JP2016059288A - General purpose combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a general purpose combine which effectively prevents culms from falling irrespective of a kind of the grain culms to be reaped in the execution of quick-up control operating a reaping part to be lifted, in the general purpose combine connecting the reaping part, in which a reel is supported to be moved vertically, to a travel body to be lifted/lowered.SOLUTION: The general purpose combine includes: a reaping part lifting/lowering actuator 15; a reel lifting/lowering actuator 20; a control unit 50 capable of executing quick-up control lifting/lowering the reel 12 and reaping part 3 to a non-reaping position; quick-up operation means 43, 45 for executing the quick-up control; and crop detection means 47 for detecting a kind of a reaped crop. The control unit 50 changes an operation speed or operation timing of the reaping part 3 or reel 12 according to the kind of the crop detected by the crop detection means 47 in executing the quick-up control by the quick-up operation means 43, 45.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a general-purpose combine in which a reaping portion in which a reel is supported so as to be movable up and down is connected to a traveling machine body so as to be movable up and down.

  A mowing unit lifting / lowering actuator for driving the mowing unit up / down with respect to the traveling machine body, a reel lifting / lowering actuator for driving the reel up / down with respect to the mowing unit, a lifting / lowering control of the mowing unit by the mowing unit lifting / lowering actuator, and a reel by the reel lifting / lowering actuator A control unit that controls the raising and lowering of the reel, and the control unit lowers the reel to a predetermined lowering position and raises the cutting unit to a non-cutting position that is a predetermined upper position. A general-purpose combine described in Patent Document 1 that has quick-up control so as to be executable and includes quick-up operation means for performing the operation for executing the quick-up control is conventionally known.

JP 2013-81391 A

  Although the general-purpose combine of the above-mentioned document can suppress spillage by raising the harvesting part after sandwiching the grain straw to be processed by lowering the reel during the quick-up control, the grain to be harvested Regardless of the type of cocoon, since the reels and the mowing unit are moved up and down at the same timing, there is a problem in that spillage may not be efficiently prevented depending on the type of the cereal.

  In the present invention, in a general-purpose combine in which a reel is supported so that the reel can be moved up and down and connected to a traveling machine body so as to be able to move up and down, regardless of the type of cereal to be harvested at the time of executing the quick-up control for raising the harvester The objective is to provide a general-purpose combiner that can efficiently suppress spillage.

  In order to solve the above problems, the present invention firstly includes a cutting unit lifting / lowering actuator 15 that drives the cutting unit 3 to move up and down relative to the traveling machine body 2, and a reel lifting / lowering actuator 20 that drives the reel 12 to move up and down relative to the cutting unit 3. And a control unit that controls the lifting and lowering of the cutting unit 3 by the cutting unit lifting and lowering actuator 15 and the lifting and lowering control of the reel 20 by the reel lifting and lowering actuator 20, and the control unit 50 sets the reel 12 to a predetermined predetermined value. A quick-up operation for performing a quick-up control for lowering to the lowered position and for performing a quick-up control capable of executing the quick-up control for raising the reaping part 3 to a non-reaching position that is a predetermined upper position. A general-purpose combine provided with means 43 and 45 is provided with a crop detection means 47 for detecting the type of crop to be cut. The control unit 50 operates or operates the cutting unit 3 or the reel 12 according to the type of crop detected by the crop detection unit 47 when the quick-up control is performed by the quick-up operation units 43 and 45. It is characterized by changing the timing.

  Secondly, the control unit 50 changes the lowering operation timing of the reel 12 and the raising operation timing of the cutting unit 3 according to the type of the crop detected by the crop detection means 47 during the execution of the quick up control. It is characterized by doing.

  Thirdly, a reel speed change actuator 25 for changing the rotation speed of the reel is provided so as to be controllable by the control unit 50, and the control unit 50 is controlled by the crop detection means 47 during execution of the quick up control. The rotation speed of the reel 12 is changed according to the type of crop to be detected.

  The control unit operates the reels and the cutting unit according to the type of the crop detected by the crop detection means when the reel and the cutting unit are moved up and down to a predetermined position by quick-up control. Therefore, when the quick-up control is executed, it is possible to efficiently suppress a loss caused by the harvested crop falling to the field side.

  Further, according to the control unit, when performing the quick-up control, according to the type of the crop detected by the crop detection means, the reel lowering operation timing and the mowing unit rising operation timing, It is possible to prevent crops sandwiched between the reels from falling to the field side.

  Note that a reel speed change actuator that changes the rotation speed of the reel is provided so as to be controllable by the control unit, and the control unit detects the type of crop detected by the crop detection means when performing the quick-up control. According to the above, according to the one that changes the rotation speed of the reel, it is possible to efficiently suppress the crop that is scraped by the reel when the quick-up control is performed from falling on the field.

It is the whole general purpose combiner provided with the threshing device to which the present invention is applied. It is a whole top view of a general purpose combine provided with a threshing device to which the present invention is applied. It is the side view which showed the structure of the threshing apparatus. It is the top view which showed the control part. It is the figure which showed the operation panel. It is a block diagram of a control part. It is a processing flowchart for performing quick up control.

  FIG.1 and FIG.2 is the whole side view and whole top view of a general purpose combine provided with the threshing apparatus to which this invention is applied, FIG. 3 is the side view which showed the structure of the threshing apparatus. The general-purpose combiner includes a traveling machine body 2 supported by a pair of left and right crawler-type traveling devices 1 and 1 that are traveling parts, and a front side of the traveling machine body 2 that can be moved up and down to harvest grain cereals in a field. The traveling machine body 2 includes a maneuvering unit 4 in which an operator gets behind the mowing unit 3 and performs a steering operation, and a left rear side of the maneuvering unit 4 at the mowing unit. It has a threshing device 6 that performs threshing work on the harvested corn straw, and a discharge unit 7 that discharges swarf and the like from the rear end side of the traveling machine body 2.

  The mowing unit 3 includes a conveyor 8 that conveys the harvested cereal to the threshing device 6 side, a mowing frame 9 that is connected to the front end side of the conveyor 7 and extends forward, and the front end of the mowing frame 9 A divider 10 provided on the side, a pair of left and right support arms 11, 11 extending forward from the rear end side serving as a base end portion of the cutting frame 9, and an extending end of the left and right support arms 11 There is a scraping reel 12 that is rotatably supported between them.

  Between this cutting part 3 and the front part of the traveling machine body, there is provided a hydraulic cutting part lifting cylinder (cutting part lifting actuator) 15 that raises and lowers the cutting part 3 with respect to the traveling machine body 2 by expansion and contraction. Yes. By operating the reaping part lifting cylinder 15 to extend, the reaping part 3 rises with respect to the traveling machine body 2, while by operating the reaping part raising and lowering cylinder 15 in a reduced manner, the reaping part 3 moves relative to the traveling machine body 2. Descend.

  A hydraulic reel raising / lowering cylinder 20 is provided between the reaping portion 3 and the take-up reel 12 to raise and lower the take-up reel 12 with respect to the reaping portion 3 in an up-and-down direction by an expansion / contraction operation. When the reel raising / lowering cylinder 20 is extended, the cutting unit 3 is raised with respect to the traveling machine body 2, and when the reel raising / lowering cylinder 20 is reduced, the take-up reel 12 is lowered with respect to the cutting unit 3. To do.

  The cereals harvested by the reaping part 3 having the above configuration are fed to the front end side of the feeder 14 by the transport auger 13 on the reaping frame 9 side, and the cereals transported to the feeder 14 are transported in the feeder 14. It is conveyed to the rear side by a conveyor. The harvested cereals conveyed to the rear end side of the feeder 14 are sent to the upper front end side of the threshing device.

  The threshing device 6 is an upper side of the threshing device 6 and performs a threshing portion 16 for performing threshing work on the harvested cereal mash that is conveyed from the conveyor 8, and a lower side of the threshing device 6 and the threshing portion 16 includes a sorting unit 17 that sorts the cereals threshed by 16 into the first grain, the second, and the dusts such as sawdust.

  The threshing section 16 is formed across the entire handling chamber 18 in which the whole harvested grain is put from the rear end side of the conveyor 8 and the front-rear direction rotating shaft. A cylindrical handling cylinder 19 provided to be freely rotatable around, and a receiving net 21 which is located on the lower side of the handling cylinder 19 and is formed in an arc shape in front view along the outer peripheral lower surface side of the handling cylinder 19. And a plurality of dust delivery valves (not shown) arranged on the ceiling side of the handling chamber 18 in the front-rear direction. Incidentally, the front part of the handling cylinder 19 is formed in a truncated cone shape that decreases toward the front (see FIG. 3).

  The harvested cereal mash introduced into the front side of the handling chamber 18 is threshed while being conveyed rearward by a plate-like tooth handling 22 extending spirally along the outer peripheral surface of the handling drum 19 that is rotationally driven. The dust feeding valve can guide the harvested cereal meal conveyed rearward and change the feed speed of the harvested grain meal to the rear side.

  More specifically, the harvested cereals introduced into the handling chamber 18 are processed by the threshing process after being taken down by the protrusions 23 attached to the handle teeth 22 at a predetermined interval and the receiving net 21. Leaks the receiving network 21 and falls to the sorting unit 17.

  The sorting chamber 17 is provided with a swinging sorter 26 supported on the lower side of the receiving net 21 so as to be able to swing back and forth, and provided at a lower portion of the front side of the swinging sorter 26, and a sorting wind obliquely upward at the rear. Arranged between the tang fan 27, the second sorter fan 28, and the second sorter fan 28 which is arranged behind the tang fan 27 and similarly wakes the sorter wind. The first spiral 29 for transporting the first object and the second spiral 31 for transporting the second object selected and disposed behind the second sorting fan 28 (see FIG. 3).

  As a result, the processed product that has been threshed by the handling cylinder 19 of the threshing unit 16 and dropped from the receiving net 21 is oscillated and sorted by the oscillating sorter 26 of the sorting unit 17, and the best thing is obtained by the sorting wind. Or it is sorted into two items (wind selection). Specifically, the first thing that falls on the frontmost spiral 29 without being affected by the sorting wind by the tang fan 27, and a little influenced by the sorting wind of the tang fan 27 and the second sorting fan 28, The second object falling on the second spiral 31 on the side and the waste such as sawdust blown upward and obliquely under the influence of the respective sorting fans are selected.

  The first thing is transported into the glen tank 32 by the first spiral 29, and the second thing is oscillated and sorted by the barrel 19 side of the threshing unit 16 or the sorting unit 17 by the second spiral 31 and the reduction transport device 33. The waste is again introduced to the body 26 side, and the discharged material is discharged from the rear end side of the sorting unit 17 to the outside of the machine through the discharge unit 7.

Next, the configuration of the control unit will be described based on FIGS. 4 and 5.
FIG. 4 is a plan view showing the control section, and FIG. 5 is a view showing the operation panel.
The control unit 4 is disposed behind the shift lever, a seat 41 on which an operator is seated, a shift lever 42 disposed on the side of the seat 41, a multi-steering lever 43 disposed in front of the seat 41, and the shift lever. And a switch panel 44.

  The shift lever 42 can swing forward from the neutral position to the left and right sides from the neutral position by swinging from the front and rear neutral position to the traveling HST in the neutral state. By swinging, it is possible to swing backward from the neutral position. Thereby, the forward / backward speed increasing operation is performed.

  The multi-steer lever 43 performs a manual lifting operation of the cutting unit 3 via the cutting unit lifting cylinder 15 by swinging back and forth, and a steering operation of the vehicle body by swinging left and right.

  Specifically, the multi-steer lever 43 is swung forward from the front / rear neutral position to perform the lowering operation of the mowing unit 3 for reducing the cutting / lifting cylinder 15 and the steering lever 43 is swung backward from the front / rear neutral position. By doing so, the lifting operation of the cutting unit 3 for extending the cutting unit lifting cylinder 15 is performed. On the other hand, by swinging the multi-steering lever 43 to the left from the left / right center position, the left turn operation of driving the right side of the left / right crawler type traveling device 1 to the left side at high speed and turning the vehicle body to the left side is performed. Then, by swinging the multi-steering lever 43 from the neutral position to the right side, the left side of the left and right crawler type traveling devices is driven to run at high speed with respect to the right side to perform a right turning operation for turning the vehicle body.

  That is, the multi-steering lever 43 is a cutting unit raising / lowering operation unit that raises and lowers the cutting unit 3 with respect to the traveling machine body 2, and is also a steering operation unit for the traveling machine body.

  A momentary type trigger switch 45 is installed on the front side of the upper end portion of the multi-steer lever 43, and the multi-steer lever 43 is operated while the trigger switch 45 is pushed while holding the quick-up trigger 43. By performing quick-up operations 43 and 45 that are lightly raised toward the rear side, the control unit 50 lowers the take-up reel 12 to a reel lowering position that is a predetermined lower reel height. At the same time, quick-up control is performed to raise the cutting unit 3 to a cutting raising position that is a predetermined lifting height. The quick up control will be described later.

  In addition, when the trigger switch 45 is pushed while holding the quick-up trigger 43, a quick set operation, which is a lowering operation in which the multi-steering lever 43 is lightly directed forward, is performed. Is a quick set control for lowering the cutting portion operated to the cutting raising position by the quick up control to the predetermined cutting lowering position and raising the take-up reel 12 to the return height before the execution of the quick up control. And can be executed.

  As shown in FIG. 5, the switch panel 44 includes a selection dial 46 that is a dial-type operation tool that adjusts the selection function by adjusting the opening degree of the fins of the swing selection body 26, and threshing and selection processing. A crop switching dial 47 (crop detection means) that is a dial-type operation tool for setting the type of crop to be processed, and a reel speed adjustment operation tool 48 for adjusting the rotation speed of the take-up reel 12 are arranged. Yes.

  The operation and control of each part using the various operation tools on the control unit side as described above are performed by the control unit 50 including a microcomputer or the like.

  Next, the configuration of the control unit will be described based on FIG. 6 and FIG. FIG. 6 is a block diagram of the control unit. On the input side of the control unit 50, quick-up operation means using the multi-steer lever 43 and trigger switch 45, and the crop switching dial 47 are connected.

  On the output side of the control unit 50, the cutting unit lifting cylinder 15, the cutting unit height detecting means 51 such as a potentiometer for detecting the lifting position of the cutting unit that moves up and down, the reel lifting cylinder 20, Reel height detecting means 52 which is a potentiometer or the like for detecting the raising / lowering position of the take-up reel 12 with respect to the cutting unit 3, a reel speed change actuator 25 which is a motor or the like for changing the rotational drive of the take-up reel 12, a rotation sensor, etc. The reel speed detecting means 53 for detecting the rotational speed of the scraping reel 12 is connected.

  The control unit 50 having the input / output lowers the take-up reel 12 to a reel lowering position which is a predetermined lower reel height due to the quick-up operation by the multi-steer lever 43 and the trigger switch 45. In executing the quick-up control, the type of crop to be harvested is detected by the crop switching dial 37, and the timing and speed at which the cutting unit 3 is lifted according to the detected type of crop, and the take-up reel 12 Is configured so that the timing and speed of the lowering operation and the rotational speed of the take-up reel 12 are appropriately changed.

  According to this configuration, the pick-up reel 12 is moved down by the quick-up control, the harvested culm is sandwiched, and the timing at which the reaping part 3 is lifted and the speed at which the culm is raked are harvested. Since it becomes suitable, it can efficiently prevent spillage during quick-up control. The details of the quick-up control according to the type of crop will be described below.

  FIG. 7 is a process flow diagram for executing the quick-up control. When the quick-up control process is started, the control unit 50 proceeds to step S1. In step S1, the presence or absence of a quick-up operation by the steering lever 43 and the trigger switch 45 is confirmed. If a quick-up operation is detected, the process proceeds to step S2.

  In step S2, the type of crop to be harvested is detected by the crop switching dial 47. If the crop to be harvested is wheat, the process proceeds to step S3. In step S3, the rotational speed of the take-up reel 12 is reduced by the reel speed change actuator 25, and the process proceeds to step S4. In step S4, the cutting unit 3 is driven up by the cutting unit elevating cylinder 15, and the process proceeds to step S5. move on.

  In step S5, it is determined by the delay timer whether or not a predetermined delay time has elapsed since the start of the lifting operation of the cutting unit 3, and if the predetermined delay time has elapsed, Proceed to S6. If the predetermined delay time has not elapsed in step S5, the process is returned immediately before step S5.

  In step S6, the reeling cylinder 20 lowers the take-up reel 12 and then returns to the process.

  That is, when the crop switching dial 47 is operated to dial that the crop to be harvested is wheat, the rotational speed of the picking reel 12 is reduced and the lowering operation of the picking reel 12 is performed. In addition, the raising operation of the cutting unit 3 is executed earlier by a predetermined time. Thereby, it can prevent efficiently that wheat falls to the field side at the time of quick up control.

  In step S2, when the crop detected by the crop switching dial is soybean, the process proceeds to step S7. In step S7, the rotational speed of the take-up reel 12 is increased by the reel speed change actuator 25, and the process proceeds to step S8. In step S8, the take-up reel 12 is driven downward by the reel lift cylinder 20, and step S9 is executed. Proceed to

  In step S9, the delay timer determines whether or not a predetermined delay time has elapsed since the start of the lowering operation of the take-up reel 12, and if the predetermined delay time has elapsed, Proceed to step S10. If the predetermined delay time has not elapsed in step S9, the process is returned immediately before step S9.

  In step S <b> 10, the cutting unit 3 is lifted by the cutting unit lifting cylinder 15, and then the process is returned.

  That is, when a dial operation is performed to indicate that the crop to be harvested by the crop switching dial 47 is soybeans, the rotational speed of the picking reel 12 is increased and the picking reel 12 is lowered. However, it is executed a predetermined time earlier than the lifting operation of the cutting unit 3. Thereby, it can prevent efficiently that soybean falls to the field side at the time of quick up control.

  In step S2, if the crop detected by the crop detection dial 47 is other than wheat and soybeans, the process proceeds to step S11. In step S11, the reel speed change actuator 25 maintains the rotational speed of the take-up reel 12, and the process proceeds to step S12. In step S12, the scraping reel 12 is lowered by the reel lifting cylinder 20, and the process proceeds to step S13. In step S13, the cutting part 3 is lifted by the cutting part lifting cylinder 15, and then the processing is performed. To return.

  That is, when the crop switching dial 47 is operated to dial other than wheat and soybeans (rice, buckwheat, rapeseed, etc.), quick-up control control from the working state makes it possible to use the multi-steer lever and trigger switch for quick operation. When the up operation is detected, the lowering operation of the scraping reel 12 and the lifting operation of the cutting unit 3 are simultaneously performed while the rotational speed of the scraping reel 12 is maintained.

  According to the quick-up control of the control unit 50, the timing for raising and lowering the cutting unit 3 and the take-up reel 12 when the quick-up control is performed and the rotation speed of the take-up reel 12 are suitable depending on the type of crop to be harvested. Since it switches to a thing, the loss by the cereal falling to the field side can be prevented efficiently.

  Even when the rice is selected by the crop switching dial 47, the rotation speed of the scraping reel 12 at the time of executing the quick up control may be increased depending on the variety of the rice. Even when soybean is selected, the rotation speed of the scraping reel 12 during the execution of the quick-up control may be maintained depending on the variety of soybean to be harvested. Thereby, versatility improves more.

  Incidentally, the quick-up operation means for executing the quick-up control is not limited to the above-described operation using the multi-steering lever and the trigger switch, and a single switching operation tool for switching the automatic lifting control by repeating the pressing operation, It is good also as a structure which provided the switch operation tool which performs up control and quick set control.

2 traveling machine body 3 cutting part 12 take-up reel (reel)
15 Mowing unit lifting cylinder (Mowing unit lifting actuator)
20 Reel lifting cylinder (reel lifting actuator)
25 Reel transmission actuator 43 Multi steering lever (Quick-up operation means)
45 Trigger switch (Quick-up operation means)
47 Crop switching dial (Crop detection means)
50 Control unit

Claims (3)

  A mowing unit lifting / lowering actuator (15) for driving the mowing unit (3) up and down with respect to the traveling machine body (2), a reel lifting / lowering actuator (20) for driving the reel (12) up and down with respect to the mowing unit (3), A control unit that controls the lifting and lowering of the cutting unit (3) by the cutting unit lifting and lowering actuator (15) and the lifting and lowering control of the reel (20) by the reel lifting and lowering actuator (20), and the control unit (50) includes: The reel (12) is lowered to a predetermined lowering position, and quick-up control for raising the mowing part (3) to a predetermined upper position, which is a non-cutting position, is executable. Crop detection that detects the type of crop to be cut in a general-purpose combiner provided with quick-up operation means (43, 45) for performing an operation for executing quick-up control. Means (47) are provided, and the control unit (50) responds to the type of crop detected by the crop detection means (47) when the quick-up control is performed by the quick-up operation means (43, 45). The general purpose combine which changes the operation speed or the operation timing in the cutting part (3) or the reel (12).   When the quick-up control is performed, the control unit (50) moves the reel (12) downward and raises the cutting unit (3) according to the type of crop detected by the crop detection means (47). The general purpose combine according to claim 1, wherein the operation timing is changed.   A reel speed change actuator (25) for changing the rotation speed of the reel is provided so as to be controllable by the control section (50), and the control section (50) is configured to perform the crop detection means when performing quick-up control. The general-purpose combine according to claim 1 or 2, wherein the rotation speed of the reel (12) is changed according to the type of crop detected by (47).

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