JP6625352B2 - Combine - Google Patents

Description

  The present invention relates to a combine, and more particularly, to a structure in which a horizontal carry-out conveyor of a grain storage unit provided in a combine can be drawn forward from the grain storage unit.

  Conventionally, a grain storage unit containing a horizontal carry-out conveyor with an axis oriented in the front-rear direction is connected to a grain carry-out unit containing a vertical carry-out conveyor with a vertical axis oriented through a connection unit. The rear end of the horizontal carry-out conveyor and the lower end of the vertical carry-out conveyor are interlockingly connected via an interlocking connector provided in the unit, so that the grains stored in the grain storage unit can be carried out by both conveyors However, for example, Patent Documents 1 and 2 disclose.

  That is, Patent Documents 1 and 2 disclose that a horizontal carry-out conveyor whose axis is oriented in the front-rear direction is provided substantially horizontally at the bottom of a grain storage unit, and that a grain carry-out conveyor provided behind the grain storage unit is provided. The vertical discharge conveyor with its axis oriented vertically in the part is built up almost vertically, the rear end of the horizontal discharge conveyor protruding backward from the rear wall of the grain storage unit, and the lower end of the vertical discharge conveyor , Are removably interlocked and connected via an interlocking connector provided in the connection portion. The front end of the horizontal carry-out conveyor is detachably connected to the drive unit in an interlocking manner.

  More specifically, Patent Literature 1 discloses that both conveyors are arranged by disposing an axis of a horizontal carry-out conveyor and an axis of a vertical carry-out conveyor on the same vertical plane, and removing an interlocking connection body from a connection portion. A structure is disclosed in which the interlocking connection state of the horizontal discharge conveyor is released, the rear side of the horizontal discharge conveyor is opened, and the horizontal discharge conveyor can be pulled out rearward.

  Further, in Patent Document 2, the axis of the horizontal carry-out conveyor and the axis of the vertical carry-out conveyor are arranged at twisted positions, and the rear end of the horizontal carry-out conveyor and the lower end of the vertical carry-out conveyor are placed on the side. Remove the interlocking connection with both conveyors by disposing the interlocking link from the connection part by visually disposing the interlocking link, and open the rear of the horizontal unloading conveyor and move the horizontal unloading conveyor backward. A structure capable of being pulled out is disclosed.

Japanese Utility Model Publication No. 6-29008 Japanese Patent Publication No. 6-53020

  However, in Patent Document 1, since the axis of the horizontal discharge conveyor and the axis of the vertical discharge conveyor are arranged on the same vertical plane, the rear end of the horizontal discharge conveyor, the lower end of the vertical discharge conveyor, When removing the interlocking link that interlocks the link from the connection, once move the rear end of the horizontal carry-out conveyor from the transmission case to the grain storage section using a tool such as a round bar. The interlocking connection state is released, and then the transmission case is moved downward, so that the interlocking connection state between the interlocking connection body and the lower end of the vertical carry-out conveyor has to be released.

  Further, in Patent Document 2, since the axis of the horizontal discharge conveyor and the axis of the vertical discharge conveyor are arranged at the twist position, the rear end of the horizontal discharge conveyor and the lower end of the vertical discharge conveyor are separated. The interlocking connection body that interlocks and links has a complicated configuration in which a gear, a transmission chain, and the like are incorporated. For this reason, the interlocking connection body is kept in an interlocking connection with the rear end of the horizontal discharge conveyor, so that only the interlocking connection with the lower end of the vertical discharge conveyor is released. Therefore, in Patent Literature 2, there is a complexity that the horizontal carry-out conveyor and the interlocking link, which are heavy objects, must be pulled out together.

  Therefore, an object of the present invention is to provide a combine that enables a horizontal carry-out conveyor to be easily pulled out forward from a grain storage unit.

The invention according to claim 1 is
A grain storage unit with a vertical carry-out conveyor with a vertical axis oriented is connected to a grain storage unit with a horizontal carry-out conveyor with an axis oriented in the front-rear direction. A combine that connects the rear end of the horizontal carry-out conveyor and the lower end of the vertical carry-out conveyor interlockingly via the interlocking connector provided so that the grains stored in the grain storage section can be carried out by both conveyors. hand,
The rear end of the horizontal carry-out conveyor and the interlocking connector are interlockingly connected so that they can be freely inserted and removed in the front-rear direction.
The grain storage unit and the grain discharge unit that are integrally connected via the connection unit are configured so that the front side can be pivotally displaced outward with the rear side as a fulcrum,
The horizontal carry-out conveyor can be pulled out forward from the grain storage part that has been rotated and displaced outward,
Between the horizontal unloading conveyor and the drive unit that supplies power to the horizontal unloading conveyor, a conveyor transmission mechanism is interposed,
The conveyor transmission mechanism has a transmission case, an input pulley attached to a transmission input shaft rotatably supported by the transmission case, and interlockingly connected to an output pulley of the driving unit,
The conveyor transmission mechanism is detachably linked to the horizontal conveyor and the drive unit ,
The transmission case includes a plate-shaped mounting body attached to the grain storage unit, a pair of left and right plate-shaped supports formed by extending forward from the mounting body, and a case body mounted between the front ends of both supports. And comprising
Between the case body and the mounting body, the output shaft whose axis is oriented in the front-rear direction
The rear end of the output shaft is extended into the grain storage unit to form an extension,
The extension section and the front end of the horizontal carry-out conveyor are connected in an interlocking manner so that they can be freely inserted and removed in the front-rear direction.
An eccentric piece is provided in the middle of the output shaft located between the pair of left and right supports, and the lower end of the interlocking body is detachably connected to the eccentric piece between the pair of left and right supports .

  According to the first aspect of the present invention, the rear end portion of the horizontal discharge conveyor and the interlocking connection body are interlockably connected to each other so as to be able to be pulled out and inserted in the front-rear direction, and the horizontal discharge conveyor is moved outward to store the grain. Since the drawer can be pulled out from the front part, the horizontal discharge conveyor is moved forward, the rear end part comes out of the interlocking connection body, the interlocking connection state is released, and the front side is largely opened. It can be easily pulled forward from the grain storage unit. Therefore, maintenance work and the like of the horizontal carry-out conveyor drawn out from the grain storage unit can be easily performed. After the maintenance work or the like is performed, the function of the grain storage unit can be restored by following the opposite procedure.

According to the first aspect of the present invention, a conveyor transmission mechanism is interposed between the horizontal discharge conveyor and a driving unit that supplies power to the horizontal discharge conveyor, and the conveyor transmission mechanism is driven by the horizontal discharge conveyor. Since the conveyor transmission mechanism is detachably connected to the respective parts, the conveyor transmission mechanism is integrally connected via the connection part by releasing the interlocking connection state with the horizontal discharge conveyor and / or the drive unit. The grain storage part and the grain discharge part can be easily rotated and displaced outward.
In addition, an eccentric piece is provided in the middle of the output shaft located between the pair of left and right supports, and the eccentric piece is covered with the support on the left and right sides, and its upper and lower sides are opened. Therefore, the scattered dust falls without staying in the eccentric piece. Therefore, the eccentric pivoting function of the eccentric piece is ensured, and the swinging function of the swinging body via the interlocking body and the support shaft is ensured. As a result, it is possible to prevent the grains from causing a bridging phenomenon or an arching phenomenon in the grain storing section by the steady swinging operation of the swinging body, and the grains are reliably supplied to the horizontal carry-out conveyor.

According to a second aspect of the invention, a combine of claim 1 Symbol placement,
An output shaft is provided at the end of the conveyor transmission mechanism,
The rear end of the output shaft and the front end of the horizontal carry-out conveyor are interlockingly connected so that they can be freely inserted and removed in the front-rear direction.

According to the second aspect of the present invention, the rear end of the output shaft provided at the end of the conveyor transmission mechanism and the front end of the horizontal carry-out conveyor are interlockingly connected so as to be able to be inserted and removed in the front-rear direction. By pulling out the rear end from the front end of the horizontal discharge conveyor, the interlocking connection between the terminal end of the conveyor transmission mechanism and the horizontal discharge conveyor can be released. Therefore, by releasing the interlocking connection state with the end portion of the conveyor transmission mechanism before pulling out the horizontal discharge conveyor, the operation of pulling out the horizontal discharge conveyor can be performed more easily.

The invention according to claim 3 is the combine according to claim 1 or 2 ,
In the grain storage section, at a position directly above the horizontal carry-out conveyor, a rocking body is swingably mounted via a support shaft oriented in the front-rear direction,
The front end of the spindle is extended outward from the grain storage unit to form an extension,
While the upper end of the interlocking body is detachably connected to the extension,
The lower end of the interlocking body is detachably connected to the eccentric piece provided on the conveyor transmission mechanism.

According to the third aspect of the present invention, the upper end of the interlocking body is detachably connected to the extension of the support shaft extending forward and outward from the grain storage unit, while the eccentric frame provided on the conveyor transmission mechanism. In addition, since the lower end of the interlocking body is removably connected to the lower end, the upper and lower ends of the interlocking body can be easily removed from the extending portion of the support shaft and the eccentric piece outside the grain storage unit. Therefore, the grain storage unit and the grain discharge unit, which are integrally connected via the connection unit, are rotationally displaced outward, so that the grain storage unit having the open front has a horizontal discharge conveyor forward. When pulling out, the interlocking body does not hinder.

  Advantageous Effects of Invention According to the present invention, it is possible to provide a combine that enables a horizontal carry-out conveyor to be easily pulled out forward from a grain storage unit.

The left view of the combine which shows this embodiment. The right view of the combine which shows this embodiment. The explanatory right side view of a grain storage part and a grain discharge part. Explanatory perspective view from the front of the grain storage unit. The front perspective view of a grain storage part. The partial sectional left view of the front part of a grain storage part. Explanatory perspective view of an interlocking connection part. Explanatory perspective view showing an interlocking connection state. FIG. 4 is a right side explanatory sectional view of an interlocking connection portion. Exploded perspective view of a horizontal carry-out conveyor. FIG. 3 is an explanatory plan view of taking out a horizontal carry-out conveyor. The conceptual diagram of the transmission structure of a combine.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. A shown in FIGS. 1 and 2 is an ordinary combine (hereinafter, simply referred to as “combine”).

[Schematic overall description of combine]
The combine A has a reaping unit 2 attached to a front end of a self-propelled traveling machine body 1 so as to be movable up and down. Then, the cutting unit 2 cuts the spike-side part from the middle part of the stalks of the standing hair, and the remaining culm of the standing hair, the spike-side part of which has been cut by the main cutting blade device 3, to the root part. And a sub-cutting blade device 4 that cuts off the cutting blades.

  As shown in FIGS. 1 and 2, the traveling body 1 has a body frame 11 provided between a pair of left and right traveling parts 10, 10. On the left side of the body frame 11, a threshing unit 12 for threshing the front side of the harvested grain culm and a sorting unit 13 for sorting threshed grains are arranged in upper and lower stages. A dust discharge port 14 for discharging straw waste and the like to a field outside the machine is opened rearward. Further, a driving unit 15 for performing a driving operation is disposed at a front portion on the right side of the body frame 11, and a grain storage unit that stores the grains (clean grains) sorted by the sorting unit 13 behind the operating unit 15. A grain discharge section 17 is provided at the rear end to discharge the grains stored in the grain storage section 16 to the outside of the machine. An engine 18 and the like as a motor unit serving as a power source are disposed below a rear portion of the operation unit 15.

  The reaping unit 2 includes a rectangular cylindrical feeder house 20 whose axis is oriented in the front-rear direction, a horizontally long bucket-shaped grain header 21 connected to the front end of the feeder house 20, and a front lower end edge of the grain header 21. The main cutting blade device 3 in the form of a clipper, a pair of left and right weeds 22, 22 formed by extending forward from the front left and right sides of the grain header 21, and a scraper disposed above and in front of the grain header 21. And an embedded reel 23.

  The rear end of the feeder house 20 pivotally supports a cutting input shaft 65 (feeder house conveyor shaft), which will be described later, having a horizontal axis directed to the front of the threshing unit 12, and the lower surface of the feeder house 20 and the body frame 11. A raising / lowering cylinder (not shown) is interposed between the front end portion and the raising / lowering hydraulic cylinder to extend and retract, so that the reaping unit 2 can be raised and lowered with the reaping input shaft 65 as a lifting fulcrum.

  Also, the cutting unit 2 includes a sub-cutting blade device 4, which is configured like a clipper like the main cutting blade device 3, and is drooped forward and downward on the front end of the body frame 11. The main cutting blade device 3 is disposed behind the main cutting blade device 3 by being attached. In the feeder house 20, a supply conveyor 25 is provided, and in the grain header 21, a scraping auger 26 (platform auger) is rotatably mounted around a left-right axis. The raking reel 23 is rotatably supported around an axis in the left-right direction so as to continuously rub against the raking auger 26 side while rotating around the tip of the germ stem of the standing hair.

  The operating portions of the above-described portions are configured to be appropriately operated in conjunction with the engine 18 via respective interlocking mechanisms described below.

  In the combine A configured as described above, in the field, the cutting unit 2 is raised to a desired height above the ground (the cutting position of the standing hair culm), and the traveling machine 1 is driven in that state. By doing so, the trichomes of the standing hair are weeded by the weeds 22, 22, and while the spikes of the weeded stalks are scraped by the scraping reel 23, the main cutting blade device 3 midway through the culms. From the side of the ear. The spike tip side of the grain stalk cut at the desired cutting position is scraped into the grain header 21 by the scraping auger 26, and is supplied to the threshing unit 12 through the feeder house 20 by the supply conveyor 25. The tip side of the grain stem supplied to the threshing unit 12 is subjected to threshing by the threshing unit 12, and the grain subjected to threshing by the threshing unit 12 is subjected to a sorting process by the sorting unit 13. The grains (clean grains) sorted by the sorting unit 13 are stored in the grain storage unit 16. The grains stored in the grain storage unit 16 are appropriately carried out of the machine by the grain discharge unit 17. The straw waste separated from the grains in the threshing unit 12 is discharged from the dust outlet 14 to a field outside the machine. The remaining culm from which the tip side has been cut is cut off from the base by the sub-cutting blade device 4 and left in the field.

[Description of Characteristic Configuration of Present Embodiment]
Next, a characteristic configuration of the combine A according to the present embodiment configured as described above will be described with reference to FIGS.

  That is, the combine A connects the grain discharge section 17 to the grain storage section 16 via the connection section 19 in a communicating state. The grain storage unit 16 has a built-in horizontal carry-out conveyor 300 whose axis is oriented in the front-rear direction, and the horizontal carry-out conveyor 300 is disposed at the bottom of the grain storage unit 16. The grain discharge section 17 is arranged upright behind the grain storage section 16 and includes a vertical discharge conveyor 400 whose axis is oriented vertically. The connecting portion 19 has an interlocking connector 510 provided therein, and interlocks and connects the rear end of the horizontal discharge conveyor 300 and the lower end of the vertical output conveyor 400 via the interlocking connector 510. 400 allows the grains stored in the grain storage unit 16 to be carried out of the machine.

  The rear end portion of the horizontal carry-out conveyor 300 and the interlocking connection body 510 are interlockingly connected so that they can be freely inserted and removed in the front-rear direction. The grain storage section 16 and the grain discharge section 17 integrally connected via the connection section 19 can be rotationally displaced outward on the front side with the rear side as a fulcrum. The horizontal carry-out conveyor 300 is configured to be able to be pulled out forward from the grain storage unit 16 that is rotationally displaced outward.

  The grain storage section 16 and the grain discharge section 17 are integrally formed via a connection section 19 and are rotatably attached to the machine frame 11 via a rotation support base 600. That is, the rotation support base 600 is provided with a rotation fulcrum 610 having an axis oriented in the vertical direction at the rear, and the rotation fulcrum 610 is pivotally supported by the machine body frame 11, and A closed position (use position) (a) in which the front side of the grain storage unit 16 is directed forward with the rear portion, in this embodiment, the rotation fulcrum portion 610 as a fulcrum, and an outer side (in this embodiment, The position can be changed to an open position (non-use position) (b) in which the right halfway portion on the body frame 11 is opened by being rotationally displaced outward (to the right).

  A conveyor transmission mechanism 700 is interposed between the horizontal unloading conveyor 300 and the engine 18 as a driving unit that supplies power to the horizontal unloading conveyor 300. The conveyor transmission mechanism 700 is detachably connected to the horizontal discharge conveyor 300 and the engine 18 in a detachable manner. An output shaft is provided at the end of the conveyor transmission mechanism 700. The rear end of the output shaft and the front end of the horizontal carry-out conveyor 300 are interlockingly connected so that they can be freely inserted and removed in the front-rear direction.

  In the grain storage unit 16, at a position directly above the horizontal carry-out conveyor 300, a rocking body 800 is swingably mounted via a support shaft 810 whose axis is oriented in the front-rear direction. The front end of the support shaft 810 extends forward and outward from the grain storage unit 16 to form a front outward extension 820. The upper end of the interlocking body 830 is detachably connected to the front outward extension 820, and the lower end of the interlocking body 830 is detachably connected to the eccentric piece 710 provided in the conveyor transmission mechanism 700. are doing.

  The conveyor transmission mechanism 700 has a transmission case 720. The transmission case 720 includes a plate-shaped mounting body 730 detachably attachable to the front wall 220 of the grain storage unit 16 with mounting bolts 792, and a pair of left and right plates formed to extend forward from the mounting body 730. And a case body 750 mounted between the front ends of both supports 740. In the present embodiment, the mounting body 730, the pair of left and right supports 740, and the case body 750 are integrally formed. A transmission output shaft 760 whose axis is oriented in the front-rear direction is horizontally suspended in a space formed in a vertical opening shape between the case body 750, the pair of left and right supports 740, and the mounting body 730. The rear end of the transmission output shaft 760 extends into the grain storage unit 16 to form a rear extension 770, and the front end of the rear extension 770 and the horizontal conveyer 300, that is, a horizontal conveyor shaft to be described later. The front spline fitting recess 315 of the 310 is interlockingly connected so as to be freely inserted and removed in the front-rear direction. An eccentric piece 710 is provided in the middle of the transmission output shaft 760 located between the pair of left and right supports 740, and the lower end of the interlocking body 830 is detachably attached to the eccentric piece 710 between the pair of right and left supports 740. Connected.

  One end of the conveyor transmission mechanism 700 linked to the engine 18 is detachable from the engine 18. The upper end of the interlocking body 830 can be detached from the front outwardly extending portion 820 of the support shaft 810 that supports the rocking body 800, while the lower end of the interlocking body 830 can be detached from the eccentric piece 710. By doing so, the grain storage unit 16 and the grain discharge unit 17 are in front of the grain storage unit 16 via the rotation fulcrum 610 on the rear side of the rotation support base 600 that integrally supports the grain storage unit 16. The part is pivotally displaced outward to the right so as to be movable to an open position (unused position) (b).

  In the state moved to the open position (non-use position) (b), the rear extension 770 of the transmission output shaft 760 which is the other end of the conveyor transmission mechanism 700 is formed at the front end of the horizontal discharge conveyor 300. It is spline-fitted so that it can be extracted in the axial direction from the front spline fitting recess 315.

  Therefore, by disengaging the mounting bolts 792, the transmission case 720 is moved forward from the front wall 220 of the grain storage unit 16, and extends rearward from the front spline fitting recess 315 formed at the front end of the horizontal discharge conveyor 300. The protrusion 770 can be pulled out (unmated). Then, the horizontal carry-out conveyor 300 can be withdrawn axially forward from the front conveyor insertion hole 230 formed in the front wall 220 of the grain storage unit 16. At this time, the rear spline fitting concave portion 316 formed at the rear end of the horizontal carry-out conveyor 300 is splined in a state of being externally fitted to the rear spline fitting projection 566 of the horizontal interlocking connection shaft 564 supported by the interlocking connection body 510. Although they are fitted, they are pulled forward (unfitted) with the forward movement of the horizontal carry-out conveyor 300, so that there is no hindrance to the work of pulling the horizontal carry-out conveyor 300 forward.

  In the present embodiment configured as described above, the rear end portion of the horizontal discharge conveyor 300 and the interlocking connection body 510 are interlockingly connected to be able to be inserted and removed in the front-rear direction, and the horizontal discharge conveyor 300 is rotationally displaced outward. Since the extracted grain storage unit 16 is configured to be able to be pulled out forward, the horizontal discharge conveyor 300 is moved forward, so that the rear end portion is disengaged from the interlocking connection body 510 and the interlocking connection state is released. At the same time, the grain can be easily pulled out forward from the grain storage unit 16 whose front is largely open. Therefore, maintenance work and the like of the horizontal carry-out conveyor 300 drawn out from the grain storage unit 16 can be easily performed. After the maintenance work or the like is performed, the function of the grain storage unit 16 can be restored by following the opposite procedure.

  At this time, a conveyor transmission mechanism 700 is interposed between the horizontal discharge conveyor 300 and the engine 18 that supplies power to the horizontal discharge conveyor 300, and the conveyor transmission mechanism 700 is connected to the horizontal discharge conveyor 300 and the engine 18. Respectively, so that the conveyer transmission mechanism 700 is integrally connected via the connecting portion 19 by releasing the interlocking connection state with the lateral discharge conveyor 300 and / or the engine 18. The grain storage section 16 and the grain discharge section 17 can be easily displaced outwardly.

  Since the rear end of the transmission output shaft 760 provided at the end of the conveyor transmission mechanism 700 and the front end of the horizontal carry-out conveyor 300 are connected in an interlocking manner so that they can be freely inserted and removed in the front-rear direction, the rear end of the transmission output shaft 760 is provided. By pulling out the part from the front end of the horizontal discharge conveyor 300, the interlocking connection between the terminal end of the conveyor transmission mechanism 700 and the horizontal discharge conveyor 300 can be released. Therefore, by releasing the interlocking connection state with the end portion of the conveyor transmission mechanism 700 before pulling out the horizontal discharge conveyor 300, the operation of pulling out the horizontal discharge conveyor 300 can be performed more easily.

  The upper end of the interlocking body 830 is detachably connected to the front outward extension 820 of the spindle 810 extending forward and outward from the grain storage unit 16, while the eccentric provided on the conveyor transmission mechanism 700. Since the lower end of the interlocking body 830 is detachably connected to the top 710, outside the grain storage section 16, the front and outside extending portions 820 of the support shaft 810 and the eccentric top 710 move up and down of the interlocking body 830. The end can be easily removed. Therefore, the grain storage unit 16 and the grain discharge unit 17 that are integrally connected via the connection unit 19 are rotationally displaced outward, and the grain storage unit 16 and the grain storage unit 16 that are open forward are directed forward. When pulling out the horizontal carry-out conveyor 300, the interlocking body 830 does not hinder.

  An eccentric piece 710 is provided in the middle of the transmission output shaft 760 located between the pair of left and right supports 740. Since the lower portion is open, the scattered dust and the like fall without staying in the eccentric piece 710. Therefore, the eccentric rotation function of the eccentric piece 710 is secured, and the swing function of the swing body 800 via the interlocking body 830 and the support shaft 810 is secured. As a result, the solid rocking motion of the rocking body 800 can prevent the grains from causing a bridging phenomenon or an arching phenomenon in the grain storage unit 16, and can supply the grains reliably to the horizontal discharge conveyor 300. Is done.

  As described above, the interlocking connection between the engine 18 and one end of the conveyor transmission mechanism 700 is released, and the interlocking member 830 is removed, whereby the grain storage unit 16 can be rotationally displaced outward. As a result, the front of the grain storage unit 16 can be largely opened. Then, in a state where the grain storage unit 16 is rotationally displaced outward and the front side is opened, the interlocking connection state between the other end of the conveyor transmission mechanism 700 and the horizontal carry-out conveyor 300 is released, The horizontal carry-out conveyor 300 can be easily pulled out forward from the grain storage unit 16. Therefore, maintenance work or the like of the drawn-out lateral conveyer 300 can be easily performed. After the maintenance work or the like is performed, the grain storage unit 16 can be easily restored to the original state by following the opposite procedure.

[More specific description of the characteristic configuration in the present embodiment]
Next, the characteristic configuration in the above-described embodiment will be described more specifically with reference to FIGS.

  That is, the grain storage unit 16 includes the storage unit main body 200 and the horizontal carry-out conveyor 300. The storage unit main body 200 is formed in a rectangular box shape that is vertically elongated in the front-rear direction, and the bottom part 210 is formed in a gutter shape extending in the front-rear direction. A front conveyor insertion hole 230 is formed below the front wall 220 of the storage section main body 200, and a rear conveyor insertion hole 250 is formed below the rear wall 240. The horizontal discharge conveyor 300 has its axis aligned (coaxially) aligned with the center of the front / rear conveyor insertion holes 230 and 250 in the gutter-shaped bottom 210 in the front-rear direction, and the rear end thereof. , Through the rear conveyor insertion hole 250, so as to protrude rearward from the rear wall 240 of the storage unit main body 200. The horizontal discharge conveyor 300 can be freely inserted and removed from the front through the front and rear conveyor insertion holes 230 and 250.

  The horizontal carry-out conveyor 300 has a transmission case 720 detachably attached to the front wall 220 of the storage unit main body 200 supporting the front end, and a connecting portion 19 connected to the rear wall 240 of the storage unit main body 200 and a rear end. The part is supported.

  That is, the horizontal carry-out conveyor 300 includes a horizontal conveyor shaft 310 whose axis is oriented in the front-rear direction, and a horizontal screw blade 320 protruding from the outer peripheral surface of the horizontal conveyor shaft 310. At the front end of the horizontal conveyor shaft 310, a front spline fitting concave portion 315 that opens forward is formed. The rear extension 770 of the transmission output shaft 760 having the front spline fitting projection 768 formed on the outer peripheral surface is fitted into the front spline fitting recess 315 so that it can be freely inserted and removed from the front in the axial direction. I have. The rear end of the horizontal conveyor shaft 310 is formed with a rear spline fitting concave portion 316 that opens rearward. The rear spline fitting concave portion 316 is spline-fitted to the front end portion of the horizontal interlocking connection shaft 564 having the rear spline fitting convex portion 566 formed on the outer peripheral surface so that it can be freely inserted and removed in the axial direction from the front.

  On the outer peripheral surface of the rear end of the horizontal conveyor shaft 310, an umbrella-shaped outer fitting support 317 that opens rearward is provided. The outer shaft support piece 560 is externally fitted and connected. A pair of blades 318 are attached to the outer peripheral surface of the outer fitting support 317 so as to project outward by being displaced by 180 degrees in the circumferential direction. The pair of blades 318 jumps up the grain discharged to the rear end by the horizontal discharge conveyor 300 toward the lower part of the vertical discharge conveyor 400 and transfers the kernel to the vertical discharge conveyor 400. An additional blade piece 319 is attached to the tip of the blade body 318 so as to protrude outward and rearward. The additional blade piece 319 is connected to the lower end of a vertical screw blade 420 of a vertical carry-out conveyor 400, which will be described later, as shown in FIG. As shown in the right side view shown in FIG. 5, the grains are arranged in a superposed state so that the delivery of the kernels to the vertical screw blades 420 is performed steadily.

  The case body 750 provided in the transmission case 720 is detachably attached to a flat cylindrical peripheral wall piece 751, a rear wall piece 752 stretched on the rear end edge of the peripheral wall piece 751, and a front end edge of the peripheral wall piece 751. Lid 753. On the right side of the peripheral wall piece 751, a cylindrical shaft support piece 754 whose axis is oriented in the left-right direction is protruded in a communicating state. In the shaft support piece 754, a transmission input shaft 756 is rotatably supported in a penetrating state via an input side bearing 755. An output bevel gear 757 is attached to the left end of the transmission input shaft 756 to dispose the output bevel gear 757 in the case body 750, while an input pulley 758 protrudes rightward from the shaft support piece 754 to the right end thereof. Is installed. A front bearing 762 is provided at the center of the rear wall piece 752, and a rear bearing 764 is provided at the center of the mounting body 730, and the transmission output shaft 760 is provided between the bearings 762 and 764 opposed in the front-rear direction. It is laid horizontally with its axis facing forward and backward. An input bevel gear 766 is attached to the front end of the transmission output shaft 760, and the input bevel gear 766 is disposed in the case body 750 so as to mesh with the output bevel gear 757. A rear extension 770 formed at the rear end of the transmission output shaft 760 projects rearward from the mounting body 730. A front spline fitting projection 768 is formed on the outer peripheral surface of the transmission output shaft 760. The front spline fitting concave portion 315 formed at the front end of the horizontal conveyor shaft 310 as described above is spline-fitted to the front spline fitting convex portion 768 of the rear extension portion 770 so that the front spline fitting concave portion 315 can be freely inserted and removed from the front. are doing.

  The boss portion 712 is spline-fitted to the middle of the transmission output shaft 760 so that the boss portion 712 is fitted to the outside. The axis of the rear portion of the boss portion 712 is deviated in the radial direction from the axis of the transmission output shaft 760. I have. An eccentric piece 710 is formed on a rear outer peripheral surface of the boss 712 by rotatably attaching a rotating body 716 via a bearing 714 in an externally fitted state. The interlocking body 830 has a bifurcated sliding contact piece 832 that bifurcates left and right at the lower end thereof. The bifurcated sliding contact piece 832 is formed on the peripheral surface of the rotating body 716 of the eccentric top 710 on the left and right sides. It can be slid from one side. The interlocking body 830 is provided with a mounting piece 834 formed in a short-width cylindrical shape at the upper end thereof. The mounting piece 834 is removably fitted to the extension 820 of the support shaft 810, and is fixed by a fixing screw 836. It is fixed.

  In the eccentric piece 710 configured as described above, the boss 712 externally fitted to the transmission output shaft 760 is rotated eccentrically with respect to the axis of the transmission output shaft 760 in conjunction with the rotation of the transmission output shaft 760. Thus, the axis of the rotating body 716 rotatably mounted on the boss 712 via the bearing 714 in an externally fitted state is rotated and moved eccentrically with the axis of the transmission output shaft 760. Then, the bifurcated sliding contact piece 832 of the interlocking body 830 sliding on the peripheral surface of the rotating body 716 is swung in the left-right direction. Then, the support shaft 810 interlockingly connected to the upper end of the interlocking body 830 is repeatedly reciprocated around the axis in the normal rotation direction and the reverse rotation direction, and the rocking body 800 connected to the support shaft 810 is supported. It is swung right and left around the axis of the shaft 810.

  The oscillating body 800 is formed in a roof shape extending in the front direction so that grains can be distributed and guided to the left and right sides of the horizontal carry-out conveyor 300, and the axis of the oscillating body 800 is oriented in the front-rear direction at the corners. The support shaft 810 is attached. The support shaft 810 is formed so that the front and rear ends protrude in the front and rear direction from the front and rear ends of the rocking body 800. The front end of the support shaft 810 is supported at a lower portion of the front wall 220 of the storage unit main body 200 via a front support bracket 840, and extends frontward and outward through a support shaft insertion hole 842 formed in the front wall 220. The protrusion 820 is projected forward. The rear end of the support shaft 810 is supported at the lower portion of the rear wall 240 of the storage section main body 200 via a rear support bracket 844.

  At the lower part of the front wall 220 of the storage section main body 200, a front mounting plate 772 is mounted in a surface-joined state, and the front mounting plate 772 has a front insertion matching the front conveyor insertion hole 230 formed in the front wall 220. A hole 774 is formed.

  In the engine 18, a fan drive shaft 131 for driving the cooling fan 132 is projected rightward, and an output pulley 702 is attached to a middle portion of the fan drive shaft 131. A transmission belt 704 is wound between the output pulley 702 and the input pulley 758 in a relaxed state. The transmission belt 704 wound in a relaxed state can be wound in a tensioned state by a tension mechanism 780. That is, by the operation of the tension mechanism 780, the power transmission belt 704 can be in a relaxed state to be in the power disconnection state, while the power transmission belt 704 can be in the power connection state by being in a tension state.

  The tension mechanism 780 includes a tension roller 782 that presses or separates from the transmission belt 704, a tension arm 784 that supports the tension roller 782 so that the tension roller 782 can press and separate from the transmission belt 704, and an interlocking connection piece 786 to the tension arm 784. An intermittent operation lever 788 that is interlocked and connected, and an operation guide 790 that guides the operation of the intermittent operation lever 788 are provided.

  The operation guide body 790 is attached to an upper part of the front wall 220 of the storage section main body 200. By operating the intermittent operation lever 788 to separate the tension roller 782 from the transmission belt 704 and to make the transmission belt 704 in a relaxed state, the transmission belt 704 wound around the output pulley 702 can be removed. . By doing so, the grain storage unit 16 can be rotationally displaced outward to the right. The grain storage unit 16 is provided with a fixing means (not shown) for fixing at a closed position (use position) (a) directed forward, and an opened open position (non-use position) (b) When the position is changed to ()), the fixed state by the fixing means is released in advance.

  The grain discharge section 17 includes a cylindrical vertical discharge case 850 whose axis is oriented in the vertical direction, and a vertical discharge conveyor 400 built in the vertical discharge case 850. A discharge case 860 that discharges grains to the right side is provided at the upper right end of the vertical carry-out case 850 so as to communicate therewith and protrude therefrom. The vertical carry-out conveyor 400 is formed by a vertical conveyor shaft 410 whose axis is oriented in the vertical direction, and a vertical screw blade 420 attached to the outer peripheral surface of the vertical conveyor shaft 410. A lower spline fitting recess 430 that opens downward is formed at the lower end of the vertical conveyor shaft 410.

  The grain discharge unit 17 configured as described above raises the grains upward from below by the vertical screw blades 420 that rotate in conjunction with the rotation of the vertical conveyor shaft 410, and outputs the grains from the discharge case 860. Can be released.

  A rear mounting plate 502 is attached to the lower portion of the rear wall 240 of the storage unit main body 200 in a surface-bonded state, and the rear mounting plate 502 has a rear insertion hole corresponding to the rear conveyor insertion hole 250 formed in the rear wall 240. 504 are formed.

  The connection part 19 includes a connection case 500 formed by bending in an L-shape, and an interlocking connection body 510 provided at a corner in the connection case 500. The connection case 500 is formed by communicating and connecting a rear end portion of a cylindrical horizontal case piece 520 whose axis is oriented in the left-right direction and a lower end portion of a cylindrical vertical case piece 530 whose axis is oriented in the vertical direction. are doing. A lateral connection flange 540 is formed in a protruding shape at the front end of the horizontal case piece 520, and the horizontal connection flange 540 is laterally connected to a lower portion of the rear wall 240 of the storage unit main body 200 via a rear mounting plate 502. The horizontal case piece 520 and the storage unit main body 200 are connected to each other by a bolt 542 for communication. In the horizontal case piece 520, a rear end portion of the horizontal discharge conveyor 300 protruding rearward from the inside of the storage section main body 200 is arranged. A vertical connection flange 550 is formed on the upper end edge of the vertical case piece 530 in a projecting manner. The vertical connection flange 550 is formed by a lower end flange 852 formed on a lower end edge of the vertical carry-out case 850 and a vertical connection bolt 552. To vertically connect the vertical case piece 530 and the vertical carry-out case 850. In the vertical case piece 530, the lower end of the vertical carry-out conveyor 400 protruding downward from inside the vertical carry-out case 850 is arranged.

  The interlocking connection body 510 includes a horizontal shaft support piece 560 that forms a space that communicates in the front-rear direction, and a vertical axis support piece 570 that forms a space that communicates in the vertical direction. In the horizontal shaft support piece 560, a horizontal interlocking connection shaft 564 is disposed via a horizontal shaft support bearing 562 so as to be rotatable around an axis in the front-rear direction. On the outer peripheral surface of the front end portion of the horizontal interlocking connection shaft 564, a rear spline fitting convex portion 566 that is fitted into the rear spline fitting concave portion 316 so as to be freely inserted and removed in the axial direction and is spline fitted is formed. A horizontal output bevel gear 568 is attached to the rear end of the horizontal interlocking connection shaft 564. A vertical interlocking connection shaft 574 is rotatably disposed in the vertical axis support piece 570 via a pair of vertical axis support bearings 572 vertically. On the outer peripheral surface of the upper end of the vertical interlocking connection shaft 574, there is formed a lower spline fitting convex portion 576 which is fitted into the lower spline fitting concave portion 430 so as to be freely inserted and removed in the axial direction and is spline fitted. A vertical input bevel gear 578 that meshes with the horizontal output bevel gear 568 is attached to a middle part of the vertical interlocking connection shaft 574. Reference numeral 580 denotes a protruding piece formed by protruding rearward from a corner of the connection case 500, and supports the connection portion 19 via a protruding piece 580 by a rotation support base 600 described later. Reference numeral 590 denotes a side inspection opening which is provided with a transparent inspection window on the right side of the connection case 500 so that the inside of the connection part 19 can be visually inspected and inspected from the right side. The rear inspection port 594 is provided with a transparent inspection window so that the inside of the connecting portion 19 can be visually inspected and inspected from behind.

  The rotation support base 600 is a support base body 620 formed in a horizontal plate shape, a pair of left and right front supports 630 erected at the front of the support base 620, and erected at the rear of the support base 620. The vehicle includes a rear support 640 and a rotation fulcrum 610 that is vertically provided at the rear of the support base body 620 with its axis oriented vertically.

  The support base body 620 is pivotally supported on the body frame 11 via a rotation fulcrum 610, and the front side thereof is horizontally rotatable outward around the rotation fulcrum 610. I have. The left and right front support members 630 are connected to the left and right central portions of the horizontal connection flange 540. The rear support 640 is connected by fitting a protruding piece 580 formed into a short-width columnar shape into a short-width cylindrical connecting piece 645 provided at the upper end thereof with the axis directed in the front-rear direction. The support base body 620 thus formed supports the connection portion 19 from below via the front and rear support members 630 and 640, and the grain storage portion 16 and the grain discharge portion 17 via the connection portion 19. The closed position (use position) (a) in which the front side of the grain storage unit 16 is directed forward with the rotation fulcrum 610 as the center, and the outer side (the right side in the present embodiment) The position can be changed to an open position (non-use position) (b) in which the right halfway portion on the body frame 11 is opened by being rotationally displaced outward.

[Specific description of traveling aircraft]
As shown in FIGS. 1 and 12, both ends of a cutting input shaft 65 are rotatably mounted on the upper front end of the body frame 11. Reference numeral 66 shown in FIG. 12 denotes a reverse rotation switching case, in which the cutting input shaft 65 and the forward / reverse transmission shaft 51 are horizontally mounted on the same axis. A beater output sprocket 69 and a cutting blade output sprocket 54 are coaxially mounted on the forward / reverse transmission shaft 51. The entire cutting unit 2 is supported by the cutting input shaft 65 via the feeder house 20 so as to be able to move up and down. Reference numeral 70 denotes a beater shaft, which supports a beater 71 for inputting the cut culm through the beater shaft 70.

  As shown in FIG. 1, the beater 71 is provided on the feed end side of the supply conveyor 25, and is put into the handling port of the threshing unit 12 by the beater 71. In the handling room of the threshing unit 12, a handle cylinder 72 is rotatably supported via a handle cylinder shaft 75. On the lower side of the handling cylinder 72, a receiving net 73 for allowing kernels to leak is provided. A spiral (screw blade-shaped) intake blade 74 is provided on the outer peripheral surface of the front part of the handling cylinder 72 so as to project radially outward.

  As shown in FIG. 1, the sorting unit 13 is provided with a grain sorting mechanism 77 disposed below the receiving net 73. The grain sorting mechanism 77 includes a grain pan and chaff sheave, a grain sheave and a straw rack, and the like. Oscillating sorter 78 for specific gravity sorting, and a Karamin fan 76 for supplying a sifting wind to the oscillating sorter 78. The threshed by the threshing cylinder 72 and leaked from the receiving net 73 is subjected to the specific gravity sorting action of the rocking sorter 78 and the wind sorting action of the Karamin fan 76 to make the grains (the first thing such as fine grains). And a mixture of grain and straw (secondary grain such as a grain with branch spikes) and straw waste and the like.

  A first conveyor mechanism 79 and a second conveyor mechanism 80 as a grain sorting mechanism 77 are provided below the swinging sorter 78. The grains (first thing) dropped from the swinging sorter 78 by the swinging sorter 78 and the Karamin fan 76 are stored in the grain storage section 16 by the first conveyor mechanism 79 and the fry conveyor 81. . The mixture of grain and straw (second product) is returned to the sorting start end of the swing sorting machine 78 via the second conveyor mechanism 80 and the second reduction conveyor 82, etc., and is again sorted by the swing sorting machine 78. You. Straw chips and the like are discharged to the field from the dust outlet 14 at the rear of the traveling machine 1.

  As shown in FIGS. 1 and 2, a front operation column 89, a side operation column 90, and a driving seat 91 on which an operator sits are arranged in the driving section 15. On the front operation column 89, a control lever 92 for changing the course of the traveling body 1 is arranged, and on the side operation column 90, a speed change lever 93 for switching the moving speed of the traveling body 1 and the like are arranged.

As shown in FIGS. 1, 2, and 12 , the traveling unit 10 has a driving wheel 97 and a driven wheel 98 attached to the front and rear portions of a traveling frame 96, and a crawler belt 99 is wound around the driving wheels 97. A transmission case 100 is provided between the drive wheels 97, 97 of the pair of left and right traveling units 10, 10 via traveling drive shafts 101, 101. The transmission case 100 includes a traveling hydraulic pump and a hydraulic motor. A hydraulic continuously variable transmission 102 for shifting is provided.

[Explanation of Combine Transmission Structure]
Next, the transmission structure of the combine A will be described with reference to FIG. That is, a Karino fan support shaft 112 for supporting the Karino fan 76 is interlocked to a drive shaft 110 provided on the engine 18 via a first transmission belt mechanism 111. The first conveyor shaft 114 is operatively connected to the Karino fan support shaft 112 via a second transmission belt mechanism 113, and the second conveyor shaft 116 is operatively connected to the first conveyor shaft 114 via a third transmission belt mechanism 115. In addition, an oscillating sorter operating shaft 118 is operatively connected to the second conveyor shaft 116 via a fourth transmission belt mechanism 117.

  A threshing counter shaft 120 is interlocked to the Karino fan shaft 112 via a fifth transmission belt mechanism 119. A handle cylinder shaft 75 is interlocked to the threshing counter shaft 120 via a gear case 121. The beater shaft 70 is linked to the threshing counter shaft 120 via a sixth transmission belt mechanism 122. The forward / reverse transmission shaft 51 is linked to the beater shaft 70 via a seventh transmission belt mechanism 123. 83 is a beater input sprocket. As described above, the movable side sub-cutting blade 32 is interlocked to the forward / reverse rotation transmitting shaft 51 via the sub-cutting blade device driving mechanism 50.

  The harvesting input shaft 65 operatively connected to the forward / reverse rotation transmission shaft 51 via the reverse rotation switching case 66 is operatively connected to the supply conveyor 25 and the reaper counter shaft 125 via the eighth transmission belt mechanism 124. are doing. The rake auger 26 is operatively connected to the reaper counter shaft 125 via a ninth power transmission belt mechanism 126, and the rake reel 23 is operatively connected to the reaper counter shaft 125 via a tenth power transmission belt mechanism 127. The movable main cutting blade body 28 of the main cutting blade device 3 is interlocked and connected via a mechanism 128.

  An input shaft 130 of the hydraulic continuously variable transmission 102 is operatively connected to a drive shaft 110 provided on the engine 18 via an eleventh transmission belt mechanism 129. A cooling fan 132 is interlocked to the engine 18 via a fan drive shaft 131, and the fan drive shaft 131 is connected to a horizontal carry-out conveyor 300 provided in the grain storage unit 16 via a conveyor transmission mechanism 700 and a grain carry-out. The vertical conveyer 400 provided in the section 17 is interlocked and connected.

Reference Signs List A Combine 1 Traveling machine body 2 Cutting unit 16 Kernel storage unit 17 Kernel discharge unit 19 Connection unit 300 Horizontal discharge conveyor 400 Vertical discharge conveyor 510 Interlocking link 600 Rotation support 610 Rotation fulcrum 700 Conveyor transmission mechanism 720 Transmission case

Claims (3)

A grain storage unit with a vertical carry-out conveyor with a vertical axis oriented is connected to a grain storage unit with a horizontal carry-out conveyor with an axis oriented in the front-rear direction. A combine that connects the rear end of the horizontal carry-out conveyor and the lower end of the vertical carry-out conveyor interlockingly via the interlocking connector provided so that the grains stored in the grain storage section can be carried out by both conveyors. hand,
The rear end of the horizontal carry-out conveyor and the interlocking connector are interlockingly connected so that they can be freely inserted and removed in the front-rear direction.
The grain storage unit and the grain discharge unit that are integrally connected via the connection unit are configured so that the front side can be pivotally displaced outward with the rear side as a fulcrum,
The horizontal carry-out conveyor can be pulled out forward from the grain storage part that has been rotated and displaced outward,
Between the horizontal unloading conveyor and the drive unit that supplies power to the horizontal unloading conveyor, a conveyor transmission mechanism is interposed,
The conveyor transmission mechanism has a transmission case, and an input pulley attached to a transmission input shaft rotatably supported by the transmission case and interlocked with an output pulley of the drive unit,
The conveyor transmission mechanism is detachably linked to the horizontal conveyor and the drive unit ,
The transmission case has a plate-shaped mounting body attached to the grain storage unit, a pair of left and right plate-shaped supports formed by extending forward from the mounting body, and a case body mounted between the front ends of both supports. And comprising
Between the case body and the mounting body, the output shaft whose axis is oriented in the front-rear direction
The rear end of the output shaft is extended into the grain storage unit to form an extension,
The extension part and the front end of the horizontal carry-out conveyor are connected in an interlocking manner so that they can be freely inserted and removed in the front-rear direction.
An eccentric piece is provided in the middle of the output shaft located between the pair of left and right supports, and the lower end of the interlocking body is detachably connected to the eccentric piece between the pair of left and right supports . An output shaft is provided at the end of the conveyor transmission mechanism,
The combine according to claim 1, wherein a rear end portion of the output shaft and a front end portion of the horizontal carry-out conveyor are interlocked and connected so as to be freely inserted and removed in the front-rear direction. In the grain storage section, at a position directly above the horizontal carry-out conveyor, a rocking body is swingably mounted via a support shaft oriented in the front-rear direction,
The front end of the spindle is extended outward from the grain storage unit to form an extension,
While the upper end of the interlocking body is detachably connected to the extension,
The combine according to claim 1 or 2, wherein the lower end of the interlocking body is detachably connected to the eccentric piece provided in the conveyor transmission mechanism.

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