Work vehicles

Abstract

To solve such a problem that there are areas that are difficult for a worker to see when looking straight ahead since conventional back monitors are arranged in such a way that they overlap with a portion of a glass window on the front side.SOLUTION: In a combine-harvester including: a travel vehicle body 2 having a travel device 4; a reaping device 15 for reaping grain culms from a farm field; a threshing device 6 for separating the grains by taking over the grain culms from the reaping device 15; a cabin 23 where a worker is seated; and a transparent member 40 which constitutes the front surface and the side surface of the cabin 23, there are provided a back camera 41 which images the rear of the machine body and a back monitor 35 which displays the image captured by the back camera 41, a ceiling interior panel 36 which covers from a cabin roof 25 of the cabin 23 to the upper part of the transparent member 40 is installed, the back monitor 35 is positioned such that it avoids the transparent member 40 of the front surface and side surface and overlaps with the ceiling interior panel 36, and the back monitor 35 is arranged so as to be biased towards one side of the left and right sides of the machine body with respect to the one side end of the left and right sides of a work seat 21 in the cabin 23.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a work vehicle equipped with a cabin. [Background technology]

[0002] Conventionally, the cabin of a combine harvester is equipped with an operation panel and air conditioning unit inside, a cabin roof on the ceiling, and most of the front and both sides are made of transparent glass windows, making it highly visible and comfortable to live in. In addition, a configuration is known in which a rear monitor is provided on the upper part of the glass window on the front side and displays an image from a camera capturing the rear view, allowing the operator to check the condition of the rear of the aircraft without having to look back (see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2011-223891 A Summary of the Invention [Problem to be solved by the invention]

[0004] In the farmland example, the rear monitor is arranged so that it overlaps with a part of the front glass window, so there is a problem that some parts are not visible when the operator looks forward. This causes problems such as not noticing the state of rice vegetation or the presence of obstacles ahead, leaving stalks in the field, or damaging the machine body by contacting obstacles. The present invention has been made in view of the above, and is devised so that the rear monitor does not block the front windshield. [Means for solving the problem]

[0005] The invention of claim 1 relates to a combine harvester including a traveling vehicle body 2 equipped with a traveling device 4, a harvesting device 15 for harvesting stalks from a field, a thresher 6 for taking over the stalks from the harvesting device 15 and separating the grains, a cabin 23 for an operator to ride in, and a transparent member 40 constituting the front and side of the cabin 23, the combine harvester is provided with a backup camera 41 for photographing the rear of the vehicle body, and a backup monitor 35 for displaying the image photographed by the backup camera 41, and a ceiling interior panel 36 for covering the cabin 23 from the cabin roof 25 to the upper part of the transparent member 40, the backup monitor 35 is positioned so as to avoid the transparent members 40 on the front and side and overlap the ceiling interior panel 36, and the backup monitor 35 is positioned offset to one of the left and right sides of the vehicle body from one of the left and right ends of the work seat 21 in the cabin 23, A control panel 50 is disposed on the side of the work seat 21 on the side where the back monitor 35 is provided in the cabin 23, a front panel 52 is provided in front of the control panel 50 in the cabin 23, and a display monitor 53 that displays various information about the aircraft is disposed in front of the work seat 21 in the cabin 23, The rear monitor 35 and the display monitor 53 are disposed on the same side in the left-right direction with respect to the work seat 21. The combine harvester is characterized by the above. In the invention of claim 2, a protruding space 43 is formed on the front side of the aircraft body and on one of the left and right sides of the ceiling interior panel 36, which is curved in a convex shape toward the inside of the aircraft body, and the back monitor 35 provided in the protruding space 43 is inclined downward on the other left and right side of the aircraft body facing the work seat 21, and the back monitor 35 is The combine harvester according to claim 1, characterized in that the mounting fixture 44 is arranged so that the angle can be adjusted to a certain extent. The invention of claim 3 is a combine harvester as described in claim 1 or 2, characterized in that an external roof 25 covering the upper part of the cabin 23 is arranged to form an interior cabin space 25a between it and a ceiling interior panel 36, a GPS antenna 38 of a position information acquisition device 31 that acquires the aircraft's own position information is provided within the interior cabin space 25a, the GPS antenna 38 is arranged at a position lower than the top of the body, and the GPS antenna 38 is configured so that a path for attachment and detachment appears by removing other components from within the cabin 23, a driving control device 46 is provided at the bottom of the cabin 23, and the GPS antenna 38 of the position information acquisition device 31 and the driving control device 46 are connected by a communication cable 48 that passes through a vertically long rear cover 47 inside the cabin 23 provided on the rear side of the body inside the cabin 23. The invention of claim 4 is a combine harvester as described in claim 1 or 2, characterized in that an operation panel 50 is arranged inside the cabin 23, to the side of the work seat 21, so that it can be freely rotated on a horizontal axis, a front panel 52 is provided in front of the operation panel 50 inside the cabin 23, and is equipped with a rotation lock mechanism 51 that locks the rotation of the operation panel 50 to a used state and unlocks it to a non-used state, a display monitor 53 that displays various information about the machine is arranged in front of the work seat 21, and the upper end of the display monitor 53 is located lower on the machine than the upper end of the operation panel 50, and the lower end is located at the same height as the upper end of the front panel 52. The invention of claim 5 is a combine harvester as described in claim 4, characterized in that a speed change lever 54 for increasing or decreasing the output and for controlling forward and backward movement is provided on the operation panel 50, an extended convex portion 55 is formed on the lower side of the body extending from the center to the front in the fore-and-aft direction of the operation panel 50, the pivot point 56 of the speed change lever 54 is located within the extended convex portion 55, and the extended convex portion 55 has a forward downward inclination toward the front of the body at least from the rear side of the body to just before the pivot point 56, forming a foot rest space 57. Effect of the Invention

[0006] In the invention of claim 1, a backup camera 41 is provided for photographing the rear of the vehicle, and a backup monitor 35 is provided for displaying the image photographed by the backup camera 41. A ceiling interior panel 36 (inner roof) is provided to cover the cabin 23 from the cabin roof 25 to the top of the transparent member 40. The backup monitor 35 is positioned so as to overlap the ceiling interior panel 36, avoiding the transparent members 40 on the front and sides. The backup monitor 35 is positioned biased toward one of the left and right sides of the vehicle (= the left hand side of the worker on board) rather than the left or right end of the work seat 21 in the cabin 23. Therefore, the backup monitor 35 allows the operator to check the rearward condition while facing forward while boarding the cabin 23, thereby preventing the vehicle from being damaged by coming into contact with obstacles in the reversing position or walls at the edge of fields. By arranging the rear monitor 35 so as to overlap with the non-transparent ceiling interior panel 36, the rear monitor 35 does not block (obstruct) the visibility range of the transparent member 40 on the front and sides, and a decrease in visibility is prevented except when reversing. In addition, by disposing the rear monitor 35 offset toward one of the left and right sides of the machine body from the left and right ends of the work seat 21, the rear monitor 35 is less susceptible to the influence of light entering through the transparent members 40 on the left and right sides, and the visibility of the rear monitor 35 is prevented from decreasing even in so-called backlit conditions. In the invention of claim 2, a protruding space 43 is formed on one of the left and right sides of the front side of the aircraft of the ceiling interior panel 36, which is curved in a convex shape toward the inside of the aircraft, and the rear monitor 35 provided in the protruding space 43 is inclined downward on the other left or right side (outside) of the aircraft toward the work seat 21, and the rear monitor 35 is positioned so that the angle can be adjusted to a certain extent by a flexible mounting fixture 44 such as a (limited) ball joint, so that the rear monitor 35 does not cover (obstruct) the transparent member 40, thereby ensuring forward and lateral visibility, and making it possible to easily operate operation buttons and touch panels attached to the rear monitor 35 from the work seat 21. By allowing the angle of the rear monitor 35 to be changed to some extent, the rear monitor 35 can be positioned so as to be easily visible and less susceptible to the physique of the worker or to light reflection. In the invention of claim 3, the external roof 25 covering the upper part of the cabin 23 is arranged to form an internal cabin space 25a between the external roof 25 and the ceiling interior panel 36, and a GPS antenna 38 of a position information acquisition device 31 that acquires the aircraft's own position information (by receiving a signal from a satellite) is provided in the internal cabin space 25a, the GPS antenna 38 is arranged at a position lower than the top of the aircraft body (top surface of the auger), and the GPS antenna 38 is configured so that a path for attachment and detachment appears by removing other members (inside the ceiling interior panel 36) from inside the cabin 23, and the lower part of the cabin 23 (at the feet of the operator) A driving control device (straight-line assist controller) 46 is provided in the cabin 23, and the GPS antenna 38 of the position information acquisition device 31 and the driving control device 46 are connected by a communication cable 48 that passes through a vertically long rear cover 47 inside the cabin 23 that is provided at the rear of the aircraft inside the cabin 23.By providing the GPS antenna 38 of the position information acquisition device 31 in the cabin space 25a, the GPS antenna 38 is less susceptible to the effects of heat and dust generated during work, and the driving control device 46 can guide the aircraft to an appropriate work position based on accurate position information. By connecting the GPS antenna 38 of the position information acquisition device 31 and the driving control device 46 with a communication cable 48 that passes through the rear cover 47 of the cabin 23 in the vertical direction provided inside the cabin 23, an operator will not accidentally touch the communication cable 48 and break it, and since the wiring is difficult to see, the aesthetic appearance of the aircraft configuration is improved. In the invention of claim 4, a control panel (side control panel) 50 is arranged inside the cabin 23 to the side of the work seat 21 (on the worker's left hand side) so that it can be freely rotated along a horizontal axis, and a front panel 52 equipped with a rotation lock mechanism 51 which locks the rotation of the control panel 50 to a used state and unlocks it to a non-used state is provided in front of the control panel 50 inside the cabin 23, and a display monitor 53 which displays various information about the machine is arranged in front of the work seat 21, and the upper end of the display monitor 53 is located lower on the machine than the upper end of the control panel 50, and its lower end is located at the same height as the upper end of the front panel 52, so that the control panel 50 can be prevented from rotating due to vibration during harvesting work, thereby preventing the occurrence of operating errors and a decrease in operability. Furthermore, by making the operation panel 50 rotatable during maintenance, the maintenance work space can be expanded by rotating the operation panel 50, thereby improving work efficiency. Since the display monitor 53 fits between the upper and lower ends of the operation panel 50, the display monitor 53 does not obstruct the view toward the bottom of the cabin 23, ensuring visibility. In the invention of claim 5, a speed change lever 54 (HST lever) for increasing / decreasing power and for controlling forward / reverse movement is provided on the operation panel 50, and an extended protrusion 55 is formed on the lower side of the aircraft extending from the center of the operation panel 50 in the fore-and-aft direction to the front, and the pivot point 56 of the speed change lever 54 is arranged within the extended protrusion 55, and the extended protrusion 55 is inclined downward toward the front of the aircraft at least from the rear side of the aircraft to just before the pivot point 56, forming a foot protection space 57. Therefore, by arranging the pivot point 56 of the speed change lever 54 within the extended protrusion 55, the components near the pivot point 56 are not exposed, which prevents malfunctions due to unexpected contact and improves the appearance. By shaping the extension protrusion 55 so that a foot space 57 is formed behind the extension protrusion 55, the movement of the worker's feet is less likely to be restricted, preventing a decrease in operability and improving livability. [Brief description of the drawings]

[0007] [Figure 1] Left side view of the combine. [Diagram 2] Right side view of the combine harvester. [Diagram 3] Top view of a combine harvester. [Figure 4] A plan cross-section of the combine harvester's cabin. [Diagram 5] Right side longitudinal section of the cabin. [Figure 6] Partial longitudinal cross-sectional view of the cabin. [Figure 7] A partial longitudinal cross-section of the right side of the cabin. [Figure 8] FIG. 13 is a cross-sectional view for explaining the operation of the hot / cold storage unit. [Figure 9] Partial longitudinal cross-sectional view of the cabin. [Figure 10] Bottom cross section of the cabin. [Figure 11] A partial longitudinal cross-section of the right side of the cabin. [Figure 12] A partial longitudinal cross-section of the left side of the cabin. [Figure 13] FIG. [Figure 14] Partial front view of the cabin. [Figure 15] A partial longitudinal cross-section of the left side of the cabin. [Figure 16] Partial longitudinal cross-sectional side view of the cabin. [Figure 17] FIG. [Figure 18] A partial longitudinal cross-section of the cabin. [Figure 19] A partial longitudinal cross-section of the cabin. [Figure 20] FIG. 2 is a perspective view of the cabin monitor area. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] A combine harvester 1, which is an example of a work vehicle according to an embodiment of the present invention, will be described below with reference to the attached drawings. In order to facilitate understanding, the directions are conveniently indicated as the front side, the rear side, the right hand side, and the left hand side as seen from the operator, but the configuration is not limited to these. <Overall configuration of combine harvester> As shown in Figures 1 to 3, the combine harvester 1 has a traveling device 4 on the lower side of a chassis 2, on which a pair of left and right traveling crawlers 3 are stretched, which travel on the soil surface, and on the left and right sides of the chassis 2, a threshing device 6 that threshes and sorts the stalks that are clamped and transported by a feed chain 5, a grain tank 7 as a storage device for temporarily storing the grains, and a grain discharging auger 8 that discharges the grains stored in the grain tank 7 outside the machine are mounted, and a straw waste processing device 9 is mounted on the rear end of the threshing device 6. The grain discharging auger 8 is raised and lowered by operating an auger lifting cylinder when discharging grains.

[0009] A harvesting device 15 having a grass dividing body 11 that divides uncut stalks from the front end side, a raising section 12 that raises the divided stalks, a cutting blade section 13 that cuts the raised stalks, and a supply adjustment transport section that rakes in the cut stalks and adjusts the handling depth during transport and hands them over to the feed chain 5 is suspended from the front end of the chassis 2 in front of the threshing device 6 so that it can be freely raised and lowered relative to the soil surface by a harvesting lifting cylinder. An operating device for controlling the operation of the combine 1 and an operating seat 21 where an operator sits are provided at the upper rear of the harvesting device 15, an engine 22 is mounted below the operating seat 21, the grain tank 7 is positioned at the rear, and a cabin 23 is provided to cover the operating device and operating seat 21, and the traveling device 4, threshing device 6, harvesting device 15, operating device, engine 22, cabin 23, etc. are mounted on the chassis 2 of the combine.

[0010] The operating device is equipped with various operating tools such as a main speed change lever that operates a speed change actuator that switches between forward / reverse travel and stopping and switches the main speed change when operated forward / reverse by an operator seated in the operating seat 21, a left / right traveling actuator that operates the left / right side clutches and left / right side brakes of the left / right traveling crawlers 3, 3 when tilted left / right to perform left / right steering when traveling straight and turning in various turning modes, and a steering lever that operates the harvesting lifting cylinder when operated forward / backward to raise and lower the harvesting device 15, a harvesting / threshing lever that operates the harvesting / threshing clutch actuator to turn the drive of the harvesting device 15 and the threshing device 6 on and off, an auger operating lever that moves the position of the discharge outlet 8a at the tip of the threshing auger 8 in the vertical direction by operating the auger lifting cylinder and in the horizontal direction by operating the left / right turning actuator, and an auger drive switching lever that operates the auger drive electromagnetic clutch that turns the drive of the threshing auger 8 on and off to discharge the grains in the grain tank 7 out of the machine from the discharge outlet 8a.

[0011] <Cabin> As shown in Figures 1 to 3, the cabin 23 is configured in a box shape with a cabin roof 25 provided on the upper part of a cabin frame 24 whose base is fixed to the chassis 2, and is equipped with a door 26 that opens and closes at the front and has a right glass window 26a on the right side, a left glass window 27 on the left side, a windshield window 28 on the front side, and a rear glass window 29 on the rear side. As shown in Figures 4 to 7, an air conditioning unit 30 is provided in the central front-to-rear position on the upper left side of the cabin 23, and a GNSS unit 31 as a position information acquisition device and a hot / cold storage unit 32 as a storage unit for keeping PET bottles 30a, 30b, canned bottles, etc. cool and warm are provided behind the air conditioning unit 30. The GNSS unit 31 is arranged within the left-right width of the air conditioning unit 30, and the hot / cold storage unit 32 is arranged in a position where its left side overlaps with the right side of the air conditioning unit 30. Furthermore, by arranging the GNSS unit 31 within the front-to-rear width of the hot / cold storage unit 32, it can be arranged without protruding rearward from the cabin 23.

[0012] Therefore, the air conditioning unit 30, the GNSS unit 31, and the hot / cold storage 32 can be arranged compactly in the upper left space inside the cabin 23. In addition, the GNSS unit 31 and the hot / cold storage unit 32 are placed by utilizing the dead space behind the air conditioning unit 30, and the air conditioning unit 30 and the hot / cold storage unit 32 are positioned so that they overlap in the left-right direction, so that the space within the cabin 23 can be utilized effectively and the unit is prevented from protruding significantly into the living space within the cabin 23 or outside the cabin 23. Furthermore, by providing the GNSS unit 31 inside the cabin 23, the appearance is improved. The bottom surface of the GNSS unit 31 is configured to be higher than the bottom surface of the hot / cold storage unit 32, improving rear visibility. The GNSS unit 31 is disposed protruding to the left of the left end of the operator seat 21, ensuring a spacious interior space.

[0013] A front duct 33F is extended from the front right side of the air conditioning unit 30 toward the upper part of the cabin 23 toward the front, then curved (detouring) to protrude to the left in front of the air conditioning unit 30, and then extended from the left side to the right side of the front part of the cabin 23, and further extended rearward on the right side of the cabin 23 to the right side of the operator's seat 21. The front duct 33F is provided with left and right front air outlets 34a, 34b at the front part of the cabin 23, and further provided with front and rear right air outlets 34c, 34d at the right part of the cabin 23 as side air outlets. The left and right front air outlets 34a, 34b provided at the front inside the cabin 23 are configured to blow out conditioned air downward, and also serve as a defroster for the windshield window 28.

[0014] A monitor 35 is disposed in a portion where the front left portion of the front duct 33F is curved (detouring) to increase the interior space of the cabin 23. The monitor 35 is attached so as to be embedded into the interior side of the interior panel 36, giving it a sense of unity as if it were embedded in the interior panel 36 and providing a good appearance. In addition, the monitor 35 is positioned above the underside of the interior panel 36 to prevent light reflection, and is located to the left of the rearview mirror (or a rearview monitor) 37 located in the center of the front left and right, making it easy for the operator seated in the operating seat 21 to see. In addition, a rear duct 33R is extended from the rear right side of the air conditioning unit 30 in a bifurcated manner toward the front and rear at the upper part of the cabin 23, and a left front air outlet 34e is provided as a side air outlet at the part where the rear duct 33R extended toward the front reaches the left side of the operator's seat 21, and the end extended toward the rear opens at the top of the hot and cold storage cabinet 32 ​​to spray conditioned air into the hot and cold storage cabinet 32. In addition, a left rear air outlet 34f is provided as a rear air outlet on the opening and closing door 32a, and conditioned air is blown out to the rear of the operator's seat 21 to condition the back of the pilot.

[0015] The front intake port 33Fa at the base of the front duct 33F connected to the front side of the right side of the air conditioning unit 30 is wider than the rear intake port 33Ra at the base of the rear duct 33R connected to the rear side of the right side of the air conditioning unit 30. Therefore, the front duct 33F is a long duct that runs from the left to the right through the front inside the cabin 23, in which the four left and right front air outlets 34a, 34b and the front and rear right air outlets 34c, 34d are provided, but a sufficient volume of conditioned air can be secured from the air conditioning unit 30 through the wide front intake port 33Fa, allowing for good air conditioning. In addition, the rear duct 33R has a relatively short path for blowing out conditioned air from the left front air outlet 34e near the air conditioning unit 30 and the left rear air outlet 34f via the hot / cold storage unit 32, so that a sufficient air conditioning effect can be obtained even through the narrow rear intake port 33Ra from the air conditioning unit 30.

[0016] In addition, conditioned air is blown from the air conditioning unit 30 through the rear duct 33R to the hot / cold storage 32, and fresh conditioned air is blown into the hot / cold storage 32 and then blown out from the left rear air outlet 34f, so that the inside of the hot / cold storage 32 can always be cooled or heated with fresh conditioned air. In addition, conditioned air is discharged from the air conditioning unit 30 through the rear duct 33R to an upper position inside the hot / cold storage unit 32 and then discharged from the lower left rear air outlet 34f into the cabin 23, thereby improving the cooling and heating efficiency of the hot / cold storage unit 32. Furthermore, since the left rear air outlet 34f is provided on the door 32a of the hot / cold storage 32, it can be arranged without providing a separate space for the outlet, resulting in a simple and inexpensive configuration. The front duct 33F and the rear duct 33R are integrally formed from synthetic resin. Although the ducts are separate front and rear, by forming them integrally, the number of parts does not increase and manufacturing costs can be reduced.

[0017] The bottom surface of the hot / cold storage 32 is disposed higher than the bottom surface of the air conditioning unit 30, ensuring a large space inside the cabin 23. The hot / cold storage 32 is disposed in the upper left rear part of the cabin 23 and does not obstruct the forward visibility of the operator seated in the operator's seat 21. The hot / cold storage 32 is disposed behind the operation seat 21. Therefore, even if the plastic bottles 30a, 30b, etc. in the hot / cold storage 32 fall, they will not hit the operator sitting in the operation seat 21. The hot / cold storage 32 is disposed near the backrest of the operator's seat 21. Therefore, the hot / cold storage 32 is not far from the operator's seat 21, which is the pilot's seat, and is therefore easy to use. The door 32a of the hot / cold storage 32 has a pivot shaft in the front-rear direction at the bottom end and is configured so that the top opens downward toward the front, so that the plastic bottles 30a, 30b, etc. placed inside will not fall out even if the door 32a is opened. In addition, a hook 32b that can be operated from the outside is provided at the top of the door 32a to keep it closed.

[0018] Hoses 30c of the air conditioning unit 30 are routed below the hot / cold storage unit 32, making effective use of the space below the hot / cold storage unit 32. A left rear glass window 27a disposed behind the left glass window 27 is provided up to the bottom surface of the hot / cold storage unit 32, improving visibility to the left rear. As shown in FIG. 8, the hot / cold storage 32 can accommodate two 500 ml plastic bottles 30a horizontally, or three 350 ml plastic bottles 30b vertically. As shown in FIG. 9, the hot / cold storage 32 has a recess 32c on the inner bottom surface thereof for preventing a 500 ml plastic bottle 30a from rolling when stored horizontally. A space 25a is provided between the upper surface of the hot / cold box 32 and the cabin roof 25, so that the temperature of the cabin roof 25 is not directly transferred to the hot / cold box 32. As shown in FIG. 10, the base of the mounting portion 35a of the monitor 35 is mounted in a monitor mounting hole 35b provided on the underside of the interior panel 36, providing a neat appearance.

[0019] The hot / cold storage 32 has its bottom attached to a cold storage attachment hole 32d provided on the underside of the interior panel 36, giving it a neat appearance. In the above embodiment, an example of a hot / cold storage cabinet 32 ​​is shown as a storage cabinet, but it may also be a cold storage cabinet that functions using cold air from the air conditioning unit 30, or a warm storage cabinet that functions using hot air from the air conditioning unit 30. In summary, by providing the air conditioning unit 30, the front duct 33F, the rear duct 33R and the multiple air outlets 34a, 34b, 34c, 34d, 34e, and 34f at the top of the cabin 23, a spacious living space can be ensured within the cabin 23. In addition, by making the front intake port 33Fa of the front duct 33F, which has a longer air blowing distance, wider than the rear intake port 33Ra of the rear duct 33R, which has a shorter air blowing distance, conditioned air can be sent evenly from the air conditioning unit 30 to the multiple air outlets 34a, 34b, 34c, 34d, 34e, and 34f around the cabin 23, the temperature inside the cabin 23 can be changed as evenly as possible, and an easy-to-work environment can be realized.

[0020] In addition, the rear duct 33R guides the conditioned air to the hot / cold storage 32 that keeps PET bottles 30a, 30b, canned bottles, etc., cool or warm, and a rear air outlet 34f is provided in the hot / cold storage 32, so that the hot / cold storage 32 can be positioned utilizing the guide path of the conditioned air, thereby ensuring a large living space in the cabin 23. In addition, since the hot / cold storage 32 is disposed on the rear side of the cabin 23 and its bottom is positioned higher than the bottom of the air conditioning unit 30, a large living space can be secured within the cabin 23. Furthermore, since the rear air outlet 34f is provided on the opening and closing door 32a, the space required for the air conditioner can be further reduced. In addition, the door 32a of the hot / cold storage unit 32 is configured to open with the upper side facing downward toward the front on a pivot axis provided at the bottom, and the hot / cold storage unit 32 and the rear air outlet 34f are positioned rearward of the operation seat 21, so that conditioned air can be sent to the rear of the operation seat 21, improving the comfort of the cabin 23. Even if the door 32a opens unintentionally and the plastic bottles 30a, 30b etc. inside fall out, they are positioned so that they are unlikely to hit the operator seated in the operation seat 21, ensuring safety.

[0021] In addition, the air conditioning unit 30, rear duct 33R, hot / cold storage 32, and position information acquisition device 31 can be arranged compactly by utilizing the upper space of the cabin 23, thereby ensuring a spacious living space inside the cabin 23. In addition, the monitor 35 is disposed in a portion where the interior space of the cabin 23 is enlarged by curving the front duct 33F, so that a large living space of the cabin 23 can be secured and the monitor 35 can be disposed in a place where it is easily visible, enabling efficient work. In addition, the front air outlets 34a, 34b located at the top of the windshield window 28 blow out conditioned air toward the bottom of the windshield window 28, which also serves as an anti-fogging function (defroster) for the windshield window 28 to prevent a decrease in visibility.

[0022] The combine harvester includes a traveling body 2 equipped with traveling gear 4, a harvesting device 15 that harvests stalks from the field, a thresher 6 that takes over the stalks from the harvesting device 15 and separates the grains, a cabin 23 for an operator to ride in, and a transparent member 40 (=glass, synthetic resin) that forms the front and sides of the cabin 23. The combine harvester is provided with a backup camera 41 that photographs the rear of the machine body and a backup monitor 35 that displays the image photographed by the backup camera 41, a ceiling interior panel 36 (inner roof) that covers from the cabin roof 25 of the cabin 23 to the top of the transparent member 40, and the backup monitor 35 is positioned so as to overlap the ceiling interior panel 36, avoiding the transparent members 40 on the front and sides, and the backup monitor 35 is positioned offset toward one of the left and right sides of the machine body (=the left hand side of the operator riding on board) from one of the left and right ends of the work seat 21 in the cabin 23.

[0023] The rear camera 41 is located at approximately the center in the left-right direction of the machine body in a plan view, and is disposed on the rear side of the threshing device 6. The mounting configuration of the rear camera 41 is arbitrary, but the base of the camera stay 41A is attached to the upper surface of the fixed part on the threshing device 6 side with a bolt or the like, and a camera arm (not shown) with the rear camera 41 attached is attached to the tip (rear end) of the camera stay 41A so as to be rotatable (the angle can be adjusted by loosening the rotation bolt). Therefore, the photographing position, range, angle, etc. of the rear camera 41 can be arbitrarily adjusted.

[0024] Therefore, the rear monitor 35 allows the passenger in the cabin 23 to check the rearward condition while facing forward, thereby preventing the aircraft from being damaged by contacting an obstacle in the reverse position or a wall at the edge of a field. By arranging the rear monitor 35 so as to overlap with the non-transparent ceiling interior panel 36, the rear monitor 35 does not block (obstruct) the visibility range of the transparent member 40 on the front and sides, and a decrease in visibility is prevented except when reversing. In addition, by disposing the rear monitor 35 offset toward one of the left and right sides of the machine body from the left and right ends of the work seat 21, the rear monitor 35 is less susceptible to the influence of light entering through the transparent members 40 on the left and right sides, and the visibility of the rear monitor 35 is prevented from decreasing even in so-called backlit conditions.

[0025] A protruding space 43 is formed on one of the left and right sides of the front side of the aircraft of the ceiling interior panel 36, which is curved in a convex shape toward the inside of the aircraft (Figure 4). The rear monitor 35 provided in the protruding space 43 is inclined downward on the other left or right side (outside) of the aircraft facing the work seat 21, and the rear monitor 35 is positioned so that its angle can be adjusted to some extent by a free mounting fixture 44 such as a (limited) ball joint. In other words, in a plan view, a space 43 is formed on the front and left side of the ceiling interior panel 36, which is curved in a concave shape from the inside of the aircraft toward the outside, and the rear monitor 35 is provided within the space 43, with the screen of the rear monitor 35 on the right side of the aircraft facing the work seat 21 and in a downwardly inclined position, and the rear monitor 35 is positioned so that the angle can be adjusted to a certain extent by a flexible mounting fixture 44 such as a (limited) ball joint.

[0026] The rear monitor 35 provided in the protruding space 43 is disposed in the protruding space 43 in a convex shape, and disposed in a position with the screen facing the work seat 21, so that the rear monitor 35 does not cover (block) the transparent member 40, and the forward and lateral visibility can be secured, and the operation buttons and touch panel attached to the rear monitor 35 side can be easily operated from the work seat 21. By allowing the angle of the rear monitor 35 to be changed to some extent, the rear monitor 35 can be positioned so as to be easily visible and less susceptible to the physique of the worker or to light reflection.

[0027] The external roof 25 covering the upper part of the cabin 23 is arranged to form an interior cabin space 25a between it and the ceiling interior panel 36, and a GPS antenna (position information antenna) 38 of a position information acquisition device 31 that acquires the aircraft's position information (by receiving a signal from a satellite) is provided within the interior cabin space 25a, and the GPS antenna 38 is arranged at a position lower than the top of the body (top of the auger). The GPS antenna 38 is configured so that a path for attaching and detaching the GPS antenna 38 appears by removing other parts (inside the ceiling interior panel 36) from within the cabin 23. A driving control device (straight-line assist controller) 46 is provided at the bottom of the cabin 23 (at the operator's feet), and the GPS antenna 38 of the position information acquisition device 31 and the driving control device 46 are connected by a communication cable 48 that passes through a vertically long rear cover 47 inside the cabin 23 provided on the rear side of the aircraft inside the cabin 23.

[0028] By installing the GPS antenna 38 of the position information acquisition device 31 in the cabin space 25a, the GPS antenna 38 is less susceptible to the effects of heat and dust generated during work, so that the driving control device 46 can guide the aircraft to an appropriate work position based on accurate position information. By connecting the GPS antenna 38 of the position information acquisition device 31 and the driving control device 46 with a communication cable 48 that passes through the rear cover 47 of the cabin 23 in the vertical direction provided inside the cabin 23, an operator will not accidentally touch the communication cable 48 and break it, and since the wiring is difficult to see, the aesthetic appearance of the aircraft configuration is improved.

[0029] Within the cabin 23, a control panel (side control panel) 50 is arranged to the side of the work seat 21 (on the worker's left hand side) so that it can be freely rotated along a horizontal axis, and a front panel 52 equipped with a rotation lock mechanism 51 which locks the rotation of the control panel 50 to a used state and unlocks it to a non-used state is provided in front of the control panel 50 within the cabin 23, and a display monitor 53 which displays various information about the aircraft is arranged in front of the work seat 21, with the upper end of the display monitor 53 located lower on the aircraft than the upper end of the control panel 50 and the lower end located at the same height as the upper end of the front panel 52.

[0030] By making it possible to switch whether the control panel 50 can be rotated or not using the rotation lock mechanism 51, it is possible to prevent the control panel 50 from rotating due to vibrations during harvesting work, thereby preventing the occurrence of operating errors and reduced operability. Furthermore, by making the operation panel 50 rotatable during maintenance, the maintenance work space can be expanded by rotating the operation panel 50, thereby improving work efficiency. Since the display monitor 53 fits between the upper and lower ends of the operation panel 50, the display monitor 53 does not obstruct the view toward the bottom of the cabin 23, ensuring visibility. The display monitor 53 displays various information about the combine. For example, when a full sensor installed in the grain tank 7 detects that the grain tank is full, a grain tank full alarm is issued, or when a fuel shortage sensor detects that there is little fuel remaining in the fuel tank, a fuel shortage alarm is issued and various other instructions from the control device are displayed.

[0031] A speed change lever 54 (HST lever) for increasing / decreasing power and for controlling forward / reverse movement is provided on the control panel 50, and an extended protrusion 55 is formed on the lower side of the aircraft extending from the center in the fore-and-aft direction of the control panel 50 to the front, and a pivot point 56 of the speed change lever 54 is located within the extended protrusion 55, and at least the portion from the rear of the aircraft to just before the pivot point 56 of the extended protrusion 55 has a downward slope toward the front of the aircraft in a side view, forming a foot rest space 57. Although not shown in the drawings, the extended protrusion 55 is formed with a predetermined width in the left-right direction from the left outer surface of the cabin 23, and the foot protection space 57 is formed on the side surface of the extended protrusion 55 on the indoor side when viewed from behind. It is positioned on the left outer surface side of the cabin 23, thereby forming a foot rest space 57 behind the extended protrusion 55. Therefore, by shaping the extension protrusion 55 so that a foot space 57 is formed behind the extension protrusion 55, the worker's foot movement is less likely to be restricted, preventing a decrease in operability and improving livability. In addition, by locating the pivot point 56 of the gear shift lever 54 within the extended protrusion 55, the components near the pivot point 56 are not exposed, preventing malfunctions due to accidental contact and improving the appearance. That is, the extended protrusion 55 is provided on the indoor side of the pivot 56 so as to surround the pivot 56 .

[0032] The extended protrusion 55 is provided on the lower portion of the operation panel 50 either integrally with or separately from it. In other words, since the extended protrusion 55 and the control panel 50 are each formed from resin parts, they can essentially be molded as a single unit; however, in this embodiment, taking into consideration the creation of molds, transportation, assembly, etc., the extended protrusion 55 and the control panel 50 are configured as separate bodies. The GPS antenna 38 of the position information acquisition device 31 is mounted within the cabin space 25a of the cabin 23 (not at the highest point of the aircraft), near the center of the left and right of the aircraft (left side of the cabin 23) and forward of the center of the front and rear of the aircraft (rear side of the cabin 23). In other words, the GPS antenna 38 of the position information acquisition device 31 is provided within the cabin space 25a inside the cabin 23, rather than on the outer upper surface of the external roof 25 of the cabin 23, and is positioned on the left side and rear side of the cabin 23, so that the position information acquisition device 31 is positioned near the center of the left and right sides of the aircraft, and forward of the center of the front and rear of the aircraft.

[0033] For this reason, conventionally, the antenna is placed near the highest point of the aircraft, which means that it is subject to conditions that are unfavorable for its durability, such as the intrusion of high-pressure water during car washing, continuous sunlight, and contact with obstacles such as trees when driving on the road or along ridges. In the present invention, although it is not the highest point on the aircraft, the mounting position of the GPS antenna 38 of the position information acquisition device 31 is within the cabin 23 below the external roof 25, on the left side and rear side of the cabin 23, thereby ensuring sufficient reception conditions for the GPS antenna 38, maintaining the reception accuracy of the GPS antenna 38, improving weather resistance and durability, improving the appearance of the cabin 23, and lowering the overall height of the aircraft.

[0034] The communication cable 48 from the GPS antenna 38 is arranged only within the cabin 23, without passing outside the cabin 23. Conventionally, the antenna was installed outside, so a place was required to bring the communication cable 48 from outside the cabin 23 into the cabin 23. In the present invention, since the GPS antenna 38 is installed inside the cabin 23, the routing of the communication cable 48 from the GPS antenna 38 can be completed within the cabin 23 only. This improves the durability of the communication cable 48 and facilitates the routing of the communication cable 48, thereby eliminating the need for an insertion port for bringing the communication cable 48 into the cabin 23 from outside the cabin 23, and improves the airtightness inside the cabin 23.

[0035] The communication cable 48 of the GPS antenna 38 can be accessed by removing the rear cover 47 inside the cabin 23. Therefore, since the communication cable 48 of the GPS antenna 38 is arranged inside the rear cover 47 which is removably provided inside the cabin 23, maintenance can be performed simply by removing the rear cover 47, improving maintainability. All electrical equipment related to the straight-line driving assistance by the position information acquisition device 31 is arranged inside the cabin 23. For example, the GPS antenna 38 of the location information acquisition device 31 is provided at the left rear of the cabin 23, outside the hot and cold storage 32 of the rear air duct 33R, and a connector (not shown) of a communication cable 48 is inserted into the rear of the GPS antenna 38 and routed inside the rear cover 47 inside the cabin 23, which is long in the vertical direction and through which hoses and harnesses for other electrical equipment pass.

[0036] Then, the communication cable 48 is taken out from a hole drilled in the lower side of the rear cover 47 inside the cabin 23, passed under the operation panel 50 on the left side of the work seat 21, and connected to the straight-line assist controller 59 located below the HST lever shift operation lever 54 on the operation panel 50. Therefore, although a part of the communication cable 48 is visible, the cable can be laid out without changing the current design, and assembly and maintenance are improved. In another embodiment, a GPS antenna 38 is provided at the left rear of the cabin 23, outside the hot and cold storage 32 in the rear air duct 33R, and the connector of a communication cable 48 is inserted into the rear of the GPS antenna 38 and routed inside a vertically long rear cover 47 inside the cabin 23, through which hoses and harnesses for other electrical equipment pass.

[0037] Then, the lower end of the rear cover 47 inside the cabin 23 is covered with a lid member 60, and the communication cable 48 is directed toward the front of the aircraft along the lid member 60 and passed through an electrical equipment box 61 whose length is extended in the vertical and front-to-rear directions. After that, the communication cable 48 is passed under the control panel 50 on the left side of the work seat 21 and connected to a straight-line assist controller 59 located under the HST lever (gear change operation lever) 54 on the control panel 50. Therefore, the communication cable 48 is not exposed, resulting in a good appearance, and since the communication cable 48 is not exposed, breakage due to contact is unlikely to occur. In a combine harvester having a cabin 23, the mounting position of the rear monitor 35 in the vertical direction is configured so that the center of the screen of the rear monitor 35 is located above the windshield window 8 of the cabin 23. Conventionally, the rear window 28 was arranged so as to overlap the rear window 28, which reduced forward visibility.

[0038] In the present invention, the mounting position of the rearview monitor 35 in the vertical direction is such that the center of the screen of the rearview monitor 35 is located above the upper part of the windshield window 28 of the cabin 23, so that the rearview monitor 35 does not obstruct the windshield window 28, improving forward visibility. In a combine harvester having a cabin 23, the mounting position of the back monitor 35 in the vertical direction is configured so that the center of the monitor screen is located above the front glass window 28 and the left glass window 27 of the cabin 23. Therefore, the rearview monitor 35 does not obstruct not only the front windshield window 28 but also the left windshield window 27, improving the visibility of the surroundings, including the front and sides. In a combine harvester having a cabin 23, the mounting position of the rear monitor 35 in the left-right direction is configured so that the center of the monitor screen is disposed to the left of the side of the work seat 21 on the ceiling interior panel 36.

[0039] That is, the ceiling interior panel 36 is used as the lining of the cabin roof 25 of the living space of the cabin 23, and is positioned to the left of the left side of the work seat 21 in a rear view with the work seat 21 as the reference. Therefore, the forward view of the operator seated in the work seat 21 is not obstructed, improving monitor visibility without impairing operability for the operator. A space 43 recessed inward is provided at the front left corner of the ceiling interior panel 36, and the back monitor 35 is housed and disposed within the space 43. Therefore, the surroundings are prevented from being reflected on the rear monitor 35, improving monitor visibility.

[0040] In a combine harvester having a cabin 23, the rear (back surface) position of the back monitor 35 is disposed closer to the living space side of the cabin 23 than the surface of the ceiling interior panel 36. In other words, the ceiling interior panel 36 has the front and side portions of the ceiling portion 36A, which is parallel to the upper surface of the cabin roof 25, hanging downward to form a vertical wall portion 36B, and the rear monitor 35 is positioned in front of the vertical wall portion 36B, so that when the rear monitor 35 is used as a reference, the position of the rear (back surface) of the rear monitor 35 is on the living space side of the cabin 23, in front of the surface of the ceiling interior panel 36. Therefore, even if the switch is arranged on the side of the general-purpose monitor rearview monitor 35, an operating space for the switch of the rearview monitor 35 can be secured around the rearview monitor 35, improving the operability of the rearview monitor 35 and improving the operability and versatility.

[0041] In other words, cabin frame 24 is formed with cabin roof 25 at the top, and cabin roof 25 is formed in a "bowl" shape by providing hanging portion 25B that hangs downward around ceiling portion 25A, and the vertical heights of hanging portion 25B of cabin roof 25 and rear monitor 35 are set to overlap relatively, so that rear monitor 35 is positioned within the vertical width of vertical wall portion 36B of interior panel 36 provided inside hanging portion 25B of cabin roof 25, and transparent member 40 and rear monitor 35 are positioned so as not to overlap in the front-to-back and left-to-right directions, thereby ensuring the worker's visibility (Figure 17).

[0042] The mounting angle of the rear monitor 35 is basically set so that the surface of the ceiling interior panel 36 and the screen of the rear monitor 35 are parallel, with the vertical inclination direction in the aircraft coordinate system being inclined downward and the horizontal inclination direction in the aircraft coordinate system being inclined rightward, but fine adjustments are possible. Therefore, the orientation of the rear monitor 35 can be finely adjusted, improving visibility. As described above, the left rear air outlet 34f is provided on the door 32a of the hot / cold storage 32, and the function of the hot / cold storage 32 can be turned on / off by opening and closing the air outlet 34f by the door 32a. As a result, the amount of airflow from the front duct 33F to the cool / warm box 32 is reduced, and the cooling / heating performance felt by the operator is reduced, but this is prevented. The cool / warm box 32 is configured to be removable from within the living space of the cabin 23. In other words, the cool / warm box 32 is configured to be detachable without removing the ceiling interior panel 36 and the like.

[0043] Therefore, when the electrical equipment box 61, the straight-line assist controller 59, etc. are arranged at the rear side of the cool / warm box 32, these can be easily accessed by simply removing the cool / warm box 32, facilitating maintenance. The door 32a of the hot / cold storage 32 is configured to be held (locked) open or closed by a claw-shaped hook 32b, and is configured to be capable of being opened or closed with a single touch. A cool / warm box 32 (installation space) is provided within the cabin 23 within the path of an air conditioning duct 33A, and the inside (space) of the cool / warm box 32 can be accessed through a door 32a that opens and closes from a left rear air outlet 34f to the living space of the cabin 23. Therefore, the operator's physical condition is well managed (cold / hot drinks are available).

[0044] The bottom surface inside the cooler / warmer 32 is configured to form a recess (groove shape) 32c in accordance with the shape of the beverage. Therefore, the beverages in the cool / hot storage box 32 can be prevented from moving back and forth or side to side due to the operation of the machine, and noise and beverages flying out of the cool / hot storage box, etc. are prevented. The ceiling interior panel 36 is configured to have a predetermined thickness at the top and bottom, and the front and sides of the ceiling interior panel 36 are recessed by one step (recessed upward) to form vertical wall portions 36B at the front and sides of the ceiling interior panel 36, and the backup monitor 35 is positioned in front of the vertical wall portions 36B at the front and sides. Therefore, the rear monitor 35 can be accommodated within the vertical width of the ceiling interior panel 36 when viewed from the front and rear, preventing the rear monitor 35 from blocking the forward visibility. In this case, the display screen of the attached rear monitor 35 is positioned so as to face the work seat 21. Therefore, the display screen of the rear monitor 35 faces the work seat 21, improving visibility.

[0045] Like the rear monitor 35, the vertical wall portion 36B of the ceiling interior panel 36 is also disposed so as to face the direction of the work seat 21. The front portion of the ceiling interior panel 36 is lowered by one step, and the height of the lower end of the ceiling interior panel 36 is set to the same height as the windshield window 28 and the side glass window 27. Therefore, the presence of the ceiling interior panel 36 does not obstruct the view through the windshield window 28 and the side window 27. The rear monitor 35 is disposed on the left front side. Therefore, the rearview monitor 35 can be checked in the same way as the rearview mirror of a car. The left front portion of the ceiling interior panel 36 is curved toward the left of the aircraft body. This makes it possible to place the rear monitor 35 at the left end of the cabin 23, resulting in an interior configuration that does not feel oppressive.

[0046] A service hole 66 for mounting the rear monitor is provided in the bottom (bottom surface) of the ceiling interior panel 36, to which the mounting portion 65 of the rear monitor 35 is attached. Therefore, it is possible to hide the mounting member 65 within the ceiling interior panel 36, resulting in a structure with a sense of unity. In other words, the service hole 66 is an opening that is covered with a cover such as rubber that has cuts (such as a cross or star shape) so that it can be rolled up when pressed, and a bolt or the like is provided at the back of the service hole 66, and a hex wrench or the like is inserted through the service hole 66 during maintenance work to remove parts. This does not affect livability or ventilation, makes it easier to access the fixed components during maintenance work, and improves work efficiency.

[0047] The height of the rear monitor 35 is set at a position higher than the lower edge of the left portion of the ceiling interior panel 36. This ensures visibility to the left front. A display monitor 53 is disposed on the right side of the work seat 21 at a position lower than the upper surface of the operation panel 50. The display monitor 53 displays various information about the combine. For example, when a full sensor installed in the grain tank 7 detects that the grain tank is full, a grain tank full alarm is issued, or when a fuel shortage sensor detects that there is little fuel remaining in the fuel tank, a fuel shortage alarm is issued and various other instructions from the control device are displayed. This improves forward visibility.

[0048] The lower surface of the control panel 50 is disposed at the same height as the front panel 52. This results in a configuration that looks good when viewed from the front. The front panel 52 and the control panel 50 are fixed together. Therefore, vibration of the rotating operation panel 50 can be prevented. The fixed portion between the front panel (52) and the steering panel (50) is surrounded by an extended protrusion (55). Therefore, the fixing portion is hidden by the extended protrusion 55, resulting in a configuration with a good appearance. A downward extending protrusion 55 is provided on a portion of the lower surface of the operation panel 50 to cover a rotation fulcrum 56 of an HST lever (gear shift lever) 54 . The rotation fulcrum 56 of the gear shift lever 54 can be hidden by the extended protrusion 55, resulting in a configuration with a good appearance.

[0049] The lower part of the operation panel 50 is recessed where the feet come into contact. This allows for increased leg space. The pivot point 56 of the HST lever (gear shift lever) 54 is located at a position lower than the bottom of the operation panel 50. That is, in a side view, the rotation fulcrum 56 is disposed below the boundary line 50A between the operation panel 50 and the extended protrusion 55 (FIG. 17). Therefore, the operation trajectory of the HST lever (gear shift lever) 54 can be made gentler. The work seat 21 and the operation panel 50 are configured not to overlap with each other when viewed forward with the operation panel 50 raised. When the operation panel 50 is rotated upward, it is not obstructed by the position of the work seat 21.

[0050] The work seat 21 and the back monitor 35 are configured not to overlap with each other when looking forward with the operation panel 50 raised. This configuration ensures that the position of the work seat 21 does not get in the way when rotating. When the operation panel 50 is raised, the lower surface of the operation panel 50 and the lower rear end surface of the cabin 23 are configured to be in the same position. Therefore, a maintenance space can be secured when the operation panel 50 is rotated upward. When the operation panel 50 is raised, the rotation fulcrum 56 of the HST lever gear shift operation lever 54 is configured to be forward of the lower rear end surface of the cabin 23. This allows for a gentler operation path for the HST lever (gear shift lever) 54. During maintenance, this is not affected because it is in the upper position.

[0051] When the operation panel 50 is raised, the rotation fulcrum 56 of the HST lever (gear shift operation lever) 54 is configured to be above the parts requiring maintenance. During maintenance, it will be in the upper position so there will be no effect. A grip 72 is disposed in front of the control panel 50. The grip 72 can be grasped and rotated when rotating the operation panel control panel 50. This becomes the grip 72 to be grasped when the aircraft is swung. The grip 72 is disposed forward of the HST lever gear shift operation lever 54. This makes it easy to grip when the aircraft shakes. The grip 72 is disposed to the right of the HST lever (gear shift lever) 54 . This makes it easy to grip when the aircraft shakes. The left rear end of the outer roof 25 is beveled. Therefore, the blow moldability can be improved and the weight can be reduced. The diagonal of the left rear end is parallel to the storage angle of the auger 8. Prevents interference with Auger 8. The left front portion of the external roof 25 is slanted. Therefore, the blow moldability can be improved and the weight can be reduced. [Explanation of symbols]

[0052] 1... combine, 2... chassis, 3... traveling crawler, 4... traveling device, 5... feed chain, 6... threshing device, 7... grain tank, 8... grain auger, 8a... discharge port, 9... straw waste processing device, 11... grass division body, 12... raising part, 13... cutting blade part, 15... reaping device, 21... operating seat (work seat), 22... engine, 23... cabin, 24... cabin frame, 25... cabin roof, 25a... Space, 26...door, 26a...right glass window, 27...left glass window, 27a...left rear glass window, 28...front glass window, 29...rear glass window, 30...air conditioning unit, 30a...plastic bottle, 30b...plastic bottle, 30c...hose, 31...location information acquisition device (GNSS unit), 32...storage unit (hot / cold storage unit), 32a...opening / closing door, 32b...hook, 32c...recess, 32d...cooler mounting hole, 33A... Left duct, 33B...right duct, 33F...front duct, 33Fa...front intake port, 33R...rear duct, 33Ra...rear intake port, 34a...front air outlet (left front air outlet), 34b...front air outlet (right front air outlet), 34c...side air outlet (front right air outlet), 34d...side air outlet (rear right air outlet), 34e...side air outlet (left front air air outlet), 34f...rear air outlet (left rear air outlet), 35...monitor (back monitor), 35a...mounting section, 35b...monitor mounting hole, 36...ceiling interior panel (interior panel), 36A...ceiling section, 36B...vertical wall section, 37...rearview mirror, 38...GPS antenna, 39...offset plate, 40...transparent member (glass window), 41...back camera, 41A...stay, 43...projection space, 44 ...Freely movable mounting device, 46...Travel control device, 47...Rear cover, 48...Communication cable, 50...Control panel, 50A...Boundary line, 51...Pivot lock mechanism, 52...Front panel, 53...Display monitor, 54...Gear shift lever, 55...Extended protrusion, 56...Pivot fulcrum, 57...Foot rest space, 59...Straight-line assist controller, 60...Cover member, 61...Electrical box, 65...Mounting portion, 66...Service hole, 72...Grip.

Claims

1. The combine harvester includes a traveling vehicle body (2) equipped with a traveling device (4), a harvesting device (15) for harvesting stalks from a field, a threshing device (6) for taking over the stalks from the harvesting device (15) and separating the grains, a cabin (23) for an operator to ride in, and a transparent member (40) constituting the front and side of the cabin (23). The combine harvester is provided with a backup camera (41) for photographing the rear of the vehicle body and a backup monitor (35) for displaying an image photographed by the backup camera (41), and a ceiling interior panel (36) that covers from the cabin roof (25) of the cabin (23) to the upper part of the transparent member (40), and the backup monitor (35) is provided so as to avoid the transparent members (40) on the front and side. and arranged so as to overlap with a ceiling interior panel (36), the rear monitor (35) is arranged biased toward one of the left and right sides of the machine body relative to one of the left and right ends of the work seat (21) in the cabin (23), an operation panel (50) is arranged in the cabin (23) to the side of the work seat (21) on the side where the rear monitor (35) is provided, a front panel (52) is provided in front of the operation panel (50) in the cabin (23), a display monitor (53) that displays various information about the machine is arranged in front of the work seat (21) in the cabin (23), and the rear monitor (35) and the display monitor (53) are arranged on the same side in the left-right direction with respect to the work seat (21).

2. The combine harvester according to claim 1, characterized in that a protruding space (43) curved in a convex shape toward the inside of the machine is formed on one of the left and right sides of the front side of the machine body of the ceiling interior panel (36), and a rear monitor (35) provided in the protruding space (43) is inclined downward on the other left or right side of the machine body toward the work seat (21), and the rear monitor (35) is arranged with a free-hanging fixture (44) so ​​that its angle can be adjusted to a certain extent.

3. 3. The combine harvester according to claim 1 or 2, characterized in that an external roof (25) covering an upper part of the cabin (23) is arranged to form an interior cabin space (25a) between the external roof (25) and a ceiling interior panel (36), a GPS antenna (38) of a position information acquisition device (31) that acquires the position information of the vehicle itself is provided within the interior cabin space (25a), the GPS antenna (38) is arranged at a position lower than the top of the vehicle body, and a path for attaching and detaching the GPS antenna (38) appears by removing other members from within the cabin (23), a driving control device (46) is provided at the bottom of the cabin (23), and the GPS antenna (38) of the position information acquisition device (31) and the driving control device (46) are connected by a communication cable (48) that passes through a vertically long rear cover (47) inside the cabin (23) provided on the rear side of the vehicle body inside the cabin (23).

4. 3. A combine harvester as claimed in claim 1 or 2, characterized in that an operation panel (50) is arranged inside a cabin (23) to the side of a work seat (21) so as to be freely rotatable on a horizontal axis, a front panel (52) is provided in front of the operation panel (50) inside the cabin (23) and equipped with a rotation lock mechanism (51) for locking the rotation of the operation panel (50) to a used state and unlocking it to a non-used state, a display monitor (53) for displaying various information about the machine is arranged in front of the work seat (21), and an upper end of the display monitor (53) is located below the machine body relative to an upper end of the operation panel (50), and a lower end is located at the same height as an upper end of the front panel (52).

5. The combine harvester according to claim 4, characterized in that a speed change lever (54) for increasing or decreasing the output and for controlling forward and backward movement is provided on the operation panel (50), an extended convex portion (55) is formed on the lower side of the machine body extending from the center in the fore-and-aft direction of the operation panel (50) to the front, a pivot point (56) of the speed change lever (54) is disposed within the extended convex portion (55), and the extended convex portion (55) is inclined downward toward the front of the machine body at least from the rear side of the machine body to just before the pivot point (56), thereby forming a foot protection space (57).

Images