JP2001148927A - Reaper structure for combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase the conveying performance and attain the cost cutting in the reaping unit in a combine harvester that is equipped with three packer units P1, P2 and P3, in which a couple of rotary packers 18 bite and rotate on the root side of the reaped cereal stems and collect them, arranged in series in the transverse direction to the machine body and has the first endlessly rotating belt 21a to convey the root side of the cut cereal stems from the first packer unit P1 on the outer side of the machine body and the second endlessly rotating belt 23 to feed the root side of the cut cereal stems from the second packer unit P2 to the first endlessly rotating belt 21a. SOLUTION: A driving power-separating site locating below the rotor 41 at which the conveying end side of the second endlessly rotating belt 23 is wound is disposed on the transmission case for the reaper. The driving power is transmitted from the power-separating side to the rotor 41.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packer device 3 for scraping the root side of a cut culm from a cutting device in a rearward direction of the machine body by a pair of rotary packers meshing and rotating in a state of being arranged in a lateral direction of the machine body. The three packer devices are arranged side by side, and among the three packer devices, the root side of the cut culm from the first packer device located closest to one side of the fuselage is conveyed toward the threshing feed chain. A first endless rotating belt-shaped body which is provided with an endless rotating belt and which conveys the root of the cut culm from the second packer device located in the middle among the three packer devices toward the rear of the machine body; A second endless rotating belt-shaped body to be supplied to the body, in a state where the transport start end side of the second endless rotating belt is wound around a rotating body that rotates integrally with one of the rotating packers of the second packer device; 3 packers Among them, the third endless rotating belt that conveys the root of the cut culm from the third packer device located closest to the other lateral side of the machine toward the rear of the machine and supplies it to the first endless rotating belt. The present invention relates to a harvester structure of a combine having a body.

[0002]

2. Description of the Related Art In the above-mentioned mowing section, conventionally, a rotary packer of a second packer device and a rotary packer of a third packer device are meshed with each other, so that the rotary packer of the second packer device and the second endless rotating belt-like body are engaged. And was driving. That is, power is transmitted to the third packer device to drive the rotary packer, and the driving force of the rotary packer is transmitted to the rotary packer of the second packer device by meshing between the packers. Then, the rotating packer of the second packer device and the rotating body of which the transport start end side of the second endless rotating belt is wound integrally rotate to transmit the driving force of the rotating packer of the third packer device to the rotating body. Was.

[0003]

Heretofore, a load for driving the second endless rotating strip has been applied to the rotating packer. For this reason, it is necessary to employ a thick and expensive coster packer as a rotary packer so that power transmission is performed reliably. Further, when the grain culm conveyed by the second endless rotating belt-shaped body is clogged, a large load is applied to the rotating packer, so that the rotating packer is likely to be damaged or worn. Further, the second endless rotating belt is driven at the transport starting end side and moves along the grain culm transport route of the second endless rotating belt, and the return side moves along the return route. The return side is the tension side, the transport side is the loose side, and the transport force of the second endless rotating belt-like body is weak. SUMMARY OF THE INVENTION An object of the present invention is to provide a harvester structure of a combine harvester which can adopt an inexpensive rotary packer and can increase the transporting force of the second endless rotating band while preventing obstacles from occurring in grain culm transport. .

[0004]

The constitution, operation and effect of the invention according to claim 1 are as follows.

[Structure] The three packer devices, which scrape the root side of the cut culm from the mowing device in a rearward direction of the machine body by a pair of rotary packers meshing and rotating in a state in which the machine body is arranged side by side, are mounted on the machine body side. The three packer devices are arranged side by side in the direction of
A first endless rotating belt-like body that conveys the root side of the cut culm from the packer device toward the threshing feed chain,
Among the three packer devices, the second endless rotation that conveys the root side of the cut culm from the second packer device located in the middle toward the body rearward and supplies it to the first endless rotation belt-shaped body A belt-like body is provided in a state in which the transport start end side of the second endless rotating belt-like body is wound around a rotary body that rotates integrally with one of the rotary packers of the second packer apparatus, and among the three packer apparatuses, A third endless rotating belt that conveys the root side of the cut culm from the third packer device located at the other lateral side of the machine to the rear of the aircraft and supplies it to the first endless rotating belt; In a harvester structure of a certain combiner, a power take-out portion is provided in a transmission case for the mowing portion, which is located below a rotating body around which the transport end side of the second endless rotary belt is wound. End of transport side Body are provided with a transmission means for transmitting power to.

[Operation] Power is transmitted from a power take-out portion of a transmission case located below the rotating body to a rotating body wound around the transport end side of the second endless rotating belt-shaped body, and the rotating body is driven. The second endless rotating belt is driven by the driving force of the rotating body. Thus, the second endless rotating belt can be driven while the transport side of the second endless rotating belt along the grain culm transport path is the tension side. The power transmission means for transmitting power to the rotating body is located below the rotating body, and the cereal stem portion projecting downward from the second endless rotating belt-like body is at the base of the stock, and the projecting length is too long. The power transmission to the rotating body can be performed while preventing the transmission means from hitting the grain stem conveyed by the second endless rotating belt-like body.

The driving force of the rotating body is increased by the rotation of the rotating body around which the transport start end of the second endless rotating belt is wound and the rotating packer of the second packer unit. It is transmitted to the rotating packer of the second packer device by the moving belt-like body, and can drive the rotating packer of the second packer device.

[Effect] Both the second endless rotating band and the rotating packer of the second packer device are driven by the driving force of the rotating body around which the second endless rotating band is wound. It does not transmit power to the device and the second endless rotating belt-shaped body, and each rotary packer is thinner than the conventional one that used power transmission. It is possible to reduce costs by adopting an inexpensive one that only engages with each other. further,
The second endless rotating band-like body exerts a stronger conveying force as compared with the related art which has a loose side with the conveying side of the second endless rotating band being on the tension side, and the second endless rotating band-like body is used for the grain. The culm is conveyed in a state of good conveyance performance in which clogging and falling off are less likely to occur. Moreover, it is easy to avoid interference between the transmission means and the grain culm transported by the second endless rotating belt-like body, so that the transmission of the grain culm by the second endless rotating belt-like body is not easily caused by the transmission means. It is performed smoothly.

The structure, operation and effect of the invention according to claim 2 are as follows.

[0010] In the configuration of the invention according to claim 1, the pair of rotary packers of the second packer device and the pair of rotary packers of the third packer device are displaced in the vertical direction of the body, In addition, a part of one of the rotary packers in the second packer device and a part of the one of the rotary packers in the third packer device are arranged so as to overlap in the vertical direction of the machine.

[Effects] Adopting a rotary packer having a large outer diameter for the size of the predetermined space in which the three packer devices are to be arranged in the lateral direction of the machine body, the rotary packers of the adjacent packer devices are used. The three packer devices are arranged in a predetermined space so as to be arranged in the lateral width direction of the fuselage while avoiding the meshing or hitting of the packers by the overlap of the packers.

[Effects] Each rotating packer is arranged at an appropriate position, and the outer diameter of the rotating packer is increased as much as possible. In this way, the culm can be smoothly conveyed so that poor conveyance such as clogging does not easily occur.

The structure, operation and effect of the invention according to claim 3 are as follows.

[0014] In the structure of the invention according to claim 1 or 2, the transmission means includes a transmission case erected on the transmission case for the mowing section, and a packer support for supporting a rotary packer of the second packer device. A support rod is provided for connecting the body and the transmission case.

[Operation] A packer support is connected to a transmission case via a support rod, and the packer support is used as a support standing upright on the transmission case for the reaper, and the packer support is used as a transmission case for the reaper. Be supported.

[Effect] The rotating packer can be firmly supported by supporting the packer support in the transmission case for the cutting section. Moreover, the structure can be simplified by using the transmission case as a support.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1, 3 and the like, a plurality of weeding tools 11
2. A mowing unit 10 including a clipper-shaped mowing device 13 and the like are connected to a front portion of a traveling machine body including a crawler-type traveling device 1, an operating unit 2, and the like so as to be lifted and lowered by a lift cylinder 3. A threshing device 4 for threshing the harvested culm from the plant, and a grain tank 5 for storing the thresh grain from the threshing device 4 are provided in the traveling machine body to cut the culm of rice, wheat, etc. The combine is configured so that threshing is carried out and threshing grains are stored.

The mowing section 10 is constructed as shown in FIGS. 1, 3, 6 and the like. That is, the input cylinder portion 14a on the base end side is rotatably connected to the support portion of the traveling body so as to be rotatable around the axis X in the lateral direction of the body, thereby supporting the traveling body to swing up and down around the axis X. A transmission case 14, a plurality of weeding bars 15 whose base end is connected to an output cylinder portion 14 b of the transmission case 14, which is located on the tip side of the machine body, and the output cylinder portion 14 b of the transmission case 14. A cutting rod is provided by a connecting rod 16 which is positioned in parallel and extends over the base end of the plurality of weeding bars 15 and a plurality of weeding bars 15 whose base end is connected to the connecting rod 16. In a state where a frame is formed and a pair of adjacent weeding bars 15, 15 form one triggering path R, the plurality of weeding bars 15 form a plurality of triggering paths R arranged in the lateral direction of the body. Forming each The content grass tool 11 attached to the distal end side of the grass bar 15, the plurality of leads 12 arranged in a row in the body laterally behind these minute grass instrument 11, said plurality of lead paths R
The cutting device 13 disposed at the front end side of the cutting section frame is positioned one by one on the lateral side of each raising path R so as to act on each of the grain stems, and the cutting device 13 disposed at the end of the raising path R The cutting unit 13 is supported near the front side of the connecting rod 16 of the cutting unit frame.
Packers P1 arranged side by side near the top of the aircraft
The grain stalk transport device A including P3 to P3 is supported on the rear end side of the cutting unit frame.

Among the plurality of weeding tools 11, the weeding tool 11 positioned at the outermost side of the machine body divides the culm to be planted into culms to be cut and not to be cut, and cuts the culm to be cut. The cereal stalk is introduced into the raising route R adjacent to the weeding tool 11, and the cereals that are not targeted for cutting are caused by the raising route R.
Guide to the outside of the side. The other weeding tools 11 weed the culm to be planted on the two planting streaks on both lateral sides of the weeding implement 11, and introduce it into the raising path R on both lateral sides of the weeding implement 11.

Each of the plurality of raising devices 12 has a lower end supported by a bracket 17 fixed to a weeding bar 15, and an upper end positioned on an upper side of all of the plurality of raising paths R in a laterally oriented body. A winding case 12a is supported by one raising drive case 30 via a distribution transmission case 31, and a chain sprocket 12b located on the lower end side and a chain sprocket 12c located on the upper end side inside the raising case 12a. It is constituted by a turned endless raising chain 12d. When the chain sprocket 12c on the upper end side is driven, the chain 12d is driven by the driving force of the chain sprocket 12c.
The raising claws 12e provided at a plurality of locations cause the raising ends of the lateral ends of the case 12a to raise the raising sides while causing the raising ends of the cases 12a to protrude toward the route R while combing up the grain stem, When reaching the ascending end, it comes off the culm and causes
Enter the return side of a, descend the return side, and return to the raising side. Thereby, each raising device 12
Raising claw 12e that ascends and moves the planted cereal culm introduced into the raising path R where the raising device 12 is located.
, And supplies it to the reaper 13.

The cutting device 13 includes a fixed blade fixed to the cutting unit frame and having a lateral length of the entire body of the plurality of raising paths R and fixed to the cutting unit frame.
A pair of left and right movable blades slidably positioned on the upper surface side of the fixed blade separately from one end side and the other end side of the fixed blade, and the left and right movable blades are separated from each other or approach each other. Is driven so as to reciprocally slide with respect to the fixed blade, and cuts the root of the planted cereal stem from each raising device 12.

As shown in FIG. 6, FIG. 7, FIG. 9, etc., all of the three packers P1, P2, and P3 are located near the upper part of the mowing device 13 in the lateral direction of the machine body. It consists of a pair of stalk squeezing rotary packers 18, 18 which are engaged with each other, and the root side of the two rows of stalks stalks which have been mowed by the reaper 13 is squeezed between the two rotating packers 18, 18. Send out the rear of the aircraft from between the packers.

As shown in FIGS. 7 and 8, of the three packers P1, P2 and P3, a first packer P1 located on the right side of the fuselage and a third packer P3 located on the left side of the fuselage. Are arranged such that each of the rotary packers 18 is located at the same arrangement level, and the second packer device P2 located at the center of the fuselage is configured such that both of the rotary packers 18 are the first and third packer devices P1 and P3. And a part of the outer peripheral side of the rotary packer 18 adjacent to the third packer device P3 of the second packer device P2 is positioned at a higher level than each of the rotary packers 18. The rotary packer 18 is arranged so as to overlap a part of the outer peripheral side of one of the rotary packers 18 when viewed in the vertical direction of the body. That is, while the rotary packers 18 of the three packer devices P1, P2, and P3 have the same outer diameter, the rotary packer 18 of the second packer device P2 is replaced with the rotary packer 18 of the first packer device P1. Also, the respective packer devices P1, P2, P3 are arranged so as not to mesh with the rotary packer 18 of the third packer device P3.

As shown in FIG. 2 and the like, the grain culm conveying device A includes three packer devices P1, P2, and P3 and a plurality of conveying end portions that are separately located above the plurality of rotary packers 18. Endless transport belt 19 for hooking and transporting grain culm
And three stock root holding conveyances whose conveyance sides are along a first cereal culm conveyance path including a plurality of cereal culm holding rails 20a from the first packer device P1 to the threshing feed chain 4a of the threshing device 4. Endless rotating chains 21a, 21
b, 21c, an endless rotating chain 22 of one ear-tip-locked transport whose transport side is along the first grain culm transport path, and in the middle of the first grain culm transport path from the second packer device P2. An endless rotation chain 23 of the nip-clamping conveyance in which the conveyance side is along the second cereal culm conveyance path having the cereal culm holding rail 20b extending therethrough, and a tip lock in which the conveyance side is along the second cereal culm conveyance path. Endless rotating chain 24 for transport,
An endless rotation chain 25 of a stock-holding conveyance in which the conveyance side is along a third cereal culm conveyance path including a cereal culm holding rail 20c extending from the packer device P3 to the middle of the first cereal culm conveyance path; It is constituted by an endless rotation chain 26 of a tip-locking conveyance in which the conveyance side is along the three grain culm conveyance path. As a result, the grain stalk transport device A can
The cut stalks of 6 rows that have been cut by step 3 are conveyed as follows.

That is, of the six cut culms that have been cut by the cutting device 13, the base of the two cut culms located on the right side of the machine is placed in the first packer device P.
1 and a pair of endless transport belts 19 positioned above the first packer device P1, the cutting device 13 scrapes the harvested grain culm sent rearward from the cutting device 13 to the start end of the first grain culm transport path. The endless rotating chains 21a and 21b that pinch and convey the stock side, and the endless rotating chain 22 that locks and conveys the tip side convey in a vertical posture toward the threshing feed chain 4a. Is reached, the endless rotating chain 21c nips and conveys the stock side, and the endless rotating chain 22 draws the tip side inside the machine body, so that the tip side is in a side-to-side posture positioned inside the machine body. It is supplied to the start end of the feed chain 4a. Of the six stalks of cut stalks that were cut by the cutting device 13, 2 located at the center of the machine
The stocker side of the cut culm of the row is placed in the second packer device P2.
And the pair of endless transport belts 19 located above the second packer device P2, the scraping device 13 rakes the harvested grain culm sent rearward from the cutting device 13 to the start end of the second grain culm transport path, An endless rotating chain 23 that pinches and conveys the stock side, and an endless rotating chain 24 that locks and conveys the tip side positions an intermediate portion on the conveying side of the endless rotating chain 21a of the first grain culm conveying path. The endless rotating chains 21a, 22 convey the cut culm from the first packer device P1 which is transported by the endless rotating chains 21a, 22 and cut from the first packer device P1 by the endless rotating chains 21a, 21b, 21c, 22. Threshing feed chain 4a after changing the posture to the sideways posture with the grain stem
To the beginning of Of the six rows of cut grain culms that the cutting device 13 has cut and processed, the root side of the two rows of cut grain culms located on the left side of the machine body is the third packer device P3.
And the pair of endless transport belts 19 located above the third packer device P3, the scraping device 13 rakes the harvested grain culm sent rearward from the cutting device 13 to the beginning of the third grain culm transport path, A portion where the transport end portion of the endless rotary chain 21a of the first grain culm transport path is located by the endless rotary chain 25 that pinches and conveys the stock side and the endless rotary chain 26 that locks and conveys the tip side. To the cutting culms from the first and second packer devices P1 and P2 that are transported by the endless rotating chains 21a and 22 and are conveyed to the endless rotating chains 21a, 21b, 21c, 2
By 2, the posture is changed to the side-down posture together with the cutting culms from the first and second packer devices P <b> 1 and P <b> 2 and then supplied to the starting end of the threshing feed chain 4 a.

The endless rotating chains 21a, 24, 25, the first to third packers P1, P2, P3, and the endless transport belts 19 are driven by the driving force of an engine provided in a driving portion of the traveling body. The transmission structure is configured as follows.

That is, as shown in FIGS.
Rotary packer 18 on the lateral outside of the fuselage of first packer device P1
And a rotating body 31 wound around the transport end side of the endless transport belt 19 located above the rotary packer 18 and a rotating body 32 wound around the transport start end side of the endless rotating chain 21a. This support cylinder 33 is attached to the support cylinder 33a.
a, and the rotating packer 18 inside the body of the first packer device P1 and the transport end side of the endless transport belt 19 located above the rotating packer 18 are wound. The rotating body 31 is supported by one support shaft 34a so as to rotate integrally with the support shaft 34a. The right rotary packer 18 of the second packer device P2 and the rotary body 31 wound around the transport end side of the endless transport belt 19 located above the rotary packer 18 are mounted on one support shaft 34b. 34b, the rotating packer 18 on the left side of the second packer device P2, and the rotating body 31 wound around the transport end side of the endless transport belt 19 located above the rotating packer 18. And the rotating body 35 wound around the transport start end of the endless rotating chain 23, and the support shaft 3c is connected to one support shaft 34c.
4c so as to be integrally rotated. The rotating packer 18 on the inner side of the body of the third packer device P3 and the rotating body 31 wound around the transport end side of the endless transport belt 19 located above the rotating packer 18 are supported by one support shaft 34d. The rotation packer 1 is supported so as to rotate integrally with the shaft 34d, and is located outside the body of the third packer device P3.
8, a rotating body 31 wound around the transport end side of the endless transport belt 19 positioned above the rotary packer 18, and a rotating body 3 wound around the transport starting end side of the endless rotating chain 25.
6 is supported by a single support cylinder 33b so as to rotate integrally with the support cylinder 33b.

The input cylinder 14a of the transmission case 14
The end of the transport of the endless rotating chain 21a is located below the rotating body 37 wound around the transmission case body 14c facing the body, which connects the body and the output cylinder 14b.
A power take-out portion 38 and first transmission means 39 for transmitting power from the first power take-out portion 38 to the rotating body 37 are provided. The first power take-out unit 38 is provided with a transmission mechanism provided inside the transmission case main body 14c so as to transmit the driving force input to the input shaft 14d of the input cylinder 14a to the output shaft 14e of the output cylinder 14b. The power take-out gear 38a formed of a bevel gear provided in the power transmission case 40 and a power take-out hole provided in the transmission case main body 14c. The first transmission means 39 includes a transmission case 39a erected on the transmission case main body 14c, and a rotation transmission shaft 39b provided inside the transmission case 39a so as to interlock the power takeoff gear 38a with the rotating body 37. It is constituted by.

A second power take-out portion 42 located below the rotating body 41 around which the end of the transport of the endless rotating chain 23 is wound, and a second power take-out portion 42 The second to transmit power to 41
A transmission means 43 is provided. As shown in FIG. 10 and the like, the second power take-out portion 43
Are constituted by a power take-out gear 42a composed of a bevel gear interlocked with a rotary transmission shaft 41 provided to transmit power to an output shaft 14e of the output cylinder portion 14b, and a power take-out hole provided in the transmission case main body 14c. is there. The second transmission means 43 includes a transmission case 43a erected on the transmission case body 14c and a power transmission side rotation transmission provided on the transmission case 43a so that the power extraction gear 42a is interlocked with the rotating body 41. A shaft 43b, a rotation transmission shaft 43c on the rotating body side, and the two rotation transmission shafts 43b,
43c and a gear mechanism 43d linked therewith.

As shown in FIG. 11, the transmission case 14
Of the drive case 3 from the output cylinder portion 14b
0 and the drive case 3 is supported so as to support one end of the drive case 30.
And a third transmission means for transmitting power to a rotating body 45 wound around the return transmission portion of the endless rotating chain 25 to the trigger transmission case 44 connected to the end of the output cylinder portion 14b. 46 are provided. The third transmission means 46 includes a transmission case extending from a power take-out portion provided in the raising transmission case 44, and a rotary transmission shaft 44a provided in the raising transmission case 44 is provided with a rotation driving shaft 44a. The driving force transmitted to the transmission case 30 is generated, taken out of the power take-out portion of the transmission case 44, and transmitted to the rotating body 45 by a gear-type transmission mechanism located inside the transmission case.

That is, the driving force from the engine is applied to the input belt pulley 1 at one end of the input cylinder 14a of the transmission case 14.
4f, input to the input shaft 14d, output to the drive mechanism 13a of the cutting device 13 from the output shaft 14e at both ends of the output tube portion 14b, and output to the output shaft 14 at one end of the output tube portion 14b.
e, and is output to the transmission case 44 and transmitted from the drive case 30 to each of the raising devices 12.
Then, the driving force input by the transmission case 14 is taken out from the first power take-out portion 38 of the transmission case main body 14c, and the endless rotation chain 2 is driven by the first transmission means 39.
1a to the rotating body 37. When the rotator 37 is driven, the endless rotating chain 21a is driven to rotate the rotator 32 on the transport start end side, and the rotator 32 is connected to the first cylinder by the connecting action of the support cylinder 33a. The driving force transmitted to the rotating body 37 of the endless rotating chain 21a by being connected to both the rotating packer 18 outside the body of the apparatus P1 and the rotating body 31 of the endless transport belt 19 so as to rotate integrally. Is the first packer device P1
And the two rotating packers 1, 18
It is transmitted to the endless conveying belt 19 above the upper and lower parts 8 and 18.

The driving force inputted by the transmission case 14 is taken out from the second power take-out portion 42 of the transmission case main body 14c, and transmitted to the rotating body 41 of the endless rotating chain 23 by the second transmission means 43. When the rotator 41 is driven, the endless rotation chain 23 is driven to rotate the rotator 35 on the transport start end side, and the rotator 35 is connected to the second packer by the connecting action of the support shaft 34c. By being connected to both the rotating packer 18 on the left side of the device P2 and the rotating body 31 of the endless transport belt 19 so as to rotate integrally, the rotating packers 18, 18 of the second packer device P2 further mesh. By turning
Further, the right rotating packer 1 of the second packer device P2.
The rotating body 8 of the endless rotating chain 23 is connected to the rotating body 31 of the endless transport belt 19 above it by the connecting action of the support shaft 34b so as to rotate integrally therewith.
Is transmitted to the rotary packers 18, 18 of the second packer device P2 and the endless transport belt 19 above the rotary packers 18, 18.

The driving force generated from the transmission case 14 and transmitted to the transmission case 44 is generated by the transmission case 4.
4 from the third power take-out section, and the third transmission means 4
6, the rotating body 45 of the endless rotating chain 25
To communicate. When the rotator 45 is driven, the endless rotation chain 25 is driven, and the rotator 36 at the transport start end is rotated.
3b, the third packer device P3 is further connected to the rotary packer 18 outside the body of the third packer device P3 and the rotating body 31 of the endless transport belt 19 so as to rotate together. Double turner 1
The rotating packers 8 and 18 are engaged with each other, and the rotating packer 18 inside the body of the third packer device P3 is further connected to the endless transport belt 1 above by the connecting action of the support shaft 34d.
9 so that the driving force transmitted to the rotating body 45 of the endless rotating chain 25 is transmitted to the two rotating packers 1 of the third packer device P3.
8, 18 and the endless transport belt 19 above the two rotating packers 18, 18.

The rotary packers 18 of the second and third packer devices P2 and P3 are mounted on the cutting section frame by a mounting structure shown in FIGS. That is, the support shaft 34d of the left rotating packer 18 in the second packer device P2 is connected to a pair of left and right support cylinders 48a, 48b provided in the rectangular cylindrical packer support 47.
Is rotatably supported by one of the support cylinders 48b via a bearing, and the support shaft 34d of the rotary packer 18 inside the body of the third packer device P3 is connected to the packer support 47.
Is rotatably supported by the other support cylinder 48a via a bearing. Attaching the front side of the packer support 47 to the mowing section frame via a front support rod 49 connected between the front side and the weeding bar 15;
The rear side of the packer support 47 is
The transmission means 43 is attached to the mowing section frame via the rear support rod 50 connected to the upper end of the transmission case 43a and the transmission case 43a. The transmission case side of the rear support rod 50 is
It is connected to the transmission case 43a by being connected to a bracket 50a attached to the transmission case 43a so as to support a tension arm or the like that applies tension to the transmission case 43a.

The rotary packer 18 inside the body of the first packer device P1 and the rotary packer 18 on the right side of the second packer device P2 are the same as the rotary packer 18 on the left side of the second packer device P2 and the body of the third packer device P3. A packer support 47 having a support cylinder for supporting the support shafts 34a and 34b of each rotary packer 18 as well as the packer support 47 for supporting the inner rotary packer 18, and a weeding bar The cutting section frame is supported by a front connecting rod connected to the cutting section 15.

As shown in FIGS. 10 and 13, etc., the rotary packer 18 inside the body of the first packer device P1, the rotary packer 18 of the second packer device P2, and the body inside the third packer device p3 are located. The endless transport belt 19 located above the rotary packer 18 is
4a, 34b, 34c, 34d, rotating packer 1
8 and a support arm 51 extending from the packer support 47 and a support shaft 51a.
And the rotating body 52 on the transport start end side, which is rotatably supported via the rotator.

A belt cover 53 is provided above the endless conveyor belt 19, and the arm preventing mechanism 54 for preventing the culm or the like from being caught in the rotating body 31 by the tip end of the rotating body 31 which has entered the belt groove is provided on the arm. It is attached to 51. The belt cover 53 includes a reinforcing rib 31a having one end side provided on a boss portion of the rotating body 31, and a sheet metal 55 attached to the support shafts 34a, 34b, 34c, 34d.
And the other end is held between the flat plate portion 51b on the tip end side of the support arm 51 and the rotating body 52,
The intermediate portion is fixed to the support arm 51 by being fastened to the support arm 51 by co-fastening with the entanglement preventing tool 54.

[Another Embodiment] In place of the first, second, and third endless rotating chains 21a, 24, and 25, an endless belt such as an endless belt for conveying various kinds of grain stems is used. These may be collectively referred to as the endless rotating strip 2
1a, 24 and 25.

[Brief description of the drawings]

FIG. 1 is a side view of the front of the combine.

FIG. 2 is a schematic plan view of a cutting section.

FIG. 3 is a front view of a cutting section.

FIG. 4 is a cross-sectional view of the lower end portion of the raising device.

FIG. 5 is a sectional view of the upper end portion of the raising device.

FIG. 6 is a plan view of a cutting section frame.

FIG. 7 is a plan view of the packer device.

FIG. 8 is a front view of the packer device.

FIG. 9 is a sectional view of a transmission case.

FIG. 10 is a side view of the packer device disposition section.

FIG. 11 is a front view of the raising transmission case.

FIG. 12 is a plan view of the packer device mounting structure.

FIG. 13 is a cross-sectional view of the packing device mounting structure.

FIG. 14 is a plan view of a mowing drive mechanism.

[Explanation of symbols]

 4a Threshing feed chain 13 Cutting device 14 Power transmission case 18 Rotary packer 21a First endless turning strip 23 Second endless turning strip 25 Third endless turning strip 35 Rotating body 38 Power take-out unit 39 Transmission means 41 Rotating body 47 Packer support 50 Support rod P1 First packer device P2 Second packer device P3 Third packer device

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Towa Terao 64 Ishizu-Kitacho, Sakai City, Osaka Prefecture Inside Kubota Sakai Works (72) Inventor Tamotsu Seiya 64 Ishizu-Kitacho, Sakai City, Osaka Prefecture Kubota Sakai Co., Ltd. Inside the factory (72) Inventor Atsushi Tonari 64, Ishizukita-cho, Sakai City, Osaka Prefecture Inside the Kubota Sakai Works, Ltd. Inventor Yoshihiro Takayama 64 Ishizukita-cho, Sakai-shi, Osaka F-term in Kubota Sakai Works Co., Ltd. (Reference) 2B081 AA01 BB11 BB16 CC41 CC51 EB01 EB16 EE03 EE12 EE13 EE26 2B084 AA01 AC06 BD01 BD15 BD21 BH01

Claims (3)

[Claims] 1. A packer device for scraping a stem side of a cutting culm from a cutting device by a pair of rotating packers meshing and rotating in a state of being aligned in a lateral direction of the machine body in a rearward direction of the machine body. Among the three packer devices, the first endless rotating belt-shaped body that conveys the root side of the cut culm from the first packer device located at the most lateral end of the machine toward the threshing feed chain. A second one of the three packer devices, which transports the root side of the cut culm from the second packer device located in the middle toward the rear of the machine body and supplies it to the first endless rotating belt-like body. An endless rotating belt is provided in a state where the transport start end side of the second endless rotating belt is wound around a rotating body that rotates integrally with one of the rotating packers of the second packer device. Of which, the side of the aircraft A combine provided with a third endless rotating belt that conveys the root side of the harvested culm from the third packer device located at the other end side toward the rear of the machine and supplies it to the first endless rotating belt. A power take-out portion located below a rotating body around which the transport end side of the second endless rotary belt is wound, and a power take-out portion provided in the power transmission case for the mowing portion. A harvester structure of a combine harvester, comprising a transmission means for transmitting power to the rotating body on the transport end side. 2. A pair of rotary packers of said second packer device and a pair of rotary packers of said third packer device are displaced in the vertical direction of the fuselage, and one of said second packer devices is displaced. Part of the rotating packer,
2. The combine harvester structure according to claim 1, wherein a part of one of the rotary packers in the third packer device is arranged so as to overlap when viewed in a vertical direction of the machine body. 3. The transmission means includes a transmission case erected on the transmission case for the mowing unit, and is connected to the packer support for supporting the rotary packer of the second packer device, and the transmission case. 3. The combine harvester structure according to claim 1, further comprising a support rod.