JP2009225718A - Combined harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester improved in operating efficiency through increasing the capacity of a grain tank, and also improved in traveling performance through preventing getting poor in its own weight balance in association with the reserving grains. <P>SOLUTION: The combine harvester is such that grains are conveyed from a threshing device 10 via a cylindrical grain elevator 27 to a grain tank 13 installed adjacently to the threshing device 10 on a vehicle body frame 2. In this combine harvester, there is equipped a reservoir 13a expanded from the outer end of the cylindrical grain elevator 27 on a side surface behind the cylindrical grain elevator 27 and nearer to the threshing device 10. Thus, grain can be reserved by an excess amount corresponding to the reservoir 13a of the grain tank 13, and as the reservoir 13a stands on the side surface nearer to the threshing device 10, so that transverse imbalance of the combine harvester can be prevented toward the advancing direction thereof even if grains are fully loaded in the grain tank 13. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a combine that harvests planted cereals, and more particularly to a combine that is characterized by a Glen tank that temporarily stores harvested planted cereals after threshing.

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. In order to increase the capacity of the grain tank and increase the efficiency of the harvesting work on the assumption that the grain discharging work does not need to be performed frequently, a part of the grain tank is provided with a bulging portion.
Japanese Patent Laid-Open No. 10-84760

  Although the upper part of the grain tank of the combine according to the invention described in Patent Document 1 protrudes toward the front side of the machine body, the grain tank protruding portion is not provided in the milling cylinder installation region.

  Therefore, an object of the present invention is to provide a combine provided with a protrusion on the side surface of the Glen tank, which has not been noticed conventionally.

The problems of the present invention are solved by the following means.
According to the first aspect of the present invention, the threshing device (10) disposed on one side above the body frame (2), and the other threshing device (10) above the body frame (2) adjacent to the threshing device (10). A grain tank (13) arranged on one side and a milling cylinder (27) for conveying the grain from the threshing device (10) to the grain tank (13), the grain tank (13 on the threshing device (10) side) ) Is provided with a storage part (13a) that swells to a position closer to the threshing device (10) than the cerealing cylinder (27).

  The invention according to claim 2 provides the Glen tank (13) to the support frame (31) attached to the vehicle body frame (2) side by providing the storage part (13a) at a position rearward of the cereal cylinder (27). The combine according to claim 1, wherein the storage portion (13a) is supported so as to be pivotable in the lateral direction and the storage portion (13a) does not interfere with the cereal cylinder (27) when the glen tank (13) is pivoted outward. .

  According to the first aspect of the present invention, the storage portion 13a provided in the glen tank 13 can store the grain by the capacity of the storage portion 13a, and the side portion closer to the threshing device 10 has the storage portion 13a. Even if the grain is fully loaded in the Glen tank 13, it is possible to prevent the balance in the left-right direction from deteriorating toward the traveling direction of the combine.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the storage tank 13a does not interfere with the whipping cylinder 27 even when the grain tank 13 is rotated outward, so the grain tank 13 Can be smoothly opened, and maintenance of the Glen tank 13 and the like is facilitated when the Glen tank 13 is opened.

1 is a left side view of the combine of this embodiment, FIG. 2 is a right side view of the combine of FIG. 1, FIG. 3 is a plan view of the combine of FIG. 1, and FIG. It is a front view. 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 through the drive wheels 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. The combiner can make various turns when the operator tilts the steering lever 30 left and right in the cockpit 20. 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, a threshing lever 48, and the like are provided.

  FIG. 5A shows a right side view of the Glen tank 13 in the combine having the above configuration, FIG. 5B shows a rear view, and FIG. 5C shows a plan view.

  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 protruding portion (reserving portion) 13 b that is also bulged is provided on the rear wall surface portion 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 of the Glen tank 13 is erected in the vertical direction (vertical direction) with respect to the traveling frame 2, and the lateral direction (horizontal direction) of the Glen tank 13 is between the support frame 31 and the Glen tank 13. A Glen tank rotating connecting member 33 having a rotating 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 Glen tank turning connecting member 33 so as to be located behind the moving center axis 16a (FIG. 5). 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 case.

  Further, since the Glen tank 13 is made of a lightweight synthetic resin, 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 at the base of the Glen tank 13 and a synthetic resin tank portion 13e other than the flange portion 3d so that the tank portion 13e can be rotated to the outside of the vehicle body frame 2. In addition, when the tank 13 is opened, it can enter the entire space A in the front-rear direction formed between the flange portion 13d and the tank portion 13e, so that maintainability and cleaning performance are improved as compared with the conventional case.

  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 part 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 part 13e. is made of.

The attachment structure of the cockpit 20 of the combine of a present Example is demonstrated.
7A shows a side sectional view of the cockpit 20 of the combine 1 of FIG. 1, and FIG. 7B shows a front view of the cockpit 20 of the combine 1 of FIG.
A U-shaped cross-sectional plate 38 is welded and fixed below the cockpit 20, and a cross-section connected to the upper part of the support 39 fixed to the fuselage is located below the U-shaped plate 38. The U-shaped plate 40 is arranged in an overlapping manner.

  Each U-shaped plate 38, 40 is provided in the left-right direction of the machine body, and a plurality of holes are provided in the front-rear direction of the machine body on the opposite side surfaces (falling surface folded in a U-shape). Arrange any two of the multiple holes 38, 40 to each other, and insert the pin 41 into the matched holes to select and fix the position of the two plates 38, 40 in the longitudinal direction of the machine. can do.

  With the above configuration, the plate 38 integrated with the cockpit seat 20 can be moved in the front-rear direction, and the front-back position of the cockpit seat 20 can be slid to an appropriate position according to the operator and the work content.

  Further, the plate 42 is arranged in the left-right direction between the support 39 and the falling surface of the support 39 and the plate 38 folded in a U-shape, and these are connected to each other, so that the support plate 38 on the cockpit 20 is attached to the upper surface. Even if the weight of the human body is added, it does not deform.

  Furthermore, the cockpit 20 alone has low rigidity and may be damaged depending on the shape of the plate 38 provided below. However, in this configuration, the entire horizontal portion of the lower surface of the cockpit 20 in the longitudinal direction of the fuselage 20 is the plate 38. Since the central portion of the cockpit 20 is firmly supported by the lower U-shaped plates 38 and 40 in the left-right direction, there is no problem even if the cockpit 20 has low rigidity.

  Although the cockpit 20 can be adjusted in the longitudinal direction of the fuselage, the lower U-shaped plate 40 moves together with the forward / backward movement of the cockpit 20 so that the lower surface of the cockpit 20 is always supported. Can do.

  The present invention is highly applicable as a harvesting clutch mechanism for a combine.

It is a left view of the combine of one Example of this invention. It is a right view of the combine of FIG. It is a top view of the combine of FIG. It is a front view of the combine of FIG. FIG. 5 is a right side view (FIG. 5A), a rear view (FIG. 5B), and a plan view (FIG. 5C) of the Glen tank of the combine of FIG. 1. It is a top view which shows the state which open | released the grain tank of the combine of FIG. FIG. 6 is a side sectional view (FIG. 6A) and a front view (FIG. 6B) of the cockpit of the combine of FIG. 1.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Body frame 3 Traveling crawler 4 Driving wheel 7 Mowing apparatus support frame 8 Weeding shear 9 Mowing apparatus 10 Threshing apparatus 11 Grain raising apparatus 13 Glen tank 13a, 13b Protrusion part (storage part)
13d Glen tank collar 13e Synthetic resin tank 16 Vertical auger 16a Vertical auger rotation center axis 17 Horizontal auger 17c Grain outlet 19 Driver's cab 20 Pilot's seat 22 HST main transmission lever 23 Subtransmission lever 27 Graining cylinder 31 Support frame 32 Glen tank turning support shaft 33 Glen tank turning connecting member 35 Glen tank turning fulcrum shaft 36 Spiral blades 38, 40 U-shaped cross section 39 Post 41 Pin 42 Plate 47 Harvesting lever 48 Threshing lever

Claims (2)

A threshing device (10) arranged on one side above the body frame (2), and a grain tank (on the other side above the body frame (2) adjacent to the threshing device (10)) 13) and a milling cylinder (27) for conveying the grain from the threshing device (10) to the Glen tank (13),
A storage part (13a) that bulges to a position closer to the threshing device (10) than the milling cylinder (27) is provided on the side surface of the grain tank (13) on the threshing device (10) side. Combine to do. The storage part (13a) is provided at a position behind the milling cylinder (27),
When the Glen tank (13) is supported by a support frame (31) attached to the vehicle body frame (2) so as to be pivotable in the lateral direction, the storage section (13a) is used when the Glen tank (13) is pivoted outward. The combine according to claim 1, characterized in that is configured not to interfere with the whipping cylinder (27).

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