WO2022158210A1 - Dispositif d'alimentation en carburant de machine de travail et moissonneuse - Google Patents

Dispositif d'alimentation en carburant de machine de travail et moissonneuse Download PDF

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Publication number
WO2022158210A1
WO2022158210A1 PCT/JP2021/046984 JP2021046984W WO2022158210A1 WO 2022158210 A1 WO2022158210 A1 WO 2022158210A1 JP 2021046984 W JP2021046984 W JP 2021046984W WO 2022158210 A1 WO2022158210 A1 WO 2022158210A1
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WO
WIPO (PCT)
Prior art keywords
fuel tank
fuel
filter device
fuel supply
tank
Prior art date
Application number
PCT/JP2021/046984
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English (en)
Japanese (ja)
Inventor
充 小林
竜也 水畑
Original Assignee
ヤンマーホールディングス株式会社
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
Application filed by ヤンマーホールディングス株式会社 filed Critical ヤンマーホールディングス株式会社
Priority to KR1020237021875A priority Critical patent/KR20230134474A/ko
Priority to CN202180090739.4A priority patent/CN116761506A/zh
Publication of WO2022158210A1 publication Critical patent/WO2022158210A1/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
    • A01D41/02—Self-propelled combines
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a fuel supply device for a working machine equipped with a power section that is driven by being supplied with fuel, and a harvesting machine.
  • a combine harvester equipped with a reaping part, a threshing part, a grain tank, etc. is known (see Patent Document 1, for example).
  • a power section (engine) and a fuel tank are mounted on the body (running body), and fuel is supplied from the fuel tank (first fuel tank and second fuel tank) to the power section. to drive the power section.
  • one fuel tank (first fuel tank) is arranged between the threshing section and the grain tank which are arranged side by side in the left-right direction at the rear part of the machine body. Further, in front of this fuel tank (first fuel tank), a filter device (oil/water separator) is arranged to remove moisture contained in the fuel supplied to the power section. Therefore, the filter device is located in a place surrounded by the threshing section, the grain tank and the fuel tank (first fuel tank).
  • An object of the present invention is to provide a fuel supply device for working machines and a harvesting machine that can save labor in maintenance of the filter device.
  • a fuel supply device for a work machine includes a fuel tank and a filter device.
  • the fuel tank is mounted on the body of the working machine and stores fuel.
  • the filter device is mounted on the fuselage and inserted into the fuel supply path to the power section of the working machine to remove objects in the fuel.
  • the filter device is arranged on the side opposite to the center of the airframe with respect to the fuel tank when viewed from above.
  • a fuel supply device for a work machine includes a fuel tank and a filter device.
  • the fuel tank is mounted on the body of the working machine and stores fuel.
  • the filter device is mounted on the fuselage and inserted into the fuel supply path to the power section of the working machine to remove objects in the fuel.
  • the fuselage includes a threshing part and a grain tank arranged in the left-right direction across an imaginary straight line in top view.
  • the filter device is arranged between the fuel tank and a vertically extending vertical conveying path of a discharge conveying path for discharging accumulated matter in the grain tank in a top view.
  • a fuel supply device for a work machine includes a fuel tank and a filter device.
  • the fuel tank is mounted on the body of the working machine and stores fuel.
  • the filter device is mounted on the fuselage and inserted into the fuel supply path to the power section of the working machine to remove objects in the fuel.
  • the filter device is arranged behind the fuel tank and at least partially facing the fuel tank in the front-rear direction.
  • a harvesting machine includes the fuel supply device for the working machine and the machine body.
  • FIG. 1 shows a fuel supply system for a work machine according to Embodiment 1, and is a schematic perspective view of the periphery of a fuel tank as seen obliquely from the rear left.
  • 2 is a schematic left side view of the work machine according to Embodiment 1.
  • FIG. 3 is a schematic plan view of the working machine according to Embodiment 1.
  • FIG. 4 shows the fuel supply device for the working machine according to the first embodiment, and is a schematic perspective view of the periphery of the fuel tank as seen obliquely from the rear right.
  • FIG. 5 is a schematic plan view showing a fuel supply system for a working machine according to Embodiment 1.
  • FIG. 6 is a schematic plan view showing the frame of the machine body of the working machine according to Embodiment 1.
  • FIG. 7 is a schematic perspective view of the rear part of the body frame of the working machine according to Embodiment 1, as seen obliquely from the rear left.
  • FIG. 8 shows the fuel supply device for the working machine according to Embodiment 1, and is a schematic perspective view of the periphery of the fuel tank as seen obliquely from the rear left.
  • FIG. 9 is a schematic plan view showing a fuel supply system for a working machine according to Embodiment 1.
  • FIG. 10A and 10B are schematic trihedral views showing the fuel tank of the fuel supply system for the working machine according to Embodiment 1.
  • FIG. FIG. 11 shows the fuel supply system for a work machine according to Embodiment 1, and is a schematic perspective view of the fuel tank and its surroundings as seen obliquely from the rear right, with the filter device 3 removed.
  • FIG. 1 (Embodiment 1) [1] Overall Configuration First, the overall configuration of the working machine 4 according to the present embodiment will be described with reference to FIGS. 2 and 3.
  • FIG. The working machine 4 includes at least a power section 46 that is driven by being supplied with fuel.
  • a fuel supply device 10 (see FIG. 1) for a working machine according to this embodiment is mounted on the body 40 of such a working machine 4. As shown in FIG.
  • working machine means a machine that performs various kinds of work in a work area such as a field. It is a work vehicle such as a machine and a transplanter. That is, work machine 4 includes a work vehicle.
  • the work machine 4 is not limited to a "vehicle”, and may be, for example, a work projectile or a work vessel. Further, the work machine 4 is not limited to agricultural machines (agricultural machines), and may be construction machines (construction machines), for example. In this embodiment, unless otherwise specified, the case where the working machine 4 is a riding-type harvesting machine will be described as an example.
  • the "harvesting machine” referred to in the present disclosure is a machine that performs crop harvesting work in a field, and includes, for example, a combine (combine harvester) that performs threshing and sorting in addition to harvesting work.
  • a combine harvester is mainly used for grain harvesting, and harvests crops while moving (running) in a field.
  • there are two types of combine harvesters a general-purpose (general-purpose) combine that feeds the entire harvested crop to the threshing machine, and a self-threshing type combine that feeds only the tip of the harvested crop to the threshing machine.
  • a common combine harvester for harvesting rice grown in a field (rice field) will be described as an example of the work machine 4 .
  • the work machine 4 is operated by a person (operator) (including remote control). machine.
  • the vertical direction in which the work machine 4 is usable is defined as the vertical direction D1.
  • the front-rear direction D2 and the left-right direction D3 are defined with reference to the direction seen by a person riding (the driving section 47 of) the work machine 4 .
  • the directions used in the present embodiment are defined with reference to the machine body 40 of the work machine 4.
  • the direction in which the fuselage 40 moves when the machine 4 moves backward is “rear”.
  • the direction in which the front end of the machine body 40 moves when the work machine 4 turns to the right is “right”
  • the direction in which the front end of the machine body 40 moves when the work machine 4 turns to the left is “left”.
  • these directions are not meant to limit the directions in which the work machine 4 is used (directions during use).
  • the work machine 4 includes, in addition to the power unit 46, a traveling device 41, a reaping unit 42, a threshing unit 43, a sorting unit 44, a storage device 45, an operation unit 47, a straw processing unit 48, a discharge device 49, and the like. is provided in the fuselage 40. Furthermore, in this embodiment, the working machine 4 further includes a control device, a communication terminal, a battery, and the like in the body 40 . In addition, in the present embodiment, the working machine 4 further includes a working machine fuel supply device 10 (hereinafter also simply referred to as a "fuel supply device").
  • a working machine fuel supply device 10 hereinafter also simply referred to as a "fuel supply device"
  • the machine body 40 which is the main body of the work machine 4, includes a traveling device 41, a reaping unit 42, a threshing unit 43, a sorting unit 44, a storage device 45, a power unit 46, an operation unit 47, a straw processing unit 48, a discharge device 49, and the like. contains.
  • the fuel supply device 10 configures the work machine 4 as a harvesting machine together with the machine body 40 .
  • the harvesting machine (work machine 4 ) includes the fuel supply device 10 for the work machine and the machine body 40 .
  • the traveling device 41 can move the working machine 4 in the front-rear direction D2 and the left-right direction D3.
  • the work machine 4 performs harvesting work while meandering in a field such as a rice field or a field.
  • the work machine 4 may move while turning right (or left) from the outside to the inside in the field, and in this case, the movement locus of the work machine 4 becomes a spiral path.
  • the reaping unit 42 reaps the crops in the field (rice as an example in this embodiment).
  • the reaping part 42 has a reel 421, a cutter 422, a scraping auger 423, a conveyer 424, a rotor 425, a feeder house 426, and the like.
  • the reel 421 guides the culm of the crop to the cutter 422 by rotating.
  • Cutter 422 cuts the culm guided by reel 421 .
  • the stalks of the crops growing in the field are cut in the middle, and the stalks including at least the tips are harvested by the working machine 4 .
  • the raking auger 423 rakes the harvested culms into the feeder house 426 .
  • the raking auger 423 is a lateral feed screw that conveys the harvested culms in the left-right direction D ⁇ b>3 and collects them at the front position of the feeder house 426 .
  • the feeder house 426 constitutes the contour of the path for passing the harvested crops (grain culms) between the harvesting unit 42 (the raking auger 423 thereof) and the threshing unit 43 .
  • the threshing section 43 is positioned diagonally above and behind the harvesting section 42 .
  • the feeder house 426 has a hollow tubular shape (square tubular shape) with a rectangular cross section, and is arranged to extend obliquely upward from the harvesting section 42 toward the threshing section 43 .
  • the culms harvested by the harvesting unit 42 are raked into the feeder house 426 through an intake opening on the front side of the feeder house 426 and sent to the threshing unit 43 through the internal space of the feeder house 426 .
  • the transport conveyor 424 is arranged inside the feeder house 426 .
  • the transport conveyor 424 conveys the culms collected by the raking auger 423 to the front position of the inlet of the feeder house 426 and rake into the feeder house 426 from the inlet to the rotor 425 through the inside of the feeder house 426 . do.
  • the rotor 425 feeds the culms conveyed by the conveyer 424 to the threshing section 43 .
  • the threshing unit 43 executes threshing processing on the culms harvested by the harvesting unit 42 .
  • the threshing process separates the threshing containing grains from the culms.
  • the threshed grains fall from the threshing section 43 to the sorting section 44 below.
  • the sorting unit 44 executes a sorting process of sorting out grains from the threshing that falls from the threshing unit 43 .
  • the sorting unit 44 sorts out grains from threshed grains by sieving the threshed grains while blowing air from obliquely below the threshed grains.
  • the threshing section 43 for example, carries out the threshing process on the culms while conveying the culms from the front to the rear of the threshing section 43.
  • the sorting unit 44 carries out the sorting process for the grain thresh, for example, while conveying the thresh from the front to the rear of the sorting unit 44 .
  • the storage device 45 has a vertical transport duct 451, a vertical transport conveyor 452, a grain tank 453, and the like.
  • the vertical conveying duct 451 is a duct that connects the sorting section 44 and the upper inlet of the grain tank 453 .
  • the vertical transport conveyor 452 is a screw conveyor that rotates within the vertical transport duct 451 to transport grains from the sorting unit 44 into the grain tank 453 .
  • the grain tank 453 is a tank (container) that stores the threshed grains (grains, etc.) obtained by the threshing process in the threshing section 43 .
  • the grain tanks 453 are arranged side by side in the horizontal direction D3, which is the width direction of the machine body 40, with respect to the threshing section 43. As shown in FIG.
  • the threshing part 43 and the sorting part 44
  • the grain tank 453 storage device 45
  • the fuselage 40 includes the threshing part 43 and the grain tank 453 that are aligned in the left-right direction D3 across the virtual straight line VL1 when viewed from above.
  • the virtual straight line VL1 is a virtual straight line that extends along the front-rear direction D2 through between the threshing section 43 and the grain tank 453, as shown by the imaginary line (two-dot chain line) in FIG. .
  • the threshing part 43 and the grain tank 453 are positioned on both sides of the imaginary straight line VL1 in the left-right direction D3 when viewed from above (planar view).
  • the discharging device 49 discharges the grains in the grain tank 453 to an arbitrary location around the work machine 4.
  • the ejection device 49 has an ejection transport path 490, a transport mechanism 493, and the like.
  • the discharge conveying path 490 is a path for discharging the material (grains) in the grain tank 453 .
  • the discharge transport path 490 includes a vertical transport path 491 extending in the vertical direction D1 and a horizontal transport path 492 extending in a direction orthogonal to the vertical direction D1 (horizontal direction). A lower end portion of the vertical transport path 491 is connected to the grain tank 453 , and an upper end portion of the vertical transport path 491 is connected to the horizontal transport path 492 .
  • the material stored in the grain tank 453 is transported upward through the vertical transport path 491 , horizontally transported through the horizontal transport path 492 , and discharged from the tip of the horizontal transport path 492 .
  • the vertical transport path 491 also functions as a rotating shaft when the grain tank 453 is opened and closed. That is, the grain tank 453 is configured to be rotatable in the horizontal plane around the central axis of the vertical transport path 491 . As a result, the grain tank 453 can move (rotate) between the closed posture and the open posture. By doing so, it becomes easier to secure work space for maintenance and the like. 3 and the like show a state in which the grain tank 453 is in a closed position.
  • the transport mechanism 493 is, for example, a screw (auger) that transports grain through the discharge transport path 490 by rotating within the discharge transport path 490 . That is, grains are conveyed in the vertical conveying path 491 by rotating the vertical auger as the conveying mechanism 493, and grains are conveyed in the horizontal conveying path 492 by rotating the horizontal auger as the conveying mechanism 493. do.
  • the straw processing unit 48 discharges waste such as waste straw (straw) generated in the threshing process. That is, the straw or the like separated from the threshing (including the grain) in the threshing process in the threshing section 43 is conveyed to the straw processing section 48 as a discharged material.
  • the straw processing unit 48 has a discharge port 481 (see FIG. 4) for discharging waste to the outside of the body 40 .
  • the straw processing section 48 is arranged, for example, behind the threshing section 43, that is, at the left rear portion of the machine body 40, and the discharge port 481 opens rearward.
  • the straw processing unit 48 has a waste straw cutter or the like, and after performing cutting processing or the like on the discharged material, discharges the discharged material from the discharge port 481 . However, it is not essential for the straw processing unit 48 to perform the cutting process or the like.
  • the power unit 46 is a drive source for the traveling device 41, the reaping unit 42, the threshing unit 43, the sorting unit 44, the storage device 45, the straw processing unit 48, the discharging device 49, and the like.
  • the power unit 46 has, for example, an engine such as a diesel engine as a power source.
  • the power unit 46 may have a hybrid power source including an engine and a motor (electric motor).
  • the operating section 47 is provided with a driver's seat on which an operator sits, and operating devices such as a handle operated by the operator, various operating levers, and various operating switches.
  • the driving unit 47 is arranged in front of the grain tank 453 (see FIG. 3) on the right side of the body 40 of the work machine 4 . Further, the driving section 47 is positioned behind the reaping section 42 and above the power section 46 (see FIG. 2).
  • the control device controls the traveling device 41, the reaping unit 42, the threshing unit 43, the sorting unit 44, the storage device 45, the power unit 46, the straw processing unit 48, the discharging device 49, etc. according to the operation received by the operating device.
  • the operating device includes an engine ON/OFF key
  • the control device starts the engine of the power unit 46 when the engine ON/OFF key is switched on, and the engine ON/OFF key is turned on. Stop the engine when switched off.
  • the communication terminal communicates with a server or the like external to the work machine 4.
  • the communication terminal is configured to indicate the operation status of the work machine 4, the current position of the work machine 4, the yield of the crop, the taste of the crop (including protein content or water content, etc.), the working time, or the working efficiency. etc., to a server or the like as appropriate.
  • the communication terminal is configured to detect the current position of the work machine 4 using a satellite positioning system such as GNSS (Global Navigation Satellite System). Further, the communication terminal may receive control information related to driving assistance or automatic driving of the work machine 4 from a server or the like.
  • GNSS Global Navigation Satellite System
  • information (yield data) about the harvested amount can be obtained by detecting the amount of harvested grains with a sensor (grain sensor) provided in the work machine 4 .
  • a sensor grain sensor
  • this type of sensor includes an impact detection unit such as a strain gauge or a piezoelectric element attached to the upper surface of the grain tank 453, and the grain conveyed toward the grain tank 453 by the vertical conveyer 452 detects the impact. Detects the impact force when it collides with a part.
  • the method of obtaining the yield of the work machine 4 is not limited to this.
  • the communication terminal communicates with a server or the like external to the work machine 4.
  • the communication terminal is configured to indicate the operation status of the work machine 4, the current position of the work machine 4, the yield of the crop, the taste of the crop (including protein content or water content, etc.), the working time, or the working efficiency. etc., to a server or the like as appropriate.
  • the communication terminal is configured to detect the current position of the work machine 4 using a satellite positioning system such as GNSS (Global Navigation Satellite System). Further, the communication terminal may receive control information related to driving assistance or automatic driving of the work machine 4 from a server or the like.
  • GNSS Global Navigation Satellite System
  • information (yield data) about the harvested amount can be obtained by detecting the amount of harvested grains with a sensor (grain sensor) provided in the work machine 4 .
  • a sensor grain sensor
  • this type of sensor includes an impact detection unit such as a strain gauge or a piezoelectric element attached to the upper surface of the grain tank 453, and the grain conveyed toward the grain tank 453 by the vertical conveyer 452 detects the impact. Detects the impact force when it collides with a part.
  • the method of obtaining the yield of the work machine 4 is not limited to this.
  • the machine body 40 of the working machine 4 includes a frame 5 (see FIG. 6, etc.) as a structural body.
  • the frame 5 is configured by combining a plurality of frame members (for example, metal pipes, etc.).
  • the frame 5 forms a platform by extending in a plane along the horizontal plane.
  • the traveling device 41 , the reaping unit 42 , the threshing unit 43 , the sorting unit 44 , the storage device 45 , the power unit 46 , the operation unit 47 , the straw processing unit 48 , the discharging device 49 and the like are mounted on the frame 5 . Then, the traveling device 41 moves the body 40 together with the frame 5 within the field. Therefore, the frame 5 has sufficient strength (rigidity) to support heavy objects such as the threshing section 43 .
  • the fuel supply device 10 is a device (system) that supplies the power section 46 with fuel for driving the power section 46 .
  • a fuel suitable for the power unit 46 such as light oil or gasoline, is appropriately used.
  • the power unit 46 has a diesel engine as a power source. Therefore, the fuel supplied to the power unit 46 by the fuel supply device 10 is light oil.
  • the fuel supply device 10 includes a fuel tank 11 and a piping system 2, as shown in FIG.
  • the fuel supply device 10 stores fuel of a predetermined capacity or less in the fuel tank 11 and supplies the fuel to the power section 46 through the piping system 2 .
  • the fuel tank 11 , the piping system 2 , etc., which are components of the fuel supply device 10 are mounted on the body 40 of the work machine 4 by being fixed to the frame 5 of the body 40 .
  • the fuel tank 11 is arranged on the outer periphery of the fuselage 40 in top view (planar view) so that fuel can be replenished appropriately, and has a fuel filler port 101 facing outward.
  • the fuel tank 11 is arranged at the rear end of the fuselage 40 , and the fuel filler port 101 is provided at the rear end of the fuel tank 11 .
  • FIG. 1 shows a state in which the fuel filler cap 102 is attached to the fuel filler port 101 and the fuel filler port 101 is closed.
  • the fuel supply device 10 further includes a filter device 3 .
  • the filter device 3 is inserted in the fuel supply path (piping system 2) for the power unit 46, and removes objects in the fuel.
  • Objects to be removed by the filter device 3 are, for example, impurities such as water contained in the fuel, foreign substances such as dust in the fuel, and the like.
  • the fuel supply device 10 can supply pure fuel from which objects such as moisture are removed to the power section 46 .
  • the fuel supply device 10 for the working machine and the harvesting machine (the working machine 4) that can save labor for the maintenance of the filter device 3 are realized.
  • the fuel supply device 10 for a work machine includes a fuel tank 11 and a filter device 3, as shown in FIGS.
  • the fuel tank 11 is mounted on the body 40 of the work machine 4 and stores fuel.
  • the filter device 3 is mounted on the fuselage 40 and is inserted into the fuel supply path (piping system 2) to the power unit 46 of the work machine 4 to remove objects in the fuel.
  • the filter device 3 is arranged on the side opposite to the center C1 of the airframe 40 with respect to the fuel tank 11 when viewed from above (planar view).
  • the filter device 3 is arranged so that the fuel tank 11 is positioned between the center C1 of the airframe 40 in a top view (planar view) of the airframe 40 from above. there is That is, the filter device 3 is arranged outside (peripheral side) of the airframe 40 relative to the fuel tank 11 when viewed from above. Especially in this embodiment, since the fuel tank 11 is arranged at the rear end portion of the airframe 40 as described above, the filter device 3 is arranged further behind the fuel tank 11 .
  • FIG. 5 schematically shows the center C1 of the fuselage 40 in top view (planar view), but the point (circle) indicating the center C1 does not mean that there is a structure at the center C1. .
  • the filter device 3 is arranged outside the fuel tank 11 (on the outer peripheral side of the fuselage 40), so that it becomes easier to access the filter device 3 from the outside of the fuselage 40 during maintenance of the filter device 3. . That is, when the user accesses the filter device 3 from the outside of the fuselage 40, the filter device 3 is positioned at least in front of the fuel tank 11, so access to the filter device 3 is less likely to be hindered by the fuel tank 11. It becomes easier for the user to access the filter device 3 . As a result, for example, without opening and closing the grain tank 453, the user can easily access the filter device 3, and maintenance labor for the filter device 3 can be saved.
  • the fuel supply device 10 further includes a separate fuel tank 12 in addition to the fuel tank 11, the piping system 2 and the filter device 3, as shown in FIGS.
  • the separate fuel tank 12 constitutes the fuel tank set 1 together with the fuel tank 11 . That is, the fuel supply system 10 according to this embodiment includes a fuel tank set 1 including a plurality of fuel tanks, ie, the fuel tank 11 and the separate fuel tank 12, as fuel tanks for storing fuel.
  • the separate fuel tank 12 (second fuel tank) has a larger capacity (capacity of fuel) than the fuel tank 11 (first fuel tank).
  • Both the fuel tank 11 and the separate fuel tank 12 are mounted on the frame 5 of the airframe 40.
  • the fuel tank 11 and the separate fuel tank 12 are arranged side by side in the left-right direction D3. That is, both the fuel tank 11 and the separate fuel tank 12 that constitute the fuel tank set 1 are arranged at the rear end portion of the fuselage 40 .
  • the fuel tank 11 is arranged to the right of the separate fuel tank 12 .
  • the internal spaces of the fuel tank 11 and the separate fuel tank 12 are connected to each other by a communicating pipe 13 . Therefore, the fuel tank set 1 functions as a fuel tank having a total capacity of the fuel tank 11 and the separate fuel tank 12 .
  • the fuel tank 11 is arranged between the grain tank 453 and the threshing section 43 at the rear end of the fuselage 40 .
  • the separate fuel tank 12 is arranged below the rear end of the threshing section 43 . Since the discharge port 481 (see FIG. 4) of the straw processing unit 48 is provided on the rear surface (back surface) of the threshing unit 43, the separate fuel tank 12 is positioned below the straw processing unit 48 (discharge port 481). will be placed (see FIG. 8).
  • the fuel tank 11 is arranged between the grain tank 453 and the threshing section 43, the space between the grain tank 453 and the threshing section 43 can be effectively used. Further, since the separate fuel tank 12 is arranged below the rear portion of the threshing section 43, the space below the threshing section 43 can be effectively utilized. In addition, since the fuel tank set 1 is divided into the fuel tank 11 and the separate fuel tank 12, the entire fuel tank set 1 can large capacity can be secured.
  • the piping system 2 has a first feed pipe 21, a second feed pipe 22, a feed pump 23, a third feed pipe 24, a first return pipe 25, a cooler 26 and a second return pipe 27, as shown in FIG. is doing.
  • the first feed pipe 21 connects between the separate fuel tank 12 and the filter device 3 .
  • the second feed pipe 22 connects between the filter device 3 and the feed pump 23 .
  • the third feed pipe 24 connects between the feed pump 23 and the power section 46 .
  • a first return pipe 25 connects between the power section 46 and the cooler 26 .
  • a second return pipe 27 connects between the cooler 26 and the fuel tank 11 . Strictly speaking, the first return pipe 25 is connected to the feed pump inside the power section 46 .
  • the fuel in the fuel tank set 1 is supplied from the separate fuel tank 12 by the feed pump 23 to the power unit 46 through the filter device 3, and the surplus from the power unit 46 (surplus fuel) is returned to the fuel tank 11 by a feed pump in the power section 46 . That is, the fuel contained in the fuel tank set 1 is supplied from the separate fuel tank 12 of the fuel tank set 1 to the first feed pipe 21, the filter device 3, the second feed pipe 22, the feed pump 23 and the third feed pipe. 24 in this order to the power section 46 . On the other hand, surplus fuel from the power section 46 passes through the first return pipe 25, the cooler 26 and the second return pipe 27 in this order and is returned to the fuel tank set 1 (fuel tank 11).
  • the filter device 3 is an oil-water separator that mainly removes water in the fuel as a target. That is, the filter device 3 removes moisture as a target from the fuel sent from the fuel tank set 1 (separate fuel tank 12) to the filter device 3 through the first feed pipe 21, and the fuel from which the moisture has been removed is 2 output from the feed pipe 22 to the power unit 46 side.
  • the filter device 3 has a cylindrical filter case 31 extending in the vertical direction D1 and a filter cap 32, as shown in FIG.
  • the filter cap 32 is detachably attached to the bottom surface of the filter case 31 .
  • a space surrounded by the filter case 31 and the filter cap 32 constitutes a filter housing chamber 33 for housing a replaceable filter. That is, the internal space of the filter case 31 becomes the filter housing chamber 33 , and the opening surface (lower surface) of the filter case 31 is covered with the filter cap 32 .
  • the user When performing maintenance on the filter device 3 , the user removes the filter cap 32 from the filter case 31 and takes out the filter in the filter housing chamber 33 from the opening surface (lower surface) of the filter case 31 . Then, the user inserts the cleaned filter or a new filter into the filter housing chamber 33 through the opening surface of the filter case 31 and attaches the filter cap 32 to the filter case 31 . As a result, the filter in the filter housing chamber 33 is replaced with the cleaned filter or a new filter, and the maintenance of the filter device 3 is completed.
  • the fuel supply device 10 configured as described above is mounted on the fuselage 40 by being supported by the frame 5 of the fuselage 40 .
  • a specific configuration of the frame 5 will now be described with reference to FIGS. 6 and 7.
  • FIG. 6 A specific configuration of the frame 5 will now be described with reference to FIGS. 6 and 7.
  • the frame 5 is configured by combining a plurality of frame members (for example, metal pipes, etc.) and spreads out in a plane along the horizontal plane to form a platform.
  • the frame 5 has a support frame 51, a rear frame 52, a horizontal frame 53, a vertical frame 54, and the like.
  • the support frame 51 has a length in the left-right direction D3 at the rear end of the fuselage 40 .
  • the rear frame 52 is arranged further behind the support frame 51 and has a length in the left-right direction D3.
  • the horizontal frame 53 is arranged in front of the support frame 51 and has a length in the horizontal direction D3.
  • the vertical frame 54 is combined with the support frame 51 so as to intersect (perpendicularly in this embodiment) the support frame 51, and has a length in the front-rear direction D2.
  • the vertical frame 54 is provided at least between the support frame 51 and the horizontal frame 53 and has a function of connecting the support frame 51 and the horizontal frame 53 .
  • the support frame 51 , the rear frame 52 and the horizontal frame 53 are integrally connected by vertical pipes below the vertical frame 54 to form the frame 5 .
  • a plurality of frame members forming the frame 5 are fixed to each other by, for example, welding, adhesion, or fastening using fasteners.
  • the rear frame 52 is shorter than the support frame 51 and protrudes rearward from a part of the support frame 51 in the longitudinal direction (lateral direction D3).
  • the rear frame 52 is arranged along the support frame 51 , it is provided so as to correspond only to a part of the rear frame 52 , not to the entire rear frame 52 .
  • the rear frame 52 is arranged behind the right half of the support frame 51 in the left-right direction D3.
  • the left end portion of the rear frame 52 is inclined forward, and its tip is coupled to the support frame 51 .
  • the rear frame 52 is provided in such a manner as to protrude rearward from at least a portion of the support frame 51 , thereby functioning as a bumper that mitigates the impact on the support frame 51 . Further, the rear frame 52 has a load receiving portion 521 as shown in FIG. The load receiver 521 is positioned below the vertical transport path 491 of the discharging device 49 and receives the load of the vertical transport path 491 (including the vertical auger as the transport mechanism 493). In other words, the rear frame 52 also has the function of supporting the vertical transport path 491 that serves as the rotation axis of the grain tank 453 .
  • the support frame 51 is provided with a stay 6 .
  • the stay 6 is arranged at a position facing the rear frame 52 in the support frame 51 in the front-rear direction D2 and protrudes upward from the upper surface of the support frame 51 .
  • the stay 6 is fixed to the support frame 51 by, for example, welding, adhesion, or fastening using fasteners. This stay 6 is used to fix the fuel tank 11 .
  • a fuel supply device 10 is mounted on such a frame 5, for example, as shown in FIG.
  • the fuel tank 11 is arranged on and supported by the support frame 51 . More precisely, the fuel tank 11 is arranged across the support frame 51 and the horizontal frame 53 . Further, the fuel tank 11 is arranged at the same position as the vertical frame 54 in the left-right direction D3. Therefore, the vertical frame 54 is positioned below the fuel tank 11 .
  • the fuel tank 11 is placed on and supported by the support frame 51. More precisely, the fuel tank 11 is arranged across the support frame 51 and the horizontal frame 53 .
  • the fuel tank 11 is fastened to the frame 5 with a fastening band 103 such as a metal band.
  • a fastening band 103 such as a metal band.
  • One end of the fastening band 103 is held by the stay 6 provided on the support frame 51 , and the other end of the fastening band 103 is held by the horizontal frame 53 .
  • the fuel tank 11 is arranged at a position overlapping the vertical frame 54 in the left-right direction D3. Therefore, the vertical frame 54 is positioned below the fuel tank 11 .
  • the separate fuel tank 12 is arranged on the support frame 51 on the left side of the fuel tank 11 and is supported by the support frame 51 in the same manner as the fuel tank 11 . More strictly speaking, even if it is in the separate fuel tank 12 , it is arranged across the support frame 51 and the horizontal frame 53 .
  • the separate fuel tank 12 is fastened to the frame 5 with fastening bands 104 and 105 such as metal bands. One ends of the fastening bands 104 and 105 are held by the support frame 51 and the other ends of the fastening bands 104 and 105 are held by the horizontal frame 53 .
  • the filter device 3 is arranged at a position between the support frame 51 and the rear frame 52 in the frame 5 and supported by the support frame 51 .
  • at least part of the filter device 3 needs to be between the support frame 51 and the rear frame 52 when viewed from above (planar view), and the entire filter device 3 is located between the support frame 51 and the rear frame 52. Fitting in between is not essential.
  • the filter device 3 is fixed to the stay 6 arranged in the support frame 51 at a position facing the rear frame 52 in the front-rear direction D2.
  • the filter device 3 is arranged on the back side (rear side) of the stay 6 and fixed to the stay 6 using fasteners such as bolts.
  • the filter device 3 when viewed from the top, the filter device 3 is arranged so as to protrude rearward from a position of the support frame 51 facing the rear frame 52 in the front-rear direction D2.
  • the stay 6 has a column portion 61 (see FIG. 7) having a length in the vertical direction D1 and a mounting plate 62 (see FIG. 7).
  • a hole for hooking the end of the fastening band 103 is formed in the column portion 61 , and by hooking one end of the fastening band 103 to this hole, the one end of the fastening band 103 is held by the stay 6 .
  • the mounting plate 62 is fixed to the upper end portion of the column portion 61 .
  • the mounting plate 62 is a part for fixing the filter device 3, and the filter device 3 is fixed to the stay 6 by fixing the filter case 31 of the filter device 3 to the mounting plate 62 with fasteners such as bolts. be done.
  • the mounting plate 62 is integrated with the column portion 61 by welding, but the present invention is not limited to this, and the mounting plate 62 may be seamlessly integrated with the column portion 61, for example.
  • the filter device 3 is fixed to the stay 6 that fixes the fuel tank 11 to the fuselage 40 . Therefore, compared with the case where a member for fixing the filter device 3 is provided separately from the stay 6, the number of parts can be reduced, and the fuel supply device 10 can be arranged in a space-saving manner.
  • the piping system 2 is appropriately fixed to the frame 5 .
  • the piping system 2 such as the first feed pipe 21, the second feed pipe 22, the feed pump 23, the third feed pipe 24, the first return pipe 25 and the second return pipe 27 is connected to the frame 5 It is preferably arranged above the frame 5 rather than below the .
  • the piping system 2 By arranging the piping system 2 on the frame 5, for example, even if the bottom of the machine body 40 touches the ground due to sinking of the machine body 40 in a field, the first feed pipe 21 and the second feed pipe
  • the piping system 2 such as 22 can be protected by the frame 5 .
  • the filter device 3 is arranged on the side opposite to the center C1 of the airframe 40 with respect to the fuel tank 11 when viewed from above (planar view). Particularly in this embodiment, the filter device 3 is arranged behind the fuel tank 11 . Therefore, if it is from the rear of the fuselage 40, it becomes easy to access the filter device 3 without the fuel tank 11 becoming an obstacle.
  • the filter housing chamber 33 is accessed from below, as shown in FIGS. Chamber 33 is accessible. That is, in this embodiment, the filter device 3 is arranged at a position between the support frame 51 and the rear frame 52 in the frame 5 . Therefore, the opening surface (lower surface) of the filter case 31 faces the gap between the support frame 51 and the rear frame 52, and the user can insert his hand into the filter housing chamber 33 from below through this gap. .
  • the gap between the support frame 51 and the rear frame 52 has a dimension that allows the user's hand to pass through and the filter accommodated in the filter accommodation chamber 33 to pass through.
  • the airframe 40 includes a support frame 51 that supports the fuel tank 11 and a rear frame 52 that is arranged behind the support frame 51 along the support frame 51 .
  • the filter device 3 has a filter storage chamber 33 accessible from below through a gap between the support frame 51 and the rear frame 52 .
  • the filter device 3 can be arranged efficiently. Furthermore, since this gap is used to access the filter storage chamber 33 of the filter device 3, the filter in the filter storage chamber 33 can be replaced without removing (the filter case 31 of) the filter device 3 from the airframe 40. It becomes possible.
  • the filter device 3 is arranged behind the fuel tank 11 and at least partially facing the fuel tank 11 in the front-rear direction D2. be. That is, the positions of the filter device 3 and the fuel tank 11 in the left-right direction D3 overlap at least partially.
  • the filter device 3 and the fuel tank 11 have a positional relationship in which the positions in the horizontal direction D3 at least partially overlap when viewed from the front (seen from the front) or from the rear (seen from the rear).
  • the entire filter device 3 faces the fuel tank 11 in the front-rear direction D2. That is, the filter device 3 is arranged so as to fit within the width of the fuel tank 11 in the left-right direction D3.
  • the width in the left-right direction D3 occupied by the filter device 3 and the fuel tank 11 can be reduced, and the filter device 3 can be arranged compactly.
  • the fuel tank 11 has a recess 106 in part of one side surface. At least part of the filter device 3 is arranged in the recess 106 .
  • the recess 106 is provided in part of the rear surface 111 (see FIG. 10), which is one side surface of the fuel tank 11 . That is, the fuel tank 11 has a shape that is partially recessed at a recess 106 when viewed from above, and the filter device 3 is arranged in the recess 106 which is the recess.
  • the entire filter device 3 is arranged within the recess 106 , and at least a portion thereof may be arranged within the recess 106 .
  • the front end of the filter device 3 protrudes from the recess 106 . According to this configuration, when viewed from above, the area on the fuselage 40 occupied by the filter device 3 and the fuel tank 11 can be reduced, and the filter device 3 can be arranged compactly.
  • the fuel tank 11 has a shielding portion 107 as shown in FIG.
  • the shielding part 107 is located between the filter device 3 and the discharge port 481 which is provided in the machine body 40 and discharges the discharge generated in the threshing process.
  • shielding portion 107 has a shape that protrudes from a portion of one side surface of fuel tank 11 .
  • the recess 106 is provided on the right side of the rear surface 111 of the fuel tank 11 , and the left side of the rear surface 111 of the fuel tank 11 protrudes relative to the bottom surface of the recess 106 . Therefore, the left portion of the rear surface 111 of the fuel tank 11 protrudes rearward and functions as the shielding portion 107 .
  • the filter device 3 since the filter device 3 is provided at the rear end portion of the machine body 40, the filter device 3 is located near the discharge port 481 of the straw processing section 48 which is also provided at the rear end portion of the machine body 40. To position. Since the shielding portion 107 of the fuel tank 11 is positioned between the exhaust port 481 and the filter device 3 which are close to each other in this manner, the shielding portion 107 blocks the space between the exhaust port 481 and the filter device 3. . As a result, the waste (e.g. straw) discharged from the discharge port 481 is less likely to come into contact with the filter device 3, and the filter device 3 is protected from the waste.
  • the waste e.g. straw
  • FIGS. 8 and 9 the constituent elements of the machine body 40 mounted on the frame 5, such as the storage device 45 and the threshing section 43, are schematically shown by imaginary lines (double-dot chain lines).
  • the fuel supply device 10 includes a fuel tank 11 and a filter device 3 .
  • the fuel tank 11 is mounted on the body 40 of the work machine 4 and stores fuel.
  • the filter device 3 is mounted on the fuselage 40 and is inserted into the fuel supply path (piping system 2) to the power unit 46 of the work machine 4 to remove objects in the fuel.
  • the fuselage 40 includes a threshing section 43 and a grain tank 453 that are arranged in the left-right direction D3 across the virtual straight line VL1 when viewed from above.
  • the filter device 3 is arranged between the fuel tank 11 and the vertical conveying path 491 extending in the vertical direction of the discharge conveying path 490 for discharging the accumulated matter in the grain tank 453 when viewed from above.
  • Such an arrangement of the filter device 3 can be employed in addition to the above-described arrangement of the fuel tank 11 on the side opposite to the center C1 of the fuselage 40 when viewed from above. In other words, even if the filter device 3 is on the same side as the center C1 of the airframe 40 with respect to the fuel tank 11 when viewed from the top, if it is arranged between the vertical transport path 491 and the fuel tank 11 when viewed from the top. good.
  • the vertical transport path 491 is arranged behind the grain tank 453 .
  • the filter device 3 is arranged at a position that can be easily accessed from the outside of the airframe 40 . That is, when the user accesses the filter device 3 from the outside of the fuselage 40 , the filter device 3 is positioned between the vertical transport path 491 and the fuel tank 11 . It is less likely to be obstructed, and the user can easily access the filter device 3 . As a result, for example, without opening and closing the grain tank 453, the user can easily access the filter device 3, and maintenance labor for the filter device 3 can be saved.
  • the fuselage 40 includes the threshing section 43 and the grain tank 453 that are arranged in the left-right direction D3 across the virtual straight line VL1 when viewed from above.
  • the fuel tank 11 is arranged on the imaginary straight line VL1.
  • the fuel tank 11 is arranged at a position between the threshing part 43 and the grain tank 453 in the machine body 40 .
  • the fuel tank 11 only needs to be on the imaginary straight line VL1 that passes between the threshing part 43 and the grain tank 453, and the entire fuel tank 11 must fit between the threshing part 43 and the grain tank 453. is not.
  • At least a part of the fuel tank 11 should be located between the threshing part 43 and the grain tank 453 in the left-right direction D3 in top view (planar view). Thereby, the space between the grain tank 453 and the threshing section 43 can be effectively used.
  • FIG. 10 is a schematic trihedral view of the fuel tank 11 viewed from three directions. That is, FIG. 10 shows the fuel tank 11 in a "right side view” as seen from the right side, a “top view” as seen from above, and a “front view” as seen from the front. 10 shows the fuel tank 11 with the fuel cap 102 removed.
  • the fuel tank 11 is formed in a substantially rectangular parallelepiped shape having six sides: a rear surface 111, a front surface 112, a right side surface 113, a left side surface 114, an upper surface 115 and a lower surface 116.
  • the fuel tank 11 is long in the front-rear direction D2 so that the longitudinal direction is the front-rear direction D2.
  • the fuel tank 11 has the recess 106 in a portion (the right portion in this embodiment) of the rear surface 111, which is one side surface.
  • This recess 106 forms an arrangement space Sp1 for arranging at least part of the filter device 3 .
  • the fuel tank 11 has a shielding portion 107 on a portion of the rear surface 111, which is one side surface (the left portion in this embodiment).
  • the fuel tank 11 has a larger dimension in the vertical direction D1 at the rear than at the front. That is, as is clear from the "right side view" of FIG. 10, the fuel tank 11 has a rear portion (rear portion) in the longitudinal direction D2 whose dimension H1 in the vertical direction D1 is equal to that of the front portion (front portion). It is larger than dimension H2 in direction D1 (H1>H2). Moreover, by adopting a shape in which only the rear portion of the upper surface 115 of the fuel tank 11 protrudes upward, the height of the upper surface 115 in the front portion of the fuel tank 11 can be kept low. As a result, the volume of the fuel tank 11 can be increased at the rear portion of the fuel tank 11 while the height of the front portion of the fuel tank 11 is suppressed, and the volume of the fuel tank 11 can be easily improved.
  • a space Sp3 is secured above the front portion of the fuel tank 11.
  • the fuel tank 11 is less likely to get in the way.
  • the efficiency of maintenance of the work machine 4 can be improved.
  • the shape of the upper surface 115 of the fuel tank 11 is not limited to the above-described shape. good too.
  • the shape of the upper surface 115 of the fuel tank 11 is not limited to a shape in which the rear portion protrudes. Even in this case, the capacity of the fuel tank 11 can be improved while securing the space Sp3 above the fuel tank 11 to avoid the swing bearing 441 .
  • the fuel tank 11 has a lower surface recessed portion 108 in a portion of the lower surface 116 .
  • a piping space Sp2 in which piping is arranged is formed by a recess 108 on the lower surface.
  • the lower surface recessed portion 108 is provided at the right end portion of the lower surface 116 of the fuel tank 11 . That is, when viewed from the front, the fuel tank 11 has a shape in which the lower right corner is recessed by the lower surface recess 108, and the lower surface recess 108 serving as the recess secures the piping space Sp2.
  • the lower surface recessed portion 108 allows the second feed pipe 22 ( A piping space Sp ⁇ b>2 for passing the piping system 2 such as (see FIG. 4 ) is secured. Therefore, the piping system 2 can be arranged on the frame 5 while the fuel tank 11 is mounted on the frame 5, and the piping system 2 can be protected by the frame 5 even when the bottom of the fuselage 40 touches the ground.
  • the configuration related to the shape of the fuel tank 11 as described above can also be adopted alone. That is, regardless of the arrangement of the filter device 3, or even if the filter device 3 does not exist, the configuration related to the recess 106, the shielding portion 107, the bottom surface recess 108, and the dimensions (H1, H2) in the vertical direction D1 , the fuel tank 11 can be adopted.
  • the shape, dimensions, etc. of the fuel tank 11 and the filter device 3 are not limited to those described in the first embodiment.
  • the filter device 3 is not limited to a cylindrical shape, and may be, for example, a rectangular parallelepiped shape.
  • the fuel supply device 10 may have only one fuel tank (of the fuel tank 11). Conversely, the fuel supply device 10 may have three or more fuel tanks.
  • the configuration related to the shape of the fuel tank 11 as described above is not essential.
  • the fuel tank 11 does not employ at least one of the recesses 106, the shielding portions 107, the lower surface recesses 108, and the dimensions (H1, H2) in the vertical direction D1, the filter device 3 as described above may be used. Arrangement configurations are applicable.
  • the machine body 40 on which the fuel supply device 10 is mounted is not limited to the machine body 40 of the harvesting machine, and may be the machine body 40 of various working machines 4 other than the harvesting machine.
  • the threshing part 43, the grain tank 453, and the like are appropriately replaced with other components according to the working machine 4.
  • the arrangement of the fuselage 40 in the left-right direction D3 or the front-rear direction D2, including the arrangement of the fuel supply device 10, may be reversed from that of the first embodiment.
  • the grain tank 453 may be arranged on the left side of the threshing section 43 .
  • the filter device 3 can be positioned relative to the fuel tank 11 in a top view. is not essential to be arranged on the side opposite to the center C1 of the . That is, since the filter device 3 is arranged behind the fuel tank 11 , access to the filter device 3 is less likely to be blocked by the fuel tank 11 , making it easier for the user to access the filter device 3 . As a result, for example, without opening and closing the grain tank 453, the user can easily access the filter device 3, and maintenance labor for the filter device 3 can be saved.

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

Abstract

Un dispositif d'alimentation en carburant de machine de travail (10) est équipé d'un réservoir de carburant (11) et d'un dispositif de filtre (3). Le réservoir de carburant (11) est installé dans le corps de machine (40) d'une machine de travail (4), et stocke du carburant. Le dispositif de filtre (3) est installé dans le corps de machine (40), est inséré dans le trajet d'alimentation pour fournir du carburant à l'unité d'alimentation de la machine de travail (4), et élimine un matériau cible du carburant. Le dispositif de filtre (3) est positionné à l'opposé du réservoir de carburant (11) par rapport au centre du corps de machine (40) lorsqu'il est vu depuis une vue de dessus.
PCT/JP2021/046984 2021-01-20 2021-12-20 Dispositif d'alimentation en carburant de machine de travail et moissonneuse WO2022158210A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020237021875A KR20230134474A (ko) 2021-01-20 2021-12-20 작업 기계용의 연료 공급 장치, 및 수확 기계
CN202180090739.4A CN116761506A (zh) 2021-01-20 2021-12-20 作业机械用的燃料供给装置、以及收割机械

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Application Number Priority Date Filing Date Title
JP2021007194A JP2022111633A (ja) 2021-01-20 2021-01-20 作業機械用の燃料供給装置、及び収穫機械
JP2021-007194 2021-01-20

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WO2022158210A1 true WO2022158210A1 (fr) 2022-07-28

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JP (1) JP2022111633A (fr)
KR (1) KR20230134474A (fr)
CN (1) CN116761506A (fr)
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05270282A (ja) * 1992-03-23 1993-10-19 Yanmar Diesel Engine Co Ltd 走行作業車
JPH11113371A (ja) * 1997-10-17 1999-04-27 Yanmar Agricult Equip Co Ltd コンバイン
JP2013226091A (ja) * 2012-04-26 2013-11-07 Iseki & Co Ltd コンバイン
JP2014233214A (ja) * 2013-05-31 2014-12-15 三菱農機株式会社 コンバイン
JP2018019625A (ja) * 2016-08-02 2018-02-08 ヤンマー株式会社 コンバイン
JP2018139543A (ja) * 2017-02-28 2018-09-13 株式会社クボタ コンバイン
JP2020048454A (ja) * 2018-09-26 2020-04-02 井関農機株式会社 コンバイン

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05270282A (ja) * 1992-03-23 1993-10-19 Yanmar Diesel Engine Co Ltd 走行作業車
JPH11113371A (ja) * 1997-10-17 1999-04-27 Yanmar Agricult Equip Co Ltd コンバイン
JP2013226091A (ja) * 2012-04-26 2013-11-07 Iseki & Co Ltd コンバイン
JP2014233214A (ja) * 2013-05-31 2014-12-15 三菱農機株式会社 コンバイン
JP2018019625A (ja) * 2016-08-02 2018-02-08 ヤンマー株式会社 コンバイン
JP2018139543A (ja) * 2017-02-28 2018-09-13 株式会社クボタ コンバイン
JP2020048454A (ja) * 2018-09-26 2020-04-02 井関農機株式会社 コンバイン

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CN116761506A (zh) 2023-09-15
KR20230134474A (ko) 2023-09-21

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