JP2759444B2 - 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 cutting slide device having a cutting unit provided in front of a threshing machine.

[0002]

Conventionally, Japanese Utility Model Laid-Open No. 2-57 has been proposed.
As disclosed in Japanese Patent Publication No. 325, there is a technique for reciprocating the reaping unit left and right. However, the reaping unit needs to perform both the raising and lowering operation and the left and right reciprocating operation. In addition, when the cutting unit is supported at a low position and reciprocated right and left, there is a problem that the smooth operation of the sliding unit cannot be easily maintained.

[0003]

However, according to the present invention, a cutting section for cutting planted grain culm is provided so as to be reciprocally movable in the left-right direction of the body, and the grain culm cut by the cutting section is provided to a rear threshing section. In the combine to be transported, the left and right support pipes are fixed to the front of the cutting connection frame that raises and lowers the front end with the rear end as a fulcrum.
Female thread portion rotatably fitted in the support pipe
The outer cylinder that is the material and the slug that is the external thread member that passes through the outer cylinder
With a screw feed mechanism consisting of a slide frame
Fix the cutting frame rear side of the cutting section to the frame
By rotating the cylinder, the left and right support pipes on the fuselage side
The slide frame on the cutting section side moves in the left and right direction.
And at the outer end of the outer cylinder and at the left
Oil between the inner surface of the right support pipe and the outer surface of the slide frame
The left and right support pipes are provided at the front of the cutting connection frame that extends in the front-rear direction, and the pipes extend in the left and right direction, so that the machine-side cutting support structure can be constructed, The slicing section support structure for reciprocating left and right can be easily simplified, etc.
Be supported at a low position a reaper by flops and the slide frame, left and right support path by the use of the oil seal
The lubrication between the pipe and the outer cylinder and between the outer cylinder and the slide frame can be easily performed, and the smooth reciprocation of the slide frame from side to side can be easily maintained.

[0004]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a sectional view of the screw feed portion, FIG. 2 is an overall side view of the combine, and FIG. 3 is a plan view of the combine. In FIG. 1, (1) is a track frame on which a traveling crawler (2) is mounted, and (3) is A machine frame installed on the track frame (1), (4) a threshing unit that stretches a feed chain (5) to the left and incorporates a handling drum (6), and (7) a cutting blade and grain culm transport mechanism. (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) a paddy tank for storing grains to be taken out of the threshing unit (4) by facing the frying cylinder (12);
(13) is a driver's cab provided with a driver's seat (14) and a driving operation unit (15), which is configured to cut a grain culm in a cutting unit (7) and thresh the cut grain culm in a threshing unit (4). doing.

As shown in FIGS. 4 to 6, the cutting section (7) includes a left and right raising case (18) having a raising tine (17) for raising an uncut kernel that is taken in through a weeding plate (16). Left and right star wheels (19) and left and right scraping belts (2) that scrape the stem side and tip side of the raised grain stem.
0) and the reciprocating cutting blade (2
1), star wheel (19) and scraping belt (20)
A vertical transport chain (22) and an upper transport tine (23) for transporting and receiving 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 connection frame (2) projecting obliquely downward and forward from the front of the threshing unit (4) through a traveling mission (24) fixedly mounted at the front end of the machine base (3) and a left traveling crawler (2).
The cutting section (7) is supported in front of the threshing machine by a cutting frame (26) provided on the tip side of the connection frame (5).

On both sides of the upper end (threshing machine side) of the connecting frame (25), right and left mowing input cases (27) and (28) are fixed to protrude on the same axis in the lateral direction of the machine, and the mowing input case (27). 27) and (28) are rotatably supported by a receiving stand (29) which stands upright at the front end of the machine base (3), and a mowing cylinder () is provided between the connecting frame (25) and the machine base (3). 30), and the reaping input case (2)
7) The reaping unit (7) is configured to move up and down with the (28) as a fulcrum.

Further, left and right support pipes (31) and (32) are fixed to the lower end sides of the connecting frame (25) in parallel with the cutting input cases (27) and (28) on the same axis. (31) A guide frame (33) that is integrally connected in parallel with (32) is provided. The guide frame (33) supports the rear horizontal connecting pipe (34) of the cutting frame (26) so as to be slidable left and right.
The support pipe (3) is passed through the connecting frame (25).
1) A screw feed mechanism (37) comprising an outer cylinder (35), which is a female screw member rotatably fitted in (32), and a slide frame (36), which is a male screw member passed through the outer cylinder (35). ), The cutting frame (26) is integrally connected to the slide frame (36), and the cutting unit (7) is slid left and right by screw feed.

As shown in FIG. 1, a bevel gear (39) mounted on a cutting slide drive shaft (38) inserted into a connecting frame (25) meshes with a bevel gear (40) fixed on the outer periphery of the outer cylinder (35). And the outer cylinder (35)
A plurality of male balls (42), which are male screws attached to the outer periphery of the slide frame (36), are fitted to the screws (41) formed on the inner peripheral surface of the outer cylinder (35). Are rotated in the forward and reverse directions so that the slide frame (36) moves left or right without rotating.

As shown in FIGS. 1 and 7, the outer cylinder (3)
The outer cylinder (35) is divided into two so as to facilitate the internal thread processing for 5).
b) is subjected to internal thread processing, and the divided outer cylinder (35)
a) (35b) is integrally formed by welding.

As shown in FIGS. 1 and 8, the steel balls (4
2) an outer cylinder (35) which is provided at a substantially central portion of the slide frame (36) and at substantially equal intervals within one pitch of the female screw (41) and is formed to be approximately half the length of the slide frame (36). Fit the female screw (41) on the inner peripheral surface,
By moving the steel ball (42) from end to end in the axial direction of the slide frame (36) within 5), the full stroke of the mowing slide can be obtained with a screw feed distance of approximately half of the slide frame (36). It is composed.

As shown in FIGS. 1 and 9, the outer cylinder (3)
5) is a left and right support pipe (31) made of metal (43a)
(32) The slide frame (36) is rotatably fixed to the inner peripheral surface, and the slide frame (36) is slidably fitted to the inner peripheral surfaces of the left and right support pipes (31) and (32) by the metal (43b). (36) and left and right support pipes (3
1) and (32) are shielded by an oil seal (44).

As is apparent from the above, a cutting section (7) for cutting planted grain culms is provided so as to be reciprocally movable in the lateral direction of the body.
In the combine transporting the culm harvested by the reaping unit (7) to the rear threshing unit (4), the reaping connection frame (25), which raises and lowers the front end side with the rear end side as a fulcrum, supports left and right on the front part.
The pipes (31) and (32) are fixed, and the support pipe is fixed.
(31) A female screw member rotatably fitted in (32).
Outer cylinder (35) and a male screw passing through the outer cylinder (35)
Screw feed comprising a slide frame (36) as a member
Equipped with a mechanism (37), and mowing the slide frame (36)
The rear side of the cutting frame of the portion (7) is fixed, and the outer cylinder (3) is fixed.
5) By rotating, the left and right support pipes on the fuselage side
(31) (32) Slide frame on the mowing part (7) side
When the camera (36) is configured to move in the left-right direction,
In addition, the left and right support pads are provided outside the end of the outer cylinder (35).
Ip (31) (32) inner surface and slide frame (36)
An oil seal (44) between the outer surface provided, connecting the frame (25) lateral support path to the front cutting to extend in the longitudinal direction
The pipes (31) and (3)
2) is extended in the left-right direction to form a reaping support structure on the machine side. The reaping section (7) for raising and lowering and reciprocating left and right operations is simplified, and the left and right support pipes (31) ( Even if the mowing part (7) is supported at a low position by the slide frame (32) and the slide frame (36), the left and right support pipes (3 ) are used by using the oil seal (44).
1) between (32) and the outer cylinder (35) and the outer cylinder (35);
The lubrication between the slide frames (36) is performed so that the slide frame (36) can maintain a smooth left-right reciprocating operation.

As shown in FIGS. 10 and 11, the connection between the left and right support pipes (31) and (32) and the guide frame (33) is made by a bracket (45) projecting from the support pipes (31) and (32). A bracket (46) projecting from the guide frame (33) is integrally connected by a bolt (47).

As shown in FIG. 1, FIG. 10 and FIG. 12, lower left and right gear cases (50) and (51) are provided with left and right raising pipes (48) and (49) on the left and right sides of the rear horizontal connecting pipe (34). ) Are integrally connected by brackets (52) and (53), the slide frame (36) is suspended between the left and right gear cases (50) and (51), and both ends of the slide frame (36) are connected to the left and right gear cases (50).
The frame (51) is integrally connected to the left and right gear cases (50) and (51) by bolts (54) and (55), and the frame is used as an external thread member of the slide mechanism (37).

As shown in FIG. 4, the power of the engine (10) is input to the intermediate portion of the right raising pipe (49) from the left cutting input case (27) through the transmission pipe (56). The power is transmitted from the upper end of the right raising drive shaft (57) inserted into the right raising pipe (49) to the right raising case (18), from the middle portion to the right-side scraping portion, and the slide frame (36). ) To the mowing unit drive transmission shaft (5
8), and the right end of the transmission shaft (58) and the lower end of the right elevating drive shaft (57) are interlocked and connected via a pair of bevel gears (59) and (60) in the right gear case (51). , The left end of the transmission shaft (58) and the left pulling pipe (4
8) The lower end of the left raising drive shaft (61) inserted into the left gear case (50) is connected to a pair of bevel gears (62) and (63).
And the power is transmitted from the upper end of the left raising drive shaft (61) to the left raising case (18), and the external thread member of the screw feed mechanism (37) is also used as a transmission case. It is configured as follows.

As shown in FIG. 6, the cutting slide drive shaft (38) includes left and right cutting input cases (27) and (28).
Is connected to a cutting input shaft (64) to be inserted into the cutting input pulley (66) of the cutting input shaft (64) and transmitted to each cutting work unit. The mowing slide is performed by the power of the engine (10).

As shown in FIG. 10, a movable stopper (67) for sliding left is provided on a movable bracket (53) for integrally connecting the rear lateral connecting pipe (34) and the right gear case (51). A fixed bracket (4) for integrally connecting the (31) and the guide frame (33).
6) Fix the right slide fixed stopper (68)
A fixed bracket (46) for connecting the movable stopper (67) to the right support pipe (32) and the guide frame (33) at the stroke end on the left side of the cutting slide.
A movable bracket (52) for integrally connecting the rear lateral connecting pipe (34) and the left gear case (50) to the fixed stopper (68) at the right stroke end. ing.

As shown in FIG. 11, a sliding member (69) for facilitating sliding is provided between the guide frame (33) and the rear horizontal connecting frame (34). As shown in FIG. 12, the leftmost cutting frame (2
6) Extend the rear end of the rear side connecting frame (34) to the rear, and attach the rear end of the cutting frame (26) to the bracket (7).
0) through the left gear case (50).

This embodiment is constructed as described above, and the left traveling crawler (2) does not step on uncut kernels.
The mowing part (7) is positioned at the slide end position on the left side as shown by the solid line in FIG. 6 to perform a normal mowing operation. At the time of the middle splitting operation, the mowing part (7) 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 work, slide the cutting part (7) 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 (7).

[0020]

As is apparent from the above embodiments, in the present invention, a cutting unit (7) for cutting planted grain culms is provided so as to be reciprocally movable in the left-right direction of the body, and the cutting unit (7) cuts. In a combine transporting a culm to a rear threshing unit (4), a cutting connection frame (2) that raises and lowers a front end side with a rear end side as a fulcrum.
5) Fix the left and right support pipes (31) and (32) at the front.
And rotatably fit in the support pipes (31) and (32).
An outer cylinder (35) which is a female screw member to be fitted, and the outer cylinder
Slide frame (3) which is a male screw member to be passed through (35)
And 6) a screw feed mechanism (37).
Fix the rear side of the cutting frame of the cutting section (7) to the frame (36).
And by rotating the outer cylinder (35),
The reaping section on the left and right support pipes (31) and (32) on the body side
(7) Side slide frame (36) moves left and right
And an outer end of the outer cylinder (35).
Side and the inner surfaces of the left and right support pipes (31) and (32)
Oil seal (4) between the outer surface of the ride frame (36)
4) , the left and right support pipes (31) and (32) at the front of the cutting connection frame (25) extending in the front-rear direction.
And the pipes (31) and (32) are extended in the left-right direction to form the machine-side mowing support structure. And support pie
Even if the mowing part (7) is supported at a low position by the springs (31) (32) and the slide frame (36) , the oil
The left and right support pipes (31) (3)
2) between the outer cylinder (35) and the outer cylinder (35) and slide
The lubrication between the frames (36) can be easily performed, and the smooth left-right reciprocating operation of the slide frame (36) can be easily maintained.

[Brief description of the drawings]

FIG. 1 is a sectional view of a screw feed 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 an explanatory view for assembling a female screw member.

FIG. 8 is an explanatory view of mounting a male screw.

FIG. 9 is a partially enlarged cross-sectional view of a screw feed unit.

FIG. 10 is a plan view of a screw feed unit.

FIG. 11 is an explanatory diagram of connection between a screw feed unit and a guide frame.

FIG. 12 is an explanatory view of connection of a cutting frame to a screw feed unit.

[Explanation of symbols]

 (4) Threshing unit (7) Cutting unit (25) Cutting connection frame (26) Cutting frame (32) Support pipe (slide rail) (36) Slide frame (slide body) (44) Oil seal (sealant)

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) A01D 34/28 A01D 67/00

Claims (1)

(57) [Claims] 1. A cutting section (7) for cutting planted grain culm is provided so as to be reciprocally movable in the left-right direction of the machine body, and the culm cut by the cutting section (7) is transported to a rear threshing section (4). The right and left support pipes (31) and (32) are provided at the front of the cutting connection frame (25) which moves up and down the front end side with the rear end side as a fulcrum.
Is fixed and rotated in the support pipes (31) and (32).
An outer cylinder (35), which is a female screw member to be freely fitted, and
Slide frame which is a male screw member to be passed through the outer cylinder (35)
A screw feed mechanism (37) consisting of a
After the cutting frame of the cutting unit (7) on the id frame (36)
Side is fixed, and the outer cylinder (35) is rotated.
Reaping on the left and right support pipes (31) and (32)
The slide frame (36) on the part (7) side moves in the left-right direction.
And an end of the outer cylinder (35).
On the outside and the inner surfaces of the left and right support pipes (31) and (32)
Oil seal between slide frame (36) and outer surface
A combine comprising: (44) .