JPS6112755Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to, for example, an improvement of a combine harvester in which a driving operation section is installed at the rear of the machine body.

In this type of combine harvester, in which the operation unit is installed at the rear of the machine, it is not possible to clearly determine the swinging position of the vertical conveyor, so grains may be left unhandled when threshed by the handling barrel, or grains may be left in the depths. There was a risk that the handling barrel would become overloaded due to handling.

Therefore, as shown in Japanese Utility Model Application Publication No. 53-52234,
There was a technology that installed an indicator marker to detect and display the grain culm length along the grain culm transport route, but since it continuously displayed the change in grain culm length, it
Short culms cannot be determined at a glance, and it takes some time to make such a determination.There was a problem in that it was not easy to simplify the handling operation and improve the handling depth adjustment function. .

However, the present invention provides a combine harvester in which an indicator marker that is displaced by the grain culm is provided in the grain culm conveyance path to display the feeding status of the grain culm to the operator, and the short culm of the marker is brought down by contact with the grain culm. The display member is supported so that it can stand up in a visible state when grain culms are not in contact with it, and the long culm display member of the marker, which is raised up in a visible state when it comes into contact with grain culms, is supported so that it can be laid down when grain culms are not in contact with it. be.

Therefore, by raising the short culm display member, shallow treatment can be indicated, and by raising the long culm display member, it is possible to indicate deep treatment, and by checking each of the display members, it is possible to instantly distinguish between long culm, proper culm, and short culm. It is possible to produce longer culms and
It is possible to quickly determine whether the working condition is proper or short culm, and it is possible to easily improve the handling depth adjustment function with simpler handling operations than conventional ones.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings. Fig. 1 is a side view of a walking type combine harvester according to the invention, and Fig. 2 is a plan view thereof. In the figure, 1 is a machine stand, and 2 is a A truck frame equipped with a pair of traveling crawlers 3, 3 on both left and right sides, 4 is a reaping rotation part A
The reaping main frame (reaping drive connection pipe) supporting the reaping main frame (reaping drive connecting pipe), 5 is a lower handling axial flow type threshing machine mounted on the machine stand 1, and a handling barrel 6 is installed inside it in the front and rear direction of the machine stand 1. The shafts are mounted along the same line.

7 is a reaping device for two-row mowing, and this reaping device 7
This is composed of a plurality of grass division plates 8, cutting blades 9, and an E-shaped cutting frame 10.

Reference numeral 11 denotes a grain culm transfer device, and this device 10 is composed of a feed chain 12 and a ramming rod, and is suspended on the left side of the threshing machine 5 along its handling opening.

Moreover, 13 is a gasoline engine mounted on the machine base 1 at the right front part of the threshing machine 5, and a fuel tank 14 is provided between this engine 13 and the threshing machine 5.

Furthermore, 15 is a paddy holder provided on the right side of the threshing machine 5 and at the rear of the engine 13;
A grain outlet body 17 equipped with two rice dumping ports 16, 16 is faced at the upper part of the grain outlet 5. This outlet body 17
is connected to the upper end spout of the grain frying conveyor device 18 for taking out fine grains from the first mouth, and the outlet body 17 has an operating grip portion facing toward the rear of the machine (that is, toward the operation control section to be described later). Paddy outlet switching lever 1
There are 9.

Furthermore, a cylinder cutter 20 is installed at the rear of the threshing machine 5 for pulling in and cutting the waste straw, and the feed chain 12 is extended to the upper part of the cutter 20.

On the other hand, the machine stand 1 at the rear part of the rice holder 15
An operation column 21 is erected on the top, and an operation operation section 22 is installed.
It consists of An accelerator lever 23 is attached to the right side of this operation column 21, a key switch 24 and a main clutch lever 25 are attached to the operation panel surface of this column 21, and a loop handle 26 is attached to this operation column 21. ing.

Next, the culm transport device will be described. A worm case 27 is installed above the harvesting device 7, and star wheels 28, 29 for raking in the roots of the culms are installed on the worm case 27. These star wheels 28, 29 are installed corresponding to the left and right culm lifting devices 30, 31, and these lifting devices 30, 31
Needless to say, it is composed of a two-piece lifting case, a lifting chain, and a lifting tine.

The rear upper part of the star foils 28 and 29 and the feed chain 12 in the grain culm transfer device 11
A vertical conveyance device 32 whose length can be adjusted is stretched in an inclined manner between the feeding start end and the feeding start end.

On the other hand, a hydraulic cylinder 33 for raising and lowering the reaping rotating section A is stretched between the track frame 2 and the main reaping frame 4, and by operating this cylinder 33, the reaping pivot pipe 34 is centered. The rotating part A is configured to be raised and lowered as appropriate.

Note that 35 is an auxiliary conveyance chain provided below one of the star wheels 28.

An inlet supply plate 37 is attached to the front part of the grain supply port 36 of the threshing machine 5, and on this supply plate 37, there are two handling depth display markers 38 distributed left and right around the axis of the handling barrel 6. , 39 are installed.

These display markers 38 and 39 have cylinder bodies 41 and 42 loosely fitted onto a support shaft 40 as clearly shown in FIG. , each cylinder 4
Display board support poles 45, 46 are on the top surface of 1, 42.
is fixed to one pole 45, and a shallow treatment display board 47, which is a short culm display member, is attached to one pole 45, and the other pole 46 is fixed to
A deep treatment display board 48, which is a long culm display member, is attached to each of the elements 40, 41, 43, 4.
5 and 47 constitute one display marker 38, and each of the aforementioned elements 40, 42, 44, 46, and 48 constitutes the other display marker 39.

Here, a stopper 49 is brought into contact with the front end of the one sensor arm 43, and the pole 4
5 is biased by a spring 50. Further, a stopper 5 is provided at the front end of the other sensor arm 44.
1 is in contact with the pole 46, and a spring 52 is biased against the pole 46. One of the shallow handling display boards 47 is visible from the rear under the solid line state in FIG. 5, and when this display board 47 is visible during work, it is in the shallow handling state. The other deep handling display board 48 cannot be seen from the rear under the solid line condition shown in FIG. When it is visible, it is in serious condition.

The present invention is constructed as described above, and its operation will be explained below.

Now, the grain culm cut by the cutting blade 9 is sequentially transported by the vertical transport device 32 etc., and then transferred to the feed chain 12, and further transferred to the inlet supply plate 37.
The grains are fed into the handling chamber 53 from the supply port 36 through the top, and sequentially subjected to a shedding process.

When the reaped grain culm passes over the inlet supply plate 37, when the sensor arms 43 and 44 of the display markers 38 and 39 are rotated together counterclockwise against the springs 50 and 52, One display board 4
7 is displaced from the upright state to the inclined state and becomes invisible from the rear. Further, the other display board 48 is displaced from the tilted state to the upright state and becomes visible from the rear. Therefore, the operator can clearly confirm from the rear of the machine that the grain culm is in the deep handling position.

In addition, when the harvested grain culm passing over the inlet supply plate 37 connects only one sensor arm 43 to the spring 50,
When the display plates 47 and 48 are rotated counterclockwise against the pressure, both of the display plates 47 and 48 are displaced to a position where they cannot be seen from the rear, so that the operator can confirm that the grain culm is at the appropriate handling depth by looking at the rear of the machine. You can check from.

Furthermore, if the harvested grain culm passing over the inlet supply plate 37 does not come into contact with any of the sensor arms 43, 44, only the display plate 47 of one of the display markers 38 that is erected can be visually observed from the rear. This allows the operator to confirm that the grain culm is in the shallow handling position.

When the two display markers 38 and 39 are provided on the inlet supply plate 37 and the handling depth of the grain culm is displayed by the displacement of the display plates 47 and 48, the operating control section at the rear of the machine Since the supply status of grain culms, that is, the handling depth can be accurately grasped even from 22, it is possible to prevent the occurrence of unhandled grains and threshing overload phenomena.

FIG. 6 is a system diagram showing a modified example of the handling depth display marker, in which L-shaped pipes 54 and 55 are provided in which a vertical portion and a horizontal portion having different cross-sectional areas are integrally formed to communicate with each other.
The incompressible liquid L is put into each of these tubes 54, 55, and pistons 56, 57 are provided in the horizontal portions of the tubes 54, 55, and piston-shaped floats 58, 59 are provided in the vertical portions of the tubes 54, 55. Handling depth display rods 60, 61 are erected on the floats 58, 59.

On the other hand, the cylindrical bodies 62 and 63 are loosely fitted to the support shaft 40,
Sensor arms 64 and 65 are suspended from the lower surface of each of these cylinders 62 and 63, and
Swing levers 66 and 67 having elongated holes 66a and 67a are attached to the upper surface of the sensor arms 64 and 67, and stoppers 68 and 69 are brought into contact with the front surfaces of the sensor arms 64 and 65, while springs 7 are attached to the swing levers 66 and 67.
0.71 is energized.

The piston rods 72, 73 connected to the pistons 56, 57 have locking pins 74, 75.
By protruding the locking pins 74, 75 into the elongated holes 66a, 67a of the respective levers 66, 67, the slight swinging of the sensor arms 64, 65 can be detected by the display rods 60, 75. 61 is configured with handling depth display markers 76 and 77 that convert into a large vertical movement.

Here, the display bars 60 and 61 are the display bars 60 and 61.
1 is visible from the rear of the fuselage only when it protrudes from the tubes 54 and 55.

With this configuration, both indicator rods 60 and 61 can be viewed from the rear of the aircraft when the handling depth is appropriate, and both indicator rods 60 and 61 can be viewed from the rear of the aircraft when the handling depth is appropriate. display bar 60,
61 cannot be visually observed, the operator can clearly grasp the handling depth of the grain culms by checking the protruding and recessing states of these two indicator rods 60 and 61.

FIG. 7 is a perspective view showing still another modification of the above embodiment, in which a cylindrical body 78 is loosely fitted onto the support shaft 40, a cam surface 79 is integrally formed on one side of the cylindrical body 78; A sensor arm 80 is suspended from the lower part of the body 78. A cylindrical body 82 is loosely fitted onto a shaft 81 that is substantially perpendicular to the support shaft 40, and an L-shaped operating rod 83 is attached to the lower part of the cylindrical body 82. The top of the cylindrical body 82 is configured to be in pressure contact with the cam surface 79 at all times, and a handling depth display plate 86 is attached to the upper part of the cylinder 82 via a rod 85.
is installed. Further, by biasing a spring 87 on the sensor arm 80 and providing a stopper 88 that comes into contact with the front surface of the arm 80, the sensor arm 80 has a greater handling ability by converting the swinging motion in the direction of the arrow a into the displacement in the direction of the arrow b. This is a configuration of a display marker 89.

When a pair of display markers 89 having the above configuration is used, the handling depth of the grain culm can be confirmed from the rear of the machine by the rocking displacement of the display plate 86 in the left-right direction.

FIG. 8 is a perspective view showing still another modified structure of the above embodiment, in which a cam 90 is loosely fitted onto the support shaft 40, a sensor arm 91 is vertically disposed on the lower surface of this cam 90, and is biasing the spring 92. Further, a stopper 93 is provided that comes into contact with the front surface of the arm 91.

Further, an elevating rod 94 that moves up and down along the circumferential surface of the cam 90 is provided, and a handling depth display plate 95 is attached to the upper end of this rod 94 to convert the swinging of the sensor arm 91 into the up and down movement of the plate 95. The processing depth display marker 96 is configured to display the processing depth.

Even with this configuration, the handling depth can be confirmed from the rear of the aircraft body, as in each of the above-described embodiments. Note that 97 in FIG. 8 is a guide for the lifting rod 94.

As is clear from the above embodiments, the present invention provides indicator markers 38 and 39 that are displaced by the grain culm in the grain culm conveyance path to display the feeding status of the grain culm to the operator. The marker 39 supports the short culm indicating member, which is the shallow treatment display plate 47 of the marker 38, which is caused to fall down upon contact, so that it can stand up in a visible state when the grain culm is not in contact with it, and the marker 39, which is made to stand up in a visible state when the grain culm comes into contact with it. The long culm display member 48 is supported so as to be able to fall down when the grain culm is not in contact with the grain, and by raising the short culm display member 47, shallow treatment can be indicated, and by raising the long culm display member 48, it can indicate deep treatment. By checking each of the display members 47 and 48, it is possible to instantly distinguish between long culm, proper culm, and short culm, and it is possible to quickly determine whether the working condition is long culm, proper culm, or short culm compared to the conventional method. It can be determined that
This provides practical effects such as the ability to easily improve the handling depth adjustment function with simpler handling operations than in the past.

[Brief explanation of the drawing]

Fig. 1 is a side view of a combine harvester according to the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a side view showing a cross section of the main part, and Fig. 4 is a plan view showing a cross section of the main part. , FIG. 5 is a perspective view of the display marker, FIG. 6 is a system diagram showing a modified structure of the display marker, and FIGS. 7 and 8 are perspective views showing still other modified structures of the display marker. 22...Operation unit, 37...Inlet supply plate, 3
8, 39... handling depth display marker (instruction marker), 47, 48... display board, 53... handling room, 7
6, 77... handling depth display marker (indication marker), 60, 61... handling depth display bar, 89... handling depth display marker (instruction marker) 86... handling depth display plate, 96... Handling depth display marker (instruction marker), 95... handling depth display plate.

Claims (1)

[Scope of utility model registration request] In a combine harvester in which indicator markers 38 and 39 that are displaced by the grain culm are provided in the grain culm conveyance route to display the supply status of the grain culm to an operator, a short culm display member of the marker 38 that is brought down by contact with the grain culm. The long culm display member 4 of the marker 39 supports the marker 47 so that it can stand up in a visible state when the grain culms are not in contact with it, and makes it stand up in a visible state when the grain culms come into contact with it.
A combine harvester characterized in that a grain culm supports a grain culm so that it can be laid down when not in contact with the grain culm.