JP2948202B2 - Combine harvester - 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 in which a mowing part is slidably provided in the front of a threshing machine.

[0002]

2. Description of the Related Art Conventionally, the power of a mowing work system is transmitted from a mowing input shaft of a mowing section to each mowing work member through a mowing main frame.

[0003]

The prior art described above has a problem that the transmission path of the reaping work system cannot be easily formed because the left and right slide mechanism of the reaping unit is interposed between the main reaping frame and each reaping work member. Was.

[0004]

According to the present invention, there is provided a combine harvester in which a motive power of a reaping work system of a reaper is used as a drive source for sliding the reaper to the left and right with respect to the machine body. A power take-out shaft for taking out the power of the mowing work system and a slide drive shaft for taking out the power of the slide system are separately driven and connected to the mowing input shaft of the mowing unit, and the transmission path of the mowing work system and the transmission path of the slide system are set as described above. A transmission shaft is formed directly from the input shaft, and a transmission shaft for transmitting the power of the reaping work system is provided on the rear side of the right raising case at the front of the reaping unit from the power extraction shaft, and power is transmitted from the transmission shaft on the right of the reaping unit. And a cutting blade drive mechanism for driving the cutting blade on the left side of the cutting unit.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a drive system diagram of the mowing unit, FIG. 2 is an overall side view of the combine, FIG. 3 is a plan view of the combiner, (1) is a track frame on which a traveling crawler (2) is mounted, and (3) is The machine frame (4) is installed on the track frame (1), and the feed chain (5) is stretched to the left to handle the cylinder (6), the processing cylinder (6a), the swing sorter (7), and the kara (8) ), A threshing section (9) is a two-row cutting section including a cutting blade and a grain culm transport mechanism, and (10) is an end of a straw chain (11) connected to an end of a feed chain (5). (12) is an engine that drives each part of the combine, (13) is a paddy tank that faces a fryer (14) and stores grains extracted from the threshing unit (4), (15) Is the driver's seat (16) and the driving operation unit (17)
A cab equipped with a stalk, the stalk is cut by the cutting unit (9),
The harvested culm is configured to be threshed in the threshing unit (4).

As shown in FIGS. 1, 4 and 5, the cutting section (9) includes a right and left raising case having a raising tine (19) for raising an uncut kernel taken through a weeding plate (18). (20), the left and right star wheels (21) and the left and right scraping belts (22) for scraping the stem side and the tip side of the raised grain stem, and a cutting blade for cutting the stem side of the grain stem during scraping. (2
3), star wheel (21) and scraping belt (22)
Cutting work such as a vertical transfer chain (24) and an upper transfer tine (25) that transfer and inherit the culm side and spike side of the two-row grain culm that merges with the scraping side of the feed chain to the feed start end of the feed chain (5) A cutting main frame (26) including a member and projecting obliquely downward and forward from a front of a threshing unit (4) and between a traveling mission (57) fixed to the front end of the machine base (3) and a left traveling crawler (2). The cutting section (9) is supported in front of the threshing machine by a cutting frame (27) provided on the tip side of the cutting main frame (26).

On both sides of the upper end (threshing machine side) of the reaping main frame (26), right and left reaping input cases (28) and (29) are protruded and fixed on the same axis in the lateral direction of the machine. (28) The (29) is rotatably supported by a receiving stand (30) which stands upright at the front end of the machine (3), and the mowing elevates between the cutting main frame (26) and the machine (3). It is configured such that the cylinder (31) is interposed, and the reaping section (9) is raised and lowered with the reaping input cases (28) and (29) as fulcrums.

Further, left and right support pipes (32) and (33) are fixed to the both sides of the lower end of the main cutting frame (26) in parallel with the cutting input cases (28) and (29) on the same axis. A guide frame (34) is integrally connected in parallel with the pipes (32) and (33). The guide frame (34) supports the rear horizontal connecting pipe (27a) of the cutting frame (27) so as to be slidable left and right. An inner cylinder (35), which is a female thread penetrating the cutting main frame (26), is rotatably fitted in the support pipes (32), (33), and a slide frame is a male screw passing through the inner cylinder (35). Both ends of (36) and the rear horizontal connecting pipe (27
Both ends of (a) are integrally connected, and the mowing part (9) is slid left and right by non-rotating left and right sliding of the slide frame (36) by rotation of the inner cylinder (35).

As shown in FIG. 6, the cutting input case (2)
8) At (29), a mowing input shaft (37) penetrating the mowing main frame (26) is interpolated, and pulleys (39) (40) are attached to an output shaft (38) of the engine (12) as shown in FIG. )
And a belt (41) and a threshing clutch (42) to drive and connect the Karamin shaft (43).
The input shaft (48) of the transmission gear case (47) is drivingly connected to the transmission gear case (47) via the pulleys (44) and (45) and the belt (46).
The cutting input shaft (37) is drivingly connected to 9) via pulleys (50) and (51), a belt (52) and a cutting clutch (53).

The output shaft (38) of the engine (12)
Is connected to an input shaft (58) of a traveling transmission (57) via pulleys (54) and (55) and a belt (56), and a drive sprocket (58) of a feed chain (5) is connected to a transmission gear case (47). ) Is provided, and the other parts of the threshing section (4) are provided with an input shaft (4) of a transmission gear case (47).
8) Power is transmitted.

As shown in FIGS. 1 and 6, the engine (1
2) The vertical transfer, which is a power take-out shaft of a mowing work system, via bevel gears (60) and (61) to the left end side of the mowing input shaft (37) where power is input from the mowing input pulley (51) at the right end. While drivingly connecting the left and right rotation support shaft (62),
A bevel gear (63) is attached to the vertical conveyance left and right rotation support shaft (62).
The drive shaft (65) of the vertical transport chain (24) is drivingly connected to the drive sprocket (6) of the vertical transport chain (24).
6) and a sprocket shaft (68) for driving a driving sprocket (67) of the upper transfer tine (25) through the bevel gears (69) and (70) to the vertical transfer vertical rotation support shaft (6).
5) is drive-coupled.

Also, the cutting output shaft (72) is connected to the vertical conveyance vertical rotation support shaft (65) via bevel gears (64) and (71).
And the right output drive shaft (75) is connected to the cutting output shaft (72) via bevel gears (73) and (74).
And a sprocket shaft (77) for driving a driving sprocket (76) of the right raising tine (19) is connected to the right raising driving shaft (7) via bevel gears (78) and (79).
5) is drive-coupled.

A drive shaft (82) for the right star wheel (21) and the right scraping belt (22) is drivingly connected to the right raising drive shaft (75) via bevel gears (80) and (81). Bevel gear (81) on drive shaft (82)
A cutting shaft drive shaft (86) for driving a crank rod (85), which is a cutting blade drive mechanism for reciprocating the cutting blade (23), is connected to the bevel gear (87) by drivingly connecting the counter shaft (84) via (83). (88) The counter shaft (84)
Drive connection.

Further, the slide frame (3) is connected to the cutting blade drive shaft (86) via bevel gears (89) and (90).
6) is driven and connected, and the bevel gears (92) (9) are connected to the counter shaft (91).
The drive shaft (94) of the left raising tine (94) is drivingly connected via 3), and the sprocket shaft (96) for driving the driving sprocket (95) of the left raising tine (19) is connected to the bevel gears (97) (9).
8) and is drivingly connected to the left pulling drive shaft (94).

As shown in FIGS. 1, 5 and 6, at the intermediate portion of the cutting input shaft (37), the cutting unit (9) is slid left and right above the power extraction position of each cutting work member. A sliding direction switching clutch (99) for taking out the power of the engine (12) is provided. The sliding direction switching clutch (99) is rotatably supported on the cutting input shaft (37) and has a fixed claw (100). Left slide bevel gear (101) and right slide bevel gear (102)
And the bevel gears (101) and (102) for each slide.
A clutch wheel (104) provided with a movable claw (103) which is slidably supported on a spline of the cutting input shaft (37) between the cutting input shaft (37) and meshes with a fixed claw (100) of each slide bevel gear (101) (102). ), A shifter (105) that slides the clutch wheel (104) left and right, and a slide bevel gear (106) that always meshes with each slide bevel gear (101) (102). 106) is engaged with the upper end of a slide drive shaft (107) that passes through the reaping main frame (26), and the bevel gear (1) is mounted on the lower end of the slide drive shaft (107).
08) The inner cylinder (35) is drivingly connected via (109), the clutch wheel (104) is slid left or right, and the movable pawl (103) is moved to the left sliding bevel gear (10).
By engaging the fixed claw (100) of 1) or the fixed claw (100) of the bevel gear (102) for right slide,
The rotation direction transmitted to the inner cylinder (35) is switched, and the sliding direction of the reaper (9) is switched to the left or right.

As shown in FIGS. 8 and 9, the shifter (105) of the sliding direction switching clutch (99) is attached to a lid plate (110) provided detachably at the upper end opening of the main cutting frame (26). , A slide direction switching lever and a wire (111) (1) disposed in the operation section (17).
12), the operation system of the slide direction switching clutch (99) is integrally assembled and removed in an assembled state.

In the drawing, (113) is a shift shaft rotatably inserted into a boss (114) penetrating and fixed to the cover plate (110), and (115) is a shift shaft (11).
3) a shift fork fixed to the tip of the shift fork to lock the tip end side to the clutch wheel (104); (116) a shift shaft (113) having an intermediate portion engaged with a base end thereof and a wire ( The clutch operating arm (111) is connected to the clutch operating arm (116), and the end (117) of the clutch operating arm (116) is brought into contact with the operating rod (118) integrally connected to the clutch operating arm (116) to hold the clutch operating arm (116) at the neutral position. This is a neutral holding spring.

The present embodiment is constructed as described above, so that the left traveling crawler (2) does not step on the uncut culm.
The mowing part (9) is positioned at the slide end position on the left side as shown by the solid line in FIG. 5 to perform normal mowing work. At the time of the middle split work, the mowing part (9) is shown by a virtual line in FIG. Slide to the right slide end position to prevent stepping on the uncut culm by the left and right traveling crawlers (2), and at the time of ridge cutting, slide the cutting part (9) to the slide end position on the ridge side. The traveling crawler (2) on the ridge side is prevented from riding on the ridge, and the cutting of the uncut kernel row is performed by adjusting the left and right sliding of the cutting unit (9).

FIGS. 10 and 11 show a modification of the sliding direction switching clutch (99) of the mowing part (9). The clutch (119) of FIG. 10 is a left sliding bevel gear (10).
1) The transmission between the clutch wheel (104) and the transmission between the right slide bevel gear (102) and the clutch wheel (104) are provided by friction provided on each slide bevel gear (101) (102) and the clutch wheel (104). The clutch (1) is operated by friction of the plates (120) and (121).
In the case of 19), each bevel gear for slide (101) (1)
02), the sliding speed of the reaper (9) can be adjusted by increasing or decreasing the pressing force of the clutch wheel (104) with respect to the clutch (104). Alternatively, it is possible to prevent an impact (reaction force) from being transmitted to the hand at the time of overload. On the other hand, the clutch (122) shown in FIG. 11 is provided with a sliding friction disk (123) slidably supported on a spline of the cutting input shaft (37), and the sliding friction disk (123) is connected to the slide drive shaft (123). 107) is pressed against the upper surface of a driving friction disk (124) that is axially supported on the upper end of the driving friction disk (124), and the spherical neutral recess ( 125), and by sliding the sliding friction disk (123) to the left or right side of the neutral recess (125), the sliding direction of the cutting unit (9) is switched to the left or right. In some cases, the sliding friction disk (12
3) The sliding speed of the cutting unit (9) can be adjusted by moving the cutting unit (9) closer to or away from the neutral recess (125), and the cutting input shaft (37) is directly driven by the friction of the friction disks (123) and (124). Since the power is transmitted between the motor and the slide drive shaft (107), it is possible to prevent an impact from being transmitted to the hand as in the case of the clutch (119), and it is possible to reduce the number of parts and make the device compact.

[0020]

As is apparent from the above embodiment, the present invention provides the power of the mowing work system of the mowing part (9) by the mowing part (9).
Harvester for a combine harvester having a drive source that slides left and right with respect to the body of the machine, in which the power of a harvesting work system is taken out to a harvesting input shaft (37) of a harvester (9) to which power of an engine (12) is transmitted. The shaft (62) and the slide drive shaft (107) for taking out the power of the slide system are separately driven and connected, and the transmission path of the reaping work system and the transmission path of the slide system are directly formed separately from the input shaft (37). Right raising case (20) in front of mowing part (9) from power take-out shaft (62)
A transmission shaft (72) for transmitting the power of the reaping work system is provided on the rear side, and the transmission shaft (72) is provided on the right side of the reaper (9).
Power is transmitted from the cutting blade (23) on the left side of the cutting unit (9).
By providing a cutting blade drive mechanism (85) for driving the
The transmission path of the reaping work system can be easily formed.

[Brief description of the drawings]

FIG. 1 is a drive system diagram of a mowing unit.

FIG. 2 is an overall side view of the combine.

FIG. 3 is an overall plan view of the combine.

FIG. 4 is an explanatory side view of a mowing unit.

FIG. 5 is an explanatory plan view of a reaper.

FIG. 6 is an explanatory cross-sectional view of a cutting input unit.

FIG. 7 is a drive system diagram of a threshing unit.

FIG. 8 is an explanatory side view of an operation unit of the sliding direction switching clutch.

FIG. 9 is an explanatory rear view of an operation unit of the sliding direction switching clutch.

FIG. 10 is an explanatory view showing a modification of the sliding direction switching clutch.

FIG. 11 is an explanatory view showing a modification of the sliding direction switching clutch.

[Explanation of symbols]

 (9) Cutting unit (12) Engine (20) Right raising case (23) Cutting blade (37) Cutting input shaft (62) Vertical transport left and right rotating support shaft (power take-out shaft) (72) Cutting output shaft (transmission shaft) (85) Crank rod (cutting blade drive mechanism) (107) Slide drive shaft

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Makoto Yabuki 428 Enami, Okayama City, Okayama Prefecture Inside of Sayrei Industry Co., Ltd. (56) References Japanese Utility Model 1988-173623 (JP, U) (58) Field (Int.Cl. ⁶ , DB name) A01D 34/28 A01D 34/30

Claims (1)

(57) [Claims] A combine harvester in which a motive power of a reaping work system of a reaper (9) is driven to slide the reaper (9) left and right with respect to the body of the combine harvester.
2) The cutting input shaft (3) of the cutting unit (9) to which power is transmitted.
7) The power take-out shaft (62) for taking out the power of the mowing work system and the slide drive shaft (107) for taking out the power of the slide system are separately driven and connected, and the transmission path of the mowing work system and the transmission path of the slide system are set as described above. Divided directly from the input shaft (37),
A power transmission shaft (72) for transmitting the power of the mowing work system is provided on the rear side of the right raising case (20) in front of the mowing portion (9) from the power take-out shaft (62). A combine harvester, wherein a power is transmitted from a transmission shaft (72) and a cutting blade drive mechanism (85) for driving the cutting blade (23) on the left side of the cutting unit (9) is provided.