JPS6313867A - Moving agricultural machine - Google Patents

Abstract

PURPOSE:To carry out operations, etc. suited to various conditions by forming a machine base with a divided upside machine base on which an operating device is provided and a divided downside machine base on which a traveling device is provided. CONSTITUTION:A machine base 1 is formed with a divided upside machine base 4 on which an operating device 2 is provided and a divided downside machine base 5 on which a traveling device 3 is provided. The divided upside machine base 4 is combined with the divided downside machine base 5 by means of a pair of parallel links 6 provided on their front and rear parts, and the divided upside machine base 4 is swingable with respect to the divided downside machine base 5. A horizontally installed cylinder 16 for swinging is provided on the left link 7 side while an inclinedly installed cylinder 17 for sliding is provided on the right link 8 side.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial field of application The present invention is directed to a motor vehicle that is equipped with a working device such as a reaping device or a threshing device on the machine base, and a traveling device such as a crawler below the machine base. Concerning mobile agricultural machinery such as traveling combine harvesters.

(b) Prior Art Conventionally, the mobile agricultural machinery described above generally has a structure in which the working device and the traveling device are each fixedly installed at a predetermined position with respect to the machine base. In this case, the machine base on which the working head is installed and the machine base on which the traveling gear is installed are the same, and the working equipment is fixedly installed on the upper side of the machine base, and the traveling gear is fixedly installed on the lower side. be done.

(c) Problems to be solved by the invention By the way, in the case of this type of mobile a machine, in certain situations, it is possible to move the working device on the platform to the side with respect to the traveling device, or to In certain situations, it may be advantageous to be able to tilt the working equipment on the machine to the left or right. To explain this using a self-propelled combine harvester as an example, if the former is possible, it has the advantage of making it easier to harvest along the edges of ridges, etc., and if the latter is possible, it can be used in fields with poor suspension conditions such as wet fields. There are advantages such as being able to mow at a uniform cutting height on both sides.

However, in the conventional mobile agricultural machine having the above structure, neither the former structure nor the latter structure is adopted, so that various inconveniences or problems may arise in certain situations.

Therefore, this invention was made in view of the above-mentioned circumstances, and it is possible to move the working device on the machine to the side with respect to the traveling device, and to move the working device on one machine in the left and right direction. To provide a mobile agricultural machine having a structure that can be tilted so that work etc. can be performed according to various situations.

In addition, Utility Model Publication No. 51-4212, Publication No. 53-1834
4 and Utility Model Application Publication No. 58-161436, etc., techniques are disclosed in which all or some of the working devices installed on the machine stand are configured to be able to be displaced vertically or horizontally. .

(d) Means for solving the problem In order to solve the above-mentioned problem, the present invention consists of an upper divided machine base equipped with a working device and a lower divided machine base equipped with a traveling mounting, The two-side split machine base and the lower split machine base are connected so that they can swing freely relative to either the upper or lower split machine base via a pair of parallel links installed at the front and rear of the machine. At the same time, one link of the pair of parallel links has both ends rotatably pivotally connected to the upper dividing machine stand and the lower dividing machine stand, and the other link has one end connected to the lower dividing machine stand. Or, it is rotatably pivoted to the lower split machine base so that the other end is in a free state, and furthermore, on the one link side, one end is connected to the upper split machine base, and the other end is rotatable to the lower split machine base. A tilted cylinder is provided which is rotatably pivotally mounted, and one end of which is rotatably pivotally mounted to the other end of the link which is in a free state on the other link side, and the other end which is in a free state. It is provided with a horizontally installed cylinder that is connected to the dividing machine stand on the end side.

(e) Operation Therefore, under normal conditions, one link and the other link of a pair of parallel links are placed vertically using a horizontally installed cylinder and an inclined film 8 cylinder, and are installed parallel to the upper or lower dividing machine base. If you want to move the working equipment on the upper splitter platform to the side of the traveling equipment, leave the horizontally installed cylinder in its normal state and use the inclined installed cylinder. is driven in the elongation or contraction direction. In this way, the upper split machine base on which the work equipment is installed rotates around both links of the parallel link pair or the pivot point on the lower split machine base side, and tilts parallel to the traveling gear. Moved to the left or right side. In addition, if you are in a situation where you want to tilt the work equipment to the left or right, you can leave the tilted cylinder in its normal state.
The horizontally installed cylinder is driven in the extension direction or the contraction direction. If you do this, the other link of the pair of parallel links that was in the vertical position will rotate, so the upper split machine base on which the working device is installed will rotate at the pivot point on the upper split machine base side of one link of the parallel link pair. Turn to the center and lean.

(v) Embodiment IJ An embodiment of the present invention will be explained based on the drawings.36 Figure 1 shows a schematic front view of a self-propelled combine harvester to which this invention is applied, and in the figure The machine stand, 2 is a working device such as a threshing bag fixed on the machine stand 1, and 3 is a crawler-type traveling device fixedly installed under the machine stand 1.

The machine stand 1 is composed of a one-L side dividing machine stand 4 equipped with a working device 2 and a lower side dividing machine stand 5 equipped with a traveling device 3.

The upper dividing machine stand 4 and the lower dividing machine stand 5 are connected by a pair of parallel links 6 arranged at the front and rear of the upper dividing machine stand 4.
is able to swing freely relative to the lower dividing machine stand 5.

Links 7.8 constituting the parallel link pair 6 are arranged at the left end of the machine base and at the right end of the machine base. And link 7 on the left
One end 9 is rotatably attached to the upper split machine base 4 about an axis lO, and the other end 11 is in a free state. One end 12 of the right link 8 is rotatably connected to the upper dividing machine base 4 by a shaft 13, and the other end 14 is rotatably connected to the lower dividing machine base 5 by a shaft 15. has been done. A horizontal cylinder 16 for swinging is installed on the left link 7 side, and a tilting cylinder 17 for sliding is installed on the right link 8 side. The horizontally installed cylinder 16 has the tip 19 of the piston rod 18 rotatably connected to the other end 11 of the link 7 in a free state by a shaft 20, and the rear end 22 of the mounting rod 21 is connected to the lower split machine base 5. It is pivotally connected by a shaft 23. The tilted awn cylinder 17 is connected to the piston rod 24
The tip end 25 of the mounting rod 26 is rotatably pivoted to the first side split machine base 4 by the shaft 13, and the rear end 27 of the mounting rod 26 is rotatably pivoted to the lower side split machine base 5 by the shaft 28. I'm wearing it.

Next, the operation of the self-propelled combine harvester having the above configuration will be explained.

This self-propelled combine harvester does not require moving the working device 2 on the machine stand 1 to the side with respect to the traveling device 3, or tilting the working device 2 on the machine stand l in the left-right direction. In the normal case, the parallel link pair 6 is kept perpendicular to the lower split machine base 5 as shown in FIG.
In this state, the upper dividing machine stand 4 is parallel to the lower dividing machine stand 5, and the same positions are joined, and the working device 2 is in the correct position on the traveling device 3. placed horizontally.

Therefore, when trying to move the working device 2 on the machine platform l to the side with respect to the traveling device 3 for the purpose of easily reaping along the edge of a ridge, etc., as shown in Fig. 2, the water mower installation cylinder 16 is kept in its normal state, and the inclined cylinder 17 is driven in the extending direction (in the illustrated case) or in the contracting direction. In this way, each link 7.8 of the parallel link pair 6 rotates in parallel as shown by the arrow around the pivot point (shafts 20, 15) on the lower split machine base 5 side, so that the upper split machine base 4 is the lower dividing machine stand 5
As a result, the working device 2 on the machine stand 1 is lateral to the traveling device 3 (to the right in the example)
It will be sent to.

In addition, when the working device 2 on the machine base 1 is tilted in the left-right direction for the purpose of mowing at a uniform cutting height on both sides in fields with poor suspension conditions such as wet fields.

As shown in FIG. 3, the horizontally installed cylinder 16 is driven in the extending direction or the contracting direction (in the illustrated case) while leaving the inclined installed cylinder 17 in its normal state. In this way, the left link 7 of the parallel link pair 6 rotates as shown by the arrow around the pivot point (shaft 10) on the upper split machine base 4 side, so that the upper split machine base 4 is rotated on the lower side. Link 8 on the right side with respect to the split machine stand 5
Rotates as shown by the arrow around the upper pivot point (shaft 13),
As a result, the working device 2 on the machine platform l is tilted.

In addition, even when the working device 2 on the machine base 1 is moved to the side with respect to the traveling gear 3 as described above, and when the work device 2 on the machine base 1 is tilted, it is It goes without saying that in order to return to the state shown in FIG.

In the embodiment, one end 9 of the link 7 of the parallel link pair 6 is connected to the upper dividing machine stand 4 side, and the horizontally installed cylinder 16 is arranged on the lower dividing machine stand 5 side. Connect the horizontally installed cylinder 16 to the upper dividing machine base 4.
The same effect as described above can be obtained even with a configuration in which the elements are arranged unevenly. In addition, in the embodiment, the piston rod tip 25 of the tilted cylinder 17 is connected to the upper split machine base 4 by commonly using the shaft 13 that connects one end of the link 8. You may also do so.

Furthermore, in the embodiment, the piston rod 18 side of the horizontally installed cylinder 16 is connected to the other end 11 in the free state of the link 7, and the piston rod 24 side of the inclined installed cylinder 17 is connected to the upper split machine stand 4 side, The mounting rod 21 side of the horizontally installed cylinder 16 may be connected to the other end 11 of the link 7, and the mounting rod 26 side of the inclined installed cylinder 17 may be connected to the upper dividing machine stand 4 side.

(G) As described in detail of the invention, in the mobile agricultural machine according to the present invention, the machine base (1) can be replaced with the working device (2) or the upper split machine base (4).
) and a lower split machine base (5) equipped with a traveling device (3), and these L side split machine base (4) and lower split machine base (
5) is connected to the upper divided machine base (4) or the lower divided machine base (5) so as to be able to swing freely via a pair of conductive links (6) installed at the front and rear of the machine base respectively. , one link (8) of the parallel link pair (6) has both ends (12, 1
4) to the upper dividing machine stand (4) and the lower dividing machine stand (5).
), and the other link (7) has one end (9) rotatably connected to the upper divided machine base (4) or the lower divided machine base (5). to make the other end (11) free, and furthermore, one end (25) is attached to the one link (7) side.
or the upper divided machine base (4) is provided with an inclined installation cylinder (17) whose other end (27) is rotatably pivoted to the lower divided machine base (5), and the other link (8) One end on the side (
19) or the other end (11) in the free state of said link (7)
Since a horizontal installation cylinder (16) is provided, which is rotatably pivoted to the other end (27) or connected to the split machine stand (5) on the other end (11) side which is in a free state, horizontal installation is possible. When the inclined cylinder (17) is driven in the extension direction or contraction direction with the cylinder (16) in the normal state, the machine base (1
) can be moved to the side with respect to the traveling device (3), and the horizontally installed cylinder (16) can be moved in the extending or contracting direction while leaving the inclined installed cylinder (17) in its normal state. When driven in the direction, the working device (2) on the machine base (1)
) can be tilted left and right. Therefore, the machine (
1) When there is a situation where it is necessary to move the upper working device (2) in relation to the traveling device (3).

It is also possible to deal with situations where it is necessary to tilt the working device (2) on the machine stand (1) in the left-right direction.

And, such a function can be used to connect the machine base (1) to the work device (2).
It consists of an upper dividing machine stand (4) equipped with a traveling installation (3) and a lower dividing machine stand (5) equipped with a traveling installation (3), and these upper dividing machine stand (4) and lower dividing machine stand (5). A parallel link pair (6) connecting the parallel link pair (6) and each link (7,
8) by providing a horizontally installed cylinder (16) and an inclined installed cylinder (17),
It has the advantage of being simple in structure and can be implemented in a small space and at low cost.

[Brief explanation of the drawing]

Fig. 1 is a schematic front view showing an embodiment of a self-propelled combine according to the present invention, and Fig. 2 is a schematic front view illustrating the effect when the working device on the machine body is moved to the side with respect to the traveling device. , FIG. 3 is a schematic front view illustrating the operation when tilting the working device on the machine body in the left-right direction. l...Machine base, 2...Work device, 3...Travel device,
4... Upper dividing machine stand, 5... Lower dividing machine stand, 6...
・Parallel link pair, 7.8...link, 9, 11, 12
, 14°19.25.27... End, 16... Horizontal installed cylinder, 17... Inclined installed cylinder.

Claims (1)

[Claims] A mobile agricultural machine comprising a working device (2) on a machine stand (1) and a traveling device (3) below the machine stand (1), wherein the machine stand (1) is connected to the work device (2). It is composed of an upper dividing machine stand (4) in which is provided and a lower dividing machine stand (5) in which the traveling device (3) is provided, and these upper dividing machine stand (4) and lower dividing machine stand (5) The upper divided machine base (4) connects to the lower divided machine base (
5), and one link (8) of the parallel link pair (6) has both ends (12, 14) connected to the upper split machine base (4) and the lower The other link (7) rotates one end (9) to the upper divided machine base (4) or the lower divided machine base (5). The other end (11) is pivoted for free movement.
is in a free state, and furthermore, on the one link (7) side, one end (25) is rotatably connected to the upper dividing machine stand (4) and the other end (27) to the lower dividing machine stand (5). A tilted cylinder (17) is provided which is pivotably mounted, and one end (19) is rotatably pivoted to the free other end (11) of the link (7) on the other link (8) side. and the other end (27)
A mobile agricultural machine, characterized in that it is provided with a horizontally installed cylinder (16) connected to a dividing machine stand (5) at the other end (11) in a free state.