CN208285842U - harvester - Google Patents

Abstract

A possibility that the utility model provides a kind of harvester, and the adjusting operation of a positional relationship between operating stick and control valve affects the positional relationship between another operating stick and control valve is small.Has: carrying out steering operation and extract the bidirectional operation bar (13) of the descending operation in portion with ordered state in the lateral direction；By swinging operation in the front-back direction, carry out dialling one-way operation bar (14) of the standing grain wheel relative to the descending operation in the portion that extracts；The first swing fulcrum (61) of front-rear direction swinging operation in bidirectional operation bar (13) and the second swing fulcrum (40) of the front-rear direction swinging operation in one-way operation bar (14) are respectively set, and swing the control valve (V2) of operation by the front-rear direction of bidirectional operation bar (13) and are made of the control valve (V3) of the front-rear direction swing operation of one-way operation bar (14) a valve cell (VB).

Description

Harvester

Technical field

The utility model relates to a kind of harvesters, are provided on the top of the control tower for the front for being set to Drive Section Bidirectional operation bar carries out the steering operation of travel machine body and extracts portion using the swinging operation of front-rear direction and left and right directions Descending operation；One-way operation bar dial standing grain and takes turns relative to the portion that extracts using swinging operation in the front-back direction Descending operation.

Background technique

As described above, as the harvester of bidirectional operation bar and one-way operation bar is provided with, for example, being that following [1] is remembered The structure of load, the bidirectional operation bar carry out the steering behaviour of travel machine body using the swinging operation of front-rear direction and left and right directions Make and extract the descending operation in portion, the one-way operation bar using swinging operation in the front-back direction, dial standing grain take turns relative to The descending operation for extracting portion.

[1] have on the top of the control tower for the front for being set to Drive Section: bidirectional operation bar, using front-rear direction and The swinging operation of left and right directions carries out the steering operation of travel machine body and extracts the descending operation in portion；One-way operation bar utilizes Swinging operation in the front-back direction dial standing grain wheel relative to the descending operation for extracting portion.Also, utilize the operation of each bar Carry out operation control valve, be configured to operate respectively be made of hydraulic actuator extract portion's lifting device and/or rotary operating device, And dial the lifting operation device of standing grain wheel (referring for example to patent document 1).

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2007-159468 bulletin is (referring to paragraph [0032], [0038] and attached drawing [Figure 11], [Figure 12])

Utility model content

In the structure shown in patent document 1, and with the bidirectional operation bar and one-way operation on the top for being set to control tower Bar, using fairly simple structure, reliably operation extracts portion's lifting device and/or rotary operating device and dials standing grain use respectively The lifting operation device of wheel is useful in this regard.

In this configuration, the front-rear direction of the fulcrum of the front-rear direction wobbling action of bidirectional operation bar, one-way operation bar The fulcrum of wobbling action is made of a common axis, and control valve related with each operating stick is supported on common valve body.Cause This, is wanting to adjust any one operating stick in bidirectional operation bar and one-way operation bar and the position between its corresponding control valve In the case where setting relationship, change the rotation angle of common fulcrum, and be likely to result in another operating stick with and this another Positional relationship between the corresponding control valve of operating stick changes.Therefore, it is being difficult simply to carry out any one operating stick and control This aspect of the adjusting operation of positional relationship between valve, there are also rooms for improvement.

The utility model is dedicated to the axle support structure of bidirectional operation bar and one-way operation bar, by simple structure, mentions Adjusting for a positional relationship between operating stick and control valve is operated to the position between another operating stick and control valve The small harvester of a possibility that relationship affects.

Means for solving the problems

The harvester of the utility model is characterized in that, on the top of the control tower for the front for being set to Drive Section, with Ordered state has on left and right directions: bidirectional operation bar, by the swinging operation of front-rear direction and left and right directions, is travelled The steering operation of body and the descending operation for extracting portion；One-way operation bar carries out dialling standing grain by swinging operation in the front-back direction With wheel relative to the descending operation for extracting portion；First of front-rear direction swinging operation in the bidirectional operation bar swings Second swing fulcrum of fulcrum and the front-rear direction swinging operation in the one-way operation bar is respectively set, by described two-way The front-rear direction of operating stick swings and the control valve that operates and swings operation by the front-rear direction of the one-way operation bar Control valve is made of a valve cell.

According to this structure, the first swing fulcrum of the swinging center on the front-rear direction with bidirectional operation bar and have single Second swing fulcrum of the swinging center on the front-rear direction of operating stick is respectively set.Therefore, even if adjusting bidirectional operation bar Positional relationship between control valve and the rotation angle for slightly changing the first swing fulcrum, or adjust one-way operation bar and control Positional relationship between valve processed and the rotation angle for slightly changing the second swing fulcrum, the change of the rotation angle of a swing fulcrum Change the rotation angle being also impossible to another swing fulcrum to affect.

Accordingly, there exist following advantages, that is, operating in the adjusting of a positional relationship between operating stick and control valve can not In the state of capable of being affected to the positional relationship between another operating stick and control valve, be easy to carry out an operating stick with The adjusting of positional relationship between control valve operates.

In the present invention, it is preferred that the end of second swing fulcrum side in first swing fulcrum The bearing part that the end of first swing fulcrum side in portion and second swing fulcrum is supported is set to described Control tower.

The second swing fulcrum of the first swing fulcrum is supported using the bearing part for being set to control tower according to this structure The end of side, the second swing fulcrum the first swing fulcrum side end.

Therefore, using common bearing part, end, the second pendulum of the second swing fulcrum side of the first swing fulcrum are supported The end of first swing fulcrum side of dynamic fulcrum, using simple structure to the first swing fulcrum and the second swing fulcrum the two Axis is supported, the simplification of structure easy to accomplish.

In the present invention, it is preferred that include bearing first swing fulcrum and described in the bearing part The horizontal part of the end of a side in second swing fulcrum；It supports another in first swing fulcrum and second swing fulcrum The vertical portion of the end of side.

According to this structure, because there is horizontal part and vertical portion in bearing part, even if the first swing fulcrum and the Two swing fulcrums are configured in the state that the direction that mutual axis direction and/or axle center intersect misplaces, and can also be absorbed The magnitude of misalignment and support two axis.

In the present invention, it is preferred that first swing fulcrum can be changed relative to the bearing part And the position of a side and first swing fulcrum cannot be changed relative to the bearing part in second swing fulcrum And the mode of the position of another party supports in second swing fulcrum, and is configured to adjust the valve cell phase For the installation site of the control tower.

According to this structure, because being configured to change the position of either one in the first swing fulcrum or the second swing fulcrum It sets, so the relative positional relationship of the first swing fulcrum Yu the second swing fulcrum can be easily adjusted.

In addition, because the aggregate of the bearing part of the first swing fulcrum of bearing and the second swing fulcrum is configured to adjust The installation site relative to control tower is saved, so the position for not having to change the control valve side being connected with hydraulic system is easy to Change the position of the first swing fulcrum and the second swing fulcrum.

In the present invention, it is preferred that be configured to adjust second swing fulcrum relative to the bearing The bearing position of component.

According to this structure, it is not adjustable the steering operation with progress travel machine body and extracts the two-way of the descending operation in portion First swing fulcrum of the swinging center on the front-rear direction of operating stick, and can adjust to have and dial standing grain and take turns relative to cutting Take the second swing fulcrum of the swinging center on the front-rear direction of the one-way operation bar of the descending operation in portion.

That is, for the bidirectional operation bar of the carry out steering operation frequently used always and the descending operation for extracting portion For, the first swing fulcrum with the swinging center on its front-rear direction maintains the position for being stably fixed to be easiest to operation The state set, operability and durability it is good in the state of carry out using.

Also, before the one-way operation bar for adjusting the descending operation for dial standing grain wheel for having frequency of use less high Second swing fulcrum of the swinging center in rear direction.Therefore, though operating frequency it is less high carry out dial standing grain take turns liter The position slight variation of second swing fulcrum of the one-way operation bar of operation drops, will not be so inconvenient, integrally it is easy to get The supporting structure of operability and excellent durability.

In the present invention, it is preferred that the bearing part is with across the shape of the antetheca of the control tower and rear wall State is supported on antetheca and rear wall, and supports the opposite with the end of first swing fulcrum side of second swing fulcrum The other end bearing part of the end of side is supported on the cross wall of the left and right directions of the control tower.

According to this structure, because bearing part is supported on the antetheca and rear wall of control tower, and the second swing fulcrum is supported The other end bearing part of end of the side opposite with the end of the first swing fulcrum side be supported on the right and left of control tower To cross wall on, so being supported at three securely using this.

In the present invention, it is preferred that the horizontal sidepiece position on the left and right directions of the Drive Section is equipped with side Plate, the side plate is so that the front state adjacent with the left and right directions end of the control tower is configured, in the side plate Horizontal side is equipped with driver's seat, and the upper surface of the front of the side plate is in or substantially phase identical as the top of the control tower Same height and position, rear portion is in the height and position lower than front along the setting of horizontal or general horizontal direction, the front of the side plate The upper surface of middle part between rear portion be formed as backwards under inclined surface.

According to this structure, rides on and drive even if relatively high position is arranged in control tower, and the rear portion of side plate is also relatively low The driver for sailing seat is able to easily see the operating parts and meters at the rear portion of side plate.

Also, in the middle part of side plate, due to be backwards under inclined surface, so being easy to carry out from driver's seat visual.

In the present invention, it is preferred that in the middle part of the side plate configured with gear lever is travelled, in the side plate Rear portion be configured with homework department clutch lever.

According to this structure, the relatively high traveling gear lever configuration of frequency of use is easy mesh in the driver for riding on driver's seat Depending on backwards under inclined surface, raising easy to accomplish operability.

In addition, relatively low position of the clutch lever of homework department on the horizontal side of driver's seat, is lifting arm or shoulder While operated comfortless posture a possibility that it is small in the state of, be easy to be operated with comfortable posture.

In the present invention, it is preferred that the horizontal sidepiece position on the left and right directions of the Drive Section, and preceding The portion position adjacent with the left and right directions end of the control tower is equipped with side plate, in the horizontal side of the side plate configured with driving Seat, be equipped with engine below the driver's seat, in the side plate in the lateral direction far from the engine one The end of side has longitudinal wall along the vertical direction.

According to this structure, because the end far from engine side in the lateral direction in side plate has vertically side To longitudinal wall, so the dust and hot wind that move out by the exhaust gas from engine room are collided positioned at the horizontal side of side plate Middle transfer chute cross wall and to Drive Section side rebound a possibility that it is small.

In the present invention, it is preferred that in the longitudinal wall be equivalent in the longitudinal direction with the engine phase Part with position is porous member.

According to this structure, since in side plate, the end far from engine side is along the vertical direction in the lateral direction It is in longitudinal wall, to be equivalent in the longitudinal direction be porous member with the part of engine same position, so for vertical by this For the exhaust gas of wall part, weakens towards the dynamic pressure of the cross wall side of the middle transfer chute of horizontal side position, pass through the exhaust gas of longitudinal wall A possibility that colliding the cross wall of middle transfer chute and rebounding is small, but is discharged while slow rise, to Drive Section It is small that side flows into a possibility that a large amount of dust and hot wind.

Detailed description of the invention

Fig. 1 is the right view of full feed type combine harvester entirety.

Fig. 2 is the top view of full feed type combine harvester entirety.

Fig. 3 is the main view for indicating operating stick and operating related organization.

Fig. 4 is the right view for indicating operating stick and operating related organization.

Fig. 5 is the direction view of the V-V line observation in Fig. 3.

Fig. 6 is the cross-sectional view at the line VI -- VI in Fig. 3.

Fig. 7 is the cross-sectional view at the VII-VII line in Fig. 3.

Fig. 8 is the cross-sectional view at the VIII-VIII line in Fig. 3.

Fig. 9 is the rearview for indicating operating stick and operating related organization.

Figure 10 is the exploded perspective view for indicating operating stick and operating related organization.

Figure 11 is the exploded perspective view for indicating the top of control tower.

Figure 12 is the left view for indicating power part and Drive Section.

Figure 13 is the up and down direction cross-sectional view for indicating power part and Drive Section.

Figure 14 is the top view for indicating Drive Section.

Figure 15 is the explanatory diagram for indicating the comparative example of Drive Section.

Figure 16 is the relationship indicated between the output of hydrostatic stepless speed change device and the shift gear of secondary speed-changing device Chart.

Description of symbols

2 driver's seats

13 bidirectional operation bars

14 one-way operation bars

20 control towers

20F antetheca

20B rear wall

20R cross wall

22 bearing parts

22a horizontal part

22b vertical portion

61 first swing fulcrums

40 second swing fulcrums

46 other end bearing parts

30 side plates

32 longitudinal walls

33,34 traveling gear lever

35,36 clutch lever

B Drive Section

V2 control valve

V3 control valve

VB valve cell

Specific embodiment

Hereinafter, being based on attached drawing, the embodiments of the present invention is illustrated.

It should be noted that front-rear direction and left and right directions in description of the present embodiment are as long as no particularly saying It is bright, just record as explained below.That is, being applicable in full feed type combine harvester (the one of harvester of the utility model A example) the direction of travel (referring to the arrow DF in Fig. 2) of operation advanced side when driving be " preceding ", the traveling for side of drawing back (referring to the arrow DB in Fig. 2) is " rear " in direction, the side for being equivalent to right side on the basis of the posture facing forward on the front-rear direction It is " right side " to (referring to the arrow DR in Fig. 2), the direction (referring to the arrow DL in Fig. 2) for being similarly equivalent to left side is " left side ".

(overall structure)

Fig. 1 and Fig. 2 indicates the full feed type combine harvester of an example as harvester.

The body of the full feed type combine harvester is supported with vehicle body frame on the crawler travel device 1 of pair of right and left 10, and power part A and Drive Section B is carried on vehicle body frame 10, it is thus configured to self-propelled.

Have on vehicle body frame 10 and extracts pretreating device C (being equivalent to the portion of extracting), sheller unit D, grain collecting box E, unloads Paddy device F and the apparatus for work as crop harvesting.

In the body (hereinafter, being referred to generally as walking body certainly) for being configured to self-propelled, power part A is configured in vehicle body frame 10 Right front, be configured Drive Section B with being located at the top of power part A.Also, makes to extract pretreating device C and be located at The left side front of vehicle body frame 10, and be located at the position of side on the front than vehicle body frame 10 and be configured.

It is discretely configured in rear positions of vehicle body frame 10 or so: being admitted to and extracted by extracting pretreating device C The sheller unit D of the full feed type of stalks；Store the grain collecting box E (phase of the grain (being equivalent to crop) come from sheller unit D supply When in crop storage unit).Have at the rear portion of grain collecting box E and unloads paddy for what the grain for being stored in grain collecting box E was discharged to outside machine Device F.

In power part A, in vehicle body frame 10 equipped with engine 3, and has the upper side for covering the engine 3 The hood 11 of box-like.The upper surface side of the hood 11 is provided with the driver's seat 2 of aftermentioned Drive Section B.

It is formed with inlet box 12 in the side lateral out of hood 11, is equipped with and is used in the outer surface side of inlet box 12 From the Air Filter of lateral foreign side sucking cooling wind.

In the central location for the front for walking body certainly, the crawler belt row of left and right will be transferred to from the driving force of engine 3 The gearbox 4 for sailing device 1 is configured throughout the upper and lower of vehicle body frame 10.Have in the gearbox 4 and starts as will come from The hydrostatic stepless speed change device (not shown) of the driving force of the machine 3 infinitely main transformer speed variator of speed change, is also built-in with conduct The speed change gear (not shown) of secondary speed-changing device and to be transferred to left and right crawler travel device 1 driving force carry out Cut off the steering cluth (not shown) of connection.

It extracts pretreating device C to be configured to be lifted the spike side for planting vertical stalks with the spinning movement of wheel 5 by dialling standing grain, benefit The stem root of the stalks is cut off with cutter 6.The stalks (extracting stalks) extracted are assembled using 7 lateral transfer of lateral transfer auger In the entrance of middle transfer chute 8.It is configured to its full bar rearward to be conveyed and be sent into sheller unit D by middle transfer chute 8.

It is configured on the lateral axle center (not shown) of the rear end portion side around middle transfer chute 8 in addition, extracting pretreating device C Lower swing is freely.Swinging up and down for middle transfer chute 8 is arranged using throughout the lower part of vehicle body frame 10 and middle transfer chute 8 What the actuators such as hydraulic cylinder 16 carried out.It is configured to the oscillating quantity generated by the movement set by the actuator 16, so as to Adjust stalks extracts height.

The standing grain wheel 5 of dialling for being provided to the top position of the front end side of middle transfer chute 8 is configured to, by around rear end portion side Swing pivot 5B is swung up and down, and can change the height and position relative to middle transfer chute 8.Standing grain wheel 5 is dialled by changing as a result, Relative to the relative altitude of middle transfer chute 8, can change in the state of extracting height not changing relative to the vertical stalks of plant Etc. extract object crop dial in height.This group of standing grain is by defeated with centre by being installed on it with the change of the height and position of wheel 5 The expanding-contracting action for the reel lift device 5A for sending the hydraulic cylinder between the top of slot 8 to constitute and carry out.

Descending operation relative to reel lift device 5A is the front and back along with aftermentioned reel lift bar 14 Swing and carry out.

Sheller unit D has: to walk machine certainly around edge in a manner of stalks carry out threshing processing to extracting for supply to threshing chamber The axle center of the posture in the front-back direction of body and the thrashing cylinder (not shown) for driving the axial flow type of rotation；And it is obtained from by threshing processing The processed material obtained filters out the Screening Treatment device (not shown) of grain.

In the Screening Treatment device, paddy device (not shown) is sent using longitudinal, by the primary place in the grain filtered out Reason object is supplied to grain collecting box E, using secondary reduction device (not shown), by secondary treatment object be back to thrashing cylinder rotated it is de- Grain room (not shown), straw swarf in addition to grain etc. fall from the rear portion of Screening Treatment device and are released to from after walking body Side.

Grain collecting box E has for storing the box main body 9 from longitudinal grain for sending paddy unit feeding.The box main body 9 passes through Around the rotation of the Y of axle center up and down of rear positions, thus it is whole be supported to be accommodated in from walk the intracorporal operation posture of machine and from Posture is allowed hand between the inspection posture that body transversely stretches out from walking.The axle center Y up and down is configured to, and is set to case master Behind body 9 side unload longitudinally transported possessed by paddy device F cylinder 18 cylinder axle center it is consistent.

It unloads paddy device F to have: longitudinal conveying cylinder 18 of the straight tube-like erected upwards；The upper end of cylinder 18 is longitudinally transported from this The lateral conveying cylinder 19 of horizontally extending setting.Longitudinal conveying cylinder 18 is configured to swing around upper and lower axle center Y, Laterally conveying cylinder 19 is equipped as to rise and fall around horizontal cross axle center X and swing, and is configured to and longitudinal conveying cylinder 18 It swings together around the axle center Y up and down.

Longitudinal conveying cylinder 18 and laterally conveying cylinder 19 in the well known auger type that inside is built-in with conveying auger by removing respectively Device is sent to constitute.

(Drive Section)

Drive Section B is constituted as described below.

The upper surface side carrying of hood 11 is provided with driver's seat 2, in the front side of driver's seat 2, across driving The mode of portion's pedal 15 is vertically equipped with control tower 20.

In 21 side of the upper surface of control tower 20, it is provided with to walk certainly as progress with the state arranged in the lateral direction The operating parts of the course changing control of body and the bidirectional operation bar 13 for extract the operating parts of the elevating control of pretreating device C； By swinging operation in the front-back direction, carry out dialling reel lift bar 14 of the standing grain wheel 5 relative to the descending operation of cutter 6 (being equivalent to one-way operation bar).

As shown in figure 3, bidirectional operation bar 13 maintains the neutral position N as upright posture in a non-operating condition.And And be configured in such a way that the position L and right turn position R that can be turned left based on neutral position N is operated, it can be in right and left It is swung up operation.

By by the swinging operation in the lateral direction of bidirectional operation bar 13, via aftermentioned first operation related organization H1, Push-and-pull operation is carried out to the motion arm of steering control valve V1.Along with the handover operation of steering control valve V1, to being built in speed change The steering cluth of case 4 is engaged, separates control, is realized from the steering (turning) for walking body.

In addition, can operate and be controlled to above-mentioned actuator 16 by operating the bidirectional operation bar 13 along the longitudinal direction The lift controil valve V2 of system (is equivalent to control valve.Referring to Fig. 3), to realize the lifting action for extracting pretreating device C.

As shown in Figures 3 to 5, the reel lift bar 14 for being set to the upper surface side of control tower 20 (is equivalent to unidirectional behaviour Make bar) it is configured to, by swinging operation forward and backward, carry out the descending operation for dialling standing grain wheel 5.

That is, by swinging operation reel lift bar 14 in the longitudinal direction, via aftermentioned second operation related organization H2 operates the lift controil valve V3 (being equivalent to control valve) of control reel lift device 5A, carries out dialling standing grain wheel 5 Lifting action.

As shown in Figure 12 and Figure 14, the left side of driver's seat 2 is provided with the left horizontal end position direction from control tower 20 The extended side plate 30 of rear side.The front upper surface 31A positioned at toe lateral in the upper surface of the side plate 30 31, as Control is provided with main shift lever 33 and secondary gear lever 34 from the traveling gear lever for the travel speed for walking body.

Also, the rear upper surface 31B positioned at rear portion side in the upper surface of side plate 30 31, than 33 He of main shift lever The position of secondary gear lever 34 side rearward threshing clutch bar 35 and extracts clutch lever 36 as the clutch lever of homework department It is configured with the state of left-right situs.

Threshing clutch bar 35 is configured to, and is operated by the swing of threshing clutch bar 35, in sheller unit D Threshing clutch (not shown) engaged, lock out operation.It extracts clutch lever 36 to be configured to, by extracting clutch lever 36 Swing operation, extract the engagement for extracting clutch (not shown) in pretreating device C, lock out operation.

In addition, on side plate 30, in the position of side rearward than main shift lever 33 and secondary gear lever 34, than threshing clutch Device bar 35 and the position for extracting the side on the front of clutch lever 36 are provided with the accelerator rod 38 of the revolution of control engine 3.

Side plate 30 is located at the laterally left side side of driver's seat 2, and front is in and the left and right directions end abutment of control tower 20 Position.

The front end position with the left and right directions end abutment of control tower 20 in the upper surface of the side plate 30 31, side plate 30 upper surface 31 is located at identical or roughly the same height and position, the rear upper surface 31B with the top of control tower 20 In height and position more lower than front upper surface 31A, along the setting of horizontal or general horizontal direction.

Therefore, in the upper surface 31 of side plate 30, the front end positioned at side plate 30 and the centre between rear upper surface 31B The front upper surface 31A in portion be formed as backwards under inclined surface.Therefore, main shift lever 33 and/or secondary gear lever 34 are to backwards Under the upside state outstanding of inclined surface be configured (referring to Fig.1 2).

As shown in figure 12, it is set to the threshing clutch bar 35 of rear upper surface 31B and extracts clutch lever 36 in side view Under be bent to generally L-shaped, pivot fulcrum 37 is supported on a pivot on the downside of rear upper surface 31B, is configured to front and back It swings.That is, being configured to the clutched state from the posture of substantially standing up shown in solid of the figure, change appearance The clutch separation state for the posture that substantially lodges shown in state to the imaginary line such as the figure.At this point, so as to changing posture to clutch The threshing clutch bar 35 of device discrete state and each handle portion 35a, 36a of clutch lever 36 is extracted away from rear upper surface 31B The mode that the position of specified interval d1 stops is, it is specified that threshing clutch bar 35 and the wobbling action range for extracting clutch lever 36.

(for operation related organization)

The elevating control for carrying out extracting pretreating device C is indicated into Figure 10 in Fig. 3 and certainly walks the course changing control of body Bidirectional operation bar 13, the reel lift bar 14 (being equivalent to one-way operation bar) for dial the descending operation of standing grain wheel 5.

The front and back of bidirectional operation bar 13 and the swinging operation of left and right directions are closed via the first operation constituted as described below Online structure H1 is transferred to lift controil valve V2, as the steering control valve V1 for turning to driving portion.

In addition, the swinging operation in the front-back direction of reel lift bar 14 operates related organization H2 via aftermentioned second, It is transferred to lift controil valve V3.

(the first operation related organization)

First operation related organization H1 is constituted as described below.

The bidirectional operation bar 13 for being erected on the upper surface side of control tower 20 is configured to, by the swing of its front and back and left and right directions Operation operates related organization H1 via the first of the inside for being disposed in control tower 20, is transferred to lift controil valve V2 and course changing control Valve V1.

As shown in Figures 3 to 10, the first operation related organization H1 has: being fixed on the bar bearing support of the inside of control tower 20 50, it is supported on the shaft supporting part 60 of the bar bearing support 50.Shaft supporting part 60 has: first shaft portion 61 (is equivalent to the first pendulum Dynamic fulcrum), there is the unidirectional swinging center y1 by the bearing of bidirectional operation bar 13 for that can swing；The second shaft portion 62, will The bearing of bidirectional operation bar 13 is that can swing around the swinging center x1 of other direction.

It is two-way that the unidirectional swinging center y1 of the left and right directions of body is walked certainly in edge in above-mentioned two swinging center x1, y1 The axle center of wobbling action on the front-rear direction of operating stick 13, along the swinging center from the other direction in the front-back direction for walking body X1 is the axle center of the wobbling action on the left and right directions of bidirectional operation bar 13.

< mounting bracket >

As shown in Fig. 3 to Fig. 6 and Fig. 8 to Figure 11, in the position of the ratio upper surface 21 of control tower 20 side more on the lower, across Each other, the mounting bracket 22,23 of pair of right and left is welded and fixed in the wall portion of antetheca 20F and rear wall 20B for crossing control tower 20.

Wherein, in this configuration, as shown in fig. 4 to fig. 6 and Figure 11, the L-shaped installed in front plate 26 in section is welded and fixed The rear side mounting plate 27 of shape in shaped door welds the inner face side for being installed on rear wall 20B under the inner face side of antetheca 20F, vertical view, Therefore, mounting bracket 22,23 is welded and fixed across these installed in front plates 26 with rear side mounting plate 27.

The upper wall portion 50U bolt link of the left and right of bar bearing support 50 is installed in the mounting bracket 22, bar bearing support 50 It is fixed on control tower 20.

As shown in Fig. 3 to Fig. 6 and Fig. 9 to Figure 11, the right side positioned at right lateral side portion in above-mentioned mounting bracket 22,23 is pacified Dress bracket 22 (being equivalent to bearing part) has the horizontal plate face 22a abutted with the upper wall portion 50U of bar bearing support 50 and (is equivalent to Horizontal part), from the right lateral side end of the horizontal plate face 22a downward to curved vertical plate face 22b (being equivalent to vertical portion), from level The left horizontal side of plate face 22a curved standing plate face 22c upward, to be formed as section flexure shape.

The mounting bracket 22 on right side, the position of the standing plate face 22c close to left horizontal sidepiece in horizontal plate face 22a, weldering It connects and is fixed with fixed nut 22d.Therefore, connection bolt 24 is inserted into the connection use for being formed in the upper wall portion 50U on right side The right side of upper wall portion 50U can be linked by being screwed togather with the fixation with nut 22d and be supported on right side mounting bracket by hole 50a Frame 22.

In addition, being formed with connecting hole 22e in the vertical plate face 22b of the right lateral side end decurvation from horizontal plate face 22a (0, Figure 11 referring to Fig.1).

Connecting hole 22e is for (being equivalent to the second swing using 44 pairs of collateral axle portions 40 of bearing winder of binder bolt Fulcrum) the mounting plate 43 of one end carry out the fixed component of connection, have the fixture nut portion screwed togather with binder bolt 44 44a。

The above-mentioned collateral axle portion 40 of winder have make reel lift bar 14 in the longitudinal direction wobbling action when axle center y4.Also, the pivot branch hole 43a chimeric with the one end of the collateral axle portion 40 of winder is formed with, for the connection in mounting plate 43 The support holes 43b that bolt 44 is inserted into.

The support holes 43b of mounting plate 43 be formed to have than the binder bolt 44 for being inserted into support holes 43b diameter slightly The so-called mesopore of big internal diameter.The difference being equivalent between support holes 43b internal diameter and the outer diameter of binder bolt 44 is utilized as a result, In the range of get around regulations, the relative position between support holes 43b and binder bolt 44 can be adjusted.

Mounting bracket 22 is more located at the left side that right and left abuts up body center side on the right side of ratio in above-mentioned mounting bracket 22,23 Side mounting bracket 23 have the horizontal plate face 23a (being equivalent to horizontal part) abutted with the upper wall portion 50U of bar bearing support 50, from this The left horizontal side of horizontal plate face 23a curved standing plate face 23c upward, to be formed as section L shape.

The left side mounting bracket 23 is in bar bearing support 50, it is close be supported on 22 side of right side mounting bracket The position of the end of the opposite side in end, in such a way that the wall portion across the front and back of control tower 20 is mutual, across installed in front Plate 26 is welded and fixed with rear side mounting plate 27.In left side, the horizontal plate face 23a of mounting bracket 23 is also equipped with fixed nut 23d.By connection, with bolt 25, side is arranged with being inserted into the close left end in the upper wall portion 50U of bar bearing support 50 from below Connection in the 50a of hole, can be by upper wall portion 50U's by screwing togather connection with the fixation with nut 23d with bolt 25 Left side connection is supported on left side mounting bracket 23.

The overhang bracket of the side opposite with 43 side of mounting plate is supported on a pivot in the collateral axle portion 40 of winder is being grasped Right cross wall 20R (being equivalent to cross wall) on the left and right directions of vertical tower 20.

That is, being welded with when observing along the longitudinal direction in right cross wall 20R in logical as shown in Fig. 3 and Figure 11 The mounting bracket 46 (being equivalent to other end bearing part) of road shape.45 bolt link of axle installing plate is opened wide in the mounting bracket 46 Left end.

As shown in Fig. 3 and Figure 10, the central part of axle installing plate 45 in above-below direction has is embedded in the collateral axis of winder outside The pivot branch hole 45a of the end in portion 40, along the up and down direction of pivot branch hole 45a separate be provided at two up and down connecting hole 45b, 45b。

Pivot branch hole 45a is the hole that closely the outer axis embedded in the collateral axle portion 40 of winder is drawn, but upper and lower connecting hole 45b is formed as the long long hole of up and down direction length.Thereby, it is possible to adjust upper and lower of the axle installing plate 45 relative to mounting bracket 46 To relative position, upper and lower position of the collateral axle portion 40 of winder relative to the right cross wall 20R of control tower 20 can be adjusted.

< bar bearing support >

As shown in Figures 3 to 10, bar bearing support 50 has the rear wall 50B for the rear side being located on front-rear direction, is located at a left side The right side wall 50R on the right side in right direction, the left side wall 50L positioned at left side, to be formed as a shape under vertical view.Right side wall 50R and left side wall 50L is welded and fixed across rear wall 50B and upper wall portion 50U respectively, improves the holding of entire bar bearing support 50 Form strength.Bar bearing support 50 is made of sheet metal prepared material, upper wall portion 50U be configured to by with the part one that constitutes rear wall 50B The material of body is constituted, and is bent forwards by the top in the left and right sides of rear wall 50B, is made upper wall portion 50U upward.

One end at right side wall 50R, with the axis direction of first shaft portion 61 is opposed to the pivot suspension first shaft portion The bearing portion 51 of the cylinder convex in 61 shaft end portion is prominent with the lateral outer side (for left side in Fig. 3) on the right side of side wall 50R to the right State out and formed.In the lateral outer side of right side wall 50R, protrusion is formed with fixing card shotpin identically as bearing portion 51 52。

When the neutral recovery spring 76 of aftermentioned lifting is installed on bearing portion 51, fixing card shotpin 52 is locked in the lifting It is vertical to restore spring 76, to exert a force to neutral position N to the bidirectional operation bar 13 operated forward and backward and make its recovery.

Also, left side wall 50L is provided with the connection of the another side at the axis direction for supporting first shaft portion 61 Portion 53.Linking part 53 is welded with fixed nut 53a, 53a, is installed on the connection of the first shaft portion 61 of shaft supporting part 60 Component 65 in the state of being against linking part 53 from the lateral outer side of left side wall 50L, via two binder bolts 53b, 53b into Row installation.

As shown in Fig. 7, Fig. 9, Figure 10, it is provided in the rear wall 50B of bar bearing support 50 by the hunting range on front-rear direction The limiting unit 55 of limitation within the specified scope, as the unidirectional swing in the front-rear direction and left and right directions of bidirectional operation bar 13 Range.

The limiting unit 55 is made of the substantially rectangular opening for being formed in rear wall 50B, thus by before bidirectional operation bar 13 Hunting range in rear direction is set as predetermined angular range.That is, as shown in fig. 7, along with bar branch is supported on a pivot on Swing in the shaft supporting part 60 of bolster 50, on the front-rear direction of bidirectional operation bar 13, around the swinging axle of first shaft portion 61 A part of the second shaft portion 62 of heart y1 rotation is configured with the state for entering the opening of the limiting unit 55.Therefore, as being somebody's turn to do Shown in the imaginary line of figure, by the abutting between the second shaft portion 62 and the open edge of limiting unit 55, to around first shaft portion 61 The hunting range of the second shaft portion 62 of swinging center y1 wobbling action is limited.

< shaft supporting part >

Shaft supporting part 60 includes first shaft portion 61, in front-rear direction and left and right directions with bidirectional operation bar 13 Unidirectional swinging center y1；The second shaft portion 62, another party in front-rear direction and left and right directions with the operating stick To swinging center x1.

First shaft portion 61 and the second shaft portion 62 in a manner of making middle part connection of the respective axis each other in shaft length direction, It is fixed by common holding frame body 63.These first shaft portions 61 and the second shaft portion 62 are located at the shape intersected with each other in the upper side and lower side State, it is fixed towards the second shaft portion 62 in the front-back direction in the upper side for keeping frame body 63, keeping the lower side of frame body 63 to fix Towards the first shaft portion 61 of left and right directions.

First shaft portion 61 has in its right end side by bearing portion 61a, it is described by bearing portion 61a relative to being set to bar bearing The bearing portion 51 of the cylinder convex of the right side wall 50R of frame 50 and plug.The right end side of first shaft portion 61 rotatably freely pivot as a result, It is pivotally supported in bar bearing support 50.

The left end side of first shaft portion 61 is supported on the company for being set to the left side wall 50L of bar bearing support 50 via connecting member 65 Knot 53, the connecting member 65 are clipped in a pair of flanges portion 61b, the 61b for being set to the position by left end side of first shaft portion 61 Between.

At this point, in connecting member 65 as an end for linking side with linking part 53, connecting member 65 is opposite It bolt link and is completely fixed in linking part 53.Link the another of side as with first shaft portion 61 in connecting member 65 One end is clipped in state of the connecting member 65 and first shaft portion 61 between a pair of flanges portion 61b, 61b with relative rotation freely Support first shaft portion 61.First shaft portion 61 is in the movement for being limited its axis direction, front-rear direction and up and down direction as a result, State lower support is in connecting member 65.

In the right end side of first shaft portion 61, at the position of the inside for the right side wall 50R for being located at bar bearing support 50, the first operation Plate 64 is integrated with the installation of first shaft portion 61.It is more prominent to lateral foreign side in the face of the lateral foreign side of direction than first operation panel 64 It is described to can be integrated by bearing portion 61a and first shaft portion 61 in the state of out, thus that will be supported by bearing portion 61a insertion rod In the state of the bearing portion 51 of frame 50, the first operation panel 64 is located at the inside of right side wall 50R.

The transverse direction of the bearing portion 51 of the cylinder convex in the shaft end portion of pivot suspension first shaft portion 61 side wall 50R to the right as a result, Outside (in Fig. 3 be left side) is prominent, and the first operation panel 64 is located at the inside of right side wall 50R, connecting member 65 be configured to from The lateral outer side right side of left side wall 50L (in Fig. 3 be) in the left side of left side wall 50L against in the state of be able to carry out connection. Therefore, shaft supporting part 60 is resisted against bar bearing support 50 from left side, by connecting member 65 and is linked using binder bolt 53b, 53b 53 bolt link of portion, so as to be easy to be assembled.

As shown in Figures 3 to 6, the first operation panel 64 extends out very long more to the lower side than right side wall 50R.Also, Extend out the lower part of the first very long operation panel 64 to the lower side, to cross the lower edge of right side wall 50R from the first behaviour The lateral outer side mode outstanding for making the side wall 50R to the right of plate 64 is vertically equipped with movable locking pin 64a.As shown in Figures 3 to 6, this can Dynamic locking pin 64a is arranged to, and when that will go up and down neutral recovery spring 76 and be installed on bearing portion 51, it is extensive to be locked to the lifting neutrality Multiple spring 76.

Therefore, to the prominent fixing card shotpin 52 formed of the lateral outer side of right side wall 50R of bar bearing support 50, with from first The movable locking pin 64a that first operation panel 64 of axle portion 61 is erected to lateral outer side mode outstanding, which is locked on, is installed on bearing portion 51 lifting neutrality restores spring 76.

If in this state by the swinging operation forward and backward of bidirectional operation bar 13, as shown in the imaginary line of Fig. 6, companion With the swing of the first operation panel 64, movable locking pin 64a makes the one end for going up and down neutral recovery spring 76 laterally leave fixing card 52 side of shotpin is mobile.At this point, it is motionless because the neutral another side for restoring spring 76 of lifting is locked to fixing card shotpin 52, So the lifting neutral work that restores spring 76 elastic force-applying to movable locking pin 64a towards the direction close to fixing card shotpin 52 It firmly acts on bidirectional operation bar 13.Bidirectional operation bar 13 is configured to as a result, if handle is taken away, restores to neutral position It sets.

As shown in fig. 7, the boundary of the swinging operation range on the front-rear direction of bidirectional operation bar 13 at this time is to pass through shape At in the limiting unit 55 of bar bearing support 50 and between the second shaft portion 62 being inserted into the state of the limiting unit 55 Abut and carry out.

In addition, bidirectional operation bar 13 with as the first shaft portion 61 at the swinging center y1 on the front-rear direction close By way of there is the shaft part of the bidirectional operation bar 13 under neutral posture in the position of the plumb line of the swinging center y1, It is arranged in the state of association.

In the right end side of first shaft portion 61, at the position of the inside for the right side wall 50R for being located at bar bearing support 50, than first Operation panel 64 is fixed with motion arm 67 close to the position of the swinging center x1 of the second shaft portion 62.The motion arm 67 is by two-way behaviour Make the operation of bar 13 in the state of neutral position, free end side to extend towards the posture in front, one end of operating stick 68 with lean on The connecting hole 67a connection being arranged to the nearly elongated end.

The other end of operating stick 68 is associated with the lift controil valve V2 that the movement to actuator 16 is controlled.Therefore, companion Swing with bidirectional operation bar 13 around the swinging center y1 operates, and acts actuator 16, is able to carry out before extracting The descending operation of processing unit C.

In the left end side of first shaft portion 61, as shown in Fig. 3 and Fig. 9, Figure 10, than being clipped between a pair of flanges portion 61b, 61b Connecting member 65 present in position more lean on the position of left end side, the second operation panel 66 is installed.

The notch section 66a for keeping operation cable 82, the operation lines are formed in the lower end of the second operation panel 66 Cable 82 is arranged to, and steering control valve V1 is associated with bidirectional operation bar 13.Operation cable 82 can be slided relatively by interior lines part The push-pull wire for being inserted into the inside of outside line part dynamicly is constituted, the one end of interior lines part and the swing of transmitting bidirectional operation bar 13 Aftermentioned output operating body 71 connection at operation, outside line part is kept in the state of being packed in notch section 66a.

As a result, by utilizing the midway portion of 66 support operational cable 82 of the second operation panel, can be easy swimmingly to carry out The operation of the operation cable 82 of operating body 71.

The left and right sides piece part for overlooking the holding frame body 63 of the open channel shape in inferoanterior side is weldingly fixed on first axle Middle position between first operation panel 64 and connecting member 65 in portion 61 and it is integrated.Also, with the first shaft portion 61 In the state of intersection, make the second shaft portion 62 of axle center along the longitudinal direction in the position for leaning on top than the first shaft portion 61, along preceding Perforation keeps the state of frame body 63 to be configured afterwards.That is, via frame body 63, upper and lower first shaft portion 61 and second is kept Axle portion 62 is with orthogonal posture integration.

The second shaft portion 62 is located at the pivot section 62A of pivot suspension bidirectional operation bar 13 than keeping the side on the front of frame body 63 Position, make to extend shaft portion 62B and be located at position than keeping the side rearward of frame body 63.

Also, extended extension shaft portion 62B is configured to rearward, blocks with the limiting unit 55 for being formed in bar bearing support 50 It closes.In addition, turning to the neutral spring 75 that restores on extension shaft portion 62B.Turning to the neutral both ends for restoring spring 75 It engages from the neutral banking pin 63A for keeping frame body 63 to be provided projectingly towards the rear, be set to the aftermentioned operating shaft for operating bracket 70 In 72 from 72 part of operating shaft that is provided projectingly towards the rear of operation bracket 70.

As shown in Fig. 7 and Figure 10, in the pivot section 62A of front side, be embedded with outside the side for keeping frame body 63 with Bidirectional operation bar 13 forms the lug boss 70A of the operation bracket 70 of integrated rectangular plate-like.Also, far from holding frame body 63 Side, the lug boss 71A than operation bracket 70 more positioned at the output operating body 71 of the rectangular plate-like of front side (are equivalent to an axis Portion) it is embedded in the second shaft portion 62 outside, so that being by these operation brackets 70 and the output bearing of operating body 71 can be around as the second axis The swinging center x1 in the axle center in portion 62 is relatively rotated.

With the operating shaft 72 along the in the front-back direction axle center x2 parallel with the swinging center x1 of the second shaft portion 62 in front and back In the state of perforation operation bracket 70, positioned at the downside of first shaft portion 61, it is welded on the operation support with 13 one of bidirectional operation bar Frame 70, and it is integrated with its.

The operating shaft 72 has: (being equivalent to locking from 72 part of operating shaft that operation bracket 70 is provided projectingly forward Body)；From 72 part of operating shaft (being equivalent to projecting part) that operation bracket 70 is provided projectingly towards the rear.

Also, the operating shaft 72 being provided projectingly forward is inserted partially into the operation opening of aftermentioned output operating body 71 71C, the operating shaft 72 being provided projectingly towards the rear, which is inserted partially into, is formed in the aftermentioned limitation opening 63B for keeping frame body 63.

Output operating body 71 has the outer lug boss 71A for being embedded in the second shaft portion 62, is integrally installed on lug boss 71A's The oscillating deck part 71B of plate, also, in oscillating deck part 71B there is the operation being inserted into for the operating shaft 72 to be open 71C.In addition, in the lower part of oscillating deck part 71B, to be located at than operating the state setting with the position of side on the lower opening 71C There is locking pin 73 (being equivalent to spring fastener).The locking pin 73 identically as the second shaft portion 62 and operating shaft 72, axle center x3 court To direction along the longitudinal direction, oscillating deck part is fixedly welded in the state of prominent to the output front and rear sides of operating body 71 71B。

Also, the lug boss 71A in side on the front than oscillating deck part 71B is wound with the helical spring as elastomer 74, also, each end of two end sides of helical spring 74 is installed to be, positioned at being separated into the facing forward of insertion operation opening 71C The state of the left and right sides of 72 part of operating shaft and locking pin 73 of side.

As shown in Fig. 3, Fig. 7 and Figure 10, operation cable 82 is linked to oscillating deck part 71B's in a manner of assemble and unassemble Rear side locking pin 73 outstanding.As shown in figure 3, the operation cable 82 is configured to, be associated with steering control valve V1, and with it is double To the left and right directions of operating stick 13, i.e. around the swinging operation gearing of the swinging center x1 of the second shaft portion 62 and to steering control valve V1 Switch over operation, left and right respectively engages the steering cluth of mobile devices (not shown), lock out operation, carries out body Cornering operation.

As a result, using be arranged to by steering control valve V1 and the associated operation cable 82 of bidirectional operation bar 13, First operation related organization H1 grasps the swing of the left and right directions of bidirectional operation bar 13 and the swinging center x1 around the second shaft portion 62 The second shaft portion 62 and output operating body 71 for being transferred at operation cable 82 etc., constitute steering unit U1.

Between the bidirectional operation bar 13 in steering unit U1 and output operating body 71, followed with there is output operating body 71 The wobbling action of bidirectional operation bar 13 and the state that integrally moves and allow to export operating body 71 not relative to two-way behaviour Make bar 13 integrally to follow and the mode of the state of the independent wobbling action of bidirectional operation bar 13, there is getting around regulations to a certain degree.

By being deposited in the operation for being formed in oscillating deck part 71B between the internal diameter of opening 71C and the outer diameter of operating shaft 72 In diameter difference, got around regulations to constitute this.

(the second operation related organization)

The the second operation related organization H2 for carrying out the swinging operation in the front-back direction of reel lift bar 14 is as described below Ground is constituted.

As shown in Fig. 3 to Fig. 5 and Fig. 9, Figure 10, reel lift bar 14 is welded solid by the lower end side that will bend to U-shaped Component due to the band plate-like of the collateral axle portion 40 of winder is constituted.Also, the motion arm 41 of plate is also weldingly fixed on winder Collateral axle portion 40.

For the motion arm 41 by the operation of reel lift bar 14 to neutral position in the state of, free end side is with forward Posture extends, and one end of operating stick 42 is linked to the connecting hole 41a being arranged close to the elongated end.The other end of operating stick 42 with The lift controil valve V3 association that the movement of reel lift device 5A is controlled.

Therefore, along with the swinging operation of the reel lift bar 14 of the axle center y4 around the collateral axle portion 40 of winder, make to dial Standing grain wheel lifter 5A movement is able to carry out the change behaviour for dialling standing grain wheel 5 relative to the height and position for extracting pretreating device C Make.

The first shaft portion 61 of the collateral axle portion 40 of winder and bearing bidirectional operation bar 13 that support reel lift bar 14 makes Respective axle center y4, y1 are configured with being slightly separated in left-right direction and in the state of left-right situs, but cannot be concentrically Configuration.

That is, the axle center y4 of the collateral axle portion 40 of winder is located at the swinging axle than first shaft portion 61 in the up-down direction The position that heart y1 is staggered slightly towards lower section.In the longitudinal direction, the axle center y4 of the collateral axle portion 40 of winder is also disposed in than first The position that the swinging center y1 of axle portion 61 is staggered slightly towards front.In the position in relationship, the collateral axle portion 40 and first of winder Axle portion 61 is installed on control tower 20 using the mounting bracket 22,23.

The lift controil valve V3 that controlled the movement of reel lift device 5A and to carrying out extracting pre-treatment dress It sets the lift controil valve V2 that the movement of the actuator 16 of the descending operation of C is controlled and is packed into common valve body VB and (be equivalent to valve Unit).Valve body VB in the inside of control tower 20, can change its installation site along front and back or left and right or up and down and into Row installation.

By changing the position of valve body VB, can unify simultaneously to change the lift controil valve V3 and elevating control The position of valve V2.

(structure of power part)

As shown in FIG. 12 and 13, in power part A, the right lateral foreign side of hood 11 is provided with inlet box 12, The left horizontal sidepiece of hood 11 is provided with side plate 30.

In the inside of hood 11, the right lateral outer side of engine 3 is provided with radiator 17 and supply fan 17A.It is logical Cross inlet box 12 and radiator 17 and the extraneous gas that sucks is using supply fan 17A and as the indoor cooling wind of engine, by force System is blown to the left from right.

The air-supply of supply fan 17A is by engine room, the left direction foreign side from the rear portion of side plate 30 is discharged, still The side plate 30 left lateral foreign side there are middle transfer chute 8, the middle transfer chute 8 will extract harvested material from extracting pre-treatment Device C is transported towards sheller unit D.

Because there are interval appropriate between the left horizontal side of side plate 30 and the right lateral side face of middle transfer chute 8, The not special problem as long as the air-supply of supply fan 17A is less strong, in engine 3 large size itself and has strong output, or Person's job load is larger and improve the output of engine 3 come in the case where carrying out operation, with the blowout of cracking speed from into The right lateral side face of middle transfer chute 8, the side Drive Section B rebound upwards are encountered in the air-supply of gas fan 17A.

Here, the end in the lateral direction far from 3 side of engine in side plate 30, is provided with along the vertical direction Longitudinal wall 32, also, while air-supply of the longitudinal wall 32 by forming restricted supply fan 17A can by degree it is a large amount of Ventilation aperture perforated metal plate (being equivalent to porous member) composition.

The air-supply of supply fan 17A is rebounded as a result, with the right lateral side face of cracking speed direct collision to middle transfer chute 8 A possibility that it is small.Also, compared with longitudinal wall 32 is non-porous component, a possibility that hot gas is trapped in engine room also very little.

It can be entire longitudinal wall 32 in the range that the longitudinal wall 32 is formed with ventilation aperture, can also only be comparable to preceding In rear direction with there are the parts of the identical position in the position of engine 3.

That is, in the longitudinal direction, supply fan 17A and engine 3 are in roughly the same position, supply fan 17A Air supply direction towards there are the directions of engine 3.Therefore, the range for being formed with ventilation aperture is also possible to be equivalent to preceding In rear direction with there are the ranges of the identical position in the position of engine 3 or roughly the same position.

(other)

Figure 15 be the position that Drive Section pedal 15 is indicated with solid line and double dot dash line, 30 part of side plate variform two The explanatory diagram of the comparison of kind Drive Section B.

Firstly, the Drive Section B to shape documented by double dot dash line in Figure 15 is illustrated.

In Drive Section B, the position of Drive Section pedal 15 and pedal lower surface 15U is set in relatively low position. Also, the bottom surface 20U of control tower 20 is installed on Drive Section pedal 15 in low one section of the position in upper surface than Drive Section pedal 15.

Also, the upper surface 31 of side plate 30 is connect with the back-end location of control tower 20, with the back-end location same degree Height and position, be integrally formed into the flat surface along horizontal or general horizontal direction.

Then, the Drive Section B of shape documented by solid line in Figure 15 is illustrated.

In Drive Section B, position and the shape documented by above-mentioned double dot dash line of the pedal lower surface 15U of Drive Section pedal 15 The case where shape, is compared, and difference of height h1 is higher by.Also, the upper surface of Drive Section pedal 15 is not compared as shown in above-mentioned double dot dash line Low stepped part as structure compared with example, is integrally formed into flat surface, on it equipped with the bottom surface 20U of control tower 20.It should Compared with the case where upper surface of Drive Section pedal 15 shape documented by the above-mentioned double dot dash line, it is higher by difference of height h2.

As a result, the upper end of control tower 20 be higher by compared with the structure of comparative example it is quite a lot of.But side plate 30 is upper Surface 31 is not formed as whole along horizontal or general horizontal direction flat surface, is formed as in its front part and rear section Different shapes.

That is, the front upper surface being connect with the upper rear end position of control tower 20 in the upper surface 31 of side plate 30 31A from the rear end of control tower 20, be formed as along the upper surface of control tower 20 backwards under inclined surface, further to its rear The rear upper surface 31B of connection is formed as the flat surface along horizontal or general horizontal direction.Also, rear upper surface 31B with The upper surface 31 of side plate 30 in the structure of comparative example is compared, and difference of height h3 is higher by.

As described above, the Drive Section B of shape documented by the solid line and Drive Section B using shape documented by double dot dash line The case where compare, whole slightly to improve, the height of the upper surface 31 of side plate 30 also slightly improves.From the upper table of Drive Section pedal 15 Face to side plate 30 rear upper surface 31B distance it is almost unchanged.

The Drive Section B of shape documented by solid line is comparable to the structure of the Drive Section B of the utility model in above-mentioned Figure 15.

The structure is easy to apply in following situation, that is, along with the enlargement for the engine 3 for being equipped on vehicle body frame 10, The enlargement etc. of gearbox 4, it is desirable to improve the position of the pedal lower surface 15U in Drive Section pedal 15, and will on the ground highly Ensure to obtain very high situation.Even if for example, being also not intended to be set to side plate 30 in the ground height for improving pedal lower surface 15U The position of various operating parts of upper surface 31, the height of driver's seat 2 improve in the case where be effective.

That is, the position with the Drive Section pedal 15 in the Drive Section B using comparative example documented by double dot dash line It is compared with the case where shape of 30 part of side plate, the Drive Section pedal 15 in the Drive Section B using shape documented by solid line 30 part of position and side plate shape in the case where, if with the mutual difference of height h1 of pedal lower surface 15U, Drive Section pedal The mutual difference of height h2 in 15 upper surface is compared, then because the difference of height h3 at the rear upper surface 31B of side plate 30 is fairly small, institute To be advantageous.

In addition, in 4 enlargement of engine 3 or gearbox, if will act as the quiet of the main transformer speed variator of traveling speed change The capacity of Hyaulic infinite variable speed mechanism is set to very greatly, then be easy to get speed change gear advantageous in the following areas.

That is, for hydrostatic stepless speed change device, it is known oblique by increasing on the basis of its function Plate angle and efficiently use in the relatively high gear region the case where.Therefore, in common harvester, by by itself and gearbox Gear type secondary speed-changing device combination in 4 occurs keeping off the " logical of region as " the road travel speed " in high gear region, as in Chang Zuoye travel speed ", as " lodging operation travel speed " in low gear region these three traveling forms.

In this configuration, hydrostatic stepless speed change device becomes gear type pair for such as top gear (100% output) Speed variator to the low gear for being suitable for " lodging operation travel speed ", the middle gear for being suitable for " usual operation travel speed ", be suitable for " road row Sail speed " these three gears of high gear switching and use.

But for the size of entire harvester, if the output of engine 3 or the appearance of hydrostatic stepless speed change device Amount have it is more than needed, then as shown in figure 16, can be using by the usage of hydrostatic stepless speed change device and gear type secondary speed-changing device Gear type secondary speed-changing device is switched to two gears and the simple and small-sized structure that carries out by combination.

Hydrostatic stepless speed change device is divided into middle gear (such as 50% output), such as top gear by representing for Figure 16 (100% output), and by its with can speed change be standard gear (gear) and high gear (second gear) this two gear type pair speed change kept off Device combines and the output state of the travel speed in the case where use.As shown in the table, had using capacity more than needed hydrostatic " the lodging work as low gear region, can occur in formula stepless speed change device and the gear type secondary speed-changing device for capableing of two gear speed changes Industry travel speed ", it is middle gear region " usual operation travel speed ", as " the road travel speed " in high gear region these three rows Sail form.

The miniaturization and simplification of gear type secondary speed-changing device easy to accomplish as a result,.

(one of other embodiments)

In the above-described embodiment, it illustrates before being configured to be extracted by the front-rear direction operation of bidirectional operation bar 13 The descending operation of processing unit C, and carried out by the operation of the left and right directions of bidirectional operation bar 13 from the steering operation for walking body Structure, but not limited to this.

For example, it is also possible to be configured to carry out extracting pretreating device C's by the left and right directions operation of bidirectional operation bar 13 Descending operation, and the structure from the steering operation for walking body is carried out by the operation in the front-back direction of bidirectional operation bar 13.

Other structures can use structure identical with above embodiment.

(the two of other embodiments)

In the above-described embodiment, it illustrates in Drive Section B, right and left of the front of side plate 30 relative to control tower 20 The structure that end side connects backward to end, but it is not limited to the structure.

For example, although it is not shown, being also possible to the front of side plate 30 still to be located on the left and right directions of the control tower The mode of the lateral outer side structure adjacent with the left and right directions end of control tower 20.

In addition, control tower 20 and side plate 30 are not limited to the structure being connected to each other, it is also possible to spaced slightly configure with gap Structure.

Other structures can use structure identical with above embodiment.

(the three of other embodiments)

In the above-described embodiment, it illustrates in bearing part, the first shaft portion 61 of bidirectional operation bar 13 will be supported Bar bearing support 50 is fixed on the horizontal plate face 22a of right side mounting bracket 22, and by the collateral axis of the winder of reel lift bar 14 Portion 40 is not limited to the structure can be supported on the structure of vertical plate face 22b in a manner of the adjusting of position.

For example, it can be the collateral axle portion 40 of the winder of reel lift bar 14 is fixed on right side mounting bracket 22 Horizontal plate face 22a, and will support bidirectional operation bar 13 first shaft portion 61 bar bearing support 50 by can position adjust in a manner of It is supported on the structure of vertical plate face 22b.

Other structures can use structure identical with above embodiment.

(the four of other embodiments)

In the above-described embodiment, it illustrates and branch is constituted by combination right side mounting bracket 22 and left side mounting bracket 23 The structure of bearing portion part, but it is not limited to the structure.For example, it can be by 23 structure of right side mounting bracket 22 and left side mounting bracket Integral structure.

Other structures can also use structure identical with above embodiment.

(the five of other embodiments)

In the above-described embodiment, the supporting structure as bidirectional operation bar 13, being not limited to use has each other substantially just The first shaft portion 61 of axle center y1, x1 of friendship and the structure of the second shaft portion 62, can be using the bearing knot being for example made of ball bearing The structure appropriate such as structure.In addition, the supporting structure as reel lift bar 14, it also can be using relative to bidirectional operation bar 13 Supporting structure and the structure appropriate such as completely self-contained supporting structure.

Other structures can use structure identical with above embodiment.

(the six of other embodiments)

In the above-described embodiment, it illustrates and is welded and fixed respectively in the inner face side of the inner face side of antetheca 20F and rear wall 20B Installed in front plate 26 and rear side mounting plate 27, and mounting bracket is welded and fixed in the installed in front plate 26 and rear side mounting plate 27 22,23 structure, but not limited to this.

For example, although it is not shown, still also can use the connecting structure of long hole or multiple mounting holes and bolt composition, general Installed in front plate 26 is linked to the inner face side of antetheca 20F, and the connection knot constituted using long hole or multiple mounting holes and bolt Rear side mounting plate 27 is linked to rear wall 20B by structure.

Thereby, it is possible to will include the mounting bracket 22 comprising installed in front plate 26 and rear side mounting plate 27,23, be supported on The entire aggregate of the collateral axle portion 40 of shaft supporting part 60 and winder of the mounting bracket 22,23 is configured to, relative to behaviour Installed to vertical 20 adjusting position of tower.

Other structures can use structure identical with above embodiment.

Industrial utilization possibility

The harvester of the utility model is not limited to full feed type combine harvester, can also be suitable for half feed type joint and receive The bean cutters such as cutting mill, soybean or corn picker etc..

Claims (10)

1. a kind of harvester, which is characterized in that on the top of the control tower for the front for being set to Drive Section, in the lateral direction The state of arrangement has: bidirectional operation bar, by the swinging operation of front-rear direction and left and right directions, carries out turning for travel machine body To the descending operation for operating and extracting portion；One-way operation bar carries out dialling standing grain wheel relatively by swinging operation in the front-back direction In the descending operation for extracting portion；

Before in first swing fulcrum of the front-rear direction swinging operation in the bidirectional operation bar and the one-way operation bar Second swing fulcrum of rear direction swinging operation is respectively set,

The control valve of operation is swung by the front-rear direction of the bidirectional operation bar and passes through the front and back of the one-way operation bar The control valve that direction swings and operates is made of a valve cell.

2. harvester as described in claim 1, which is characterized in that

Described in end and second swing fulcrum to second swing fulcrum side in first swing fulcrum The bearing part that the end of first swing fulcrum side is supported is set to the control tower.

3. harvester as claimed in claim 2, which is characterized in that

Have in the bearing part: supporting the water of the end of a side in first swing fulcrum and second swing fulcrum Flat portion；Support the vertical portion of the end of another party in first swing fulcrum and second swing fulcrum.

4. harvester as claimed in claim 2 or claim 3, which is characterized in that

The position of a side in first swing fulcrum and second swing fulcrum can be changed relative to the bearing part It sets and another party in first swing fulcrum and second swing fulcrum cannot be changed relative to the bearing part The mode of position is supported,

It is configured to adjust installation site of the valve cell relative to the control tower.

5. harvester as claimed in claim 2 or claim 3, which is characterized in that

It is configured to adjust bearing position of second swing fulcrum relative to the bearing part.

6. harvester as claimed in claim 2 or claim 3, which is characterized in that

The bearing part with across the antetheca of the control tower and the state support of rear wall in antetheca and rear wall, and to described The other end bearing that the end of the side opposite with the end of first swing fulcrum side of second swing fulcrum is supported Parts carry is on the cross wall of the left and right directions of the control tower.

7. harvester as claimed any one in claims 1 to 3, which is characterized in that

Horizontal sidepiece position on the left and right directions of the Drive Section is equipped with side plate,

The side plate so that the front state adjacent with the left and right directions end of the control tower is configured,

It is equipped with driver's seat in the horizontal side of the side plate,

The upper surface of the front of the side plate is located at the height and position identical or roughly the same with the top of the control tower, after Centre of the portion in the height and position lower than front along the setting of horizontal or general horizontal direction, between the front and rear portion of the side plate The upper surface in portion be formed as backwards under inclined surface.

8. harvester as claimed in claim 7, which is characterized in that

In the middle part of the side plate configured with gear lever is travelled, the clutch of homework department is configured at the rear portion of the side plate Bar.

9. harvester as claimed any one in claims 1 to 3, which is characterized in that

Horizontal sidepiece position on the left and right directions of the Drive Section, and in the left and right directions end of front and the control tower Adjacent position is equipped with side plate,

It is configured with driver's seat in the horizontal side of the side plate, is equipped with engine below the driver's seat,

The end in the lateral direction far from the engine side in the side plate has longitudinal wall along the vertical direction.

10. harvester as claimed in claim 9, which is characterized in that

Being equivalent in the longitudinal direction in the longitudinal wall is porous member with the part of the engine same position.