JP3314278B2 - Combine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Utility Model Application Laid- Open No. 63-112425 , a running belt for transmitting running driving force from an engine to a transmission case, and a cutting belt for transmitting cutting driving force from the transmission case to a cutting section are provided. A mowing uniaxial case is provided on a machine stand in front of the threshing unit via a mount,
Cutting from the cutting input pulley provided on the right side of the cutting single-axis case
There is a technique for transmitting a driving force to each section of the mowing section via a drive case of the section.

[0003]

The object of the invention is to be Solved by the prior art, left and right
The threshing unit is mounted on the machine on which the traveling crawler is
The cutting section is connected to the threshing section via the input case and drive case.
In a structure that can be moved up and down forward,
The drive case of the mowing unit and the transmission case are located between the rollers.
By shifting the position to the left and right,
The interference between the drive case and the transmission case
Can be prevented. Also, the drive is provided on the right end side of the reaping input case.
Extends in the front-back direction by connecting the rear end of the case
The center of the left and right width of the mowing part is attached to the front side of the drive case
Near can be connected. However, the cutting belt is replaced by a running belt.
The prior art provided on the left side in plan view is
Further right than the cutting input pulley provided on the right side of the force case
The running belt is stretched on the side, and the installation space for the running belt
To the right of the cutting input pulley by securing
The transmission case needs to be
Installation space for the output pulley of the engine that suspends the
The engine to the right with respect to the mission case
And the cutting width of the mowing part
The width of the left and right traveling crawlers is determined by
The load on the engine and transmission case to the right
The line crawler will bear a great deal and
Of the driver's seat and threshing section
Because the weight of the collected grains is loaded, the right and left
There is a problem that it is not easy to improve the lance and the wet field running performance .

[0004]

SUMMARY OF THE INVENTION The present invention has a traveling belt for transmitting traveling driving force from an engine to a transmission case, and a cutting belt for transmitting cutting driving force from the transmission case to a cutting unit. the mowing input case via a pedestal provided on the machine base, in a combine for transmitting the driving force to the reaper each section through the drive case portion reaper from the input pulley reaper provided on the right side of the mowing input case, the transmission case to the front of the engine the so arranged so stretched the traveling belt to these left, the transmission case and the reaper is stretched the reaper belt between the input pulley, aircraft right in a plan view than the running belt reaper input pulley <br / > The engine and the transmission case can be arranged on a straight line in the front-rear direction. The resulting set up input cases <br/> scan reaper rearward from the transmission case to give disposed a drive case of the reaper on opposite sides, the engine and transmission case by the structure provided in the fuselage near the center, left and right balance of the body and the resulting increase the longitudinal balance is obtained shall improve Shitsuden running performance.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. Figure 1 is a plan view of the lifting fulcrum cylindrical shaft portion of the section cutting, Figure 2 is a whole side view, FIG. 3 is a plan view of the same, in FIG. (1) is a track frame So設travel crawlers (2), (3) a machine base installed on the truck frame (1), (4) a threshing unit which stretches a feed chain (5) to the left side and incorporates a handling cylinder (6) and a processing cylinder (7); (8) is a cutting blade (9)
And a mowing unit including a grain culm transport mechanism (10), (1
1) is a hydraulic lifting cylinder that raises and lowers the cutting unit (8) via a lifting fulcrum cylinder shaft (12), and (13) is a straw chain (1).
4) A straw processing unit that faces the end, (15) a grain tank for carrying the grains from the threshing unit (4) through a fryer (16), and (17) a grain of the tank (15). A discharge auger for carrying out the grains outside the machine, (18) is an operation section (19)
A driver's cab provided with a driver's seat (20), and an engine (21) is provided below the driver's seat (20), and is configured to continuously cut and threat grain culms.

Further, as shown in FIGS. 4, 5 and 6, a transmission case (22) fixed to the front of the machine (3) is disposed in front of the engine (21), and drive sprockets are provided on both sides of the transmission case (22). (23) and the right and left traveling crawlers (2) are stretched and the engine (2)
1) Output pulley (24) and transmission case (22)
A traveling belt (27) is stretched between the input pulleys (25) through a traveling tension roller clutch (26);
The traveling drive force is transmitted to the transmission case (22) by the traveling belt (27), and a tension spring (29) is stretched through a support (28) that stands upright on the machine base (3). ), The clutch (26) is elastically pressed against the belt (27) to be tensioned.

Further, left and right mounts (30) and (31) for supporting the cutting unit (8) are fixed to the front upper surface of the machine base (3),
The horizontal fulcrum shaft (32) at the left end of the lifting / lowering fulcrum cylinder shaft (12) is rotatably supported on the left frame (30), and the right end of the cylinder shaft (12) is removably fitted to the right frame (31). Along with
The main beam (3) for interpolating the cutting drive shaft (33)
4) and the mowing part (8) through the transport shaft (36) through which the transport drive shaft (35) is inserted.
2) to raise and lower the mowing portion (8) about the cylindrical shaft (12), and rotate the mowing portion (8) substantially horizontally about the fulcrum shaft (32). ) Is horizontally rotated to the left of the machine body to open the front of the threshing unit (4) and the left side of the cab (18) to perform maintenance and the like of each unit. The cutting input pulley ( 3
7), and a transmission case (2
2) A cutting belt (40) is stretched between the cutting pulley (38) and the input pulley (37) via a cutting tension roller clutch (39), and the cutting section (8) is extended via the belt (40). ) It is configured to drive each unit.

Further, the bearing cylinder (4) is mounted on the machine base (3) behind the cylinder shaft (12) via the mounts (41) and (41).
2), a threshing input pulley (43) is provided on the right end of the cylinder (42), and a threshing tension roller clutch (3) is provided between the output pulley (24) of the engine (21) and the threshing input pulley (43). Threshing belt (45) via 44)
The threshing section (4) is driven via the belt (45). The running belt (27) is stretched forward on the left side of the engine (21) and the threshing belt (45) is stretched rearward. And the left side of the transmission case (22) and the traveling belt (2)
7) A cutting pulley (38) is arranged in between, and a right mount (31) is arranged close to the left side of the output pulley (24). They are crossed in plan view.

As is clear from the above, the engine (2
A traveling belt (27) for transmitting the driving power from the transmission case (1) to the transmission case (22), and a cutting belt (4) for transmitting the driving power from the transmission case (22) to the cutting unit (8).
0), and a raising / lowering fulcrum cylinder shaft (12), which is a cutting input case, is provided on the machine (3) in front of the threshing unit (4) via the gantry (30) (31). 12) From the cutting input pulley (37) provided on the right side of the cutting unit (8)
The transmission case (22) is arranged in front of the engine (21) in the combine for transmitting the driving force to each part of the mowing part (8) via the main beam (34), which is the driving case of the vehicle. (27), the transmission case (22) and the cutting input pulley
A cutting belt (40) is stretched between the traveling belt (37) and the cutting input pulley (37) is provided on the right side of the machine body in plan view with respect to the traveling belt (27). Then, the engine (21) and the transmission case (22) are arranged on a straight line in the front-rear direction,
The transmission case (2) is sandwiched between the traveling belt (27).
The main beam (34) is arranged on the side opposite to 2), and the engine (21) and the transmission case (22) are provided near the center of the fuselage. To improve the left-right balance and front-rear balance of the aircraft, improving wetland driving performance
Ru is.

Further, as shown in FIGS. 6, 7 and 8, a belt holding board (46) is fixedly mounted on the left side of the engine (21), and a lower bracket (47) is fixed to the board (46). Output pulley (24) Front running lower belt (27)
The lower bracket (47) is provided with a U-shaped lower fixed belt retainer (48) for supporting the lower frame (47), and the horizontal frame (49) which is substantially parallel to the belts (27) and (45) on the left side of the engine (21), Fixed to the base (46), and the upper bracket (50) is integrally fixed to the horizontal frame (49),
An output pulley (24), a round bar-shaped upper fixed belt retainer (51) supporting a front upper traveling belt (27), and a disk (52) supporting a threshing belt (45) at an upper rear side of the output pulley (24). ) Is provided on the upper bracket (50), and the upper and lower fixed belt pressers (48) and (51) limit the wave (dancing) of the traveling belt (27). The disk (52) and the fixed belt presser (53) surround the upper and left sides of the threshing belt (45).

A belt presser (5) is mounted on a bearing (49a) of the horizontal frame (49) via a fulcrum shaft (54).
5) Attach the base end rotatably back and forth, and set the output pulley (2
4) The rear and lower running belts (27) are pulled by pulleys (2).
4) Plate-shaped traveling belt presser (56) to prevent it from coming off
Threshing belt (45) at the lower rear side of the output pulley (24)
The bar-shaped and plate-shaped threshing belt retainers (57) and (58) for preventing the thrust from coming off the pulley (24) are integrally fixed to the end of the belt retainer (55), and the belt retainer (55) is attached. Arm (59) and the horizontal frame (4
9) Extend the front end into the open space in front of the right base (31),
A fixing arm (59) is detachably fixed to the horizontal frame (49) by bolts (60), and a belt presser (55) is detachably connected and fixed to the machine body via the horizontal frame (49). An action position for preventing the bolts (60) from coming off and coming close to the belts (27) and (45) by attaching and detaching the bolts (60); and the belts (27) and (45).
The belt retainer (55) is rotated to a non-operating position where the belt retainer (55) is moved away from the belt, and the belt (27) of the fixed belt retainers (48) and (51) is prevented from waving. The running belt retainer (56) is disposed close to the belt (27) to reduce the gap between the belt retainer (56).

Further, as shown in FIGS. 5, 6, and 9, a part of the transmission case (22) is projected to form a bearing portion (22a) of the input pulley (25), and the input pulley (2) is formed.
5) and the cutting pulley (38) are overlapped in a side view, and the front side of the cutting pulley (38) is brought close to the bearing portion (22a) so that the portion (22a) is also used as a belt presser. ) Is supported by a fulcrum shaft (62) of a tension arm (61).
The bracket (64) of the bracket (63) fixedly mounted on the shaft supports the bearing (64), and the cutting belt (4) at the upper rear side of the cutting pulley (38).
0), the fulcrum shaft (62) is disposed in proximity to the belt, and the fulcrum shaft (62) is also used as a belt retainer. The reaping belt (40) is disposed compactly by effectively utilizing the periphery of the transmission case (22). The lower rear mowing belt (4
The cutting belt holder (65) supporting the cutting belt (40) is fixed to the side of the transmission case (22) with bolts (66), and the cutting belt holder (65) is detached to remove and replace the cutting belt (40). Make up.

As shown in FIG. 1, the traveling belt (2) for transmitting the traveling driving force to the transmission case (22).
7) and a combine belt provided with a cutting belt (40) for transmitting a cutting driving force to the cutting unit (8), and a horizontal fulcrum shaft (32) for supporting the cutting unit (8) horizontally rotatably. A cutting belt (40) is disposed between the transmission case (22) and the traveling belt (27), and a cutting belt (40) located on the rightmost side of the cutting section (8).
At the front side of the tensioning mowing input pulley (37),
A tension spring (29) for the traveling belt (27) is provided at substantially the same height as that of (7), and is brought close to the outside of the horizontal rotation locus (67) of the cutting input pulley (37) about the horizontal fulcrum shaft (32). The upper end of the tension spring (29) is extended rightward in the fuselage, and is inclined rightward.
9), and a tension spring (29) is arranged substantially parallel to and close to the tangent of the horizontal rotation locus (67) of the cutting input pulley (37), and the tension spring (29) is attached to the cutting belt (40). (29) is configured to be oblique in plan view.

Further, as shown in FIGS. 10 and 11, a mowing lifting bracket (70) formed by a pair of substantially parallel fixed plates (68) (68) and a pair of substantially parallel movable plates (69) (69). The fixed plate (68) is integrally fixed to the receiving table (71) in the middle of the main beam (34), and the inclined upper ends of the fixed plate (68) and the movable plate (69) are rotated by the fixed pin (72). At the same time, a lifting cylinder (11) is connected to the track frame (1) via a support shaft (73), and a tip of a piston rod (74) of the cylinder (11) is connected to an intermediate portion of a movable plate (69). To the movable plate (69) through a pin (75).
6) The pin (75) is removably inserted through the piston rod (74) through the piston rod (74), and the pin (75) is fixed to the movable plate (69) by bolts (77), while the fixed plate (68) and the movable plate (68) are movable. Openings (78), (79) on the inclined lower end side of the plate (69)
A pin (80) is detachably inserted through the fixing plate (68).
The pin (80) is fixedly fastened to the bolt (81) with a fixing plate (68) and a movable plate (69) as shown in FIG.
Are alternately arranged in a staggered manner, and a bracket (70) is provided on the lower surface on the right side of the main beam (34).
The lifting cylinder (11) is disposed on the right side of the fuselage with respect to 4), and the lifting cylinder (11) is mounted on the center line in the front-rear direction passing through the position of the center of gravity of the reaper (8). The lifting cylinder (11) is located between the cutting input pulleys (37), the main beam (34) is separated from the cutting belt (40), and the lifting cylinder (1) is moved.
1) is configured to support the position of the center of gravity of the reaping unit (8).

[0015]

As is apparent from the above embodiments, the present invention provides a traveling belt (27) for transmitting a traveling driving force from the engine (21) to the transmission case (22), and a cutting section (8) from the transmission case (22). with reaper comprises a cutting belt (40) transmitting the driving force to), the threshing section (4) front of the machine frame (3) stand (30 on) (31) reaper input via
A force case (12) is provided, and a cutting input pulley (37) provided on the right side of the cutting input case (12) is connected to the cutting unit (8).
In a combine for transmitting a driving force to each part of the mowing part (8) via a drive case (34), a transmission case (22) is arranged in front of the engine (21), and the traveling belt (27) is stretched to the left of these. is set, the reaper is stretched the belt (40) between the input pulley reaper transmission case (22) (37), to the fuselage right in a plan view than the reaper running belt the input pulley (37) (27) The engine (21) and the transmission case (22) can be arranged on a straight line in the front-rear direction.
Across the reaper on the opposite side of the transmission case (22)
The drive case (34 ) of (8) can be arranged, and the engine (2)
1) and the transmission case (22) is provided near the center of the fuselage.
The input case (12) can be installed to improve the left-right balance and the front-back balance of the aircraft, and the wet field running performance
A shall can be improved.

[Brief description of the drawings]

FIG. 1 is a plan view of an elevating fulcrum cylindrical shaft part of a mowing part.

FIG. 2 is an overall side view.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of an engine output unit.

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

FIG. 6 is a plan view of FIG. 4;

FIG. 7 is an enlarged view of FIG. 4;

FIG. 8 is a rear view of the engine output pulley.

FIG. 9 is a front view of a mission case input pulley.

FIG. 10 is a side view of a lifting cylinder unit.

FIG. 11 is a rear view of the lifting bracket.

[Explanation of symbols]

(3) Machine stand (4) Threshing unit (8) Cutting unit (12) Elevating fulcrum cylinder shaft (cutting input case) (21) Engine (22) Transmission case (27) Running belt (30) (31) Mount (34) ) Main beam ( drive case of cutting unit ) (37) Cutting input pulley (40) Cutting belt

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-55-4214 (JP, A) JP-A-57-26513 (JP, A) Fully open Showa 53-23734 (JP, U) Really open show 60- 68944 (JP, U) Fully open sho 63-112425 (JP, U) Fully open sho 53-23734 (JP, U) Fully open sho 60-68944 (JP, U) (58) Fields investigated (Int. ⁷ , DB name) A01D 41/12-69/00 B62D 49/00

Claims (1)

(57) [Claims] A traveling belt (27) for transmitting traveling driving force from an engine (21) to a transmission case (22);
A mowing belt (40) for transmitting mowing driving force from the transmission case (22) to the mowing unit (8) is provided, and is mounted on the machine (3) in front of the threshing unit (4) via mounts (30) and (31). A reaping input case (12) is provided, and a reaping unit (8) is provided from a reaping input pulley (37) provided on the right side of the reaping input case (12) via a driving case (34) of the reaping unit (8).
In the combine for transmitting the driving force to each part, the transmission case (22) is arranged in front of the engine (21), and the traveling belt (27) is stretched to the left of these.
The transmission case (22) and the cutting input pulley (3)
Reaper is stretched the belt (40) between 7), reaper input pulley (37) a running belt (27) machine in plan view than
A combine provided on the right side of the body .