JP2013128459A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester that has a display device for displaying images taken by cameras installed on the body side and that allows an operator to efficiently and reliably perform an operation such as reverse travel, while an operator visually confirms behind him/her.SOLUTION: In the combine harvester, the display device 21 for displaying images taken by cameras 18 and 19 is provided at an operating part 8 which the operator gets in. The display device 21 is positioned at the rear of the operating part 8 so that the operator visually confirming behind him/her in the operating part 8 can visually confirm the image displayed in the display device 21. The cameras 18 and 19 are installed in such a way as to image a dead angle the operator visually confirming behind him/her, cannot see.

Description

  The present invention relates to a combine equipped with a display device that displays an image taken by a camera.

  A combine disclosed in Patent Document 1 in which a display device that displays an image captured by a camera is provided in a control unit on which an operator enters is known.

JP 2008-89 A

In the combine described in the above document, since an image captured by a camera attached to the machine body is displayed on the display device, the operator can efficiently operate while checking the surrounding situation.
However, since this display device is arranged obliquely above the front of the seat so that it can be seen by an operator facing forward, when the operator performs an operation such as reverse while viewing the rear, the display device In order to confirm the displayed image, it is necessary to look back and confirm the image on the display device each time, and it is difficult to perform work such as back running efficiently and reliably.

  The present invention provides a combine equipped with a display device that displays an image taken by a camera installed on the machine body side, so that an operator can efficiently and reliably perform operations such as reverse while observing the back. The issue is to provide.

  In order to solve the above problem, first, in a combine provided in the control unit 8 on which the operator gets in, the display device 21 for displaying images taken by the cameras 18 and 19 is put into the control unit 8 and the rear is visually observed. The display device 21 is arranged on the rear side of the control unit 8 so that a photographed image displayed on the display device 21 can be visually recognized by the operator in the state of being in a blind spot from the operator viewing the rear side. It is characterized in that the cameras 18 and 19 are installed so as to photograph the part.

  Second, the camera 18 is arranged on the rear end side of the aircraft so as to photograph the rear side of the aircraft.

  Thirdly, the discharge auger 9 for discharging the grain from the front end side is supported by the traveling machine body 3, and the camera 19 is placed at the front end portion of the discharge auger 9 so as to photograph the lower side of the front end portion of the discharge auger 9. It is characterized by providing.

  Fourthly, the traveling machine body is configured so that the roof 22 can be switched between a cover posture that extends to the control unit 8 side and covers the top of the control unit 8 and a retracted posture that is retracted and stored from the control unit 8 side. 3, the display device 21 is disposed at the rear side on the inner surface side of the roof 22, and the display device 21 is covered with the roof 22 in the retracted posture.

  Fifth, a support column 27 is erected at the rear of the control unit 8, and the roof 22 is advanced to the control unit 8 side to cover the upper side of the control unit 8, and retracted from the control unit 8 side and stored. The display device 21 is disposed on the support column 27 so as to be switchable to the storage posture, and the display device 27 is covered with a roof 22 in the storage posture.

  The display device is placed on the rear side of the control unit so that an operator who is in the control unit and viewing the back view can view the captured image displayed on the display device, and visually observe the rear side. The camera is set up to take a picture of the blind spot from the operator, and the operator who is looking at the back can check the blind spot from the image displayed on the display device. Therefore, it is possible to more efficiently and reliably perform operations such as back travel while the operator visually observes the rear.

  Also, according to what the camera is arranged on the rear end side of the aircraft so as to shoot the rear side of the aircraft, the entire rear of the aircraft including the blind spots can be confirmed by the image from the display device, Furthermore, an efficient and reliable operation can be performed.

  In addition, according to what supports the discharge auger for discharging the grain from the tip side to the traveling machine body and provides the camera at the tip of the discharge auger so as to photograph the lower side of the tip of the discharge auger, The lower side of the tip of the discharge auger, which is likely to become a blind spot, can be confirmed by an image from the display device, so that more efficient and reliable work can be performed, and the operation of the discharge auger itself is also displayed on the display device. It is possible to reliably perform while viewing the image.

  Further, the roof is supported on the traveling machine body so as to be switchable between a cover posture that advances to the control portion side and covers the upper portion of the control portion and a retracted posture that is retracted from the control portion side and stored. The device is arranged on the rear side on the inner surface side of the roof, and the display device is covered with the roof in the retracted position, or a prop is erected on the rear part of the control unit, and the roof is advanced to the control unit side. The display device is disposed on the support column so that it can be switched between a cover posture that covers the top of the control unit and a storage posture that is retracted and stored from the control unit side, and the display device is in the storage posture. The display device is protected by the roof when in the retracted position, so that rain, wind, sunlight, etc. are prevented and breakdowns are prevented. It is suppressed and good visibility is secured.

It is a side view of a combine to which the present invention is applied. It is a side view of the roof apparatus provided with the monitor. It is a rear view of the roof apparatus provided with the monitor. (A) is a top view which shows the state which is discharging | emitting grain to the truck bed located in the back side of a combine, (B) is discharging grain to the truck bed located in the side of a combine. It is a front view which shows the state which is carrying out, (C) is explanatory drawing which shows the state which is making the grain fall to the loading platform of a truck from the discharge part of an auger. It is a side view of the roof apparatus which shows another embodiment of this invention.

  FIG. 1 is a side view of a combine to which the present invention is applied. The illustrated combine 1 includes a traveling machine body 3 supported by a pair of left and right crawler traveling devices 2L and 2R, and a pre-processing unit 4 that is disposed in front of the traveling machine body 3 so as to be movable up and down. A threshing device (not shown) is installed on the left half of the traveling body 3 in the traveling direction (hereinafter simply “left”), and a grain tank 6 that stores grains such as straw is disposed on the right side of the traveling body 3. Is disposed behind the threshing device, and a control unit 8 into which an operator gets is provided in front of the Glen tank 6.

  During the forward traveling of the combine 1 (airframe), the cereal grains harvested by the pre-processing unit 4 being driven are sent to the threshing device. The threshing device threshs the cereals from the preprocessing unit 4 and sorts the threshing-processed product into effluents such as sawdust and grains such as cocoons. The discharged matter is discharged from the rear end portion of the traveling machine body 3 and the grain is stored in the glen tank 6. The grain in the grain tank 6 is discharged out of the machine by an auger (discharge auger) 9 supported on the right side of the rear end portion of the traveling machine body 3. After the threshing process, the cereal is discarded, and this slaughter is cut by the post-processing unit 7 or is discharged from the rear end side of the traveling machine body 3 as it is.

  The auger 9 is supported by a vertical cylinder 11 in a vertical direction supported so as to be rotatable about its own axis with respect to the traveling machine body 3, and supported by the upper end portion of the vertical cylinder 11 so as to be vertically swingable. A discharge tube 12 extending linearly from the upper end side is provided, and a discharge portion 12 a for discharging the grain is formed at the tip of the discharge tube 12. When the position of the discharge portion 12a of the auger 9 is changed by the left and right turning of the auger 9 that rotates the vertical cylinder 11 and the up and down movement of the auger 9 that swings the discharge cylinder 12 up and down, the auger 9 is driven to discharge. The grain in the Glen tank 6 moves to the discharge cylinder 12 through the vertical cylinder 11, and is dropped and discharged from the discharge portion 12a. Incidentally, when not in use, the auger 9 is stored on the upper surface side of the traveling machine body 3 in a state where the auger 9 is tilted forward and obliquely leftward from the base end toward the tip.

  The steering unit 8 supports the multi-steering lever 13 so that it can swing back and forth and swing left and right in front of a seat (not shown) on which the operator is seated, and can swing the traveling speed change lever 14 to the side of the seat. An auger operating section 16 that supports and turns the auger 9 left and right and lifts and turns on and off the auger discharge drive is installed at the rear of the seat. Has been.

  The travel shift lever 14 performs forward / reverse switching and travel shift operation by swinging, and the multi-steer lever 13 performs steering operation of the body by swinging left and right, and ascends and descends the preprocessing unit 4 by swinging back and forth. Perform the operation. That is, the multi-steering lever 13 functions as a lifting lever that moves the preprocessing unit 4 up and down, and also functions as a steering lever that performs a steering operation.

  In the combine 1 having such a configuration, there are cases where the operator performs a backward operation of the machine body, a left-right turn or lift operation of the auger 9, or a discharge operation of the auger 9 with the operator facing rearward. At this time, because the Glen tank 6, the post-processing unit 7 and the threshing device are arranged, there is a part that becomes a blind spot around the body, and a plurality of cameras 18 and 19 that photograph the part that becomes the blind spot are attached to the body. A monitor (display device) 21 that is installed and displays images taken by the cameras 18 and 19 is installed on the roof device 17 side.

  Specifically, since it is difficult to see the rear side of the traveling machine body 3 (airframe) or the lower side of the tip of the auger 9, the camera (rear camera) 18 whose shooting direction is directed obliquely downward to the rear is connected to the rear of the traveling machine body 3. A camera (tip camera) 19 that is installed on the upper side of the end and whose shooting direction is directed downward is installed on the tip side of the auger 9. When the auger 9 is stored, the cutting state of the preprocessing unit 4 can be photographed by the tip camera 19.

Next, the configuration of the roof device 17 and the monitor 21 installed in the roof device 17 will be described in detail with reference to FIGS.
2 and 3 are a side view and a rear view of the roof device 17 provided with the monitor 21. FIG. The roof device 17 includes a horizontal plate-like roof 22 and a support mechanism 23 that movably supports the roof 22 on the traveling machine body 3 side.

  The roof 22 is formed in a plan view rectangular plate shape with the front and rear and left and right sides extending downward, and on the lower surface (inner surface) side of the roof 22 where the frame portion 22a is provided, the frame portion 22a and A sheet-like cushion material 24 is attached in a stored state so as to be sandwiched between the lower surface of the roof 22.

  The support mechanism 23 is supported by a support member (support) 27 that rises upward from an engine frame 26 that is a frame body on the engine side, and a lower end side of the support member 27 that is supported by a lower bracket 28 so as to be pivotable forward and backward. A pair of left and right support arms 29 and an auxiliary arm 31 along one support arm 29 are provided. The upper end portions of the left and right support arms 29 are connected to the frame portion 22a of the roof 22 via the upper bracket 32 so as to be able to rotate back and forth, and the auxiliary arm 31 is parallel to the support arm 29 so that the upper and lower ends thereof are parallel to each other. Are supported by the lower bracket 28 on the support member 27 side and the upper bracket 32 of the frame portion 22a of the roof 22 so as to be rotatable in the front-rear direction.

  As a result, the support arm 29 and the auxiliary arm 31 form a parallel link, and the parallel link enables the roof 22 to be translated in the front-rear and oblique directions in a fixed posture that is maintained horizontal or substantially horizontal.

  Specifically, the roof 22 advances to the upper side of the control unit 8 and covers the upper side of the control unit 8 by the above-mentioned parallel movement, and retracts from the upper side of the control unit 8 obliquely downward to the rear. Thus, the attitude can be switched to the retracted attitude stored immediately behind the control unit 8. Incidentally, in the retracted posture, the support arm 29 and the auxiliary arm 31 are laid down and folded on the lower surface side of the roof 22, while in the cover posture, the support arm 29 and the auxiliary arm 31 stand up and move forward. Expanded to the side.

  Further, the middle portion of the support arm 29 on the side close to the auxiliary arm 31 and the frame portion 22a of the roof 22 are connected by a gas cylinder 33 which is an elastic member urged in the extension direction. Therefore, the roof 22 is always urged toward the cover posture switching side, and a positioning member 34 for positioning and fixing the roof 22 in the cover posture and the retracted posture is provided on the lower end side of the support arm 29. Is provided.

  The engine including the engine frame 26 is disposed directly below the support member 27, and the outer side of the engine is openably and closably covered by an engine cover 36, and the upper side of the engine is covered by an upper cover 37. The lower and middle portions of the support member 27 are covered and protected by the upper cover 37.

  The monitor 21 is a liquid crystal monitor having a rectangular plate shape as a whole, and the monitor 21 is mounted and supported on left and right support arms 29 (support mechanism 23) by mounting brackets 38. In other words, the monitor 21 is disposed on the inner surface side rear portion of the roof 22.

  Specifically, the rear extending portion of the angle-shaped mounting bracket 38 having an L-shaped flat cross-sectional shape extending inwardly and laterally and extending in the vertical direction is the upper end of each of the left and right support arms 29. It is attached and fixed to the inner side part of the part by welding or the like. The monitor 21 is fixedly installed between the left and right support arms 29 and 29 by fixing the left and right end portions of the back surface of the monitor 21 to the front surfaces of the left and right mounting brackets 38 and 38 with bolts. . That is, the monitor 21 is attached to the support mechanism 23 so as to move integrally with the support arm 29.

  When the roof 22 is switched to the cover posture, the monitor 21 is positioned above the rear end of the control unit 8 and the display unit 21a that displays the captured images from the cameras 18 and 19 is directed forward. An operator turning around (looking at the back) can view the captured images from the cameras 18 and 19.

  When the roof 22 is switched to the retracted posture, the display portion 21a of the monitor 21 faces upward according to the fall of the support arm 29 and comes into close contact with the cushion material 24 on the inner surface side of the roof 22, and in this state, the monitor 21 The whole is housed and protected (covered) on the inner surface side of the roof 22. In particular, since the display portion 21a is in close contact with the cushion material 24, it is possible to efficiently prevent dust and the like from attaching.

Next, based on FIG.1 and FIG.4, the utilization means of the monitor 21 at the time of grain discharge is demonstrated.
FIG. 4A is a plan view showing a state in which the grain is discharged to the truck bed located on the rear side of the combine, and FIG. 4B is a diagram showing the grain on the truck bed located on the side of the combine. It is a front view which shows the state which is discharging | emitting, (C) is explanatory drawing which shows the state which is making the grain drop and discharge from the discharge part of an auger to the loading platform of a truck.

  After the auger 9 is turned left and right and moved up and down toward the loading platform T1 of the truck T located behind or on the side of the combine 1, the auger 9 is driven to be discharged. At this time, the combine 1 is located in the field. On the other hand, since the truck T is located on a fence or the like outside the field and the position of the loading platform T2 of the truck T is higher than the combine 1, it may be difficult for the operator to visually observe the situation inside the loading platform T1. In such a case, a captured image from the front end camera 19 is confirmed on the monitor 21, and the position on the front end side of the auger 9 is appropriately adjusted by the image from the monitor 21, or the discharge direction from the discharge portion 12a By appropriately changing the value, it becomes possible to discharge the grain to an appropriate position on the loading platform T1.

Next, a different point from the above-mentioned form is demonstrated about another embodiment of this invention based on FIG.
FIG. 5 is a side view of a roof apparatus showing another embodiment of the present invention. In the example shown in the figure, the monitor 21 is attached and fixed to the front side of the support member 27 with the display unit 21a facing forward. The monitor 21 is covered on the upper side by a roof 22 in the retracted position. Protected. Moreover, the support member 27 that is firmly fixed to the traveling machine body 3 side is less susceptible to vibration from the machine body side, and as a result, the monitor 21 is also less likely to vibrate, so that the operator visually observes the image displayed on the monitor 21. It becomes easy.

8 Control part 9 Auger (discharge auger)
18 Rear camera (camera)
19 Advanced Camera (Camera)
21 Monitor (display device)
27 Support member (support)

Claims (5)

  In the combine provided in the control unit (8) on which the operator gets in, the display device (21) for displaying an image taken by the camera (18, 19) is put in the control unit (8) and the back is visually observed. The display device (21) is disposed on the rear side of the control unit (8) so that the operator in the state can visually recognize the photographed image displayed on the display device (21), and the operator is viewing the rear side. Combines with a camera (18, 19) installed to take a picture of the blind spot.   The combine according to claim 1, wherein the camera (18) is arranged on the rear end side of the body so as to photograph the rear side of the body.   The discharge auger (9) for discharging the grain from the front end side is supported by the traveling machine body (3), and the camera (19) is connected to the discharge auger (9) so as to photograph the lower side of the front end portion of the discharge auger (9). The combine according to any one of claims 1 and 2 provided at the tip of 9).   The roof (22) can be switched between a cover posture that advances to the control portion (8) side and covers the upper portion of the control portion (8), and a retracted posture that is retracted from the control portion (8) side and stored. The display device (21) is disposed on the inner surface side rear portion of the roof (22), and the display device (21) is covered with the roof (22) in the retracted posture. Item 4. A combine according to any one of Items 1 to 3.   A support posture (27) is erected at the rear part of the control unit (8), the roof (22) is advanced to the control unit (8) side and covers the upper part of the control unit (8), and the control unit ( 8) The column (27) is supported by the column (27) so as to be switchable to the retracted storage position retracted from the side, and the display device (21) is disposed on the column (27). 4. Combine according to claim 1, wherein the combine is covered by a roof (22).

Images