JP4713108B2 - Harvesting machine - Google Patents

Description

The present invention relates to a harvesting machine in which a self-propelled machine body is provided with a boarding-type driving unit, and a pre-harvest processing unit is provided at the front part of the self-running machine body so as to be movable up and down.

Conventionally, for example, as shown in Patent Document 1, there is a lamp in which a headlamp 6 is provided on the front surface of the operation unit 5 and a work lamp 8 is provided above the headlamp 6.
Moreover, as shown in Patent Document 2, a dustproof cover 3 that covers the upper part of the grain feeder 2 of the reaping device 1 (corresponding to the pre-harvest processing unit) is divided into a front cover 4 and a rear cover 5, and the front part When the cover 4 is fixed and the headlamp 33 is attached to the front end of the front cover 4 and the rear cover 5 is slid to the open position on the front side, the rear cover 5 covers the top of the headlamp 33 and the headlamp In some cases, the lamp 33 can irradiate the vicinity of the herbaceous body 25 by an irradiation region reflected by the inner surface of the rear cover 5 in addition to the normal forward irradiation region.

Japanese Utility Model Publication No. 62-175834 (pages 3, 4 and 1, 3, 4)

JP-A-10-136758 (stages [0015] and [0024], FIG. 6)

  When working at night with a harvester, if the front can be illuminated in a wide range in the front-rear direction, the front end of the pre-harvest processing unit is also illuminated in front of it, and the pre-harvest processing unit is positioned with respect to the crop. This makes it easier to match and makes it easier to check the status of the destination, making work easier.

If the above-mentioned conventional technology is adopted to widen the illumination range, it is necessary to equip many illumination lamps or to provide an excellent reflector function to members other than the illumination device, which is disadvantageous in terms of structure and cost. Tended to be.
Moreover, when the technique shown in Patent Document 2 is adopted, if the vicinity of the front end of the pre-harvest processing unit is illuminated, the rear cover is placed in an open position, so that there is a problem that the dustproof effect of the dustproof cover is reduced. .

  An object of the present invention is to provide a harvester that can advantageously ensure a wide illumination range in terms of structure and cost, and that can be ensured without impeding work.

In the first invention, a self-propelled aircraft is provided with a boarding type operating unit, and a pre-harvest processing unit is provided at the front of the self-propelled aircraft so as to be raised and lowered .
A vertically long and elongated assembly recess provided in a corner portion formed by a front plate portion and a horizontal plate portion of the horizontal cover, in which a horizontal cover is continuously provided on the lateral outer side of the stalk raising apparatus of the pre-harvest processing unit. , the set of elongated vertically elongated headlamp apparatus,
An upper reflector that irradiates light from the bulb of the headlamp device in an irradiation direction downward of the self-propelled machine body and in a state where the tip of the weeding tool located at the most lateral end of the pre-harvest processing unit enters the irradiation range Is provided on the upper side of the bulb of the headlamp device, and the light from the bulb of the headlamp device is in an irradiation direction upward of the self-propelled machine body than the irradiation direction by the upper reflector unit , and the pre-harvest processing unit the lower reflector portions for irradiating the parallel or substantially parallel to the self-propelled vehicle body forward direction to the ground with lowering working state of, Bei example below the valve of the headlight device,
An inner reflector portion for irradiating light from another bulb of the headlight device in an irradiation direction toward the front of the self-propelled aircraft is provided inside the self-propelled aircraft of the other bulb of the headlamp device, and the headlamp An outer reflector unit that irradiates light from another bulb of the apparatus in an inward irradiation direction in a lateral direction of the self-propelled aircraft rather than an irradiation direction by the inner reflector unit, Prepare for the outside of the aircraft,
The bulb of the headlamp device, the upper reflector portion, and the lower reflector portion are located below the vertically long headlamp device, and another bulb of the headlamp device, the inner reflector portion, and the The bulb of the headlamp device and another bulb of the headlamp device are arranged side by side in the vertical direction of the self-propelled vehicle body so that the outer reflector portion is positioned above the vertically long headlamp device .

  In other words, since the headlamp device is provided and the upper reflector portion and the lower reflector portion are provided in the headlamp device, the headlamp device is lit even if many headlamp devices with different irradiation directions are not equipped. It is possible to illuminate over a wide irradiation range in the front-rear direction by the irradiation action of the upper reflector portion and the lower reflector portion.

Thus, even during the night, despite those easily work with lighting over a wide range of illumination can work without accompanying disorders such as dusts need only turn on the headlight device is likely to scatter In addition, the required number of headlamp devices can be reduced, and the structure can be obtained simply and inexpensively.

  That is, it is possible to illuminate over a wide irradiation range in the lateral direction of the self-propelled aircraft by the irradiation action by the inner reflector portion and the outer reflector portion even if many headlamp devices having different irradiation directions are not provided.

Thus, even during the night, despite those easily work with lighting over a wide range of illumination also in the transverse direction in the longitudinal direction in the running direction, the structure obtained easily and inexpensively by finished reducing the required number of the headlamp apparatus it is Ru can.

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 and 2, a riding-type driving unit 3 equipped with a driver's seat 2 and the like on the front portion on one side in the lateral direction of the self-propelled aircraft that is self-propelled by the crawler traveling device 1, and driving A driving part equipped with an engine located below the seat 2 is provided, and a base part of the pre-processing part frame body 11 of the pre-cutting processing part 10 is rotatably connected to a front part of the body frame 4 of the self-propelled machine body. In addition, the lift cylinder 5 is interlocked with the pretreatment unit frame main body 11, and the threshing device 6 and the grain tank 7 are provided on the rear side of the machine body frame 4 so as to constitute a combine for harvesting rice, wheat and the like. is there.

  That is, when the lift cylinder 5 is expanded and contracted, the lift cylinder 5 swings the preprocessing unit frame main body 11 up and down with respect to the body frame 4, and the cutting preprocessing unit 10 is moved to the weeding tool 12, the cutting device 14, and the like. The self-propelled body is swung up and down in a descending work state in which the tool is positioned near the ground and a lifting non-working state in which the separation tool 12 and the like are raised from the ground. When the pre-cutting processing unit 10 is in the descending work state and the self-propelled machine body is caused to travel, the pre-cutting processing unit 10 uses the plurality of weed tools 12 arranged in the lateral direction of the self-propelled machine body as a target for cutting the planted cereal culm. A device for splitting a non-harvesting target and raising a planted culm to be harvested into a stem R and introducing the planted culm from each weeding tool 12 to a stalk 13 and the reaping process by one of the reaping devices 14, and the reaped cereals from the reaping device 14 are conveyed by the feeding device 15 toward the rear of the machine body to the start end of the threshing feed chain 6 a of the threshing device 6. Supply. The threshing device 6 supplies the tip side to a handling room (not shown) while squeezing and conveying the stock side of the harvested cereal rice cake to the rear side of the machine body by the threshing feed chain 6a and threshing it. The grain tank 7 collects and stores the threshing grains from the threshing device 6.

The pre-cutting processing unit 10 will be described in further detail. The pre-cutting processing unit 10 is configured as shown in FIGS.
That is, the pretreatment unit frame body 11 facing the front and rear of the self-propelled machine body, the support member 17 facing the self-propelled machine body having an intermediate portion connected to the front end of the pretreatment unit frame body 11, and the self-propelled machine body of the support member 17 A pre-processing part frame is constituted by a weed urn 18 extending in front of the self-propelled aircraft from a plurality of locations in the lateral direction, and the weeding tool 12 is fixed to the tip of each weed urn 18 The stem stem raising path R is provided between a pair of adjacent weed rods 18, and the stem raising device 13 is placed on the lateral end side of each stem stem raising path R toward the upper end side. Provided in an inclined state located on the rear side, the clipper-shaped mowing device 14 is provided at the proximal end of the weed ridge 18, and the supply device 15 is provided behind the pulling device 13.

  As shown in FIG. 1, on both sides of the pre-cutting processing unit 10, a horizontal cover 30 that raises the stem and covers the lateral side of the rear side of the device 13 and a dustproof cover 19 that covers the upper side of the supply device 15 are provided. is there. As shown in FIGS. 3 and 4 and the like, each of the left and right lateral covers 30 has a front side plate portion 31 having a forward facing surface 31a facing forward of the self-propelled aircraft body and a lateral surface 32a facing the lateral direction of the self-propelled aircraft body. Of the stalk raising device 13 located on the outermost lateral side of the plurality of stalk raising devices 13, which is formed of a bent sheet metal that is bent so as to be provided with the lateral plate portion 32. The pull-up case 13b is continuously provided on the lateral side. Each of the left and right lateral covers 30 is configured such that the forward facing surface 31a thereof is raised to be in a state along the front surface 13c of the case 13b facing the front of the self-propelled machine body. Both the forward facing surface 31a of the left and right lateral covers 30 and the front surface 13c of the raising case 13 are inclined surfaces that are inclined so as to be positioned on the rear side of the self-propelled aircraft toward the upper end side.

  As shown by the broken lines in FIG. 4, each of the stalk raising devices 13 has an endless raising chain 13d wound around a drive sprocket 13e and an idler wheel 13f inside the raising case 13b. It is provided and configured.

  When the raising chain 13d is rotationally driven by the drive sprocket 13e, the raising claws 13a provided in a plurality of places on the raising chain 13d so as to be able to swing up and down are sequentially raised in the lateral direction of the self-propelled body of the raising case 13b. The raising side of the one end side is moved up and the return side of the other end side of the case 13b is lowered. The pulling claw 13a that moves upward on the pulling side is lifted for a standing operation by a standing guide (not shown) located inside the pulling case 13b and is raised in a standing posture with respect to the chain 13d. The nail | claw 13a raises and moves in the state which the front end side raised and protruded from the case 13b to the lateral outer side. When the raising claw 13a reaches the end of the raising side, the raising guide (not shown) located inside the raising case 13b performs the falling operation, and the raising claw 13a changes from the standing posture to the lying posture. The posture is changed and moved to the return side to be raised and moved down in the lying posture in the case 13b, and is raised to return from the return side to the return side at the lower end portion of the case 13b.

  As a result, each stalk raising device 13 raises the raising claw 13a that has been raised from the return side and returned to the standing side at the lower end of the case 13b to the planting stalk from the weeding tool 12. The planted stems are raised and processed by the raising claws 13a which are raised and moved up in a standing posture protruding sideways from the case 13b.

  As shown in FIGS. 3, 4, etc., the headlamp device 20 is placed at the corners on both lateral ends of the pre-cutting processing unit 10 so that the stems are raised and positioned slightly laterally outside the upper end of the device 13. It is provided.

As shown in FIGS. 3 and 4, both the left and right headlamp devices 20 are assembled for the headlamp device provided at the corner formed by the front plate portion 31 and the side plate portion 32 of the horizontal cover 30. A pair of headlamps 22 and 23 arranged side by side in the vertical direction of the self-propelled machine body is provided in the recess 33.

Both the left and right headlamp devices 20 are configured as follows.
That is, forward surface 31a of the front plate portion 31 of the lateral cover 30, since it is inclined along the front surface 13c of Pick casing 13b stalks稈引cause device 13, the set seen with recesses 33, self-propelled The upper part of the aircraft is located on the inclined part that is inclined to the rear side of the self-propelled aircraft. Also, the set seen with recesses 33, since that is constituted by providing the said front plate portion 31 of the transverse cover 30 notches over the lateral side plate section 32 Doo, to self-propelled vehicle body forward-facing, self-propelled vehicle body The headlight device 20 is radiated in the frontward direction of the self-propelled machine body and also easily radiated in the laterally outward direction of the self-propelled machine body.

As shown in such Figure 7 and 9, the upper headlight 22 also lower headlamp 23 of the pair of upper and lower headlamp 22 and 23, fixed to the lateral cover 30 inside the assembly recess 33 A headlamp case 20a, reflectors 24 and 25 fixed to the headlamp case 20a, valves 28 and 29 supported by valve support portions 26 and 27 located at the bottom of the reflectors 24 and 25, and a headlamp. A lens 21 mounted on the front side of the lamp case 20a is provided. The headlamp case 20a of the upper headlamp 22 and the headlamp case 20a of the lower headlamp 23 are formed as an integral part. The reflector 24 of the upper headlamp 22 and the reflector 25 of the lower headlamp 23 are formed as an integral part. The lens 21 of the upper headlamp 22 and the lens 21 of the lower headlamp 23 are molded into an integral part.

  As shown in FIGS. 9, 10, and 11, the reflector 25 of the lower headlamp 23 is positioned so that two kinds of reflector portions 25 a and 25 b having different reflection characteristics are separated in the vertical direction of the self-propelled aircraft at a boundary line 25 c. The reflector 24 of the upper headlamp 22 is provided with two types of reflector portions 24a and 24b having different reflection characteristics so as to be located separately in the lateral direction of the self-propelled aircraft at the boundary line 24c. The two types of reflectors 25a and 25b of the lower headlamp 23 and the two types of reflectors 24a and 24b of the upper headlamp 22 are configured using a discontinuous three-dimensional surface.

  The reflection characteristics of the two types of reflector portions 25a and 25b of the lower headlamp 23 are reflected from the upper reflector portion 25a out of the bulb 29 of the lower headlamp 23 and out of the two types of reflector portions 25a and 25b. The light emitted toward the front of the self-propelled aircraft is irradiated in the direction toward the lower side of the self-propelled aircraft, and the tip of the weeding tool 12 located at the most lateral end enters the irradiation range, and the lower headlight The light emitted from the bulb 29 of the lamp 23 and reflected by the lower reflector 25b of the two types of reflectors 25a and 25b and directed toward the front of the self-propelled aircraft is more self-propelled than the direction of irradiation by the upper reflector 25a. If the pre-cutting processing unit 10 is irradiated in the upward direction of the airframe and the pre-cutting processing unit 10 is in the descending work state, the light irradiated in the forward direction of the self-propelled airframe by the lower reflector 25b becomes light parallel to or close to the ground. Set to reflection characteristics Are you.

  The reflection characteristics of the two types of reflector portions 24a and 24b of the upper headlamp 22 are reflected from the bulb 28 of the upper headlamp 22 and reflected by the inner reflector portion 24a of the two types of reflector portions 24a and 24b. The light radiated in the forward direction of the traveling body is irradiated in the irradiation direction almost immediately before, and the front is irradiated slightly outside the lateral side of the traveling body of the pre-cutting processing unit 10 in the lateral direction, and the upper front side. The light emitted from the bulb 28 of the illumination lamp 22 and reflected by the outer reflector 24b of the two types of reflectors 24a and 24b and emitted toward the front of the self-propelled aircraft is more self-propelled than the direction of irradiation by the inner reflector 24a. The reflection characteristics are set so that the light is irradiated in the inward irradiation direction in the lateral direction of the airframe.

  As shown in FIGS. 9 and 10, an upward reflecting tongue 25d is provided at the lower part of the reflector members constituting the reflectors 24 and 25, and the upward reflecting tongue 25d In a state where a part of the light is reflected upward from the direction of reflection by the reflectors 25a and 25b and the pre-cutting processing unit 10 is raised to the non-working state, a part of the light from the bulb 29 is directed to the oncoming vehicle. It is made not to irradiate towards.

  As shown in FIG. 1, the headlamp device 20 is assembled so that the optical axis 29a of the bulb 29 of the lower headlamp 23 passes through the tip 12a of the weeding tool 12 located at the most lateral end.

  In the left headlamp device 20, as shown in FIG. 7, the valves 28 and 29 of the upper headlamp 22 and the lower headlamp 23 are inclined at about 15 degrees with respect to the front-rear direction of the self-propelled aircraft. A is supported in a mounting posture inclined leftward and outward at A. Although not shown, in the right headlamp device 20, the bulbs 28 and 29 of the upper headlamp 22 and the lower headlamp 23 are positioned at a right angle of about 15 degrees with respect to the front-rear direction of the self-propelled aircraft. It is supported in a mounting posture inclined laterally outward.

  As shown in FIG. 1, side lighting 40 is provided on the lateral side farther from the driving unit 3, on both lateral sides of the pre-cutting processing unit 10.

  As shown in FIG. 8, the side lamp 40 is fixed to the side cover 30 by being arranged in a side lamp assembly recess 34 provided with a through hole in the side plate portion 32 of the side cover 30. A reflector 41, a valve 42 supported by the reflector 41, and a lens 43 fixed to the front portion of the reflector 41 are provided.

  2 shows the irradiation range by the side lamp 40, and FIG. 2 shows a plan view of the self-propelled aircraft irradiated by the left and right headlamp devices 20 when the pre-cutting processing unit 10 is lowered to the lowering work state. 6 (a) shows the irradiation range in a side view of the self-propelled aircraft that the left and right headlamp devices 20 irradiate when the pre-cutting processing unit 10 is lowered to the descending work state. FIG. 6B shows the irradiation range in the side view of the self-propelled aircraft that the left and right headlamp devices 20 irradiate when the pre-cutting processing unit 10 is raised to the lifted non-working state that has been raised to the stroke end. When the harvesting operation is performed, the mowing pretreatment unit 10 is lowered to the lowering operation state even at night, and therefore the upper headlamp 22 and the lower headlamp 23 of the left headlamp device 20 are used. Of the weeding tools 12 arranged in the lateral direction of the vehicle body, the vehicle body left lateral outermost The upper headlamp 22 of the right headlamp device 20 is irradiated while irradiating the front end portion of the weeding tool 12 and the irradiation range LD that irradiates the left lateral outer side of the weeding tool 12 and the front ground. And the lower headlamp 23, the distal end portion of the weeding tool 12 located on the outermost right side of the weeding tool 12 of the weeding tools 12 arranged in the lateral direction of the car body, The work can be performed while irradiating the irradiation range RD for irradiating the front ground. At this time, pre-cutting processing is also performed by illumination in the illumination range S by the side lamp 40 in addition to the illumination of the self-propelled vehicle body laterally outward by the upper head lamp 22 and the lower head lamp 23 of the left head lamp device 20. Illuminating the uncut grain halves near the lateral end of the section 10, in particular, illuminating the vicinity of the roots of the uncut grain cereals, makes it easy to align the weeding tool 12 with the uncut grain culms.

  When traveling in a non-working state such as on the road, the upper headlight of the left headlight device 20 is raised by raising the pre-cutting processing unit 10 to the stroke non-working state even at night. The lamp 22 and the lower headlamp 23 irradiate an irradiation range LU that irradiates the ground surface farther away from the self-propelled aircraft than the irradiation range LD when the pre-cutting processing unit 10 is in the descending work state. However, the upper headlamp 22 and the lower headlamp 23 on the right side of the headlamp device 20 move further forward from the self-propelled aircraft than the irradiation range RD when the pre-cutting processing unit 10 is in the lowering work state. It is possible to travel while irradiating the irradiation range RU that irradiates on the ground. At this time, it is possible to travel while illuminating the front so that the oncoming vehicle is less likely to be dazzled by the upward reflection by the upward reflection tongue 25d.

In both the left and right headlamp devices 20, as shown in FIG. 5, both the upper headlamp 22 and the lower headlamp 23 raise the stems and are self-propelled from the front surface 13c of the raising case 13b of the device 13. The outer surfaces of the lenses 21 of both headlamps 22 and 23 are raised so as to be in a state of being moved backward by a backward difference B toward the rear side of the machine body, and slightly backward from the front surface 13c of the case 13b. so as to be positioned are assembled a headlight device 20 to the set seen with recess 33. 4 and 5, when the forced weeding device 50 is mounted on the front side of the stalk raising device 13 located at the most lateral end as shown by a two-dot chain line, the headlamp device 20 is unlikely to become an obstacle. Thus, the forced weeding device 50 raises the pedicles and approaches the inclined front surface 13c of the weeding case 13b of the device 13 so that it is easy to follow.
The forced weeding device 50 divides the planted cereals into a cutting target and a non-cutting target by the weed claw 52 that moves upward from the weeding case 51 in a state of protruding to the front side of the self-propelled aircraft.

  As shown in FIGS. 1 and 3, the left and right lateral covers 30 can be easily detached by simply switching the pair of catchers 35 between the engaged state and the disengaged state. The cover 30a and the lower cover 30a are separate parts and are configured by an upper cover 30b provided with the headlamp device 20 and the side lamp 40.

  As shown in FIGS. 9 and 13, the concave portion 60 located on the back side of the forward concave portion 60 a into which the reflector 25 of the lower headlamp 23 enters the back side of the headlamp case 20 a, and the reflector 24 of the upper headlamp 22. Is provided with a pair of mounting legs 62 and 62 projecting in a state of being arranged in the vertical direction of the headlamp device with one recess 61 interposed therebetween. Each mounting leg portion 62 connects the headlamp device 20 to a support portion (not shown) of the lateral cover 30. As shown in FIG. 12, a lens abutting portion 63 is provided on the front side of the headlamp case 20a in a closed loop shape to which an end portion of the entire lens 21 is abutted. A lens connecting portion 64 to which the lens 21 is fastened and connected is provided at a corner located outside the lens abutting portion 63. Thereby, the headlamp case 20a and the headlamp apparatus 20 are in a state of having a structure with improved rigidity.

  In addition to the combine, the present invention can also be applied to a working machine that harvests various crops such as onions and carrots. Accordingly, the pre-harvest processing unit 10 is referred to as a pre-harvest processing unit 10, and work machines and combines that harvest onions and carrots are collectively referred to as a harvester.

Side view of the entire combine Explanatory drawing which shows the irradiation range in the body top view of a headlamp apparatus and a side lamp Perspective view of pre-cutting processing unit Front view of the pre-harvest processing unit Plan view showing how to install a forced weeding device in the pre-harvest processing unit (A) is explanatory drawing which shows the irradiation range in the body side view of the headlamp apparatus in a working state, (b) shows the irradiation range in the body side view of the headlamp apparatus in a non-working state. Illustration Cross-sectional plan view of headlight device Side plan view of side lights Longitudinal side view of headlight device Front view of reflector Reflector perspective view Perspective view on the front side of the headlamp case Oblique view of the back side of the headlamp casing

3 Driving unit 10 Pre-harvest processing unit
12 Dividing tool 13 Stem rod raising device 20 Headlight device 24a Inner reflector portion 24b Outer reflector portion 25a Upper reflector portion 25b Lower reflector portion 28 Another valve 29 of the headlamp device Side of valve 30 of the headlamp device cover
31 Front plate
32 Side plate
33 Assembly recess

Claims (1)

A self-propelled aircraft is provided with a boarding-type driving unit, and a pre-harvest processing unit is provided at the front of the self-propelled aircraft so as to be movable up and down,
A vertically long and elongated assembly recess provided in a corner portion formed by a front plate portion and a horizontal plate portion of the horizontal cover, in which a horizontal cover is continuously provided on the lateral outer side of the stalk raising apparatus of the pre-harvest processing unit. , the set of elongated vertically elongated headlamp apparatus,
An upper reflector that irradiates light from the bulb of the headlamp device in an irradiation direction downward of the self-propelled machine body and in a state where the tip of the weeding tool located at the most lateral end of the pre-harvest processing unit enters the irradiation range Is provided on the upper side of the bulb of the headlamp device, and the light from the bulb of the headlamp device is in an irradiation direction upward of the self-propelled machine body than the irradiation direction by the upper reflector unit , and the pre-harvest processing unit the lower reflector portions for irradiating the parallel or substantially parallel to the self-propelled vehicle body forward direction to the ground with lowering working state of, Bei example below the valve of the headlight device,
An inner reflector portion for irradiating light from another bulb of the headlight device in an irradiation direction toward the front of the self-propelled aircraft is provided inside the self-propelled aircraft of the other bulb of the headlamp device, and the headlamp An outer reflector unit that irradiates light from another bulb of the apparatus in an inward irradiation direction in a lateral direction of the self-propelled aircraft rather than an irradiation direction by the inner reflector unit, Prepare for the outside of the aircraft,
The bulb of the headlamp device, the upper reflector portion, and the lower reflector portion are located below the vertically long headlamp device, and another bulb of the headlamp device, the inner reflector portion, and the A harvesting device in which a bulb of the headlamp device and another bulb of the headlamp device are arranged side by side in the vertical direction of the self-propelled aircraft so that the outer reflector portion is positioned above the vertically long headlamp device. Machine.

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