JP2014087294A - Combine-harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the inside of a grain tank of a combine-harvester more visible and more maintainable.SOLUTION: Behind an operator's seat (20) is disposed a grain tank (13). On a top face of the grain tank (13) is formed a first inclined plane (13f) inclining down forward. On an upper part front face of the grain tank (13) is formed a second inclined plane (13g) which is more steeply inclining down forward than the first inclined plane (13f), in continuation from a front of the first inclined plane (13f), and is also formed an inspection window (14) which is continuously extending from the first inclined plane (13f) to the second inclined plane (13g). The inspection window (14) is disposed with an openable/closable inspection window lid (14a) through which the inside of the grain tank (13) can be seen. Part or all of the inspection window lid (14a) is expanded in an outward direction of the grain tank (13).

Description

  The present invention relates to a combine equipped with a Glen tank that temporarily stores threshed grain.

The combine includes a harvesting device that harvests the planted culm, a threshing device that threshs the culm harvested by the harvesting device, and a grain tank that temporarily stores the grain threshed by the threshing device.
For example, in Patent Document 1, the Glen tank is made of synthetic resin, and an inspection window is provided on the cockpit side on the upper surface of the Glen tank so that an operator sitting on the cockpit can check the storage state of the grain. .

JP 2009-261263 A

  In the conventional Glen tank, since the inspection window is small, the internal visibility is low, and in particular, since this inspection window is formed on a steeply inclined surface that descends forward on the control unit side, depending on the traveling direction of the combine, There was a case where sunlight did not enter the Glen tank and the storage state of the grains could not be confirmed sufficiently.

  Then, in this invention, it is providing the combine which can improve the visibility inside a Glen tank and can confirm the storage state of a grain easily.

The problems of the present invention are solved by the following technical means.
According to the first aspect of the present invention, the Glen tank (13) is disposed on the rear side of the cockpit (20), and the first inclined surface (13f) inclined forward and downward is formed on the upper surface of the Glen tank (13). A second inclined surface (13g) is formed on the upper front surface of the Glen tank (13), which is steeply inclined forward and lower than the first inclined surface (13f) from the front portion of the first inclined surface (13f). An inspection window (14) formed continuously and extending from the first inclined surface (13f) to the second inclined surface (13g) is formed, and the inspection tank (14) includes a glen tank (13). It is set as the combine provided with the inspection window cover (14a) which can see through the inside.

The invention according to claim 2 is the combine according to claim 1, wherein the inspection window lid (14a) is configured to be openable and closable.
According to a third aspect of the present invention, there is provided the combine according to the first or second aspect, wherein a part or the whole of the inspection window lid (14a) is bulged toward the outside of the Glen tank (13). .

  Invention of Claim 4 has the rear-end part of the said inspection window (14) rather than the discharge port of the milling cylinder (27) which supplies a grain in a grain tank (13) from a threshing apparatus (10). It is set as the combine of any one of Claims 1-3 arrange | positioned back.

  According to the first aspect of the present invention, the first inclined surface (13f) formed on the upper surface of the Glen tank (13) and the second inclined portion that is continuously inclined from the front portion of the first inclined surface (13f). Since external light enters through the inspection window (14) across the inclined surface (13g), the operator sitting on the cockpit (20) turns back and passes through the inspection window lid (14a) to the inside of the Glen tank (13). Can be checked and the accumulation of grains can be checked. That is, the inspection window (14) serves as both the daylighting and the see-through window, and the area of the inspection window (14) can be enlarged and the configuration is simpler than the configuration in which the daylighting window and the see-through window are provided separately. Manufacturing costs can be reduced.

  According to the second aspect of the present invention, in addition to the effect of the first aspect of the invention, the inspection window cover (14a) can be opened and closed, so that the inner surface of the inspection window cover (14a) becomes dirty with dust. Even if the inside of the Glen tank (13) is clogged, the inspection window lid (14a) can be opened to perform maintenance easily, and the work efficiency can be improved.

  According to the third aspect of the invention, in addition to the effects of the first or second aspect of the invention, a part or the whole of the inspection window cover (14a) is directed to the outside of the Glen tank (13). Since it bulges out, it is difficult for dust to adhere to the inner surface of the inspection window lid (14a), and the visibility in the Glen tank (13) can be prevented from being lowered.

  According to invention of Claim 4, in addition to the effect by the invention of any one of Claims 1 to 3, from the threshing device to the grain tank (13) through the milling cylinder (27). The state of the released grain can be observed well, and the clogging of the grain and the abnormal state of the sorting state of the threshing device can be detected and dealt with early, and the efficiency of the harvesting work can be improved.

It is a right view of the combine of one Example of this invention. It is a left view of a combine. It is a top view of a combine. It is a front view of a combine. It is (a) right side sectional view of a Glen tank, (b) rear view, (c) top view, and (d) front view. It is a top view which shows the state which open | released the grain tank of a combine to the right side.

Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings.
In the present specification, the left side and the right side refer to directions when the combine is directed in the forward direction.

  As shown in FIG. 1 to FIG. 4, a pair of left and right traveling devices (hereinafter referred to as traveling crawlers) 3 that travel on the soil surface are disposed on the lower side of the body frame 2 of the combine. Engine power is transmitted via the drive sprocket 4. On the front end side of the vehicle body 2, a cutting device 9 having a weed ridge 8 is provided. Since the reaping device 9 is supported by the reaping device support frame 7 that moves up and down around the upper fulcrum of the vehicle body 2, the power board lever (steering lever) on the control seat 20 of the cab 19 can be operated by the operator who has boarded the combine. ) 30 is tilted up and down to move up and down together with the reaper support frame 7.

  Above the vehicle body frame 2, the threshing device 10 that transports the cereals conveyed from the reaping device 9 to thresh and select and the threshing and sorting grains by the threshing device 10 are temporarily sent via the milling cylinder 27. A glen tank 13 is placed in the grenade tank 13 and an auger composed of a vertical auger 16 and a horizontal auger 17 is connected to the rear part of the glen tank 13 so that the grains in the glen tank 13 are spiral blades 36 below the glen tank (FIG. 6). ) And discharged from the grain outlet 17c of the horizontal auger 17 to the outside of the combine.

  That is, in the combine, the operator operates the HST main transmission lever 22 and the auxiliary transmission lever 23 in the cockpit 20 to change the power of the engine (not shown) via the main transmission in the traveling transmission case, and the left and right traveling crawlers. Drives at 3 and 3 at an arbitrary speed.

  The right side surface of the cab 19 is provided with a space for getting on and off the operator. A steering lever 30 is provided in front of the right side of the cab 19. The steering lever 30 pivots the combiner left and right when tilted left and right, and lowers and raises the cutting device 9 when tilted forward and backward. it can. That is, the steering direction is changed in the direction in which the left and right traveling crawlers 3 and 3 are given a speed difference by tilting the steering lever 30 in the direction in which the combine is to be turned.

  On the left side of the cab 19, an HST lever (main transmission lever) 22 that can control the traveling crawler 3 forward, stop, and reverse in a stepless manner, and the traveling crawler 3 at a low speed (working speed) and a medium speed (working speed) A sub-transmission lever 23 that switches between three stages of traveling speed) and high speed (traveling speed), a harvesting lever 47 that operates to stop the threshing device 9 and the threshing device 10, and a threshing lever 48 are provided.

FIG. 5 (a) shows a right side view of the Glen tank 13 in the combine having the above configuration, FIG. 5 (b) shows a rear view, FIG. 5 (c) shows a plan view, and FIG. ).
The Glen tank 13 of the present embodiment is provided with a protruding portion (reserving portion) 13a that bulges toward the center of the fuselage on the left side wall portion. The projecting portion 13 a is provided at a rear portion of the whipping cylinder 27 and is configured to bulge from the mashing cylinder 27 toward the center of the machine body. Further, a rear projecting portion 13 b is also provided on the rear wall surface of the Glen tank 13. The protrusion 13a bulges outward (from the side closer to the threshing device 10) from the side wall surface of the glen tank 13 so as to reach a position closer to the threshing device 10 than the inner end of the machined body 27 of the cereal cylinder 27 in front view. Therefore, the capacity of the glen tank 13 is larger than that without the projecting portions 13a and 13b, and the balance in the lateral direction of the machine body does not deteriorate when the grain is full. .

  Further, as shown in the plan view of FIG. 6, the Glen tank 13 is configured to be pivotable (open) to the side, and the projecting portion 13 a to the side of the Glen tank 13 interferes with the milling cylinder 27 when opened. The rearward tilt angle θ is provided so that there is no occurrence. Therefore, even if the protruding portion 13a of the Glen tank 13 is protruded inward from the milling cylinder 27 to a position closer to the threshing device 10, there is no hindrance to the rotation of the Glen tank 13, and the Glen tank capacity is increased. it can.

  A support frame 31 (FIG. 6) of the Glen tank 13 is erected in the vertical direction (vertical direction) with respect to the traveling frame 2, and the lateral direction of the Glen tank 13 is between the support frame 31 and the Glen tank 13. A Glen tank rotation connecting member 33 having a (horizontal) rotation support shaft 32 (FIG. 5) is provided. The Glen tank rotation connecting member 33 is attached to the rear side wall surface of the protruding portion 13b of the Glen tank 13, and the rotation support shaft 32 is outside the axial center of the vertical auger 16 and the rotation of the vertical auger 16. It is attached to the connecting member 33 for turning the Glen tank so as to be located behind the moving center axis 16a (FIG. 6). Therefore, since the Glen tank 13 can be opened to the vicinity of the vertical auger 16 when the Glen tank 13 is opened, the maintainability is improved as compared with the conventional one.

  Further, since the Glen tank 13 is a lightweight blow molded synthetic resin product, there is no problem even if the amount of overhang of the tank 13 when the tank 13 is opened increases. Further, the Glen tank 13 can be detached from the support frame 31 at the portion of the rotation support shaft 32 and removed.

  Further, when the Glen tank 13 is opened, it is divided into a flange portion 13d (FIG. 6) at the base of the Glen tank 13 and a synthetic resin tank portion other than the flange portion 13d, and the tank portion is rotated to the outside of the vehicle body frame 2. When the tank 13 is opened, the tank 13 can enter the entire space A in the front-rear direction formed between the flange 13d and the tank 13e, so that maintainability and ease of cleaning are improved as compared with the conventional configuration.

  Further, since the openable portion except the base portion of the Glen tank 13 is a synthetic resin molded product, the projecting portions 13a and 13b can be easily molded and the weight can be reduced. Further, the ridge portion 13d is provided with a spiral blade 36 for conveying the grains in the Glen tank 13 to the augers 16 and 17, and is made of steel to support the spiral blade 36, its driving mechanism, and the tank portion 13e. is made of.

  As shown in FIG. 5, the grain tank formed by blow molding in the front-rear direction of the ceiling wall surface of the grain tank 13, on the side storage part 13 a side from the intermediate part and on the rear storage part 13 b side of the rear wall surface of the grain tank 13. Thirteen parting lines P were provided.

  By providing the parting line P at the position as described above, even if the Glen tank 13 has an irregular shape, the thickness can be kept as uniform as possible, and the moldability is also excellent. There is no worry about strength.

  Further, the ceiling wall surface of the Glen tank 13 is a front inclined surface (second inclined surface) connected to the central inclined surface 13f as a central inclined surface (first inclined surface) 13f having a central portion inclined gently toward the front. The front bulging portion 13h is formed with 13g as a steeper inclined surface than the central inclined surface 13f toward the front, and the rear portion of the central inclined surface 13f is a rear inclined surface 13i that is steep toward the rear protruding portion 13b. An inspection window 14 is formed across the center inclined surface 13 f and the front inclined surface 13 g across the parting line P, and a transparent inspection window lid 14 a for opening and closing the inspection window 14 is attached by a hinge 15. The inspection window lid 14a may be formed in a bulging shape in which a part or the whole of the inspection window lid bulges outward so that a large amount of light is taken into the Glen tank 13 and the inside can be easily seen through.

  The inspection window 14 is positioned above the grain outlet at the upper end of the whipping cylinder 27, so that the state of the supply of rice cake supplied from the whipping cylinder 27 into the Glen tank 13 can be easily observed. It is possible to confirm the accumulation state of the soot inside the door for a long time until it reaches the full position, and it can be confirmed from the operation seat 20 so that not only the soot amount confirmation but also the sorting state can be easily confirmed.

  In addition, if the light which irradiates the inside of the Glen tank 13 is provided near the inspection window 14, and the light is turned on at the time of harvesting work at night or evening, the inside of the Glen tank 13 becomes easy to see.

  A blinker mounting portion 24 is formed on the right side surface of the Glen tank 13 at a position that protrudes most laterally so that it can be easily seen from the front and rear sides and the right side of the fuselage, and the Glen tank rotating connecting member 33 is directed toward the winker mounting portion 24. A harness groove 25 for embedding the harness in an obliquely inclined manner from the mounting portion is formed inwardly recessed.

  The harness groove 25 has a width for fitting the harness into the winker, and a harness stopper projection is formed in the groove at a constant interval, formed into a groove that is pushed in and narrower than the harness, or a groove cap that covers the harness groove 25 is provided. To install.

  In addition, the internal convex part of the harness groove | channel 25 is given sufficient inclination so that a grain may not accumulate.

10 Threshing device 13 Glen tank 13f Center inclined surface (first inclined surface)
13g front inclined surface (second inclined surface)
14 Inspection window 14a Inspection window lid 20 Pilot seat 27 Flouring cylinder

Claims (4)

  A Glen tank (13) is arranged on the rear side of the cockpit (20), and a first inclined surface (13f) inclined forward and downward is formed on the upper surface of the Glen tank (13). On the upper front surface, a second inclined surface (13g) that inclines sharply forwardly from the first inclined surface (13f) is formed continuously from the front portion of the first inclined surface (13f), and the first An inspection window (14) that continues from the inclined surface (13f) to the second inclined surface (13g) is formed, and the inspection window lid that allows the inside of the Glen tank (13) to be seen through the inspection window (14) Combine with (14a).   The combine according to claim 1, wherein the inspection window lid (14a) is configured to be openable and closable.   The combine according to claim 1 or 2, wherein a part or the whole of the inspection window lid (14a) is bulged toward the outside of the Glen tank (13).   The rear end portion of the inspection window (14) is disposed behind the outlet of the cereal cylinder (27) for supplying the grain from the threshing device (10) into the grain tank (13). Item 4. The combine according to any one of Items3.

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