JP2009136178A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester, equipped with light units that surely illuminate the front of a machine body and the circumference of a divider, and that have high designability. <P>SOLUTION: The combine harvester 1 is equipped with right and left light units 23R and 23L at both ends of the upper part of a pretreatment part 5, and the light units 23R and 23L includes head lights 25 and working lights 26, attached side by side in the right and left directions of the machine body. The head lights 25 and the working lights 26 have lighting angles set so as to illuminate the front of the machine body and the circumference of the divider 6, respectively, and the working lights 26 are projected farther upward than the head lights 25. Consequently, the working lights 26 and the head lights 25 surely illuminate the front of the machine body and the circumference of the divider, even when the lamps are equipped with auxiliary raising apparatuses 50. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a combine that threshs while harvesting grain straws, and more particularly to an arrangement structure of lights arranged in a pre-processing unit of the combine.

  Conventionally, a combine equipped with a pulling device that raises grain cereals in a field in a pretreatment unit has lights (headlights and work lights) arranged side by side on the left and right side covers of the pulling device. It illuminates the area around the divider at the front and lower part of the pulling device.

JP 2006-6319 A JP 2006-81409 A

  When the grain culm in the field is lying down, the worker attaches the auxiliary pulling device to the center and both ends of the pretreatment unit, but the combine described in Patent Documents 1 and 2 is attached to the side cover of the pretreatment unit. Since the lights were arranged, the auxiliary pulling device covered the front of these lights. Therefore, the auxiliary pull-up device becomes a wall and cannot illuminate the front of the fuselage or around the divider, and it is necessary to provide a light (auxiliary light) for illuminating them separately.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a combine that solves the above problems by disposing lights at both ends of a cover that covers the front of a lateral transmission cylinder of a pulling device.

The invention according to claim 1 supports a pretreatment section (5) having a plurality of pulling devices (7) and a divider (6) in front of the traveling machine body so as to be movable up and down, and is disposed on the traveling machine body (2). The motive power from the engine (12) is transferred to the moving device (7) via a transmission shaft built in a horizontal transmission cylinder (30) disposed in the left-right direction of the fuselage above the pretreatment unit (5). In the combine (1) that is transmitted,
Lights (25) for illuminating the front and lights (26) for illuminating the periphery of the divider (6) are juxtaposed in the left-right direction at both ends of the cover (22) covering the front of the horizontal transmission cylinder (30). ,
It is in the combine (1) characterized by this.

According to the second aspect of the present invention, the two lights (25) on the inner side in the left-right direction are headlights with the irradiation angle set so as to irradiate the front, and the two lights (25) on the outer side in the left-right direction ( 26), the irradiation angle is set so as to illuminate the periphery of the divider (6), and becomes a work light.
The combine according to claim 1.

In the invention according to claim 3, the light (26) on the outer side is arranged so as to protrude upward and forward with respect to the light (25) on the inner side in the left-right direction.
It exists in the combine of Claim 1 or 2.

  In addition, although the code | symbol etc. in a parenthesis is for contrast with drawing, it does not have any influence on a claim by this.

  According to the first aspect of the present invention, the lights are arranged at both ends of the cover of the horizontal transmission cylinder provided on the upper front surface of the pulling device, so that even if the auxiliary pulling device is attached, the front of the fuselage and the periphery of the divider Thus, when installing the auxiliary pulling device, it is not necessary to install a new light in addition to the normally provided light. In addition, the appearance design can be improved.

  According to the invention which concerns on Claim 2, the circumference | surroundings of a divider can be efficiently illuminated by having used the work light as the light of the left-right direction outer side nearer to several dividers.

  According to the invention of claim 3, the light disposed on the outside of the fuselage is disposed so as to protrude upward from the light disposed on the inside, thereby disposing the light without obstructing the view of the operator. can do.

  Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1 to FIG. 3, the combine 1 has a traveling machine body 2 supported by the crawler traveling device 3, and a plurality of triggers that cause a divider 6 and a grain straw in front of the traveling machine body 2. A pre-processing unit 5 including a processing device 7 is provided. The cereals harvested by the pre-processing unit 5 are threshed by a threshing unit 9 disposed behind the cereal and processed by the post-processing unit 10. Further, a driving operation unit 11 and an engine 12 are disposed on the side of the preprocessing unit 5, and the threshed grains are temporarily placed behind the driving operation unit 11 and on the side of the threshing unit 9. A Glen tank 13 is provided for storage. The grains stored in the grain tank 13 are configured to be discharged out of the machine body by the discharge auger 15.

  The pre-processing unit 5 includes a divider 6 and four pulling devices 7 for weeding the above-described cereals, a reaping unit 16 disposed behind the divider 6, and cereals harvested by the reaping unit 16. It is comprised from the conveyance part 17 which delivers cereal to the threshing part 9, and the side part is covered with the left and right side covers 19L and 19R.

  Of the side covers 19L and 19R, a left upper side cover 20 is attached to an upper portion of the left side cover 19L on the left side in the aircraft traveling direction, and the left upper side cover 20 extends rearward from the upper portion of the pretreatment unit 5. The dust-proof cover 21 and the transport path of the cereals are covered to prevent scum and the like from scattering.

  Further, an upper cover 22 that covers a lateral transmission cylinder 30 described later in detail is attached to the upper front surface of the preprocessing unit 5, and left and right light units 23L and 23R are disposed at both ends thereof. Yes. The light units 23L and 23R have a headlamp 25 and a work lamp 26 arranged side by side in the left-right direction of the machine body, the headlamp 25 is arranged inside the machine body, and the work lamp 26 is arranged outside the machine body.

  As a result, the work lamps 26 arranged on the outer side of the machine body are located approximately in the middle between the dividers 6, and the distance from the plurality of dividers 6 is shorter than the headlamps 25 arranged on the inner side of the machine body. The periphery of the divider 6 can be illuminated efficiently. The light units 23L and 23R are operated by a light switch 24 (see FIG. 3) disposed in the driving operation unit 11, and are in the off state, the headlamp lighting state, the headlamp and the work lamp lighting state. You can switch to the form.

  Further, as shown in FIG. 4, the vertical transmission cylinder 27 rises from the left end of the preprocessing unit 5 in the airframe traveling direction, and the power from the engine 12 provided in the traveling airframe 2 is raised via the transmission 29. Is branched to the lateral transmission cylinder 30. The pulling transmission 29 is provided at the upper end of the vertical transmission cylinder 27, and a connection case 29 a to which the horizontal transmission cylinder 30 is connected projects upward on the upper surface.

  The horizontal transmission cylinder 30 is disposed over the entire length in the body width direction above the pre-processing unit 5, and four pulling transmission cylinders 31 are branched downward. The generated transmission shaft causes the power to be transmitted to the device 7. A pulling sprocket 32 is provided below the pulling transmission cylinder 31, and a chain 35 with a claw stored in the pulling case 33 is wound around. The raising cover 34 that covers the raising device 7 is provided with a mounting portion 37 of the auxiliary raising device 50 at a position corresponding to the raising sprocket 32.

  Next, the configuration of the light units 23L and 23R will be described. As shown in FIG. 5, the left and right light units 23L and 23R include a light cover 36, a work lamp 26, a headlamp 25, and a light cover locking plate 37. A bolt fixing portion 36a is formed on the outside. A light fixing portion 36b having grooves 36c and 36d for attaching the work lamp 26 and the headlamp 25 and a screw hole 36e for attaching the light cover locking plate 37 are formed on the inner periphery of the light cover 36. .

  The work lamp 26 and the headlamp 25 include a light main body 39 and a U-shaped stay 40, and the light main body 39 is supported on the stay 40 by a fixing bolt 41. The light body 39 is positioned by bringing the frame body 39a into contact with both ends of the stay 40. An inclined surface 40a and a flat surface 40b are formed on the contact surfaces of both ends of the stay 40. Positioning portions 40a and 40b for determining the light irradiation angle are configured.

  As shown in FIG. 6, the inclined surface 40a serves as a headlamp positioning portion, and the headlamp positioning portion 40a and the frame body 39a of the light main body 39 are brought into contact with each other so as to illuminate the front. The irradiation angle is set, and the light main body 39 is configured to be the headlamp position. Further, as shown in FIG. 7, the flat surface 40b is a work lamp positioning part, and the work lamp positioning part 40b and the frame body 39a of the light main body 39 are brought into contact with each other to illuminate the periphery of the divider 6. The illumination angle is set as described above, and the light main body 39 is configured to be at the work lamp position.

  The light body 39 is attached by inserting bolts 42 provided on the back of the stay 40 into the grooves 36c and 36d of the light fixing part 36b and tightening the bolts 42, respectively. In addition, the light cover 36 has a light fixing portion 36b formed so that the outer side of the fuselage bulges to the upper front, and the work lamp 26 is positioned above the headlamp 25.

  Next, the mounting structure of the light units 23L and 23R will be described. As shown in detail in FIG. 8, a central pulling transmission cylinder mounting portion 30a for mounting the pulling transmission cylinder 31a on the inner side of the fuselage is provided at the central part of the horizontal transmission cylinder 30, and these central pulling transmissions are provided. A flange-shaped plate 43 bent in an L shape is fixed to the tube mounting portion 30a with a bolt. Further, a hook-like plate 43 bent in an L-shape is also provided from a connecting plate 45 attached to a bracket 30c (see FIG. 9) provided at the center of the horizontal transmission cylinder 30, and the above-described cross section. The U-shaped upper cover 22 is inserted into and fixed to the flange portions of the flange plate 43 like a rail.

  On the other hand, attachment portions 44 of light units 23L, 23R comprising plate nuts 46L, 46R are provided at both ends of the lateral transmission cylinder 30, and on the right side in the aircraft traveling direction, the lateral transmission cylinder 30 supported by the support column 48 is provided. The plate nut 46R is provided at the right end, and the plate nut 46L is provided on the pulling transmission cylinder mounting portion 30b and the pulling transmission 29 on the outside of the fuselage on the left side in the aircraft traveling direction. The outer sides of the left and right light units 23L and 23R are fixed by inserting bolts 47 into the bolt fixing portions 36a of the light cover 36 and screwing these bolts 47 and the plate nuts 46L and 46R. ing.

  In addition, the inner sides of the left and right light units 23L and 23R are locked to the end portions of the upper cover 22, and as shown in FIGS. The part is plugged in. A light cover locking plate 37 is fixed to the inner periphery of the light cover 36 by screws 37a. The light cover locking plate 37 allows the end of the upper cover 22 to be positioned between the inner peripheral surface of the light cover 36. It is pinched and fixed.

  The mounting portions 44 of the left and right light units 23L, 23R are covered with the right side cover 19R and the upper left side cover 20 in the mounted state, as shown in FIG. 4, and the bolts 47 may be exposed to the outside. Is configured to not. Further, as described above, the left and right light units 23L and 23R are also locked by inserting the end of the upper cover 22 into the light cover 36 on the inner side of the fuselage, so that connection members such as bolts and nuts are connected to the exterior of the fuselage. The mounting structure is not exposed.

  Further, a connection case 29a of the pull-up transmission 29 that protrudes upward is positioned below the work light 26 of the left light unit 23L (see FIG. 9). By projecting upward from the lamp 25, the headlamp 25 and the work lamp 26 are mounted in a state where they are arranged side by side.

  The side covers 19L, 19R, 20 are detachably provided by a lock handle 49. When the bulbs of the light units 23L, 23R are replaced, the side covers 19L, 19R, 20 and the light units 23L, 23R are easily provided. Is configured to be removable.

  Next, the operation of the combine according to the present invention will be described. When the grain culm in the field is lying down, the worker raises the auxiliary pulling device 50 and attaches it to the mounting portion 37 of the device 7 to raise the lying corn straw as shown in FIG. When the sunset approaches during the harvesting operation, the headlamp 25 and the work lamp 26 are turned on by operating the light switch 24 of the operation operation unit 11.

  When the work lamp 26 is turned on, the area around the divider 6 is illuminated by the two work lights 26 arranged on the outer side of the aircraft, and when the headlamp 25 is turned on, the two headlamps arranged on the inner side of the aircraft. 25 irradiates the front of the aircraft. At this time, the headlamp 25 and the work lamp 26 are juxtaposed on the left and right ends of the upper portion of the pre-processing unit 5. Irradiate.

  As a result, the worker continues the harvesting work while checking the working state by looking around the divider 6 illuminated by the work lamp 26 even after sunset. When the harvesting operation is completed, the work lamp 26 is turned off, the headlamp 25 moves while illuminating the front of the machine body, and the combine 1 is stored in the garage. When the combine 1 is stored in the garage, the operator also turns off the headlamp 25 and gets off.

  By configuring the combine 1 as described above, the left and right light units 23L and 23R are respectively disposed at the upper ends of the pre-processing section 5, and the headlamp 25 and the work lamp 26 are arranged in the body width (left and right) direction. As a result, even if the auxiliary pull-up device 50 is attached, the front of the aircraft and the periphery of the divider 6 can be reliably irradiated without providing an additional auxiliary light.

  Further, by setting the irradiation angles of the headlamp 25 and the work lamp 26 by the positioning portions 40a and 40b, it is possible to reliably irradiate the front of the machine body and the periphery of the divider, and the work lamp 26 is disposed outside the machine body. By arranging at a position close to the plurality of dividers 6, the periphery of the dividers can be efficiently irradiated.

  Further, since the work lamp 26 arranged on the outer side of the machine body is configured to project upward from the headlamp 25 arranged on the inner side of the machine body, even if the connecting case 29a of the raising transmission 29 is provided. The headlamp 25 and the work lamp 26 can be arranged side by side, and the operator can check the periphery of the divider 6 from the driving operation unit 11 without being obstructed by the left and right light units 23L and 23R.

In addition, the headlamp 25 and the work lamp 26 are embedded in the light units 23L and 23R and integrated, thereby improving the appearance quality. Furthermore, the inner side of the light unit 23L, 23R is locked to both ends of the upper cover 22,
The mounting portion 44 (plate nuts 46L, 46R) for mounting the bolt fixing portion 36a on the outer side of the machine body is covered with the right side cover 19R and the upper left side cover 20 so that the bolts are not exposed to the outside of the machine body. The appearance quality of can be made higher.

  Further, since the side covers 19L, 19R, and 20 can be attached and detached by the lock handle 49, maintenance such as valve replacement can be easily performed.

The perspective view of the combine which concerns on this invention. The right view of the combine which concerns on this invention. The top view of the combine which concerns on this invention. The front perspective view which shows the pre-processing part of the combine of FIG. The exploded rear view of the right light unit of the combine concerning the present invention. The side view of the headlamp of the combine which concerns on this invention. The side view of the work light of the combine which concerns on this invention. The disassembled perspective view which shows the attachment structure of the light unit of the combine which concerns on this invention. The plane perspective view of the left light unit concerning the present invention. The right view of the left light unit of FIG. The left view of the left light unit of FIG. The front view which shows the pre-processing part of the combine which concerns on this invention of the state which attached the auxiliary raising apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combine 2 Traveling machine body 5 Pre-processing part 6 Divider 7 Pulling-up apparatus 12 Engine 22 Cover (upper cover)
25 Headlight (light on the inner side in the left-right direction)
26 Work light (light on the outside in the left-right direction)
30 Horizontal transmission cylinder

Claims (3)

A pre-processing unit having a plurality of pull-up devices and dividers is supported in front of the traveling machine body so as to be movable up and down, and power from the engine arranged in the traveling machine body is arranged in the left-right direction of the aircraft body above the pre-processing unit. In a combine that transmits power to the pulling device through a transmission shaft built in the horizontal transmission cylinder,
Lights that illuminate the front and lights that illuminate the periphery of the divider are juxtaposed in the left-right direction at both ends of the cover that covers the front of the horizontal transmission cylinder,
Combine that is characterized by that. The two light beams on the inner side in the left-right direction are set to an irradiation angle so as to illuminate the front, and the two light beams on the outer side in the left-right direction illuminate the periphery of the divider. Is set to work light,
The combine according to claim 1. The light on the outside with respect to the light on the inner side in the left-right direction is arranged so as to protrude upward and forward
The combine according to claim 1 or 2.

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