JP2544392Y2 - 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, in the case of a combine as described above,
The grain culm vertical conveying member is made to follow the vertical and horizontal movement of the reaping unit, and the culm cut by the reaping unit is conveyed to the feed chain of the threshing unit.

[0003]

However, the following operation of the vertical conveying member of the cereal stem with respect to the left and right movement of the reaping section,
Since the feed end position of the vertical conveying member of the grain stalk with respect to the feed chain is displaced, there has been a problem that a poor inheritance of the grain stalk occurs in this portion.

[0004]

SUMMARY OF THE INVENTION However, the present invention provides a reaper.
The culm harvested in the threshing section to the feed chain in the threshing section
The culm vertical conveying member is moved to the rear
It is provided to be rotatable left and right about the shaft, and
The feeding member can be turned up and down around the horizontal axis connected to the vertical axis.
In the combine provided in the above, the grain culm vertical conveying member of the grain
The feed chain that overlaps with the culm transport side terminal end in side view
Steady work on the grain culm transfer surface at the beginning of the grain culm transport side
Sometimes the vertical axis is provided so as to intersect approximately at an angle in side view,
When turning the end of the culm transport side of the
Parallel to the grain culm transfer surface
The mowing part is moved left and right.
The vertical rotation of the grain culm
Grain stalk transport of culm vertical conveying member to the grain culm transfer surface of the chain
The height of the sending end can be prevented from changing, and
When moving to the moving end and when moving to the right moving end
Thus, the same grain stalk transport function can be obtained .

[0005] Further , it is substantially perpendicular to the horizontal axis in plan view.
The vertical movement of the grain culm vertical conveying member
By providing a moving depth adjustment member to move
Knots with less actuation force and shorter MV
The handling depth adjustment unit is more compact than before and
They can be formed at low cost .

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front sectional view of a cutting input unit, FIG. 2 is an overall side view of a combine, and FIG. 3 is a plan view of the combine input unit, where (1) is a track frame on which a traveling crawler (2) is mounted,
(3) a machine fixed to the track frame (1);
(4) a threshing unit in which a feed chain (5) is stretched to the left side and a handling cylinder (6) is built in; (7) is a two-row cutting unit including a cutting work member and a grain culm vertical conveying member; ) Is a straw processing unit that faces the end of the straw chain (9) connected to the end of the feed chain (5), (10) is an engine that drives each part of the combine, (11) is a fryer (12). Paddy tank for storing grains taken out from the threshing unit (4) via
(13) is a driver's cab provided with a driver's seat (14) and a driving operation unit (15), and is configured to thresh a grain culm cut by the cutting unit (7) in the threshing unit (4). .

As shown in FIGS. 4 to 6, the cutting section (7) includes a right and left raising case (18) having a raising tine (17) for raising an uncut grain culm taken 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 (which projects obliquely downward and forward from the front of the threshing section (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 which is slidably supported and which is a female screw penetrating through the main cutting frame (25) in the left and right support pipes (29) (30).
Are rotatably fitted, and 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 passing through the inner cylinder (34).

[0009] The weeding plate (16) is attached to the tip of each cutting frame (32), and the lower part of the left and right raising case (18) is fixed vertically to the middle of the left and right cutting frames (32). Supported by (36),
Left and right raising pipes (38) are erected and fixed to both ends of the slide frame (35) via left and right gear cases (37), and the left and right raising cases (39) at the upper ends of the left and right raising pipes (38). (18) The upper part is supported, and the right star wheel (19) and the scraping belt (2) are supported.
0) is supported by a squeeze drive case (40) incorporated in the middle of the right raising pipe (38), and the left star wheel (19) is
And a left scraping belt (20) is supported by a support arm (41) continuously provided in the middle of the left pulling pipe (38), and the cutting blade (21) is fixed to a cutting blade table (42) fixed to a horizontal connecting pipe. The reaping work members are mounted on the left and right reaping input cases (26) (2) by the expansion and contraction operation of the reaping lifting / lowering cylinder (43) mounted between the reaping main frame (25) and the machine base (3).
7) Ascend and descend to the fulcrum, and input case for right reaping (27)
The power of the engine (10) input to the cutting input pulley (44) at the end is transmitted to the drive gear (45) of the inner cylinder (34) through the right cutting input case (27) and the main cutting frame (25). Each cutting work member is configured to be moved left and right by a left and right sliding operation of a slide frame (35) by forward and reverse rotation driving of the inner cylinder (34).

A cutting output case (46) is rotatably mounted to the left and right of the left cutting input case (26) in an intermediate portion of the left cutting input case (26). A connecting pipe (48) is erected between the reaping work input case (47) to be incorporated, and the connecting pipe (48) is rotated left and right from the reaping output case (46) following the left and right movement of the reaping work member. The power of each mowing work member is transmitted from the mowing input pulley (44) to the mowing work input case (47) through the left and right mowing input cases (26) and (27), the mowing output case (46), and the connecting pipe (48). It is configured as follows.

The power input to the reaping work input case (47) in the middle part of the right raising pipe (38) is transmitted to each reaping work member, and the reaping work input case (47).
The power is distributed and transmitted through the right raising pipe (38) to the right raising driving case (39) and the scraping driving case (40), and the raising tine (17) of the right raising case (18) and the right star wheel (19) are transmitted. ) And the scraping belt (20) are driven, and the left star wheel (19) and the left scraping belt (2) are driven.
0) and the right gear case (3) from the squeeze drive case (40) through the right raising pipe (38).
Power is transmitted to 7), and the power of the cutting blade (21) is extracted from the right gear case (37) via the output shaft (49).
Also, slide frame (3) from right gear case (37).
Power is transmitted to the left gear case (37) through the inside of the left gear case (37), and the left raising pipe (3) is transmitted from the left gear case (37).
8) Power is transmitted to the left raising case (39) through the inside to drive the raising tine (17) of the left raising case (18).

By the way, the horizontal pipe (50) is located below the squeeze drive case (40) of the right raising pipe (38).
In addition, it is formed so as to hang down while swinging to the right side of the machine body via the gear case (51) so as not to interfere with the right star wheel (19) and the right scraping belt (20).

As shown in FIG. 1 and FIGS. 7 and 8, the cutting output case (46) includes a vertical axis (52), which is a left-right rotation axis of the grain culm vertical conveying member, and a cereal culm vertical conveying member. A horizontal axis (53), which is a vertical rotation axis, is integrally provided substantially at a right angle, and the cutting output case (46) is connected to the left cutting input case (26) through the vertical axis (52). (54) rotatably connected to the vertical transport chain (22) and the upper transport tine (23) at the feed end side via driving sprockets (54) and (55) and a sprocket shaft (56). A transport drive case (57) is provided, and the vertical transport drive case (57) is rotatably connected to the horizontal shaft (53) of the reaping output case (46) so as to follow up and down movement of the reaping work member to be integrated therewith. The vertical transport chain (22)
In addition to raising and lowering the feed start end side of the upper transport tine (23) to the left and right reaping input cases (26) and (27),
It is configured to follow the left and right movement of the reaping work member and to integrally move the feed start end of the vertical transport chain (22) and the upper transport tine (23) with the vertical axis (52) as a fulcrum. ing.

The vertical axis (52) is arranged so that the feed start end of the vertical transport chain (22) and the upper transport tine (23) is moved substantially horizontally to the left and right.
6) It is provided substantially at right angles to the front view with respect to the cutting section (7).
The vertical transfer chain (22) and the upper transfer tine (23) with respect to the scraping position of the cereal stem at the feed start end side are maintained at a constant height.

Further, during normal operation, the vertical axis (52)
Moves the feed end side of the vertical transport chain (22) in parallel with the grain culm transfer surface (5a) of the feed chain (5) at the feed start end of the feed chain (5). The feed chain (5) is provided at a substantially right angle when viewed from the side, and is configured to maintain a constant height of the grain culm transfer of the vertical transport chain (22) with respect to the grain culm transfer surface (5a) of the feed chain (5).

As shown in FIGS. 8 and 9, one end of a U-shaped pipe (59) is integrally connected to the vertical transport drive case (57) via a bracket (58), and the U-shaped pipe (5
The other end of 9) supports the vertical transport chain (22), and a handling depth adjusting motor (61) is fixedly mounted at an intermediate portion of the connecting pipe (48) via a bracket (60);
The distal end of a screw shaft (62), which is the rotation shaft of the motor (61), is rotatably supported on the distal end of a bearing arm (63) fixed to the connecting pipe (48), and the screw shaft (62) is connected to the horizontal shaft. A push-pull arm (65) is provided which extends in a direction substantially perpendicular to the shaft (53) in a plan view, and has one end rotatably connected to a nut body (64) screwed to the screw shaft (62). The other end of the push-pull arm (65) is rotatably connected to the tip of an operation arm (66) fixed to the intermediate portion of the U-shaped pipe (59), and the shaft (62) is rotated by rotation of the screw shaft (62). 62)
By moving the nut body (64) back and forth above, the vertical transport drive case (57) is moved through the push-pull arm (65) and the operation arm (66) and the U-shaped pipe (59) to the left and right reaping input case ( 26) By rotating the horizontal axis (53) offset with respect to (27) about the fulcrum, the vertical transport chain (2) is rotated.
2) Only the feed start end side of the upper transport tine (23) is moved up and down with respect to the left and right star wheels (19) and the scraping belt (20), and the length of the tip supplied to the handling room of the threshing unit (4) is substantially reduced. In order to adjust the handling depth to keep it constant, the center of the vertical rotation axis of the vertical conveying member is provided almost directly beside the grain culm receiving surface (5a) of the feed chain (5) in side view, so that the cutting work member and When the feed start end side of the vertical transport chain (22) is integrally moved up and down, the vertical transport chain (22) is moved in comparison with the prior art in which the vertical rotation axis of the vertical transport member is set on the vertical rotation axis of the cutting unit (7). The turning radius at the feed end side of the vertical transport chain (22) at the time of adjusting the handling depth is shorter than the turning radius at the feed end side of the feed chain, and the vertical transport of the feed chain (5) to the grain stem receiving surface (5a). The chain (22) is configured to reduce the height displacement on the feed end side.

As shown in FIG. 1, a pair of bevel gears (68) are attached to a horizontal transmission shaft (67) provided on the axis of the sprocket shaft (56) of the vertical transport drive case (57) in the horizontal shaft (53). (69) and a pair of bevel gears (71) on a vertical transmission shaft (70), which is a cutting work output shaft provided on the axis of the horizontal transmission shaft (67) within the vertical axis (52). (72), and the longitudinal transmission shaft (70) is provided on the shaft core in the left and right reaping input cases (26) and (27), and the reaping input pulley (44) is pivotally supported at one end. A pair of bevel gears (74) on the input shaft (73)
(75) and are linked so as to drive the vertical transport chain (22) and the upper transport tine (23).

As shown in FIG. 5 and FIGS. 7 to 10, the right raising pipe (38) also has a side surface with respect to the grain culm receiving surface (5a) of the feed chain (5) similarly to the longitudinal axis (52). The connecting pipe (48) is provided substantially in parallel with the grain culm receiving surface (5a) of the feed chain (5) in a side view, and is provided on the shaft core in the connecting pipe (48). The hexagonal transmission shaft (76) provided and the vertical transmission shaft (7
0) and the cutting work input shaft (77) provided on this shaft center in the right raising pipe (38) is provided at a substantially right angle in side view, and the vertical transmission shaft follows the lateral movement of the cutting work member. (7
The bevel gear (72), which is a constant-velocity shaft joint, can be obtained by rotating the transmission shaft (76) right and left around the center (0) without using a universal joint such as a universal joint.
By (71) and (78), the transmission between the vertical transmission shaft (70) and the transmission shaft (76) can be performed.

Also, a support pipe (79) is fixedly protruded from the reaping work input case (47) provided rotatably with respect to the right raising pipe (38).
9) The output side of the connecting pipe (48) is slidably fitted to the input pipe (48), and the transmission shaft (76) is slid only in this axial direction on the input bevel gear (78) provided in the cutting output case (46). A shaft cover (80), which is freely fitted and allows the input side end of the transmission shaft (76) to be inserted and removed freely, is integrally attached to the reaping output case (46), and linearly moves the reaping work member left and right. The connecting pipe (48) is expanded and contracted at this output side while following the above, while the transmission shaft (76) is expanded and contracted at this input side to adjust the lengths of the connecting pipe (48) and the transmission shaft (76). It is configured as follows.

As shown in FIGS. 11 and 12, a tip guide plate (81) for supporting a tip side of a grain culm transported by a vertical transport chain (22) and an upper transport tine (23) is provided, and the guide plate (81) is provided. 81) A bracket (8) is attached to the upper and lower sides of the case (23a) of the upper transport tine (23).
2) While being integrally connected via (83), the upper intermediate portion of the guide plate (81) is integrally connected to the middle of the U-shaped pipe (59) via a bracket (84), and the vertical transport chain (22) The guide plate (81) is moved right and left integrally with the upper transfer tine (23). The handling depth adjusting motor (61) and the screw shaft are provided in a space (85) on the back surface of the guide plate (81). (62) It is configured such that a handling depth adjusting member is disposed.

The present embodiment is constructed as described above. The left traveling crawler (2) does not step on uncut kernels.
The mowing part and the vertical conveying part of the mowing part (7) are positioned at the left slide end position to perform normal mowing work. During the middle splitting operation, the mowing part (7) is moved to the right slide end position. Sliding to prevent stepping on the uncut culm by the left and right traveling crawlers (2), and at the time of ridge cutting, sliding the cutting part (7) to the slide end position on the ridge side, so that the traveling crawler on the ridge side ( 2) is prevented from climbing on the ridge, and the cutting section (7) is slid left and right to adjust the uncut culm row.

[0022]

[Effects of the Invention] As is apparent from the above embodiment, in the present invention, the grain stalks cut off by the cutting section (7) are fed to the threshing section (4).
Grain culm vertical conveying member (22) to be conveyed to the card chain (5)
To the rear vertical axis (5) following the left and right movement of the reaper (7).
2) It is provided to be able to rotate left and right around the center, and
A horizontal axis in which a conveying member (22) is connected to the vertical axis (52).
Combine provided so that it can rotate up and down around (53)
And a cereal culm conveying side end portion of the cereal culm vertical conveying member (22).
Of the feed stalk of the feed chain (5) that overlaps with the side view
Regular work on the grain culm transfer surface (5a) at the beginning of the sending side
The vertical axis (52) may sometimes intersect at a substantially right angle in side view.
And the end portion of the grain stalk transport member (22) on the grain stalk transport side is provided.
At the time of turning left and right, the grain culm transfer surface of the feed chain (5)
(5a) is configured to be translated in side view.
The culm length that follows the left and right movement of the mowing part (7)
The feed chain is rotated by the right and left rotation of the conveying member (22).
(5) Grain stalk vertical conveying member for grain culm transfer surface (5a)
(22) Prevents the height of the end of the grain culm transport side from changing
When the mowing part (7) is moved to the left moving end,
To obtain the same grain stalk transport function as when moved to the moving end
Can be .

Further , the horizontal axis (53) is viewed in a plan view.
Applying the operating force in a direction substantially perpendicular to the grain culm vertical conveying member
(22) Up / down rotation of the handling depth adjusting member (61) (6)
2) The operation of the adjustment of the working depth is smaller by providing
Can be performed with force and with a shorter manipulated variable,
Handling depth adjustment unit is more compact and less expensive than before
It can be formed .

[Brief description of the drawings]

FIG. 1 is a front sectional view of a reaping input unit.

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

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

FIG. 4 is a front view of the reaper.

FIG. 5 is a side view of the cutting unit.

FIG. 6 is a plan view of a mowing unit.

FIG. 7 is a side view of a rotation fulcrum portion of the grain culm vertical conveying member.

FIG. 8 is a plan view of a rotation fulcrum portion of the grain culm vertical conveying member.

FIG. 9 is a side view of a handling depth adjusting unit.

FIG. 10 is a sectional view of a connecting pipe.

FIG. 11 is a plan view of a tip guide plate.

FIG. 12 is a front view of the tip guide plate.

[Explanation of symbols]

(4) Threshing section (5) Feed chain (5a) Grain culm receiving surface (7) Cutting section (22) Grain culm vertical conveying chain (Grain culm vertical conveying member) (52) Vertical axis (53) Horizontal axis (57) ) Vertical transport drive case (61) Handle depth adjustment motor (handle depth adjustment member) (62) Screw shaft (handle depth adjustment member)

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 55-75223 (JP, U) Japanese Utility Model Sho 56-96935 (JP, U) Japanese Utility Model Hei 4-21223 (JP, U)

Claims (2)

(57) [Scope of request for utility model registration] The culm cut in the cutting section (7) is threshed.
Grain stalk vertical transport unit that transports to the feed chain (5) of (4)
Following the left and right movement of the cutting unit (7), the lumber (22)
It is provided so as to be rotatable left and right around the vertical axis (52).
A vertical conveying member (22) is connected to the vertical axis (52).
Combination that can be turned up and down around the horizontal axis (53)
The grain culm transport side of the grain culm vertical transport member (22)
Of the feed chain (5) that overlaps with the end portion in side view.
It is fixed with respect to the grain culm transfer surface (5a) at the beginning of the grain culm transport side.
The vertical axis so as to intersect at a substantially right angle in side view during normal work
(52), the grain culm transport side of the grain culm vertical transport member (22)
The cereal stem of the feed chain (5) when the end portion is rotated left and right.
So as to translate in parallel with the joint surface (5a) in a side view.
Combine, characterized by being configured to. 2. The apparatus according to claim 1, wherein said horizontal axis is substantially straight in a plan view.
The cereal culm vertical conveying member (2
2) Up and down rotation of the handle depth adjustment member (61) (62)
Combine according to claim 1, characterized in that a.