JP2000228907A - Sliding equipment for pulling up pretreating part of harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a sliding equipment for a pulling up pretreating part of a harvester capable of simplifying the configuration of the sliding equipment and setting light-weight and compact by installing a specific preventing part for vertical swing on the sliding equipment. SOLUTION: In a harvester installing a pulling up pretreating part which arranges, pulls up and rakes in corps, on the forefront of a machine body and quipment sliding the pulling up pretreating part right and left, a preventing part is installed on the sliding equipment 30 to prevent the vertical swing of the sliding part to the pulling up pretreating part connected to the sliding part centering the sliding part, locating each on the same wheel center, comprising this sliding equipment as a single shaft configuration. The harvester installing a pulling up pretreating part which arranges, pulls up and rakes in corps, on the forefront of the machine body and the equipment sliding the pulling up pretreating part right and left, installs a preventing part on the slide pipe 39 comprising the sliding equipment 30 to prevent the vertical swing to the pulling up pretreating part connected to the slide pipe 39 centering the sliding part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harvester having an apparatus for arranging crops at the forefront of an airframe at the forefront thereof, for arranging the crops, raising and scraping the crops, and having the apparatus for sliding the cropper to the left and right. The present invention relates to a configuration of a vertical rotation preventing portion centered on the slide portion to a slide portion and a pre-raising processing portion connected to the slide portion in the slide device.

[0002]

2. Description of the Related Art Conventionally, in such a sliding apparatus, a female frame fixed to a horizontal frame slidably to the left and right with respect to a frame connecting the pre-raising section for supporting the pre-raising section to the body is fixed. , A male screw that rotates is provided outside the horizontal frame, and the pre-raising treatment section is slid.

Further, when the horizontal frame freely rotates in the rotating direction with respect to the support cylinder fixed to the frame for connecting the pre-raising pre-processing unit fixed to the body, the pre-raising pre-processing unit connected also rotates. Because the position becomes unstable, a guide frame is provided outside of the horizontal frame and connected to the horizontal frame as a measure for preventing rotation. .

[0004]

In the prior art, since the screw feeder is provided outside the horizontal frame, the adhesion of the mud to the rotating male screw may cause sliding failure, and the horizontal frame may also be displaced. -There is a problem that the rotation preventing portion such as the guide frame provided outside the frame prevents the reduction in weight and size, and there is a problem to be improved. In view of the above situation, the present invention has a configuration in which a screw feeder is incorporated in a slide device, and furthermore, a slide pipe that constitutes the slide device is additionally provided with a rotation preventing portion in the rotation direction, and is incorporated in the slide device. Conventionally, a guide frame or an accessory is provided outside the slide device in order to prevent the rotation, thereby improving the slide device of the pre-start-up processing section which solves the above-mentioned problem. It is provided in a harvester.

[0005]

According to the present invention, in order to solve the problems described in the preceding paragraph, a pre-raising pre-processing unit is provided at the forefront of the body, which arranges crops, raises and scrapes the crops, and controls the pre-raising pre-processing unit. In a harvester equipped with a device for sliding left and right, a sliding device is provided with a sliding portion and a vertical rotation preventing portion around the sliding portion to a pre-raising processing portion connected to the sliding portion, each of which is coaxial. A slide device that is positioned on the core and has a single-axis configuration, and incorporates an up-and-down rotation prevention portion centering on the slide portion to the pre-raising processing portion, and implements a pre-raising pre-processing portion slide device in a lightweight and compact harvester. It has become.

[0006] In a harvester equipped with a pre-raising processing unit that arranges crops at the forefront of the body, raises and rakes the crop, and is equipped with a device that slides the pre-raising processing unit to the left and right, a slide constituting a slide device is provided. A vertical rotation preventing portion centering on the slide portion is attached to the pipe to the pre-raising processing portion connected to the slide pipe, and is incorporated in the slide device, and the conventional rotation prevention member is attached to the slide frame. On the other hand, the configuration is improved so as to solve the above-mentioned problem due to the external installation.

[0007] In a harvesting machine equipped with a pre-raising processing unit which arranges crops at the foremost part of the body, raises and rakes the crop, and is equipped with a device for sliding the pre-raising processing unit to the left and right, a slide constituting a slide device is provided. A support cylinder fixed to the pipe by forming a groove on the outer peripheral surface thereof and engaging the protrusion with the protrusion provided on the inner peripheral surface of the metal portion to form a rotation preventing portion. Thus, the slide pipe is prevented from rotating in the rotation direction, and these structures can be built in the slide device.

[0008] In a harvester equipped with a pre-raising processing unit which arranges crops at the forefront of the body, raises and scrapes the crop, and is equipped with a device for sliding the pre-raising processing unit to the left and right, a slide constituting a slide device is provided. A spline is formed on the outer peripheral surface of the pipe and the inner peripheral surface of the metal portion, and the splines are engaged with each other to prevent the slide pipe from rotating in the rotation direction by the support cylinder fixed via the metal portion. It was configured like this.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below using a combine as an example with reference to the drawings. FIG. 1 is a sectional plan view of a slide device and a cutting frame portion, which are main parts of the present invention.
Fig. 3 is a plan view of the relative positions of the slide device, the cutting frame unit and the cutting blade device in a cross section. FIG. 2 is a cross-sectional view of a part of the slide device, which is a main part of the present invention, in a side view, in which the slide pipes constituting the slide device, the left and right support cylinders, and the relative positions of the metal parts thereof are viewed in a side view. FIG.
FIG. 3 is a cross-sectional view taken along the line II in FIG. FIG. 4 is a side view of the pre-raising processing unit, which includes a raising and reaping device, a vertical transport device, and the like, and integrally rotates up and down. FIG. 5 is an overall side view of a combine according to an embodiment of the present invention, and FIG. 6 is an overall plan view of the combine. FIG. 7 is a cross-sectional view of a part of another alternative of the slide device according to the present invention when viewed from the side, and FIG. 8 is a cross-sectional view taken along the line II in FIG.

An overall configuration of a combine according to an embodiment of the present invention will be described with reference to FIGS. A machine base (2) is mounted on the crawler-type traveling device (1), and a pre-raising unit (A) is disposed in front of the machine base (2) so as to be vertically rotatable.
The raising pre-processing unit (A) projects the weeding board (3) at the front end to divide the culm, and sets up the raising device (4) at the rear thereof.
The raising tine of the raising device (4) circulates and raises the grain stalks, cuts the root of the plant with a cutting blade device (5) arranged at the rear of the weeding board (3), and transports the upper and lower transport devices. It is transported to the rear by the device and the vertical transport device (6). From the end of the vertical conveying device (6), the root of the grain culm is passed on to the feed chain (7), and the grain culm is conveyed into the threshing unit (B). Further, a straw chain (2) is provided at the end of the feed chain (7).
6) is arranged, and a straw cutter device (53) is arranged below the rear part of the straw chain (26) to cut the straw and discharge it to the field.

At the side of the threshing unit (B), a Glen tank (12) for storing the sorted kernels is provided, and in front of the Glen tank (12), a driver's seat (19) is provided. hand,
A vertical auger (18a) of a discharge auger (18) is provided upright, and a discharge conveyor (13) is provided at the bottom of the Glen tank (12) in the front-rear direction. And transfer the paddy. In addition, power is transmitted from the discharge conveyor (13) to the discharge auger (18) so that the paddy in the Glen tank (12) can be sent from the tip of the horizontal auger (18b) to a truck or the like. .

As shown by broken lines in FIGS. 5 and 6, a threshing device (20) of the threshing section (B) has a handling chamber (21) for internally and axially mounting a handling cylinder (22) in the front-rear direction. Reference numeral (23) denotes a processing chamber which is provided horizontally in parallel with the handling chamber (21) and has a processing drum (24) mounted on the inside thereof, and the handling chamber (21) and the processing chamber (23).
Is communicated by a dust outlet (25) on the culm side, and a lower part around the handling room (21) and the processing room (23) is constituted by a receiving net.

On the other hand, the pre-pulling processing unit (A) is shown in FIGS.
As shown in the figure, a raising device (4) having a raising tine for raising an uncut kernel culm taken in through a weeding board (3), a root side of the raised cereal stem and Left and right star wheels (9) and (9) and left and right scraping belts (10) and (10) for scraping the tip side, a cutting blade device (5) for cutting the root side of the stalked grain stem, and cutting An upper conveying device, a lower conveying device, and a vertical conveying device (6) for conveying the harvested grain culm to the beginning of the feed chain (7), and a cutting connection frame projecting obliquely downward and forward from the front side of the threshing unit (B). The cutting frame (11) and a cutting frame (14) provided on the tip side of the cutting connection frame (11) are supported so as to be vertically rotatable.

As shown in FIGS. 1 and 4, on both sides of the upper end (threshing section side) of the cutting connection frame (11), a left and right cutting input case (15) is provided in the left-right direction of the machine body. ) (1
6) are protruded and fixed on the same axis, and the left and right mowing input cases (15) and (16) are rotatably supported by a receiving stand (8) which is fixed to the front end of the machine base (2). At the same time, a cutting and lifting hydraulic cylinder (17) is interposed between the cutting connection frame (11) and the machine base (2), and the left and right cutting input cases (15) and (16) are used as fulcrums. Processing unit (A)
Is rotated up and down.

Further, left and right support cylinders (28, 29) protrude and fixed on the same axis in parallel with the left and right cutting input cases (15, 16) on both lower ends of the cutting connection frame (11). The left and right support cylinders (28) and (29) penetrate the cutting connection frame (11) and are rotatably fitted in the support cylinders (28) and (29). ), And a slide pipe (39) having a male screw portion to be fitted into the outer cylinder (35) are internally provided to constitute a slide device (30). In addition, the slide pipe (3
9), the cutting frame (14) is integrally connected, and the raising pre-processing unit (A) is slid left and right by screw feed.

As shown in FIG. 1, a pre-raising slide drive shaft (40) to be inserted into the mowing connection frame (11).
A bevel gear (31) axially mounted on the outer cylinder (35) meshes with a bevel gear (32) fixed to the outer periphery of the outer cylinder (35), and a female screw portion (3) engraved on the inner peripheral surface of the outer cylinder (35).
When a plurality of steel balls (34) serving as male screw portions mounted on the outer periphery of the slide pipe (39) are fitted to 3), when the pre-raising processing section (A) is slid, the outer cylinder (35) is rotated forward and reverse. When driven, the slide pipe (39) is configured to move to the left or right of the aircraft.

In order to facilitate the processing of the female thread on the outer cylinder (35), the outer cylinder (35) is composed of two divided outer cylinders, each of which is internally threaded, and the divided outer cylinder is removed. It is formed integrally by welding.

As shown in FIGS. 1, 2 and 3,
The steel balls (34) are disposed at substantially the center of the slide pipe (39) and at substantially equal intervals within one pitch of the female screw portion (33), and are formed to be approximately half the length of the slide pipe (39). The outer cylinder (35) is fitted into the female thread (33) on the inner peripheral surface,
By moving the steel ball (34) from end to end in the outer cylinder (35) in the axial direction of the slide pipe (39), the pre-raising section (A) is driven at a screw feed distance of approximately half of the slide pipe (39). ) Is obtained to obtain all the strokes.

Further, as shown in FIGS. 1 and 2, a metal part (27) is interposed between the left and right support cylinders (28) and (29) and the outer cylinder (35). 27) is composed of an inner metal (27a) and an outer metal (27b), and the outer cylinder (35) is rotatable by the inner metal (27a) at the inner peripheral surface fixed position on the left and right support cylinders (28) and (29). The slide pipe (39) is fixed to the outer metal (27) on the inner peripheral surface of the left and right support cylinders (28) and (29).
b) so that the outer cylinder (3)
5), a steel ball (34) is sandwiched between a female screw portion (33) cut in the outer tube (35) and a hemispherical recess cut in the slide pipe (39). (2
8) (29), outer cylinder (35) and slide pipe (3
9) forms a triple structure, with an oil seal (32) between the slide pipe (39) and the left and right support cylinders (28) and (29).
Is shielded.

Here, the main part of the present invention will be described in detail with reference to FIGS. 1, 2 and 3. A groove (36) is engraved on the upper and lower periphery of the slide pipe (39), and a hemispherical recess is formed in the metal part (27) press-fit into the left and right support cylinders (28) and (29) opposed to the groove (36). And a rotation preventing ball (37) is fitted into the concave portion as a projection in a state where the rotation preventing ball (37) partially protrudes,
The rotation preventing ball (37) is interposed between the groove (36) of the slide pipe (39) and the hemispherical concave portion of the metal portion (27), and the rotation preventing ball (37) is connected to the metal portion ( 2
The slide pipe (39) is prevented from rotating in the rotational direction by the left and right support cylinders (28) and (29) by being brought into contact with the hemispherical recess of (7) and the groove (36) of the slide pipe (39). And a rotation preventing portion.

As another embodiment, as shown in FIGS. 7 and 8, a metal portion (27) press-fitted into left and right support cylinders (28) and (29) constituting a slide device (30). A spline is formed on the inner peripheral surface of the slide pipe and the outer peripheral surface of the slide pipe (39), and the splines are meshed with each other, so that the spline is slidable in the axial direction and at the same time, is fixed via the metal portion (27). Left and right support cylinders (28) (2
According to 9), the slide pipe (39) is configured to be prevented from rotating in the rotation direction.

As shown in FIGS. 1 and 4, right and left raising pipes (41) are provided at the left and right ends of the slide pipe (39).
The lower left and right gear case (43) (4)
4) are integrally fixed by bolts, and the left and right support cylinders (28) and (29) and the lower left and right gear cases (43) and (4)
4) A bellows cover (38) surrounding the slide pipe (39) is mounted between the left and right sides. When the slide pipe (39) slides left or right, the bellows cover (38) is The slide pipe (39) is configured to follow while expanding and contracting to protect the slide pipe (39) from mud and foreign matter.

As shown in FIG. 4, the power of the engine (E) is transmitted from the left cutting input case (15) to the middle of the right raising pipe (42) via the transmission pipe (45). The input power is transmitted from the upper end of the right-raising drive shaft inserted into the right-raising pipe (42) to the right-raising case section, from the middle section to the right-side rake section, and the slide pipe (39) ), A pre-raising transmission shaft (48) is interpolated, and the right end of the pre-raising processing transmission shaft (48) and the lower end of the right raising drive shaft are connected via a pair of bevel gears in a right gear case (44). The left end of the pre-raising transmission shaft (48) and the lower end of the left raising drive shaft inserted into the left raising pipe (41) are connected by a pair of bevel gears in a left gear case (43). The left-hand drive case is connected from the upper end of the left-hand drive shaft through an interlocking connection. Intended to transmit power, the slide pipe (39) of the slide device (30) transmission Ke - are configured for use as a scan.

As shown in FIG. 1, the pre-raising slide drive shaft (40) includes a left and right cutting input case (15).
The cutting input shaft (50) interpolated in (16) is connected by a combination of bevel gears via a forward / reverse switching clutch (51) and connected to a cutting input pulley (52) fixed to the cutting input shaft (50). It is configured to slide the pre-raising processing unit (A) by the power of the engine (E) that is input and transmitted to each mowing work unit.

This embodiment is constructed as described above, and the pre-raising unit (A) is shown by the phantom line in FIG. 1 so that the left traveling crawler (1) does not step on the uncut culm. As shown in the solid line in FIG. 1, slide the pre-raising section (A) to the right slide end position as shown by the solid line in FIG. The crawler (1) (1) prevents the uncut grain culm from stepping on the culm, and at the time of ridge cutting, slides the pre-raising unit (A) to a slide position close to the ridge side, and travels on the ridge side. It is possible to prevent the crawler (1) from climbing on the ridges and, on the other hand, to adjust the uncutted culm row by adjusting the left and right sliding of the pre-raising processing unit (A).

[0026]

As described above, the present invention has the following effects. In a harvester equipped with a pre-raising processing unit (A) for arranging, raising and scraping crops at the forefront of the machine body, and a device for sliding the pre-raising processing unit (A) to the left and right, a slide device (30) A slide unit and a vertical rotation preventing unit centering on the slide unit to the pre-raising processing unit (A) connected to the slide unit; Has a single-shaft configuration, so that the configuration of the slide device (30) can be simplified, light-weight and compact.

In a harvester equipped with a pre-raising processing unit (A) which arranges crops at the forefront of the machine, raises and rakes the crop, and is equipped with a device for sliding the pre-raising processing unit (A) to the left and right. Slide pipe (39) constituting (30)
And a vertical rotation preventing portion centered on the slide portion is attached to the pre-raising processing portion (A) connected to the slide pipe (39), so that the vertical rotation preventing portion is connected to the slide device (3).
0), and the anti-rotation member is installed outside the slide frame as before, so that there is no danger that the slide action will be disabled due to clogging of mud or foreign matter, and the weight will be low. A compact configuration becomes possible.

In a harvester equipped with a pre-raising processing unit (A) which arranges crops at the forefront of the body, raises and rakes the crop, and is equipped with a device for sliding the pre-raising processing unit (A) to the left and right. The slide pipe (3) constituting (30)
A groove is provided on the outer peripheral surface of 9), and the groove and the slide device (3) are provided.
Since the rotation preventing portion is formed by engaging the projections provided on the inner peripheral surface of the metal portion (27) of the slide pipe (3),
9) is prevented by a metal part (27) press-fitted and fixed to the slide device (30) via the protrusion through the protrusion, and is a pre-raising part (9) connected to the slide pipe (39). A) The rotation preventing portion which prevents the vertical rotation of the device (A) and is slidable and non-rotatable is provided with a simple structure by the slide device (3).
0), and a lightweight and compact configuration is possible.

In a harvester equipped with a pre-raising processing unit (A) which arranges crops at the forefront of the machine, raises and rakes the crop, and which is equipped with a device for sliding the pre-raising processing unit (A) to the left and right. The slide pipe (3) constituting (30)
9) and the metal part (2) of the slide device (30)
7) A spline is formed on the inner peripheral surface and meshed with each other to form a rotation preventing portion in the rotation direction of the slide pipe (39), so that the pre-raising section (A) connected to the slide pipe (39). Can be prevented from turning up and down, and the slide device with rotation preventing, which is slidable and non-rotatable, can be made more lightweight and compact.

[Brief description of the drawings]

FIG. 1 is a slide device and a cutting frame, which are main parts of the present invention.
FIG. 3 is a cross-sectional plan view of the rubber part.

FIG. 2 is a side sectional view of a part of a slide device which is a main part of the present invention.

FIG. 3 is a cross-sectional view of an II portion in FIG.

FIG. 4 is a side view of a pre-raising processing unit according to a main part of the present invention.

FIG. 5 is an overall side view of a combine according to an embodiment of the present invention.

FIG. 6 is an overall plan view of a combine according to an embodiment of the present invention.

FIG. 7 is a cross-sectional side view of a part of another slide device according to a main part of the present invention.

FIG. 8 is a cross-sectional view of an II portion in FIG. 7;

[Explanation of symbols]

 Reference Signs List A Pre-raising part B Threshing part E Engine 1 Crawler type traveling device 4 Raising device 5 Cutting blade device 27 Metal part 27a Inner metal part 27b Outer metal part 28 Left support cylinder 29 Right support cylinder 30 Slide device 35 Outer cylinder 36 Groove 37 Rotation prevention ball 39 Slide pipe 40 Pre-raising slide drive shaft

Claims (4)

[Claims] 1. A harvesting machine equipped with a pre-raising processing unit (A) for arranging, raising and scraping crops at the forefront of an airframe, and equipped with a device for sliding the pre-raising processing unit (A) left and right.
The slide device (30) is provided with a slide portion and a portion for preventing vertical rotation about the slide portion to the pre-raising processing portion (A) connected to the slide portion, and each is positioned on the same axis. And a slide device (30) having a single-axis configuration, wherein the pre-raising unit slide device in the harvester. 2. A harvesting machine equipped with a pre-raising processing unit (A) for arranging, raising and scraping crops at the forefront of an airframe and for sliding the pre-raising processing unit (A) to the left and right.
A slide pipe (39) constituting the slide device (30) is provided with a part for preventing vertical rotation of the slide part (A) connected to the slide pipe (39) around the slide part. A slide device for a pre-pulling-up section in a harvester, which is provided. 3. A harvester equipped with a pre-raising pre-processing unit (A) that arranges crops at the forefront of the fuselage, raises and rakes the crop, and is equipped with a device that slides the pre-raising pre-processing unit (A) left and right.
A groove (36) is provided on the outer peripheral surface of the slide pipe (39) constituting the slide device (30), and the groove (3) is provided.
6) and a projection provided on the inner peripheral surface of the metal part (27) of the slide device (30) into which the slide pipe (39) is fitted is engaged to rotate the slide pipe (39) in the rotation direction. 3. The slide device according to claim 2, wherein the prevention unit comprises a prevention unit. 4. A harvester equipped with a pre-raising processing unit (A) for arranging, raising and scraping crops at the forefront of the body, and a device for sliding the pre-raising processing unit (A) to the left and right.
A spline is formed on an outer peripheral surface of a slide pipe (39) constituting the slide device (30) and an inner peripheral surface of a metal portion (27) of the slide device (30) into which the slide pipe (39) is fitted. 3. The apparatus according to claim 2, further comprising a rotation preventing portion that is engaged with the slide pipe in a rotation direction of the slide pipe.