JP2544422Y2 - 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 in which a mowing part is provided in front of a threshing machine so as to be movable vertically and horizontally.

[0002]

2. Description of the Related Art Conventionally, Japanese Unexamined Utility Model Publication No. 63-173023 is known.
And Japanese Utility Model Laid-Open No. 63-145426,
The power of the reaping unit (engine output) is moved left and right by the reaping unit.
Power to move the mowing unit through the clutch
There was a technique to cut off .

[0003]

SUMMARY OF THE INVENTION The above prior art is related to a reaper.
Only one-way rotational power can be obtained
The reaper is moved left and right using an endless spiral shaft, etc.
To change direction only at the left and right moving ends of the reaper.
In addition, the clutch is disengaged at the right and left ends of the reaper with good timing.
Problem that cannot be easily stopped properly
There was .

[0004]

SUMMARY OF THE INVENTION However, the present invention provides a combiner in which a mowing part is provided in front of the threshing machine so as to be movable left and right.
Harvesting of the reaping section where the engine output is input
A cutting slur that extracts the power to move the cutting unit from side to side from the force axis
The idler shaft and the cutting input shaft oppose each other with free rotation
Left and right sliding bevel that always meshes with the slide shaft bevel gear
Between the gear and the bevel gear for sliding left and right on the cutting input shaft
To the left and right sliding bevel gears.
The detachable engagement shaft is supported to cut off the rotation of the cutting input shaft, and
Left and right sliding clutch that transmits to the cutting slide shaft
And the reaping unit moves to the left and right
Neutral to disengage the left and right sliding clutch when shifting to
With a return member, regardless of the left and right position of the mowing part
The reaper can be moved to any left or right at any time.
The right and left position adjustment can be easily performed, and the clutch can be returned to the off position in a timely manner by detecting the movement of the right and left ends of the reaping portion by the neutral return member, so that the reaping portion can be properly stopped at the left and right moving ends. is there.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a rear view of the cutting input unit, FIG. 2 is an overall side view of the combine, FIG. 3 is a plan view thereof, (1) is a track frame on which a traveling crawler (2) is mounted, and (3) is A machine stand fixed to the track frame (1), (4) is a threshing unit that stretches a feed chain (5) to the left side and has a built-in handling cylinder (6), and (7) is a mowing work member and a grain culm vertical. A double-row cutting unit provided with a conveying member, (8) a straw processing unit facing the end of a straw chain (9) connected to the end of the feed chain (5), and (10) driving each unit of the combine. An engine, (11) a paddy tank for storing grains taken out of the threshing unit (4) via a fryer (12), and (13) a driver's cab provided with a driver's seat (14) and a driving operation unit (15) And the threshing section (4) is configured to thresh the grain stalks cut by the cutting section (7). That.

As shown in FIGS. 4 to 6, the cutting section (7) is provided with a right and left raising case (18) having a raising tine (17) for raising an uncut culm culm which is taken in through a weeding board (16). ), The left and right star wheels (19) and left and right scraping belts (20) for scraping the stem side and the tip side of the raised grain stem, and a cutting blade (2) for cutting the stem side of the grain stem during scraping.
1) and the like, and the vertical transport for transporting the culm-side and spike-side of the two-row grain culm merging to the scraping side of the left and right star wheels (19) to the starting end of the feed chain (5). It includes a grain culm vertical conveying section such as a chain (22) and an upper conveying tine (23).

Also, a cutting main frame (see FIG. 1) which projects obliquely downward and forward from a front side of the threshing unit (4) through a space between a traveling mission (24) fixed to the front end of the machine base (3) and a left traveling crawler (2). Left and right reaping input cases (26) and (27), which are vertically rotating shafts of the reaping unit (7) on both sides of the upper end (threshing machine side) of the reaping main frame (25). Are protruded and fixed on the same axis, and the left and right mowing input cases (26) and (27) are rotatably supported by a receiving stand (28) which stands upright at the front end of the machine base (3). Left and right support pipes (29) and (30) are fixed to the lower ends of the frame (25) in parallel with the left and right reaping input cases (26) and (27) on the same axis.
A guide frame (31) for integrally connecting the support pipes (29) and (30) in parallel is provided, and the left and right and the rear lateral connection pipes (33) of the center cutting frame (32) are horizontally connected to the guide frame (31). An inner cylinder (34), which is a female screw that penetrates the reaping main frame (25) and is rotatably fitted into the support pipes (29) and (30), while being slidably supported, and the inner cylinder (34) ), The both ends of the rear horizontal connection pipe (33) are integrally connected to both ends of a slide frame (35) which is a male screw to be passed through.

The weeding board (16) is attached to the tip of each cutting frame (32)..., And the lower part of the left and right raising cases (18) and (18) is the left and right cutting frames (32).
(32) Left and right support pipes (36) to be erected and fixed in the middle
(36), and left and right raising pipes (38) and (38) are erected and fixed at both ends of the slide frame (35) via left and right gear cases (37) and (37). (38) The left-right raising case (18) is attached to the left-right raising driving case (39) (39) at the upper end.
(18) The upper part is supported, and the right star wheel (19)
And a raking belt (20) is supported by a raking drive case (40) incorporated in the middle of the right raising pipe (38), and the left star wheel (19) and the left raking belt (20) are connected to the left raising pipe (38). ) The cutting blade (21) is supported in the middle, the cutting blade (21) is attached to the horizontal connecting pipe (33), and the cutting and lifting cylinder (43) extends and contracts between the cutting main frame (25) and the machine base (3). The mowing unit (7) is moved up and down with the left and right mowing input cases (26) and (27) as fulcrums.
As shown in FIG. 7, the power of the engine (10) input to the cutting input pulley (44) at the end of the right cutting input case (27) is supplied to the right cutting input case (27) and the main cutting frame (25). To the drive gear (45) of the inner cylinder (34), and by moving the slide frame (35) left and right by the forward / reverse rotation of the inner cylinder (34), the mowing part (7) is moved left and right. Make up.

As shown in FIG. 8, a cutting output case (46) is attached to the intermediate portion of the left cutting input case (26) so as to be rotatable about a substantially vertical axis, and the cutting output case (46) is provided. A connecting pipe (48) is erected between the reaping work input case (47) incorporated in the middle part of the right raising pipe (38) and connected to the reaping output case (46) following the left and right movement of the reaping unit (7). By rotating the pipe (48) left and right, the power of the cutting unit (7) is transferred from the cutting input pulley (44) to the left and right cutting input cases (26) and (27), the cutting output case (46), and the connecting pipe (48). ) Is transmitted to the reaping work input case (47).

As shown in FIG. 8, the reaping output case (46) includes a vertical axis (52), which is a horizontal rotation axis of the vertical conveying member, and a vertical rotation axis of the vertical conveying member. A certain horizontal axis (53) is provided integrally at a substantially right angle and its vertical axis (5
2) The cutting output case (46) is rotatably connected to the bearing (26a) in the middle part of the left cutting input case (26) through the upper part of the vertical transfer chain (22) and the upper transfer tine (23). Drive sprocket at feed end side (54)
(55) and a vertical transport drive case (57) supported via a sprocket shaft (56), and the vertical transport drive case (57) is connected to the horizontal axis (5) of the cutting output case (46).
3) is connected rotatably about a substantially horizontal axis, and follows the lifting and lowering of the reaping unit (7), and the feed start end side of the vertical transport chain (22) and the upper transport tine (23) is integrated therewith. The horizontal axis (53) is moved up and down to the fulcrum, and the cutting starter (7) follows the left-right movement of the cutting section (7), and the feed start end side of the vertical transport chain (22) and the upper transport tine (23) is integrated therewith. (52) is configured to be moved left and right around the fulcrum.

The cutting input pulley (44) is supported on one end of a cutting input shaft (58) via a torque limiter (59), and the other end of the cutting input shaft (58) is connected to a cutting output case (46). ), The cutting slide shaft (60) connected to the drive gear (45) is inserted into the main cutting frame (25), and the bevel gears (61) (62) for sliding right and left. ) Is connected to the cutting slide shaft (60), and each bevel gear (61)
(62) is selectively engaged with the reaping input shaft (58) via a right-and-left sliding clutch (63) (64) of a claw clutch type. To the cutting input shaft (58) via the cutting slide shaft (60)
Are connected in the forward and reverse directions.

A fork shaft (65) for operating the clutches (63) and (64) is provided, and a clutch arm (66) is fixed to the shaft (65). As shown in FIG. A cutting slide lever (69) is attached to a side column (67) of the operation unit (15) via a fulcrum shaft (68) so as to be swingable in the front-rear direction, and left and right slide wires (70) (71) and a spring (72). (72)
A slide lever (69) is connected to the clutch arm (66) through the clutch arm (66).
Clutch (6) by a neutral spring (73) connected to the
3) The (64) is cut and held, the slide lever (69) is supported upright, and the springs (72) and (72) and the wire (7) are moved by moving the slide lever (69) left and right.
0) The clutch arm (66) and the fork shaft (65) are rotated via (71), and each clutch (63) is rotated.
(64) is selectively turned on, and the cutting slide shaft (60) is rotated forward or reverse through the cutting input shaft (58);
The mowing unit (7) is configured to slide to the left or right with respect to the threshing unit (4) by the driving force of the engine (10).

Further, as shown in FIGS. 1 and 8, a return arm (a neutral return member) for fixing a board (74) to the cutting output case (46) and disengaging the clutches (63) and (64). 75) is integrally connected to the substrate (74), and the bifurcated ends of the arms (75) form left and right regulating portions (75a) and (75b) between the regulating portions (75a) and (75b). The extending post (76) is formed integrally with the clutch arm (66), and just before the reaping portion (7) that slides and moves in the left-right direction reaches the left and right ends, the horizontal portion of the reaping output case (46) is provided. By rotation, the left regulating part (75a) or the right regulating part (75b) of the return arm (75) comes into contact with the support (76) to return the clutch arm (66) to the neutral position, and the left and right movement of the reaping part (7). The reaping unit (7) works in conjunction It was forced to cut the clutch (63) (64) when moving to the right end, and configured to stop the left and right ends of the reaper (7).

The present embodiment is constructed as described above, so that the left traveling crawler (2) does not step on uncut kernels.
The mowing part (7) is located at the slide end position on the left side, and performs normal mowing work.
Is slid to the right slide end position to prevent the left and right traveling crawlers (2) from stepping on the uncut culm, and the mowing part (7) is slid to the ridge side slide end position during the ridge cutting operation. In addition, the traveling crawler (2) on the ridge side is prevented from climbing on the ridge, and the cutting section (7) is slid left and right to perform alignment with the uncut kernel row.

FIG. 10 shows another embodiment, in which a linking rod (77) which can be extended and contracted is provided as a neutral return member instead of the return arm (75). Support shaft (78)
And one end of the rod (77), and the other end of the rod (77) is connected to the clutch arm (66) via a pin (79) and a long hole (80), and slides in the left-right direction. Immediately before the mowing part (7) to be moved reaches the left and right ends, the end of the long hole (80) of the rod (77) comes into contact with the pin (79) by the horizontal rotation of the mowing output case (46), and the clutch arm is moved. (66) is returned to the neutral position, and the left and right sliding clutches (63) and (64) are moved when the reaper (7) shifts to the left and right ends in conjunction with the left and right movement of the reaper (7), as in the previous embodiment. ) Is forcibly turned off, and the mowing part (7) is stopped at the left and right ends.

[0016]

[Effects of the Invention] As is apparent from the above embodiment, the present invention provides a mowing part (7) in front of the threshing machine so as to be movable left and right.
Engine (10) output
From the reaping input shaft (58) of the reaping unit (7) to be forcibly cut
(7) Cutting slide shaft to extract power to move left and right
(60) and a free-rotating shaft opposed to the cutting input shaft (58).
Temporarily engaged with the bevel gear of the supported cutting slide shaft (60)
Bevel gears (61) and (62) for sliding left and right, and sliding left and right
Input shaft (58) between the bevel gears (61) and (62)
Bevel gear for left and right sliding allowing only axial movement on top
(61) The engaging shaft is supported so as to be freely disengageable from (62), and the harvesting is performed.
The rotation of the power shaft (58) is cut off and the cutting
Right and left sliding clutch (63) transmitting to ride shaft (60)
(64) and the reaper in conjunction with the lateral movement of the reaper (7)
When (7) shifts to the left-right moving end, the left-right sliding
Neutral return member (75) for turning off the switches (63) and (64)
(77) is provided, and the right and left positions of the reaper (7) are
Regardless, move the mowing part (7) to any left or right at any time.
Can easily adjust the left and right position of the mowing part (7).
Since the right and left end movements of the reaping unit (7) are detected by the neutral return members (75) and (77), the clutches (63) and (64) are returned to the off state in a timely manner. Can be stopped accurately at the left and right moving ends.

[Brief description of the drawings]

FIG. 1 is a rear view of a cutting input unit.

FIG. 2 is a side view of the combine.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of the reaper.

FIG. 5 is a front view of the same.

FIG. 6 is a plan view of the same.

FIG. 7 is a drive system diagram.

FIG. 8 is a front view of a cutting input unit.

FIG. 9 is a side view of the cutting slide lever portion.

FIG. 10 is a rear view of a cutting input unit showing another embodiment.

[Explanation of symbols]

 (7) Cutting part (10) Engine (63) (64) Left and right sliding clutch (75) Return arm (neutral return member) (77) Linking rod (neutral return member)

Claims (1)

(57) [Scope of request for utility model registration] 1. A reaper (7) is moved right and left in front of a threshing machine.
In the movably mounted combine, the engine (1
0) The cutting input shaft (5) of the cutting unit (7) to which the output is input.
Cutting to extract the power to move the cutting unit (7) from side to side from 8)
Relative to the cutting slide shaft (60) and the cutting input shaft (58)
Beveling of the cutting slide shaft (60) supported by the free rotating shaft
Bevel gears (61) (62) for left and right sliding that always mesh with gears
And between the bevel gears for sliding left and right (61) and (62)
Sliding left and right, allowing only axial movement on the force axis (58)
Engagement shaft that can be freely disengaged from the bevel gears (61) and (62)
Supported to cut off the rotation of the cutting input shaft (58) and to rotate forward and reverse
Left and right sliding clutches that transmit freely to the cutting slide shaft (60)
Switches (63) and (64) and the horizontal movement of the reaper (7).
When the mowing part (7) moves to the left and right moving end
Neutral return to disengage left and right sliding clutches (63) (64)
A combine comprising: members (75) and (77) .