JP3410532B2 - Combine control unit - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handling room for a high-cut short culm.
This is related to the control device of the combine which puts all culms into the culm.
You. 2. Description of the Related Art In general,
In this type of combine, the airframe attitude facing the ridge
When trying to cut the stem, the structure of the pre-processing unit
A structure in which the divider projects forward), as shown in FIG.
Even if it is in a high-cutting state, the high-cut short culm is threshing
There is an inconvenience of being left untreated due to shallow handling in the department,
For this reason, conventionally, corners of a field with high cutting have been manually cut in advance.
However, hand-harvesting is hard work,
And work efficiency became a problem. Therefore, the pretreatment transport equipment
To the threshing conveyor (threshing feed chain)
The culm to be handled should not be transferred to the threshing conveyor
Threshing by so-called threshear method with all culms put in
In addition to enabling high mowing, FIG. 9 (hatching is
Cutting by the procedure shown in
Has been proposed to eliminate the need for hand cutting.
As a means of not transferring stems and stems to the threshing conveyor,
As in Kaihei 4-124,035, the stem and stem of a threshing transporter
It is possible to switch the holding interval to an interval that does not pinch the stem,
The starting end of the threshing transport device, as in Kaihei 5-31536
Is known to rotate the stem to a position where it does not pinch the stem.
ing. However, in the above case, it is switched to the non-repeatable state.
It is necessary to construct a switching mechanism for
It is necessary to add an additional actuator to switch the structure
The number of parts
There was an inconvenience that the cost increased due to an increase. [0003] The present invention provides a method as described above.
A combination that can eliminate these disadvantages
Was designed to provide a control device for
And before the stalks and stems harvested in the pre-processing section are pinched and transported
Transported to the end of the processing and transport device and the pretreatment and transport device.
Intermediate transfer device that pinches and transports the stems and stems that are directed toward the threshing unit
And the stalks conveyed to the terminal end of the intermediate conveying device
A threshing transport device that pinches and transports along the
Move the intermediate transfer device to the transfer start end or transfer end
A rotatable fulcrum, and threshing transport device associated with the rotation
The handling depth is adjusted based on the change in the position of the stem and stalks
In the combine, the rotation position of the intermediate transfer device is controlled.
Control unit that can transfer stems and stems to the threshing transporter.
Depth control means for controlling the rotation position of the intermediate transfer device in a frame
Exceeds the limit position on the deep handling side of the handling depth control and threshing
Rotate intermediate transfer device to a position where stems and stems are not transferred to transfer device
Then, the stem and culm transported to the end of the intermediate transport device is handled
Control means to put all culms into the culm
Of the intermediate transfer device when switching to the whole culm loading control state from
Rotational position storage means for storing the position, all culm input control state
When switching to the handling depth control state from
Automatic return control means for automatically returning to the storage location is provided.
It is characterized in that And the present invention
Switch from whole culm input control to handling depth control.
When culling non-highly cut stems into the handling room,
That the inconvenience of
It is. Next, an embodiment of the present invention will be described with reference to the drawings.
I will tell. In the drawing, 1 is a traveling body of a combine.
The traveling machine 1 has a pre-processing unit 2 for cutting stems and culms.
Threshing unit 3 for threshing kernels from harvested stems, threshed kernels
Sorting unit 4, which sorts the grains, discharges threshed culms
A post-processing unit 5, an operation unit 6 in which various operation tools are provided,
A roller-type traveling unit 7 is provided.
Are as before. [0005] The pre-processing unit 2 reduces the number of stems and stalks to the number of cutting streaks.
Divider weeding 8, Raising device 9 for raising stem and stem, Raising
Cutting blade 10 for cutting the stem of cut stem and stem, on cutting blade 10
The star wheel 11 that scrapes the stem of the stem at one side,
Scraping the middle part of the stem and culm above the turfoil 11
Device 12, transports stems stalked from each scraping path
A pair of left and right stock transfer devices (pre-processing transfer device)
13), 13a and the tip conveying device 14, the merged vertical
Threshing transport of the threshing unit 3 while transforming the stems and stems of the posture to the horizontal posture
It is composed of an intermediate transport device 16 and the like that transports it to the device 15.
However, the pre-processing unit 2 includes a lift cylinder 17
Connected to the front end of the aircraft to move up and down
The stems based on the operation of the lift cylinder 17
The cutting height of the culm can be adjusted freely.
I'm wearing [0006] The intermediate transfer device 16 is used to move the stem side of the stem and stem.
Stock feed chain 18 to be pinched and transported, and the tip side of stem and stem
And a head carrier 19 for feeding and transporting
The unitized intermediate transport
The feeding device 16 is rotatable up and down around the transport end side.
Supported and based on the drive of the depth motor 20
It is forcibly rotated. That is, medium
The inter-conveying device 16 extends to the end of the stock-conveying device 13.
When clamping the transported stem,
Move up and down based on vertical rotation about the transport end
It is possible to use a stem at the end of the intermediate conveying device 16.
Changed the position of pinching the stem and culm of the threshing transporter 15 that inherits the culm
To adjust the handling depth in the threshing unit 3
It's swelling. By the way, in the handling depth adjustment, the stem
Stalk culm position and stalk culm holding position of sculpture feed chain 18
L1 between the end of the food source chain 18 and threshing
A range that is larger than the distance L2 from the start end of the transfer device 15.
Surrounding, that is, since the threshing transport device 15 inherits the stem culm
The intermediate transfer device 16 must be rotated up and down as far as
However, the intermediate conveyance device 15 of the present invention has a handling depth adjustment range.
Lower to a position beyond the deep handling side limit to adjust the handling depth.
So that the stem side of the stem can be clamped further
It is configured. In other words, at this rotation position, the distance
Since L1 is smaller than the interval L2, the intermediate transport device 1
The stem and culm conveyed to the end of No. 6 are connected to the threshing conveyance device 15
Without feeding, all culms can be thrown into the handling room 21 of the threshing unit 3.
And you can do it. Further, the intermediate transfer device 16 is moved to the position where all culms are put in.
In order to be able to rotate to the position, feed stock chain 1
8 starts at the end of stock transfer device 13
In order to avoid this, the end of the stock feeder 13 and the stock feed
The starting end of the chain 18 is separated by a predetermined distance L3 in the stem and stem transport direction.
At the lower end of the stock transfer device 13
(In this embodiment, it is higher than the cutting blade 10 and has a star wheel.
(Set the height within the range L4 lower than 11)
The device 13 and the stock feed chain 18 are substantially straightforward in plan view.
Knotted in a line, stock transfer device 13 and stock feed
Auxiliary flap that overlaps the stem and stem transport area of chain 18
As Eid Chain 22 is installed side by side,
How to transfer stems and culms by the transfer device 13 and the feed chain 18
Even if they are away from each other, the stock feeder 13 and stock feed
To ensure the transfer between the chain 18
It has become. Incidentally, the auxiliary feed chain 22
Is suspended by a pair of front and rear sprockets 23
However, the starting end-side sprocket 23 is
3 under the terminal side sprocket 24 for supporting the terminal end
Are arranged in a superimposed position in the vicinity of
Auxiliary feed at the end of transport of stock transporter 13
The starting end of the chain 22 is positioned. Immediately
In this position, the sum of the stems stalked from
The flow and the transfer of the combined stem to the auxiliary feed chain 22
It is almost done at the same time. In this embodiment,
Are the two sprockets 23 arranged in a polymerized manner as described above,
24 are integrally linked via a transmission shaft 25.
One of the driving forces (the stock transfer device 13 side or
Both devices based on the driving force of the auxiliary feed chain 22)
13 and 22 can be driven.
You. On the other hand, reference numeral 26 denotes threshing with the intermediate transfer device 16.
With the tip side conveyor arranged in the transfer section with the transfer device 15
The tip side conveyor 26 is a pair of front and rear rollers 2.
7 wraps wide belt body 28 in the left-right direction (culm length direction)
However, the start of the tip side conveyor 26
The end portion is located near the rear of the intermediate transfer device 16 and has
One is located at approximately the same height as the end of the Eid chain 18.
On the other hand, the terminal end is located near the front end
It is located slightly higher than the lower end of the opening 21a, and
Therefore, the transfer surface is arranged so that
ing. And the tip side conveyor arranged in this way
26, the intermediate conveying device 16 is moved to the position where all culms are charged as described above.
When rotated, it is transported to the end of the intermediate transport device 16
Receive the tip of the stem from the bottom and catch it
The tip side of the stalks and stems are handled by the conveying action of the belt body 28.
21 forcibly. Further, reference numeral 29 denotes an outer side of the tip side conveyor 26.
And the stock side conveyors are arranged side by side.
The bear 29 hangs the belt body 31 between a pair of front and rear rollers 30.
It is configured to rotate. And this thing is intermediate conveyance
When the device 16 is rotated to the position where all culms are put, the intermediate transfer device
The stem side of the stem / culm conveyed to the end of 16 is received from below.
At the same time, the stem side of the stem that was received is a belt 3
1 is forcibly charged into the handling chamber 21 by the transfer operation of 1.
The starting end of the stock side conveyor 29 is
It is placed in a horizontal position at a position lower than the start end, while
The end is located higher than the end of the tip side conveyor 26.
In the inclined position along the arc-shaped handling room entrance 21a (ear end side)
Is inclined so that is lower), and as a whole
Crosses the tip side conveyor 26 in side view and
Along the starting end of the threshing conveyor 15 that slopes low and high
It is arranged as follows. Reference numerals 32 and 33 denote the respective conveyors 26 and
A support shaft for supporting the 29 end-side rollers 27, 30
The support shafts 32 and 33 are mutually connected via a universal joint 34.
Although connected, the spindle 33 on the stocker side conveyor 29 side
Supports the start-side sprocket 35 of the threshing conveyor 15
Is connected to a supporting shaft 36 via a universal joint 37,
For this reason, each of the conveyors 26 and 29 is always the threshing transport device 1
5 to drive or stop. On the other hand, the threshing unit 3 includes a threshing transport device 15
Feed chain 38 and pinching rail 3 constituting
9, the handling cylinder 40 provided inside the handling room 21,
Receiving net 41 that leaks down the material, and filters from receiving net 41
Processing of unloaded material that has reached the end of the handling room
The body cylinder 42, the second receiving net for leaking the material handled by the processing cylinder 42
43, etc., and further on the inner surface of the handling room 21,
A plurality of movable partition plates 44 are arranged at predetermined intervals in the front-rear direction.
Has been established. And each movable partition plate 44 is used for the flow of stems and stems.
Before tilting the stem and stagnation.
Rotational change between a tilted position and a neutral position located between the two positions
Each movable partition plate 44 is freely movable,
5 and the partition plate motor 46
Being able to be forcibly transformed based on driving
I have. The sorting section 4 shakes the material to be handled.
Oscillating sorting body 47 for sorting and sorting faucet for creating sorting wind
48, dust fan 49 for discharging foreign substances,
The first grain collection unit 50 for graining, the second grain collection unit 5 for graining second products
1 and the like.
Starting end of the first swing sorting unit 52 forming the upper stage (corrugated plate-shaped
The swinging transfer plate) includes the to-be-handled material leaked from the receiving net 41.
A float sensor 53 that moves up and down as the
ing. The float sensor 53 is located on the machine frame 1a side.
It is supported swingably up and down and detects the swing position.
Connected to a potentiometer 54. In addition, the flow
The detection value of the potentiometer 54 is
Raw values fluctuate periodically according to the oscillation cycle.
The peak voltage can be picked up without using
The conversion signal obtained by the above is used. Further, reference numeral 55 denotes the first swing sorting section 52.
Sorting fins that are arranged side by side at a predetermined interval on the end side
In addition, the sorting fin 55 is to filter and sort the handled material.
Although each sorting fin 55 is provided with a
It is provided rotatably to change the opening degree,
Because the motor is linked to the fin motor 56,
Freely adjusting the fin opening based on the drive of 56
You can do it. Further, 57 is a lower stage of the swing sorter 47.
A second swing sorting section, wherein the second swing sorting section
57 is the grain filtered by the first rocking sorting section 52;
Below the sorting fin 55,
It is arranged so as to be located above the grain collection unit 50
However, this is a corrugated plate that forms the sorting start end.
A dynamic transfer plate 58, a crimp net 59 forming a sorting end side,
In order to adjust the clogging amount (filtering area) of the crimp net 59
It is composed of a slidable closing plate 60 and the like. Soshi
The closing plate 60 is connected to a closing motor 61 in an interlocked manner.
Is closed based on the driving of the closing motor 61.
The amount can be adjusted freely. The operating section 6 has a driver's seat 6a
Front operation panel 62 located on the
And a side operation panel 63 located on the side.
However, the front operation panel 62 moves the pre-processing unit 2 up and down.
Positions of the pre-processing elevating lever 64 to be operated and the movable partition plate 44
Partition setting switch 65 for setting, handling depth control described later
Automatic switch 66 for turning ON / OFF the control
All culm input automatic switch that turns on / off the all culm input control described
While operating tools such as the switch 67 are provided,
The gear 63 is operated to change the speed of a continuously variable transmission (not shown).
Gear lever 68, intermittent cutting power (power of pre-processing unit 2)
The operating harvesting clutch lever 69, the work machine power (threshing unit
3. Working machine clutch for intermittently operating the power of the sorting unit 4 etc.
A lever 70 and the like are provided. Further, 71 is a microcomputer (C
(Including PU, ROM, RAM, etc.)
The control unit 71 controls the floating potato described above.
Oscillometer 54, partition plate setting switch 65, handling depth
In addition to the dynamic switch 66 and the whole culm input automatic switch 67,
Pre-processing potentiometer for detecting the elevation position of the pre-processing unit 2
72, handling depth for detecting the rotational position of the intermediate transfer device 16
Stroke sensor 73, intermediate transport device for adjusting the handling depth
Limit switch that detects the limit position on the deep side of the device 16
H 74, the presence or absence of a transport stem in the intermediate transport device 16
The main sensor 75 that is
Depth sensor for detecting depth
Sensor 76 and stock sensor 77), movable partition
A partition potentiometer 78 for detecting the orientation of the plate 44,
Fine potentiometer for detecting the opening of the sorting fin 55
Tab 79, a closing port for detecting the closing amount of the closing plate 60.
The lifting / lowering operation of the control meter 80 and the preprocessing lifting lever 64
The pre-processing up switch 81 and the pre-processing down switch
Latch for detecting the operating position of the switch 82 and the shift lever 68
Potentiometer 83, working cylinder length of continuously variable transmission
Potentiometer 84 that detects
A cutting clutch switch that detects the connection operation of the chiller 69
H, the connection operation of the work machine clutch lever 70 is detected.
Input a signal from the work machine clutch switch 86 or the like.
On the other hand, based on these input signals,
20, partition plate motor 46, fin motor 56, plugging
For raising the motor 61 and the pretreatment lift cylinder 17 and
Lowering electromagnetic valves 87a, 87b, speed-up of continuously variable transmission
Signal to solenoid valves 88a and 88b for power and deceleration
Is output. That is, the control unit 71
Based on the detection of the tip sensor 76 and the stock sensor 77
Depth control for controlling the vertical rotation position of the inter-conveyance device 16,
Intermediate transport equipment to feed all cut culms into the handling room 21
Whole culm input control for controlling the rotation position of the storage 16, the partition plate 44
Control, fin opening F and obstruction
Automatic selection control for controlling the amount of sheave M and controlling the continuously variable transmission
Control procedures such as stepless speed change control.
These controls will be described sequentially. In the above-described control of the handling depth, first, all culms are introduced.
ON-OFF of the automatic switch 67 is determined, and the determination is O
In the case of N, the whole culm input control which is a subroutine is performed.
On the other hand, if it is determined to be OFF,
After setting “0” in the throw flag,
Judgment of ON-OFF of the switch 66,
Even if it is performed, if all culm input flag is "0"
If ON / OFF of the automatic switch 66 is determined
It's swelling. Here, when the judgment is OFF,
Is the depth operation of the intermediate transfer device 16 (the depth motor 20
Is stopped and the process returns to the main routine.
If N, the cutting clutch switch
ON and OFF of the main sensor 85 and the main sensor 75
, But only when both judgments are ON,
Execute the clause routine, and if any are OFF,
Stop depth operation and return to main routine.
I'm wearing Then, in the depth adjustment routine,
ON / OFF of the sensor 77 and the tip sensor 76 is determined.
However, when both sensors 76 and 77 are ON,
The intermediate transfer device 16 is determined to be in the
Intermittent operation (depth mode based on the inching signal).
The sensor 20 operates at a low speed.
If it is FF, judge that it is in the shallow handling state and
The transfer device 16 operates intermittently on the deep handling side (downward).
Stock sensor 77 is ON and tip sensor 76 is OFF
If it is determined that the handling depth is appropriate,
The handling depth operation of the feeding device 16 is stopped.
That is, the tip position of the stem of the transport stem in the intermediate transport device 16
Is located between the sensors 76 and 77.
The handling depth is adjusted to a constant value.
Reached the limit position on the deep handling side of the adjusted handling depth adjustment range
Is handled based on the detection of the deep handling limit switch 74.
While the depth operation is stopped, the intermediate conveying device 16 adjusts the handling depth.
When reaching the shallow handling side limit position of the joint range, the handling depth
Stops the handling depth operation based on the detection of the stroke sensor 73.
To stop. On the other hand, the O
In the whole culm input control executed at N,
Set value (0 = operating state of depth adjustment, 1 = all culms inserted)
Operating state, 2 = handling depth automatic return state)
If the default value is "0", the cutting clutch switch
85 ON judgment, based on cylinder potentiometer 84
ON judgment of forward running judgment and pre-processing elevation switch 81
Disconnection is performed continuously and both of these judgments are ON.
Otherwise, if YES, the pre-processing unit 2
It is determined whether or not the height has risen to the height H.
You. In other words, the pre-processing unit 2 has a predetermined height H during forward reaping travel.
If it has been raised, it is determined that it is in a high cutting state
And the all culm input flag means the all culm input operation command
“1” is automatically set and the current depth
A predetermined value is stored in the lock value (the rotation position of the intermediate conveyance device 16).
The data is stored in the area A. Then, "1" is set to the all culm input flag.
Is turned on, the deep handling limit switch 74 is turned on.
The intermediate transfer device 16 is continuously operated on the deep handling side (down) until
(High-speed operation of the depth motor 20 based on the continuous signal)
And the deep handling limit switch 74 is turned off.
The stroke depth value when switching to ON is stored in the specified storage area.
Area B, and furthermore, the handling depth stroke value
Intermediate until it changes to the deep handling side by a predetermined amount D from the assumed value B
The transfer device 16 is operated continuously to the deep handling side.
I have. In this state, the distance L1 is equal to the distance L2.
To the end of the intermediate transfer device 16
Do not transfer the transported stem to the threshing transport device 15.
In addition, all culms are thrown into the handling room 21 of the threshing unit 3.
You. Further, when all culms are put in, the main
The switching of the sensor 75 to OFF is determined.
You. Then, when the main sensor 75 is turned off,
Determines that high mowing has ended and sets the
Set “2”, but set “2” in all culm input flags.
In the state in which the stored value A is
Continuously moves the intermediate transfer device 16 to the shallow side until it matches
After that, set all culm input flag to "0"
All culm input control is terminated. That is, Mei
The end of high mowing is determined based on the OFF of the
In this case, the intermediate conveyance device 16 is moved to the position at the start of high cutting.
It is automatically restored. In the control of the partition plate, first,
Judgment of ON-OFF of the switch 70, the judgment is OF
If F, the process returns to the main routine
On the other hand, when it is determined to be ON,
Judge the set value of the input flag. And the set value is
If it is “0”, the setting of the partition setting switch 65
Move the movable partition plate 44 to the position (open, closed, standard)
However, when the set value of all culm input flag is other than “0”
Judge that all culms are in the loaded state,
The movable partition plate 44 is automatically opened regardless of the set position of the switch 65.
To the position (promotion position). In the automatic sorting control, first, the work machine
ON-OFF of the switch 70 is determined, and the determination is
If it is FF, return to the main routine
On the other hand, if it is determined that the
Judge the set value of the culm input flag. And the set value
Is “0” based on the float sensor value
The control positions F (F1, F2, F3) of the sorting fin 55 and
The control position M (M1, M2, M3) of the blind closing plate 60 is determined.
And the determined control positions F and M and the potential value
Sorting fins 55 and blockages based on comparison with X and Y
The plate 60 is operated to the control positions F and M.
You. In other words, the sorting processing capacity is made to correspond to the
The first swing sorting unit 52 and the second swing sorting unit 57
The sieved area of all culms is controlled in steps.
If the trip value is other than “0”, the float sensor value
Irrespective of the control positions F, M at F0, M0 (normal control range
(Closer position than the surrounding area) is set and the sorting fin 55 is set.
And the closing plate 60 is automatically operated to the closing side.
I'm sorry. In this example, all culms were put in
If the float sensor value exceeds the predetermined value D1,
The large difference between the amount of material handled and the sorting capacity
In order to avoid this, control position F,
M is determined. Further, the continuously variable transmission control is performed by lever lever control.
Convert the raw value D of the compensator 83 based on a predetermined function
And the converted value V and the cylinder pot of the continuously variable transmission.
Speed up / down the continuously variable transmission to match the initial value VP
And stop operation.
If the set value of the ring is “1”, the lever
Set the low-speed running control value VL to the conversion value V regardless of the yaw value.
To automatically reduce the running speed.
In the present embodiment, the conversion value V
Is smaller than the low speed traveling control value VL, the traveling speed
To maintain the same running speed without slowing down
It's swelling. In the embodiment of the present invention configured as described above,
And transfer the high-cut short culm to the threshing transport device 15
The whole culm is thrown into the handling room 21 by the so-called thread system
Threshing causes grain loss associated with shallow handling
High mowing on the ridge side is possible and hand cutting work can be omitted.
However, the whole culm input is used for adjusting the handling depth.
The intermediate transfer device 16 that is rotatable for
Exceeds the limit position on the deep handling side during operation
Executed by controlling rotation to a position where stems and stems are not transferred
Is transferred to the threshing conveyor 15 as in the prior art.
Or a mechanism for switching between the
An additional actuator to operate the mechanism can be added.
It is completely unnecessary. Therefore, the structure must be significantly simplified.
It is possible to greatly reduce the number of parts.
As a result, combine harvesters that do not require
It can be configured at low cost. Further, the intermediate conveying device 16 is moved to the position where all the culms are put.
In order to be able to rotate to the position, feed stock chain 1
8 starts at the end of stock transfer device 13
In order to avoid this, the end of the stock feeder 13 and the stock feed
The starting end of the chain 18 is separated by a predetermined distance L3 in the stem and stem transport direction.
At the lower end of the stock transfer device 13
In addition, the stock feeder 13 and the stock feed chain 18
Auxiliary feed chain that overlaps the stem and stalk transport range
22 and the stock feeder 13 and stock feed
The transfer posture of the stem and culm was disturbed for the transfer between chain 18
And no transport failures such as falling stems
You can do it. In the transfer section between the transfer devices, a stem is provided.
The transport posture of the culm may be disturbed.
When the amount is small, the transport posture tends to be
However, the leading end of the auxiliary feed chain 22
Because it was located at the confluence of the device 13,
Opportunities to occur when the transfer position is disturbed by performing
Is it possible to reduce the number of conveyed stems
As a result, the transport amount can be as large as possible.
Enables orderly stem / culm transport by reducing disturbances in the feeding posture
can do. The auxiliary feed chain 22 is a strain
Feeder 13 and stock feed chain 18 in plan view
Tied substantially in a straight line,
Overlap to the transport area of stem of Eid chain 18
Transported to the end of the stock transfer device 13
Without dropping or disturbing the transport posture
Can be reliably transferred to feed chain 18
Fortunately, chain could carry around the stem and stalk,
Problems such as wrapping of stems can be reliably prevented.
You. The arrangement of the auxiliary feed chain 22
The height is higher than the cutting blade 10 and the star wheel 11
Is set in the lower range L4.
16 can be rotated to the lowest possible position.
As a result, the distance L1 and the distance when all culms are introduced
Ensuring the difference from L2 as large as possible to ensure the introduction of all culms
It can be carried out. The starting end of the auxiliary feed chain 22
Side sprocket 23 and the terminal side sp
The rocket 24 and the rocket 24 are integrally linked via a transmission shaft 25.
Both devices based on one of the driving forces
13, 22 can be driven, and therefore the transmission mechanism
Not only can it be greatly simplified, it also contributes to the weight reduction of the aircraft
can do. The intermediate transfer device 16 and the threshing transfer device 1
Stalks not transferred to the threshing transport device 15
Catch the spike tip side from below and forcefully insert it into the handling room 21
Threshing conveying device
Stem culm which is not transferred to 15 is surely put into handling room 21
As a result, the grain loss associated with stem stem dropout can be reduced.
It can be avoided reliably. The tip side conveyor 26 is a belt body.
28, the stems and stems are moved to the entrance 21a of the handling room 21.
, And as a result, the handling room entrance 2
To reliably prevent stagnation and clogging of stems and stems in 1a
it can. The belt body 28 is wide in the culm length direction.
To apply excessive force to the stems and stems.
Is it possible to avoid and prevent threshing during transportation?
Even if provisional threshing occurs, it is transported together with the stem and
As a result, which greatly reduces grain loss.
Can be reduced. The wide belt body 28 is wound around a stem.
Since there is no risk of infestation, crops are
In addition to reducing the work efficiency, it is also suitable for entraining stems and stems
As a result, the inconvenience of causing breakage and deformation of members can be reliably eliminated.
Can be The tip side conveyor 26 has a transport surface
Is installed so that it is inclined forward and backward.
It is possible to ensure that the grains that are threshed during transportation are put into the handling room 21.
It is not possible to receive it and catch the grains blown out from the handling room 21
Can be returned to the handling room 21 as a result,
Losses can be significantly reduced. The starting end of the tip-side conveyor 26
Near the rear of the intermediate transfer device 16
While located at approximately the same height as the end of
The end is near the front end face of the handling room 21, and
Because it is arranged to be located slightly higher than the lower end of a,
Disturbed stem and stem posture by reducing the drop with the intermediate transfer device 16
Can be reduced as much as possible at the entrance of the handling room
To reliably prevent stagnation and clogging of stems and stems in 21a
Can be. Further, the outer side of the tip side conveyor 26
, A stock conveyor 29 that carries the stock of the stems and stems is juxtaposed.
Stalks that are not transferred to the threshing transport device 15
In addition, all culms can be put into the handling room 21 more reliably. Further, the starting end portion of the stocker side conveyor 29
Position lower than the start end position of the tip side conveyor 26.
Transported to the end of the intermediate transport device 16
It is possible to inherit the stems and stems that have been slanted.
Therefore, it is possible to avoid a large change in the posture of the stem.
And, as a result, is not transferred to the threshing transport device 15
Permit that the stem can be smoothly put into the handling room 21
Not dropping and clogging of stems and stems due to disturbed stem and stem postures
Can be eliminated. The stocker side conveyor 29 is viewed from the side.
At a position crossing the tip side conveyor 26 at
Therefore, stem stems inherited from the intermediate transfer device 16 are
Smoothly transform into a position along the entrance 21a of 21
be able to. The stocker side conveyor 29 is a threshing conveyor.
The intermediate transfer device 16 is disposed along the feeding device 15.
Of stems and stalks from
Stem and stalk posture almost the same as when nipping and transporting by the grain transport device 15
Therefore, the stem can be transferred to the threshing transport device 15
Normally, all culms are put into the handling room without transferring
Smooth transport of stems and stems is not inferior to work
Ability. Further, the end portion of the stocker side conveyor 29
Is inclined to follow the entrance shape of the handling room 21,
Is extremely smooth without getting caught in the entrance 21a of the handling room.
Is thrown into the handling room 21 in the
Prevent stagnation and clogging of stems and stems at the room entrance 21a
can do. The conveyors 26 and 29 are threshing.
A so-called auto stop function that works in conjunction with the transport device 15
(Threshing when the pre-processing unit 2 is raised to a predetermined height or more
(The function of automatically stopping the device 15).
If the threshing conveyor 15 is stopped,
Ensures that the bears 26 and 29 operate to disturb the stem and stem posture
Can be eliminated. Further, all the culms of the intermediate conveying device 16 are fed.
The motion is as follows.
Based on the fact that the section 2 has been raised to the predetermined height H,
Dynamically executed, significantly improving operability during high mowing
Threshing process based on erroneous operations.
It is possible to reliably prevent the degree from being lowered. In other words,
, Always be aware of the start and end of high mowing,
Switch ON all culms at start and end of mowing
Frequent switch operation is necessary because FF operation is required.
In short, the operability is inferior.
Once the automatic switch 67 is turned ON,
Automatic control of all culm input based on the ascent operation of pre-processing unit 2
Switch operation is performed, making switch operation almost unnecessary.
Significant improvement of workability can be measured.
Non-high cutting based on mistaken ON or OFF operation
There is a fear that the whole culm input control may be executed,
Then, even if the switch is turned ON at the time of provisional command non-high cutting,
If the processing unit is in the down state, the execution of all culm input control is restricted.
Control is performed during non-high cutting
Can be reliably prevented, and for this reason, when non-high cutting
Inconvenient to execute whole culm input control and reduce threshing processing accuracy
Any combination can be eliminated. Further, in this embodiment, after the forward reaping travel,
All culm outside operation is regulated, so when driving on the road or after
Make sure that the intermediate transfer device 16 operates unnecessarily during forward travel.
Indeed, it can be prevented. In the handling depth control, the intermediate transfer device 16
Operate intermittently (low-speed operation), but in all culm input control, medium
The continuous operation (high-speed operation) of the inter-conveyor 16
Switching from the adjusted state to all culms input state and all culms input
It is possible to return to the handling depth adjustment state from the state very quickly.
As a result, it takes a long time to switch and
Can be reliably eliminated. In addition, in the whole culm input control, the main
When the end of high mowing is determined based on the OFF of the sensor 75
In both cases, the intermediate transfer device 16 is automatically moved to the position at the start of high cutting.
The intermediate transporting device 16 after the end of high cutting
There is no inconvenience such as maintaining the whole culm input posture. That is, medium
The inter-conveying device 16 maintains the entire culm input posture even after the high mowing is completed.
The proper position of the intermediate transfer device 16 based on the handling depth control.
All the non-high-cut stems and culms are transferred to the
There is a risk that culms may be thrown in or may be handled extremely deeply.
Based on the completion of mowing, the intermediate conveyance device 16
To automatically return to the depth position,
To improve the threshing accuracy significantly.
You. As described above, the O of the main sensor 75
In order to execute the automatic return based on the FF, the pre-processing unit 2
Lowering operation (performed after reverse running after high mowing)
Time of automatic return, such as in the case of automatic return based on
If the driving is not slowed down, the reverse
Automatically performed after completion of
Automatic return timing may be too early as in the case
No, as a result, non-high-cut stem culms are thrown in all culms
Trouble, short cut culm with high cutting was transferred to threshing conveyor 15
Defects that cause shallow handling can be reliably prevented.
You. When all the culms are charged, the culm 21
The movable partition plate 44 to be set is set by a partition plate setting switch 65.
Automatically move to open position (promotion position) regardless of position
Therefore, even if the entire culm is thrown into the temporary instruction handling room 21, the handling cylinder 4
The action of the movable partition plate 44 for promoting the stem and stem carried around to zero
Can be quickly shifted to the handling room end side based on
As a result, the speed of threshing at the time of feeding all culms was increased.
Is it possible to achieve a significant improvement in work efficiency?
Significantly reduces the load on the torso 40 and reliably prevents clogging
Can be stopped. In addition, when all culms are charged, the float sensor value
The sorting fin 55 and the closing plate 60 are automatically
In order to operate to the closed side, it will be dismantled based on the provisional culm input
Even if a large amount of contaminants are mixed in the product,
It can be prevented as much as possible from being mixed into the grain part 50,
As a result, it is possible to remarkably improve the sorting accuracy when putting all culms.
Wear. Further, when all the culms are charged,
The low-speed running control value VL is applied to the conversion value V regardless of the initial value.
To set and automatically reduce the running speed, put all culms
Sometimes the traveling speed is reduced to reduce the processing load on the handling room 21
Therefore, it is not necessary to decelerate the speed change lever 68.
No. Therefore, the operation load at the start of high mowing is reduced and operability is reduced.
Forgiveness can be significantly improved, high speed and high mowing
To reduce threshing accuracy and clog stems
Such inconvenience can be reliably avoided. The present invention is not limited to the above embodiment.
Needless to say, for example,
The automatic return is performed by the pre-processing unit as in the second embodiment shown in FIG.
Based on the descent operation 2 (descent operation to the previous work height)
As shown in FIG. 25, the vehicle travels backward.
It is also possible to perform based on the operation. In summary, the present invention is configured as described above.
Stalks harvested in the preprocessing section are threshed and transported.
Without transferring to the feeding device, all culms are put into the handling room
Threshing in a retsiche method allows high cutting at the ridge
So that you can omit the hand-cutting work
However, in the present invention, the stalks
The rotation position of the intermediate transfer device within the range where the
The control unit that adjusts the handling depth has a limit on the deep handling side of the handling depth control.
To the position where the stems are not transferred to the threshing transporter.
Equipped with all culm input control means to control the rotation of the intermediate conveyance device
Control stems so that all stems can be put into the handling room
Eliminates hand-cutting with an extremely simple configuration that only requires additional steps
can do. Therefore, as in the past,
A switching mechanism for switching is bothersomely provided.
It is necessary to add an additional actuator for switching operation.
This is not necessary, and as a result, the structure can be significantly simplified.
It is possible to greatly reduce the number of parts.
And, in turn, the significant cost of combine harvesters that do not require
Down can be possible. In addition, in the present invention, the handling depth control
Of the intermediate transfer device when switching from the
The rotation position is memorized, and the depth is controlled from all culm input control states.
When the intermediate transfer device is switched to the storage
The intermediate conveyance device finishes high cutting to automatically return to
After that, there is no inconvenience of maintaining the whole culm input posture. Immediately
In addition, the intermediate conveying device keeps the posture of loading all culms even after high mowing
If appropriate, the appropriate position of the intermediate transfer device based on the depth control
All non-high-cut stems and culms are introduced into the handling room due to the delay in turning
Or may cause remarkable deep handling.
The intermediate transfer device based on the end of high mowing.
Automatically return to the appropriate position
Therefore, it is possible to eliminate all of the above disadvantages, and as a result,
Significant improvement in the threshing accuracy can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall perspective view of a combine. FIG. 2 is a side view of a pre-processing unit. FIG. 3 is a plan view of the same. FIG. 4 is a front view of a threshing unit. FIG. 5 is a perspective view showing a transfer section between a pretreatment section and a threshing section. FIG. 6 is a side view of a main part showing an auxiliary feed chain. FIG. 7 is a front view showing a positional relationship between a stock feed chain and threshing feed chain. FIG. 8 is a schematic side view of a preprocessing unit showing a high cutting state. FIG. 9 is a plan view of a field showing a mowing procedure. FIG. 10 is a side view of a threshing unit and a sorting unit. FIG. 11 is an internal rear view of the threshing unit. FIG. 12 is an overall perspective view of a threshing unit and a sorting unit. FIG. 13 is a side view of a main part of a handling room showing a movable partition plate. FIG. 14 is a side view of the float sensor. FIG. 15 is a perspective view of an operation unit. FIG. 16 is a block diagram showing input / output of a control unit. FIG. 17 is a flowchart of depth control. FIG. 18 is a flow chart of whole culm input control. FIG. 19 is a flowchart for controlling a partition plate. FIG. 20 is a flowchart of automatic sorting control. FIG. 21 is a graph showing a fin position and a closing position with respect to a float sensor value. FIG. 22 is a flowchart of continuously variable transmission control. FIG. 23 is a graph showing a function for converting a lever potential value. FIG. 24 is a flowchart showing the whole culm input control according to the second embodiment. FIG. 25 is a flow chart of whole culm input control showing a third embodiment. [Description of Signs] 1 traveling machine body 2 pre-processing unit 3 threshing unit 4 sorting unit 13 stock transporter 15 threshing transporter 16 intermediate transporter 18 stock feed chain 21 handling room 21a entrance 22 auxiliary feed chain 26 head conveyor 29 stocker Conveyor 44 Movable partition plate 55 Sorting fin 60 Closing plate 71 Control unit

Continuation of the front page (56) References JP-A-5-308833 (JP, A) JP-A-5-31536 (JP, U) JP-A-4-124035 (JP, U) (58) Fields surveyed (Int) .Cl. ⁷ , DB name) A01D 61/00 A01F 12/10

Claims (1)

(57) [Claims 1] A pretreatment transport device for pinching and transporting a stem and culm harvested in a pretreatment portion, and a stem and culm transported to an end portion of the pretreatment transport device to a threshing unit. Intermediate transport device to pinch and transport toward, and a threshing transport device to pinch and transport the stems and stems transported to the end of the intermediate transport device along the handling room,
In the combine, the intermediate transport device is configured to be rotatable around the transport start end or the transport end side as a fulcrum, and the handling depth is adjusted based on a change in the stem / culm holding position of the threshing transport device accompanying the rotation. A control device for controlling the rotational position of the intermediate transport device, a depth control means for controlling the rotational position of the intermediate transport device within a range in which stems and stems can be transferred to the threshing transport device, Rotate the intermediate conveying device to a position beyond the limit position on the deep handling side of the control and not to transfer the stem and culm to the threshing conveying device, and put all the stems and culms transported to the end of the intermediate conveying device into the handling room Whole culm input control means, turning position storage means for storing the turning position of the intermediate transfer device when switching from the handling depth control state to the whole culm input control state, and handling depth from the all culm input control state When switching to the control state, the intermediate transfer device is automatically returned to the storage position. Combine the control apparatus characterized by comprising an automatic recovery control means for returning.