JP2571789Y2 - 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 left and right.

[0002]

2. Description of the Related Art Conventionally, a cutting frame for mounting a grain stalk raising member, a grain stalk raking member, and a cutting blade at the tip of a cutting main frame protruding forward from a cutting input case horizontally extending in front of a threshing machine body is moved left and right. In addition to supporting freely, a sliding drive shaft is laid on the leading end of the cutting main frame, and power is transmitted to the sliding drive shaft from the cutting input case through the inside of the cutting main frame, and the cereal culm raising member and the cereal stalk Power to the cutting member and the cutting blade.

[0003]

The prior art described above has a structure in which a left and right sliding shaft is laid horizontally on the bottom of the mowing portion, and is easily bent and damaged due to interference with the ground or the like.

[0004]

According to the present invention, a grain stem raising member, a grain stem scraping member and a grain stem raising member are provided at the tip of a cutting main frame projecting forward from a cutting input case horizontally extending in the lateral direction in front of the threshing machine. In a combine supporting a cutting frame on which a cutting blade is mounted so as to be movable left and right, a transmission in which the shaft length between an output portion and an input portion is swingably connected to a cutting input shaft inserted into the cutting input case. A shaft ,
The transmission shaft is driven in the middle of a transmission path for transmitting power to the grain stem raising member, the grain stem scraping member, and the cutting blade that move left and right.
By connecting them and forming a transmission path to the grain stalk raising member, grain stalk raking member and cutting blade without passing through the cutting main frame, bending by interference with the ground It is possible to easily configure a transmission path that does not require the left and right sliding shafts, which are easily damaged, to be provided at the bottom of the mowing portion.

[0005]

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 view of the mowing part, FIG. 2 is an overall side view of the combine, and FIG. 3 is a plan view of the combiner, where (1) is a track frame on which a traveling crawler (2) is mounted, and (3) is the aforementioned. A machine stand fixed to the truck frame (1), (4) a threshing unit that stretches the feed chain (5) on the left side and has a built-in handling cylinder (6), and (7) is a vertical member for harvesting work members and grain culms. (8) is a straw processing unit that faces the end of a straw chain (9) connected to the end of the feed chain (5), and (10) is an engine that drives each unit of the combine. , (11) is a paddy tank for storing grains taken out from the threshing unit (4) via a fryer (12), and (13) is a driver's cab provided with a driver's seat (14) and a driving operation unit (15). Yes, the hulls cut in the cutting unit (7) are threshed in the threshing unit (4).

As shown in FIGS. 4 and 5, the cutting section (7) is provided with a right and left raising case (18) having a raising tine (17) for raising an uncut crop 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 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).

[0008] 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 between 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 on the intermediate portion of the left cutting input case (26) in the left and right directions. The cutting output case (46) and the middle portion of the right raising pipe (38) are attached to the cutting output case (46). 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 portion 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 drive case (39) and the scraping drive case (40), and the raising tine (17) and the right star wheel (19) of the right raising case (18) 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).

The lower part of the right raising pipe (38) below the squeeze drive case (40) is a horizontal pipe (50).
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 FIGS. 6 to 8, the cutting output case (46) has a vertical axis (52) which is a left-right rotation axis of the grain culm vertical conveying member and a vertical rotation of the grain culm vertical conveying member. A horizontal axis (53), which is an 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). , And the feed end side of the vertical transport chain (22) and the upper transport tine (23) is connected to a driving sprocket (5).
4) A vertical transport drive case (57) is provided to be supported via (55) and the sprocket shaft (56), and the vertical transport drive case (57) is rotated around the horizontal axis (53) of the cutting output case (46). The vertical transfer chain (22) and the feed start end of the upper transfer tine (23) are connected to the right and left cutting input cases (26) and (27) as fulcrums. And vertically follow the left and right movement of the reaping work member, and integrally move the feed start end of the vertical transfer chain (22) and the upper transfer tine (23) to the left and right with the vertical axis (52) as a fulcrum. It is configured to be.

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 driving 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. 6, 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 FIGS. 4 and 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.

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).
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 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) 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, so that 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.

[0021]

As is clear from the above embodiment, the present invention is characterized in that the cutting main frame (25) which projects forward from the cutting input case (26) (27) which extends laterally in front of the threshing machine, The combine input case (26) (26) in the combine which supports the cutting frame (32) to which the cereal stem raising member (18), the cereal stem raking members (19) (20), and the cutting blade (21) are mounted so as to be movable left and right. 27) The drive input shaft (73) to be inserted into
A transmission shaft (76) with a variable shaft length between the force section and the input section is provided.
The drive shaft (76) is drivingly connected in the middle of a transmission path for transmitting power to the grain stem raising member (18), the grain stem raking members (19) (20), and the cutting blade (21) that move left and right. I
The stalk raising member (18) is positioned above the cutting frame (25) without passing through the cutting main frame (25).
By configuring a transmission path to the grain stalk raking members (19) (20) and the cutting blade (21), a left and right sliding shaft that is easily bent and damaged by interference with the ground is provided at the bottom of the cutting unit (7). An unnecessary transmission path can be easily configured.

[Brief description of the drawings]

FIG. 1 is a front view of a reaper.

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

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

FIG. 4 is a side view of the reaper.

FIG. 5 is a plan view of a reaper.

FIG. 6 is a front sectional view of a cutting input 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 unit (7) Cutting unit (18) Raising case (grain stalk raising member) (19) Star wheel (grain stalk raking member) (20) Scraping belt (grain stalk raking member) (21) Cutting Blade (25) Cutting main frame (26) (27) Cutting input case (32) Cutting frame (73) Cutting input shaft (76) Transmission shaft

Claims (1)

(57) [Scope of request for utility model registration] 1. A culm raising member (18) and a cereal stalk scraper are attached to the tip of a reaping main frame (25) projecting forward from a reaping input case (26) (27) extending laterally in front of the threshing machine. In a combine supporting a cutting frame (32) for mounting members (19) (20) and a cutting blade (21) so as to be movable left and right, the cutting input case (26) (2)
7) Reaper input shaft to interpolate the (73) axial length between the input portion and the left and right pivotally drive coupling output unit is changed to the transmission shaft (76) is provided, the grain稈引force member for horizontal movement (1
8) and grain stem scraping members (19) (20) and cutting blades (2)
1) in the transmission path for transmitting power to the transmission shaft (7).
6) A combine which is driven and connected to 6) .