JP2019170258A - Harvesting machine - Google Patents

Abstract

[PROBLEMS] It is desired to be able to maintain a favorable lighting state by a headlight regardless of a difference in a situation of a harvesting operation or the like. An operating unit (11) located at the front of the aircraft, a cabin (10) covering the operating unit (11), a harvesting unit (4) located below the operating unit (11) on the forward side of the aircraft, and a headlight device (47) for illuminating the front of the aircraft. The headlight device 47 includes a plurality of light source units independently functioning as a light projecting member, and is provided in a state of being located at a front corner of the cabin 10. [Selection diagram] Fig. 1

Description

  The present invention relates to a harvesting machine such as a combine harvester or a corn harvesting machine, and more particularly to a harvesting machine in which an operation unit covered with a cabin is provided at the front of the machine body.

  In the harvesting machine described above, a headlamp is provided at the front of the machine body for nighttime work and traveling. Conventionally, the headlamp is provided in a state in which the headlamp is positioned on the inner side in the left-right direction with respect to the left and right ends of the airframe at the lower end of the front surface of the cabin (see, for example, Patent Document 1).

JP2013-158259A

  In this type of harvester, a harvesting section is provided at the front of the machine body to harvest planted crops. The operation unit is generally provided at a rear upper position of the harvesting unit so that the harvesting operation in the harvesting unit can be easily seen. When harvesting crops that have been planted, the harvesting section sometimes catches and accumulates stalks and accumulates in a lump.

  However, in the above conventional configuration, since the headlamp is provided at a low position on the front surface of the cabin, stems and scraps are accumulated in the harvesting part, and may be piled up to a place irradiated by the headlamp. There is a risk that the front side of the aircraft will not be well illuminated. In addition, halogen lamps are often used for headlamps to increase the amount of irradiation, but such headlamps have a high surface temperature, which can cause accumulated crops to be burned by high-temperature heat. Is also possible.

  Therefore, it has been desired to be able to maintain a good lighting state with a headlamp regardless of the difference in the situation of harvesting work and the like.

  The characteristic configuration of the harvester according to the present invention includes an operation unit located at the front of the aircraft, a cabin that covers the operation unit, a harvesting unit that is located on the lower front side of the aircraft of the operation unit, and before the front of the aircraft is illuminated. A headlight device, and the headlight device has a plurality of light source parts that function independently as a light projecting member, and is provided in a state of being positioned at a corner of the front part of the cabin. It is in.

  According to this configuration, since the headlamp device is located not at the front of the cabin but at the corner of the front of the cabin, crop stem swarf and the like may be caught and accumulated in the harvesting section. In addition, the stem scraps do not rise up to the irradiation range by the headlamp device. As a result, lighting in front of the aircraft by the headlamp device is not hindered, and accumulated crops do not approach the headlamp device. Also, since the headlamp device has a plurality of light source units, for example, the irradiation direction of each light source unit is changed to irradiate a place close to the machine body or to irradiate a place far away from the machine body. It becomes possible to use properly according to the situation.

  Therefore, it is possible to maintain a good lighting state by the headlamp device regardless of the difference in the situation of the harvesting work.

  In the present invention, the cabin preferably has a lateral width extending from one side end in the left-right direction to the other end in the left-right direction of the fuselage, and the headlight device is preferably provided on each side in the left-right direction of the cabin. It is.

  According to this configuration, the driver can confirm the work over a wide range by viewing the state of the harvesting work by the harvesting unit in front of the aircraft from the cabin provided over the entire width in the left-right direction of the aircraft. easy. Since the headlamps are provided on both sides of the wide cabin in the left-right direction, the headlight can be irradiated over a wide range in the left-right direction, and it is easy to check the state of the harvesting work even when working at night.

  In the present invention, it is preferable that the headlight device is provided with the plurality of light source units arranged in the vertical direction.

  According to this structure, the width | variety of the left-right direction of a headlamp apparatus can be accommodated in a compact shape by setting it as the structure with which several light source parts are located in a line with an up-down direction. In addition, the amount of outward protrusion from the left and right ends of the cabin can be reduced to reduce the possibility of interference with other objects when stored in a barn or the like.

  In the present invention, it is preferable that a direction indicator is incorporated in the headlamp device, and the direction indicator is provided between the plurality of light source units adjacent in the vertical direction.

  According to this configuration, since the direction indicator that requires power supply is incorporated into the headlamp device in the same manner as the plurality of light source units, the light source unit and the direction indicator can be provided at close positions. As a result, power can be supplied efficiently, and electrical wiring can be installed efficiently. In addition, since the direction indicator is provided using the area between the plurality of light source units, the vertical dimension can be made compact.

  In the present invention, the direction indicator is provided in a state of being biased outward in the left-right direction with respect to the plurality of light source units, and a front light projecting surface of the plurality of light source units is more than a front end portion of the direction indicator. It is preferable to be positioned on the front side of the machine body.

  According to this configuration, since the direction indicator is closer to the outside in the left-right direction than the plurality of light source units, it is easy to confirm the indication direction from the front side of the aircraft when the direction indicator is turned on. And since the light projected from the light projection surface in a light source part is irradiated over a wide range, without being interrupted by a direction indicator, it is easy for a driver | operator to confirm a work condition in a state with few leaks.

  In the present invention, the headlamp device includes a casing in which the plurality of light source units and the direction indicator are incorporated, and a recess is formed on the outer side of the direction indicator in the left-right direction of the casing. It is preferable that the left and right outer ends of the indicator are exposed to the left and right outer sides through the recess.

  According to this configuration, since the direction indicator is exposed to the outside in the left and right direction through the recess of the casing, when the direction indicator lights up, the lighting state is confirmed not only from the front side of the aircraft but also from the side of the aircraft. easy.

  In the present invention, the headlamp device irradiates a position closer to the fuselage than an upper light source unit located on the upper side among the plurality of light source units adjacent vertically. It is preferable to be configured to do so.

  According to this configuration, by changing the irradiation direction of the plurality of light source units arranged in the vertical direction, for example, when the vehicle is traveling on the road and when the vehicle is working on the field, the usage status is different. The upper light source unit can illuminate the position close to the machine as much as possible by illuminating the position close to the machine, and the driver can visually check the work status of the harvester. It becomes easy to do.

  In the present invention, switching between the first illumination state in which the lower light source unit is turned on and the upper light source unit is turned off, and the second illumination state in which the lower light source unit is turned off and the upper light source unit is turned on. Preferably it is possible.

  According to this configuration, in the first illumination state, only the lower light source unit is turned on and the upper light source unit is turned off. This first illumination state is suitable, for example, when there is an oncoming vehicle while traveling on the road. In the second illumination state, only the upper light source unit is turned on and the lower light source unit is turned off. This second illumination state is suitable, for example, when there is no oncoming vehicle and the front side is illuminated far while traveling on the road. Thus, by using properly according to the difference in a use condition, the required location can be rationally irradiated and it becomes convenient.

  In the present invention, it is preferable that the headlamp device is supported by a lower portion of a corner portion of the front portion of the cabin.

  According to this configuration, for example, when performing work such as repair inspection from the outside of the aircraft, the headlamp is supported at a low position in the front corner of the cabin. Work can be done easily by reaching out.

  In the present invention, left and right front pillars are erected at the front portion of the cabin, and a windshield is provided across the left and right front pillars, and the headlight device is supported by the front pillar. It is preferable that

  According to this configuration, the headlight device can be firmly supported by effectively using the front pillar, which is a strength member for supporting the windshield.

  In the present invention, it is preferable that the headlamp device is supported in a state of being located on the front side of the front pillar.

  According to this configuration, when the headlamp projects light, the light projected from the light projecting surface of the light source unit can be irradiated over a wide range without being blocked by the front pillar.

  In the present invention, the headlamp device is provided with a casing in which the plurality of light source parts are incorporated, and a stay supported by the front pillar is provided. The stay includes the plurality of light source parts and the casing. It is preferred that it is supported.

  According to this configuration, since the plurality of light source units and the casing are supported using the stay, the headlamp device is supported without performing troublesome work such as adding special mounting deformation to the front pillar. Can be made.

  In the present invention, it is preferable that a direction indicator is supported by the stay, and the plurality of light source units and the direction indicator are incorporated in the casing.

  According to this configuration, the stay is used to support the direction indicator in addition to the plurality of light source units, so that the configuration is not complicated, such as providing a dedicated mounting member for the direction indicator. Can reasonably support them.

  In the present invention, a crop transporting device that transports crops harvested by the harvesting unit toward the rear upper side of the machine body, and a crop processing device that processes the crops transported by the crop transporting device are provided, The crop conveyance device is provided in a state of passing below the operation unit, the harvesting unit is supported so as to be able to move up and down, and the headlamp device is more than the harvesting unit located at the maximum rising position of the lifting operation range. It is preferable that it is located above.

  According to this configuration, by raising and lowering the harvesting section and changing the height to the ground, it is possible to set an appropriate height according to the difference in the harvesting work situation, and an appropriate work can be performed. Even if the harvesting section is raised to the highest position, the headlamp is positioned above the harvesting section at that time, so that the projected light is not blocked by the harvesting section and is irradiated over a wide range. be able to.

  In the present invention, it is preferable that the headlamp is provided in a state of projecting outward in the left-right direction from both lateral ends of the cabin.

  According to this configuration, when the driver visually confirms the state of harvesting work in front of the aircraft through the front part of the cabin, the headlight projects outward in the left-right direction at the end of the cabin, so that the field of view is blocked. There is no, it is easy to check the work status over a wide range.

1 is an overall side view of a corn harvester. 1 is an overall plan view of a corn harvester. It is a front view of a driving part. It is a rear view which shows the front part of a cabin ceiling part. It is a front view of a headlamp device. It is a side view of a headlamp device. It is a disassembled perspective view of a headlamp apparatus. It is a side view of a headlight device in the state where a casing was removed. It is a side view which shows the illumination state of a headlamp apparatus. It is a top view which shows the illumination state of a headlamp apparatus.

  Hereinafter, an embodiment of a corn harvester according to the present invention will be described with reference to the drawings.

〔overall structure〕
As shown in FIGS. 1 and 2, the corn harvester according to the present invention includes a pair of left and right front wheels 1 that are fixed in direction and a pair of left and right rear wheels 2 that can be steered to form a traveling machine body 3. . The traveling machine 3 is harvested by the harvesting device 4 and the harvesting device 4 as a harvesting unit that harvests corn tufts having a large number of seeds inside the foliage from planted crops as the aircraft runs. Conveyor 6 as a crop transporting device for transporting the corn tufts toward the rear upper side of the machine body, a skinning device 7 as a crop processing device for stripping the foliage of the transported corn tufts, and stripping off the leaves A storage tank 8 for storing the corn (harvested product) after being taken, a residue processing device 9 and the like located under the traveling machine body 3 and in the front and rear intermediate portion between the front wheel 1 and the rear wheel 2 are provided. ing.

  In this embodiment, the front-rear direction and the left-right direction of the aircraft are defined as follows. That is, the direction indicated by reference numeral (F) in FIGS. 1 and 2 is the front side of the body, and the direction indicated by reference numeral (B) in FIGS. 1 and 2 is the rear side of the body. The direction indicated by reference sign (L) in FIG. 2 is the left side of the aircraft, and the direction indicated by reference sign (R) in FIG.

  The traveling machine body 3 is provided with a driving part 11 in a state where the upper part is covered with a cabin 10 at the front part of the machine body, and a driving part 12 is provided behind the driving part 11. The prime mover 12 is provided with an engine 13 for transmitting power to each part, and various devices associated therewith.

  On the left side of the driving unit 11, an elevating step 16 for getting on and off the driver is provided, and on the left rear side of the driving unit 11 in the traveling body 3, a worker boarding deck 17 on which an auxiliary worker can board is provided. It has been. The operator boarding deck 17 is provided in a state extending long in the front-rear direction over the left side portion of the conveyor 6 and the left side portion of the skinning device 7.

  At the time of the harvesting operation, the traveling machine body 3 is driven by driving the front wheels 1, and the corn tufts harvested by the harvesting device 4 are conveyed to the rear upper side of the machine body by the conveyor 6, and the foliage is peeled from the corn tufts by the skinning device 7. The corn after being peeled off is stored in the storage tank 8.

  The storage tank 8 is formed in a substantially rectangular shape in plan view and has a shape with an open top, and accepts the harvest from the open area. The stems left in the field at the time of harvest are shredded by the residue processing device 9.

[Harvesting equipment]
The harvesting device 4 will be described.
As shown in FIG. 2, the harvesting device 4 is formed with four rows of introduction paths 19 arranged in parallel in the horizontal direction, and a pair of left and right harvesting rolls 20 and left and right located at the upper part thereof are positioned between the introduction paths 19. A pair of endless transport chains 21 are provided. The harvesting roll 20 is supported so as to be rotatable about a rotation axis that is parallel to the introduction path 19. Although not described in detail because it is a well-known configuration, a tapered screw portion is provided at the front end position, and a plurality of harvesting blades are provided on the outer periphery on the rear side. The endless transport chain 21 is formed with a number of protrusions 21A and is wound around a front sprocket 22 at the front position and a rear sprocket 23 at the rear position.

  When stalks are introduced into the introduction path 19, the harvesting blades of the harvesting roll 20 continuously apply a force that pulls the stalks downward, and guides the corn that is formed in the tufts into a tuft shape (not shown). 2) and the corn tufts are separated from the stems in such a form that they are torn off from the stems.

  As shown in FIG. 1, an auger 24 is provided at a rear position of the plurality of harvesting rolls 20 and the plurality of endless transport chains 21 to transfer the harvested product to a lateral central position. The auger 24 transports the corn tufts separated from the planted stalks to the central position in the lateral direction by the feeding action of the screw blades (not shown) in the four rows of introduction paths 19 respectively. It supplies to the conveyance start end part of the conveyor 6. The conveyor 6 conveys the corn tufts toward the rear skinning device 7. An endless rotating chain 34 is wound around the lower conveyor side sprocket 32 and the upper conveying side sprocket 33, and the conveyor 6 is shaped like a corn tuft by a locking member (not shown) provided on the endless rotating chain 34. The body is locked and conveyed. The stalk waste contained in the corn tuft is discharged out of the machine body through the discharge guide 37 by the action of the blower fan 40. The harvesting device 4 is supported by the machine body so as to be swingable up and down around the left and right axis P1. The lifting hydraulic cylinder 25 is configured to be movable up and down within the set operating range by the expansion and contraction operation.

[Peeling device]
Since the skinning device 7 has a well-known configuration, it will not be described in detail. However, the skinning device 7 extends along the longitudinal direction of the machine body and rotates around the axis along the longitudinal direction inside the casing. The corn tufted body leaves can be peeled off by the skin peeling rotator while the corn tufted body is guided to the rear side of the machine body by a plurality of rotary transfer bodies or the like. The corn from which the foliage has been peeled off is stored in the storage tank 8.

  Below the skin peeling device 7, there is provided an oscillating sorting device 59 for sorting the peeled leaves and the shed seed grains mixed with the skin peeling operation of the skin peeling device 7. Receiving the processed material falling from the apparatus 7 and moving it to the front side of the machine by swinging motion, it sorts into foliage and seed grains by sieving, and the seed grains are provided at the bottom. Collected at 60, the leaf leaves are discharged below the fuselage.

[Operation section]
As shown in FIG. 3, the driving unit 11 includes a driving seat 26, a control tower 27 positioned in front of the driving seat 26, and an operation panel unit 28 positioned on the side of the driving seat 26. . A steering wheel 29 is provided above the control tower 27. The operation panel 28 is provided with a speed change lever 30 for changing the vehicle speed, and a work clutch lever 31 for turning on and off the power transmission to the harvesting device 4, the conveyor 6, the skinning device 7, and the like. .

  As shown in FIGS. 2 and 3, the cabin 10 that covers the operating unit 11 is provided with a wide width extending from one side end in the left-right direction to the other side end of the machine body. Left and right front pillars 41 are erected on the front portion of the cabin 10, and a windshield 42 is provided across the left and right front pillars 41. The windshield 42 is provided over substantially the entire width in the up-down direction and the left-right direction, and is configured so that the driver sitting on the driver seat 26 can visually observe the front side of the aircraft over a wide range.

  A plurality of work lights 43 are provided in an upper portion of the front portion of the cabin 10 in a state of being arranged with a space in the left-right direction. Although not described in detail, the plurality of work lights 43 are configured to illuminate the front part of the body and the laterally outward parts on both the left and right sides of the body. As shown in FIG. 4, a work light switch 45 is provided on the front side 10A of the ceiling inside the cabin 10 on the side of the meter panel 44 for displaying the engine speed and other information. The work switch 43 is switched on and off by the light switch 45. In FIG. 4, 46 is a wiper switch for switching a wiper (not shown).

[Headlight device]
A headlamp device 47 that illuminates the front of the aircraft in a state of being located below the front corner of the cabin 10 is provided.
Specifically, as shown in FIGS. 3, 5, and 6, the headlight device 47 is supported by the left and right front pillars 41 located at the corners on the front side of the cabin 10. Moreover, the headlamp device 47 is supported in a state of being located on the front side of the front pillar 41. Further, as shown in FIGS. It is provided in a state of protruding outward in the left-right direction.

  As shown by a virtual line in FIG. 1, the headlamp device 47 is a case where the headlamp device 47 is positioned at the maximum ascent position of the lifting operation range. It is provided in a state located above the position of.

  As shown in FIGS. 5, 6, and 7, the headlamp device 47 is positioned as a plurality of light source portions K that function independently as a light projecting member, a lower light source portion 48 positioned on the lower side, and an upper side. The upper light source unit 49 is provided in a state of being arranged in the vertical direction. A direction indicator 50 is incorporated in the headlamp device 47. The direction indicator 50 is provided between two light source units 48 and 49 adjacent in the vertical direction in the vertical direction. Although not shown, the light source sections 48 and 49 are configured to include a halogen lamp and a reflection plate that reflects light from the halogen lamp toward the front of the machine body inside a substantially spherical case.

  As shown in FIG. 8, a support member 51 made of a substantially U-shaped plate body in a side view is integrally connected to the front pillar 41. A base member 52 is integrally connected to the support member 51. As shown in FIG. 7, the base member 52 is made of a plate material extending in the up-down direction, and two light source portions 48 and 49 are supported on the base member 52 via a support bracket 52a, and a pedestal portion 52b. A direction indicator 50 is supported via the.

  As shown in FIG. 7, a casing 53 in which two light source portions 48 and 49 and a direction indicator 50 are incorporated is provided. The casing 53 has two circular insertion holes 54 and 55 through which the upper and lower light source portions 48 and 49 face outward, and one rectangle through which the direction indicator 50 faces outward. The insertion hole 56 is formed. And the casing 53 and the base member 52 are connected, and the circumference | surroundings of the headlamp apparatus 47 are covered. That is, the two light source portions 48 and 49 and the direction indicator 50 are incorporated inside the casing 53 and the base member 52. However, the two light source portions 48 and 49 are provided so as to face outward through the insertion holes 54 and 55. Many portions of the direction indicator 50 are exposed to the outside of the casing 53 through the insertion holes 56. The casing 53 is connected so that the outer peripheral portion overlaps with the outer peripheral portion of the base member 52, and a plurality of locations are connected by bolts. Therefore, in this embodiment, the stay S that supports the two light source portions 48 and 49 and the casing 53 is configured by the support member 51 and the base member 52 that are integrally supported by the front pillar 41.

  The direction indicator 50 is provided in a state of being biased outward in the left-right direction with respect to the two light source units 48 and 49 arranged vertically. A recess 61 that is recessed backward is formed on the outer side of the casing 53 in the left-right direction on the side where the direction indicator 50 is located, and the outer end in the left-right direction of the direction indicator 50 is directed to the outer side in the left-right direction through the recess 61. Exposed.

  If it demonstrates, as shown in FIG. 7, the bulging part 62 which bulges forward toward the location corresponding to the upper and lower two light source parts 48 and 49 is formed in the casing 53. As shown in FIG. Circular insertion holes 54 and 55 through which the light source portions 48 and 49 are inserted in the front-rear direction are formed in the upper and lower bulging portions 62, respectively. On the side where the direction indicator 50 is located in the upper and lower intermediate portions of the bulging portions 62 on both the upper and lower sides, a concave portion 61 that is recessed backward is formed. A rectangular insertion hole 56 through which the direction indicator 50 is inserted in the front-rear direction is formed in the recess 61. A direction indicator 50 projects forward through the insertion hole 56. As a result, the laterally outer end of the direction indicator 50 is exposed through the recess 61 toward the laterally outer side.

  The front light projecting surfaces 48A and 49A in the two light source parts 48 and 49 protrude to the front part side through the insertion holes 54 and 55, and as shown in FIG. The partial light projecting surfaces 48 </ b> A and 49 </ b> A are positioned closer to the front side of the body than the front end of the direction indicator 50.

  The headlamp device 47 irradiates a position closer to the body than the lower light source unit 48 located on the upper side of the upper light source unit 49 located on the upper side of the two light source units 48 and 49 adjacent to each other in the vertical direction. Is configured to do. Specifically, as shown in FIG. 9, the headlight device 47 includes a lower light source unit 48 that is positioned on the lower side of the two light source units 48 and 49 arranged in the vertical direction. The light projecting direction is set so as to irradiate light, and a position far from the body is irradiated. On the other hand, the upper light source unit 49 positioned on the upper side is set to project light so as to irradiate light along the front descending direction, and is configured to irradiate a position close to the aircraft.

  The light emitted from each of the light source units 48 and 49 is emitted in a state of being diffused around the set light projecting direction. As a result, as shown in FIG. 9, it has illumination ranges W1 and W2 extending at a predetermined angle in the vertical direction, and as shown in FIG. 10, it has an illumination range W3 extending at a predetermined angle in the horizontal direction. Yes. As described above, the upper light source unit 49 and the lower light source unit 48 have different light projecting directions (directions that are the center of the illumination range) in a side view. Therefore, as shown in FIG. 9, the illumination range W <b> 1 by the lower light source unit 48 is set to irradiate a position far from the aircraft. On the other hand, the illumination range W2 by the upper light source unit 49 is set to irradiate a position close to the aircraft.

  The upper light source unit 49 and the lower light source unit 48 are set so that the illumination range of light when viewed in plan is substantially the same. As shown in FIG. 10, the right upper light source unit 49 and the left upper light source unit 49 are configured such that the light projecting direction is the same direction and the illumination range is the same angle. Similarly, the lower light source unit 48 is configured so that the right side and the left side have the same illumination direction and the same illumination range.

  The headlamp device 47 includes a first illumination state in which the lower light source unit 48 is turned on and the upper light source unit 49 is turned off, and a second illumination state in which the lower light source unit 48 is turned off and the upper light source unit 49 is turned on. It can be switched to. That is, in the first illumination state, only the lower light source unit 48 is lit and only a position far from the aircraft is irradiated. On the other hand, in the second illumination state, only the upper light source unit 49 is lit and only the position close to the aircraft is irradiated.

  Switching between the first illumination state and the second illumination state is performed by a headlamp switch 63 provided in the upper part of the control tower 27 in the operation unit 11. Although not shown, the headlight switch 63 is in each of an off state in which the headlamp device 47 is completely turned off, a first on state in which the headlight device 47 is switched to the first lighting state, and a second on state in which the headlight device 47 is switched to the second lighting state. A switching operation is provided.

[Another embodiment]
(1) In the above embodiment, the base member 52 is integrally connected to the support member 51. However, instead of this configuration, the base member 52 is detachably bolted to the support member 51. Also good. In this configuration, the support member 51 forms a stay S that supports the two light source units and the casing 53.

(2) In the above embodiment, the upper and lower two light source portions 48.49 are provided in a state of being arranged in the vertical direction. However, instead of this configuration, three or more light source portions may be arranged in the vertical direction. Alternatively, a configuration may be adopted in which a plurality of light source units are provided in a state where they are arranged in the left-right direction or the oblique direction.
In the present invention, the light source unit is not limited to a light source unit including a halogen lamp and a reflection plate that reflects light from the halogen lamp toward the front of the machine body. For example, an LED lamp or the like may be provided with a configuration that irradiates light independently, and in short, the configuration is not limited as long as it functions independently as a light projecting member.

(3) In the above embodiment, the direction indicator 50 is provided in a state of being biased outward in the left-right direction with respect to the plurality of light source units. However, the direction indicator 50 is provided in the vertical direction with respect to the plurality of light source units. It is good also as a structure with which it arranges.

(4) In the above embodiment, the front light projecting surfaces 48A and 49A of the plurality of light source units 48 and 49 are positioned on the front side of the front end portion of the direction indicator 50. 48A and 49A are good also as a structure located in the same position as the front-end part of the direction indicator 50, or the rear part side.

(5) In the above-described embodiment, the headlamp device 47 is supported in a state of being positioned in front of the front pillar 41. However, instead of this configuration, the headlamp device 47 is disposed on the side of the front pillar 41. It is good also as a structure supported in the state located in the side.

(6) In the above embodiment, the headlamp device 47 is provided in a state of projecting outward in the left-right direction from both lateral ends of the cabin 10. However, instead of this configuration, the headlamp device 47 is provided. However, it is good also as a structure provided in the state accommodated in the left-right direction inside rather than the both-sides both ends of the cabin 10 left-right direction.

(7) In the above-described embodiment, the direction indicator 50 is incorporated in the headlamp device 47. However, instead of this configuration, the direction indicator 50 is provided at a location different from the headlamp device 47. It is good also as a structure.

(8) In the above embodiment, the cabin 10 has a lateral width extending from one side end in the left-right direction to the other side end of the airframe, and the headlamp device 47 is provided on each side in the left-right direction of the cabin 10. However, instead of this configuration, the cabin 10 may have a shape that is narrower than the lateral width of the fuselage, and the headlight device 47 may be provided on both sides in the left-right direction of the cabin 10. Although it has a lateral width extending from one side end in the left-right direction to the other side end, a configuration in which the headlamp device 47 is provided only on one side in the left-right direction of the cabin 10 may be employed.

  The present invention can be applied to other types of harvesters such as combine harvesters in addition to corn harvesters.

DESCRIPTION OF SYMBOLS 4 Harvesting part 6 Crop conveying apparatus 7 Crop processing apparatus 10 Cabin 11 Operation part 41 Front pillar 42 Front glass 47 Headlight apparatus 48 Lower light source part 49 Upper light source part 50 Direction indicator 53 Casing K Light source part S Stay

Claims (15)

A driving unit located at the front of the fuselage, a cabin covering the driving unit, a harvesting part located below the fuselage front side of the driving unit, and a headlamp device for illuminating the front of the fuselage are provided.
The harvesting machine in which the headlamp device includes a plurality of light source units that function independently as a light projecting member and is positioned at a corner of the front part of the cabin. The cabin has a lateral width extending from one side end to the other side end in the left-right direction of the aircraft,
The harvesting machine according to claim 1, wherein the headlight device is provided on each side of the cabin in the left-right direction.   The harvesting machine according to claim 1 or 2, wherein the headlight device is provided in a state where the plurality of light source units are arranged in a vertical direction. A direction indicator is incorporated in the headlamp device,
The harvesting machine according to claim 3, wherein the direction indicator is provided between the plurality of light source units adjacent in the vertical direction in the vertical direction. The direction indicator is provided in a state of being biased outward in the left-right direction with respect to the plurality of light source units,
The harvesting machine according to claim 4, wherein front light projecting surfaces of the plurality of light source units are located on the front side of the machine body from a front end portion of the direction indicator. The headlight device includes a casing in which the plurality of light source units and the direction indicator are incorporated,
A recess is formed on the outside of the direction indicator in the left-right direction of the casing,
The harvesting machine according to claim 5, wherein an outer end portion in the left-right direction of the direction indicator is exposed to the outer side in the left-right direction through the recess.   The headlamp device is configured such that, of the plurality of light source units that are vertically adjacent to each other, an upper light source unit positioned on the upper side irradiates a position closer to the fuselage than a lower light source unit positioned on a lower side. The harvester according to any one of claims 3 to 6.   The first illumination state in which the lower light source unit is turned on and the upper light source unit is turned off, and the second illumination state in which the lower light source unit is turned off and the upper light source unit is turned on. 7. The harvester according to 7.   The harvesting machine according to claim 8, wherein the headlamp device is supported by a lower portion of a corner portion of a front portion of the cabin. Left and right front pillars are erected on the front portion of the cabin, and windshields are provided across the left and right front pillars,
The harvesting machine according to any one of claims 1 to 9, wherein the headlamp device is supported by the front pillar.   The harvesting machine according to claim 10, wherein the headlamp device is supported in a state of being positioned in front of the front pillar. The headlight device includes a casing in which the plurality of light source units are incorporated,
A stay supported by the front pillar is provided,
The harvester according to claim 10 or 11, wherein the plurality of light source units and the casing are supported on the stay. A direction indicator is supported on the stay,
The harvester according to claim 12, wherein the plurality of light source units and the direction indicator are incorporated in the casing. A crop transporting device for transporting crops harvested by the harvesting unit toward the upper rear of the machine body, and a crop processing device for processing the crops transported by the crop transporting device,
The crop conveying device is provided in a state of passing under the operating unit,
The harvesting part is supported to be movable up and down,
The harvesting machine according to any one of claims 1 to 13, wherein the headlamp device is located above the harvesting unit located at a maximum ascending position of a lifting operation range.   The harvester according to any one of claims 1 to 14, wherein the headlamp device is provided in a state of projecting outward in the left-right direction from both lateral ends of the cabin.

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