JP2011004760A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester with side covers 82R, 82L formed in a simple form and installing a headlight 81 on a high position of a reaping device 3.SOLUTION: The combine harvester including a traveling body 1 provided with an engine 20, the reaping device 3 provided with a grain culm raising device 31, a reaping blade device 32 and a grain culm conveyer 33, etc., the side covers 82R, 82L covering the sides of the reaping device 3, and light housings 83R, 83L in which the headlight 81 is provided, wherein the upper edges of the side covers 82R, 82L are formed as forward tilting to make the front side lower, and the upper end sides of the side covers 82R, 82L are set to the lower end sides of the light housings 83R, 83L.

Description

  The present invention relates to a combine that harvests a grain by threshing the harvested corn straw with a threshing device while harvesting an uncut grain culm in a field with a harvesting device, and more specifically, in a harvesting operation at night, etc. It is related with the combine provided with the headlamp which illuminates the front of.

  The conventional combine harvester is configured to harvest uncut mushroom cereals in the field by a reaping device arranged to be able to move up and down on the front side of the traveling machine body, and to thresh the harvested cereals by a threshing device and collect the grains. (See Patent Document 1).

  In such a combine, a headlamp is arranged on the front side of a traveling machine body or a harvesting device, and the harvesting operation is performed by illuminating the front of the traveling machine body with the headlight in a night harvesting operation or the like. In Patent Document 1, the left and right sides of the reaping device are covered by upper and lower side covers that are divided into upper and lower portions, a recess is formed in the middle of the upper and lower widths of the upper side cover, and the headlamp device is disposed in the recess.

JP 2006-55093 A

  In Patent Document 1, since the headlight device is disposed on the upper side cover in the recess formed in the middle of the upper and lower widths of the upper side cover, in order to install the upper and lower side covers and the headlight device, The number of components could not be reduced easily. There is a problem that the side cover cannot be easily formed by a single article, and the headlamp device cannot be arranged at low cost.

  The objective of this invention is providing the combine which can form a side cover in a simple shape, and can arrange | position a headlamp easily in the high position of a cutting device.

  In order to achieve the above object, a combine of an invention according to claim 1 includes a traveling machine body equipped with an engine, a reaping device having a culm pulling device, a cutting blade device, and a culm conveying device, and the reaping device. In a combine that includes a side cover that covers the side and a light housing in which the headlight is installed, the front cover is inclined so that the front side is lowered to form the upper edge of the side cover, and the upper end side of the side cover The lower end side of the light housing is arranged oppositely.

  According to a second aspect of the present invention, in the combine according to the first aspect, the headlamp and the direction indicator lamp are disposed inside the light housing, and the headlamp is disposed above and below the light housing. And the direction indicator lamp.

  According to a third aspect of the present invention, in the combine according to the first aspect, the gate cover that forms the outer shape of the light housing continuously along the outer shape of the side cover and covers the upper side of the grain raising device. The upper surface side of the light housing is formed at substantially the same height as above, and the light housing is disposed above the side cover.

  According to the first aspect of the present invention, a traveling machine body equipped with an engine, a reaping device having a culm pulling device, a cutting blade device, and a culm transporting device, and a side cover that covers the side of the reaping device. And a light housing in which the headlight is installed, the front cover is inclined so that the front side is lowered to form an upper end edge of the side cover, and a lower end side of the light housing is formed on the upper end side of the side cover. Therefore, the side cover can be formed in a small size so as to cover the side of the reaping device with the light housing. Compared with the cover structure covering the entire lateral area of the cutting device, the detachability of the side cover can be improved, and the manufacturing cost of the side cover can be reduced. Further, by installing the light housing above the side cover, the installation width in the left-right direction of the light housing or the headlamp can be made compact.

  According to the second aspect of the present invention, the headlamp and the direction indicator lamp are arranged inside the light housing, and the headlamp and the direction indicator lamp are arranged above and below the inside of the light housing. Since it is assembled | attached, the said direction indicator light can be supported compactly in the left-right width of the said mowing apparatus. In addition, compared with a structure in which the direction indicator lamp is installed independently of the headlamp, the direction indicator lamp housing structure or lamp support frame structure can be formed at a low cost by sharing the headlamp. .

  According to the invention described in claim 3, the outer shape of the light housing is formed continuously along the outer shape of the side cover, and substantially the same height as the gate cover that covers the upper side of the grain raising device, Since the upper surface side of the light housing is formed and the light housing is disposed above the side cover, the light housing can be assembled in an extension structure flush with the side cover or the gate cover. it can. The front shape of the reaping device can be simply formed. For example, since the light housing is not protruded greatly toward the front, side, or upper side of the reaping device, it is possible to reduce damage of the light housing in contact with an obstacle or the like.

It is a left view of the combine for 4 thread cutting of this invention. It is a right view of a combine. It is a top view of a combine. It is a front view of a combine. It is a drive system figure of a reaping device. It is a left view of a reaping device. It is a front view of a reaping device. It is a top view of a reaping device. It is opening / closing explanatory drawing of a side cover. It is a left view of the cutting device which removed the side cover. It is a left view of the cutting device which removed the side cover and the light housing. It is a top view of the cutting device which removed the side cover and the light housing. It is a front view of the cutting device which removed the side cover and the light housing. It is a principal part expansion left view of the cutting device which removed the side cover and the light housing. It is a principal part enlarged plan view of the reaping device which removed the side cover and the light housing.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments embodying a combine according to the present invention will be described with reference to the drawings. In the following description, the left side in the forward direction of the traveling machine body 1 is simply referred to as the left side, and the right side in the forward direction is also simply referred to as the right side.

  The combine of this embodiment is demonstrated with reference to FIG. 1 thru | or FIG. As shown in FIGS. 1 to 4, a traveling machine body 1 supported by a pair of left and right traveling crawlers 2 (traveling portions) is provided. At the front part of the traveling machine body 1, a four-row mowing device 3 for mowing cereals is mounted by a single-acting hoisting hydraulic cylinder 4 so as to be adjustable up and down around the mowing pivot fulcrum shaft 4a. . A threshing device 5 having a feed chain 6 and a grain tank 7 for storing grain after threshing are mounted on the traveling machine body 1 side by side. In addition, the threshing apparatus 5 is arrange | positioned at the left side toward the advancing direction of the traveling body 1, and the Glen tank 7 is arrange | positioned at the right side toward the advancing direction of the traveling body 1 (refer FIG. 3).

  A discharge auger 8 for discharging the grains in the grain tank 7 from the rear to the top of the grain tank 7 is provided. Centering on the vertical auger 8a of the discharge auger 8, the front part of the glen tank 8 can be rotated to the side of the machine body. A driving unit 10 is provided in front of the Glen tank 7 and on the right front of the traveling machine body 1. The driving unit 10 includes an operation device including a step 10a on which an operator gets on, a driver's seat 10b, a steering handle 10c, various operation levers, switches, and the like. An engine 20 as a power source is disposed in the traveling machine body 1 below the driver seat 10b.

  As shown in FIGS. 1 and 2, left and right track frames 21 are arranged on the lower surface side of the traveling machine body 1. The track frame 21 includes a drive sprocket 22 that transmits the power of the engine 20 to the traveling crawler 2, a tension roller 23 that maintains the tension of the traveling crawler 2, and a plurality of track rollers that hold the ground side of the traveling crawler 2 in a grounded state. 24. The driving sprocket 22 supports the front side of the traveling crawler 2, the tension roller 23 supports the rear side of the traveling crawler 2, and the track roller 24 supports the grounding side of the traveling crawler 2.

  As shown in FIG. 1 to FIG. 3, the reaping device 3 includes a four-row culm pulling device 31 that causes uncut cereals in the field and a clipper-type cutting device that cuts the stock of uncut cereals in the field. A cutting blade device 32 and a culm transporting device 33 for transporting the chopped culm from the culm pulling device 31 to the front end (feed start end side) of the feed chain 6 are provided. An uncut grain culm in the field is pulled up by the grain culling pulling device 31, a stock source of the uncut grain culm is cut by the cutting blade device 32, and the harvested corn straw is conveyed to the front end portion of the feed chain 6 by the grain culling pulling device 31. Is done.

  The threshing device 5 includes a handling cylinder 51 for threshing threshing, an oscillating sorting board 52 as an oscillating sorting mechanism for sorting threshing material falling below the handling cylinder 51, and a sorting wind on the oscillating sorting board 52. , A processing fan 54 for reprocessing threshing waste taken out from the rear part of the handling cylinder 51, and a dust exhausting fan 61 for discharging dust at the rear part of the swing sorter 52 to the outside of the machine. It has.

  As shown in FIGS. 1 and 2, an exhaust chain 62 is disposed on the rear end side (feed end side) of the feed chain 6. The waste passed through the feed chain 6 from the rear end side of the feed chain 6 (the grain from which the grain has been threshed) is discharged to the rear of the traveling machine body 1 in a long state, or the rear side of the threshing device 5 After being cut to a suitable length by the waste cutter 63 provided at the front, the paper is discharged to the lower rear of the traveling machine body 1.

  Below the rocking sorter 52 are a first conveyor 55 for picking up the grains (the first sort) selected by the rocking sorter 52, and grains, swarf, and grains with branches. A second conveyor 56 is provided to take out the mixed second selection. In addition, from the front side of the traveling direction of the traveling machine body 1, the first conveyor 55 and the second conveyor 56 are arranged on the upper surface side of the traveling machine body 1 above the rear part of the traveling crawler 2 in a side view.

  The swing sorting board 52 is configured to swing-sort (specific gravity sort) the cereal grains that have fallen below the handling cylinder 51. Grains that fall from the oscillating sorter 52 (the first sort) are removed from the grain by the sorter wind from the tang fan 53 and fall first onto the conveyor 55. A first cereal cylinder 57 extending in the vertical direction is connected to a terminal portion of the first conveyor 55 that protrudes outward from one side wall (right side wall in the embodiment) of the threshing device 5 near the grain tank 7. Yes. The grain taken out from the first conveyor 55 is carried into the Glen tank 7 by a first cereal conveyor (not shown) provided in the first cereal cylinder 57 and collected in the Glen tank 7.

  Oscillating sorter 52 performs second sorting such as grain with branches and branches (reduction-reprocessed product for re-sorting mixed grain and swarf) by swing sorting (specific gravity sorting). 56 is configured to be dropped. The second sorting product taken out by the second conveyor 56 is returned to the upper surface side of the swing sorting board 52 through the second reduction cylinder 58 and the second processing unit 59 and is re-sorted. Further, the dust and dust in the crushed material from the handling drum 51 are discharged from the rear portion of the traveling machine body 1 toward the field by the sorting air from the tang fan 53 and the dust suction and discharge action of the dust fan 61. .

  Next, the structure of the reaping device 3 will be described with reference to FIGS. As shown in FIGS. 6 to 8, the cutting frame 30 of the cutting device 3 includes a cutting input frame 35, which is a cutting rotation fulcrum shaft 4 a, a vertical transmission frame 36, and a horizontal transmission frame 37. A cutting input frame 35 is rotatably supported by a cutting support 34 (see FIG. 1) erected on the front portion of the traveling machine body 1. The cutting input frame 35 is extended in the left-right direction of the traveling machine body 1. A longitudinal transmission frame 36 is extended forward from the cutting input frame 35. A horizontal transmission frame 37 is connected to the front end side of the vertical transmission frame 36. A lateral transmission frame 37 is extended in the left-right direction of the traveling machine body 1.

  As shown in FIGS. 5 and 8, the cutting input frame 35 incorporates a cutting input shaft 35 a to which power from the engine 20 is transmitted. The cutting input shaft 35a rotates around a horizontal axis (cutting rotation fulcrum shaft 4a). A cutting lift hydraulic cylinder 4 is disposed between the vertical transmission frame 36 and the traveling machine body 1. By operating the hydraulic cylinder 4 by a control device (not shown) such as a lifting operation lever, the cutting device 3 (vertical transmission frame 36) is rotated about the cutting rotation fulcrum shaft 4a. As a result, the cutting device 3 (the cutting blade device 32) can be raised and lowered to an arbitrary height.

  As shown in FIGS. 7 to 9, 13, and 15, four weeding frames 38 (for the number of cutting lines) are extended from the lateral transmission frame 37 toward the front. A weeding body 38 a is provided on the front end side of each weeding frame 38. On the left end side of the horizontal transmission frame 37, one pulling input vertical case 39 is erected so as to extend obliquely upward in the forward direction. On the further left end side of the lateral transmission frame 37, a cutting blade drive shaft 49c of the cutting blade drive unit 49 is disposed. That is, the cutting blade drive unit 49 attached to the left end portion of the lateral transmission frame 37 is disposed closer to the outer side of the machine body than the pulling input vertical case 39.

  As shown in FIGS. 7, 9, and 13, the upper end side of the pulling input vertical case 39 is connected to the left end portion of the pulling input horizontal case 40 extending in the left-right direction. In addition, a round pipe-shaped pulling vertical frame 50 is erected on the rightmost weed frame 38. The upper end side of the pulling vertical frame 50 is connected to the right end portion of the pulling input horizontal case 40. The pulling input horizontal case 40 is horizontally extended by the pulling input vertical case 39 and the pulling vertical frame 50 above the upper end of the pulling case 42 in the horizontal direction of the reaping device 3.

  As shown in FIGS. 7, 9, and 13, a speed change case 39 b is provided at a high position on the upper end side of the pulling input vertical case 39 close to the pulling input horizontal case 40. In the pulling input side case 40, the number of pulling drive cases 41 corresponding to the number of cutting lines (four in this embodiment) is the longitudinal direction of the pulling input side case 40 (width direction of the traveling machine body 2). Are lined downward at appropriate intervals. That is, as a pulling input case for driving force input to the pulling case 42 described later, a pulling input vertical case 39 as the cutting frame 30, a pulling input horizontal case 40 as the cutting frame 30, and four pulling driving cases. 41 are arranged.

  As shown in FIG. 5, the grain raising device 31 is provided with four raising cases 42 as a raising mechanism. Each pulling case 42 is provided with a plurality of pulling tines 42a for raising the uncut grain straws that have been weeded by the weeding body 38a. The plurality of pulling tines 42a for one line are arranged at substantially equal intervals in one endless pulling tine chain 42b. The pulling case 42 is disposed behind the weed body 38a. The pulling case 42 is provided in a vertically inclined posture that is long in the vertical direction. The upper end side of the pulling case 42 is connected to the lower end side of the pulling drive case 41. The lower end side of the raising case 42 is connected to the raising support frame 38 b erected on the weeding frame 38.

  The auxiliary pulling tine 71a is detachably installed on the front surfaces of the left and right and central pulling cases 42 so that the uncut cereal grains lying in the field are erected by the auxiliary pulling tine 71a. The auxiliary pulling tine 71 a is provided in the auxiliary pulling case 71. The auxiliary pulling case 71 is attached to the front side of the pulling case 42 as necessary. A driving force is transmitted from the pulling drive case 41 to the auxiliary pulling tine 71a. FIG. 5 shows a state in which the auxiliary pulling case 71 is connected only to the pulling case 42 located on the leftmost side.

  As shown in FIG. 5, the grain feeder 33 is disposed behind the pulling case 42. The grain straw transporting device 33 includes four pieces of star foils 43R and 43L and a take-up belts 44R and 44L that rake the stock side of the uncut grain straw introduced from the pulling case 42 for four pieces, and two pieces on the right side. Right stock transport chain 45R that transports the harvester side of the harvested cereals of the minute and the left strain that joins the stock side of the harvested grain halves of the left two strips to the transport end side of the right stocker transport chain 45R A former transfer chain 45L. Moreover, the grain straw transporting device 33 transports the feed chain 6 from the vertical transportation chain 46 that inherits the stock side of the harvested grain straw for four strips from the right stock transportation chain 45R, and the transportation terminal end of the vertical transportation chain 46. The auxiliary stock former conveyance chain 74 which conveys the stock origin side of the harvested cereals for four strips is provided at the start end.

  Furthermore, as shown in FIG. 5, the grain culm transport device 33 is transported by the right stalk transport tine 47R that transports the stalk tip side of the harvested cereal transported by the right stock transport chain 45R and the left stock transport chain 45L. A left-hand tip transport tine 47L that transports the tip side of the harvested cereal rice bran, and a rear-tip transport tine 75 that transports the tip side of the four chopped grain stalks transported by the vertical transport chain 46. The tip side of the four sown cereal grains harvested by the reaping device 3 is transported from the feed end side of the rear stalk tip transport tine 75 into the handling chamber of the threshing device 5 incorporating the handling barrel 51.

  As shown in FIGS. 5 and 7, the cutting blade device 32 includes two sets of left and right hair clipper-type cutting blades 48R and 48L. Below the weeding frame 38, two sets of left and right hair clipper-type cutting blades 48 </ b> R and 48 </ b> L are provided along the lateral transmission frame 37 in the horizontal width direction of the cutting device 3. The two sets of left and right cutting blades 48R and 48L cut the stock of uncut cereals that have been raked by the four pieces of star foils 43R and 43L and the rake belts 44R and 44L.

  As shown in FIGS. 5, 7, and 8, left and right cutting blade drive units 49 that drive the left and right cutting blades 48 </ b> R and 48 </ b> L independently are provided. The left and right cutting blade drive units 49 are respectively arranged on the upper surface side of the left and right side end portions of the lateral transmission frame 37. Each cutting blade drive unit 49 is disposed on the upper end side of a cutting blade drive shaft 49 c that is connected to the horizontal transmission shaft 37 a of the horizontal transmission frame 37 and a cutting blade drive shaft 49 c that is protruded from the upper surface side of the horizontal transmission frame 37. A crank rod 49a and a crank arm body 49b for connecting cutting blades 48R and 48L to the crank rod 49a are provided. A lateral transmission shaft 37a is connected to the left and right cutting blades 48R and 48L via a crank rod 49a and a crank arm body 49b.

  The left and right cutting blades 48 reciprocate left and right as the crank rod 49a swings. By the left and right cutting blade drive units 49, the left cutting blade 48L and the right cutting blade 48R are reciprocally moved in synchronization with opposite directions. As a result, the vibration (inertial force) of the left and right cutting blades 48 generated by the reciprocating movement of the left and right cutting blades 48 can be offset. The vibration generated by the reciprocating movement of the cutting blade 48 can be reduced.

  As shown in FIGS. 7 and 8, the cutting blade drive unit 49 and the pulling input vertical case 39 are arranged at positions away from the culm transport path of the culm transport device 33. That is, the cutting blade drive shaft 49c and the crank rod 49a are disposed at the left and right ends of the lateral transmission frame 37, respectively. A pulling input vertical case 39 is erected at the left end portion of the lateral transmission frame 37 closer to the body than the left cutting blade drive shaft 49c and the crank rod 49a. That is, the pulling input vertical case 39 is installed on the inner side of the machine body than the cutting blade drive unit 49.

  Next, the drive structure of the reaping device 3 will be described with reference to FIG. As shown in FIG. 5, a cutting input shaft 35 a is inserted into a round pipe-shaped cutting input frame 35. A vertical transmission shaft 36 a is inserted into a round pipe-shaped vertical transmission frame 36. A horizontal transmission shaft 37 a is inserted into a round pipe-shaped horizontal transmission frame 37. One end of the longitudinal transmission shaft 36a is connected to the cutting input shaft 35a. The other end side of the vertical transmission shaft 36a is connected to the horizontal transmission shaft 37a. The driving force from the engine 20 is transmitted to the cutting input shaft 35a. The rotational driving force of the cutting input shaft 35a is transmitted to the horizontal transmission shaft 37a via the vertical transmission shaft 36a.

  As shown in FIG. 5, the pulling input vertical axis 39 a is arranged in the pulling input vertical case 39. One end of the pulling input vertical axis 39a is connected to the horizontal transmission shaft 37a. A speed change case 39 b is provided in the middle of the pulling input vertical case 39. A transmission gear 39c is provided in the middle of the pulling input vertical axis 39a. Further, the pulling input horizontal axis 40 a is arranged in the pulling input horizontal case 40. The pulling input horizontal axis 40a is connected to the other end side of the pulling input vertical axis 39a. The pulling tine drive shaft 41a is disposed in each of the four pulling drive cases 41. The pulling tine drive shaft 41a is connected to the pulling input horizontal shaft 40a.

  Accordingly, the rotational force of the horizontal transmission shaft 37a is transmitted to the pulling tine chain 42b via the pulling input vertical axis 39a, the transmission gear 39c, the pulling input horizontal shaft 40a, and the pulling tine drive shaft 41a. By driving a plurality of pulling tines 42a, an uncut grain culm in the field is set up. In the case where the auxiliary pulling case 71 is provided, the auxiliary pulling case 71 is coupled to the pulling case 42 so that the auxiliary pulling tine 71a is driven by the pulling tine drive shaft 41a.

  As shown in FIG. 5, a right stock drive chain 45R, a right tip transport tine 47R, a right transport drive shaft 72 for driving the right side two-segment star wheel 43R and the scraping belt 44R are provided. The right conveyance drive shaft 72 is connected to the vertical transmission shaft 36a. A vertical conveyance transmission shaft 46 a for driving the vertical conveyance chain 46 is provided. The vertical conveyance transmission shaft 46 a is connected to the vertical transmission shaft 36 a via the right conveyance drive shaft 72. The left stock transfer chain 45L, the left tip transfer tine 47L, the left two-stage star wheel 43L and the drive belt 44L are driven by the rotational driving force branched from the pulling input vertical axis 39a. Further, the rear conveyance drive shaft 76 is connected to the vertical transmission shaft 36a. The auxiliary stock former transport chain 74 and the rear tip transport tine 75 are driven by the rear transport drive shaft 76.

Next, referring to FIG. 6 to FIG. 15, the structure of the headlamp 81 that illuminates the front of the cutting device 3 (running vehicle body 1) and the left and right side covers 82R and 82L that cover the left and right sides of the cutting device 3 will be described. explain. As shown in FIGS. 6 to 8, the left and right sides of the reaping device 3 are provided with left and right side covers 82R and 82L formed of a synthetic resin molded product and left and right light housings 83R and 83L formed of a synthetic resin molded product. Covered by. Left and right light housings 83R and 83L are arranged above the left and right side covers 82R and 82L, respectively. That is, the star wheels 43R, 43L, the take-up belts 44R, 44L, and the stock transport chain 45R, 4
The outer side of 5L, the lower part of the raising case 42, and the like are covered with side covers 82R and 82L. Further, the pulling input lateral case 40 and the upper portion of the pulling case 42 are covered with the light housings 83R and 83L.

  As shown in FIGS. 6 and 10, both end sides of the cover lower support frame 94 are connected to the weeding frame 38 and the pulling support frame 38b. A hook mechanism 95 and a release lever 95a are fixed to the inner surfaces of the left and right side covers 82R and 82L, respectively. The lower end sides of the left and right side covers 82R and 82L are detachably locked to the intermediate portions of the left and right cover lower support frames 94 via hook mechanisms 95, respectively. By operating the release lever 95a, the engagement between the hook mechanism 95 and the cover lower support frame 94 is released, and the lower ends of the side covers 82R and 82L are separated from the cover lower support frame 94.

  As shown in FIGS. 9, 14 and 15, an open / close support 96 is disposed on the upper end side of the left and right side covers 82R, 82L. Further, a cover support frame 87 is connected to the left end portion of the pulling input side case 40 via a lamp support frame 86 described later. An open / close fulcrum shaft body 97 is disposed on the cover support frame 87. An open / close fulcrum shaft 97 having a horizontal axis is extended in the front-rear direction along the upper edges of the side covers 82R and 82L. The side covers 82R and 82L are rotatably connected to the opening / closing fulcrum shaft body 97 via the opening / closing support 96. The upper edges of the side covers 82R and 82L are formed so as to be inclined forward so that the front side is lowered. A horizontal shaft-like opening / closing fulcrum shaft body 97 is supported in a forward inclined posture. That is, the upper ends of the side covers 82R and 82L are formed by tilting forward so that the front side is lowered, and the lower ends of the light housings 83R and 83L are provided opposite to the upper ends of the side covers 82R and 82L. The side covers 82R and 82L can be formed in a small size so as to cover the side of the reaping device 3 with the light housings 83R and 83L. Compared with the cover structure that covers the entire side of the reaping device 3, the detachability of the side covers 82R and 82L can be improved, and the manufacturing cost of the side covers 82R and 82L can be reduced. Further, by installing the light housings 83R, 83L above the side covers 82R, 82L, the installation width in the left-right direction of the light housings 83R, 83L or the headlamp 81 can be made compact.

  Further, as shown in FIG. 9, the main body side of the left and right gas springs 101 is rotated through the universal joint shaft 100 between the vertical direction middle of the pulling input vertical case 39 and the vertical middle of the pulling vertical frame 50. Connect to each other movably. The piston sides of the left and right gas springs 101 are rotatably connected to the inner surfaces of the side covers 82R and 82L via the locking shafts 102, respectively. By operating the release lever 95a to disengage the hook mechanism 95 from the lower cover support frame 94, the side covers 82R and 82L are rotated around the opening / closing fulcrum shaft body 97 by the elastic pressure of the gas spring 101. As a result, the lower ends of the side covers 82R and 82L are lifted to a high position on the outer side of the reaping device 3. The lower part of the pulling case 42 installed under the front part of the reaping device 3 and the front part of the cereal conveying device 33 are opened toward the side of the machine body. Maintenance work and the like on the front of the reaping device 3 are performed.

  6 to 8, when the lower side of the side portion of the reaping device 3 is closed by the side covers 82R and 82L, the upper end edges of the side covers 82R and 82L are positioned lower than the pulling input lateral case 40. To position. As shown in FIG. 10, light housings 83R and 83L are arranged above the side covers 82R and 82L. That is, the light housings 83 </ b> R and 83 </ b> L cover the upper side of the side portion of the reaping device 3. Specifically, the left and right outer surfaces of the pulling input side case 40, the openings on the upper ends of the side covers 82R and 82L, and the like are covered with the light housings 83R and 83L.

  As shown in FIGS. 6 to 8, the light housings 83R and 83L are continuously formed along the external shape of the side cover 82 so as not to protrude from the front and side surfaces of the side covers 82R and 82L. Yes. Further, the light housings 83 </ b> R and 83 </ b> L are formed so as not to protrude higher than the upper end of the reaping device 3. That is, the front side and the upper side of the light housings 83R and 83L are formed so as to be substantially flush with the gate cover 105 that covers the front side and the upper side of the pulling input lateral case 40. As shown in FIG. 14, the rear end side of the gate cover 105 is rotatably connected to the pulling input lateral case 40 via an opening / closing shaft 106. The gate cover 105 rotates about the opening / closing shaft 106, and the front end side of the gate cover 105 is configured to open and close up and down. That is, the light housings 83R and 83L are continuously formed along the outer shape of the side cover 82, and are substantially the same height as the gate cover 105 covering the upper side of the grain raising device 31. Since the light housings 83R and 83L are disposed above the side covers 82R and 82L, the light housings 83R and 83L are assembled in an extended structure flush with the side cover 82 or the gate cover 105. be able to. The front shape of the reaping device 3 can be formed simply. For example, since the light housings 83R and 83L do not protrude greatly toward the front, side, or upper side of the reaping device 3, it is possible to reduce the damage of the light housings 83R and 83L in contact with an obstacle or the like.

  As shown in FIGS. 7, 10, 13 to 15, a headlamp 81 and a direction indicator lamp 84 as an auxiliary lamp are arranged inside the light housings 83 </ b> R and 83 </ b> L. The light housings 83R and 83L are entirely formed of a translucent material (polycarbonate resin or the like). The left and right light housings 83R and 83L are formed symmetrically, and the headlamp 81 and the direction indicator 84 inside thereof are also arranged symmetrically. A headlamp 81 is attached so as to illuminate the farm field (traveling road surface) in front of the machine body. A direction indicator lamp 84 is attached so as to be visible from the front and the side. A headlamp 81 is disposed in the upper part of the light housings 83R and 83L. A direction indicator lamp 84 is disposed below the headlamp 81.

  Next, with reference to FIG. 15, the inner structure of the light housings 83R and 83L will be described by exemplifying the left light housing 83L. As shown in FIG. 15, the headlamp 81 is supported by a headlamp reflector 110 (a reflector for the headlamp 81) and a head valve support 111 located at the bottom (back bottom) of the reflector 110. Further, the head lamp 112 (headlight bulb) and a head lens 113 attached to the front portion of the headlight reflector 110 are configured. The headlamp 113 is formed in a substantially round shape when viewed from the front, and the headlamp 81 is arranged so that the headlamp 113 is substantially perpendicular to the ground surface. The upper and front corners of the light housings 83R and 83L facing the upper end of the headlamp 81 are formed in a rounded convex shape so as to cover the headlamp 81.

  As shown in FIG. 15, the direction indicator lamp 84 is supported by a direction indicator reflector 114 (a reflecting mirror for the direction indicator lamp 84) and a direction indicator valve support portion 115 located at the bottom (back bottom) of the direction indicator reflector 114. The direction indication valve 116 and the direction indication lens 117 attached to the front portion of the direction indication reflector 114 are configured. The head bulb support 111 and the direction indicating bulb support 115 are disposed on the lamp support frame 86. A headlamp 81 and a direction indicator lamp 84 are assembled to the upper and lower sides of the light housings 83R and 83L. That is, the headlamp 81 and the direction indicator lamp 84 are arranged inside the light housings 83R and 83L, and the headlamp 81 and the direction indicator lamp 84 are assembled on the upper and lower sides of the inside of the light housings 83R and 83L. Therefore, the direction indicator lamp 84 can be supported in a compact manner within the lateral width of the reaping device 3. Further, compared to the structure in which the direction indicator lamp 84 is installed independently of the headlamp 81, the light housing 83R, 83L structure of the direction indicator lamp 84 or the lamp support frame 86 structure is shared by the headlamp 81. It can be formed at low cost.

  As described above, the headlamp lens 113 is attached to the headlamp reflector 110 and the direction indicator lens 117 is attached to the direction indicator reflector 114, but the light housing 83R corresponding to the irradiation direction of the headlamp 81, The upper front side of 83L can be processed so as to function as the head lens 113. The lower side of the light housings 83R and 83L corresponding to the irradiation direction of the direction indicator lamp 84 can be processed so as to function as the direction indicator lens 117. That is, the light housings 83R and 83L that cover the headlamp 81 and the direction indicator lamp 84 can also be used as the head lens 113 and the direction indicator lens 117.

  Next, with reference to FIG. 6 thru | or FIG. 10, FIG. 12, the structure of the upper surface side cover 120 which covers the upper side of the grain feeder 33 is demonstrated. As shown in FIGS. 6, 7, and 12, a round pipe-shaped cutting upper frame 121 extending in the front-rear direction of the cutting device 3 is provided on the upper side of the grain feeder 33. The rear end side of the upper cutting frame 121 is connected to the cutting input frame 35. The front end side of the upper cutting frame 121 is connected to the pulling input lateral case 40 via the fastening bracket 122. A cutting upper frame 121 is installed in the front-rear direction on the upper side of the grain feeder 33. An upper surface side cover 120 formed of a synthetic resin molded product is detachably connected to the cutting upper frame 121. That is, the upper surface side cover 120 is used as a dustproof cover on the upper surface side of the reaping device 3. The upper side cover 120 covers the upper side of the cereal conveyance device 33 and is configured to prevent dust from being scattered in the direction of the operation unit 10 from the cereal conveyance device 33.

  As shown in FIGS. 6 to 10, the upper surface side cover 120 </ b> L, the rear surface edge of the upper surface side and the rear surface edge of the rear surface side of the light housing 83 </ b> L, the rear surface edge of the gate cover 105, and the upper surface side cover 120. The front end edge and the lower end edge of the front part are joined to each other so as to be able to contact and separate. That is, the upper side of the side cover 82L, the rear side of the light housing 83L, and the rear side of the gate cover 105 are configured to be shielded by the front portion of the upper surface side cover 120.

  As shown in FIGS. 1 to 4, an auger stand 125 is erected on the upper surface side of the threshing device 5. The discharge auger 8 is supported at the storage position on the upper surface side of the traveling machine body 1 via the auger stand 125. The discharge auger 8 is supported in a substantially horizontal posture by the auger stand 125. As shown in FIG. 3, the discharge auger 8 at the storage position is extended from the right rear corner of the traveling machine body 1 toward the left front corner. A work lamp 126 is disposed on the lower side of the middle of the discharge auger 8. A work lamp 126 is supported on the discharge auger 8 substantially directly above the gate cover 105. The rightmost weed body 38a is irradiated with light from the work lamp 126. The operator can confirm the tip position of the rightmost weed body 38a with respect to the stock of the rightmost uncut grain culm adjacent to the already cut surface of the field during night work.

  As shown in FIGS. 6, 10, 14, etc., the traveling machine body 1 equipped with the engine 20, the reaping device 3 having the culm pulling device 31, the cutting blade device 32, the culm transporting device 33, and the like, and the reaping device 3, a side cover 82R, 82L that covers the side of 3, an upper surface side cover 120 that covers the top of the cutting device, and a light housing 83R, 83L in which the headlamp 81 is installed. The lower end side of the light housing 83R, 83L is connected to the upper end side, the lower side portion of the reaping device 3 is covered with the side covers 82R, 82L, and the upper side portion of the reaping device 3 is covered with the light housings 83R, 83L. ing. Therefore, the side covers 82R and 82L can be formed in a simple shape with little relation to the light housings 83R and 83L. By installing the light housings 83R, 83L at a higher position than the side covers 82R, 82L, the headlamp 81 can be easily arranged at a higher position of the cutting device 3. The front of the reaping device 3 can be effectively illuminated.

  As shown in FIG. 13, FIG. 15, etc., a plurality of pulling case 42 for forming the grain raising device 31, and a pulling input side case as a branching case for pulling input that supports the upper end side of the pulling case 42 40, and light housings 83R and 83L are arranged on the outer side of the pulling input lateral case 40 extended in the left-right direction. Therefore, it is possible to easily assemble the light housings 83R, 83L and the headlamp 81 using the pulling input side case 40.

  As shown in FIGS. 6 to 8, etc., the front end sides of the upper surface side covers 82R and 82L are connected to the rear end sides of the light housings 83R and 83L and the upper end sides of the side covers 82R and 82L. Therefore, the rear end side of the light housing 83R, 83L or the upper end side of the side covers 82R, 82L is shielded by the front end side of the upper surface side cover 82R, 82L, and the rear portion of the light housing 83R, 83L can be easily protected by the upper surface side cover 120. Although it is a thing, the external shape of the cutting device 3 can be formed simply.

  As shown in FIGS. 13, 15, etc., a pulling input vertical case 39 is provided as a pulling input support case standing on the cutting frame 30 of the cutting device 3, and the pulling input horizontal case 40 has an upper end of the pulling input vertical case 39. In this structure, the power is transmitted to the headlamp 81 in the light housing 83R, 83L and the cutting blade device 32 in plan view between the pulling input vertical case 39 and the side covers 82R, 82L. A cutting blade drive shaft 49c is arranged. Therefore, even though the driving mechanism of the cutting blade device 32 such as the cutting blade drive shaft 49c can be arranged away from the grain transporting path, the machine body structure in which the horizontal width dimension of the cutting device 3 is limited, Since the pulling input vertical case 39 can be disposed inward of the mowing device 3, the installation space in the left-right direction of the headlamp 81 can be easily secured between the pulling input vertical case 39 and the side covers 82R and 82L.

  As shown in FIG. 9 and the like, the cutting frame 30 of the cutting device 3 is provided with an opening / closing fulcrum shaft body 97 as a cover rotation fulcrum shaft, the opening / closing fulcrum shaft body 97 is extended in the front-rear direction, and the cutting frame 30 has an opening / closing fulcrum shaft body. The upper ends of the side covers 82R and 82L are connected via 97. Therefore, by rotating the side covers 82R and 82L around the opening / closing fulcrum shaft body 97, the lower ends of the side covers 82R and 82L can be lifted to a high position, and the culm transporting device 33 inside the reaping device 3 can be lifted. The maintenance workability such as can be easily improved.

DESCRIPTION OF SYMBOLS 1 Traveling machine body 3 Harvesting apparatus 20 Engine 31 Flour raising apparatus 32 Cutting blade apparatus 33 Grain conveying apparatus 81 Headlamp 82R, 82L Side cover 83R, 83L Light housing 84 Direction indicator lamp

Claims (3)

A traveling body equipped with an engine, a reaping device having a cereal haul raising device, a mowing blade device, and a culm transporting device, a side cover that covers the side of the reaping device, and a light housing in which a headlamp is installed In a combine comprising
The combine is characterized in that the upper end edge of the side cover is formed by tilting forward so that the front side is lowered, and the lower end side of the light housing is provided opposite to the upper end side of the side cover.   2. The headlamp and the direction indicator lamp are arranged inside the light housing, and the headlamp and the direction indicator lamp are assembled to the upper and lower sides of the light housing. Combine as described in.   Forming the outer shape of the light housing continuously along the outer shape of the side cover, forming the upper surface side of the light housing at substantially the same height as the gate cover covering the upper side of the grain raising device, The combine according to claim 1, wherein the light housing is disposed above the side cover.

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