JP5714993B2 - Combine - Google Patents

Description

  The present invention relates to a combine technique, and more particularly to a technique for operating a discharge auger that discharges grains in a grain tank by wireless communication using a remote control device.

  Conventionally, a combine is known in which grains after threshing and sorting are stored in a glen tank, and the stored grains are conveyed by a discharge auger that can be moved up and down and swiveled, and discharged from the tip of the discharge auger to the outside. It has become. In such a combine, there is a combine that causes the discharge auger to be moved up and down and turned by remote control using a wireless communication device (remote controller) (for example, see Patent Document 1).

  In the technique described in Patent Document 1, the operator can operate the discharge auger from a place away from the combine main body. Therefore, the operator can operate the discharge auger from a position where the state of the discharge auger is easily visible, and workability can be improved.

JP 2007-185194 A

  However, in the technique described in Patent Document 1, as long as a signal (radio wave) transmitted from the remote control device reaches the combine main body, the discharge auger can be operated from any position away from the combine main body. Therefore, when the discharge auger is operated from a position far away from the combine body, it is difficult to grasp the situation around the combine and the discharge auger. It is disadvantageous in that an operation error such as the inability to discharge the grain at the position of may occur.

  The present invention has been made in view of such a situation, and it is possible to prohibit the operation of the discharge auger by the remote operation device when the remote operation device is far away from the combine main body, and an operation error occurs. An object of the present invention is to provide a combine that can prevent the occurrence of the problem.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

In Claim 1, the discharge auger which discharge | releases the grain in a grain tank outside, the remote control apparatus which transmits the remote instruction | indication about operation | movement of the said discharge auger using wireless communication, and the remote from the said remote control apparatus And a control means for controlling the operation of the discharge auger based on the instruction, wherein the control means is provided when a reception level of the remote instruction from the remote control device is equal to or higher than a first set value. As long as the remote auger is operated based on the remote instruction, the control means receives the remote instruction to the operator when the reception level of the remote instruction from the remote control device is less than a second set value. Informing means for informing that the level is less than the second set value is activated .

According to a second aspect of the present invention, there is provided the combine according to the first aspect, further comprising adjusting means for adjusting the first set value and / or the second set value .

  As effects of the present invention, the following effects can be obtained.

  In claim 1, when the reception level is less than the first set value, the operation of the discharge auger by the remote operation device can be prohibited.

  That is, it is possible to prohibit the operation of the discharge auger by the remote operation device when the remote operation device is far from the combine main body, and to prevent an operation error from occurring.

  In addition, the operator can recognize that the reception level is low.

In claim 2 , the reception level (first set value) at which the operation of the discharge auger is prohibited and / or the reception level (second set value) at which the operator is notified that the reception level is low is arbitrarily adjusted. Therefore, workability according to the preference of the worker can be ensured.

The side view which showed the whole structure of the combine which concerns on one Embodiment of this invention. The top view which showed the whole structure of the combine which concerns on one Embodiment of this invention. The side view which showed the structure of the connection part of the vertical discharge auger and the horizontal discharge auger in the discharge auger of the combine which concerns on one Embodiment of this invention. Side surface sectional drawing which showed the structure of the front-end | tip part of the horizontal discharge auger in the discharge auger of the combine which concerns on one Embodiment of this invention. The block diagram which showed the control structure of the combine which concerns on one Embodiment of this invention. The front view which showed the structure of the remote control apparatus of the combine which concerns on one Embodiment of this invention. The flowchart which showed the control aspect at the time of operating a remote control device.

  Below, the combine 1 which concerns on one Embodiment of this invention is demonstrated using FIG.1 and FIG.2. In addition, although the combine 1 which concerns on this embodiment is illustrated and demonstrated as what is a 6-cut combine, this invention does not limit the number of cuts of a combine. In the following, the front-rear direction of the aircraft is defined with the direction indicated by arrow A in FIG. Moreover, the direction orthogonal to the front-rear direction and the horizontal direction is defined as the left-right direction of the aircraft.

  As shown in FIGS. 1 and 2, the combine 1 includes a traveling unit 2, a mowing unit 3, a threshing unit 4, a sorting unit 5, a grain storage unit 6, and a machine frame 10. It is comprised from the waste disposal part 7, the engine part 8, the driving | operation part 9, etc.

  The traveling unit 2 is provided in the lower part of the body frame 10. The traveling unit 2 is provided with a crawler traveling device 11 having a pair of left and right crawlers. The traveling unit 2 is configured to travel the airframe when the crawler traveling device 11 is driven.

  The cutting unit 3 is provided at the front end of the machine body frame 10 so as to be movable up and down with respect to the machine body. The mowing unit 3 includes a weeding device 12, a pulling device 13, a cutting device 14, a conveying device 15, and the like. The mowing unit 3 uses the weeding device 12 to weed the cereals in the field, causes the raising device 13 to cause the cereals after weeding, and causes the cutting device 14 to cut the stock of the cereals after the culling, and the conveying device. It is comprised by 15 so that the cereal after cutting may be conveyed to the threshing part 4 side.

  The threshing unit 4 is provided on the left side of the body frame 10 and behind the reaping unit 3. The threshing unit 4 includes a feed chain 16 and a handling cylinder (not shown). The threshing unit 4 inherits the cereals conveyed from the cutting unit 3 and conveys the cereals being conveyed to the side of the waste disposal unit 7 by the feed chain 16, and threshs the cereals being conveyed by the handling cylinder or the like. Is configured to drop into the sorting unit 5.

  The sorting unit 5 is provided on the left side of the machine body frame 10 and below the threshing unit 4. The sorting unit 5 sorts the threshing processed product dropped from the threshing unit 4 into cereal grains, spiked grains, unthreshed grains, wastes, dust, and the like by swing sorting and wind sorting. The sorting unit 5 transports the selected grain to the grain storage unit 6, and transports second items such as spiked grains and unthreshed particles to return to the threshing unit 4. It is configured to discharge to the outside.

  The grain storage unit 6 is provided on the right side of the machine body frame 10 on the right side of the threshing unit 4 and the sorting unit 5. The grain storage unit 6 includes a Glen tank 17 and a grain discharge device 30. The grain storage unit 6 is configured to store the grain conveyed from the sorting unit 5 in the Glen tank 17 and to discharge the grain stored in the Glen tank 17 to the outside of the machine body by the grain discharging device 30. Is done.

  The waste disposal unit 7 is provided at the rear of the machine frame 10 and behind the threshing unit 4. The waste disposal unit 7 includes a waste transport device and a waste cutting device (not shown). The slaughter processing unit 7 inherits the threshed sorghum transported from the threshing unit 4 and discharges it to the outside as slaughter, or transports it to the slaughter cutting device and cuts it. It is configured to discharge to the outside of the aircraft.

  The engine unit 8 is provided on the right side of the machine body frame 10 and in front of the grain storage unit 6. The engine unit 8 includes an engine 8a and the like, and transmits the power of the engine 8a to an apparatus of each unit using the power of the engine 8a as a drive source via an appropriate transmission mechanism so as to drive the device of each unit. Composed.

  The operation unit 9 is provided on the right front side of the body frame 10 and on the right side of the conveying device 15 of the cutting unit 3. The driving unit 9 includes a cabin 18, a seat 19, a handle 20, operation tools such as an operation pedal and an operation lever, an operation panel, and the like. The driving unit 9 is configured such that the seat 19 and the handle 20 are covered by the cabin 18.

  In this way, the combine 1 transmits the power of the engine 8a of the engine unit 8 to the devices of the respective units by operating the operation tools in the driving unit 9 and cuts the vehicle while running the vehicle in the traveling unit 2. The part 3 cuts the cereal grains in the field, the threshing part 4 threshes the cereal grains from the reaping part 3, the sorting part 5 sorts out the cereal from the threshing part 4, and the grain storage part 6 sorts the sorting part 5 At the same time as the storage of the grain from the threshing portion, the waste processing unit 7 can discharge the waste from the threshing unit 4 to the outside of the machine body.

  Next, the structure of the grain tank 17 of the grain storage part 6 and the grain discharge apparatus 30 is demonstrated in detail using FIGS. 1-4.

  The Glen tank 17 stores the grain after sorting by the sorting unit 5. The Glen tank 17 is provided on the body frame 10 as shown in FIGS. 1 and 2. The Glen tank 17 is arranged on the right side of the threshing unit 4 and the sorting unit 5 and behind the operation unit 9. The rear part of the Glen tank 17 is rotatably supported by a part of the grain discharge device 30 (the vertical discharge auger cylinder 34 of the discharge auger 32), and the front part of the Glen tank 17 is the threshing part 4 and the sorting part 5 It is comprised so that it may move to the left-right direction which adjoins or spaces apart.

  The grain discharging device 30 discharges the grains stored in the glen tank 17 to the outside of the machine body. As shown in FIGS. 1 and 2, the grain discharge device 30 includes a discharge conveyor 31 and a discharge auger 32.

  As shown in FIG. 2, the discharge conveyor 31 is configured by a screw conveyor, and is disposed at the bottom in the Glen tank 17 with the longitudinal direction being the front-rear direction. The discharge conveyor 31 is connected to the engine 8a via a transmission mechanism. Then, the discharge conveyor 31 is configured to rotate by the power of the engine 8 a and convey the grain to the rear part at the bottom in the Glen tank 17. An auger clutch 33 (see FIG. 5) such as a belt tension clutch is disposed on a power transmission path from the engine 8a to the discharge conveyor 31. The auger clutch 33 is configured such that the power of the engine 8a (the power for discharging the grain) is transmitted to or cut off from the discharge conveyor 31 by a connection / disconnection operation (an operation of “ON” or “OFF”). Is done.

  As shown in FIGS. 3 and 4, the discharge auger 32 includes a vertical discharge auger, a horizontal discharge auger, a turning actuator 35, an elevating actuator 37, a grain discharging cylinder 40, and a cylinder rotating actuator. 41. In use, the discharge auger 32 is configured such that the horizontal discharge auger cylinder 36 of the horizontal discharge auger can move above the grain tank 17 and the threshing unit 4. As shown in FIGS. 1 and 2, the discharge auger 32 (lateral discharge auger cylinder 36) is placed on an auger rest 21 provided near the front upper part of the threshing portion 4 when not working (when not in use). .

  The augerest 21 is provided with an augerest set sensor 57 that detects whether or not the lateral discharge auger cylinder 36 is placed. The auger set sensor 57 is connected to the control means 60 described later. The auger rest set sensor 57 is an example of an auger placement detection unit, and is not limited to that in the present embodiment. For example, it may be configured to detect whether or not the lateral discharge auger cylinder 36 is placed on the auger rest 21 using a turning angle detection sensor 46 and a lift angle detection sensor 54 described later.

  The vertical discharge auger extends in the vertical direction of the machine body and lifts the grain from the grain tank 17. The vertical discharge auger includes a vertical discharge auger cylinder 34 and a vertical discharge conveyor 38.

  As shown in FIGS. 1 and 3, the vertical discharge auger cylinder 34 is an elongated hollow cylindrical member. The vertical discharge auger cylinder 34 is erected in the vertical direction (longitudinal direction) behind the grain tank 17 with the longitudinal direction being the vertical direction. The lower end portion of the vertical discharge auger tube 34 is connected to communicate with the rear end of the discharge conveyor 31. The upper end portion of the vertical discharge auger tube 34 is connected so as to communicate with the proximal end portion of the horizontal discharge auger tube 36. The vertical discharge auger cylinder 34 is configured to be rotatable with respect to the machine frame 10 about its axis.

  As shown in FIG. 3, the vertical discharge conveyor 38 is constituted by a screw conveyor, and is erected in the vertical discharge auger cylinder 34 with the longitudinal direction as the vertical direction (vertical direction). The vertical discharge conveyer 38 conveys the grains conveyed to the rear part at the bottom in the Glen tank 17 by the discharge conveyer 31 in the vertical discharge auger cylinder 34. The lower end portion of the vertical discharge conveyor 38 is coupled to the rear end portion of the discharge conveyor 31 via a bevel gear or the like. The power of the engine 8 a is transmitted to the vertical discharge conveyor 38 via the discharge conveyor 31.

  The horizontal discharge auger is supported by an upper portion of the vertical discharge auger at its base end portion so as to be able to move up and down and turn, conveys the grain from the vertical discharge auger, and discharges the grain from the tip portion to the outside. The horizontal discharge auger includes a horizontal discharge auger cylinder 36 and a horizontal discharge conveyor 39.

  The horizontal discharge auger cylinder 36 is an elongated hollow cylindrical member as shown in FIGS. The horizontal discharge auger cylinder 36 extends in the horizontal direction from the upper end of the vertical discharge auger cylinder 34. The base end portion of the horizontal discharge auger tube 36 is supported by the upper end portion of the vertical discharge auger tube 34 so as to be rotatable in the vertical direction. As shown in FIG. 4, a discharge port body 47 is fixed to the distal end portion of the horizontal discharge auger cylinder 36. The outlet body 47 is formed of a rectangular tube and is formed in a substantially L shape in a side view. The outlet 47 is connected so that one opened side communicates with the tip of the lateral discharge auger cylinder 36 and the other opened side faces downward. The grain discharged from the front end portion of the horizontal discharge auger cylinder 36 is discharged to the outside through the opened other side of the outlet body 47. A grain discharge cylinder 40 is attached to the outlet 47.

  As shown in FIGS. 3 and 4, the horizontal discharge conveyor 39 is constituted by a screw conveyor, and is installed in the horizontal discharge auger cylinder 36 with the longitudinal direction as the horizontal direction. The horizontal discharge conveyor 39 conveys the grain conveyed to the upper end part in the vertical discharge auger cylinder 34 by the vertical discharge conveyor 38 to the front end part in the horizontal discharge auger cylinder 36. The base end portion of the horizontal discharge conveyor 39 is connected to the upper end portion of the vertical discharge conveyor 38 via a bevel gear or the like. The power of the engine 8 a is transmitted to the horizontal discharge conveyor 39 via the vertical discharge conveyor 38.

  As shown in FIG. 3, the turning actuator 35 is a member that rotates the vertical discharge auger cylinder 34 in the left-right direction (horizontal direction). The turning actuator 35 includes a rotation shaft 44. A driving gear 45 is fixed to the rotating shaft 44. The drive gear 45 meshes with a driven gear 43 that is fixed so as to be fitted around the vertical middle of the vertical discharge auger tube 34. A turning angle detection sensor 46 is attached to the rotating shaft 44. The turning angle detection sensor 46 can detect the turning angle of the vertical discharge auger cylinder 34 (discharge auger 32) using a rotary potentiometer or the like. The turning actuator 35 is an example of an auger actuator, and an electric motor is used in the present embodiment, but the invention is not limited to this. Further, the turning angle detection sensor 46 is not limited to that in the present embodiment. Thus, when the turning actuator 35 is driven, the rotary shaft 44 is rotated about the axis (left and right direction), and the vertical discharge auger cylinder 34 is rotated about the axis via the drive gear 45 and the driven gear 43. Configured to move.

  As shown in FIG. 3, the lifting / lowering actuator 37 is a member that rotates the horizontal discharge auger cylinder 36 in the vertical direction. A bracket 48 projecting from the horizontal discharge auger cylinder 36 and a bracket 49 projecting from the vertical discharge auger cylinder 34 are connected to both ends of the lifting actuator 37 so as to be rotatable. Further, an elevation angle detection sensor 54 is attached to the elevation actuator 37. The elevating angle detection sensor 54 uses an extendable potentiometer or the like, and can detect the elevating angle of the horizontal discharge auger cylinder 36 (discharge auger 32) by detecting the stroke of the elevating actuator 37. The lifting actuator 37 is an example of an auger actuator, and a hydraulic cylinder is used in this embodiment, but the present invention is not limited to this. Thus, when the lifting / lowering actuator 37 is driven (expanded / contracted), the horizontal discharge auger cylinder 36 is configured to rotate up and down around the base end portion via the bracket 48 and the bracket 49. .

  As shown in FIG. 4, the grain discharge cylinder 40 is a hollow cylindrical member provided at the tip of the horizontal discharge auger cylinder 36. The grain discharge cylinder 40 is inserted into the outlet 47 of the horizontal discharge auger cylinder 36 through the opening on the base end side, and is rotatably supported by the rear lower portion of the outlet 47. When the opening on the front end side of the grain discharge cylinder 40 is arranged so as to face the horizontal direction, the grain discharge port (the other side opened) of the outlet 47 is the same as that of the grain discharge cylinder 40. Since it is covered with the inner wall, the grain cannot be discharged from the outlet 47 to the outside. On the other hand, when the opening on the front end side of the grain discharge cylinder 40 is arranged so as to face downward from the horizontal direction, the grain discharge port (the other side opened) of the outlet 47 and the grain The grain discharged from the outlet body 47 with a gap provided between the inner wall of the discharge cylinder 40 and the grain discharge cylinder 40 (discharge auger) through the opening on the front end side of the grain discharge cylinder 40. 32) is discharged to the outside. Moreover, the grain discharged | emitted from the grain discharge cylinder 40 (discharge auger 32) by adjusting the direction which the opening part of the front end side of the grain discharge cylinder 40 faces in the front-back direction in the range below a horizontal direction. The grain discharge direction can be adjusted. In addition, the grain discharge cylinder 40 is an example of a grain discharge part, and is not limited to the shape in this embodiment.

  As shown in FIG. 4, the cylinder rotating actuator 41 is a member that rotates the grain discharge cylinder 40. The cylinder rotating actuator 41 is attached to the distal end side of the lateral discharge auger cylinder 36. The cylinder turning actuator 41 includes an output shaft 50. An output shaft gear 51 is fixed to the output shaft 50, and a rotation angle detection sensor 56 is disposed. The output shaft gear 51 is engaged with one end side of the fan-shaped opening / closing gear 52. The open / close gear 52 is pivotally supported at the central portion, and one end side of the rod 53 is rotatably coupled to the other end side. The other end side of the rod 53 extends toward the front lower direction, and is rotatably connected to one end side of the flat opening / closing link 55. The other end side of the opening / closing link 55 is fixed to the grain discharge cylinder 40. The rotation angle detection sensor 56 detects the rotation angle of the grain discharge cylinder 40. In the present embodiment, the cylinder rotating actuator 41 is an electric motor, but is not limited thereto. Thus, when the cylinder rotating actuator 41 is driven, the output shaft 50 is rotated about the axis, and the opening / closing gear 52 is rotated via the output shaft gear 51. Then, when the opening / closing gear 52 rotates counterclockwise in FIG. 4, the opening on the tip side of the grain discharge cylinder 40 is rotated through the rod 53 and the opening / closing link 55 so as to face downward from the horizontal direction. Configured to move. On the other hand, when the opening / closing gear 52 rotates clockwise, the opening on the tip side of the grain discharge cylinder 40 is configured to rotate in a direction facing the horizontal direction via the rod 53 and the opening / closing link 55. .

  With the configuration as described above, the discharge auger 32 is turned by turning the vertical discharge auger tube 34 around the axis by the turning actuator 35, and the horizontal discharge auger tube 36 is rotated in the vertical direction by the lifting actuator 37. It is configured to move up and down by moving. Further, the discharge auger 32 is configured to be able to discharge the grain in the glen tank 17 to an arbitrary place outside the machine body by rotating the grain discharge cylinder 40 by the cylinder rotating actuator 41. When the auger clutch 33 is “ON”, the power of the engine 8 a is transmitted to the vertical discharge conveyor 38 and the horizontal discharge conveyor 39 via the discharge conveyor 31. The conveyor 39 is driven so that the grains in the grain tank 17 can be discharged through the grain discharge cylinder 40. On the other hand, when the auger clutch 33 is “off”, the power of the engine 8a is not transmitted to the discharge conveyor 31 and the vertical discharge conveyor 38 and the horizontal discharge conveyor 39 are not driven in the discharge auger 32 so that the grains are not discharged. Composed.

  The discharge auger 32 is configured to be operated using wired communication by the machine-side operation device 70 or using wireless communication by the remote operation device 80. Although the details will be described later, the discharge auger 32 is operated by the machine side operation device 70 or the remote operation device 80, and the actuators 35, 37, and 41 are installed at arbitrary locations on the combine 1 based on the operation. By being driven and controlled by the means 60, the raising / lowering or turning or the grain discharge cylinder 40 is rotated.

  Next, the structure of the control means 60 is demonstrated using FIG.

  The control unit 60 includes a storage unit such as a RAM and a ROM, an arithmetic processing unit such as a CPU, a reception level detection unit, and the like. Further, the control means 60 is connected to the receiving unit 61. The receiving unit 61 receives various signals (radio waves) transmitted wirelessly from the transmitting unit 81 of the remote control device 80. The storage unit stores a control program related to drive control of the actuators 35, 37, 41, and the like. The arithmetic processing unit performs arithmetic processing based on various signals input from the receiving unit 61 and the control program, and outputs control signals to the actuators 35, 37, and 41. The reception level detection unit detects a reception level (radio wave intensity) L of a signal transmitted from the transmission unit 81 of the remote control device 80.

  The control means 60 is connected to various buttons as operation means of the machine side operation device 70, the turning angle detection sensor 46, the elevation angle detection sensor 54, and the rotation angle detection sensor 56, and is also a remote operation device. 80 is wirelessly connected to various buttons as operating means. The control means 60 is connected to the turning actuator 35, the lifting / lowering actuator 37, the auger clutch 33, and the cylinder turning actuator 41. The control means 60 is connected to the notification level adjustment switch 22, the operation level adjustment switch 23, and the notification means 24.

  When various buttons of the machine side operation device 70 or the remote operation device 80 are pressed, the control means 60 receives an operation signal corresponding to the operation, and based on the received operation signal, the control program and each of the control programs 60 While using the detection signals from the angle detection sensors 46, 54, and 56 to drive and control the turning actuator 35, the raising and lowering actuator 37, and the cylinder turning actuator 41, the discharge auger 32 is raised and lowered or turned, The grain discharge cylinder 40 is rotated.

  Next, the configuration of the machine side operation device 70 will be described.

  The machine side operation device 70 is a device for operating the discharge auger 32 using wired communication. The machine-side operation device 70 is detachably supported by a support holder provided in the operation unit 9. The machine-side operation device 70 includes various buttons as operation means related to the operation of the discharge auger 32. An operation device having a function equivalent to that of the machine-side operation device 70 can be provided in the vicinity of the grain outlet of the discharge auger 32.

  Next, the configuration of the remote control device 80 will be described with reference to FIGS.

  The remote operation device 80 is a member for operating the discharge auger 32 by transmitting a remote instruction using wireless communication. The remote control device 80 is detachably supported by a support holder provided in the vicinity of the grain discharge port of the operation unit 9 and the discharge auger 32, and is configured to be carried by an operator. The remote operation device 80 includes a pseudo power button 80 a, various buttons as operation means regarding the operation of the discharge auger 32, a control unit 82, a transmission unit 81, and an LED 83.

  The control unit 82 includes a storage unit such as a RAM and a ROM, an arithmetic processing unit such as a CPU, and the like. The control unit 82 is connected to the various buttons, and when various buttons are pressed, an operation signal corresponding to the pressing operation is transmitted to the control unit 60 (more specifically, to the control unit 60 via the transmission unit 81). Wirelessly to the receiver 61).

  The LED 83 is disposed in the upper left part of the remote control device 80. The LED 83 is connected to the control unit 82. The controller 82 can turn on the LED 83 in a predetermined case.

  The various buttons include a pseudo power button 80a, an auger clutch button 80d, an auger up button 80e, an auger down button 80f, an auger left turn button 80g, an auger right turn button 80h, and a cylinder front turn button 80i. And a cylinder rear turn button 80j, an auto return button 80k, and a shift button 80m.

  The pseudo power button 80 a is for enabling the operation of the discharge auger 32 by the remote operation device 80.

  Here, the function of the pseudo power button 80a will be described.

  The remote operation device 80 is always supplied with electric power in order to have a simple configuration. That is, since it is possible to always operate the various buttons, when the operator puts the remote control device 80 in a pocket or the like, the discharge auger 32 may move unexpectedly by pressing the various buttons.

  Therefore, in the remote control device 80 according to the present embodiment, a pseudo power button 80a is provided to prevent the discharge auger 32 from moving unexpectedly as described above.

  Specifically, the control unit 82 normally prohibits transmission of an operation signal to the control means 60 via the transmission unit 81. That is, even if the various buttons are pressed, the control unit 82 does not transmit an operation signal to the control means 60 via the transmission unit 81.

  When the simulated power button 80a is operated (for example, a long press operation for a predetermined time or longer), the control unit 82 is in a state in which an operation signal can be transmitted to the control means 60 via the transmission unit 81. That is, in this state, when the various buttons are pressed, the control unit 82 transmits the operation signal to the control unit 60 via the transmission unit 81. In this case, the control unit 82 lights (or blinks) the LED 83 in order to notify the operator that the operation signal can be transmitted.

  Further, when none of the various buttons is pressed for a predetermined time or longer, the control unit 82 prohibits transmission of an operation signal to the control means 60 via the transmission unit 81 again.

  The auger clutch button 80d is for connecting and disconnecting (turning on and off) the auger clutch 33. When the auger clutch button 80d is pressed once, the control means 60 sets the auger clutch 33 to “ON”. When the auger clutch button 80d is pressed again, the control means 60 turns off the auger clutch 33. As a result, the discharge auger 32 discharges the grain to the outside only when the auger clutch 33 is set to “ON”.

  The auger up button 80e and the auger down button 80f are for raising and lowering the discharge auger 32, respectively. While the auger up button 80e or the auger down button 80f is being pressed, the control means 60 drives the lifting actuator 37 based on the received operation signal. When the pushing operation of the auger up button 80e or the auger down button 80f is released, the control means 60 stops the lifting actuator 37. As a result, the discharge auger 32 moves up or down in response to the pushing operation of the auger raising button 80e or the auger lowering button 80f, and does not move up or down when the pushing auger 32 is not pushed. Stop.

  The auger left turn button 80g and the auger right turn button 80h are for turning the discharge auger 32 left and right, respectively. While the auger left turn button 80g or the auger right turn button 80h is being pressed, the control means 60 drives the turning actuator 35 based on the received operation signal. When the pushing operation of the auger left turning button 80g or the auger right turning button 80h is released, the control means 60 stops the turning actuator 35. As a result, when the auger left turn button 80g or the auger right turn button 80h is pushed, the discharge auger 32 turns left or right according to the push operation, and when it is not pushed. Stop without turning.

  The cylinder front rotation button 80i and the cylinder rear rotation button 80j respectively rotate the grain discharge cylinder 40 forward (toward the distal end of the horizontal discharge auger cylinder 36) and rearward (base of the horizontal discharge auger cylinder 36). For turning in the end direction). While the cylinder front rotation button 80i or the cylinder rear rotation button 80j is being pressed, the control means 60 drives the cylinder rotation actuator 41 based on the received operation signal. When the push operation of the cylinder front rotation button 80i or the cylinder rear rotation button 80j is released, the control means 60 stops the cylinder rotation actuator 41. As a result, when the cylinder front turning button 80i or the cylinder rear turning button 80j is pushed, the grain discharge cylinder 40 turns forward or backward in response to the pushing operation. When the push operation is not performed, it stops without rotating.

  The auto return button 80k and the shift button 80m are for automatically raising and lowering or turning so that the discharge auger 32 is placed on the auger rest 21. More specifically, the auto return button 80k and the shift button 80m are configured to automatically raise and lower or turn the discharge auger 32 by the control means 60 when the discharge auger 32 is not placed on the auger rest 21. This is for operating a so-called auto return function. When the auto return button 80k and the shift button 80m are pressed simultaneously, the control means 60 drives the turning actuator 35 and the lifting actuator 37 as appropriate. Details of the auto return function (control by the control means 60) will be described later.

  Next, the arrangement of various buttons and LEDs 83 in the remote control device 80 will be described with reference to FIG.

  The remote control device 80 is configured to have a size that allows an operator using the remote control device 80 to hold it with one hand. In the remote control device 80, the various buttons are arranged on the same surface. The auger up button 80e and the auger down button 80f are arranged so as to be positioned at the upper and lower vertices of the rhombus, respectively, as viewed from the operator using the remote control device 80. The auger left turn button 80g and the auger right turn button 80h are arranged on the left or right side in the vicinity of the auger up button 80e and the auger down button 80f, respectively, and arranged at the left and right vertices of the rhombus. The The cylinder front rotation button 80i and the cylinder rear rotation button 80j are positioned on the left or right side in the vicinity of the auger lowering button 80f, respectively, and the cylinder front rotation button 80i is positioned on the auger right rotation button 80h. The cylinder rear pivot button 80j is disposed below the auger left turn button 80g. The auger clutch button 80d is disposed so as to be positioned in the vicinity of the cylinder rear turn button 80j. The pseudo power button 80a is arranged so as to be positioned in the vicinity of the auger right turn button 80h.

  The LED 83 is disposed at the upper left of the auger up button 80e and above the auger left turn button 80g.

  The auto return button 80k is arranged in the vicinity of the cylinder front rotation button 80i and below it. The shift button 80m is disposed so as to be positioned below the auger clutch button 80d.

  Next, the notification level adjustment switch 22, the operation level adjustment switch 23, and the notification means 24 will be described with reference to FIG.

  The notification level adjustment switch 22 is an embodiment of the adjusting means according to the present invention, and is an operating tool that adjusts a setting value L1 (second setting value according to the present invention) described later. The operation level adjustment switch 23 is an embodiment of the adjusting means according to the present invention, and is an operating tool for adjusting a set value L2 (first set value according to the present invention) described later. Here, the set value L1 is set so that the reception level L is greater than the set value L2 (L1> L2). The set value L1 is a reception level with almost no attenuation of the signal from the remote control device 80 detected by the reception level detection unit, and the set value L2 is a value from the remote control device 80 detected by the reception level detection unit. Although the signal is attenuated, it is assumed that the signal content is a reception level at which it can be judged (calculated for the command signal).

  A method of adjusting the set value L1 and the set value L2 by the notification level adjustment switch 22 and the operation level adjustment switch 23 will be specifically described. The notification level adjustment switch 22 and the operation level adjustment switch 23 are arranged at a position where an operator such as the driving unit 9 can operate. First, the operator switches a liquid crystal screen (not shown) provided in the operation unit 9 to an adjustment mode (a mode for adjusting the set value L1 and the set value L2). Switching to the adjustment mode is performed by operating a dedicated switch. In the adjustment mode, the set value L1 and the set value L2 that are currently set are displayed on the liquid crystal screen. Next, the set value L1 is adjusted by operating the notification level adjustment switch 22 while the liquid crystal screen is switched to the adjustment mode, and the set value L2 is adjusted by operating the operation level adjustment switch 23. Since the adjusted set value L1 and set value L2 are displayed on the liquid crystal screen, the operator can check the current set value L1 and set value L2. Finally, the operator ends the adjustment mode. In this way, the set value L1 and the set value L2 can be arbitrarily adjusted.

  The notification level adjustment switch 22 and the operation level adjustment switch 23 can be configured by various switches such as a dial switch, a lever switch, and a toggle switch.

  Further, the method of adjusting the set value L1 and the set value L2 by the notification level adjustment switch 22 and the operation level adjustment switch 23 is not limited to the above-described method. That is, without providing the adjustment mode as described above, the notification level adjustment switch 22 and the operation level adjustment switch 23 are configured by dial switches, and the set value L1 is obtained only by operating the notification level adjustment switch 22 and the operation level adjustment switch 23. It is also possible to adopt a configuration in which the set value L2 is adjusted.

  As will be described later, the notification means 24 is for notifying the operator that the reception level L of the remote instruction (signal) from the remote control device 80 is less than the set value L1. The notification unit 24 can be configured by a headlamp of the combine 1, for example.

  Next, control when various buttons of the remote control device 80 are operated will be described in detail with reference to the flowchart of FIG.

  In step S101, the control means 60 determines whether or not the reception level L of the remote instruction (signal) from the remote operation device 80 is equal to or higher than the set value L1. If the control means 60 determines that the reception level L is greater than or equal to the set value L1, the control means 60 proceeds to step S102. When it is determined that the reception level L is less than the set value L1, the control unit 60 proceeds to step S103.

  In step S <b> 102, the control means 60 operates the discharge auger 32 based on a remote instruction from the remote operation device 80. After performing the process of step S102, the control unit 60 ends the control.

  In step S103, the control means 60 determines whether or not the reception level L of the remote instruction (signal) from the remote operation device 80 is equal to or higher than the set value L2. If the control means 60 determines that the reception level L is greater than or equal to the set value L2, the control means 60 proceeds to step S104. When it is determined that the reception level L is less than the set value L2, the control unit 60 proceeds to step S105.

  In step S104, the control means 60 operates the notification means 24 (specifically, the headlamp is lit or blinked for a predetermined time). That is, the control unit 60 notifies the worker using the notification unit 24. After performing the process of step S104, the control unit 60 proceeds to step S102.

  In step S105, the control means 60 operates the notification means 24. That is, the control unit 60 notifies the worker using the notification unit 24. The control means 60 ends the control after performing the process of step S105.

  As described above, when the reception level L is equal to or higher than the set value L1 (L ≧ L1> L2) (step S101), the control unit 60 does not activate the notification unit 24 and performs a remote instruction from the remote operation device 80. Based on this, the discharge auger 32 is operated (step S102). That is, when the reception level L is equal to or higher than the set value L1 (the strength of the radio wave is relatively strong), it is estimated that the remote control device 80 is relatively close to the combine 1. In this case, since the operator operates the discharge auger 32 from a position relatively close to the combine 1, the discharge auger 32 is brought into contact with an obstacle or the grain is discharged to a position desired by the operator. Operation mistakes such as being unable to do so are unlikely to occur. Therefore, the control means 60 operates the discharge auger 32 as usual.

  When the reception level L is less than the set value L1 and greater than or equal to the set value L2 (L1> L ≧ L2) (step S101 and step S102), the control unit 60 activates the notification unit 24 (step S104). The discharge auger 32 is operated based on a remote instruction from the remote control device 80 (step S102). That is, when the reception level L is less than the set value L1 and greater than or equal to the set value L2 (the radio wave intensity is slightly weak), it is estimated that the remote control device 80 is located slightly away from the combine 1. In this case, the control means 60 operates the notifying means 24 to urge the operator to approach the combine 1. Thus, the worker can recognize that he is at a position slightly away from the combine 1 and can take measures such as approaching the combine 1.

  Further, when the reception level L is less than the set value L2 (L1> L2> L) (step S103), the control unit 60 operates the notification unit 24 (step S105), but does not operate the discharge auger 32. Absent. That is, when the reception level is less than the set value L2 (the radio wave intensity is weak), the remote control device 80 is located far from the combine 1 or an obstacle between the remote control device 80 and the combine 1 Is presumed to exist. In this case, since the operator operates the discharge auger 32 from a position where it is difficult to visually recognize the combine 1 and the discharge auger 32, it is considered that an operation error is likely to occur. Therefore, the control means 60 activates the notification means 24 and prompts the operator to approach the combine 1. Further, in this case, since the control means 60 does not operate the discharge auger 32, an operation error such as bringing the discharge auger 32 into contact with an obstacle or being unable to discharge the grain to a position desired by the operator. Can be prevented in advance. Also, by controlling in this way, the remote control device can be used even if the radio abruptly breaks when the auto return function is activated (the discharge auger 32 is automatically operated) and the discharge auger 32 is stopped. It is also possible to prevent a situation in which the operation cannot be stopped from 80 (the operation of the discharge auger 32 cannot be controlled).

  As described above, the combine 1 according to this embodiment includes the discharge auger 32 that discharges the grains in the grain tank 17 to the outside, and the remote control device that transmits a remote instruction about the operation of the discharge auger 32 using wireless communication. 80 and a control means 60 for controlling the operation of the discharge auger 32 based on a remote instruction from the remote operation device 80, wherein the control means 60 is configured to receive a remote instruction from the remote operation device 80. Only when the reception level L is equal to or higher than the set value L1 (second set value), the discharge auger 32 is operated based on the remote instruction. With this configuration, when the reception level is less than the set value L2, the operation of the discharge auger 32 by the remote operation device 80 can be prohibited. That is, the operation of the discharge auger 32 by the remote operation device 80 when the remote operation device 80 is far away from the main body of the combine 1 can be prohibited, and the occurrence of an operation error can be prevented.

Further, when the reception level L of the remote instruction from the remote operation device 80 is less than the set value L1 (second set value), the control means 60 sets the reception level L of the remote instruction to the worker to the set value L1 (second set value). Informing means 24 for informing that the value is less than (second set value) is activated.
With this configuration, the operator can recognize that the reception level L is low. The worker who has received the notification can take measures such as approaching the main body of the combine 1 in order to increase the reception level L.

  The combine 1 also includes an operation level adjustment switch 23 and a notification level adjustment switch 22 (adjustment means) for adjusting the set value L2 (first set value) and the set L1 (second set value). With this configuration, the reception level (setting value L2) at which the operation of the discharge auger 32 is prohibited and the reception level (setting value L1) that informs the operator that the reception level L is low are arbitrarily adjusted. Therefore, workability according to the preference of the worker can be ensured.

  In the present embodiment, the set value L1 is set to be larger than the set value L2 (so that L1> L2). That is, the threshold value (set value L1) of the reception level L notified by the notification means 24 is set to be larger than the threshold value (set value L2) of the reception level L at which the operation of the discharge auger 32 is prohibited. With this configuration, the operator can be notified that the reception level L is low before the operation of the discharge auger 32 is prohibited. As a result, a situation in which the operation of the discharge auger 32 is suddenly prohibited without any notification can be prevented, and workability can be improved.

  In the present embodiment, the headlamp of the combine 1 is used as the notification means, but the present invention is not limited to this. That is, as the notification by the notification means, a warning sound may be emitted from a speaker provided in the main body of the combine 1, or the LED 83 of the remote operation device 80 may be turned on (or blinked).

  In this embodiment, the setting value L1 is set to be larger than the setting value L2 (so that L1> L2). However, the setting value L1 is smaller than the setting value L2. (L2> L1) can also be set.

1 Combine 17 Glen tank 22 Notification level adjustment switch (adjustment means)
23 Operation level adjustment switch (Adjustment means)
24 Notification means 32 Discharge auger 60 Control means 80 Remote control device

Claims (2)

A discharge auger that discharges the grain in the Glen tank to the outside, a remote control device that transmits a remote instruction about the operation of the discharge auger using wireless communication, and the discharge based on the remote instruction from the remote control device A combine comprising control means for controlling the operation of the auger,
The control means operates the discharge auger based on the remote instruction only when the reception level of the remote instruction from the remote control device is equal to or higher than the first set value.
When the reception level of the remote instruction from the remote control device is less than the second set value, the control means notifies the operator that the reception level of the remote instruction is less than the second set value. Combine that is characterized by operating . The combine according to claim 1, further comprising adjusting means for adjusting the first set value and / or the second set value .

Images