JPH11113349A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the attaching structure of a driver's seat and improve the operability of the opening and closure of the front cover. SOLUTION: A reaping part at the front side of a machine body is provided with a cutting blade to cut the base of unreaped culm and a transporting mechanism to transport the reaped culm in laid posture. A threshing cylinder for threshing the culm supplied from the reaping part is placed in the threshing part at the rear side of the machine body. In a combine harvester having the above structure, a front cover 185 is placed in front of a rear cover containing an air cleaner, a driver's seat is attached to the upper surface of the front cover 185 and an air-duct case 186 is integrally connected to the outer side of the front cover 185. The lower end of the air-duct case 186 is attached to the machine base in a manner freely rotatable out of the machine body around a shaft 187.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine for continuously cutting and threshing grain culms.

[0002]

Conventionally, when an engine is covered with a cover and a driver's seat is provided on the upper surface side of the cover, there is a problem that dust of cooling air supplied to the radiator and the engine cannot be easily removed. Also, when a precleaner is connected to the air supply air cleaner of the engine, the precleaner can be sucked into the garage by mounting the precleaner at a high place, but when entering the garage, for example, the precleaner collides with the building and is damaged. There was a problem that there was a problem and storage or transportation by truck was restricted.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a cutting blade for cutting a root of an uncut kernel and a transport mechanism for transporting the harvested kernel while supporting the harvested kernel in a sideways posture. A combine cover provided in the cutting section and provided with a handling cylinder for threshing grain culm supplied from the cutting section in the threshing section on the rear side of the fuselage, wherein a front cover is provided in front of a rear cover in which an air cleaner is provided, and a front cover upper surface is provided. The driver's seat is mounted on the side, and the air path case is integrally connected outside the front cover machine, and the lower end of the air path case is attached to the machine base so as to be rotatable out of the machine around the fulcrum axis. Since the driver's seat is attached to the front cover to be installed and the engine section is opened and closed by the rotation of the air path case, the driver seat mounting structure can be simplified and the front cover opening / closing operability can be easily improved.

In addition, outside air intake windows are respectively formed on the inner and outer side surfaces on the upper end side of the air passage case, and the dust removal air inside the air passage case is sent out from the inner side surface of the lower part of the case toward the engine. Since the outside air taken in from each window on both sides of the road case high place is dust-removed and sent to the engine from the lower part of the case, the engine and the radiator can be cooled by the air with little dust.

A lid is attached to the outer surface of the lower part of the air duct case so as to be openable and closable. When dust entering the interior of the air duct case from the windows on both upper sides falls by its own weight and accumulates at the lower part of the case, By simply opening the case, dust at the lower part of the case can be discharged, and the front of the radiator opposed to the inside of the lower part of the case can be cleaned.

In addition, a cutting blade for cutting the root of the uncut culm and a transport mechanism for supporting the cut culm in a sideways posture and transporting the cut culm are provided in a cutting section on the front side of the machine body. In the combine where a handling cylinder for threshing the supplied stalks is provided in the threshing section on the rear side of the fuselage, an auxiliary raising case is detachably attached to the front side of the raising case of the cutting section, and the raising tine of the raising case stands upright. Because the structure that takes in the grain culm that is, when the grain culm is lying down in the field scene, by attaching the auxiliary raising case, by raising the falling grain culm by the auxiliary raising tine and passing it to the raising tine, The present invention can appropriately perform harvesting work on lodging grain culms, and can easily eliminate the problem of clogging grain culms due to inappropriate raising of grain culms.

In addition, a cutting blade for cutting the root of the uncut culm and a transport mechanism for supporting the cut culm in a sideways posture and transporting the cut culm are provided in the cutting section on the front side of the machine body. In a combine where a handling cylinder for threshing the supplied culm is provided in the threshing section on the rear side of the fuselage, a dust-proof cover covering the upper surface of the reaping section is attached, and dust generated in the reaping section moves toward the adjacent driver's seat. This can be easily prevented by the cover, and the work can be performed comfortably even when the amount of generated dust is large.

In addition, a cutting blade for cutting the root of the uncut culm and a transport mechanism for supporting the cut culm in a sideways posture and transporting the cut culm are provided in a cutting section on the front side of the machine body. In a combine that provides a handling cylinder for threshing the supplied culm in the threshing section on the rear side of the fuselage, a tine chain is installed inside the raising case of the cutting section and a raising tine is arranged, and a tension adjusting bolt is provided at the upper end of the raising case. It is configured to adjust the tension of the tine chain, and the tension adjustment bolt can be extended vertically to form a large amount of tension adjustment, and the tension adjustment spring can be formed without being restricted by the horizontal width of the raising case. The bolt can be easily connected.

A tension sprocket for extending the tine chain is pivotally supported at the tip of the tension arm.
A tension spring is locked at the tip of the tension arm.The tension chain can be maintained at a specified tension by a small tension spring force against a large loosening force of the tine chain, and the tine chain can be irregularly changed by raising resistance. Can be easily prevented.

[0010] Further, a tension arm base end is rotatably mounted around the axis of a driving sprocket for extending the tine chain, and the tension arm distal end is extended obliquely downward, so that the tine chain is adjusted to a specified tension. By lowering the initial position of the tension arm to be kept and raising the tension arm when the tine chain is extended by use, the tension adjustment range can be set large and the tension adjustment bolt can be compactly mounted on the back of the raising case. is there.

[0011] A cutting blade for cutting the root of the uncut culm and a transport mechanism for supporting the cut culm in a sideways position and transporting the cut culm are provided in the cutting section on the front side of the machine body. In a combine, in which a handling cylinder for threshing the supplied culm is provided in a threshing section on the rear side of the fuselage, an air cleaner for supplying the engine for driving the cutting section and the threshing section is provided, and a pre-cleaner for supplying air to the air cleaner is provided. Along with
A pre-cleaner is provided at the upper end of the engine, which stands vertically above the engine.A pre-cleaner is attached to the pre-cleaner.The air supply tube is formed long so that outside air with little dust from high places can be taken into the pre-cleaner. When harvesting and storing in a garage or transporting on a truck bed, the pre-cleaner and air supply pipe are stored low, so that dust accumulation on the air cleaner and pre-cleaner can be reduced, and the proper dust removal function can be extended. It is possible to connect the pre-cleaner to a building or a tree branch or the like while eliminating the problem that the pre-cleaner collides with the building, and it is possible to easily store a garage or transport a truck.

Further, the pre-cleaner and the air supply pipe are configured to be folded on the rear side of the upper surface of the grain tank, so that the pre-cleaner can be laid down in a direction away from an operator during storage,
The problem that the precleaner hits the worker or the hand is pinched can be easily eliminated, and the precleaner undulation operability can be easily improved.

Further, the air supply pipe mounting surface and the upper surface of the grain tank are formed at substantially the same height, so that it is possible to easily eliminate such a problem that the air supply pipe collides with a corner of the kernel tank.

An air cleaner is disposed above the engine, and an air supply pipe is erected up and down on the upper surface of a rear cover for closing the upper surface of the air cleaner. The air cleaner is disposed above the engine via the rear cover. The pre-cleaner can be arranged functionally, and the air supply pipe mounting structure can be simplified and the cleaner connection structures can be simplified.

The air cleaner and the air supply pipe are connected by a bendable connecting pipe, so that the pre-cleaner and the air supply pipe can be stored without separating the air supply pipe from the air cleaner, and the air cleaner and the air supply pipe can be properly connected. The connection can be maintained.

Further, a front cover is provided in front of a rear cover in which an air cleaner is installed, and an engine is disposed inside each cover. Since the front cover is provided separately from the rear cover for covering the engine, the front cover is provided. By opening and closing, maintenance of the inside of the engine and the like can be performed, and the rear cover can be fixed at the closed position to easily simplify the mounting structure of the air cleaner and the precleaner.

Further, the operating member is provided to be offset to the right side of the upper surface of the front column, and the display member is provided to be offset to the left side of the upper surface of the front column. The operator in the driver's seat operates the lever and switch with the right hand. It is easy and the operator can easily check the tachometer and the lamp group on the left side of the upper surface of the front column while visually observing the harvesting work on the left side, and the operator can quickly respond to abnormal engine rotation or each alarm. It is.

Some lamps are turned on by the power-on operation of the key switch, and all the lamps are turned off when the engine is started. In addition to preventing the discharge of the battery, all the lamps are turned off by the operation of the engine, and an appropriate operating state and an abnormality caused by the lighting of the lamps can be displayed to the operator in an easy-to-understand manner.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a right side view of the combine, FIG. 2 is a left side view thereof, and FIG. 3 is a plan view thereof. In the figure, (1) is a track frame on which a pair of left and right traveling crawlers (2) and (2) are mounted, 3) is a machine frame installed on the upper side of the track frame (1), (4) is a threshing unit which stretches a feed chain (5) on the left side and incorporates a handling cylinder (6) and a processing cylinder (7). , (8) is a four-row mowing section provided with a cutting blade (9) and a culm transport mechanism (10), etc., and (11) is a hydraulic lift that raises and lowers the mowing section (8) via a mowing frame (12). A cylinder, (13) a straw cutter facing the end of the straw chain (14), (15) a grain tank for carrying the grains from the threshing unit (4) through a fryer cylinder (16), (17) ) Is a paddy pad for carrying out the grains of the tank (15) outside the machine, (1)
Reference numeral 8) denotes a driver's cab provided with a driving operation unit (19) and a driver's seat (20), and reference numeral (21) denotes an engine provided below the driver's seat (20), which is configured to continuously cut husks and thresh. doing.

Further, as shown in FIG. 4 and FIG.
Raised case (2) having raised tines (23) for raising uncut grain stems between two weeding boards (22)
4) ..., a four-stroke star wheel (25) and a scraping belt (26) ... which scrape the stem side of the raised grain stalk, and a cutting blade for cutting the scraped grain stem (S). 9) and the lower right transport chain (2
7) and the upper right transport tine (28), and the lower left transport chain where the cut culms of the left two rows are merged near the feed end position of the lower right lower transport chain (27) and the upper right transport tine (28). (29) and upper left transport tine (30)
A vertical transport chain (31) for inheriting and transporting the root side of the four-row cut grain culm that joins the feed end of the lower right transport chain (27); and a feed end of the vertical transport chain (31). An auxiliary transport chain (32) provided in the section for inheriting and transporting the harvested grain culm to the feed chain (5) in an appropriate posture is provided in the cutting section (8) for 4-row mowing, and the harvested grain culm for 4 rows is provided. Is passed to the vertical transport chain (31) and then fed to the feed chain (5) for threshing.

Further, the vertical transfer chain (3) is connected via a transfer input case (34) having a depth adjustment fulcrum shaft (33).
Attach the feed start end of 1) to the mowing frame (12) and swing the feed end of the vertical transfer chain (31) to the deep or shallow position about the fulcrum shaft (33) of the transfer input case (34). Mowing frame (12) for moving the motor
And a vertical transport chain (31) with respect to the feed start end of the auxiliary transport chain (32) by forward / reverse control of the handling motor.
Are arranged so that the feed ends of the stalks are brought into contact with and separated from each other, and the cereal stem handling depth by the handling cylinder (6) is changed.

Further, as shown in FIGS. 6 and 7, a rectangular box-shaped casing (36) is formed on the upper surface of the machine base (3), and a handling chamber (37) is provided above a front part of the casing (36). ) Is formed, and inside the handling chamber (37), the handling cylinder (6) which is provided with a large number of teeth (38)...
Are provided such that the axis of the line is substantially parallel to the running direction.
A receiving net (39) is provided below the handling cylinder (6), and a receiving net is formed except for a straw discharge port (41) defined by a partition plate (40) at the rear end of the handling cylinder (6). (39) is stretched, and a straw passage (42) is formed behind the handling chamber (37).

Further, a sorting mechanism (43) is provided below the handling room (37), and an oscillating sorting board (44) is provided. The rocking sorter (44) includes a falling plate (45) provided substantially below the receiving net (39) and a leaking horizontal bar (46) provided from below the straw discharge port (41) to the rear. ), A paddy pad (47) provided below the front part of the leaking horizontal rail (46), and a straw chip provided at the terminal part on the upper surface side of the leaking horizontal rail (46) to disassemble the grain The fin (48) to be removed and the leaking horizontal rail (4
6) Sorting net (4) connected to the rear end of the lower paddy tray (47)
9). Then, the swing sorter (44) is caused to swing in the axial direction (front-back direction) of the handling cylinder (6) by rotation of the eccentric shaft (50), so that the straw chips are sent backward, and Drop the grains down.

Also, Karamin (51) which blows up the sorting wind toward the sorting net (49), the first gutter (52) for receiving the grains dropped from the sorting net (49), and the leaking crossbar (46) A second gutter (53) for receiving a mixture of grains and straw, ie, a second material, falling from the rocking sorter (44) is provided below. The kernels contained in the first gutter (52) are the first spiral-shaped conveyor (54) in the first gutter (52) and the fried kernel incorporating the spiral-plate conveyor (55) shown in FIG. It is transferred from the upper end charging port (56) to the grain tank (15) via a tube (16). In addition, the second thing entering the second gutter (53) is a spiral plate type second conveyor (57) in the second gutter (53).
And, via the reduction conveyor (58) shown in FIG. 8, the reduction transfer is performed on the upper surface of the leaking horizontal rail (46) of the swinging sorter (44).

A feed chain (5) is provided on the left side of the machine casing (36) for transferring the cereal culm from the cutting section (8) along the axial direction of the handling drum (6). A straw chain (14) is provided on the rear upper surface of the casing (36) for inheriting straw from the feed end of the feed chain (5) and transferring the straw to the rear of the casing (36). The culm supplied from 8) in a sideways posture is discharged to the rear straw cutter (13) via each chain (5) (14) and released while being cut off, and the rear side of the casing (36). Straw passage (42)
A straw discharge plate (60) is provided at the rear end side of the fourth gutter (59) forming the opening so as to be openable and closable, and the straw in the sideways posture sent to the end of the straw chain (59) is removed from the discharge plate (60) through the casing. (36) The cereal stem supplied from the reaping unit (8) is dropped onto the rear field in an uncut state, and is inherited by the feed chain (5), and the cereal stem transferred by the feed chain (5) is: The culm or the straw after threshing by the handling cylinder (6) is passed from the feed end of the feed chain (5) to the straw chain (14), is transported rearward, and is transferred to the straw discharge plate (6).
0) to a field, or cut by the cutter (13) and then released.

The grain threshed in the handling room (37) falls downward from the receiving net (39), and is oscillated by the swing sorter (4).
It goes into the first gutter (52) through the drifting board (45) and the sorting net (49) of 4). Then, the grains of the first gutter (52) are fed into the grain tank (15) via the first conveyor (54) and the fryer cylinder (55), and are discharged from two outlets formed on the lower surface of the tank (15). Drop into the lower two paddy bags and pack into each bag. A large number of empty paddy bags are hung on a receiving rod and hung, and when the bag attached to the tank (15) outlet is full of grains, the next bag is attached to the tank (15) outlet. I do. This work is performed by a worker on the paddy stand (17). On the other hand, the receiving network (3
Large thresh such as straw waste that did not fall from 9) is sent out from the reprocessing port (61) at the rear of the handling room (37) to the left processing cylinder (7) and re-threshed, and then leaks downward. Drop it on the upper surface of the lower horizontal rail (46). The processing cylinder (7) has screw blades mounted on the outer periphery thereof, and a processing net (62) is provided around the lower part of the processing cylinder (7) to allow reprocessed grains to leak from the processing net (62). On the other hand, due to the sorting wind from Karino (51) and the rocking motion of the rocking sorter (44), heavy threshing material, that is, grains fall from the horizontal rail (46), and large and light straw waste is removed from the horizontal rail (46). ) Is discharged out of the machine through the fins (48) from the upper surface, and is sorted into grains and straw waste.
The second object falling from the crossbar (46) is the second gutter (5
3), is reduced and transferred to the upper surface of the horizontal rail (46) via the spiral second conveyor (57) in the second gutter (53), and is sorted again.

As shown in FIGS. 6 to 8, a transmission case (63) is provided at the front of the track frame (1).
The output shaft (64) of the engine (21) is connected to the input shaft (65) of the transmission case (63) by a belt (6).
6) Connected, transmit the power of the engine (21) to the traveling crawler (2) via the transmission case (63), drive the traveling crawler (2) to move forward and backward, and cut the transmission case (63). A drive shaft (67) is provided,
Further, a single cutting shaft (69) is inserted into a cylindrical rotating fulcrum shaft (68) provided with a cutting unit (8) so as to be able to move up and down, and a single cutting shaft (69) is connected to a cutting drive shaft (67) by a belt (70). ) To connect the engine (21) to the transmission case (6).
3) to each drive unit of the reaping unit (8) via
The cutting single shaft (69) is connected to the cutting three shafts (72) via the cutting two shafts (71), and the three cutting shafts (72) are connected to the raising shaft (74) via the raising input shaft (73). Let it.

Then, the upper right transfer tine (28) and the auxiliary transfer chain (3) are passed through the cutting single shaft (69).
2) and the star wheel (2
5) (25), the scraping belts (26) and (26), the right transport chain (27), and the vertical transport chain (31)
Driven via shaft (71). In addition, three axes of cutting (72)
The cutting blade input shaft (75) is connected to the blade, the cutting blade (9) is driven, and the star wheel (25) (25) and the scraping belts (26) (26) for the left two rows, (2
9) and the transport tine (30) are connected to the raising input shaft (7).
Drive via 3). Further, each of the raising tines (23) for four rows is driven via the raising shaft (74), and the mowing unit (8) is driven at a speed synchronized with the traveling speed by the vehicle speed tuning driving force of the transmission case (63). ) It is configured to drive each unit.

Further, a sorting drive case (76) is provided in front of the sorting mechanism (43), and a sorting drive shaft (77) is inserted into the case (76), and an output shaft (64) of the engine (21) is inserted. The belt (78) is connected to the sorting drive shaft (77), and the sorting drive shaft (77) is connected to the belts (79), (80), and (81) to each part of the sorting mechanism (43), and the swing sorter (44) Is swung in the front-rear direction to drive Karino (51) and each of the conveyors (54) (57) to separate degranulated material falling below the handling cylinder (6) into grains and straw chips, and collect grains. A belt (79) for transmitting the power of the engine (21) to the Karamin (51) and the first conveyor (54) of the sorting mechanism (43), and a second conveyor (57) via the first conveyor (54). ) And a belt (80) for transmitting power to the conveyor (54) (57). Power and provided a belt (81) for transmitting the oscillating sorting machine (44), three belt each part of the selection mechanism (43) (79) (80) is driven by (81).

A cross flow fan (82) is provided on the lower side of the fourth gutter (59) above the rear part of the swinging sorter (44), and the cross flow fan (82) is mounted on the second conveyor (57) by a belt. (80) The fan (82) is connected to the straw cutter (13) by a belt (83), and the belt (83) is connected to the fan (82).
The cutter (13) can be attached or detached as required by operating the fan (82).
Is transmitted to the feed chain (5) via the feed chain clutch (84), and is moved to the straw debris and dust discharged from the processing cylinder (7) and to the rear upper surface of the swing sorter (44). The fan (82) sucks and discharges light straw waste and dust out of the machine, while dropping the remaining heavy straw waste from the rear end of the rocking sorter (44) downward to the outside of the machine. Make up.

Further, as shown in FIGS. 4, 5 and 9 to 15, the three cutting axes (72) are inserted into the front end of the cutting frame (12) into which the two cutting axes (71) are inserted. The right end of the horizontal frame (85) made of iron casting is fixed, and the right frame (8)
6) The left ends are connected to each other to extend the frames (85) and (86) substantially on the same axis, and the iron casting cutting output case (87) is fixed to the left end of the horizontal frame (85).
Five pre-cutting frames (88) for mounting the cutting blade (9) and the lower end of the raising case (24)...
9), the rear ends of the left and right outer cutting frames (88) are connected to the right frame (86) and the cutting output case (87), and the front end of the round pipe-made cutting frame (88) is flattened. The fixing plate (90) of the weeding plate (22) is fixed to the front flat portion (89) of the frame before cutting (88) by bolts (91)... And the mounting plate of the weeding plate (20). The front end of the weeding rod (92) is fixed by welding to (90). Then, the uncut grass culm in the field is distributed to the left and right by the weeding plate (20) and the weeding rod (92) and introduced between the raising cases (24). The frame before cutting (88) to be attached is extended forward, and the weeding board (22) is fixed with bolts (91).
A conventional weeding frame is not required, so that the mounting structure of the weeding plate (22) can be simplified and the manufacturing cost can be reduced. 22) and attaching a weeding rod (92) to the weeding plate (22), thereby eliminating the need for a conventional weeding frame and simplifying the mounting structure of the weeding rod (92) and reducing manufacturing costs. It is configured so that it can be achieved.

Further, a raising input case (94) for connecting the rear surface of the lower end of the raising case (24) to a support (93) standing upright on the frame before cutting (88) and inserting the raising input shaft (73) therein. And a raising drive case (95) for interpolating the raising shaft (74), and a lower end of the input case (94) is connected to a cutting output case (87), and an upper end of the input case (94) to be erected. The drive case (95) is connected to the drive case (95) to extend substantially horizontally in the left-right direction. Four raising cases (24)... The rear surface of the upper end portion is fixed, and the drive case (95) is tilted backward and inclined. The case (24) is erected.

Further, as shown in FIGS. 11 to 15, a driving sprocket (96) for transmitting the power of the raising shaft (74) of the driving case (95), a driven wheel (97), and a plurality of raising tines ( 23) a chain (98) having ...
A tension sprocket (99) for tensioning the chain (98) is provided inside each raising case (24), and the front flat plate (100), the rear flat plate (101), and the raising tine (23) are raised and projected. Standing guide (10
2), an auxiliary standing guide (103) connected to the upper end of the guide (102), and a guide square member (104) for reinforcing the edges of the front and rear flat plates (100) and (101) from which the raising tine (23) projects. ) And (104) constitute the raising case (24). And the back flat plate (101)
A front flat plate (100) is detachably fastened with bolts (105), and a rear flat plate (101) is fixed to the drive case (95) via a bearing case (106). The tine shaft (108) is connected via the (107), and the driving sprocket (9) is connected to the tine shaft (108) to be inserted into the bearing case (106).
6) is fixed. Further, the base end of the tension arm (109) is rotatably mounted on the outer periphery of the bearing case (106), and the shaft (110) is mounted on the distal end of the tension arm (109).
, A tension sprocket (99) is rotatably supported by a shaft, and a chain (98) is stretched through each sprocket (96) (99) and a driven wheel (97).

A receiving plate (111) is fixed to the upper end of the rear flat plate (101), and a nut (11) is attached to the receiving plate (111).
2) A tension adjusting bolt (113) is fixed so as to be able to move up and down freely through 2), a lower end of the bolt (113) is connected to an upper end of a tension spring (114), and a receiving shaft (115) is attached to a tip of the tension arm (109). Then, the lower end of the tension spring (114) is connected to the receiving shaft (115), and the tension arm (109) and the tension sprocket (99) are lifted upward by the tension spring (114) to tension the chain (98).

The base plate (1) is attached to the rear flat plate (101).
16) is fixed, and a nut (117) is attached to the base plate (116).
The slack prevention bolt (118) is fixed so as to be adjustable in position via a bolt, and the head of the bolt (118) is arranged below the tip of the tension arm (109) so as to face the tension spring (1).
When the tip of the tension arm (109) is lowered by pulling the chain (98) against the arm (10), the arm (10) is pulled down.
9) The lower edge of the tip abuts on the head of the bolt (118) to prevent the chain (98) from being pulled, and the tine chain (98) is installed inside the raising case (24) of the mowing part (8). A raising tine (23) is provided, and a tension adjusting bolt (113) is provided at the upper end of the raising case (24) to adjust the tension of the tine chain (98). The bolt (113) can be connected to the tension adjusting spring (114) without being restricted by the left and right widths of the raising case (24).

A tension sprocket (99) for extending the tine chain (98) is pivotally supported at the tip of the tension arm (109), and the tension arm (10) is extended.
The tension spring (114) is locked at the further tip of 9), and the tine chain (98) can be maintained at the specified tension by the small tension spring (114) force against the large loosening force of the tine chain (98), and the tension changes irregularly. The tine chain (98) is prevented from oscillating due to the resistance of the tine chain (98), and the base end of the tension arm (109) is rotatably mounted around the axis of the drive sprocket (96) for extending the tine chain (98). Tension arm (109)
Extend the tip side obliquely downward, and apply Tine chain (9
8) The initial position of the tension arm (109) for keeping the tension at the specified tension is lowered, and when the tine chain (98) is extended by use, the tension arm (109) is raised,
The tension adjustment range can be set large, and the tension adjustment bolt (113) can be compactly attached to the back of the raising case (24).

Further, a driven wheel (97) is attached to the lower end of the rear flat plate (101) via a bearing plate (119), and the upright guide (102) is fixed to the rear flat plate (101) by bolts (120). Then, the storage guide (121) is fixedly fastened to the tine (23) storage passage by the bolt (122) at the lower end of the upright guide (102).
Standing guide (102) The auxiliary standing guide (10
3) replace the long holes (123) and (123) of the rear flat plate (101).
Bolts (124) (124) so that the mounting positions can be freely switched
Stopped and fixed. Then, as shown in FIG. 11, when the auxiliary standing guide (103) is retracted inward away from the tine (23) standing passage of the standing guide (102), from the lower end to the upper end of the standing guide (102). Tyne (2
3) is raised and protruded and supported to the outside of the case (24) to raise the cereal stem, the tine (23) falls down at the position of the auxiliary standing guide (103), and is stored inside the case (24). When the culm length is short, the grain at the ear of the culm is prevented from shedding due to the ironing of the tine (23). Also, as shown in FIG. 12, the tine (23) of the standing guide (102) is used.
When the auxiliary upright guide (103) advances into the upright passage, the tine (23) is moved by the auxiliary upright guide (103).
Is raised and protruded to the outside of the case (24) to raise the grain culm. When the culm length is long, the tine (23)
The cereal stem is raised almost vertically by raising the culm tip to a sufficiently high position, and the culm tip falls down and the case (24)
To prevent the ears from being cut off or the kernels from being crushed and falling.

Further, FIG. 9, FIG. 10, FIG. 11, FIG.
As shown in FIG. 15, a storage plate (125) connected to the upper end of the storage guide (121) is fixed to the front flat plate (100), and the tine (23) is stored and moved by the storage plate (125). Each of the raising cases (24)... The upper cover (126) covering the upper end is raised by the raising case (24).
Bolts (127) and left and right side plates (128) (12) for covering the left and right side surfaces of the reaper (8).
9) is fixed to the raising case (24) by bolts (130). Headlamps (131) and (131) for illuminating the front of the reaper (8) are provided on the upper cover (126).

Further, as shown in FIGS. 9, 10, 13, and 14, the uncut grass is taken in through a weeding plate (22) smaller in size than the weeding plate (22) of FIGS. An upright supporting case (132) for raising the culm is provided by the raising tine (23), and a four-row auxiliary raising case is provided on the front side of the raising case (24). Auxiliary tine (13)
3) is attached to the case (132) to promote the raising action of the raising case (24), and the substrate (134) for rotatably supporting the auxiliary raising case (132) in front of the fuselage is cut off. A notch groove (136) of the substrate (134) is engaged with and supported by a rotation fulcrum shaft (135) at the lower end of the auxiliary raising case (132), and is fixed to the frame (88), with the fulcrum shaft (135) as the center. The auxiliary raising case (132) is rotatably attached to the front of the fuselage, and the hook (137) at the lower end of the auxiliary raising case (132) is engaged with the pin (138) of the board (134) so as to be freely detachable and engaged. 137) and the pin (138) are engaged to restrict the backward rotation of the auxiliary raising case (132) about the fulcrum shaft (135), and raise the auxiliary raising case (132) substantially in parallel with the front surface of the raising case (24). To support it is. As described above, the auxiliary raising case (132) is detachably attached to the front side of the raising case (24) of the mowing part (8), and the raising case (24).
The raising tine (23) has a structure for taking up the standing cereal stem, so when the cereal stem is lying down in the field scene, the auxiliary raising case (132) is attached, and the auxiliary raising tine (13) is attached.
Raise the lodging culm by 3) and raise the tine (23)
The harvesting of the lodging culm is carried out to eliminate the problem of clogging the culm due to improper raising of the culm.

A driving case (139) is fixed to the upper end side of the auxiliary raising case (132) by bolts (140), and the connection case (1) is mounted on the front surface of the upper end of the raising case (24).
41), and fix the screw (142) and the coupling member (14).
The drive case (139) and the connection case (141) are detachably connected via 3). The spline portion at the tip of the input shaft (144) of the drive case (139) is connected to the spline portion at the tip of the tine shaft (108). The connecting cylinder shaft (145) is fitted, and the power of the tine shaft (108) is applied to the input shaft (144).
To drive the auxiliary trigger tine (133),
Remove the screw (142) to separate the coupling member (143), and the auxiliary raising case (132) around the fulcrum shaft (135).
Is turned forward, the drive case (139) is removed from the connection case (141), and the hook (137) is removed from the pin (138). Then, the auxiliary raising case (132) is lifted and separated. In addition, the auxiliary raising case (132)
Is attached to the front of the raising case (24) by the reverse operation. When the auxiliary raising case (132) is removed, the front flat plate (100) of the raising case (24) is removed, and the front of the raising case (24) is removed. The lower side of the auxiliary raising case (132) is attached to the lower pre-cutting frame (88) with a notch groove (136), which is a detachable concave member, and a convex member. Is the rotation fulcrum shaft (135)
Through the notch groove (136) and the pivot (1).
After the auxiliary raising case (132) is erected by the locking of 35), the upper support portion is connected, and after the auxiliary raising case (132) upper support portion is detached, the notch groove (136) is formed. A conventional problem in which the auxiliary raising case (132) can be removed by performing a lifting operation for separating the rotation fulcrum shaft (135), and the upper end side support portion is deformed and damaged by swinging of the auxiliary raising case (132) at the time of attachment / detachment. And eliminates the need for two or more operators or special equipment when attaching and detaching the auxiliary raising case (132), and allows the single raising and lowering of the auxiliary raising case (132) to be performed by one operator. I have.

Further, as shown in FIGS. 16 and 17, the cutting blade input shaft (75) is supported by a cutting output case (87), and the input shaft (7) is protruded upward from the case (87).
5) The crank arm (146) is fixed to the upper end, and the case (87) is extended forward so that the pipe (8)
9) and a bolt (147) fixed to the case (87), and an upper surface plate (148) is fixed to the case (87) by a bolt (149). The output shaft (150) is fixed between the case (87) and the upper surface plate (148). ) Is fixed, and the output arm (151) is rotatably supported on the shaft (150). Then, the shaft (152) of the crank arm (146) and the output arm (1)
51) The bearing (154) (1) is mounted on the shaft (153).
55), the both ends of the crank rod (156) are rotatably connected, and the output arm (151) is connected to the shaft (1).
A bearing (158) is provided via 57). Also,
The fixed blade (160) is fixed to the frame before cutting (88) via the cutting blade stand (159), and the movable blade (161) is slid left and right on the upper surface of the fixed blade (160) via the cutting blade retainer (162). While being movably mounted, the locking plate (163) is fixed to the movable blade (161), the output arm (151) is connected to the locking plate (163) via the bearing (158), and the crank arm (146) is connected. Output arm (151) via the crank rod (156) by one-way rotation
The movable blade (161) is reciprocally slid right and left around the axis (150), and the fixed blade (160) and the movable blade (16) are slid.
The cutting blade (9) formed by (1) and (2) is configured to cut the root of the grain stalk. A crank arm (146) is attached inside a cover (162) fixed to the upper surface of the case (87) to prevent the straw or grass from being wound around the crank arm (146).

Further, as shown in FIGS. 18 and 19, a driving sprocket (164) fixed to an axle (163) provided in the transmission case (63) and a pressure receiving wheel (1).
65) sleds (166) and (166) for preventing lateral displacement;
The traveling crawler (2) is mounted on the track frame (1) via the tension roller (167),
A gantry (168) is fixed to the rear upper surface of the track frame (1) and connected to the machine base (3). In addition, the middle of the tension adjusting shaft (169) made of a square pipe
8) so as to be slidable in the front-rear direction, and the tension roller (16) is attached to the rear end of the tension adjusting shaft (169).
7) is connected rotatably, and a tension adjusting bolt (171) is passed through a bolt seat (170) fixed to the upper surface of the track frame (1), and a nut (17) is inserted.
2) The bolt (171) is moved back and forth by the screwing operation of (172) to slide the adjustment shaft (169) back and forth,
The tension roller (167) is moved back and forth to adjust the tension of the traveling crawler (2).

The crawler receiving wheel (173) is rotatably supported on the upper end of the mounting plate (174).
74) The lower end is fixed to the track frame (1), and the crawler receiving wheel (173) is slid in contact with the lower surface of the non-ground side intermediate portion of the traveling crawler (2) to prevent the traveling crawler (2) from loosening on the non-ground side. In order to prevent the crawler receiving wheel (173) from being attached to the track frame (1), the bolt (175) fixing the mounting plate (174) is removed, and the crawler receiving wheel (173) and the mounting plate (174) are removed from the track frame (1). After being removed from the frame (1), the bolt (171) and the nut (172) are screwed from outside the traveling crawler (2).

Further, FIGS. 1, 2, 3, 20 and 2
As shown in FIG. 1, left and right side clutch levers (17) are provided on the upper surface of a front column (175) in front of the driver's seat (20).
6) (177) is erected, and each lever (176) (17)
7) The distance between the levers (176) and (177) on the upper end side is made larger than the distance between the base ends, and each lever (176) (1)
77) The operability and downsizing of the mounting portion are performed. Further, a side column (178) is provided between the driver's seat (20) and the mowing part (8), and a main transmission lever (179) is erected substantially at the center of the front and rear widths of the side column (178). 179), a sub-shift lever (180) is set up on the right side, and a mowing section elevating lever (181) is set up on the left side, and an accelerator lever (182) of the engine (21) is mounted in front of the main shift lever (179). A mowing clutch lever (183) and a threshing clutch lever (184) are attached to the rear of the main and auxiliary shift levers (179) and (180), and the main shift lever (179) is arranged at the center to improve shift operability and shift. Lift lever (18
1) can be easily operated and the accelerator lever (18
2) and the clutch levers (183) and (184) are separated from each other to reduce erroneous operations. Further, a key switch (19a) for starting the engine (21) is provided on the right side of the upper surface of the front column (175), and left and right side clutch levers (176) and (177) are erected on the right side of the upper surface of the front column (175). , An engine tachometer (1) displaying the number of revolutions of the engine (21)
9b) is mounted on the left side of the upper surface of the front column (175), and a warning lamp group (19) for displaying an engine (21) fuel display, a battery charge display, an engine (21) oil pressure abnormality display, and an engine (21) cooling water temperature abnormality display.
c) is disposed on the front column (175) upper left side between the left side clutch lever (176) and the tachometer (19b). Then, the lever (176) (17
7) and operation members such as a switch (19a) are provided to be offset to the right side of the upper surface of the front column (175), and display members such as the tachometer (19b) and the lamp group (19c) are offset to the left side of the upper surface of the front column (175). The operator (20) of the driver's seat (20) holds the lever (176) with his right hand.
(177) and the switch (19a) are easy to operate, and the operator can easily check the tachometer (19b) and the lamp group (19c) on the left side of the upper surface of the front column (175) while visually observing the cutting operation on the left side. The engine (21) can promptly respond to abnormal rotation or warnings. Moreover, when the power is turned on by the key switch (19a), the lamps for the charge display and the oil pressure abnormality display are turned on, and the engine (21) is turned on by the key switch (19a).
When all of the lamps are turned off, turning on of some of the lamps indicates that the key switch (19a) has been turned on to prevent the battery from being discharged.
By the operation of 1), all lamps are turned off, and an appropriate operation state and an abnormality caused by lighting of the lamps are displayed in a manner that is easy for the operator to understand.

Further, a driver's seat (20) is mounted on the upper surface of a front cover (185) for the engine (21) in which the engine (21) is installed, and the front cover (1) of the engine (21) is mounted.
85) An air path case (186) is integrally connected to the right side, and a fulcrum shaft (187) for connecting the lower end of the case (186) to the machine base (3) is provided. A cover (18) is provided around the shaft (187).
5) and the case (186) are rotated outward to the right side of the fuselage so that the upper surface of the engine (21) is openable, and a lid (189) that can be opened and closed around an upper fulcrum (188) is attached to the lower part of the case (186). Attach it to the right side, remove the bolt (190) at the lower end, open the lid (189) upward, and clean the inside of the case (186). The engine (21)
The water cooling radiator (191) is replaced with the case (186).
Opposed to the opening (192) on the lower left side, the outside air intake windows (193) on the left and right sides on the upper end side of the case (186).
From (194), outside air is sucked into the case (186),
The outside air is moved to the lower part of the case (186) to separate and drop dust, and then moved in the direction of the radiator (191).
Dust is retained below the inside of the case (186), and outside air is taken into the case (186) from a high place with little dust to prevent the windows (193) and (194) from being blocked by dust, (186) The outside air from which dust is further removed inside is sent to the radiator (191) to be cooled,
The configuration is such that the amount of dust adhering to the radiator (191) is reduced, and further, the lid (189) is opened to remove dust inside the case (186), thereby saving the trouble of opening and closing the case (186).

As is clear from the above, the front cover (1
85) A driver's seat (20) is mounted on the upper surface side, and a wind path case (186) is integrally connected to the outside of the front cover (185), and the lower end of the wind path case (186) is connected to the fulcrum shaft (1).
87) Attached to the machine base (3) so as to be rotatable around the outside of the machine, and a driver's seat (20) attached to the front cover (185) in which the engine (21) is installed, and the air path case (186) is rotated. This allows the engine (21) to open and close, thereby simplifying the mounting structure of the driver's seat (20) and improving the operability of opening and closing the front cover (185). In addition, outside air intake windows (193) and (194) are respectively formed on the inner and outer side surfaces on the upper end side of the air path case (186), and the dust-removed air inside the air path case (186) is discharged from the inner side surface of the engine under the case (186). (2
1) The air passage case (18)
6) Remove the outside air taken in from the windows (193) (194) on both sides of the high place and remove the engine (2) from the lower part of the case (186).
1) and the engine (2
While cooling 1) and the radiator (191),
A lid (189) is attached to the outer surface of the lower part of the air duct case (186) so as to be openable and closable.
When dust that has entered the inside of the air duct case (186) from below falls under its own weight and accumulates at the bottom of the case (186), the lid (189)
By simply opening the, the dust at the lower part of the case (186) can be discharged, and the front of the radiator (191) provided inside the lower part of the case (186) can be cleaned.

Further, as shown in FIGS. 1 to 3 and FIG. 22, a horizontal frame (19) is provided in the trigger input case (94).
5) With the front end fixed, the cutting section (8) on the left side of the side column (178) and the transport cover section and the horizontal frame (195)
Both ends of the inverted U-shaped gate-shaped frame (196) are fixed to the rear part, and the gate-shaped frame (196) is erected in the left and right direction above the grain culm transport mechanism (10) of the cutting unit (8). A transparent synthetic resin dustproof cover (197) is attached to the portal frame (196), and the upper part of the mowing part (8) behind the raising case (24) is covered with the dustproof cover (197). In addition, as shown in FIG.
6) An auxiliary step (199) is provided on the outside of the lower machine (3) so as to be retractable or removable, so that the worker moves from the upper surface of the step (199) between the driver's cab (18) and the paddy cradle (17). It is composed.

As described above, the dustproof cover (197) for covering the upper surface of the mowing portion (8) is attached, and the dust generated at the mowing portion (8) moves toward the adjacent driver's seat (20). 197) so that work can be performed comfortably even when the amount of generated dust is large.

Further, FIGS. 1 to 3 and FIGS. 23 to 25
As shown in the figure, the rear cover (200) covering the rear part of the engine (21) is attached to the engine (21) and the grain tank (1).
5) The tank (15) is fixed on the machine base (3) between the front surfaces and the upper surface of the rear cover (200) is extended upward.
An air cleaner (201) is fixed inside the upper surface of the rear cover (200), and an air pipe (20) made of iron pipe is formed on the upper surface of the rear cover (200).
The precleaner (203) is fixed to the upper end of the air supply pipe (202) by connecting the air cleaner (201) to the engine (21) via a rubber hose (204). After removing the dust by taking in the outside air, the dust-removed air of the pre-cleaner (203) is sent from the air supply pipe (202) to the air cleaner (201) to further remove dust, and the dust-removed air of the air cleaner (201) is sent to the engine (21). It is configured to feed.

A fulcrum plate (205) is fixed to the upper surface of the rear cover (200) by bolts (206).
A base plate (207) is integrally fixed to the lower end of the air supply pipe (202), and the base plate (207) is attached to the fulcrum plate (205) via a support shaft (208) so as to be rotatable in the front-rear direction.
A set screw (210) having a knob (209) is provided on the fulcrum plate (205), and an arc-shaped long hole (21) of the base plate (207) is provided.
1) Insert the screw (210) into the pre-cleaner (20).
3) and the forward fall of the air supply pipe (202) is changed to a long hole (211).
With the knob (209) and the screw (21).
0) By stopping, the precleaner (123) and the air supply pipe (202) are fixedly supported at the solid line standing position or the imaginary line rearward falling position.

The inlet pipe (212) and the lower end of the air supply pipe (202) of the air cleaner (201) are connected via joints (213) and (214) to form a bellows-shaped bendable synthetic rubber connecting pipe (215). Connected by
The cover plate (216) is erected on the upper surface of the rear cover (200), and the front side and both left and right sides of the connecting pipe (215) are closed by the cover plate (216).

As is apparent from the above description, the cutting blade (9) for cutting the root of the uncut kernels and the transport mechanism (10) for transporting the harvested kernels while supporting the harvested kernels in a sideways position are provided on the front side of the machine. The cutting unit (8) is provided in the threshing unit (4) on the rear side of the fuselage, and a handling cylinder (6) for threshing the grain stalk supplied from the cutting unit (8) is provided in the cutting unit (8). )
An air cleaner (201) for supplying air to an engine (21) for driving the threshing unit (4); a pre-cleaner (203) for supplying air to the air cleaner (201); and a high position above the engine (21). Air supply pipe (202) which is provided upright and has a pre-cleaner (203) on the upper end side
The air supply pipe (202) is formed long so that outside air with little dust from high places can be taken into the precleaner (203) for harvesting and stored in the garage or loaded on the truck bed. When transporting by pre-cleaner, the pre-cleaner (203) and the air supply pipe (202) are stored low, the dust accumulation on the air cleaner (201) and the pre-cleaner (203) is reduced, and the proper dust removal function is connected for a long time. The trouble of causing the cleaner (203) to collide with a building or a tree branch is eliminated, and garage storage or truck transportation is performed.

Further, the pre-cleaner (203) and the air supply pipe (202) are folded toward the upper side of the rear grain tank (15), and the pre-cleaner (203) is folded down in a direction away from the worker during storage, so that the pre-cleaner (203) is folded. 203) eliminates the problem that the operator hits or gets caught in the hand, improves the undulating operability of the precleaner (203), etc., and installs the air supply pipe (202) and the grain tank (15) at approximately the same height. The air supply pipe (202) is formed into a grain tank (15).
The problem of colliding with the corners of the camera has been eliminated.

Further, an air cleaner (201) is disposed above the engine (21), and an air supply pipe (202) is erected up and down on the upper surface of a rear cover (200) for closing and closing the upper surface of the air cleaner (201). And the air cleaner (20) above the engine (21) via the rear cover (200).
1) and the pre-cleaner (203) are functionally arranged to simplify the mounting structure of the air supply pipe (202) and to simplify the connection structure of the cleaners (201) and (203). The air supply pipe (202) is connected by a bendable connection pipe (215), and the pre-cleaner (203) and the air supply pipe (202) are stored without separating the air supply pipe (202) from the air cleaner (201). The front cover (185) is provided in front of the rear cover (200) in which the air cleaner (201) is installed, while maintaining the connection between the air supply pipe (202) and the air supply pipe (202) properly. A front cover (185) separately from a rear cover (200) covering the engine (21).
The front cover (185) is opened and closed to open the engine (2).
1) The interior of the air cleaner (201) and the pre-cleaner (203) can be simplified by fixing the rear cover (200) in the closed position by performing internal maintenance and the like.

[0055]

As is apparent from the above embodiments, the present invention provides a cutting blade (9) for cutting the root of an uncut kernel and a transport mechanism for transporting the harvested kernel in a sideways posture. (1
0) is provided in the cutting section (8) on the front side of the fuselage, and the handling cylinder (6) for threshing the grain culm supplied from the cutting section (8).
In the combine provided in the threshing section (4) on the rear side of the fuselage, a front cover (185) is provided in front of a rear cover (200) in which an air cleaner (201) is installed, and a driver's seat ( 20), and attach the windshield case (18) to the outside of the front cover (185).
6), and the lower end of the air path case (186) is attached to the machine base (3) so as to be rotatable out of the machine around the fulcrum shaft (187), and the engine (21) is installed inside the machine. The driver's seat (20) is attached to the front cover (185) to be opened and the engine (21) is opened and closed by the rotation of the air path case (186), so that the mounting structure of the driver's seat (20) is simplified and the front cover (185) is mounted. ) Opening / closing operability can be easily improved.

In addition, outside air intake windows (193) and (194) are respectively formed on the inner and outer side surfaces on the upper end side of the air path case (186), and the dust removal air inside the air path case (186) is removed from the case (186) lower machine. It is configured to be sent out from the side to the engine (21), and the air path case (18)
6) Remove the outside air taken in from the windows (193) (194) on both sides of the high place and remove the engine (2) from the lower part of the case (186).
1), the engine (21) and the radiator (191) can be cooled by air with little dust.

A lid (189) is attached to the outer surface of the lower part of the air duct case (186) so as to be openable and closable. The air duct case (186) is opened from the windows (193) (194) on both upper sides.
When the dust that has entered inside falls under its own weight and accumulates in the lower part of the case (186), the dust in the lower part of the case (186) can be discharged simply by opening the lid (189).
6) The front of the radiator (191) provided inside the lower part can be cleaned.

Further, a cutting blade (9) for cutting the root of the uncut kernels and a transport mechanism (10) for transporting the harvested kernels while supporting the harvested kernels in a sideways position are provided by a cutting unit (8) on the front side of the machine body. ) And a handle (6) for threshing the grain culm supplied from the cutting unit (8) is provided in the threshing unit (4) on the rear side of the fuselage. ) The auxiliary raising case (132) is detachably attached to the front side, and the raising tine (23) of the raising case (24) has a structure for taking up the standing grain culm. When the animal is lying down, the auxiliary raising case (132) is attached, the raising tine is raised by the auxiliary raising tine (133), and is passed to the raising tine (23). Can be carried out by improper raising of the culm Those that can be easily obviates problems clog.

A cutting blade (9) for cutting the root of the uncut kernels and a transport mechanism (10) for transporting the harvested kernels while supporting the harvested kernels in a sideways posture are provided by a cutting unit (8) on the front side of the machine body. ) And a dustproof cover for covering the upper surface of the cutting unit (8) in a combine provided with a handling cylinder (6) for threshing the grain stem supplied from the cutting unit (8) in the threshing unit (4) on the rear side of the fuselage. (197), dust generated in the mowing part (8) can be easily prevented from moving toward the adjacent driver's seat (20) by the cover (197), and even when a large amount of dust is generated. The work can be done comfortably.

A cutting blade (9) for cutting the root of the uncut culm and a transport mechanism (10) for supporting the cut culm in a sideways posture and transporting the cut culm are arranged in a cutting section (8) on the front side of the machine body. ) And a handle (6) for threshing the grain culm supplied from the cutting unit (8) is provided in the threshing unit (4) on the rear side of the fuselage. ) With a tine chain (98) installed and raised tine (23)
And a tension adjusting bolt (113) is provided at the upper end of the raising case (24) to adjust the tension of the tine chain (98). The tension adjusting bolt (113) extends vertically. The bolt (113) can be easily connected to the tension adjusting spring (114) without being restricted by the left and right widths of the raising case (24).

A tension sprocket (99) for extending the tine chain (98) is pivotally supported on the tip of the tension arm (109), and the tension arm (10) is extended.
The tension spring (114) is further locked at the tip of 9), and the tine chain (98) can be maintained at a specified tension by a small tension spring (114) force against a large loosening force of the tine chain (98). The swinging of the tine chain (98) due to the pulling resistance force that easily changes in a regular manner can be easily prevented.

Further, the base end of the tension arm (109) is rotatably mounted around the axis of the drive sprocket (96) for extending the tine chain (98), and the tip end of the tension arm (109) is directed obliquely downward. By extending the tension arm (109) which keeps the tine chain (98) at a specified tension, the initial position is lowered, and when the tine chain (98) is extended by use, the tension arm (109) is raised. The tension adjustment range can be set large, and the tension adjustment bolt (113) can be compactly attached to the back of the raising case (24).

A cutting blade (9) for cutting the root of the uncut kernels and a transport mechanism (10) for transporting the harvested kernels while supporting the harvested kernels in a sideways posture are provided by a cutting unit (8) on the front side of the machine body. ), And a combiner provided with a handling cylinder (6) for threshing grain culm supplied from the cutting unit (8) in the threshing unit (4) on the rear side of the fuselage, wherein the cutting unit (8) and the threshing unit ( 4) An air cleaner (2) that supplies air to an engine (21) that drives the
01), a pre-cleaner (203) for supplying air to the air cleaner (201), and an engine (2).
1) Stand upright at an upper place and place a pre-cleaner (2
03) is provided so that the air supply pipe (202) provided therein can be housed freely. The air supply pipe (202) is formed to be long, and the outside air with little dust from high places is taken into the precleaner (203) for harvesting. Since the pre-cleaner (203) and the air supply pipe (202) are stored low when stored in a garage or transported on a truck bed, dust accumulation on the air cleaner (201) and the pre-cleaner (203) can be reduced. In addition, the proper dust removal function can be connected for a long time, and the trouble that the precleaner (203) collides with a building or a tree branch can be eliminated, and garage storage or truck transportation can be easily performed. is there.

Further, the pre-cleaner (203) and the air supply pipe (202) are configured to be folded on the upper side of the rear grain tank (15).
3) can fall down in the direction away from the worker,
The problem that the pre-cleaner (203) hits the worker or the hand is pinched can be easily eliminated, and the pre-cleaner (2) can be easily removed.
03) It is possible to easily improve the undulating operability.

Further, the air supply pipe (202) mounting surface and the upper surface of the grain tank (15) are formed at substantially the same height, and the air supply pipe (202) collides with a corner of the grain tank (15). The defect can be easily eliminated.

Further, an air cleaner (201) is disposed above the engine (21), and an air supply pipe (202) is erected up and down on the upper surface of a rear cover (200) that closes the upper side of the air cleaner (201). The air cleaner (201) and the pre-cleaner (203) can be functionally arranged above the engine (21) via the rear cover (200), so that the structure for attaching the air supply pipe (202) is simplified and each cleaner (201) is mounted. 201) (203) It is possible to easily simplify the connection structure and the like.

The air cleaner (201) and the air supply pipe (202) are connected by a bendable connecting pipe (215), and the pre-cleaner (202) is not separated from the air cleaner (201) without separating the air supply pipe (202). 203)
And the air supply pipe (202) can be stored, and the air cleaner (201) and the air supply pipe (202) can be properly connected and maintained.

A front cover (185) is provided in front of a rear cover (200) in which an air cleaner (201) is provided.
And the engine (21) is disposed inside each cover (185) (200). Since the front cover (185) is provided separately from the rear cover (200) covering the engine (21), the front cover (185) can be opened and closed to perform maintenance inside the engine (21), and the rear cover (200) can be fixed to the closed position to fix the air cleaner (20).
1) and the structure for mounting the precleaner (203) can be easily simplified.

The operation members (19a), (176), (1)
77) is provided to be offset to the right side of the upper surface of the front column (175), and the display members (19b) (19c) are provided to be offset to the left side of the upper surface of the front column (175).
The operator in the driver's seat (20) holds the lever (176) with his right hand.
(177) and the switch (19a) are easy to operate, and the operator easily checks the tachometer (19b) and the lamp group (19c) on the left side of the upper surface of the front column (175) while visually observing the cutting operation on the left side. In addition, the operator (21) can respond promptly to abnormal rotation or warnings.

Some lamps are turned on by turning on the power of the key switch (19a), and all the lamps are turned off when the engine (21) is started. The switch (19a) is turned on to prevent the battery from being discharged, and all the lamps are turned off by the operation of the engine (21), so that the operator can easily understand the proper operation state and the abnormality caused by the lighting of the lamps. You can do it.

[Brief description of the drawings]

FIG. 1 is an overall right side view of a combine.

FIG. 2 is a left side view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is an explanatory side view of the reaper.

FIG. 5 is an explanatory plan view of the same.

FIG. 6 is an explanatory side view of a threshing unit.

FIG. 7 is an enlarged explanatory view of the same.

FIG. 8 is a drive explanatory diagram.

FIG. 9 is a side view of the raising case portion.

FIG. 10 is a front view of the same.

FIG. 11 is an enlarged front view of the same.

FIG. 12 is an enlarged front view of the same.

FIG. 13 is an enlarged side view of the same.

FIG. 14 is an enlarged side view of the same.

FIG. 15 is an enlarged plan view of the same.

FIG. 16 is a plan view of a cutting blade part.

FIG. 17 is a partial side view of the same.

FIG. 18 is a side view of a traveling crawler unit.

FIG. 19 is a plan view of the same.

FIG. 20 is a front view of the engine unit.

FIG. 21 is a side view of the same.

FIG. 22 is a plan view of the raising case portion.

FIG. 23 is a side view of the air cleaner unit.

FIG. 24 is an enlarged view of FIG.

FIG. 25 is an enlarged view of FIG.

[Explanation of symbols]

(3) Machine stand (4) Threshing unit (6) Handling cylinder (8) Cutting unit (9) Cutting blade (10) Transport mechanism (15) Grain tank (19a) Key switch (operation member) (19b) Engine rotation Total (display member) (19c) Warning lamp group (display member) (20) Driver's seat (21) Engine (23) Raised tine (24) Raised case (96) Drive sprocket (98) Tyne chain (99) Tension sprocket (109) ) Tension arm (113) Tension adjustment bolt (114) Tension spring (132) Auxiliary raising case (176) (177) Side clutch lever (operation member) (185) Front cover (186) Air path case (187) Support shaft ( 189) Lid (193) (194) Outside air intake window (197) Dustproof cover (200) Rear cover (201) Air cleaner (202) Air supply pipe (203) Precleaner (215) Connecting pipe

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Ken Okumura 1-32 Chayacho, Kita-ku, Osaka Yanmar Agricultural Machinery Co., Ltd.

Claims (16)

[Claims] 1. A cutting blade for cutting a root of an uncut grain culm, and a transport mechanism for transporting the harvested grain culm while supporting the cropped crop in a sideways posture, are provided on a cutting section on the front side of the fuselage. In a combine where a handling cylinder for threshing the supplied culm is provided in the threshing section on the rear side of the fuselage, a front cover is provided in front of a rear cover in which an air cleaner is installed, a driver's seat is mounted on the front cover upper surface side, and a front cover is provided. A combine having an air passage case integrally connected to the outside of the machine, and a lower end of the air passage case attached to the machine base so as to be rotatable out of the machine around a fulcrum axis. 2. An outside air intake window is formed on each of the inner and outer sides of the upper end of the air duct case, and dust-removing air inside the air duct case is sent out from the inner side surface of the lower case toward the engine. The combine according to claim 1. 3. The combine according to claim 2, wherein a lid is attached to the outer surface of the lower part of the air duct case so as to be openable and closable. 4. A cutting blade for cutting a root of an uncut culm, and a transport mechanism for transporting the cut culm in a sideways posture while supporting the cut culm in a sideways posture, wherein the cutting unit is provided with a cutting mechanism. A combine which is provided with a handling cylinder for threshing a supplied culm in a threshing section on the rear side of the machine, wherein an auxiliary raising case is detachably attached to a front side of a raising case of a cutting section. 5. A cutting blade for cutting a root of an uncut culm and a transport mechanism for supporting the cut culm in a sideways posture and transporting the cut culm in a cutting position on the front side of the fuselage. A combine which is provided with a handling cylinder for threshing a supplied grain stalk in a threshing section on the rear side of the machine, wherein a dustproof cover for covering an upper surface of a cutting section is attached. 6. A cutting blade for cutting a root of an uncut culm, and a transport mechanism for transporting the cut culm in a sideways posture while supporting the cut culm in a sideways posture. In a combine that provides a handling cylinder for threshing the supplied culm in the threshing section on the rear side of the fuselage, a tine chain is installed inside the raising case of the cutting section and a raising tine is arranged, and a tension adjusting bolt is provided at the upper end of the raising case. The combine is provided to adjust the tension of the tine chain. 7. The combine according to claim 6, wherein a tension sprocket for extending the tine chain is pivotally supported at the tip of the tension arm, and a tension spring is locked at the tip of the tension arm. 8. A tension arm base end is rotatably mounted around an axis of a drive sprocket for extending a tine chain, and a tension arm tip side extends obliquely downward. Combine described in. 9. A cutting blade for cutting a root of an uncut grain culm, and a transport mechanism for transporting the cut culm in a sideways posture while supporting the cut culm in a sideways posture, wherein the cutting section is provided on the front side of the machine body. In a combine, in which a handling cylinder for threshing the supplied culm is provided in a threshing section on the rear side of the fuselage, an air cleaner for supplying the engine for driving the cutting section and the threshing section is provided, and a pre-cleaner for supplying air to the air cleaner is provided. A combiner, which is provided so as to be stowable so as to be stably installed at a high place above the engine and provided with a pre-cleaner at an upper end side. 10. The combine according to claim 9, wherein the pre-cleaner and the air supply pipe are configured to be folded toward the upper side of the grain tank at the rear. 11. The combine according to claim 10, wherein the air supply pipe mounting surface and the upper surface of the grain tank are formed at substantially the same height. 12. The combine according to claim 9, wherein an air cleaner is disposed above the engine, and an air supply pipe is erected up and down on an upper surface of a rear cover that closes an upper surface of the air cleaner. 13. The combine according to claim 9, wherein the air cleaner and the air supply pipe are connected by a bendable connection pipe. 14. The combine according to claim 9, wherein a front cover is provided in front of a rear cover in which the air cleaner is provided, and an engine is provided inside each cover. 15. A combine according to claim 1, wherein the operation member is provided to be offset to the right side of the upper surface of the front column, and the display member is provided to be offset to the left side of the upper surface of the front column. 16. The combine according to claim 15, wherein a part of the lamps is turned on by a power-on operation of a key switch, and all the lamps are turned off when the engine is started. .