CN101138970A - Combined harvester - Google Patents

Abstract

The present invention provides a combine harvester which is provided with an engine hood (21) and a driver seat (51) supported by the engine hood at the driving part (50). In the combine harvester the engine hood (21) and the driver seat (51) is composed can be switched to a closed state that the engine hood (21) covers the engine (28) and an open state that the engine hood (21) opens the engine (28) around the opening and closing axes (X) exposed along the up-and-down direction, the opening and closing axes (X) is arranged nearer to the back in the front-and-back direction of the machine body comparing with the engine (28), and is arranged nearer to the inner side in the transverse direction of the machine body comparing with the exterior side (28b) of the engine (28).

Description

Combination machine

Technical field

The present invention relates to combination machine, more particularly, relate to and in Drive Section, possess car bonnet and by the combination machine of the driver's seat of this car bonnet supporting.

Background technology

In combination machine as described above, the combination machine shown in for example TOHKEMY 2001-136823 number, TOHKEMY 2004-34780 number was arranged in the past.

In the combination machine shown in TOHKEMY 2001-136823 number, the driver's seat is installed on the upper surface of engine case.With control tower, step, engine case, side plate integrated lid be bearing on the organism frame via the fulcrum joint.Lid is that the center is that swing upward at the center to foreign side's swing and with the horizontal fulcrum of fulcrum joint slightly sidelong with vertical fulcrum of fulcrum joint, and thus, engine case and driver's seat rise with respect to organism frame and rotate, and driving engine is opened wide.

In the combination machine shown in TOHKEMY 2004-34780 number, the driver's seat is bearing on the car bonnet.Car bonnet rise and fall to open and close and to be bearing in freely on the cover support, the cover support below the front of the floor of Drive Section around body up and down towards pivot center rotate and be attached on the organism frame freely.By the car bonnet lodging is unlimited, and make the cover support rotate around pivot center, car bonnet and driver's seat move to the body horizontal stroke outside around pivot center with respect to the organism frame rotation, and driving engine is unlimited.

If can carry out opening wide of driving engine by adopting the technology shown in TOHKEMY 2001-136823 number, then car bonnet and driver's seat rotate around the horizontal axle center of body.Therefore, for driving engine being opened wide to there is not the state of operation obstacle above driving engine, the needs that make car bonnet and driver's seat etc. rise to eminence from closing state have been produced.So, have opening and closing operations to become heavy tendency.

If can carry out opening wide of driving engine by adopting, then when driving engine is opened wide, become the state that car bonnet and driver's seat expose sidelong laterally significantly from body in the technology shown in TOHKEMY 2004-34780 number.

Summary of the invention

The purpose of this invention is to provide a kind of driving engine can being opened wide to the top does not have the state of obstacle, move operation car bonnet and driver's seat and can suppressing becomes the car bonnet of open mode and the driver's seat combination machine to extra-organismal overhang like a cork simultaneously.

To achieve these goals, the invention provides a kind of combination machine, the driver's seat that in Drive Section, possesses car bonnet and supported by this car bonnet, it is characterized in that, above-mentioned car bonnet and driver's seat constitute, can around up and down towards the switching axle center and switch to the closed condition of above-mentioned car bonnet covering engine and the open mode that above-mentioned car bonnet opens wide above-mentioned driving engine; Above-mentioned switching axle center is configured on the body fore-and-aft direction than above-mentioned driving engine by the rear, and transversely is configured in than the external side end of above-mentioned driving engine in the inner part at body.

According to this structure, it is mobile and driving engine is unlimited that car bonnet and driver's seat are rotated with the configuration height identical or roughly the same with the configuration height under the closed condition.In addition, become the car bonnet of open mode and the rear side that the driver's seat can be positioned at driving engine as far as possible, car bonnet and driver's seat are opened wide driving engine under the as far as possible little state of body overhang laterally.

Thus, driving engine can be opened wide for the car bonnet that becomes open mode and driver's seat be positioned at ratio engine by the body rear side, above driving engine, do not have obstacle such as car bonnet to carry out the state of upkeep operation etc. easily, car bonnet and driver's seat are rotated with the configuration height identical or roughly the same with the configuration height under the closed condition move and carry out opening operation like a cork.And then, having suppressed to become the car bonnet of open mode and driver's seat to extra-organismal overhang, car bonnets etc. are difficult for becoming the obstacle of operation, carry out upkeep operation etc. easily.

Except said structure, if be provided with around the axis swing that is parallel to above-mentioned switching axle center and be attached at bearer frame on the body freely, supporting the free end side of above-mentioned car bonnet sliding freely in the free end side of this bearer frame, is more favourable aspect following then.

According to this structure, if car bonnet open and close to be rotated, then the free end side of car bonnet on one side with the bearer frame swinging operation bearer frame on one side that slides mutually, the bearer frame supporting opens and closes the load of the car bonnet that rotates.

Thus,, car bonnet is rotated smoothly and easily, can carry out the opening and closing operations of car bonnet more easily because the load of car bonnet is supported by bearer frame.

Except said structure, if in above-mentioned Drive Section, be provided with the Drive Section floor in the place ahead that is positioned at above-mentioned driver's seat and control tower, in the horizontal side on above-mentioned Drive Section floor with the horizontal sidewall of the inside and outside separation of above-mentioned Drive Section and the operation board that is positioned at a horizontal side of above-mentioned driver's seat, aspect following, be more favourable then.

According to this structure, if make car bonnet turn to open mode driving engine is opened wide, then also rotate simultaneously with car bonnet on control tower, horizontal sidewall, operation board, Drive Section floor, and the body of driving engine front side is also opened wide.

Thus, the body in driving engine and driving engine the place ahead promptly can be opened wide, except the operations such as maintenance of driving engine, also can carry out expeditiously to the operations such as maintenance of the driving system of mobile devices and harvesting pre-processing portion from driving engine.And, for being opened wide, the driving engine front side is the state of easy operation, car bonnet and Drive Section floor etc. are moved with the height identical or roughly the same with the configuration height under the closed condition like a cork, also can advantageously carry out upkeep operation from this respect.

Except said structure, if on above-mentioned body, be fixed with pillar, on this pillar, rotate the rotation connecting part that is supported with above-mentioned car bonnet freely around above-mentioned switching axle center, the level configurations that above-mentioned pillar links the position of above-mentioned rotation connecting part must be more favourable aspect following then than the top height of above-mentioned driving engine.

According to this structure, when carrying out the assembling operation of car bonnet, carry out easily from taking the aspect of the operation the inside to become from the outside of body car bonnet.

Promptly, if it is low topmost that the position of the rotation connecting part of the binding car bonnet of pillar is positioned at ratio engine, then by feeder with following support height supporting engine cover, described support height refer to mention the ratio engine cover when rotating the assembled state be attached at freely on the pillar car bonnet big with respect to the configuration height of organism frame, can car bonnet be maintained this support height on one side and take the inside from the outside of body on one side.That is, when car bonnet is mobile above driving engine, can when rotation connecting part of avoiding car bonnet etc. is run into driving engine etc., car bonnet be taken in the internal body.Then, if the rotation bond sites of car bonnet in the top of pillar, then needs to adopt with the car bonnet step-down operation, will rotate connecting part and be attached to assemble method on the pillar.With respect to this, structure according to the 4th technical scheme, even adopt by feeder with assembled state under the support height supporting engine cover different significantly with respect to the configuration height of organism frame, take mounting direction the inside from the outside of body with this support height, also can avoid colliding of car bonnet and driving engine, car bonnet be taken in the inside of body simultaneously.And, under the situation that adopts this mounting direction, if the rotation bond sites of car bonnet in the top of pillar, then only by with car bonnet step-down operation slightly, just can be attached to the rotation connecting part of car bonnet on the pillar.

Thus, can be rapidly and carry out the assembling operation of car bonnet expeditiously, can cost-cutting.

One preferred embodiment in, be provided with operating portion that makes the operand device that is located on the body and the mechanical type link gear that is located at the operating parts interlock on the above-mentioned Drive Section, this mechanical type link gear possesses the 1st linkage part that is bearing on the above-mentioned operator platform, with the 2nd linkage part that is bearing on the above-mentioned body, across above-mentioned the 1st linkage part and above-mentioned the 2nd linkage part and be provided with snap fastener, can switch to the fastening state that makes the interlock of two linkage parts by this snap fastener, with the disengaged position that two linkage parts are separated, above-mentioned snap fastener constitutes, switch at above-mentioned Drive Section that the relative separation by above-mentioned two linkage parts switches to disengaged position under the situation of above-mentioned open mode, switch at above-mentioned Drive Section under the situation of above-mentioned closed condition by above-mentioned two linkage parts relatively near switching to fastening state.This structure is more favourable aspect following.

The body part that above-mentioned combination machine can be covered by operator platform when common is opened wide when maintenance and repairing etc.

As this combination machine in the past, for example structure shown in the TOHKEMY 2000-4641 communique is arranged.Structure shown in the TOHKEMY 2000-4641 communique possess integrally formed to be equipped with the driver's seat cover, take the tectosome (being equivalent to operator platform) of step and control tower.This tectosome opens and closes around the vertical axis swing and is bearing in freely on the body that travels, and displacement is the job position of cover covering engine and the maintenance position that cover leaves from driving engine.

Under the situation of above-mentioned combination machine, be easy to constitute, if the operand devices such as transmission system that are located on the body are got in touch with the operating parts that is located on the operator platform by the electric link mechanism, then when opening and closing operator platform can make operand device and operating parts for the state of getting in touch with operator platform swing switching, thereby do not need getting in touch of operand device and operating parts open circuited time.But, in the case, need possess the actuator that drives the operand device, detecting operation spare operating position testing agency and based on the control mechanism of the testing result function driver of this testing agency.As a result, the tendency that has cost to uprise.

With respect to this, according to said structure of the present invention, when operator platform is opened and closed, leave with the relative of the 2nd linkage part by the 1st linkage part of opening swing that is accompanied by operator platform, snap fastener switches to disengaged position, and operating parts and operand device become released state.In addition, the 1st linkage part of closing swing by being accompanied by operator platform is relative approaching with the 2nd linkage part, and snap fastener switches to fastening state, and operating parts and operand device become linkage status.Thus, can make the interlock of operating parts and operand device, simultaneously, can not spend open circuited time of interlock of operating parts and operand device and operator platform is unlimited by the mechanical type link gear.

Thereby, allow to not spend with open circuited time of interlock of operating parts and operand device and open that thereby operator platform overhauls expeditiously and the combination machine of repair work, become the state that operating parts and operand device link by the mechanical type link gear, can realize that cost reduces.

One preferred embodiment in, be provided with reaping part, the change-speed box that travels, variable-speed dynamic passed to the harvesting transmission system of the power input part of above-mentioned reaping part, above-mentioned driving engine and above-mentionedly get in touch with travelling the transmission of change-speed box motility, and get in touch to above-mentioned driving engine and the transmission of above-mentioned harvesting transmission system motility, and above-mentioned harvesting transmission system be configured in above-mentioned reaping part the power input part near.This structure is more favourable aspect following.

In the past, the harvesting transmission system was arranged in the change speed gear box (for example with reference to TOHKEMY 2006-77811 communique).

Because the harvesting transmission system is arranged in the change speed gear box, so the choice of location that is provided with freely of harvesting transmission system is restricted.Therefore, become big from the harvesting transmission system to the drive structure of the power input part of reaping part, all is the starting point configuration from driving engine with the change speed gear box to the driving system and the driving system from the harvesting transmission system to the power input part of reaping part of change speed gear box, so dense (congestion) (being that the power of driving engine is delivered to change speed gear box (change-speed box travels), passes to the state of the power input part of reaping part from change speed gear box here) of driving system taken place sometimes.

With respect to this, according to said structure of the present invention, the harvesting transmission system is configured in the outer structure of change speed gear box by making, this harvesting transmission system can be configured in reaping part the power input part near.Thus, as long as transmission of power is given change speed gear box (change-speed box travels), is given the harvesting transmission system just passable transmission of power from driving engine from driving engine, so do not need from the driving system of power input part of change speed gear box, can avoid from driving engine to the driving system of change speed gear box with from change speed gear box dense to the transmission system of power input part to the harvesting transmission system.

Thus, be configured in the outer simple structure of change speed gear box by implementing to gather in transmission system, can with the harvesting transmission system be configured in the power input part near, and can make up from driving engine to the harvesting transmission system driving system, can avoid driving system dense.

Except said structure, if above-mentioned reaping part constitutes work posture that can switch to the place ahead that is positioned at above-mentioned body and the non-work posture of keeping out of the way from the place ahead of above-mentioned body, and on above-mentioned body, be provided with the output gear of the variable-speed dynamic of above-mentioned harvesting transmission system being exported to the power input part of above-mentioned reaping part, in above-mentioned harvesting transmission system, be provided with the input gear that above-mentioned variable-speed dynamic is imported to above-mentioned power input part, above-mentioned output gear and input gear constitute interlock mutually/disengaging, are more favourable aspect following then.

In harvesting transmission system in the past, for the variable-speed dynamic of above-mentioned harvesting transmission system being exported to above-mentioned power input part, on the body that travels, output pulley is set, the input belt wheel is set on above-mentioned reaping part, across above-mentioned output pulley and above-mentioned input belt wheel and the band of reeling, but transmission of power ground constitutes (for example with reference to TOHKEMY 2002-95335 communique).

In the described invention of TOHKEMY 2002-95335 communique, reaping part is being switched under the situation of non-work posture, need and to pull down across the band that the output pulley that is located on the body that travels sets up with being located at the input belt wheel on the reaping part, in that reaping part is got back under the situation of work posture, tape holder need be risen.Thereby, needing the dismounting operation of band, it is complicated that operation becomes.

With respect to this, according to said structure, reaping part is being switched under the situation of non-work posture, because the power input part of reaping part becomes the state that leaves from the harvesting transmission system, so can around the harvesting transmission system, guarantee that space, upkeep operation become easy.

And,, break away to constitute freely by output gear that will belong to the body that travels and the input gear interlock that belongs to reaping part and realize for the power input part of reaping part being carried out transmission of power from the harvesting transmission system.Thereby, reaping part is being switched under the situation of non-work posture, do not need the operation of as in the past band being pulled down, complexity that can cancel job.

Thus, the upkeep operation of harvesting transmission system is become easily, and reaping part is being switched under the situation of non-work posture, except switching required operation, do not need complementary operation that band is pulled down etc., complexity that can cancel job.

Reach the favourable effect of bringing into play by this feature structure about other feature structures, read the following description by the reference accompanying drawing and will become clear.

Description of drawings

Fig. 1 is the unitary side view of the combination machine of the 1st embodiment.

Fig. 2 is the whole birds-eye view of combination machine.

Fig. 3 is the birds-eye view under the car bonnet open mode of combination machine.

Fig. 4 is the lateral plan of Drive Section.

Fig. 5 is that the top board of car bonnet is pulled down the birds-eye view under the state.

Fig. 6 is the birds-eye view of the switching of expression car bonnet.

Fig. 7 is the back view of former moving portion.

Fig. 8 is the back view under the state pulled down of the heat shield panel of former moving portion.

Fig. 9 is the birds-eye view of car bonnet supporting construction.

Figure 10 is the front view of switching manipulation dish.

Figure 11 is the birds-eye view of the installation gist of expression car bonnet.

Figure 12 is the back view of the installation gist of expression car bonnet.

Figure 13 is the lateral plan of the mechanical type link gear used of speed change.

Figure 14 is the front view of the mechanical type link gear used of speed change.

Figure 15 is the lateral plan under the fastening state of bar side linkage part and transmission system side linkage part.

Figure 16 is the front view of snap fastener.

Figure 17 (a) is the cutaway view under the active state of detent mechanism, and Figure 17 (b) is the cutaway view under the disarm state of detent mechanism.

Figure 18 is the lateral plan of the configuration portion of retainer spring.

Figure 19 (a) is the cutaway view under the fastening state of the snap fastener used of speed change, and Figure 19 (b) is the cutaway view under the disengaged position of the snap fastener used of speed change, and Figure 19 (c) is the cutaway view under the application of force (the チ ヤ one ジ) state of the snap fastener used of speed change.

Figure 20 is the block diagram of the mechanical type link gear used of drg.

Figure 21 is the front view of snap fastener.

Figure 22 (a) is the cutaway view under the fastening state of the snap fastener used of drg, and Figure 22 (b) is the cutaway view under the disengaged position of the snap fastener used of drg, and Figure 22 (c) is the cutaway view under the application of force state of the snap fastener used of drg.

Figure 23 is the lateral plan of the combination machine of the 2nd embodiment.

Figure 24 is the birds-eye view of the combination machine of the reaping part state that is in work posture.

Figure 25 is the birds-eye view of the combination machine of the reaping part state that is in non-work posture.

Figure 26 is the front view that expression is located at the supporting construction of the reaping part on the front end of the body that travels.

Figure 27 is the lateral plan of the supporting box of the expression supporting left end that is located at the reaping part on the front end of the body that travels.

Figure 28 is the left side view of the framework of the expression supporting right-hand member that is located at the reaping part on the front end of the body that travels and harvesting HST case etc.

Figure 29 is the right side view of the framework of the expression supporting right-hand member that is located at the reaping part on the front end of the body that travels and harvesting HST case etc.

Figure 30 is the birds-eye view that expression is located at the supporting construction of the reaping part on the front end of the body that travels.

Figure 31 is the birds-eye view of expression from the state of the horizontal main frame of work posture to the way that non-work posture switches of the reaping part of Figure 30.

The right side view of Figure 32 state that to be expression leave from the work posture of reaping part harvesting input gear and harvesting output gear to the way that non-work posture switches.

Figure 33 represents from driving engine to the change-speed box that travels, from the power system figure of driving engine to the harvesting transmission system.

Figure 34 is the control structure figure to the harvesting transmission system and the change-speed box that travels.

Figure 35 is the lateral plan of the position relation of expression fuel tank and tubular main frame.

Figure 36 is the birds-eye view of the fuel tank that clipped by supporting box and framework of expression.

Figure 37 is the birds-eye view of expression cereal box supporting construction.

Figure 38 is the left side view of bending edge portion of the plate framework of expression cereal box.

Figure 39 is the left side view of the shape of expression Fuel Tank.

Figure 40 is the lateral plan of expression lifting with the binding structure of hydraulic actuating cylinder and tubular main frame.

Figure 41 is the right side view of expression left tray, rotating table, lock operation spare.

Figure 42 (a) is the birds-eye view that expression makes right carriage and the incorporate state of erecting bed, and Figure 42 (b) is the lateral plan of Figure 42 (a).

Figure 43 (a) is the birds-eye view of expression reducing gearbox portion, and Figure 43 (b) is the lateral plan of Figure 43 (a).

Figure 44 (a) is the birds-eye view that expression makes the state of right carriage, erecting bed and reducing gearbox integrally, Figure 44 (b) is the left side view that expression makes the state of right carriage, erecting bed and reducing gearbox integrally, and Figure 44 (c) is the right side view of the main body case portion among expression Figure 44 (b).

The specific embodiment

Below, based on the description of drawings embodiments of the invention.

[the 1st embodiment]

Fig. 1 is the unitary side view of the combination machine of relevant embodiments of the invention.Fig. 2 is the whole birds-eye view of the combination machine of relevant embodiments of the invention.As shown in these figures, about the combination machine of embodiments of the invention possesses body with crawler travel device 1, reaping part 10 on the front portion of the organism frame 2 that is attached at this body, transversely arranged and carry threshing apparatus 3 and grain case 4 at the rear portion of above-mentioned organism frame 2 along body.

This combination machine is the equipment of the grain of results paddy and wheat etc.Promptly, reaping part 10, by by hydraulic actuating cylinder (not shown) with respect to organism frame 2 main frame 11 of this reaping part 10 of swinging operation up and down, by descending operation for be positioned at the non-operating condition of rising that near the ground decline operating condition and above-mentioned nearside divider 12 rise from ground along the transversely arranged nearside divider 12 that is positioned at the leading section of reaping part 10 of reaping part higherly.If make reaping part 10 become the decline operating condition and body travelled, then reaping part 10 will import to the pull-up path 13 at the rear that is arranged in nearside divider 12 as the upright straw of planting of harvesting object by above-mentioned each nearside divider 12, carry out pull-up and handle importing to pull-up device 14 that planting the horizontal side of upright straw by being positioned at pull-up path 13 in each pull-up path 13, and the reaping apparatus 15 of the hairclipper type of the terminal part by being positioned at pull-up path 13 gathers in processing, to carry towards the body rear from the harvesting straw of reaping apparatus 15 by feedway 16, supply in the threshing apparatus 3.Threshing apparatus 3 is carried by the strain root side of shelling feeding chain (not shown) clamping harvesting straw and towards the body rear on one side, on one side will gather in straw fringe point side supply in the process chamber (not shown), with this fringe point side shelling processing.Grain case 4 reclaims the degrain of carrying from threshing apparatus 3 and stores.The discharge screw rod 5 of the bottom of this grain case 4 by being positioned at case, the vertical screw rod conveyor 6 at rear portion that is positioned at grain case 4 and the horizontal screw rod conveyor 7 that is attached on the upper end of this vertical screw rod conveyor 6 are discharged the degrain of case.Horizontal screw rod conveyor 7 can be with respect to vertical screw rod conveyor 6 rotations and the operation that rises and falls.

Body also possesses the former moving portion 20 with near the car bonnet 21 the place ahead that is positioned at above-mentioned grain case 4 and has the Drive Section 50 of the driver's seat 51 of the top that is positioned at above-mentioned car bonnet 21 except possessing above-mentioned crawler travel device 1 and above-mentioned organism frame 2.

Fig. 4 is the lateral plan of former moving portion 20.Fig. 5 is the birds-eye view under the state that the top board 22 of the car bonnet 21 of former moving portion 20 is pulled down.Fig. 7 is the back view of former moving portion 20.Fig. 8 is the back view under the state that the heat shield panel 25,26 of former moving portion 20 is pulled down.As shown in these figures, former moving portion 20 also possesses the engine cooling radiator 27 in the inside of the horizontal outboard end of body that is configured in this car bonnet 21 and is configured in than the driving engine 28 (for from the driving dynamics of driving engine 28 and the transmission system of harvesting operation power in 2nd embodiment describe) of the above-mentioned engine cooling radiator 27 of the in-to-in of above-mentioned car bonnet 21 by the horizontal inboard of body except possessing above-mentioned car bonnet 21.The inlet box 29 on the top that former moving portion 20 also possesses above-mentioned heat shield panel 25 that rear by covering engine 28 makes the heat extraction of former moving portion 20 be difficult for rearward shedding, connect the rear end side that is arranged on car bonnet 21 and be located at air cleaner 30 in the inside of this inlet box 29.

As Fig. 5, Fig. 7, shown in Figure 8, driving engine 28 possesses a distolateral cooling fan 31 that is attached at driving engine 28 and another the distolateral output pulley 32 that is attached at driving engine 28, with cooling fan 31 be positioned at the body lateral outer side, output pulley 32 is positioned at the laterally inboard lift-launch posture of body and is bearing on the organism frame 2 via bearing set 33.Cooling fan 31 is driven by driving engine 28 to rotate, and the admission port 23a from the cross wall body 23 of car bonnet 21 is attracted to the inside of car bonnet 21 with the air outside of car bonnet 21, produces cooling air and supplies with to engine cooling radiator 27.In addition, in-to-in air that cooling fan 31 makes inlet box 29 and cooling air interflow from the above-mentioned admission port 23a of car bonnet 21 are supplied with to engine cooling radiator 27.Output pulley 32 passes to mobile devices 1, reaping part 10, threshing apparatus 3 with the output of driving engine 28.Engine cooling radiator 27 is bearing on the radiator rim 34 that is fixed on the organism frame 2.As shown in Figure 8, radiator rim 34 is also supported by following pillar 35 via bearer frame 36, and described bearer frame 36 is across upper end that is attached at this radiator rim 34 and the upright upper end of being located at the pillar 35 on the organism frame 2.Above-mentioned heat shield panel 25 becomes the reinforcement feature of radiator rim 27 across being attached on above-mentioned pillar 35 and the above-mentioned radiator rim 27.As shown in Figure 7, heat shield panel 25 possesses the mouth of pipe 37a that opens and closes by the cover plate 37 of removing-installing type freely.This management mouthful 37a is to be used for overhauling or regulating the fan switching device 38 of operating equipment on driving engine 28 as shown in Figure 8.Fan switching device 38 possess via the quadrant gear 38b of the blocked operation portion (not shown) of operating line 38a and above-mentioned cooling fan 31 interlock, with the speed reduction gearing 38c of this quadrant gear 38b interlock and with the electro-motor 38d of this speed reduction gearing 38c interlock, be the state of cooling and dedusting state by the propulsive effort of this electro-motor 38d with cooling fan 31 blocked operations.Be switched to of above-mentioned admission port 23a and above-mentioned inlet box 29 air inlets of the cooling fan 31 of the state of cooling, cooling air is imported to engine cooling radiator 27 from car bonnet 21.Be switched to 31 pairs of admission port 23a air-supplies of cooling fan of dedusting state, fly blowing attached to the dust on the above-mentioned admission port 23a of car bonnet 21.Above-mentioned air cleaner 30 is connected on the inlet manifold 28a of driving engine 28 via the air induction hose 30a that is formed by corrugated flexible hose, air inlet effect by driving engine 28, be drawn into the in-to-in air and the dedusting of gas tank 29, the air after the dedusting is supplied in the driving engine 28 as combustion air.On the horizontal sidewall of the admission port 29a of the horizontal foreign side of body, a plurality of through holes being set and forming of inlet box 29 at inlet box 29.The admission port 29b towards the body rear of inlet box 29 possesses basket strainer.When the horizontal sidewall of inlet box 29 forms the cross wall body 23 of car bonnet 21 in the moulding by resin material, form with this cross wall body 23.

Structure when Fig. 4 represents the body side-looking of car bonnet 21.Structure when Fig. 5 represents the top board 22 of car bonnet 21 got body under the state after removing and overlook.Structure when Fig. 7 represents the body backsight of car bonnet 21.As shown in these figures, car bonnet 21 also possesses the above-mentioned sidewall paneling 24 in the place ahead of covering engine 28 except the above-mentioned cross wall body 23 of the body lateral outer side of the above-mentioned top board 22 of the top that possesses covering engine 28 and engine cooling radiator 27 and covering engine 28 and engine cooling radiator 27.

As Fig. 4, shown in Figure 5, car bonnet 21 possesses the chamfered section 21a of triangle, and described chamfered section 21a is located on the bight of the body lateral outer side that is positioned at the car bonnet front.This chamfered section 21a forms the outside in the face of the bight of upper and lower opening of car bonnet 21 the closer to upper end side offside in the dip plane of body inboard, makes car bonnet 21 be difficult to become the obstacle of Drive Section 40 up and down.As shown in Figure 7, the rear side at car bonnet 21 is provided with above-mentioned heat shield panel 26.This heat shield panel 26 covers between above-mentioned inlet box 29 and the above-mentioned heat shield panel 25, makes the heat extraction of former moving portion 20 be difficult for rearward shedding.The bottom 26a of heat shield panel 26 of this cover side overlaps with the upper end of the heat shield panel 25 of above-mentioned body side on the body fore-and-aft direction, has improved anti-thermal effect.The outside face side superimposed of the heat shield panel 25 of this bottom 26a and body side is not so that it can become the obstacle that opens wide of car bonnet 21.As shown in Figure 4, the above-mentioned admission port 23a of above-mentioned cross wall body 23 is provided with a plurality of through holes and forms on cross wall body 23.

As Fig. 5, shown in Figure 8, via linking the exterior rotation connecting part 39a that constitutes by cylindrical shell that parts 39 are installed in the rear side of car bonnet 21, rotation is attached on the supporting position 35a freely, and described supporting position 35a is positioned at the upright upper end of being located at the above-mentioned pillar 35 on the organism frame 2.Thus, the body that had around above-mentioned supporting position 35a of car bonnet 21 up and down towards Drive Section open and close axle center X (be designated hereinafter simply as and open and close axle center X) and rotate and be supported freely.Above-mentioned switching axle center X is configured in the horizontal external side end 28b (with reference to Fig. 8) of body that ratio engine 28 constitutes by the body rear side and than the crank axle head by driving engine 28 in the inner part.More particularly, this switching axle center X is configured in the horizontal wide scope interior (being the left back portion of car bonnet 21 in this embodiment) of car bonnet 21.In addition, above-mentioned supporting position 35a is positioned at the high configuration height of the top 28c that constitutes than the upper end by the inlet manifold 28a of driving engine 28.

That is, car bonnet 21 is as Fig. 2, Fig. 3, rotate to switch freely as shown in Figure 6.Fig. 2 represents the state of overlooking under the closed condition of car bonnet 21, and Fig. 3 represents the state of overlooking under the open mode of car bonnet 21.The car bonnet of representing with solid line among Fig. 6 21 is represented closed condition, represents open mode with the car bonnet 21 that long and two-short dash line is represented.Shown in these figure, by around above-mentioned switching axle center X rotating operation car bonnet 21, it is switched to be positioned at than opening and closing the closed condition that axle center X covers by the body front side and with driving engine 28 and being positioned at the open mode that ratio engine 28 opens wide by the body rear side and with driving engine 28.If car bonnet 21 becomes closed condition, the fastener 39b that then above-mentioned binding parts 39 are possessed is fastened on the support unit 40 on the body that is fixed in threshing apparatus 3, rotates connecting part 39a and is bearing on the threshing apparatus 3 via support unit 40.Fastener 39b passes through to break away from from support unit 40 naturally towards the rotating operation of the open mode of car bonnet 21.

Fig. 9 is the birds-eye view of car bonnet supporting construction.As shown in the drawing, the car bonnet supporting construction possesses: bearer frame 42, be bearing in freely on the carriage 41 around the axle center P swing that is parallel to above-mentioned switching axle center X, and this carriage 41 disposes on organism frame 2 and is arranged on than above-mentioned pillar 35 by the body horizontal stroke outside; Link parts 44, be provided with across the free end side of the 52a of crossing frame portion of Drive Section floor frame 52 and above-mentioned bearer frame 42, this Drive Section floor frame 52 is attached on the cover framework 43 of the bottom of the return panels 24 of car bonnet 21 and cross wall body 23.Bearer frame 42 possesses the guide channel 42a of the free end side that is located at bearer frame 42.Link parts 44 and be attached on the above-mentioned crossing frame 52a of portion, be fastened on sliding freely among the above-mentioned guide channel 42a via the roller that is equipped in the lower end side that links parts 44 in upper end side.

Promptly, if car bonnet 21 is rotated operation, then bearer frame 42 is followed car bonnet 21 swings by what car bonnet 21 caused via the operation of Drive Section floor frame 52 and binding parts 44 in order to carry out, via the load of Drive Section floor frame 52 with the free end side of the car bonnet 21 that links parts 44 supporting rotations.

Structure when Fig. 2 represents overlooking of Drive Section 50.Structure when Fig. 4 represents the side-looking of Drive Section 50.As shown in these figures, Drive Section 50 except possessing above-mentioned driver's seat 51, also possess the place ahead that is configured in driver's seat 51 Drive Section floor 53 and control tower 54, be positioned at the horizontal sidewall 55 on Drive Section floor 53 and end oral-lateral opposition side up and down and be configured in operation board 56 driver's seat 51 and the horizontal side upper and lower opening opposition side.Above-mentioned horizontal sidewall 55 separates the outside of the space between car bonnet in the Drive Section 21 and the above-mentioned control tower 54 with the reaping part side, prevents that dust from entering in the Drive Section from reaping part 10.Control tower 54 possesses the steering operation that carries out body and the gauge panel 61 of the control lever 60 of the descending operation of reaping part 10 and information of work-hours of representing relevant driving engine 28 etc. etc.Aforesaid operations dish 56 possesses the shifter bar that travels (example of operating parts) 62, shelling clutch lever 63, is configured in than shifter bar 62 and shelling clutch lever 63 switch-board 64 by the body front side that travels.Travel shifter bar 62 by by along body fore-and-aft direction swinging operation and variable speed operation static oil pressure endless gearing device (not shown), carry out mobile devices 1 driving, stop, variable speed operation.Shelling clutch lever 63 passes through quilt along body fore-and-aft direction swinging operation, blocked operation shelling power-transfer clutch (not shown), driving, shut-down operation threshing apparatus 3.Switch-board 64 possesses rotation, the switch (not shown) of the above-mentioned horizontal screw rod conveyor 7 of operation that rises and falls, with the automatic running blocked operation of horizontal screw rod conveyor 7 switch (not shown) that is on-state and dissengaged positions with select and set the operating mechanism (not shown) of the drain position that horizontal screw rod conveyor 7 stops by automatic running.As shown in figure 10, above-mentioned switch-board 64 is the closer to the low more heeling condition of driver's seat side, so that the operator who is seated in the driver's seat 51 observes easily when the body fore-and-aft direction is observed.

As shown in Figure 9, except above-mentioned Drive Section floor frame 52 and above-mentioned cover framework 43 are linked, to link with above-mentioned binding parts 39 along the horizontal side frame 57 of aforesaid operations dish 56 and horizontal sidewall 55, above-mentioned horizontal side frame 57 and above-mentioned Drive Section floor frame 52 are linked.The control tower 54 upright leading sections that are located at Drive Section floor 53.Thus, Drive Section floor 53, control tower 54, horizontal sidewall 55, operation board 56 become a superstructure body, get around close axle center X with car bonnet 21 with respect to organism frame 2 rotary opening closings.

Driver's seat 51 is bearing in via seat bearing set 51a on the top board 22 of above-mentioned car bonnet 21 as shown in Figure 4.Thus, as Fig. 2, shown in Figure 3, if driver's seat 51 rotates with car bonnet 21, car bonnet 21 is switched to open mode, and then car bonnet 21 is positioned at ratio engine 28 by the body rear side, and driving engine 28 is opened wide.

That is, carrying out former moving portion 20 or during to the maintenance of the drive structure of mobile devices 1 and reaping part 10 and repair work, with car bonnet 21 get around close axle center X from closed condition to body horizontal stroke outside rotating operation.At this moment, air cleaner 30 is connected air induction hose 30a on the driving engine 28 owing to be corrugated flexible hose,, does not need separating of air cleaner 30 and driving engine 28 so stretch Qu Ziru.In addition, at this moment, in the car bonnet 21, supported framework 42 supportings on one side of the free end side of car bonnet 21 are rotated on one side, and the rotating operation of car bonnet 21 lightens.If car bonnet 21 becomes open mode, then car bonnet 21 is positioned at ratio engine 28 by the body rear side with driver's seat 51, and driving engine 28 is opened wide.At this moment, Drive Section floor 53, control tower 54, horizontal sidewall 55 and operation board 56 rotate with car bonnet 21 and move, usually the time, be positioned at Drive Section floor 53 below body part, the reaping part part that usually the time, covers by horizontal sidewall 55 all opened wide.In addition, open wide grain case 4 this moment as shown in Figure 3 around the axle center 6a of vertical screw rod conveyor 6 side oscillation outside the body horizontal stroke, guarantee that car bonnet 21 is positioned at the space at the rear of driving engine 28.

Figure 11 is the birds-eye view of the installation gist of expression car bonnet 21.Figure 12 is the back view of the installation gist of expression car bonnet 21.As shown in these figures, with car bonnet 21 and Drive Section floor 53 grades is that the tectosome of one and a pair of supporting arm 70 of feeder link via linking parts 71, the rotation connecting part 39a that car bonnet 21 is made as car bonnet 21 is positioned at the support height of the position higher slightly than the supporting position 35a of pillar 35, supports by a pair of supporting arm 70,70.Car bonnet 21 is maintained this support height on one side, from the horizontal outside of body by the top of driving engine 28 put into inside on one side.If rotate the top that connecting part 39a is positioned at pillar 35, then the step-down operation car bonnet 21, are attached on the supporting position 35a of pillar 35 rotating connecting part 39a.

Fig. 2 represents the closed condition of operator platform 50A, and Fig. 3 represents the open mode of operator platform 50A.As shown in these figures, operator platform 50A rotates and is bearing in freely on the pillar of being located on the organism frame 2 35, can around body up and down towards switching axle center X swing open and close be open mode and closed condition, described switching axle center X be positioned at ratio engine 28 by the horizontal body external side end of the body of body rear side and ratio engine 28 by the body inboard.The operator platform 50A that becomes closed condition is configured in Drive Section floor 53, control tower 54, horizontal sidewall 55 and operation board 56 both allocations of body by car bonnet 21 covering engines 28 and engine cooling radiator 27.The operator platform 50A that becomes open mode is positioned at the body rear side of driving engine 28, driving engine 28 and engine cooling are opened wide so that overhaul easily and repair with radiator 27, and the body that will be covered by Drive Section floor 53 and horizontal sidewall 55 usually the time partly opens wide so that overhaul easily and repair.

As shown in Figure 1 and Figure 2, operator platform 50A possesses travel bar or the shifter bar that travels (example of operating parts) 62 and be located at the brake pedal (another example of operating parts) 141 of the front on above-mentioned Drive Section floor 53 that is located on the aforesaid operations dish 56.The shifter bar 62 that travels, variable speed operation are equipped on the static oil pressure endless gearing device 143 (example of operand device in the change speed gear box 142 on the leading section that is bearing in above-mentioned organism frame 2.With reference to Figure 13, be designated hereinafter simply as continuously variable unit 143.), drive thus, stop, variable speed operation mobile devices 1.Brake pedal 141 operations are as friction brake 144 (another example of operand device that is equipped in the operand device in the above-mentioned change speed gear box 142.With reference to Figure 20.Be designated hereinafter simply as drg 144.), come control operation mobile devices 1 thus.

Figure 13 represents to make the structure when travelling the body side-looking of shifter bar 62 and the mechanical type link gear 150 of the operating portion 143a interlock of continuously variable unit 143.Structure when Figure 14 represents that the body fore-and-aft direction of the mechanical type link gear 150 that above-mentioned speed change is used is observed.As shown in these figures, the above-mentioned speed change connection shaft 151a that possesses lower end side with mechanical type link gear 150 is attached at the gangbar 151 on the operating portion 143a of continuously variable unit 143, free end is attached at the transmission system side linkage part (example of the 2nd linkage part) 152 on the connection shaft 151b of upper end side of this gangbar 151, one is rotated the swing arm 153 on the rotation fulcrum 62a that is attached at the shifter bar 62 that travels freely, the connection shaft 154a of upper end side is attached at the gangbar 154 on this swing arm 153, free end is attached at the bar side linkage part (example of the 1st linkage part) 155 on the folded end 154b of lower end side of this gangbar 154, with across this bar side linkage part 155 and above-mentioned transmission system side linkage part 152 and the snap fastener 156 that is provided with.

Above-mentioned bar side linkage part 155 is bearing on the horizontal sidewall 55 of operator platform 50A with the connection shaft 158 of the cardinal extremity of bar side linkage part 155 via being fixed on the support unit 157 on the above-mentioned horizontal sidewall 55 and linking this support unit 157.Thus, bar side linkage part 155 is swung along the body above-below direction around the horizontal axle center 158a of the body of above-mentioned connection shaft 158.Above-mentioned transmission system side linkage part 152 is fixed on the support unit 159 on this change speed gear box 142 via above-mentioned change speed gear box 142, lower end side and links the upper end of this support unit 159 and the connection shaft 160 of the base portion of transmission system side linkage part 152 and being bearing on the organism frame 2 of body.Thus, transmission system side linkage part 152 is swung along the body above-below direction around the axle core 160a of above-mentioned connection shaft 160.

As Figure 15, Figure 16, shown in Figure 19, above-mentioned snap fastener 156 possesses and is located at the connecting pin 156a on the above-mentioned bar side linkage part 155 and can carries out card with above-mentioned connecting pin 156a and take off and be arranged on pin-and-hole 156b on the above-mentioned transmission system side linkage part 152.Connecting pin 156a is made of the above-mentioned folded end 154b of gangbar 154.Snap fastener 156 possesses the 156c of force application spring mechanism that is made of above-mentioned transmission system side linkage part 152.

The fastening state of the above-mentioned snap fastener 156 of Figure 19 (a) expression, the disengaged position of the above-mentioned snap fastener 156 of Figure 19 (b) expression, the application of force state of the above-mentioned snap fastener 156 of Figure 19 (c) expression.As shown in these figures, snap fastener 156 switches to fastening state and disengaged position by operator platform 50A is opened and closed, and perhaps becomes application of force state.

That is, if operator platform 50A is operating as open mode, then bar side linkage part 155 moves with the operator platform 50A of swing, and connecting pin 156a extracts from pin-and-hole 156b bar side linkage part 155 with transmission system side linkage part 152 relative leaving.Thus, snap fastener 156 becomes the disengaged position that bar side linkage part 155 is separated with transmission system side linkage part 152, and the interlock of shifter bar 62 with the operating portion 143a of continuously variable unit 143 disconnects with travelling.

If 50A is operating as closed condition with operator platform, then bar side linkage part 155 moves with the operator platform 50A of swing, and bar side linkage part 155 is relative approaching with transmission system side linkage part 152, and connecting pin 156a snaps onto among the pin-and-hole 156b.Thus, snap fastener 156 becomes makes bar side linkage part 155 and the fastening state that transmission system side linkage part 152 links, and makes the operating portion 143a interlock of travel shifter bar 62 and continuously variable unit 143.In addition, snap fastener 156 makes bar side linkage part 155 and 152 interlocks of transmission system side linkage part, the one swing so that its axle center 158a, 160a that is used for swinging separately becomes same axle center Y.At this moment, as shown in figure 17, the detent mechanism 161 that is made of spill guiding part 161a and male guide 161b is from switching to the active state that the spill guiding part 161a as Figure 17 (a) engages with male guide 161b as the spill guiding part 161a Figure 17 (b) with the disarm state that male guide 161b breaks away from, described spill guiding part 161a is located on the end that is linked to the above-mentioned connection shaft 158 on the bar side linkage part 155, described male guide 161b is located on the end that is linked to the above-mentioned connection shaft 160 on the transmission system side linkage part 152, with two connection shafts 158,160 location are so that it is arranged as a linearity, and connecting pin 156a becomes with pin-and-hole 156b and engages easily.

The transmission system side linkage part of representing with long and two-short dash line in Figure 19 (c) 152 is the state that is attached on the connecting pin 156a.The transmission system side linkage part of representing with solid line among Figure 19 (c) 152 is the state of elastic deformation.As shown in the drawing, when operator platform 50A is operating as closed condition, under the situation about staggering in connecting pin 156a and pin-and-hole 156b position, connecting pin 156a is connected to from the position that the pin-and-hole 156b of transmission system side linkage part 152 staggers, transmission system side linkage part 152 is by the pushing effect of connecting pin 156a, to be attached at position on the connection shaft 160 is the swing fulcrum, and elastic deformation is the swing state that free end side that pin-and-hole 156b is positioned at is left from bar side linkage part 155.Thus, it is the 156c of force application spring mechanism and connecting pin 156a is engaged the application of force state of the application of force with pin-and-hole 156b that snap fastener 156 becomes with transmission system side linkage part 152, the move operation shifter bar 62 that travels, along with connecting pin 156a aligns with pin-and-hole 156b, connecting pin 156a is snapped onto among the pin-and-hole 156b, make bar side linkage part 155 and 152 interlocks of transmission system side linkage part.

Figure 20 is the block diagram that makes brake pedal 141 and the mechanical type link gear 170 of the operating portion 144a interlock of drg 144.As shown in the drawing, the mechanical type link gear 170 that above-mentioned drg is used possesses the operation cable 171 on the distolateral operating portion 144a who is attached at drg 144, double-fork part (two portion) again 172a is attached at another distolateral drg side linkage part (example of the 2nd linkage part) 172 of this operation cable 171, one rotation is attached at the pedal side linkage part (example of the 1st linkage part) 173 on the installation tube 141b that the pedal arm 141a of brake pedal 141 possessed freely, with across this pedal side linkage part 173 with above-mentioned drg side linkage part 172 and the snap fastener 174 that is provided with.

In addition, hook 198 shown in Figure 20 is that the pin 141c that is fastened on pedal arm 141a goes up, brake pedal 141 is remained the parts of entering into the position and drg 144 being remained on-state.

Brake pedal 141 is subjected to swinging the application of force by the retracing spring 176 that is attached on the arm 175 that above-mentioned installation tube 141b possesses to the rising open position.Above-mentioned pedal side linkage part 173 is bearing on the frame part of operator platform 50A via pedal fulcrum 177.Thus, pedal side linkage part 173 is swung along the body above-below direction with brake pedal 141 around the horizontal axle center 177a of the body of above-mentioned pedal fulcrum 177.Above-mentioned drg side linkage part 172 is via being attached at connection shaft 179 on the carriage 178 and above-mentioned carriage 178 and be bearing on the organism frame 2 of body, and described carriage 178 is fixed in the base portion of drg side linkage part 172 on the above-mentioned organism frame 2.Thus, drg side linkage part 172 is swung along the body above-below direction around the axle center of above-mentioned connection shaft 179 179a.The base portion of drg side linkage part 172 is reset spring 181 to the swing boundary swing application of force that is connected on the block 180, and described block 180 is connected on the above-mentioned carriage 178.Operation cable 171 possesses outer cable 171a and inner cable 171b.On the cable support of the distolateral binding drg side linkage part 172 of outer cable 171a, one of inner cable 171b distolaterally is attached on the cable retainer 83 via spring 182.Cable retainer 83 is bearing on the above-mentioned support unit 157 that is fixed on the organism frame 2.Pedal side linkage part 173 possesses a pair of gangbar 185,185 that is attached to respectively among a pair of slotted hole 173a, the 173a.Travel shifter bar 62 from advance side or retreat side and be operated into center position continuously variable unit 143 and become neutral condition, then the pedal side linkage part 173 and the shifter bar 62 that travels are got in touch if a pair of gangbar 185,185 is above-mentioned, brake pedal 141 is operating as the drg on-state with operating effort by the shifter bar 62 that travels.

As Figure 21, shown in Figure 22, the card that above-mentioned snap fastener 174 possesses connecting pin 174a on the above-mentioned double-fork part 172a that is located at above-mentioned drg side linkage part 172, can carry out above-mentioned connecting pin 174a takes off and is arranged on the pin-and-hole 174b on the above-mentioned pedal side linkage part 173 and is installed in the force application spring 174c that is made of coil spring on the connecting pin 174a between a pair of supporting slice of above-mentioned double-fork part 172a.

The fastening state of Figure 22 (a) expression snap fastener 174, the disengaged position of Figure 22 (b) expression snap fastener 174, the application of force state of Figure 22 (c) expression snap fastener 174.As shown in these figures, snap fastener 174 switches to fastening state and disengaged position or becomes application of force state by opening and closing operator platform 50A.

That is, if operator platform 50A is operating as open mode, then pedal side linkage part 173 moves with the operator platform 50A of swing, pedal side linkage part 173 and drg side linkage part 172 relative separation, and connecting pin 174a extracts from pin-and-hole 174b.Thus, snap fastener 174 becomes the disengaged position that pedal side linkage part 173 is separated with drg side linkage part 172, and the interlock of brake pedal 141 with the operating portion 144a of drg 144 disconnected.

If operator platform 50A is operating as closed condition, then pedal side linkage part 173 moves with the operator platform 50A of swing, and pedal side linkage part 173 is relative approaching with drg side linkage part 172, and connecting pin 174a snaps onto among the pin-and-hole 174b.Thus, snap fastener 174 becomes makes pedal side linkage part 173 and the fastening state that drg side linkage part 172 links, and the brake pedal 141 and the operating portion 144a of drg 144 are linked.At this moment, pedal fulcrum 177 is arranged as a linearity with connection shaft 179.Thus, it is same axle center Z that snap fastener 174 makes the axle center 177a that is used for swinging of pedal side linkage part 173 and the axle center 179a that is used for swinging of drg side linkage part 172, and pedal side linkage part 173 and drg side linkage part 172 are swung around axle center Z one.

When operator platform 50A is operating as closed condition, if stagger in connecting pin 174a and pin-and-hole 174b position, then the position from pin-and-hole 174b staggers of pedal side linkage part 173 is connected on the connecting pin 174a, connecting pin 174a under the pushing effect of pedal side linkage part 173 by slide to making a concession side, be fixed in spring on the connecting pin 174a and accept pin 86 and make force application spring 174c to the compressed side elastic deformation.Thus, snap fastener 174 becomes the application of force state that connecting pin 174a is engaged the application of force with pin-and-hole 174b by force application spring 174c, move operation brake pedal 141, along with connecting pin 174a aligns with pin-and-hole 174b, connecting pin 174a is snapped onto among the pin-and-hole 174b, make pedal side linkage part 173 and 172 interlocks of drg side linkage part.

According to more than, when operator platform 50A is switched to open mode, in order to carry out the swing of operator platform 50A towards open mode, bar side linkage part 155 leaves with respect to transmission system side linkage part 152 around axle center Y, connecting pin 156a extracts from transmission system side linkage part 152, and snap fastener 156 switches to disengaged position.Thus, the travel operating portion 143a of shifter bar 62 and continuously variable unit 143 switches to released state naturally.In addition, in order to carry out the swing towards open mode of operator platform 50A, pedal side linkage part 173 leaves with respect to drg side linkage part 172 around axle center Z, and connecting pin 174a extracts from pedal side linkage part 173, and snap fastener 174 switches to disengaged position.Thus, brake pedal 141 switches to released state naturally with the operating portion 144a of drg 144.As a result, can spend the special time that be used for will travelling respectively shifter bar 62 and continuously variable unit 143 switch to released state and brake pedal 141 and drg 144 switched to released state.

On the other hand, when making operator platform 50A get back to closed condition, in order to carry out the swing of operator platform 50A towards closed condition, bar side linkage part 155 is approaching with respect to transmission system side linkage part 152 around axle center Y, connecting pin 156a snaps onto in the transmission system side linkage part 152, snap fastener 156 switches to fastening state, and when operator platform 3A switched to closed condition, the shifter bar 62 that travels was got back to the state with the operating portion 143a of continuously variable unit 143 interlock.Though switch to closed condition and the shifter bar 62 of travelling does not become under the situation of linkage status with continuously variable unit 143 at operator platform 50A, be in the axle center move operation of shifter bar 62 that to travel under the state of closed condition at operator platform 50A around rotation fulcrum 62a.So, snap fastener 156 becomes application of force state, so along with connecting pin 156a aligns with pin-and-hole 156b, the application force that is possessed by transmission system side linkage part 152 snaps onto in the transmission system side linkage part 152 connecting pin 156a, snap fastener 156 switches to fastening state.Thus, the shifter bar 62 that travels becomes linkage status with continuously variable unit 143, can carry out the operation by the continuously variable unit 40 of the shifter bar 62 that travels.Promptly, if will travel shifter bar 62 around the axle center of rotation fulcrum 62a along body fore-and-aft direction swinging operation, then swing arm 153 around the axle center of rotation fulcrum 62a with shifter bar 62 swings of travelling, with gangbar 154 push-and-pulls operation, with bar side linkage part 155 around axle center 158a swinging operation.So transmission system side linkage part 152 makes to swinging integratedly with axle center 160a and the bar side linkage part 155 of the same axle center Y of axle center 158a, gangbar 151 is pushed pulling process, swinging operation operating portion 143a.Thus, continuously variable unit 143 moves advance side and retreat the drive state or the neutral condition of side.

In addition, when making operator platform 50A get back to closed condition, in order to carry out the swing of operator platform 50A towards closed condition, pedal side linkage part 173 is approaching with respect to drg side linkage part 172 around axle center Z, connecting pin 174a snaps onto in the pedal side linkage part 173, and snap fastener 174 switches to fastening state.Thus, when operator platform 50A switched to closed condition, brake pedal 141 was got back to the state with drg 144 interlocks.In addition, do not become under the situation of linkage status with drg 144 though switch to closed condition brake pedal 141, at the closed condition lower swing operational brake pedal 141 of operator platform 50A at operator platform 50A.So snap fastener 174 becomes application of force state, so along with connecting pin 174a aligns with pin-and-hole 174b, by the application force that force application spring 174c is possessed, connecting pin 174a snaps onto in the pedal side linkage part 173, snap fastener 174 switches to fastening state.Thus, brake pedal 141 becomes linkage status with drg 144, can carry out the operation by the drg 144 of brake pedal 141.That is, if enter into operational brake pedal 141, then pedal side linkage part 173 is swung with brake pedal 141 around the axle center of pedal fulcrum 177 177a.So drg side linkage part 172 makes to swinging integratedly with axle center 179a and the pedal side linkage part 173 of the same axle center Z of axle center 177a, operation cable 171 is operated swinging operation operating portion 144a.Thus, drg 144 becomes on-state.

As Figure 14, shown in Figure 15, across above-mentioned transmission system side linkage part 152 coil portion is installed with above-mentioned support unit 159 and is embedded in retainer spring 190 on the above-mentioned connection shaft 160 outward.As Figure 17, shown in Figure 180, accept sheet 191 at the spring that is provided with on the above-mentioned support unit 159 between a pair of spring end 190a, the 190b that enters into this retainer spring 190, be provided with the spring-operated sheet 192 that enters between above-mentioned a pair of spring end 190a, the 190b on the above-mentioned transmission system side linkage part 152.Thus, the retainer spring 190 transmission system side linkage part 152 that will become with the open circuited state of interlock of bar side linkage part 155 navigates to the center position that continuously variable unit 143 becomes neutral condition.

Promptly, if transmission system side linkage part 152 is from march forward side F swing of center position N, then retainer spring 190 spring end 190b is subjected to spring to accept sheet 191 supportings, and another spring end 190a is subjected to spring-operated sheet 192 bulldozing operations that move with transmission system side linkage part 152.If with transmission system side linkage part 152 from the center position N side R swinging operation of drawing back, then another spring end 190a of retainer spring 190 is subjected to spring to accept sheet 191 supportings, spring-operated sheet 192 bulldozing operations that spring end 190b is subjected to move with transmission system side linkage part 152.Thus, side and which side oscillation that retreats side no matter transmission system side linkage part 152 is marched forward, retainer spring 190 is all operated by elastic deformation, and the elastic recovering force that possesses is acted on the spring-operated sheet 192, and transmission system side linkage part 152 is positioned at center position N.

As shown in figure 15, above-mentioned support unit 159 possesses as being installed in the potentiometer 193 that engine starting on the support 59a pins down mechanism.This potentiometer 193 be attached at the set bar 195 that is located under swing arm 194 on the rotary manipulation axle 193a and the state in snapping into the slotted hole 194a of this swing arm 194 on the above-mentioned transmission system side linkage part 152 freely via one rotation and with 152 interlocks of transmission system side linkage part.Potentiometer 193 with the center position N of transmission system side linkage part 152 as the neutral condition of continuously variable unit 143 and detect, based on this testing result, engine starting gear (not shown) is exported in the instruction of engine starting permission, and being at continuously variable unit 143 can start the engine 28 under the situation of neutral condition.

That is, make operator platform 50A become open mode, under the open circuited situation of interlock of travel shifter bar 62 and continuously variable unit 143, even the shifter bar 62 that will travel is operated center position operating position in addition, also can start the engine 28.

That is,, then remain on this operating position by friction mechanism 196 (with reference to Figure 13) if disconnected the operating position that the shifter bar 62 that travels with the interlock of continuously variable unit 143 is operated into advance side or retreats side.In the case, transmission system side linkage part 152 also is positioned on the center position N by retainer spring 190.So potentiometer 193 detects continuously variable unit 143 and is in neutral condition, the instruction of output engine starting permission.

[the 2nd embodiment]

Then, with reference to the accompanying drawing below Figure 23, the combination machine of the 2nd embodiment is described.In the following description, for giving identical Reference numeral and omit explanation with the same parts of the 1st embodiment.

As Figure 23 and shown in Figure 24, this combination machine will possess lift-launchs such as the threshing apparatus 3, Drive Section 50 of shelling feeding chain 3a on the body that travels that travels by crawler travel device 1, and will possess pull-up device 14, reaping apparatus 15, be used for carrying the reaping part 10 of the feedway 16 etc. of harvesting straw to be configured in the place ahead of the body that travels, possess row's stalk processing equipment 210 at the rear of threshing apparatus 1.

As Figure 23 and shown in Figure 24, the tubular main frame 209B that is also used as transmission gearbox is extended towards the place ahead from the front end of the body that travels, and on tubular main frame 209B, reaping part 5 is installed.Between the front end of the tubular main frame 209B and the body that travels, set up hydraulic actuating cylinder 211, tubular main frame 209B has been installed around transverse axis heart x lifting freely with respect to the body that travels.

Supporting construction to tubular main frame 209B describes.As Figure 23 and shown in Figure 24, tubular main frame 209B one is fixed on the horizontal main frame 209A, extends towards the place ahead from horizontal main frame 209A.

Laterally main frame 209A is mounted, supports across carriage 212A, the 212B of the pair of right and left on the front end that is located at the body that travels.

Supporting construction to left frame 212A describes.As Figure 23～shown in Figure 27, the upright supporting box 213 that is provided with, and the leading section at supporting box 213 is formed with the only open spaces a of horizontal side opening towards a left side, in open spaces a upright be provided with from below top board 213A and with described later rotating table 212C integrated and barrel-contoured bolster 212D supporting left tray 212A of organism frame 2 above connecting.

As Figure 26 and Figure 27, shown in Figure 41, at top board 213A upper support the rotating table 212C that can swing around vertical axle center y is arranged, on the upper surface of rotating table 212C, be mounted with left tray 212A.

Left frame 212A constitutes by being integrally formed in accepting bracket part 212a and being bolted to this 212b of cover bracket portion that accepts on the bracket part 212a on the rotating table 212C, constitutes and will grip horizontal main frame 209A by two bracket part 212a, 212b.

As Figure 26 and shown in Figure 28, be opposite to the supporting box 213 on the upright left front end that is located at the body that travels, the front position of the body that travels and about midway location on the upright framework 214 that is provided with support right carriage 212B.Framework 214 is bent to form the square tube material, establish so that certain altitude is upright from the front end of the body that travels, and extend the 214A of tilt frame portion from its upper end towards the back upper place, extend the 214B of horizontal frame portion backwards from elongated end, from the elongated end frame section that hung down down, be fixed on the body that travels.

Across the supporting box 213 that is positioned at left end with the framework 214 in the middle of about being positioned at and two places have set up plate member 240,240 in front and back, realized the reinforcement of mechanical strength.

As Figure 26～shown in Figure 30, right carriage 212B is bearing on such framework 214.But right carriage 212B forms with the casing of taking in harvesting transmission system 215 described later, describes for this point.

Form the harvesting HST case 215A of portion that takes in as the static oil pressure endless gearing device (harvesting HST) 215 of harvesting transmission system, take in from harvesting HST215 and bear power and the output shaft of the 216A of reducing gearbox portion of the reduction gear 216 that slows down and the axle supporting reducing gearbox 216A of portion and install them into erecting bed 217 on the framework 214.

On this integrally formed structure, be formed with above-mentioned right carriage 212B.That is,, the bracket part 212c that accepts of right carriage 212B is integrally formed on the erecting bed 217, and the 212d of cover bracket portion swung up and down to be installed in freely accepts on the bracket part 212c, can install and keep ground to constitute horizontal main frame 209A as Figure 26～shown in Figure 30.

On the other hand, the hydraulic actuating cylinder 211 used of lifting constitutes with respect to the tubular main frame 209B dismounting of extending towards the place ahead from horizontal main frame 209A freely.That is, as shown in figure 36, carriage 209b is arranged on the lower surface of tubular main frame 209B, and the bolt 250 by the band knob links the piston 211A of hydraulic actuating cylinder 211 and is fixed on this carriage 209b.

In addition, make reaping part 10 reaping part 10 is maintained when work posture switches to non-work posture the lock operation spare 218 of certain altitude being provided with on the rotating table 212C.Promptly, as Figure 26 and shown in Figure 41, with about rotate freely pivot suspension around the axle center of this operating axis 218A on the horizontal sidepiece of the rotating table 212C of supporting left tray 212A towards the operating axis 218A of posture, and operating axis 218A from the outstanding left end of rotating table 212C operating handle 218B is installed, from the outstanding right-hand member of rotating table 212C locking plate 218C is installed at operating axis 218A.

As Figure 30 and shown in Figure 41, on the right horizontal side of rotating table 212C, be formed with the state that approaches locking plate 218C and accept piece 212E.By making operating axis 218A rotation on the upper surface of accepting piece 212E at this mounting locking plate 218C, with the 209c of the protrusion down mounting of horizontal main frame 209A on this locking plate 218C, horizontal main frame 209A float state over the ground can be maintained, and then reaping part 10 float state over the ground can be maintained.

As shown in figure 27,, on the rear surface of rotating table 212C, be provided with the locking piece support 212F of コ ノ word shape, the hole is formed towards ground about in the of 1, insert supporting locking piece 251 for reaping part 10 is maintained non-work posture.On the other hand, on the top board 213A of supporting box 213, be formed with lock hole 213a, adopt locking piece 251 insertions are fixed to the structure that is maintained non-work posture among this lock hole 213a, with reaping part 10 corresponding to the non-work posture of reaping part 10.

In addition, if spring (not shown) with the direction application of force of locking piece 251 in being engaged to lock hole 213a is set, if then reaping part 10 is switched to non-work posture, then locking piece 251 automatically is engaged among the lock hole 213a.

By above structure, work posture in the place ahead that is arranged in the body that travels, the hydraulic actuating cylinder of using by lifting 211 makes reaping part 10 vertical motions, by lock operation spare 218 with locking plate 218C mounting to accepting on the piece 212E, reaping part 10 is descended slightly, accept horizontal main frame 209A by locking plate 218C, reaping part 10 is maintained certain altitude.Under this state, with the get in touch releasing of hydraulic actuating cylinder 211 with tubular main frame 209B.

After having carried out such preparation, shown in figure 32, the 212d of cover bracket portion of right carriage 212B is pulled down, rotate around vertical axle center y by making rotating table 212C, can make reaping part 10 side rotation outside the body horizontal stroke, switch to non-work posture.Switching under the state of non-work posture, be engaged among the lock hole 213a, can keep non-work posture by making locking piece 251.

Power-transmission system from driving engine 28 is described.As Figure 26 and Figure 28～shown in Figure 30, the driving engine 28 of the former moving portion 20 of configuration under the state of the right horizontal side that approaches framework 214, and will be installed in output pulley 219 on the output shaft with the flywheel 252 of driving engine 28 to be opposite to the state configuration of framework 214.On the other hand, be provided with input shaft, input belt wheel 220 is installed on this input shaft from the face towards driving engine 28 of the harvesting HST case 215A of portion is outstanding.Set up the 1st driving band (example of the 1st ring-type rotor) 221 across output pulley 219 and input belt wheel 220, from driving engine 28 directly to harvesting HST215 transferring power.

As shown in figure 28, below harvesting HST215, be supported with tensioner arm 222, tension wheel 222A is installed on tensioner arm 222, the 1st driving band 221 is applied tensile force at erecting bed 217 head lamp brush guard pivots.

As Figure 26 and Figure 28～shown in Figure 30, the power that imports to harvesting HST215 by input belt wheel 220 passes to reduction gear 216 by the HM Hydraulic Motor of harvesting HST215.Reduction gear 216 is arranged in the 216A of reducing gearbox portion that is integrally formed on the harvesting HST case 215A as mentioned above.

Towards the output shaft of the side-prominent setting of driving engine harvesting output gear (example of output gear) 223 being installed, pass to the power input part 10A of reaping part 10 by this harvesting output gear 223 from the output of reduction gear 216 from erecting bed 217.From the erecting bed 217 outstanding output shafts that are provided with, between harvesting output gear 223 and erecting bed 217, be supported with tensioning pulley 224, from the 1st driving band 221 being applied tensile force with above-mentioned tension wheel 222A opposition side.

Here, make the structure that input shaft is configured in the top and output shaft is configured in the below by accepting harvesting HST215 from the transmission of power of driving engine 28, the interval of the input belt wheel 220 from the output pulley 219 of driving engine 28 to harvesting HST19 can be taken as greatlyyer, can obtain the amount of tension (Zhang り generation) of tension wheel 222A and tensioning pulley 224 bigger.

As Figure 30 and shown in Figure 33, reaping part 10 is provided with cross-drive axle 225 in the inside of horizontal main frame 209A, and, form the power input part 10A of reaping part 10 making this cross-drive axle 225 harvesting input gear (example of input gear) 226 is installed from the outstanding shaft end that is provided with of the right-hand member of horizontal main frame 209A.

The power that is taken into via harvesting input gear 226 is passed to pull-up device 14, harvesting HST215 etc. via the longitudinal drive shaft 227 that is arranged in the tubular main frame 209B by power.On the other hand, constitute, can be from the efferent 209a of the pars intermedia that is located at horizontal main frame 209A strain root feedway transferring power to the feedway 8 that is used for carrying the harvesting straw.

Above-mentioned harvesting output gear 223 and harvesting input gear 226 are as Figure 29 and shown in Figure 30, reaping part 10 is being maintained under the state of work posture, be in the state of the mutual interlock of mutual front-back direction, can give reaping part 10 the engine power transmission of power.

For reaping part 10 is switched to non-work posture, as shown in figure 26, make above-mentioned reaping part 10 be elevated to both take the altitudes, keep its height by lock operation spare 218, with the get in touch releasing of hydraulic actuating cylinder 211 with tubular main frame 209B, as shown in figure 29, if only opening wide by the 212d of cover bracket portion with right carriage 212B makes reaping part 10 rotate around vertical axle center y of left tray 212A, then as Figure 25 and shown in Figure 32, the harvesting output gear 223 and the interlocking pattern of harvesting input gear 226 automatically can be removed, reaping part 10 is switched to non-work posture.

Drive structure to driving system is as follows.As shown in figure 33, the HST229 that travels is configured on the input position of the change speed gear box 228A that travels that takes in the change-speed box 228 that travels, and will import belt wheel 230 is configured on the HST229 that travels, output pulley 231 and the 2nd driving band (example of the 2nd ring-type rotor) 232 contacts with driving engine 28 constitute and can carry out transmission of power to the change-speed box 228 that travels from driving engine 28.

More than, travel change-speed box 228 and harvesting transmission system 215 import power from driving engine 218 with drive path independently.Thereby, need make moving velocity and harvesting speed synchronization.For this reason, adopt following structure.As shown in figure 34, travel change-speed box 228 all utilizes HST with harvesting transmission system 215.The speed change of HST is to be undertaken by the angle of change swash plate, but here in order to change the swash plate angle, uses the HST variable speed motor 233 of travelling, harvesting variable speed motor 234 to carry out.

As shown in figure 34, the moving velocity sensor 235 of the output speed of measuring the HST229 that travels is set, and the shifter bar 62 that travels of setting moving velocity is set, the shift position detecting sensor 237 of the current potential formula of the shift position that detects this shifter bar 62 that travels is set.

By such control structure, control setup 238 acceptance are set the speed of the HST215 that travels from the variable rate signal of shift position detecting sensor 237 by the HST variable speed motor 233 of travelling.

Detect the speed setting of the shifter bar 62 that is subjected to travelling and the output speed of the controlled HST229 of travelling passes to control setup 238 with its testing result by moving velocity sensor 235, by control setup 238 drive controlling harvesting HST variable speed motor 234.Thus, can make the harvesting speed among the harvesting HST215 become the speed synchronous with moving velocity.

But, travelling and gathering under the situation of operation while carrying out Ultra-Low Speed as moving velocity, if make harvesting speed and moving velocity synchronous, it is low that then harvesting speed became, and might take place will gather in the undesirable condition that crop overwhelms etc. by crawler travel device 3.Thereby, in the case, control harvesting HST variable speed motor 234 according to the testing result of the shift position detecting sensor 237 of the shifter bar 62 that travels, the speed setting of harvesting HST215 is not being brought to harvesting in the scope of obstacle.The sensor of the speed that detects harvesting HST215 also can be set, and the detected value by this sensor carries out controlled reset.

Installation constitution to fuel tank 239 describes.As Figure 26 and Figure 30, shown in Figure 31, on respect to the front position and left and right sides midway location of supporting box 213 of founding the left front end that is located at the body that travels by the body that travels, the upright framework 214 that is provided with support right carriage 212B.Be conceived to the space that the plate member 240,240 of the front and back of setting up with framework 214 by this supporting box 213 and framework 214 and across supporting box 213 surrounds, fuel tank 239 is positioned in this space.

Thickness of slab as fuel tank 239, owing to surround fuel tank 239 with the plate member 240,240 of the front and back of framework 214 by supporting box 213 and framework 214 and binding supporting box 213, and do not need to bear the load of reaping part 10 of comprising horizontal main frame 209A etc., so just relatively approach can, the fuel tank 239 of the roughly box of mating with spatial form is set.

Upper surface shape to fuel tank 239 describes.As Figure 35 and shown in Figure 36, the cross sectional shape of fuel tank 239 is the quadrangle shape that enters between supporting box 213 and the framework 214 in overlooking, and is distortion quadrangle shape in side-looking.That is, basic configuration is a quadrangle, but presents dip plane 239A at the forebody of top board.Thus, can make the part of the below that is positioned at tubular main frame 209B become the top rake posture, become the shape of be difficult for piling up stalk bits etc.

If the protuberance (hump) 241 of rubber plate system is set between the dip plane of fuel tank 239 239A and tubular main frame 209B, then can promote flowing earthward such as stalk bits, can improve the function of the accumulation that prevents stalk bits etc.

Then, the travel supporting construction of grain case 4 of organism frame 2 of body of formation is described.As Figure 23, Figure 24 and shown in Figure 37, in grain case 4, be equipped with the lead screw for cross-slide conveyer 244 that is used for, length travel screw rod conveyor 243 that grain in the grain case 4 is discharged to the outside and possesses discharge orifice 244A with being stored in.

As Figure 24 and shown in Figure 37, grain case 4 is laterally opened around vertical axle center z and is bearing in freely on the organism frame 2.Structure as the part of the supporting grain case 4 of organism frame 2, with front and back towards the right main frame 45A of posture with about towards the transverse frame 45B of posture configuration combination, on the part at the rear that is formed at right main frame 45A and transverse frame 45B, set up the plate framework 45C of triangle.

As Figure 24 and shown in Figure 37, plate framework 45C fixes superimposed also welding of both sides 45a, the 45a of quadrature on right main frame 45A and transverse frame 45B.The hypotenuse 45b of plate framework 45C is bent to form as shown in figure 38 down, possesses the 45d of bending edge portion.The width W down of the 45d of bending edge portion is set at the state that gradually changes like that with the connecting bridge maximum of transverse frame 45B, with the connecting bridge minimum of right main frame 45A.

By above such structure, by importing plate framework 45C, the situation of supporting part that constitutes the grain case 4 of organism frame 2 with main frame etc. is disposed is in length and breadth compared, and can realize the reduction of parts number of packages.

In addition, the width W down of the 45d of bending edge portion of plate framework 45C is set at the state that gradually changes like that with the connecting bridge maximum of transverse frame 45B, with the connecting bridge minimum of right main frame 45A, so the part of the width W down of maximum can be configured in the position that load becomes maximum, can be made as width W down corresponding to the size of load.

Extend the carriage 45G of groove shape from right main frame 45A towards horizontal extroversion, on the carriage 45G of this groove shape, be formed with the hole 45e that the unlimited vertical axle center z of grain case 4 swings uses.

Plate framework 45C laterally, the central part side disposes Fuel Tank 46 in the left and right sides of organism frame 2.As Figure 37 and shown in Figure 39, Fuel Tank 46 is configured in organism frame 2 left end left main frame 45D and between near the central frame 45E that rearward extends of the connecting portion of the hypotenuse 45b of plate framework 45C and transverse frame 45B.

Fuel Tank 46 be shaped as following such shape.As shown in figure 39, dispose at the place ahead of Fuel Tank 46 upper side and to possess the screen box 47 of device for sorting that the shelling handled thing is selected in swing, and between screen box 47 and Fuel Tank 46, dispose secondary thing lateral transfer device 48.For fear of with the interference of this secondary thing lateral transfer device 48, the upper surface of the fore-end of Fuel Tank 46 forms to the dip plane of front lower place 46A.

The lower surface of the fore-end of Fuel Tank 46 is positioned on the above-mentioned transverse frame 45B, and carrying state is more stable.On the other hand, the back of Fuel Tank 46 is fixed on the rear frame 45F that sets up to each other across the rear end of above-mentioned left main frame 45D and central frame 45E via carriage.

The upper surface 46B of Fuel Tank 46 is a tabular surface, but it highly is suppressed in the height that can not interfere when being fetched into outside the machine by the dust-exhausting port from the rear when screen box 47 is being safeguarded.

In the back of Fuel Tank 46, in the position from the upper end to the intermediate altitude dip plane 46C under backward, be set at the dip plane of flowing that can not hinder the row's stalk that falls from the carefully disconnected device 49 of row's stalk at the rear that is configured in screen box 47.

The latter half of Fuel Tank 46 is by being positioned at than above-mentioned transverse frame 45B by below and can realize incrementization, though and the lower surface first half is a tabular surface, begin to become the dip plane 46D that goes up backward from middle position.Like this, by making the dip plane 46D that goes up backward, even in the anti-possible trouble that terminates in of situation that also lower surface of Fuel Tank 46 can be ridden up under the situation that combination machine retreats on the ridge etc.

In addition, for above-mentioned formation, also can use in the combination machine of the 1st embodiment.

[other embodiments]

The snap fastener 156,174 that also can replace the foregoing description, employing possesses the snap fastener of following structure and implements, described snap fastener is arranged on connecting pin on transmission system side linkage part 152 or the pedal side linkage part 173, and pin-and-hole is arranged on bar side linkage part 155 or the drg side linkage part 172.In the case, also can realize purpose of the present invention.

Adopt at the Drive Section that replaces the above embodiments under the situation of the Drive Section of having equipped driving compartment and also can use the present invention.Thereby, the operator platform 50A and the driving compartment of above-mentioned enforcement is referred to as operator platform 50A.

[other embodiments again]

(1) in the 2nd embodiment, adopted band as the 1st, the 2nd ring- type rotor 21,32, but also can adopt chain etc.

(2) in the 2nd embodiment, adopted static oil pressure endless gearing device (HST) as harvesting transmission system 215, but also can be the continuously variable unit of belt or the step change device of gear type.

(3) in the 2nd embodiment, the driving engine 28 that is set in horizontal main frame 209A as the power input part 10A of reaping part 10 exists on the end of side, but also can be set on the connecting portion etc. of the feedway 8 that is used for carrying the harvesting straw and tubular main frame 209B.In addition, as the form of imput power and adopted harvesting input gear 226, but also can utilize other swivel such as belt wheel, sprocket wheel.

(4) in the 2nd embodiment, to right carriage 212B and the harvesting HST case 215A of portion, the 216A of reducing gearbox portion and erecting bed 217 integrally formed this point are illustrated, and here to right carriage 212B and the 216A of reducing gearbox portion and erecting bed 217 integrally formed this point are described.

In the past, shown in Figure 42 (a) and Figure 42 (b), right carriage 212B accept bracket part 212c and erecting bed 217 is integrally formed, the 216A of reducing gearbox portion is individually formed.Shown in Figure 43 (a) and Figure 43 (b), the 216A of reducing gearbox portion is divided into two casing, exports to the 216b of main body case portion of reaping part 10 from the transmission of power of harvesting HST215 and the 216b of main body case portion osed top top box portion (not shown) is constituted by being subjected to.In order to support the harvesting output gear 223 that the output of reduction gear 216 is passed to reaping part 10, be provided with the 216a of delivery casing portion of harvesting output gear 223 mounting supports on output shaft.The 216a of this delivery casing portion is integrally formed among the interior 216b of main body case portion of the 216A of reducing gearbox portion.

Integrally formed above such two parts be following structure.But, be not merely with two parts combinations, but implement and the transformation that state matches is set.Shown in Figure 44 (a)～Figure 44 (c), on erecting bed 217, for mounting to the surface of the oblique frame section 214A of framework 214 and extend the circular-arc 217A of erecting bed portion.Right carriage 212B accept bracket part 212a and the 216b of main body case portion orientate axle center P that makes the 216a of delivery casing portion and the interval of accepting the axle center Q of bracket part 212a as and become under the state at set interval integrated so that be bearing in harvesting output gear 223 and harvesting input gear 226 interlock mutually under the work posture of reaping part 10 that is bearing on the right carriage 212B on the 216a of delivery casing portion.

The rear end part 217B of erecting bed 217 extends to more rearward outstanding position from the input of the 216b of main body case portion from the 216c of input magazine portion of the power of harvesting HST215 in order stably to install and fix.

By above such structure, can keep the axle center Q of horizontal main frame 209A of right carriage 212B and the 216A of reducing gearbox portion output shaft axle center P interval setting etc. carry out easy degree, simultaneously, can guarantee to gather in the configuration freely of the HST case 215A of portion.

(5) in other embodiments of above-mentioned (4), right carriage 212B and the harvesting HST case 215A of portion, the 216A of reducing gearbox portion and erecting bed 217 are formed, though but do not illustrate here, also can adopt erecting bed 217, the harvesting HST case 215A of portion are integrally formed in the structure on the right carriage 212B.Structure when thus, can corresponding not use reduction gear 216.

(6) in the 2nd embodiment, made the structure that reaping part 10 is switched to non-work posture, but also can be applied to reaping part 10 is fixed as in the combination machine of work posture.

(7) the present invention is except combination machine, and also can be applied to the crop beyond the cereals such as carrot, onion serves as in the harvest operation machine of results object, can also be applied in the Operation Van that also comprises transport trolley etc. in them.

In addition, in each claim of claims, charged to Reference numeral with the contrast of accompanying drawing, but the present invention does not charge to the structure that is defined in embodiment because of this in order to carry out easily.

Claims (9)

1. combination machine possesses car bonnet (21) and is subjected to the driver's seat (51) of this car bonnet supporting in Drive Section (50), it is characterized in that,

Above-mentioned car bonnet (21) and driver's seat (51) constitute, can around up and down towards switching axle center (X) and switch to the closed condition of above-mentioned car bonnet (21) covering engine (28) and the open mode that above-mentioned car bonnet (21) opens wide above-mentioned driving engine (28)

Above-mentioned switching axle center (X) is configured on the body fore-and-aft direction than above-mentioned driving engine (28) by the rear, and transversely is configured in than the external side end (28b) of above-mentioned driving engine (28) in the inner part at body.

2. combination machine as claimed in claim 1 is characterized in that,

Be provided with around axle center (P) swing that is parallel to above-mentioned switching axle center (X) and be attached at bearer frame (42) on the body freely, supporting the free end side of above-mentioned car bonnet (21) sliding freely in the free end side of this bearer frame (42).

3. combination machine as claimed in claim 1 is characterized in that,

In above-mentioned Drive Section (50), be provided with the Drive Section floor (53) in the place ahead that is positioned at above-mentioned driver's seat (51) and control tower (54), in the horizontal side on above-mentioned Drive Section floor with the inside and outside separated horizontal sidewall (55) of above-mentioned Drive Section and the operation board (56) that is positioned at a horizontal side of above-mentioned driver's seat (51).

4. combination machine as claimed in claim 1 is characterized in that,

On above-mentioned body, be fixed with pillar (35), on this pillar, rotate the rotation connecting part (39a) that is supported with above-mentioned car bonnet (21) freely around above-mentioned switching axle center (X),

The level configurations at the position of above-mentioned pillar (35) the above-mentioned rotation connecting part of binding (39a) must be than the top height of above-mentioned driving engine (28).

5. as each described combination machine in the claim 1～4, it is characterized in that,

Be provided with operating portion (143a, 144a) that makes the operand device (143,144) that is located on the body and the mechanical type link gear (150,170) that is located at operating parts (62, the 141) interlock on the above-mentioned Drive Section (50),

This mechanical type link gear possesses the 1st linkage part (155,173) that is bearing on the above-mentioned operator platform and is bearing in the 2nd linkage part (152,172) on the above-mentioned body,

Be provided with snap fastener (156,174) across above-mentioned the 1st linkage part and above-mentioned the 2nd linkage part, can switch to the fastening state and the disengaged position that two linkage parts are separated that makes the interlock of two linkage parts by this snap fastener,

Above-mentioned snap fastener constitutes, switch at above-mentioned Drive Section (50) that the relative separation by above-mentioned two linkage parts switches to disengaged position under the situation of above-mentioned open mode, switch at above-mentioned Drive Section (50) under the situation of above-mentioned closed condition by above-mentioned two linkage parts relatively near switching to fastening state.

6. combination machine as claimed in claim 5 is characterized in that,

Aforesaid operations spare (62) is provided in a side of the shifter bar that travels on the operation board (56) of above-mentioned Drive Section (50);

Aforesaid operations object apparatus (143) is in the change speed gear box (142) that is equipped in above-mentioned body and can carry out the continuously variable unit of variable speed operation by the above-mentioned shifter bar that travels.

7. combination machine as claimed in claim 5 is characterized in that,

Aforesaid operations spare (141) is provided in a side of the brake pedal on the Drive Section floor (53) of above-mentioned Drive Section (50);

Aforesaid operations object apparatus (144) is in the change speed gear box (142) that is equipped in above-mentioned body and drg that can be by the above-mentioned body of above-mentioned brake pedal brake operating.

8. as each described combination machine in the claim 1～4, it is characterized in that,

Be provided with reaping part (10), the change-speed box that travels (228), variable-speed dynamic passed to the harvesting transmission system (215) of the power input part (10A) of above-mentioned reaping part,

Above-mentioned driving engine (28) and the above-mentioned change-speed box that travels (228) motility are transmitted the ground contact, and above-mentioned driving engine (28) and above-mentioned harvesting transmission system (215) motility transmission ground contact, and

Above-mentioned harvesting transmission system (215) be configured in above-mentioned reaping part power input part (10A) near.

9. combination machine as claimed in claim 8 is characterized in that,

Above-mentioned reaping part (10) constitutes, and can switch to the work posture in the place ahead that is positioned at above-mentioned body and the non-work posture of keeping out of the way from the place ahead of above-mentioned body, and

On above-mentioned body, be provided with the output gear (223) of the variable-speed dynamic of above-mentioned harvesting transmission system (215) being exported to the power input part (10A) of above-mentioned reaping part,

In above-mentioned harvesting transmission system (215), be provided with the input gear (226) that above-mentioned variable-speed dynamic is imported to above-mentioned power input part (10A),

Above-mentioned output gear and input gear constitute interlock mutually/disengaging.

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