JPH05260843A - Grading device of thresher - Google Patents

Abstract

PURPOSE:To realize the smooth grading operation of the grading device by detecting the threshing load state in a threshing chamber, judging the operation load of a vibration-grading section on the vibration-grading of threshing materials leaked from the threshing chamber, and suitably increasing the treating ability of the vibration-grading section on the basis of the judgment. CONSTITUTION:A carrier 16 for carrying treating materials leaked from a threshing chamber A in the rear direction along the treating material-carrying direction of the vibration-grading section 3 is disposed between the threshing chamber A and the vibration-grading section 3 over the whole length of the vibration-grading section 3 or over a range near thereto. When the threshing load of the threshing chamber A detected by a threshing load-detecting means S2 exceeds a prescribed value, the carrier 16 is operated by a control means 100 for controlling the operation of the carrier 16 on the basis of the information of the threshing load state of the threshing chamber A, and the carrying power of the carrier 16 is increased as the threshing load of the threshing chamber A is enlarged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a treatment of the swing sorting section between a handling chamber and a swing sorting section for transporting a processed substance leaking from the handling chamber to the rear while swing sorting. The present invention relates to a sorting device for a threshing device, in which a transporting device that transports the processed product rearward along the product transporting direction is arranged over the entire length of the rocking sorting portion or a range close to the entire length.

[0002]

2. Description of the Related Art The sorting device of the above threshing device is mounted on a combine, a harvester, etc., and its swing sorting part leaks from the handling room after the grain culms have been processed in the handling room. This is to sort grains and straw waste from the leaked waste while transferring the coming leaked waste to the rear, and the above-mentioned transport device transports the waste that has accumulated on the swing sorting section. By forcibly sending to the rear with force, the transfer force of the rocking sorting part is supplemented,
It is provided to perform a smoother swing selection operation.

[0003]

By the way, the conditions such as the type and amount of the harvested culms to be put into the handling room and the water content change variously. Therefore, the handling load in the handling room becomes large or small. Along with the change, the amount and state of the processed material leaking from the handling room after the culm culms are handled in the handling room also change variously. Therefore, for example, when the amount of grain culm input to the handling room is large and the handling load is large, the amount of leaked material is large, and in that case, the processing capacity of the swing sorting unit is insufficient. Therefore, there is a risk that the processed material will stay in the front side and a smooth sorting operation may not be performed, but if the amount of grain culm input to the handling room is small and the handling load is small, the leakage processing material is It is considered that the processing capacity of the oscillating sorting section can sufficiently cope with this. In addition, when the grain culm contains a large amount of water and the handling load becomes large, the leaked products also contain a large amount of water, so that the processed products solidify or the leaked processed products swing If the oscillating movement of the oscillating sorting unit is insufficient, the transfer force of the processed products to the rear is insufficient. Even in this case, the processed products stay in the front side and a smooth sorting action is achieved. There was a risk that it would not take place.

The present invention has been made in view of the above circumstances, and an object thereof is an operation at the time of swing selection of a processing object leaking from the handling room by detecting a handling load state in the handling room. The load is determined in advance, and the transfer device for compensating for the processed material transfer force of the swing sorting section is operated based on this determination so that the swing sorting processing capacity appropriately corresponds to the above load state. It is in.

[0005]

A first characteristic configuration of a sorting device for a threshing device according to the present invention is based on handling load detecting means for detecting a handling load state of the handling room, and information on the handling load detecting means. Control means for controlling the operation of the carrying device is provided, and the control means is configured to operate the carrying device when the handling load detected by the handling load detecting means exceeds a predetermined value. There is a point.

A second characteristic configuration is that the control means is
It is configured such that the greater the handling load detected by the handling load detection means, the greater the carrying force of the carrying device.

[0007]

According to the first characteristic construction of the present invention, when the handling load of the handling chamber increases to a predetermined value or more, the transfer device is operated to supplement the processed material transfer force to the rear side of the swing sorting section. As a result, even if the load at the time of swing sorting becomes large due to, for example, the amount of the processed material leaking from the handling chamber increasing, it does not stay in the front side of the swing sorting unit. It is forcibly conveyed to the rear, and a smooth swing sorting operation is performed on the processed objects in the swing sorting unit as a whole.
On the other hand, if the handling load of the handling room is small and is equal to or less than the predetermined value, the transport device does not operate, so that the transport device can be stopped except when necessary.

Further, according to the second characteristic configuration, as the handling load of the handling chamber is increased, the transporting force of the transporting device is increased. It is possible to appropriately cope with the increase in the operation load of the.

[0009]

Therefore, according to the first characteristic configuration of the present invention, the state of the material to be leaked from the handling chamber changes depending on the state of the harvested culm and the like, and the change causes the operating load of the rocking sorting section. When becomes large, the processing capacity of the swing selection section is reinforced, so that a smooth selection processing operation can be ensured and the driving energy can be saved.

According to the second characteristic configuration, when the operation load at the time of swing selection changes with the increase of the handling load of the handling room, the swing can be appropriately performed in response to the change of the magnitude. Since the processing capacity of the selection unit is reinforced, it is possible to realize a smooth selection processing operation in a more effective state.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a threshing device mounted on a combine will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, in the threshing device, a handling room A for accommodating a handling barrel 2 for handling and processing a harvested culm sandwiched and conveyed by a feed chain 1, and the handling room A. A sorting device B provided with a swinging and sorting unit 3 for transferring the leaking processed material to the rear while swinging and sorting, and a Karako 4 for blowing sorting air is provided, and further, the handling chamber A and the swinging and sorting. Part 3
The screw type conveying device 16 that conveys the processed product backward along the processing product transfer direction of the swing selecting unit 3 is provided on the side opposite to the side of the feed chain 1 between and. It is provided so as to be parallel to the swinging direction of the portion 3 and to extend over the entire length range thereof.

The power from the engine is transmitted to the rotary shaft of the handling cylinder 2 via a belt type transmission mechanism, and the handling shaft rotation for detecting the number of rotations of the handling cylinder 2 is provided on the rotation shaft portion. A number sensor S2 is installed. The handling load state of the handling room A changes depending on the conditions such as the amount of grain and water content in the handling room A, and when the handling load increases, the belt type transmission mechanism slips and the handling cylinder 2 moves. While the rotation speed decreases, the rotation speed of the handling cylinder 2 increases as the handling load decreases. Therefore, the handling cylinder rotation speed sensor S2 functions as a handling load detecting means for detecting the handling load state of the handling room A. Further, in the lower part of the handling chamber A, a catching net 5 for threshing threshing material is provided along the lower outer periphery of the handling barrel 2, and at the rear of the catching net 5, the handling net 5 is provided. Room A
A dust delivery port 6 is formed for discharging the threshed material remaining therein.

An electric motor M for rotatably driving the carrier device 16 is attached to the front end of the rotary shaft of the carrier device 16, and a spline key type shaft is attached to the rear end rotary shaft part 18. A car wash pump 17 can be attached via a transmission mechanism. Incidentally, the carrier device 1
The screw portion 6 is made of an elastic resin body such as urethane rubber and is configured to be detachable from the rotating shaft portion of the conveying device 16.

The rocking / sorting section 3 includes a Glen pan 7, a chaff sheave 8 and a Straw rack 9 which are sequentially arranged from the front to the rear, and below the chaff sheave 8 an auxiliary Glen pan. 10 and the Glensieve 11 are arranged in the front-rear direction in order, and their respective parts are fixed between a pair of left and right side plates 12 to form a flat box shape as a whole. An eccentric cam type oscillating mechanism (not shown) causes the entire sorting unit 3 to repeat an operating state in which it is lifted upward and moved backward and an operating state in which it is lowered downward and moved forward. .

In the lower part of the sorting apparatus B, the first item recovery section 13 for recovering the grain leaking from the Glen sieve 11 as the first item, the end of the Straw rack 9 and the Glen sieve 11 are provided. A second product recovery unit 14 for recovering a processed product (abbreviated as a second product in the following description) in which straw dust and the like and the grain are mixed which fall beyond the end portion and return it to the handling chamber A. And are provided. In the figure, 15
Is a thrower for returning the second item to the handling room A.

The chaff sheave 8 will be described below.
A plurality of strip-shaped members 8a juxtaposed in the processed material transfer direction (rightward in FIG. 1) are rotatably attached to the left and right side plates 12 with their upper ends serving as fulcrums. The lower end portion of the strip-shaped member 8a is integrally pushed and pulled by the operating rod in the front-back direction to change the interval (chaff opening) between adjacent strip plate-shaped members 8a so that the chaff sheave 8 It is configured so that the amount of grains falling to the auxiliary glen pan 10 and glen sieve 11 below can be adjusted.

A contact type sheave sensor S1 for detecting the thickness of the layer of the processed material on the rocking / sorting section 3, as shown in FIG. 1 and FIG. Is attached to. The sheave sensor S1 is composed of a downwardly facing sensor bar 21 provided so as to be swingable in the transfer direction of the processed object (direction of the handling cylinder axis), and a potentiometer PM whose resistance value changes according to the swing of the sensor bar 21. And is connected to a control device H using a microcomputer via a signal line L connected to the potentiometer PM. That is, the thicker the processed material layer on the rocking / sorting section 3 is, the larger the rocking angle at which the sensor bar 21 rocks in the processed material transfer direction is, and the resistance value of the potentiometer PM is increased. The signal voltage is input to the control device H. In addition, the sheave sensor S1
The detection of the thickness of the layer of the processed material is performed when the swing selection unit 3 is in an operating state in which the swing selection unit 3 is lifted upward.

As shown in FIG. 3, the control device H includes
Signals from the sheave sensor S1 and the handling cylinder rotation speed sensor S2 are input, and a potentiometer type attached to an eccentric cam shaft of the swing mechanism to detect the swing phase of the swing selection unit 3 is detected. The signal from the swing phase sensor S3 is input. Further, from the control device H,
A drive signal for the electric motor M is output.

Then, the control device H, based on the information from the swing phase sensor S3, only in the operating state in which the swing selecting section 3 is lifted upward and moved backward.
By driving the electric motor M, the conveying device 16 is configured to operate in accordance with the swing phase of the swing selecting section 3. Further, using the control device H, a control means 100 for controlling the operation of the carrying device 16 is configured based on the detection information of the handling cylinder rotation speed sensor S2. When the handling load detected by the number sensor S2 becomes a predetermined value or more, that is, when the rotation speed of the handling cylinder 2 becomes lower than the predetermined rotation speed due to a large amount of grain stalks being thrown into the handling room A or the like, The electric motor M is configured to be operated by driving the motor M, and the electric motor M is rotated at a high speed as the handling load increases, that is, the handling cylinder rotational speed decreases below a predetermined rotational speed. By doing so, the carrying force of the carrying device 16 is increased.

Next, the operation of the controller H will be described with reference to the flow chart shown in FIG. 4. First, the swing selecting section 3 is lifted upward by the detection information from the swing phase sensor S3. Whether or not it is in the swing position is detected, and when it is not in the upper swing position, driving of the electric motor M is stopped, while when it is in the upper swing position,
The rotation speed of the handling cylinder 2 is detected by the handling cylinder rotation speed sensor S2, and if the rotation speed is smaller than a predetermined rotation speed, the rotational driving of the electric motor M is stopped, while the rotation speed of the handling cylinder 2 is equal to or higher than the predetermined rotation speed. If so, the electric motor M is driven so as to rotate at a higher speed as the difference between the handling cylinder rotation speed and the predetermined rotation speed increases.

[Other Embodiments] In the above-described embodiment, the transport device 16 for transporting the processed product backward along the processed product transfer direction of the rocking / sorting unit 3 is parallel to the rocking direction of the rocking / sorting unit 3. However, it is not always necessary to make them parallel to each other. For example, the rear end of the machine body may be obliquely arranged outside the machine body, that is, on the side of the feed chain 1 at a gentle angle. .. Further, the installation range of the transport device 16 is not the entire range of the rocking / sorting unit 3 but the rocking / sorting unit 3
May be arranged over a range close to the entire length of the chamfer, such as the range from the Glen pan 7 to near the rear end position of the chaff sheave 8.

In the above embodiment, the conveying device 16 is of screw type, and the outer diameter of the screw blade is the same in the entire range from the front side to the rear side. The outer diameter may be increased so that the diameter becomes smaller toward the rear. Further, the transport mechanism is not limited to the screw type, and a mechanism other than this may be used.

Further, in the above embodiment, the rotation speed sensor provided on the rotary shaft of the handling cylinder 2 is used as the handling load detecting means S2 for detecting the handling load state of the handling room, but the present invention is not limited to this.
For example, the amount of grain culm in the handling room A may be detected by a contact sensor or the like.

In the above embodiment, the handling load detecting means S
When the handling load detected by 2 exceeds a predetermined value,
The rotation speed of the electric motor M is increased in accordance with the increase in the handling load to increase the carrying force of the carrying device 16. However, if the handling load becomes equal to or more than a predetermined value without doing so, the carrying device 16 It may be driven at a constant rotation speed that is set in advance under the condition that the conveyance force is allowed.

In the above embodiment, the swing phase sensor S3 is used.
Although the configuration is such that the electric motor M is driven to operate the transport device 16 only when the swing position of the swing sorting unit 3 detected by the swing position is the upper side position. Regardless, the electric motor M is always driven to convey the conveyance device 1
It is also possible to activate 6.

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional side view of a threshing device.

FIG. 2 is a vertical front view of the upper part of the threshing device.

FIG. 3 is a block diagram of a control configuration.

FIG. 4 is a flowchart of control operation.

[Explanation of symbols]

 A handling room S2 handling load detection means 3 swing selection section 16 transfer device 100 control means

Claims (2)

[Claims] 1. The swing sorting is provided between a handling chamber (A) and a swing sorting section (3) for transferring a processed substance leaking from the handling chamber (A) to the rear while swing sorting. A transfer device (1) for transferring the processed product rearward along the processed product transfer direction of the section (3).
6) is a thresher sorting device arranged over the entire length of the swing sorting part (16) or a range close to the entire length, and the handling load for detecting the handling load state of the handling chamber (A). A detection means (S2) and a control means (100) for controlling the operation of the transfer device (16) based on the information of the handling load detection means (S2) are provided, and the control means (100) is Handling load detection means (S
A sorting device for a threshing device configured to operate the transfer device (16) when the handling load detected by 2) becomes a predetermined value or more. 2. The threshing device sorting device according to claim 1, wherein the control means (100) includes the handling load detection means (S).
A threshing device sorting device configured to increase the carrying force of the carrying device (16) as the handling load detected by 2) increases.