WO2018016322A1 - Moissonneuse-batteuse - Google Patents

Moissonneuse-batteuse Download PDF

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Publication number
WO2018016322A1
WO2018016322A1 PCT/JP2017/024686 JP2017024686W WO2018016322A1 WO 2018016322 A1 WO2018016322 A1 WO 2018016322A1 JP 2017024686 W JP2017024686 W JP 2017024686W WO 2018016322 A1 WO2018016322 A1 WO 2018016322A1
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WO
WIPO (PCT)
Prior art keywords
engine
hydraulic
grain
traveling
hydraulic oil
Prior art date
Application number
PCT/JP2017/024686
Other languages
English (en)
Japanese (ja)
Inventor
村山　昌章
山中　健史
直也 徳永
Original Assignee
ヤンマー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2016141869A external-priority patent/JP6594830B2/ja
Priority claimed from JP2016147820A external-priority patent/JP6625499B2/ja
Application filed by ヤンマー株式会社 filed Critical ヤンマー株式会社
Publication of WO2018016322A1 publication Critical patent/WO2018016322A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/12—Details of combines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/063—Arrangement of tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/04—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, transversely to the longitudinal centre line of the vehicle

Definitions

  • the invention of the present application relates to a combine equipped with a harvesting unit that harvests uncut cereal grains in a field and a threshing unit that threshs grains of the harvested cereal grains.
  • a cutting part having a grain header, a feeder house and a cutting blade
  • a threshing part having a handling cylinder
  • a traveling machine body provided with a traveling part and an engine
  • a bowl receiving a grain from the threshing part via a grain discharge conveyor
  • Patent Document 1 In harvesting operations in a small field, a combine with a light-weight structure capable of configuring the entire machine body compactly while securing the harvested width of the cereals is desired, as in the combine in Patent Document 1. Since Patent Documents 2 to 3 have a traveling unit drive structure suitable for a high-power engine, a structure in which a traveling unit drive structure suitable for a small-power engine mounted on a small and light-weight combine cannot be easily configured. There is a problem above. On the other hand, in a combine having a small and light structure as in Patent Document 1, there is a limit to a region where a hydraulic oil tank, an oil cooler, or the like is installed in the hydraulic circuit. In other words, it becomes a cause of inconvenience in work efficiency in maintenance work such as piping work of hydraulic piping and hydraulic oil replacement work in the hydraulic oil tank.
  • Patent Documents 4 to 5 a cooling cooler fan is attached to the intermediate shaft provided in the transmission path between the engine and the hydraulic continuously variable transmission.
  • a cooling cooler fan is attached to the intermediate shaft provided in the transmission path between the engine and the hydraulic continuously variable transmission.
  • the large-scale combine used for harvesting work in a large-area field. Apply and cool the radiator for water cooling the engine.
  • a light-weight combine that allows a compact configuration of the entire machine body while ensuring the harvesting width of the cereals is used. Traveling with a hydraulic continuously variable transmission provided in the transmission case for driving the traveling unit, an oil cooler that cools the hydraulic oil of the hydraulic continuously variable transmission, and a cooling cooler fan, while considering downsizing of the entire combine Improvements in performance or simplification of maneuvering operations are desired.
  • Patent Document 4 is a traveling unit drive structure suitable for a high-power engine, there is a structural problem such that a traveling unit drive structure suitable for a small-power engine mounted on a small and light-weight combine cannot be easily configured. is there.
  • the threshing unit is mounted on the upper surface of the traveling machine body in a horizontal orientation directed in the left-right direction, the engine and the hook receiving part are disposed behind the threshing part, and the left and right rear parts of the rear side of the traveling machine body
  • the left and right rear parts of the rear side of the traveling machine body There is a structural problem such as that it is not possible to construct a combine with a small and light structure by arranging the rod receiving part and the steering column side by side.
  • an intake duct is provided outside the engine room in order to take in cooling air for cooling the radiator in the engine room, but it is intended for a large combine.
  • a small combine for example, when an oil cooler and a cooling cooler fan for cooling the hydraulic oil of a hydraulic continuously variable transmission are provided, it is necessary to provide an intake duct for taking in cooling air for cooling the oil cooler. There is a problem that a sufficient cooling effect cannot be obtained due to buffering with other parts.
  • the present invention seeks to provide an ordinary combine that has been improved by examining these current conditions.
  • a combine according to the present invention includes a cutting part having a cutting blade, a threshing part having a handling cylinder, a traveling machine body provided with a traveling part and an engine, a transmission case for driving the traveling part, and a non-hydraulic component.
  • the hydraulic oil tank that supplies the hydraulic oil to the hydraulic continuously variable transmission has the threshing in a horizontal posture in a horizontal direction. It is mounted on the traveling machine body so as to be juxtaposed with the engine behind the unit, and an engine output shaft protrudes from one side of the engine while facing the other side of the engine.
  • a tank is arranged.
  • the combine of the present invention includes a cutting part having a cutting blade, a threshing part having a handling cylinder, a traveling machine body provided with a traveling part and an engine, and a threshing part via a grain discharge conveyor.
  • An oil cooler that cools the hydraulic oil of the hydraulic continuously variable transmission is provided by a cooling cooler fan in a combine that includes a sorting unit that sorts grain and includes a hydraulic continuously variable transmission in a transmission case for driving the traveling unit. Is installed on the outside of the machine, the opposite side of the oil cooler from the cooling cooler fan is covered with a suction duct, and the suction duct has a triangular shape with at least a lower surface opened and an inclined upper surface. These are arranged below the sorting unit.
  • the engine is brought close to the rear of the threshing portion in the horizontal orientation to form the combine body compactly, and the large capacity hydraulic oil tank can be supported at a position that is easily accessible from the outside of the body on the right side of the engine. Therefore, it is possible to mount the hydraulic oil tank on the combine that has been reduced in size and weight without limiting the capacity of the hydraulic oil tank, and it is easy to perform oil supply work and maintenance work on the hydraulic oil tank.
  • the lower surface of the suction duct is opened to form the outside air intake, so that the suction of dust and dust falling from above is small, and the cooling effect in the oil cooler can be maintained.
  • the suction duct has an inclined surface whose upper surface is inclined, a space can be provided above the suction duct, and for example, a storage place for a spare bag can be configured.
  • the outside air intake port on the lower surface of the suction duct is not blocked, so the cooling effect in the oil cooler may be reduced. Absent.
  • FIG. 2 is an enlarged explanatory view of FIG. 1.
  • FIG. 3 is an enlarged explanatory view of FIG. 2.
  • FIG. 4 is an enlarged explanatory view of FIG. 3.
  • It is a perspective view of the traveling machine body seen from the left rear.
  • FIG. 8 is an enlarged explanatory diagram of FIG. 7.
  • FIG. 10 is an enlarged explanatory view of FIG. 9.
  • It is a drive system diagram of a normal type combine. It is a hydraulic circuit diagram of a normal type combine.
  • FIG. 27 is an enlarged explanatory diagram of FIG. 26. It is a perspective view of the traveling body viewed from the right front. It is a right view of a traveling body. It is a right rear perspective view showing the structure of the hydraulic piping and the drive system in the traveling machine body. It is a right front perspective view which shows the structure of the hydraulic piping in a traveling machine body. It is a perspective view of a hydraulic oil tank. It is sectional drawing of a hydraulic oil tank.
  • FIGS. 1 to 28 the left side in the forward direction of the traveling machine body 1
  • the right side in the forward direction is also simply referred to as the right side.
  • the ordinary combine in the embodiment includes a traveling machine body 1 supported by a pair of left and right crawler belts 2 made of rubber crawlers as a traveling portion.
  • a harvesting part 3 that is taken in while harvesting uncut grain cereal such as rice (or wheat) is mounted by a single-acting lifting hydraulic cylinder 4 so as to be adjustable up and down.
  • a threshing unit 9 for threshing the harvested cereal meal supplied from the harvesting unit 3 is mounted on the front upper surface of the traveling machine body 1. Inside the threshing unit 9, a handling cylinder 21 is disposed as a cereal threshing rotor described later. On the right side of the rear part of the traveling machine body 1, a driving operation unit 5 that is operated by an operator while walking is mounted. An engine 7 as a power source for each part of the combine is disposed in the central part of the traveling machine body 1. On the rear left side of the traveling machine body 1 (on the left side of the driving operation unit 5), a ridge receiving unit 6 for taking out the grain from the threshing unit 9 is arranged.
  • the grain in the threshing part 9 is carried out by the grain discharge conveyor 8 toward the jar receiving part 6.
  • An air passage forming duct body 10 serving as a grain sorting unit for sorting out cereals is provided at the feed terminal of the grain discharge conveyor 8 in a low posture before and after high posture.
  • the cutting unit 3 includes a feeder house 11 that communicates with the handling port supply unit at the front of the threshing unit 9, and a horizontally long bucket-shaped grain header 12 that is connected to the front end of the feeder house 11.
  • a scraping auger 13 platform auger
  • a take-up reel 14 with a tine bar is disposed above the front portion of the take-up auger 13.
  • a clipper-shaped cutting blade 15 is disposed in front of the grain header 12.
  • Left and right weed bodies 16 are provided to project from the left and right sides of the front part of the grain header 12.
  • a supply conveyor 17 is installed in the feeder house 11.
  • the lower surface portion of the feeder house 11 and the front end portion of the traveling machine body 1 are connected via a lifting hydraulic cylinder 4, and the cutting portion 3 moves up and down using a cutting input shaft 18 (feeder house conveyor shaft) described later as a lifting fulcrum.
  • the hydraulic cylinder 4 is moved up and down.
  • the tip of the uncut grain culm between the left and right weed bodies 16 is scraped by the scraping reel 14, and the uncut grain culm is trimmed by the cutting blade 15.
  • the harvested cereal grains are collected near the entrance of the feeder house 11 near the center of the left and right width of the grain header 12.
  • the whole amount of the harvested cereal meal of the grain header 12 is conveyed by the supply conveyor 17 in the feeder house 11 and is put into the treatment chamber 22 from the treatment port supply plate 9a provided on the left side of the threshing part 9. ing.
  • a handling cylinder 21 is rotatably provided in the handling chamber 22 of the threshing unit 9.
  • a handling cylinder 21 is pivotally supported on a handling cylinder shaft 20 extended in the left-right direction of the traveling machine body 1.
  • a receiving net 24 for allowing the grains to leak is stretched.
  • a handling port supply plate 9 a that communicates with the cereal feed end side of the supply conveyor 17 is formed in the lower left portion of the handling chamber 22, while a dust outlet 23 is formed in the lower right portion of the handling chamber 22.
  • a horizontal handling posture cylinder 21 is mounted on the front part of the traveling machine body 1 and the feeder house 11 is disposed at the left end of the threshing part 9, and the feeder house 11 that is long in the front-rear direction is provided. It is comprised so that the moving direction of the harvested cereal meal in the threshing part 9 of the horizontal placement posture may be changed to the orthogonal direction.
  • the harvested cereal mash introduced from the handling port supply plate 9 a by the supply conveyor 17 is conveyed from the left side to the right side of the traveling machine body 1 by the rotation of the handling cylinder 21, while the handling cylinder 21 and the receiving net 24. And kneaded in between.
  • the threshing of grains or the like smaller than the mesh of the receiving net 24 leaks from the receiving net 24.
  • the sawdust or the like that does not leak from the receiving net 24 is discharged from the dust outlet 23 on the lower right side of the handling chamber 22 to the cut surface of the farm field through the upper surface side of the right crawler belt 2 by the conveying action of the handling cylinder 21. It is configured.
  • an air passage forming duct arranged at the feed end portion on the rear end side of the grain discharge conveyor 8 in the front, lower, and high posture as a grain selecting portion for selecting threshing.
  • a body 10 and a suction fan device 34 that sucks and discharges dust by introducing a sorting wind into the air passage forming duct body 10 are provided.
  • a grain takeout conveyor 36 is placed horizontally below the receiving net 24, and the threshing that has been threshed by the handling cylinder 21 and leaked from the receiving net 24 is made to pass through the grain takeout conveyor 36 and the grain discharge conveyor 8.
  • the cereal grains carried into the air passage forming duct body 10 through the air passage forming duct body 10 are converted into heavy grains, light shavings, and the like by the air sorting action of the suction fan device 34. It is configured to be sorted.
  • the grain discharge conveyor 8 is extended between the threshing section 9 and the heel receiving section 6 in a front low and high posture.
  • the feed start end side of the front end portion of the grain discharge conveyor 8 is connected to the feed end side of the left end portion of the grain take-out conveyor 36.
  • a grain take-out conveyor 36 is provided inside the V-shaped grain take-out bottom of the threshing section 9. The grains that have leaked from the receiving net 24 to the grain takeout conveyor 36 are transferred from the left end of the grain takeout conveyor 36 to the front end of the grain discharge conveyor 8, and the air passage forming duct on the rear end side of the grain discharge conveyor 8. It is configured to be transferred from the body 10 to the bag receiving unit 6 and collected in the bag 37 of the bag receiving unit 6.
  • the eaves receiving portion 6 is connected to the left rear end portion of the traveling machine body 1 via the base support frame 38a, and the eaves receiver attached to the left rear end portion of the traveling machine body 1 via the support frame body 39.
  • An arm body 39a is provided.
  • the air passage forming duct body 10 is supported on the upper end side of the support frame body 39, and the filling hopper 19 is provided at the grain outlet of the air passage forming duct body 10, and the straw bag 37 is attached to the straw receiving arm body 39a.
  • the opening of the straw bag 37 is attached to the hanging and filling hopper 19, and the grains discharged from the filling hopper 19 are filled into the straw bag 37.
  • a steering column 41 is arranged in the driving operation unit 5.
  • the steering column 41 is used to drive or stop the left and right side clutch levers 43 and 44 that change the course of the traveling machine body 1, the traveling speed change lever 45 that switches the traveling speed of the traveling machine body 1, and the reaping part 3 or the threshing part 9.
  • a working clutch lever 46, a cutting lift lever 47 for lifting and lowering the cutting unit 3, and a parking brake lever 48 are arranged.
  • a walking handle 49 is protruded rearward on the rear side of the steering column 41, and the accelerator lever 40 is attached to the left grip portion of the walking handle 49.
  • Left and right side clutch levers 43, 44, a mowing lift lever 47, and a travel speed change lever 45 are arranged in parallel in order from the right side on the upper surface side of the control column 41, and the operation position of the travel speed change lever 45 on the inner side of the body is set. It is formed higher than the operation position of the other levers 43, 44, 46, 47, and the traveling speed change lever 45 that is operated less frequently during the harvesting operation that moves the field at a substantially constant speed is supported on the inner side of the machine body.
  • the side clutch levers 43 and 44 and the mowing lift lever 47, which are frequently operated during work, are configured to be supported on the outer side of the machine body.
  • a driver's seat 42 on which an operator sits is detachably disposed behind the control column 41.
  • a driver's seat bracket body 111 is provided at the right rear end portion of the traveling machine body 1, and the front end portion of the driver's seat frame 112 is detachably bolted to the driver seat bracket body 111.
  • the rear end side of the driver's seat frame 112 extends substantially horizontally from the right rear end of the upper fuselage frame 1b to the rear, and the driver seat 42 is attached to the rear end portion of the driver's seat frame 112.
  • a driver's seat 42 is arranged behind the driver's operation unit 5 via the driver so that an operator sitting on the driver's seat 42 can operate the levers 43, 44, 45, 46, 47, 48, etc. of the driver's operating unit 5. is doing.
  • a foot guard body 114 disposed between the feet of the operator sitting on the driver's seat 42 and the rear end of the right crawler belt 2 is provided.
  • the guard body support frame 115 is extended downward from the lower surface side of the driver seat bracket body 111, the foot guard body 114 is fixed to the guard body support frame 115, and the operator's feet are in contact with the right crawler belt 2.
  • the foot guard body 114 is configured to block.
  • the footrest frame 112a is extended downward from the front and rear intermediate portion of the driver seat frame 112, the footrest 113 is fixed to the lower end portion of the footrest frame 112a, and the operator seated on the driver seat 42 The foot is configured to be placed on the footrest 113.
  • left and right front support legs 32 and rear support legs 33 project downward from the lower surface side of the traveling machine body 1, and the left and right support leg bodies 32,
  • the left and right track frames 50 are arranged via 33.
  • the track frame 50 has a drive sprocket 51 that transmits the power of the engine 7 to the crawler belt 2, a tension roller 52 that is supported via a tension mechanism 53 that maintains the tension of the crawler belt 2, and the ground side of the crawler belt 2 is held in a grounded state.
  • a plurality of track rollers 54 are provided.
  • the front side of the crawler belt 2 is supported by the tension roller 52, the rear side of the crawler belt 2 is supported by the drive sprocket 51, the ground side of the crawler belt 2 is supported in a horizontal posture by the track roller 54, and the non-ground side of the crawler belt 2 is It is configured to support a low rear and high posture.
  • a transmission continuously variable hydraulic continuously variable transmission 64 incorporating a traveling hydraulic pump 30 and a traveling hydraulic motor 31 is provided in the transmission case 63.
  • the engine 7 is mounted on the center upper surface of the traveling machine body 1, and a mission case 63 is disposed at the rear of the traveling machine body 1 behind the engine 7.
  • a travel drive pulley 69 on the engine output shaft 65 projecting leftward from the engine 7 and a shift input pulley 70 on the speed change input shaft 66 projecting leftward from the transmission case 63 are connected to the front travel output belt 67a.
  • the rear traveling output belt 67b the rear traveling output belt 67b.
  • the front traveling tension belt 68a is tensioned by the front traveling tension pulley 68a
  • the rear traveling output belt 67b is tensioned by the rear traveling tension pulley 68b to transmit power from the engine 7 to the transmission case 63.
  • the left and right crawler belts 2 are configured to be driven.
  • the input pulley fan 70a is fixed to the outer surface of the left side of the transmission input pulley 70, and the hydraulic continuously variable transmission 64 is cooled by the input pulley fan 70a. Yes.
  • the intermediate frame 131 is erected on the traveling machine body 1 in a backward inclined posture, and the left intermediate pulley 133 is connected to the upper end side of the intermediate frame 131 via the intermediate shaft 132.
  • the right intermediate pulley 134 are pivotally supported integrally, and the front traveling output belt 67a is hung around the traveling driving pulley 69 and the left intermediate pulley 133 via the front traveling tension pulley 68a.
  • a rear traveling output belt 67b is wound around a rear traveling tension pulley 68b between the transmission 134 and the transmission input pulley 70.
  • the transmission case 63 on the rear side of the engine 7 is disposed closer to the right side of the body with respect to the center line of the longitudinal direction of the body, and the mounting position of the transmission input pulley 70 is formed closer to the center of the traveling body 1 than the mounting position of the traveling drive pulley 69. .
  • the input pulley fan 70a supported by the transmission input pulley 70 on the rear end side of the rear traveling output belt 67b is disposed on the rear side of the front traveling output belt 67a.
  • a hydraulic continuously variable transmission 64 can be integrally mounted and fixed on the upper part of the transmission case 63 between the left and right crawler tracks 2 behind the engine 7, and the heavy-duty engine 7 and the transmission case 63 are connected to the center of the left and right width of the body (front and rear of the body). The weight balance in the left-right direction of the aircraft is well formed.
  • a counter shaft 72 for driving the cutting unit 3 and the handling cylinder 21 is provided.
  • a counter shaft 72 is rotatably provided on the upper surface side of the traveling machine body 1 (upper machine frame 1b) via the left bearing body 71a and the right bearing body 71b.
  • a threshing drive pulley 57 on the output shaft 65 protruding leftward from the engine 7 and a counter shaft pulley 58 at the left end of the counter shaft 72 are connected via a threshing drive belt 59.
  • the threshing drive belt 59 is tensioned by the tension roller type work clutch 60, and power is transmitted from the engine 7 to the counter shaft 72.
  • a counter shaft sprocket 73 is pivotally supported on the right end portion of the counter shaft 72.
  • a countershaft sprocket 73 and a handlebar shaft input sprocket 74 at the right end of the handlebar shaft 20 are connected by a threshing drive chain 75, and the handlebar cylinder 21 is driven via the countershaft 72.
  • a grain delivery sprocket 76 is pivotally supported on the right end of the barrel 20.
  • the grain delivery sprocket 76 and the delivery input sprocket 77 at the right end of the grain takeout conveyor 36 are connected by a delivery drive chain 78, and the grain takeout conveyor 36 is driven via the counter shaft 72. Yes.
  • the feed start end side of the grain discharge conveyor 8 is connected to the left end of the grain take-out conveyor 36 via a grain discharge sprocket 79.
  • the grain discharge conveyor 8 has an endless belt-like grain discharge chain 8a and a plurality of grain discharge plates 8b arranged at equal intervals on the grain discharge chain 8a.
  • the grain discharge chain 8a is hung around the grain discharge sprocket 79, the grain extraction conveyor 36 and the grain discharge conveyor 8 are driven in conjunction, and a plurality of grains are extracted from the left end of the grain extraction conveyor 36.
  • the grain discharge plate body 8b is configured to convey the bottom plate of the grain discharge conveyor 8 toward the air duct forming duct body 10 along the bottom plate.
  • the fan drive pulley 82 on the left end of the counter shaft 72 and the blower fan pulley 83 on the fan shaft 34 a of the suction fan device 34 are connected by a fan drive belt 84 that is tension-supported by the fan tension pulley 81. Yes.
  • the power from the engine 7 is transmitted to the cylinder 21 and the suction / exhaust dust fan 34b of the suction fan device 34 via the counter shaft 72, so that the cylinder 21 and the intake / exhaust dust fan 34b are driven in conjunction with each other. ing.
  • each part of the threshing part 9 (the handling cylinder 21, each conveyor 8, 36, and the dust suction / discharge fan 34b) is set at a constant rotational speed. Driving.
  • a handling shaft output sprocket 85 provided at the left end portion of the handling shaft 20 and a cutting input sprocket 86 provided at the left end portion of the cutting input shaft 18 which is a lifting fulcrum of the cutting portion 3 are connected by a cutting input chain 87.
  • the barrel 21 and the supply conveyor 17 are driven in conjunction with each other via a cutting input shaft 18 that supports the entire cutting unit 3 so as to be movable up and down.
  • a header drive shaft 91 is provided on the rear surface side of the grain header 12 left side of the cutting unit 3 via a pair of header drive bearing bodies 141.
  • the left end of the cutting input shaft 18 is connected to the right end of the header drive shaft 91 via header drive sprockets 88 and 89 and a header drive chain 90.
  • the grain header 12 is provided with a scraping shaft 93 that pivotally supports the scraping auger 13.
  • the left end portion of the header drive shaft 91 is connected to the left end portion of the take-in shaft 93 via a take-in drive chain 92 and take-in drive sprockets 94 and 95.
  • the scraping auger 13 is driven via the cutting input shaft 18 and the header drive shaft 91.
  • the reel support frame 151 is fixed to the top surface of the grain header 12.
  • a reel shaft 96 that pivotally supports the take-up reel 14 is provided, and the left and right end portions of the reel shaft 96 are pivotally supported at the distal ends of the left and right reel support frames 151.
  • the scraping reel 14 is supported on the upper surface side of the grain header 12 via left and right reel support frames 151.
  • Reel support arms 155 that support the intermediate portions of the left and right reel support frames 151 are provided on the left and right side surfaces of the grain header 12.
  • a reel drive shaft 153 is provided on the right side surface portion of the grain header 12, and a reel drive sprocket 98 and a reel drive pulley 161 are supported on the reel drive shaft 153 as well as a reel drive.
  • the sprocket 98 and the reel drive pulley 161 are integrally fixed.
  • a reel drive chain 97 is wound around a reel input sprocket 99 and a reel drive sprocket 98 provided at the right end of the take-in shaft 93.
  • a reel drive belt 164 is wound around a reel driven pulley 163 and a reel drive pulley 161 provided at the right end of the reel shaft 96.
  • a reel drive tension pulley 166 is pivotally supported at the tip of the reel drive tension arm 165 so as to be rotatable.
  • a reel shaft 96 is linked to the header drive shaft 91 via a reel drive chain 97 and a reel drive belt 164.
  • the reel driving shaft 153 supports the base end of the reel driving tension arm 165, the reel driving belt 164 is pressed against the reel driving tension pulley 166 by the reel driving tension spring force, and the reel driving tension pulley 166 causes the reel driving belt to rotate. Supports 164 in tension.
  • a scraping drive chain 92 is installed in the chain cover body 169 on the left side of the cutting unit 3, and a reel driving belt 164 is installed in the belt cover body 170 on the right side of the cutting unit 3.
  • a cutting blade 15 is connected to the right end portion of the take-in shaft 93 via a cutting blade drive crank mechanism 100.
  • each part of the cutting unit 3 (the supply conveyor 17, the take-up auger 13, the take-up reel 14, and the cutting blade 15) is driven, and the uncut rice in the field It is configured to continuously cut the tip side of the reed.
  • the cutting blade drive crank mechanism 100 is installed in the cutting blade drive cover body 171 on the right side of the cutting unit 3.
  • the traveling hydraulic pump 30 and the traveling hydraulic motor 31 of the hydraulic continuously variable transmission 64 for traveling speed change are connected by a closed loop hydraulic circuit 211 and a charge pump 212 that supplies hydraulic oil to the closed loop hydraulic circuit 211.
  • a charge pump 212 that supplies hydraulic oil to the closed loop hydraulic circuit 211.
  • an elevating hydraulic circuit 214 having an elevating valve 213 is provided, and a working pump 215 for moving the elevating hydraulic cylinder 4 up and moving the elevating valve 213 by operating the cutting elevating lever 47 is provided.
  • the charge pump 212 and the work pump 215 are configured to be driven in conjunction with the traveling hydraulic pump 30 via the transmission input shaft 66.
  • the hydraulic oil in the hydraulic oil tank 55 is pumped to the hydraulic continuously variable transmission 64 or the lifting hydraulic circuit 214 by the charge pump 212 and the work pump 215, and traveled by the traveling hydraulic pump 30. While the hydraulic motor 31 is actuated to output continuously variable speed, the working pump 215 moves up and down the hydraulic cylinder 4 to raise and lower the cutting unit 3.
  • the hydraulic oil is returned from the hydraulic continuously variable transmission 64 or the lift hydraulic circuit 214 to the hydraulic oil tank 55 via the oil cooler 217.
  • the oil cooler 217 is configured to be air-cooled by a cooling cooler fan 218 provided on the intermediate shaft 132 to maintain the hydraulic oil in the hydraulic oil tank 55 at a predetermined temperature or lower.
  • the traveling machine body 1 is configured in a vertical multistage eaves structure by the lower machine body frame 1a, the upper machine body frame 1b, and the support frame 1c.
  • the left and right track frames 50 are fixed to the lower surface side of the lower body frame 1 a via the front support legs 32 and the rear support legs 33, and the left and right crawler belts 2 are mounted via the left and right track frames 50.
  • the lower surface of the engine 7 is connected to the mounting portion on the upper surface of the upper body frame 1b, and the engine 7 is mounted on the upper body frame 1b.
  • the engine 7 is a traveling body 1 between the driving operation section 5 and the saddle receiving section 6. Located in the center.
  • the engine 7 is arranged at the center of the left and right width of the traveling machine body 1, and the driving operation unit 5 is arranged at the rear part of the upper body frame 1 b on the right side of the engine 7 (rear right side of the traveling machine body 1) centering on the engine 7.
  • a saddle receiving portion 6 is arranged at the rear of the upper body frame 1b on the left side of the engine 7 (the rear left side of the traveling body 1), and a hydraulic oil tank is disposed on the upper right side of the upper body frame 1b on which the engine 7 is mounted.
  • 55 and a battery 56 are arranged. The battery 56 is used as a starting power source for the engine 7.
  • the upper body frame 1b projects to the left and right with respect to the lower body frame 1a.
  • the left rear part of the upper body frame 1b extends outward from the left crawler belt 2, and a support frame body 39 that supports the air passage forming duct body 10 is erected on the extended part of the left rear part.
  • the right side portion of the upper body frame 1b extends toward the upper side of the right crawler belt 2, and the driving operation unit 5 is installed at the rear end portion of the right side portion.
  • a hydraulic oil tank 55 and a battery 56 are mounted in order from the front on the upper surface of the extended portion in the right side portion of the upper body frame 1b.
  • the front end side of the lower body frame 1a extends forward from the front end side of the upper body frame 1b, and the bottom portion of the threshing portion 9 is placed on the upper surface of the front end side of the lower body frame 1a.
  • the engine 7 is installed on the upper surface of the upper body frame 1b on the rear side of the threshing part 9, and the upper surface height of the threshing part 9 and the height of the upper surface of the engine 7 are made to coincide with each other.
  • An installation surface (upper surface of the lower machine frame 1a) of the threshing portion 9 is formed lower than the upper machine frame 1b (upper surface).
  • a handling port supply plate 9 a is arranged at a low position on the left front part of the threshing unit 9, and a handling port 9 b (cutting grain culm inlet) of the threshing unit 9 is configured at a low position of the traveling machine body 1.
  • a lifting hydraulic cylinder 4 is attached to the front end of the lower fuselage frame 1a.
  • the hydraulic oil tank 55 is disposed on the upper right side of the upper body frame 1 b and the hydraulic oil such as the lifting hydraulic cylinder 4 is stored in the hydraulic oil tank 55.
  • a hydraulic oil tank 55 and a battery 56 are mounted side by side on the right side of the engine 7 on the upper surface of the upper body frame 1b. That is, the hydraulic oil tank 55 is mounted on the right front end portion (the rear surface of the threshing portion 9) of the upper body frame 1b, and the battery 56 is mounted behind the hydraulic oil tank 55.
  • the rear ends of the lower body frame 1a are connected to the rear ends of the left and right track frames 50 by the left and right rear support legs 33, and the upper ends of the left and right rear support legs 33 are extended toward the rear upper side of the lower body frame 1a.
  • the left and right axle cases 63a on both sides of the transmission case 63 are detachably supported on the upper ends of the left and right rear support legs 33, and the rear end side of the upper fuselage frame 1b is located behind the rear end side of the lower fuselage frame 1a.
  • the upper end side of the transmission case 63 is detachably supported on the rear end side of the upper body frame 1b via the upper connecting body 62.
  • the upper end side of the rear support leg 33 and the upper body frame 1b The mission case 63 is disposed in a backward inclined posture on the rear end side.
  • the rear end portion of the left and right crawler belts 2 is stretched through the left and right drive sprockets 51 on the left and right axle cases 63a on the lower end side of the mission case 63. That is, the drive sprocket 51 is supported on the upper end side of the rear support leg 33 via the left and right axle cases 63a, and the crawler belt 2 is formed between the tension roller 52 at the front end of the track frame 50 and the drive sprocket 51 on the upper end side of the rear support leg 33.
  • the non-grounding side is stretched, and the non-grounding side of the crawler belt 2 is supported in a front low rear high posture in which the crawler belt 2 is inclined forward and downward.
  • a mission protection frame 116 for bolting both ends to the right rear end portion and the left axle case 63a of the upper fuselage frame 1b is provided.
  • the mission protection frame 116 surrounds the rear side of the mission case 63, and the mission protection frame.
  • a mission protection cover 117 is attached to 116, and the upper side and the rear side of the hydraulic continuously variable transmission 64 above the mission case 63 are covered with the mission protection cover 117.
  • the counter shaft 72 is installed in a horizontal posture above the upper body frame 1b at the front of the traveling body 1. That is, the left bearing mounting base 415 is fixed above the left edge of the front part of the upper body frame 1b, while the right bearing mounting base 416 is fixed above the right extension part of the front part of the upper body frame 1b.
  • the left and right bearing bodies 71a and 71b are fixed to the upper surfaces of the left and right bearing mounting bases 415 and 416 fixed on the upper body frame 1b, so that the counter shaft 72 pivotally supported by the bearing bodies 71a and 71b is provided.
  • the upper body frame 1b is extended in the left-right direction above the front side.
  • a side plate support frame 145 and an engine side plate body 146 are erected on the upper left side of the upper body frame 1b, and the side plate support frame 145 and the engine side plate body 146 are connected and fixed, and the threshing tension arm 147 base side of the side plate support frame 145 is provided.
  • the working clutch 60 is disposed on the tip side of the threshing tension arm 147 extended forward, the threshing driving belt 59 is stretched via the working clutch 60, and the counter shaft 72 is connected to the output shaft 65 of the engine 7. ing.
  • the fan case 29 of the suction fan device 34 is fixed to the support frame body 39, the suction fan device 34 is disposed on the left side of the engine side plate 146 on the left side of the engine, and the suction fan is provided on the left side of the engine 7 via the engine side plate 146.
  • a device 34 is provided.
  • the suction fan device 34 is configured to suck warm air around the engine 7 through the engine side plate 146.
  • the base end side of the fan tension arm 148 is attached to the lower left side of the upper body frame 1b, and the fan tension pulley 81 is disposed at the front end side of the fan tension arm 148 extending forward, so that the fan shaft 34a and the counter shaft 72 are connected.
  • a fan drive belt 84 to be connected is stretched.
  • the front traveling tension arm 149a on which the front traveling tension pulley 68a is supported is supported on the intermediate frame 131
  • the rear traveling tension arm 149b on which the rear traveling tension pulley 68b is supported is supported on the intermediate frame 131.
  • a belt cover body 183 is stretched on the left side of the engine 7 on which the threshing drive belt 59, the front travel output belt 67a, the rear travel output belt 67b, and the fan drive belt 84 are disposed.
  • the upper surface wall portion of the belt cover body 183 extends in the front-rear direction along the upper surface side of each of the belts 59, 67a, 67b, 84.
  • a threshing drive belt 59 that erects an engine side plate 146 on the front side of the side plate support frame 145 and extends in the front-rear direction on the left side of the engine 7, a front travel output belt 67a, a rear travel output belt 67b, a fan
  • the upper surface side and the left side surface side of each of the drive belts 84 are closed by the left side wall portion and the upper surface wall portion of the engine side plate body 146 and the belt cover body 183, and are covered by the engine side plate body 146 and the belt cover body 183.
  • the outside air in the installation spaces of the belts 59, 67 a, 67 b, 84 is configured to be supplied to the oil cooler 217 via the cooling cooler fan 218.
  • the engine side plate 146 and the engine side plate 146 are separated from a place where relatively less dust is present in the opening on the lower surface side of the engine side plate 146 and the belt cover body 183 (near the upper body frame 1b installation portion or the engine 7 placement portion). Outside air is sucked into the space covered by the belt cover body 183, and the outside air inside the space can be supplied to the oil cooler 217 by the cooling cooler fan 218. Therefore, air with relatively little dust such as soot can be supplied to the oil cooler 217 as cooling air.
  • the cooler case body 412 is fixed to the machine outer surface of the side plate support frame 145 via the case bracket body 411, and the oil cooler 217 and the cooling cooler fan 218 are attached to the cooler case body 412. It is installed internally.
  • the pair of upper and lower case bracket bodies 411 has a front end fixed to an upper end of the side plate support frame 145 and a lower middle portion, and extends rearward.
  • the upper and lower edges of the cooler case body 412 are fixed to each of the pair of upper and lower case bracket bodies 411, so that the cooler case body 412 is disposed behind the support frame body 39 and on the inner side of the saddle receiving arm body 39a.
  • the A cooling air intake opening 451 provided on the left side surface (outer side surface) of the cooler case body 412 is connected to a polygonal box type (triangular box type) cooling air intake duct body (suction duct) 452.
  • outside air is sucked into the cooler case body 412 from the cooling air intake duct body 452 installed in a place where there is relatively little soot under the air path forming duct body 10, and taken into the cooler case body 412.
  • the outside air can be supplied to the oil cooler 217 by the cooling cooler fan 218. Therefore, air with relatively little dust such as soot can be supplied to the oil cooler 217 as cooling air.
  • the oil cooler 217 can be supported with high rigidity by using the side plate support frame 145 without specially installing a support member for the oil cooler 217, and the number of parts to be attached to the oil cooler 217 can be reduced to achieve a low cost. .
  • the structure is provided with pulleys 133 and 134 and belts 67a and 67b for transmitting the power of the engine 7 to the hydraulic continuously variable transmission 64, and is provided at the machine outer end of the intermediate shaft 132 on which the pulleys 133 and 134 are pivotally supported.
  • a cooling cooler fan 218 is provided, and an oil cooler 217 is disposed on the outer side of the cooling cooler fan 218. Therefore, the oil cooler 217 can be brought close to the hydraulic continuously variable transmission 64 at the top of the transmission case 63 and can be compactly supported, and air with less dust behind the engine 7 can be supplied to the oil cooler 217 as cooling air.
  • the transmission case 1 is disposed on the traveling machine body 1 behind the engine 7, the intermediate shaft 132 is provided on the transmission path between the engine 7 and the hydraulic continuously variable transmission 64 of the transmission case 63, and the intermediate shaft 132 is disposed in the lateral direction of the traveling machine body 1.
  • the cooling cooler fan 218 is attached to the intermediate shaft 132, and the cooling cooler fan 218 is disposed on the opposite side of the steering column 41 with the transmission case 63 interposed therebetween. Therefore, the hydraulic continuously variable transmission 64, the oil cooler 217, and the cooling cooler fan 218 are provided, and a driving unit (crawler belt 2) driving structure with high driving performance can be easily configured, but a small and lightweight combining is easy. Can be configured.
  • the threshing portion 9 is mounted on the upper surface of the traveling machine body 1 in a horizontal orientation directed in the left-right direction, and the engine 7 and the heel receiving portion 6 can be arranged behind the threshing portion 9 and the heel receiving portion is disposed on the left and right rear portions on the rear side of the engine 7. 6 and the steering column 41 can be juxtaposed.
  • the cooling air intake duct body (suction duct) 452 has a triangular box type duct main body housing 453. That is, the duct main body housing 453 has a shape close to a triangular prism having a substantially triangular front and rear surface having an inclined left side surface (left inclined surface) 455.
  • the duct body housing 453 is detachably fixed to the outer side surface (left side surface) of the cooler case body 412, and the dust removal wind on the right side surface of the duct body housing 453 is inserted into the cooling air intake opening 451 of the cooler case body 412.
  • the outlet 454 is in communication.
  • the duct main body housing 453 opens outside air intakes 456 to 458 each having a dustproof net stretched in three directions of the bottom surface and the front and rear surfaces.
  • the duct main body housing 453 is installed between the rod receiving base 38 and the column frame body 39, and the outside air intake port 456 on the bottom surface is positioned above the front bent portion of the rod receiving base 38. Accordingly, it is possible to prevent soot or the like that has been spilled on the saddle receiving base 38 from being sucked into the duct body housing 453 through the outside air intake port 456 on the bottom surface. Further, by providing the outside air intake ports 457 and 458 on the front and rear surfaces of the duct body housing 453, it becomes easier to take outside air into the duct body housing 453, so that the cooling effect in the oil cooler 217 can be improved.
  • the left inclined surface 455 of the duct main body housing 453 is configured by an inclined surface inclined downward toward the outer side (left side) of the duct body housing 453, and a rod receiving arm body 39a having one end fixed to the support frame body 39 is provided. It is arranged above the left inclined surface 455. That is, a space is formed above the left inclined surface 455 of the duct body housing 453, and the eaves receiving arm body 39a is spaced from the left inclined surface 455 of the duct body housing 453.
  • the bag receiving arm body 39a extends rearward from the column frame body 39, and has a bag bag fixing part 39b configured to have a convex shape with its rear end bent upward, and the bag bag fixing part 39b is provided with a concave bent portion 39c configured to be concave by bending the front side downward, and a spare bag placement portion 39d provided in front of the concave bent portion 39c.
  • the plurality of bag bags 37 including the spare bag bag 37 are suspended by passing the bag ports through the two bag receiving arm bodies 39a. Then, with the single bag 37 into which the grains are put, the bag mouth is mounted on the bag input 19a in a state where it is hung on the bag fixing portion 39b adjacent to the bag input 19a of the filling hopper 19.
  • the empty empty bag 37 serving as a spare is hung on the concave bent portion 39c, the spare bag placing portion 39d, and the like, so that the space with the left inclined surface 455 of the duct main body housing 453 below the rod receiving arm body 39a. It hangs down. Accordingly, the outside air intake ports 456 to 458 of the duct body housing 453 are not blocked by the empty bag 37, and the outside air is taken into the duct body housing 453, and the cooling effect in the oil cooler 217 can be maintained. In addition, by disposing the front surface of the duct main body housing 453 behind the support frame body 39, the empty bag 37 does not hang down in front of the duct main body housing 453.
  • the concave bent portion 39c is provided between the bag bag fixing portion 39b and the spare bag bag arranging portion 39d, so that the operator can use the spare bag bag 39d for the spare bag bag arranging portion 39d.
  • the bag 37 can be easily moved to the bag fixing part 39b, and the bag 37 can be easily attached to the bag loading port 19a of the filling hopper 19.
  • a concave bent portion 39c is provided in front of the bag bag fixing portion 39b, so that the bag bag 37 is attached to the bag loading port 19a of the filling hopper 19 in the bag bag fixing portion 39b. At this time, the spare bag bag 37 can be prevented from moving to the bag bag fixing portion 39b.
  • An oil cooler 217 for cooling the hydraulic oil of the hydraulic continuously variable transmission 64 is installed on the outer side of the cooling cooler fan 218, and a cooling air intake duct body (suction duct) 452 is opposite to the cooling cooler fan 218 of the oil cooler 217. Covered by.
  • the cooling air intake duct body 452 has a triangular shape with at least a lower surface opened and an inclined upper surface, and is disposed below the air path forming duct body 10 (selecting portion).
  • the cooling air intake duct body 452 has the lower surface of the duct body housing 453 opened to form the outside air intake port 456, so that the suction of dust and dust falling from above is small, and the cooling effect in the oil cooler 217 is achieved. Can be maintained. Further, the cooling air intake duct body 452 has a left inclined surface 455 in which the upper surface of the duct main body housing 453 is inclined, so that a space can be provided above the cooling air intake duct body 452. 37 storage locations can be configured. Further, even if the space above the cooling air intake duct body 452 is used as a storage space, the outside air intake port 456 on the lower surface of the duct body housing 453 is not blocked, so that the oil cooler The cooling effect in 217 is not reduced.
  • the traveling direction of the traveling machine body 1 is the front-rear direction, and the cooling air intake duct body 452 is projected leftward (toward the outside of the machine) with respect to the oil cooler 217, and the front and rear surfaces of the cooling air intake duct body 452 are open.
  • the cooling air intake duct body 452 has the front and rear surfaces of the duct body housing 453 opened to form the outside air intake ports 457 and 458, it is possible to prevent the cooling air from being insufficient with respect to the capacity of the oil cooler 217.
  • a support frame body (support receiving column) 39 that supports the air path forming duct body 10 is erected from the traveling machine body 1, and the support arm body 39 a on which the support bag 37 is suspended is cantilevered behind the support frame body 39.
  • the cooling air intake duct body 452 is installed behind the support frame body 39 so that the inclined upper surface is positioned below the saddle receiving arm body 39a.
  • the hook receiving arm body 39a can be spaced upward from the left inclined surface 455 with the upper surface of the duct main body housing 453 inclined, so that the spare bag bag 37 that is hung and stored on the hook receiving arm body 39a. However, it does not hang down from the opening portion of the cooling air intake duct body 452. That is, the outside air intake ports 456 to 458 provided in the duct main body housing 453 are not blocked by the spare bag bag 37 or the like, and a decrease in the amount of outside air taken into the cooling air intake duct body 452 can be prevented.
  • the air duct forming duct body 10 is provided with a wind-selective meandering passage 231 that communicates with the outlet 8c of the grain discharge conveyor 8, and a filling hopper 19 that feeds the grain into the bag 37.
  • a wind-selective meandering passage 231 that communicates with the outlet 8c of the grain discharge conveyor 8, and a filling hopper 19 that feeds the grain into the bag 37.
  • the suction fan device 34 is connected to the wind selecting meandering passage 231 in front of the air path forming duct body 10.
  • a support frame body 39 and a cooling air intake duct body 452 are disposed between the dust exhaust port 222 a of the suction fan device 34 and the soot inlet 19 a of the filling hopper 19.
  • the support frame body 39 is disposed between the dust exhaust port 222a of the suction fan device 34 and the cooling air intake duct body 452, the support frame body 39 in front of the cooling air intake duct body 452 becomes an obstacle, and the suction fan apparatus It is possible to take outside air with less soot and dust discharged from the cooling air intake duct body 452. Further, since the cooling air intake duct body 452 is installed in front of the soot inlet 19a of the filling hopper 19, the soot bag 37 attached to the soot inlet 19a becomes an obstacle and is taken into the cooling air intake duct body 452. The amount of soot contained in the outside air can be suppressed.
  • the cooling air intake duct body 452 is such that the bottom machine inner end (right end) of the cooling air intake duct body 452 is positioned on the inner side (right side) of the dust exhaust port 222a of the suction fan device 34. Accordingly, since dust and the like are discharged from the dust outlet 222a of the suction fan device 34 to the outside of the machine, the cooling air intake duct body 452 is disposed in a space where there is less dust and dust, and the cooling air intake duct It is possible to reduce the amount of soot and soot attached to the dust nets of the outside air intake ports 456 to 458 provided in the body 452.
  • the cooling air intake duct body 452 is configured to be detachable from the cooler case body 412.
  • the cooling air intake duct body 452 has an insertion hole 460 into which a screw portion 459 projecting from the upper surface of the cooler case body 412 is inserted, on the right edge side of the upper surface of the duct body housing 453, and the bottom surface of the cooler case body 412.
  • a locking hole 462 into which a locking protrusion 461 projecting further upward is inserted is formed on the right edge side of the bottom surface of the duct main body housing 453.
  • the cooling air intake duct body 452 has an insertion hole 460 and a locking hole 462 into which the threaded portion 459 and the locking projection 461 are inserted at the upper and lower positions of the dust removing air outlet 454 in the duct body housing 453.
  • the cooling air intake duct body 452 has a female part 459 protruding from the upper surface of the duct body housing 453 with the screw part 459 and the locking projection 461 of the cooler case body 412 inserted into the insertion hole 460 and the locking hole 462.
  • the screw (wing screw) 463 By fastening the screw (wing screw) 463, the cooler case body 412 is detachably fixed to the left side surface.
  • the duct body housing 453 has a structure having a left inclined surface 455 that is inclined downward toward the left side, a sufficient space is formed above the cooling air intake duct body 452. It becomes easy to attach and detach. Therefore, the cooling air intake duct body 452 can be easily attached to and detached from the cooler case body 412 and the maintainability around the oil cooler 217 is improved.
  • the hook receiving base 38 is arranged at the rear part of the left crawler belt 2, and the hook insertion port 19a of the filling hopper 19 is arranged above the hook receiving base 38.
  • a bag 37 is attached and the bag 37 is filled with bag.
  • the straw bag 37 filled with straw is dropped onto the field, and empty straw bags 37 are sequentially attached to the straw input port 19a, and are continuously carried out from the grain discharge conveyor 8 through the air duct forming duct body 10.
  • a plurality of koji bags 37 can be filled with koji (grain).
  • the handling cylinder 21 is separated from the cylinder frame 21a by four round pipes arranged on the same circumference and the cylinder frame 21a at equal intervals. It has a large number of V-shaped teeth 21b that are erected in an orientation, and a dust exhaust blade plate 21c that is erected on the outer peripheral surface of the right end of the trunk frame 21a that faces the dust outlet 23. Both end portions of each barrel frame 21a are fixed to the outer periphery of the disc-shaped left and right side plate bodies 21d of the handle barrel 21, and both V-shaped end portions of the handle teeth 21b are fixed to the barrel frame 21a by welding.
  • a cross-section end face installed in parallel in the left-right direction on the front upper surface side of the traveling machine body 1 is provided with a front frame body 121 having an inverted V shape (a bowl shape) and a cross-section end face having an L-shaped rear frame body 122.
  • a support frame in which a front frame body 121 having an inverted V-shaped cross section (weld shape) is welded and fixed to the front end portion of the lower body frame 1a (running body 1) and the front end portion of the upper body frame 1b is integrally connected.
  • a rear frame 122 having an L-shaped cross-section is welded and fixed to the upper end of the frame 1c (the traveling machine body 1).
  • the prop frame 1c at the front part of the traveling machine body 1 extends above the upper machine body frame 1b, and the rear frame body 122 is arranged above the upper machine body frame 1b.
  • the lower end of the left and right threshing mounts 128 are welded and fixed to the front end portion of the lower body frame 1a, and the lower surface of the front frame body 121 is welded and fixed to the upper ends of the left and right threshing mounts 128.
  • a lifting hydraulic cylinder 4 is attached.
  • the threshing mount 128 is formed shorter than the support frame 1c, and the support height of the rear frame body 122 is higher than the support height of the front frame body 121.
  • a front frame 121 having an inverted V-shaped ( ⁇ -shaped) front frame 121 and a front horizontal frame 123 having an inverted V-shaped ( ⁇ -shaped) sectional end surface is detachably combined from above.
  • the front horizontal frame body 123 is detachably fastened to the body 121 with a bolt 125
  • the rear cross frame end surface is attached to the rear frame body 122 and the rear horizontal frame body 124 is attached to and detached from the upper side.
  • the rear lateral frame body 124 is fastened to the rear frame body 122 with bolts 126.
  • the reverse V-shaped bottom surface portion (front horizontal cross frame 123) of the threshing portion 9 is fixed to the front frame body 121 whose cross-section end surface is reverse V-shaped, and the rear frame body 122 whose cross-section end surface is L-shaped.
  • the L-shaped rear part (rear horizontal frame body 124) at the rear part of the threshing part 9 is fixed to the front frame body 121 and the rear frame body 122 so that the bottom side of the threshing part 9 is detachable from above.
  • the grain extraction conveyor 36 is disposed on the grain extraction basket 25 at the bottom of the threshing section 9, and the front frame body 121 is joined to the outer surface of the grain extraction basket 25 via the front horizontal frame 123. I support it.
  • FIGS. 21 to 27 the structure of the air duct forming duct body 10 (grain selecting section) and the suction fan device 34 for selecting grains will be described.
  • a fan case 29 is detachably fixed to the front side of the column frame body 39 via a pair of left and right suction fan support brackets 221, and the suction fan device is attached to the front side of the column frame body 39.
  • 34 is supported.
  • the air passage forming duct body 10 is detachably fixed to the rear upper end portion of the support frame body 39 via the duct body mounting base 223, and the grain discharge conveyor 8 feed end point is fed to the sorting inlet 10a of the air passage forming duct body 10.
  • the discharge port 8c is bonded and fixed.
  • a wind selection meandering passage 231 is formed inside the air passage forming duct body 10, and a filling hopper 19 is provided on the outlet side of the wind selection meandering passage 231 to feed grains into the straw bag 37 of the straw receiving portion 6.
  • the filling hopper 19 is configured to communicate with the dispensing port 8 c of the grain discharge conveyor 8 through the selection meandering passage 231.
  • the filling hopper 19 is joined and fixed to the sorting outlet 10b of the air passage forming duct body 10, and the air passage forming duct body 10 and the filling hopper 19 are connected in an inverted V shape to the feed terminal of the grain discharge conveyor 8.
  • a suction fan device 34 is provided below the inverted V-shaped connecting portion of the grain discharge conveyor 8 and the air passage forming duct body 10.
  • a suction fan device 34 is provided in the vicinity of the feed end portion of the grain discharge conveyor 8 and the connection portion of the air passage forming duct body 10, and the grains taken out via the grain discharge conveyor 8 are sucked by the suction fan device 34. It is configured to wind-select.
  • a dust collection duct 222 is provided on the exhaust side of the fan case 29, the dust collection duct 222 is extended downward from the fan case 29, and the sorting dust outlet 222 a on the lower end side of the classification dust discharge duct 222 is connected to the traveling machine body 1. Open toward the left side.
  • left and right suction ducts 224 are disposed on the left and right sides of the fan case 29 in the suction fan device 34, and the dust collection duct 225 is joined and fixed to the dust suction side of the left and right suction ducts 224.
  • the engine 7 is mounted on the rear side of the threshing portion 9 in the horizontal position where the handling cylinder 21 is supported sideways, and the suction fan device 34 is juxtaposed on the left side of the engine 7, and the front, rear, and rear height grains.
  • the dust collection duct 225 is arranged along the lower surface side of the grain discharge conveyor 8 feed terminal, and the dust collection duct 225 is extended from the left and right suction ducts 224 along the lower surface side of the grain discharge conveyor 8 to collect the dust.
  • the left and right suction ducts 224 are communicated with the dust suction port 10c of the air path forming duct body 10 via the duct 225, and the left and right width dimensions of the air path forming duct body 10 are formed larger than the left and right width dimensions of the grain discharge conveyor 8.
  • the suction fan device 34 for sucking and discharging dust is disposed at the connecting portion between the grain discharge conveyor 8 and the air passage forming duct body 10, and the dust of the suction fan device 34 is placed in the dust suction port 10 c of the meandering passage 231 for wind selection.
  • Suction side It is configured so as to communicate the suction side) of the dust duct 225.
  • a wind selection outside air intake port 10d is formed above the selection outlet 10b of the wind selection meandering passage 231 and a suction control valve 232 is attached to the suction side (dust suction port 10c) of the dust collection duct 225.
  • a suction amount adjusting port 233 is opened on the suction side upper surface of the dust collection duct 225.
  • the suction amount adjustment port 233 of the dust collection duct 225 is opened and closed by a suction adjustment valve 232, and the outside air intake amount for wind selection (the dust suction force of the dust suction port 10c) taken in from the outside air intake port 10d for wind selection is adjusted. is doing.
  • a valve opening setting portion 239 of the suction adjustment valve 232 is installed on the inner side surface (right side surface) of the dust collection duct 225. By rotating the valve opening setting portion 239, the suction adjustment valve 232 is rotated. The suction amount adjusting port 233 is opened and closed.
  • the degree setting unit 239 can be operated, and the adjustment of the dust suction force in the dust collection duct 225 (the wind selection outside air intake amount taken in from the wind selection outside air intake port 10d) is facilitated.
  • a suction fan device 34 is provided in the vicinity of the connecting portion of the feed end portion of the grain discharge conveyor 8 and the air passage formation duct body 10 for forming the sorting air passage.
  • the left and right suction ducts 224 are arranged on both sides of the fan case 29 in the suction fan device 34, and the left and right suction ducts 224 are communicated with the dust suction port 10 c of the air passage forming duct body 10.
  • the suction fan device 34 can be utilized as a support member for the connecting portion between the grain discharge conveyor 8 and the air passage forming duct body 10, while ensuring the connection strength between the grain discharge conveyor 8 and the air passage forming duct body 10,
  • the connection structure of the grain discharge conveyor 8 and the air passage forming duct body 10 or the attachment structure of the suction fan device 34 can be simplified.
  • the suction width of the left and right suction ducts 224 can be easily increased according to the left and right widths of the air passage forming duct body 10, and the sorting loss can be reduced by preventing erroneous suction of grains and the like.
  • the sorting width of the body 10 can be easily secured and the sorting function can be improved.
  • the air passage forming duct body 10 is connected in an inverted V shape to the feed end portion of the grain discharge conveyor 8, and the suction fan device 34 is disposed below the reverse V shape connecting portion of the grain discharge conveyor 8 and the air path forming duct body 10. Is provided. Therefore, the front-rear and rear-height grain discharge conveyor 8 is connected to the air channel forming duct body 10 in an inverted V shape so that the front and rear width dimensions of the grain discharge conveyor 8 and the air path forming duct body 10 can be made compact.
  • the sorting air passage can be formed long to improve the sorting accuracy, and the suction fan device 34 can be compactly installed below the connecting portion between the grain discharge conveyor 8 and the air passage forming duct body 10.
  • the connection structure of the grain discharge conveyor 8 and the air path forming duct body 10 can be simplified while securing the connection strength of the grain discharge conveyor 8 and the air path forming duct body 10.
  • Left and right suction ducts 224 (dust collection ducts 225) are extended along the lower surface side of the front and rear high grain discharge conveyor 8 feed end. Therefore, the shape of the left and right suction ducts 224 can be easily adapted to the mounting position of the suction part (fan case 29) of the suction fan device 34 or the suction part (dust suction port 10c) of the air passage forming duct body 10.
  • the engine 7 is mounted on the rear side of the threshing portion 9 in the horizontal position where the handling cylinder 21 is supported in the left-right direction, and the suction fan device 34 is provided in parallel on the left side of the engine 7. Therefore, the suction fan device 34 can be installed compactly in the vicinity of the engine 7, and the suction fan device 34 can be easily driven via the high rotation output portion of the engine 7.
  • the number of components such as the drive structure of the suction fan device 34 can be easily reduced, and can be configured at low cost.
  • the comb-shaped sieving line 234 that opposes the outlet 8c (selection inlet 10a) of the grain discharge conveyor 8 and the flow direction of the grain falling from the sieving line 234 are changed inside the air duct forming duct body 10.
  • the air passage forming duct body 10 has an inlet-side flow-down plate 238 that connects the lower end of the sorting inlet 10a and the upper end of the dust suction port 10c, and a flow-down guide short plate 235 extends from the lower end of the inlet-side flow-down plate 238.
  • the sieve line 234 is configured in a comb shape in which one end of a plurality of rods is fixed to the rotation shaft 234a in the left-right direction at equal intervals, and is configured to be swingable in the front-rear (vertical) direction about the rotation shaft 234a.
  • the inclination angle with respect to the sorting inlet 10a is set.
  • the sloping lower end side of the flow guide short plate 235 is directed to the upper surface side of the flow guide long plate 236, the slant lower end side of the flow guide long plate 236 is directed to the upper surface side of the grain sorting flow plate 237, and the grain sorting flow
  • a dust suction port 10c is formed on the inclined upper end side of the plate 237, and the filling hopper 19 is connected to the inclined lower end side of the grain sorting flow-down plate 237 via the sorting outlet 10b.
  • a wind-meandering meandering passage 231 is formed by the plates 235 to 238 and the sieve line 234.
  • a sieving line 234 is provided so as to face the discharge port 8 c of the grain discharge conveyor 8, and a dust suction port 10 c is formed facing the wind selection outlet side of the sieving line 234, and the discharge port 8 c of the grain discharge conveyor 8 is formed. Then, the meandering passage 231 for wind selection is communicated through the sieving line 234, and the lump of grain and swarf sent from the dispensing port 8c of the grain discharge conveyor 8 is decomposed.
  • the sorting wind is taken in from the outside air intake 10d for wind selection to the lower inclined side of the grain sorting flow plate 237, and the selected wind is sucked into the suction fan device 34 from the dust suction port 10c on the upper tilt side of the grain sorting flow plate 237. It is. Thereby, the sawdust or dust falling on the grain sorting flow-down plate 237 is discharged to the suction fan device 34 side, and the grain falling on the grain sorting flow-down plate 237 flows down to the filling hopper 19 side.
  • the sieving line 234 is configured so that an inclination angle can be set around the rotation shaft 234a located at the upper end, and is substantially parallel to the opening surface of the discharge port 8c from an inclination angle substantially parallel to the flow guide long plate 236. It is possible to incline in the range of inclination angles. That is, when the lower end of the sieving line 234 is moved to the outlet 8c side, the lower end of the sieving line 234 moves away from the upper surface of the flow guide long plate 236 and approaches the flow guide short plate 235, and the inclination angle of the screen line 234 Transitions to an angle parallel to the long guide plate 236.
  • the lower end of the sieving wire 234 moves toward the flow guide long plate 236, the lower end of the sieving wire 234 moves away from the lower end of the flow guide short plate 235 and approaches the upper surface of the flow guide long plate 236, and the sieving wire 234.
  • the angle of inclination changes to an angle that is perpendicular to the traveling machine body 2.
  • the resistance due to increases That is, when the grain dropped from the outlet 8c and the swarf are dry, the grain is likely to collide with the sieving line 234 by inclining the sieving line 234, compared with the swarf or dust. Heavy kernels are repelled by sieving lines 234 to separate the kernels from dust or dust.
  • the resistance due to 234 is reduced.
  • the collision rate of the swarf and dust to the sieving line 234 is set up vertically. Not only becomes low, but also falls easily from the sieve wire 234. For this reason, it is possible to prevent the swarf and dust from staying by being caught on the sieve line 234, and to efficiently separate the swarf or dust and the grain.
  • An angle setting unit 240 that sets an inclination angle of the sieving line 234 is installed on the inner surface (right side) of the air passage forming duct body 10, and the sieving line 234 is rotated by rotating the angle setting unit 240.
  • the tilt angle of the sieving line 234 is changed.
  • the air duct forming duct body 10 has an upper viewing window 241 and a lower viewing window 242 that allow the inside of the wind-selective meandering path 231 to be visually recognized from the outside, and the upper viewing window 241 and the lower viewing window 242
  • An in-machine side surface (right side surface) of the path forming duct body 10 is provided.
  • the upper viewing window 241 is configured to be along the flow guide long plate 236 above the flow guide long plate 236. That is, the upper viewing window 241 is configured to be parallel to the upper surface of the flow guide long plate 236 from the position between the lower end of the flow guide short plate 235 and the flow guide long plate 236 obliquely upward. Yes. Thereby, the operator or the work assistant can confirm the separated state of the grains and the sawdust dropped from the dispensing port 8c while confirming the lower end position of the sieve line 234 through the upper viewing window 241.
  • the operator or the work assistant operates the angle setting unit 240 while checking the presence or absence of scum or the like in the sieve line 234 through the upper viewing window 241, thereby setting the sieve line 234 to the optimum inclination angle. Can be adjusted.
  • the lower viewing window 242 is configured to be along the grain sorting flow plate 237 below the flow guide long plate 236. That is, the lower viewing window 242 is a grain sorting flow plate 237 from the position near the dust suction port 10c of the air passage forming duct body 10 below the lower end of the flow guide short plate 235 toward the sorting outlet 10b obliquely below. It is configured to be parallel to the upper surface. Thereby, the operator or the operation assistant can confirm the separated state of the grain and the sawdust on the upper surface of the grain sorting flow-down plate 237 through the lower viewing window 242.
  • the operator or the operation assistant operates the valve opening setting unit 239 through the lower viewing window 242 while confirming the selection state of the grains and swarf by the selection air from the outside air intake for wind selection 10d.
  • the suction control valve 232 can be adjusted to an optimal valve opening.
  • the shutter 243 that opens and closes the straw inlet 19a is attached to the filling hopper 19.
  • the shutter 243 is connected to a shutter lever 244 provided on the inner side surface (right side surface) of the filling hopper 19, and is configured to be rotatable by operating the shutter lever 244. Therefore, the auxiliary worker prohibits the discharge of the soot from the soot insertion port 19a with the shutter 243 closed by the shutter lever 244 until the soot bag 37 is attached to the soot insertion port 19a.
  • the shutter 243 is opened by the shutter lever 244, and the bag from the bag loading port 19a is filled into the bag bag 37.
  • the shutter 243 is closed by the shutter lever 244 to prohibit the discharge of the bag from the bag loading port 19a and to replace the bag 37 attached to the bag loading port 19a. Do work. Therefore, the straw bag 37 can be easily replaced by the temporary storage function of the filling hopper 19, and the grain filling workability into the straw bag 37 can be improved.
  • a flow-down guide long plate (second flow-down guide plate) 236 that receives and flows down the grain input from the outlet 8c (selection inlet 10a) of the grain discharge conveyor 8 is part of the wind-selective meandering passage 231.
  • a sieve line 234 is installed between the outlet 8c of the grain discharge conveyor 8 and the flow guide long plate 236. The sieve line 234 is installed behind the outlet 8c. Therefore, the number of components can be reduced as compared with a structure in which a swing sorter or the like is installed, and weight reduction or cost reduction can be easily achieved, and the combine machine structure can be configured compactly.
  • the sieving line 234 it is possible to move while solving the lump of grains and dust falling into the wind-selection meandering passage 231 from the outlet 8c. By dropping the grain from the grain discharge conveyor 8 toward the sieving line 234, it is possible to efficiently separate the swarf or dust and the grain, and to easily improve the sorting performance of the grain taken out to the straw receiving part 6.
  • the sieving line 234 is configured in a comb shape and is rotatable around a rotation shaft 234a that is parallel to the opening surface of the outlet 8c of the grain discharge conveyor 8, and from the grain discharge conveyor 8
  • the resistance to the grain put into the flow guide long plate 236 can be changed.
  • the inclination angle of the sieving line 234 is optimal for the state in which the swarf or dust and the grains are easily separated depending on the state of the conveyed product Can be set. Accordingly, stable grain sorting performance can be maintained regardless of the state of the conveyed product.
  • the sieving line 234 is set up vertically so as to guide the downside of the downflow guide long plate 236 to prevent stagnation in the downflow guide long plate 236 or the sieving line 234. it can.
  • the sieve line 234 is laid so that the grain is repelled by the sieve line 234, and the grain conveyed along the flow guide long plate 236 is separated from the sawdust and the like. Easy to do.
  • An angle setting unit 240 for setting the inclination angle of the sieving line 234 is installed on the in-machine side surface of the air passage forming duct body 10 constituting the wind-selective meandering passage 231. Therefore, an operator or a work assistant can easily operate the angle setting unit 240, and it becomes easy to adjust the sorting force (resistance by the sieve line 234 against the input material) in the air passage forming duct body 10, and the grains to the straw bag 37 Filling workability can be improved.
  • the wind-selective meandering passage 231 is in front of the downflow guide long plate 236 and below the throwing-out port 8c of the grain discharge conveyor 8 and is a dust suction port (dust outlet) 10c communicating with the dust collection duct 225.
  • an air intake port 10d for wind selection is provided at a position behind the long flow guide long plate 236 and above the selection outlet 10b of the wind selection meander passage 231, and is sucked into the dust suction port 10c.
  • a suction control valve 232 that adjusts the amount is rotatably provided in the dust collection duct 225, and a valve opening setting unit 239 that controls opening and closing of the suction control valve 232 is a steering column (control unit) in the dust collection duct 225.
  • Viewing windows 241 and 242 that allow the inside of the wind selection meander passage 231 to be visually recognized are disposed between the outlet 8c of the grain discharge conveyor 8 and the flow guide long plate 236, and the flow guide long plate 236 and the wind selection. It is installed between the meandering passage 231 and the sorting outlet 10b. Since the operator or the operation assistant can easily visually recognize the inside of the wind selection meandering passage 231, the valve opening degree of the suction control valve 232 and the inclination angle of the sieve line 234 are optimized according to the state in the wind selection meandering passage 231. It can adjust to a state and can improve the grain filling workability
  • An air passage forming duct body 10 is provided in which a wind selection meandering passage 231 is formed, and the left and right width dimensions of the air passage forming duct body 10 are made larger than the left and right width dimensions of the grain discharge conveyor 8, and the wind of the sieving line 234
  • a dust suction port 10c is formed so as to face the selection outlet side. Therefore, the dust suction port 10c is made to face the upper flow side of the grain flowing down the wind selection meander passage 231 to efficiently remove the dust or dust from the upper flow side of the grain, and the downstream side of the wind selection meander passage 231 It is possible to reduce the amount of dust or dust scattered at the grain filling place (the place where the bag is placed).
  • a filling hopper 19 for charging the grain into the straw bag 37 of the basket receiving portion 6 is provided on the outlet side of the wind-selective meandering passage 231, and is provided to the outlet 8 c of the grain discharge conveyor 8 via the wind-selective meandering passage 231.
  • the filling hopper 19 is configured to communicate with each other. Therefore, the bag 37 can be easily replaced by the temporary storage function of the filling hopper 19.
  • An air intake port 10d for wind selection can be easily formed on the outlet side of the meandering passage 231 for wind selection, the amount of air intake for wind selection sucked from the bag mounting portion of the filling hopper 19 can be reduced, and the grains to the bag 37 Filling workability can be improved.
  • An air passage forming duct body 10 in which a wind selection meandering passage 231 is formed is provided, and a suction fan device 34 for sucking and discharging dust is arranged at a connecting portion between the grain discharge conveyor 8 and the air passage forming duct body 10, and the wind selection meandering passage
  • the dust suction port 10c of 231 is configured to communicate with the dust suction side of the suction fan device 34. Therefore, the front-rear and rear-high grain discharge conveyor 8 can be connected to the air channel forming duct body 10 in an inverted V shape so that the front and rear width dimensions of the grain discharge conveyor 8 and the air path forming duct body 10 can be made compact.
  • the suction fan device 34 can be compactly installed below the inverted V-shaped connecting portion of the grain discharge conveyor 8 and the air passage forming duct body 10.
  • the cooler case body 412 is fixed to the side plate support frame 145 via the case bracket body 411, and the oil cooler 217 and the cooling cooler fan 218 are provided inside the cooler case body 412.
  • an intermediate shaft 132 is provided in a transmission path between the engine 7 and the hydraulic continuously variable transmission 64, and an oil cooler 217 and a cooling cooler fan 218 for cooling the hydraulic oil of the hydraulic continuously variable transmission 64 are disposed in the vicinity of the intermediate shaft 132. It is installed.
  • the front surface of the mission case 63 is fixed to the right side of the center of the left and right width of the traveling machine body 1 (upper body frame 1b) via the mission bracket body 413, and the mission case 63 is disposed at the rear part of the traveling machine body 1.
  • a cooling cooler fan 218 is provided at the outer end portion of the intermediate shaft 132, an oil cooler 217 is disposed on the outer side of the cooling cooler fan 218, and the oil cooler 217 is brought close to the hydraulic continuously variable transmission 64 on the left side of the transmission case 63. It is configured to be supported.
  • the threshing unit 9 is mounted on the upper surface of the traveling machine body 1 in a horizontal orientation directed in the left-right direction, the engine 7 and the hydraulic oil tank 55 are juxtaposed behind the threshing unit 9, and the left and right rear portions on the rear side of the engine 7.
  • the rod receiving part 6 and the control column 41 are arranged side by side.
  • the hydraulic continuously variable transmission 64 and the valve block body 414 are provided side by side on the mission case 63, and the lift valve 213 and the like are provided in the valve block body 414 on the right side of the mission case 63.
  • a cooling cooler fan 218 is disposed on the opposite side of the control column 41 across the transmission case 63, and a traveling unit drive structure with high traveling performance is provided in which the hydraulic continuously variable transmission 64, the oil cooler 217, and the cooling cooler fan 218 are arranged. To do.
  • a tank mounting base 421 is integrally fixed at a rearward position of the bearing mounting base 416 on the right side extending portion of the upper body frame 1b, and a tank bracket body 422 is attached to each of the tank mounting base 421 and the bearing mounting base 416.
  • the lower part of the hydraulic oil tank 55 is fixed through the gap.
  • the lower part of the hydraulic oil tank 55 is fastened and fixed on the upper body frame 1b via the tank bracket body 422, and the hydraulic oil tank 55 is attached so as to stand on the upper body frame 1b.
  • the size of the hydraulic oil tank 55 is not limited, and the hydraulic oil tank 55 is installed in a place that is easily accessible at a position outside the engine 7.
  • the threshing section 9 is mounted on the upper surface of the traveling machine body 1 in a horizontal orientation toward the left and right direction, and the engine 7 and the hydraulic oil tank 55 are mounted side by side on the rear position of the threshing section 9 on the upper surface of the traveling machine body 1. Yes. That is, the engine 7 is mounted on the upper surface of the upper body frame 1b, the front end side of the lower body frame 1a extends forward from the front end side of the upper body frame 1b, and the front frame body is formed on the upper surface of the front end side of the lower body frame 1a.
  • the threshing unit 9 is placed via 121.
  • the hydraulic oil tank 55 is placed on the upper body frame 1b so as to be juxtaposed with the engine 7 behind the threshing portion 9, and the engine output shaft 65 is projected from one side surface (left side surface) of the engine 7.
  • a hydraulic oil tank 55 is disposed to face the other side surface (right side surface) of the engine 7.
  • the combiner body can be configured in a compact manner by bringing the engine 7 close behind the threshing portion 9 in the horizontal position, and the large-capacity hydraulic oil tank 55 can be supported at a position that is easily accessible from the outside of the right side of the engine 7. . Therefore, the hydraulic oil tank 55 can be mounted on the combine that has been reduced in size and weight without limiting the capacity of the hydraulic oil tank 55, and the oil supply work and maintenance work to the hydraulic oil tank 55 are facilitated.
  • the hydraulic oil tank 55, the battery 56, and the cooling air intake duct body 321 are installed on the opposite side of the engine output shaft 65 protruding from the engine 7, so that a drive system (power transmission) connected to the engine output shaft 65 is provided.
  • the engine 7 is interposed between the hydraulic system tank 55, the hydraulic oil tank 55, the battery 56, and the cooling air intake duct body 321. Therefore, the worker can contact the hydraulic oil tank 55, the battery 56, and the cooling air without contacting the working unit drive system including the threshing drive pulley 57 and the travel unit drive system including the travel drive pulley 69.
  • the intake duct body 321 can be accessed, and safety and ease in maintenance work including refueling work and replacement work can be ensured.
  • a counter shaft 72 that transmits the power of the engine 7 to the threshing unit 9 extends in the left-right direction between the threshing unit 9 and the hydraulic oil tank 55, and one end (left end) of the counter shaft 72 is connected to the counter shaft 72 from the engine 7.
  • a countershaft pulley (input-side rotator) 58 that receives power is provided, while a countershaft sprocket (output-side rotator) 73 that outputs power to the threshing unit 9 is provided at the other end (right end) of the countershaft 72. Is provided.
  • the left end side of the counter shaft 72 is pivotally supported by a left bearing body 71a fixed on the left bearing mounting base 415 on the left edge of the upper body frame 1b, while the right end side of the counter shaft 72 extends to the right side of the upper body frame 1b. It is pivotally supported by a right bearing body 71b fixed to a right bearing mounting base 416 on the installation portion.
  • the right bearing body 71b is fixed to the right bearing mounting base 416 on the right side of the hydraulic oil tank 55, and the countershaft sprocket 73 at the right end of the countershaft 72 is disposed on the right side of the upper body frame 1b of the traveling machine body 1. .
  • the countershaft sprocket 73 is connected via a threshing drive chain 75 to a handling shaft input sprocket 74 at the right end of the handling shaft 20 in the threshing portion 9 in front of the countershaft 72.
  • the threshing / cutting drive system that receives the power from the counter shaft 72 to drive the cutting unit 3 and the handling cylinder 21 is disposed on the right side of the traveling machine body 1 as the hydraulic oil tank 55, but includes the counter shaft 72. It is arranged in front of the hydraulic oil tank 55. Therefore, the hydraulic oil tank 55, the battery 56, and the cooling air intake duct body 321 can be accessed without contacting the threshing / cutting drive system including the countershaft sprocket 73, and maintenance work including refueling work and replacement work, etc. Safety and ease can be secured.
  • a grain discharge conveyor (grain discharge unit) 8 and a hydraulic oil tank 55 are arranged on the left and right sides of the engine 7. That is, on the traveling machine body 1, the hydraulic oil tank 55 is disposed together with the battery 56 and the cooling air intake duct body 321 on the opposite side of the grain discharge conveyor 8 and the air path forming duct body (grain sorting unit) 10. Therefore, the hydraulic oil tank 55, the battery 56, and the cooling air intake duct body 321 are supported at a position that can be easily accessed from the outside of the traveling machine body 1, and maintenance work including oil supply work and replacement work becomes easy.
  • the hydraulic oil tank 55 has a configuration in which a lid 418 can be attached to and detached from a tank case 417 whose upper surface is opened.
  • Oil filters 431 and 432 are provided in the tank case 417 by a filter fixing member 419 and a filter positioning member 420. Is fixed.
  • An oil cap 424 is provided on the upper surface of the lid 418, and a drain cap 425 is provided on the lower surface of the tank case 417.
  • ports 426 to 429 connected to the hydraulic pipes 433, 434, 435, and 438 project and an oil inspection plug 430 is provided.
  • an oil cap 424 is provided on the upper surface of the hydraulic oil tank 55, and a drain cap 425 is provided on the lower surface of the hydraulic oil tank 55.
  • a maintenance work space for the hydraulic oil tank 55 is secured on the right side of the engine 7 on the opposite side of the drive system, and an opening / closing operation of the oiling cap 424 or the drain cap 425 is performed from between the threshing unit 9 and the engine 7.
  • the hydraulic oil tank 55 has a plate-like filter positioning member 420 erected from the bottom surface of the tank case 417, and a plate-like filter fixing member 419 bent in a W shape is brought into contact with the top of the filter positioning member 420.
  • the oil filters 431 and 432 are fixedly disposed in the tank case 417.
  • the fixing spring 439 between the oil filters 431 and 432 and the filter positioning member 420, the oil filters 431 and 432 are fixed in the front-rear direction by the urging force of the fixing spring 439, and the filter fixing member 419 is installed in the tank.
  • the outer peripheral surfaces of the oil filters 431 and 432 are held and fixed by the filter fixing member 419 and the filter positioning member 420.
  • the hydraulic oil tank 55 is provided on the bottom surface of a tank case 417 in which oil filters 431 and 432 are built, with a drain cap 425 biased from the right and left center to the right side.
  • the hydraulic oil tank 55 is provided with an oil inspection plug 430 on the right edge side on the upper back of the tank case 417. Therefore, the hydraulic oil tank 55 is placed on the right edge side of the upper surface of the traveling machine body 1, so that the drain cap 425 and the oil check plug 430 are disposed in the vicinity of the right edge (machine outside) of the traveling machine body 1. Therefore, it becomes easy to access the drain cap 425 and the oil check plug 430 from the outside of the machine, and the workability in maintenance work such as the work of replacing the working oil in the working oil tank 55 is improved.
  • the drain cap 425 at the bottom of the tank case 417 is disposed at a relatively high position, so that the operator is in an unreasonable posture.
  • the drain cap 425 can be opened and closed without becoming.
  • a plurality of hydraulic ports 426 to 429 serving as hydraulic oil inlets and outlets are provided on the rear surface of the tank case 417.
  • the traveling hydraulic piping 433 and 435 and the working hydraulic piping 434 connected to the plurality of hydraulic ports 426 to 429 are provided.
  • 437 is extended rearward between the lower body frame 1a and the upper body frame 1b that form the traveling body 1 in a multistage structure.
  • the lower body frame 1a and the upper body frame 1b surround the upper and lower sides of the hydraulic pipes 433 to 435 and 437, the hydraulic oil tank 55 surrounds the front side of the hydraulic pipes 433 to 435 and 437, and the hydraulic pipes 433 to 435. , 437 are protected.
  • the suction ports 428 and 429 connected to the return hydraulic pipes 435 and 437 are installed on the rear surface of the tank case 417 above the discharge ports 426 and 427 connected to the supply hydraulic pipes 433 and 434, respectively.
  • the discharge ports 426 and 427 are arranged on the left and right at the same height in the lower part of the back surface of the tank case 417, while the suction ports 428 and 429 are arranged on the left and right in the same height on the upper surface of the tank case 417.
  • the discharge ports 426 and 427 are inserted into the tank case 417 and connected to the oil filters 431 and 432, respectively.
  • the charge pump 212 is connected to the oil filter 431 inside the hydraulic oil tank 55 via the supply hydraulic pipe 433, and the work pump 215 is connected to the oil filter 432 inside the hydraulic oil tank 55 via the supply hydraulic pipe 434.
  • the hydraulic oil tank 55 is connected to the hydraulic continuously variable transmission 64 via a return hydraulic pipe 435, the oil cooler 217 is connected to the valve block body 414 via a return hydraulic pipe 436, and the hydraulic oil tank 55 is returned to the oil cooler 217. It is connected with a hydraulic pipe 437.
  • the hydraulic oil inside the hydraulic oil tank 55 is circulated and cooled to the oil cooler 217, while a maintenance work space for the hydraulic oil tank 55 is secured between the threshing unit 9 and the engine 7.
  • the pipes 433 to 437 can be connected, and maintenance such as replacement of the oil filters 431 and 432 can be easily executed.
  • the lifting hydraulic cylinder 4 is connected to the valve block 414 via the lifting hydraulic pipe 438, and the lifting hydraulic cylinder 4 is operated by the switching operation of the lifting valve 213.
  • a lid 418 detachably provided on the upper surface of the tank case 417 is disposed above the counter shaft sprocket (output-side rotator) 73, and the oil filters 431 and 432 in the tank case 417 are replaced by removing the lid 418. It is possible. By making the lid 418 on the upper surface of the hydraulic oil tank 55 arranged above the traveling machine body 1 detachable, the upper part of the hydraulic oil tank 55 can be greatly opened, and the oil filters 431 and 432 can be easily replaced. . Further, by positioning the cover 418 above the countershaft sprocket 73, not only can the contact with the drive system including the countershaft sprocket 73 be avoided during the replacement work of the oil filters 431 and 432, etc. Work can be carried out without removing the parts of the drive system from the machine body, and the workability can be improved.
  • a shielding plate 440 is provided in the tank case 417 so as to cover the lower part of the oil filling port 424a opened and closed by the oiling cap 424, and a diffusion plate 441 is provided so as to cover a part of the lower side of the shielding plate 440.
  • the shielding plate 440 has a substantially U-shaped (U-shaped) cross section having a front surface and a rear surface that are bent upward and downward. The upper edges of the front and rear surfaces of the shielding plate 440 are connected to the lower surface of the lid 418, so that the shielding plate 440 is suspended and fixed above the suction ports 428 and 429.
  • the diffusion plate 441 has a substantially L-shaped cross section with a front surface with the front side bent upward.
  • the front surface of the diffusion plate 441 is connected to the front surface of the shielding plate 440, so that the diffusion plate 441 is suspended and fixed so that the front surface faces the suction ports 428 and 429.
  • the left and right widths of the shielding plate 440 and the diffusion plate 441 are narrower than the interval between the left and right inner walls of the tank case 417 and wider than the left and right installation widths of the suction ports 428 and 429.
  • the shielding plate 440 is configured to cover the lower part of the oil filling port 424a at a height position above the suction ports 428 and 429, the return oil supplied from the suction ports 428 and 429 into the tank case 417 is filled with the oil filling port. It is possible to prevent jumping to the 424a side.
  • the lower surface of the diffusion plate 441 is configured to cover the lower side of the shielding plate 440 from the front to the middle of the rear at a position below the suction ports 428 and 429, so that the return oil from the suction ports 428 and 429 is diffused. After colliding with the front surface of the plate 441, it flows down from the left and right and the rear of the diffusion plate 441. Accordingly, since the return oil from the suction ports 428 and 429 is sufficiently stirred with respect to the hydraulic oil stored in the tank case 417 and supplied to the oil filters 431 and 432, the oil filters 431 and 432 are It becomes difficult to clog.
  • the lid portion 418 is fastened and fixed by bolts 443 so as to be detachable from a flange portion 442 provided around the upper edge of the tank case 417.
  • the lid 418 is integrally formed with the shielding plate 440 and the diffusion plate 441, the top surface of the tank case 417 is opened by accessing the tank case 417 by removing the lid 418 from the tank case 417. Since this is possible, the oil filters 431 and 432 can be replaced.
  • the filter fixing member 419 is fastened to the left and right inner walls of the tank case 417 by bolts 444, and is detachably fixed to the tank case 417.
  • the filter fixing member 419 is configured in a W shape, and a notch 449 having a step is provided in the left and right V-shaped portions.
  • the filter positioning member 420 is a plate-like member provided with a stepped portion 448 on the rear side (the discharge ports 426 and 427 side), is erected from the bottom surface of the tank case 417, and is V-shaped.
  • a fixed member receiving portion 447 having a shape is provided at the top.
  • the two filter positioning members 420 are positioned so as to face the discharge ports 426 and 427 in accordance with the number of the oil filters 431 and 432, and are installed along the front side inner wall of the tank case 417. ing.
  • the notch portion 449 of the filter fixing member 419 and the step portion 448 of the filter positioning member 420 are each configured in a stepped shape so as to spread rearward.
  • the outer peripheral surface of the oil filter 431, 432 is brought into contact with the first step on the rear side, while the fixing spring 439 is brought into contact with the second step surface on the front side. 431 and 432 and the fixing spring 439 are fixed.
  • the suction ports 446 that project from the respective tank cases 417 of the discharge ports 426 and 427 are inserted into the insertion ports 446 that protrude from the rear surfaces thereof, and the discharge ports 426 and 427 are inserted. It is linked with. Then, the rear ends of the fixing springs 439 whose front ends are in contact with the notches 449 of the filter fixing member 419 and the stepped portions 448 of the filter positioning member 420 are fitted into the recesses 450 provided on the front surfaces of the oil filters 431 and 432.
  • the oil filters 431 and 432 are fixed while being urged toward the discharge ports 426 and 427.
  • the oil filters 431 and 432 are held by the filter fixing member 419 and the filter positioning member 420 so that the front outer peripheral surfaces thereof are in contact with the notch 449 of the filter fixing member 419 and the stepped portion 448 of the filter positioning member 420 at three points. It is fixed in the state that was done.
  • the front end side of the track frame 50 is fixed to the lower left and right sides of the front part of the lower body frame 1 a of the traveling machine body 1 through the front support legs 32.
  • the rear end side of the track frame 50 is fixed to the lower left and right sides of the rear part of the lower body frame 1 a of the traveling body 1 via the rear support legs 33.
  • a plurality of track rollers 54 are pivotally supported on the outer surface of the track frame 50, and a crawler guide body 401 having a warped guide portion 401a parallel to the longitudinal direction of the track frame 50 is fixed. Further, a crawler guide body 402 having a sled-shaped guide portion 402 a parallel to the extending direction of the rear support leg 33 is fixed to the machine outer surface of the rear support leg 33.
  • the crawler guide bodies 401 and 402 can properly maintain the winding position of the crawler belt 2 around the drive sprocket 51 or the tension roller 52, prevent lateral movement of the crawler belt 2 on the rear side, and prevent the crawler belt 2 from coming off. Can be prevented.
  • the lower body frame 1a of the traveling machine body 1 is configured to extend further forward than the upper body frame 1b, and is connected to the lower end of the front column frame 1c whose upper end is connected to the front end of the upper body frame 1b. . Moreover, the lower body frame 1a makes the cross section of the frame of the left-right direction in the connection position with the front side support
  • the front support leg 32 extends obliquely downward from the connecting position of the lower body frame 1a with the front column frame 1c toward the outer side of the machine body, and is connected to the inner side surface of the track frame 50. Further, the front surface of the front support leg 32 is connected to a reinforcing frame 32a that is connected to the lower surface of the front extending portion of the lower body frame 1a, thereby increasing the support rigidity of the track frame 50.
  • the rear end portion of the lower body frame 1a of the traveling body 1 is configured to project outside the rear column frame 1c connected to the upper body frame 1b.
  • the middle part of the front surface of the rear support leg 33 is connected to the left and right ends of the rear end portion of the lower body frame 1a.
  • the rear support leg 33 is connected to the lower end of the track frame 50 and extends rearward so as to be inclined at the front, rear, and rear heights, and supports the left and right axle cases 63a on both sides of the transmission case 63 at the upper end of the rear support leg 33.
  • An axle fixing member 33a for sandwiching and fixing the axle case 63a is installed at the upper end of the rear support leg 33, and the axle case 63a can be attached and detached by opening and closing the axle fixing member 33a.
  • a crawler guide body 402 having a guide portion 402 a in a backward inclined posture similar to that of the rear support leg body 33 is fixed to the machine outer side surface of the rear support leg body 33.
  • a tension shaft body 403 that pivotally supports the tension roller 52 is installed on the front upper surface of the track frame 50 through a shaft body guide cover 404 so as to be slidable in the front-rear direction. Since the tension roller 52 is pivotally supported by the tension shaft body 403 provided on the upper surface of the track frame 50, the tension roller 52 is positioned above the track roller 54, so that the front of the crawler belt 2 to be wound is floating above the ground surface It becomes. Since the front part of the crawler belt 2 installation side can be separated from the ground contact surface, it is possible to eliminate the problem of mud accumulation in the field during harvesting work in a wetland (Fukada) where the crawler belt 2 largely sinks in the mud. In addition, it is possible to easily reduce the running resistance due to the accumulation of mud in the field and improve the wetland running ability.
  • the track roller 54 is pivotally supported at each of the front and rear end positions of the track frame 50, and the two tracks are spaced apart from the track roller 54 at the front end position in the middle of the track frame 50.
  • a roller 54 is pivotally supported.
  • the shaft guide cover 404 fixed to the upper surface of the track frame 50 extends forward from the shaft support position of the second track roller 54 from the front, and the tension shaft 403 slides inside the shaft guide cover 404. Inserted as possible.
  • a roller support portion 403a is provided at the front end of the tension shaft body 403, and a tension roller 52 is pivotally supported on the side surface of the roller support portion 403a.
  • the tension adjusting shaft 405 is slidably installed on the outer surface of the shaft body guide cover 404 via the adjusting shaft guide cover 406.
  • the adjustment shaft guide cover 406 is fixed by a tension adjustment unit fixing bracket 400 fixed on the machine outer surface of the shaft body guide cover 404.
  • the tension adjustment shaft 405 has a front end fixed to the roller support portion 403a at the front end of the tension shaft body 403 and a rear end inserted into the adjustment shaft guide cover 406.
  • the tension adjustment shaft 405 is expanded and contracted with respect to the adjustment shaft guide cover 406, and the tension shaft body 403 is expanded and contracted, whereby the tension roller 52 is moved in the front-rear direction and the tension of the crawler belt 2 is adjusted. .
  • a tension adjustment bolt 407 is inserted into the adjustment shaft guide cover 406 via a tension adjustment nut 408, and the front end of the tension adjustment bolt 407 contacts the rear end of the tension adjustment shaft 405 in the adjustment shaft guide cover 406. Yes.
  • the tension adjustment nut 408 is fixed to a guide side flange body 410 provided at the rear end of the adjustment shaft guide cover 406 and a nut side flange body 409 fastened by a bolt 470, and a tension adjustment bolt 407 is screwed. .
  • the tension adjustment bolt 407 is screwed to the tension adjustment nut 408, the tension adjustment bolt 407 is moved back and forth, and the tension shaft body 403 is moved back and forth together with the tension adjustment shaft 405. Displace in the direction.
  • the bolt 470 for fastening the nut side flange body 409 and the guide side flange body 410 has a cut groove for breaking, and the cut groove of the bolt 470 is formed at the insertion position of the nut side flange body 409. Yes.
  • the cut groove of the bolt 470 breaks and the tension of the crawler belt 2 decreases ( The tension roller 52 moves toward the rear of the machine body so as to prevent the crawler belt 2 from being damaged and broken.
  • the tension adjustment bolt 407 is screwed onto the tension adjustment nut 408 of the nut side flange body 409. Come off. Therefore, the tension is adjusted while appropriately adjusting the tension of the crawler belt 2 without changing the adjustment position of the tension adjusting bolt 407 by simply replacing the bolt 470 and fastening the nut side flange body 409 to the guide side flange body 410.
  • the damaged part of the member can be repaired smoothly.
  • the type of the engine 7 is a horizontal water-cooled four-cycle diesel engine, a fuel tank 312 having a fuel tank lid 311 is mounted on the front upper surface side of the engine 7, and a water-cooling radiator 314 having a radiator cap 313 is mounted on the rear upper surface of the engine 7.
  • the air cleaner 315 and the exhaust silencer 316 are disposed on the rear side of the engine 7.
  • a steering column 41 is disposed on the right rear side of the engine 7, an air cleaner 315 is located on the right side of the exhaust silencer 316, and a steering column 41 is located on the right side of the air cleaner 315.
  • An engine starting battery 56 is placed on the upper surface of the traveling machine body 1 in front of the steering column 41 (to the right side of the engine 7).
  • a cooling air intake opening 318 is formed in the upper right portion on the rear side of the engine 7
  • a cooling air discharge opening 319 is formed in the upper left portion on the rear side of the engine 7
  • the engine cooling fan 317 is provided in the cooling air discharge opening 319.
  • the engine cooling fan 317 is driven via the engine output shaft 65, the cooling air is taken into the water cooling radiator 314 from the cooling air intake opening 318, the warm air of the water cooling radiator 314 is discharged from the cooling air discharge opening 319,
  • the water cooling radiator 314 is configured to be cooled.
  • a polygonal box type (triangular box type) cooling air intake duct body 321 connected to the cooling air intake opening 318 of the engine 7 is provided, and the cooling air intake duct body 321 has a triangular box type duct body housing 322. That is, the duct main body housing 322 has a shape close to a triangular prism having a substantially triangular lid surface and a bottom surface with the front right side cut out.
  • the duct body housing 322 is fixed to the right side surface of the engine 7 at a position above the battery 56, and the battery 56 is disposed in front of the right front inclined surface of the duct body housing 322 in a plan view. Therefore, not only can the battery 56 be replaced and charged without removing the cooling air intake duct body 321, but also the space on the right side of the engine 7 can be widened, so that access to the engine 7, hydraulic oil piping, etc. is easy. Therefore, maintainability can be improved.
  • the left side surface of the duct body housing 322 is joined to the outside of the cooling air intake opening 318 of the engine 7, and the dust removal air outlet 324 of the duct body housing 322 is connected to the cooling air intake opening 318 on the upper right side of the engine 7.
  • the size of the cooling air intake opening 318 of the engine 7 and the size of the dust removing air outlet 324 of the duct body housing 322 are formed to be substantially equal, and the cooling air intake opening 318 and the dust removing air outlet 324 are connected.
  • outside air intakes 326 and 327 are opened in two directions, the right front inclined surface and the back surface of the duct body housing 322, respectively.
  • the upper side of the control column 41 (operating lever 43, 44, 45, 47 mounting portion) provided behind the cooling air intake duct body 321 is opposed to the outside air intake port 327 on the rear surface of the duct body housing 322. While the outside air on the right side of the airframe is taken into the duct body housing 322 from the outside air inlet 326 on the right side surface of the duct body housing 322, the outside air on the upper surface side of the steering column 41 is drawn from the outside air inlet 327 on the back surface of the duct body housing 322. It is configured to be taken into the housing 322.
  • a dust-proof net is stretched at the outside air inlets 326 and 327, and outside air after dust removal is taken into the duct body housing 322.
  • the operator behind the control column 41 can easily visually check the outside air intakes 326 and 327, and the state of attachment of the dust etc. can be easily achieved. It is configured so that it can be confirmed.
  • the opening surface of the outside air intake port 326 can be configured widely.
  • a cooling air intake duct body 321 having a polygonal box shape connected to the cooling air intake opening 318 of the engine 7 is provided.
  • the cooling air intake duct body 321 has a duct body housing 322, and the cooling air intake opening 318 of the engine 7 is provided in the cooling air intake opening 318.
  • a dust removal outlet 324 of the duct body housing 322 is connected. Therefore, the polygonal box-shaped side surface of the cooling air intake duct body 321 can be disposed opposite to the engine 7 or the steering column 41, and the engine 7 and the steering column 41 are surrounded by the engine 7 and the steering column 41 on the trimmed upper surface of the traveling machine body 1.
  • the cooling-air intake duct body 321 can be compactly supported in a place where there is little dust, such as the upper surface.
  • the steering column 41 is erected on the traveling body 1 on the right rear side of the engine 7, and a triangular box type cooling air intake duct body 321 is attached to the front side of the steering column 41 via a support frame body 325.
  • a dust removal outlet 324 on the left side of the duct body housing 322 is connected to the cooling air intake opening 318 on the upper right side. Therefore, the size of the cooling air intake opening 318 of the engine 7 and the size of the dust removal air outlet 324 of the duct body housing 322 are formed to be substantially equal, and the connection structure between the cooling air intake opening 318 and the dust removal air outlet 324 is simplified. Can be configured.
  • the cooling air intake duct body 321 can be closely supported by the cooling air intake opening 318 of the engine 7.
  • Open air intakes 326 and 327 are formed in two directions on the right side and the back side of the triangular box-shaped duct body housing 322, respectively, and a steering column 41 is provided behind the cooling air intake duct body 321.
  • An operation lever (side clutch levers 43, 44 or traveling speed change lever 45 or cutting lift lever 47) mounting portion on the upper surface side of the control column 41 is opposed to the outside air inlet 327. Therefore, the opening area of the outside air intake ports 326 and 327 can be formed larger than the dust removing air outlet 324 of the duct body housing 322, the outside air intake pressure of the outside air intake ports 326 and 327 can be reduced, and the outside air intake ports 326 and 327 are attached. Can reduce the amount of dust.
  • the steering column 41 is erected on the traveling body 1 on the right rear side of the engine 7, and a triangular box type cooling air intake duct body 321 is attached to the front side of the steering column 41 via a support frame body 325, and the steering column 41 is operated.
  • the left and right side clutch levers 43, 44, the cutting lift lever 47, and the travel speed change lever 45 are arranged in parallel in the left and right directions in order from the right side on the upper surface side of the column 41, and the operation position of the travel speed change lever 45 on the inner side of the machine body
  • the lever (the side clutch levers 43 and 44 or the cutting lift lever 47) is formed higher.
  • the traveling speed change lever 45 which is operated less frequently during the harvesting operation that moves through the field at a substantially constant speed, on the inner side of the machine body, and the side clutch levers 43, 44 and the cutting lift lever that are also operated frequently during the harvesting operation.
  • 47 can be supported on the outer side of the fuselage, so that an operator who sits on the driver seat 42 behind the control column 41 visually recognizes the position of the front trimming unit 3 near the outer side of the traveling model 1 and the trimming with the side clutch levers 43 and 44.
  • the elevating lever 47 can be operated smoothly, and driving operability can be improved.
  • the side clutch levers 43 and 44 and the cutting lift lever 47 can be easily operated from the outside of the traveling machine body 1, thereby improving the walking harvesting workability.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combines (AREA)

Abstract

La présente invention concerne une moissonneuse-batteuse munie de : une section de récolte (3) comprenant une lame de coupe (15) ; une section de battage (9) comprenant un tambour de battage (21) ; un corps de machine mobile (1) prévu avec une section mobile (2) et un moteur (7) ; et un carter de machine (63) et une transmission hydraulique continuellement variable (64) qui entraîne la section mobile (2). Une cuve d'huile hydraulique (55) qui alimente l'huile hydraulique au niveau de la transmission hydraulique continuellement variable (64) est placée au-dessus du corps de machine mobile (1) afin d'être disposée côte à côte avec le moteur (7) derrière la section de battage (9), et ladite section de battage (9) étant orientée horizontalement afin de faire face au sens gauche-droite. Un arbre de sortie du moteur (65) est prévu faisant saillie depuis une surface latérale du moteur (7) et la cuve d'huile hydraulique (55) est disposée de façon à faire face à l'autre surface latérale du moteur (7).
PCT/JP2017/024686 2016-07-19 2017-07-05 Moissonneuse-batteuse WO2018016322A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016-141869 2016-07-19
JP2016141869A JP6594830B2 (ja) 2016-07-19 2016-07-19 コンバイン
JP2016-147820 2016-07-27
JP2016147820A JP6625499B2 (ja) 2016-07-27 2016-07-27 コンバイン

Publications (1)

Publication Number Publication Date
WO2018016322A1 true WO2018016322A1 (fr) 2018-01-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/024686 WO2018016322A1 (fr) 2016-07-19 2017-07-05 Moissonneuse-batteuse

Country Status (1)

Country Link
WO (1) WO2018016322A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020106013A (ja) * 2018-12-28 2020-07-09 株式会社クボタ Ｅｇｒクーラ付エンジン

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56107916U (fr) * 1980-01-18 1981-08-21
JP2000092950A (ja) * 1998-09-25 2000-04-04 Kubota Corp コンバイン
JP2002027816A (ja) * 2000-07-14 2002-01-29 Chikusui Canycom Inc 草刈り機における刈取り装置のスライド支持機構
JP2005176638A (ja) * 2003-12-17 2005-07-07 Mitsubishi Agricult Mach Co Ltd コンバインの油圧配管構造
JP2006197940A (ja) * 2006-03-08 2006-08-03 Yanmar Agricult Equip Co Ltd 普通形コンバイン
JP2007131091A (ja) * 2005-11-09 2007-05-31 Yanmar Co Ltd 作業車両
JP2014183794A (ja) * 2013-03-25 2014-10-02 Yanmar Co Ltd コンバイン

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56107916U (fr) * 1980-01-18 1981-08-21
JP2000092950A (ja) * 1998-09-25 2000-04-04 Kubota Corp コンバイン
JP2002027816A (ja) * 2000-07-14 2002-01-29 Chikusui Canycom Inc 草刈り機における刈取り装置のスライド支持機構
JP2005176638A (ja) * 2003-12-17 2005-07-07 Mitsubishi Agricult Mach Co Ltd コンバインの油圧配管構造
JP2007131091A (ja) * 2005-11-09 2007-05-31 Yanmar Co Ltd 作業車両
JP2006197940A (ja) * 2006-03-08 2006-08-03 Yanmar Agricult Equip Co Ltd 普通形コンバイン
JP2014183794A (ja) * 2013-03-25 2014-10-02 Yanmar Co Ltd コンバイン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020106013A (ja) * 2018-12-28 2020-07-09 株式会社クボタ Ｅｇｒクーラ付エンジン
JP7092658B2 (ja) 2018-12-28 2022-06-28 株式会社クボタ Ｅｇｒクーラ付産業用エンジン

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