JPH06141648A - Grain tank in combine harvester - Google Patents

Abstract

PURPOSE:To prepare a device capable of surely confirming the rear without regard to the extending and housing operation of an extending tank with a back mirror and safely performing the operation. CONSTITUTION:This grain tank in a combine harvester is constructed by loading the rear side of a maneuvering seat 3 provided on an undercarriage 2 having a crawler 1 and installing an extending tank 5 capable of performing the changeover from an extended state in which the tank is extended and protruded to the outside of the undercarriage 2 to a housed state in which the tank 5 is housed in the grain tank 4 in the outer lateral part thereof and a back mirror 6, installed in the outer lateral part of the maneuvering seat 3 and movable in the same direction as that of extending tank 5 in relation to the operation of the extending tank 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain tank for combine harvesters, and can be used not only for self-draining combine harvesters but also for ordinary combine harvesters.

[0002]

2. Description of the Related Art A grain tank in a conventional combine harvester is usually provided with an increasing tank so that the amount of stored grain can be adjusted to a large or small value. When the expansion tank is expanded outward with respect to the grain tank in order to increase the amount of stored grain, the expansion tank has a result that it extends beyond the width of the vehicle body.

As a result, the back mirror provided on the outer side of the control seat is significantly narrowed because the rearward view is limited by the outwardly expanded volume increasing tank.

[0004]

In performing the mowing and threshing work with the above-mentioned conventional combine, the weight increasing tank projects outside the chassis width when it is expanded to increase the amount of stored grain. Therefore, the rear view of the back mirror provided outside the pilot seat is limited due to the increase tank, and the back mirror becomes narrow or invisible, so that the safety of back running cannot be maintained.

[0005] Since the combine usually carries out mowing and threshing work by cutting around, when the end of the field is reached, the machine turns and changes direction. At that time, the combine is carried out while confirming the rear safety. I have to. As described above, the present invention is intended to embody a device capable of confirming the rear safety even when the expansion tank is expanded.

[0006]

The present invention takes the following technical means in order to achieve the above object. That is, the grain tank 4 is mounted on the rear side of the control seat 3 provided on the chassis 2 having the crawler 1, and the grain tank 4 is extended to the outside of the chassis 2 so as to project outside. The increasing tank 5 that can be switched between the increasing state and the storing state in the grain tank 4 is provided, and the back mirror 6 provided on the outer side of the control seat 3 is in the same direction in relation to the operation of the increasing tank 5. It is a grain tank in a combine that can be moved to.

[0007]

EXAMPLE First, the structure will be described. Chassis 2
It has a crawler 1 as a traveling device, and is configured to be able to travel in wet fields as well as in dry fields with less subsidence. The chassis 2 is equipped with a thresher 7, and a cutting and conveying device 8 for cutting and cutting grain culms in the field and then transporting and feeding the thresher 7 to the thresher 7 is provided on the front side in a vertically rotatable manner. . The control seat 3 may be provided at the front of the chassis 2 behind the harvesting and conveying device 8 to form a cabin.

The back mirror 6 is located outside the control seat 3 and attached to the support rod 9 so that the rear view can be confirmed. The grain tank 4 is mounted on the chassis 2 adjacent to the side of the threshing machine 7 so as to be located behind the control seat 3 and mounted, and stores the first grain (fine grain) threshed by the threshing machine 7. It is configured to be possible.

The bulking tank 5 is formed in a U-shaped cross section, the lower part of which is pivotally attached to the lower part of the opening 10 on the side wall of the grain tank 4 and the upper part is expanded outward to store the amount of stored grain. Is configured to increase. And, the back mirror-6,
The base 11 is provided with a motor 11 and is attached to a rotatable supporting rod 9. The supporting rod 9 is configured to rotate in the same direction and by the same distance as the increasing tank 5 expands and contracts. That is, the support rod 9 is configured so that a signal from a detector 12 for detecting the degree of expansion / contraction of the increasing tank 5 can be transmitted to the motor 11 via a controller for control.

Alternative Embodiment 1 According to the configuration of another embodiment, the support rod 9 is interlocked with the expansion / contraction operation of the increase tank 5, but a part of the support rod 9 becomes an obstacle as the chassis 2 moves forward. When a collision or contact occurs,
The signal is transmitted to the controller, and the increasing tank 5 is appropriately operated to ensure safety.

Second Embodiment In the case where the control seat 3 is configured so that it can be lifted together with the operation box 13 on the front side, when the auxiliary shift is set to "running speed (road running)" in order to ensure safety. The configuration is such that it can be lowered and raised when switched to "work speed (field traveling)". According to this structure, the combine can perform work reliably while raising the control seat 3 during operation to secure the front view, and when traveling on the road, keep the control seat in the lower position for safety. There is a feature that can run fast.

The above-mentioned control seat 3 that can be moved up and down
By fixing the back mirror 6 to the operation box so that the back mirror 6 can be integrally lifted and lowered, a sufficient rear view can be secured at any height and safe work can be performed. Next, the operation will be described. First, the mowing and threshing work is started while driving the rotating parts of the machine body.

The grain culms in the field are cut by the reaping and conveying device 8 at the front part as the chassis 2 moves forward, and then conveyed backward and supplied to the thresher 7 for threshing treatment. In this way, when the work proceeds, the grain tank 4
The grains that have been threshed and have been sorted are sequentially sent through the fried-cylinder and stored.

When the number of grains in the grain tank 4 increases, the increasing tank 5 is expanded to the outside of the chassis 2 manually or automatically to reach a state where a large amount of grains can be stored. At this time, the back mirror 6 can move the same distance in the same direction as the increasing tank 5 when the detector 12 detects the expansion degree of the increasing tank 5 and the motor 11 is started via the controller. .

Therefore, in the control seat 3, even if the expansion tank 5 extends beyond the side edge of the chassis 2 and is expanded, the driver moves the back mirror 6 together with the rear view as described above. You can secure them and continue your work safely.

[0016]

As described above, according to the present invention, the grain tank is mounted on the rear side of the control seat provided on the chassis having the crawler, and the grain tank is provided on the outer side of the chassis outside the chassis. A quantity increasing tank that can be switched between a quantity increasing state in which the quantity is expanded and projected and a quantity accommodating state stored in the grain tank is provided, and a back mirror provided outside the pilot seat is the same in relation to the operation of the quantity increasing tank. Since the back mirror is configured to move in the same direction, the back mirror can move in the same direction in relation to the expansion tank even if it extends outward from the side edge of the chassis, so that a rear view can always be secured. Is.

Therefore, the driver has the feature that he / she can safely work in the control seat.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a front view showing a cross section of the storage tank of the embodiment of the present invention in a storage state.

FIG. 3 is a front view showing a cross section of the expanded tank of the embodiment of the present invention in an expanded state.

FIG. 4 is a front view of a portion of the present invention.

FIG. 5 is a block circuit diagram of the present invention.

[Explanation of symbols]

1 Crawler 2 Chassis 3 Steering seat 4 Grain tank 5 Increase tank 6 Back mirror

Claims (1)

[Claims] 1. A weight increasing state in which a grain tank is mounted on the rear side of a control seat provided on a chassis having a crawler, and the grain tank is extended to the outside of the chassis so as to project to the outside of the chassis. In a combine harvester having a structure in which an increasing tank that can be switched to a storage state of being stored in a grain tank is provided, and a back mirror provided outside the control seat can be moved in the same direction in relation to the operation of the increasing tank. Grain tank