WO2014030612A1 - Moissonneuse-batteuse - Google Patents

Moissonneuse-batteuse Download PDF

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Publication number
WO2014030612A1
WO2014030612A1 PCT/JP2013/072101 JP2013072101W WO2014030612A1 WO 2014030612 A1 WO2014030612 A1 WO 2014030612A1 JP 2013072101 W JP2013072101 W JP 2013072101W WO 2014030612 A1 WO2014030612 A1 WO 2014030612A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
exhaust
grain storage
gas purification
threshing
Prior art date
Application number
PCT/JP2013/072101
Other languages
English (en)
Japanese (ja)
Inventor
中島竜佑
光畑友啓
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 JP2012185824A external-priority patent/JP5973286B2/ja
Priority claimed from JP2012185823A external-priority patent/JP5973285B2/ja
Priority claimed from JP2012185825A external-priority patent/JP5973287B2/ja
Application filed by ヤンマー株式会社 filed Critical ヤンマー株式会社
Priority to KR1020147029576A priority Critical patent/KR101945577B1/ko
Priority to CN201380021589.7A priority patent/CN104244700B/zh
Publication of WO2014030612A1 publication Critical patent/WO2014030612A1/fr

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Classifications

    • 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
    • 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
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/20—Off-Road Vehicles
    • B60Y2200/22—Agricultural vehicles
    • B60Y2200/222—Harvesters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/04—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives

Definitions

  • the present invention relates to a combine, in particular, a combine equipped with a diesel engine.
  • Patent Document 1 there is one disclosed in Patent Document 1 as one form of combine. That is, in Patent Document 1, a reaping part is attached to the front of the machine body, a threshing part, an operation part, and a grain storage part are arranged on the machine body, and the grains of the cereals harvested by the reaping part are threshed by the threshing part. And the combine which stored the grain threshed by the threshing part in the grain storage part is disclosed.
  • a diesel engine is mounted in an engine room formed below the operation unit, and a diesel particulate filter (hereinafter also referred to as “DPF”), which is an exhaust gas purification device, is placed on the upper surface of the diesel engine.
  • DPF diesel particulate filter
  • the exhaust gas exhausted from the diesel engine is passed through the DPF to purify the exhaust gas.
  • the DPF collects particulate matter (hereinafter also referred to as “PM”) mainly composed of black smoke in the exhaust gas discharged from the diesel engine.
  • PM particulate
  • the surface temperature of the DPF is also high.
  • the DPF placed on the upper surface of the diesel engine easily accumulates dust and the like scattered from the cereals conveyed from the harvesting unit to the threshing unit. Therefore, if dust or the like accumulates in the DPF whose surface temperature is high, there is a risk of fire.
  • the surface temperature of DPF is high, there exists a malfunction that the maintainability of DPF is inferior.
  • the present invention suppresses an excessive increase in the surface temperature of the exhaust gas purification device, reduces the accumulation of dust and the like, eliminates the risk of fire, and improves the maintainability of the exhaust gas purification device. It aims to provide a combine that can.
  • the combine which concerns on invention of Claim 1 attaches a cutting part to the front of an airframe, arranges a threshing part on one side of an airframe, and arranges an operation part and a grain storage part on the other side of an airframe back and forth. Then, the threshing part and the grain storage part are arranged adjacent to each other on the left and right, the diesel engine is arranged at the front part of the fuselage, and the exhaust gas purification device is connected to the exhaust port part of the diesel engine via the exhaust pipe
  • the exhaust gas purifying device formed by extending in the front-rear direction is arranged in a required space formed between the threshing part and the grain storage part adjacent to each other.
  • the exhaust gas purification device is formed by extending in the front-rear direction, and is disposed in the required space formed between the threshing part and the grain storage part adjacent to the left and right. That is, the exhaust gas purifying device is appropriately separated from the diesel engine and is disposed on the upper part of the airframe. Therefore, it is possible to suppress the increase in the surface temperature of the exhaust gas purification device, reduce the accumulation of dust and the like, eliminate the risk of fire, and improve the maintainability of the exhaust gas purification device. And since the exhaust gas purification device is arranged using the required space effectively, the airframe can be made compact. In addition, the engine room can be downsized by separating the exhaust gas purification device from the diesel engine.
  • the combine which concerns on invention of Claim 2 is a combine which concerns on invention of Claim 1, Comprising:
  • the whipping cylinder formed by extending up and down between the threshing part and the grain storage part can be accommodated.
  • the required space is formed, and the lower end of the milling cylinder is connected to the inner lower part of the threshing part, while the upper end of the milling cylinder is connected to the inner upper part of the grain storage part. It arrange
  • the exhaust gas purifying device in the required space that can accommodate the whipping cylinder formed between the threshing part and the grain storage part, it overlaps with the whipping cylinder in the front position of the whipping cylinder and in the front-rear direction of the fuselage. Since the exhaust gas purifying device is disposed at the position where the exhaust gas purifying is performed, the exhaust gas purifying device can be disposed in a limited space, and the airframe can be made compact.
  • the combine which concerns on invention of Claim 3 is a combine which concerns on invention of Claim 1 or 2, Comprising: Between the piping part support frame body arrange
  • a support frame body such as a device formed by extending in the front-rear direction is interposed between the piping portion support frame body disposed in the engine room and the inner wall of the threshing portion substantially horizontally.
  • An exhaust gas purification device formed by extending in the front-rear direction is placed on the equal support frame. That is, the exhaust gas purifying device is appropriately separated from the diesel engine and is disposed on the upper part of the airframe. Therefore, it is possible to suppress the increase in the surface temperature of the exhaust gas purification device, reduce the accumulation of dust and the like, eliminate the risk of fire, and improve the maintainability of the exhaust gas purification device.
  • the exhaust-gas purification apparatus has been arrange
  • the engine room can be downsized by separating the exhaust gas purification device from the diesel engine.
  • the support frame body formed by extending in the direction is installed substantially horizontally, and the exhaust gas purification device formed by extending in the front-rear direction is placed on the support frame body such as the device.
  • the exhaust gas purifying apparatus which is an object, can be firmly supported by the support frame body such as an apparatus.
  • the combine according to the invention described in claim 4 is the combine according to the invention described in claim 3, characterized in that the milling cylinder is connected to and supported by a support frame body such as a device.
  • the cereal cylinder is connected to and supported by a support frame such as a device, so that the cereal cylinder can be supported more firmly by the support frame such as the device.
  • the combine which concerns on invention of Claim 5 is a combine which concerns on invention of any one of Claim 3 or 4, Comprising:
  • the grain storage which enabled rotation to the outer side in support frame bodies, such as an apparatus The front part side of the part is locked, and the rotation of the grain storage part can be fixed.
  • the rotation of the grain storage part can be fixed.
  • the rotation of the grain storage part can be firmly fixed.
  • the support frame body such as a device is effectively used as a fixing portion that restricts the rotation of the grain storage portion, there is no need to separately provide a member that forms the fixing portion. Therefore, the manufacturing cost can be reduced accordingly.
  • the present invention has the following effects. That is, according to the present invention, an excessive increase in the surface temperature of the exhaust gas purification device is suppressed, and the accumulation of dust and the like is reduced, so that the risk of fire is eliminated and the maintainability of the exhaust gas purification device is improved. Can be improved.
  • the front view of the combine which concerns on this invention.
  • Explanatory drawing of the left side which shows the positional relationship of the diesel engine and exhaust gas purification apparatus with respect to a traveling body.
  • Explanatory drawing on the right side showing the positional relationship between the diesel engine and the exhaust gas purification device with respect to the traveling machine body.
  • Plane explanatory drawing which shows the positional relationship of the diesel engine and exhaust gas purification apparatus with respect to a traveling body.
  • Front explanatory drawing which shows the positional relationship of the diesel engine and exhaust gas purification apparatus with respect to a traveling body.
  • the back explanatory drawing which shows the positional relationship of the diesel engine and exhaust gas purification apparatus with respect to a traveling body.
  • the left rear perspective view which shows the positional relationship of a diesel engine and an exhaust-gas purification apparatus.
  • the right back perspective view which shows the positional relationship of a diesel engine and an exhaust-gas purification apparatus.
  • the back explanatory drawing of a cabin Plane explanatory drawing of an exhaust path.
  • FIGS. 1 to 4 denotes a combine as a first embodiment according to the present invention.
  • the overall configuration of the combine 1 will be schematically described with reference to FIGS. 1 to 4. That is, as shown in FIGS. 1 to 4, the combine 1 includes a traveling machine body 3 having a pair of left and right crawler-type traveling sections 2 and capable of traveling in the front-rear direction.
  • a four-cut mowing unit 4 for mowing cereals is attached so as to be adjustable up and down.
  • a threshing unit 5 for threshing the cereals harvested by the reaping unit 4 is disposed on the upper left side of the traveling machine body 3 in the forward direction.
  • a sorting unit 6 that sorts the processed product threshed by the threshing unit 5 is disposed. Behind the threshing section 5 and the sorting section 6 disposed on the left upper and lower sections, a scouring processing section 7 for processing sewage is disposed. A driving part 8 for operating each part is disposed at the front part on the right side of the traveling machine body 3 in the forward direction. A grain storage unit 9 for storing the grains selected by the selection unit 6 is disposed at the right rear portion of the traveling machine body 3. An unloading unit 10 for unloading the grains stored in the grain storage unit 9 to the outside is disposed at the right rear end of the traveling machine body 3.
  • the carry-out part 10 is formed from a vertical auger 11 which is raised from the machine body frame 15 and connected to the rear end part of the grain storage part 9 and is pivotally connected to the upper end part of the vertical auger 11 and extended forward.
  • a horizontal auger 12 is provided.
  • the vertical auger 11 is pivotally supported and connected in a rotatable manner about the axis of the vertical auger 11 extending in the vertical direction at the rear end of the grain storage unit 9.
  • position of the grain storage part 9 is made freely changeable by rotating the front part side of the grain storage part 9 centering on a rear-end part. That is, the grain storage unit 9 is freely changeable between a use posture directed forward and a non-use posture directed frontward and outward.
  • an engine room 20 is formed immediately below the second half of the operation unit 8, and the engine room 20 protrudes to a position closer to the center near the front right side of the threshing unit 5. Is formed.
  • a diesel engine 21 that drives the drive unit of each part is mounted.
  • a piping part support frame 22 is disposed so as to surround the diesel engine 21, and the intake pipe connected to the diesel engine 21 is connected to the piping part support frame 22.
  • Each midway part of the part 23 and the exhaust pipe part 24 is supported.
  • the piping part support frame 22 is formed by extending a left side support piece 25 that is extended in the vertical direction, a right side support piece 26 that is formed in a side-view portal type, and is formed by extending in the left-right direction.
  • 26 is provided with a horizontal support piece 27 that is horizontally mounted horizontally.
  • the left support piece 25 is positioned in the vicinity of the front end portion of the handling barrel frame 28 of the threshing portion 5 and is raised from the body frame 15 of the traveling body 3.
  • the right support piece 26 is erected on the body frame 15 so as to straddle the right end of the diesel engine 21.
  • the horizontal support piece 27 connects the left side to the upper front surface of the left support piece 25, and connects the right side to the upper end of the right support piece 26 via the auxiliary connection piece 29.
  • the intake pipe portion 23 includes a pre-cleaner 30, an upstream side intake pipe 31, an air cleaner 32, and a downstream side intake pipe 33, which are sequentially connected in series.
  • the downstream side intake pipe 33 is connected to an intake port 34 provided in the diesel engine 21.
  • the air cleaner 32 is attached to the right side portion of the horizontal support piece 27 via an attachment body 35.
  • the upstream intake pipe 31 is formed by rising upward from the air cleaner 32, and a pre-cleaner 30 is attached to the upper end of the upstream intake pipe 31.
  • the pre-cleaner 30 is disposed at the front upper side of the grain storage unit 9. With this configuration, outside air is taken in from the pre-cleaner 30 and purified by the air cleaner 32, and then is sucked into the diesel engine 21 from the air inlet 34.
  • the exhaust pipe section 24 includes an upstream side exhaust pipe 40, an exhaust gas purification device 41, and a downstream side exhaust pipe 42, which are sequentially connected in series.
  • the upstream exhaust pipe 40 is connected to an exhaust port 43 provided in the diesel engine 21.
  • a support frame body 44 such as a device formed by extending in the front-rear direction is interposed substantially horizontally.
  • the exhaust gas purifying device 41 is mounted on the support frame 44 such as a device.
  • the upstream side exhaust pipe 40 has one end side rising portion 45 formed by rising upward from the exhaust port portion 43 of the diesel engine 21, and an inclined extending portion 46 formed by extending from the one end side rising portion 45 rearward and upward,
  • the other end side rising portion 47 is formed to rise upward from the tip of the inclined extending portion 46 and is connected to the lower surface front portion of the exhaust gas purification device 41.
  • a bellows portion 48 for absorbing vibration is formed in the middle of the inclined extending portion 46.
  • the one end side rising portion 45 and the other end side rising portion 47 have the same rising width in the vertical direction and are arranged so as to be offset in the left and right direction, and are inclined extending portions interposed between the rising portions 45 and 47. 46 is also formed to be inclined in the left-right width direction.
  • 65 is a flange on the one end side provided on the outer peripheral surface of the lower end of the one end side rising portion 45
  • 66 is a flange on the other end side provided on the outer peripheral surface of the upper end of the other end side rising portion 47
  • ⁇ 1 is a first end side rising portion.
  • the elevation angle of the inclined extension part 46 at the upper end of 45, ⁇ 2 is the deflection angle in the left-right direction of the inclined extension part 46 at the upper end of the one-end rising part 45.
  • the upstream side exhaust pipe 40 connects the exhaust port portion 43 of the diesel engine 21 and the lower surface front portion of the exhaust gas purification device 41 at the shortest distance, and from either the front, rear, left, right, or upper direction. Vibrations can also be absorbed by the bellows 48 provided in the middle of the inclined extension 46. Further, the upstream side exhaust pipe 40 is formed point-symmetrically, and one end side rising portion 45 and the other end side rising portion 47 are provided at the exhaust port portion 43 of the diesel engine 21 and the lower surface front portion of the exhaust gas purification device 41. It is possible to connect by transferring.
  • the exhaust gas purifying device 41 is mounted on a support frame 44 such as a device, and supports a downstream exhaust pipe 42 via an exhaust pipe support piece 36 on the support frame 44 such as a device.
  • the downstream exhaust pipe 42 communicates with the downstream side of the exhaust gas purification device 41 in a non-contact state.
  • the device support frame 44 is formed by extending in the front-rear direction, and the horizontal support piece 27 of the pipe support frame 22 disposed in the engine room 20 and the threshing. Between the inner side wall (right side wall) 5a of the part 5 and at a position above the front end 197 of the second reducing cylinder, which will be described later, is interposed substantially horizontally.
  • An exhaust gas purification device 41 formed by extending in the front-rear direction is placed on the support frame 44 such as a device, and the exhaust gas purification device 41 is placed between the threshing unit 5 and the grain storage unit 9 adjacent to each other on the left and right.
  • the device support frame 44 includes a pair of left and right front and rear extension pieces 50 and 51 extending in the front and rear direction, and a front and rear horizontal piece 52 that is installed between the front, rear, and rear ends of the front and rear extension pieces 50 and 51, respectively. , 53 and the horizontal connecting piece 56 are formed in a frame shape in plan view.
  • the pair of left and right front and rear extension pieces 50 and 51 each have a front end portion attached to a pair of left and right support brackets 60 and 61 provided on the left side of the horizontal support piece 27 using round pipes extending in the front and rear direction. .
  • the front and rear horizontal pieces 52 and 53 are each formed in a lateral optic port type. Front and rear connecting pieces 54 and 55 are erected on the upper surface of each horizontal piece 52 and 53, and the exhaust gas purification device 41 is detachably mounted between the front and rear connecting pieces 54 and 55.
  • An exhaust pipe support piece 36 is installed between the rear parts of the pair of left and right front and rear extension pieces 50, 51, that is, between the rear parts positioned rearward of the rear horizontal piece 53.
  • the exhaust pipe support piece 36 is formed in an inverted T shape by a left and right extension support piece 37 and a vertical extension support piece 38.
  • the left and right extension support pieces 37 are horizontally mounted between the front and rear extension pieces 50 and 51, and the lower end portion of the upper and lower extension support pieces 38 is attached to the right side of the left and right extension support pieces 37, so that the upper and lower extension support pieces 38 are extended left and right.
  • the support piece 37 is erected upward from the support piece 37.
  • the right peripheral surface of the middle portion of the downstream exhaust pipe 42 connected to the downstream side of the exhaust gas purification device 41 is supported.
  • the exhaust gas purification device 41 and the downstream side exhaust pipe 42 are integrally disposed on the same device or the like support frame body 44 and are connected in a non-contact state so that the downstream side exhaust pipe 42 is connected.
  • the horizontal connection piece 56 is formed in a plate shape extending in the left-right direction.
  • the rear end portions of the front and rear extension pieces 50 and 51 are bent downward at a substantially right angle, and the upper surface of the horizontal connecting piece 56 is attached to the lower surface of the rear end in an erected manner.
  • a required interval holding body 57 is interposed between the right side wall 5a of the threshing part 5 and a whipping cylinder 196, which will be described later, to hold the required space S and to support the middle part of the threshing cylinder 196. .
  • the required interval holding body 57 includes a main piece 58 formed in a horizontally long rectangular box shape with an upper surface opening, and a support piece 59 such as a cereal provided at the right end of the main piece 58. It has.
  • the bottom plate of the main piece 58 is connected in a superposed state from above with a horizontal connecting piece 56 attached to the rear ends of a pair of left and right front and rear extending pieces 50 and 51 of the support frame 44 such as a device.
  • the left side wall of the main piece 58 is connected to the right side wall 5a of the threshing part 5 described later.
  • the support frame 44 such as a device is interposed substantially horizontally between the horizontal support piece 27 of the pipe support frame 22 and the inner side wall (right side wall) 5 a of the threshing unit 5.
  • a support piece 59 such as a cereal provided at the right end of the main piece 58 is attached to the right end of the main piece 58 in a protruding manner in the front-rear direction.
  • a concave receiving surface 63 is formed on the right side surface of the support piece 59 such as a cereal and comes into contact with an outer peripheral surface of a cerealing cylinder 196, which will be described later. In this way, the middle part of the whipping cylinder 196 is connected and supported.
  • the left front / rear extension piece 50 is provided with a connection bracket 62 at the front, and is connected to the upper part of the inner wall (right side wall) of the threshing part 5 via the connection bracket 62.
  • a lower end portion of a whipping cylinder 196 formed by extending in the vertical direction is connected to the inner (right side) lower portion of the threshing portion 5.
  • an upper end portion of the whipped cylinder 196 is connected to the inside (left side) upper portion of the grain storage unit 9.
  • the whipping cylinder 196 is arrange
  • a midway portion of the whipping cylinder 196 is connected to and supported by a support frame body 44 such as a device via a support piece 59 such as whipping.
  • the required space S is formed between the threshing unit 5 and the grain storage unit 9 adjacent to the left and right sides of the cereal cylinder 196 extending vertically and the right half of the processing cylinder 193 of the threshing unit 5 bulging rightward. This is the space required for placement.
  • An exhaust gas purifying device 41 formed by extending in the front-rear direction using the required space S is disposed. That is, a lower end portion of the whipping cylinder 196 formed by extending in the vertical direction is connected to the inner (right side) lower part of the threshing part 5, while the cerealing cylinder 196 is connected to the inner side (left side) upper part of the grain storage part 9.
  • the upper end part is connected, the cerealing cylinder 196 can be accommodated between the threshing part 5 and the grain storage part 9, and the right half of the processing cylinder 193 swelled rightward is accommodated A possible required space S is formed.
  • the exhaust gas purifying device 41 is disposed in front of the whipping cylinder 196 in the required space S, and is partially overlapped with the whipping cylinder 196 when viewed in the front-rear direction of the traveling machine body 3.
  • the exhaust gas purification device 41 is disposed above the processing cylinder 193.
  • a front end portion of the upstream side exhaust pipe 40 having a base end portion connected to the exhaust port portion 43 of the diesel engine 21 disposed below the operation unit 8 is connected to the front portion of the exhaust gas purification device 41, and the exhaust gas purification device.
  • a rear end portion of 41 is connected to a proximal end portion of a downstream side exhaust pipe 42 whose front end portion is open and extends rearward.
  • the exhaust gas purification device 41 is disposed at a position lower than the upper surface of the grain storage unit 9 positioned higher than the upper surface of the threshing unit 5.
  • the exhaust gas purification device 41 covers at least the upper side and the left and right sides with a heat shield 70.
  • the shield 70 is suspended downward from the rectangular upper surface portion 71 extending in the front-rear direction, the left side surface portion 72 suspended downward from the left edge portion of the upper surface portion 71, and the right edge portion of the upper surface portion 71.
  • Right side surface portion 73 is suspended downward from the rectangular upper surface portion 71 extending in the front-rear direction, the left side surface portion 72 suspended downward from the left edge portion of the upper surface portion 71, and the right edge portion of the upper surface portion 71.
  • the regeneration function of the exhaust gas purification device 41 can be satisfactorily ensured by covering at least the upper side and the left and right sides of the exhaust gas purification device 41 with the heat shield 70. That is, if the temperature of the exhaust gas passing through the exhaust gas purification device exceeds a reproducible temperature (for example, about 250 to 300 ° C.), PM deposited in the exhaust gas purification device 41 can be oxidized and removed. The PM collecting ability of the exhaust gas purification device 41 is restored. Therefore, by covering the exhaust gas purification device 41 with the heat shield 70, the recyclable temperature of the exhaust gas purification device 41 can be held firmly.
  • the heat shield 70 can prevent an operator or the like from accidentally coming into contact with the exhaust gas purification device 41 having a high temperature close to the reproducible temperature. That is, safety can be ensured satisfactorily.
  • the exhaust gas purification device 41 employs a diesel particulate filter (DPF) that collects particulate matter (PM) or the like in the exhaust gas as an example.
  • the exhaust gas purifying device 41 has a cylindrical front / rear filter case 101, 102 in series in a longitudinal direction with an axis line in a casing 100 formed in a cylindrical box shape extending in the front-rear direction by a heat-resistant metal material. Built-in.
  • a diesel oxidation catalyst 103 (for example, platinum) is accommodated in the front filter case 101, and a soot filter 104, which is a honeycomb-structured filter body, is accommodated in the rear filter case 102.
  • the soot filter 104 is arranged in series.
  • the casing 100 includes a cylindrical peripheral wall portion 105, a disc-shaped front wall portion 106 that closes the front surface of the peripheral wall portion 105, and a disc-shaped rear wall portion 107 that closes the rear surface of the peripheral wall portion 105. Is formed.
  • the front wall portion 106 is connected to the front connection piece 54 in the front-rear superposed state by a connection bolt 112.
  • the rear wall 107 is connected to the rear connecting piece 55 in the front-rear superposed state by connecting bolts 113.
  • An upstream space 108 is provided in the front portion of the peripheral wall portion 105 located on the exhaust upstream side of the diesel oxidation catalyst 103, and an exhaust inlet is formed in the front lower peripheral surface of the peripheral wall portion 105 that forms the lower side of the upstream space 108. 109 is formed.
  • the exhaust inlet 109 is connected to an upper end opening of an exhaust inlet pipe 110 that communicates with the upstream space 108.
  • An exhaust introduction pipe side flange 111 is provided on the outer periphery of the lower end opening of the exhaust introduction pipe 110.
  • the exhaust inlet pipe side flange 111 is connected to the other end side rising part side flange 66 or one end side rising part side flange 65 in a vertically superposed state. In this way, the upstream side exhaust pipe 40 can be connected to the exhaust introduction pipe 110 so that the one end side and the other end side can be freely switched.
  • An exhaust outlet 120 is formed in the center of the rear wall 107, and a front end portion of a cylindrical exhaust outlet 121 extending in the front-rear direction is connected to the exhaust outlet 120 so that the exhaust outlet 121 protrudes rearward. It has a shape.
  • the front part of the downstream side exhaust pipe 42 supported by the support frame body 44 via the exhaust pipe support piece 36 is fitted on the outer peripheral surface of the rear half part of the exhaust outlet pipe 121 with a certain interval in the radial direction. ing.
  • the downstream exhaust pipe 42 has a double pipe structure composed of an inner pipe 122 and an outer pipe 123, and opens toward the rear left upper side.
  • a constant inner space W ⁇ b> 1 is provided between the outer peripheral surface of the exhaust outlet pipe 121 and the inner peripheral surface of the inner pipe 122.
  • a constant outer space W ⁇ b> 2 is provided between the outer peripheral surface of the inner tube 122 and the inner peripheral surface of the outer tube 123 via a space holder 124. That is, the inner outside air inflow passage 125 is formed between the outer peripheral surface of the exhaust outlet pipe 121 and the inner peripheral surface of the inner pipe 122 with a certain inner interval W1.
  • An outer outside air inflow passage 126 is formed between the outer peripheral surface of the inner tube 122 and the inner peripheral surface of the outer tube 123 with a constant outer space W2.
  • the outside air G2 flows from the front end opening of the downstream side exhaust pipe 42 through the inside outside air inflow path 125 and the outside outside air inflow path 126 due to the ejector effect (decompression effect).
  • the outside gas G2 is mixed with the exhaust gas G1, diluted, and the temperature is lowered, and then the diluted exhaust gas G3 is discharged outside the apparatus.
  • the outer outside air inflow passage 126 through which the outside air G2 flows and the outside pipe 123 covering the outside of the outside air 123 cause a heat shielding effect on the exhaust gases G1 and G3.
  • the exhaust discharged from the exhaust outlet pipe 121 into the inner pipe 122 having a large cross-sectional area expands in volume, and the exhaust discharged from the inner pipe 122 into the outer pipe 123 having a large cross-sectional area further expands in volume.
  • the downstream side exhaust pipe 42 becomes an outside air introduction type multistage expansion exhaust muffler, and exhaust exhaust noise is reduced.
  • the device support frame 44 formed by extending in the front-rear direction between the horizontal support piece 27 of the piping unit support frame 22 disposed in the engine room 20 and the inner wall 5a of the threshing unit 5 is provided.
  • An exhaust gas purifying device 41 that is formed so as to extend in the front-rear direction is placed on a support frame 44 such as a device that is disposed substantially horizontally. That is, the exhaust gas purifying device 41 is appropriately separated from the diesel engine 21 and is disposed at the upper part of the traveling machine body 3.
  • the traveling body 3 can be made compact. Further, by separating the exhaust gas purification device 41 from the diesel engine 21, the engine room 20 can be downsized (compact).
  • the exhaust gas purification device 41 when the exhaust gas purification device 41 is disposed between the threshing unit 5 and the grain storage unit 9 adjacent to each other on the left and right, the horizontal support piece 27 of the piping unit support frame 22 disposed in the engine room 20 and Between the inner wall 5a of the threshing part 5, a support frame body 44 formed by extending in the front-rear direction is disposed substantially horizontally, and is extended in the front-rear direction on the device support frame body 44. Since the formed exhaust gas purification device 41 is placed, the exhaust gas purification device 41 that is a heavy object can be firmly supported by the support frame 44 such as a device. Since a round pipe is used as each of the pair of left and right front and rear extension pieces 50 and 51, the support frame 44 such as a device can be formed to be light and strong, and can be formed at low cost.
  • the device and the like support frame body 44 is a pair of left and right front and rear extension pieces 50 and 51, front and rear horizontal pieces 52 and 53 that are installed between the front, rear, and rear end portions of both front and rear extension pieces 50 and 51, and horizontal Since the frame is formed by the frame connecting piece 56, the support frame body 44 such as a device can be formed lightweight and firmly, and the support function of the exhaust gas purification device 41 can be ensured. In addition, the exhaust gas purifying device 41 can be easily attached only by installing the front / rear horizontal connecting pieces 52, 53 via the front / rear connecting pieces 54, 55.
  • downstream exhaust pipe 42 connected to the downstream side of the exhaust gas purification device 41 can be supported separately from the exhaust gas purification device 41 by the exhaust pipe support piece 36 provided at the rear part of the support frame body 44 such as the apparatus.
  • the exhaust gas purification device 41 and the downstream side exhaust pipe 42 can be separately connected in a non-contact state. Therefore, the downstream side exhaust pipe 42 can be an outside air introduction type multi-stage expansion type exhaust muffler. As a result, exhaust exhaust noise can be reduced and the surface temperature of the exhaust muffler can be reduced. Further, the exhaust muffler connected to the downstream side of the exhaust gas purification device 41 can be shortened. Since the whipping cylinder 196 is connected to and supported by the support frame body 44 such as the apparatus, the cereal cylinder 196 can be supported more firmly by the support frame body 44 such as the apparatus.
  • An exhaust gas purification device 41 is disposed in the required space S formed between the threshing portion 5 and the grain storage portion 9 adjacent to the left and right, and a front end portion opens at the rear portion of the exhaust gas purification device 41 and is rearward. Since the base end portion of the downstream side exhaust pipe 42 extending toward is connected, the distal end portion of the downstream side exhaust pipe 42 from which the exhaust gas is exhausted is separated from the driver seated in the operating unit 8. In addition, the downstream exhaust pipe 42 itself can be shortened.
  • the grouting cylinder is located in front of the threshing cylinder 196 and viewed in the front-rear direction of the traveling machine body 3. Since the exhaust gas purification device 41 is arranged at a position overlapping with 196, the exhaust gas purification device 41 can be arranged in a limited space, and the traveling machine body 3 can be made compact.
  • the horizontal auger 12 of the carry-out unit 10 can be swiveled above the grain storage unit 9 and can be stored in a horizontal shape, the horizontal auger 12 is arranged at a position below the upper surface of the grain storage unit 9. Interference with the exhaust gas purification device 41 can be easily avoided. Further, when the seat cover is hung on the horizontal auger 12 housed in a recumbent shape, it can be avoided that the seat cover comes into contact with the exhaust gas purification device 41 having a high temperature, which may cause a fire or the like. Can be prevented.
  • the grain storage unit 9 is formed in a quadrangular box shape and is connected to the vertical auger 11 and is rotatable forward (rightward outward) about an axis extending in the vertical direction of the vertical auger 11.
  • the posture can be freely changed between the use posture oriented toward the front and the non-use posture oriented toward the front outside.
  • a carry-out conveyor (not shown) whose axis is directed in the front-rear direction is built in the lower part of the grain storage unit 9, and the rear end portion is communicated with the vertical auger 11.
  • the grain storage unit 9 is rotated on the traveling body 3 to the outside (right side outward in this embodiment) with the threshing unit 5 and the use state provided on the left and right sides and the vertical auger 11 as the center,
  • the posture can be changed to a non-use state (maintenance possible state) in which the space between the front part of the grain storage unit 9 and the threshing unit 5 is greatly opened.
  • the latching means 80 provided in the front part side of the grain storage part 9 to the front-back extension piece 51 of the right side of the support frame bodies 44, such as a device, is detachably locked, and the grain storage part 9 is threshing part. 5 and can be fixed in use in the left and right side.
  • the locking means 80 includes a positioning engagement piece 81 for positioning inward and the right front-rear extension piece 51 in cooperation with the positioning engagement piece 81.
  • the positioning engagement piece 81 projects from the engagement piece mounting bracket 79 provided at the left front end of the grain storage portion 9 toward the support frame body 44, such as a device, and has a bifurcated shape at the tip.
  • the recess 84 is formed. And when turning the grain storage part 9 inward, the recessed part 84 engages with the front-back extension piece 51 of the right side of support frames 44, such as an apparatus, and the grain storage part 9 is made into a use state. Position it.
  • the fixing / releasing mechanism 82 has a boss portion 86 rotatably fitted to a pivot pin 85 protruding forward from the positioning engagement piece 81, and the boss portion 86 has a right side around the axis of the boss portion 86.
  • a hook 87 that engages and disengages from below is connected to the front / rear extension piece 51.
  • a tension spring 88 is interposed between the hook 87 and the positioning engagement piece 81 to elastically urge the hook 87 in a direction to engage with the right front / rear extension piece 51 from below.
  • the operating mechanism 83 has a lever pivot pin 90 projecting forward on the lower part of the front wall 9a of the grain reservoir 9, and a lever boss 91 is rotatably fitted to the lever pivot pin 90.
  • An upper end of a lever 92 is connected to the lever boss portion 91, and an interlocking rod 94 is interposed between an upper portion of the lever 92 and an interlocking arm 93 suspended from the boss portion 86.
  • the hook 87 can be disengaged from the right front / rear extension piece 51 via the interlocking rod 94 ⁇ the interlocking arm 93 ⁇ the lever boss portion 91. . Therefore, in this state, the front side of the grain storage unit 9 can be turned outward to be in an unused state.
  • the lever 92 by operating the lever 92 to make the hook 87 disengaged from the right front / rear extension piece 51 and turning the front part side of the grain storage part 9 inward, it is in use. Positioning is performed by engaging the concave portion 84 with the right front / rear extending piece 51. Subsequently, when the lever 92 is released, the hook 87 elastically urged by the tension spring 88 engages with the right front / rear extension piece 51 from below. That is, the grain storage unit 9 is connected to the support frame body 44 such as a device, and the support frame body 44 functions as a fixing unit.
  • the front side of the grain storage unit 9 that is pivotable outwardly about the vertical axis of the vertical auger 11 is locked to the support frame 44 such as a device. Since the rotation can be fixed, the rotation of the grain storage unit 9 can be fixed firmly. At this time, since the support frame body 44, such as a device, is effectively used as a fixing part that restricts the rotation of the grain storage part 9, there is no need to separately provide a member that forms the fixing part. Therefore, the manufacturing cost can be reduced accordingly. Since the locking means 80 provided on the front side of the grain storage unit 9 is detachably locked to the front and rear extension pieces 50 and 51, the structure is simplified and the kernel storage unit 9 is firmly fixed. Can do.
  • the diesel engine 21 includes a cylinder block 151 having an engine output shaft 150 (crankshaft, see FIG. 5) and a piston (not shown), and a cylinder head 152 mounted on the cylinder block 151 (see FIG. 8). ).
  • An exhaust manifold that is the exhaust port 43 is disposed on the front side surface of the cylinder head 152.
  • An intake manifold that is the intake port portion 34 is disposed on the rear side surface of the cylinder head 152.
  • the engine output shaft 150 protrudes from the left and right sides of the cylinder block 151 at both left and right sides.
  • a cooling fan (not shown) is provided on the right side surface of the cylinder block 151, and a radiator 153 for cooling the diesel engine water is disposed opposite to the cooling fan on the right outer side (see FIGS. 7 to 9).
  • a rotary screen 154 for cleaning and taking in outside air is disposed outside the right side of the radiator 153 (see FIG. 2). The rotational force is transmitted from the right end side of the engine output shaft 150 to the cooling fan via a V belt (not shown).
  • a flywheel 155 is pivotally supported on the left end side of the engine output shaft 150 protruding from the left side surface of the cylinder block 151.
  • the flywheel 155 transmits a driving force from a transmission case (not shown) to the cutting unit 4, the threshing unit 5, and the sorting unit 6, and a transmission case (not shown) to the traveling unit 2.
  • a traveling drive pulley (not shown) is fixed to constitute an output portion of the diesel engine 21.
  • the diesel engine 21 will be described later in the traveling machine body 3 such that the flywheel 155 is positioned on the left and right center side of the traveling machine body 3 and the radiator 153 is positioned on the right side of the traveling machine body 3. It is disposed in an engine room 20 formed below the driver's seat 201. That is, the diesel engine 21 is arranged so that the direction of the engine output shaft 150 extends in the left-right direction.
  • a turbocharger that is driven by exhaust gas from an exhaust port (exhaust manifold) 43 can be disposed on the diesel engine 21.
  • the turbocharger includes a turbine case with a built-in turbine wheel and a compressor case with a blower wheel.
  • the intake side of the compressor case is connected to the intake / exhaust side of the air cleaner 32 via an intake pipe.
  • the intake side of the air cleaner 32 is connected to the precleaner 30 via an intake duct.
  • An intake discharge side of the compressor case is connected to a gas inlet portion of the intake port portion 34 via a supercharging pipe and an EGR device.
  • the fresh air (external air) sucked into the air cleaner 32 from the precleaner 30 is removed and purified by the air cleaner 32, and then sent to the intake port (intake manifold) 34 via the compressor case and the EGR device. It is also possible to supply each cylinder of the diesel engine 21 from the intake port portion 34.
  • the EGR device includes an EGR main body case (collector) that mixes a part of exhaust gas of the diesel engine 21 (EGR gas from the exhaust port 43) and fresh air (external air) and supplies the mixture to the intake port 34, An intake throttle connecting the supercharging pipe and the EGR main body case, a recirculation exhaust gas pipe as a reflux pipe connected to the exhaust port 43 via an EGR cooler, and an EGR main body case communicating with the recirculation exhaust gas pipe
  • the EGR valve member is provided.
  • pressurized fresh air is supplied from the compressor case to the EGR main body case via the intake throttle, while EGR gas is supplied from the exhaust port 43 to the EGR main body case via the EGR valve member. Is done.
  • the mixed gas in the EGR main body case is supplied to the intake port portion 34. That is, a part of the exhaust gas discharged from the diesel engine 21 to the exhaust port portion 43 recirculates from the intake port portion 34 to the diesel engine 21, so that the maximum combustion temperature at the time of high load operation decreases, and the diesel engine 21 The amount of NOx (nitrogen oxide) discharged from the fuel is reduced.
  • an exhaust throttle device for adjusting the exhaust pressure of the diesel engine 21 can be connected to and supported by the exhaust port 43 on the upper portion of the diesel engine 21.
  • An exhaust gas intake side of the turbine case is connected to the gas outlet of the exhaust port 43, and an exhaust gas intake side of the exhaust throttle device is connected to the exhaust gas discharge side of the turbine case.
  • the exhaust throttle device is for increasing the exhaust pressure of the diesel engine 21. That is, when soot accumulates on the soot filter 104 in the exhaust gas purification device 41, the exhaust gas temperature from the diesel engine 21 is increased by increasing the exhaust pressure of the diesel engine 21 by controlling the exhaust throttle device. The soot deposited on the soot filter 104 is burned at a high temperature. As a result, soot disappears and the soot filter 104 is regenerated.
  • the turbocharger In general, if a turbocharger is provided upstream of the exhaust gas purification device 41, the high-temperature exhaust gas is used for the supercharging action of the turbocharger, and the exhaust gas temperature discharged from the turbocharger Decreases slightly.
  • an exhaust throttle device is provided between the turbocharger and the exhaust gas purification device 41 in the exhaust system, the exhaust gas temperature by the turbocharger is increased by the forced increase of the exhaust pressure using the exhaust throttle device. The effect of the reduction can be counteracted and the exhaust gas temperature can be raised. That is, the soot filter 104 can be regenerated by the action of the exhaust throttle device, and the exhaust gas purification capability of the exhaust gas purification device 41 can be properly maintained.
  • the exhaust gas temperature is increased by increasing the exhaust pressure by controlling the exhaust throttle device, and warming up of the diesel engine 21 can be promoted.
  • the traveling unit 2 is provided with a drive sprocket 161, a tension roller 162, a plurality of track rollers 163, and a crawler belt 164 wound around these on a track frame 160.
  • the drive sprocket 161 receives the power of the diesel engine 21 and is driven to rotate.
  • the tension roller 162 maintains the tension of the crawler belt 164.
  • the plurality of track rollers 163 hold the ground side of the crawler belt 164 in a grounded state.
  • the driving sprocket 161 supports the front side of the crawler belt 164, the tension roller 162 supports the rear side of the crawler belt 164, and the track roller 163 supports the grounded side of the crawler belt 164.
  • the cutting unit 4 has a cutting frame 170 connected to a cutting rotation fulcrum shaft (not shown).
  • the cutting unit 4 includes a clipper-type cutting blade device 171 that cuts the stock of uncut cereals in the field, a four-row culm pulling device 172 that causes uncut cereals in the field, and a cutting blade device 171.
  • the cereal conveyance device 173 that conveys the chopped cereal that has been cut by the above-mentioned method, and the four slicing bodies 174 that weed the uncut cereal in the field.
  • a cutting blade device 171 is provided below the cutting frame 170.
  • a grain raising apparatus 172 is disposed in front of the cutting frame 170.
  • the grain feeder 173 is arranged between the grain raising apparatus 172 and the front end part (feed start side) of the feed chain 181 provided in the threshing part 5.
  • a herbaceous body 174 is projected in front of the lower part of the grain raising device 172. While the traveling unit 2 is driven by the diesel engine 21 to move in the field, the cutting unit 4 is driven to continuously cut uncut cereals on the field.
  • the threshing unit 5 is provided with a feed chain 181 on the left side wall of the handling chamber 180, and around the axis that extends the handling cylinder 182 for threshing and threshing in the handling chamber 180 in the front-rear direction. It is pivotably attached. Then, the cedar is clamped by the feed chain 181 and is disposed on the lower peripheral surface side of the handle cylinder 182 where the tip part rotates, and is conveyed rearward, so that the tip of the grain is transferred by the handle cylinder 182. Part of the grain is threshed.
  • the sorting unit 6 swings and sorts the grains that have been threshed by the handling cylinder 182 and fall downward, and supplies the sorting wind to the swinging sorter 185. Tang 186 and auxiliary tang 187 to be recovered, first potato 188 to collect the first grain, first conveyor 189 disposed in the first potato 188, second potato 190 to collect the second grain, and two The second conveyor 191 disposed in the banqueter 190, the cereal cylinder 196 interposed between the right end of the first pod 188 and the upper left portion of the grain storage unit 9, and the right end of the second pod 190 No.
  • the second reduction cylinder 192 interposed between the right side of the processing chamber 180 and the processing chamber 180, a processing cylinder 193 for reprocessing the threshing discharge taken from the rear of the processing cylinder 182, and the rear part of the swing sorter 185 And a dust exhaust fan 194 for discharging the dust exhaust outside the apparatus.
  • the second reduction cylinder 192 has a second reduction cylinder front end portion 197 in communication with the right rear portion of the handling chamber 180.
  • the swing sorter 185 is configured to swing sort (specific gravity sort) the grains that have been threshed by the handling cylinder 182 and dropped downward.
  • the grain that falls from the rocking sorter 185 (the first sort) is removed by the sorting wind from the tang 186 and the auxiliary tang 187 and falls to the top 188.
  • the side of the threshing portion 5 that is close to the grain storage portion 9 projects outwardly from the end portion (right end portion) that extends vertically.
  • a lower end portion of 196 is connected in a communication state.
  • the grain taken out from the first bowl 188 is carried into the grain storage unit 9 by a cereal conveyor (not shown) in the cereal cylinder 196 and stored in the grain storage unit 9.
  • Oscillating sorter 185 is used to sort second grain (reduction-reprocessed product for re-sorting of grains and swarf etc.) such as grain with branch incision by rocking sorting (specific gravity sorting). It is comprised so that it may fall to 190.
  • the second grain taken out by the second basket 190 is returned by the second reduction cylinder 192 from the front end portion 197 of the second reduction cylinder to the upper surface side of the swing sorter 185 and re-sorted. Further, sawdust, dust, and the like in the crushed material from the handling cylinder 182 are discharged from the rear portion of the traveling machine body 3 toward the farm field by the sorting wind from the tang 186 and the auxiliary tang 187.
  • the waste disposal unit 7 has a waste chain 195 disposed on the rear end side (feed end side) of the feed chain 181.
  • the waste passed through the feed chain 181 from the rear end side of the feed chain 181 (the grain from which the grain has been threshed) is discharged to the rear of the traveling machine body 3 in a long state, or the rear side of the threshing unit 5
  • the paper is discharged to the lower rear of the traveling machine body 3.
  • the operation unit 8 includes an operation device including a step 200 on which an operator gets on, a driver's seat 201, a single steering lever 202, various operation levers, and the like.
  • a diesel engine 21 as a power source is disposed below the driver's seat 201 in the traveling body 3.
  • a side column 203 arranged on the left side of the driver's seat 201 holds a main transmission lever 204 that performs a speed change operation of the traveling machine body 3 and an output and a rotational speed of a hydraulic continuously variable transmission (not shown) within a predetermined range.
  • An auxiliary transmission lever 205 and the like are provided.
  • the main speed change lever 204 is used for steplessly changing the forward, stop, reverse, and vehicle speed of the traveling machine body 3.
  • the sub-transmission lever 205 changes the sub-transmission mechanism (not shown) in the transmission case according to the working state, and changes the output and the rotational speed of the hydraulic continuously variable transmission between low speed and high speed with the neutral in between. This is for setting and maintaining two speeds.
  • FIG. 15 to 17 is a combine as a second embodiment according to the present invention.
  • the combine 1 has the same basic structure as the combine 1 as the first embodiment described above. The difference is that the operating unit 8 is covered with a cabin 210 incorporating the device.
  • a capacitor 212 constituting a part of the air conditioner is attached to the lower portion of the rear wall 211.
  • a cooling fan 213 is disposed behind the condenser 212 so as to face each other.
  • An outside air intake 214 is formed at the right rear portion of the cabin 210.
  • the cooling fan 213 by driving the cooling fan 213, the outside air is taken in from the outside air inlet 214 and discharged rearward through the rear surface of the condenser 212. At this time, the condenser 212 is cooled when the outside air taken in from the outside air inlet 214 is discharged to the rear of the cabin 210.
  • the front wall 9a of the grain storage unit 9 is arranged facing the rear of the cabin 210 so as to cover the entire surface of the cooling fan 213 from the rear in the rear view, and on the rear left side of the cooling fan 213
  • the exhaust gas purification device 41 covered with the heat shield 70 is disposed at a position lower than the axial center position of the cooling fan 213. Therefore, the exhaust exhausted rearward by the cooling fan 213 becomes exhaust air that flows backward along the upper surface of the heat shield 70 disposed on the rear left side to form the exhaust air flow path R. As a result, the exhaust air discharged from the cooling fan 213 along the exhaust air flow path R flows rearward immediately above the heat shield 70 and the downstream side exhaust pipe 42, thereby cooling the heat shield 70 with wind. In addition, the exhaust gas G3 exhausted from the downstream exhaust pipe 42 is promoted. Therefore, in this combine 1, the exhaust function of the exhaust pipe part 24 can be improved.

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Abstract

La présente invention comporte : une partie de récolte à l'avant du corps de machine ; une partie de battage positionnée sur un côté du corps de machine ; une partie d'entraînement et une partie de stockage de grain positionnées à l'avant et l'une derrière l'autre sur l'autre côté du corps de machine, la partie de battage et la partie de stockage de grain étant positionnées de façon à être latéralement adjacentes ; un moteur diesel positionné à la partie avant du corps de machine ; et un dispositif de purification de gaz d'échappement qui est couplé à la sortie d'échappement du moteur diesel par l'intermédiaire d'un tuyau d'échappement. De plus, le dispositif de purification de gaz d'échappement est formé de façon à s'étendre dans la direction longitudinale, et est positionné dans l'espace requis dans l'espace devant être formé entre la partie de moissonnage et la partie de stockage de grain latéralement adjacentes. En résultat, une élévation excessive de la température de surface du dispositif de purification de gaz d'échappement peut être éliminée. De plus, l'accumulation de poussière, et analogue, peut être réduite, de telle sorte que le risque d'incendie peut être éliminé, et que la facilité de maintenance du dispositif de purification de gaz d'échappement peut être améliorée.
PCT/JP2013/072101 2012-08-24 2013-08-19 Moissonneuse-batteuse WO2014030612A1 (fr)

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KR102135519B1 (ko) * 2015-12-11 2020-07-20 얀마 파워 테크놀로지 가부시키가이샤 콤바인
KR20180098227A (ko) * 2015-12-22 2018-09-03 가부시끼 가이샤 구보다 수확기
WO2017110530A1 (fr) * 2015-12-22 2017-06-29 株式会社クボタ Moissonneuse
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