JPH09215429A - Dividing device of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a side divider of the combine harvester from deforming and breaking by interfering with a levee. SOLUTION: The combine which has side dividers 58 and 60 extended from the front left side of a mower part to the rear left part of a threshing machine body is provided with an arm 75 which supports the intermediate part between the side dividers 58 and 60 on the threshing machine body; and the quantity of outward projection of the side dividers 58 and 60 from the machine and their up/down position are varied by expanding and contracting, and swinging the arm 75 up and down, and at the intermediate part of the arm 75, a lock member 79 is provided which sets the length of the arm 75 variably.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine weeding device equipped with a cutting section in front of a threshing machine body.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Utility Model Registration No. 2514736, there has been a technique in which a left side divider of a combine can be stored.

[0003]

However, when performing a ridge work, the left side divider may interfere with the ridge and be deformed.

[0004]

SUMMARY OF THE INVENTION Therefore, according to the present invention, in a combine in which a side divider is stretched from the front left side of the reaping section to the left rear side of the threshing machine, an arm for supporting the middle part of the side divider on the threshing machine is provided. By extending and retracting and vertically swinging the arm, the amount of protrusion of the side divider to the outside of the machine and the vertical position are changed, and a lock member for setting the length of the arm to be extendable and retractable is provided in the middle portion of the arm. Even if the side divider interferes with the ridge during ridge work, the side divider can be rotated upward to ride on the ridge upper surface to prevent deformation of the side divider, and the side divider can be properly positioned by the lock member. I will get it.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. Figure 1 is a side view of the right side divider,
2 is a left side view of the whole combine, FIG. 3 is a right side view of the combine,
FIG. 4 is a plan view of the same. In FIG. 4, (1) is a track frame on which the left and right traveling crawlers (2) are mounted, (3) is a machine base fixed to the track frame (1), and (4) is a feed. A threshing section for suspending the chain (5) on the left side and incorporating a handling cylinder (6) and a processing cylinder (7), and (8) a mowing section for two articles provided with a mowing work member and a grain culm vertical conveying member, ( 9) is a straw chain (10) connected to the end of the feed chain (5)
The straw processing unit that faces the end of (11), (12) the engine that drives each unit of the combine, (13) stores the grains extracted from the threshing unit (4) via the fried cylinder (14). The paddy tank (15) is a driver's cab provided with a driver's seat (16) and a driving operation unit (17), and is configured such that the grain culm cut by the mowing unit (8) is threshed by the threshing unit (4). doing.

As shown in FIGS. 5 to 7, the reaping section (8) has left and right raising cases (20) having raising tines (19) for raising uncut grain culms which are taken in through the sward plate (18). ), Left and right star wheels (21) and left and right scraping belts (22) for scraping the culm side and tip side of the raised culm, and a cutting blade (2) for cutting the culm side of the culm when scratched.
3) and the like, and a vertical transfer chain (2) that transfers two rows of grain culms that join the scraping sides of the left and right star wheels (21) to the start end of the feed chain (5).
4) and a grain culm vertical conveying member such as an upper conveying tine (25).

[0007] Further, a reaper main frame (projected obliquely forward and downward) through a traveling mission (26) fixed to the front end of the machine stand (3) from the front side of the threshing section (4) and a left traveling crawler (2). 27), and the left and right reaping input cases (28) (29) (29) (29), which are the vertical rotation fulcrum shafts of the reaper (8), horizontally on the upper and lower sides (the threshing machine side) of the reaping main frame (27). ) Is projectingly fixed on the same axis, and the left and right reaping input cases (28) and (29) are rotatably supported by a cradle (30) that is vertically installed and fixed to the front end of the machine base (3), and Left and right support pipes (31) and (32) are protruded and fixed on both sides of the lower end of the reaping frame (27) in parallel with the left and right reaping input cases (28) and (29), and the support pipes (31) and (32) are fixed. ) Guide frame to be connected in parallel with (33) is provided, the rear transverse connecting pipe (35) together is slidably supported on the right and left frame (34) cutting into the guide frame (33),
The left and right support pipes (31) (32) are rotatably fitted with a female screw cylinder (36) penetrating the reaping main frame (27), and a slide frame (a male screw threaded through the female screw cylinder (36) ( 37) at both ends of the rear lateral connecting pipe (3
5) Connect both ends integrally.

A weeding frame (38) for attaching the weeding plate (18) to the tip is attached to the tip of each mowing frame (34), and the lower parts of the left and right raising cases (20) are left and right mowing frames (34). ) The left and right pull-up pipes (41) are vertically supported by the left and right support pipes (39), which are vertically fixed in the middle, and both ends of the slide frame (37) via the left and right gear cases (40). The upper part of the left and right pulling case (20) is supported by the left and right pulling drive case (42) at the upper end of the pulling up pipe (41), and the right star wheel (21) and the scraping belt (22) are connected to the middle part of the right pulling pipe (41). The left star wheel (21) and the left take-up belt (22) are supported by a take-up drive case (43) which is incorporated in the support arm (44) connected to the middle of the left pull-up pipe (41). The cutting blade (23) is attached to a cutting blade stand (45) fixedly mounted on the rear horizontal connecting pipe (35), and the cutting lift is provided between the cutting main frame (27) and the machine stand (3). By the expansion and contraction operation of the cylinder (46), each reaping work member is moved up and down with the left and right reaping input cases (28) and (29) as fulcrums, and is also input to the reaping input pulley (47) at the end of the right reaping input case (29). The power of the engine (12) is passed through the right reaping input case (29) and the main reaping frame (27) to drive the drive gear (4) of the female screw cylinder (36).
8), and by driving the female screw cylinder (36) in the forward and reverse directions, the slide frame (37) is screw-fed to slide left and right, and the respective mowing work members are slid left and right.

Further, a reaping output case (49) is rotatably attached to an intermediate portion of the left reaping input case (28) about a vertical axis (50), and the reaping output case (49) and the right pulling pipe ( 41) Install a telescopic transmission pipe (52) between the mowing work input case (51) to be installed in the middle part,
The power of each reaping work member is reaped by rotating the reaping output case (49) and the transmission pipe (52) left and right with the vertical axis (50) as a fulcrum following the right and left slides of the reaping work member. From (47) through the right and left reaping input cases (28) and (29), the reaping output case (49) and the transmission pipe (52), the reaping work input case (5
It is configured to be transmitted to 1).

Further, a grain culm vertical transport drive case (53) is rotatably attached to the left side of the reaping output case (49) around a horizontal axis (54), and an output shaft (55) of the drive case (53). A pair of upper and lower drive sprockets (56)
The vertical transfer chains (24) and the upper transfer tines (25) are supported at their terminal ends by (57) so that the vertical movement chains (24) and the upper transfer tines are integrated with the cutting work members. The starting end side of (25) is moved up and down with the left and right mowing input cases (28) and (29) as fulcrums, and is made to follow the left and right slides of the mowing work member so as to be integrated with the vertical conveying chain (24) and the upper conveying tines. The starting end side of (25) is configured to be moved left and right with the vertical axis (50) as a fulcrum.

As shown in FIGS. 2 to 4, the left and right side dividers (58) are provided in the reaping section (8) which is vertically movable and slidable left and right as described above.
(59) is provided.

Further, as shown in FIG. 9, an expandable arm (7) is provided which is provided with a left side divider (60) for stretching the left side of the threshing machine so as to project and support it from the front end on the left side of the machine.
5) The front end of the left side divider (60) of the fuselage is attached to the bracket (76) at the tip so as to be rotatable about the vertical axis.
A guide rail (7
The ring portion (78) at the rear end of the aircraft left side divider (60) is slidably fitted in 7). The base end of the arm (75) is connected to the airframe by the same structure as the vertical positioning mechanism of the right side divider (58) described later, and the arm (75) has a lock member (79) provided in the middle of the arm (75) for length. Is set to be flexible.

The left side divider (58) is expandable and contractible, the front end of which is attached to the left end weeding frame (38) so as to be rotatable about a vertical axis, and the rear end of which is the bracket (7).
6) is rotatably attached about a vertical axis and is connected to the front end side of the left side divider (60) of the fuselage, and the arm (7) of the side dividers (58) (60) connected on the left side of the fuselage.
The left and right positions are adjusted by the expansion and contraction operation of 5), and the arm (7
The vertical position adjustment of 5) is performed to adjust the vertical position.

On the other hand, the right side divider (59) has its front end supported by the right end weeding frame (38), extends from there to the diagonally right rear, and passes through the lower side of the cab (15) to the right traveling crawler (59). 2) while extending to the front surface of the right side divider (59), the free end or rear end of the right side divider (59) when the reaper (8) is located at the slide end position on the right side.
As shown in, when the right traveling crawler (2) is located closer to the right side of the threshing machine by projecting further to the right side of the right traveling crawler (2) and the reaper (8) is located at the slide end position on the left side, the right traveling crawler ( It is located in the vicinity of the right side surface of 2) and is configured to prevent the right running crawler (2) from stepping on the uncut grain culm even when the cutting unit (8) slides to the left or right.

The left end weeding frame (38) and the center weeding frame (38) have their rear ends at the left end cutting frame (3).
4) and the central mowing frame (34), the bracket on the side of the weeding frame (38) and the bracket on the side of the mowing frame (34) are joined by a vertical surface and connected by bolts. (38) and the right end mowing frame (34), as shown in FIGS. 1 and 8, the bracket (61) at the rear end of the right end weeding frame (38) and the bracket (62) at the front end of the right end mowing frame (34) are placed on a horizontal plane. Are joined together and connected by bolts (63).

An L-shaped pin (64) is fixed to the upper surface of the intermediate portion of the right end weeding frame (38), and the front end of the right side divider (59) is connected to the pin (6) through a boss (65).
The horizontal side shaft portion (64a) of 4) is rotatably supported so that the right side divider (59) can be rotated up and down.

Further, a positioning plate (67) having an arc-shaped long hole (66) is vertically installed and fixed on the upper surface of the rear end of the bracket (61) of the right end weeding frame (38) and the right side divider (59). ) An arm (68) protruding from the intermediate portion to the rear surface side of the positioning plate (67) is provided, and two bolt shafts (70) (71) are fixed to the tip of the arm (68) via a bracket (69). Then, the bolt shaft (70) on the tip side is penetrated to the front side of the positioning plate (67) and the nut (72) is used to prevent the bolt shaft (71) from passing through the long hole (66) and the positioning plate. (67) An adjusting nut (74) is attached to a bolt shaft (71) projecting to the front side of the positioning plate (67), and a spring (73) which penetrates the front side of the positioning plate (67) and elastically joins the bracket (69) to the positioning plate (67). Attached via the bracket Preparative (69) and positioning plate (67)
The right side divider (59) is held at each rotational position by friction with the right side divider (59).
It is configured to rotate up and down within the range of 6).

The present embodiment is constructed as described above, so that the left traveling crawler (2) does not step on the uncut culm.
The reaping unit (8) is positioned at the left slide end position (solid line position in FIG. 6) to perform normal reaping work. During the middle cutting work, the reaper (8) is moved to the right slide end position (see FIG. 4, the solid line position in FIG. 7 and the phantom line position in FIG. 6) to prevent the left and right traveling crawlers (2) from stepping on the uncut grain culm, and at the time of the ridge cutting work, the mowing section (8) is removed. Slide to the slide end position on the ridge side to prevent the traveling crawler (2) on the ridge side from riding on the ridge, and adjust the left and right slides of the reaper (8) to align the uncut grain culm row. I am trying.

Here, as shown in FIG. 7, the right side divider (59) is extended to the front of the right traveling crawler (2) by lowering it to a height that does not hinder the driver's cab (15). When the reaping section (8) is slid to the right during the ridge work with the ridge (A), the right side divider (59) is deformed by hitting the ridge (A) at the same height, but the right side divider (59) is deformed. When 59) hits the ridge, it rotates upward and rides on the upper surface of the ridge (A) so that it does not deform. When the rider rides on the upper surface of the ridge (A), the right side divider (59) is held at that height, but when the turning section (8) is raised when turning at the end of the ridge (A), the right side divider (59) is held. The right side divider (59) can automatically return to the normal rotation position (height) by the divider (59) contacting the lower surface of the cab (15) and rotating downward.

Similarly to the right side divider, the left side dividers (58) and (60) also rotate upward when they hit the ridge (A) and ride on the upper surface of the ridge (A) so that they are not deformed.

[0021]

As is apparent from the above embodiments, the present invention is a combiner in which side dividers (58) (60) are stretched from the front left side of the mowing section (8) to the left rear side of the threshing machine. (58) (60) An arm (75) for supporting the intermediate part of the threshing machine body is provided, and the side divider (58) (60) is projected and extended to the outside of the machine by the expansion and contraction and vertical swing of this arm (75). A lock member (7) for changing the position and for setting the length of the arm (75) to extend and retract in the middle part of the arm (75).
9) is provided so that the side divider (5
8) Even if (60) interferes with the ridge, the side divider is rotated upward to ride on the upper surface of the ridge, so that the side divider can be prevented from being deformed and the lock member (79) can properly prevent the side divider (58). ) (60) can be positioned.

[Brief description of the drawings]

FIG. 1 is a side view of a right side divider section.

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

FIG. 3 is an overall right side view of the combine.

FIG. 4 is a plan view of the combine.

FIG. 5 is a side view of the reaper.

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

FIG. 7 is a front view of a reaping unit.

FIG. 8 is a plan view of the right side divider section.

FIG. 9 is a plan view of a left side divider section.

[Explanation of symbols]

 (8) Mowing part (58) (60) Left side divider (75) Arm (79) Lock member

Claims (1)

[Claims] 1. A combine combine wherein side dividers (58) (60) are stretched from the front left side of the reaping section (8) to the rear side left side of the threshing machine body, wherein the side dividers (58) (6)
0) An arm (75) for supporting the intermediate part on the threshing machine is provided, and the extension amount and the vertical position of the side dividers (58) (60) to the outside of the machine are changed by expanding and contracting and vertically swinging the arm (75). A combine weeding device is also provided with a lock member (79) for extending and contracting the length of the arm (75) in the middle of the arm (75).