WO2005036948A1 - コンバイン - Google Patents

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Publication number
WO2005036948A1
WO2005036948A1 PCT/JP2004/012077 JP2004012077W WO2005036948A1 WO 2005036948 A1 WO2005036948 A1 WO 2005036948A1 JP 2004012077 W JP2004012077 W JP 2004012077W WO 2005036948 A1 WO2005036948 A1 WO 2005036948A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
straw
plate
sorting
threshing
Prior art date
Application number
PCT/JP2004/012077
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Akira Miyamoto
Hitoshi Samuraki
Masaaki Oda
Toshinori Kirihata
Yasufumi Ueta
Junya Sakata
Original Assignee
Yanmar Co., Ltd.
Seirei Industry Co., Ltd.
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 Yanmar Co., Ltd., Seirei Industry Co., Ltd. filed Critical Yanmar Co., Ltd.
Priority to JP2005514712A priority Critical patent/JP4528724B2/ja
Priority to KR1020067006105A priority patent/KR101110976B1/ko
Priority to CN2004800281442A priority patent/CN1859839B/zh
Publication of WO2005036948A1 publication Critical patent/WO2005036948A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/30—Straw separators, i.e. straw walkers, for separating residual grain from the straw
    • A01F12/32—Straw separators, i.e. straw walkers, for separating residual grain from the straw with shaker screens or sieves
    • A01F12/34—Sieve elements; Linings for shakers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/30—Straw separators, i.e. straw walkers, for separating residual grain from the straw

Definitions

  • the present invention relates to a combine that transports a harvested grain culm to a threshing unit, threshed and sorted kernels are stored in a dren tank, and waste is discharged outside the machine.
  • a chop sieve comprising a plurality of chaff fins
  • the chaff sheave sorts processed products such as grains and straw chips flowing down from the threshing unit.
  • a technique is known in which grains are leaked downward and straw waste is sent to the rear of the chaff sieve. (For example, see Patent Document 1.)
  • the swinging body of the selecting section is pivotally supported by a pivot shaft so that the entire swinging body can swing, and the rear portion of the swinging body is connected to a swing drive shaft such as a crankshaft or an eccentric shaft.
  • a swing drive shaft such as a crankshaft or an eccentric shaft.
  • the discharge guide In the lower fan casing, if the discharge guide is configured to be long downward, it will be obstructive when pulling it out rearward, such as when maintaining the swing sorting device, and it will be necessary to remove it. Was troublesome.
  • Patent Document 1 JP 2001-45853 A
  • Patent Document 2 JP 2003-180150 A
  • a suction net disposed below the drum of the threshing unit and above the swinging sorting device of the sorting unit, and behind the receiving net and an extension thereof.
  • a sieving device was provided, and a guide member was provided between the receiving net and the sieving device.
  • the sieving apparatus comprises an oscillating body and an oscillating driving member, and is provided with a curved guide member projecting downward from a side portion of the oscillating body.
  • a rear flow tray plate is provided integrally with the swing sorting device below a rear portion of the swing sorting device and above a second conveyor. is there.
  • a rear flow plate is provided diagonally above and behind the second fan above the second conveyor and between the left and right side plates of the oscillating sorting device.
  • a suction fan is provided at the rear of the threshing equipment to discharge waste chips, dust, etc. generated in the threshing section and sorting section from the machine, and the suction is provided below the suction fan and above the second conveyor.
  • a rear flow grain plate was provided at a position where the suction air from the fan did not act.
  • the suction hole is provided on an upper surface of the fan casing.
  • a guide body opened upward was provided around the suction hole.
  • the lower guide plate of the fan casing is connected to the front guide plate and the rear guide plate.
  • the front guide plate and the rear guide plate are connected to each other with a hinge connecting the front guide plate and the rear guide plate.
  • the rear guide plate extends obliquely rearward and downward, and the rear guide plate is rotatable forward and upward with the hinge as a fulcrum. is there.
  • a sieving device is provided below the handling cylinder of the threshing unit and above the swinging sorting device of the sorting unit, between the receiving net and the suction fan arranged rearward on the extension of the receiving net. Between By providing a guide member to the sifter, it can be sent to a sieving device that does not clog the grains and straw chips flowing down from the threshing unit. As a result, the grains and straw waste are sorted by the sieving device, and the straw waste does not fall on the chaff sieve of the rocking sorting device. Even if is a wet material, the sorting process can be sufficiently performed.
  • the sieving device is composed of an oscillating body and an oscillating drive member, and is provided with a curved guide member protruding downward from a side portion of the oscillating body.
  • the guide member comes into contact and slides on the chaff sheave. As a result, the sieving device is not rotated out of the way and maintenance is improved.
  • the rear flow grain plate is provided integrally with the swing sorting device above the second conveyor, the rear flow grain plate can be assembled to the main body together with the swing sorting device. Since both are rocked, the wind direction of the sorting wind can be deflected to widen the wind selection range.
  • a rear flow plate is provided diagonally above and behind the second fan above the second conveyor and between the left and right side plates of the swinging sorter, so that the sorting wind blown from the second fan is provided.
  • the air is blown toward the processing object that falls from the sifter, grain sieve, straw rack, etc., and air can be selected, and the space below the rear flow board generates wind heading toward the second conveyor.
  • it is possible to smoothly introduce relatively light specific grains and grains such as spike sticking grains and ear cutting grains to the second conveyor, thereby reducing loss.
  • a rear flow plate is provided below the suction fan and above the second conveyor at a position where the suction air of the suction fan does not act, a second wind separates from the Karin 32 to the suction fan.
  • the rear flow plate guides only the sorting wind from the fan, so that the sorting wind of the second fan can be guided in the desired direction without being affected by the sorting wind of the suction fan. Performance can be improved.
  • the suction hole is provided on the upper surface of the fan casing and the guide body having an open top is provided around the suction hole, dust accumulated near the outside of the fan casing of the suction fan can be removed.
  • the suction fan can also discharge fine dust and the like generated in the processing chamber where only the large straw chips conveyed to the rear of the chaff sheave are mixed. As a result, new dynamics The frequency of maintenance on the upper surface of the fan casing can be reduced without requiring any force.
  • the lower guide plate of the fan casing is composed of a front guide plate, a rear guide plate, and a hinge connecting the front guide plate and the rear guide plate, and the rear guide plate extends obliquely rearward and downward. Since the guide plate is rotatable forward and upward with the hinge as a fulcrum, the lower guide plate does not become an obstacle when removing the swing sorting device, making it easy to attach and detach the swing sorting device from the body of the machine. As a result, the maintainability of the swing sorting device can be improved. Also, even if you forget to lower the rear guide plate, it will automatically return to the original position by the wind pressure of the suction fan, so it will not hinder the discharge of straw and dust.
  • FIG. 1 is an overall left side view of a combine according to an embodiment of the present invention.
  • FIG. 2 is an overall plan view of the combine.
  • FIG. 3 is an overall right side view of the combine.
  • FIG. 4 is a schematic left side view of a threshing unit and a sorting unit.
  • FIG. 5 is a schematic diagram showing a power transmission path from an engine to a discharge auger.
  • FIG. 6 is a front view of the bottom of the Glen tank.
  • FIG. 7 is a plan view of the bottom of a dren tank.
  • FIG. 8 is a partial perspective view of a Spotify tank.
  • FIG. 9 is a front view of another form of a drain tank.
  • FIG. 10 is a partially enlarged view of FIG. 9;
  • FIG. 11 is a right side sectional view of a drain tank.
  • FIG. 12 is a rear side view of a threshing apparatus showing an example of arrangement of a sieving apparatus.
  • FIG. 13 is a rear side view of a threshing apparatus showing an example of arrangement of a sieving apparatus.
  • FIG. 14 is a plan view of a threshing apparatus showing an example of arrangement of a sieving apparatus.
  • FIG. 15 is a side view showing the structure of the sieving apparatus.
  • FIG. 16 is a perspective view showing the structure of a sieving apparatus.
  • FIG. 17 is a schematic right side view of a swing sorting device.
  • FIG. 18 is a perspective view of a swing sorting device.
  • FIG. 19 is a left side view showing the state of the sieving apparatus when the swing sorting apparatus is detached.
  • FIG. 20 is a rear left side view of a sorting unit.
  • FIG. 21 is a development view of a seal member.
  • FIG. 22 is a perspective view of a seal member.
  • FIG. 23 is a left side sectional view of a suction fan.
  • FIG. 25 is a perspective view of a suction guide body.
  • FIG. 26 is a perspective view of a lower guide plate.
  • FIG. 28 is a side view showing a pinching rod.
  • FIG. 30 is a side view showing the configuration of the feed chain frame.
  • FIG. 31 is a plan view showing a lock mechanism of the feed chain frame.
  • FIG. 32 is a side view showing the configuration of the rear part of the feed chain frame.
  • FIG. 33 is a partial cross-sectional plan view showing the locking device at the time of opening.
  • FIG. 36 is a front view showing a pre-guide.
  • FIG. 38 is a view showing the inheriting guide as viewed from the direction of arrow B in FIG. 37.
  • FIG. 39 is a view showing the inheriting guide as viewed from the direction of arrow C in FIG. 37.
  • FIG. 40 is a perspective view showing a configuration of a handling cylinder supply start end.
  • FIG. 43 is a front view showing a handling room.
  • FIG. 44 is a developed view showing a receiving network.
  • FIG. 45 is a front view showing the lower part of the handling cylinder.
  • FIG. 47 is a partial front cross-sectional view showing the front net retainer.
  • Garden 48 Plan view showing the left rear part of the combine.
  • FIG. 49 is a side view showing a straw conveying device.
  • FIG. 50 is a perspective view showing a pre-process side of the straw transport device.
  • FIG. 51 is a plan view showing a pre-process side of the straw conveying device.
  • FIG. 49 is a plan view showing the link mechanism seen from the direction of arrow E in FIG. 49.
  • Garden 53] is a side view showing the link mechanism as seen from the direction of arrow D in FIG. 49.
  • Garden 54 Side view showing the rear end of the straw transport chain.
  • FIG. 55 is a plan view showing the rear end portion of the straw transport chain.
  • FIG. 59 is a schematic view showing the flow of a sorting wind in a sorting unit.
  • a body frame 2 is mounted on the crawler type traveling device 1, and a mowing part 3 is provided at a front end of the body frame 2 so as to be able to move up and down.
  • the raising section 3 protrudes the weeding board 4 at the front end to sown the culm, raises a case 5 at the rear, and raises the case 5 by rotating the tine 6 protruding from the raising case 5.
  • the culm is raised, and the cutting blades 7 arranged at the rear of the weeding plate 4 are used to cut the root of the plant.
  • the grain culm removed is conveyed to the rear by an upper conveying device, a lower conveying device, and a vertical conveying device 8, and the root side of the culm conveying device 170 from the upper end of the vertical conveying device 8
  • the culm is transferred to the feed chain 9 and is conveyed to the threshing device including the threshing unit 20 and the sorting unit 30 through the handling cylinder supply start end 280.
  • a straw transport device 320 having a straw transport chain 10 is provided, and below the straw transport chain 10, a straw cutter device 321 and a diffusion conveyor are provided.
  • a straw processing section 11 is formed, which cuts the straw into straw pieces, and then uniformly discharges them to the field while spreading, or discharges them without cutting.
  • a drain tank 13 for storing sorted granules is provided on the side of the threshing unit 20, and an operator's cab 14 that covers the control unit is provided in front of the Glen tank 13. .
  • the driver's cab 14 is disposed on the right front side in the traveling direction.
  • a vertical auger 15a of the discharge auger 15 is erected at the rear of the drain tank 13, and the discharge auger 15 and the drain tank 13 can be turned sideways around the vertical auger 15a. By turning to the side, maintenance of the drive system and hydraulic system arranged inside the machine is facilitated.
  • a discharge conveyor 16 is disposed at the bottom of the Glen tank 13 in the front-rear direction.
  • the rear of the discharge conveyor 16 communicates with the lower part of the vertical auger 15a, and the discharge auger 15 extends from the rear of the discharge conveyor 16. Power is transmitted to the drain auger 15 so that the grains in the drain tank 13 can be discharged from the tip of the discharge auger 15 to a track or the like.
  • a sorting unit 30 is provided below the threshing unit 20, which sorts kernels from grains and straw wastes (hereinafter, referred to as "processed material") flowing down from the threshing unit 20, and removes the fines from the drain. It is transported to the tank 13, and the waste such as straw is discharged outside the machine or transported to the Spotify tank 13.
  • a driving force transmission path to the 60-power engine drain tank 13 and the discharge auger 15 will be described with reference to FIG.
  • a front output shaft 60a of the engine 60 is connected to an input shaft of a traveling mission case 61 for driving the crawler traveling device 1, and transmits a driving force to the crawler traveling device 1.
  • the rear output shaft 60b is fitted with a bully 62 for transmitting the driving force to the threshing unit 20 and the sorting unit 30, and a pulley 63 for transmitting the driving force to the drain tank 13 and the discharge auger 15.
  • the pulley 62 is connected via a V-belt 110 to an input pulley 109 fixed to an input shaft 108a protruding from the counter case 108, and a part of the driving force of the engine 60 is connected to the input shaft 108a of the counter case 108. Is transmitted.
  • the counter case 108 is capable of distributing an appropriate speed to each processing system, and is disposed on the left side of the engine 60 and in front of the threshing unit 20, as shown in FIG.
  • the front surface of the bottom of the drain tank 13 is located substantially behind the engine 60, and a drive case 64 serving as a drive unit is provided on the front front wall 13a of the bottom of the Glen tank 13. Then, the drive case input shaft 65 protrudes forward from the drive case 64 to the fuselage, and a pulley 66 is fitted to the front end of the drive case input shaft 65.
  • a V-belt 67 is wound around a pulley 63 fitted to the rear end of the rear output shaft 60b and a pulley 66 fitted to the front end of the drive case input shaft 65, and a part of the driving force of the engine 60 is provided. Is transmitted to the input shaft 65 of the drive case 64.
  • An auger clutch 68 also serving as a tension pulley for the V-belt 67 is provided between the pulley 63 and the pulley 66, and is configured to be able to transmit the drive force to the downstream side of the drive case 64 and shut off.
  • the drive case 64 houses spur gears 69a and 69b that engage with each other.
  • the spur gear 69a is externally fitted and fixed to the rear end of the input shaft 65 that is supported by the drive case 64.
  • the gear 69 b is externally fixed to a conveyor drive shaft 70, which is a rotary shaft fitted to the front end of the discharge conveyor 16.
  • a bevel gear 71 is fitted to the rear end of the discharge conveyer 16, and mates with a bevel gear 73 fitted to the lower end of a set of screw longitudinal feed conveyers 72 in the vertical auger 15a.
  • a bevel gear 74 is fitted at the upper end of the vertical feed conveyor 72, and a bevel gear 75 that mates with the bevel gear 74, an intermediate case 76 with a chain sprocket inside, and then a bevel gear 77, 78
  • the screw type lateral feed conveyor 79 in the discharge auger 15 is driven to rotate.
  • the grains stored in the drain tank 13 are conveyed rearward by the discharge conveyor 16, pass through the vertical auger 15a located behind the drain tank 13, and from the tip of the grain discharge auger 15 Emitted forcibly.
  • a drive case 64 is disposed in the lower front part of the Glen tank 13. Inside the drive case 64, in addition to the aforementioned spur gears 69a and 69b, a driven plate 81 and a rotation center axis of the driven plate 81 are provided. A drive shaft 82 and the like are provided. The driven plate 81 has one end fixed to the driving support shaft 82 and an elliptical cam hole 81a formed at the other end. On the other hand, a spur gear 69b and a disk-shaped eccentric cam 83 are externally fitted and fixed to the front end of a conveyor drive shaft (eccentric shaft) 70, which is the rotation shaft of the discharge conveyor 16, so that the respective disk surfaces are substantially parallel to each other.
  • a conveyor drive shaft (eccentric shaft) 70 which is the rotation shaft of the discharge conveyor 16, so that the respective disk surfaces are substantially parallel to each other.
  • the central axis of the board surface of the eccentric cam 83 does not coincide with the rotation axis of the conveyor drive shaft 70 (that is, the eccentric cam 83 is mounted eccentrically with respect to the rotation axis of the conveyor drive shaft 70).
  • the eccentric cam 83 is inserted into a cam hole 81a formed in the driven plate 81.
  • the drive pipe 84 is suspended in the front-rear direction of the drain tank 13, and its front end is fixed to the driving support shaft 82 and its rear end is fixed to the bottom rear wall surface 13 b of the drain tank 13. It is fitted to a pivot 85a rotatably supported by a support box 85 provided.
  • One ends of swing arms 86a and 86b are fixed to the front end and the rear end of the drive pipe 84, respectively.
  • the swing arms 86a and 86b are formed in an "L" shape in side view, and a penetrating shaft 87 is provided between the other ends.
  • the drive pipe 84, drive shaft 82 and pivot shaft 85a are integrated It can be configured in a typical manner.
  • a movable plate 88 is pivotally supported on the through shaft 87.
  • the movable plate 88 is composed of a plurality of, in this embodiment, four pieces of fluffing plates 89, 89, 89, 89 divided into four in the front-rear direction, and each flouring plate 89 is an elastic synthetic resin member. It prevents damage to the grain due to the impact of falling and friction when sliding down.
  • a boss 89a is formed at the lower end portion of each of the flocking plates 89, and a through shaft 87 is penetrated through the boss portion 89a, so that the flocking plate 89 is rotatable about the through shaft 87 as a rotation center. Supported.
  • the running-grain plates 89, 89, 89, 89 are arranged side by side without any gap between the swinging arms 86a and 86b. Is configured.
  • the through shaft 87 that penetrates the swing arms 86a and 86b is prevented from coming off by inserting pins 90 into holes provided at both front and rear ends.
  • the movable plate 88 connected to the swing arms 86a and 86b in this manner has a small inclination angle among the bottom surfaces 13c'13d'13e forming a substantially valley-shaped bottom portion of the Glen tank 13 when viewed from the front. It is placed on the bottom surface 13e with the largest area to be swung.
  • the lower portion of the bottom surface 13e is formed in a stepped shape, and the boss portion 89a of the drifting plate 89 is arranged in the upper space on the side of the discharge conveyor 16 in the downwardly concave step portion 13f at the lower portion thereof.
  • the boss 89a does not become an obstacle when the particles flow down from the movable plate 88 toward the discharge conveyor 16, and does not become a hindrance when swinging the flowing plate 89. You.
  • a holding plate 91 is attached to the left wall surface 13g of the drain tank 13 so as to abut on an upper surface end of each of the upper flow trays 89 opposite to the end where the boss portion 89a is formed. It has been.
  • the holding plate 91 is formed by bending a rear-viewing plate body into an “H” shape, fixing one to the wall surface 13g, and placing the other on the end in conformity with the surface of the running plate 89, and It is configured to be longer than the swing width of the plate 89.
  • the holding plate 91 presses the movable plate 88 downward so that the movable plate 88 does not float up when the movable plate 88 swings, and also holds the upper edge of the movable plate 88 and the left wall surface of the drain tank 13.
  • the gap between 13g is surely closed.
  • the grains flowing down in the drain tank 13 are allowed to flow from the holding plate 91 onto the moving plates 88 and 89 of the movable plate 88 toward the discharge conveyor 16 so that the falling particles 89 and the bottom surface 13e are separated. There are no grains between them. As shown in FIG.
  • an umbrella-shaped conveyor force bar 92 is disposed substantially above the discharge conveyor 16, and has both longitudinal ends at the bottom front wall surface 13 a and the bottom front wall 13 a of the drain tank 13. And is fixed to the bottom rear wall 13b.
  • the drain tank 13 operates the discharge conveyor 16 to discharge the grains
  • the flow of the grains flowing down in the Glen tank 13 is divided into right and left by a conveyor cover 92 in a front view, and the grains are transferred to the discharge conveyor 16. Since the load of the grains is not applied directly from above, it is possible to reduce the load on the discharge conveyor 16 and damage to the grains.
  • the conveyor drive shaft 70 rotates, the discharge conveyor 16 is driven to rotate, and the eccentric cam 83 also rotates.
  • the end face of the eccentric cam 83 and the end face of the elliptical cam hole 81a formed in the driven plate 81 abut, and the driven plate 81 is centered on the driving support shaft 82 supported by the driving case 64. Swing right and left.
  • the swing arms 86a and 86b projecting substantially below the front and rear ends of the drive pipe 84 fitted to the drive support shaft 82 also swing left and right about the drive support shaft 82.
  • the movable plate 88 connected to the moving arms 86a and 86b via the penetrating shaft 87 also swings in the direction of inclination along the bottom surface 13e having a gentle inclination toward the discharge conveyor 16.
  • the boss 89a is formed at the end of the movable plate 88 (running board 89), and the boss 89a is installed between the swing arms 86a and 86b. Since the movable plate 88 and the swing arm 86a'86b are connected through the penetrating shaft 87, a connecting member such as a hinge is required to connect the movable plate and the swing arm as in the conventional case. Thus, the number of parts and the weight can be reduced. In addition, since there is no longer any fastening part using bolts or the like, it is possible to improve reliability without having to worry about the movable plate coming off the swing arm.
  • the upper movable plate 93 is disposed on the inclined surface 13h at the bottom of the upper bulging portion (increase tank) and is oscillated, so that the inclination of the inclined surface 13h is relaxed.
  • the volume of the drain tank 13 can be further increased.
  • the upper swing arm 94a (94b) and the lower The swing arm 86a (86b) is interlocked and connected via a link mechanism. That is, one end of the link 95 is pivotally supported in the middle of the swing arm 86a (86b), and the other end of the link 95 extends to the upper left, and is arranged on both sides below the upper bulging portion.
  • the upper swing arm 94a (94b) and the lower swing arm 86a (86b) are interlockingly connected to the swing arm 94a (94b) at the middle part thereof.
  • a support shaft 96 is suspended below the inclined surface 13h in the front-rear direction of the drain tank 13, and one end of a swing arm 94a'94b is fixed to a front end and a rear end of the support shaft 96. I have.
  • the swing arms 94a * 94b are supported so as to be rotatable about a support shaft 96 as a center of rotation.
  • a lower portion of the movable plate 93 is pivotally connected to the other end of the swing arm 94a′94b via a through shaft 97.
  • the upper movable plate 93 is composed of a plurality of fluffing plates 98 made of an elastic synthetic resin member, and a boss 98 a formed on each fluffing plate 98 is pivotally supported by the through shaft 97. Then, it is formed into a substantially rectangular shape which is long before and after.
  • the upper movable plate 93 is placed on the inclined surface 13h at the bottom of the increasing tank, and the upper surface end of the flocking plate 98 on the opposite side to the end on which the boss 98a is formed. It is brought into contact with the holding plate 9 9.
  • the falling plate 98 is held down by the holding plate 99 so that the grains enter the gap between the movable plate 93 and the inclined surface 13h so that the floating plate 98 does not rise. It does not hinder the rocking of the plate 93 or damage the grains.
  • the grains are easily flown by the swing of the upper movable plate 93, so that even if the grains are wet material, The adhesion of grains can be prevented, and the remaining grains can be reduced. Therefore, the slope 13h can be made gentle without having to make a steep slope, and the volume of the drain tank 13 can be further increased by that much.
  • the total height of the drainage tank and the frying conveyor for feeding the grains into the Glen tank is suppressed without changing the volume of the drainage tank without increasing the volume, and the grain is fully filled.
  • the grains should be charged from the side wall of the drain tank, and the grains should be placed farther from the grain inlet in the drain tank first. It is desirable that when the grains stored in the dren tank are full, the space above the dren tank (grained portion, part) is only near the grain input port. This means that the Spotify tank then drills a grain inlet in the upper left corner of the inner wall so that the grains fed from the conveyor can be deposited first from the front and right side of the Spotify tank. Is configured.
  • the filling rate indicates the ratio of the bulk volume occupied by the crops in the drain tank when the empty volume in the empty tank is 100%.
  • the grain accumulation surface (the surface that forms the boundary between the upper space of the Spotify tank and the uppermost part of the kernel) of the kernel that has been injected from the kernel inlet and dispersed and flowed to various parts in the Spotify tank is defined as a standard. It will not be parallel to the horizontal plane (the plane perpendicular to the direction in which gravity acts), and will be formed with a predetermined deposition angle (the angle between the deposition plane and the reference horizontal plane).
  • the harvest detecting means for example, a plurality of Spotify sensors consisting of electrostatic volume sensors for detecting the presence or absence of grains in the vicinity are arranged in the Spotify tank. As shown in the drawing, a predetermined interval is In this case, an error occurs between the amount of stored kernels and the actual amount of stored kernels detected by the Spotify sensor.
  • a grain inlet 100 is formed in the upper left corner of the rear inner wall 1 mm of the drain tank 13 to communicate the drain tank 13 and the lifting conveyor 44.
  • the first drain sensor 101, the fourth drain sensor 104, and the fifth drain sensor 105 are provided at predetermined intervals in the vertical direction on the rear inner wall surface below the grain inlet 100 on the grain inlet side of the drain tank 13 at the grain inlet side.
  • a full-grain sensor 106 is provided below the grain inlet 100.
  • a second Nigren sensor 102 and a third Spotify sensor 103 are provided at predetermined intervals in the vertical and front-rear directions on the inner side surface of a hatch 107 that closes a maintenance opening provided on the left side surface (inside the fuselage) of the Glen tank 13. ing.
  • the first Nigren sensor 102 is arranged on the front side of the hatch 107
  • the third Spotify sensor 103 is arranged on the rear side.
  • a total of five electrostatic volume sensors are used as the crop detecting means.
  • the type, number, mounting position, etc. of the sensors used as the crop detecting means are not limited thereto. Not something.
  • the position force of the Glen sensors 101, 102, 103, 104, and 105 is accurate, and the position is determined according to the corresponding deposition surface.
  • the amount of stored grains in the drain tank 13 substantially matches the actual amount of storage, making it possible to detect the filling rate of grains more accurately, and increasing the filling rate to reduce the capacity of the drain tank 13. Can be fully utilized. Further, since the Nigren sensor 102 and the third durometer 103 are arranged on the inner side surface of the hatch 107, maintenance is easy.
  • the handling room 21 formed in the threshing unit 20 has a substantially cylindrical shape suspended in the longitudinal direction of the fuselage.
  • a handling cylinder 22 is provided, and handling teeth 22a'22a '''' are implanted on an outer peripheral surface of the handling cylinder 22.
  • a semicircular receiving net 23 is provided around the lower part of the handling cylinder 22 so as to be detachable.
  • the root side of the cereal rod is restrained by the feed chain 9
  • the leading end side of the cereal rod is inserted below the handling cylinder 22, and the cereal culm is transported to the rear of the machine.
  • the shedding of the grains is performed by the rotation of the handling cylinder 22, so that grains, straw chips, and the like leak from the receiving net 23.
  • a dust valve 24 is provided on the inner peripheral surface of the handling chamber cover 21 a covering the handling chamber 21 at appropriate intervals in the left-right width direction, and is rotatable around a vertical fulcrum. It is pivoted to. By rotating the dust feed valve 24, the time required for the grain stalk to move in the handling room 21 can be adjusted according to the variety of the grain stalk and the state of the grain stalk.
  • a processing chamber 25 is formed from the side of the rear part of the handling cylinder 22 (on the side of the drain tank 13, in the present embodiment, on the right side in the machine traveling direction) to the rear, and a processing chamber 25 is formed substantially inside the processing chamber 25.
  • the dust discharge port processing cylinder 26 formed in a cylindrical shape is horizontally and axially supported on the rear side of the handling cylinder 22 so as to be parallel to the handling cylinder 22.
  • the front (left side) of the processing cylinder case that covers the dust outlet processing cylinder 26 to form the processing chamber 25 is formed from the side of the rear part of the handling cylinder 22 (on the side of the drain tank 13, in the present embodiment, on the right side in the machine traveling direction) to the rear, and a processing chamber 25 is formed substantially inside the processing chamber 25.
  • the dust discharge port processing cylinder 26 formed in a cylindrical shape is horizontally and axially supported on the rear side of the handling
  • a dust outlet 27 is opened on the side, and the handling room 21 and the processing room 25 are communicated.
  • a semicircular treated lug net 28 is provided so as to cover the periphery of the lower part of the dust outlet processing lumber 26. In this way, unprocessed materials such as spike sticking particles that could not be processed by the handling cylinder 22 are conveyed into the processing chamber 25 through the dust outlet 27 and processed, and the holes (mesh) provided in the processing drum network 28 are formed. , So that only the processed material leaks.
  • a blade body 26a formed of a long plate body in the front and rear direction is fixed on the outer peripheral surface of the rear end portion of the dust port processing cylinder 26, a blade body 26a formed of a long plate body in the front and rear direction is fixed.
  • the blade 26a rotates integrally with the dust port processing cylinder 26, and the straw waste conveyed to the rear of the processing chamber 25 by the dust port processing cylinder 26 is rebounded by the rotation of the blade 26a. Then, the air is discharged below the dust outlet processing cylinder 26 and guided to the outside of the machine body by a guide plate (not shown).
  • a dust transport conveyor 29 is suspended in the front-rear direction.
  • the dust transport conveyor 29 is a screw-type conveyor, and the processed material that has fallen downward through the holes (mesh) provided in the processing drum network 28 by the dust transport conveyor 29 is transferred to the front of the machine body. (I.e., in the direction opposite to the direction of conveyance of the dust port processing cylinder 26). Then, it is re-introduced into the sorting unit 30 from a dust discharging roller 29a provided at the front end of the dust transporting conveyor 29.
  • An outlet partition plate 52 is provided behind the handling cylinder 22, and a sieving device 120 is provided below the outlet partition plate 52 and on the extension of the handling cylinder receiving net 23 behind.
  • a sieving device 120 is provided below the outlet partition plate 52 and on the extension of the handling cylinder receiving net 23 behind.
  • an outlet partition plate 52 is formed with a culm 52a, and the outlet partition 52 is formed in a shape surrounding the culm opening 52a.
  • An exit partition plate 52 also exists below.
  • the sieving apparatus 120 is attached to a portion of the outlet partition plate 52 located below the culm 52a.
  • the sieving device 120 is disposed between the handling cylinder 22 and the suction fan 40 in a side view, on the side of the dust outlet processing cylinder 26, and above the rocking sorting device 31 provided with the chaff sheave 38. It is set up. And, the sieving device 120 is disposed immediately behind the lower rear end of the handling cylinder 22, and is located where the sorted wind that has passed through the air path below the handling cylinder 22 exits to a wider air path.
  • the receiving net 23 is fixed and fixed.
  • the sieving device 120 is mounted on the frame 23a. However, in this case, since the sieving device 120 is located immediately below the rear end of the handling cylinder 22, clogging may occur between the handling cylinder 22 and the sieving device 120. . Therefore, a guide member 121 is provided on a frame 23a that rotatably supports the sieving apparatus 120, and the guide member 121 enables the processed material to be guided to the sieving apparatus 120 without clogging.
  • the guide member 121 has substantially the same lateral width as the sieve plate 122, is fixed to the upper part of the support member 123 in a state inclined backward and downward, and immediately behind the rear end of the handling drum 22.
  • the guide member 121 and the sieve plate 122 are extended to the vicinity, and are configured to be positioned substantially on a straight line.
  • the sieving device 120 is mounted on the body and rocked by the rocking body, and is mounted on the rocking sorting device 31 and is mounted on the rocking sorting device 31.
  • the rocking body is composed of a rocking drive member, and the rocking body is provided on a support member 123 having a U-shape in plan view fixed to a frame 23a (in the case shown in FIG. 4, an outlet partition plate 52). It comprises a base 124 pivotally supported (rotated) by 3a, a comb-shaped sieve plate 122 attached to the upper surface of the base 124, and an arm 125 extending rearward from the base 124. It has been done.
  • the arm 125 is fixed to the left end of the base 124 and is arranged in parallel with the sieve plate 122 at a predetermined interval.
  • the upper end 125a of the arm 125 is configured to also serve as a sieve wire.
  • guide members 125b and 125c On the left side surface of the arm 125, guide members 125b and 125c that are arranged vertically apart from each other and separated by a diameter of a roller 126a, which will be described later, protrude laterally.
  • the guide members 125b and 125c are formed by bending in a "H" shape when viewed from the side, and are configured so that the rear side is opened in a vertical direction.
  • a guide member 125d is fixed below the guide members 125b 'and 125c.
  • the guide member 125d is curved so as to protrude downward and is formed in a sled shape, and is arranged such that the lowermost position is located below the arm 125.
  • the swing driving member is supported by a stay 126 having a substantially triangular shape in a side view and having a lower portion fixed to the left side plate 31 L of the swing sorting device 31, and is pivotally supported inside the upper side surface of the stay 126.
  • the roller 126a has a force
  • the roller 126a has a force S which is slidably fitted between the guide of the arm 125 and the genius 125b.125c.
  • the roller 126a attached to the rocking and sorting device 31 rocks substantially up and down due to the rocking of the rocking and sorting device 31, and receives the rocking of the roller 126a.
  • the base 124 of the sieving device 120 swings through the arm 125, that is, the sieving device 120 swings.
  • the guide member 121 can guide the processed material to the sieving device 120 without clogging. That is, even if the attachment position of the sieving device 120 is changed according to the shape of the outlet partition plate 52, the guide member 121 is provided between the receiving net 23 and the sieving device 120, so that the With minute device 120 It is possible to effectively use the sieving device 120 that does not hinder the swinging of the sieving plate 122 that prevents culm and straw debris from being clogged in between. Therefore, even when a large amount of grains are conveyed to the sieve 38 at one time, or when the grains are wet material, the sorting process can be sufficiently performed.
  • the swing sorting device 31 is housed in a machine frame 33.
  • the front end of the swinging sorter 31 extends below the front end of the handling cylinder 22, and the rear end of the swinging sorter 31 extends below the rear end of the dust outlet treatment cylinder 26.
  • the front-to-back length of the dynamic sorting device 31 is determined.
  • a swing shaft (not shown) is provided at a lower portion in front of the swing sorting device 31, and a swing drive mechanism 34 is provided at a rear portion, and the swing sorter 31 is mounted on the machine frame 33 by the swing drive mechanism 34. It is configured to swing with respect to.
  • a fuel tank 59 (see FIG. 20) is disposed below and below the swing drive mechanism 34.
  • a upstream grain board 35 is provided, and a downstream grain board 36 is provided below and below the upstream grain board 35.
  • the front and rear drifting plates 35 and 36 are formed by corrugating plate-like members, and the processed material (mixture with grains and straw wastes) that has passed through the receiving net 23 is the front and rear drifting plates 35 and 36.
  • a mesh-shaped grain sieve 37 which is a second sorting unit, is continuously provided, and above the grain sieve 37 and the downstream grain plate 36 and behind the upstream grain plate 35.
  • the chaff sieve 38 is equipped with the first sorting unit, the chaff sieve 38. Behind the chaff sheave 38, a straw rack 39 is provided, and below the straw rack 39, a rear tray 50 is provided.
  • the chaff sheave 38 is composed of a plurality of chaff fins 38 a ′ 38 a ′.
  • the chaff fins 38 a ′ 38 a ′ are capable of adjusting the opening degree of the chaff fins 38 a ′ 38 a ′.
  • the upper and lower ends of the chaff fins 38a '38a'" are pivotally supported by the swinging and sorting device 31, and are pivotally connected to the swinging plates 131 provided on the left and right sides of the chaff sheave 38, The other end is connected to the sliding plates 132 provided
  • the oscillating plate 131 is oscillated integrally with the oscillating sorting device 31, and an adjusting lever 133 is pivotally connected to the sliding plate 132, and a wire 134 connected to the adjusting lever 133 is relaxed or pulled. As a result, the sliding plate 132 is slid back and forth.
  • the adjustment lever 133 is urged by a spring 135 provided on the opposite side of the wire 134 in such a direction as to make the inclination angle of each chaff fin 38a '38a'"smaller (to lie down).
  • the sliding of the sliding plate 132 changes the angle of the chaff fins 38a, 38a, ..., so that when the inclination angle of the chaff fins 38a, 38a, When the inclination of each chaff fin 38a '38a' ⁇ ⁇ is made small (to lie down), the opening of the chaff sieve 38 is made small to reduce the amount of grain leakage. Make up.
  • the adjusting lever 133, the wire 134, and the spring 135 are provided inside the swing sorting device 31.
  • the spring 135, an adjuster 136 capable of adjusting its length, and an auta receiver 137 are arranged at the left rear inside the rocking sorter 31, and the upper side and the side are separated from the dust collector S. It is covered with a force bar 138 made of an elastic member such as a rubber plate. This makes it possible to adjust the length of the spring 135 from the rear of the fuselage, thereby improving maintainability.
  • a panel for biasing the adjustment lever of the sheave is arranged between the swing sorting device and the machine frame.Therefore, a certain interval must be secured between the swing sorting device and the machine frame.
  • the panel 135 is disposed inside the swing sorting device 31, the left and right widths of the swing sorting device 31 are set to the machine frame 33. On the other hand, it can be made as large as possible. Therefore, the sorting width can be effectively used to improve the sorting performance.
  • the rocking and sorting device 31 configured as above rotates the rear cover upward, and rotates the rear side around the left and right sides of the straw processing unit 11 to thresh.
  • a guide frame 141 is provided on the left and right sides of the machine frame 33 that supports the swing sorting device 31, and the swing sorting device 31 is moved in the front-rear direction by the swing drive mechanism 34.
  • the front and rear swing rollers 142 ⁇ 1 and 43 provided at the lower portion of the swing sorting device 31 slide on the guide rail 141, so that the swing sorting device 31 smoothly moves back and forth. It swings.
  • detachable rollers 144 and 145 are provided between the front end portion of the swing sort device 31 and the front and rear swing rollers 142 and 143.
  • the swing rollers 142 and 143 and the detachable rollers 144 and 145 can be used.
  • the swinging and sorting device 31 is inserted into the machine frame 33 by sliding the detachable rollers 144 and 145 on the guide rail 141, the swinging and sorting device 31 swings forward as the swinging and sorting device 31 is moved forward.
  • the moving rollers 142 and 143 slide on the guide rail 141, and the work of attaching and detaching the swing sorting device 31 is simplified.
  • seal members 151 and 152 are disposed between the swing sorting device 31 inserted into the machine casing 33 and the machine casing 33.
  • the seal member 151 is formed of an elastic member such as a rubber plate having a width substantially the same as the front and rear width of the side plate 31L (31R) of the swing sorting device 31, and a lower end portion thereof is formed at an upper edge of the side plate 31L (31R). It is fastened, and the upper end is in contact with the machine frame 33 to seal the gap between the swing sorting device 31 and the machine frame 33.
  • the seal member 152 is attached to the side plate 31L (31R) of the swing sorting device 31 in the vicinity of the second recovery portion 47 so as to incline rearward.
  • the seal member 152 is formed in an inverted T-shape from an elastic member made of a rubber plate or the like, and is provided with a plurality of holes on both left and right sides in the longitudinal direction for passing a fastening member.
  • the parts 152a and 152b are configured.
  • the seal member 152 is bent at the center in the short direction and overlapped twice, and in this state, the mounting portions 152aL ′ 152aR and the mounting portions 152bL ′ 152b R further swing.
  • the mounting portion 76aL'76aR is fastened to the side plate 31L (31R) of the swinging sorting device 31, and the mounting portion 152bL (152bR) of the mounting portion 152bL '152bR is machined.
  • the mounting portion 152bR (152bL) is fastened to the seal member 153 mounted on the rear surface of the swing sorting device 31.
  • the seal member 152 is arranged between the swing sorting device 31 and the machine casing 33, an empty space can be effectively used, and the swing sorting device 31 can be used. Interference with the machine frame 33 can be prevented. Further, since the sealing member 152 is used in a stacked state, it is possible to improve sealing performance and durability. Even if the apex 152c of the seal member 152 is worn by sliding on the machine frame 33, the sealed state can be maintained, and leakage can be prevented until replacement.
  • a karamino 32 is arranged below the rear part of the upstream grain plate 35 and below the front part of the downstream grain plate 36 of the rocking sorting device 31, so that the sorting wind is blown to the chaff sheave 38 and the grain sieve 37.
  • a duct is arranged at the intake port located on the side of the Karino 32, and the duct extends to the vicinity of the engine so that during sorting operation, warm air can be sucked in and blown to the sorting unit. Like that. In this way, when a moist crop due to morning dew, lodging, etc.
  • a second fan 43 is also provided between the first conveyor 41 and the second conveyor 42 as a sub-pumping fan to send the sorting wind, and the sorting unit where the wind of the sorting wind by Karino 32 is weakened. Even at the rear of 30, the sorting performance by wind sorting is not reduced.
  • a rear flow tray 50 is fixed diagonally forward and downward at the lower rear part between the left and right plates 31L 'and 31R of the swing sorting device 31.
  • the rear flow grain plate 50 is provided integrally with the swinging sorter 31, and the rear flow grain plate 50 is located below the fan case (lower guide plate 166) of the suction fan 40, In the area where the suction wind does not act, the rear flow board 50 is arranged. In other words, the rear flow board 50 is arranged in the wind path of the sorting wind from the second fan 43.
  • the sorting wind from the second fan 43 is guided by the rear flow grain plate 50 and can be discharged to the rear through the straw rack 39 without being affected by the sorting wind flowing from the Karino 32 to the suction fan 40. ing.
  • the second drops falling from the rear end of the chaff sieve 38 and the rear end of the Glen Sheave 37 are air-selected by the second fan 43, and heavy grains, spike-attached grains, immature grains, etc. are sorted by the rear flow grain plate 50, The immature grains and the like are discharged out of the machine by the wind, and the others flow down from the rear plate of the sorting device and are collected on the second conveyor 42.
  • the sorting air outlets of Karino 32 are provided at the upper two places and at the rear, and the first air path also forms the third air path.
  • the grains are discharged from the upper part of Karino 32 to the rear end of the upstream grain board 35, fall from the rear part of the upstream grain board 35 to the chaff sheave 38, and pass through the receiving net 23.
  • the grain and the culm received by the sieving device 120 are subjected to wind to roughly sort.
  • the second air duct discharges from the upper part of Karino 32 almost horizontally along the lower part of the chaff sheave 38, and selects the processed material falling from the chaff sheave 38 onto the wake grain plate 36 or the grain sieve 37 by wind-selection. It also serves to send the treated material that has fallen upwards by wind power.
  • the wind is discharged backward from the rear of Karino 32 so that the wind power becomes the largest, and the processing of the processed material that falls from the grain sieve 37 onto the conveyor 41 is selected.
  • the warm air from the engine is discharged to dry the wet material to prevent clogging and stagnation, and to process the material falling from the sieving device 120 at the end. After being selected by wind, the air is sucked into the suction fan 40, and the waste such as straw and dust is discharged outside the machine.
  • the discharge air from the second fan 43 is discharged toward the upper surface of the rear flow grain plate 50, and
  • the processing material that falls from the rear of the sheave 38 and the straw rack 39 to the second conveyor 42 can be selected by wind.
  • the lower part of the rear flow tray 50 is filled with negative pressure, and the wind flowing downward on the second conveyor 42 side is generated, so that a slightly light second product can be smoothly guided to the second conveyor 42 side.
  • the straw rack 39 is formed in an inverted "H" shape when viewed from the side, so that the straw can be easily loosened by swinging, and the second reduced product is formed by the sorting wind from the second fan 43 guided by the rear flow plate 50.
  • the suction fan 40 is provided in the vicinity of the rear end of the swinging sorting device 31 in the full width, and the dust and threshing are carried on the flow of the sorting wind supplied from the Karin 32 and the second fan 43.
  • the generated dust and the like are sucked by the suction fan 40 and discharged out of the apparatus.
  • the suction fan 40 is constituted by a cross flow fan, and a chin-shaped impeller 40a is covered by an upper fan casing 161 and a lower lower guide plate 166, and is sucked by the suction fan 40. It is configured to guide and discharge dust and the like to the outside of the machine.
  • the suction fan 40 rotates clockwise in a side view so as to discharge dust from the front side to the rear side.
  • a suction hole 163 is opened over substantially the entire width, and a guide body 164 is fixed so as to cover the suction hole 163.
  • the guide body 164 is formed by bending a plate body into a triangular shape in a side view so that the front and lower sides are opened, the lower open part is substantially coincident with the suction hole 163, and the front open part is connected to the suction port 164a.
  • the area of the suction port 164a is smaller than the lower open area.
  • the guide body 164 has an edge formed around the periphery other than the suction port 164a, and has a bolt hole 164b'164b ' A bolt or the like is passed through the bolt hole 164b and attached to and fixed to the fan casing 161.
  • the suction fan 40 is rotationally driven in this manner, an airflow flows from the front side to the rear side, and the pressure in the fan casing 161 near the suction hole 163 decreases, that is, the inside of the guide body 164 becomes negative pressure.
  • air outside the fan casing 161 is sucked into the fan casing 161 from the suction port 164a through the suction hole 163.
  • dust accumulated near the upper surface of the fan casing 161 or floating dust is also guided by the guide body 164 from the suction port 164a, sucked into the fan casing 161 and discharged outside the machine.
  • the suction hole 163 is provided on the upper surface of the fan casing 161 and the guide body 164 having an open top is provided around the suction hole 163, so that the suction fan 40 accumulates near the outside of the fan casing 161. Dust and the like can be removed by suction.
  • the suction fan 40 can also discharge fine dust and the like generated in the processing chamber 25, which is made up of only the large straw waste conveyed to the rear of the chaff sheave 38. As a result, the number of maintenance operations on the upper surface of the fan casing 51 can be reduced without requiring new power.
  • the waste straw sent from the threshing unit 20, the sorting unit 30, or the like may accumulate, clog, or stick. It is necessary to perform maintenance, such as removing and adjusting.
  • the swinging sorting device is usually taken out of the machine frame, and maintenance is performed outside the machine.
  • the straw processing section at the rear of the machine is rotated backward. Then, the rear surface was opened, and the swinging sorting device was pulled backward. Therefore, as shown in FIG. 23, the lower guide plate 166 can be rotated upward so that the lower guide plate 166 does not become an obstacle at this time.
  • the lower guide plate 166 is composed of a front guide plate 167 and a rear guide plate 168, and the front guide plate 167 covers the lower part of the impeller 40a and
  • the rear part of the front guide plate 167 is bent in the shape of a letter "K" in a side view to extend the rear end downward, and at least one or more hinges are attached to the rear end of the inner plate 167.
  • the rear guide plate 168 is attached via 169. Then, the hinge 169 is fixed on the front part of the rear guide plate 168, the front end of the rear guide plate 168 is brought into contact with the lower surface of the rear part of the front guide plate 167, and the rear guide plate 168 is moved forward with the hinge 169 as the center.
  • the rear guide plate 168 extends obliquely downward on the rear extension of the front guide plate 167.
  • the area of the guide plate 168 is configured to be larger than the area of the portion behind the bent portion at the rear of the front guide plate 167, and when the rear guide plate 168 is rotated upward, the front end is formed from the bent portion of the front guide plate 167. Are also protruding.
  • the lower guide plate 166 of the fan casing 161 is constituted by the front guide plate 167, the rear guide plate 168, and the hinge 169 connecting the front guide plate 167 and the rear guide plate 168.
  • the plate 168 extends obliquely rearward and downward, and the rear guide plate 168 is rotatable forward and upward with the hinge 169 as a fulcrum, so that the lower guide plate 166 obstructs when the swing sorting device 31 is removed. Therefore, the detachment of the body force of the swing sorting device 31 can be easily performed, and the maintainability of the swing sorting device 31 can be improved. Also, even if the rear guide plate 168 is forgotten to be lowered, it automatically returns to the original position by the wind pressure of the suction fan 40, so that it does not hinder the discharge of straw and dust.
  • a first conveyor 41 and a second conveyor 42 are provided horizontally in the front-rear direction at a position under the rocking sorting device 31 in the front-rear direction.
  • the positional relationship between the first conveyor 41 and the second conveyor 42 is as follows: the first conveyor 41 is on the side near Karino 32 (the front of the machine frame 33), and the second conveyor 42 is farther from Karino 32 on the side (machine frame). 33 rear).
  • a fry conveyor 44 provided so that its longitudinal direction (transport direction) is substantially up and down is connected, and the upper end of the fry conveyor 44 is in the drain tank 13 Is in communication with
  • the grains, immature grains, spike sticks, and fine straw chips fall below the opening of the chaff sieve 38, and the large straw chips are transported to the rear of the chaff sieve 38, and travel outside the machine via the straw rack 39. Is discharged.
  • the grains, immature grains, spike sticking grains, and fine straw chips, etc. which have leaked onto Glen Sheave 37
  • the grains, immature grains, fine straw chips, etc. pass through Glen Sheave 37 and fall downward. Fall.
  • the heaviest grain (the first) is located in the first collecting section 46 (the depression on the bottom of the sorting section 30 provided behind the drifting grain plate 45, where the first conveyor 41 is accommodated). It is collected and transported to the drain tank 13 from the first conveyor 41 through the fry conveyor 44.
  • unprocessed grains which are small in weight, immature grains, a portion of fine straw chips, and unprocessed grains mixed with ear-cutting grains and grains, are blown backward by the sorting wind from Karamino 32, and the second collection unit 47 (a dent on the bottom of the sorting unit 30 provided behind the # collection unit 46, which is a recess in the bottom surface and accommodates the second conveyor 42), passes through the second conveyor 42, passes through the second reduction conveyor 48, and branches. After being conveyed to the stem processing cylinder 49, the branch stem is removed by the branch processing cylinder 49, it is re-introduced on the upstream grain plate 35 (or on the chaff sheave 38).
  • the grain stalk transport device 170 is for transporting one end (stock side) of the grain stalks taken in the above-mentioned threshing unit 20 while pinching it.
  • this grain culm transport device 170 the stem side of the grain culm that has been cut and raised in the cutting section 3 is pinched by the clamping rod 171 and the feed chain 9 that are arranged to face each other, and the handling room 21 The threshing is performed by the inner handling cylinder 22, and a portion where the pinching rod 171 and the feed chain 9 face each other is set as a transport path. And the straw after threshing in the threshing unit 20 is At the rear end (downstream end) of the eid chain 9, it is transferred to the straw transport chain 10 of the straw transport device 320, and is transported to the straw processing unit 11 by the straw transport chain 10. You.
  • the banding rod 171 has a support rod 174 fixed by stays 173, 173 and the like at the left end of the handling room cover 21a in the body traveling direction, and a plurality of elastic supports 172, 172 provided on the support rod 174.
  • ⁇ ⁇ ⁇ ⁇ Elastically supported via This pinching rod 171 has a shape in which a pair of plate-like members are arranged in parallel to the left and right along the feed chain 9, and is formed in an inverted U-shape in a cross section in the conveying direction by the feed chain 9. Have been.
  • the support rod 174 is a hollow columnar member, and is formed on the left side of the inside of the handling room cover 21a so as to be arranged in parallel with the pinching rod 171 that is long in the front-rear direction.
  • elastic supports 172, 172,... are supported at regular intervals and arranged at the upper part, and are sandwiched between lower portions of the elastic supports 172, 172,.
  • the rail 171 is elastically supported.
  • the lower portion of the elastic support 172 is pivotally supported by the pin 171 by a pin 175, and the upper portion of the elastic support 172 extends above the support rod 174.
  • the elastic support member 172 includes a cylindrical portion 176, a cylindrical bearing pipe 177 inserted into the cylindrical portion 176, and a vertical slide in the bearing pipe 177.
  • a movable sliding bar 178 and the like are provided, and a portal support 179 of a portal type as viewed from the front is fixed to the lower end of the sliding bar 178.
  • a connecting pin 175 for connecting a sandwiching rod 171 having a shape in which plate members are arranged in parallel to the left and right is pivotally supported.
  • a spring receiver 180 is externally fitted to the cylindrical portion 176.
  • the spring receiver 180 is located below the support rod 174, and an elastic body 181 such as a spring is wound around the outer peripheral surface of the slide rod 178 between the spring receiver 180 and the pivot 179.
  • the clamping rod 171 is urged downward (toward the feed chain 9).
  • the movement of the pinching rod 171 which is movable vertically in the bearing pipe 177 slidably disposed in the bearing pipe 177, is externally fitted to the sliding rod 178.
  • the elastic body 181 makes the elastic member 181 elastic so that the clamping rod 171 is always urged toward the feed chain 9 so that the culm to be conveyed can be clamped.
  • the sandwiching rod 171 urged downward by the elastic support member 172 has a shape in which a pair of plate-like members are arranged in a left-right parallel manner as described above.
  • the plate-like member has a configuration in which a plurality of clamping rod units 182, 182,... Are connected in series by the connection pins 175, 175,.
  • the clamping rod units 182, 182, connected in series in the grain culm transport direction are clamping rod units 182, 182, with their front and rear ends located upstream and downstream, respectively.
  • the elastic supports 172 are arranged at the respective connecting portions of the clamping rod units 182, 182, and each connecting portion is arranged in the sliding direction of the sliding rod 178 of the elastic support 172.
  • the pinching rod 171 has a structure in which the culm is pinched while following the thickness of the culm to be conveyed.
  • the rear end of the clamping rod unit 182 constituting the clamping rod 171 extends downstream in the transport direction as compared to the other clamping rod units 182, 182, ... to clamp the grain culm at the transfer section. Have been.
  • the front end of the straddling rod unit 183 is supported at the rear end of the elastic support member 172, like the other strut- ing rod units 182, 182.
  • the other elastic supports 172 are elastically supported by an elastic support 172 having a different biasing direction from that of the other elastic supports 172. That is, the pin 184 is fitted into the elongated mounting hole 183a formed in the banding rod unit 183 even in the middle of the banding rod unit 183, and is fixed to the lower end of the elastic support 172 '. It supports the pivotal body 179 that is being used.
  • the elastic support 172 'arranged at the rear end of the grain stalk in the transport direction, that is, at the transfer section from the feed chain 9 to the straw transport chain 10 is another elastic support 172' Stands for Since it is inclined forward by an angle ⁇ 1 with respect to the vertical urging direction, the urging force of this elastic support 172 ′ is arranged so as to be substantially perpendicular to the grain culm transport direction, and is there.
  • the elastic support member 172 ' which is located at the rear end portion and supports the middle part of the clamping rod unit 183, is inclined forward, and the clamping rod on the side of the transfer part to the straw transport chain 10 is connected.
  • the sliding direction of the sliding rod 178 of the elastic support 172 ′ is in a direction according to the moving direction of the clamping rod unit 183, and the biasing force of the elastic body 181 is more effectively used. Act on.
  • the elastic movement of the clamping rod unit 183 at the transfer section from the feed chain 9 to the straw transport chain 10 becomes smooth, and the clamping by the clamping rod unit 183 causes the transported grain. Since the ability to follow the thickness of the culm, etc. is increased, turbulence of the grain culm at this transfer part can be prevented, and spilling of the culm can be prevented, and the transfer to the feed chain 9 power and the straw transport chain 10 can be performed more smoothly. It becomes. That is, the transportation of the straw from the threshing unit 20 to the straw processing unit 11 becomes smoother.
  • the elastic support 172 ' is configured to have a longer stretch stroke. That is, the length of the expansion / contraction stroke of elastic sliding by the elastic body 181 of the sliding rod 178 slidably disposed in the bearing pipe 177 is made longer than that of the other elastic support 172. I have. Thus, the range of movement of the pinching rod unit 183 is increased.
  • the elastic support 172 ′ has a long expansion and contraction stroke, the elastic support 172 ′ can be sufficiently received to smoothly transport the grain stalks to the straw transport chain 10.
  • the rearmost elastic support member 172 ′ is inclined forward with respect to the other elastic support members 172, and is disposed so as to be urged substantially perpendicularly to the transport direction.
  • the present invention is not limited to this, and a plurality of elastic supports may be targeted.
  • the clamping rod 171 arranged opposite to the feed chain 9 has been described.
  • the present invention can be applied to other transport devices in the combine such as Ein 10.
  • the feed chain 9 is wound around a plurality of sprockets 191a '191b' 191c provided in the feed chain frame 190.
  • the feed chain 9 has a vertical center of rotation P (see FIG. 33) at the rear end (rear of the fuselage), and has a front locking device at the front end (front of the fuselage) and the rear end.
  • a feed lock frame 192 and a rear lock device 192 are provided, which can be opened and closed together with the feed chain frame 190 to the left side of the fuselage with the rotation center P as a rotation axis.
  • the structure 193 fixes the feed chain frame 190 to the fuselage side. However, the front lock device 192 and the rear lock device 193 can be linked, and the rear lock device 193 can be omitted.
  • the feed chain frame 190 includes a horizontal frame 190a, which is horizontal in the longitudinal direction of the fuselage, and an inner upper guide of the feed chain 9 which intersects at the front end of the horizontal frame 190a and extends rearward to form an upward slope.
  • a pivot frame 190c formed by bending a pipe in a U-shape in a side view fixed to the rear end of the horizontal frame 190a, and a reinforcing frame 190d to form a substantially triangular shape in a side view. Have been.
  • a front reinforcing plate 194 is fixed to the front end side surfaces of the horizontal frame 190a and the inclined frame 190b by welding or the like. Further, the rear end of the inclined frame 190b and the front upper part of the reinforcing frame 190d are fixed to the rear reinforcing plate 195 by welding. That is, the front ends of the horizontal frame 190a and the inclined frame 190b are connected and fixed by welding via the front reinforcing plate 194, and the rear end of the inclined frame 190b and the front upper part of the reinforcing frame 190d are connected to the rear reinforcing plate 195. It is fixed by welding through.
  • the horizontal frame 190a and the inclined frame 190b, and the inclined frame 190b and the reinforcing frame 190d constituting the feed chain frame 190 are fixed and reinforced by welding via the front and rear reinforcing plates 194 and 195.
  • the strength of the feed chain frame 190 can be increased as compared with the case of bolting or the like. This eliminates the need to increase the size of each frame to eliminate insufficient strength as in the case of bolt fastening, etc.
  • the weight of the load chain frame 190 can be prevented from increasing.
  • reinforcing members 196a '196b' 196c composed of a plurality of (three in this embodiment) pipes and the like are vertically arranged in parallel in the front-rear direction. ing. These reinforcing members 196a, 196b, and 196c have their lower ends fixed to the upper surface of the horizontal frame 190a and the upper ends to the lower surface of the inclined frame 190b by welding or the like, and connect the horizontal frame 190a and the inclined frame 190b. To increase strength.
  • the strength of the entire feed chain frame 190 can be improved by connecting and fixing the frames by welding using the reinforcing plate or the reinforcing member. Therefore, the gap between the front net presser 310 that presses the front net 291 of the receiving net 23 described later and the toothing 22a of the handling cylinder 22 can be kept constant, and problems such as unhandled portions in the threshing unit 20 are eliminated. Is done.
  • the rotation fulcrum frame 190c is provided on a support frame 197 which is fixed to the fuselage side and is formed by bending a pipe in a substantially inverted U-shape when viewed from the rear.
  • the feed chain frame 190 is supported by the feed chain frame 200 and is rotatable laterally outward with respect to the machine body.
  • Reinforcing plates 199 are provided between the support frame 197 and the rear side wall 198 on the fuselage side to reinforce.
  • the support portion 200 * 200 includes a stay 190e '190e integrally formed on the rotation fulcrum frame 190c toward the left side, and a support frame.
  • the support stay 197a '197a which is integrally fixed to the front of the vehicle 97, is formed of a pivot pin 201.201 and a power.
  • the support stays 197a and 197a are arranged so that the front end of the stays 197a and the left end of the stays 190e and 190e overlap each other in plan view, and the pivot pins 201 and 201 are inserted into the overlapping positions.
  • the feed chain frame 190 is pivotally attached to the support frame 197, that is, to the body.
  • the front end and the upper rear end of the inclined frame 190b are provided with driven sprockets 191a and 191b so as to be freely rotatable.
  • the sides of the rocket 191bf are covered with a guard 202 fixed by bolts or the like to the inclined frame 190b or the like.
  • a stay 203 is suspended downward from a middle portion of the horizontal frame 190a near the front, and a support arm 204 is fixed to the stay 203 by bolts or the like and extends downward.
  • a pipe-shaped rotary shaft 205 is supported at the lower end of the support arm 204 via a bearing or the like, and a drive sprocket 191c is fixed on the rotary shaft 205.
  • a drive shaft protruding from the machine body side is inserted into the shaft center of the rotation shaft 205 when the feed chain frame 190 is rotated to the closing side, and the drive shaft and the rotation shaft 205 are relatively fitted by a claw boss fitting or a key. It is fitted so that it cannot rotate and can transmit power.
  • a rotation arm 206 is pivotally supported at the lower front part of the support arm 204, and a tension sprocket 191d is pivotally supported at the other end of the rotation arm 206 so that the tension sprocket 191d is rotatable. Is disposed between the driving sprocket 191c and the driven sprocket 191a.
  • One end of a spring 207 is locked to the rotating shaft of the tension sprocket 191d via a locking portion such as a stay, and the other end of the spring 207 is locked to one end of an adjuster 208.
  • the other end of the adjuster 208 is attached to a stay 209 erected in the middle of the horizontal frame 190a so as to be adjustable in length.
  • the feed chain 9 is wound around the driven sprocket 191a '191b and the driving sprocket 191c, the tension of the feed chain 9 can be adjusted by the tension sprocket 191d, and the rotation of the driving sprocket 191c causes the feed chain 9 to rotate. 9 is rotated so that it can be seen. And each swoof.
  • the rocket 191a '191b' 191c '191d and the feed chain 9 are configured to be supported by the feed chain frame 190, and the feed chain frame 190 is rotated with respect to the support frame 197 on the body side of the fuselage.
  • the feed chain frame 190 and the feed chain 9 are integrally rotated and opened and closed.
  • the feed chain frame 190 can be opened and closed laterally with respect to the body using the support portions 200 and 200 located at the rear end portions as pivot points.
  • a front lock device 192 is provided at the front end of the feed chain frame 190, and a rear lock device 193 is provided at the rear end, and the feed chain frame 190 is fixed to the machine body by these lock devices 192 and 193. To maintain the closed state.
  • the front lock device 192 and the rear lock device 193 are connected by a connecting rod 210, and the front lock device The rear lock device 193 is also locked and unlocked in conjunction with the locking and unlocking of the device 192.
  • the front lock device 192 is rotatable around a pivot shaft 211 provided on the front of the horizontal frame 190a of the feed chain frame 190 and the pivot shaft 211.
  • a lever 212 supported by the armature and an engaging portion 213 formed by erecting a pin or the like on the body frame 2 and a force.
  • the middle part of the lever 212 is rotatably supported by a rotation fulcrum shaft 211, and the left side (outside of the body) of the lever 212 is used as a gripping part 212a, and a recess is formed in the front side of the right side (inside of the body).
  • the hook portion 212b is configured to be locked by engaging the hook portion 212b with the engaging portion 213.
  • a hole 212c is formed in the middle of the lever 212 (outside the body of the fulcrum shaft 211), and one end of a spring 214 is engaged with the hole 212c. Is hooked to a hook 215 projecting leftward from the feed chain frame 190. That is, the lever 212 is urged by the spring 214 so as to be pulled backward from the hole 212c, and the hook 212b of the hole 212c, which is located on the opposite side to the rotation fulcrum shaft 211, is engaged with the front engaging portion.
  • the front lock device 192 is urged in a direction in which the front lock device 192 is locked, that is, the front lock device 192 is locked.
  • the rear lock device 193 includes a rotation fulcrum shaft 216, a hook 217 inserted and fixed to the rotation fulcrum shaft 216, and an engaging portion 218 fixed to one end of the body-side frame.
  • the hook 217 is configured to be locked by engaging with the engaging portion 218.
  • the rotation fulcrum shaft 216 is formed in a pipe shape, and its lower end is fixed to the rear side of the horizontal frame 190a of the feed chain frame 190, and its upper end is fixed to the reinforcing frame 190d on the frame side. It is rotatably fitted to a support shaft provided between the upper and lower support plates via a support plate or the like.
  • a hook 217 is fixedly provided at the upper end of the pivot shaft 216. The hook 217 extends inward of the fuselage, and an engaging recess is formed in front of the extending portion. It can engage with the joint 218.
  • the front locking device 192 and the rear locking device 193 are connected and linked by a connecting rod 210 provided in the longitudinal direction of the machine in a direction substantially parallel to the horizontal frame 190a of the feed chain frame 190.
  • a connecting rod 210 provided in the longitudinal direction of the machine in a direction substantially parallel to the horizontal frame 190a of the feed chain frame 190.
  • the front end of the connecting rod 210 is Similarly, the rear end of the connecting rod 210 is pivotally supported by a pin or the like on a rotation plate fixed to the lower end of the rotation fulcrum shaft 216 of the rear locking device 193. It is supported, and the lever 212 of the front lock device 192 is rotated in the direction of unlocking about the rotation fulcrum shaft 211, thereby unlocking the rear lock device 193 via the connecting rod 210. It is.
  • the feed chain frame 190 which can be opened and closed with respect to the machine body can be locked even in the open state, and the lock at the time of opening for maintaining the maximum open state.
  • An apparatus 220 is provided.
  • the opening lock device 220 will be described with reference to FIGS.
  • the opening lock device 220 is located at the rear end of the feed chain frame 190, and includes a pin 221 provided on the feed chain frame 190 side and a lock guide 222 having a rotation fulcrum on the machine body side.
  • the pin 221 moves along a slide hole 228 formed in the lock guide 222 when the feed chain frame 190 is opened and closed.
  • the pin 221 protrudes upward from a stay 223 fixed by welding or the like to the upper surface of the lower horizontal portion of the rotation fulcrum frame 190c of the feed chain frame 190.
  • the lock guide 222 is a plate-like member having a substantially rectangular shape in a plan view, and has a right end (body end) force on the left side of the machine frame 33 (see Fig. 33). At the joints of the two, the joints of edges 219a and 229a projecting toward the left side (outside the fuselage) are supported by pins 224, and the pins 224 are used as pivot points. That is, one end of the lock guide 222 is formed with a bifurcated support part 222a so as to have a U-shape in a front view, and the support part 222a sandwiches the joint between the edges 219a and 229a from above and below.
  • the pin 224 is vertically penetrated, and the pin 224 is fixed to one of the support portion 222a side and the joint portion side of the edge portions 219a and 229a by welding or bolting, and the pin 224 is turned.
  • the lock guide 222 is supported as the center of motion.
  • a handle 226 for operating the lock device 220 at the time of opening is provided at the left end of the lock guide 222.
  • a torsion bar for urging the lock guide 222 is provided at the center of rotation of the lock guide 222.
  • D 225 force S which is inserted into the pin 224 and provided between the upper horizontal portion of the support portion 222a of the lock guide 222 and the head 224a of the pin 224.
  • Both ends of the torsion panel 225 extend in the horizontal direction, and the respective tips are bent downward at substantially right angles to form support portions 225a and 225b.
  • the support 225a on the fuselage side is inserted into and fixed to the joint between the edges 219a and 229a, and the support 225b on the opposite side of the fuselage contacts the rear side (rear side of the fuselage) of the lock guide 222. It has become. That is, in the lock guide 222, the grip portion 226 is urged forward by the torsion spring 225 about the pin 224 in the direction of the force (the direction F in FIG. 33, counterclockwise in plan view). is there.
  • the method of urging the lock guide 222 is not limited to the present embodiment, but may be a structure using a spring other than the torsion spring 225 and other elastic members.
  • the slide hole 228 formed in the lock guide 222 is formed in a substantially L-shape in plan view and is a long hole having a width substantially equal to the diameter of the pin 221.
  • the pin 221 is located at the right end, and when the feed chain frame 190 is in the maximum open state, the pin 221 is drilled so as to be located at the left end, that is, the notch 228a formed in the slide hole 228.
  • a stopper 227 for preventing the pin 221 from coming off the slide hole 228 and smoothing the slide of the pin 221 with respect to the slide hole 228 is provided at a portion of the pin 221 projecting upward from the slide hole 228. It is inserted.
  • the pin 221 provided on the feed chain frame 190 side becomes a slide hole.
  • the pin 221 slides along with the pin 221 and the lock guide 222 also rotates in a direction in which the lock guide 222 is urged (the direction F in FIG. 33).
  • the pin 221 is pressed by the torsion spring 225 of the lock guide 222 so that the pin 221 is closed.
  • the structure is such that the feed chain frame 190 is automatically fitted into the notch portion 228a, and is kept open so that the feed chain frame 190 does not rotate to the closing side.
  • the gripper 226 is gripped and the lock guide 222 is urged toward the opposite direction (R direction in Fig. 33).
  • the lock by the opening lock device 220 can be released, and the feed chain frame 190 can be rotated to the closing side.
  • the opening lock device 220 to maintain the feed chain frame 190 in the maximum open state, the feed chain frame 190 is not rotated unless the lock guide 222 is rotated in the release direction.
  • the feed chain frame 190 does not close, so that the open state of the feed chain frame 190 can be more reliably maintained as compared with the case where a conventional backing plate or the like is used. Thereby, when the feed chain frame 190 is opened for maintenance or repair, the feed chain frame 190 can be closed without care and safety can be improved.
  • the biasing direction of the lock guide 222 may be opposite to that of the present embodiment.
  • the shape of the slide hole 228 formed in the lock guide 222 is not limited to the present embodiment, and may be a hook shape. However, it is also possible to provide a configuration in which the opening degree of the feed chain frame 190 is maintained stepwise by providing a plurality of notches 228a.
  • Pulleys 40a '41a' 42a '43a are arranged on the respective rotating shafts outside the upper side wall 219 and the lower side wall 229 of the machine frame 33, that is, on the left side of the machine frame 33, and these pulleys 40a' 41a ' 231 velvets are wound around 42a and 43a, and are arranged so as to come into contact with the pulley 43a with the outer J (rear) force of the velvet 231.
  • two tension pulleys 232 are provided above the pulley 42a on the left side of the machine body of the machine frame 33 to maintain the tension of the benoret 231 and regulate the trajectory of the benoret 231. It is arranged so that it comes into contact from outside.
  • a tension arm 233 having a "H" shape in side view can swing about the rotation axis so as not to be affected by the rotation of the pulley 43a.
  • a tension pulley 234 is rotatably supported at one end (front end) of the tension arm 233.
  • the tension pulley 234 is disposed so as to come into contact with the inside of the belt 231. I have.
  • one end of a spring 235 for urging the tension arm 233 in the direction in which the tension pulley 234 presses the belt 231 with the inner force is applied to the other end (rear end) of the tension arm 233.
  • the other end of the spring 235 is locked to one end of an adjuster 236 provided on a stay 232a provided between the tension pulleys 232 to adjust the degree of tension of the belt 231 by the tension pulley 234. It is possible.
  • a pulley 42b is fixed on the rotation shaft of the pulley 42a of the second conveyor 42, and a pulley 34a for driving the swing drive mechanism 34 is provided behind the pulley 42b.
  • Bole 34a '42b is wound with 237x S-roll.
  • a tension pulley 239 rotatably supported at one end of a tension arm 238 provided on the lower side wall 229 on the fuselage side is disposed so as to come into contact with the belt 237 from below and below.
  • One end of a panel 241 is locked in the middle of the tension arm 238, and the other end of the spring 241 is connected to one end of an adjuster 243 provided on a stay 242 protruding from the lower side wall 229.
  • the pulley 42a is arranged so as to contact the belt 231 from the inside, the contact portion between the pulley 42a and the belt 231 is compared to a case where the pulley 42a is arranged to contact from the outside (back side) of the belt 231. And the driving force can be improved and stable belt rotation can be obtained.
  • a pre-guide (grain stalk pushing machine) provided above the feed chain 9 on the upstream side of the conveyance.
  • the auxiliary guide 250 will be described with reference to FIGS. 35 and 36.
  • the pre-guide 250 includes a culm holding rod 251, a support frame 252, connecting rods 253 and 254, a screw 255, and the like.
  • the upstream side of the feed chain 9 and the grain stalk pressing rod 251 are arranged so as to overlap in a side view. That is, the grain culm holding rod 251 is arranged along the transport upstream side of the feed chain 9.
  • the grain culm holding rod 251 is configured in a sled shape in a side view, and has a bent portion formed by bending the front end thereof upward, and guiding the grain stalk by the bent portion, and holding the grain culm. Grains are supplied between the rod 251 and the feed chain 9.
  • the cereal stem holding bar 251 is supported via a support frame 252 disposed above and connecting bars 253 and 254.
  • the support frame 252 is rotatably supported by a bracket at the distal end of a support rod 174 that supports the pinching rod 171. That is, the support frame 252 is provided with a rotation support shaft 256 at a rear portion thereof and a front portion of the support rod 174, and is rotatable around the rotation support shaft 256.
  • the support frame 252 has a substantially U-shaped cross section, and is disposed with its open U-shaped portion facing downward.
  • a through hole of the connecting rod 254 is formed in the upper surface (a portion of the support frame 252 that is not open) of the support frame 252, and the upper end of the connecting rod 254 is inserted through the through hole.
  • the upper end of the connecting rod 254 projects from the upper surface of the support frame 252.
  • the connecting rod 254 is movable in the longitudinal direction with respect to the support frame 252.
  • a spring 255 is externally fitted on the upper part of the connecting rod 254, and the lower end of the spring 255 is fixed to a middle part of the connecting rod 254. Then, when the connecting rod 254 moves upward and the protruding portion from the upper surface of the support frame 252 becomes longer, the urging force of the panel 255 acts to shorten this protruding portion.
  • the portions of the spring 255 and the connecting rod 254 on which the spring 255 is fitted are covered with the support frame 252.
  • a connecting rod 253 is rotatably attached to a side surface of the support frame 252.
  • the culm holding rod 251 is the amount of cereal culm between the pre-guide 250 and the feed chain 9, that is, the cereal culm supplied to the upstream side of the feed chain 9 conveyance. Rocks according to the amount of
  • the pre-guide 250 configured as described above is rotatable around the rotation support shaft 256 on the upstream side of the feed chain 9 in the conveyance direction. It can be switched manually between the (operation position) (a) and the manual operation position (release position) (mouth) indicated by the two-dot chain line.
  • the pre-guide 250 is rotated counterclockwise (FIG. 35) about the rotation support shaft 256, the pre-guide 250 is switched to the traveling work position (A). Switch to working position (mouth).
  • a spring 257 is interposed between a pin 258 that passes through the support frame 252 and a pin 259 that is attached to a bracket at the front end of the support rod 174 that supports the clamping rod 171. That is, one end of the panel 257 is connected to the support frame 252 via the pin 258, and the other end is connected to the support rod 174 via the pin 259. Then, the spring 257 rotates around the pin 259 together with the rotation of the pre-guide 250.
  • the biasing direction of panel 257 is switched on the extension of a straight line (X-X line in Fig. 35) connecting pin 259 and rotation support shaft 256.
  • a biasing force acts on the pre-guide 250 so as to hold the pre-guide 250 in the traveling work position (a).
  • an urging force acts on the pre-guide 250 so as to hold the pre-guide 250 at the work position (mouth).
  • the urging direction of the spring 257 is switched in two stages with the rotation of the pre-guide 250. This is a so-called fulcrum crossing configuration.
  • the biasing force of the panel 257 allows the pre-guide 250 to be reliably held on the one hand in the traveling work position (a) and on the other hand in the hand-handling work position (mouth).
  • the pre-guide 250 is held at the traveling work position (a)
  • the upper portion of the upstream side of the feed chain 9 transport is covered by the pre-guide 250, and the grain culm holding rod 251 extends along the upstream side of the feed chain 9 transport.
  • the traveling work position (a) the husks harvested by the reaping unit are supplied to the feed chain 9 for threshing while traveling.
  • Switching between the traveling work position (a) of the pre-guide 250 and the handling position (mouth) is performed by an operator located on the feed chain 9 side (in the present embodiment, on the right side of the machine body) of the compine. Be done. Further, in this embodiment, the switching of the pre-guide 250 can be performed by a driver in the cab 14 (operating section). In this case, the driver switches the pre-guide 250 by operating the operating lever 261 (operating tool) provided near the cab 14 (operating section).
  • the operation lever 261 is disposed near the driver's cab 14, in this embodiment, behind the driver's cab 14 and within the reach of the driver. Specifically, it is arranged on the left rear side of the cab 14 and on the right front side of the cabin cover 21a, and more specifically, at the approximate right and left center of the fuselage. The upper end of the operation lever 261 protrudes from the handling room cover 21a (see FIG. 1).
  • the position of the operation lever 261 is not limited to the above-described position as long as the position can be set in the cab 14 or within the reach of the driver 14.
  • the lower end of the operating lever 261 is connected and fixed to one end of the connecting rod 262, the other end of the connecting rod 262 is rotatably connected to one end of the operating rod 263 by a pin, and further, the other end of the operating rod 263 Are rotatably connected to a support frame 252 of the pre-guide 250 and a pin 264.
  • the connecting rod 262 is rotatably supported by the handling chamber cover 21a, and both ends of the connecting rod 262 protrude from the upper side of the handling chamber cover 21a. That is, the connecting rod 262 penetrates the upper part of the handling room force bar 21a in the left-right direction.
  • the portion protruding toward the pre-guide 250 is formed by being bent downward.
  • the pre-guide 250 is connected to the operation lever 261 via the link mechanism, specifically, via the connection rod 262 and the operation rod 263.
  • the switching operation of the pre-guidance 250 can be performed by operating the operation lever 261 by the driver. Holds that position.
  • the operation lever 261 or the link mechanism may be connected to an actuator such as a motor / cylinder or the like, and the actuator may be connected to an operation member such as a switch or the like and switched by a button operation or the like.
  • the pre-guide 250 is switched to the traveling work position (A), while the pre-guide 250 is operated to the tilted position shown by the two-dot chain line in FIG. If the lever 261 is present, it has been switched to the manual operation position (mouth).
  • the operation lever 261 is provided in the vicinity of the cab 14, and the operation of the operation lever 261 causes the pre-guide 250 to rotate, so that the traveling work position (A) and the manual operation The work position (mouth) is switched.
  • This allows the driver in the cab 14 to easily perform the turning operation of the pre-guide 250. For example, even if the auxiliary worker located on the side of the feed chain 9 cannot move both hands freely due to holding the grain stalks that have been taken in both hands, etc. By switching to the manual operation position (mouth), manual operations can be performed. Further, even if the sub-operator forgets the operation of returning the pre-guide 250 after the handling operation, the driver can operate the operation lever 261 to return to the original position.
  • the pre-guide 250 can also be rotated by the sub-worker directly to switch between the traveling operation position (a) and the manual operation position (mouth). Further, in the present embodiment, the operation lever 261 and the pre-guide 250 can be operatively connected by a force wire and a spring which are operatively connected by a link mechanism.
  • the inheriting guide 271 is arranged so as to overlap with the grain stalk pressing rod 251 of the pre-guide 250 described above in a side view, and is located on the inside of the fuselage with respect to the grain stalk pressing rod 251. In addition, it overlaps with the feed chain 9 in side view and plan view. That is, the inheriting guide 271 is arranged along the conveyance upstream side of the feed chain 9 and is attached to the auxiliary conveyance device or the cutting frame of the cutting unit.
  • the front end of the transfer guide 271 is supported by the support frame 272, and the support frame 272 is attached to the rear end of the side frame 273 that supports the reaping section 3 at the front of the fuselage. ing.
  • the front end of the inheriting guide 271 is bent at a substantially right angle, and the bent portion is extended to the left to form an extended portion 271a.
  • the extending portion 271a extends through a through hole provided in the support frame 272, and the transfer guide 271 is rotatably supported by the support frame 272. At the same time, the transfer guide 271 is movable in the left-right direction with respect to the support frame 272.
  • a pin 274 for preventing the support frame 272 from slipping out of the through hole is inserted. The pin 274 restricts the lateral movement of the transfer guide 271 to a distance L1.
  • a projection 271b is provided at the front of the inheriting guide 271 so as to project in parallel with the extension 271a.
  • a washer (such as a washer ring) 275 is attached to the tip (left end) of the protrusion.
  • the inheriting guide 271 is urged downward by the leaf spring 276.
  • the leaf spring 276 is formed in a substantially “U” shape in a side sectional view, and one end 276 a of the “U” shape that extends short is fixed to the upper surface of the support frame 272 by a bolt.
  • the lower end 276b of the "C" -shaped long extension is in contact with the protrusion 271b of the transfer guide 271 so that the urging force of the plate panel 276 acts on the transfer guide 271 via the protrusion 271b. I have to.
  • the transfer guide 271 is pressed downward, so that the grain stalk is sandwiched and transported between the transfer guide 271 and the feed chain 9.
  • the washer 275 at the tip of the protruding portion 271b is in contact with the left end surface of the panel panel 276, so that the lateral movement of the transfer guide 271 is restricted.
  • a guide member 277 serving as a mechanism for restricting the rotation of the inheriting guide 271 in the up-down direction and the movement in the left-right direction and holding it within the plan is fixed to the support frame 272.
  • the guide member 277 has a substantially L-shaped guide groove when viewed from the front, and the width of the guide groove is formed to be slightly larger than the diameter of the receiving guide 271.
  • the L-shaped guide groove is composed of an up-down groove 277a and a left-right groove 277b, and the up-down groove 277a is opened downward.
  • the transfer guide 271 is pressed downward by the urging force of the panel panel 276, and is disposed so as to overlap the feed chain 9 in a side view.
  • the feed chain 9 may be rotated to release the left side of the machine.
  • the inheriting guide 271 is left in a normal state, it will interfere with the feed chain 9 and hinder the rotation of the feed chain 9. Therefore, it is necessary to raise the transfer guide 271 upward against the urging force of the panel panel 276 so as not to interfere with the feed chain 9.
  • one end 276b of the leaf spring 276 is lifted upward so that the urging force of the leaf spring 276 does not act on the receiving guide 271.
  • the inheriting guide 271 can rotate in the vertical direction.
  • the transfer guide 271 is lifted and turned upward.
  • the transfer guide 271 is guided by the vertical groove 277a of the guide member 277, and rotates until it contacts the upper end of the groove 277a.
  • the inheriting guide 271 does not overlap with the feed chain 9 in a side view, and the feed chain 9 can be rotated.
  • the inheritance guide 271 is moved rightward by the distance L1.
  • the plate panel 276 is lifted to a position where the washer 275 at the tip of the protrusion 271b of the receiving guide 271 does not interfere with one end 276b of the leaf spring 276.
  • the inheritance guide 271 The guide member 277 is guided and moved by the left and right grooves 277b of the guide member 277. As a result, the inheritance guide 271 does not overlap with the feed chain 9 in plan view.
  • a mechanism is provided for holding the inheriting guide 271 at a position above the feed upstream side of the feed chain 9 and not overlapping the feed chain 9 in a side view.
  • This holding mechanism has a simple configuration in which a support frame 272, a washer 275, a plate panel 276, a guide member 277, and the like are provided at the front end of the transfer guide 271. As a result, space is not restricted. Further, the feed chain 9 can be stably held at a position not overlapping with the feed chain 9 in a side view.
  • the handling cylinder supply start end 280 is formed on the inlet side of the handling chamber 21 and in front of and above the swing sorting device 31.
  • the feeding cylinder supply start end 280 includes a supply guide plate 281 extending forward from a front end of a receiving net 23 provided around the lower part of the handling cylinder 22 in a side view, and an upper part for guiding grain stalks on the lower surface and the front surface.
  • a guide plate 282 is provided, and a pulley for transmitting power to the rotating shaft of the handling cylinder 22 is housed.
  • the supply guide plate 281 is fixedly held by the machine frame 33.
  • the supply guide plate 281 is made of an iron plate, an elastic body, or the like, and is gently curved in the left-right direction in accordance with the outer peripheral shape of the handling cylinder 22, and is formed in a trough shape in a front view. Then, in a side cross-sectional view, the supply guide plate 281 has a front portion having a downwardly inclined portion where the grains and the like flow into the rear handling room 21 (threshing unit 20). The rear portion is formed so as to be substantially parallel (concentric) with the outer peripheral surface of the handle drum 22 to be connected to the front portion of the receiving net 23, and is horizontal at the lower end.
  • the upper guide plate 282 guides the grain stalk conveyed by the feed chain 9 to the lower part of the handling drum 22, thereby preventing the grain stalk from being entangled with the rotation shaft of the handling drum 22 or the like.
  • the upper guide plate 282 is fixed to the frame of the handling room 21 so as not to be unstable.
  • the grain culm guide structure of the handling drum supply start end 280 formed by the supply guide plate 281 and the upper guide plate 282 has a substantially "U" shape in a front view, and the side of the feed chain 9 side.
  • the cereal culm which is formed with an opening and is conveyed to the rear of the machine by the cereal culm conveying device 170 including the feed chain 9 and the like, is guided between the supply guide plate 281 and the upper guide plate 282 so that the threshing section can be smoothly carried out. So that it can be transported to 20.
  • a feed guide 283 as a scattering prevention guide is provided on the inner surface of the handling chamber 21 on the opposite side of the feed chain 9 (the right side in the traveling direction) at the handling drum supply start end 280.
  • a lead plate 284 is provided. More specifically, a feed lead plate 284 made of a plate-like member is provided at the front of the handling chamber 21 on the back side (closed side) of the “U” -shaped opening of the handling cylinder supply start end 280 when viewed from the front, A feed guide 283 is provided on the side of the lead plate 284 and is formed to be convex.
  • the feed guide 283 and the lead plate 284 are located above the rear portion of the supply guide plate 281 and are connected to the outer frame of the upper guide plate 282 and the receiving plate. It is provided on a gutter-like connecting portion 285 formed between the net 23 and the outer frame.
  • the feed guide 283 has a substantially triangular pyramid shape and is provided so as to straddle the upper guide plate 282 and the corner of the connecting portion 285 so as to protrude toward the handling cylinder 22 side, and guide the tip of the grain culm to the handling cylinder 22 side. It is guided so that it does not flow backward to the supply end 280 side of the cylinder.
  • a lead plate 284 is provided continuously above the inner surface of the handling chamber 21 of the feed guide 283, and is disposed above and forward of the receiving net 23.
  • the lead plate 284 is provided so as to substantially match the inclination of the dust valve 24 disposed on the inner peripheral surface of the upper part of the handling chamber 21, and the extension direction of the plate surface of the lead plate 284 is Face to face.
  • the spikes are aligned by the lead plate 284 in the handling room 21 so as to be in a direction substantially perpendicular to the feed chain 9 so as to be threshed by the handling cylinder 22, and at the same time, straw waste and the like that are generated during threshing and threshed paddy are removed. It is guided to flow parallel to the dust valve 24. Then, by returning straw waste and the like that had been scattered to the handling cylinder supply start end 280 side into the handling chamber 21, the loss can be reduced. I try to do it.
  • the lead plate 284 is made of a plate-like member such as an iron plate, and is configured in consideration of strength, abrasion resistance, and the like so as not to be deformed by the pressure in the handling chamber 21. . As shown in FIG. 42, the lead plate 284 is bent in an L-shape, and stands upright on the inner peripheral surface of the handling chamber 21 to be erected. A fixed sound B284af or bonoreto 286, 286 etc. on the bottom surface of the lead plate 284 is fastened to the inner surface of the handling room 21 so as to be detachable. Therefore, in the event that the lead plate 284 is damaged, replacement work can be easily performed, and maintenance performance can be improved.
  • the lead plate 284 on the inside surface of the handling chamber 21 on the opposite side of the feed chain 9 from the handling cylinder supply start end 280 of the threshing unit 20, the straw waste in the handling chamber 21 is provided. It is possible to prevent such as to be scattered to the handling cylinder supply start end 280, to be guided to the dust valve 24, and to be guided to the end of the handling chamber 21. Then, the grains and the like that have been scattered to the handling drum supply start end 280 can be recovered, and the loss can be reduced.
  • the scattering prevention guide composed of the feed guide 283 and the lead plate 284 is disposed on the back side of the upper guide plate 282 on the opposite side of the feed chain 9 of the handling drum supply start end 280 of the threshing unit 20. In this case, the same effect as above can be obtained.
  • the receiving net 23 is divided into two parts: a back net 290 on the side of the drain tank 13 (right side in the traveling direction) and a front side net 291 on the side of the feed chain 9 (right side in the traveling direction).
  • a back net 290 on the side of the drain tank 13 right side in the traveling direction
  • a front side net 291 on the side of the feed chain 9 right side in the traveling direction.
  • the back net 290 and the front net 291 are connected at a connecting portion 295.
  • the periphery of the back net 290 and the front net 291 is supported by an L-shaped frame in cross section, and in the connecting portion 295, a contact portion of the back net 290 and the front net 291 is
  • the nets 290a and 291a are formed by being bent at substantially right angles toward the outside in the radial direction of the frame 290a and 291a, respectively.
  • '292a' 292a is tangentially projected at a position substantially equidistant in the longitudinal direction of the fuselage, and a penetration hole is formed in the other mesh frame at a position corresponding to the position where the pin 292a is projected.
  • the pin 292a fits into the insertion hole and the back net 290 And the front net 291 are connected.
  • the position and number of the pins 292a are not limited, and the connection configuration is also limited.
  • a mesh frame 290b is also formed on the back net 290 on the side of the drain tank 13 in the same manner as the mesh frame 290a, and pins 292b'292b'292b extend from the mesh frame 290b in the longitudinal direction of the fuselage.
  • the positions are substantially the same as those of the pins 292a, and the pins 292b are tangentially protruded, and the pins 292b are fitted to stays 296 serving as fixing members provided on the machine side, whereby the back net 290 is fixed to the machine.
  • the receiving net 23 is fixed below the handling cylinder 22.
  • the receiving net 23 is formed in a substantially L-shape in plan view by the back net 290 and the front net 291, and the front net 291 is long and slightly protrudes in the front-rear direction. Further, the receiving net 23 is constructed by fixing a thin metal plate 294 on a net frame 293, and the plate 294 has a square hole 294a substantially uniformly formed on the entire surface thereof. Is formed. Then, through these holes 294a, the paddy, straw waste, and the like that have been handled on the receiving net 23 by the tooth handling 22a '22a' ⁇ ⁇ are leaked. In the present embodiment, the shape of the hole 294a is rectangular, but it may be round or polygonal.
  • the projection 291c in the substantially L-shaped receiving net 23 in plan view is the rear half of the grain stalk transport path 9a by the feed chain 9, and is located below the rear half of the handling cylinder 22. .
  • a partition 297 formed of a metal plate or the like having a predetermined height is provided between the handling teeth 22a in parallel to the moving direction of the handling teeth 22a due to the rotation of the handling cylinder 22.
  • the grain stalks conveyed by the feed chain 9 are lifted upward by the partition 297 and pressed down by the teeth 22a '22a'.
  • the teeth 22a '22a' ⁇ ⁇ can be brought into contact with the grain stem.
  • the receiving network 23 is configured to be detachable from the side of the aircraft. That is, as described above, the feed chain frame 190 configured to be openable and closable with respect to the fuselage side is opened, and is drawn out in an arc shape along the rail provided on the frame 298 provided on the fuselage side with respect to the fuselage side. They are removable and can be inserted and removed. Therefore, Okuami 290 Stoppers 299 are provided on the connection portion 295 side of the front and rear mesh frames 293, respectively.
  • a leaf spring 299a formed by bending a part of a plate-like member into a mountain shape on a net frame 293 is fastened and fixed with bolts or the like, and this leaf spring 299a is attached to the body side frame 298.
  • the catch 299b can be used for locking so that the back net 290 does not slip off when the front net 291 is pulled out for maintenance or the like.
  • a position adjuster 300 is provided for that. That is, a U-shaped bent portion 291d is formed at the left end (feed chain 9 side) of the front net 291 and an L-shaped net frame 291b is fixed inside the bent portion 291d. With the frame 291b and the bent portion 291d as fitting portions, the upper end side of the fixed plate 306 serving as a fixed member bent in a crank shape can be inserted therebetween.
  • the position adjusting unit 300 includes a bracket 305 fixedly provided on the body side of the machine body, a fixing plate 306 which is a plate-like member for position adjustment disposed at the upper end of the bracket 304, and It comprises a fixture 307 for fixing the plate 306 to the bracket 305 and a shim 309 for adjusting the interval.
  • the lower end of the bracket 305 is fastened and fixed to one end of the frame of the handling room 21 by a bolt 304 at the lower left of the front net 291 and the upper end is a net frame 291b at the left end of the front net 291. It is extended toward.
  • a fixing plate 306 protrudes from the upper end of the bracket 305 so that one end of the fixing plate 306 comes into contact with a mesh frame 291b of the front net 291.
  • the base is fixed by a fixing tool 307 including a pin 307a and a nut 307b. Have been. In other words, the fixing plate 306 and the shim 309 are inserted into the head B307c of the pin 307a, and then the bracket 305 is inserted into the bracket 305 and tightened and fixed by the nut 307b.
  • the front net 291 is pushed into the back net 290 side, and is inserted into the connecting portion 295 of the pin 292a and the back end 290, and at the same time, the yarn starting frame 291b and the bent ⁇ B291d are inserted.
  • the fixing plate 306 is inserted in between, and is pressed down and fixed by the near net presser 310 described later. At this time, in the gap between the tip of the toothing 22a and the rotation orbit T, When it is desired to reduce the gap, the number of the shims 309 is increased so that the fixing plate 306 presses the net frame 291b to approach the handling cylinder 22 side.
  • the number of the shims 309 can be reduced so that the net frame 291b can be set to the outside.
  • the front net 291 rotates around the connecting portion 295 with the back net 290, and the gap can be adjusted.
  • the gap can be similarly adjusted by preparing a plurality of shims having different thicknesses in advance and replacing these shims.
  • the receiving network is composed of the front network 291 and the rear network 290, but it can be composed of one network or divided into three or more networks.
  • the position adjusting portion 300 is formed at a portion where the fixing plate 306 interposed between the front net 291 and the bracket 305 is fixed, and the number of shims 309 arranged on the position adjusting portion 300 is increased or decreased.
  • the gap (interval) between the front net 291 and the rotation trajectory T of the distal end of the handling tooth 22a can be adjusted by adjusting the thickness of the front mesh 291 and the thickness of the front net 291. In this way, the distance between the front net 291 and the rotation trajectory T of the tip of the toothing 22a can be adjusted, so that a specified distance according to the type of crop to be harvested can be secured. This makes it possible to efficiently shed the ears only while preventing the grain stalks from being cut off when the gap is smaller than the desired interval, and conversely when the gap is wide. This makes it possible to prevent unhandled residue, thereby improving the threshing accuracy.
  • the position adjusting unit 300 includes a shim 309 interposed in a pin 307a for fixing the fixing plate 306 to be attached to the bracket 305, and the number of the shim 309 is increased or decreased, or the shim 309 having a different thickness is used.
  • the distance between the front net 291 and the rotation trajectory T of the tip of the toothing 22a can be easily adjusted.
  • a plurality of position adjustment units 300 having such a structure can be provided in the longitudinal direction of the machine body, that is, in the longitudinal direction of the handling cylinder 22.
  • a plurality of the brackets 305 are provided at arbitrary intervals within the range of the length of the front net 291 in the front-to-rear direction, and the position adjusting unit 300 is formed at each position.
  • Providing a plurality of position adjustment units 300 in the longitudinal direction of the fuselage makes it possible to separately adjust the position of the near net 291 at each position. It is possible to adjust the interval with the rotation orbit T of 22a, Since the interval can be finely adjusted in accordance with the type of crop to be harvested and the threshing state of the cereal stem, cutting of ears and unhandled leaves can be prevented, and threshing accuracy can be further improved.
  • a front net retainer 310 is provided on the side of the receiving net 23 and on the side of the feed chain 9.
  • the front net retainer 310 is formed to have substantially the same radius of curvature as the receiving net 23, and is disposed on an extension of the front net 291 forming the receiving net 23.
  • the front net retainer 310 is fixed to and integrally provided with a feed chain frame 190 that supports the feed chain 9 so that the feed chain 9 can be opened and closed, and has a structure that is opened and closed together with the feed chain frame 190.
  • the feed chain frame 190 around which the feed chain 9 is wound is locked to the machine body side, and the side end of the near net 291 on the feed chain 9 side is pressed so as not to bend.
  • a plurality of rods and the like are provided in the same direction (extension) as the partition 297 provided on the protruding portion 291c of the front net 291 described above.
  • the bar raises the cereal stem upward, and is pressed downward by the toothing 22a '22a'.
  • the teeth 22a-22a- ⁇ ⁇ can be brought into contact with each other.
  • Such a front net retainer 310 has a structure capable of adjusting the position with respect to the handling cylinder 22.
  • the gap (interval) S between the inner side surface 310a of the front net retainer 310, which is the surface on the handle cylinder 22 side, and the rotation orbit T of the distal end of the handling tooth 22a of the handle cylinder 22 can be adjusted. is there.
  • the structure of the gap adjustment will be described with reference to FIGS.
  • a plurality of locations are provided on the side of the front net retainer 130 provided integrally with the feed chain frame 190 and on the side surface of the feed chain 9 at substantially equal intervals in the longitudinal direction of the machine.
  • adjustment plates 311a ', 311b', and 311c for fixing the front net retainer 310 to the feed chain frame 190 so as to be adjustable are protruded.
  • These adjustment plates 31 la '31 lb '311c are fixed to upper and lower stays 312 and 313, respectively, which are arranged vertically in parallel, and the upper and lower stays 312 and 313 are connected to the feed chain frame 190.
  • the reinforcing members 196a, 196b, and 196c provided between the horizontal frame 190a and the inclined frame 190b are fixed to upper and lower portions, respectively. It is. That is, an upper stay 312 and a lower stay 313 each having a U-shape in a side view are fixed to the reinforcing members 196 by welding or the like, and the upper stay 312 and the lower stay 313 are provided with a front net retainer 310.
  • the respective adjusting plates 311 are fixedly provided so as to be position-adjustable by bolts 314 and 315, respectively.
  • each adjustment plate 311 a regular circular bolt hole is formed in the upper stay 312 interposed in the upper fixing portion, and the upper portion of the adjustment plate 311 is positioned by the bolt 314 through the upper stay 312.
  • the lower stay 313 interposed in the lower fixing portion of each adjustment plate 311 is provided with a long hole 316 extending in the direction of the handling cylinder 22 of the front net retainer 310, and this lower stay 313 is attached to the lower stay 313. It can be fixed so that the position can be adjusted by bolts 315.
  • the elongated hole 316 formed in the lower stay 313 has a shape that follows the track of the bolt 315 when the front net retainer 310 is rotated to the side of the fuselage around the bolt 314 of the upper fixing portion.
  • the bolt S 314 of the upper fixed portion is fastened to such an extent that the front net retainer 310 is rotatable, and by rotating the front net press 310 around the bolt 314, the above-described gap S is formed. It is a structure that can be adjusted.
  • the gap S that is, the inner side surface 310a of the front net retainer 310 and the handling teeth 22a of the handling cylinder 22 are provided at the respective adjustment plates 311a ', 311b', and 311c of the front net holder 310.
  • the distance between the tip and the rotation orbit T can be adjusted.
  • the number and shape of the adjustment plates provided on the front net retainer 310 are not limited to the present embodiment.
  • the bolt holes on the upper stay 312 side of the upper fixing portion of the front net retainer 310 are elongated holes, and the lower fixing portion side is the center of rotation, and long holes are formed in both the upper stay 312 and the lower stay 313.
  • the position of the front net retainer 310 can be adjusted at the upper and lower fixing portions.
  • the inner side surface 310a of the front net retainer 310 and the teeth 22a of the handling cylinder 22 are formed. It is possible to adjust the gap S between the tip of the rotating orbit T and the rotation path T, and to secure a specified interval according to the type of crop to be harvested. This makes it possible to efficiently shed the ears only while preventing the grain stalks from being cut off when the gap S is smaller than the desired interval, and conversely, to handle the grain that occurs when the gap is wide. It is possible to prevent leftover Therefore, the threshing accuracy can be improved.
  • the gap S in the culm conveying path can be finely adjusted according to the type of crop to be harvested and the threshing state of the culm, so that cutting of ears and unhandled leaves can be prevented, and threshing accuracy is further improved. be able to.
  • the straw conveying device 320 conveys the straw conveyed from the feed chain 9 of the grain culm conveying device 170 to the rear of the machine by the straw conveying chain 10, and at that time, the straw is separated from the straw conveying chain 10. Change the force to drop into the field by changing the dropping position by cutting with the straw cutter device 321 or changing the force to discharge to the field without cutting, or to release it to the field after binding with the tying device Is what you do.
  • the straw conveying device 320 mainly includes the straw conveying chain 10, the straw trapping guide 330, the front support rod 331, the nose 332, the renole body 333, the action rollers 334 and 335, and the rear ⁇ . It is composed of a support rod 336, a non-stick 337, a link mechanism 338, and the like.
  • the straw transport chain 10 extends from the rear end of the feed chain 9 toward the right rear.
  • An auxiliary straw transport chain 325 is provided in parallel with the straw chain 10, the base side of the straw is held by the straw transport chain 10, and the tip side of the straw is supported by the auxiliary straw transport chain 325. While holding the straw, the straw is transported backward.
  • a straw trapping guide 330 is arranged below the straw transport chain 10.
  • the straw trapping guide 330 is composed of a main guide 340 and a sliding guide 341.
  • the main guide 340 is horizontally laid diagonally left and right.
  • the main guide 340 is a round bar-shaped (cylindrical) member having a bent portion 340a having one end (inlet side, left side) bent downward in a substantially U-shape, and the bent portion 340a is fed. It is arranged toward the end side of the chain 9 to facilitate conveyance while holding the culm between the straw conveying chain 10 and the main guide 340.
  • one end (upper end) of a front support rod 331 is rotatably connected to the base of the bent portion 340a of the main guide 340, and the other end is fixed to the threshing machine frame 345 in a side view.
  • U-shaped mounting member The main guide 340 is inserted through holes formed on the upper and lower surfaces of the straw 343 and is externally fitted to the front support rod 331 in the mounting member 343 so that the main guide 340 approaches the straw conveying chain 10 (upward). ).
  • the rail body 333 is a substantially U-shaped member in cross section, and is fixed to the lower surface of the main body of the main guide 340 so that the longitudinal direction thereof is substantially parallel, and the sliding guide 341 can slide from below. To accommodate.
  • the sliding guide 341 is a substantially L-shaped round bar (cylindrical) member having one end (the inlet side, the left side) bent.
  • the bent portion 341a of the sliding guide 341 has a starting end extending downward and a horizontal portion accommodated in a rail body 333 and mounted on sliding rollers 334.335 provided at appropriate intervals below the rail body 333.
  • the sliding rollers 334 and 335 do not fall off the rail body 333 and are slidably supported in the longitudinal direction.
  • the rear support rod 336 has one end (upper end) rotatably pivotally attached to the rear part of the rail body 333 (far from the bent portion 340a of the main guide 340), and the other end fixed to the combine body.
  • the rail body 333 (main guide 340) is inserted through holes formed in the upper and lower surfaces of the U-shaped mounting member 344 and is externally fitted to a rear support rod 336 in the mounting member 344. It is urged in the direction (upward) to approach the straw transporting chain 10.
  • the main guide 340 is pushed downward against the urging force of the springs 332 and 337.
  • the front support rod 331 and the rear support rod 336 are pivotally attached to the main guide main guide 340 and the rail body 333, respectively.
  • the body of the guide 340 can be at an angle that is not parallel to the longitudinal direction of the straw transport chain 10, and the straw can be transported reliably to the rear.
  • the front support rod 331 which supports the front process side of the main guide 340 and serves as a fulcrum is disposed outside the threshing machine frame 345. Since the front support rod was located inside the threshing machine frame, the diameter of the suction fan installed in the threshing machine frame was increased or increased in order to improve the sorting performance in the sorting section. If the position is changed, the fan casing that covers the suction fan may interfere with the front support rod, and the diameter of the suction fan cannot be changed to a required size. Also, even if the front support rods are arranged so as to avoid interference with the suction fan casing, the required position of the slide guides cannot be secured because the position of the front support rods is limited. There was a problem.
  • the front support rod 331 is arranged outside the threshing machine frame 345 with respect to the suction fan 40 arranged inside the threshing machine frame 345. That is, the mounting member 343 is fastened to the outer side surface of the threshing machine frame 345 by the fastening member, and the front support rod 331 is inserted through the hole provided in the mounting member 343 as described above.
  • the sliding guide 341 can be slid by operating an operation lever provided on the control unit via a link mechanism 338 provided below the rail body 333.
  • the link mechanism 338 mainly includes the operating arm 350 and the mounting member 351.
  • a pin 352 a rotating arm 353, a rotating boss 354, a mounting member 355, and a rotating arm 356.
  • the operating arm 350 is formed of an elongated plate-shaped member, and a long hole is formed in a connecting portion on both sides thereof to form an allowable portion. That is, the locking hole 350a is formed at one end (rear side) of the operation arm 350, and the elongated hole 350b is formed at the other end (front side).
  • the locking hole 350a has a somewhat long opal shape, and the leading end of the bent portion 341a of the sliding guide 341 is inserted and connected (see FIG. 49). As described above, the sliding guide 341 is vertically slidably inserted into the locking hole 350a of the operating arm 350, so that the main guide 340 is vertically moved in conjunction with the sliding guide 341. .
  • the bent portion 341a moves up and down without receiving a large resistance.
  • Can slide and operate switching lever After that, it can be easily slid.
  • the straw can be smoothly transported backward without disturbing the posture of the straw.
  • a long hole 350b formed in the other end (front side) of the operation arm 350 is connected to the machine body via a pin. That is, the pin 352 is penetrated through the elongated hole 350b, and the pin 352 is fixed to the mounting member 351 fixed to the body of the compine. Thus, at the time of the switching operation, the operating arm 350 is prevented from falling off from the force mounting member 351 that can slide and rotate along the pin 352.
  • a distal end portion (front portion) of a rotating arm 353 is pivotally attached to a middle portion of the operating arm 350 so as to be rotatable.
  • the base (rear portion) of the turning arm 353 is fixed to a turning boss 354, and the turning boss 354 is turnably connected to a turning shaft 355a of a mounting member 355 fixed to the body of the combine.
  • a base of a rotation arm 356 is fixed to the rotation boss 354, and one end of an operation wire 357 is attached to a tip of the rotation arm 356. The other end of the operation wire 357 is connected to an operation lever (not shown) provided in the cab 14.
  • a spring 358 is interposed between the middle part of the rotating arm 353 and the combine body. The spring 358 biases the rotating arms 353 and 356 to rotate clockwise (to the discharge side of the straw) about the rotating shaft 355a in plan view (see FIG. 52). ing.
  • the trajectory of both ends of the operating arm 350 at the time is allowed to be a straight line in a substantially longitudinal direction in plan view.
  • the slide guide 341 in which the bent portion 341a is fitted into the locking hole 350a is positioned at a position protruding from the rear of the rail body 333 along the rail body 333 (dropping the grain stalk into the field after uniting or directly dropping it. From the position where the stalks are stored in the rail Position at the time of chopping with the turret device 321).
  • the rotating arms 353 and 356 rotate clockwise in plan view (see FIG. 52) by the urging force of the panel 358.
  • the operation arm 350 is rotated counterclockwise, and the sliding guide 341 is slid to the protruding position (right side) so that the straw is not guided to the straw cutter device 321.
  • the straw transport chain 10 is composed of a plurality of link plates 361, and each link plate 361 is formed in a convex shape protruding outward, and the base of the straw is held between the link plates 361. You.
  • a tine 325a is intermittently provided on the link plate constituting the auxiliary straw conveying chain 325, and the leading end side of the straw is held between the tines 325a '325a. In this way, the straw that is transported by the straw transport chain 10 is transported backward while being more securely held by the auxiliary straw transport chain 325.
  • the straw transport chain 10 is wound around a front drive sprocket 362 and a rear driven roller 363.
  • the axial direction of the driving sprocket 362 and the driven roller 363 is horizontal. Therefore, the straw transport chain 10 runs on an oval endless track in the vertical plane.
  • the vertical plane on which the straw transport chain 10 travels is defined as a travel surface of the straw transport chain 10, and a direction relating to the straw transport chain 10 will be defined below with reference to the travel surface.
  • the drive sprocket 362 of the straw transport chain 10 is connected to a handle cylinder drive shaft 322 that drives the handle cylinder 22 of the threshing unit 20 via a belt transmission mechanism 323 and a transmission case 324 in which a drive transmission mechanism is installed. Power is transmitted. The power from the drum drive shaft 322 is also transmitted to the auxiliary straw transport chain 325 via the transmission case 324, and the straw transport chain 10 and the auxiliary straw transport chain 325 are driven synchronously. You.
  • the driven roller 363 is rotatably supported by a roller guide 364.
  • the roller guide 364 includes a pair of guide plates 365 arranged on the left and right sides of the running surface of the straw transport chain 10. Between the guide plates 365, 365, a rotation support shaft 366 force S of the driven opening roller 363 is provided, and a bridge member 379-379 for connecting and fixing the guide plates 365, 365 is provided. Let's do it.
  • the driving sprocket 362 is rotatably supported by a chain guide 367 that guides the straw transport chain 10.
  • the chain guide 367 is formed in a U-shape in a cross-sectional view, and the overall shape is formed by connecting the upper and lower parallel portions 367a'367b and the parallel portions 367a'367b. And a connecting portion 367c.
  • the straw transport chain 10 is provided so that the inner surfaces of the link plates 361, 361, ... of the straw transport chain 10 approach the upper and lower ends of the chain guide 367, and the left and right link plates 361, 361 are provided. Are guided by the roller pins connecting the two. Then, the straw transport chain 10 is guided (guided) by the chain guide 367 and travels (drives) without meandering.
  • the roller guide 364 is supported by the chain guide 367 via a tension spring 368, and the driven roller 363 supported by the roller guide 364 functions as a tension roller of the straw transport chain 10.
  • a device that supports the roller guide 364 with respect to the chain guide 367 and applies tension to the roller guide 364 is a tension device 370.
  • the tension device 370 includes a guide means 371 for supporting the roller guide 364 so as to be able to advance and retreat in the chain tension direction, and a tension means 372 for urging the roller guide 364 toward the chain tension side. And The guide means 371 and the tension means 372 are provided on the left and right of the running surface of the straw transport chain 10, respectively.
  • the chain tension direction is a direction connecting the drive sprocket 362 and the driven roller 363, and means the side of the driven roller 363.
  • the straw conveying chain 10 is wound only around the driving sprocket 362 and the driven roller 363, and only when the driven roller 363 is moved in a direction away from the driving sprocket 362, the straw conveying chain 10 This is because the tension is increased.
  • the above-mentioned chain tension side means the outside of the straw transport chain 10 in the chain tension direction.
  • the guide plate 365 is fixedly provided with the tip of a guide rod 369 extending in the chain tension direction.
  • the chain guide 367 is provided with a pipe-shaped guide rod support member 373 that slidably supports the guide rod 369 through the guide rod 369, and is fixed to the support frame 374 in the horizontal direction in parallel with the chain tension direction. .
  • the guide rod support member 373 can support substantially the upper and lower centers of the straw transport chain 10 and can prevent twisting and the like.
  • the tip of a tension bar 375 extending in the chain tension direction is fixed to the guide plate 365.
  • the tension bar 375 is supported by a support frame 374 fixed to the chain guide 367 so as to be slidable in the horizontal direction in parallel with the chain tension direction.
  • the support frame 374 is a U-shaped member including a pair of front-rear parallel portions 374a ′ 374b and a connecting portion 374c connecting the parallel portions 374a ′ 374b.
  • the parallel portion 374a located on the drive sprocket 362 side has A through hole having substantially the same diameter as the outer diameter of the tension bar 375 is formed, and the tension bar 375 is freely supported by the parallel portion 374a.
  • a screw portion 375a is formed on the axis of the tension bar 375, and nuts 376 and 377 force S that are screwed to the screw portion 375a are provided.
  • the nuts 376 and 377 are double nuts, and the nut 377 is a fastening means for fixing the nut 376 on the tension bar 375.
  • the stomach is a lock nut.
  • the tension spring 368 is interposed between the nut 376 and the parallel plate B374a via a washer 378.
  • the tension means 372 includes the tension bar 375 described above, the parallel portion 374a that freely supports the tension bar 375, a nut 376, and a tension spring 368, and a pair of right and left is arranged. Then, the roller guide 364 integral with the nut 376 is urged toward the chain tension side by the tension spring 368, and tension is applied to the straw conveying chain 10. When the urging force is further increased, the nut 376 is rotated and the nut 377 is locked.
  • the tension device 370 of the straw transport chain 10 includes the roller guide 364 with respect to the chain guide 367 on the left and right sides of the running surface of the straw transport chain 10 in the chain tension direction.
  • Guide means 371 for supporting the retractable movement are provided respectively.
  • a roller guide 364 rotatably supporting the driven roller 363 is supported by a chain guide 367 rotatably supporting the driving sprocket 362 via a tension spring 368. .
  • the roller guide 364 is regulated in the chain tension direction by the moving direction force guide means 371, and the roller guide 364 and the driven roller 363 are driven by the tension force of the tension spring 368. You can't incline the direction. Particularly, in the configuration in which the tension springs 368 are provided on the left and right of the running surface as in the present embodiment, even if the biasing force applied to the roller guide 364 is different between the left and right, the roller guide 364 is a chain. There is no inclination to the direction of tension.
  • the driven roller 363 supported by the roller guide 364 is tilted in the left-right direction, and the link plate 361, 361, ... of the straw transport chain 10 is constantly in contact with the chain guide 367 and is worn.
  • the occurrence of defects is prevented.
  • the tension panels 368 are provided on the left and right sides of the running surface, even if the biasing forces of the left and right tension panel 368 are not equalized, the constant contact between the straw transport chain 10 and the chain guide 367 is prevented. Therefore, tension adjustment is easy.
  • the guide means 371 supports the guide rod 369 fixed to the roller guide 364 and the guide rod 369 slidably, and the guide rod support member 37 fixed to the chain guide 377. It consists of three.
  • the roller guide 364 is slidably supported by the chain guide 367 in the chain tension direction. Therefore, the driven roller 363 as the tension roller can be slid in the chain tension direction with the simple structure as described above, and the tension device 370 is excellent in durability and causes an increase in cost in the production thereof. Nor.
  • Tension means 372 are provided on the left and right sides of the running surface of the straw transport chain 10, respectively.
  • the tension means 372 is composed of the following.
  • the roller guide 364 is urged by the chain guide 367 toward the chain tension side on the left and right sides of the running surface of the straw transport chain 10. Further, by rotating the nuts 376 and 377 with a tool or the like, the biasing force of the left and right tension panels 368 can be adjusted. Therefore, the tension applied to the straw transport chain 10 by the driven roller 363 can be finely adjusted.
  • FIG. 1 the straw drainage shirt 390 will be described with reference to FIGS. 1, 2, 48, 57, and 58.
  • FIG. 1 is a diagrammatic representation of the straw drainage shirt 390.
  • a processing section cover 380 that covers the upper part of the straw processing section 11 so as to be able to open and close is provided in the upper rear part of the combine.
  • the processing unit cover 380 is attached to a support frame 381 erected on the body frame 2 of the combine, and The rotation support shafts 382 are provided so as to be able to rotate up and down around 382.
  • the processing unit cover 380 is provided with a straw safety that enables the opening on the start end side of the straw transport chain 10 to be opened and closed at a position lateral to the start end (front end) of the straw transport chain 10.
  • a shutter 390 is provided.
  • the straw safety shirt 390 is disposed above the rear end of the feed chain 9, and is pivotally mounted on the left side of the processing unit cover 380 via a left-right rotation support shaft 391. When the delivered straw is transferred to the straw transport chain 10, the stock side of the straw pushes up the straw safety shirt 390 upward to rotate, and is closed when not transported.
  • the drainage safety shirt 390 is pivotally supported at one point in the upper front part, and therefore the rear part is easily deformed when a large force is applied in the left and right directions.
  • the straw is conveyed backward by the feed chain 9 in the left-right posture, but when the straw is taken over by the straw conveyance chain 10, the straw is conveyed obliquely into the body.
  • the protruding strain is drawn into the processing unit cover 380 by the straw transport chain 10, and the straw safety shirt 390 is provided. Is pushed upward, and at the same time, the straw safety shirt 390 attempts to be drawn inward.
  • the combine of the present embodiment is provided with a means for restricting movement (twist) of straw safety shirter 390 to the outside.
  • the regulating means utilizes a lock lever 383 of the processing unit cover 380.
  • a lock lever 383 of the processing unit cover 380 protruding from the left side surface of the processing unit cover 380 is provided.
  • the lock lever 383 is a lever that is unlocked when the processing unit cover 380 is opened for maintenance or the like. When the lock lever 383 is lifted, the lock is released.
  • the lock lever 383 is formed by bending the distal end of the lever rod 383b forward to form a grip 383a, and the front end of the grip 383a is further bent inward to approach the drainage safety shirt 390.
  • the grip 383a overlaps with the rear part of the straw safety shirt 390 in the left side view and also overlaps with the entrance 380a opened on the left side of the processing unit cover 380.
  • the straw safety shirt 390 is pulled in when the straw is transported by the straw transport chain 10, but is turned upward along the outer surface of the processing unit cover 380. When moving, it abuts on the grip 383a to prevent deformation.
  • Equipped with a self-removing type threshing 'sorting device it can be used for an agricultural work vehicle that threshes and sorts while transporting the stalks collected to obtain grains and discharges the culms.
PCT/JP2004/012077 2003-09-29 2004-08-23 コンバイン WO2005036948A1 (ja)

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CN2004800281442A CN1859839B (zh) 2003-09-29 2004-08-23 联合收割机

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KR101614342B1 (ko) * 2011-07-20 2016-04-21 얀마 가부시키가이샤 콤바인
JP2015198637A (ja) * 2014-04-04 2015-11-12 株式会社クボタ 自脱型コンバイン
CN113812267B (zh) * 2014-08-05 2023-07-11 株式会社久保田 联合收割机以及装载在该联合收割机的脱粒装置
CN104686052B (zh) * 2015-02-11 2017-01-25 韩洪乐 手推式半自动收割机
DE102016012245B4 (de) 2016-10-14 2018-04-26 Grimme Landmaschinenfabrik Gmbh & Co. Kg Hackfruchternter in Form einer Kartoffelerntemaschine
CN107983635B (zh) * 2017-12-31 2023-10-27 吉林大学 往复变向翻拋式湿黏谷物高效振动清选装置
CN113475218B (zh) * 2020-06-03 2022-11-11 苏州喜全软件科技有限公司 单纵轴流联合收获机清选装置

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JPS5756453U (zh) * 1980-09-20 1982-04-02
JPS59163349U (ja) * 1983-04-18 1984-11-01 ヤンマー農機株式会社 脱穀装置

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DE3415708A1 (de) * 1984-04-27 1985-10-31 Biso Bitter Gmbh & Co Kg, 4520 Melle Maehdrescher
CN2328170Y (zh) * 1998-03-02 1999-07-14 杨自亮 “固定网”式谷草全自动双分离轻便打稻机

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JPS5756453U (zh) * 1980-09-20 1982-04-02
JPS59163349U (ja) * 1983-04-18 1984-11-01 ヤンマー農機株式会社 脱穀装置

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CN1859839A (zh) 2006-11-08
CN1859839B (zh) 2010-05-12
KR101110976B1 (ko) 2012-03-13
JPWO2005036948A1 (ja) 2007-11-22
KR20060110864A (ko) 2006-10-25
JP4528724B2 (ja) 2010-08-18

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