JP2015050957A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure support strength of an auger receiver without solidly constituting a threshing cover.SOLUTION: A combine harvester includes an auger receiver 16 for supporting a lateral pipe 12 of a rotationally-turning discharge auger 6 at a storage position. The auger receiver 16 comprises a receiving part 16a that supports the lateral pipe 12 of the discharge auger 6, and a support part 16b extending downward from the receiving part 16a. The lower side of the support part 16b is supported by a connection frame 25 for connecting a side panel frame 18 and a grain-lifting cylinder 5, and the upper side of the support part 16b is connectedly supported by the grain-lifting cylinder 5 via the connection member 26.

Description

  The present invention relates to a combine provided with an auger receiver for supporting a horizontal pipe of a discharge auger capable of swiveling in a retracted position.

  In general, a combine provided with a discharge auger is provided with an auger receiver that supports a horizontal pipe of the discharge auger that can be swiveled in a retracted position. The auger receiver includes a V-shaped or U-shaped receiving portion that supports the horizontal pipe of the discharge auger, and a column portion that extends downward from the receiving portion, and the column portion is connected to and supported by the machine body. (See Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 11-253046 JP 2003-210030 A

  However, since the conventional combine has a structure in which a part of the auger receiver is supported by the threshing cover that covers the threshing portion, it is necessary to firmly configure the threshing cover in order to secure the support strength of the auger receiver. There is a problem that the structure is complicated and the cost is increased.

The present invention has been created in order to solve these problems in view of the above-described circumstances, and is disposed on one side of the aircraft and a pre-processing unit that cuts off stems at the front of the aircraft. The threshing part that threshs and sorts the grains from the stems, the grain tank that is arranged on the other side of the aircraft, and the sorted grain that is erected between the threshing part and the grain tank A lifting cylinder that conveys the grain in the grain tank from the threshing unit to the grain tank, a discharge auger that discharges the grain in the grain tank to the outside of the machine, an auger receiver that supports the horizontal pipe of the discharge auger that can be swiveled in the storage position; A combine that includes a driving unit disposed in front of the grain tank and a side panel frame that is disposed on one side of the driving unit and on which various operation tools are disposed, and the side panel frame is connected to and supported by the body frame. In the above, the auger receiver is connected to the discharge auger side pipe It comprises a receiving part to be supported and a support part extending downward from the receiving part, and supports the lower side of the support part with a connecting frame that connects the side panel frame and the milling cylinder, and the upper side of the support part. It is characterized by being connected and supported by a cereal cylinder through a connecting member.
A discharge clutch provided in the power transmission path of the discharge auger; and a discharge clutch lever for engaging / disengaging the discharge clutch, wherein the connecting member is formed of a bent plate member; The lever mounting member is also used as a lever guide for the lever.
Further, the discharge clutch lever is arranged in a space between the auger receiver and the threshing portion.
Further, the discharge clutch lever and the belt tension arm of the discharge clutch are connected via a wire, and an outer through which the wire is inserted is attached to and supported by the auger receiver.

According to the first aspect of the present invention, since the auger receiver is supported by the side panel frame and the whipping cylinder without being supported by the threshing cover, the auger receiver can be supported even if the threshing cover is not firmly configured. Strength can be secured.
According to the second aspect of the present invention, the connecting member is constituted by a bent plate member, which is also used as a mounting member for the discharge clutch lever and a lever guide for the lever. Simplification and cost reduction can be achieved.
According to the invention of claim 3, since the discharge clutch lever is arranged in the space between the auger receiver and the threshing portion, the discharge clutch lever can be arranged compactly without reducing the grain tank capacity.
According to the invention of claim 4, the discharge clutch lever and the belt tension arm of the discharge clutch are connected via the wire, and the outer through which the wire is inserted is attached and supported to the auger receiver. The discharge clutch lever and the wire can be handled as an assembly.

It is a left view of a combine. It is a top view of a combine. It is a right view of a combine. It is a front view of a combine. It is a transmission diagram of a combine. It is a perspective view of the combine which shows the support structure of an auger receiver. It is a principal part side view which shows the support structure of an auger receiver. It is a front view of an auger receiving periphery. It is a perspective view of an auger receiving periphery. It is a perspective view which shows the state which removed the auger receiver.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 4, reference numeral 1 denotes a combine. The combine 1 is disposed on a pre-processing unit 2 that cuts stems and stems at the front part of the aircraft and on one side of the aircraft (left side in the present embodiment). The threshing unit 3 for threshing and selecting the grains from the stems, the grain tank 4 arranged on the other side of the machine body (right side in the present embodiment), the threshing unit 3 and the grain tank 4 A cereal cylinder 5 that lifts and conveys the selected and arranged grain from the threshing unit 3 to the grain tank 4 (see FIG. 6 and subsequent figures), and the grains in the grain tank 4 are out of the machine. A discharge auger 6 for discharging, a post-processing unit 7 for post-processing the threshed waste, a driving unit 9 in which a driver's seat 8 and various operation tools are arranged, and a crawler type traveling unit 10 are provided. Has been.

  In the lower part of the grain tank 4, a horizontal spiral 4 a (refer to FIG. 5) facing front and rear is built in, and the grains in the grain tank 4 are stored in the grain tank 4 according to the rotational drive of the horizontal spiral 4 a. It is discharged from the rear lower end. A vertical pipe 11 of the discharge auger 6 is pivotably connected to the rear lower end of the grain tank 4, and a horizontal pipe 12 of the discharge auger 6 is connected to the upper end of the vertical pipe 11 so as to be movable up and down. ing. The vertical pipe 11 and the horizontal pipe 12 are equipped with helical carriers 11a and 12a (see FIG. 5) equivalent to the horizontal spiral 4a, and these helical carriers 11a and 12a rotate in series with the horizontal spiral 4a. By being driven, the grain in the grain tank 4 is conveyed to the horizontal pipe 12 via the vertical pipe 11 and discharged from the discharge port 13 formed at the tip of the horizontal pipe 12 to the outside of the machine. It has become so.

  The horizontal pipe 12 can be operated to any lifting position according to the driving of the lifting cylinder 14, and can be operated to any swing position according to the driving of the swing motor 15 (see FIG. 6). It is stored in a predetermined storage position on the machine body except when the grain is discharged (when traveling on the road, when working, when storing the machine body, etc.). As shown in FIG. 2, the storage position is a position along a diagonal line connecting the right rear end and the left front end of the combine 1, and the horizontal pipe 12 in the storage position is received and supported at the left rear of the operation unit 9. An auger receiver 16 having a V-shape when viewed from the front is disposed. In addition, although the horizontal pipe 12 of this embodiment is comprised so that folding is possible in the intermediate part, the horizontal pipe which cannot be folded may be sufficient.

  The operation unit 9 is provided with a front panel frame 17 and a side panel frame 18 for arranging various operation tools. The front panel frame 17 is provided in front of the driver's seat 8, and an operation tool such as a multi-steering lever 19 that is also used as a steering operation tool and a pre-processing lifting operation tool is disposed. Further, the side panel frame 18 is provided on the left side of the driver's seat 8, and operation tools such as a main transmission lever 20 and a narrow guide operation lever 21 are arranged. The side panel frame 18 is a strong member that is connected and supported by an airframe frame (not shown). In the present embodiment, the side panel frame 18 is configured by a rectangular plate member that is long in the front-rear direction in plan view.

  An engine 22 is mounted below the operation unit 9. As shown in FIG. 5, the power of the engine 22 is transmitted to the preprocessing unit 2, the threshing unit 3, the grain tank 4, the discharge auger 6, the post-processing unit 7, and the traveling unit 10. The power transmission path from the engine 22 to the horizontal spiral 4a of the grain tank 4 is provided with a discharge clutch 24 comprising a belt tension type clutch. When the helical transport bodies 11a and 12a of the discharge auger 6 are rotationally driven, the grains in the grain tank 4 are transported to the horizontal pipe 12 via the vertical pipe 11, and the machine from the discharge port 13 of the horizontal pipe 12 is performed. Discharged outside.

  Next, a support structure for the auger receiver 16 which is a main part of the present invention will be described with reference to FIG.

  The auger receiver 16 includes a receiving portion 16a that supports the horizontal pipe 12 of the discharge auger 6, a support column portion 16b that extends downward from the receiving portion 16a, and a base plate 16c that is welded to the lower end of the support column portion 16b. Configured. In the combine 1 which concerns on embodiment of this invention, in connecting and supporting the auger receiver 16 by the body side, the lower side of the support | pillar part 16b is supported by the connection frame 25 which connects the side panel frame 18 and the cereal cylinder 5, The upper side of the part 16 b is connected and supported by the whipping cylinder 5 via the connecting member 26. That is, the auger receiver 16 is supported by the side panel frame 18 and the whipping cylinder 5 without being supported by the threshing cover that covers the threshing portion 3, so that the auger receiver 16 is supported even if the threshing cover is not firmly configured. It becomes possible to ensure strength.

  The connection frame 25 of the present embodiment is composed of a single pipe frame that connects the side panel frame 18 and the machine body rear frame 27 along the front-rear direction. The position is firmly connected and supported. A connecting plate 25a is welded to the upper part of the front end side of the connecting frame 25, and the base plate 16c of the auger receiver 16 is connected and supported detachably using fasteners such as bolts and nuts. Note that the upper end side of the whipping cylinder 5 is connected and supported to the vertical pipe support portion side of the discharge auger 6 via the upper connection frame 28.

  By the way, since the horizontal pipe 12 of the discharge auger 6 is stored in an inclined posture in plan view along the diagonal line connecting the right rear end and the left front end of the combine 1 as described above, as shown in FIG. As the position of the auger receiver 16 goes to the rear side, the auger receiver 16 moves closer to the right side and presses the capacity of the grain tank 4. However, since the support 16b of the auger receiver 16 is supported by a connecting frame 25 that connects the side panel frame 18 and the cereal cylinder 5, if the connecting position of the support 16b with respect to the connecting frame 25 is set to the front side, There is a possibility that the operation of the operation tool such as the narrow guide operation lever 21 arranged on the frame 18 may be hindered. Therefore, in this embodiment, the support column portion 16b is bent so that the lower portion 16d of the support column portion 16b is positioned rearward and the upper portion 16e of the support column portion 16b is positioned forward. Accordingly, the receiving portion 16a of the auger receiver 16 is positioned as far as possible without hindering the operation of the operation tool such as the narrow guide operation lever 21 disposed on the side panel frame 18, and the grain tank 4 Capacity can be secured.

  The connecting member 26 of the present embodiment is composed of a plate member that is bent into an inverted L shape when viewed from the front, and is integrally welded to the upper side of the column portion 16b. On the other hand, a fixing member 5a protruding forward is welded to the upper side of the whipping cylinder 5, and a connecting member 26 is detachably connected to the fixing member 5a using fasteners such as bolts and nuts. The

  Further, the connecting member 26 of the present embodiment is also used as an attachment member for the discharge clutch lever 29 that engages / disengages the discharge clutch 24 and a lever guide for the lever 29. Specifically, the discharge clutch lever 29 is attached to the side plate portion 26a of the connecting member 26 via a lever support shaft 29a facing in the left-right direction so as to be rotatable up and down (back and forth rotatable). The operation direction of the discharge clutch lever 29 is guided by a guide groove 26c formed between 26a and the top plate portion 26b.

  As shown in FIG. 8, the discharge clutch lever 29 attached to the connecting member 26 is disposed in a space between the auger receiver 16 and the threshing portion 3. If it does in this way, since there is no possibility of pressing the capacity of the grain tank 4 unlike the case where the discharge clutch lever 29 is arranged between the auger receiver 16 and the grain tank 4, the capacity of the grain tank 4 is reduced. The discharge clutch lever 29 can be arranged in a compact manner without reduction.

  Further, in the present embodiment, a switch panel 30 that is inclined in front and rear and rear height is provided at the front end portion of the connecting member 26, and an operation tool (not shown) related to the discharge auger 6 is disposed on the switch panel 30. Yes. The operation tools related to the discharge auger 6 include an auger turning operation tool for turning the discharge auger 6, an auger lifting operation tool for raising and lowering the discharge auger 6, an auger automatic control operation tool for starting or stopping an auger automatic control, and the like. It is. The wiring of the operation tool attached to the switch panel 30 is covered with the top plate portion 26 b of the connecting member 26.

  The switch panel 30 is fixed to the front end portions of the side plate portion 26 a and the top plate portion 26 b so as to cover the front opening of the connecting member 26. At this time, the switch panel 30 is also used as a lever guide for the discharge clutch lever 29 by securing a gap continuous to the guide groove 26 c between the switch panel 30 and the side plate portion 26 a.

  The discharge clutch lever 29 of this embodiment is connected to the belt tension arm 24a of the discharge clutch 24 via a wire 31, and the discharge clutch 24 is turned on / off according to the pulling operation or the loosening operation of the wire 31 by the discharge clutch lever 29. Is done. The wire 31 is inserted into the outer 32, and both ends of the outer 32 are attached and supported by outer receivers 33 and 34 provided at appropriate positions. In the present embodiment, of the both ends of the outer 32, the end on the discharge clutch lever 29 side is attached and supported by the outer receiver 33 welded to the support column 16 b of the outer receiver 16, while the end on the discharge clutch 24 side is supported. It is attached and supported by an outer receiver 34 that is detachably provided on the cereal cylinder 5. In this way, as shown in FIG. 10, the auger receiver 16, the connecting member 26, the discharge clutch lever 29, and the wire 31 (including the outer 32) can be handled as an assembly, and attachment / detachment work as an assembly is facilitated. .

  According to the present embodiment configured as described, a pre-processing unit 2 that cuts stems and stems at the front of the aircraft, and a threshing unit that is arranged on one side of the aircraft and threshing and selecting grains from the stems and troughs 3, a grain tank 4 disposed on the other side of the machine body, a threshing unit 3, and a grain tank 4 are erected between the threshing unit 3 and the grain tank 4. A lifting cylinder 5, a discharge auger 6 for discharging the grains in the grain tank 4 to the outside of the machine, an auger receiver 16 for supporting the horizontal pipe 12 of the discharge auger 6 capable of swiveling at the storage position, and the grains An operation unit 9 disposed in front of the tank 4 and a side panel frame 18 disposed on one side of the operation unit 9 and on which various operation tools are disposed are connected to the body frame. In the supported combine 1, the auger receiver 16 is connected to the horizontal pipe 12 of the discharge auger 6. The support portion 16a is supported and the support portion 16b extends downward from the support portion 16a, and the lower side of the support portion 16b is supported by the connecting frame 25 that connects the side panel frame 18 and the cereal cylinder 5. And since the upper side of the support | pillar part 16b was connected and supported by the whipping cylinder 5 via the connection member 26, it can be supported by the side panel frame 18 and the whipping cylinder 5 without supporting the auger receiver 16 with a threshing cover. As a result, the supporting strength of the auger receiver 16 can be ensured even if the threshing cover is not firmly configured.

  In addition, a discharge clutch 24 provided in the power transmission path of the discharge auger 6 and a discharge clutch lever 29 for turning on / off the discharge clutch 24 are provided, and the connecting member 26 is formed of a bent plate member. Since the mounting member for the discharge clutch lever 29 is also used as the lever guide for the lever 29, the structure can be simplified and the cost can be reduced by sharing the parts.

  Further, since the discharge clutch lever 29 is disposed in the space between the auger receiver 16 and the threshing portion 3, the discharge clutch lever 29 can be disposed in a compact manner without reducing the capacity of the grain tank 4.

  Further, the discharge clutch lever 29 and the belt tension arm 24a of the discharge clutch 24 are connected via the wire 31, and the outer 32 through which the wire 31 is inserted is attached and supported to the auger receiver 16, so that the auger receiver 16 and the connecting member 26 are connected. The discharge clutch lever 29 and the wire 31 can be handled as an assembly.

DESCRIPTION OF SYMBOLS 1 Combine 2 Pre-processing part 3 Threshing part 4 Grain tank 5 Flouring cylinder 6 Discharge auger 7 Post-processing part 9 Operation part 11 Vertical pipe 12 Horizontal pipe 16 Auger receiver 16a Receiving part 16b Strut part 18 Side panel frame 21 Narrow guide operation Lever 24 Discharge clutch 24a Belt tension arm 25 Connection frame 26 Connection member 26a Side plate portion 26b Top plate portion 27 Machine body rear frame 29 Discharge clutch lever 30 Switch panel 31 Wire 32 Outer

Claims (4)

A pre-processing section that cuts off the stems at the front of the aircraft,
A threshing part that is arranged on one side of the aircraft, threshing and selecting grains from the stems,
A grain tank placed on the other side of the aircraft,
A milled cylinder that is erected between the threshing unit and the grain tank and conveys the selected grain from the threshing unit to the grain tank;
A discharge auger for discharging the grains in the grain tank out of the machine;
An auger receiver for supporting the horizontal pipe of the discharge auger capable of swiveling in the retracted position;
A driving part arranged in front of the grain tank;
In a combine that is arranged on one side of the driving unit and includes a side panel frame on which various operation tools are arranged, and the side panel frame is connected to and supported by the fuselage frame,
The auger receiver is composed of a receiving part that supports the horizontal pipe of the discharge auger and a supporting column part that extends downward from the receiving part, and a connecting frame that connects the side panel frame and the flour milling cylinder. The combine which supported the lower side and connected and supported the upper side of the support | pillar part with the whipping cylinder via the connection member. A discharge clutch interposed in the power transmission path of the discharge auger;
A discharge clutch lever for engaging / disengaging the discharge clutch,
2. The combine according to claim 1, wherein the connecting member is formed of a bent plate member, and is also used as a mounting member for the discharge clutch lever and a lever guide for the lever.   The combine according to claim 1 or 2, wherein the discharge clutch lever is disposed in a space between the auger receiver and the threshing portion.   4. The discharge clutch lever and a belt tension arm of the discharge clutch are connected via a wire, and an outer through which the wire is inserted is attached to and supported by an auger receiver. Combine.

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