JP2011024518A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To further improve operability of a combine harvester in operation at night. <P>SOLUTION: The combine harvester includes a reaping unit 7 and a driving unit 5 at the front part of a machine body 2; a thresher 3 and a grain tank 17 disposed side by side in the right and left direction at the rear part of the machine body; a freely turnable grain unloader 18 provided at the rear part of the grain tank 17; and an illuminator 30 provided for illuminating the rear side of the grain tank 17 and a lateral side of the grain tank 17 on a side opposite to a side where the thresher 3 is disposed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a combine equipped with a lighting device.

In tropical regions of Asia such as Thailand and India, agricultural machinery such as combines may be operated not only during the day but also at night in order to increase operating efficiency.
Combines used in such areas are equipped with a lighting device on the panel that covers the front of the driving unit. The lighting area illuminates the work area of the cutting unit in front of the fuselage and its surroundings in cool dusk and at night. The cutting operation is carried out (see Patent Document 1).

JP 2007-74976 A

  The light emitted from the illuminating device provided on the panel covering the front side of the driving unit is difficult to reach to the rear and side of the aircraft. Therefore, for example, the operation of discharging the stored grains in the Glen tank to the side of the aircraft by the grain discharging device (unloader) swung to the side of the aircraft, or the grain threshed by the threshing device There has been a problem that it is difficult to carry out the operation of packing the bag with a collection hopper and temporarily placing it in the field behind or on the side of the machine and collecting the temporarily placed grain bag at night.

  An object of the present invention is to make it easier to carry out work performed at the rear and side of the fuselage at night to further improve the work efficiency of the combine during night operation.

〔Constitution〕
The first characteristic configuration according to the present invention is:
A cutting part and a driving part are provided at the front of the aircraft,
Arrange the threshing device and the Glen tank side by side in the left-right direction at the rear of the aircraft,
A swivelable grain discharging device is provided at the rear of the Glen tank,
It exists in the point provided with the illuminating device which irradiates the back of the said grain tank and the side of the said grain tank on the opposite side to the side which arrange | positions the said threshing apparatus.

[Action and effect]
Usually, in a combine equipped with a grain discharging device, for example, for transporting the grain to the side of the grain tank opposite to the side where the threshing device is arranged (outside the machine) after finishing the grain harvesting operation. The truck is arranged, and the grain discharging device is swung to the position of the truck bed so that the grain in the grain tank is discharged into the truck bed or a bag placed on the bed.
When carrying out the work at night, according to the combine of this configuration, the rear side of the grain tank and the side of the grain tank opposite to the side where the threshing device is arranged are illuminated by the lighting device and become brighter. The operator can easily see the position of the grain discharging device and the truck bed. As a result, the worker can easily perform the grain discharging operation at night, and the working efficiency of the combine during night operation is improved.
Furthermore, according to the combine of this structure, since the back of a Glen tank is also irradiated, it is easy to carry out reverse of an airframe.

〔Constitution〕
The second characteristic configuration according to the present invention is:
The operation unit includes a cabin or a canopy projecting upward from the upper surface of the Glen tank, and the lighting device is provided at a rear part of the ceiling of the cabin or a rear part of the canopy.

[Action and effect]
According to this configuration, the lighting device can be provided at a position higher than the Glen tank, and light is not blocked by the Glen tank, so that the light can be emitted more widely.

〔Constitution〕
The third characteristic configuration according to the present invention is:
The canopy is supported in such a manner that its rear portion is supported in the horizontal direction so that the angle can be adjusted in the vertical direction.

[Action and effect]
If the driver has a canopy, the angle of the rear part of the canopy can be adjusted vertically so that it can be used when the driver changes his or her posture to a standing or sitting position, or when a combine is carried on a truck. May be configured.
According to this configuration, the irradiation range of the lighting device can be adjusted in the vertical direction by effectively using the canopy angle adjustment structure that is an existing configuration and adjusting the angle of the canopy in the vertical direction.

〔Constitution〕
The fourth characteristic configuration according to the present invention is:
The lighting device includes two work lights arranged side by side in the left-right direction, and one work light provided on the threshing device side irradiates the rear side of the Glen tank, and the other provided on the opposite side of the threshing device. The work lamp is irradiating the lateral side of the Glen tank.

[Action and effect]
According to this configuration, the work light provided on the threshing device side is provided at a position close to the center of the left and right sides of the machine body. However, since it is provided at a position near the lateral outer side of the aircraft, it is easy to irradiate the lateral side of the Glen tank.

〔Constitution〕
The fifth characteristic configuration according to the present invention is:
A cutting part and a driving part are provided at the front of the aircraft,
At the rear of the aircraft, arrange the threshing device and bagging work part side by side in the left and right direction,
The bagging unit includes a grain collection hopper that stores grains and a deck on which an operator performs bagging work of grains,
There exists an illuminating device which irradiates the back of the said bagging operation | work part, and the side of the said bagging operation | work part on the opposite side to the side which arrange | positions the said threshing apparatus.

[Action and effect]
Usually, in a combine equipped with a bagging operation unit, a worker of the operation unit performs grain harvesting work, and another worker (bagging operator) who has boarded the deck threshed by the threshing device. From the grain recovery hopper into a grain bag, temporarily placed in the field behind or on the side of the machine, and another grained worker (collecting worker) temporarily recovering these grain bags Work to do.
When carrying out these operations at night, according to the combine of this configuration, the rear side of the bagging operation unit and the side of the bagging operation unit on the side opposite to the side on which the threshing device is arranged by the lighting device Illuminated and brightened. As a result, the bagging operator can visually recognize the state of the field where the grain bag is temporarily placed, and the grain bag containing the grain can be easily placed in the field behind or on the side of the machine body, and the collection work Since the person can also visually recognize the temporarily placed grain bag and easily collect the grain bag, the working efficiency of the combine during night operation is improved.
Furthermore, according to the combine of this structure, since the back of a bagging operation part is also irradiated, it is easy to carry out reverse of an airframe.

〔Constitution〕
A sixth characteristic configuration according to the present invention is as follows:
The operation unit includes a cabin or a canopy projecting upward from the upper surface of the bagging operation unit, and the lighting device is provided at the rear part of the ceiling part of the cabin or the rear part of the canopy.

[Action and effect]
According to this configuration, it can be provided at a higher position than the bagging work section, and light is less likely to be blocked by the bagging work section, so that light can be irradiated more widely.

〔Constitution〕
The seventh characteristic configuration according to the present invention is:
The canopy is supported in such a manner that its rear portion is supported in the horizontal direction so that the angle can be adjusted in the vertical direction.

[Action and effect]
If the driver has a canopy, the angle of the rear part of the canopy can be adjusted vertically so that it can be used when the driver changes his or her posture to a standing or sitting position, or when a combine is carried on a truck. May be configured.
According to this configuration, the irradiation range of the lighting device can be adjusted in the vertical direction by effectively using the canopy angle adjustment structure that is an existing configuration and adjusting the angle of the canopy in the vertical direction.

〔Constitution〕
The eighth characteristic configuration according to the present invention is:
The lighting device includes two work lights arranged side by side in the left-right direction, and one work light provided on the threshing device side irradiates the back of the bagging work unit, and is provided on the opposite side of the threshing device. The other working light is irradiated to the side of the bagging work section.

[Action and effect]
According to this configuration, the work light provided on the threshing device side is provided at a position close to the center of the left and right sides of the machine body. However, since it is provided at a position close to the lateral outer side of the machine body, it is easy to irradiate the lateral side of the bagging unit.

1 is an overall right side view of an ordinary combine according to a first embodiment. It is a top view which shows the whole plane of the combine which concerns on 1st Embodiment, and the irradiation range of an illuminating device. It is a whole right view of the combine which concerns on 2nd Embodiment. It is a top view which shows the whole plane of the combine which concerns on 2nd Embodiment, and the irradiation range of an illuminating device. It is a right view of the combine which concerns on another embodiment. It is the longitudinal cross-sectional view which expanded the principal part of the combine which concerns on another embodiment of FIG. It is the top view to which the principal part of the combine which concerns on another embodiment of FIG. 5 was expanded. It is a right view of the combine which concerns on another embodiment of FIG. It is a rear view of the combine which concerns on another embodiment of FIG. It is a whole top view of the combine which concerns on another embodiment. It is a whole top view of the combine which concerns on another embodiment. It is a right view of the combine which concerns on another embodiment. It is a right view of the combine which concerns on another embodiment.

[First Embodiment]
Below, 1st Embodiment of this invention is described based on FIG.1 and FIG.2.
(Combine configuration)
Based on FIG.1 and FIG.2, the whole structure of the normal type combine provided with the illuminating device which concerns on this invention is demonstrated.

  As shown in FIG. 1 and FIG. 2, normal type (whole-throw-in type) threshing device 3 and grains supplied from the threshing device 3 are stored in the upper part of the machine body 2 provided with a pair of left and right crawler traveling devices 1. A Glen tank 17 and a driving unit 5 are provided. A driving unit 5 is disposed on the right side of the front part of the machine body 2, and a Glen tank 17 is disposed on the rear side of the machine body 2 and on the rear side of the driving unit 5. The threshing device 3 is arranged on the left side of the Glen tank 17 at the rear of the machine body 2 side by side with the Glen tank 17.

  An unloader 18 serving as a grain discharging device for discharging the grain out of the machine from the grain tank 17 is provided at the rear of the grain tank 17.

  The unloader 18 is connected to the rear end of the bottom screw 31 disposed at the bottom of the Glen tank 17 and is connected to the screw-type vertical transport mechanism 18a, and is connected to the upper end of the vertical transport mechanism 18a so as to be lifted and lowered. The horizontal transport mechanism 18b. The unloader 18 as a whole can be swung around a vertical axis P, which is the screw axis of the vertical transport mechanism 18a, by the operation of a swing motor (not shown). The horizontal transport mechanism 18b is configured to be able to move up and down.

  As shown by the solid line portion in FIG. 2, the unloader 18 when not in use is diagonally viewed in plan view from the rear part of the Glen tank 17 (the rear right side part of the machine body 2) to the front left side part of the machine body 2. It is being fixed to the receiving stand 35 so that it may be arrange | positioned (storage position B1). As shown by the arrow in FIG. 2, the unloader 18 can turn from the storage position B <b> 1 to the right limit position B <b> 2, which is a direction substantially lateral to the Glen tank 17. The unloader 18 does not turn forward from the storage position B1 to the front of the fuselage 2, nor does it turn from the right limit position B2 to the front of the fuselage 2 (only in the turning range B12 between the storage position B1 and the right limit position B2). 18 can turn).

  The front part of the threshing apparatus 3 is connected to a feeder 6 for conveying the harvested cereal meal, and the front part of the feeder 6 is connected to a cutting part 7 having a cutting width substantially corresponding to the width of the machine body.

  The mowing unit 7 includes right and left dividers 33 a and 33 b, a clipper-type mowing device 12 provided over a pair of left and right weed frames 11, and an auger installed over a pair of left and right weed frames 11. 13 and a scraping reel 16 that scrapes the planted culm backward and pulls it up. The culm harvested by the reaping device 12 is laterally fed by the auger 13 to the left and right central part to be fed 6 It is comprised so that it can supply to.

  The feeder 6 includes a scraping conveyor 14 in which a conveyor bar 14b is horizontally connected across a left and right chain 14a wound and stretched, and the cereal supplied from the feeder 6 is placed on the bottom surface of the feeder 6. It is comprised so that it can convey along and can supply to the threshing apparatus 3. FIG. The grain threshed by the threshing device 3 is configured to be supplied to the grain tank 17 via a grain transport mechanism (not shown) provided across the threshing device 3 and the grain tank 17. Yes.

  The grains stored in the grain tank 17 are carried out to the vertical conveyance mechanism 18a by the bottom screw 31, and then transferred from the vertical conveyance mechanism 18a to the horizontal conveyance mechanism 18b, and then horizontally conveyed by the horizontal conveyance mechanism 18b. And discharged from the discharge port 18c.

  The driving unit 5 includes a canopy 28 that protrudes upward from the upper surface of the Glen tank 17, and the canopy 28 is supported by a support column 29 that stands at the rear of the driver's seat 36. Two front work lamps 32 a and 32 b (lighting devices) are arranged side by side in the left-right direction at the front part of the canopy 28, and a rear work light 30 (lighting device) is placed at the rear part of the canopy 28.

(Irradiation range of the irradiation device)
Next, the irradiation range of the front work lamps 32a and 32b and the rear work lamp 30 will be described.
As shown in FIGS. 1 and 2, the left front work lamp 32a irradiates the irradiation range A1, and the scraping reel 16 itself, the front of the scraping reel 16, the right and left dividers 33a and 33b themselves, the right And the front of the left dividers 33a and 33b is irradiated. The right front work lamp 32b irradiates the irradiation range A2, and irradiates the right front of the scraping reel 16, the right divider 33b itself, and the front and side of the right divider 33b.
The rear work lamp 30 illuminates the illumination range A3, and the rear side of the Glen tank 17 and the side of the Glen tank 17 opposite to the side where the threshing device 3 is disposed (the right limit position on the right rear side of the machine body 2). (Near B2). The combine according to the present embodiment travels using a hydrostatic continuously variable transmission (HST), and when the shift lever is positioned at the neutral position (N) or the reverse position (R), It is comprised so that the lamp | ramp 30 may irradiate.

  As shown in FIG. 1, the canopy 28 is located above the upper surface of the Glen tank 17. According to the present configuration, the rear work lamp 30 can be provided at a position higher than the Glen tank 17 and light is less likely to be blocked by the Glen tank 17, so that the light can be emitted more widely.

  Usually, in the combine equipped with the unloader 18, after finishing the grain harvesting operation, for example, the grain is conveyed to the side of the grain tank 17 opposite to the side on which the threshing device 3 is arranged (right rear side of the machine body). A truck (not shown) is arranged, and the unloader 18 is swung to the position of the truck bed (not shown) so that the grains in the Glen tank 17 are placed in the truck bed or a bag placed on the bed. Discharge.

When performing the work at night, according to the combine of this configuration, the rear work lamp 30 illuminates the rear side of the grain tank 17 and the side of the grain tank 17 opposite to the side on which the threshing device 3 is disposed. Therefore, the operator can easily see the position of the unloader 18 and the truck bed. As a result, the worker can easily perform the grain discharging operation at night, and the working efficiency of the combine during night operation is improved.
Furthermore, according to the combine of this structure, since the back of the Glen tank 17 is also irradiated, it is easy to carry out reverse of an airframe.

[Second Embodiment]
Below, 2nd Embodiment of this invention is described based on FIG.3 and FIG.4.
(Combine configuration)
Based on FIG.3 and FIG.4, the whole structure of the normal type combine provided with the illuminating device which concerns on this invention is demonstrated.

  As shown in FIG. 3 and FIG. 4, a normal type (full-boiled type) threshing device 3, a bagging work unit 19, an operation unit 5, etc. are provided on the upper part of the machine body 2 provided with a pair of left and right crawler travel devices 1. Is deployed. A driving unit 5 is disposed on the right side of the front part of the machine body 2, and a bagging work unit 19 is disposed on the rear side of the machine body 2 and on the rear side of the driving unit 5. On the left side of the bagging work unit 19 at the rear part of the machine body 2, the threshing device 3 is arranged side by side with the bagging work unit 19.

  The front part of the threshing apparatus 3 is connected to a feeder 6 for conveying the harvested cereal meal, and the front part of the feeder 6 is connected to a cutting part 7 having a cutting width substantially corresponding to the width of the machine body.

  The mowing unit 7 includes right and left dividers 33 a and 33 b, a clipper-type mowing device 12 provided over a pair of left and right weed frames 11, and an auger installed over a pair of left and right weed frames 11. 13 and a scraping reel 16 that scrapes the planted culm backward and pulls it up, and the culm harvested by the reaping device 12 is laterally fed by the auger 13 to the left and right central part to be fed 6 It is comprised so that it can supply to.

  The feeder 6 includes a scraping conveyor 14 in which a conveyor bar 14b is horizontally connected across a left and right chain 14a wound and stretched, and the cereal supplied from the feeder 6 is placed on the bottom surface of the feeder 6. It is comprised so that it can convey along and can supply to the threshing apparatus 3. FIG. The grain threshed by the threshing device 3 is passed through a grain conveying mechanism (not shown) provided between the threshing device 3 and the bagging work unit 19, and the grain collection hopper of the bagging work unit 19 is used. 20 is configured to be supplied.

The bagging operation unit 19 includes a grain collection hopper 20 that stores grains and a deck 25 on which an operator performs bagging work on grains.
As shown in FIG. 3, the grain collection hopper 20 is formed in a rectangular prismatic shape whose upper part is long in the front-rear direction in plan view, and the front part and the rear part of the lower part thereof are in the shape of a quadrangular pyramid and have a concavity. The front and rear grain outlets 21 are formed in the lower part of the portion formed in the lower concavity. A slide-type shutter device (not shown) is provided at the lower part of the grain take-out port 21, so that the grain bag 37 is mounted below the grain take-out port 21 to operate the shutter device. Thus, the grain from the grain recovery hopper 20 can be bagged.

  Square pipe-shaped front and rear support frames 22 and 23 are fastened and fixed to the front and rear of the deck surface of the machine body frame 8, and the front and rear support frames 22 and 23 fix the grain recovery hopper 20. The front and rear are supported. A round pipe-shaped handrail 24 is connected across the front and rear support frames 22 and 23, and this handrail 24 functions as a reinforcing frame.

  At the right end of the fuselage frame 8, a deck 25 whose posture is freely changeable is supported so as to be swingable between a working posture protruding outward from the fuselage frame 8 and a non-working posture swinging upward and retracted. Has been. The deck 25 is configured so that the floor surface in the working posture is substantially parallel to the floor surface of the airframe frame 8 and is substantially flush with the floor surface of the airframe frame 8, and the floor surface in the non-working posture is the airframe. The frame 8 is configured to be substantially perpendicular to the floor surface.

  Front and rear auxiliary tools 26 are mounted on the upper ends of the front and rear support frames 22 and 23 at the lateral outer sides of the body. The front and rear assisting devices 26 are separately supported by the front and rear support frames 22 and 23 so as to be swingable. The front and rear assisting devices 26 project from the laterally outer side of the aircraft and the inner side of the aircraft. It is configured such that the posture can be changed to the stowed stored posture. Thereby, when the worker performs the bagging operation of the grain on the deck 25, the posture of the auxiliary tool 25 is changed to the use posture, and the bagging operation of the grain is performed while stabilizing the posture by the auxiliary tool 25. It can be performed.

  The driving unit 5 includes a canopy 28 that protrudes upward from the upper surface of the bagging work unit 19, and the canopy 28 is supported by a support column 29 that is erected at the rear of the driver's seat 36. Two front work lamps 32 a and 32 b (lighting devices) are arranged side by side in the left-right direction at the front part of the canopy 28, and a rear work light 30 (lighting device) is placed at the rear part of the canopy 28.

(Irradiation range of the irradiation device)
Next, the irradiation range of the illumination device will be described.
As shown in FIGS. 3 and 4, the left front work lamp 32a irradiates the irradiation range A1, the scraping reel 16 itself, the front of the scraping reel 16, the right and left dividers 33a and 33b themselves, the right And the front of the left dividers 33a and 33b is irradiated. The right front work lamp 32b irradiates the irradiation range A2, and irradiates the right front of the scraping reel 16, the right divider 33b itself, and the front and side of the right divider 33b.
The rear work lamp 30 irradiates the irradiation range A3, and the rear side of the bagging work unit 19 and the side of the bagging work unit 19 on the side opposite to the side where the threshing device 3 is disposed (the right rear side of the machine body 2). ). The front work lamps 32a and 32b and the rear work lamp 30 are configured so that they can be switched freely between an irradiation state and a non-irradiation state by turning on and off an operation switch (not shown) provided in the operation unit 5 and the like. .

  As shown in FIG. 3, the canopy 28 is located above the upper surface of the bagging work unit 19. According to this configuration, the rear work lamp 30 can be provided at a higher position than the bagging work unit 19, and light is less likely to be blocked by the bagging work unit 19, so that the light is emitted more widely. Can do.

  Usually, in a combine equipped with a bagging work unit 19, another worker (bag filling worker) who has boarded the deck 25 threshed by the threshing device 3 while the worker of the driving unit 5 performs the grain harvesting work. These cereals that have been put into a grain bag from the grain collection hopper 20 and temporarily placed in the field behind or on the side of the machine, and another worker (collection worker) is temporarily placed The work of sequentially collecting the grain bags is performed.

When carrying out these operations at night, according to the combine of this configuration, the back side of the bagging work unit 19 and the side of the bagging work unit 19 on the side opposite to the side on which the threshing device 3 is disposed (of the fuselage (Right rear side) is illuminated by the rear work lamp 30 and becomes brighter. As a result, the bagging operator can visually recognize the state of the field where the grain bag is temporarily placed, and the grain bag containing the grain can be easily placed in the field behind or on the side of the machine body, and the collection work Since the person can also visually recognize the temporarily placed grain bag and easily collect the grain bag, the working efficiency of the combine during night operation is improved.
Furthermore, according to the combine of this structure, since the back of the bagging work part 19 is also irradiated, it is easy to carry out reverse of the body 2.

[Another embodiment]
(1) As shown in FIGS. 5 to 9, the canopy 28 in the first or second embodiment described above is supported so that the angle can be adjusted in the vertical direction with the support shaft P <b> 1 in the rear portion as a fulcrum in the horizontal direction. You may comprise as follows.

  Specifically, as shown in FIGS. 6 and 7, the canopy 28 in this configuration includes a roof member 70, a roof frame 71, a roof panel 72, and an inclination angle adjustment mechanism 80.

  The roof frame 71 is formed in a U-shape that is opened rearward in a plan view by a round pipe material, and a rear portion thereof is connected by a support frame 71a made of a round pipe. A plurality of vertical through holes are formed in the roof frame 71, and a roof panel 72 described later is fastened and fixed to the plurality of through holes.

  A front handle 73 is provided on the left front portion of the roof frame 71, and a rear handle 74 is provided at a position diagonally opposite to the front handle 73 on the right rear portion of the roof frame 71 in plan view. . The front and rear handles 73 and 74 are formed of round bars and are fixed to the roof frame 71. Accordingly, when the inclination angle of the roof member 70 is changed by the inclination angle adjustment mechanism 80, the roof member 70 is stably gripped by operating the roof member 70 via the front and rear handles 73 and 74. In addition, the roof panel 72 formed of resin can be prevented from being damaged.

  Left and right through holes are formed at the front end portions of the left and right support frames 41a of the connection frame 41 connected to the support column 29, and an inclination angle adjustment described later is provided on the inner surface side of the front end portions of the left and right support frames 41a. The left and right guide members 81 that form a vertical plate constituting the mechanism 80 are fixed.

  A support bracket 75 extending downward from the support frame 71a is fixed to the support frame 71a of the roof frame 71. The support bracket 75 is fitted in and fixed to the vertical plate-like left and right plate-like members 76 fixed to the left and right sides of the support frame 71 a and through holes formed in the lower portions of the left and right plate-like members 76. In addition, a long circular pipe-like connecting pipe 77 is provided on the left and right.

  The connection pipe 77 of the support bracket 75 is inserted between the left and right guide members 81 fixed to the inner surface side of the left and right support frames 41a, and the left and right support frames 41a are connected to the left and right support frames 41a by a round pipe support shaft 78. It is supported so as to be rotatable around the axial center P1. As a result, the roof member 70 is supported so as to be rotatable around the left and right axial center P <b> 1 of the upper portion of the column 29.

  Next, the inclination angle adjusting mechanism 80 provided over the upper portion of the support column 29 and the rear portion of the roof member 70 will be described. The tilt angle adjusting mechanism 80 includes left and right guide members 81 fixed to the front ends of the left and right support frames 41a, an tilt angle adjusting tool 83, and an elastic spring 89.

  In the left and right guide members 81, a plurality of engaging grooves 81a are formed at predetermined angles around the left and right axis P1, so that the inclination angle of the roof member 70 is changed and adjusted every predetermined angle. It is configured to be able to. In addition, the left and right guide members 81 are formed with guide grooves 81b located on the circumference centered on the left and right axis P1.

  A support shaft 82 is supported on the front upper portions of the left and right plate-like members 76 in the support bracket 75 so as to be rotatable about a left and right axis P <b> 2, and an inclination angle adjusting tool 83 is supported on the support shaft 82. It is supported rotatably. As a result, the tilt angle adjuster 83 is supported by the plate-like member 76 so as to be swingable back and forth around the left and right axis P2.

  The tilt angle adjuster 83 includes a rod 84 formed of a round bar, a left arm member 85 fixed to the left end portion of the rod 84, and a right arm member 86 fixed to the right end portion of the rod 84. Configured. The right arm member 86 extends downward from the left arm member 85, and a resin grip 83a is externally attached to the lower end of the right arm member 86.

  A flat plate-like front support plate 87 is fixed to the front side of the central portion of the right arm member 86 of the tilt angle adjuster 83, and a flat plate shape protruding forward on the right side portion of the connection pipe 77 in the support bracket 75. A rear support plate 88 is fixed, and an elastic spring 89 is mounted across the front support plate 87 and the rear support plate 88. The elastic spring 89 is constituted by a tension spring, and the inclination angle adjuster 83 is urged rearward by the elastic spring 89.

  The inclination angle adjuster 83 is swung forward about the left and right axis P2 against the urging force of the elastic spring 89, and the engagement of the rod 84 with the engagement groove 81a is released. The tilt angle of the roof member 70 can be changed and adjusted stepwise by swinging up and down around the left and right axis P1. In this case, in a state where the rod 84 is engaged with the engagement groove 81a, the rod 84 does not reach the back end (rear end) of the engagement groove 81a and contacts the front and rear central portions of the engagement groove 81a without any gap. It is configured as follows.

  Accordingly, the tilt angle adjusting tool 83 is swung forward to change the tilt angle of the roof member 70 while changing the tilt angle of the roof member 70 while bringing the rod 84 into contact with the guide grooves 81b formed on the left and right guide members 81, thereby moving the rod 84 to the left and right. The weight of the roof member 70 acting around the axis P1 can be easily supported by pushing the tilt angle adjuster 83 forward, and the tilt angle of the roof member 70 can be easily changed.

  Further, at the position where the angle of the roof member 70 is adjusted, the tilt angle adjuster 83 is swung backward while being assisted by the biasing force of the elastic spring 89, and the rod 84 is engaged with the engagement groove 81a. The position where the inclination angle of the roof member 70 is changed can be maintained. In this case, the biasing force of the elastic spring 89 is set so as to act even when the rod 84 is engaged with the engagement groove 81a, so that the position where the inclination angle of the roof member 70 is changed can be reliably held. For example, it is possible to prevent the engagement of the rod 84 with the engagement groove 81a due to vibration during traveling or the like.

According to the above configuration, when the driving unit 5 includes the canopy 28, the canopy 28 can be used when the driver changes the posture to the standing posture or the sitting posture, or when the combine is carried on the truck. The angle of the rear part can be adjusted in the vertical direction.
Therefore, according to the present configuration, by effectively using the angle adjustment structure of the canopy 28, the irradiation range A3 of the front work lamps 32a and 32b and the rear work lamp 30 can be set by adjusting the angle of the canopy 28 in the vertical direction. It can be adjusted in the vertical direction.

  In particular, as shown in FIG. 8, by adjusting the angle of the canopy 28 in the vertical direction, the rear work lamp 30 illuminates the vicinity of the aircraft (irradiation range A3-1), or illuminates the rear (irradiation range A3-2). ) Etc., the irradiation range can be easily adjusted. In addition, as shown in FIG. 9, you may comprise so that the irradiation range A3 of the rear work lamp | ramp 30 may have the protrusion width S substantially equivalent from the edge part of a pair of left-right crawler traveling apparatus 1. FIG. With this configuration, it is easy to see the rear of the fuselage, and it is easy to perform a reverse operation of the combine.

(2) As shown in FIG. 10, the lighting device in the second embodiment described above includes two after-working lights 30a and 30b arranged side by side in the left-right direction, and the after-working light 30a provided on the threshing device 3 side includes Irradiate the back of the bagging work section 19 (the irradiation range A3a of the rear work lamp 30a has a substantially equal protrusion width S from the ends of the pair of left and right crawler travel devices 1), on the opposite side to the threshing device 3 You may comprise so that the post work lamp 30b provided may irradiate the side of the bagging operation | work part 19 (irradiation range A3b). Moreover, although not shown in figure, also in the above-mentioned 1st Embodiment, the illuminating device is provided with the two post work lamps 30a and 30b arrange | positioned along with the left-right direction, and the post work light 30a provided in the threshing apparatus 3 side is a glen After irradiating the rear side of the tank 17 (the irradiation range A3a of the rear work lamp 30a has a substantially equivalent protrusion width S from the ends of the pair of left and right crawler traveling devices 1) and is provided on the side opposite to the threshing device 3 The work lamp 30b may be configured to irradiate the lateral side of the Glen tank 17 (irradiation range A3b).

  In this case, the irradiation ranges A3a and A3b of the two rear work lamps 30a and 30b shown in FIG. 10 are not limited to be overlapped with each other, and as shown in FIG. It is good also as a structure which irradiates so that each irradiation range A3a and A3b may not mutually overlap.

  According to this configuration, the rear work lamp 30a provided on the threshing device 3 side is provided at a position close to the center of the left and right sides of the machine body 2, so that it is easy to irradiate the rear of the machine body 2 equally on the left and right sides. Since the rear work lamp 30b provided on the side is provided at a position near the lateral outer side of the machine body 2, it is easy to irradiate the lateral side of the glen tank 17 or the lateral side of the bagging work unit 19.

  In addition, about the installation number, installation position, irradiation range, etc. of the back work lamp 30 in this structure, it is not limited to said structure, The back and side of the Glen tank 17, or the back of the bagging operation part 19 If necessary, install more work lights, or change the installation position and irradiation range of those work lights as necessary. Can do.

(3) As shown in FIGS. 12 and 13, the operating unit 5 in the first and second embodiments described above includes a cabin 34 that protrudes above the upper surface of the Glen tank 17 or the bagging work unit 19, It is good also as a structure which provides the back work lamp 30 as an illuminating device in the rear part of the ceiling part of the said cabin 34. FIG.

(4) The installation position of the lighting device is not limited to the canopy 28 or the cabin, but can be configured to illuminate the back and side of the glen tank 17 or the back and side of the bagging work unit 19. As long as there exists, it is good also as a structure provided in appropriate positions, such as the threshing apparatus 3, the glen tank 17, the unloader 18, or the bagging operation part 19, for example.

  As described above, the present invention can be applied not only to a general combine but also to a self-removing combine.

2 Airframe 3 Threshing device 5 Driving part 7 Cutting part 17 Glen tank 18 Unloader 19 Bagging work part 20 Grain recovery hopper 25 Deck 28 Canopy 30 Rear work light (lighting device)
34 cabin

Claims (8)

A cutting part and a driving part are provided at the front of the aircraft,
Arrange the threshing device and the Glen tank side by side in the left-right direction at the rear of the aircraft,
A swivelable grain discharging device is provided at the rear of the Glen tank,
A combine comprising a lighting device for irradiating the rear of the Glen tank and the lateral side of the Glen tank opposite to the side on which the threshing device is arranged.   2. The combine according to claim 1, wherein the operation unit includes a cabin or a canopy projecting upward from an upper surface of the Glen tank, and the lighting device is provided at a rear part of the ceiling part of the cabin or a rear part of the canopy.   The combine of Claim 2 which supports the said canopy so that angle adjustment is possible to an up-down direction by using the back part as a fulcrum in the left-right direction.   The lighting device includes two work lights arranged side by side in the left-right direction, and one work light provided on the threshing device side irradiates the rear side of the Glen tank, and the other provided on the opposite side of the threshing device. The combine as described in any one of Claims 1-3 which irradiates the side of the said Glen tank with a working light of. A cutting part and a driving part are provided at the front of the aircraft,
At the rear of the aircraft, arrange the threshing device and bagging work part side by side in the left and right direction,
The bagging unit includes a grain collection hopper that stores grains and a deck on which an operator performs bagging work of grains,
A combine comprising an illuminating device for irradiating the back side of the bagging unit and the side of the bagging unit opposite to the side on which the threshing device is arranged.   The combine according to claim 5, wherein the operation unit includes a cabin or a canopy projecting upward from an upper surface of the bagging operation unit, and the lighting device is provided at a rear part of the ceiling part of the cabin or a rear part of the canopy. .   The combine of Claim 6 which supports the said canopy so that angle adjustment is possible to an up-down direction by using the back part as a fulcrum in the left-right direction.   The lighting device includes two work lights arranged side by side in the left-right direction, and one work light provided on the threshing device side irradiates the back of the bagging work unit, and is provided on the opposite side of the threshing device. The combine according to any one of claims 5 to 7, wherein the other work lamp to be irradiated irradiates a side of the bagging work section.

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