JPH0475534A - Combine - Google Patents

Abstract

PURPOSE:To improve efficiency of safety of grain discharging operation and to simplify structure by installing a control means which drives a driving means to a set rotation position of an automatic operation means based on one operation of left and right rotation operation positions of manual operation means in an actuation state of an automatic operation state. CONSTITUTION:A rotation position of an auger 15 is fixed by a bar of a rotation angle setting device 32 and an automatic starting switch 33 is switched on. When an operation switch 31 is raised to a right rotation position, the auger 15 is raised by a lift 21. When an upper limit switch is switched on, the rising is stopped and the auger is transferred to right rotation by a revolving device 16. When a set angle of a rotation angle setting device 32 is coincident with a detected angle of a potentiometer, the auger stops the rotation and positioned in the rotation position. On the other hand, when the automatic starting switch 33 is switched on and the operation switch 31 is determined in a left rotation position, the auger 15 is simultaneously raised and rotated left and when the upper limit is switched on, the auger stops rising. When the set angle is coincident with the detected angle, the auger stops rotation and determined in the rotation position.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a grain discharge device in a combine harvester, and more particularly to a rotation control device for an auger that discharges grain from a grain tank.

(b) Conventional technology In general, a combine harvester equipped with a grain tank threshes the grains harvested in the reaping section with an automatic threshing device, and further stores the threshed grains in the grain tank. When the grain tank is full or after the reaping work is completed, rotate the auger of the grain discharge device, position the grain discharge port at the tip of the auger on the loading platform of a truck, etc., and discharge the grains in the grain tank. are doing. The auger is manually tilted upward to a predetermined angle and then swiveled to a predetermined position, or a predetermined swivel position is set and the swivel is automatically controlled to the set position.

(c) Problems to be Solved by the Invention By the way, as mentioned above, the combine harvester in which the auger automatically turns can easily stop the auger automatically.
All of the augers rotate in one direction, and as the rotation angle of the auger increases, the time required for the rotation increases.

Therefore, the present invention is configured so that the operator can easily select the direction of automatic rotation of the auger by judging various conditions, and also simplifies the structure without requiring a special rotation direction setting means. The object of the present invention is to provide an auger control device for a combine harvester.

(d) Means for Solving the Problems The present invention has been made in view of the above-mentioned circumstances, and as shown in FIGS. 1, 2, and 3, the In a combine harvester (1) comprising an auger (15) configured to be freely swingable and discharging grains from a grain tank (6), the auger (15)
drive means (16
, 21), and a manual operation for driving the drive means (16, 21) in the respective directions of the auger (15) by manual operation to these four positions, including left and right turning operations and lifting and lowering. means (31), automatic operating means (32) for setting the pivoting position of said auger (15), and switching means (33) for switching said automatic operating means (32) into an operating state.
), and an automatic operation means (32) by the switching means (33).
), the automatic operating means (
32), a control means (41) for driving to the set turning position.

(1) Based on the above-described configuration, the operator operates the automatic operation means (32
) sets the turning position of the auger (15), and the switching means (33) switches the automatic operating means (32) into the operating state. Then, the operator
) and various conditions such as the stop position and obstacles, and select the left turning operation position by the manual operation means (31), the control means (41) or the drive means (16, 21) is driven and controlled. , the auger (15) turns to the left and moves to the set turning position.

On the other hand, when the operator selects the right turning operation position using the manual operation means (31), the auger (15) turns right by driving and controlling the control means (41) or the driving means (16, 21). Move to the set rotation position.

(v) As described in detail, according to the present invention, an operator can operate an auger (15 ) is selected, the turning time of the auger (15) can be shortened, and the efficiency of grain discharge work can be improved.

Furthermore, since the operator makes a decision taking into account the conditions of obstacles, etc., it is possible to avoid the risk of the auger (15) colliding with obstacles, etc. in advance, thereby improving safety.

Further, although the turning direction of the auger (15) is set by the operator, it is set by the manual operating means (31), so no special setting means is required, and the structure can be simplified.

Note that the symbols in parentheses are used to refer to the drawings and do not limit the structure in any way.

(g) Examples Examples of the present invention will be described below with reference to the drawings.

As shown in FIGS. 3 and 4, the combine 1 has a body 3 supported by a crawler 2.
A driver's seat 5, a grain tank 6, and an engine are arranged from the front on one side of the vehicle. Furthermore, a preprocessing section 7 is supported at the front of the fuselage 3 so as to be movable up and down, and a large number of dividers 9 are disposed in the preprocessing section 7 over the entire length of the fuselage. Further, an operation console 10 is installed upright in front of the driver's seat 5, and a driver's seat 11 is installed behind it. Furthermore, a grain discharge device 12 for discharging the grains in the grain tank 6 is disposed at the rear of the machine body 3, and the grain discharge device 12 is equipped with a grain lifting cylinder 13 that houses a vertical feeding spiral. It is equipped with an auger 15 that houses a transverse feed spiral.

Further, as shown in FIG. 2, a turning device 16 for rotating the grain lifting cylinder 13 is installed on the upper outer circumference of the grain lifting cylinder 13. The turning device 16 includes a turning member 17 integrally provided on the outer periphery of the grain lifting cylinder 13, a gear portion 19 for turning the turning member 17, and a motor 20 connected to the gear portion 19. Then, the rotation is caused by gear part 1.
9, and the rotating member 17 is configured to be rotated by the gear portion 19.

Further, the base end portion of the auger 15 is connected and communicated with the upper part of the rotating member 17 so as to be able to rotate upward, and the tip thereof serves as a grain discharge port 15a.

An elevating device 21 is installed at a connecting portion between the rotating member 17 and the auger 15. The lifting device 21 includes an auger 15
It consists of an arm 22 rotatably attached to one end and one end of the rotating member 17, and a hydraulic cylinder 23, and one end of the hydraulic cylinder 23 is rotatably attached to the arm 22 via a pin. , the other end is rotatably attached to the pivoting member 17 via a pin 25. Then, when the hydraulic cylinder 23 is actuated by hydraulic pressure, the arm 2
2 rotates upward, and the auger 15 also rotates upward. Furthermore, a pedestal 26 is provided at the storage position of the auger 15.

Further, as shown in FIG. 1, the driver's seat 5 is provided with an operation switch 31, a turning angle setting device 32 for the auger 15, and an automatic start switch 33. The operation switch 31 is configured to raise the auger 15 by tilting the operation switch 31 in the six directions of arrows.
When tilted in the direction, the auger 15 will descend. Lowering operation switch 3
1b), when tilted in the direction of arrow C, the auger 15 turns to the left (left rotation operation switch 31c), and when tilted in the direction of arrow C, the auger 15 turns to the right (right rotation operation switch 31d). A bar 32a indicating the auger rotation position (discharge level) is rotatably attached to the rotation angle setting device 32 about a pin 32b, and the auger rotation angle is set by rotating the bar 32a. .

When the automatic start switch 33 is pressed and the left rotation operation switch 31c or the right rotation operation switch 31d is operated at the time of starting the grain discharge operation, the rotation position is set in the operation direction by the rotation angle setting device 32. Auger 15
is configured to rotate and stop.

In addition, as shown in FIG. 5, the position detection value of the auger 15 (
A potentiometer 36 that measures the detection angle Y), an upper limit switch 37 that detects that the auger 15 has risen to the upper limit position, a swing storage switch 39 that detects that the auger 15 is in the storage position, and a rotary storage switch 39 that detects that the auger 15 has lowered to the storage position. A storage switch 40 is provided to detect this.
The operation switch 31 is composed of a raise operation switch 31a for the auger 15, a lower operation switch 31b, a left turn operation switch 31c, and a right turn operation switch 31d. the potentiometer 36, the upper limit switch 37,
Signals from the swing storage switch 39, storage switch 40, operation switch 31, swing angle setting device 32, and automatic start switch 33 are input to and controlled by the CPU 41.

Further, the output from the CPU 41 operates the solenoid valve 42 and the hydraulic cylinder 23 to raise the auger 15.
3 to lower the auger 15. Furthermore, the CPU
The motor 20 is rotated forward or backward by the output from the motor 41, and the auger 15 is rotated to the right or to the left via the gear portion 19 and the rotation member 17.

Next, the operation of this embodiment having the above-mentioned configuration will be explained in the sixth section.
This will be explained based on the flowcharts shown in FIGS. 7 and 8.

First, when the rotation angle of the auger 15 is set using the rotation angle setting device 32 (hereinafter referred to as setting angle X), as shown in FIG. If the flag is 50 or 0, it is determined whether or not the rotation storage switch 39 is ON (S2), and if the discharge flag is 50 or 1, discharge control (S6), which will be described later, is performed.
). When the rotation storage switch 39 is ON, it is determined whether the automatic start switch 33 is also ON (
In S3), if the rotation storage switch 39 is OFF, the process moves to return (S8) and returns to step 1. If the automatic start switch 33 is ON, it is determined whether it is the operation switch 31 (S4), and if the automatic start switch 33 is OFF, the process moves to recovery (S8) and returns to step 1.

When the operation switch 31 is in the right rotation position (right rotation operation switch 31d), the rotation flag 51 becomes 1 (
S5) If the transition is to discharge control (S6) and the operation switch 31 is in the left turn position (left turn operation switch 31
In C), the turning flag 51 is set to 2 (S7), the state has shifted to the discharge control (S6), and the operation switch 31 is turned OFF.
In this case, the process moves to recovery (S8) and returns to step 1.

Furthermore, as shown in FIG. 7, in the discharge control (S6), it is determined whether the turning flag 51 is detected (S9), and the turning flag 51 is
is 1, that is, the right turn (driver's seat 5 directions), it is determined whether there is a manual turn left operation by the left turn operation switch 31C (510), and if there is a manual turn left operation, the discharge flag 50 is becomes 2 (Sll), and the process moves to return (S8) and returns to step 1. If there is no manual turning left operation, it is determined whether the upper limit switch 37 is ON or not (S12).
, when the upper limit switch 37 is OFF, the auger 15 is raised (S13), moves to recovery (S8) and returns to step 1, and when the upper limit switch 37 is turned ON, it stops rising and returns to the set angle The difference between and the detection angle Y is determined (
S14).

If set angle It stops rotating and is positioned at the turning position, and the discharge flag 50 becomes 2 (S16), and the process moves to return (S8) and returns to step 1.

On the other hand, by determining the turning flag 51 in step 9,
If the turning flag 51 or 2 indicates a left turn, it is determined whether the upper limit switch 37 is ON (S17). When the upper limit switch 37 is OFF, the auger 15 is raised (S18), and the difference between the set angle X and the detected angle Y is determined (S19), and if the set angle X is less than the detected angle Y,
The auger 15 is made to turn to the left (S20), and therefore rises and turns to the left at the same time, moves to return (S8), and returns to step 1. Then, when the upper limit switch 37 is turned on, the ascent is stopped, and when the set angle The process moves to (S8) and returns to step 1.

Next, when the auger 15 is in the rotating position, the discharge flag 50 is set to 2, so as shown in FIG.
By determining the discharge flag 50 in step 1, if the discharge flag is 50 or 2, it is determined whether the storage flag is 52 (
S22). If the storage flag is 52 or 0, it is determined whether the automatic start switch 33 is ON or not (523), and if the storage flag is 52 or 1, storage control (S2) described later is performed.
8). If the automatic start switch 33 is ON, it is determined whether it is the operation switch 31 (S24), and if the automatic start switch 33 is OFF, the return (8
8) and return to step 1. Operation switch 31
is in the right turning operation position (right turning operation switch 31d), it is determined whether the turning flag 51 is 2 (3
25), when the operating switch 31 is in the left turning operating position (left turning operating switch 31c), it is determined whether the turning flag 51 is 1 (S26), and the operating switch 31 is set to O.
In the case of FF, the process moves to recovery (S8) and returns to step 1.

Then, in step 25, when the turning flag 51 is 2, the storage flag 52 becomes 1 (S27) and the process moves to storage control (328), and when the turning flag 51 is not 2, the auger 15 was made to turn right (S29)
, the process moves to return (S8) and returns to step 1. That is, if you select to automatically move to the swivel position by turning left and move to the stowed position by turning right using the operation switch 31, it will automatically turn to the right and move to the stowed position, or if the other operation switch 3
The right turning operation in step 1 is a manual right turning operation. Step 2
In step 6, if the turning flag 51 is 1, the process moves to step 27, where the storage flag 52 becomes 1, and the process moves to storage control (S28). If the turning flag 51 is not 1, the auger 15 was forced to turn left (S30)
The process moves to recovery (S8) and returns to step 1. That is, if the operation switch 31 is selected to automatically move to the turning position by turning to the right and move to the storage position by turning to the left, the operation switch 3 will automatically turn to the left and move to the storage position.
The left turning operation No. 1 is a manual left turning operation.

As shown in FIG. 8, in the retraction control (S28), it is determined whether the turning flag 51 is present (S31), and if the turning flag 51 is 1, that is, the left turning retraction (driver's seat 5 direction), the right turning It is determined whether there is a manual turning left operation using the turning operation switch 31d (S32), and if there is a manual turning left operation, the storage flag 52 becomes 0 (S33) and the return is made (S8
) and return to step 1. If there is no manual turning left operation, it is determined whether there is a return flag 53 (S34),
If the return flag 53 is O, the upper limit switch 37
It is determined whether or not the upper limit switch 37 is ON (S35).
is OFF, the auger 15 is raised (S3
6), the process moves to return (S8) and goes to step 1, and when the upper limit switch 37 turns on, the rising stops, the return flag 53 becomes 1 (337), and the process moves to return (S8) and goes to step l. Return to

Furthermore, when the return flag 53 is determined to be 1 in step 34, it is determined whether or not the swing storage switch 39 is ON (S38). When the rotation storage switch 39 is OFF, the auger 15 is rotated to the left (S39), moves to return (S8) and returns to step 1, and when the rotation storage switch 39 is turned ON, the auger 15 stops rotating to the left. It is determined whether the storage switch 40 is ON or not (S40). When the storage switch 4o is OFF, the auger 15 is lowered (S41) and returned (S8).
) and return to step 1, and the storage switch 40 is set to O.
When N is reached, the descent is stopped, all flags are cleared (S42), and the process moves to return (S8) to return to step 1.

On the other hand, as a result of the determination of the turning flag 51 in step 31, if the turning flag 51 is 51 or 2, that is, in the case of right turn retraction, it is determined whether or not there is a manual turning left operation by the left turning operation switch 31c (S43), and manual turning is performed. If there is a left-hand operation,
The storage flag 52 becomes 0 (S44), and the process moves to return (S8) and returns to step 1. If there is no manual operation, the return flag 53 is determined (S45), and the return flag 53 is set to 0. In this case, the upper limit switch 37 or O
It is determined whether it is N or not (S46). When the upper limit switch 37 is OFF, the auger 15 is raised (S47).
), the process moves to return (S8) and returns to step 1, and when the upper limit switch 37 is turned on, the rising is stopped and the return flag 53 becomes 1 (348), and the process moves to return (S8) and returns to step 1.

When the return flag 53 is determined to be 1 in step 45, it is determined whether the swing storage switch 39 is turned on or not (34.9).

If the rotation storage switch 39 is OFF, the auger 15
is turned to the right (S50), and the storage switch 40 or O
It is determined whether or not it is N (S51), and if the storage switch 4o is OFF, the auger 15 is lowered (S52).
), therefore, turn right and descend at the same time and return (S8)
and return to step 1. When the rotation storage switch 39 is turned ON, the right rotation is stopped and the storage switch 4 is turned on.
When 0 turns ON, the descent is stopped, all flags are cleared (353), and the process moves to return (S8) to step 1.
Return to

Therefore, when starting grain discharge work, the turning position of the auger 15 is set using the bar 32a of the turning angle setting device 32, the automatic start switch 33 is turned on, and the operating switch 31 is turned on.
When the is turned to the right (driver's seat in 5 directions), the auger 1
5 is raised by the lifting device 21, and the upper limit switch 37 or O
When it reaches N, the ascent is stopped, and the turning device 16 moves to the right turn. When the set angle It is positioned at Il (ejection position).

On the other hand, when the automatic start switch 33 is turned ON and the operation switch 31 is set to the left turning position, the auger 15 simultaneously ascends and turns left, and when the upper limit switch 37 is turned ON, it stops rising and the set angle When the detected angles Y match, the rotation is stopped and the robot is positioned at the rotation position (discharge position).

After properly positioning the grain discharge port 15a of the auger 15 on the loading platform of a truck or the like, the grain discharge operation is started by driving the discharge device. Then, the grains sent from inside the grain tank 6 to the vertical feed spiral of the shell tube 13 are transferred to the auger 15.
The grains are fed along with the cross-feeding spiral, and further sent to the grain discharge port 15a by the cross-feed spiral, and discharged from the grain discharge port 15a onto the loading platform. When the grain discharge is completed, the drive of the discharge device is stopped.

Furthermore, after the grain discharge operation is completed, the automatic start switch 33 is activated.
is turned on, and when the operation switch 31 is moved to the turning position, right turning is selected and left turning is retracted (driver's seat in 5 directions).
is selected, the auger 15 rises, and when the upper limit switch 3γ is turned on, it stops rising, moves to the left, and
When the swivel storage switch 39 is turned on, the rotation is stopped and the object moves downward, and when the storage switch 40 is turned on, the movement is stopped and the object is stored on the pedestal 26.

On the other hand, when the automatic start switch 33 is turned ON and the operation switch 31 is used to move to the rotation position and select left turn and right turn storage, the auger 15 rises and the upper limit switch 37 is turned ON. Then it stops rising,
Turn to the right and descend at the same time, and press the turn storage switch 39 or O.
When it becomes N, the rotation is stopped, and when the storage switch 40 is turned on, it stops descending and is stored on the pedestal 26.

In addition, the operator selects the optimal turning direction of the auger 15 using the operation switch 31, taking into account various conditions such as the stop position of the combine harvester 1 and obstacles, and automatically turns the auger 15 to the turning position. , the turning time of the auger 15 can be shortened, and the grain discharge operation can be performed efficiently.

Furthermore, in the past, the auger 15 was raised to the upper limit to ensure the operator's safety before turning, but in this embodiment, the automatic start switch 33 is turned ON and the operation switch 31 is used to turn the auger 15 to the right or left. If you select , the auger 15 will rise to the upper limit position and then turn to the right when turning to the right (toward the driver's seat 5), and will simultaneously rise and turn to the left when turning to the left. The turning time can be further shortened.

Further, when the automatic start switch 33 is turned on and a right turn (driver's seat 5 directions) is selected with the operation switch 31, the auger 15 rises to the upper limit position and then turns to the right.
Control switch 31 to turn the left rotation circuit (driver's seat 5 directions)
If you select , the auger 15 will not collide with the operator because it will ascend to the upper limit position and then turn to the left, ensuring the safety of the operator.

Furthermore, since the judgment is made taking into account the conditions of the operator or obstacles, it is possible to avoid the danger of the auger 15 colliding with obstacles, etc., thereby improving safety.

In this embodiment, even if the automatic start switch 33 is not provided, the automatic start is turned on when the bar 32a of the turning angle setting device 32 is rotated from the storage position to the position indicating the turning position. You can also do that.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the operating section according to the present invention, Fig. 2 is a perspective view of main parts showing the lifting shell tube and auger portion, Fig. 3 is a plan view of a combine harvester to which the present invention is applied, and Fig. 4 is the same. Side view,
5 is an electric circuit diagram according to the present invention, FIG. 6 is a flowchart according to the present invention, FIG. 7 is a subroutine for the discharge control portion of FIG. 6, and FIG. 8 is a subroutine for the storage control portion of FIG. 6. 1... Combine harvester 6... Glen tank 15.
... Auger 16 ... Drive means (swivel device)
21... Drive means (elevating device) 31-... Manual operation means (operation switch) 32... Automatic operation means (swing angle setter) 33... Switching means (automatic start switch), 41... Control means (CPU)

Claims (1)

[Scope of Claims] 1. A combine harvester equipped with an auger that is configured to be tilted up and down at a predetermined angle and can be driven to rotate freely, and that discharges grains from a grain tank, in which the auger is driven in the up and down direction and in the left and right rotation directions. a driving means; a manual operating means having four positions, ie, left and right turning operations and lifting and lowering, and for driving the driving means in respective corresponding directions by manual operation to these four positions; an automatic operating means for setting the automatic operating means; a switching means for switching the automatic operating means to an operating state; and a switching means for switching the automatic operating means to an operating state; , a control means for driving the drive means in the operation direction to a set turning position of the automatic operation means.