JPH07308114A - Reaping device for combine harvester - Google Patents

Abstract

PURPOSE:To provide a reaping device for a combine harvester capable of reducing the sliding load and providing right and left sliding functions even to a reaping part for reaping three or more rows by connecting a reaping frame to the lower end of a reaping connection pipe so as to enable the free right and left sliding and holding a grain culm raising up part in front of the reaping part so as to enable the rotation at a specific position. CONSTITUTION:This reaping device for a combine harvester is obtained by connecting a reaping frame 42 to the lower end of a reaping connection pipe 29 extending from the vertical rotating fulcral shaft 31 of a reaping part 7 obliquely downward so as to enable the free right and left sliding, holding a grain culm raising up part 18 in front of the reaping part so as to enable the rotation about the shaft center of a vertical shaft 53 above the reaping and sliding fulcral part with the right and left sliding of the reaping frame 42 and more preferably fixing a reaping harness for feeding electricity to electrical equipment of the reaping part 7 in a rotating frame 56.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine harvester for threshing a grain culm harvested by a harvesting section at a threshing section.

[0002]

2. Description of the Related Art Conventionally, there have been those in which the entire cutting unit is slid to the left or right or rotated in parallel with the parallel link, but the cutting unit is intended for two-row cutting.

[0003]

The above-mentioned prior art is limited to a two-row mowing part because of insufficient rigidity of a holding structure for holding the mowing part so that it can be slid to the left or right.
Therefore, an object of the present invention is to provide a combine harvester that can properly hold the harvester and slide it to the left and right even when the weight of the harvester is three or more.

[0004]

DISCLOSURE OF THE INVENTION However, the combine harvester of the present invention has a harvesting frame slidably connected to the lower end of a harvesting connecting pipe extending obliquely downward from a vertically rotating fulcrum shaft of a harvesting section, The front of the reaping unit is characterized in that the grain culm raising unit is rotatably held by the vertical axis above the reaping slide fulcrum with the left and right sliding of the reaping frame.

[0005]

[Operation] Since the combine harvesting device of the present invention rotatably retains a position far away from the slide fulcrum of the harvesting unit, the lack of rigidity of the holding structure can be eliminated, and a harvesting unit with three or more cuts can be used. Also becomes possible to give the right and left slide function.

[0006] Further, since the reaping part for sliding left and right is held by the rotating part, there is little bending of each part when sliding left and right, and further, there is no need for a rigid detent structure at the slide fulcrum part, and the weight of the reaping part. Supports the rotating part to reduce the diameter of the slide fulcrum, and the slicing slide fulcrum can be formed compactly to prevent catching of the transported grain culms and eliminate the entanglement of straw debris and the adhesion of mud Can be reduced and the reaper can be slid left and right smoothly with a small amount of power.

A mowing frame is slidably connected to the lower end of the mowing connecting pipe extending obliquely downward from the vertically rotating fulcrum shaft of the mowing unit, and the front grain stalk raising unit of the mowing unit is mowed along with the left and right sliding of the mowing frame. The reaping harness is held by the vertical axis above the slide fulcrum so as to be rotatable, and by fixing the reaping harness that supplies electricity to the electrical components of the reaping section to the rotating frame, the reaping harness is pulled when the reaping section slides left and right. It is possible to prevent the wire harness from being broken and broken, and to prevent the harvest harness from being loosened or loosened and to prevent the transportation of the grain culms.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a side view of the mowing unit, FIG. 2 is a side view of the combine as a whole, and FIG. 3 is a plan view thereof. In the figure, (1) is a track frame equipped with left and right traveling crawlers (2), and (3) is A machine stand installed on the truck frame (1), (4) a threshing section in which a feed chain (5) is stretched on the left side and a handling barrel (6) is installed, and (7) is a vertical culm feeder. A harvesting section, (8) a straw processing section, (9) a driver's cab including a driver's seat (10) and a driving operation section (11), and (12) a grain from the threshing section (4). A grain tank for accumulating via a grain cylinder (13), (14) an exhaust auger for taking out grains in the grain tank (12) to the outside of the machine, and (15) an engine for driving each part of the combine, It is configured to perform mowing and threshing work.

As shown in FIGS. 1 and 4, the reaper (7)
Is a three-row pull-up case (18) having a pull-up tine (17) for raising uncut grain culms that are taken in through a sward board (16), and a star that scrapes the culm side of the raised grain culms. A foil (19) and a take-in belt (20), a cutting blade (21) for cutting the culm side at the time of this scraping, a culm side and a tip end side of the right one-row grain culm after cutting to the left diagonal. The right culm carrier chain (22) and the pair of upper and lower right tip transfer tines (23) to be conveyed backward, and the culm side and the tip side of the two left-sided grain culms after cutting, and the right culm diagonally rearward. The transfer chain (22) has a left culm source transfer chain (24) and a pair of upper and lower right tip transfer tines (25) that join together near the feed end position, and merges with the feed end of the right culvert transfer chain (22). Do 3
A vertical transfer chain (2) for transferring and transferring the culm side and the tip side of the grain culm of the row to the feed start end of the feed chain (5).
6) and a vertical transport tine (27), and the harvested three-row grain culms are left and right culm transport chains (24) of the reaper (7).
(22) and left and right tip transport tines (25) and (23), and a vertical transport chain (26) and a vertical transport tine (27) which form a transfer path to the feed chain (5). The threshing process is performed.

From the front side of the threshing section (4), a reaping connecting pipe () extending obliquely forward and downward through a traveling mission (28) fixed to the front end of the machine base (3) and a left traveling crawler (2). 29).

An input gear case (30) is fixedly mounted on the upper end (traveling machine side) of the reaping connection pipe (29), and the vertical rotation fulcrum shaft (31) of the reaper (7) is provided from the left and right side surfaces of the input gear case (30). ) (32) is fixed on the same axis so as to project in the lateral direction of the machine body. Left and right vertical rotation fulcrum shaft (31)
Left and right pedestals (3) that stand and fix (32) to the front end of the machine base (3)
3) (34) is rotatably supported by a bearing, and a hydraulic cylinder (3) for raising and lowering the harvest is provided between the harvest connecting pipe (29) and the machine base (3).
5) is installed.

A bevel gear case (36) is fixedly installed at the lower end of the cutting connection pipe (29), and the bevel gear case (3) is provided.
A bearing portion (37) is integrally formed in the lateral direction of the machine body on a surface facing the mounting surface of the cutting connection pipe (29) of 6).

The cutting blade (21) and the right star wheel (1
9), scraping belt (20) and left culvert transport chain (2)
4) and left tip conveying tine (25) and raising case (1)
The left transmission case (38) for transmitting power to 8) is connected to the left end, and the right star wheel (19) and the scraping belt (20) are connected to the right culvert transport chain (22) and the right tip transport tine (23). ) Is provided with a slide pipe (40) for connecting a right transmission case (39) to the right end.

The slide pipe (40) is attached to the bearing portion (37).
The lower end of the cutting connection pipe (29) is slidably and rotatably supported by the lower end of the cutting connection pipe (29) through the bearing portion (3).
A hydraulic cylinder (41) for a reaping slide is installed between 7) and the right transmission case (39).

Four cutting frames (42) extending parallel to the machine front-rear direction are provided, and the rear ends of each cutting frame (42) are integrally connected by a horizontal connecting pipe (43) to form a horizontal connecting pipe (43). The left and right end portions of the vertical movement fulcrum pipe (31) are integrally connected to the outer end portions of the left and right transmission cases (38) (39) through the connection frame (44), and the vertical movement fulcrum pipe (31) is expanded and contracted by the expansion and contraction operation of the reaper lifting hydraulic cylinder (35). ) (32) is used as a fulcrum to raise and lower the mowing unit (7), and the mowing unit (7) is moved in the left-right direction of the machine body by the expansion and contraction operation of the hydraulic cylinder (41) for the mowing slide.
Is configured to slide.

A transmission case (45) for vertical transportation is attached to the input gear case (30) at the upper end of the reaping connection pipe (29) so as to be rotatable around a vertical axis perpendicular to the vertically pivoting fulcrum pipes (31) (32). Along with the provision, a drive case (46) for vertical conveyance is provided on the transmission case (45) so as to be rotatable around a horizontal axis parallel to the vertical rotation fulcrum pipes (31) (32), and the vertical conveyance chain (26) is provided. Also, the feed end side of the vertical transport tine (27) is supported by the drive case (46), and the vertical transport chain (26) and the vertical transport tine (27) are moved to follow up and down and slide of the reaper (7). The vertical transfer chain (26) and the vertical transfer tine (27) are individually moved up and down to adjust the handling depth.

As shown in FIGS. 1 and 5, the lower part of each raising case (18) is supported by a support pipe (47) integrally connected to the front end side of the mowing frame (42). The horizontal transmission pipe (49) is integrally extended from the upper end of the pull-up transmission pipe (48) fixed to the left transmission case (38) to the right side of the machine, and the right end side of the horizontal transmission pipe (49) is located at the rightmost cutting frame ( 42) via a connecting pipe (not shown), and the upper part of each raising case (18) is supported by a chain case (50) provided on the lateral transmission pipe (49).

A cutting upper connecting pipe (51), one end of which is fixed to the input gear case (30) and the other end of which is fixed to an intermediate portion of the cutting connecting pipe (29), is provided on the left side of the operation unit (11). The middle part of the mowing side panel (52) installed along the edge in the machine front-rear direction is connected to the middle part of the mowing upper connecting pipe (5).
1) A vertical mowing upper rear support that is fixed to the upper surface side and has its lower end pivotally supported on the front side of the mowing upper connection pipe (51) and its upper end pivotally supported on the middle part of the mowing side panel (52). A shaft (53) is provided, and a vertical cutting upper front support shaft (55) is provided at an intermediate portion of the horizontal transmission pipe (47) via a bracket (54). The rotating frame (56) is provided so as to be stretched between the front and rear support shafts (55) (53).
6) A vertical rear bearing pipe (57) fixed to the rear end is rotatably fitted and supported on the outer side of the rear support shaft (53), and
A vertical front bearing pipe (58) fixed to the front end of the rotating frame (56) is rotatably fitted and supported on the outside of the front support shaft (55), and the mowing section (7) is connected to the mowing upper connecting pipe (51). ) And a rotating frame (56), and restricting the rotation of the reaper (7) about the slide pipe (40) as a fulcrum by the upper reaper connecting pipe (51) and the rotating frame (56), The rotating frame (56) is configured to rotate horizontally following the right and left slides of the reaper (7).

The front support shaft (55) is arranged so as to move to the left and right symmetrical positions around the rear support shaft (53) when the cutting unit (7) is at the left and right slide end positions. (7) is configured so that it can be held by the rotating frame (56) at the left and right slide end positions without any positional deviation between the front and rear.

As shown in FIGS. 6 and 7, the operation section (1
The harness harness (60) for connecting to the harness harness (59) of 1) is provided, and the harness harness (60) supplies electricity to each electric component of the trimming section (7) that slides left and right. 59) is pulled out from the operation unit (11) to the left side of the machine body along the vertical rotation fulcrum shafts (31) (32) of the mowing unit (7), and fixed to the end of the left vertical rotation fulcrum shaft (31). The machine harness (59) is connected to the end of the harvesting harness (60). The harvesting harness (60) is connected to the input gear case (3
0), the mowing connecting pipe (29), the mowing upper connecting pipe (51) and the horizontal frame (56) along the horizontal transmission pipe (49) to the rear bearing pipe (57) of the rotating frame (56). ) Part and rotating frame (56) The harvesting harness (60) is fixed to the middle part and the front bearing pipe (58) part of the rotating frame (56) with a harness band, and is rotated to the left and right slides of the harvesting part (7). By following the reaping harness (60) integrally with the frame (56), it is possible to prevent the reaping harness (60) from being pulled and breaking when the reaping part (7) slides left and right, and to prevent the reaping harness (60) from breaking. It is designed to eliminate looseness and slack and prevent obstruction of grain culm transportation.

As an electric component of the reaper (7), for example, FIG.
As shown in FIG. 3, the left and right work lights (6) disposed on the outer upper parts of the left and right side covers (61) and (62) of the mowing part (7).
3) (64) and the mowing frame (42) as shown in FIG.
Left and right steering sensors (65) (6) for automatic steering
6), which is branched to the left and right at the horizontal transmission pipe (49), and is divided into a left work light (63) and a left steering sensor (65), a right work light (64) and a right steering sensor (66). It is configured to supply electricity.

2 and 3 as electrical components for vertical conveyance.
As shown in FIG. 7, long and short culm sensors (70) (7) (7) (7) (7) for automatic handling depth adjustment, which are arranged on the U-shaped pipe (69) which is a holding frame of the vertical transport chain (26) and the vertical transport tines (27).
To supply electricity to 1), the vertical transfer harness (72) branched from the starting end side of the reaping harness (60) is guided to the long and short culm sensors (70) (71) along the U-shaped pipe (69). Done by.

Similar to the harvesting harness (60), the oil supply hose for lubricating each part of the harvesting part (7) also has a rotating frame (5).
By fixing it to 6), the same action as the harvesting harness (60) can be obtained.

This embodiment is constructed as described above, and when the ridgeline or the splitting work is performed, the reaper (7) is moved to the slide end position on the right side (solid line position in FIGS. 3 and 4). This prevents the left and right traveling crawlers (2) from stepping on the uncut grain culm, and at the time of normal work in which the right side of the machine is already cut and the left side of the machine is uncut, the cutting section (7) is set to the slide end position on the left side. (The position of the virtual line in FIG. 3 and FIG. 4),
The left running crawler (2) is run as far as possible from the uncut grain culm to prevent the running crawler (2) from pushing the uncut grain culm.

[0025]

As is apparent from the above-described embodiments, the present invention has a cutting connection pipe (29) extending obliquely downward from the vertical rotation fulcrum shafts (31) (32) of the cutting section (7). The frame (42) is slidably connected to the left and right, and the mowing part (7) and the front grain stem raising part (18) are connected to the mowing frame (4
It is rotatably held by the axis of the vertical axis (53) above the reaping slide fulcrum along with the left and right slides of 2), and can be rotatably moved at a position far away from the slide fulcrum of the reaper (7). Since it is held, insufficient rigidity of the holding structure can be resolved, and the cutting section (7) having three or more cuts can also be provided with a left-right sliding function.

Further, since the cutting part (7) for sliding left and right is held by the rotating part, there is little bending of each part at the time of sliding left and right, and there is no need for a rigid detent structure at the slide fulcrum part. The weight of the part is supported by the rotating part and the diameter of the slide fulcrum part can be made small, the slicing slide fulcrum part can be formed compactly, the catch of the transported grain can be prevented, and the entanglement of straw waste and the adhesion of mud are eliminated. Therefore, the sliding load can be reduced, and the reaper (7) can be slid left and right smoothly with a small amount of power.

Vertical fulcrum fulcrum shaft (31) of the reaper (7)
The cutting connection pipe (2) extending diagonally downward from (32)
9) A mowing frame (42) is slidably connected to the lower end, and the mowing part (7) front grain stem raising part (18) slides along the left and right of the mowing frame (42) along the vertical axis above the mowing slide fulcrum part. (53) A reaping harness (60), which is rotatably held by a shaft core and supplies electricity to electric components of the reaper (7), is fixed to the rotating frame (56), thereby reaping (7). Not only is it possible to prevent the harvesting harness (60) from being pulled and broken when it is slid to the left or right, but also to prevent loosening or loosening of the harvesting harness (60) and to prevent obstruction of the transport of grain stems. It plays.

[Brief description of drawings]

FIG. 1 is a side view of a reaping unit.

FIG. 2 is a side view of the entire combine.

FIG. 3 is a plan view of the entire combine.

FIG. 4 is a plan view of a reaping unit.

FIG. 5 is a plan view showing a rotation holding structure of a mowing unit.

FIG. 6 is a side view showing the wiring of the harvesting harness.

FIG. 7 is a plan view showing wiring of the reaping harness.

[Explanation of symbols]

 (18) Grain culm raising case (29) Mowing connection pipe (31) (32) Mowing vertical rotation fulcrum shaft (40) Slide pipe (42) Mowing frame (49) Horizontal transmission pipe (51) Mowing upper connecting pipe (53) ) Rear support shaft (55) Front support shaft (56) Rotating frame (60) Mowing harness

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kiyoji Kawatani 428 Enami, Okayama City Seiray Industrial Co., Ltd.In-house (72) Inventor Kaichi Fukui 428 Enami Okayama City, Seirei Industrial Co., Ltd.

Claims (2)

[Claims] 1. A mowing frame is slidably connected to a lower end of a mowing connection pipe extending obliquely downward from a vertically rotating fulcrum shaft of the mowing unit, and a front grain cutting device for the mowing unit is slid left and right. A harvesting device for a combine, wherein the harvesting slide is rotatably held by a vertical axis above a fulcrum slide fulcrum. 2. A mowing frame is slidably connected to a lower end of a mowing connection pipe extending obliquely downward from a vertically rotating fulcrum shaft of the mowing unit, and a front grain cutting device for the mowing unit is slid left and right. A harvesting device for a combine harvester, which is rotatably held by an axis of a vertical axis above a harvesting slide fulcrum, and to which a harvesting harness that supplies electricity to electrical components of the harvesting unit is fixed to the rotating frame.