JP3287550B2 - 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 for continuously cutting and threshing grain culms.

[0002]

Heretofore, in this type of combine, there has been already known a combine in which a mowing part is slidably moved in the horizontal direction. The purpose of moving the mowing part laterally is to move the mowing part to the left side (non-cutting ground side) when performing round cutting work with the uncut side to the left, and to set the distance between the uncut grain culm and the traveling crawler. So that the crawler does not push down uncut culms by mud, and set the cutting section on the right side when performing middle splitting work, etc. The point is that the right uncut culm is not depressed. SUMMARY OF THE INVENTION It is an object of the present invention to simplify a peripheral structure of a transmission section from a traveling body to a cutting section in a horizontal sliding device of a cutting section.

[0003]

[Means for Solving the Problems] And Achieving the Object
Therefore, the present invention provides a reaper main frame at the front of the traveling body (3).
-Ascend around the horizontal axis (26) (27) through the
Grain stem raising member (18) and cutting blade (2)
1) slide relative to the traveling body (3) in the lateral direction
It is configured to be movable, and the horizontal axis (26)
The input shaft (73) is arranged on the same axis as (27),
From the input shaft (73) to the raising member (18) and the cutting blade (21).
Power transmission shaft (76) for transmitting power
At this time, the cutting power transmission shaft (76)
The cutting output case (46), which can be rotated left and right with respect to (27).
Around this vertical axis (70) through the provided vertical axis (70)
The cutting input shaft (73) is rotatably connected to the cutting input shaft (73).
In addition, the cutting output case (46) is provided with the vertical movement of the culm vertical conveying member.
The horizontal axis (53), which is the rotation axis, and the horizontal rotation axis of the grain culm vertical transport member
A vertical axis (52) is provided for the cutting output case (46).
A cylindrical member that is continuously provided and surrounds the reaping transmission shaft (76).
Which was equipped with a driving mechanism for vertically swinging the culms conveying member for conveying the threshing section the culms was reaped by the blade to (48) (61), slidable reaper from traveling vehicle body to the left and right This facilitates simplification of the structure around the transmission unit that transmits power to the unit.

[0004]

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 reaping input unit, and FIG.
Is a side view of the whole combine, and FIG. 3 is a plan view of the combine. In FIG. 3, (1) shows a truck frame on which a traveling crawler (2) is mounted.
(3) is a machine frame fixed to the truck frame (1)
(Traveling body) , (4) is a threshing unit which stretches a feed chain (5) to the left and has a built-in handling cylinder (6), and (7) is a two-row type equipped with a mowing work member and a grain culm vertical conveying member. (8) is a straw processing unit that faces the end of a straw chain (9) connected to the end of the feed chain (5), (10) is an engine that drives each unit of the combine, and (11) is an engine that drives each unit of the combine. Threshing unit (4) through a fryer (12)
Paddy tank for storing grains taken out of the plant, (13) is the driver's seat
This is a cab provided with (14) and an operation operation unit (15), and is configured to thresh a culm cut by the cutting unit (7) in the threshing unit (4).

[0005] As shown in FIGS. 4 to 6, the cutting section (7)
A left and right raising case (18) having a raising tine (17) for raising an uncut culm stem which is taken in through a weeding board (16).
A left and right star wheel (19) and a left and right scraping belt (20) for scraping the stem side and the tip side of the raised grain stem, and a cutting blade (21) for cutting the stem side of the grain stem during scraping. ), And transports the culm-side and spike-side of the two-row grain culm that joins the scraping side of the left and right star wheels (19) to the start end of the feed chain (5). It has a grain culm vertical conveying section such as a conveying chain (22) and an upper conveying tine (23).

[0006] Also, from the front side of the threshing unit (4), the machine base (3)
A traveling mission (24) fixed to the front end of the
A main frame (25) projecting obliquely downward and forward through the space between the two frames (2), and the upper side of the main frame (25) (threshing machine side) is horizontally cut in the lateral direction of the machine. Department
The horizontal axis ( left and right cutting input cases (26) and (27) ), which is the vertical rotation axis of (7), is projected and fixed on the same axis, and the left and right cutting input cases (26) and (27). ) Is rotatably supported by a receiving stand (28) which is erected and fixed to the front end of the machine base (3),
The left and right support pipes (29) (3) are parallel to the left and right cutting input cases (26) and (27) on both sides of the lower end of the cutting main frame (25).
0) is projected and fixed on the same axis, and its supporting pipe (2)
9) Guide frames (3) integrally connected in parallel with (30)
1), the guide frame (31) supports the rear lateral connecting pipe (33) of the right and left and central cutting frames (32) so as to be slidable left and right, and the right and left supporting pipes (29).
An inner cylinder (34), which is a female thread penetrating the cutting main frame (25), is rotatably fitted in the inner cylinder (30).
Both ends of the rear horizontal connecting pipe (33) are integrally connected to both ends of a slide frame (35), which is a male screw passing through.

[0007] The weeding board (16) is provided with each cutting frame.
The case (1) is attached to the tip of the
8) The lower part is supported by left and right support pipes (36), which are erected in the middle of the left and right cutting frames (32), and left and right gear cases (37) are provided at both ends of the slide frame (35). The left and right raising pipes (38) are erected and fixed via the left and right raising pipes (38), and the upper part of the left and right raising cases (18) is supported by the left and right raising driving case (39) at the upper end thereof. The foil (19) and the scraping belt (20) are supported by a scraping drive case (40) incorporated in the middle of the right raising pipe (38), and the left star wheel (19) and the left scraping belt ( 20) is supported by a support arm (41) connected to the middle of the left raising pipe (38), and the cutting blade (21) is fixed to the horizontal connection pipe.
(42) attached to the reaper main frame (25) and the machine base.
(3) Each of the mowing working members is moved to the left and right mowing input cases (26) (2) by the expansion and contraction operation of the mowing lift cylinder (43) interposed between them.
7) is moved up and down on the fulcrum, and the right cutting input case (27)
The engine (1) input to the reaping input pulley (44) at the end
The power of (0) 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), and the inner cylinder (34) is driven forward and reverse. The mowing member is moved left and right by the sliding movement of the slide frame (35) to the right and left.

A cutting output case (46) is attached to the middle part of the left cutting input case (26) so as to be rotatable left and right.
A connecting pipe is connected between the cutting output case (46) and the cutting operation input case (47) incorporated in the middle part of the right raising pipe (38).
(48) is installed, and the connecting pipe (48) is rotated left and right from the cutting output case (46) following the left and right movement of the cutting work member, so that the power of each cutting work member is input to the cutting input port. To the cutting work input case (47) through the inside of the left and right cutting input cases (26) and (27), the cutting output case (46) and the connecting pipe (48). Make up.

The power input to the reaping work input case (47) in the middle of the right raising pipe (38) is transmitted to each reaping work member, and the power is transmitted from the reaping work input case (47) to the right. Right raising drive case (39) through the raising pipe (38)
The power is distributed and transmitted to the rake drive case (40), and the raising tine (17) of the right raising case (18) and the right star wheel are transmitted.
(19) and the scraping belt (20), and drive the left star wheel.
(19) and the left scraping belt (20) are driven, and power is transmitted from the scraping drive case (40) to the right gear case (37) through the right raising pipe (38). The power of the cutting blade (21) is extracted from the gear case (37) via the output shaft (49), and the slide frame is extracted from the right gear case (37).
The power is transmitted to the left gear case (37) through the inside of the gear (35), and from the left gear case (37), the left raising pipe (38).
Power is transmitted to the left raising case (39) through the inside to drive the tines (17) of the left raising case (18).

The lower part of the right raising pipe (38) below the squeeze drive case (40) is suspended while swinging to the right side of the fuselage through a horizontal pipe (50) and a gear case (51). It is formed so as not to interfere with the right star wheel (19) and the right scraping belt (20).

As shown in FIGS. 1, 7 and 8, the cutting output case (46) includes a vertical axis (52), which is a left-right rotation axis of the vertical conveying member of the grain culm, and a vertical conveying of the grain culm. A horizontal axis (53), which is a vertical rotation axis of the member, is integrally provided substantially at a right angle, and its vertical axis is
The cutting output case (46) is connected to the left cutting input case via (52).
(26) rotatably communicates with a bearing (26a) in the middle part, and the vertical transport chain (22) and the upper transport tine.
A vertical transport drive case (57) for supporting the feed end side of (23) via drive sprockets (54) and (55) and a sprocket shaft (56) is provided, and the vertical transport drive case (57) is provided. It is rotatably connected to the horizontal shaft (53) of the reaping output case (46) and follows the vertical movement of the reaping work member so as to be integrated therewith with the vertical transport chain (22) and the upper transport tine (23). The upper and lower cutting input cases 26 and 27 are moved up and down with the fulcrum as the fulcrum, and the vertical conveying chain 22 and the upper conveying tine are integrally moved with the cutting work member.
The feed start end side of (23) is moved left and right with the vertical axis (52) as a fulcrum.

The vertical axis (52) is the vertical transport chain (2).
2) and a left-cutting input case (26) is provided substantially at right angles to the left cutting input case (26) in a front view so as to move the feed start end side of the upper transfer tine (23) horizontally and horizontally. The vertical transfer chain (22) and the upper transfer tine (23) with respect to the scraping position are configured so as to keep the grain culm inheriting height at the feed start end side constant.

Furthermore, the vertical axis (52) is a vertical transport chain.
(22) The feed end side of the feed chain (5) is moved in parallel with the grain culm transfer surface (5a) of the feed start end of the feed chain (5) so that the grain culm transfer surface (5a) is viewed from the side. , So as to maintain the height of the grain culm receiving of the vertical transport chain (22) with respect to the grain culm receiving surface (5a) of the feed chain (5) constant.

As shown in FIGS. 9 to 12, one end of a U-shaped pipe (59) is integrally connected to the vertical transport drive case (57) via a bracket (58). ), The vertical transport chain (22) is supported at the other end, and a handling depth adjusting motor (61) is fixedly mounted at an intermediate portion of the connecting pipe (48) via a bracket (60). The tip of a screw shaft (62), which is the rotating shaft of the rotor (61), is rotatably supported on the tip of a bearing arm (63) fixed to the connecting pipe (48), and the screw shaft (62) Is extended in a direction substantially perpendicular to the horizontal axis (53) with respect to the horizontal axis (53), and is screwed to the screw shaft (62).
Push-pull arm (65) for rotatably connecting one end to (64)
And the other end of the push-pull arm (65) is connected to the U-shaped pipe.
(59) is rotatably connected to the distal end of an operation arm (66) fixed to the intermediate portion, and this shaft is rotated by rotation of a screw shaft (62).
By moving the nut (64) back and forth on (62),
Push-pull arm (65), operation arm (66) and U-shaped pipe
The horizontal axis (53) for offsetting the vertical transport drive case (57) via the (59) with respect to the left and right cutting input cases (26) and (27).
Is rotated about the fulcrum, and only the feed start end side of the vertical transport chain (22) and the upper transport tine (23) is moved to the left and right star wheels (1).
9) and raising and lowering with respect to the scraping belt (20), and threshing unit
(4) Adjusting the handling depth to keep the tip length supplied into the handling room substantially constant. The feed chain (5) inherits the grain stalk from the vertical rotation axis center of the vertical transport member in side view. Because it is provided almost directly beside the surface (5a), the vertical transport chain is integrated with the mowing work member.
When raising and lowering the feed start end side of (22), the vertical transfer chain (22) is turned on the feed end side of the vertical transfer chain (22) as compared with the conventional case where the vertical rotation axis of the vertical transfer member is on the vertical rotation axis of the cutting unit (7). The turning radius at the feed end side of the vertical transport chain (22) when adjusting the handling depth is shorter than the moving radius, and the grain culm receiving surface (5a) of the feed chain (5) is reduced.
, The vertical displacement of the vertical transport chain (22) on the feed end side is reduced.

As shown in FIG. 1, the vertical transport drive case
A pair of bevel gears (68) are attached to a horizontal transmission shaft (67) provided on the shaft center of the sprocket shaft (56) of (57) within the horizontal shaft (53).
(69) and the horizontal transmission shaft (67)
(52), the bevel gears (71) and (72) corresponding to the vertical transmission shaft (70), which is a cutting work output shaft provided on the shaft core, are operatively connected to each other, and the vertical transmission shaft (70) is Input case
(26) Provide the cutting input pulley on this shaft center in (27).
(44) is connected to a cutting input shaft (73) that supports one end thereof via a pair of bevel gears (74) and (75) to drive the vertical transport chain (22) and the upper transport tine (23). Make up.

As shown in FIG. 5 and FIGS. 7 to 10, the right raising pipe (38) is also located on the grain culm receiving surface (5a) of the feed chain (5) similarly to the vertical axis (52). The connecting pipe (48) is provided substantially at a right angle in a side view, and the connecting pipe (48) is provided substantially parallel to the grain culm receiving surface (5a) of the feed chain (5) in a side view. A transmission shaft (76) having a hexagonal cross section, a vertical transmission shaft (70) and a right-raising pipe provided on the
In (38), the shaft angle with the reaping work shaft (77) provided on this shaft center is provided at a substantially right angle in side view, and is transmitted around the vertical transmission shaft (70) following the left and right movement of the reaping work member. By rotating the shaft (76) left and right, a bevel gear that is a constant velocity shaft coupling
According to (72), (71) and (78), the vertical transmission shaft (70) and the transmission shaft
(76).

Further, a support pipe (79) is fixedly protruded from the mowing work input case (47) provided rotatably with respect to the right raising pipe (38), and a connecting pipe is connected to the support pipe (79). The output side of (48) is slidably fitted,
Input bevel gear (78) installed in the reaping output case (46)
The cutting shaft is fitted with the transmission shaft (76) so as to be slidable only in this axial direction, and a shaft cover (80) for inserting the input side end of the transmission shaft (76) so as to be able to move in and out is mounted on the cutting output casing. The connecting pipe (48) is slid on the output side while the transmission shaft (76) is slid on the input side while the connecting pipe (48) is slid on the output side by following the linear movement of the reaping work member linearly to the left and right. The lengths of the connecting pipe (48) and the transmission shaft (76) are adjusted.

As is apparent from the above description, a cutting section (7) for cutting a grain stalk in front of a machine (3), which is a traveling machine, and a threshing section.
(4) is mounted on the fuselage (3), and the mowing part (7) is supported by the fuselage (3) so as to be movable left and right, and a transmission shaft which is a transmission member for transmitting power from the body (3) to the mowing part. (76) is disposed on the front side, and the grain culm cut by the cutting blade (21) is put into a threshing unit (4) by a connecting pipe (48) which is a tubular member surrounding the transmission shaft (76).
Vertical transport chain is grain稈縦conveying member for conveying the
(22) and a handling depth adjusting motor (61), which is a drive mechanism for vertically swinging the upper transfer tine (23), are mounted on the machine base (3).
The structure around the transmission part that transmits power to the reaping part (7) that can slide from side to side can be simplified.

As shown in FIGS. 11 and 12, a tip guide plate (81) for supporting the tip side of the grain culm transported by the vertical transport chain (22) and the upper transport tine (23) is provided, and the guide plate (81) is provided. 81) The upper and lower transport tine (23)
Of the vertical transport chain (22) and the upper transport tine.
The guide plate (81) is moved right and left integrally with the guide plate (81). A space (85) on the back side of the guide plate (81) is provided with the handling depth adjusting motor (61) and the screw shaft (62). ) And the like, and a handling depth adjusting member is arranged.

The present embodiment is configured as described above, left travel black - so as not to step on non-cutting culms by La (2), reaper the reaper working member and the vertical conveying member (7), A normal cutting operation is performed by positioning the cutting unit (7) to the slide end position on the right side while the middle cutting operation is being performed. Prevents stepping on the culm.
(7) is slid to the slide end position on the ridge side to prevent the traveling crawler (2) on the ridge side from climbing on the ridge, and by adjusting the left and right sliding of the mowing part (7), the uncut kernel culm. The collation for the columns is performed.

[0021]

As is apparent from the above embodiment, the present invention is characterized in that a mowing main frame (25) is provided at the front of a traveling body (3).
And move vertically around the horizontal axis (26) (27)
The tied grain stem raising member (18) and the cutting blade (21) are connected to the traveling machine
It is configured to be able to slide relative to the body (3) in the lateral direction.
And on the same axis as the left and right horizontal axes (26) and (27).
The reaping input shaft (73) is disposed on the reaping input shaft (73).
From the motor to the raising member (18) and the cutting blade (21).
The reaching reaping transmission shaft (76) is arranged in the front-rear direction,
The reaping transmission shaft (76) is aligned with the horizontal axis (26) (27)
It is provided on a reaping output case (46) that can be rotated left and right.
Pivotable about this longitudinal axis (70) via the longitudinal axis (70)
The reaping input shaft (73) is operatively connected to the reaping input shaft (73).
The horizontal case, which is the vertical rotation axis of the grain culm vertical conveying member, is attached to the force case (46).
Axis (53) and the vertical axis (5)
2) is provided and connected to the reaping output case (46).
A cereal culm conveying unit for conveying the cereal stalks cut by the cutting blade to the cylindrical member (48) surrounding the reaping transmission shaft (76) to the threshing unit
It is equipped with a drive mechanism (61) that swings the material up and down,
This facilitates simplification of the peripheral structure of the power transmitting portion for transmitting power from the traveling machine body (3) to the slidable cutting portion (7).

[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 plan view of a connecting pipe.

FIG. 11 is a plan view of a U-shaped pipe.

FIG. 12 is a front view of a U-shaped pipe.

[Explanation of symbols]

(3) machine base (vehicle body) (4) threshing section (18) grain稈引force member (21) cutting blade (22) longitudinal transport chain (grain稈縦conveying member) (23) upper conveying tines (grain稈縦( 25) Cutting main frame ( 26) Cutting input case (horizontal horizontal axis) (27) Cutting input case (horizontal horizontal axis) ( 46) Cutting output case (48) Connecting pipe (tube member) ( 52) Vertical axis ( 53) Horizontal axis (61) Motor (drive mechanism) ( 70) Vertical axis ( 73) Cutting input shaft (76) Cutting transmission shaft

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-283210 (JP, A) JP-A 64-23822 (JP, A) JP-A-3-54129 (JP, U) JP-A 63- 145426 (JP, U) Japanese Utility Model Showa 58-53523 (JP, U) Japanese Utility Model Showa 62-94732 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01D 34/28-69 / 12

Claims (1)

(57) [Claims] A reaper frame is provided at a front portion of a traveling body (3).
Up and down around the horizontal axis (26) and (27) through (25)
Move the stalk raising member (18) and the cutting blade (21) movably connected.
Sliding relative to the traveling body (3) in the lateral direction.
And the horizontal axis (26) (27)
The cutting input shaft (73) is arranged on the same axis,
From the force shaft (73) to the raising member (18) and the cutting blade (21)
Power transmission shaft (76) for transmitting power
At this time, the cutting power transmission shaft (76)
The cutting output case (46), which can be rotated left and right with respect to (27).
Around this vertical axis (70) via the provided vertical axis (70)
Is rotatably linked to the reaping input shaft (73),
In addition, the cutting output case (46) is provided with the vertical movement of the culm vertical conveying member.
The horizontal axis (53), which is the rotation axis, and the horizontal rotation axis of the grain culm vertical transport member
A vertical axis (52) is provided for the cutting output case (46).
A cylindrical member that is continuously provided and surrounds the reaping transmission shaft (76).
Combine, characterized in that the culms conveying member for conveying the threshing section the culms was reaped by the blade was fitted with a driving mechanism for vertically rocking (61) to (48).