JPH0741321Y2 - Combine with grain tank - Google Patents

Description

[Detailed Description of the Invention] (a) Industrial field of application The present invention performs the work while filling the grain tank obtained by cutting and threshing, and when the grain tank is full,
The present invention relates to a combine with a grain tank for discharging the grain in the grain tank to a transportation vehicle or the like.

(B) Prior art Conventionally, in a combine harvester in which a grain rod cut by a harvesting device is threshed by a threshing device, and the grain that has been pumped by a lifting barrel of the threshing device is put into a grain tank, Attaching a means for expanding or contracting the leakage area of the first sieve sorting section to the swinging sorting body of the threshing device according to the type of grain, for example, grain surface roughness is small like wheat and leakage If the amount of grain is relatively small with respect to the amount of straw waste, the leakage area is reduced, and the grain surface roughness is large like rice, making it difficult to leak and When there is a lot of threshing, the leakage area is enlarged, or a threshing device is attached to change the rotation speed of the handling cylinder to high speed for rice and low speed for wheat. The device is already known.

It is also already known that during work, a full warning sensor is installed slightly below the full sensor in the grain tank, and the amount of work that can be done before full is predicted by an alarm issued by the detection signal. ing.

Further, there is already known one in which the engine is stopped when the full sensor detects a grain.

(C) Problems to be solved by the invention In the known combine with grain tank, since the mounting position of the full notice sensor was constant, the full notice sensor has a small surface roughness like wheat grains. If you install it at a height suitable for a small angle of repose, when the full warning sensor is in the detection state in the case of a grain with a large angle of repose such as rice, the grain is filled more than expected and then The work time or distance that can be achieved is less than expected, which may damage the grain tank or the fried helix, and the engine stops when the full sensor detects the grain in order to solve such problems. In the case of doing so, it becomes impossible to travel during the work.

On the contrary, if the full warning sensor is set low enough for rice, when wheat is cut and threshed, a warning warning will be issued when the filling amount is low, and the work of fully utilizing the capacity of the grain tank should be performed. I couldn't.

Further, an operation of expanding or contracting the leaking area of the first sieve selecting section of the swing selecting body of the threshing device, an operation of changing the rotation speed of the handling cylinder, or a changing of the rotation speed of the wind turbine forming the selection air passage. Since the operations to be performed had to be performed separately, the work efficiency was low and cumbersome.

(D) Means for Solving the Problems The present invention has a threshing device and a grain tank provided on a machine base having a traveling device, and the threshing device is provided with a means for expanding / contracting the leaking area of the first sieve sorting unit. In a combine equipped with adjusting means such as gear shifting means of a threshing device, a full notice sensor is attached in the grain tank so that the full notice sensor can be moved up and down, and the full notice sensor can be adjusted according to the size of the repose angle of the grain. By connecting the book operation lever so that it can move up and down and adjusting the adjusting means in conjunction with the operation of the operation lever, it is possible to detect an appropriate full advance notice regardless of the type of grain. In order to solve the above-mentioned problems, the detection position of the full notice sensor and the operating means of the threshing device can be performed at the same time.

(E) Action When cutting and threshing rice, if the operating lever is operated to one side and the full advance notice sensor is moved to the rice position, the expansion / contraction means of the first sieve selection part of the rocking sorter interlocks with it and the leaking area When the operation lever is linked to the speed changing means of the threshing device, the threshing device is shifted at high speed, and the handling cylinder or the wind turbine rotates at high speed.

When the mowing threshing work is performed in this state, in the first sieve sorting section of the threshing device, the grains efficiently leak out of the object to be sorted containing a large amount of grains, and when the handling cylinder rotates at high speed. The threshing treatment capacity is enhanced, and the sorting wind becomes stronger when the wind turbine is rotated at high speed. In the grain tank, the full warning sensor goes into the detection state when the grain accumulation surface on the inner surface is low,
Since an alarm device such as an alarm lamp or an alarm buzzer is activated, the driver assumes the amount of work thereafter, and suspends the work at an appropriate position for work to discharge the grain.

When the operating lever is operated to the other side when cutting and threshing wheat, the leaking area of the first sieve sorting part of the swing sorting body is reduced and at the same time the full notice sensor moves to the wheat detecting position. If mowing and threshing is performed in this state, sieve selection can be performed in the first sieve selection section of the swing sorting body while suppressing the mixture of straw and the like into the grain most, and sedimentation is performed in the grain tank. Since the angle of repose of the grain is small, the grain easily reaches the inner surface of the grain tank, and the full notice sensor detects it, so that the detection time is not delayed. When the operating lever is linked to the speed changing means of the threshing device, the threshing device is shifted at a low speed, and the handling cylinder or the wind turbine rotates at a low speed.

(F) Embodiments An embodiment of the present invention will be described with reference to the drawings. 1 is a threshing device mounted on one side of a machine base having a traveling device 2, and a cutting device and a cutting grain rod are threshed in front of the threshing device. A pretreatment device 3 including a grain rod conveying device to be supplied to the device 1 is mounted so as to be able to move up and down, a straw treatment device 5 such as a cutter or a knotter is attached to the rear portion, and the grain is provided on the other side of the machine base. A grain tank 6 is provided, and an operating unit 7 is provided in the front portion thereof.

Although not shown, the sorting unit of the threshing apparatus 1 is similar to the conventional one, and a swinging sorting body swinging back and forth is installed in the sorting air passage extending from the lower part of the handling chamber to the rear dust sorting unit. A means for expanding and contracting the leaked area is attached to the first sieve sorting part of the rocking sorting body, and the grains that have leaked from the first sieve sorting part and dropped into the first trough are transferred spirally. Is transferred to the grain tank 6 side by the feeding spiral in the fried grain cylinder 4 and feeds it into the grain tank 6.

A cutout window 8 is formed on the side wall of the grain tank 6, and a pair of guide rails 9, 9 having a U-shaped cross section is fixed to the side edges of the cutout window 8 in the vertical direction. A receiving plate 10 is fixed to the upper edge of the window 8, and a pressure-sensitive full warning sensor 12 is attached to a mounting plate 11 fitted in the guide rails 9 and 9 so as to be vertically movable. A full sensor 13 linked to automatic control is installed. And when the full notice sensor 12 detects a grain, an alarm device such as an alarm lamp or an alarm buzzer operates, and when the full sensor 13 detects a grain and outputs a full signal, the engine comes to stop. There is.

Further, the operation wire 16 connected to the rear end side of the fulcrum of the operation lever 15 provided in the vicinity of the operation unit 7 is connected to the mounting plate 11, and the operation wire 17 connected to the hand side of the fulcrum is the above-described rocking. It is connected to the expansion / contraction means of the leaking area of the first sieve sorting section of the dynamic sorting body. Reference numeral 18 in the drawing is a return spring.

When harvesting and threshing rice with the above-mentioned combine, when the grip of the operating lever 15 is pulled up as shown by the solid line in FIG. 1, the operating wire 16 is relaxed and the full warning sensor 12 and the mounting plate 11 are The return spring 18 pulls it down to the rice position, and on the other hand, the operation wire 17 is pulled so that the expansion / reduction means of the leakage area of the most sieve sorting part of the swing sorting body retracts from the most sieve sorting part or pulls down appropriately. As a result, the leakage area is expanded, and the speed changing means of the threshing device is interlockedly adjusted, so that the threshing device is shifted at high speed.

When mowing and threshing are performed in this state, the grain is efficiently leaked in the first sieve sorting section of the swing sorting body, the handling cylinder rotates at high speed to perform threshing processing with high efficiency, and the blower also rotates at high speed. As a result, the sorting wind becomes strong, and the grain is accumulated in the grain tank 6 by continuing the work, and an alarm is issued when the accumulation surface is detected by the full notice sensor 12. There, the driver knows the approximate time or distance at which he can continue working,
Continue the work in consideration of the current position in the field and other working conditions, move the machine to the carrier parked on the road before the full sensor 13 is detected, and tilt the grain discharging auger 14 diagonally. At the same time, it is turned upside down and turned to discharge and discharge the grains to the bed of the carrier.

Further, in the case of cutting and threshing wheat, when the operation lever 15 is tilted to the position shown by the chain line, the full notice sensor 15 is pulled up and set at the wheat position, and the expansion / contraction means for the most sieve screening section leakage area is one. The leakage area is reduced by advancing to the No. sieve screening unit, the shifting means of the threshing device is interlocked and adjusted so that the threshing device operates at low speed, the handling cylinder rotates at low speed, and the blower also rotates at low speed. The sorting wind becomes weak. Further, in the grain tank 6, the grain angle of repose of the wheat grains is smaller than that of the rice grains, but the full warning sensor 12 detects the grains after the filling amount becomes appropriate, so the work is interrupted abnormally quickly. You can work efficiently without doing.

In addition, when cutting and threshing a high-moisture-length grain rod such as a wet or laid-over grain rod, the amount of objects to be sorted is small because of low efficiency, and the layer in the most sieve sorting part is thin. Therefore, the leakage area is narrowed, and the angle of repose of grains is larger than that of well-dried ones, so the same tendency as for rice is adjusted. However, the degree is selected according to the operation angle of the operation lever 15.

In the grain tank 6 described above, the means for throwing and filling the grain is to attach a throwing blade 21 to the upper end of the lifting spiral shaft 20 of the lifting cylinder 4 and open it while expanding it toward the inside of the grain tank 6. Since it is covered with the casing 22, the throwing amount is large on the splashing side and small on the other side, so that the accumulation height in the grain tank 6 becomes uneven.

FIGS. 5 to 6 show an example in which the above-mentioned problems are solved to improve the detection accuracy described above and the grain tank 6 is effectively used, and the discharge direction is provided near the popping side of the casing 22. The adjusting plate 23 is attached to a rotatable shaft 25, an arm 26 is fixed to the upper end of the shaft 25, and a drive claw 28 is attached to a chain 27 that drives the straw conveying device. Rotatably supports an operating arm 30 that enters the movement path of the drive pawl 28, connects the other end of the operating arm 30 and the arm 26 with a wire 31, and returns the spring to the arm 26.
It is linked and linked by attaching. 33 is a stopper of the discharge direction adjusting plate 23 provided on the lower surface of the top plate of the grain tank 6.

During the cutting and threshing work, the grains fed by the frying tube 4 are thrown into the grain tank 6 by the throwing blades 21. At this time, the driving direction of the discharge direction adjusting plate 23 is adjusted by the driving claw 28.
Each time it is pushed, the position indicated by the solid line and the position indicated by the chain line are reciprocally rotated, whereby the grain can be uniformly introduced.

FIG. 7 shows another example of the discharge direction adjusting device. In this example, the grain tank 6 is provided from the vicinity of the popping side of the casing 22.
When the plate surface of the rotary blade faces the throwing direction by projecting the rotary impeller 35 which has a small receding angle with respect to the throwing direction X and is driven by the motor 34, the throwing direction is the direction of the rotation axis. Is to be converted to.

In the example shown in FIGS. 8 to 9, the top plate 36 of the grain tank 6 is provided with a groove 37 having a small receding angle with respect to the grain throwing direction X,
A shaft 39 driven by a motor 38 provided on the top plate 36.
A semi-circular adjustment plate 39 is attached to a, and when the motor 38 is driven, the adjustment plate 39 is moved to the groove 37.
Since it goes into and out of the grain tank 6, the charging direction is intermittently converted into the X direction and the Y direction, and the charging amounts are averaged.

(G) Effect of the invention Since the invention of the present application is configured as described above, the full notice sensor 12 can be vertically moved and adjusted according to the type or property of the grain to accurately detect the appropriate full notice time, thereby eliminating waste. No reaping threshing work can be done reasonably.

Further, the up / down movement adjustment of the full notice sensor 12 and the adjustment means of the threshing device 1 can be simultaneously performed so as to suit the type of grain, so that the work efficiency can be improved.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a sectional view of a part of a grain tank and an operating portion, FIG. 2 is a perspective view of a full warning sensor mounting portion, and FIG. 3 is a combine harvester. Fig. 4 is a front view of the upper part of the grain tank, Fig. 5 is a perspective view of the discharge direction adjusting device, Fig. 6 is a plan view of the same as above, Fig. 7 is a plan sectional view of another example of the above, FIG. 8 is a plan view in which a part of another example of the above is cut away, and FIG. 9 is a sectional view taken along the line KK of FIG. 1 ... Threshing device, 4 ... Lifting barrel, 6 ... Grain tank, 11
…… Mounting plate, 12 …… Full notice sensor, 13 …… Full sensor, 15 …… Control lever, 16,17 …… Control wire

Claims (1)

[Scope of utility model registration request] 1. A threshing device 1 is mounted on a machine platform having a traveling device 2.
And a grain tank 6 are provided side by side, and the threshing device 1 is provided with an adjusting means such as a means for expanding and reducing the leaking area of the first sieve sorting part and a speed changing means of the threshing device 1 in the grain tank 6 Further, a full notice sensor 12 is attached so that it can be moved up and down, and the full notice sensor 12 is connected by a single operation lever 15 so as to be movable up and down according to the angle of repose of the grain. The combine with grain tank, wherein the adjusting means is adjusted in association with the operation of.