JPH0856466A - Driving device for reaping slide - Google Patents

Abstract

PURPOSE: To provide a driving device capable of sliding a reaping part without installing a driving source for exclusive use of a reaping slide and narrowing a space under the reaping part. CONSTITUTION: This driving device for a reaping slide is obtained by installing a driving mechanism (78) for pulling a reaping part (7) through left and right sliding wires (76) and (77) left and right and sliding the reaping part and capable of pulling the sliding wires (76) and (77) with the driving mechanism (78) utilizing the reaping lifting operation in the driving device for the reaping slide for sliding the reaping part supported in front of a machine body so as to freely lift and lower in the left and right directions of the machine body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive for a mowing slide in a combine.

[0002]

2. Description of the Related Art Generally, a combine harvester is supported so that it can be raised and lowered in front of the machine regardless of whether it slides. A hydraulic cylinder is used as a drive device for raising and lowering the harvest.

As a drive device for the reaping slide, there have been a hydraulic cylinder system using a hydraulic cylinder, a mechanical system using a screw feed mechanism using an electric motor or engine power as a drive source.

[0004]

In the conventional reaping slide drive device, either the hydraulic cylinder system or the mechanical system is disadvantageous in terms of cost and weight, and in the case of the hydraulic cylinder system, hydraulic pressure is used. In the case of the cylinder, and in the case of the mechanical system, the screw feed shaft and its case are arranged under the cutting part, so the space of the part is narrowed and the accumulation of mud and the accumulation of straw scraps easily occur. However, there was a problem that this prevented the slide.

According to the present invention, there is provided a drive unit for a mowing slide for sliding the mowing unit without having a drive source dedicated to the mowing slide, and without narrowing the space below the mowing unit, to solve the above problems. Is intended to provide.

[0006]

In order to achieve the above object, in the drive device for the reaping slide of the present invention, the drive of the reaping slide that slides the reaping section supported in the front and rear direction of the machine body in the lateral direction of the machine body. The device is characterized by being provided with a drive mechanism for pulling and sliding the reaping unit to the left and right via the left and right slide wires, and the drive mechanism pulls the slide wire by using the reaping raising operation.

[0007]

[Operation] In the drive unit for a reaping slide of the present invention configured as described above, when the reaper is lifted by the hydraulic cylinder for raising and lowering a reaper, the reaping operation causes the reaper to slide to the left or right.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a cross-sectional side view of a drive unit of the reaping slide, FIG. 2 is an overall side view of the combine, and FIG. 3 is a plan view of the combine, where (1) is a track frame equipped with left and right traveling crawlers (2), (3) is a machine frame erected on the track frame (1), (4) is a threshing section in which the feed chain (5) is stretched on the left side and the handling cylinder (6) is installed, and (7) is grain. A mowing unit provided with a culm vertical conveying device, (8) a straw processing unit, (9) a driver's cab provided with a driver's seat (10) and a driving operation unit (11), and (12) a threshing unit (4). Lift the grain (1
Grain tank for storing via (3), (14) discharge auger for taking the grain in the grain tank (12) out of the machine, (1)
5) is an engine that drives each part of the combine, and is configured to continuously perform cutting and threshing work.

As shown in FIGS. 4 and 5, 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.

Then, a mowing connection for extending from the front side of the threshing section (4) to a front diagonally downward direction through a traveling mission (28) fixed to the front end of the machine stand (3) and a left traveling crawler (2). A pipe (29) is provided, and an input case (30) is fixedly provided on the upper end (traveling machine side) of the cutting connection pipe (29), and a vertical rotation fulcrum of the cutting unit (7) is provided from the left and right side surfaces of the input case (30). A left and right pedestal in which the pipes (31) and (32) are projected and fixed on the same axis in the left and right direction of the machine body, and the left and right vertical fulcrum pipes (31) and (32) are vertically installed and fixed to the front end of the machine base (3). (33) (34) is rotatably supported, and a mowing lifting hydraulic cylinder (35) is stretched between the mowing connecting pipe (29) and the machine base (3). Further, a guide case (36) is fixedly installed at the lower end of the cutting connection pipe (29), and a slide pipe (37) which is a slide fulcrum of the cutting portion (7) is connected to the cutting connection pipe (29) extending in the machine longitudinal direction. ) Fitting and holding the tip of the guide case (36) slidably and rotatably in the left and right direction of the machine body,
At the left end of the slide pipe (37), a raising case (18), a left culm carrier chain (24), and a left tip carrier tine (2).
5) The left drive case (38) for transmitting power to the slide pipe (37) is attached to the right end of the slide pipe (37), the cutting blade (21), the right culm transport chain (22), and the right tip transport tine (2).
The right drive case (39) for transmitting power to 3) is attached. Furthermore, four cutting frames (40) extending parallel to the machine front-rear direction are provided, and the rear end of each cutting frame (40) is integrally connected by a horizontal connecting pipe (41) to form a horizontal connecting pipe (41). The left and right end portions are integrally connected to the outer end portions of the left and right drive cases (38, 39) via the connecting frame (42), and the mowing portion (7) is moved up and down by the fulcrum pipe (31) (3).
The slide pipe (3
It is configured so that it can be slid left and right around the fulcrum 7) in the front of the machine body.

Also, the vertically rotating fulcrum pipes (31) (32) are attached to the input case (30) at the upper end of the reaping connection pipe (29).
A transmission case (43) for vertical conveyance that is attached so as to be rotatable around a vertical axis perpendicular to the vertical axis is provided, and the transmission case (43) is rotated around a horizontal axis parallel to the vertical rotation fulcrum pipes (31) (32). A vertically transporting drive case (44) that is movably mounted is provided, and a vertical transport chain (26) and a vertical transport tine (27) are provided.
The feed end side of the vertical transport chain is supported by the drive case (44), and the vertical transport chain (26) and the vertical transport tines (27) are moved to follow up and down and slide of the reaper (7), and the vertical transport chain (26) and The vertical transport tines (27) are individually moved up and down to adjust the handling depth.

As shown in FIGS. 4 and 6, the lower part of each raising case (18) is supported by a support pipe (45) integrally connected to the front end side of the mowing frame (40) to support the left drive case (3).
8) The horizontal transmission pipe (47) is integrally extended to the right side of the machine from the upper end of the pull-up transmission pipe (46) fixedly fixed to 8), and the right end side of the horizontal transmission pipe (47) is connected to the rightmost mowing frame (40). It is supported via a pipe (not shown), and the upper portion of each pulling case (18) is supported by a horizontal transmission pipe (4).
It is supported by a chain case (48) provided in (7).
Then, one end is fixed to the input case (30), and
The middle part of the mowing side panel (50), which is provided with the mowing upper part connecting pipe (49) for fixing the other end to the middle part of the mowing connecting pipe (29) and is installed along the left side edge of the operation operating part (11) in the machine longitudinal direction. Part is fixed to the upper surface side of the mowing upper connection pipe (49), and the lower end is mowing upper connection pipe (49)
A vertical mowing upper rear support shaft (51) that pivotally supports the front side of the muffler and the upper end of the muffler side panel (50) in the middle part thereof, and a bracket ( 52) through the vertical upper cutting support shaft (5
3) is provided, and a rotating frame (54) stretched between the front and rear support shafts (53) (51) is provided, and the rotating frame (54)
A vertical rear bearing pipe (55) fixed to the rear end is rotatably fitted and supported on the outer side of the rear support shaft (51), and a vertical front bearing fixed to the front end of the rotating frame (54). The pipe (56) is rotatably fitted and supported on the outside of the front support shaft (53), and the pipe (56) is rotated through a rotating frame (54) that horizontally rotates following the slide of the reaper (7). The reaper (7) is held by the reaper upper connecting pipe (49), and the reaper (7) is rotated about the slide pipe (37) as a fulcrum so that the reaper upper connecting pipe (49) and the rotating frame (54). ) Is regulated by).

As shown in FIG. 7, a reaping input pulley (57) is provided at the end of the right turning fulcrum pipe (32) of the reaping portion (7), and motive power from the engine (15) is supplied to the reaping input pulley (5).
7) via the reaper input shaft (5) inside the input case (30)
8) and power is transmitted from the mowing input shaft (58) to the horizontal transmission shaft (59) inside the slide pipe (37) through the vertical transmission shaft (60) inside the mowing connection pipe (29). Then, the upper end of the vertical transmission shaft (60) is interlockingly connected to the reaping input shaft (58) by a pair of bevel gears (61) and (62), and the lower end is connected to the horizontal transmission shaft (59) by the slicing connection pipe of the slide pipe (37). Opening (6) on the (29) side
In section 3), a pair of bevel gears (64) and (65) are interlockingly connected. Further, the lateral transmission shaft (59) is rotatably regulated in the middle portion by a bearing (66) extending from the lower end of the reaping connection pipe (29) into the slide pipe (37) through the opening (63). Bevel gear (6
4) The opening (63) for engaging the engagement of (65) and inserting the bearing (66) is formed in a long hole which is long in the axial direction of the slide pipe (37) so as to allow the slide pipe (37) to slide. There is. The left and right drive cases (38) and (39) are provided with input shafts (67) and (68) having the same axis as the lateral transmission shaft (59).
The left and right input shafts (67) (68) are fitted inside the slide pipe (37) on the lateral transmission shaft (57) while allowing only sliding, and rotate integrally with the lateral transmission shaft (59). The input shaft (67) of the left drive case (38) is interlockingly connected via a pair of bevel gears (69) (70), the raising case (18), the left culm transport chain (24) and the left tip transport tine (25). ) Output shaft (71) to the horizontal transmission shaft (59)
From the input shaft (6) of the right transmission case (39).
8) is a cutting blade drive shaft (74) that is interlockingly connected through a pair of bevel gears (72) (73), and a left culm transport chain (22) and a left tip transport tine (23) provided on the input shaft (68). ) Output sprocket (75) to the horizontal transmission shaft (5
It is configured to transmit power from 9).

As shown in FIGS. 1 and 7 to 10, left and right slide wires (7) are attached to the cutting connection pipe (29).
6) A drive mechanism (78) for pulling and sliding the cutting section (7) left and right via the (77), and a pair of guide frames (axially) on the lower surface of the cutting connection pipe (29) in the axial direction. 79) and (80) are fixed to face each other, and one end is swingably connected to the front end of the machine base (3) through a pivot shaft (81) as shown in FIG.
The other end of 2) is slidably connected to the guide frame (79) (80) through the lower long groove (83) and the sliding pin (84) in the axial direction of the cutting connection pipe (29). As shown in FIG. 7, one end has a left-right drive case (38).
The left and right slide wires (7) connected to (39)
6) The other end of (77) is connected to the guide frame (79) (8
0) through the upper long groove (85) and the pair of sliding pins (86) to be connected to the left and right guide bodies (87) (88) slidably mounted in the axial direction of the cutting connection pipe (29). ing. In addition, the left and right claw clutches (89) and (90) that are rotatably supported on the sliding pin (84) and engage and disengage from the left and right guide bodies (87) and (88), and both ends as shown in FIG. The lower long groove (83) is slidably fitted to connect the middle part to the sliding pin (84) via a connecting plate (91) and moves integrally with the sliding pin (84). And a clutch rotation restricting pin (92) for allowing the pawl clutches (89) and (90) to be elastically biased in the clockwise direction in FIGS. 1 and 8 via the left and right clutch springs (93). And the pawl clutch (89) as shown in phantom in FIG.
The engaging portion of (90) is brought into contact with the pin (92) to hold the pawl clutches (89) and (90) in the off position, and at the same time, as shown in FIG. The operating lever (94) for the reaping slide to be installed is connected to the claw clutch (8) via the left and right switching wires (95) (96).
9) (90) are connected and the operating lever (94) is held at the neutral position shown by the solid line in FIG. 8 to loosen the switching wires (95) (96), and the clutch spring (93).
And the regulating pin (92), the claw clutches (89) (9)
0) at the off position and the operation lever (94) is operated to enter the left slide position or the right slide position shown by the phantom line in FIG. 8 to move the left or right switching wire (95) (96). Tension the left or right claw clutch (89) (90) against the clutch spring (93) to disengage the claw clutch (89) (90) as shown by the phantom line in FIG. 1 and the solid line in FIG. Rotate counterclockwise in FIGS. 1 and 8 until the meshing portion abuts on the pin (92), and shift the pawl clutches (89) (90) to the on position shown by the phantom line in FIG. 1 and the solid line in FIG. It is configured to be held by.

Incidentally, the hydraulic cylinder for raising and lowering the reaping (3
5) the cylinder body is attached to the front end of the machine base (3) by a pivot shaft (9
7) and swingably connected to each other, and the cutting connection pipe (2
9) Left and right brackets (9
8) Attach the tip of the piston rod (35a) to the pivot shaft (9
9) is rotatably connected to the drive mechanism (78), and the drive mechanism (78) vertically rotates the middle part of the cutting connection pipe (29) supported by the hydraulic cylinder (35) and the upper cutting part (7). It is arranged between the dynamic fulcrums to prevent adhesion of mud from below and accumulation of straw debris from above.

Then, the hydraulic cylinder (3
5) The piston rod (35a) of 5) is moved forward and backward to move the reaping connection pipe (29) up and down the pivot fulcrum pipe (31) (3).
By turning up and down around 2), the mowing part (7)
The whole goes up and down with respect to the aircraft. As the reaper (7) moves up and down, the sliding pin (84) and the regulating pin (92) of the drive mechanism (78) and the left and right claw clutches (89) (90).
Are integrally guided by the upper long groove (83) and move in the axial direction on the lower surface side of the cutting connection pipe (29). That is,
When the mowing section (7) moves up, it moves toward the upper end of the mowing connecting pipe (29), and when it moves down, it moves toward the lower end. Then, the operation lever (94) is held in the neutral position, and the left and right claw clutches (89) and (90) are both shown by the solid line in FIG.
If the claw clutches (89) (90) are operated to the off position indicated by the phantom line, the left and right guide bodies (87) (88)
Will move through it without meshing with
The left and right slide wires (76) (77) are not pulled, the mowing slide drive is not performed, and only the mowing section (7) is moved up and down.

Then, as shown in FIG. 7, the slide pipe (37) is located at the sliding end position on the right side, and the cutting connection pipe (2)
9) Shown in phantom in FIGS. 3 and 5, when it is held at the lower end and the reaper (7) is supported in the right slide position shown in solid lines in FIGS. When sliding to the left slide position, the operation lever (9
4) Put the switch wire (9
After switching the left claw clutch (89) from the off position shown by the solid line in FIG. 1 to the on position shown by the phantom line via 5), the reaper (7) is raised, and this time the left claw is turned. As the clutch (89) moves to the upper end side of the cutting connection pipe (29), it engages with the left guide body (87), and the guide body (89) is attached to the upper long groove (see FIG. 8). 85) and move it toward the upper end of the cutting connection pipe (29), and pull the left slide wire (76) whose one end is connected to the right drive case (39). This causes the slide pipe (37) to slide to the left,
The left slide drive of the reaper (7) is performed. After that, the cutting unit (7) is appropriately lowered to the working height to perform the cutting work.

In order to drive the reaper (7) to the right, the operating lever (94) is moved to the right slide position to switch the right claw clutch (90) to the on position, and then the reaper is removed. (7) is raised and one end is moved to the left drive case (3
This is done by pulling the right slide wire (77) connected to 8).

FIG. 11 is a schematic explanatory view showing a modified example of the drive mechanism of the reaping slide. The drive mechanism (78a) slides on the outer receivers (100) of the left and right slide wires (76) (77). Left and right guide members (101) to be freely fitted are fixed to the cutting connection pipe (29),
Also, the outer member (100) is attached to the guide member (101).
A cam member (102) for restricting the sliding of the slide is provided so that it can be turned on and off, and the other ends of slide wires (76) (77) pulled out from the outer receiver (100) are connected to the main body of the reaper lifting hydraulic cylinder (35). , The cam member (102) is connected to the operation lever (94) via the switching wires (95) (96), and the left or right cam member (102) is changed to the solid line in FIG. 11 by the operation lever (94). Switch to the ON state shown, and interlock with the raising of the mowing
By increasing the withdrawal amount of the slide wires (76) (77) from the (00), the cutting section (7) can be moved through the left and right slide wires (76) (77) as in the above-mentioned drive mechanism (78). It is configured to be driven by sliding.

[0020]

Since the present invention is configured as described above, it has the following effects.

In the drive unit for the reaping slide, which slides the reaping section (7) supported in the front of the machine body so as to be able to move up and down, left and right slide wires (76).
A drive mechanism (78) (78a) for pulling and sliding the cutting unit (7) left and right via the (77) is provided, and the drive mechanism (78) (78a) uses the cutting wire raising operation to slide the slide wire (76). ) (77) is pulled, a drive source dedicated to the mowing slide is not required, and a simple structure in which the space below the mowing section (7) is not narrowed can be achieved, and cost reduction and weight reduction can be achieved. It is possible to prevent the accumulation of mud and the accumulation of straw debris in the lower part of the reaper (7), and the sliding is not obstructed by this.

Further, since the force of the hydraulic cylinder for raising and lowering the mowing can be utilized, even if the mowing section (7) having three or more lines is heavy, it can be smoothly and smoothly slid.

Furthermore, since the reaper (7) does not slide unless the reaper (7) is raised to a predetermined position, damage to the respective parts due to an operation mistake that causes the reaper (7) to slide in the grounded state will occur. It can be prevented.

[Brief description of drawings]

FIG. 1 is a sectional side view of a drive unit of a reaping slide.

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 partial plan view of a reaping unit.

FIG. 7 is a partial plan view of the reaping unit.

FIG. 8 is a sectional side view of a drive unit of the reaping slide.

FIG. 9 is a plan view of a drive unit of the reaping slide.

FIG. 10 is a partially enlarged view of the drive unit of the reaping slide.

FIG. 11 is a schematic explanatory view showing a modified example of the drive mechanism of the reaping slide.

[Explanation of symbols]

 (7) Mowing part (35) Hydraulic cylinder for raising and lowering the mowing (76) (77) Slide wire (78) (78a) Drive mechanism

Claims (1)

[Claims] 1. A drive device for a reaping slide that slides a reaping unit that is vertically movable in the front of the machine body in the left-right direction of the machine body, comprising a drive mechanism that pulls the reaping section left and right through left and right slide wires to slide. A drive device for a mowing slide, wherein the drive mechanism pulls a slide wire by using a mowing rising operation.