JP2014108079A - Combine harvester - Google Patents

Abstract

【Task】
In the combine, the drive speed of the culm raising device and the tip conveying device of the cereal conveying device subsequent thereto is optimized, and the corn conveying posture of the cereal conveying device is optimized.
[Solution]
In the combine provided with the cereal haul raising device (12), the cutting blade device (14), and the left and right cereal haul conveying devices (15), the tips of the cereal havoking device (12) and the cereal haul conveying device (15) The conveying device is configured to be driven by an electric motor (M1, M2), and the cereal waker device (12,. A control device (31) is provided for decelerating the moving speed of the grain raising device (12,...) When the raising grain sensor (SE1) is turned off.
[Selection] Figure 13

Description

  The present invention relates to a combine.

  A traveling vehicle body provided with a traveling unit that is operated by an engine, a cutting blade device that cuts a plant stock of planted crops in a field, a crop transporting means that transports a crop stock that has been cut by the cutting blade device, and traveling In a harvesting machine having a vehicle speed sensor for detecting a moving speed of a machine body and a vehicle speed changing means for changing the moving speed of a traveling vehicle body, an electric motor for driving a conveyance for operating the crop conveying means and an operating load of the crop conveying means And a load sensor for detecting, when the operating load of the crop conveying means increases more than a set load, the vehicle speed changing means is controlled based on the detection result of the load sensor to reduce the moving speed of the traveling vehicle body. The harvester is known (Patent Document 1).

JP 2009-106256 A

  The present invention seeks to optimize the driving speed of the culm raising device and the tip conveying device of the cereal conveying device subsequent thereto in the combine to optimize the corn conveying posture of the cereal conveying device.

  The invention of claim 1 is provided with a cutting and conveying unit (7) having a grain raising device (12), a cutting blade device (14), and left and right grain conveying devices (15) on the front side of the traveling device (2). In the combined harvester, the grain tip raising device (12) and the tip tip transporting device of the grain tipping device (15) are driven by an electric motor (M1, M2), and the grain tip raising device (12) is reaped. When the raised culm sensor (SE1) for detecting the culm height is provided and the culm sensor (SE1) is in a non-detected state, the moving speed of the culm raising device (12) is increased. The combine is characterized in that a control device (31) for automatically decelerating is provided.

  In the invention of claim 2, a collecting cereal merging sensor (SE2) is disposed at a terminal side merging portion of the left and right cereal conveying devices (15), and the collecting cereal merging sensor (SE2) is in a detection state. The combine according to claim 1, wherein the combined speed of the device for raising the culm and the drive speed of the device (12) is increased as compared with the case where the grass-grass culm confluence sensor (SE <b> 2) is in a non-detection state. .

  According to a third aspect of the present invention, the front side portion of the harvesting conveyance unit (7) is provided with left and right harvested cereal presence / absence sensors (SE3) for detecting the presence or absence of left and right harvested cereals, When the SE2) is in a non-detection state and the right and left chopped grain stalk presence / absence sensor (SE3) is in a non-detection state, the culm raising device (12) is configured to automatically stop driving. The combine according to claim 2.

  The invention of claim 4 is provided with a grain culm take-over and transport device (17) capable of changing the handling depth by taking over the transported culm from the cereal collecting and conveying device (15) and supplying it to the threshing section (6). A handling depth sensor (SE4) for detecting the shallow handling adjustment state or the deep handling adjustment state of the cereal takeover transfer device (17) is provided, and the handling depth sensor (SE4) is provided with the cereal takeover transfer device (SE4). 17. The combine according to claim 1, claim 2, or claim 3, wherein when the shallow handling state of 17) is detected, the drive speed of the grain raising device (12) is automatically reduced. .

  According to a fifth aspect of the present invention, there is provided a sub-transmission sensor (SE6) for detecting a shift state of the sub-transmission device that shifts the travel device (2), and the sub-transmission sensor (SE6) is used to perform a predetermined low-speed transmission of the sub-transmission device. The combine according to any one of claims 1 to 4, wherein when the state is detected, the drive speed of the grain raising device (12) is automatically increased.

  In the invention of claim 6, when the raised culm sensor (SE1) is in the detection state, the tip conveying device of the culm conveying device (15) is raised and the culm sensor (SE1) is in the non-detected state. The combine according to any one of claims 1 to 5, wherein the combine is configured to increase speed more than a certain case.

  According to the first aspect of the present invention, when the raised culm sensor (SE1) is in a non-detected state and the moving state of the short culm is detected, the moving speed of the culm pulling device (12) is reduced. In contrast, the tilting speed of the culm elevating device (12) can be slowed to suppress the occurrence of threshing, and the tip side leading inclination to the cereal conveying device following the cereal provocation device (12) Takeover in the transport posture can be suppressed.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, when the collecting cereal combination sensor (SE2) is in the detection state, the collected cereal combination sensor (SE2) is in the OFF state. As the drive speed of the device for raising the culm is increased more than when the harvesting cereal is started, the harvesting culm at the beginning of the harvesting while the combine enters the field or when the harvesting at the start of the harvesting is less In addition, it is possible to suppress the take-up in the inclined posture of the tip leading to the subsequent cereal conveying device, stabilize the conveying posture of the harvested cereal, and prevent clogging in the cereal take-over portion.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or claim 2, the collecting cereal mash confluence sensor (SE2) is in a non-detected state, and the left and right reaped cedar presence sensor (SE3) is In the non-detection state, the drive of the culm raising device (12) is stopped, so that when the harvested cereal ceased, the drive of the culm pulling device (12) is stopped and energy saving operation can be performed. .

  According to the invention of claim 4, in addition to the effects of the inventions of claims 1 to 3, when the handling depth sensor (SE4) detects the shallow handling state of the cereal takeover transfer device (17). Since the driving speed of the grain raising device (12) is decelerated, the grain raising rate is lowered with respect to the short rice cake and the raising speed of the device (12) is slowed to suppress the threshing of the harvested grain rice cake. It is possible to suppress the takeover from the device (12) to the cereal conveyance device in the tip side leading inclined conveyance posture, and to prevent clogging of the conveyance culm.

  According to the invention described in claim 5, in addition to the effect of the invention described in any one of claims 1 to 4, when the predetermined low speed shift state of the auxiliary transmission is detected, the grain raising device ( 12) The driving speed of 12) is increased, so when harvesting the fallen cereal, the cereal is raised, the pulling speed of the device (12) is automatically lowered, and the fallen cereals are prevented from threshing and damage. And adaptability can be improved.

  According to the invention described in claim 6, in addition to the effect of the invention described in any one of claims 1 to 5, when the raised culm sensor (SE1) is in a detection state, the culm is conveyed. Since the tip transport device of the device (15) is raised and the speed is higher than that in the case where the cereal sensor (SE1) is in the non-detection state, the tilted posture of the tip leading at the time of the short culm transport of the cereal transport device (15) In the case of a long bag, it is possible to smoothly convey while suppressing the conveyance in the inclined posture of the tip side conveyance delay.

The whole side view of a combine. The whole top view of a combine. The front view of a combine. The side view which abbreviate | omitted one part of the cutting conveyance part. The front view which abbreviate | omitted one part of the cutting conveyance part. The front view of a combine. The side view which abbreviate | omitted one part of the cutting conveyance part. The front view of a combine. The top view which abbreviate | omitted one part of the cutting conveyance part. The top view which abbreviate | omitted one part of the cutting conveyance part. The side view which abbreviate | omitted one part of the cutting conveyance part. Control block diagram. flowchart. flowchart.

  Embodiments of the present invention will be described below with reference to the drawings. First, the overall structure of a combine equipped with the present invention will be described with reference to FIGS.

  The left and right crawler travel devices 2 and 2 are disposed below the combine traveling chassis 1, the control section 3 with the driver's seat 10 is disposed in the front right side of the travel chassis 1, and the operation on the rear side of the control section 3 is performed. Below the seat 10, a prime mover 4 having an engine is disposed, and a grain storage grain tank 5 is disposed behind the control unit 3. A threshing section 6 is disposed on the left side of the traveling chassis 1, a cutting and conveying section 7 is provided on the entire front side of the traveling chassis 1 so as to be movable up and down, and a waste treatment device 8 is disposed behind the threshing section 6 and the glen tank 5. It is arranged. Moreover, the discharge auger 9 is provided in the rear side part of the Glen tank 5, and the grain in the Glen tank 5 is discharged outside. The front side, the rear side, the left side, and the right side are described based on the traveling direction of the aircraft.

  Next, a specific configuration of the cutting and conveying unit 7 will be described with reference to FIGS.

  A rear side portion of the cutting frame 20 of the cutting and conveying unit 7 is supported so as to be rotatable around a horizontal axis, and the cutting frame 20 has a plurality of weed pods 11... , Cereal scraping and conveying device 13, cutting blade device 14, left and right cereal collecting and conveying device 15,. The terminal end side of 17 faces the starting end side of the feed chain 21 of the threshing unit 6.

  Thus, as the cutting and conveying unit 7 advances, the cereals in the field are divided into rows by the weed culverts 11,... The raised grains are scraped and conveyed to the left and right two places by the left and right grains scraping and conveying devices 13 and 13, and the root side of the grains is trimmed by the cutting blade device 14. Next, the harvested cereals are collected and conveyed from the left and right to the central part by the left and right cereal collecting and transporting devices 15,... Then, it is handed over to the feed chain 21 of the threshing unit 6.

  A cutting input shaft 20a is supported on the rear upper part of the cutting frame 20 so as to extend in the left-right direction, and is supported on the body frame portion so as to be rotatable around the cutting input shaft 20a. The engine power is transmitted to the reaping input shaft 20a, and the root transportation device and the tip transportation device of the cereal scraping transportation device 13 through the reaping transmission device (not shown) in the reaping frame 20 from the reaping input shaft 20a, and the cutting The blade device 14, the root conveying device of the left and right cereal collecting / conveying devices 15,..., The root conveying device of the culm intermediate conveying device 16, and the root conveying device of the culm takeover conveying device 17.

  Further, as shown in FIG. 10 and FIG. 11, the culm raising device 12,... Is driven and driven by the electric motor M1, and the head conveying device of the left and right cereal collecting and conveying device 15,. It is driven by M2, the tip conveying device of the grain culm relaying device 16 is driven by the intermediate splicing tip electric motor M3, and the tip conveying device of the culm handing over conveying device 17 is driven by the inheriting tip electric motor M4.

  As shown in FIG. 3 to FIG. 5, a pulling transmission pipe 12 a extending in the left-right direction is attached to the front upper portion of the cutting frame 20, and a plurality of grain raising devices 12,. Supports lowering. Attached so that the electric motor M1 protrudes to the rear side by raising the electric transmission pipe 12a to the left and right central rear portions, and then raises the electric pipe M from the electric motor M1 and passes through an electric transmission (not shown) in the transmission pipe 12a. Power is transmitted to the plurality of grain raising devices 12,. Therefore, the left and right visibility of the operator can be improved while the power distribution to the plurality of grain raising devices 12,...

  As shown in FIG. 6, the electric motor M1 may be attached by being raised to the left and right sides of the transmission pipe 12a.

  As shown in FIG. 3, the rice cake sensors SE1,... Are turned off and the rice cake sensors SE1,. When the pulling state of the short cereal is detected, it is triggered based on the low speed pulling command from the control device 31 and the electric motor M1 is rotated at a low speed to cause the pestle to cause the devices 12,.

  If the speed is high for a short cereal, threshing is likely to occur, or the succeeding attitude of the cereal to the cereal collecting and transporting device 15 becomes an inclined position in front of the tip, resulting in clogging of the cereal. It tends to be. However, according to the said structure, such a malfunction can be eliminated.

  As shown in FIG. 10, a collecting grain culm confluence sensor SE2 is disposed at the terminal side Y-shaped merging portion of the left and right cereal collecting / conveying devices 15,. At the start of the harvesting operation when the harvesting clutch sensor SE5 is turned on, in the state where the collecting grain culm confluence sensor SE2 is OFF and the grain culm is not conveyed to the terminal side merging part of the corn harvesting / conveying device 15, the control device 31 Based on the low-speed pulling command, the pulling speed of the grain raising apparatus 12,... Is lowered, the collecting grain collecting sensor SE2 is turned on, and the harvested grain basket is reached to the terminal side joining part of the grain collecting / conveying device 15,. Are brought into a state of being transported, the cereal wake-up device 12,... Is raised based on the high-speed wake-up command from the control device 31.

  There is a tendency for the harvested cereals to decrease when the harvesting operation of the combine entering the field or the harvesting after turning is started, and the transport posture is less stable and the transport posture is difficult to stabilize. Is likely to occur. However, according to the above configuration, such a problem can be solved.

  For example, left and right reaped grain presence / absence sensors SE3 are provided at the lower part of the left and right sides of the front side portion of the reaping and conveying unit 7, and the cereal collecting and conveying operation is performed when the collecting cereal merging sensor SE2 is OFF. When the end merging portion of the device 15 detects the absence of a transported culm, and when the left and right chopped cereal presence / absence sensors SE3,. The driving of the eaves raising device 12,... Is stopped.

  According to the above-described configuration, when there is no harvested cereal meal in the harvesting conveyance unit 7, the cereal meal can be automatically caused to stop and the energy saving operation can be performed.

  The handling depth chain of the terminal side cereal takeover transfer device 17 is configured to be adjustable with respect to the feed chain 21 of the threshing unit 6 so that the conveying cereal can be adjusted to a shallow handling state or a deep handling state. The handling depth sensor SE4 can detect the handling depth adjustment state. Then, when the handling depth chain of the grain culm take-up and transfer device 17 is adjusted to the highest level and the handling depth sensor SE4 detects the shallowest handling state, the control device 31 determines that the culm is cut short and causes a low speed command. Based on this, the raising speed of the grain raising apparatus 12,... Is reduced.

  If the speed at which the grain raising device 12,... Is raised at a high speed with respect to a short grain straw, threshing is likely to occur. There is a tendency to cause clogging. However, according to the said structure, such a malfunction can be eliminated and an energy-saving driving | operation can be performed.

  Further, when the handling depth chain of the cereal takeover transfer device 17 is adjusted to the lowest level and the handling depth sensor SE4 detects the deepest handling state, the control device 31 determines that the long shear cutting operation is performed, and the high speed pulling command is issued. Based on this, the raising speed of the grain raising apparatus 12,... Is made higher than the standard speed.

  In the case of a long rice cake, the tip side of the corn straw contacts the upper cover of the cutting and transporting unit 7 and the tip side is delayed from the stock side, and the clogging occurs in the succeeding part of the succeeding corn conveying device. It becomes easy. However, according to the said structure, such a malfunction can be eliminated and an energy-saving driving | operation can be performed.

  The engine power is transmitted to a traveling mission case (not shown) via a continuously variable transmission (not shown), and is sub-shifted by a gear-type sub-transmission (not shown) of the traveling mission case. The sub-transmission sensor SE6 for detecting the switching state of the sub-transmission device is provided in the combine that is transmitted to the engine, and when the sub-transmission sensor SE6 detects the low-speed transmission state, the control device 31 determines that the harvested grain is lying down and the high speed It is raised based on the raising command, and the electric motor M1 is rotated at a high speed to raise the culm and increase the raising speed of the devices 12,.

  According to the said structure, in the case of the harvesting work of the fallen cedar, the raising speed of the cereal raising device 12, ... can be automatically made high, and the raising performance of the fallen cereal can be improved.

  Moreover, you may comprise as follows. In a combine provided with a plurality of grain raising devices 12,..., The left and right grain raising devices 12,... Are configured to be driven left and right and centrally and driven separately by the electric motor M1,. 7 are provided with left and right, central sown cereal presence / absence sensors SE3,.

  If comprised in this way, based on the detection information of right-and-left and a central cutting grain presence / absence sensor SE3a, SE3b, SE3c, it raises and drives only the grain raising apparatus 12 with a harvesting grain and stops the other side. And energy-saving operation.

  Further, in a combine that drives the plurality of grain culling raising devices 12,... By left and right separate electric motors M1,..., The left and right, central chopped grain culm presence / absence sensors SE3a, SE3b, SE3c When the presence state is detected, the left and right and center pulling electric motors M1,... Are driven, and the left and right and center grain raising devices 12,. Further, when the left / right or centrally harvested grain stalk presence / absence sensor SE3,... Detects the presence / absence state of either the left / right grains, the energy saving operation is performed by driving only the electric motor M1 that is raised on the side with the grains. Can do.

  Further, in the combine provided with the left and right, central pulling devices 12,... And the left and right central pulling devices SE1,. When both the left and right sides of the raised grain sensor SE1,... Are detected, the left and right sides are raised based on the high speed command of the control device 31 and the electric motors M1,. 12,... Are driven at a high speed, and the central grain is pulled up to stop the driving of the device 12.

  In addition, the left and right and center raised culm sensors SE1a, SE1b, and SE1c detect either the left or right long culm and if the other and the center detect the short culm, the pulling electric motor that has detected the long culm is detected. M1 is rotated at a high speed to drive the cereals, and the devices 12,... Are driven at a high speed, and the other side where the absence of long hooks is detected, the central pulling electric motor M1,. The devices 12,... Are driven at a low speed.

  According to the said structure, according to the length of the left and right of the harvesting conveyance part 7, and the length of the middle harvesting grain, the right and left and the middle grain raising device 12, ... are driven at an appropriate raising speed, and the raising performance is improved. be able to.

  A corn straw raising device 12,..., A corn straw picking and conveying device 13, a corn straw collecting and conveying device 15,. The root conveying device and the cutting blade device 14 of the grain feeders 15, 16, and 17 following the pulling devices 12,... Are driven by the engine power, and the tip conveying device of the grain feeders 15, 16, and 17 is driven. In the combine driven by the electric motors M2, M3, M4, the rotational speed of the electric motors M2, M3, M4 is adjusted to match the conditions of the harvested cereal by the combination of the detection information of each sensor and the vehicle speed sensor, By increasing or decreasing the transfer speed of the tip transfer device with respect to the transfer speed of the root transfer device of the grain haul transfer device 15, 16, 17, the pulling performance and the transfer performance are improved.

  Depending on conditions such as the fallen state of the harvested cereal meal, the length of the harvested cereal meal, or the harvesting of a small number of grains, the raising speed of the grain raising device 12 and the tips of the grain feeders 15, 16, 17 The conveyance speed of the conveyance apparatus can be increased or decreased with respect to the conveyance speed of the root conveyance apparatus to prevent conveyance delay on the stock base side or the tip side of the conveyance cereal, and the cereal can be conveyed in an appropriate conveyance posture.

  Further, in the combine that drives the cutting and conveying unit 7 as described above, left and right chopped grain presence / absence sensors SE3, ... are provided on the left and right sides of the front side of the cutting and conveying unit 7, and the terminal side of the grain collecting and conveying device 15, ... In the plan view, the Y-shaped merging portion is provided with a collecting grain collecting sensor SE2 that detects the presence or absence of the conveying grain basket, and when the harvesting clutch sensor SE5 is in the ON state, the collecting grain collecting sensor SE2 is the conveying grain basket. In the state where the absence of cutting and the left cutting grain stalk presence / absence sensor SE3,..., Detect the absence of cutting grain slag, the electric motors M2, M3, and M4 for driving the tip conveying apparatus of the grain conveying apparatuses 15, 16, and 17 are stopped. I have to.

  According to the above configuration, when the control device 31 determines that there is no harvested culm, it outputs a tip conveyance stop command of the culm transporting device 15, 16, 17 and drives the tip transporting device of the culm transporting device 15, 16, 17 Stop and save energy.

  Further, in the combine that drives the cutting and conveying unit 7 as described above, the culm sensors SE1,... Are respectively disposed on the back surfaces of the pulsating cases 12b of the plural culm pulling devices 12,. Then, when the raised culm sensor SE1,... Is turned off and a short cereal erection state is detected, the electric motors M2, M3, M4 are set to a low speed based on the tip conveying low speed command of the control device 31, and the cereal conveying device 15, The conveyance speed of the tip conveyance device is set to be lower than the conveyance speed of the root conveyance devices 16 and 17.

  According to the above-described configuration, when the harvested culm is short, the tip transport device of the culm transport device 15, 16, 17 is set to be slower than the root transport device to prevent the transport of the tip side leading inclined posture and the proper transport posture. Can be.

  In addition, when the raised culm sensor SE1 is turned on and the long culm is pulled and detected, the electric motors M2, M3, M4 are adjusted at high speed based on the tip high-speed transport command of the controller 31, and the culm transport devices 15, 16 , 17 so that the conveying speed of the tip conveying apparatus is higher than the conveying speed of the root conveying apparatus.

  According to the said structure, the tip side transfer delay of a grain candy can be prevented and it can convey with an appropriate conveyance attitude | position.

  In the combine that drives the cutting and conveying unit 7 as described above, the collecting and collecting syrup confluence sensor SE2 is provided at the terminal-side merging part of the cereal collecting and conveying device 15,. When the cereal mash is not conveyed to the terminal side merging portion of the cereal collecting / conveying device 15 with the collecting cereal merging sensor SE2 being OFF, the electric motors M2, M3 are based on the tip low speed conveying instruction of the control device 31. , M4 is set to a low speed so that the transfer speed of the tip transfer device is lower than the transfer speed of the root transfer devices of the cereal transfer devices 15, 16, and 17.

  Then, when the collecting cereal mash sensor SE2 is turned ON and the cereal is conveyed to the terminal merging portion of the cereal collecting / conveying device 15,... The motors M2, M3, and M4 are adjusted at high speed so that the transport speed of the root transport device of the grain haul transport devices 15, 16, and 17 and the transport speed of the tip transport device are equal.

  At the time of starting the harvesting operation of the combine in the field or at the time of starting the harvesting after turning in the field, the harvested culm is less and the conveying posture is difficult to stabilize, and the cereal clogging is likely to occur in the conveying takeover part of the corn cultivating apparatus.

  However, according to the above configuration, when there are few cereals at the start of the cutting operation, the conveying speed of the tip conveying device of the cereal conveying devices 15, 16, and 17 is made lower than that of the root conveying device to suppress the inclined leading conveyance of the tip, It is possible to prevent clogging of the cereals at the takeover portions of the cereal conveying devices 15, 16, and 17. In addition, when the normal state where the cereals are conveyed to the terminal side merging portion of the cereal collecting / conveying device 15,..., The root conveying device and the tip conveying device of the cereal conveying device are returned to constant speed conveyance. It is possible to make the cereal conveyance at the time of harvesting appropriate.

  In the combine that drives the cutting and conveying unit 7 as described above, the culm sensor SE1,... Is disposed on the back surface of the pulling case 12b,. When the grain culm sensors SE1,... Are turned off, the control device 31 determines that a short grain has occurred, outputs a tip side low-speed transport command, and transports the transport speeds of the tip transport devices of the corn transporters 15, 16, 17 to the root. The speed is lower than that of the device.

  At the time of harvesting of the combine into the field or at the start of cutting after turning on the shore, the harvested cereals are few and the conveying posture is difficult to stabilize, and the cereals are easily clogged at the conveying takeover part. However, according to the said structure, the preceding conveyance by the side of the tip with respect to the root side of the grain straw conveying apparatus 15,16,17 can be prevented, and a grain straw can be conveyed smoothly.

  In addition, when the cedar sensor SE1 is turned on, the control device 31 determines that the long cocoon is raised and outputs a tip-side high-speed transport command, and determines the transport speed of the tip transport device of the cereal transport devices 15, 16, and 17. The speed is changed faster than the root conveying device.

  In the cutting operation of the long culm, it becomes easy to assume an inclined posture that is delayed in the tip side during the transportation, and clogging tends to occur at the takeover portion of the transportation culm. However, according to the said structure, the conveyance speed by the side of a tip can be made faster than a root side, and the conveyance delay by the side of a tip can be prevented and it can convey smoothly.

  In the combine that drives the cutting and conveying unit 7 as described above, a handling depth sensor SE4 that detects a shallow handling state or a deep handling state of the cereal takeover transfer device 17 is provided. When the depth depth chain is adjusted to the highest side and the shallowness handling state is detected by the depth sensor SE4, the tip transport speeds of the grain feeders 15, 16, and 17 based on the tip-side low speed transport command of the control device 31 are detected. Is made slower than the root conveying device. According to the said structure, conveyance with the preceding inclination attitude | position by the side of a tip can be suppressed, and a grain candy can be conveyed to the threshing part 6 with an appropriate attitude | position.

  Further, when the handling depth chain of the cereal takeover transfer device 17 is adjusted to the lowest side and the handling depth sensor SE4 detects the deep handling state, the cereal conveyance is performed based on the tip side high speed conveyance command of the control device 31. The tip conveying devices of the devices 15, 16, and 17 are made faster than the root conveying device. Thus, it is possible to prevent a delay on the tip side of the transported culm and to optimize the cereal transporting posture.

  In the combine that drives the cutting and conveying unit 7 as described above, for example, the conveying path of the left cereal collecting and conveying apparatus 15 is shortened, and the conveying path of the right cereal collecting and conveying apparatus 15,. The tip conveying device of the feeding / conveying device 15,... Is configured to be driven separately by left and right collecting electric motors. Then, left and right chopped grain presence / absence sensors SE3,... Are provided on both the left and right sides of the front side of the harvesting and conveying unit 7, and the collecting grain culm confluence sensor SE2 is provided at the terminal-side Y-shaped merging part of the left and right cereal collecting and conveying devices 15. Is provided.

  Therefore, when the left and right cropped grain presence / absence sensors SE3, ... are turned on and the state where the harvested grain cake is present is detected, and the collecting grain basket confluence sensor SE2 is off, the terminal side Y-character of the left and right grain collection transporting device 15, ... While the grain mash is not being collected at the state junction, the conveyance speed of the right tip conveying device of the right cereal collecting / conveying device 15 configured to be long based on the tip-side high-speed conveyance command of the control device 31 is shortened. It is made to make it faster than the left ear tip conveying apparatus of the left grain mash collection conveying apparatus 15 comprised.

  In addition, the left and right chopped grain presence / absence sensors SE3 are turned on to detect the presence of the left and right chopped grain pods, and the collecting grain mash confluence sensor SE2 is turned on, and the terminal side Y-characters of the left and right corn grains collecting and conveying devices 15,. In the normal conveyance state in which the grain pods are conveyed to the state merging unit, the conveyance speed of the tip conveyance devices of the left and right corn straw collecting and conveying devices 15 and 15 is determined based on the tip conveyance device normal conveyance instruction of the control device 31 of the root conveyance device. It is made equal to the conveyance speed so as to return to the normal conveyance state.

  According to the above configuration, even when there are few harvested cereals at the start of reaping, an approximately equal amount of cereals can be conveyed from the left and right to the terminal-side Y-shaped junction of the left and right cereal collecting and conveying devices 15. In addition, it is possible to prevent the cereals from being scattered and clogged at the junction, and to smoothly transport and transport them.

  Further, when the right cutting grain stalk presence / absence sensor SE3 is OFF and the right cutting sorghum presence sensor SE3 is ON and the left cutting sorghum presence / absence sensor SE3 is detected and the left cutting grain slag is detected, the left tip high speed conveyance from the control device 31 is performed. Based on the command, the left ear tip conveying device of the left grain culm collecting and transporting device 15 is made faster and faster than the right ear tip conveying device of the normal grain right cocoon collecting and conveying device 15.

  In the cutting operation on the left and right sides of the cutting and conveying unit 7, the tip side of the grain collecting and conveying device 15 is delayed in conveyance, and clogging of the grains tends to occur at the cereal merging portion on the terminal side. However, according to the above-described configuration, the speed of the left ear tip transport device of the left cereal collecting / conveying device 15 at the time of a small amount of cutting work prevents the tip side scatter and prevents clogging of the cereals at the end-side junction. can do.

  Further, when the left and right chopped grain presence / absence sensors SE3,. In the state where the cereals are not transported to the part, the swaying of the cereals raising device 12,... The feeding and transporting devices 15,..., The culm takeover transporting device 16 and the culm takeover transporting device 17 are stopped from carrying the energy at the energy saving operation.

  In the combine that drives the cutting and conveying section 7 as described above, the control for increasing or decreasing the conveying speed of the tip conveying apparatus of the cereal conveying apparatuses 15, 16, and 17 than the conveying speed of the root conveying apparatus. In doing so, the control may be executed only for the culm collecting / conveying device 15, and the control may not be performed for the subsequent culm relay / conveying device 16 and the culm takeover / conveying device 17. Alternatively, the control may be executed only for the culm collection / conveyance device 15 and the culm intermediate transfer device 16, and the control may not be performed for the culm takeover / conveyance device 17.

  Moreover, you may comprise as follows. In the combine that drives the cutting and conveying section 7 as described above, a plurality of grain raising devices 12,... Are respectively driven and driven separately by the electric motors M1,. On the back side (rear side), there is provided a cereal sensor SE1,..., And when the cereal sensor SE1,. If the drive of the pulling device 12,... Is stopped and the pulling drive of the cereal pulling device 12,.

  Further, for example, even when the collecting cereal merging sensor SE2 is ON and the cereal collecting / conveying devices 15 and 15 are in the normal conveying state, all the raising cereal sensors SE1,... After the elapse of time, all the drives of the grain raising device 12,... Are stopped based on the raising stop command of the control device 31. Next, when the raised culm sensor SE1,... Wakes up and detects the presence of the cereal, the energy-saving operation can be performed by restarting the drive of the culm raiser 12,.

  Further, the front and rear portions of the cutting and transporting unit 7 are provided with cutting cereal stalk presence / absence sensors SE3,..., And the left and right sown cereal presence / absence sensors SE3,. When the presence / absence sensor SE3 is turned off and the detection of the absence of the centrally harvested cereals is performed, the driving of only the central part of the culm scraping and conveying device 13,... It is also possible to drive the scissors transporting device 13,... To execute an energy saving operation.

  Further, the control unit 3 may be provided with a volume switch (not shown) for adjusting the speed at which the speed of the speed of the apparatus 12 rises, so that the operator can set the speed freely.

  Next, a control block diagram will be described with reference to FIG.

  A switch group and a sensor group are connected to the input side of the control device 31. That is, the raised grain culm sensor SE1, the collected grain culm sensor SE2, the harvested grain culm presence / absence sensor SE3, the handling depth sensor SE4, the harvesting clutch sensor SE5, and the auxiliary transmission sensor SE6 are connected via the input interface. Yes. In addition, an electric motor M1, a collecting head electric motor M2, a middle spear head electric motor M3, and a succeeding head electric motor M4 are connected to the output side.

  Next, the flowcharts of FIGS. 13 and 14 will be described.

  When the control is started, it is determined whether or not the mowing clutch is ON (step S1), and if it is No, the flow proceeds to “B” in FIG. 14 and ends. If it is Yes, the mowing operation is started. (No in step S2) If it is No, it is determined that the napkin is cut upright, the electric motors M1 to M4 are adjusted to the first low speed rotation, and the grain The cocoon raising device 12 is driven at the first low speed, the tip conveying device of the grain culm conveying devices 15, 16, 17 is set to the first low speed, and is driven at a lower speed than the root conveying device (step S3).

  Next, it is determined whether or not the collecting grain culm confluence sensor SE2 is ON (step S4). If it is No, it is determined as a small amount cutting work at the start of reaping, and it is determined whether or not the culling sensor SE1 is raised. If it is No (No in step S5), the process returns to step S4. Moreover, it raise | generates that it is Yes, it determines with there being a grain candy, speeds up the right ear tip conveying apparatus with a long conveyance path | route of the corn straw collection conveyance apparatus 15 to a 1st standard speed (step S6), and returns to step S4.

  Further, it is determined whether or not the collected grain culm confluence sensor SE2 is ON (step S4), and if it is Yes, the transported culm is spread over the entire conveying path of the cereal collecting and conveying apparatus 15 or is in a normal conveying state. Determine, raise the culm raising device 12 at the first standard speed, speed up the tip conveying device of the cereal conveying device 15, 16, 17 to the first standard speed, and make it the same speed as the root conveying device. (Step S7).

  Further, it is determined whether or not the auxiliary transmission is at a low speed (step S2), and if it is Yes, it is determined as a harvesting operation for the fallen culm and the culm pulling device 12 is moved to a second low speed (slower than the first low speed). ), And the tip conveying device of the cereal conveying device 15, 16, 17 is set to the second low speed and the low speed conveying to the root conveying device (step S8). Next, it is determined whether or not the collecting cereal mashing sensor SE2 is ON (step S9). If NO, it is determined that the chopping cereal sensor SE1 is turned on. (Step S11), if No, the process returns to Step S9, if Yes, it is determined that there is cereal habit, and the right tip transfer device having a long conveying path of the cereal collecting / conveying device 15 is set as the second standard. The speed is changed to a speed (slower than the first standard speed) so as to be faster than the root conveying device (step S12), and the process returns to step S9.

  Next, the flow shifts from “A” on the lower side of FIG. 13 to “A” on the upper side of FIG. It is determined whether or not the harvested grain culm presence / absence sensor SE3 is ON (step S13), and if it is Yes, it is determined that it is a long shearing harvesting operation, and based on the detection information of the handling depth sensor SE4, It is determined whether the handling depth chain of 17 is the maximum adjustment (step S14). If it is Yes, it will be judged that the handling depth is shallow, the raising speed of the grain raising device 12 is increased by a certain amount, and the conveying speed of the tip conveying device of the grain collecting and conveying device 15 is increased by a certain amount. (Step S15), the process proceeds to Step S19.

  In addition, it is determined whether or not the raising cedar sensor SE1 is ON (step S13), and if it is No, it is determined that the culling operation is a short culm, and the elevating speed of the cereal raising device 12 is decelerated by a certain amount, The conveying speed of the tip conveying device of the cereal collecting / conveying device 15 is reduced by a certain amount to be slower than the root conveying device (step S16). Next, it is determined whether or not the handling depth chain of the cereal takeover transfer device 17 is the lowest adjustment based on the detection information of the handling depth sensor SE4 (Step S17), and if No, the process proceeds to Step S19 described later. To do. If it is Yes, it is determined that the handling depth is deep, the raising speed of the grain raising device 12 is reduced by a certain amount, and the conveying speed of the tip conveying device of the grain collecting and conveying device 15 is reduced by a certain amount, The speed is lower than that of the transport device (step S18), and the process proceeds to step S19.

  Next, it is determined whether or not the collecting cereal mash confluence sensor SE2 and the raised culm sensor SE1 are OFF (step S19), and if yes, the cereal wake elevating device 12 and the culm conveying devices 15, 16, and 17 are determined. Is stopped (step S21). If it is No, it is determined whether or not the reaping clutch is ON (Step S20). If it is Yes, the process proceeds to Step S13. If it is No, it is determined that the reaping operation is stopped, and the grain raising apparatus is caused. 12 and the tip conveying device of the grain culm collecting and conveying device 15 are stopped (step S21), and the control is terminated.

2 Traveling device (crawler traveling device)
6 Threshing unit 7 Harvesting and transporting unit 12 Grain masher raising device 14 Cutting blade device 15 Grain mash transporting device (grain mash collecting and transporting device)
16 Grain meal transporting device
17 Grain meal transfer device (grain takeover transfer device)
21 Feed Chain 31 Control Device M1 Electric Motor (Electric motor)
M2 electric motor (collection head electric motor)
M3 electric motor (replacement head electric motor)
M4 electric motor (takeover tip electric motor)
SE1 Pulled grain culm sensor SE2 Collected cereal cocoon confluence sensor SE3 Cutting grain culm presence / absence sensor SE4 Handling depth sensor SE6 Sub shift sensor

Claims (6)

In a combine provided with a harvesting conveying part (7) having a grain raising device (12), a cutting blade device (14) and left and right grain straw conveying devices (15) on the front side of the traveling device (2), The tip conveying device of the pulling device (12) and the culm conveying device (15) is driven by an electric motor (M1, M2), and the culm pulling device (12) is used to detect the height of the harvested culm. A control for automatically reducing the moving speed of the grain raising device (12) when the raising grain sensor (SE1) is arranged and the raising grain sensor (SE1) is in a non-detection state. A combine comprising the device (31). When the collected cereal merging sensor (SE2) is disposed in the terminal side merging portion of the left and right cereal conveying devices (15), and the collected cereal merging sensor (SE2) is in the detection state, The combine according to claim 1, wherein the combine is configured to raise the culm and increase the drive speed of the device (12) more than when the grass culm confluence sensor (SE <b> 2) is in a non-detection state. The front side part of the cutting and conveying part (7) is provided with left and right cutting grain stalk presence / absence sensors (SE3) for detecting the presence or absence of left and right cutting stalks, and the collecting grain culm joint sensor (SE2) is in a non-detected state. The combine according to claim 1 or 2, wherein when the left and right chopped grain presence / absence sensor (SE3) is in a non-detected state, the drive of the grain raiser (12) is automatically stopped. A grain culm transfer / conveying device (17) capable of changing the handling depth is provided to take over the conveyed culm from the cereal collecting / conveying device (15) and supply it to the threshing unit (6). ), A handling depth sensor (SE4) for detecting a shallow handling adjustment state or a deep handling adjustment state is provided, and the handling depth sensor (SE4) is a shallow handling state of the cereal takeover transfer device (17). The combine according to claim 1, 2 or 3, wherein the drive speed of the grain raising device (12) is automatically decelerated when detected. A sub-transmission sensor (SE6) for detecting a shift state of the sub-transmission device for shifting the travel device (2), and when the sub-transmission sensor (SE6) detects a predetermined low-speed shift state of the sub-transmission device; The combine according to any one of claims 1 to 4, wherein the drive speed of the grain raising device (12) is automatically increased. When the raised culm sensor (SE1) is in the detection state, the tip conveying device of the culm conveying device (15) is caused to accelerate more than when the culm sensor (SE1) is in the non-detection state. The combine according to any one of claims 1 to 5, wherein the combine is configured.

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