket 22; And, near the medial surface the periphery of this support plate 88 with respect to being equipped with three guide rollers 89 on the equidistant position of said eccentric axle center c.On the other hand; Punching press is formed with circular port 90 on the central hub 35a of auxiliary drum framework 35; The diameter of said circular port 90 makes this circular port 90 be cut in 89 groups of said guide rollers outward; Through guiding circular port 90 for 89 groups by guide roller, auxiliary drum framework 35 can be that the center is supported rotationally with eccentric axle center c.
From the two ends of each prong installation shaft 33 towards the rear the outstanding integratedly limit rotation arm 91 that is provided with, the free end pivot supporting of this limit rotation arm 91 is attached on each top of auxiliary drum framework 35.R is to the distance of the free end pivot supporting-point s of limit rotation arm 91 and the direction that connects the imaginary line of two fulcrum r, s from the axle center of each prong installation shaft 33; With b is consistent to the distance L of eccentric axle center c and the direction that connects the imaginary line of two axle center b, c from the reel axle center, the free end pivot supporting-point s of the axle center r of reel axle center b, eccentric axle center c, prong installation shaft 33 and limit rotation arm 91 constitutes the fulcrum of parallel four connecting rods.Therefore; When reel framework 32 winding reel axle center b rotated, auxiliary drum framework 35 rotated around eccentric axle center c thereupon, thus; Prong installation shaft 33 winding reel axle center b revolution on one side on one side around the axle center r to rotation synchronously in the other direction, thereby prong installation shaft 33 is kept certain rotation posture all the time.
Figure 16 to Figure 18 shows the structure of a support, and this support rotates the top that is bearing in reel framework 32 freely with prong installation shaft 33.
The arm 32b that constitutes reel framework 32 is made up of the panel beating material; The side 32ba of reel direction of rotation is folded this panel beating material and punching press forms the cross sectional shape of コ font, is formed with the recess 92 that can snap in prong installation shaft 33 at its terminal part towards foreign side's opening radially.In the both sides of this recess 92, separate and can supply interval that prong installation shaft 33 passes through and opposedly be equipped with a pair of sheet 32d that accepts, this a pair of sheet 32d that accepts forms towards inner bending through the terminal part that folds side 23ba with arm 32b each other.
The installed inside terminal at arm 32b has rotation to support the parts of bearings 93 of prong installation shaft 33 freely.This parts of bearings 93 is made up of the hard resin material of excellent in sliding property, forms the opposed general triangular shape that folds between the side 23ba that enters into arm 32b.On the outer face of parts of bearings 93, be formed with bearing recess 94 towards foreign side's opening radially, this bearing recess 94 has width and the degree of depth suitable with the external diameter of prong installation shaft 33, snaps in supporting prong installation shaft 33 therein.On the outer face of parts of bearings 93, be provided with a pair of engaging protrusion 95 so that the mode that is positioned at bearing recess 94 both sides is outstanding, this engaging protrusion 95 connects to be supported on from the inboard and is formed on the connecting hole of respectively accepting on the sheet 32d 96.
Outer face and said accepting at parts of bearings 93 are equipped with tabular support unit 97 between the sheet 32d, this tabular support unit 97 stops up the opening of bearing recess 94, prevent that prong installation shaft 33 breaks away from from bearing recess 94.On this support unit 97; Be formed with the engaging protrusion 95 that supplies parts of bearings 93 and insert logical support holes 98; Be fixed on the arm 32b through parts of bearings 93 is linked, the support unit 97 that is supported on this parts of bearings 93 via engaging protrusion 95 is fixed on the position of regulation.
Bottom side at the bearing recess 94 of parts of bearings 93; Be formed with an installing hole 99 that connects along left and right directions; Be installed on the arm 32b through being screwed into, can parts of bearings 93 be positioned on the assigned position and fix from the inboard bolt 100 of inserting logical this installing hole 99 of body.Periphery in prong installation shaft 33 is provided with the circular protrusion 33a that engages with the left and right sides end face of parts of bearings 93, realizes the left and right directions location of prong installation shaft 33.
The structure of pivot suspension linking part has been shown among Figure 19, Figure 20, and this pivot suspension linking part is bearing in the free end rotation of limit rotation arm 91 top of auxiliary drum framework 35 freely via pivot suspension axle 101.This pivot suspension linking part is identical with the axle support structure that prong installation shaft 33 is rotated on the top that is bearing in reel framework 26 freely.
Promptly; The arm 35b that constitutes auxiliary drum framework 35 also is made up of the panel beating material; The side 35ba of reel direction of rotation is folded this panel beating material and punching press forms the コ shaped sections, is formed with the recess 102 that can snap in pivot suspension axle 101 at its terminal part towards foreign side's opening radially.In the both sides of this recess 102, separate and can supply interval that pivot suspension axle 101 passes through and opposedly be equipped with a pair of sheet 35d that accepts, this is a pair of accepts sheet 35d and bends inwards each other through the terminal part that folds side 26ba with arm 35b and form.
The installed inside terminal at arm 32b has rotation to support the parts of bearings 103 of pivot suspension axle 101 freely.This parts of bearings 103 is made up of the hard resin material of excellent in sliding property, forms the opposed general triangular shape that folds between the side 26ba that enters into arm 35b.On the outer face of parts of bearings 103, be formed with bearing recess 104 towards foreign side's opening radially, this bearing recess 104 has width and the degree of depth suitable with the external diameter of pivot suspension axle 101, snaps in supporting pivot suspension axle 101 therein.On the outer face of parts of bearings 103, be provided with a pair of engaging protrusion 105 so that the mode of the both sides that are positioned at bearing recess 104 is outstanding, this engaging protrusion 105 connects to be supported on from the inboard and is formed on the connecting hole of respectively accepting on the sheet 35d 106.
Outer face and said accepting at parts of bearings 103 are equipped with tabular support unit 107 between the sheet 35d, this tabular support unit 107 stops up the opening of bearing recess 104, prevent that pivot suspension axle 101 breaks away from from bearing recess 104.On this support unit 107; Be formed with the engaging protrusion 105 that supplies parts of bearings 103 and insert logical support holes 108; Be fixed on the arm 35b through parts of bearings 103 is linked, the support unit 107 that is supported on parts of bearings 103 via engaging protrusion 105 is fixed on the position of regulation.
Bottom side at the bearing recess 104 of parts of bearings 103 is formed with an installing hole 109 that connects along left and right directions; Be installed on the arm 35b through being screwed into, can parts of bearings 103 be positioned at assigned position and fix from the inboard bolt 110 of inserting logical this installing hole 109 of body.Periphery at pivot suspension axle 101 is provided with the circular protrusion 101a that engages with the left and right sides end face of parts of bearings 103, realizes the left and right directions location of auxiliary drum framework 35.
Here; The free-ended pivot suspension axle 101 that is fixedly set in limit rotation arm 91 is identical with prong installation shaft 33 diameters; Its pivot suspension linking part is same specification with the axle support structure that prong installation shaft 33 is rotated on the top that is bearing in reel framework 26 freely, thereby parts of bearings 93,103, support unit 97,107 and bolt 100,110 are general respectively.
When assembling prong installation shaft 33, at first, prong installation shaft 33 is entrapped in the recess 92 of reel framework 32, follow, support unit 97 is inserted into from the side accepts between sheet 32d and the prong installation shaft 33.Then, parts of bearings 93 is installed, engaging protrusion 95 is passed the support holes 98 of support unit 97 and inserted and lead in the connecting hole of accepting sheet 32d 96 from the reel central side, afterwards, by bolt 100 rigid bearing parts 93.The pivot suspension axle 101 of limit rotation arm 91 also is contained on the auxiliary drum framework 35 with identical der group.Under the situation of dismounting prong installation shaft 33, undertaken by opposite order in order to decompose maintenance or replacing.
Like Figure 14, such shown in 15, said prong 34 is that spring wire is bowed downward to the U font and constitutes two and be a pair of form, and be formed on installing hole 43 on the prong installation shaft 33 from the top interior and install with being inserted into up/down perforation.That kind shown in figure 21; The 34a of upper cross bar portion of prong 34; When transverse side is watched, bending to the shape that is wound on the prong installation shaft 33, by being pressed on the prong installation shaft 33, build-in Dingan County adorns outside when making its elasticity expansion open distortion, carrying out with this 34a of upper cross bar portion brute force.Through powerfully pulling prong 34, just can carry out the dismounting of prong 34 to the top while pushing the 34a of upper cross bar portion open.
According to said structure, when the reel framework is installed the reel installation shaft, the Y-axis support respectively uses a bolt.For example; Harrowing for pentagon under the situation of reel; Five reel installation shaft are only used ten bolts when the reel framework is installed, and compare with regard to the prior art of using two bolts, only use the bolt and the working hour of one of which half amount to get final product at axle supporting position.In addition,, then harrow under the situation of reel, use 20 bolts to get final product as a whole at pentagon if the auxiliary drum framework is constituted identical axle support structure with pivotal bearing part between the limit rotation arm free end.
Therefore, can be equipped with the prong installation shaft of limit rotation arm simply with respect to reel framework mounting or dismounting one with less bolt working hour, and, can realize reducing and weight saving of number of components.
In addition, owing to from the side bolt is installed on the reel framework, so bolt is positioned at the inboard that rake holds together the reel profile.Its result is difficult for the straw that hook is planted, and can prevent the threshing of following rake to hold together to produce effectively.
In addition; As above-mentioned, in said auxiliary drum framework, rotate the pivot suspension linking part of restricted arm, position supporting via snap fastener to possessing towards the parts of bearings of the bearing recess of foreign side's opening radially; And; Be fixed in the reel framework with a bolt, also via said snap fastener support unit be fixed, said support unit stops the disengaging from opening of the limit rotation arm that is entrapped in the said bearing recess.Thereby; When striding prong installation shaft of reel framework and auxiliary drum framework axle supporting installation; Only use four bolts to get final product, for example, if pentagonal rake holds together the words of reel; Can with as prior art quantity half the, promptly 20 bolts are installed five prong installation shaft, thereby promote the first above-mentioned effect of inventing.
Constitute identical specification respectively owing to will be arranged on above-mentioned parts of bearings and the above-mentioned parts of bearings and the support unit of support unit and the pivot suspension linking part that is arranged on the limit rotation arm of the axle support of prong installation shaft; So; Promote the parts generalization of pivot suspension linking part of axle support and the limit rotation arm of prong installation shaft, more helped the reduction of cost.
(detailed structure of auger conveyor)
Below, an example of the detailed structure of auger conveyor 17 is described.Auger conveyor 17 is not limited to following structure.
Like Figure 22, such shown in 23; Reaping part 7 is following frame set assembling structures: will constitute the backboard 76 at the back side, the runout table 14 that constitutes the bottom surface, the pair of right and left side plate 77,78 that constitutes the left and right side through modes such as spot welding and be fixed on and link on the reaping part framework 79 that cornue or L section bar form; Stride the front end of runout table 14 and be equipped with the reaping apparatus 12 of hairclipper type along this front end; And the side plate 77,78 about striding sets up the crop of being gathered in laterally is fed to the middle auger conveyor 17 of harvesting width.
Feeder 6 constitutes through on the internal equipment of the conveying box that forms the angle tubular 15, holding together conveyer 16.On hold together conveyer 16, link conveying lever 16b through the pair of right and left chain 16a crossbearer of striding vertical coiling and constitute, the crop of laterally giving by auger conveyor 17 along the bottom surface of conveying box 15 by on hold together to carry and put into the front end of sheller unit 3.
Between the bottom of the front portion of the main truss 80 of the body 2 that goes and feeder 6, set up hydraulic cylinder 9, through the expanding-contracting action of this hydraulic cylinder 9, reaping part 7 goes up and down around above-mentioned fulcrum P swing with feeder 6 integratedly.Be equipped with rake in the front upper of reaping part 7 and hold together reel 10, this harrow reel 10 with the crop of being planted rearward cake hold together and be sent in the reaping apparatus 12.
Like Figure 22, such shown in 24; The structure of auger conveyor 17 is following; Promptly; In the periphery of large diameter auger conveyor cylinder 17, possess pair of right and left helical blade 18, this pair of right and left helical blade 18 plays the function of laterally giving towards the leading section of above-mentioned feeder 6 along with rotating forward; And; Four circumferential positions with about each mode of two possess in and hold together to refer to 22 (rake holds together an example of body) from the auger conveyor cylinder 17 outstanding bar-shaped rakes of keeping out of the way in the face of the horizontal wide zone of the front end inlet 221 of feeder 6, in addition, the position midway of laterally giving the zone on the right side possesses from the auxiliary rake of auger conveyor cylinder 17 outstanding of keeping out of the way holds together to refer to 23 (auxiliary rake holds together examples of body).
Near the right ends of auger conveyor cylinder 17 internal fixation is provided with cover plate 111,112, and the internal fixation at the position of keeping right of auger conveyor cylinder 17 is provided with intermediate support plates 113.The cover plate 112 of striding the right side is through with rotation fulcrum 114 with intermediate support plates 113 center separately; The binding flange 114a bolt that links with rotation fulcrum 114 keys is linked on the cover plate 112 on right side; Thereby rotation fulcrum 114 one are linked to center (auger conveyor axle center) x of auger conveyor cylinder 17.
That kind shown in figure 24; From the outstanding above-mentioned rotation fulcrum 114 of the right-hand member of auger conveyor cylinder 17; Rotate via bearing 116 and to be bearing in freely on the bearing bracket 115 that is installed on right side side plate 78, and rotation is bearing among the support holes 26a of intermediate support plates 113 freely.That kind shown in figure 27; On side plate 78, be formed with diameter and form the assembly hole 78a that can insert logical above-mentioned binding flange 114a and above-mentioned bearing bracket 115; And; The cover plate 117 of rectangle is attached on the side plate 78 from outside bolt, so that stop up assembly hole 78a, bolt links on this cover plate 117 has bearing bracket 115.In the inboard of side plate 78, the discoideus coiling of band edge that enters into the recessed space that is formed on auger conveyor cylinder 17 right-hand members prevents that plate 118 and above-mentioned cover plate 117 from linking fixing through being total to fastening bolt.
Key links on the outer end of rotation fulcrum 114 has input sprocket 119, accepts rotary driving force.Integrally formed oriented rake holds together the output chain gear 120 that reel 18 carries out transmission of power on this input sprocket 119.
That kind shown in figure 25; On the side plate 77 in left side; Link with one heart with above-mentioned auger conveyor axle center x via linking flange 122a and to be fixed with a fixed pivot axis 122; And this a fixed pivot axis 122 rotates to connect freely via bearing 124 and is bearing on the bearing bracket 123, and this bearing bracket 123 is installed on the left side cover plate 111 of auger conveyor cylinder 17.That kind shown in figure 26; On side plate 77; Be formed with diameter and form the assembly hole 77a that can insert logical above-mentioned binding flange 122a and above-mentioned bearing bracket 123; And, being attached on the side plate 77 from outside bolt with the mode of stopping up assembly hole 77a cover plate 125 rectangle, bolt links on this cover plate 125 has bearing bracket 123.In the inboard of side plate 77, the discoideus coiling of band edge that enters into the recessed space that is formed on auger conveyor cylinder 17 left ends prevents that bolt links fixing plate 126 through being total to fastening with above-mentioned cover plate 125.
On the inner end of a fixed pivot axis 122, be fixed with frame support bracket 127 through the key binding, on the other hand, distolateral in said rotation fulcrum 114 x rotates the loosening freely chimeric frame support bracket 128 that is equipped with around the auger conveyor axle center via bearing 129.Stride the terminal part of these left and right sides frame support brackets 127,42, eccentric fulcrum 130 is setting up with auger conveyor axle center x abreast.The prescribed form that frame support bracket 127,42 fixedly becomes towards the front lower place, that kind shown in figure 22 links support and is set in respect to auger conveyor axle center x on the position below forward partially at two frame support brackets 127, the axle center y of eccentric fulcrum 130 between 42.
On eccentric fulcrum 130, hold together to refer to that corresponding to harrowing finger 22 and auxiliary rake 23 installation site is loosening chimericly has nine propeller boss 131 are installed, each install insert in propeller boss 131 and screw thread fixedly connected rake hold together the medial end that body 22 and auxiliary rake hold together body 23.The rake that is installed in freely on the eccentric fulcrum 130 via each installation propeller boss 131 and rotation holds together finger 22 and assists rake to hold together finger 23, and perforation is bearing in the resin system slide bushing of installing on the periphery assigned position of auger conveyor 17 132.Left and right sides suitable position in auger conveyor cylinder 17 peripheries is formed with load hole 20a, and this load hole 20a is stopped up by mounting or dismounting housing 133 freely, and slide bushing 132 is installed on this housing 133.
Auger conveyor 17 constitutes as above-mentioned; Support about side plate 77, between 12, when rotation fulcrum 114 is driven in rotation and when auger conveyor cylinder 17 is forwards rotated, each rake hold together to refer to 22 and auxiliary rake hold together to refer to 23 y rotate around the axle center of eccentric fulcrum 130 thereupon; At this moment; Eccentric fulcrum 44 changes according to rotation phase with the distance of each slide bushing 132, and correspondingly, each rake holds together finger 22 and auxiliary rake holds together to refer to 23 from 17 outstanding keeping out of the way of auger conveyor cylinder.
In this case, the axle center y that links auger conveyor axle center x and eccentric fulcrum 130, on the extended line in the place ahead, the outstanding quantitative change that rake holds together to refer to reaches maximum, in its opposite phases, the overhang minimum that rake holds together to refer to.Therefore; Laterally give by helical blade 18 crop that comes by significantly outstanding rake hold together to refer to 22 and auxiliary rake hold together to refer to 23 rearward cake hold together; Mode to slip into auger conveyor cylinder 17 belows is rearward carried along runout table 14, and is sent to the front end inlet 221 of feeder 6.
Below, to stride left side plate 77, between 12 the assembling above-mentioned auger conveyor 17 order describe.
When assembling, will link flange 114a key in advance and be attached on the rotation fulcrum 114.On the other hand, via bearing 124 installation shaft support brackets 123, and key links frame support bracket 127 on a fixed pivot axis 122.Then, the left end that outer embedding is equipped with the eccentric fulcrum 130 that propeller boss 131 is installed links the free end that is fixed on frame support bracket 127, and, at the right-hand member of eccentric fulcrum 130, the frame support bracket 128 of bearing 129 is installed in the binding.
Coiling being prevented the interim assembling of plate 118,39 is inserted into the states in the recessed space of auger conveyor cylinder 17 right ends portions, the side plate 77 about auger conveyor cylinder 17 is inserted into, between 12.
Then, the rotation fulcrum 114 that will as above-mentioned, assemble in advance passes the assembly hole 78a of side plate 78 and is inserted in the auger conveyor cylinder 17, inserts to lead in the support holes 26a of the cover plate 112 on right side and intermediate support plates 113.Then, insert instruments such as box spanner from assembly hole 78a, will link flange 114a bolt and be attached on the cover plate 112.Then, the bearing bracket 115 that cover plate 117 has been installed in advance is installed on the rotation fulcrum 114 via bearing 116 outer embeddings, is attached on the side plate 78, stop up assembly hole 78a from the outside with cover plate 117 bolts.In addition, cover plate 117 bolts being attached to 78 last times of side plate, coiling is prevented that plate 118 is fastened on the side plate 78 altogether.Afterwards, input sprocket 119 and output chain gear 120 are installed on the protuberance of rotation fulcrum 114.
Then, will be as above-mentioned the previous a fixed pivot axis 122 of having assembled eccentric fulcrum 130 and frame support bracket 127,42 etc. pass the assembly hole 77a of left side side plate 77, be inserted in the auger conveyor cylinder 17.At this moment; Owing on the cover plate 111 in left side, be formed with assembly hole 111a with the shape that can insert logical frame support bracket 127,42; So, pass this assembly hole 111a frame support bracket 127,42 and eccentric fulcrum 130 be inserted between cover plate 111 and the intermediate support plates 113.
Then, insert instruments such as box spanner from assembly hole 77a, bearing bracket 123 bolts are attached on the cover plate 111; Afterwards, cover plate 125 is installed on the binding flange 122a, is attached on the side plate 77 from the outside with cover plate 125 bolts; Thus; A fixed pivot axis 122 is fixed on the side plate 77, and, assembly hole 78a stopped up.In addition, cover plate 125 bolts being attached to 77 last times of side plate, coiling is prevented that plate 126 is fastened on the side plate 77 altogether.
Be attached at the frame support bracket 128 of eccentric fulcrum 130 right-hand members, loosening chimeric being installed on the inner end that rotates fulcrum 114 via bearing 129.This assembly operation is that the assembly hole 20a via auger conveyor cylinder 17 right sides carries out.
Then, insert instrument from each the assembly hole 20a that opens wide, with rake hold together to refer to 22 and auxiliary rake hold together to refer to that 23 inner end inserts and is attached on the installation propeller boss 131 that outer embedding is installed on eccentric fulcrum 130.Afterwards,, each housing 133 is attached on the auger conveyor cylinder 17, stops up each assembly hole 20a holding together to refer to 23 slotting leading under the state in the slide bushing 132 with harrowing finger 22 and auxiliary rake.
Through above operation, accomplish the assembling of auger conveyor cylinder 17.
(detailed structure of reaping apparatus)
Below, describe based on the example of accompanying drawing the detailed structure of reaping apparatus 12.But the detailed structure of reaping apparatus 12 is not limited to following mode.
That kind shown in figure 29; But, a dead knife 202 constitutes hairclipper type reaping apparatus 12 with moving knife 206 through being set; A wherein said dead knife 202 is bearing in the base portion that is spaced laterally apart the many branch grass frameworks of arranging on predetermined distance ground 11 along body, but above-mentioned moving knife 206 is arranged on the top of the left part and the right portions of this dead knife 202.
This hairclipper type reaping apparatus 12 is equipped on the harvesting pre-treatment portion of combine; Plantation straw to importing between the careless framework of branch from the branch standing grain spare 200 that is arranged on careless framework 11 end sides of said each minute is gathered in processing, and its detailed structure is following, wherein; Said combine gathers in processing to plantation straws such as paddy rice, wheats; And carry out threshing and handle, the grain of taking off is recovered in the threshing case stores, or be recovered in the pack bunker and pack.
Such shown in Figure 29,30,31 etc.; Dead knife 202 possesses a dead knife platform 203 and a plurality of fixed blades 205; This dead knife platform 203 is installed on the cropping knife supporting mass 201 (with reference to Figure 36) that links of base portion downside with careless framework 11 of each minute; A plurality of fixed blades 205 are horizontally arranged in the upper surface side of the exterior region of this dead knife platform 203 along body, through rivet 204 fixed installations.
Such shown in Figure 29,30,31 etc.; But said each moving knife 206 possesses a plurality of movable blade 207 and a knife bar 23; These a plurality of movable blade 207 are with transversely arranged along body with the arrangement pitches of the arrangement pitches equal length of the fixed blade 205 of dead knife 202; This knife bar 23 is fixedly mounted on the upper surface side of above-mentioned each movable blade 207 through rivet 208, and a plurality of movable blade 207 are linked up.
But both ends and these three position effects of pars intermedia at above-mentioned each moving knife 206 have supporting device 215A, 30B, the 30c effect that possesses cutter holder 216, but each moving knife 206 laterally is bearing on the dead knife 202 along body via said each supporting device 215A, 30B, 30c sliding freely.But the moving knife 206 in left side; But back and forth drive with the state that laterally reciprocatingly slides along body by the left part of the cropping knife driving mechanism 221 that acts on following moving knife operating body 210 with respect to dead knife 202; Wherein, but but said moving knife operating body 210 be arranged near the position that the said supporting device 215A that leans on the body lateral outer side among the above-mentioned a plurality of supporting device 215A, 30B, 30c of this moving knife 206 most acted on.But the moving knife 206 on right side; But back and forth drive with the state that laterally reciprocatingly slides along body by the right portions of the cropping knife driving mechanism 221 that acts on following moving knife operating body 210 with respect to dead knife 202; Wherein, but but said moving knife operating body 210 be arranged near the position that the said supporting device 215A that leans on the body lateral outer side among the above-mentioned a plurality of supporting device 215A, 30B, 30c of this moving knife 206 most acted on.
Like Figure 29,32, such shown in 33, said each cropping knife driving mechanism 221 possesses swing connecting bar 230, gangbar 231 and driven in rotation body 223; Wherein, swing connecting bar 230 at one end portion possesses operation roller 222, but but said operation roller 222 constitute by the bearing between the pair of right and left operation panel 211 of the above-mentioned moving knife operating body 210 that is entrapped in the moving knife 206 that should drive; One distolateral relatively rotating on another the distolateral end that is attached at this swing connecting bar 230 freely of gangbar 231; Driven in rotation body 223 relatively rotates freely at circumference that to link another that this gangbar 231 is arranged distolateral.
The pars intermedia of above-mentioned swing connecting bar 230 rotates and is attached at freely on the fulcrum 232 that straw conveying plant (not shown) possessed, and swing connecting bar 230 is reciprocally swinging around the axle center of above-mentioned fulcrum 232.Above-mentioned driven in rotation body 223 rotates on the end that is bearing in the transmission case 226 that constitutes harvesting pre-treatment portion framework freely via rotation fulcrum 224.
Thus; Each cropping knife driving mechanism 221 will be converted into the reciprocating power of straight line around the rotary driving force of the driven driven in rotation body 223 in body above-below direction axle center that rotates fulcrum 224 by gangbar 43; Be delivered to the end of swing connecting bar 230; Drive this swing connecting bar 230 so that its around the body above-below direction axle center of fulcrum 232 by certain pendulum angle reciprocally swinging; But be delivered on the moving knife operating body 210 reciprocal thus driving movable cutter 10 by the reciprocating power of operation roller 222 with this swing connecting bar 230.
But the moving knife 206 about a pair of cropping knife driving mechanism 221 back and forth drives according to the setting of the rotatable phase of its driven in rotation body 223 etc. and with following state: but at the moving knife 206 in left side when slide in the body outside; But the moving knife 206 on right side also slides to the body outside; But at the moving knife 206 in left side during towards the body inner slide; But the moving knife 206 on right side is also to the body inner slide, that is, but pair of right and left moving knife 206 reciprocatingly slides towards opposite directions.
That is to say; This hairclipper type reaping apparatus 12; But at pair of right and left moving knife 206 under the state that moves back and forth in the opposite direction above the dead knife 202; And; But under the state that opens and closes above the cropping knife supporting mass 201 that the careless framework 11 of the branch that is being positioned at body transverse center portion between the end of pair of right and left moving knife 206 is possessed, but back and forth drive pair of right and left moving knife 206 through a pair of harvesting driving mechanism 221, thereby but the movable blade 207 of the left side moving knife 206 that relatively moves by the fixed blade 205 that is positioned at dead knife 202 left part and with respect to this fixed blade 205; To gathering in processing from the plantation straw of many branch standing grain spares 200 that are positioned at the reaping part left side; And, but the movable blade 207 of the right side moving knife 206 that relatively moves by the fixed blade 205 that is positioned at dead knife 202 right portions and with respect to this fixed blade 205, to gathering in processing from the plantation straw of many branch standing grain spares 200 that are positioned at the reaping part right side.
As Figure 34,35 show clearly; But but but the end of the moving knife 206 of housing 227 from above-mentioned pair of right and left moving knife 206 is extended to above the end of another moving knife 206, and this housing 227 possesses enough development lengths; But so that S between the end of covering pair of right and left moving knife 206; And, even but make and be opened between this end under the maximum sized state moving back and forth round about owing to two moving knife 206, also be enough to cover the gamut between this end.
Thus; But S between the end of moving knife 206 about avoiding straw bits or earth etc. to enter into by housing 227; And, be hooked on the cropping knife supporting mass 201 of below between dead knife 202 or the end even straw bits or earth etc. are charged into or flown between this end, but also can touch the housing 227 that moves back and forth with moving knife 206; Receive the effect of scraping of housing 227 and the whereabouts easily that becomes, gather in processing like this.
Like Figure 30, such shown in 31, but the above-mentioned supporting device 215A that the body lateral outer side end of each moving knife 206 play supporting role is possessed: back sliding guidance body 218 is fixed on the said fixing cutter platform 203 by binder bolt 217; The above-mentioned cutter holder 216 of latch plate system, rearward end are fixed on the dead knife platform 203 with above-mentioned back sliding guidance body 218 through above-mentioned binder bolt 217; Front slide guide body 220 is attached at the leading section of this cutter holder 216 through rivet 219.But will be attached on the knife bar 209 of moving knife 206 by the parts that constitute with knife bar 209 material different through above-mentioned rivet 208; Thereby on knife bar 209, possesses hardness and mar proof sliding part 26 than knife bar 209 excellences; Above-mentioned supporting device 215A carries out clamping by the above-mentioned sliding part 26 of above-mentioned front slide guide body 220 and 218 pairs of knife bars 209 of back sliding guidance body; It is slided freely, thereby but to moving knife 206 to support along the mode that body laterally slides with respect to dead knife 202.
Like Figure 33,34, such shown in 35, but the above-mentioned supporting device 215C that has the body medial end of the above-mentioned moving knife 206 of above-mentioned housing 227 to play supporting role to binding possesses: back sliding guidance body 218 is fixed on the said fixing cutter platform 203 by binder bolt 217; The above-mentioned cutter holder 216 of latch plate system, rearward end are fixed on the dead knife platform 203 with above-mentioned back sliding guidance body 218 through above-mentioned binder bolt 217; Front slide guide body 220 is attached at the leading section of this cutter holder 216 through rivet 219.But above-mentioned housing 227, be linked on the installation portion 228 of moving knife 206 through above-mentioned rivet 208; With the mode of sliding on the above-mentioned back sliding guidance body 218 of the above-mentioned supporting device 215C that possessed at dead knife 202 or the front slide guide body 220; Possess rear side sliding contacting part 229a and front side sliding contacting part 229b, but this rear side sliding contacting part 229a is configured between the knife bar 209 and back sliding guidance body 218 of moving knife 206; But this front side sliding contacting part 229b is configured between the knife bar 209 and front slide guide body 220 of moving knife 206.The above-mentioned installation portion 228 of above-mentioned housing 227 is by constituting with knife bar 209 material different, and above-mentioned rear side sliding contacting part 229a and front side sliding contacting part 229b possess hardness and the mar proof than knife bar 209 excellences.
That kind shown in figure 32; But but on the above-mentioned pair of right and left operation panel 211 of the above-mentioned moving knife operating body 210 that moving knife 206 is possessed; Follower plate 212 is installed in 213 mounting or dismounting freely by binder bolt, thus the contact-making surface 214 of operation roller 222 butts of formation and above-mentioned swing connecting bar 230.Thus, when wearing and tearing take place contact-making surface 214,, but but just can under the situation of not changing moving knife 206 and moving knife operating body 210, tackle only through replacing follower plate 212.
Such as stated; But on the installation portion that links with above-mentioned moving knife of housing; Possess sliding contacting part, but said sliding contacting part and slides on above-mentioned sliding guidance body between the sliding guidance body that an above-mentioned knife bar that moving knife possessed and said fixing cutter are possessed.That is, but along with moving knife is back and forth driven, the installation portion of housing slides with respect to the sliding guidance body at sliding contacting part, thus, but can be when suppressing moving knife relative fixed cutter loosening, but moving knife is moved back and forth.
Therefore, but can reduce the loosening of moving knife and quietly drive, through with housing as sliding contact parts, all be favourable in structure aspects and economic aspect.
In addition, hairclipper type reaping apparatus 12 of the present invention is not limited to combine, also is suitable for for the hairclipper type reaping apparatus of equipping in the various reaping machines except that combine 12.
[other embodiment]
(1) holds together in the reel drives structure at rake, also can constitute, driven pulley 85 pins are attached on the reel driving shaft 31, hang driving-belt 83 with the state volume that does not reverse with the mode that can change the position corresponding to the axis direction position of drive pulley 84a, 84b.
(2) also can constitute, will be installed in side by side on the reel driving shaft 31, hang driving-belt 83 with the state volume that does not reverse with drive pulley 84a, the opposed a pair of driven pulley 85 of 84b.
(3) in the structure of above-mentioned auger conveyor; Also can implement as follows; That is, with above-mentioned engaging protrusion 95 (105) outstanding being arranged on the inner surface of accepting sheet 32d (35d), and; The hole that will engage with this engaging protrusion 95 (105) is formed on the outer face of parts of bearings 93 (103), and parts of bearings 93 (103) and support unit 97 (107) are fastened on the engaging protrusion 95 (105) that is fixed in reel framework side.
(4) the paired above-mentioned parts of bearings 93 (103) and the shape of support unit 97 (107) are not limited to the foregoing description, for example also can be through engaging up and down on the composition surface in prong installation shaft 33 axle center.
(5) in the above-described embodiments; Through being set, the pivot suspension axle 101 of prong installation shaft 33 and limit rotation arm 91 becomes identical diameter; And make each parts of bearings 93,42 and support unit 97,107 general, implement but also can prong installation shaft 33 and pivot suspension axle 101 be designed to different diameters.
(6) in above-mentioned each embodiment, be that example is illustrated with the ordinary combine harvester, but also can be the combine of half feeding type.

Claims (35)

1. combine comprises: sheller unit and be connected in the feeder of the front portion of said sheller unit, said combine be characterised in that,
At the front end of said feeder rake is set and holds together reel,
Above-mentioned rake holds together reel to have:
Reel framework about being driven in rotation,
The prong installation shaft of stepping up a plurality of positions of peripheral part of the reel framework about stating and can being supported by crossbearer rotationally,
The auxiliary drum framework that rotates synchronously with these reel frameworks around the eccentric axle center of the axis of rotation of the reel framework about above-mentioned and
Stretch out integratedly and pivot suspension is linked to the limit rotation arm at a plurality of positions of peripheral part of said auxiliary drum framework from above-mentioned each prong installation shaft,
Parts of bearings with the bearing recess that is used for the above-mentioned prong installation shaft of axle supporting is fixed in above-mentioned reel framework.
2. combine as claimed in claim 1 is characterized in that,
Above-mentioned bearing recess is towards the radially foreign side opening of above-mentioned reel framework and form.
3. combine as claimed in claim 2 is characterized in that,
Be equipped with tabular support unit in the outer face of above-mentioned parts of bearings, this tabular support unit stops up the opening of above-mentioned bearing recess and stops the prong installation shaft to break away from from bearing recess.
4. combine as claimed in claim 3 is characterized in that,
On above-mentioned support unit, form support holes in the front and back of the above-mentioned bearing recess of the direction of rotation of above-mentioned reel framework,
Above-mentioned support unit and above-mentioned parts of bearings are fixed on the position of regulation by the front and back that are formed on above-mentioned bearing recess with above-mentioned each support holes accordingly and along the snap fastener that radially extends of above-mentioned reel framework.
5. like any described combine of claim 1 to 4, it is characterized in that,
Above-mentioned parts of bearings is formed by resin material.
6. like any described combine of claim 1 to 4, it is characterized in that,
Above-mentioned parts of bearings is fixed on the above-mentioned reel framework by bolt.
7. combine as claimed in claim 5 is characterized in that,
Above-mentioned parts of bearings is fixed on the above-mentioned reel framework by bolt.
8. combine as claimed in claim 7 is characterized in that,
On the pivot suspension linking part of the above-mentioned limit rotation arm of above-mentioned auxiliary drum framework, has the parts of bearings of bearing recess by bolt.
9. combine as claimed in claim 8 is characterized in that,
The parts of bearings that is arranged at the axle support of above-mentioned prong installation shaft constitutes same specification respectively with the parts of bearings that is arranged at the pivot suspension linking part of above-mentioned limit rotation arm.
10. combine as claimed in claim 7 is characterized in that,
Above-mentioned rake holds together reel to have:
Horizontal stand about frame support bracket on and rotation fulcrum that above-mentioned axis of rotation passes through,
Link be fixed on above-mentioned rotation fulcrum about regular pentagon above-mentioned reel framework,
Rotate horizontal stand freely about above-mentioned reel framework five positions, top unrooted prong installation shaft,
By a determining deviation be equipped in side by side many prongs on above-mentioned each prong installation shaft,
With the eccentric axle center with respect to the spool shaft mind-set offset rearward setpoint distance of above-mentioned reel framework is the above-mentioned auxiliary drum framework that supported freely regular pentagon is rotated at the center.
11. combine as claimed in claim 10 is characterized in that,
Above-mentioned reel framework has discoideus central hub, is five arms of radial extension and steps up the bracing piece that the end of stating arm sets up each other from above-mentioned central hub.
12. combine as claimed in claim 11 is characterized in that,
Above-mentioned auxiliary drum framework has discoideus central hub, is five arms of radial extension and steps up the bracing piece that the end of stating arm sets up each other from above-mentioned central hub,
Above-mentioned reel framework and above-mentioned auxiliary drum framework are identical shaped.
13. combine as claimed in claim 7 is characterized in that,
Above-mentioned reel framework has discoideus central hub, is five arms of radial extension and steps up the bracing piece that the end of stating arm sets up each other from above-mentioned central hub.
14. combine as claimed in claim 13 is characterized in that,
Above-mentioned auxiliary drum framework has discoideus central hub, is five arms of radial extension and steps up the bracing piece that the end of stating arm sets up each other from above-mentioned central hub,
Above-mentioned reel framework and above-mentioned auxiliary drum framework are identical shaped.
15. combine as claimed in claim 7 is characterized in that,
Be fixed with discoideus support plate in inboard binding of the body of the frame support bracket of above-mentioned reel framework,
In near the periphery of above-mentioned support plate the medial surface with respect to being equipped with three guide rollers on the equidistant position of the eccentric shaft of above-mentioned auxiliary drum framework.
16. combine as claimed in claim 15 is characterized in that,
On the central hub of above-mentioned auxiliary drum framework, be formed with circular port, the diameter of said circular port makes this circular port be cut in said three guide rollers outward,
Through guiding above-mentioned circular port by above-mentioned three guide rollers, above-mentioned auxiliary drum framework can be that the center is supported rotationally with eccentric axle center.
17. combine as claimed in claim 16 is characterized in that,
Outstandingly integratedly from the two ends of above-mentioned each prong installation shaft be provided with above-mentioned limit rotation arm towards the rear,
The free end pivot supporting of above-mentioned limit rotation arm is linked to each top of above-mentioned auxiliary drum framework.
18. combine as claimed in claim 7 is characterized in that,
Above-mentioned reel framework is provided with: the snap fastener and stop of parts of bearings positioning support on this reel framework that will be located at the axle support of above-mentioned prong installation shaft prevents to snap in the support unit of disengaging of above-mentioned prong installation shaft of the bearing recess of this parts of bearings
Above-mentioned support unit is fastened on above-mentioned parts of bearings via above-mentioned snap fastener.
19. combine as claimed in claim 18 is characterized in that,
Above-mentioned snap fastener comprises the engaging protrusion that is arranged at above-mentioned parts of bearings and is arranged at above-mentioned support unit and supplies above-mentioned engaging protrusion to insert logical connecting hole.
20. combine as claimed in claim 18 is characterized in that,
Above-mentioned auxiliary drum framework is provided with: the snap fastener and stop of the parts of bearings positioning support of pivot suspension linking part that will be located at above-mentioned limit rotation arm on this auxiliary drum framework prevents to snap in the support unit of disengaging of above-mentioned limit rotation arm of the bearing recess of this parts of bearings
Above-mentioned support unit is fastened on above-mentioned parts of bearings via above-mentioned snap fastener.
21. combine as claimed in claim 20 is characterized in that,
The support unit of being located at the axle support of above-mentioned prong installation shaft constitutes same specification respectively with the support unit of being located at the pivot suspension linking part of above-mentioned limit rotation arm.
22. a combine comprises: sheller unit and be connected in the feeder of the front portion of said sheller unit, said combine be characterised in that,
In above-mentioned sheller unit, insert the ventilation axletree along the body left and right directions,
Be input to the distolateral of above-mentioned wind axle from the power of the operating system of engine.
23. combine as claimed in claim 22 is characterized in that,
The power of above-mentioned operating system from another distolateral front and back of above-mentioned wind axle branch into body the place ahead towards power and body rear towards power and exported.
24. combine as claimed in claim 23 is characterized in that,
Front portion at above-mentioned sheller unit is equipped with bevel gear box,
Above-mentioned body the place ahead towards power import the power shaft of above-mentioned bevel gear box via driving-belt.
25. combine as claimed in claim 24 is characterized in that,
Inside at above-mentioned sheller unit is equipped with processing drum,
The power that is input to the power shaft of above-mentioned bevel gear box in above-mentioned bevel gear box, be converted into the body rear towards, be delivered to above-mentioned processing drum.
26. combine as claimed in claim 24 is characterized in that,
Connect feeder in the front portion of above-mentioned sheller unit, and at the cardinal extremity crossbearer feeder driving shaft of this feeder,
The binding that links via driving-belt of the power shaft of above-mentioned bevel gear box and above-mentioned feeder driving shaft, via this driving-belt, the power that is input to the power shaft of above-mentioned bevel gear box also is input to the distolateral of above-mentioned feeder driving shaft.
27. combine as claimed in claim 26 is characterized in that,
Make on the above-mentioned driving-belt that power shaft and the above-mentioned feeder driving shaft interlock of above-mentioned bevel gear box links, be provided with harvesting clutch the band tension type of this driving-belt generation effect.
28. combine as claimed in claim 26 is characterized in that,
The above-mentioned driving-belt that makes power shaft and the above-mentioned feeder driving shaft interlock of above-mentioned bevel gear box link be arranged on above-mentioned body the place ahead towards power be input between the above-mentioned driving-belt and above-mentioned bevel gear box of power shaft of above-mentioned bevel gear box.
29. combine as claimed in claim 23 is characterized in that,
Connect feeder in the front portion of above-mentioned sheller unit, and at the cardinal extremity crossbearer feeder driving shaft of this feeder,
Be input to the distolateral of above-mentioned feeder driving shaft via driving-belt to the power of another distolateral output of above-mentioned wind axle.
30. combine as claimed in claim 29 is characterized in that,
On above-mentioned driving-belt, be provided with harvesting clutch to the band tension type of this driving-belt generation effect.
31. combine as claimed in claim 26 is characterized in that,
Front end at above-mentioned feeder links reaping part, and above-mentioned body left and right directions extension is provided with and harrows reel and reaping apparatus and auger conveyor in this reaping part upper edge,
Above-mentioned feeder driving shaft extends along above-mentioned body left and right directions and is provided with, and a distolateral power that is input to above-mentioned feeder driving shaft is delivered to above-mentioned rake respectively and holds together reel and above-mentioned reaping apparatus from another of above-mentioned feeder driving shaft is distolateral.
32. combine as claimed in claim 31 is characterized in that,
At the anterior crossbearer jackshaft of above-mentioned feeder driving shaft, an end of the other end of above-mentioned feeder driving shaft and above-mentioned jackshaft links via the chain interlock.
33. combine as claimed in claim 32 is characterized in that,
On the other end of above-mentioned jackshaft, be equipped with rotation with above-mentioned jackshaft around horizontal axle center convert into around front and back towards the rotation switching mechanism of reciprocal rotation.
34. combine as claimed in claim 33 is characterized in that,
Forwards extend the power transmission shaft of the reciprocal rotation of transmitting this rotation switching mechanism from above-mentioned rotation switching mechanism, the leading section of this power transmission shaft and the interlock of above-mentioned reaping apparatus link.
35. each the described combine like claim 23 to 34 is characterized in that,
In above-mentioned sheller unit, extend respectively and thing is set laterally gives a helical axis of usefulness, secondary helical axis and swing separatory vessel driving shaft that the secondary thing is laterally given usefulness along the body left and right directions,
Above-mentioned body rear towards power pass to an above-mentioned helical axis and above-mentioned secondary helical axis and above-mentioned swing separatory vessel driving shaft respectively via driving-belt.
CN201110276338.6A 2005-12-02 2006-09-11 Combine Active CN102356721B (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2005-349380 2005-12-02
JP2005349380A JP2007151439A (en) 2005-12-02 2005-12-02 Raking reel of combine harvester
JP2005359221A JP4241723B2 (en) 2005-12-13 2005-12-13 Combine harvester drive structure
JP2005-359221 2005-12-13
JP2005-361662 2005-12-15
JP2005361662A JP4733512B2 (en) 2005-12-15 2005-12-15 Hair clipper type harvester for harvester
JP2006038175A JP4594875B2 (en) 2006-02-15 2006-02-15 Combine auger structure
JP2006-038175 2006-02-15
CN2006101515180A CN1973595B (en) 2005-12-02 2006-09-11 Combine

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CN201410836120.5A Active CN104541747B (en) 2005-12-02 2006-09-11 Combine harvester
CN201110276338.6A Active CN102356721B (en) 2005-12-02 2006-09-11 Combine
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CN104541749A (en) 2015-04-29

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