JP2001045841A - Culm raising apparatus of combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem of poor visibility of the culm working state of a raising apparatus. SOLUTION: A raising apparatus 40 of a reaping part 7 protruding forward from the machine body of a combine is provided with a pair of right and left raising cases 8R, 8L. One of the right and left raising cases is directed in vertical direction by front view and the top of the other case is inclined toward the former case. The top of the latter raising case placed in inclined state is positioned lower than the former raising case, a trapezoidal bulged part 8a is protruded on the side opposite to the upper side of the inclined latter case and the vertical side of the opposite face of the bulged part is overlapped with the orbit of the tip of the former tine.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a combine raising device.

[0002]

2. Description of the Related Art Conventionally, a self-removing type combine has a structure in which a raising device is disposed at a front portion, and a transport device, a threshing device, and a straw treatment device are disposed at a rear portion. Then, in a front view, the raising device arranges a raising case formed by winding a chain protruding the tine such that the tine faces in the vertical direction, and a plurality of the raising cases are arranged in parallel in the horizontal direction according to the number of strips. Was.

[0003]

However, in the conventional combine, if the axis of the handling cylinder of the threshing device is disposed in the front-rear direction, the overall length of the fuselage becomes longer in the front-rear direction, and the turning radius becomes larger. It became worse, and the area of hand-cutting at the four corners of the field and the approach to the field was also increased. In order to reduce the overall length by arranging the axis of the handling cylinder horizontally and horizontally, it is necessary to transport the cut culm to one end of the left and right, but raise the case as in the past and arrange the case vertically. In such a case, the culms were once collected in the center on the left and right sides, and then conveyed to the left and right sides, resulting in a longer conveying distance and a disturbed posture.

[0004]

The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. According to claim 1, in a configuration in which a pair of left and right raising cases are arranged in the raising device of the cutting part projecting forward of the combine body, the left and right raising cases are vertically arranged in a front view. The upper part of the side raising case is inclined to the one raising case side.

According to a second aspect of the present invention, the upper end of the inclined case on the other side is disposed lower than the raised case on the one side.

According to a third aspect of the present invention, a trapezoidal bulging portion is provided so as to protrude from the upper surface of the other raising case on the other side.

According to a fourth aspect of the present invention, the vertical side of the bulging portion on the facing surface side is overlapped with the locus of the tip of the tine on one side.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The means for solving the present invention are as described above, and the embodiments of the present invention will be described next.
FIG. 1 is an overall side view of a combine having a raising case of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a front view thereof.

Referring to FIGS. 1, 2 and 3, the overall structure of the combine will be described. In the present embodiment, the handling cylinder 4 of the combine has its rotation axis 4a arranged in the left-right direction,
It is arranged so that the length in the longitudinal direction of the fuselage is shortened. The combine supports a body on a crawler-type traveling device 1, and the crawler-type traveling device 1 includes a track frame 2.
The idler wheels and the driven wheels are supported by the motor, and the body frame is fixed to the track frame 2. The sorting unit is disposed on the body frame, and the threshing unit 3 is disposed thereon.
And the feed chain 5, and the sorting section is made up of a swinging sorting device 6, a karamino, a drifting board, and the like. A Glen tank 19 is arranged on the threshing unit 3. A cutting section 7 is disposed at the front end of the machine body, and includes a raising case 8, a scraping device 9, a cutting blade 10, a stock transfer device 12, a tip transfer device 13, and the like.

A control unit 14 is provided on the right side in the traveling direction of the reaper 7.
The steering section 14 is arranged such that a seat 16 is arranged at the rear of the step 15, an operation column 11 is erected at the front, and a round handle 17 is arranged on the operation column 11 so that the steering section 14 can be steered. The main transmission lever 18 is disposed on the side of the main transmission lever 18. A grain tank 19 is arranged on the threshing unit 3, and sorted kernels are charged by a fryer 20. And
An engine 22 is mounted on the rear part of the fuselage so that the crawler traveling device 1 can be driven via a transmission case 23, and a straw cutter 21 is arranged on a side of the engine 22.

Next, the specific structure and operation will be described. The reaping unit 7 is supported so as to be rotatable up and down around a rotation fulcrum shaft 26 provided at the front part of the body frame, and a hydraulic cylinder 27 is interposed between the track frame 2 and the reaping frame 29 so that the reaping unit 7 is mounted. Can be moved up and down. At the front end of the cutting frame 29, a triangular weeding plate 41 is arranged, and at the rear of the weeding plate 41, a raising device 40 of the present invention, which will be described later, is arranged. After the stalk is raised by the raising device 40, the stalk is raked backward from the left and right center by the rake device 9. Then, the stock company is the stock carrier device 1.
2 and the root of the stock is cut by the cutting blade 10. A stock carrier 12 and a head carrier 13 are provided from the rear of the raising device 40 to the rear of the threshing unit 3 along the machine body side on the left side in the traveling direction, and the stock carrier 12 and the head carrier are provided. A transfer device 24 is disposed at a side portion between the rear portion 13 and the feed chain 5.

The feed chain 5 is located below the Glen tank 19 at the rear of the threshing unit 3 and is disposed substantially horizontally in the left and right direction. The stem of the culm is pinched and transported from left to right in the traveling direction. The spike side of the grain culm is guided from the rear of the spike transporting device 13 into the threshing inlet 25 opened at the upper left of the machine, is thrown in, and is threshed by the rotation of the handling drum 4 of the threshing unit 3. In the present embodiment, the threshing unit is of an upwardly-handled type, and the height of the handling drum 4 is reduced so that the center of gravity is lowered to improve the weight balance of the machine body.

The lower part of the handling cylinder 4 is covered with a crimping net 30, and a sorting mechanism 31 is arranged below the crimping net 30. The sorting mechanism 31 includes a swing sorting device 6 that swings in the front-rear direction with the rear portion as a fulcrum, a sieve wire 32 that is arranged at the front end of the swing sorting device 6 and swings, and a rear lower portion of the swing sorting device 6. , Which supplies sorting air from the lower rear to the upper front, and the first conveyor 34 and the first gutter which are provided at the lower front of the sorting device 6 and take out the leaking grains into the fryer 20. A second conveyer 36 or a second gutter provided below the sieve wire 32 for taking out a second reductant mixed with leaking grains and straw chips, and a second reductant from the second conveyor 36. The apparatus comprises a second reduction conveyor returning to the upper surface of the device 6, a suction / discharge fan 37 for sucking straw dust and dust on the upper surface of the sieve wire 32 from the suction port on the upper right side of the sieve wire 32 and discharging the dust outside the machine.

Further, with the rear end right side of the handling cylinder 4 as the fourth opening, the straw is discharged to the straw cutter 21 from the rear right side of the handling cylinder 4, eliminating the straw conveyor and reducing the weight and size of the body. I'm trying. A grain tank 19 is disposed above the threshing unit 3 and has a substantially body width in the left-right direction from the rear part of the seat 16 to the rear part of the body in the front-rear direction, so that the capacity for storing grains is made as large as possible. The lower portion of the Glen tank 19 is V-shaped when viewed from the front, and a discharge conveyor 39 is disposed at the bottom in the front-rear direction so that the stored paddy can be discharged rearward.

In such a configuration, the raising device 40
Is turned to raise the lodging culm, and is squeezed to the center side by the scraping device 9 to cut the root by the cutting blade 10. Then, the grain culm is sandwiched between the stock carrier transport device 12 and the head carrier device 13 and is conveyed backward while standing up along the left side of the machine body. Guide to threshing entrance 25.

The culm held by the feed chain 5 is thrown away by the rotation of the handling cylinder 4 while being conveyed to the right, and the straw is sent to the straw cutter 21 from the right end, and is discharged to the field from behind after cutting. Is done. Grains, dust, and the like that have leaked from the crimp net 30 fall onto the swing sorting device 6, and straw waste, dust, and the like are sent forward by wind sorting and swing sorting. The fine granules pass through chaff fins and grain sieves, and are guided by a flowing grain plate, etc., fall on the first gutter, and are conveyed to the first conveyor 34.
To the right side, and stored in the Glen tank 19 via the frying cylinder 20. The second object dropped after passing through the sieve line 32 falls on the second gutter, is returned from the second conveyor 36 through the second reduction conveyor, is returned again to the rear part of the swinging sorting device 6, and is again sorted. You. The straw dust and dust are sucked by the suction / discharge fan 37 and discharged outside the machine.

Next, the raising device 40 of the mowing unit 7 of the present invention will be described.
Will be described. The raising device 40 has a pair of left and right raising cases 8L and 8R arranged at the front of the reaper 7 so as to fall rearward with a slight inclination. In this embodiment, double-row cutting is performed. As shown in FIG.
Is arranged on the left side of the machine in the vertical direction, extending obliquely upward and rearward from the lower part of the mowing frame to the height of the grain stem. On the other hand, the right raising case 8R has a lower part positioned substantially at the center in the left and right directions, and an upper part is diagonally upper and lower and has a left raising case 8R.
It extends to a position lower than the height of L, and the upper part is arranged to be inclined leftward when viewed from the front.

A drive sprocket and a driven sprocket are arranged at the upper part in the raising case 8, a chain is wound between the two sprockets, and the tines 43 are pivotally supported at a certain interval on the chain. A guide is provided on the side where the left and right raising cases 8L and 8R face each other, and the tines 43 protrude. When the left and right outer sides rotate, they are raised and housed in the cases 8L and 8R. Like that. And the right raising case 8R
Has a trapezoidal bulging portion 8a extending to the left on the upper left side surface, and upper and lower sides 8b of the left side surface of the bulging portion 8a wrap in parallel with the locus A of the tine tip of the left raising case 8L. It is arranged as follows.

With this construction, in the cutting section 7, the cereal stalks are weeded by the weeding boards 41, and then moved to the left side by the raising device 40 while being raised. It is inherited by the device 12 and the tip conveying device 13 and is nipped and conveyed rearward. The raised transport state can be easily visually recognized by an operator sitting on the seat 16, and the work state can be easily understood. Also, the left raising case 8L
Is configured to be longer than the right raising case 8R, so that it is received when the grain stalk is conveyed to the left side, so that the grain stalk after cutting off the root of the stock does not vary.

[0020]

The present invention is configured as described above and has the following effects. As in claim 1, in a configuration in which a pair of left and right raising cases are arranged in the raising device of the mowing portion projecting forward of the combine body, the left and right raising cases are vertically arranged in a front view. Since the upper part of the side raising case is inclined to the one raising case side, it is easy to move the cereal stem to the side when the cereal culm is transported along the side of the fuselage, Disorder of the posture of the culm can be reduced. In addition, by inclining the side close to the driver's seat, it is possible to easily recognize the raising and the transport state, and it is possible to easily cope with an alignment or a trouble.

According to a second aspect of the present invention, the upper end of the raised case on the other side is disposed lower than the raised case on one side. It guides until it is handed over to the transfer device of the process, and the other side has a low caliber, so you can see the state of the handover,
In addition, since a space above the space can be made large, visibility such as alignment and steering is large, and operability can be improved.

According to a third aspect of the present invention, a trapezoidal bulging portion is protrudingly arranged on the upper surface of the other raising case on the other side which is inclined, so that the grain culm after raising and cutting is obtained. When it is transferred to the transport device in the next step, it is possible to prevent the dispersion by pressing and stabilize the transfer posture.

In the fourth aspect, the vertical side of the bulging portion on the opposite surface side is wrapped with the trajectory of the tip of the tine on one side. Can be prevented, the transfer to the next process can be reliably performed, and the transfer posture can be stabilized.

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine equipped with a raising device according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

[Explanation of symbols]

 Reference Signs List 7 cutting unit 8 raising case 8a bulging part 12 stock transfer device 13 head transfer device 40 raising device

Claims (4)

[Claims] In a configuration in which a pair of left and right raising cases are arranged in a raising device of a reaping portion projecting forward of a fuselage body, in a front view, one of the left and right raising cases is vertically arranged on the other side. A raising device for a combine, wherein an upper portion of the raising case is inclined to one raising case side. 2. The combine raising device according to claim 1, wherein an upper end of the inclined raising case on the other side is disposed lower than a raising case on the one side. 3. The combination raising device according to claim 1, wherein a trapezoidal bulging portion is protrudingly arranged on the upper surface of the other raising case on the other side inclined. apparatus. 4. The combine raising device according to claim 3, wherein a vertical side of the bulging portion on the facing surface side is overlapped with a trajectory of a tip of the tine on one side.