JPH11220930A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester capable of simplifying the constitution of both the slide and a rotation transmission mechanism and reducing the weight and cost by rotatably installing a reaping part so that the sliding to the left and the right can relatively be carried out by a left and a right link rods and making the right link rod serve as a transmission case for transmitting the rotation to the reaping part. SOLUTION: This combine harvester is obtained by installing a reaping part 5 of the combine harvester so as to be relatively slidable to the left and the right by a pair of a left link rod 52 and a right link rod 60 on the side of a machine body and making the right link rod 60 serve as a transmission case for transmitting the rotation to a part or the whole of the reaping part 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine, in particular, a reaping section.

[0002]

2. Description of the Related Art A conventionally known Japanese Patent Application Laid-Open No. 63-273407 describes a configuration in which a combine harvester is provided so as to be slidable left and right on the fuselage side.

[0003]

SUMMARY OF THE INVENTION The above-mentioned known examples are as follows.
There is a problem that the slide configuration is complicated, the rotation transmission mechanism is also complicated, the weight is increased, and the cost is increased.

[0004]

It is an object of the present invention to simplify, reduce the weight, and reduce the cost of the slide structure and the rotation transmission mechanism structure.

[0005]

According to the present invention, the harvester 5 of the combine is provided so as to be relatively slidable left and right by a pair of left link rods 52 and right link rods 60 on the fuselage side. The combiner also serves as a transmission case for transmitting rotation to a part or the whole of the mowing part 5.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. 1 is a body frame, 2 is a traveling device provided below the body frame 1, 3 is a threshing device provided above the body frame 1, Reference numeral 4 denotes a control unit provided at one position on the front side of the threshing device 3, reference numeral 5 denotes a mowing unit provided at a position in front of the threshing device 3 and the control unit 4, reference numeral 6 denotes a Glen tank, and reference numeral 9 denotes a discharge auger. The reaping section 5 has a reaping section frame 7 attached to a distal end side of a vertical support frame 8 which is attached to the body frame 1 side so as to be vertically rotatable. The basic configuration of the mowing unit frame 7 is as follows:
The base of the weeding rod 11 in the front-rear direction is attached to the left and right sides of the lower frame 10 in the left-right direction, and the cutting blade frame 12 in the left-right direction is fixed to the weeding rod 11. At the tip of each weeding rod 11, a weeding body 13 is fixed, and at the back of the weeding body 13, a left and right raising device 14 for raising the weeded culm is provided.
The raising device 14 fixes the tip of the side transmission tube 17 to the lower rear surface of a raising case 16 which also serves as a frame for mounting a chain (not shown) or the like to which the raising lug 15 is attached. Each is fixed to a predetermined position on the left and right sides of the lower frame 10. A base of a reinforcing frame 18 for reinforcement is fixed to the lower frame 10, and an upper portion of the reinforcing frame 18 is fixed to an upper rear surface of the raising case 16. Therefore, the mounting strength of the pulling device 14 is improved, and the rigidity of the entire cutting section frame 7 is also improved.

At a predetermined position on the left side of the center of the lower frame 10, an upright transmission cylinder 20 is provided which rises upward, and a rear left scraping star wheel 21 is provided above the upright transmission cylinder 20. On the right side of the rear left scraping star wheel 21, a rear right scraping star wheel 22 is provided so as to mesh with each other in a plan view. The rear right scraping star wheel 22 is provided at the tip of the mounting rod 23, and the base of the mounting rod 23 is fixed to the right side transmission cylinder 17 side. In addition, the front left side scraping star wheel 21 and the rear right side scraping star wheel 22 have a smaller diameter than the rear left side scraping star wheel 21 and the rear right side scraping star wheel 22 on the front side. A star wheel 26 and a front right scraping star wheel 27 are provided, respectively, and a front left scraping star wheel 2 is provided.
6 and the front right rake star wheel 27 mesh with each other, the front left rake star wheel 26 and the rear left rake star wheel 21, and the front right rake star wheel 27 and the rear right rake star wheel 22, respectively. When the rear left scraping star wheel 21 is driven by meshing, all of the other star wheels are rotated, and the scraping transport device 29 is configured. Front left scraping star wheel 26 and front right scraping star wheel 2
7 is mounted on the left and right sides of the mounting rod 30, and the mounting rod 30 is fixed to the front and rear middle part of the center weeding rod 11 in the front and rear direction. The center weeding rod 11 has its base side fixed to the lower frame 10 and the cutting blade frame 12. 31 is the front left scraping star wheel 2
6 and a cover provided above the front right scraping star wheel 27.

The cutting blade frame is located at a lower position between the rear left scraping star wheel 21 and the rear right scraping star wheel 22 and the front left scraping star wheel 26 and the front right scraping star wheel 27. The cutting blade frame 12 is provided with a cutting blade 32 for cutting the root of the grain culm. A horizontal transmission cylinder 33 is provided at the base of the vertical support frame 8, an input pulley 34 is provided on one side of the horizontal transmission cylinder 33, and a vertical transmission case 35 is provided on the other side of the horizontal transmission cylinder 33. In the transmission case 35, the cereal stalk squeezed and conveyed to the end of the squeeze conveying device 29 is transferred to a stalk stalk supply and conveyance device 36 for supplying the spike side of the cereal stalk to the threshing room of the threshing device 3. A transport device 37 and a tip takeover transport device 38 are provided. Thus, the mowing unit 5 attaches the mowing unit frame 7 to the vertical support frame 8 via the link mechanism 40 so as to be movable left and right. A base of a mounting member 41 protruding leftward is fixed to the front end side of the vertical support frame 8, and a base 43 of a left link rod 42 is axially mounted on a front end of the mounting member 41 by a shaft 44.
The left link rod 42 forms a bifurcated portion 45 protruding upward and downward from the base 43, and the distal end of the bifurcated portion 45 is inserted so as to sandwich the lower frame 10 from above and below, and is attached to the mounting shaft 46. A bearing 47 is interposed between the shaft 44 and the mounting shaft 46.

A base of a right link rod 50 is rotatably attached to the end of the vertical support frame 8.
The front end of the lower frame 10 is rotatably attached to the upper surface of the lower frame 10. This right link rod 50 also serves as a transmission case,
A vertical transmission shaft 51 provided in the vertical support frame 8 protrudes and faces the right link rod 50, and a gear 52 is fixed to a projecting end (lower end) of the vertical transmission shaft 51, and the gear 52 is a right link. The output gear 54 is meshed with the intermediate gear 53 provided in the rod 50, the shaft 55 of the output gear 54 is projected into the lower frame 10, and the bevel gear 56 is fixed to the projection. The bevel gear 56 meshes with a bevel gear 58 provided on a horizontal transmission shaft 57 in the lower frame 10 to transmit rotation. Accordingly, the mounting structure of the base and the tip of the right link rod 50 is arbitrary. However, in the embodiment, the base of the right link rod 50 is fitted to the outer periphery of the lower part of the cylindrical vertical support frame 8 and is fitted to the vertical transmission shaft. Similarly, the tip of the right link rod 50 is attached to the boss of the lower frame 10 so as to rotate about the transmission shaft 55.

A link mechanism 40 is constituted by the lower frame 10 and the mounting member 41, and a left link rod 42 and a right link rod 50 connecting these. Therefore, the shaft 44 for attaching the base 43 of the left link rod 42 and the vertical transmission shaft 51 of the base of the right link rod 50 and the left link rod 4
The mounting portion between the second link 2 and the right link rod 50 with the lower frame 10 is arranged and configured such that the lower frame 10 moves in the left and right directions. In this case, the reaping unit frame 7 is slid in the left-right direction by manual operation or by an arbitrary actuator such as a motor. A lock device is provided so that the mowing unit frame 7 is fixed in position. Also, when the reaper 5 is slid to the left,
The work can be performed more efficiently by being positioned relatively outside (uncut ground side) of the left crawler 60 of the traveling device 2.

The distal end of the right link rod 50, which partially constitutes the link mechanism 40, is located between the upper surface of the lower frame 10 and the lower surface of the rear right scraping star wheel 22 so as to make contact with the field. And prevent contact with culm. The right side of the weeding rod 11 has a bent portion 61 which is bent in an arc shape in a plan view so that the base portion thereof is located at the center side toward the rear side, and the base portion of the bent portion 61 is flat. It is attached to the lower frame 10 via an inverted L-shaped stay 62. The stay 62 is formed on the flat portion 63 on the front side in the traveling direction, and is formed in an arc shape from the bent portion 61 to the flat portion 63, so that the mud can be removed well and the grain stalk is prevented from adhering.
In the figure, 64 is a worm gear provided on the lateral transmission shaft 57,
65 is a gear meshing with the worm gear 64, 66 is a gear 6
A transmission shaft fixed to 5 is mounted in the upright transmission cylinder 20. The rear left scraping star wheel 21 is fixed to the upper end of the transmission shaft 66. Reference numeral 67 denotes a transmission shaft provided in the side transmission cylinder 17 for driving the raising device 14. 68 is a bevel gear meshed with the bevel gear 58, and drives the cutting blade 32.

An outer cover 70 is provided on the side of the left raising device 14. The outer cover 70 is divided into upper and lower parts, and the upper cover 71 is provided with engaging portions 75 and 75 respectively engaging with an upper hook 73 and an intermediate hook 74 provided on a rear case 72 of the raising case 16. A detachable knob bolt 77 is screwed into a mounting portion 76 provided at 18 by a manual operation without tools. The lower cover 78 of the outer cover 70 is provided with an engagement hook 80 for engaging an engagement rod 79 provided below the upper cover 71 from below. The engagement hook 80 rotatably attaches the handle 80a to the shaft 80b, and normally urges the engagement by a spring (not shown). Reference numeral 83 denotes an engagement hook that engages each of the engagement members 81 and 82 provided on the reinforcing frame 18 and the left side transmission cylinder 17 from above. Exterior cover 7
0, first, the upper hook 73 and the intermediate hook 74 of the upper cover 71 are respectively engaged with the engaging portions 75, 75 and fixed with the knob bolt 77, and then the engaging hook 83 of the lower cover 78 is Then, the engaging hook 80 is engaged with an engaging rod 79 provided at a lower portion of the upper cover 71 and attached.

Therefore, the outer cover 70 serves as a strength member for connecting the raising device 14, the reinforcing frame 18, and the side transmission cylinder 17, thereby improving the strength of this portion and facilitating the attachment of the cover. . Moreover, since it is not attached to the weeding rod 11 as in the prior art, it is possible to prevent secondary damage that occurs in tandem with the breakage of the weeding body 13 and the weeding rod 11. 8
4 is a hook, 85 is an engagement shaft, 86 is a screw shaft, 87 is a screw cylinder, and 88 is a bolt.

[0014]

Next, the operation will be described. Since the present invention is configured as described above, when the body is advanced, weeding is performed by each weed body 13 and the weeded stalks are raised by each raising device 14 and the front left side of the scraping and conveying device 29 is moved. The raked star wheel 26 and the front right raked star wheel 27 and the rear left raked star wheel 21 and the rear right raked star wheel 22 are raked, and the cutting blade 32 cuts the root of the grain stem. It is carried over to the stock takeover transfer device 37 and the head takeover transfer device 38, and is taken over by the stock takeover transfer device 37 and the head takeover transfer device 38 to the grain culm supply transfer device 36 at the side of the threshing room. It is supplied to the threshing room by the cereal culm supply / transport device 36 and threshed.

Since the mowing portion 5 has the mowing portion frame 7 attached to the vertical support frame 8 via the link mechanism 40 so as to be movable to the left and right, the mowing portion 5 and the machine such as the traveling device 2 and the threshing device 3 can be used. Since the reaping unit 5 is relatively moved in the left-right direction, responsiveness of reaping under field conditions is improved. That is, in a wetland or the like, stepping on the uncut land side by the left crawler 60 is prevented. In this case, the link mechanism 40
As a result, the vertical support frame 8 and the reaping section frame 7 are slid left and right, so that the configuration is simple, not only the weight can be reduced but also the cost can be reduced. Also, the link mechanism 40
The right link rod 50 constituting a part of the vertical support frame 8
Gears 52 and intermediate gears 53 for transmitting rotation to the vertical transmission shaft 51 of the vertical support frame 8 and the horizontal transmission shaft 57 of the lower frame 10 as well as to rotatably mount the respective mounting portions of the lower frame 10 and the lower frame 10. Since the transmission structure having the output gear 54 is built in, there is no need to provide another transmission structure.
The reduced number of parts contributes to weight reduction. The right link rod 50 includes a gear 52, an intermediate gear 53, and an output gear 54.
Since it also serves as a case surrounding the link mechanism, it has sufficient strength and contributes to improvement of the strength of the link mechanism 40.

Since the tip of the right link rod 50 is located between the upper surface of the lower frame 10 and the lower surface of the rear right scraping star wheel 22, it is located above the lower frame 10 and Is prevented from causing an increase in running resistance such as pushing out mud and the like and mud can be prevented from adhering. In addition, the rear right scraping star wheel 22 above the right link rod 50 reduces grain culm. Transported to prevent contact. In addition, since the right link rod 50 is disposed on the cut ground side opposite to the confluence point A of the grain culm conveyance, the components above the right star wheel are unnecessary, and straw accumulation, wrapping, and adhesion are prevented. To prevent In addition, when sliding to the right, it is substantially parallel to the grain stalk transport direction, so that the action of the grain stalk transport guide can also be expected. Further, a left link rod 42 constituting a part of the link mechanism 40 is provided.
Is mounted on the mounting member 41 provided between the lower frame 10 and the left crawler 60, so that not only can the space be effectively used to secure the mounting space, but also by providing this space, the transported culm can be entrained and the stock can be removed. Adhesion of mud to the original can be prevented. Further, the strength of the left side of the mowing part frame 7 is improved.

The left link rod 4 is attached to the tip of the mounting member 41.
2 and a left link rod 42
Is formed with a bifurcated portion 45 protruding vertically from the base 43, and the lower frame 10 is sandwiched from above and below by the upper and lower ends of the bifurcated portion 45 and is axially mounted on the mounting shaft 46. Is firmly supported, especially when the cutting unit 5 is moved up and down. Therefore, the lower one of the forked portions 45 can be configured to be small, reducing the problem of thrusting and sticking, and the bearing 47 is interposed between the shaft 44 and the mounting portion of the mounting shaft 46. The operation is reliable, the twisting and the like are prevented, and the vibration of the cutting unit 5 is reduced.

[0018]

According to the present invention, the harvester 5 of the combine is provided on the fuselage side so as to be relatively slidable left and right by a pair of left link rods 52 and right link rods 60. Since the harvester 5 is movably mounted on the left and right sides via the link mechanism 40, the structure is simple, and the weight is light. The right link rod 50 is provided with a transmission structure, so that there is no need to provide any other transmission structure, and the number of components can be reduced to further reduce the weight and secure the strength. It works.

[Brief description of the drawings]

FIG. 1 is a side view of a combine (a cut-away part is not shown).

FIG. 2 is a side view of a reaper.

FIG. 3 is a partial plan view of the same.

FIG. 4 is a cross-sectional view of the transmission mechanism in a partially expanded state.

FIG. 5 is a perspective view showing a frame.

FIG. 6 is a partial perspective view showing a transmission mechanism.

FIG. 7 is a schematic diagram showing a moving state.

FIG. 8 is a sectional view of a left link rod portion.

FIG. 9 is an assembled perspective view of the raising device and the cover.

FIG. 10 is a sectional view of a cover.

FIG. 11 is a side view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Airframe, 2 ... Traveling device, 3 ... Threshing device, 4 ... Operation part,
DESCRIPTION OF SYMBOLS 5 ... mowing part, 7 ... mowing part frame, 8 ... vertical support frame, 10 ... lower frame, 11 ... weeding rod, 12 ... cutting blade frame, 13 ... weeding body, 14 ... raising device, 15 ... raising lug, 16 ... Raising case, 17 ... Side transmission tube, 18 ... Reinforcement frame, 20 ... Standing transmission tube, 21 ... Rear left scraping star wheel, 22 ... Rear right scraping star wheel, 23 ... Mounting rod, 26 ... Front side Left scraping star wheel, 27: front right scraping star wheel, 29: scraping transport device, 30: mounting rod, 3
2 ... cutting blade, 33 ... horizontal transmission cylinder, 34 ... input pulley, 35 ...
Vertical transmission case, 36 ... Grain culm supply / conveyance device, 37 ... Stock origin transfer device, 38 ... Front transfer device, 40 ... Link mechanism, 41 ... Mounting member, 42 ... Left link rod, 43 ... Base,
44 ... shaft, 45 ... bifurcated portion, 46 ... mounting shaft, 47 ... bearing, 50 ... right link rod, 51 ... vertical transmission shaft, 52 ... gear, 53 ... intermediate gear, 54 ... output gear, 55 ... shaft, 56
… Bevel gear, 57… horizontal transmission shaft, 58… bevel gear, 6
0: left crawler, 61: curved part, 62: stay, 63
... flat part, 64 ... worm gear, 65 ... gear, 66 ... transmission shaft, 67 ... transmission shaft, 68 ... bevel gear, 70 ... exterior cover, 71 ... upper cover, 72 ... back case, 73 ... upper hook, 74 ... middle Hook, 75 engaging part, 76 attaching part, 77 knob bolt, 78 lower cover, 79 engaging rod, 80 engaging hook, 81 engaging hook.

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[Procedure amendment]

[Submission date] May 18, 1998

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 10

FIG. 2

FIG. 3

FIG. 4

FIG. 5

FIG. 11

FIG. 6

FIG. 7

FIG. 8

FIG. 9

Claims (1)

[Claims] 1. A reaper 5 of a combine is provided on a fuselage side so as to be relatively slidable left and right by a pair of a left link rod 52 and a right link rod 60, and the right link rod 60 is a part of the reaper 5 or A combine that also serves as a transmission case that transmits rotation to the whole.