CN103392448B - United reaper - Google Patents

Abstract

The united reaper of the present invention, in order to accurately and securely carry out the manipulation of traveling body (2) and harrow the altitude mixture control of reel (10), being arranged on the control tower (30) that Drive Section (5) is anterior, left and right is arranged side by side stick (31) that organism turns to and the rake to harvesting portion (7) holds together reel (10) and carries out the reel operation bar (32) of descending operation.

Description

United reaper

Technical field

The present invention relates to the united reaper possessing traveling body and the harvesting portion being equipped with Drive Section.

Background technology

Known in the united reaper of said structure have following united reaper: in order to the Level Change corresponding to crop harrows wording depth, and with hydraulic cylinder, rake is held together reel and carry out lift adjustment, by being arranged on the switching knob on the grip part of main shift lever with finger manipulation, make and harrow the electromagnetic type that reel lifting hydraulic cylinder is connected and control valve and switch over action (for example, referring to Japanese Unexamined Patent Publication 11-28944 publication).

According to above-mentioned prior art, though finger manipulation can be passed through carry out harrowing the altitude mixture control of reel trippingly, but owing to this switching knob is arranged on the grip part of main shift lever, so there is a risk that, namely, when carrying out main variable speed operation, cause that owing to hands is not intended to contact switch knob rake holds together reel lifting.Especially for the operator lacking driving experience, it is easy to carry out such being not intended to and operate.

Additionally, in above-mentioned prior art, owing to utilizing the solenoid electric valve of high price to hold together, as rake, the hydraulic valve that reel lifts, so, the cost that can cause hydraulic system increases, further, the action oil supplying cleaning especially is wished in order to make solenoid electric valve suitably action, thus needing to spend time at hydraulic system maintenance management aspects such as oil strainer maintenance and filter replacements.

Summary of the invention

The present invention makes in view of problem as described above, its object is to can accurately and securely carry out the manipulation of body and harrow the altitude mixture control of reel.

In order to achieve the above object, inventive feature scheme is in that, anterior setting at described Drive Section is provided with control tower, on this control tower, left and right has been arranged side by side stick and reel operation bar, described stick is used for making described traveling body turn to, and described reel operation bar holds together reel lifting for making the rake being arranged at described harvesting portion.

According to such scheme, when advancing on harvesting limit, limit, driving operation person can be operated by stick to set body direct of travel, and the wording depth that can be operated by reel operation bar and corresponding to the height of crop, rake be held together reel is adjusted, by the stick being equipped with side by side about change of grip and reel operation bar, can quickly select body to handle and harrow the altitude mixture control of reel.If it addition, use the words of two handss, additionally it is possible to carry out body manipulation and harrow the altitude mixture control of reel simultaneously.

Now, rake holds together the reel operation bar of reel lifting and erects setting as independent bar, therefore needs to be intended for holding operation, can make a mistake and operate or because neglectful contact can by simple operations unlike switching knob.

Turn to accordingly, it is capable to be easily achieved body accurately and reliably and harrow reel altitude mixture control.

In a preferred embodiment, on the left and right directions of described traveling body, described reel operation bar is provided in the outside of described stick.Program tool has the advantage that.

Such as, when stopping body and carry out the repair and maintenance etc. in harvesting portion, occasionally want to lift rake and hold together reel.Now reel operation bar is easily touched by the hands of the operator got off from body.Therefore, even if no longer above to Drive Section, it is also possible to carry out descending operation from ground in the face of rake holds together reel.

Furthermore it is preferred that described reel operation bar erects setting lowlyer than described stick.

According to such scheme, it is generally the use frequency height using frequency ratio reel operation bar of stick in harvesting, additionally, due to only manipulation bar in mobile traveling, so, reel operation bar not easily affects the operation of stick, outstanding in operation convenience.It addition, by making bar height be formed different, even if fast operating is not easy to occur to grip mistake.

In a preferred embodiment, described reel operation bar is arranged to swing along the longitudinal direction, by operating this reel operation bar to the front of neutral position, make described rake hold together reel and carry out down maneuver, by operating described reel operation bar to the rear of neutral position, make described rake hold together reel and carry out vertical motion.

According to such scheme, the lifting action direction that the operation feeling of reel operation bar holds together reel with rake is corresponding, so, the mistake of direction of operating not easily occurs, it is possible to quickly wording depth is adjusted to desired height.

In a preferred embodiment, described stick is arranged to swing along left and right and fore-and-aft direction, by operating this stick in the lateral direction, carry out body towards bar direction of operating to turn to, and, made by the forward action of described stick described harvesting subordinate drop, make described harvesting portion increase by the backward operation of described stick.

According to such scheme, can carry out with reel operation bar holding together reel descending operation along the body manipulation operations of the crop row harvesting portion descending operation corresponding with the harvesting height change caused such as concavo-convex by field and the rake corresponding with plant height or lodging situation by left and right stick arranged side by side, the change of grip of bar and while processing ease carry out.

Additionally, described harvesting portion and make the first hydraulic valve connecting rod link of hydraulic cylinder that this harvesting portion lift, and, described rake holds together reel and makes the second hydraulic valve connecting rod that this rake holds together the hydraulic cylinder that reel lifts link, and, described first hydraulic valve and the second hydraulic valve are disposed in parallel in the inside of described control tower.So, tool has the advantage that.

According to the program, two hydraulic valves can utilize the cheap spool-type selector valve of manual operation mode.The switching valve of manual operation formula, even if the mobile generation resistance of the how many pairs of guiding valves such as the impact because of action well cuts, as long as acting on slightly larger operating physical force and switching over operation, then also be able to disappear deimpurity impact, so, it is not necessary to the cleaning of attention action oil during as utilized solenoid electric valve.

It addition, by being equipped with two hydraulic valves side by side, it is easy to put together by the Pressure oil feeder system of these hydraulic valves and from the pipe arrangement of the oil draining system of hydraulic valve oil extraction.

Additionally, inside crossbearer at described control tower has the rotating fulcrum rotated by the swing in front-rear direction of described stick, this rotating fulcrum links with described first hydraulic valve connecting rod, and, being entrenched on described rotating fulcrum by being loosened by described reel operation bar, this reel operation bar and described second hydraulic valve connecting rod link.So, tool has the advantage that.

According to the program, it is possible to the rotating fulcrum of stick to be also used as the fulcrum shaft of reel operation bar, the simplification of bar supporting structure is effective.

In a preferred embodiment, it is provided with the guidance panel for main shift lever and secondary gear lever at described Drive Section, in the courses of action of described secondary gear lever, is provided with the parking spot for making parking brake action.The program has the following advantages.

In united reaper, many employings are such schemes, that is, carry out many grades of speed changes by the positive reaction force after the secondary gear of the gear type main transformer speed variator speed change to being made up of hydrostatic stepless speed change device and regulate gait of march, be provided with brake in the transmission downstream of secondary gear.This brake is braked action by the operation of stepping on of special pedal, is set as dead ship condition (referring for example to Japanese Unexamined Patent Publication 2002-295719 publication) by being maintained to step on by pedal locking on position.

In above-mentioned prior art, release the pedal entered into and engage and just can advance to release brake, but if carry out the start-up function of body when forgetting to release brake, then electromotor can stop and needing again to start.

In contrast, the such scheme according to the present invention, when advancing, must by secondary shift lever operation to a certain shift position, so, be certain to leave the parking spot making parking brake be braked action.

Therefore, it is possible to make body start when not forgetting to release parking brake.

If arranged it addition, described parking spot is adjacent to low-speed position, then, when body starts, being firstly moved to low-speed position after being removed from parking spot by pair gear lever, will move to high speed position then needs to have a mind to further secondary gear lever is moved operation.Therefore, the probability of the anxious starting of body is made to diminish to high speed position secondary shift lever operation in careless.

Additionally, if arranging between high speed position and the described low-speed position of above-mentioned secondary gear lever and allowing the neutral position that traveling drive system dallies, and, the idle running of traveling drive system is stoped between low-speed position and described parking spot, then such as when stopping in sloping floor, when being operated between low-speed position and parking spot by pair shift lever operation, body will not move because of deadweight in landing, it is possible to is reliably parked in desired position.

Additionally, if described parking brake is configured to, the change gear of secondary gear is fixed on transmission case, stops the rotation of traveling drive system, then the parking brake occurred without sliding can be fabricated to simple in construction, brake that parts are few and cheap.

In a preferred embodiment, described traveling body is supported by crawler travel device, and, the track takeup of this crawler travel device possesses: the crawler tension wheel that crawler belt is applied tension force, the tensioning framework supporting this crawler tension wheel, make this tensioning framework slide and described tension force is adjusted regulate thread spindle, the threaded body screwed on this adjustment thread spindle and engage the support of this threaded body, and, being provided with play between described support and threaded body, described play is used for allowing that this threaded body fascinates relative to described tensioning framework.According to the program, have the following advantages.

In track takeup, regulate thread spindle to be rotatably bearing on track frame and screw on tensioning framework, thread spindle is regulated by rotating operation, and move operation by regulating thread spindle, tensioning framework is made to slide along the rail portion of track frame, thus, crawler tension wheel moves relative to track frame, and the rate of tension of crawler belt is carried out increase and decrease adjustment.

As this track takeup, there is the device such as disclosed in Japanese Patent Publication 2-126984 publication.In the prior art scheme, the frame section (being equivalent to tensioning framework) supporting crawler tension wheel with regulating wheel support axle is entrenched in the rearward end (being equivalent to rail portion) of track frame main body (being equivalent to track frame) sliding freely.Across the regulating wheel support of frame section and the screw thread support of track frame main body, adjustment threaded rod (being equivalent to regulate thread spindle) is installed.Further, regulate the screwed part being fixedly installed on the regulating wheel support of threaded rod and frame section to screw.

In above-mentioned prior art, if the chimeric play between the rail portion of track frame and the tensioning framework chimeric with this rail portion becomes big, then when rotating operation regulates thread spindle, tensioning framework can produce to loosen relative to track frame, thus regulating generation skew between thread spindle and the threaded portion of tensioning framework, it is easy to occur the rotating operation regulating thread spindle to become heavy or situation about cannot be carried out.Thus, in order to easily and carry out efficiently crawler belt rate of tension regulate, be required to brisk and swimmingly rotating operation regulate thread spindle, thus needing to improve the making precision of track frame and tensioning framework, in order to make the rail portion of track frame and tensioning framework be fitted together to loosen minimum state.

Relative to this, in the such scheme of the present invention, when rotating operation regulates thread spindle, support thread body is engaged by the locking support of tensioning framework, thus threaded body rotates relative to regulating thread spindle, accepting by regulating the mobile operation that thread spindle carries out, and move relative to rail portion together with tensioning framework, tensioning framework moves along the rail portion of track frame.Now, even if producing between tensioning framework and rail portion slightly to loosen, owing to locking support allows that threaded body fascinates relative to tensioning framework and makes threaded body fascinate relative to tensioning framework, thus without causing the skew regulating thread spindle with threaded body because of loosening of tensioning framework, tensioning framework can slide swimmingly and makes the crawler tension wheel increase side to track tension or reduce side shifting, further, easily and swimmingly can regulate thread spindle and crawler tension wheel is moved adjustment by rotating operation.

Therefore, when the tensioning carrying out crawler belt regulates, can easily and efficiently carry out lightly and smoothly regulating the rotating operation of thread spindle, and to allow to produce the making precision that the comparison that slightly loosens is thick between the rail portion and tensioning framework of track frame, can make at a low price and obtain track frame and tensioning framework.

In a preferred embodiment, being provided with grain recoverer at the rear of described Drive Section, the anterior setting at described grain recoverer is provided with supporting frame, is provided with fuel tank on the top of this supporting frame.The program has the following advantages.

It is provided with in the united reaper of grain recoverer at the rear of Drive Section, for instance as disclosed in Japanese Unexamined Patent Publication 2002-95331 publication, fuel tank is provided in below After-Body.Or as disclosed in Japanese Unexamined Patent Publication 2000-262133 publication, be provided in below the pedal of Drive Section.

In such prior art, though can by fuel tank being arranged on the lower position of body and making fuel make up easily carry out, but owing to fuel tank is in relatively low position relative to electromotor, therefore need in the fuel feed system from fuel tank to electromotor, equip electrodynamic type supply pump, therefore and accordingly cost improves.

It addition, for the residual volume knowing fuel, and arranging liquid level sensor in fuel tank, the fuel gage arranging mechanically or being electrically connected with this sensor on the guidance panel etc. of Drive Section, this also can increase cost.

In contrast, the such scheme according to the present invention, fuel tank is arranged on the position higher than electromotor such that it is able to supply fuel to electromotor by conducting oneself with dignity dirty.

Therefore, it is possible to save the supply pump for supplying fuel from fuel tank to electromotor, it is possible to correspondingly reduce cost.

Additionally; if will be provided with the grain bunker of pack outlet to link and be bearing in described supporting frame constitutes grain recoverer; the firm supporting frame of supporting grain bunker then can be used for the supporting of fuel tank, realize the reduction of cost thereby through sharing of parts.

Additionally, if the upper surface of the upper surface of described fuel tank and described grain bunker being set the height becoming roughly the same, then when fuel tank is carried out fuel make up, it is possible to supply container is placed into and easily carries out replenishment operation on fuel tank or grain bunker.

If it addition, arrange liquid level perspective formula fuel quantity ga(u)ge on the lateral surface of described fuel tank, then without liquid level sensor and fuel gage, cost can be effectively reduced.

Additionally, if the projecting hook-type supporting arm bent upward on described supporting frame, being snapped in from above by described fuel tank is bearing on this supporting arm, and from above fuel tank is pressed into by the supporting band hung across supporting frame and supporting arm and fixes, then can keep fuel tank with supporting arm, even thus the big Large Copacity fuel tank of weight also is able to carry out the supporting of robust.

And, if being configured to the hood covering described electromotor rotate to body lateral outer side opens wide, this hood rotary motion trace be provided above described fuel tank, then can open wide hood and open wide engine room significantly by swinging, the maintainability of engine environment is excellent.

Below, carrying out as described below by referring to accompanying drawing, the further feature scheme of the present invention and the advantageous effect and the effect that are played by this featured aspects will be apparent from.

In the following description, clearly stating as long as no different, " right side " and " left side " is referred to " right side " and " left side " when watching united reaper from front.

Accompanying drawing explanation

Fig. 1 is the left side view of the united reaper of first embodiment of the invention.

Fig. 2 is the top view of united reaper.

Fig. 3 is the right side view of united reaper.

Fig. 4 is kinematic scheme.

Fig. 5 is the side view in harvesting portion.

Fig. 6 indicates that rake holds together the front view of a part for reel.

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

Fig. 8 is the front view that cropping knife drives 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 rearview of bar operation structure.

Figure 12 is the side view of bar operating mechanism.

Figure 13 is the vertical profile front view of Drive Section.

Figure 14 indicates that the axonometric chart of dust-proof conduit upper.

Figure 15 is the vertical profile front view of transmission case.

Figure 16 indicates that the vertical profile front view of secondary gear and parking brake.

Figure 17 is the vertical profile front view of sidepiece clutch.

Figure 18 is the side view of variable speed operation structure.

Figure 19 is the vertical profile front view of gear lever base portion.

Figure 20 is the top view in shift lever operation portion.

Figure 21 is the top view of transmission case.

Figure 22 is the decomposition side view controlling valve installation portion.

Figure 23 is the side view that crawler travel device is overall.

Figure 24 is the enlarged side view at Figure 23 rear portion.

Figure 25 is the side view of track takeup.

Figure 26 is the longitudinal section of track takeup.

Figure 27 is the top view of track takeup.

Figure 28 is the sectional view of upper track frame.

Figure 29 is the exploded perspective view of track takeup.

Figure 30 indicates that the exploded perspective view corresponding with Figure 29 of the track takeup of other structure.

Figure 31 is the left side view of the united reaper of second embodiment of the invention.

Figure 32 is the top view of united reaper.

Figure 33 is the right side view of united reaper.

Figure 34 is the side view of Drive Section.

Figure 35 is the front view of Drive Section.

Figure 36 is the side view of Drive Section periphery.

Figure 37 is the vertical profile front view of Drive Section.

Detailed description of the invention

Below, with reference to accompanying drawing, each preferred implementation of the united reaper of the present invention is illustrated.Any one embodiment is all based on what the ordinary combine harvester of the example as united reaper illustrated.

Described " ordinary combine harvester " refers to the united reaper putting into the whole bar gathering in straw and carry out the type of threshing process, also referred to as whole stalk feeding type combined harvester.Relative to this, the united reaper clamping/carry the type that the fringe point side to harvesting straw carries out threshing process by feeding the chain strain root side to harvesting straw is called " half feed type combine harvester ", but a part for structure described below is also general for half feed type combine harvester.

[the first embodiment]

First, referring to figs. 1 through Figure 30, the first embodiment is illustrated.

Fig. 1 is the left side view that ordinary combine harvester is overall, and Fig. 2 is top view, and Fig. 3 is right side view.

This united reaper, on the traveling body 2 possessing pair of right and left crawler travel device 1, left and right abreast equipped with the grain recoverer 4 of the sheller unit 3 of axial flow type and pack formula, and, in the front of grain recoverer 4 equipped with Drive Section 5.Front portion at sheller unit 3, the feeder 6 of harvesting straw conveying it is linked with around fulcrum P in the way of swinging up and down freely, the harvesting portion 7 with the harvesting width roughly the same with body transverse width is linked in the front end of this feeder 6, further, in the lower section of Drive Section 5 laterally equipped with water-cooled electromotor 8.

Between the bottom of the front portion of traveling body 2 and feeder 6, erection has hydraulic cylinder 9, and by the expanding-contracting action of this hydraulic cylinder 9, harvesting portion 7 and feeder 6 are integratedly around described fulcrum P oscillating lifting.Front upper in harvesting portion 7 is equipped with rake and holds together reel 10, and this rake holds together reel 10 and rearward harrows to hold together and straw that pull-up is planted.

Harvesting portion 7 possesses: be configured to the pair of right and left of longitudinal wall shape divide standing grain framework 11, hairclipper type harvesting device 12, the straw gathered in laterally is fed to the auger conveyor 13 in the middle of harvesting width and connects the bottom of left and right point standing grain framework 11 runout table 14 each other.Feeder 6 is constituted by holding together conveyer 16 in storage inside the tubular conveying box 15 through in front and back.This holds together conveyer 16 constitute by linking conveying lever 16b across longitudinally wound left and right chain 16a crossbearer, auger conveyor 13 straw laterally given along conveying box 15 bottom surface by hold together conveying, and be 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 on the periphery of auger conveyor cylinder 17, this auger conveyor cylinder 17 is driven in rotation along the certain orientation downward from front, helical wing plate 18 about this laterally gives harvesting straw towards the front end inlet of feeder 6, and, above-mentioned auger conveyor 13 is on four positions of circumference of its periphery part opposed with described front end inlet, it is equipped with each pair rake of left and right carrying out prominent avoidance operation along with cylinder rotation and holds together finger 19, the straw of harvesting in relative broad range is laterally given along runout table 14 and collaborates in the middle of harvesting width, and hold together to refer to that 19 pressure rakes hold together to be supplied to the front end inlet of feeder 6 with rake.

Keep right in the periphery of auger conveyor cylinder 17 position, the auxiliary rake being equipped additionally with giving action in the zone of action in the transverse direction of right side helical wing plate 18 holds together finger 20, the straw that the front being positioned at auger conveyor 13 in the portion transversely left from the front end inlet of feeder 6 is poured on runout table 14 assisted rake to hold together to refer to 20 rakes hold together to the transverse direction of helical wing plate 18 gives the zone of action, and be transported to rake hold together to refer to the zone of action of 19 by the transverse direction effect of giving of helical wing plate 18.

Described rake holds together reel 10 and is bearing in the front portion swinging up and down pair of right and left supporting arm 21 freely around cardinal extremity fulcrum a via frame support bracket 22 axle, can pass through to make supporting arm 21 swing up and down by hydraulic cylinder 23, and change the rake harrowing reel 10 and hold together wording depth, further, it is possible to regulate rake by the front and back along supporting arm 21 slidable adjustment frame support bracket 22 to hold together active position.Such as Fig. 9, as shown in 10, frame support bracket 22 is slid relative to the frame lateral members adjustment, further, by connecting pin 26 being inserted on the multiple position, front and back linking hole 24 and supporting arm 21 possessed on frame support bracket 22 in the link hole 25 possessed, and frame support bracket 22 is fixed.

nullAs shown in Figures 5 and 6，Rake holds together reel 10 to be possessed: driven axle 76 via frame support bracket 22 by horizontal stand reel on the supporting arm 21 of left and right、Link the regular pentagon reel framework 77 being fixed on this reel driving axle about 76、Rotatably horizontal stand prong between five tops, place of left and right reel framework 77 installs axle 78、The many rakes being arranged on prong installation axle 78 side by side hold together with prong 79、With the regular pentagon auxiliary drum framework 80 etc. rotatably obtaining supporting centered by the eccentric axle center c rearward deviateed of the driving axle center b relative to reel framework 77，The terminal part pivot suspension of the rotation restricted arm 33a securing elongated towards rear from the end of each prong installation axle 78 is attached at each top of described auxiliary drum framework 80，When reel framework 77 is to drive rotation (revolution) centered by the b of axle center，With it in linkage，Auxiliary drum framework 80 synchronously servo-actuated rotation centered by eccentric axle center c，Thus，Each prong is installed axle 78 and is rotated towards with reel direction of rotation opposite direction synchronously rotation relative to reel framework 77，Thus，Each prong is installed the prong 79 of axle 78 and is maintained posture down all the time and carry out revolution mobile，Play rake and hold together effect.

Below, the structure of the described hydraulic cylinder 23 that the described hydraulic cylinder 9 of operation harvesting portion lifting and rake hold together reel lifting is illustrated.

Such as Fig. 2 and as shown in Figure 13, it is provided with the box type engine hood 28 covering described electromotor 8 at Drive Section 5, on this Engine Casing 28, is equipped with driving seat 27, and, erect in the front driving seat 27 and be provided with box-like control tower 30.Such as Figure 11, as shown in Figure 12, inside this control tower 30, it is arranged side by side via support plate 39: slide valve type hydraulic valve (being equivalent to the first hydraulic valve) V1 of harvesting portion lifting, with slide valve type hydraulic valve (being equivalent to the second hydraulic valve) V2 that rake holds together reel lifting, and, left and right is erect side by side to be provided with and is carried out, from the above of control tower 30, the stick 31 that body turns to and harvesting portion lifts, with the reel operation bar 32 carrying out harrowing reel lifting, stick 31 and hydraulic valve V1 mechanically link (being that connecting rod links here), reel operation bar 32 and hydraulic valve V2 mechanically link (being that connecting rod links here).Rake holds together the reel operation bar 32 of reel lifting and is provided in relatively that stick 31 is by body lateral outer side place, thus hands easily touches reel operation bar 32 from ground.And, reel operation bar 32 is set to lower than stick 31.

Inside at control tower 30, can have rotating fulcrum 33 by crossbearer in the way of horizontal axle center d rotation, the bracket 34 being fixedly linked on this rotating fulcrum 33 is supported with stick 31, further, from rotating fulcrum 33 can link via connecting rod 36 linkage by the guiding valve s1 of projecting motion arm 35 and hydraulic valve V1 in the way of unitary rotation.By being operated to the front of neutral position N around horizontal axle center d swinging operation stick 31, the guiding valve s1 of hydraulic valve V1 is depressed, hydraulic cylinder 9 shortens, harvesting portion 7 carries out down maneuver, by stick 31 being operated to the rear of neutral position N, the guiding valve s1 of hydraulic valve V1 is pulled up and makes hydraulic cylinder 9 extend, and harvesting portion 7 carries out vertical motion.When stick 31 is returned to neutral position N, hydraulic cylinder 9 stops expanding-contracting action, and the lifting in harvesting portion 7 stops.Stick 31 can by front and back towards fulcrum e centered by be supported on bracket 34 with swinging, carry out body as described later turn to by operating around.

Rake holds together the reel operation bar 32 of reel lifting can loosen the chimeric described rotating fulcrum 33 being supported on crossbearer in the way of horizontal axle center d rotation, from its bar cardinal extremity propeller boss 32a can link via connecting rod 38 linkage by the guiding valve s2 of projecting motion arm 37 and hydraulic valve V2 in the way of unitary rotation.By being operated to the front of neutral position N around horizontal axle center d swinging operation reel operation bar 32, the guiding valve s2 of hydraulic valve V2 is depressed, and hydraulic cylinder 23 shortens, and rake holds together reel 10 and declines.Otherwise, by reel operation bar 32 operates the rear of neutral position N, the guiding valve S2 of hydraulic valve V2 is pulled up and makes hydraulic cylinder 23 extend, rake holds together reel 10 and rises, when reel operation bar 32 is returned to neutral position N, hydraulic cylinder 23 stops expanding-contracting action, and rake holds together the lifting of reel 10 to be stopped.

Such as Figure 13, as shown in Figure 14, above described Engine Casing 28, equipped with fuel tank 90 in the way of being positioned on rear side of driving seat 27, and, in the lateral outer side of Engine Casing 28, erect higher than hood upper surface and be provided with aspirating air pipe 91.On aspirating air pipe 91, being provided with the air entry 92 of dedusting structure inwardly and outwardly, the extraneous air being cleaned through aspirating air pipe 91 is attracted the radiator 93 imported in hood.Aspirating air pipe 91 can swing towards lateral outer side around the fulcrum h of bottom and open wide, and makes radiator 93 expose by unlimited aspirating air pipe 91, it is possible to supply and the cleaning etc. that carry out cooling water are safeguarded.The cover 94 projecting upper inner at aspirating air pipe 91 to the U-shaped down that the oil-feed port 90a projecting from fuel tank 90 upper surface covers, make oil-feed port 90a expose by swinging unlimited aspirating air pipe 91.

Then, the drive mechanism of engine power is illustrated.

As shown in Figure 4, the power carrying out since engine 8 assigns to advance system and operating system, and via the main clutch 40 with tension type, band is delivered to main speed-changing mechanism 41 to the power of advance system.Main speed-changing mechanism 41 is made up of Hyaulic infinite variable speed mechanism (HST), is imported into transmission case 42 from the variable-speed dynamic of the rotating forward (advance) of this main speed-changing mechanism 41 output or reversion (retrogressing).The power being imported into transmission case 42 carries out two grades of speed changes of height by the secondary gear 43 of gear type, afterwards, is branched off on the axletree 45 of left and right via pair of right and left sidepiece clutch 44, thus passing to the crawler travel device 1 of left and right.

Sidepiece clutch 44 is configured to hydraulic operation formula, and, the hydraulic control valve V3(of operation left and right sides clutch 44 is with reference to Figure 11) by described stick 31 around front and back towards swinging of carrying out of fulcrum e and operated.When stick 31 is positioned at neutral position, left and right, the sidepiece clutch 44 equal " joint " of left and right, thus straight line is advanced, by manipulation bar 31 to the left or right, by sidepiece clutch 44 "off" of fore side, only unilateral crawler travel device 1 is driven, thus body 2 of advancing is turned to the direction of operating of stick 31.Sidepiece brake SB and sidepiece clutch 44 link, when disconnect continuation after sidepiece clutch 44 further fell stick 31 time, the sidepiece brake SB of the side that sidepiece clutch 44 is disconnected is braked action, thus to driving the crawler travel device 1 being disconnected to apply braking, carrying out body by pivot turn (pivot stud) and turn to.

From the power of the operating system that engine power branches out, via the threshing clutch 50 with tension type, band is delivered on the power shaft of sheller unit 3, i.e. wind axle (winnowing-fanshaft) 51.It is delivered to the power on wind axle 51, two systems it are branched off into further on the left of body, a part of branch power is delivered to, with 55,56, a horizontal helical axis 52, the horizontal secondary spiral axle 53 given of secondary thing and the swing separatory vessel driving axle 54 etc. given of a thing that sheller unit 3 possesses via transmission, and, branch's power of another part is delivered to the power shaft 58 of the bevel gear box 57 being provided in sheller unit 3 front portion via transmission with 59, by the power that be converted direction by bevel gear box 57, drive process cylinder 60.

The power shaft 58 of bevel gear box 57 and crossbearer drive transmission band 63 linkage that axle 61 acts on via the harvesting clutch 62 with tension type to link at the feeder of described feeder 6 cardinal extremity, drive the power on axle 61 by being delivered to feeder, drive as described below and hold together conveyer 16, auger conveyor 13, harvesting device 12 and harrow reel 10.

On the right side of the back in harvesting portion 7, crossbearer is supported with jackshaft 65, the left part of this jackshaft 65 and feeder drive the right part of axle 61 to link via chain 66 linkage, further, the right part of jackshaft 65 and the auger conveyor being projected on the right side of harvesting portion 7 drive axle 67 to link via chain 68 linkage.

Being equipped with rotation switching mechanism 70 near the right-hand member of jackshaft 65, the rotation around horizontal axle center of jackshaft 65 is converted to the reciprocating rotation around front and back towards axle center by this rotation switching mechanism 70.As shown in Figure 7, rotation switching mechanism 70, by by can by tilting, propeller boss 72 be outer idling freely is arranged on the tilt head 71 linked with jackshaft 65 in the way of tilting axle center f rotation, and being attached at by power transmission shaft 74 via york piece 73 and constitute on a pair fulcrum pin 72a, this pair fulcrum pin 72a is arranged on the periphery diagonal position of this inclination propeller boss 72.By the jackshaft 65 rotation around horizontal axle center, make the positive and negative yaw action of inclination axle center f of described inclination propeller boss 72, thus, make the power transmission shaft 74 linked with the linkage of this inclination propeller boss 72 via fulcrum pin 72a and york piece 73 with predetermined angular reciprocating rotation.

As shown in Figure 8, described power transmission shaft 74 divides the lateral surface forward downward of standing grain framework 11 to extend along right side, the swing arm 75 and the described harvesting device 12 that are attached at power transmission shaft 74 front end link via linking connecting rod 75a linkage, by the reciprocating rotation of power transmission shaft 74, the cropping knife 12a of harvesting device 12 is by back and forth to drive about certain stroke.

Hold together on the right side of the base portion of supporting arm 21 of reel 10 being equipped with rake, relay axis 81 it is provided with one heart with the cardinal extremity fulcrum a of supporting arm 21, this relay axis 81 and auger conveyor drive axle 67 to link via chain 82 linkage, and, relay axis 81 and reel drive axle 76 to link via transmission band 83 linkage.Relay axis 81 is equipped with the drive pulley 84a of major diameter and the drive pulley 84b of minor diameter side by side, on the other hand, drive axle 76 possesses at reel and have single driven pulley 85, by transmission being changed in any one hanging in drive pulley 84a, 84b with 83, it is possible to rake is held together reel 10 and carries out two grades of speed changes of height.

The driven pulley 85 position that arranges on axis direction is set to that the centre position, left and right with drive pulley 84a, 84b of being equipped with side by side is suitable, no matter selects which drive pulley 84a, 84b, and transmission can the state to turn round slightly extension wind with 83.

A pair idler roller 87 acts on transmission with on the slack-side path of 83, the pair of idler roller 87 be arranged on by by swing force and can on the tensioner arm 86 of fulcrum g oscillation, by these idler rollers 87 to transmission with the bending winding of 83, suitably tightening belt can be changed independently with the front and back position harrowing reel 10.

Below, with reference to Figure 15 to Figure 17, the internal structure of above-mentioned main speed-changing mechanism 41 and transmission case 42 is described in detail.

What main speed-changing mechanism 41 adopted is the Hyaulic infinite variable speed mechanism of known features, namely, between the change speed gear box 151 being bonded together and thick plate-like port block (Port ト Block ロ ッ Network) 152, the variable displacement pump 41P of storage axial piston type and the constant volume type motor 41M of axial piston type, makes pump 41P connect with motor 41M by the internal oil passages (not shown) being formed at port block 152.It is delivered to engine power as on the pump shaft 153 of power shaft, and, transmission case 42 will be delivered to from the variable-speed dynamic exported as the motor drive shaft 154 of output shaft.

Lateral outer side at change speed gear box 151 is linked with pump case 155.In this pump case 155, it is assembled with the supply pump CP of the trochoid type driven with one heart by the extension of pump shaft 153.Automatically supply the discharge oil of pump CP, after the oil strainer 156 being installed in change speed gear box 151 upper surface purifies, be supplied to the supply oil circuit (not shown) being formed at port block 152 via the internal oil passages 157 in tank wall.

The discharge oil mass of pump 41P and discharge direction are the Angulation changes by swash plate 158 and change, and carry out the variable speed operation axle 159(of angular adjustment of this swash plate 158 with reference to Figure 18) and be assemblied in the main shift lever 160(of Drive Section 5 with reference to Figure 18) as described later connecting rod link.

In above-mentioned transmission case 42, crossbearer is supported with the first axle 161, jackshaft the 162, second axle 163 and the above-mentioned axletree 45 of pair of right and left, is equipped with above-mentioned secondary gear 43 across the first axle 161 and jackshaft 162.First axle 161 is fixed with and the input gear G2 engaged of the output gear G1 on the case inner end being arranged on motor drive shaft 154, and, spline is provided with the secondary speed change change gear SG being integrally equipped with small-diameter gear G3 and large diameter gear G4.Left and right central part at jackshaft 162 loosens and chimeric is supported with change-speed gearing CG, and this change-speed gearing CG is by by can with the big footpath change-speed gearing G5 of above-mentioned small-diameter gear G3 engagement and can be integrated with the path change-speed gearing G6 that above-mentioned large diameter gear G4 engages.Small-diameter gear G3 is selected to be engaged to big footpath change-speed gearing G5 by making change gear SG move to right in figure, present " low speed " the position L shown in Figure 16 (a), large diameter gear G4 is selected to be engaged to path change-speed gearing G6 by making change gear SG move to left in figure, present " at a high speed " position, by change gear SG is moved to not with the change-speed gearing CG centre position engaged, and present " neutrality " position.

In an axle supporting portion of the first axle 161 being equipped with change gear SG, it is equipped with parking brake PB.This parking brake PB, fixes the transmission downstream engaging linkage with this change gear SG by stoping the rotation of change gear SG, and structure is as follows.

On the lateral surface of the large diameter gear G4 in change gear SG, projecting have an engagement pawl 165, and, change gear SG more can move to engagement pawl projected direction than above-mentioned " low speed " position.On the other hand, in the axle supporting portion of the first axle 161, it is opposed to equipped with the keep plate 166 being fitted and fixed with on case sidewall from axis direction with change gear SG.When change gear SG ratio " low speed " position is more moved to engagement pawl projected direction, presenting the " STOP " position P shown in Figure 16 (b), above-mentioned engagement pawl 165 engages with the lock hole 167 being formed at keep plate 166, and the rotation of change gear SG is prevented from.At this, even if when the engagement pawl 165 of change gear SG engages with keep plate 166, also can maintain the engagement of small-diameter gear G3 and big footpath change-speed gearing G5, the drive system engaging the transmission downstream of linkage with change-speed gearing CG be fixed, thus crawler travel device 1 is fixed.

In the left and right of jackshaft 162, so that chimeric the clutch gear G7 being constituted sidepiece clutch 44 can be supported with along loosening in the way of axis direction slip.On the second axle 163, loosening being fitted together to is supported with a pair output gear G8 engaged with each clutch gear G7.By making clutch gear G7 slide to the inside, engage with the internal-gear G9 being formed at above-mentioned change-speed gearing CG center and become " clutch joint " state.By making clutch gear G7 slide laterally, obtain from above-mentioned internal-gear G9 " clutch disconnection " state departed from.Under normal circumstances, by the outer spring 168 being arranged on jackshaft 162, force of each clutch gear G7 being slided towards " clutch joint " direction.Clutch gear G7 wider width, no matter at " clutch joint " or when " clutch disconnection ", can both engage with output gear G8 all the time.

Each output gear G8 is integrally attached to loosen to be fitted together to and is supported on the middle small-diameter gear G10 of the second axle 163, and, each middle small-diameter gear G10 engages with the big footpath reduction gearing G11 being fixed on each axletree 45 medial end respectively, is decelerated from the power of each output gear G8 output and is delivered to left and right axletree 45.

Therefore, when left and right sides clutch 44 is in " clutch joint " state, exporting the power of constant speed from the output gear G8 of left and right, left and right crawler travel device 1 is driven with constant speed, thus straight line is advanced.When unilateral sidepiece clutch 44 is in " clutch disconnection " state, cut-off towards the power transmission of unilateral crawler travel device 1, only driving opposite side crawler travel device 1, turning to thus carrying out body.

As shown in Figure 17, shaft hub 169 is from each clutch gear G7 towards lateral, and at the outer operation panel 171 that is fixed with of this shaft hub 169 upper spline, the slip towards outside of described operation panel 171 is moved and is stopped ring 170 and stops.Across thrust bearing 172, the annular piston 173 opposed with this operation panel 171 is equipped on the wall of transmission case 42.Annular piston 173 passes in and out movement laterally by the supply of force feed, thus bulldozing operation plate 171, overcomes the active force of spring 168 to make clutch gear G7 disconnect direction slip laterally, namely to clutch.

The sidepiece brake SB acting on above-mentioned clutch gear G7 it is provided with near the left and right end portions of jackshaft 162.This sidepiece brake SB is made up of many plates friction brake, this many plates friction brake alternately overlaps on axis direction the friction plate 175 being fastened on shaft hub 169 periphery and the friction plate 177 being fastened on fixing bearing housing 176 inner circumferential, clutch gear G7 cross " clutch disconnection " position and further out Slideslip time, friction plate 175,177 that operation panel 171 crimping overlaps and clutch gear G7 is applied frictional damping.

Therefore, when the clutch gear G7 of side slides laterally and arrives " clutch disconnection " position, drive the crawler travel device 1 of the side being disconnected to dally, carry out body slowly and turn (shallowing turn).When this clutch gear G7 continues to slide laterally, by sidepiece brake SB, the crawler travel device 1 driving the side being disconnected is braked, carries out pivot turn (pivot stud).

Below, with reference to Figure 18 to Figure 22, the operation structure of above-mentioned main speed-changing mechanism 41, secondary gear 43 and sidepiece clutch 44 is illustrated.

Erect in driving seat 27 front of Drive Section 5 and be provided with control tower 30, and, in the left side of driving seat 27 equipped with sidepiece guidance panel (example of guidance panel) 182, the secondary gear lever 197 of this sidepiece guidance panel 182 main shift lever 160 and secondary gear 43 for operating above-mentioned main speed-changing mechanism 41.As shown in figure 18, the supporting frame 183 of supporting sidepiece guidance panel 182 is provided with bracket 184, so that bar cardinal extremity parts 185 can be provided with in the way of horizontal fulcrum B rotation on this bracket 184.The upper end of these bar cardinal extremity parts 185 by can around front and back towards fulcrum about C fascinate in the way of be linked with above-mentioned main shift lever 160.As shown in figure 20, high infraversion malposition shape handle hole (examples of the courses of action of main shift lever) 186 swinging operation forwards, backwards that main shift lever 160 can be formed on sidepiece guidance panel 182 along opening.

The other end of above-mentioned bar cardinal extremity parts 185 and be attached at the variable speed operation arm 187 of jag of above-mentioned variable speed operation axle 159, linked by push-pull bar 188 linkage, when main shift lever 160 is in " stopping " position of the end difference being set in handle hole 186, above-mentioned swash plate 158 becomes the angle orthogonal with pump shaft 153, pump 41P does not discharge, and motor 41M stops.When main shift lever 160 is operated into the forward operation path in front from " stop position ", swash plate 158 fascinates the angle corresponding with bar operational ton to positive direction, and force feed is discharged to positive direction, and motor drive shaft 154 rotates forward, and carries out advance speed change.When main shift lever 160 is operated into the back operation path at rear from " stopping " position, swash plate 158 fascinates the angle corresponding with bar operational ton to opposite direction, and force feed is discharged to opposite direction, and motor drive shaft 154 reverses, and carries out retreating speed change.

As shown in figure 19, above-mentioned horizontal fulcrum B is equipped with the butterfly spring 189 rotating applying frictional resistance to bar cardinal extremity parts 185.This frictional resistance is set to that the variable speed operation counter-force than coming from variable speed operation axle 159 via push-pull bar 188 transmission is big, thereby, it is possible to be frictionally held on arbitrary operating position by main shift lever 160.

Above-mentioned variable speed operation axle 159 acts on whirling vibration by pulsation of hydraulic pressure etc., in order to suppress this vibration to the transmission of main shift lever 160, is provided with the vibroshock 190 of rubber type or spring in the midway of push-pull bar 188.

As shown in Figure 16 and Figure 18, the shift fork 191 of the above-mentioned change gear SG of the secondary gear 43 of operation, being supported in the way of can be fixed on the slip of the fulcrum 192 on transmission case 42 along crossbearer, the motion arm 193 engaged with this shift fork 191 is rotatably supported around the fulcrum d of fore-and-aft direction via operation axle 194.Four positions of axis direction on fulcrum 192 are formed with locating slot 195, and shift fork 191 can be stably maintained on " at a high speed ", " neutrality ", " low speed " and " STOP " position.

As shown in Figure 20, above-mentioned sidepiece guidance panel 182 is provided with the handle hole 186 of above-mentioned main shift lever 160, and, at relatively this handle hole 186 by driving the handle hole (examples of the courses of action of secondary gear lever) 196 being provided with linearity on the position of seat 27, the secondary gear lever 197 shorter than main shift lever 160 is projecting so as to forward/backward operation from handle hole 196.This pair gear lever 197 being supported on above-mentioned bracket 184 in the way of horizontal fulcrum e swing, the motion arm 197a that extends from bar cardinal extremity and linking via action bars 199 linkage with the action bars 198 being attached at aforesaid operations axle 194 outer end.

In the courses of action of secondary gear lever 197, " at a high speed " position H of mobile traveling when being suitable to non-operation it is set with in its rearmost, it is set with " neutrality " position N in H front, is provided with in more front and is suitable to " low speed " position L that operation is advanced, be provided with " STOP " position P at forefront.When pair gear lever 197 is moved to " STOP " position P from " low speed " position L, as described above, change gear SG maintains and the change-speed gearing CG engagement engaged, without there is idling conditions.It is thus possible, for instance when stopping advancing and hanging up parking brake PB on the inclined-planes such as ramp, body will not the landing because of deadweight.

As shown in Figure 21 and Figure 22, transmission case 42 is linked with control valve V, this control valve V force feed is controlled to the discharge of the annular piston 173 of operation left and right sides clutch 44.Transmission case 42 is configured to left and right segmenting structure, controls valve V and is tightening and linked on the seat surface 42a formed across the composition surface of transmission case 42 via liner 201 and intermediate plate 102 bolt.The force feed supply and discharge port 103 formed on the installed surface controlling valve V connects connection with the port 104 formed on seat surface 42a, and, carry out oil sealing at its connecting portion by O 105.

The motion arm 106 controlling valve V links via stick 107 linkage linking mechanism (not shown) with erect setting from above-mentioned control tower 30.When stick 107 is positioned at neutral position, left and right, left and right sides clutch 44 all becomes " clutch joint " state, thus carrying out straight line traveling.When either side manipulation bar 107 to the left and right, become " clutch disconnection " state by the sidepiece clutch 44 of fore side, only make traveling body 2 turn to the direction of operating of stick 107 by the driving of unilateral crawler travel device 1.When fell further after opening operation sidepiece clutch 44 stick 107 time, the sidepiece brake SB action of the side that sidepiece clutch 44 is disconnected, to driving the crawler travel device 1 being disconnected to apply braking, the body being made as above pivot turn (pivot stud) turns to.Above-mentioned stick 107 is configured to all around carry out cross operation, and, the control valve (not shown) of stick 107 and hydraulic cylinder 9 links, above-mentioned hydraulic cylinder 9 is made to be undertaken under reach by the forward action of stick 107, harvesting subordinate is made to drop, hydraulic cylinder 9 carries out elongation action by its backward operation, makes harvesting portion increase.

Below, the detailed construction of crawler travel device 1 is illustrated.

As shown in figure 23, crawler travel device 1 includes: track frame 213, links framework 212 for a pair via front and back and is supported on the body framework 2A of traveling body 2；Ground connection roller 214, is bearing in the multiple positions on the fore-and-aft direction of this track frame 213 idling freely；Crawler driving whell 216, is bearing on the transmission case 42 being located at above-mentioned body framework 2A；Track takeup 220, possesses the crawler tension wheel 221 being positioned near above-mentioned track frame 213 rear end；Upper roller 218, is bearing in the supporting frame 217 that the pars intermedia from above-mentioned track frame 213 extends out idling freely；And endless track 219, it being wound on above-mentioned each wheel body 214,216,218,211, rubber is made.

When the power carrying out since engine 8 is delivered to transmission case 42, by this drive force crawler driving whell 216 march forward side or retreat side rotate, thus, endless track 219 is driven by crawler driving whell 216 while being maintained regulation tensioning state by crawler tension wheel 221, marches forward side or retreat side and rotate along each ground connection roller 214, upper roller 218, crawler tension wheel 221.

As shown in figure 23, above-mentioned track frame 213 possesses: above-mentioned each ground connection roller 214 is supported bottom track frame 213a and be attached at the cornue shape upper track frame 213b on the upside of the track frame 213a of this bottom.As shown in figure 28, above-mentioned upper track frame 213b is combined into a cornue shape by bending panel beating 213c by two and carries out welding and constitute.

As shown in Figure 24, Figure 25 etc., track takeup 220 includes: be made up of above-mentioned upper track frame 213b and be arranged on the rail portion 222 of above-mentioned track frame 213 rearward end, front is embedded in this rail portion 222 and obtains the tensioning framework 223 of supporting, the above-mentioned crawler tension wheel 221 being bearing in the rearward end of this tensioning framework 223 via fulcrum union body 224 and fulcrum 225 idling freely and the adjustment thread spindle 228 installed across the screw thread supporting mass 226 being arranged on upper track frame 213b and the threaded body 227 being arranged on tensioning framework 223 sliding freely.

As shown in Figure 25, Figure 27, Figure 29, above-mentioned screw thread supporting mass 226 possesses: rotatably inserts the screw thread axis hole 226a being positioned at the hexagonal axis shape operating portion 228a regulating thread spindle 228 leading section and abuts with the flange 228b regulating thread spindle 228 around this screw thread axis hole 226a and play the stop surface 226b that holds gear effect, overcome and be applied to the load regulating thread spindle 228 rear end side due to the tension force of crawler belt 219, hold gear and support adjustment thread spindle 228.

As shown in Figure 25 to Figure 27, above-mentioned threaded body 227 is screwed in the rear end side regulating thread spindle 228 by female threaded hole.This threaded body 227 is by locking support (example of the support of locking threaded body) 230 supportings being arranged in tensioning framework 223 rearward end, together move relative to the rail portion 222 of track frame 213 with tensioning framework 223, and, rotate not with respect to tensioning framework 223, and then, somewhat fascinate relative to tensioning framework 223.

That is, in track takeup 220, regulate thread spindle 228 using the screw thread supporting mass 226 of track frame 213 as reaction member, the tension force of crawler belt 219 is overcome to be maintained on adjusting position via threaded body 227 by tensioning framework 223, thus, crawler tension wheel 221 is maintained in the installation site of regulation, crawler belt 219 tensioning operation is become the tensioning state of regulation and maintains this state.Now, detachable spline body 231 is arranged on the operating portion 228a regulating thread spindle 228, the hexagon spline hole 231a(of spline body 231 is with reference to Figure 29) engage with operating portion 228a, the bent sheet 231b(of spline body 231 is with reference to Figure 29) abut with screw thread supporting mass 226 and by spline, thus being adjusted the spline of thread spindle 228.It addition, such as Figure 25, as shown in Figure 27, by being arranged on by detachable locking pin 232 on the operating portion 228a regulating thread spindle 228, and prevent coming off of branch turning body 231.

In order to the tension force of crawler belt 219 is adjusted, pulls down spline body 231 and locking pin 232 from the operating portion 228a regulating thread spindle 228, rotate this operating portion 228a.Then, regulate thread spindle 228 rotate, make threaded body 227 forwards or rearward move as reaction member the screw thread supporting mass 226 of track frame 213, thus, tensioning framework 223 in company with threaded body 227 together along rail portion 222 forwards or rear move.Now, even if somewhat producing to loosen between tensioning framework 223 and rail portion 222, owing to threaded body 227 fascinates relative to tensioning framework 223 therewith, so without regulating generation skew between thread spindle 228 and threaded body 227, regulate thread spindle 228 it is thus possible to easily rotate swimmingly, tensioning framework 223 is moved operation.By the movement of tensioning framework 223, when crawler tension wheel 221 forwards moves relative to track frame 213, the rate of tension of crawler belt 219 reduces, and on the contrary, when crawler tension wheel 221 rearward moves relative to track frame 213, the rate of tension of crawler belt 219 increases.

Such as Figure 25 to Figure 27, as shown in Figure 29, the locking support 230 of tensioning framework 223 includes: be fixedly installed in tensioning framework 223 rearward end and can by keeper 233 that above-mentioned threaded body 227 is accommodated in reception hole 233a, be fixedly installed on the rear locking body 234 on the above-mentioned fulcrum 225 of tensioning framework 223 and above-mentioned fulcrum union body 224 at this keeper 233 rear and detachably embed the front locking body 235 of installation from the outside of above-mentioned keeper 233.Rear locking body 234 and front locking body 235 are provided with mean for screw thread axis hole 234a, 235a that above-mentioned adjustment thread spindle 228 is inserted.

Namely, in locking support 230, threaded body 227 rear surface being accommodated in keeper 233 is played and is held gear effect by rear locking body 234, threaded body 227 front surface being accommodated in keeper 233 is played and holds gear effect by front locking body 235, thus threaded body 227 is carried out locking supporting so that it is together can move in front-rear direction relative to rail portion 222 with tensioning framework 223.It addition, in locking support 230, the surrounding of threaded body 227 is played around threaded body reception hole 233a and holds gear effect by keeper 233, so stops threaded body 227 to rotate relative to tensioning framework 223.And, locking support 230 is by being respectively provided with slightly play (circulation) front locking body 235, rear locking between body 234 and keeper 233 and threaded body 227, and allow threaded body 227 slightly to fascinate relative to tensioning framework 223, absorb tensioning framework 223 loosening relative to rail portion 222.

Above-mentioned track takeup 220 may be used without such structure as shown in figure 30.

When track takeup 220 shown in Figure 30, the fulcrum 225 of crawler tension wheel 221 is directly attached at the rearward end of tensioning framework 223.It addition, the rear locking body 234 of locking support 230 is attached on fulcrum 225 and tensioning framework 223.It addition, the horizontal side of the keeper 233 of locking support 230 and tensioning framework 223 and upper surface link.

[the second embodiment]

Below, with reference to Figure 31 to Figure 37, the second embodiment of the united reaper of the present invention is illustrated.

As shown in Figure 31 to Figure 35, driving seat 27 and be arranged on the hood 326 of box like, the electromotor 8 being equipped on the body framework 2A of traveling body 2 is surrounded by this hood 326.

Blocked by side plate 328 between sidepiece guidance panel 182 and drive pedal 327.This side plate 328 is edge and sidepiece guidance panel 182 threaded connection at its upper end only, and the lower edge 328a that folds of side plate 328 is pressed into and is locked on drive pedal 327, and the back edge 328b of side plate 328 is pressed into locking by hood 326.

Above-mentioned grain recoverer 4 is configured to pack and reclaims the mode of grain, possesses: the grain bunker 332 that is stored up by the grain after being sorted by sheller unit 3, engages and keeps the bag of reclaiming bag 333 to accept rod 334 and operation table top 335 etc..

Grain bunker 332 is concatenated and is bearing in the top erectting a pair, the front and back supporting frame 336 arranged from body framework 2A, is provided with front and back and possesses the outlet 338 of spool valve 337 for a pair bottom it.The front and back one horizontal cantilever shape over the ground configuration respectively of the corresponding each outlet 338 of rod 334 accepted by bag, and multiple reclaiming bags 333 are inserted into bag and accept on rod 334 by hanger bearing.

Outboard end at operation table top 335 is equipped with tall auxiliary mesa 339, this tall auxiliary mesa 339 can swing switch to the work posture being connected with operation table top 335 and substantially vertical erect pack up posture.Take the pack operator in operation table top 335 and tall auxiliary mesa 339, the reclaiming bag 333 being arranged on bag undertaking rod 334 is loaded into successively below outlet 338 from reclaiming bag nearby, close the securing member (not shown) of reclaiming bag 333 upper end open of purseful and it is taken from bag undertaking rod 334, the reclaiming bag 333 of purseful is temporarily placed in tall auxiliary mesa 339 or is placed in farm.The gear waist arm 340 leaning on health for the pack operator stood on table top is had from the supporting frame 336 of front side is extended.

With reference to Figure 36 and Figure 37, the front side supporting frame 336 being supported with grain bunker 332 is constituted by being linked up by pair of right and left pillar frame 336a with lower transverse frame 336b, 336c, and the horizontal frame 336c of downside extends inside body and links with the right flank of sheller unit 3.On the top of each pillar frame 336a towards front projecting oriented hook supporting arm 341 bent above, this supporting arm 341 snaps in from above and is supported with fuel tank 342.Snapping in the fuel tank 342 of supporting, the supporting band 343 hung across supporting frame 336 and supporting arm 341 terminal part is pressed into fixing from above.

From the fuel that fuel tank 342 flows out by deadweight via supply pipe 344, it is bearing in the water separator 345 on supporting frame 336 through mounted and be flowed in fuel filter 346, be removed the cleaning fuel after moisture and impurity and flowed down the supply fuel-injection pump 330 to electromotor 8.Return to the top of fuel tank 342 via recurrent canal 347 from the remainder of the fuel of fuel-injection pump 330 discharge.

As the electromotor 8 surrounded by hood 326, what adopt is erect in lateral outer side to be provided with the water-cooled horizontal arrangement type Diesel engine of radiator 348, and the extraneous air supply being imported into via being continuously disposed in the aspirating air pipe portion 349 of hood 326 lateral outer side is to radiator 348.Above-mentioned aspirating air pipe portion 349 is configured to the lengthwise box like higher than hood 326 upper surface, and, it is formed with the air entry 350 with Air Filter in side lateral out at it, through air entry 350, the extraneous air by dedusting is attracted by radiator fan 348a and is directed into radiator 348, cooling, air discharging after radiator 348 flows out to inside body, is thus taken a breath in engine room inside.

Hood 326 is configured to, and opens wide by swinging towards lateral outer side centered by the fore-and-aft direction fulcrum h of lower end outside it, it is possible to being opened wide significantly by engine room, fuel tank 342 is arranged in the top of this hood 326 rotary motion trace.

Fuel tank 342 is configured to box-shaped with sheet metal structural, surface has the supply mouth 342a with cap by lateral outer side position is projecting thereon, and, the fuel quantity ga(u)ge 351 being equipped with upper and lower side on the side lateral out of fuel tank 342 and connect inside case, this fuel quantity ga(u)ge 351 is made up of transparent tube, it is possible to from outside fluoroscopic observation level of fuel.The upper surface of fuel tank 342 is configured to the height roughly the same with grain bunker 332 upper surface of grain recoverer 4, when carrying out fuel make up, it is possible to mention refueling container and place it on fuel tank 342 or grain bunker 332.

The supporting frame 336 of front side is installed and is supported with the air filter 352 that the suction system with electromotor 8 is connected with pipe arrangement.Suction nozzle 353 extends upward from air filter 352, is provided with precleaner 354 at its end, will be supplied to electromotor 8 as fuel air by the clean air after precleaner 354 and air filter 352 dedusting.Possess the suction nozzle 353 of precleaner 354 to insert and erect in the space being arranged between sheller unit 3 and grain bunker 332 to be formed, link and be bearing on the side of grain bunker 332.

About other structure, due to roughly the same with the first embodiment, therefore the description thereof will be omitted.

[other embodiment]

Above each preferred implementation of the united reaper of the present invention is illustrated, but the present invention is not limited to such scheme.For example, it is also possible to be following such scheme.

(1) it is also possible that embodiment, i.e. above-mentioned hydraulic cylinder 23 is carried out position control so that rake hold together reel 10 be elevated to the height corresponding with the operating position of above-mentioned reel operation bar 32.That is, in the opereating specification of reel operation bar 32, the decline extreme lower position that reel 10 is held together with rake in the end of decline side is corresponding, the rising extreme higher position that reel 10 is held together with rake in the end of uplifted side is corresponding, when operating reel operation bar 32 between both ends, make rake hold together reel 10 and lift and stop at the height corresponding with the operating position of reel operation bar 32.

(2) as parking brake PB, it is possible to utilize the shoe brake of multi-plate friction brake or internal expanding.

(3) as main speed-changing mechanism 41, it is also with many grades of gears of gear type or other type of gear.

(4) in this second embodiment, it would however also be possible to employ following such scheme.

Such as, it is possible to by fuel tank 342 can be bearing on supporting frame 336 in the way of slidingtype up and down motion, thereby, it is possible to fuel tank 342 is dropped to lower position to carry out fuel make up.Additionally, it is possible to do not use grain bunker 332, but be bearing on above-mentioned supporting frame 336 by higher grain box (not shown), grain recoverer 4 is constituted.It addition, the lengthwise window covered by transparent resin plate or glass plate also can be arranged on the side of the fuel tank 342 of sheet metal structural, thus constituting the fuel quantity ga(u)ge 351 of liquid level Clairvoyant type.It addition, in order to make structure more simplify, it is also possible to form fuel tank 342 with the semi-transparent resin material that can have an X-rayed level of fuel from outside, using the whole case side fuel quantity ga(u)ge as liquid level Clairvoyant type.

Finally, in order to easily carry out with accompanying drawing with reference to and in the bracket of claims, add corresponding accompanying drawing labelling, but, the addition of these accompanying drawing labellings should not be construed as limiting the invention to the scheme of diagram.

Claims (23)

1. a united reaper, possesses sheller unit, is provided in the grain recoverer of the side, left and right of described sheller unit, is provided in the Drive Section in the front of described grain recoverer and is connected to the anterior feeder of described sheller unit, it is characterised in that

At the fitted underneath electromotor of described Drive Section,

In the toe lateral of described sheller unit, insert power shaft along body left and right directions；

Power from the operating system of described electromotor is inputted to being inserted through the end side of engine side described in the power shaft of described sheller unit,

In the front side of described sheller unit equipped with bevel gear box, the power of the described operating system being input to the power shaft of described sheller unit inputs to the power shaft of described bevel gear box via transmission band,

In the inside of described sheller unit equipped with the process cylinder rotated towards axle center around front and back,

In described bevel gear box, the power shaft of described bevel gear box and described front and back link towards axle center, the power of the power shaft being imported into described bevel gear box is converted to towards body rear by direction in this bevel gear box, transmits towards axle center from the front side of described process cylinder along described front and back.

2. united reaper as claimed in claim 1, it is characterised in that

The power of described operating system is transferred to the power shaft of described bevel gear box from the described power shaft branch being inserted through described sheller unit,

Cardinal extremity crossbearer at described feeder has feeder to drive axle,

The power of the power shaft being delivered to described bevel gear box drives axle branch to export to described feeder.

3. united reaper as claimed in claim 2, it is characterised in that

It is linked with harvesting portion in the front end of described feeder,

The power of the described operating system being delivered to described feeder driving axle exports to described harvesting part.

4. united reaper as claimed in claim 3, it is characterised in that

The power of described operating system exports from the described input axial Liang Ge system branch being inserted through described sheller unit, being transmitted to branch's power in the power of the described operating system of said two system branch, a side by the helical axis laterally given to a thing of described sheller unit, branch's power of the opposing party is transmitted to handled cylinder and described feeder.

5. united reaper as claimed in claim 4, it is characterised in that

Power in the power of described operating system, to the horizontal helical axis transmission given of a described thing is also transmitted to the secondary spiral axle of described sheller unit.

6. united reaper as claimed in claim 4, it is characterised in that

Power in the power of described operating system, to the horizontal helical axis transmission given of a described thing is also driven axle to be transmitted to the swing separatory vessel of described sheller unit.

7. the united reaper as according to any one of claim 1～6, it is characterised in that

Cardinal extremity crossbearer at described feeder has feeder to drive axle；

The power shaft of described bevel gear box and described feeder drive axle to link via the linkage of transmission band, thus, are imported into described feeder via this transmission band to the power that the power shaft of described bevel gear box inputs and drive the end side of axle.

8. united reaper as claimed in claim 7, it is characterised in that

Being provided with the harvesting clutch of tension type on described transmission band, the described harvesting clutch with tension type is to this transmission band effect.

9. united reaper as claimed in claim 7, it is characterised in that

It is provided with the transmission band transmitting power from the power shaft of the axial described bevel gear box of the described input inserting described sheller unit, and, at the pars intermedia with described bevel gear box, it is provided with the transmission band of one end transmission power driving axle to described feeder.

10. united reaper as claimed in claim 8, it is characterised in that

It is provided with the transmission band transmitting power from the power shaft of the axial described bevel gear box of the described input inserting described sheller unit, and, at the pars intermedia with described bevel gear box, it is provided with the transmission band of one end transmission power driving axle to described feeder.

11. the united reaper as according to any one of claim 1～6, it is characterised in that

Cardinal extremity crossbearer at described feeder has feeder to drive axle；

It is output to the power of another side of the described power shaft inserted in described sheller unit via transmission band, is inputted by driving the end side of axle to described feeder.

12. united reaper as claimed in claim 11, it is characterised in that

On described transmission band, being provided with the harvesting clutch of tension type, the described harvesting clutch with tension type is to this transmission band effect.

13. the united reaper as according to any one of claim 1～6, it is characterised in that

Link harvesting portion in the front end of described feeder, in this harvesting portion, have rake to hold together reel, harvesting device and auger conveyor along described body left and right directions is extended；

The feeder of described feeder drives axle extended along described body left and right directions, is imported into described feeder and drives the power of end side of axle to drive another side of axle to be delivered separately to described rake from described feeder to hold together reel, described harvesting device and described auger conveyor.

14. united reaper as claimed in claim 13, it is characterised in that

The anterior crossbearer driving axle at described feeder has jackshaft, and described feeder drives the other end of axle and the one end of described jackshaft to link via chain linkage.

15. united reaper as claimed in claim 14, it is characterised in that

In the other end of described jackshaft, be equipped with rotation switching mechanism, described rotation switching mechanism the rotation around horizontal axle center of described jackshaft is converted to around front and back towards reciprocating rotation.

16. united reaper as claimed in claim 15, it is characterised in that

Forwards being extended with power transmission shaft from described rotation switching mechanism, described power transmission shaft transmits the reciprocating rotation of this rotation switching mechanism, and the leading section linkage of this power transmission shaft is attached on described harvesting device.

17. the united reaper as according to any one of claims 1 to 3, it is characterised in that

The power of described operating system from be inserted through described sheller unit described power shaft another side before and after branch into the power towards body front and export towards the power at body rear.

18. united reaper as claimed in claim 17, it is characterised in that

In described sheller unit, each extend over along described body left and right directions and be provided with a horizontal helical axis given of thing and the horizontal secondary spiral axle given of secondary thing；

The described power towards body rear, via transmission band, transmits to a described helical axis and described secondary spiral axle respectively.

19. united reaper as claimed in claim 18, it is characterised in that

In described sheller unit, swing separatory vessel is had to drive axle along described body left and right directions is extended；

The described power towards body rear drives axle transmission via transmission band to described swing separatory vessel.

20. united reaper as claimed in claim 17, it is characterised in that

The described power towards body front is input to the power shaft of described bevel gear box.

21. the united reaper as according to any one of claim 1～6, it is characterised in that

Power from the advance system of described electromotor is passed to main speed-changing mechanism by band.

22. united reaper as claimed in claim 21, it is characterised in that

The output portion of the power of described advance system is provided in the output portion than the power of described operating system further from the position of described electromotor.

23. the united reaper as according to any one of claim 1～6, it is characterised in that

The described power shaft being inserted through described sheller unit is the wind axle of described sheller unit.