JPH0345562Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a grain tank in a combine harvester that harvests and threshes grain culms.

(b) Prior art Conventionally, in combine harvesters that have a threshing device and a grain tank installed on the machine stand, when servicing the threshing device and the transmission device between it and the grain tank, the grain tank is attached to the outside lower part. It was designed to evacuate by rotating around a horizontal support shaft or a vertical shaft installed on the machine base.

Furthermore, there is already known a grain tank in which the grain tank is divided into front and rear parts along a horizontal vertical plane, and only the front half of the tank is movable outward.

(c) Problems to be solved by the invention The grain tank in the known combine harvester is
In either case, the capacity was limited by the space on the side of the threshing device, and it was not possible to increase the capacity.

In addition, when the amount of grain filled into the grain tank increases, the left-right balance of the aircraft deteriorates, and the crawler on the grain tank side sinks, making steering operation difficult, and the sorting device tilts laterally, especially in wet fields. The sorting performance deteriorated.

Furthermore, in the latter case, even though the transmission device spans almost the entire length of the gap formed between the threshing device and the grain tank, only the part corresponding to the movable tank is released, so maintenance thereof is difficult. was difficult.

(d) Means for solving the problem The present invention is a combine harvester in which a threshing device and a grain tank are arranged on the machine stand, and the grain tank is placed on the side of the threshing device and moved outward. a movable tank, and a fixed tank installed inside the movable tank so as to face the upper part of the threshing device, and an opening provided in the upper part of the movable tank on the side of the threshing device;
The above-mentioned problem was solved by removably connecting the fixed tank to the outside opening on the longitudinal vertical plane and communicating the overlapped portions thereof.

(E) Function The threshed and sorted grains are filled into the grain tank using a grain lifting cylinder. At this time, initially the movable tank is filled, and at the end when the amount increases, the grain is also filled into the fixed tank on the threshing device. To prevent the deterioration of the left-right balance of the aircraft due to filling, the fixed tank should remain fixed to the threshing device when servicing the grain tank and threshing device or the transmission device between them. , when only the movable tank is moved outward, almost the entire outside of the threshing device is released, and in this state maintenance and inspection of the threshing device and the transmission device disposed between it and the grain tank can be carried out over a wide area. Can be easily done in space.

(F) Embodiment To explain an embodiment of the present invention about a combine harvester shown in the drawings, 1 denotes a machine base 3 having a traveling device 2.
It is a threshing device mounted on one side of the top, and a pre-processing device 5 consisting of a reaping device 4 and a grain culm conveying device is installed at the front, and a straw processing device such as a cutter 6 or a tying machine is installed at the rear. The grain tank A installed on the other side of the machine base 3 consists of a movable tank 7 and a fixed tank 8. , 9 so as to be movable outwardly, and the transfer spiral 11 is built into a box-shaped receiving gutter 10 that communicates with a V-shaped bottom plate. The transfer spiral 11 has an intermediate portion and a tip portion at the transfer end. A grain thrower 12 that can be folded and tilted from side to side when discharging grains was installed in series, and an input pulley 13 fixed on the starting end side was attached with a tension pulley 16 by an output pulley 15 of a gear case 14, as shown in FIG. The input pulley 18 of the gear case 14 is driven by a pulley 19a of the engine 19 via a V-belt 21 to which a clutch pulley 20 is attached, and the part of the movable tank 7 corresponding to the fixed tank 8 is Opening 7a
It is formed in

The front part of the fixed tank 8 is screwed onto the threshing device 1 through an L-shaped mounting plate 22, and the rear wall plate 8b is fitted with a bottom plate 8c that is inclined toward the movable tank 7. It is provided on the threshing device 1 by being fixed to the cylinder 23 via the stay 24,
L-shaped connecting rods 26, 26 whose bases are rotatably fitted into horizontal holding cylinders 25, 25 attached to the front and rear surfaces of the fixed tank 8 are holders fixed to the front and rear surfaces of the movable tank 7. 27, 27 horizontal notch groove 2
9 and 29, and when the tip is turned downward as shown in FIG. 5, it is locked.

In addition, the openings 7 of the movable tank 7 and the fixed tank 8
The front and rear side edges of a and 8a are tapered and overlapped as shown in FIG.
The lower edge of the opening 8a of the movable tank 7 protrudes in a triangular shape, and the lower edge of the opening 7a of the movable tank 7 is bent diagonally toward the inside of the movable tank 7 and overlaps the lower slope of the protrusion 8d. ing.

Furthermore, the grain lifting cylinder 23 has a bottom plate 8c as described above.
Since it is inserted into the fixed tank 8, the internal volume of the grain tank can be expanded in the left and right directions compared to the conventional case where the discharge port of the grain lifting cylinder 23 is communicated with the wall plate of the grain tank. As shown in Fig. 3, the upper casing 30 of the grain lifting cylinder 23 has a fan shape that widens approximately 90 degrees toward the rear in plan view, and opens approximately 270 degrees toward both sides and the front. The grains can be thrown over a wide range by the rotation of the throwing blade 31 that is integrated with the grain spiral shaft, and since the bottom plate 8c is inclined downward toward the movable tank 7, the grains can be thrown into the fixed tank 8. The grains quickly slide down into the movable tank 7, and when the handling chamber cover 32 and cylinder cover 33 of the thresher 1 are opened as shown by chain lines in FIG.
c is not an obstacle.

A grain detection sensor 34 is installed at the upper part of the fixed tank 8 on the side of the threshing device 1 to detect when the grain is full.
4 is connected by a cord to an alarm and a battery provided on an operation panel B provided in front of the grain tank A, and a work light 39 attached to the front of the fixed tank 8 is changeable in direction. , connected to the battery with a cord.

35 is a viewing window with a transparent plate attached, 36 and 37 are cleaning ports with removable lids, and 38 is a movable tank 7.
It is a link that can be folded in two and connects the lower part of the side of the threshing device 1 to the machine stand 3, and when the movable tank 7 is moved outward as shown in FIG. Sometimes it gets folded.

In the above-mentioned combine harvester, the grains that have been harvested, threshed and sorted are fried by the grain lifting cylinder 23,
The throwing blade 31 throws the fried grains across the movable tank 7 and the fixed tank 8, and the thrown grains in the fixed tank 8 flow down the bottom plate 8c and enter the movable tank 7. After the grains are deposited up to the lower edges of the openings 7a and 8a, they are deposited over a wide area covering both the movable tank 7 and the fixed tank 8, and the left-right balance of the machine body is improved compared to when only the movable tank 7 is filled with grains. gets better.

When loading the grains in the grain tank A onto the transport vehicle, the machine is brought to the transport vehicle, the grain thrower 12 is tilted to the side, the transfer spiral 11 is driven, and the shutter is opened to load the grains. Load onto the transport vehicle.

Furthermore, when servicing the inside of the grain tank A, the threshing device 1, or the transmission device between it and the grain tank A, the receiver 27 can be removed by holding the connecting rods 26, 26 horizontally and pushing them into the threshing device 1 side. , 27 and then move the movable tank 7 outward.
The openings of the movable tank 7 and the fixed tank 8 are opened, and at the same time, the transmission device, the cleaning ports 36, 37, etc. of the threshing device 1 are exposed for maintenance.

When the maintenance work is finished, when the movable tank 7 is stood up and rotated, the movable tank 7 and the fixed tank 8 are
The upper edge, both side edges and lower edge of the openings 7a and 8a are closely overlapped as shown in FIGS. 27, 27, and rotate downward to connect.

When moving the movable tank 7 in this way, the grain detection sensor 34 or the work light 39 are attached to the fixed tank 8 regardless of the movement of the movable tank 7, so the cords attached to them are connected to the movable tank. There is no need to set the length to allow the outward movement of the wire 7, the length can be kept to the minimum necessary, and the wiring is easy.

Further, when servicing each part, the work light 39 is held at a certain high position, so that the direction of the work light 39 can be changed to face the servicing location, making it easy to perform servicing even in the dark.

When servicing the equipment in the fixed tank 8, such as the grain detection sensor 34, when the movable tank 7 is moved outward, the outside of the fixed tank 8 opens wide, so that the maintenance work can be performed simply and easily. I can do it.

(g) Effects of the invention Since the invention is configured as described above, by combining the fixed tank 8 with the movable tank 7, the capacity of the grain tank A can be increased, and the amount of grain filled can be increased. When the machine is exhausted, the fixed tank 8 on the threshing device 1 is also filled to prevent the center of gravity of the machine from shifting to the side opposite to the threshing device 1 and tilting the machine to the side.
As a result, steering performance and sorting performance can be improved.

In addition, when servicing the grain tank A, the threshing device 1, and the transmission device between them, the fixed tank 8 should remain attached to the threshing device 1, and the entire movable tank 7 can be moved from the front-back dividing plane. The grain tank side of the threshing device 1 and the grain tank side of the threshing device 1 can be easily moved outwardly.
The transmission device extending from the front and back of the grain tank to the grain tank is almost completely opened, and maintenance and inspection of the threshing device 1 and the transmission device can be carried out extremely easily, safely, and quickly in a wide space. .

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Fig. 1 is a front view of the combine showing the state in which the movable tank has been moved laterally, Fig. 2 is a front view showing the state in which the movable tank is coupled to the fixed tank, and Fig. 3 is a plan cross-sectional view of the grain tank. Fig. 4 is a longitudinal cross-sectional view of the joint between the movable tank and the fixed tank, Fig. 5 is a perspective view of the same as above, Fig. 6 is a perspective view of the combine harvester, and Fig. 7 is a plan view of the transmission device of the grain tank. . 1... Threshing device, 3... Machine base, 7... Movable tank, 8... Fixed tank, 7a, 8a... Opening,
12...Fried grain slurry, 23...Fried grain tube, 34...
Grain detection sensor, 39...work light.

Claims (1)

[Scope of utility model registration request] In a combine harvester in which a threshing device 1 and a grain tank A are disposed on a machine stand 3, the grain tank A is located on the side of the threshing device 1 and is provided with a movable tank 7 that can be moved outwardly, and a movable tank 7 that is movable outwardly, and inside thereof. It consists of a fixed tank 8 constructed so as to face the upper part of the threshing device 1,
The opening provided at the upper part of the movable tank 7 on the side of the threshing device 1 and the opening on the outside of the fixed tank 8 are removably connected in the vertical direction, and their overlapping portions are communicated. Features a grain tank in a combine harvester.