CN109168575A - Combine harvester - Google Patents

Abstract

The present invention can simplify the drive system of the harvesting device, and just can reliably drive harvesting device without special upkeep operation.Equipped with the rotation switching mechanism (70) that the rotation of the center around the transverse axis of jackshaft (65) is converted to reciprocating rotation around the axis in front and rear direction on jackshaft (65), and, the transmission shaft (74) of reciprocating rotary power after transmitting and converting extends towards front, the front end of the transmission shaft (74) and harvesting device (12) linkage connection.

Description

Combine harvester

The application be September in 2006 11 application No. is the 201410829389.0, applying date, entitled " joint The divisional application of the application for a patent for invention of harvester ".

Technical field

It is described the present invention relates to the combine harvester for having harvesting portion in the feeder front end for being connected to sheller unit front Harvesting portion has the harvesting device of hairclipper type, the auger conveyor and rake laterally given hold together reel.

Background technique

As the harvesting portion driving structure in above-mentioned combine harvester, it is known to such as Japanese Unexamined Patent Publication 2005-211010 Structure disclosed in bulletin.Match that is, the power that the jackshaft from crossbearer at harvesting portion back exports is transmitted to via transmission belt The standby cropping knife driving box near harvesting device transverse side, linkage connection harvesting knife drive box and harvesting device, also, with The power drive auger conveyor and rake exported from jackshaft holds together reel.

In above-mentioned existing structure, the tape handler of linkage connection jackshaft and cropping knife driving box is provided in harvesting The lateral outer side in portion, so, a large amount of components are needed in harvesting device drive system, and cost is caused to get higher.In addition, due to be through Make to receive it is therefore possible to which transmission slip caused by abrasion or elongation because of transmission belt occurs by the frictional drive that transmission belt carries out The cut-out performance for cutting device reduces, so that the maintenance of transmission belt must be sufficiently carried out.

Summary of the invention

The present invention is made in view of problem as described above, and its object is to can make the drive system of harvesting device Simplify, and be not necessarily to special upkeep operation, just can reliably drive harvesting device.

The first feature of the present invention lies in that a kind of combine harvester, comprising:

Sheller unit,

Be connected to the front of the sheller unit feeder,

Be arranged in the front end of the feeder harvesting device,

Be arranged in auger conveyor that the transverse direction of the front end of the feeder gives,

Be arranged in the front end of the feeder rake hold together reel,

Crossbearer the base end part of the feeder feeder drive shaft,

And crossbearer is in the jackshaft of the front of the feeder,

Wherein, power transfers from feed drive shaft to intermediate shaft, and in turn, the power branch from the jackshaft is transmitted to Harvesting device, auger conveyor and rake hold together reel, which is characterized in that

Rotation switching mechanism is equipped on the jackshaft, the rotation switching mechanism is by the jackshaft around lateral axle center Rotation be converted to around reciprocating rotation in the front-back direction,

It is provided with the transmission shaft for transmitting the reciprocating rotation of the rotation switching mechanism, the transmission shaft extends towards front, transmission The front end of axis and harvesting device linkage link.

According to above scheme, by the front end that swing arm is mounted on to the transmission shaft around front-rear direction axle center reciprocating rotation On, and the swing arm of reciprocally swinging and the linkage of the cropping knife of harvesting device are linked, and can be with the rotation of jackshaft in linkage Cropping knife is back and forth driven with predetermined stroke.In this case, due to not having from the transmission system that intermediate axial harvesting device is driven There is frictional drive portion, thus it is possible to without slippingly driving harvesting device.

Therefore, compared with the V belt translation the case where, the transmission system being driven from intermediate axial harvesting device can be simplified, it can It realizes that the cost of drive mechanism reduces, also, reliable harvesting device driving can be carried out without special maintenance.

Second feature scheme of the invention is that the jackshaft and auger conveyor drive shaft flexible (being wrapping with) linkage connect Knot, also, be passed to the rake from the power that the auger conveyor drive shaft branches out and hold together reel.

For example, the power branched out from jackshaft is transmitted to the structure that rake holds together reel if being made, by harvesting device Driving uses, auger conveyor driving with and harrow three power branch portions of reel driving with from the lateral outer side in harvesting portion Mode outstanding is provided on jackshaft.In this way, the prominent length of the cantilever of jackshaft, is easy to apply big bend loading, To need to increase the diameter of axle of jackshaft.On the other hand, according to above scheme, only harvesting device is set on jackshaft and drives use With two power branch points of auger conveyor driving, the cantilever without especially lengthening jackshaft protrudes length.Therefore, The bending load applied to jackshaft becomes smaller, as long as the diameter of jackshaft is able to carry out the minor diameter of necessary torque transfer i.e. It can.

Third feature scheme of the invention is, holds together to be equipped with V belt translation machine in the transmission system that reel is driven to the rake Structure, also, the drive pulley for carrying out the Flexible Transmission of different drive ratios is equipped in the tape handler, by transmission belt to biography Movable belt pulley changes extension and carries out speed change.

According to above scheme, the speed changing structure that rake holds together reel can be inexpensively constituted.

Fourth feature scheme of the invention is that it includes parts of bearings and bearing part that the rake, which holds together reel,；

The parts of bearings has the bearing recess being open outward towards diameter, the axis for the prong installation axle configured in reel framework Supporting part via clamping mechanism positioning support on the reel framework, also, is fixed on the reel structure by a bolt On frame；

The bearing part is engaged via the clamping mechanism to be fixed, to prevent the fork being entrapped in the bearing recess Tooth installation axle is detached from.

According to above scheme, when installing reel installation axle to reel framework, one is respectively used in the portion of being pivotally supported of left and right Bolt.For example, when being installed to five reel installation axles on reel framework, only making in the case where holding together reel for pentagon rake With ten bolts.Thus, compared with one is pivotally supported the prior art that position just uses two bolts, half quantity of one is used only Bolt and working hour.In addition, if limiting the pivot suspension between arm free end in auxiliary drum framework and rotation Portion also uses identical axle support structure, then in the case where holding together reel for pentagon rake, uses 20 bolts in total.

Therefore, one can be simply assembled and disassembled relative to reel framework with less bolt working hour equipped with rotation limit The prong installation axle of arm processed, further, it is possible to realize number of components reduce and the mitigation of weight.

Fifth feature scheme of the invention is that the auger conveyor includes: to be fixedly installed with cover board at both ends Auger conveyor roller, stationary fulcrum, rotation fulcrum, support bracket, eccentric fulcrum and rake hold together body；By the stationary fulcrum and The rotation fulcrum, the auger conveyor roller across erecting the pair of right and left side plate for being provided to runout table left and right ends portion and Rotated freely ground axle suspension；The stationary fulcrum connection is fixed on the side plate, also, rotatably Penetrate through the center of a cover board；The rotation fulcrum, which rotatably freely penetrates through, to be supported on another described side plate, also, It is fixedly linked on the center of another cover board；The bias fulcrum is supported on the stationary fulcrum via support bracket connection Drum inside end on；The rake holds together body, and from periphery, perforation is installed on the auger conveyor roller, base end part pivot suspension On the eccentric fulcrum, also, carried out by the rotation of the auger conveyor roller from the auger conveyor roller Prominent avoidance operation；In turn, assembly hole is offered on a cover board of the auger conveyor roller, assembly hole tool There is the shape that can insert the eccentric fulcrum and the support bracket.

According to above scheme, firstly, runout table and left side plate are fixed on harvesting portion structure by modes such as weldings On frame, the skeleton in assembling harvesting portion, on this basis, across left side plate assembling auger conveyor.At this point, fixed branch will have been removed Axis and the auger conveyor roller for rotating fulcrum are inserted between left side plate, later, another side plate will be inserted from outside Rotation fulcrum bolt link to another cover board of auger conveyor roller on.

It is attached on stationary fulcrum via support bracket by the end of eccentric fulcrum is cantilever-shaped, then, is formed through in advance In side plate assembly hole and be formed in auger conveyor roller a cover board assembly hole, by eccentric fulcrum with supporting Bracket is inserted into together in auger conveyor roller.

Then, the supporting arm being mounted on by the insertion end of eccentric fulcrum and rotatably on rotation fulcrum medial end Free end connection, so as to two supports state by eccentric fulcrum it is fixed be provided in it is eccentric from roller axis of rotation On specified position.Then, the inner end that the rake that perforation is mounted on auger conveyor drum peripheral holds together body is rotationally attached at On eccentric fulcrum.By operation that eccentric fulcrum is attached in support bracket and rake is held together into body pivot suspension it is attached at eccentric fulcrum On operation, be to be formed in the assembly hole of auger conveyor drum peripheral freely from opening and closing to carry out.

Therefore, on the basis of by modes such as welding by the runout table and integrated left side plate in the portion of gathering in, energy It is enough across being pivotally supported installation auger conveyor between left side plate.Thus, with by and rear installation unilateral side plate by spiral transferring Existing way between sending device to be pivotally supported on left side plate is compared, and can reduce assembling working hour, also, reduce and rigidly have with harvesting portion It is discrete present on the side plate installation strength of pass, it can effectively make stable quality.

Sixth feature scheme of the invention is that the harvesting device is the harvesting device of hairclipper type, and pair of right and left can Moving knife is back and forth driven in the opposite directions to each other above fixing cutter；

The harvesting device has housing；The housing from described in pair of right and left can one in moving knife extend to another end Top, being covered on described in pair of right and left can top between the end of moving knife.

That is, even if can open between the end of moving knife, the top between the end can also be covered by housing, straw swarf or Soil is difficult to enter between the end.Even if straw swarf or soil are charged into or are flown into the lower section of housing and carries or hook In fixing cutter or cropping knife supporting mass, can also touch from one can moving knife extend and can back and forth be moved together with moving knife with this Thus dynamic cap cover contacts are scraped effect by housing and are easy to fall.

Therefore, it according to this first invention, in the case where that can be opened and closed between the end of moving knife, remains to realize by by housing Covering and scrape effect, and easily avoid straw swarf or soil etc. and be detained or be deposited between the end, be not susceptible to Bad or driving malfunction is cut off as caused by straw swarf or soil, can be carried out efficiently harvest operation.

Detailed description of the invention

Fig. 1 is the whole left side view of combine harvester.

Fig. 2 is the overall top view of combine harvester.

Fig. 3 is the whole right side view of combine harvester.

Fig. 4 is kinematic scheme.

Fig. 5 is the side view in harvesting portion.

Fig. 6 is to indicate that rake holds together the main view of a part of reel.

Fig. 7 is the vertical profile rearview of rotation switching mechanism.

Fig. 8 is the main view of cropping knife driving structure.

Fig. 9 is the top view that rake holds together reel speed changing structure.

Figure 10 is the side view that rake holds together reel speed changing structure.

Figure 11 is the side view in harvesting portion.

Figure 12 is the side view that rake holds together reel.

Figure 13 is the decomposition side view that rake holds together reel.

Figure 14 is to indicate that rake holds together the main view of the right end portion of reel.

Figure 15 is to indicate that rake holds together the main view of the left end portion of reel.

Figure 16 is to indicate that rake holds together the side view of the bearing portion of the prong installation axle in reel.

Figure 17 is to indicate that rake holds together the vertical profile main view of the bearing portion of the prong installation axle in reel.

Figure 18 is to indicate that rake holds together the exploded perspective view of the bearing portion of the prong installation axle in reel.

Figure 19 is the side view of the bearing portion for the rotation limitation arm end for indicating that rake holds together in reel.

Figure 20 is the exploded perspective view of the bearing portion for the rotation limitation arm end for indicating that rake holds together in reel.

Figure 21 is the longitudinal cross-sectional side view of prong mounting portion.

Figure 22 is the vertical profile left side view of auger conveyor.

Figure 23 is the cross-sectional plan view of auger conveyor.

Figure 24 is the cross-sectional plan view indicated near the right part of auger conveyor.

Figure 25 is the cross-sectional plan view for indicating the left side of auger conveyor.

Figure 26 is the side view for indicating the major part of left side side plate.

Figure 27 is the side view for indicating the major part of right side side plate.

Figure 28 is the exploded view of auger conveyor.

Figure 29 is the top view of the hairclipper type harvesting device of combine.

Figure 30 is the top view at the supporting device configuration position of harvesting device.

Figure 31 is the cross-sectional view at the supporting device configuration position of harvesting device.

Figure 32 is the top view at the cropping knife driving mechanism function position of harvesting device.

Figure 33 is the main view at the cropping knife driving mechanism function position of harvesting device.

Figure 34 is the top view at the housing configuration position of harvesting device.

Figure 35 is the cross-sectional view at the housing configuration position of harvesting device.

Figure 36 is the cross-sectional view of harvesting device.

Specific embodiment

(summary of combine harvester)

Fig. 1 shows the whole side of ordinary combine harvester of the invention, and Fig. 2 shows its whole top surfaces.The joint is received Cutting mill, on the traveling body 2 for having pair of right and left crawler travel device 1, left and right is abreast filled equipped with the threshing of axial flow type The grain recoverer 4 of 3 and pack formula is set, also, in the front of grain recoverer 4 equipped with Drive Section 5.In sheller unit 3 Front is linked with the feeder 6 of harvesting straw conveying, before the feeder 6 in a manner of swinging up and down freely around fulcrum P End links the harvesting portion 7 with the harvesting width roughly the same with body transverse width, also, in the lower section of Drive Section 5 cross To equipped with engine 8.

It is provided with hydraulic cylinder 9 between the front of traveling body 2 and the lower part of feeder 6, by the flexible of the hydraulic cylinder 9 Movement, harvesting portion 7 and feeder 6 are integrally around the fulcrum P oscillating lifting.Front upper in harvesting portion 7 is held together equipped with rake Reel 10, the rake hold together reel 10 and rearward harrow to hold together and straw that pull-up is planted.

Harvesting portion 7 has: the pair of right and left for being configured to longitudinal wall shape divides standing grain framework 11, the harvesting device 12 of hairclipper type, by institute The crop of harvesting is laterally fed to auger conveyor 13 among harvesting width and connection left and right divide standing grain framework 11 lower part that This runout table 14.Feeder 6 is stored inside the tubular conveying box 15 penetrated through in front and back to be constituted and holding together conveyer 16. Hold together conveyer 16 on this to constitute and linking conveying lever 16b across longitudinally wound left and right chain 16a crossbearer, by auger conveyor 13 straws laterally given above are held together conveying along the bottom surface of conveying box 15, and are put to the front end of sheller unit 3.

Above-mentioned auger conveyor 13 is provided with the helical wing plate 18 of left and right, the spiral shell on the periphery of auger conveyor roller 17 Rotation conveyer roller 17 is driven in rotation along from the certain orientation of front downward, and the helical wing plate 18 of the left and right is towards charging The front end inlet of device 6 laterally gives harvesting straw, also, above-mentioned auger conveyor 13 is in the roller opposed with the front end inlet On circumferential four positions of outer peripheral portion, carries out each pair rake of the left and right of prominent avoidance operation equipped with being rotated with roller and hold together Refer to 19, the straw gathered in a wider range is laterally given along runout table 14 and collaborate among harvesting width, is used in combination Rake holds together to refer to that 19 force rake to hold together to be supplied to the front end inlet of feeder 6.

It keeps right position in the periphery of auger conveyor roller 17, the transverse direction being equipped additionally in right side helical wing plate 18 is given The auxiliary rake acted in the zone of action holds together finger 20, is being located at helical feed from the portion that the front end inlet of feeder 6 is transversely left The straw that the front of device 13 is poured on runout table 14 is held together by auxiliary rake refers to that 20 rakes hold together to the transverse direction effect of giving of helical wing plate 18 Region, and be transported to rake by the effect of giving of the transverse direction of helical wing plate 18 and hold together to refer to 19 zone of action.

As shown in Figure 5, the rake holds together reel 10 and is pivotally supported on via support bracket 22 and swings up and down around cardinal extremity fulcrum a The front of pair of right and left supporting arm 21 freely can change rake by swinging up and down supporting arm 21 by hydraulic cylinder 23 The rake for holding together reel 10 holds together wording depth, further, it is possible to by along supporting arm 21 slidable adjustment support bracket 22 and front and back adjust Rake holds together active position.As shown in Figures 9 and 10, support bracket 22 is slid relative to the frame lateral members adjusting, also, by inserting connecting pin 26 It leads in the connecting hole 25 having on the multiple positions in front and back of the connecting hole 24 and supporting arm 21 that have in support bracket 22, and Support bracket 22 is fixed.

Rake, which holds together reel 10, to be had: the reel drive shaft via support bracket 22 by horizontal bracket on the supporting arm 21 of left and right 31, connection is fixed on the regular pentagon reel framework 32 of the reel drive shaft 31 or so, rotatably horizontal bracket Prong installation axle 33 between at the top of at the five of left and right reel framework 32, more rakes being mounted in prong installation axle 33 side by side Hold together with prong 34 and is rotated freely centered on the eccentric axle center c that the driving axle center b relative to reel framework 32 rearward deviates The regular pentagon auxiliary drum framework 35 etc. that ground is supported, it is securing elongated towards rear from the end of each prong installation axle 33 The terminal part pivot suspension of rotation limitation arm 33a is attached at each top of the auxiliary drum framework 35, when reel framework 32 with Drive axle center b centered on rotate (revolution) when, therewith in linkage, auxiliary drum framework 35 centered on eccentric axle center c synchronously Servo-actuated rotation, each prong installation axle 33 is relative to reel framework 32 towards synchronous with the opposite direction in reel direction of rotation as a result, Ground rotation rotation, thus, the prong 34 of each prong installation axle 33 maintains posture directed downwardly always and carries out revolution movement, plays rake Hold together effect.

(drive mechanism)

Then, the drive mechanism of opposite each section transmission is illustrated.

As shown in Figure 4, the power from engine 8 assigns to advance system and operating system, the power of advance system Via the main clutch 40 with tension type, band is transmitted to main speed-changing mechanism 41.Main speed-changing mechanism 41 is filled by Hyaulic infinite variable speed (HST) composition is set, the rotating forward (advance) exported from the main speed-changing mechanism 41 or the variable-speed dynamic for inverting (retrogressing) are input into Transmission case 42.The power for being input into transmission case 42 carries out two grades of speed changes of height by the secondary gear 43 of gear type, later, The crawler travel device 1 of left and right is branched off into via pair of right and left side clutch 44.

Side clutch 44 links with the control stick 45 that 5 front of Drive Section is arranged in, when control stick 45 is located at left and right neutrality When position, the side clutch 44 of left and right " engagement ", thus straight line traveling, by manipulation bar 45 to the left or right, By 44 "off" of side clutch of fore side, only unilateral crawler travel device 1 is driven, so that body 2 of advancing is to behaviour It turns in the operation direction of vertical pole 45.Side brake 46 and side clutch 44 link, when after disconnecting side clutch 44 Continuation further fell control stick 45 when, the side brake 46 of side that side clutch 44 is disconnected acts, thus Braking is applied to the crawler travel device 1 that driving has been disconnected, body steering is carried out by pivot turn (pivot stud).It is above-mentioned Control stick 45 is configured to all around carry out ten word operations, also, the control valve (not shown) of control stick 45 and hydraulic cylinder 9 Connection declines harvesting portion 7, hydraulic cylinder so that above-mentioned hydraulic cylinder 9 carries out shortening movement by the forward action of control stick 45 9 carry out elongation movement by its backward operation, increase harvesting portion 7.

The power of the operating system branched out from engine power, the biography acted on via the threshing clutch 50 with tension type Dynamic band 51 and be transmitted to the input shaft of sheller unit 3, i.e. on wind axle 52.The power being transmitted on wind axle 52, on a body left side Side is further branched off into two systems, a part of branch's power via transmission belt 56 be transmitted to sheller unit 3 have it is primary The secondary spiral axis 54 and swing separatory vessel drive shaft that a helical axis 53, the secondary object that object is laterally given laterally are given 55 etc., also, branch's power of another part is transmitted to the bevel gear box 57 for being provided in 3 front of sheller unit via transmission belt 58 Input shaft 59, by the power that converted direction by bevel gear box 57, to drive processing roller 60.

The input shaft 59 and crossbearer of bevel gear box 57 are tensioned in the feeder drive shaft 61 of 6 cardinal extremity of feeder via band The transmission belt 63 that the harvesting clutch 62 of formula is acted on, which links, to be linked, by the power being transmitted in feeder drive shaft 61, such as It is following it is such drive conveyer 16, auger conveyor 13, harvesting device 12 and rake hold together reel 10.

Crossbearer is supported with jackshaft 65 on the right side of the back in harvesting portion 7, the left part of the jackshaft 65 and feeder driving The right part of axis 61 is linked via chain 66 to be linked, also, the right part of jackshaft 65 and the spiral for being projected into 7 right side of harvesting portion Conveyer drive shaft 67 links via chain 68 to be linked.

Rotation switching mechanism 70 is equipped near the right end of jackshaft 65, the rotation switching mechanism 70 is by jackshaft 65 Rotation of the center around the transverse axis is converted to the reciprocating rotation around front and back towards axle center.As shown in fig. 7, rotation switching mechanism 70, passes through Inclined by that can be externally embedded to be mounted on idling freely by inclination propeller boss 72 in a manner of inclination axle center d rotation with what jackshaft 65 linked In plagiocephaly 71, and transmission shaft 74 is attached on a pair of of fulcrum pin 72a via york piece 73 and is constituted, a pair of fulcrum pin 72a It is arranged on the periphery diagonal position of the inclination propeller boss 72.By 65 rotation of the center around the transverse axis of jackshaft, make the sloping shaft The positive and negative yaw movement of the inclination axle center d of hub 72, thus, make to link via fulcrum pin 72a and york piece 73 with inclination propeller boss 72 The transmission shaft 74 of connection is with predetermined angular reciprocating rotation.

As shown in figure 5, the transmission shaft 74 divides the lateral surface forward downward of standing grain framework 11 to extend along right side, it is attached at biography The swing arm 75 and the harvesting device 12 of 74 front end of moving axis pass through the past of transmission shaft 74 via relaying connecting rod 75a linkage connection The cropping knife 12a of multiple rotation, harvesting device 12 is back and forth driven with certain stroke or so.

On the right side of the base portion of supporting arm 21 for holding together reel 10 equipped with rake, concentrically set with the cardinal extremity fulcrum a of supporting arm 21 There is relay axis 81, the relay axis 81 and auger conveyor drive shaft 67 link via chain 82 and link, also, relay axis 81 and volume Cylinder drive shaft 31 links via transmission belt 83 to be linked.As shown in Figure 9, Figure 10, it is equipped with major diameter side by side on relay axis 81 The drive pulley 84b of drive pulley 84a and minor diameter have a driven pulley in contrast in reel drive shaft 31 85, it is hung on any of drive pulley 84a, 84b by changing transmission belt 83, the rotation speed of reel 10 can be held together rake Carry out two grades of speed changes of height.

Setting position of the driven pulley 85 on axis direction is set to the left side with drive pulley 84a, 84b for being equipped with side by side Right middle position is suitable, no matter selects which drive pulley 84a, 84b, and transmission belt 83 can be rolled up with the state for turning round extension slightly Around.

A pair of of idler roller 87 acts on the relaxation side path of transmission belt 83, the pair of idler roller 87 be mounted on pass through by It swings force and these bendings of the idler roller 87 to transmission belt 83 can be passed through on the tensioner arm 86 of fulcrum e oscillation Winding, the front-rear position that reel 10 can be held together with rake change independently appropriate tightening belt.

(detailed construction that rake holds together reel)

Then, an example of 1 to Figure 15 detailed construction for holding together reel 10 to rake is illustrated referring to Fig.1.Rake holds together reel 10 and unlimited Due to flowering structure.

Rake holds together the rotation fulcrum 31 that reel 10 includes: horizontal bracket in the support bracket 22 of left and right, connection is fixed In the regular pentagon reel framework 32 of the rotation fulcrum 31 or so, rotatably horizontal bracket is on the top of left and right reel framework 32 Five prong installation axles 33 at five positions in portion equip the more prongs in each prong installation axle 33 side by side at a certain distance 34, it is rotated freely centered on the reel axle center b relative to reel the framework 32 rearward eccentric axle center c of offset control distance L The regular pentagon auxiliary drum framework 35 etc. that ground is supported.

As shown in Figure 13, reel framework 32 is in radiation by disk-shaped central hub 32a, from central hub 32a The reinforcing rod 32c that the five arms portion 32b and the end across arm 32b that shape extends are set up each other is constituted.Auxiliary drum framework 35 Also by disk-shaped central hub 35a, the five arms portion 35b extended radially from central hub 35a and across arm The reinforcing rod 35c that the end of 35b is set up each other is constituted, and reel framework 32 and auxiliary drum framework 35 are identical shape.

As shown in Figure 14, connection is fixed with disk-shaped support plate 88 on the inside of the body of the support bracket 22, Also, relative to being equipped on the bias equidistant position axle center c in the near the perimeter of medial surface of the support plate 88 There are three guide rollers 89.On the other hand, round hole 90, institute have been stamped and formed out on the central hub 35a of auxiliary drum framework 35 The diameter for stating round hole 90 to be cut in 89 groups of the guide roller outside the round hole 90, by by 89 groups of guidance round holes of guide roller 90, auxiliary drum framework 35 can rotationally be supported centered on eccentric axle center c.

Rotation limitation arm 91, rotation limitation have integrally been provided projectingly from the both ends of each prong installation axle 33 towards rear The free ending pivot of arm 91 is pivotally supported on each top for being attached at auxiliary drum framework 35.Extremely from the axle center r of each prong installation axle 33 The free ending pivot of rotation limitation arm 91 is pivotally supported the distance of point s and connects the direction of the imaginary line of two fulcrum r, s, with self reel The direction of the imaginary line of two axle center b, c of distance L and connection of axle center b to eccentric axle center c is consistent, reel axle center b, bias The free ending pivot of axle center c, the axle center r of prong installation axle 33 and rotation limitation arm 91 is pivotally supported point s and constitutes parallel―ordinal shift Fulcrum.Therefore, when 32 winding reel axle center b of reel framework rotates, auxiliary drum framework 35 is rotated around eccentric axle center c therewith, by This, prong installation axle 33 winds axle center r to opposite direction synchronous rotation, thus prong installation axle while winding reel axle center b revolves 33 maintain certain rotation posture always.

Figure 16 to Figure 18 shows the structure in the portion of being pivotally supported, this is pivotally supported portion and rotatably supports prong installation axle 33 At the top of reel framework 32.

The arm 32b for constituting reel framework 32 is made of Metal plate, and the Metal plate is by the side of reel direction of rotation 32ba is folded and is stamped and formed out the cross sectional shape for U-shaped, at its end portion towards diameter outward opening shape at having and can be caught in The recess portion 92 of prong installation axle 33.In the two sides of the recess portion 92, separate can for prong installation axle 33 by interval it is opposed Equipped with a pair of of receiving sheet 32d, a pair of receiving sheet 32d is by by the terminal part for folding side 23ba of arm 32b court each other Inner bending forms.

The parts of bearings 93 for rotatably supporting prong installation axle 33 is installed on the inside of the end arm 32b.The axis Bearing portion part 93 is made of the hard resin material of excellent in sliding property, is formed as entering the opposed of arm 32b and is folded side Roughly triangular shape between 23ba.On the outer end face of parts of bearings 93 towards diameter outward opening shape at there is bearing recess 94, which has the comparable width of outer diameter and depth with prong installation axle 33, is caught in bearing prong peace wherein Fill axis 33.A pair of of engaging protrusion has been provided projectingly in a manner of being located at 94 two sides of bearing recess on the outer end face of parts of bearings 93 95, which is supported on the connecting hole 96 being formed on each receiving sheet 32d from inside perforation.

Equipped with the bearing part 97 of plate, the plate between the outer end face and the receiving sheet 32d of parts of bearings 93 Bearing part 97 block bearing recess 94 opening, prevent prong installation axle 33 from bearing recess 94 be detached from.In the supporting part On part 97, the support holes 98 of the insert of engaging protrusion 95 for parts of bearings 93 are formed with, are fixed by linking parts of bearings 93 On arm 32b, the bearing part 97 for being supported on the parts of bearings 93 via engaging protrusion 95 is fixed in defined position On.

In the bottom side of the bearing recess 94 of parts of bearings 93, it is formed with the mounting hole 99 penetrated through in left-right direction, It is screwed into and is installed on arm 32b by the bolt 100 that the mounting hole 99 is inserted in side in slave body, parts of bearings 93 can determined Position is fixed on specified position.It is equipped in the periphery of prong installation axle 33 and engages with the left and right end face of parts of bearings 93 Circular protrusion 33a realizes the left and right directions positioning of prong installation axle 33.

The structure of pivot suspension linking part is shown in Figure 19, Figure 20, the pivot suspension linking part is via pivot support shaft 101 are rotatably supported on the free end of rotation limitation arm 91 at the top of auxiliary drum framework 35.Pivot suspension connection Portion is identical as the axle support structure that prong installation axle 33 is rotatably supported on the top of reel framework 26.

That is, the arm 35b for constituting auxiliary drum framework 35 is also made of Metal plate, the Metal plate is by reel rotation side To side 35ba fold and be stamped and formed out as U-shaped section, towards diameter, opening shape Cheng Youke is caught in outward in portion at its end The recess portion 102 of pivot support shaft 101.In the two sides of the recess portion 102, separate can for pivot support shaft 101 by interval It is opposed equipped with a pair of of receiving sheet 35d, a pair of receiving sheet 35d by by the terminal part for folding side 26ba of arm 35b that This bends inwards.

The parts of bearings 103 for rotatably supporting pivot support shaft 101 is installed on the inside of the end arm 32b.It should Parts of bearings 103 is made of the hard resin material of excellent in sliding property, is formed as entering the opposed of arm 35b and is folded side Roughly triangular shape between 26ba.On the outer end face of parts of bearings 103 towards diameter outward opening shape at there is bearing recess 104, which has the comparable width of outer diameter and depth with pivot support shaft 101, is caught in bearing pivot wherein Support shaft 101.A pair has been provided projectingly in a manner of being located at the two sides of bearing recess 104 on the outer end face of parts of bearings 103 Engaging protrusion 105, the engaging protrusion 105 are supported on the connecting hole 106 being formed on each receiving sheet 35d from inside perforation.

Equipped with the bearing part 107 of plate, the plate between the outer end face and the receiving sheet 35d of parts of bearings 103 The bearing part 107 of shape blocks the opening of bearing recess 104, and pivot support shaft 101 is prevented to be detached from from bearing recess 104.At this On bearing part 107, the support holes 108 of the insert of engaging protrusion 105 for parts of bearings 103 are formed with, by by parts of bearings 103 connections are fixed on arm 35b, and the bearing part 107 for being supported on parts of bearings 103 via engaging protrusion 105 is fixed On in defined position.

The mounting hole penetrated through in left-right direction is formed in the bottom side of the bearing recess 104 of parts of bearings 103 109, it is screwed into and is installed on arm 35b by the bolt 110 that the mounting hole 109 is inserted in side in slave body, it can be by bearing portion Part 103 is located in specified position and is fixed.The left and right end with parts of bearings 103 is equipped in the periphery of pivot support shaft 101 The circular protrusion 101a of face engaging realizes the left and right directions positioning of auxiliary drum framework 35.

Here, the pivot support shaft 101 and 33 diameter of prong installation axle of the free end of rotation limitation arm 91 are fixedly installed on It is identical, pivot suspension linking part and the axis branch being rotatably supported on prong installation axle 33 on the top of reel framework 26 Bearing structure is same specification, so that parts of bearings 93,103, bearing part 97,107 and the difference of bolt 100,110 are general.

When assembling prong installation axle 33, firstly, prong installation axle 33 is entrapped in the recess portion 92 of reel framework 32, connect , bearing part 97 is inserted between receiving sheet 32d and prong installation axle 33 from side.Then, it is installed from drum center side Engaging protrusion 95 is passed through the support holes 98 of bearing part 97 and inserted in the connecting hole 96 of receiving sheet 32d by parts of bearings 93, Later, by 100 fixing bearing component 93 of bolt.The pivot support shaft 101 of rotation limitation arm 91 is also with the assembling of identical sequence On auxiliary drum framework 35.In the case where dismantling prong installation axle 33 to decompose maintenance or replacement, by opposite suitable Sequence carries out.

As shown in Figure 14,15, the prong 34 is that spring wire is bowed downward to U-shaped and is configured to two to be in A pair of form is inserted from above into the mounting hole 43 being formed in prong installation axle 33 up and down and is installed. As shown in figure 21 like that, the upper lateral bar portion 34a of prong 34 is bent to when watching from transverse side wound on prong installation axle Shape on 33, by upper lateral bar portion 34a strength pressing in prong installation axle 33, while making its elasticity expand deformation It carries out being externally embedded to fixed installation.Prong 34 is pulled upwards by stronglying while pushing upper lateral bar portion 34a open, it just can be into The disassembly of row prong 34.

According to above structure, when installing reel installation axle to reel framework, Y-axis supporting part respectively uses a bolt. For example, five reels are installed when axial reel framework is installed and are used only ten in the case where holding together reel for pentagon rake Root bolt only uses the bolt of half quantity of one with compared with one is pivotally supported the prior art that position just uses two bolts And working hour.In addition, if by the pivotal bearing part structure between auxiliary drum framework and rotation limitation arm free end As identical axle support structure, then in the case where pentagon rake holds together reel, as a whole for using 20 bolts be It can.

It therefore, can be with less bolt working hour simply relative to reel framework assembly and disassembly one equipped with rotation limit The prong installation axle of arm processed, further, it is possible to realize number of components reduce and weight saving.

In addition, due to being installed on reel framework from side by bolt, so, bolt is located at rake and holds together the interior of reel shape Side.As a result, being not easy to hook the straw of plantation, the threshing for holding together generation with rake can be effectively prevented.

In addition, as described above, the pivot suspension linking part of rotation limitation arm in the auxiliary drum framework, via card It closes mechanism and positioning support is carried out to the parts of bearings for having the radially bearing recess of foreign side's opening, also, will with a bolt It is fixed on reel framework, and also bearing part is fixed via the clamping mechanism, and the bearing part prevention is snapped into Rotation in the bearing recess limits disengaging of the arm from opening.Thus, in across reel framework and auxiliary drum framework axis When a bearing piece prong installation axle of installation, four bolts are used only, for example, if holding together reel if pentagonal rake, energy Enough half, i.e. 20 piece bolts using as prior art quantity install five prong installation axles, to promote first invention Said effect.

Due to will be arranged in prong installation axle the above-mentioned parts of bearings for being pivotally supported portion and bearing part and setting turn The above-mentioned parts of bearings and bearing part of the pivot suspension linking part of dynamic limitation arm are respectively structured as identical specification, so, The component generalization for promoting the pivot suspension linking part for being pivotally supported portion and rotation limitation arm of prong installation axle, is more advantageous to The reduction of cost.

(detailed construction of auger conveyor)

In the following, being illustrated to an example of the detailed construction of auger conveyor 17.Auger conveyor 17 is not limited to following knot Structure.

As shown in Figure 22,23, harvesting portion 7 is following frame package assemblies: will constitute the back side by modes such as spot welding Backboard 76, constitute bottom surface runout table 14, constitute left and right side pair of right and left side plate 77,78 be fixed on connection angle Made of pipe or L-type material on harvesting portion framework 79, the front end across runout table 14 and along the front end equipped with hairclipper type Harvesting device 12, also, the side plate 77,78 across left and right is provided with the crop that will be gathered in and is laterally fed among harvesting width Auger conveyor 17.

Feeder 6 is constituted and holding together conveyer 16 on the internal equipment in the conveying box 15 for being formed as angle tubular.On hold together Conveyer 16 is constituted and linking conveying lever 16b across longitudinally wound pair of right and left chain 16a crossbearer, by auger conveyor 17 crops laterally given above are held together to convey and be put to the front end of sheller unit 3 along the bottom surface of conveying box 15.

It is provided with hydraulic cylinder 9 between the front of the main truss 80 of travel machine body 2 and the lower part of feeder 6, passes through the liquid The expanding-contracting action of cylinder pressure 9, harvesting portion 7 and feeder 6 are integrally around above-mentioned fulcrum P oscillating lifting.Front upper in harvesting portion 7 Hold together reel 10 equipped with rake, which holds together reel 10, and rearward cake holds together and is sent in harvesting device 12 by the crop planted.

As shown in Figure 22,24, the structure of auger conveyor 17 is as follows, that is, in the auger conveyor roller of major diameter 17 periphery has pair of right and left helical blade 18, the pair of right and left helical blade 18 play with rotate forward and towards upper It states the function that the front end of feeder 6 is laterally given, also, has in a manner of each two of left and right at four circumferential positions Hold together in the standby width region in face of the front end inlet 221 of feeder 6 from the prominent rodlike rake kept out of the way of auger conveyor roller 17 Refer to that 22(rake holds together an example of body), in addition, having at the midway position that region is laterally given on right side prominent from auger conveyor roller 17 The auxiliary rake kept out of the way out holds together to refer to that 23(auxiliary rake holds together an example of body).

Inside near the left and right ends of auger conveyor roller 17 is fixedly installed cover board 111,112, also, in spiral shell The inside for revolving the position of keeping right of conveyer roller 17 is fixedly installed intermediate support plates 113.Cover board 112 and intermediate branch across right side The respective center of board 113 is through with rotation fulcrum 114, the connection flange 114a bolt link with rotation 114 key of fulcrum connection In on the cover board 112 on right side, thus, rotation fulcrum 114 is integrally linked to the center (auger conveyor of auger conveyor roller 17 Axle center) x.

As shown in figure 24 like that, from the right end of auger conveyor roller 17 above-mentioned rotation fulcrum 114 outstanding, via bearing 116 and be rotatably supported on the bearing bracket 115 for being installed on right side side plate 78, and be rotatably freely supported on intermediate branch In the support holes 26a of board 113.As shown in figure 27 like that, it is formed with diameter on side plate 78 and is formed to insert above-mentioned company Tie the assembly hole 78a of flange 114a and above-mentioned bearing bracket 115, also, the cover plate 117 of rectangle from outside bolt link in side On plate 78, to block assembly hole 78a, bolt link has bearing bracket 115 on the cover plate 117.In the inside of side plate 78, into Entering to the disk-shaped winding of the band edge in the recessed space for being formed in 17 right end of auger conveyor roller prevents plate 118 and above-mentioned cover Plate 117 is linked by total fastening bolt to be fixed.

Key is linked with input sprocket 119 on the outer end of rotation fulcrum 114, receives rotary driving force.In the input chain It is integrally formed oriented rake on wheel 119 and holds together the output chain gear 120 that reel 18 carries out power transmitting.

As shown in fig. 25, on the side plate 77 in left side, via connection flange 122a and with above-mentioned auger conveyor axis Heart x, which concentrically links, is fixed with stationary fulcrum 122, also, the stationary fulcrum 122 rotatably penetrates through branch via bearing 124 It holds on bearing bracket 123, which is mounted on the left side cover board 111 of auger conveyor roller 17.Such as Figure 26 institute Show like that, on side plate 77, is formed with diameter and is formed to insert above-mentioned connection flange 122a and above-mentioned bearing bracket 123 Assembly hole 77a, also, in a manner of blocking assembly hole 77a by the cover plate of rectangle 125 from outside bolt link in side plate 77 On, bolt link has bearing bracket 123 on the cover plate 125.In the inside of side plate 77, enters and be formed in auger conveyor rolling The disk-shaped winding of band edge in the recessed space of 17 left ends of cylinder prevents plate 126 and above-mentioned cover plate 125 by fastening and bolt altogether Connection is fixed.

Support bracket 127 is fixed with by key connection on the inner end of stationary fulcrum 122, on the other hand, described The interior end side for rotating fulcrum 114 rotatably loosens to be fitted into via bearing 129 around auger conveyor axle center x is equipped with branch support Frame 128.Terminal part across these left and right support brackets 127,42, eccentric fulcrum 130 are set up in parallel with auger conveyor axle center x ?.The fixed prescribed form become towards front lower place of support bracket 127,42, as shown in figure 22 like that, connection bracket is in two bearings The axle center y of eccentric fulcrum 130 between bracket 127,42 is set in the position that front lower place is biased against relative to auger conveyor axle center x On.

On eccentric fulcrum 130, hold together to refer to 22 and rake assisted to hold together to refer to that 23 installation site loosening is chimeric have nine corresponding to harrowing A installation propeller boss 131 is inserted into each installation propeller boss 131 and is screwed to link and harrows body 22 and rake is assisted to hold together body 23 Medial end.It is rotatably mounted on the rake on eccentric fulcrum 130 via each installation propeller boss 131 and holds together to refer to 22 and auxiliary rake Hold together finger 23, perforation is supported in the resin slide bushing 132 installed on the periphery specified position of auger conveyor 17.In spiral The left and right suitable position of 17 periphery of conveyer roller is formed with load hole 20a, and load hole 20a is by detachable housing 133 Blocking, slide bushing 132 are mounted on the housing 133.

Auger conveyor 17 is constituted as described above, and bracket is between the side plate 77,12 of left and right, when rotation fulcrum 114 When being driven in rotation and rotating auger conveyor roller 17 forwards, respectively rake holds together to refer to 22 and rake is assisted to hold together finger 23 therewith around inclined The axle center y of heart fulcrum 130 is rotated, at this point, eccentric fulcrum 44 changes at a distance from each slide bushing 132 according to rotation phase, phase Ying Di, each rake hold together to refer to 22 and rake are assisted to hold together to refer to that 23 keep out of the way from the protrusion of auger conveyor roller 17.

In this case, in the axle center y of connection auger conveyor axle center x and eccentric fulcrum 130, extension towards front On line, the protrusion quantitative change that rake holds together finger reaches maximum, and in its opposite phase, the overhang that rake holds together finger is minimum.Therefore, by helical-blade Piece 18 laterally give the crop that comes by substantially rake outstanding hold together to refer to 22 and auxiliary rake hold together to refer to 23 rearward cake hold together, to slip into spiral The mode of 17 lower section of conveyer roller is rearward conveyed along runout table 14, and is sent to the front end inlet of feeder 6 221。

In the following, being illustrated to across the sequence for assembling above-mentioned auger conveyor 17 between left side plate 77,12.

In assembling, connection flange 114a key is attached on rotation fulcrum 114 in advance.On the other hand, in stationary fulcrum Bearing bracket 123 is installed via bearing 124 on 122, also, key links support bracket 127.Then, it will be externally embedded to and installation be installed The left end connection of the eccentric fulcrum 130 of propeller boss 131 is fixed on the free end of support bracket 127, also, in eccentric fulcrum 130 Right end, the support bracket 128 of bearing 129 is installed in connection.

The recessed sky for preventing the temporarily assembling of plate 118,39 to be inserted into 17 left and right ends portion of auger conveyor roller will be wound Between in state, by auger conveyor roller 17 be inserted into left and right side plate 77,12 between.

Then, rotation fulcrum 114 pre-assembled as described above is passed through into the assembly hole 78a of side plate 78 and be inserted into In auger conveyor roller 17, insert in the cover board 112 on right side and the support holes 26a of intermediate support plates 113.Then, from Assembly hole 78a is inserted into the tools such as box spanner, by connection flange 114a bolt link on cover board 112.Then, it will install in advance The bearing bracket 115 of cover plate 117 is externally embedded to via bearing 116 to be mounted on rotation fulcrum 114, from outside by cover plate 117 bolt It is attached on side plate 78, blocks assembly hole 78a.In addition, winding is prevented when by cover plate 117 bolt link to side plate 78 Plate 118 is fastened to altogether on side plate 78.Later, input sprocket 119 and output chain gear 120 are installed to the prominent of rotation fulcrum 114 Out in portion.

Then, the stationary fulcrum of eccentric fulcrum 130 and support bracket 127,42 etc. will be previously assembled as described above 122 pass through the assembly hole 77a of left side side plate 77, are inserted into auger conveyor roller 17.At this point, due to the cover board in left side The assembly hole 111a with the shape that can insert support bracket 127,42 is formed on 111, so, passing through assembly hole 111a will Support bracket 127,42 and eccentric fulcrum 130 are inserted between cover board 111 and intermediate support plates 113.

Then, from tools such as assembly hole 77a insertion box spanners, by 123 bolt link of bearing bracket on cover board 111, Later, cover plate 125 is mounted on connection flange 122a, from outside by cover plate 125 bolt link to side plate 77, as a result, will Stationary fulcrum 122 is fixed on side plate 77, also, blocks assembly hole 78a.In addition, by 125 bolt link of cover plate to side plate 77 When upper, plate 126 was prevented to be fastened on side plate 77 altogether winding.

It is attached at the support bracket 128 of eccentric 130 right end of fulcrum, chimeric be mounted on is loosened via bearing 129 and rotates branch On the inner end of axis 114.The assembly operation is carried out via the assembly hole 20a on 17 right side of auger conveyor roller.

Then, it is inserted into tool from open each assembly hole 20a, rake is held together to refer to 22 and rake is assisted to hold together to refer to that 23 inner end is inserted Enter and is attached on the installation propeller boss 131 for being externally embedded to and being installed on eccentric fulcrum 130.Later, hold together to refer to 22 that will harrow and assist harrowing In the state that finger 23 is inserted into slide bushing 132, each housing 133 is attached on auger conveyor roller 17, blocks each group Fill hole 20a.

By operating above, the assembling of auger conveyor roller 17 is completed.

(detailed construction of harvesting device)

In the following, being illustrated based on an example of attached drawing to the detailed construction of harvesting device 12.But the detailed construction of harvesting device 12 It is not limited to mode below.

As shown in figure 29 like that, by one fixing cutter 202 of setting and can moving knife 206 constitute hairclipper type harvesting device 12, wherein one fixing cutter 202 is supported on the more points of careless frameworks 11 arranged with being spaced laterally apart specified interval along body Base portion, it is above-mentioned can moving knife 206 be arranged in the fixing cutter 202 left part and right part top.

The hairclipper type harvesting device 12 is equipped on the harvesting pre-treatment portion of combine harvester, to from be arranged in each point of grass 11 end side of framework divide standing grain part 200 to imported into point careless framework between plantation straw carry out harvesting processing, detailed construction is as follows, Wherein, the combine harvester carries out harvesting processing to the plantation straw such as rice, wheat, and carries out threshing processing, will take off Grain be recovered in threshing box and be stored up, or be recovered in pack bunker and packed.

As shown in Figure 29,30,31 etc., fixing cutter 202 has a fixing cutter platform 203 and multiple fixed blades 205, One fixing cutter platform 203 is mounted on schemes with the cropping knife supporting mass 201(reference linked on the downside of the base portion of each point of careless framework 11 36) on, multiple fixed blades 205 are horizontally arranged in the upper surface side of the leading edge potion of the fixing cutter platform 203 along body, pass through rivet 204 are fixedly mounted.

As shown in Figure 29,30,31 etc., it is described respectively can moving knife 206 have multiple movable blades 207 and a knife bar 23, multiple movable blade 207 is with the arrangement spacing edge of the arrangement spacing equal length of the fixed blade 205 with fixing cutter 202 Body is transversely arranged, which is fixedly mounted on the upper surface side of above-mentioned each movable blade 207 by rivet 208, will Multiple movable blades 207 link up.

It is above-mentioned respectively can moving knife 206 both ends and these three positions of middle part effect have the bearing machine for having cutter holder 216 Structure 215A, 30B, 30c effect, respectively can moving knife 206 via described each supporting device 215A, 30B, 30c along body slide laterally from It such as is supported in fixing cutter 202.Left side can moving knife 206, by act on it is following can moving knife operating body 210 cropping knife drive Mechanism 221 is back and forth driven relative to the left part of fixing cutter 202 with the state slided along body transverse reciprocating, wherein described Can moving knife operating body 210 this is set can be in above-mentioned multiple supporting device 215A, 30B, 30c of moving knife 206 near body transverse direction The near sites that the supporting device 215A in outside is acted on.Right side can moving knife 206, by act on it is following can moving knife operate The cropping knife driving mechanism 221 of body 210 is past with the state slided along body transverse reciprocating relative to the right part of fixing cutter 202 Multiple driving, wherein it is described can moving knife operating body 210 be arranged in this can moving knife 206 above-mentioned multiple supporting device 215A, 30B, The near sites that the supporting device 215A in 30c near body lateral outer side is acted on.

As shown in Figure 29,32,33, each cropping knife driving mechanism 221 has swing connecting bar 230, interlocking bar 231 and driving rotating bodies 223；Wherein, portion has an operation roller 222 to swing connecting bar 230 at one end, and the operation roller 222 is by being caught in Should drive can moving knife 206 it is above-mentioned can the bearing between the pair of right and left operation panel 211 of moving knife operating body 210 constitute；Connection The one end of lever 231 relatively rotates on the end for the another side for being attached at the swing connecting bar 230 freely；Driving rotating bodies 223 are linked with the another side of the interlocking bar 231 in peripheral part relative rotation freely.

The middle part of above-mentioned swing connecting bar 230 is rotatably attached at the branch that straw conveying device (not shown) has On axis 232, axle center reciprocally swinging of the swing connecting bar 230 around above-mentioned fulcrum 232.Above-mentioned driving rotating bodies 223 is via rotation fulcrum 224 are rotatably supported on the end for constituting the transmission case 226 of harvesting pre-treatment portion framework.

Each cropping knife driving mechanism 221 will be around the body up and down direction axle center of rotation fulcrum 224 by interlocking bar 43 as a result, The rotary driving force of driven driving rotating bodies 223 is converted into the reciprocating power of straight line, is transmitted to the end of swing connecting bar 230 Portion, drive the swing connecting bar 230 so that its around the body up and down direction axle center of fulcrum 232 by certain swing angle reciprocally swinging, Being transmitted to the reciprocating power of the swing connecting bar 230 by operation roller 222 can be on moving knife operating body 210, and thus reciprocal driving can Moving knife 10.

A pair of of cropping knife driving mechanism 221 is according to setting of the rotatable phase of its driving rotating bodies 223 etc. and with following shapes What state back and forth drove left and right can moving knife 206: left side can moving knife 206 towards Slideslip outside body when, right side can moving knife 206 Also the Slideslip to outside body, left side can moving knife 206 towards Slideslip in body when, right side can moving knife 206 also to body Interior Slideslip, that is, pair of right and left can moving knife 206 opposite direction reciprocatingly slides towards each other.

That is, the hairclipper type harvesting device 12, pair of right and left can moving knife 206 above fixing cutter 202 towards opposite Direction move back and forth in the state of, also, body laterally central portion can be located between the end of moving knife 206 in pair of right and left The cropping knife supporting mass 201 that has of point careless framework 11 above be opened and closed in the state of, it is past that driving mechanism 221 is gathered in by a pair Again driving pair of right and left can moving knife 206, thus by be located at 202 left part of fixing cutter fixed blade 205 and relative to The fixed blade 205 relative movement left side can moving knife 206 movable blade 207, to from be located at harvesting portion on the left of more The plantation straw of point standing grain part 200 carries out harvesting processing, also, by the fixed blade 205 for being located at 202 right part of fixing cutter with And the movable blade 207 of the right movable knife 206 relative to the fixed blade 205 relative movement, to right from harvesting portion is located at The plantation straw of more points of standing grain parts 200 of side carries out harvesting processing.

As Figure 34,35 express as, make housing 227 from above-mentioned pair of right and left can one in moving knife 206 can moving knife 206 end extends to another can be above the end of moving knife 206, also, the housing 227 has enough development lengths, with Just covering pair of right and left can S between the end of moving knife 206, also, even if due to two can moving knife 206 it is reciprocal round about It moves and to be opened in the state of full-size between the end, be also enough to cover the entire scope between the end.

Avoided as a result, by housing 227 straw swarf or soil etc. enter left and right can S between the end of moving knife 206, and And even if straw swarf or soil etc. are charged into or are flown between the end and is hooked in lower section between fixing cutter 202 or end Cropping knife supporting mass 201 on, can also touch with can the housing 227 that moves back and forth together of moving knife 206, by housing 227 It scrapes effect and becomes easy whereabouts, be done by harvesting processing.

As shown in Figure 30,31, to respectively can moving knife 206 the above-mentioned bearing that play supporting role of body lateral outer side end Mechanism 215A has: rear sliding guidance body 218 is fixed on above-mentioned fixing cutter platform 203 by binder bolt 217；Latch plate Above-mentioned cutter holder 216, rear end are fixed on fixing cutter by above-mentioned binder bolt 217 and above-mentioned rear sliding guidance body 218 together On platform 203；Front slide guide body 220 is attached at the front end of the cutter holder 216 by rivet 219.It will by above-mentioned rivet 208 Being attached at by the component that the material different from knife bar 209 is constituted can be on the knife bar 209 of moving knife 206, to have on knife bar 209 Hardness and the wear resistance sliding part 26 more excellent than knife bar 209, above-mentioned supporting device 215A is by above-mentioned front slide guide body 220 And rear sliding guidance body 218 clamps the above-mentioned sliding part 26 of knife bar 209, slides freely it, thus to can moving knife 206 by relative to fixing cutter 202 along body slide laterally in a manner of supported.

As shown in Figure 33,34,35, to be linked with above-mentioned housing 227 it is above-mentioned can moving knife 206 body medial end The above-mentioned supporting device 215C playing supporting role has: rear sliding guidance body 218 is fixed on above-mentioned fixation by binder bolt 217 On knife platform 203；The above-mentioned cutter holder 216 of latch plate, rear end pass through above-mentioned binder bolt 217 and above-mentioned rear sliding guidance body 218 are fixed on together on fixing cutter platform 203；Front slide guide body 220 is attached at the front end of the cutter holder 216 by rivet 219 Portion.Above-mentioned housing 227, be linked to by above-mentioned rivet 208 can be on the mounting portion 228 of moving knife 206, in fixing cutter 202 The mode slided on the above-mentioned rear sliding guidance body 218 or front slide guide body 220 of the above-mentioned supporting device 215C being had, tool Standby rear side sliding contact portion 229a and front side sliding contact portion 229b, rear side sliding contact portion 229a are configured can moving knife Between 206 knife bar 209 and rear sliding guidance body 218；The front side sliding contact portion 229b configuration can moving knife 206 knife bar Between 209 and front slide guide body 220.The above-mentioned mounting portion 228 of above-mentioned housing 227 is made of the material different from knife bar 209, Above-mentioned rear side sliding contact portion 229a and front side sliding contact portion 229b has the hardness more excellent than knife bar 209 and wear-resistant Property.

As shown in figure 32 like that, can moving knife 206 have it is above-mentioned can moving knife operating body 210 above-mentioned pair of right and left behaviour Make on plate 211, follower plate 212 is detachably installed by binder bolt 213, to be formed and above-mentioned swing connecting bar 230 The contact surface 214 that operation roller 222 abuts.As a result, when contact surface 214 is worn, only by replacement follower plate 212, just can It is enough being changed without and moving knife 206 and can be coped in the case where moving knife operating body 210.

As described above, can have sliding contact portion, an institute on the mounting portion of moving knife connection in housing and said one State sliding contact portion be located at said one can the sliding guidance body that has of the knife bar that has of moving knife and above-mentioned fixing cutter it Between, and slided on above-mentioned sliding guidance body.That is, with can moving knife be driven reciprocally, the mounting portion of housing is in sliding contact portion Slided relative to sliding guidance body, as a result, can inhibit can the relatively fixed knife of moving knife loosening while, to can moving knife carry out it is past Multiple movement.

Therefore, can reduce can moving knife loosening and quietly driven, by by housing be used as sliding contact parts, It is all advantageous in configuration aspects and economic aspect.

In addition, hairclipper type harvesting device 12 of the invention is not limited to combine harvester, in addition to combine harvester Various croppers in the hairclipper type harvesting device 12 equipped be also to be applicable in.

[other embodiments]

(1) hold together in reel driving structure in rake, also may be configured as, the axis direction of drive pulley 84a, 84b can be corresponded to Position and change the mode of position and the pin of driven pulley 85 be attached in reel drive shaft 31, biography is wrapping with the state that do not reverse Dynamic band 83.

(2) it also may be configured as, reel drive will be mounted on side by side with drive pulley 84a, 84b opposed pairs driven pulley 85 On moving axis 31, transmission belt 83 is wrapping with the state that do not reverse.

(3) in the structure of above-mentioned auger conveyor, implementation can also be proceeded as follows, that is, above-mentioned engaging is dashed forward Play 95(105) it is provided projectingly on the inner surface of receiving sheet 32d(35d), also, will be with the engaging protrusion 95(105) engage Hole is formed in parts of bearings 93(103) outer end face on, make parts of bearings 93(103) and bearing part 97(107) be fastened on it is solid Due to the engaging protrusion 95(105 of reel framework side) on.

(4) pairs of above-mentioned parts of bearings 93(103) and bearing part 97(107) shape be not limited to above-mentioned implementation Example, such as it is also possible on the joint surface by 33 axle center of prong installation axle engagement up and down.

(5) in the above-described embodiments, by setting the pivot support shaft 101 of prong installation axle 33 and rotation limitation arm 91 As identical diameter, and keep each parts of bearings 93,42 and bearing part 97,107 general, but can also be by prong installation axle 33 Different diameters is designed to pivot support shaft 101 to implement.

(6) in the above embodiments, it is illustrated by taking ordinary combine harvester as an example and is fed but it is also possible to be half The combine harvester of type.

Claims (6)

1. a kind of combine harvester, comprising:

Sheller unit,

Be connected to the front of the sheller unit feeder,

Be arranged in the front end of the feeder harvesting device,

Be arranged in auger conveyor that the transverse direction of the front end of the feeder gives,

Be arranged in the front end of the feeder rake hold together reel,

Crossbearer the base end part of the feeder feeder drive shaft,

And crossbearer is in the jackshaft of the front of the feeder,

Wherein, power transfers from feed drive shaft to intermediate shaft, and in turn, the power branch from the jackshaft is transmitted to Harvesting device, auger conveyor and rake hold together reel, which is characterized in that

Rotation switching mechanism is equipped on the jackshaft, the rotation switching mechanism is by the jackshaft around lateral axle center Rotation be converted to around reciprocating rotation in the front-back direction,

It is provided with the transmission shaft for transmitting the reciprocating rotation of the rotation switching mechanism, the transmission shaft extends towards front, transmission The front end of axis and harvesting device linkage link.

2. combine harvester as described in claim 1, which is characterized in that the jackshaft and auger conveyor drive shaft are flexible Linkage connection, also, be passed to the rake from the power that the auger conveyor drive shaft branches out and hold together reel.

3. combine harvester as claimed in claim 2, which is characterized in that hold together in the transmission system that reel is driven to the rake Equipped with tape handler, also, it is equipped with the drive pulley for carrying out the Flexible Transmission of different drive ratios in the tape handler, leads to It crosses transmission belt and carries out speed change to the changing extension of drive pulley.

4. combine harvester as described in claim 1, which is characterized in that it includes parts of bearings and supporting part that the rake, which holds together reel, Part；

The parts of bearings has the bearing recess being open outward towards diameter, fork of the parts of bearings configuration in reel framework Tooth installation axle is pivotally supported portion, and the parts of bearings on the reel framework, also, passes through via clamping mechanism positioning support A piece bolt is fixed on the reel framework；

The bearing part is engaged via the clamping mechanism to be fixed, to prevent the fork being entrapped in the bearing recess Tooth installation axle is detached from.

5. combine harvester as described in claim 1, which is characterized in that the auger conveyor includes: to fix at both ends Auger conveyor roller, stationary fulcrum, rotation fulcrum, support bracket, eccentric fulcrum and the rake for being equipped with cover board hold together body；

By the stationary fulcrum and the rotation fulcrum, the auger conveyor roller is provided to runout table or so across erecting The pair of right and left side plate at both ends and rotated freely ground axle suspension；

The stationary fulcrum connection is fixed on the side plate, also, rotatably penetrates through a lid The center of plate；

The rotation fulcrum, which rotatably freely penetrates through, to be supported on another described side plate, also, is fixedly linked on another institute State the center of cover board；

The bias fulcrum is supported on the drum inside end of the stationary fulcrum via support bracket connection；

The rake holds together body and is installed on the auger conveyor roller from periphery perforation, and base end part pivot suspension is in the eccentric fulcrum On, also, prominent avoidance operation is carried out from the auger conveyor roller by the rotation of the auger conveyor roller；

In turn, assembly hole is offered on a cover board of the auger conveyor roller, which has and can insert Lead to the shape of the eccentric fulcrum and the support bracket.

6. combine harvester as described in claim 1, which is characterized in that the harvesting device is the harvesting device of hairclipper type, Its pair of right and left can moving knife back and forth driven in the opposite directions to each other above fixing cutter；

The harvesting device has housing；

The housing from described in pair of right and left can one in moving knife extend to above another end, be covered on pair of right and left institute Stating can top between the end of moving knife.