CN205161141U - Combine -harvester - Google Patents

Abstract

The utility model provides a combine -harvester, realizes being used for thresh operational structure's the simplification for the connection of clutch of separation and reunion operation. With state and the state of inboard along organism horizontal extension to the outside in order to follow driving portion that rotates the installation of gomphosis freely around same core relatively, what possess that clutch pole (84) the swing of will threshing supports freely threshes with rotating counter roll (118) and will cutting and get cutting to take and rotating counter roll (119) of tube -shape that clutch pole (85) swing supported freely, inboard tip threshing with rotation counter roll (118) is formed with than cuts the inboard axial region (118a) that lengthens of taking the more inside pleurapophysis of the inboard tip that rotates counter roll (119) and going out, link thresh clutch pole (84) in inboard extended shaft portion (118a), the clutch is threshed with linkage operational unit (124) to driving portion outside position binding threshing with rotating counter roll (118), take the inboard position that rotates counter roll (119) and link to cut and get clutch pole (85) cutting, take the outside position that rotates counter roll (119) and link to cut and get the clutch with linkage operational unit (129) cutting.

Description

Combine

Technical field

The utility model relates to and possesses threshing clutch lever at Drive Section and extract the combine of clutch lever.

Background technology

In existing combine, threshing clutch lever rotatably to be supported and the threshing rotating fulcrum be connected with threshing clutch linkage forms tubular, this tubular threshing with the inside of rotating fulcrum be embedded with by extract clutch lever rotatably support and with extract that clutch linkage is connected extract with rotating fulcrum, these rotating fulcrums relatively rotate around same axle core and are fitted installation (for example, referring to patent document 1) freely.

Prior art document

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2011-200130 publication

Utility model content

In combine, sheller unit needs large-scale and heavy weight threshing cylinder to rotate with high-speed driving, and, in sheller unit, carry a large amount of crops extracting in operation, in order to carry out threshing process to these crops, the driving load larger to sheller unit effect.On the other hand, the portion of extracting possesses standing crop is cut off the cutter extracted and the conveying plant etc. the crop extracted being delivered to sheller unit, but compared with sheller unit, drives load less.Its result, the tensile force transmitting or cut off to the belt tension formula threshing clutch of the power of sheller unit is comparatively large, transmits for operating physical force clutch being carried out to rupturing operation or cuts off large to the operating physical force extracting clutch of the power extracting portion than for operating.

In above-mentioned existing structure, due to threshing rotating fulcrum formation tubular and in the inside of this threshing rotating fulcrum, embedded extracting uses rotating fulcrum, therefore, being positioned at inner extracting can in the position link outstanding more outward to the threshing rotating fulcrum of tubular of the ratio of shaft end to extracting clutch lever or extracting the mechanism that is connected of clutch with rotating fulcrum.And the threshing rotating fulcrum needs of tubular link the mechanism that is connected to threshing clutch lever and threshing clutch at the pars intermedia of shaft core direction.

But, in order to carry out bonding operation to belt tension formula threshing clutch, need to overcome and drive reaction force that threshing clutch operating is remained on this position to clutch position.Therefore, as the mechanism connecting threshing clutch lever and threshing clutch, be connected usual outfit stop great-leap-forward (デ ッ De Port イ ン ト ?り get over え formula) mechanism, but as mentioned above, the threshing rotating fulcrum of tubular links the mechanism that is connected to threshing clutch lever and threshing clutch at the pars intermedia of shaft core direction, therefore, adopts the attended operation parts of special shape, such as, adopt and there are the attended operation parts bending to arc outer shape etc. connect.

Namely, adopt to have and walk around threshing rotating fulcrum and connect with the attended operation parts of the outer shape of bow action, thus by the rotating operation of threshing rotating fulcrum to clutched state, the reaction force acts of attended operation parts point can be made to cross over stop and keep with clutched state.

But, as mentioned above, larger operation reaction force in the connection operating structure effect for carrying out engaging rupturing operation to threshing clutch, therefore, if adopt the above-mentioned attended operation parts bending to arc special shape to be connected, then the attended operation parts like this with complicated shape must be made the large firm parts of intensity, cause connection operating structure complicated, process work consuming consuming time, also unfavorable for cost.

Therefore, the connection operating structure that can simplify for carrying out engaging rupturing operation to threshing clutch is wished.

The utility model provides a kind of combine, it is characterized in that,

Possess to threshing clutch carry out engage rupturing operation threshing clutch lever and to extract clutch carry out engage rupturing operation extract clutch lever,

To relatively rotate chimeric state of installing and with the state extending laterally to outside from the inner side of Drive Section along body freely around same axle core, possess the threshing rotating fulcrum that rotatably supported by described threshing clutch lever and extract the extracting of tubular that clutch lever rotatably supports use rotating fulcrum by described

Being formed at the medial end of described threshing rotating fulcrum extracts with the medial end of rotating fulcrum extending shaft portion, inner side more outstanding than described,

Described threshing clutch lever and extending shaft portion, described inner side link,

The threshing clutch combined operation parts of be connected described threshing clutch and described threshing clutch lever are linked with at the outside left of described threshing rotating fulcrum,

Describedly extract clutch lever and described extracting links with the inside line of rotating fulcrum, described extract with the outside left of rotating fulcrum be linked be connected described in extract clutch and described extract clutch lever extract clutch combined operation parts.

According to the utility model, extract and form tubular with rotating fulcrum, and extracting the embedded threshing rotating fulcrum in inside with rotating fulcrum, extend at the medial end being positioned at inner threshing rotating fulcrum and form extending shaft portion, inner side, threshing clutch lever and inside this extending shaft portion link, the threshing clutch Drive Section outside left of combined operation parts and threshing rotating fulcrum links.On the other hand, extract clutch lever and link with the inside line extracted with rotating fulcrum, extract clutch combined operation parts and link with the outside left extracted with rotating fulcrum.

Its result, as the mechanism connecting threshing clutch lever and threshing clutch, even if when have employed possess stop great-leap-forward be connected mechanism, also form the arc attended operation parts waiting arcuation without the need to using in the mode walking around threshing rotating fulcrum, but use the attended operation parts of the simple shapes such as such as rectangle.

Therefore, can provide and can be used for the workover rig that the connection operating structure that threshing clutch carries out engaging rupturing operation is simplified.

In the utility model, preferably, described in extract clutch combined operation parts one end and described extracting linked with rotating fulcrum, and the other end and the described clutch that extracts to be linked, form the arcuation extracted described in surrounding with rotating fulcrum,

Described combine possesses force application mechanism, and this force application mechanism drags force to the described clutch combined operation parts that extract to the described clutch layback that extracts.

According to this structure, extract and be configured to tubular with rotating fulcrum, therefore, link extracting clutch lever and extracting the mechanism that is connected of clutch with the pars intermedia of the shaft core direction of rotating fulcrum extracting.And, position is remained on respectively clutch dissengaged positions and engagement state to overcome the force of force application mechanism, stop great-leap-forward is adopted to be connected mechanism, for this reason, an end with extract to link with rotating fulcrum and the other end with extract the clutch combined operation parts that extract that clutch links and form the arcuation surrounding and extract use rotating fulcrum.

Even if adopt the attended operation parts of this special shape, still little than the operating physical force of threshing clutch for operating the operating physical force extracting clutch, therefore, do not need to make the intensity of attended operation parts too large, cause the possibility of complicated structure and high cost little.

In the utility model, preferably, be formed in the outboard end of described threshing rotating fulcrum and extract with the outboard end of rotating fulcrum lateral axle portion more outstanding than described,

Described threshing clutch combined operation parts and described lateral axle portion link,

To be positioned at the state than described threshing clutch combined operation parts position more to the inside, described extract to possess with the outside left of rotating fulcrum described in extract clutch combined operation parts.

According to this structure, lateral axle portion outstanding is laterally formed in the outboard end of threshing rotating fulcrum, threshing clutch combined operation parts and this lateral axle portion link, therefore, threshing clutch combined operation parts can be positioned at the position of the more lateral, end than lateral axle portion.Its result, even if when employing stop great-leap-forward is connected mechanism, combined operation parts also can not be interfered with threshing rotating fulcrum, therefore, do not need to be arranged to complicated shapes such as the outer shape of bow action or the outer shape being bent into roughly L-shaped, but the parts of simple shape can be arranged to.

In the utility model, preferably, side panel is possessed with the state of the horizontal side being arranged in Drive Section driver's seat, described side panel possess described threshing clutch lever and described in extract clutch lever, possess at described side panel: supporting frame, described threshing rotating fulcrum and described extracting rotatably support with rotating fulcrum by it; Cover, it covers the upper side of described supporting frame from top, and be formed described threshing clutch lever and described in extract the bullport that clutch lever inserts, described cover extends to the position more leaning on Heng Ce foreign side than the upper edge of the horizontal side of described supporting frame, to cover the upper edge of described horizontal side.

According to this structure, be positioned at the side panel of horizontal side, driver's seat, threshing rotating fulcrum and extract with rotating fulcrum the supporting frame that possesses by this side panel rotatably support.And the upper side tegmentum parts of supporting frame cover from top, threshing clutch lever and extract clutch lever and insert the bullport that is formed at cover with operationally outstanding upward configuration.

Therefore, threshing rotating fulcrum rotatably supports with rotating fulcrum with extracting by supporting frame, can stably carry out the joint rupturing operation extracting clutch and threshing clutch, and, possesses the cover covering side panel top, thus, by such as showing the mark of operation or the length of bullport is arranged to the length etc. corresponding with bar opereating specification on cover, bar operation is become and easily carries out.

And, cover is extended to Heng Ce foreign side in the mode of the ora terminalis covering the horizontal side of supporting frame, therefore, the roughly whole region of the upper side of side panel can be covered, the ora terminalis because of supporting frame is avoided to be exposed to foreign side, operator is contacted with the bight of supporting frame and the situation such as not feel well by mistake, thus easily carry out good manipulation operations.

In the utility model, preferably, described cover possesses: the inner side of the longitudinal attitude be formed with the guide portion of the lateral attitude of described bullport, extending from the outside portion of this guide portion downwards indulges face, from the outside portion of vertical face inside this laterally extending and by mounting be supported on the lateral attitude of the upper side of described supporting frame mounting portion, extend downwards from the outside portion of this mounting portion and be positioned at the vertical face in outside of the longitudinal attitude of the position of the horizontal side Geng Kaoheng side foreign side than described supporting frame.

According to this structure, by inserting the bullport of the guide portion being formed at lateral attitude, can be easy to the state support threshing clutch lever of operation and to extract clutch lever.In addition, the mounting portion of the vertical face in inner side and lateral attitude is set with the state be connected, therefore, stably can loads supporting in the upper side of supporting frame by the mounting portion of lateral attitude.And face is arranged at mounting portion downwards outside portion with the state connected is indulged in the outside of longitudinal attitude, therefore, the outside of horizontal side can be covered while the ora terminalis of horizontal side covering supporting frame, thus side panel entirety can be covered well.

In addition, the mounting portion of lateral attitude is set in the horizontal side of the guide portion of lateral attitude, therefore, when such as adopting the compartment covering Drive Section, utilize this mounting portion to load the frame parts in supporting compartment, thus, during equipment compartment, cover can be made not become obstacle, and can common cover parts, form the parts that usability is good.

Accompanying drawing explanation

Fig. 1 is the unitary side view of ordinary combine harvester;

Fig. 2 is the overall vertical view of ordinary combine harvester;

Fig. 3 is the vertical view of Drive Section;

Fig. 4 is the end view in former dynamic portion;

Fig. 5 is the vertical view representing fan rotary switching mechanism;

Fig. 6 is the action specification figure of fan rotary switching mechanism;

Fig. 7 is the action specification figure of fan rotary switching mechanism;

Fig. 8 is the stereogram of handover operation bar;

Fig. 9 is kinematic scheme;

Figure 10 represents the end view extracting clutch;

Figure 11 represents the front view extracting clutch;

Figure 12 represents the end view extracting clutch;

Figure 13 represents the longitudinal section front view extracting clutch;

Figure 14 is the end view representing side panel supporting structure;

Figure 15 is the longitudinal section front view representing side panel supporting structure;

Figure 16 is the exploded perspective view of panel scaffold;

Figure 17 is the end view representing clutch operating structure;

Figure 18 is the front view representing clutch operating structure;

Figure 19 is the longitudinal section end view of the support of main shift lever;

Figure 20 is the longitudinal section front view of the support of main shift lever;

Figure 21 is the front view of the clutch operating structure representing another embodiment.

Description of reference numerals

7 Drive Sections

7A driver's seat

40 side panels

65 threshing clutches

74 extract clutch

84 threshing clutch levers

85 extract clutch lever

90 supporting frames

90a upper side

116 bullports

117 covers

118 threshing rotating fulcrums

117A guide portion

Vertical face inside 117B

117C mounting portion

Vertical face outside 117D

Extending shaft portion inside 118a

119 extract and use rotating fulcrum

124 threshing clutch combined operation parts

129 extract clutch combined operation parts

Q recess

Embodiment

Below, based on accompanying drawing, the situation embodiment of combine of the present utility model being applied to ordinary combine harvester is described.

(overall structure)

Represent in Fig. 1,2 that with rice, wheat etc. be the ordinary combine harvester gathering in object.This combine possesses the body of advancing being equipped with pair of right and left crawler-tread 2 in the bottom of organism frame 1, be linked with freely around transverse axis core oscillating lifting in the front portion of this body of advancing and extract delivery section 3, this extract delivery section 3 be extract as harvesting object upright cereal stalk and rearward carry extract portion.And, organism frame 1 possesses: sheller unit 4, implement threshing process to from the cereal stalk that extracts extracting delivery section 3, and, Screening Treatment is implemented to the threshing handled thing obtained by this threshing process; Grain box 5, stores the grain from sheller unit 4; Cereal grain-discharging device 6, for discharging the grain being stored in grain box 5 outside machine; Operator takes and carries out the Drive Section 7 etc. of driver behavior.

Drive Section 7 is positioned on the right side of front part of a body, and grain box 5 is positioned at the rear of Drive Section 7.Under the state that sheller unit 4 is positioned at left side and grain box 5 is positioned at right side, sheller unit 4 and grain box 5 are set with the state arranged in left-right direction.Possess the engine 8 driven in the downside of Drive Section 7, the power of engine 8 transmits to each portion.

In addition, in this embodiment, definition left direction and right direction time, with towards during body direct of travel for benchmark definition left and right.

Extract delivery section 3 to possess: point careless apparatus 9, advance along with body and the combing of upright cereal stalk be divided into the upright cereal stalk of harvesting object and the upright cereal stalk outside harvesting object; Rotate reel 10, be rearward grilled into the upright cereal stalk as harvesting object; Push broach shape extract device 11, cut off the root side of upright cereal stalk as gathering in object; Horizontal auger conveyor 12, collects the predetermined portion of left and right directions center side by the cereal stalk that extracts after cutting off and rearward sends; By the feed appliance 13 etc. extracting cereal stalk and carry to sheller unit 4.And, extract delivery section 3 and can be supported freely around transverse axis core P1 lifting and swinging by not shown hydraulic cylinder.

Briefly, sheller unit 4 is formed in the following manner, namely, in the upper side of the inner space surrounded by the top board of the sidewall of the left and right sides and top, by the threshing cylinder 15 (with reference to Fig. 9) rotated around antero posterior axis core, carry out carrying the threshing process extracting cereal stalk of coming from feed appliance 13, threshing handled thing is filtered into grain, seconds, row's stalk bits etc.Grain is reclaimed screw rod 16 (with reference to Fig. 9) by one-level and is delivered to a laterally rear flank, is carried upward and be stored in grain box 5 by vertical conveying plant 17.Seconds is delivered to a laterally rear flank by secondary recovery screw rod 18 (with reference to Fig. 9), gets back to sheller unit 4 inner, arrange stalk bits etc. and be then discharged to foreign side on rear side of body by seconds reduction apparatus 19.After extracting the end of job, the grain being stored in grain box 5 is expelled to outside machine by cereal grain-discharging device 6.

As shown in Figure 1, the end screw rod 5a sent by the grain of storage to rear side foreign side is possessed in the bottom of grain box 5.Possess cereal grain-discharging device 6, it is carried the grain sent from the bottom of grain box 5 by end screw rod 19 to foreign side, and is expelled to the not shown discharge position of engine body exterior.

Cereal grain-discharging device 6 is screw feeders of known features, possesses: the grain that vertical screw rod conveyor 6a, the end screw rod 5a possessed the bottom by grain box 5 transversely send to foreign side is carried upward; Horizontal screw rod conveyor 6b, carries grain in the horizontal direction from the feeding terminal portion of vertical screw rod conveyor 6a.In addition, possess: connecting box 6c, connect bottom and the sheller unit 5 of vertical screw rod conveyor 6a; Connecting portion 6d, indulges screw rod conveyor 6a and horizontal screw rod conveyor 6b with the stateful connection be communicated with can carrying grain, and vertical screw rod conveyor 6a and horizontal screw rod conveyor 6b can be relatively rotated around transverse axis core at middle part and be connected freely.Grain can be expelled to outside from the outlet 6e of the leading section being formed at horizontal screw rod conveyor by this cereal grain-discharging device 6 after conveying grain.

And the power from engine 8 is discharged clutch 20 via belt tension formula and is passed to end screw rod 5a, this transmission of power is carried out rotary actuation to cereal grain-discharging device, thus carries out grain discharging operation.

By the driving of turning motor M, the entirety of cereal grain-discharging device 6 can carry out rotary manipulation freely around the upper lower shaft core Y at vertical screw rod conveyor 6a center.In addition, by the driving of lifting hydraulic cylinder C, horizontal screw rod conveyor 6b can carry out oscillating lifting freely around transverse axis core X.

As shown in Figure 4, former dynamic portion 27 is possessed in the below of the driver's seat 7A of Drive Section 7.As shown in Figure 3, possess in this former dynamic portion 27: engine 8, engine cool radiator 21, send the rotary fan (hreinafter referred to as fan) 22 of cooling air to radiator 21, change the fan rotary switching mechanism 23 (example of ventilation state switching mechanism) of the direction of rotation of this fan 22.In addition, possesses Air Filter 24, as the example preventing dust etc. from invading the dust-proof nasal obstruction in the cooling air supplied to radiator 21.

In addition, possess: for the air purifier 25 of the fuel air to engine 8 supply purification, for supplying the prepurifier 26 removing the air of larger dust from outer gas in advance to air purifier 25.As shown in Figure 1, 2, in the upside of engine 8 and the rear side of driver's seat 7A arranges air purifier 25.On the other hand, prepurifier 26 is positioned at the left rear side end of Drive Section 7, and is positioned at the higher position of the top cover 7B that possesses than Drive Section 7.By being provided to this position, grain box is carried out maintenance position toward the outer side stretch out operation time, the top cover 7B be wholely set with grain box can not interfere with prepurifier 26.

That is, grain box 5 is rotatably arranged around the upper lower shaft core of vertical screw rod conveyor 6a, and its attitude can be switched to the operating position of retiring from office inside body and the maintenance position stretched out to body Heng Ce foreign side freely.And, top cover 7B and prepurifier 26 can be avoided to change and interfere along with the attitude of grain box 5.

(fan rotary switching mechanism)

Then, the structure of fan rotary switching mechanism 23 is described.

As shown in Figure 4, first fan belt 33 is wound on the input belt wheel 32 of output pulley 28, rotation idler pulley 30, alternating current generator 31, output pulley 28 is installed on the output shaft 8a of engine 8, and rotation idler pulley 30 is rotatably installed on the rotating shaft 29 being supported on engine 8 side.The tensile force of transmission always given by tension force belt wheel 34 to the first fan belt 33.

As also shown in e.g. figs. 4-7, relatively with the blower pulley 22a that fan 22 rotates integrally rotatably outerly be installed on rotating shaft 29, and rotating shaft 29 relatively rotatably outer being provided with switch pendular body 35.In addition, the rotating forward belt wheel 36 coincidence of two belt wheel 36a, 36b one formed by shaft core direction and the reversion belt wheel 37 two belt wheel 37a, 37b one being overlapped on shaft core direction and formed rotatably are installed on switching pendular body 35.Second fan belt 38 is wound on blower pulley 22a, a belt wheel 36a of rotating forward belt wheel 36, a belt wheel 37a of reversion belt wheel 37.

When the cool position shown in pendular body 35 handover operation to Fig. 7 will be switched, the inner surface of the first fan belt 33 that another belt wheel 36b rotating forward belt wheel 36 always rotates to the direction of arrow in figure by being pressed in the output pulley 28 that rotates due to the output along with engine 8.By two belt wheels 36a, 36b of this rotating forward belt wheel 36, transmit the rotation of the first fan belt 33 to the second fan belt 38, this second fan belt 38 is rotated to the clockwise direction of the direction of arrow in figure.The power of the second fan belt 38 of such rotation drives as rotating forward, and the blower pulley 22a be integrated to direction of rotation and 22 one-tenth, fan transmits, thus fan 22 becomes positive rotation driving condition.In this condition, engine cool wind is supplied to radiator 21 from the outside in former dynamic portion 27 by Air Filter 24 by fan 22.That is, be in and attract outer gas and the positive stream mode of ventilating to radiator 21 via Air Filter 24.

When the dust-proof position shown in pendular body 35 handover operation to Fig. 6 will be switched, the outer surface of the first fan belt 33 that another belt wheel 37b of reversion belt wheel 37 always rotates to the direction of arrow in figure by being pressed in the output pulley 28 that rotates due to the output along with engine 8.By two belt wheels 37a, 37b of the belt wheel 37 that reverses, transmit the rotation of the first fan belt 33 to the second fan belt 38, this second fan belt 38 is rotated to the counter clockwise direction of the direction of arrow in figure.The power of the second fan belt 38 that such reversion rotates drives as reversion, and the blower pulley 22a be integrated to direction of rotation and 22 one-tenth, fan transmits, thus fan 22 becomes reversion driving condition.In this condition, fan 22 is blown to Air Filter 24 by radiator 21, is blown by dust such as being attached to the stalk bits of Air Filter 24 and flies to clean to foreign side.That is, the reverse flow state ventilated from radiator 21 to Air Filter 24 is become.

Then, the structure that fan rotary switching mechanism 23 carries out handover operation is described.

As shown in Fig. 4,6,7, the side panel 40 of Drive Section 7 possesses the handover operation bar 41 as handover operation instrument, and fan rotary switching mechanism 23, based on the manual operation of handover operation bar 41, is switched to positive stream mode and reverse flow state.Specifically, based on the operation of handover operation bar 41, switch pendular body 35 and switch to the cool position to the first fan belt 33 pressing rotating forward belt wheel 36 shown in Fig. 7 and the dust-proof position pressing reversion belt wheel 37 to the first fan belt 33 shown in Fig. 6.

As shown in Figure 3,4, handover operation bar 41 is located at the left rear side of driver's seat 7A and is positioned at the position of the rear portion side of side panel 40, is bearing in the front and back extended along the longitudinal direction on frame body 42 in the mode can carrying out swinging operation around transverse axis core P2 freely.At the base end part of handover operation bar 41, one rotatably arranges the balance wheel swing arm 43 extended along the longitudinal direction with the state of intersecting with the length direction of handover operation bar 41.In addition, be linked with helical spring (example of force application mechanism) 45 between middle part in the rear end side of balance wheel swing arm 43 and the spring seat portions in downside 44, thus namely the counter clockwise direction of handover operation bar 41 to Fig. 4 exerted a force towards positive stream mode swing.

As shown in Figure 4, before and after supported to frame body 42 by the pillar 46 that erects from organism frame 1 and other frame body, to on frame body 42 before and after this, the transverse axis core P3 that discharge clutch lever 47 is set around close to the position of above-mentioned transverse axis core P2 position is rotatably supported, and discharges clutch lever 47 and carries out joint and the cut-out that namely operation clutch discharges clutch 20.

As shown in Fig. 4,6,7, being fixed on the support plate 48 of body side close to the position switching pendular body 35, be rotatably supported with rotating operation body 49 around transverse axis core P4.This rotating operation body 49 is made up of the plate body of general triangular, and the leg-of-mutton roughly pars intermedia of this rotating operation body 49 is by support plate 48 pivot suspension.Support plate 48 possesses by limiting with rotating operation body 49 withstand effect the limiting part 50 swinging boundary.

The bight 49b relative with the rotating fulcrum 49a of rotating operation the body 49 and swaying direction end side position 35a switching pendular body 35 connects via spring 51, and the rotating fulcrum 49a place of rotating operation body 49 in a bight 49c be connected via the first working lines 52 with the swaying direction other end side 35b of switching pendular body 35.

And, one end of balance wheel swing arm 43 is connected via the second working lines 53 with another bight 49d in the one side at the rotating fulcrum 49a place of rotating operation body 49, and the rotating fulcrum 49a place of the other end of balance wheel swing arm 43 and rotating operation body 49 in the neighbouring position of a bight 49c be connected via the 3rd working lines 54.

Therefore, by spring 51, three working lines 52,53,54, rotating operation body 49 etc. forms the bindiny mechanism R of be connected handover operation bar 41 and fan rotary switching mechanism 23.

The fan rotary switching mechanism 23 of such formation is under the state of inoperation handover operation bar 41, by the stretched force-applying of helical spring 45, handover operation bar 41 counter clockwise direction (anticlockwise direction) in Fig. 7 swings stressed, therefore, when the second working lines 53 is operated by pulling, switch pendular body 35 and just exerted a force by swing to the clockwise direction (right rotation direction) in Fig. 7.Limit when switching pendular body 35 and abutting with limiting part 50 when further swinging, be just kept at this position (forward position) (reference Fig. 7).In this condition, switch pendular body 35 and be positioned at cool position, fan 22 is in rotating forward state.Now, handover operation bar 41 becomes the attitude of standing up of standing up upward.

When manual operation handover operation bar 41, when making it to swing to the clockwise direction of Fig. 6, the 3rd working lines 54 is operated by pulling, switches pendular body 35 to the counter clockwise direction in Fig. 6 by swinging operation.Limit when further swinging when switching pendular body 35 and abutting with limiting part 50, in this position (backward position) shut-down operation (reference Fig. 6).In this condition, switch pendular body 35 and be positioned at dust-proof position, fan 22 is in inverted status.Now, handover operation bar 41 become to front part of a body roll fall topple over attitude.When operator looses one's grip from the handover operation bar 41 that this topples over attitude, handover operation bar 41 automatically returns to attitude of standing up (forward position) because of the force of helical spring 45.

Therefore, handover operation bar 41 can stand up attitude and topple between attitude and carry out handover operation freely, when handover operation bar 41 be switched operate into stand up attitude time, fan rotary switching mechanism 23 is switched to positive stream mode, when handover operation bar 41 be switched operate into topple over attitude time, fan rotary switching mechanism 23 is switched to reverse flow state.

As shown in Figure 8, be provided with pin down parts 55 at the middle part in the move operation path of handover operation bar 41, this pins down parts 55 and can switch to the restraining function state of the handover operation pining down handover operation bar 41 freely and allow the non-active state of handover operation.Pin down parts 55 freely to carry out abutting the restraining function state of restriction handover operation bar 41 and allow the attitude of the non-active state of the move operation of handover operation bar 41 to change, carry out position maintenance by tightening knob bolt 56 under each state.

Under restraining function state, pining down parts 55 and enter in the swing operating area of handover operation bar 41, pining down handover operation bar 41 to toppling over Posture exchange by abutting restriction.In addition, in the non-applied state, pin down the swing operating area that parts 55 leave handover operation bar 41, thus allow handover operation bar 41 to toppling over Posture exchange.

Manually operation switches the operating state of fan rotary switching mechanism 23 in the above described manner, therefore, in the process of carrying out harvesting, fan rotary switching mechanism 23, according to the blockage of Air Filter 24, can be switched to reverse flow state in the suitable moment by operator.

And, be suitable for by notifying device notice moment fan rotary switching mechanism 23 being switched to reverse flow state.Such as, based on the Detection Information of the cooling water temperature of engine 8, if need to be switched to dust-proof state, the display floater 57 as notifying device just utilizing Drive Section 7 to possess shows this situation.Now, also can be notified by ring alarm.

(drive mechanism)

Then, drive mechanism is described.

As shown in Figure 9, the power of engine 8 is passed to the main transformer speed variator 61 be made up of hydrostatic stepless speed change device via the band transmission mechanism 59 possessing the first driving-belt 58, and by after this main transformer speed variator 61 speed change, be passed to the gearbox 62 arranged at the body front side of engine 8.In gearbox 62, be provided with the transmission mechanisms such as the secondary speed-changing device 63 of gear-engaged type and not shown rotation operating mechanism, the power being passed to gearbox 62 is passed to the moving device 2 of left and right via the transmission mechanism of gearbox 62 inside.

In addition, the power of engine 8 can be passed to the rotating shaft 67 of fan blower 66 with freely engaging or cut off via the belt tension formula threshing clutch 65 possessing the second driving-belt 64.In addition, from the left end of this fan blower rotating shaft 67 via the 3rd driving-belt 68 to each part device sheller unit 4, that is, reclaim swing driving mechanism 69 even flowing of screw rod 16, secondary recovery screw rod 18, screening to one-level.

On the other hand, from the left end of fan blower rotating shaft 67 via as the 4th driving-belt 70 of annular rotor of input, the relaying power transmission shaft 71 of left and right directions and bevel gear drive 72 threshing cylinder 15 transferring power to sheller unit 4.Extract clutch 74 to extract by power shaft 75 transferring power via possessing as the belt tension formula of the 5th driving-belt 73 of the annular rotor exported from relaying power transmission shaft 71, and extract with power shaft 75 to each portion transferring power extracting delivery section 3 from this.

Be provided with the reversing shaft 76 of left and right directions on the right side of bevel gear drive 72, and possess the transmission mechanism 77 that can engage or cut off the reversion of power freely, this transmission mechanism 77 can transmit Reverse Power to extracting with power shaft 75 from reversing shaft 76.Briefly, be set as transmission dissengaged positions by extracting clutch 74 and the transmission mechanism 77 of reversion is temporarily set as transmission engagement state from transmission dissengaged positions, entering line inversion driving, thus, when producing blocking extracting engaging-in cereal stalk in delivery section 3, this blocking cereal stalk can be removed.

Extract the rotating shaft of the driving side doubling as feed appliance 13 with power shaft 75, in addition, from relay axis 79 transferring power extracting the transverse direction possessed to the right horizontal side in the conveying top portion of feed appliance 13 via chain drive 78 with power shaft 75.In addition, from relay axis 79 to horizontal auger conveyor 12 with rotate reel 10 transferring power, and rotary power transmits to extracting device 11 via the power-supply change-over mechanism 80 of the reciprocating power being transformed into left and right directions.In addition, the power of engine 8 transmits to cereal grain-discharging device 6 via the belt tension formula discharge clutch 20 possessing the 6th driving-belt 81.

(Drive Section)

As shown in Figure 3, Drive Section 7 possesses front panel 82 in the front of driver's seat 7A, possesses freely can carrying out the action bars 83 of cross swing and showing the display floater 57 etc. of various information of the descending operation carrying out steering operation and extract delivery section 3 at front panel 82.

Side panel 40 is possessed in the horizontal side of driver's seat 7A.Possess at this side panel 40: to threshing clutch 65 carry out engaging rupturing operation threshing clutch lever 84, extract clutch lever 85, the main shift lever 86 of operation main transformer speed variator 61, the secondary gear lever 87, accelerator rod 88 etc. of operation secondary speed-changing device 63 to what extract that clutch 74 carries out engaging rupturing operation.In addition, the handover operation bar 41 etc. of the discharge clutch lever 89 cereal grain-discharging device 6 being switched to grain discharge state, the switching of aforementioned fan direction of rotation is possessed in the rear portion side of side panel 40.

The supporting structure of side panel 40 is described.

As shown in Figure 14,15,18, possesses the supporting frame 90 for support side panel 40.This supporting frame 90 possesses the upper flat face 90a forming upper panel face, and the state be connected with row in the left and right sides portion of upper flat face 90a is formed with vertical facial 90b, 90c.

As shown in figure 14, the position that the operation reaction force that supporting frame 90 utilizes panel scaffold 91 supporting erected from organism frame 1 to produce is maximum, that is, corresponding with the swing pivot position of main shift lever 86 position.In addition, the rear portion side position of supporting frame 90 is by other longitudinal framings (not shown) supporting erected from organism frame 1.

As shown in Figure 14,15,16, panel scaffold 91 erects from organism frame 1 at the front and back pars intermedia of engine 8 and gearbox 62.And, possess: the setting unit 91A extending longitudinally of lower side, erects from organism frame 1, and extend upward; Fore-and-aft direction extended portion 91B, links with the setting unit 91A extending longitudinally of lower side, and extended along the body front, upper direction of gearbox 62; The setting unit 91C extending longitudinally of upper side, links with the toe lateral position of fore-and-aft direction extended portion 91B, and extends upward.

More specifically, when overlooking, possess gearbox 62 in the downside at the toe lateral position of side panel 40, therefore, if framework is erected with the state that linearity is upward extended at this position, need to link with the outer surface of gearbox 62.If like this at gearbox 62 scaffold, just there is the vibration passing that produces due to the driving condition unfavorable condition to side panel 40.

Therefore, erect from organism frame 1 at the front and back pars intermedia of engine 8 and gearbox 62, the top along gearbox 62 forwards extends, and arranges the setting unit 91C extending longitudinally of the upper side extended upward afterwards, thus support side panel 40.

As shown in figure 16, the setting unit 91A extending longitudinally of lower side forms flute profile with state aft-opening when overlooking to concrete structure.And, be linked with the first connecting member 92 in roughly L-shaped in front view in the upper end of the setting unit 91A extending longitudinally of lower side, be integrally linked with the vertical facial 93a in the second roughly inverted L-shaped connecting member 93 in front view in the outside of the vertical facial 92a of this first connecting member 92.In addition, between the vertical facial 92a and level face 92b of the first connecting member 92, possess multiple ribs 92c, between the vertical facial 93a and level face 93b of the second connecting member 93, also possess multiple ribs 93c.

Like this, form fore-and-aft direction extended portion 91B by the first connecting member 92 and the second connecting member 93, be fixedly formed as the setting unit 91C extending longitudinally of the upper side of square tube shape and it is extended upward in the upper side of the level face 93b of the second connecting member 93.

Form notch recesses 92d, 93d respectively at vertical facial 92a, 93a of the first connecting member 92 and the second connecting member 93, form through left and right directions under the state that these notch recesses link at the first connecting member 92 and the second connecting member 93 one and the long elongated hole of length on fore-and-aft direction.In addition, bolt mounting holes 92e, 93e is formed with in the both sides, front and back of notch recesses 92d, 93d.

This notch recesses 92d, 93d and bolt mounting holes 92e, 93e are used for installing in the mode freely adjusting front and back position rotating hub portion 96, rotate the turning cylinder 95 of the brake pedal 94 that hub portion 96 supporting driver portion 7 possesses.That is, as shown in figure 16, rotate hub portion 96 under the state of inserting elongated hole in front-rear direction the horizontal outside of extended portion 91B extend, be formed with flange part 97 at its horizontal outside left.Flange part 97 is linked by the bolt 98 being installed on bolt mounting holes 92e, 93e, but the bolt insertion hole 99 being formed at flange part 97 is elongated holes longer in the longitudinal direction, can adjust the front and back position of flange part 97 in the scope of elongated hole.

As shown in figure 15, the turning cylinder 95 of brake pedal 94 is arranged on the right side of the bottom of the left end of Drive Section pedal 100 rotation hub portion 101, the rotation hub portion 96 in left side that is located at panel scaffold 91 as described above rotatably support.The panel scaffold 91 of the frame body 102 of Drive Section 7 side of the rotation hub portion 101 on supporting right side and the rotation hub portion 96 in supporting left side erects fixing relative to organism frame 1 respectively, and therefore in manufacture process, assembly precision may produce individual difference.Its result, due to this scale error, likely cannot assemble turning cylinder 95 well in the rotation hub portion 96,101 of the left and right sides, but as mentioned above, rotating hub portion 96 by installing in the mode freely adjusting front and back position on panel scaffold 91, during assembling, can fabrication error be absorbed.

As shown in figure 15, between the rotation hub portion 101 and the rotation hub portion 96 in left side on the right side of turning cylinder 95, be linked with the base end part 94a of brake pedal 94 and the linkage 103 as the bindiny mechanism be connected with not shown braking operation portion.Like this, the effect of linking at the position clamped by the rotation hub portion 96 of the rotation hub portion 101 on right side and left side has the parts driving reaction force, thus, can carry out rotating support under the state that the deflection deformation of turning cylinder 95 etc. is less.As shown in figure 15, the position of the Drive Section side in the base end part 94a of brake pedal 94 and turning cylinder 95 links.

As mentioned above, the bottom of the first connecting member 92 in the setting unit 91A extending longitudinally of lower side and fore-and-aft direction extended portion 91B links, and the top of the second connecting member 93 in the setting unit 91C extending longitudinally of upper side and fore-and-aft direction extended portion 91B links.And the first connecting member 92 and the second connecting member 93 are purchased with the state arranged in left-right direction, therefore, the setting unit 91C extending longitudinally of upper side misplaces in the horizontal relative to the setting unit 91A extending longitudinally of lower side.

Therefore, as shown in figure 15, from body front, panel scaffold 91 forms the upper lateral part roughly crank shape horizontal relative to following side deflection.In addition, between fore-and-aft direction extended portion 91B and the setting unit 91A extending longitudinally of lower side, be formed with the ribs 104 of lateral attitude, between fore-and-aft direction extended portion 91B and the setting unit 91C extending longitudinally of upper side, be formed with the ribs 105 of lateral attitude.

As shown in Figure 14,15, have strainer 106 at the fixed bearing of centre position up and down of the setting unit 91A extending longitudinally of lower side, this strainer 106 is for giving tensile force to from engine 8 to the first driving-belt 58 of gearbox 62 transferring power.

Tension mechanism 106 possesses: lateral shaft portion 107, and by through in left-right direction for the setting unit 91A extending longitudinally of lower side when overlooking being flute profile, and one is extended in horizontal foreign side; Motion arm 108, is rotatably supported on the leading section in this lateral shaft portion 107, and extends to rear side; Tension force wheel body 109, is rotatably supported on the rear end of this motion arm 108.In addition, be supported on a pivot on organism frame 1 in bottom and the barred body 110 that vertically extends supports helical spring 111, thus elastic force-applying to tension force wheel body 109 downwards.Like this, tension force wheel body 109 is made always to give tensile force to the first driving-belt 60.

As shown in Figure 14,15,18, possess: the fore-and-aft direction reinforcing frame support body 112 of square tube shape, it is positioned at the vertical face downside in the left side of the supporting frame 90 of side panel 40, and the leading section of plate 40 extends to rearward end from the side; Longitudinal reinforcing frame support body 113, it is from the position securing elongated setting upward more rearward of the front and back pars intermedia than this fore-and-aft direction reinforcing frame support body 112.

As shown in figure 15, the reinforcing frame support body 112 of fore-and-aft direction links fixing via the bracket 114 in flute profile in the front view being fixed on panel scaffold 91.The rear lateral portion of fore-and-aft direction reinforcing frame support body 112 and another not shown longitudinal framing link fixing.And, under the state extended upward integratedly from the position of the side a little rearward of the front and back pars intermedia than this fore-and-aft direction reinforcing frame support body 112, link and be fixed with longitudinal reinforcing frame support body 113 that cross sectional shape is flute profile.

As shown in figure 18, the bottom of longitudinal reinforcing frame support body 113 and fore-and-aft direction reinforcing frame support body 112 link fixing, and under the state that the axle supporting that upper end is stated after clamping connects jointly with frame support bracket 115, bolt is fixed on the vertical facial 90b of supporting frame 90.

Side panel 40 possesses cover 117, and this cover 117 covers the upper flat face 90a of supporting frame 90 from top, and is formed with threshing clutch lever 84 and extracts the bullport 116 that clutch lever 85 inserts.Cover 117 is formed by synthetic resin material, as shown in figure 15, cover 117 possesses: the guide portion 117A forming the lateral attitude of bullport 116, facial 117B is indulged in the inner side of the longitudinal attitude extended downwards from the outside portion of this guide portion 117A, inside this, the outside portion of vertical facial 117B extends transversely and loads the mounting portion 117C of the lateral attitude of the upper flat face 90a being supported on supporting frame 90, extend downwards from the outside portion of this mounting portion 117C and be positioned at and more indulge facial 117D by the outside of the longitudinal attitude of the position of Heng Ce foreign side than the vertical facial 90c of supporting frame 90.

By forming cover 117 like this, can cover the bight of the upper side entirety of side panel 40 and the end of the left and right sides sleekly, even if Body contact occurs the driver being seated at driver's seat 7A, the possibility do not felt well is also less.

Then, threshing clutch lever 84 and the supporting structure that extracts clutch lever 85 are described.

As shown in figure 18, under the state relatively rotating chimeric installation freely around same axle core, and under the state extending laterally to outside from the inner side of Drive Section 7 along body, be configured with the threshing rotating fulcrum 118 that rotatably supported by threshing clutch lever 84 and the extracting with rotating fulcrum 119 of tubular that clutch lever 85 rotatably supports will be extracted.

Than the position more on the right side, centre position of vertical facial 90b, 90c of the left and right sides in supporting frame 90, the state linked with one below upper flat face 90a possesses the vertical facial 90d of relaying, is formed with the pivot suspension hub portion 120 on right side at the vertical facial 90d of this relaying.In addition, the frame support bracket 115 that the vertical facial 90b bolt in feed appliance side (left side) is fixed in supporting frame 90 integrally possesses the pivot suspension hub portion 121 in left side.Threshing rotating fulcrum 118 is rotatably supported by the pivot suspension hub portion 120,121 of left and right with rotating fulcrum 119 with extracting.

Therefore, threshing rotating fulcrum 118 is supported with the state that foreign side is outstanding more to the left of the vertical facial 90b than feed appliance side with rotating fulcrum 119 with extracting.Frame support bracket 115 bolt under the state clamped by the vertical facial 90b of the feed appliance side of supporting frame 90 and longitudinal reinforcing frame support body 113 is fixed.

As shown in figure 18, inner side extending shaft portion 118a is formed at the medial end of threshing rotating fulcrum 118, inside this, extending shaft portion 118a gives prominence to more to the inside than the medial end extracted with rotating fulcrum 119, on extending shaft portion, inner side 118a, unitary rotation link link state under the outer base end side hub portion 122 being provided with threshing clutch lever 84.The end side of base end side hub portion 122 abuts with the pivot suspension hub portion 121 in left side, and another side of base end side hub portion 122 is located by pin 123 anti-avulsion and is placed and comes off.

Lateral axle portion 118b is formed in the outboard end of threshing rotating fulcrum 118, this lateral axle portion 118b gives prominence to more laterally than the outboard end extracted with rotating fulcrum 119, and extending shaft portion, outside 118b is linked with threshing clutch combined operation parts 124.

As shown in figure 17, threshing clutch combined operation parts 124 are made up of rectangular-shaped sheet material, and link with lateral axle portion 118b one.And in the swing end of this threshing clutch with combined operation parts 124, connection shaft portion 125 pivot suspension via transverse direction is linked with operation of relays parts 126.Via connecting rod 127 and spring 128, these operation of relays parts 126 are connected with threshing clutch 65.

Extract clutch lever 85 extracting to be linked with the inside line of rotating fulcrum 119, extract clutch combined operation parts 129 extracting to be linked with the outside left of rotating fulcrum 119.That is, than threshing clutch lever 84 a little by the position outside Drive Section 7, extract clutch lever 85 extracting integrally to be linked with the peripheral part of rotating fulcrum 119.

In addition, as shown in Figure 17,18, extracting the position close to outboard end with rotating fulcrum 119, integrally be linked with swing arm 130 at its peripheral part, link at the swing end pivot suspension of this swing arm 130 and there is the end that the combined operation parts 129 bending to arc outer shape are seen in side.The other end of combined operation parts 129 via working lines 131 and spring 132 with extract clutch 74 and be connected.Utilize the recess bending to arc outer shape of these combined operation parts 129, formed and walk around from when extracting and observe with the shaft core direction of rotating fulcrum 119 the recess Q extracted with rotating fulcrum 119.

In addition, in fig. 17, for ease of understanding structure, with the state representation threshing clutch combined operation parts 124 of position deviation with extract clutch combined operation parts 129.

Be described extracting clutch 74.

As shown in Figure 10 ~ 13, the input belt wheel portion 135a as input rotary body that the power of engine 8 is inputted via the 4th driving-belt 70 and using the power of input via the 5th driving-belt 73 to being integrally formed as single transmission rotary body and power transmission belt wheel 135 as extracting the output pulley portion 135b exporting rotary body of extracting that delivery section 3 transmits, this power transmission belt wheel 135 is installed on relaying power transmission shaft 71 rotatably integrally.Output pulley portion 135b is arranged on than input belt wheel portion 135a more by the position of the shaft end side of relaying power transmission shaft 71.

Be formed along the recessed recess 136 of shaft core direction in the shaft core direction side of power transmission belt wheel 135.Relaying power transmission shaft 71 rotatably in be loaded on the inside of tubular case 137, power transmission belt wheel 135 is installed on the shaft end given prominence to outward from tubular case 137 in relaying power transmission shaft 71 rotatably integrally.Namely, as shown in figure 13, power transmission belt wheel 135 in input belt wheel portion 135a as by multiple (specifically, two) the 4th driving-belt 70 is with large the connecting type tape wrapping portion more and formed of width of the state of arrangement winding, and the state connecting the inside in the tape wrapping portion of type to be positioned at this is formed with recess 136 more.And the tubular case 137 built with relaying power transmission shaft 71 configures with the state entering recess 136.

Be positioned in power transmission belt wheel 135 than input belt wheel portion 135a more by the output pulley portion 135b of the position of shaft end side, its diameter is less than input belt wheel portion 135a.On the other hand, be installed on extract with power shaft 75 and between input belt wheel portion 135a, be wound with the 5th driving-belt 73 extract input belt wheel 138, its diameter is larger than input belt wheel portion 135a.Therefore, during the 5th driving-belt 73 transferring power, compared with the power provided to threshing cylinder 15, be decelerated to the power extracting delivery section 3.

The outer hub portion 135c being installed on relaying power transmission shaft 71 is formed inside the direction, footpath of output pulley portion 135b, path cylinder portion 135d is formed in the shaft end side of this hub portion 135c, this path cylinder portion 135d engages with the stage portion being formed at relaying power transmission shaft 71, and is embedded in path axle portion 71a outward.In addition, hub portion 135c and relaying power transmission shaft 71 to be linked link rotatably integrally by key 139.

As shown in Figure 12 and Figure 13 (a), specific output belt wheel portion 135b in the shaft end of relaying power transmission shaft 71 is more provided with tension force clutch mechanism 140 by the position of end side, and this tension clutch mechanism 140 can switch to freely and give the transmission engagement state of tension force and the transmission dissengaged positions of releasing tension force imparting to the 5th driving-belt 73.

Tension force clutch mechanism 140 possesses: tension arm 142, is supported on relaying power transmission shaft 71 via bearing 141 is rotatably outer; Tension force wheel body 143, is supported on this tension arm 142, acts on the 5th driving-belt 73; Helical spring 144, as the force application mechanism to tension force wheel body 143 from the direction that the 5th driving-belt 73 leaves, tension arm 142 being carried out to rotation urging; As the working lines 145 of attended operation mechanism, based on the operation extracting clutch lever 85 that Drive Section 7 possesses, overcome the force of helical spring 144 and rotating operation tension arm 142, make tension force wheel body 143 act on the 5th driving-belt 73 and give tensile force.

As shown in Figure 13 (b), bearing 141 peripheral part be separately installed with circlip 146 along two positions that shaft core direction separates, the rotation base end of tension arm 142 is clamped by a pair circlip 146, the outer peripheral part being installed on bearing 141 under the state that the disengaging of shaft core direction is prevented from.At the threaded portion 71b of the shaft end being formed at relaying power transmission shaft 71, nut 147 is installed, utilizes this nut 147 the power transmission belt wheel path cylinder portion 135d of 135 and the inner ring of bearing 141 to be fastened and fixed.

Helical spring 144 opens and is arranged on from the extension arm 142a of the securing elongated setting of tension arm 142 and extends between the spring seat portions 149 of formation from the latch for printed circuit 148 of the sidepiece being formed at sheller unit 4.Latch for printed circuit 148 is for keeping the position of the opening and closing lid freely (not shown) of the horizontal side covering sheller unit 4.

When extracting clutch lever 85 and be operated to off-position, working lines 145 will relax, and due to the elastic force of helical spring 144, tension force wheel body 143 leaves from the 5th driving-belt 73, is switched to transmission dissengaged positions (clutch dissengaged positions).When clutch lever 85 will be extracted be operated to bonding station, overcome the force of helical spring 144, carry out pulling operation by working lines 145 pairs of tension arms 142, tension force wheel body 143 acts on the 5th driving-belt 73 and gives tensile force, switches to drive state (clutched state).

Therefore, be made up of the 5th driving-belt 73 and tension force clutch mechanism 140 and extract clutch 74.

And, as mentioned above, the relaying power transmission shaft 71 of body transverse direction and the cylinder shaft 15a of body fore-and-aft direction link via bevel gear drive 72 and link, on relaying power transmission shaft 71, the power of input is distributed into via extracting clutch 74 to extracting the power that delivery section 3 is transmitted and the power transmitted to the threshing cylinder 15 of sheller unit 4.

Then, the variable speed operation structure of advancing is described.

As shown in Figure 15,19,20, being linked with when front is seen at the horizontal sidepiece of the setting unit 91C extending longitudinally of the upper side of panel scaffold 91 is the frame support bracket 150 of flute profile, is fixed with fulcrum pin 151 with the state transversely outstanding to 7A side, driver's seat from this frame support bracket 150.And the rotating-operation member 152 be connected with the base end side of main shift lever 86 is rotatably supported by fulcrum pin 151 and is freely retentively supported in arbitrary turned position by the maintaining body 153 that rubs.

The plate body that rotating-operation member 152 is connected by row is formed, possesses: central support 152a, the central support 152a of formation channel-shaped when overlooking with the state making friction maintaining body 153 and be positioned at its inside in centre position, front and back; Operation linking part 152b, it is positioned at the both sides, front and back of this central support 152a.The bottom of main shift lever 86 is supported on the inside of central support 152a, freely can swing around the axle core X of fore-and-aft direction, and stressed by return spring 154 center side swing to the left and right.In addition, by the operation of the fore-and-aft direction of main shift lever 86, rotating-operation member 152 around the lateral shaft core P5 of fulcrum pin 151 by swinging operation integratedly.

As shown in figure 19, at the left surface of the toe lateral end of the operation linking part 152b of toe lateral, be linked with the upper end of main transformer speed action bars 155 via ball-joint 156 pivot suspension.The main transformer speed bottom of action bars 155 and the variable speed operation arm 157 of main transformer speed variator 61 are connected.

When main shift lever 86 is operated to toe lateral from the neutral position being positioned at front and back central portion, operated by the variable speed operation arm 157 that main transformer speed action bars 155 is connected, main transformer speed variator 61 forward direction speedup.In addition, when by main shift lever 86 from neutral position operation to rear portion side time, make main transformer speed variator 61 speedup and carry out variable speed operation in the reverse direction.

As shown in figure 20, on the right flank at the position that the main transformer speed action bars 155 of the operation linking part 152b of toe lateral links, be fixed with fastener 158 along the direction orthogonal with plate face.By such configuration card stop 158, the upper end of main transformer speed action bars 155 just can be installed from the left surface of the operation linking part 152b of toe lateral, and can not install from right flank mistake.If this is because, install from right flank, possibly the link with variable speed operation arm 157 cannot be carried out well.

As shown in Figure 14,15, the turning cylinder 95 of brake pedal 94 is linked with unitary rotation cursor 159 freely, this cursor 159 arranges horizontal locking pin 160.And, be provided with the operation ring 161 of a pair neutral reset connecting brake pedal 94 and main shift lever 86.The bottom of each operation ring 161 is connected together via elongated hole 162 longer on above-below direction and locking pin 160, and the operation linking part 152b difference pivot suspension of upper end and toe lateral and rear portion side links.

When brake pedal 94 is not entered into operation time, a pair operation ring 161 can freely slide movement in the scope of elongated hole 162, allows the variable speed operation that main shift lever 86 carries out.When operating when entering into brake pedal 94, even if main shift lever 86 has been operated to arbitrary operation domain in forward operation territory and back operation territory and has carried out position maintenance by friction maintaining body 153, also rotating-operation member 152 can be made forcibly to be reset to neutral position by the operation ring 161 of arbitrary neutral reset, thus main transformer speed variator 61 is switched to neutral condition.

As mentioned above, possess the operating mechanism of various connection in the downside of side panel 40, the left and right sides portion on the downside of side panel 40 possesses shield, and these operating mechanisms are not exposed outward.Namely, as shown in figure 15, the right side shield 163 covering whole region, side is possessed in the side of 7A side, driver's seat, left side shield 164 is possessed in the side of the opposition side of driver's seat 7A, on the left of this, the upper side of shield 164 and the vertical facial 90b of supporting frame 90 link, and the reinforcing frame support body 112 of lower side and fore-and-aft direction links.

(other embodiments)

(1) in the above-described embodiment, illustrate and extract clutch combined operation parts 129 and see that the combined operation parts bending to arc outer shape are formed by having side, but be not limited to this shape, also flute profile can be formed, also dihedral etc. can be formed, in a word, as long as form the recess walked around and extract with rotating fulcrum 119 time viewed from the shaft core direction extracted with rotating fulcrum 119, to make by pulling force, the rotating operation power to clutched state is made to cross over stop and work.

(2) in the above-described embodiment, configure threshing clutch lever 84 at side panel 40 and extract clutch lever 85, but also can replace this structure, making front panel possess threshing clutch lever 84 and extract clutch lever 85.

(3) in the above-described embodiment, cover 117 possesses: the guide portion 117A of lateral attitude, facial 117B is indulged in the inner side of the longitudinal attitude extended downwards from the outside portion of this guide portion 117A, inside this, the outside portion of vertical facial 117B extends transversely and loads the mounting portion 117C of the lateral attitude of the upper side 90a being supported on supporting frame 90, to extend downwards from the outside portion of this mounting portion 117C and facial 117D is indulged in the outside being positioned at the longitudinal attitude of the position of the horizontal side Geng Kaoheng side foreign side than supporting frame 90, but also can replace this structure, in the cover possessing the compartment covered above Drive Section 7, following formation.

As shown in figure 21, the bottom of indulging facial 117B in the inner side of above-mentioned embodiment cuts off, thus facial 117D is indulged in the outside of the mounting portion 117C and longitudinal attitude that do not arrange lateral attitude, also can replace this structure, on the upper side 90a of supporting frame 90, mounting supporting covers the supporting frame 166 in the compartment 165 above Drive Section 7.

(4) in the above-described embodiment, possess the top cover 7B of top covering Drive Section 7, but also can replace top cover 7B, possess and form roughly box like and the compartment covering Drive Section 7 entirety.And, in the structure possessing this compartment, also prepurifier 26 can be arranged on the position lower than car body top.

(5) in the above-described embodiment, illustrate the ordinary combine harvester as combine, but the utility model is not limited to ordinary combine harvester, also goes for head feeding type combined harvester.

Utilizability in industry

The utility model is applicable to ordinary combine harvester or head feeding type combined harvester.

Claims (6)

1. a combine, is characterized in that,

Possess to threshing clutch carry out engage rupturing operation threshing clutch lever and to extract clutch carry out engage rupturing operation extract clutch lever,

To relatively rotate chimeric state of installing and with the state extending laterally to outside from the inner side of Drive Section along body freely around same axle core, possess the threshing rotating fulcrum that rotatably supported by described threshing clutch lever and extract the extracting of tubular that clutch lever rotatably supports use rotating fulcrum by described

Being formed at the medial end of described threshing rotating fulcrum extracts with the medial end of rotating fulcrum extending shaft portion, inner side more outstanding than described,

Described threshing clutch lever and extending shaft portion, described inner side link,

The threshing clutch combined operation parts of be connected described threshing clutch and described threshing clutch lever are linked with at the outside left of described threshing rotating fulcrum,

Describedly extract clutch lever and described extracting links with the inside line of rotating fulcrum, described extract with the outside left of rotating fulcrum be linked be connected described in extract clutch and described extract clutch lever extract clutch combined operation parts.

2. combine as claimed in claim 1, is characterized in that,

One end and described extracting link with rotating fulcrum by the described clutch combined operation parts that extract, and are linked in the other end and the described clutch that extracts, and form the arcuation extracting described in surrounding and use rotating fulcrum,

Described combine possesses force application mechanism, and this force application mechanism drags force to the described clutch combined operation parts that extract to the described clutch layback that extracts.

3. combine as claimed in claim 1, is characterized in that,

Being formed in the outboard end of described threshing rotating fulcrum extracts with the outboard end of rotating fulcrum lateral axle portion more outstanding than described,

Described threshing clutch combined operation parts and described lateral axle portion link,

To be positioned at the state than described threshing clutch combined operation parts position more to the inside, described extract to possess with the outside left of rotating fulcrum described in extract clutch combined operation parts.

4. combine as claimed in claim 2, is characterized in that,

Being formed in the outboard end of described threshing rotating fulcrum extracts with the outboard end of rotating fulcrum lateral axle portion more outstanding than described,

Described threshing clutch combined operation parts and described lateral axle portion link,

To be positioned at the state than described threshing clutch combined operation parts position more to the inside, described extract to possess with the outside left of rotating fulcrum described in extract clutch combined operation parts.

5. the combine according to any one of Claims 1 to 4, is characterized in that,

Side panel is possessed with the state of the horizontal side being arranged in Drive Section driver's seat,

Described side panel possess described threshing clutch lever and described in extract clutch lever,

Possess at described side panel: supporting frame, described threshing rotating fulcrum and described extracting rotatably support with rotating fulcrum by it; Cover, it covers the upper side of described supporting frame from top, and be formed described threshing clutch lever and described in extract the bullport that clutch lever inserts,

Described cover extends to the position more leaning on Heng Ce foreign side than the upper edge of the horizontal side of described supporting frame, to cover the upper edge of described horizontal side.

6. combine as claimed in claim 5, is characterized in that,

Described cover possesses: the inner side of the longitudinal attitude be formed with the guide portion of the lateral attitude of described bullport, extending from the outside portion of this guide portion downwards indulges face, from the outside portion of vertical face inside this laterally extending and by mounting be supported on the lateral attitude of the upper side of described supporting frame mounting portion, extend downwards from the outside portion of this mounting portion and be positioned at the vertical face in outside of the longitudinal attitude of the position of the horizontal side Geng Kaoheng side foreign side than described supporting frame.