JP2565365Y2 - Grain stem raising and conveying device in combine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain stalk raising and conveying apparatus for combine harvesting and threshing stalks and other agricultural products.

[0002]

2. Description of the Related Art Conventionally, a herbaceous body corresponding to a row of three or more culms and a cereal culm raising device are attached to a front portion of a cutting frame, and a cutting blade is mounted on a lower rear portion of the culm raising device. A plurality of horizontal scraping devices spaced apart in the horizontal direction are arranged above the cutting blade and below the grain stalk raising device, and a horizontal transport device is provided at a rear portion thereof, whereby the grain stalks laterally transported by the horizontal scraping device are provided. In which the horizontal conveying device is constituted by two upper and lower horizontal conveying belts.
Of a cereal stem raising and conveying device in a combined combine
It is already known from 237915 and the like. Also,
Heretofore, it has been already known that the upper limit of the raising action of the grain stalk raising apparatus is set to a position considerably higher than the uppermost horizontal transport zone.

[0003]

The cereal stem raising and conveying device in the above-mentioned known combine combines with the cereal stem raising device.
The horizontal conveyor belt of the step is widely separated behind, and the grain stem is raised
Cereal stems caused by placing
The spike side bends forward while being transported to the conveyor
And is taken over by the horizontal transfer device in the same posture.
The transport posture of the grain stem after the transport device is bad, and transport turbulence does not occur
Disadvantages. In order to solve this drawback, cereal stem raising
A further vertical scraping of the tip of the spike above the device and the upper horizontal transfer device
If the installation device is provided, the structure becomes complicated and the cost increases.
In both cases, the amount of vertical scraping equipment is inevitably increased, so that the entire pretreatment equipment
The problem that the length becomes large occurs.

[0004]

This invention SUMMARY OF THE INVENTION After a minute Sotai 9 corresponding to the front to Article 3 min or more cereal稈列the reaper frame 6
The tilted grain stalk raising device 10 is attached to each , a cutting blade 11 is attached to the lower rear of the grain stalk raising device 10, and the cutting blade 11 is mounted laterally above the cutting blade 11 and below the grain stalk raising device 10. A plurality of vertical scraping paths A are arranged at intervals in a combine, and a horizontal transport device B is provided at a rear portion thereof.
Was constructed by the horizontal conveyor belt 38, 39 and 40 in a plurality of stages, the
Horizontal transport at the top of the multiple horizontal transport zones 38, 39, 40
The belt 38 enters the back of the grain stem raising device 10 in a side view.
Causes close to該穀稈引electromotive device 10 Mase, by the cause effects limit causes pawl 10a cereal稈引electromotive device 10 at substantially the same height as the horizontal conveyor belt 38 of the uppermost of the aforementioned
Solved various problems .

[0005]

[Function] A plurality of trichome culms are weeded by a weeding body, raised by a cereal stem raising device and raked rearward by a cereal stem raking device that forms a cereal stem raking path, and cut downward. mowed by blades, but it is traversing one side of the machine width by the lateral transporting device consisting Yoko搬 feed zone of a plurality of stages, in which,
The uppermost horizontal conveyor belt is close to the cereal stem raising device in side view.
So that it is almost straight
The spike side of the cereal stem in the posture is quickly turned into the uppermost horizontal transport zone.
Inherited, traversing been reaper culms by the lateral transporting device in condition like the above posture is as much as possible maintained is Koso by portions extending a strain base portion rearward of the end of the lower horizontal conveyor belt, stem On the other hand, the conveying direction of the spike side is changed backward at the rear end of the upper and middle two-stage horizontal conveying belt, and is then transferred to the starting end of the inclined conveying device to be smoothly supplied to the threshing device. In addition, the above action
Therefore, for example, as in the conventional case,
It is set at a position significantly higher than the top horizontal transport zone
The stalk raising device is inclined backward and the uppermost horizontal transport zone is
Because of the contact, it is attempted to be fed sideways by the
From the horizontal conveyor belt of the grain stalk raising device
The upward triggering action of the raising claws works in the upper part, and the resistance
It is easy to cause transport disturbance, etc.
However, the upper limit of the raising action of the raising claw is almost the same as that of the uppermost horizontal transport belt.
Is set at the same height.
Effect of raising nails on the culm
Very little, the culm is transported well by the horizontal transport zone.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to a five-row cutting combine shown in the drawings. Reference numeral 1 denotes a threshing device mounted on the left side of a machine base having a pair of right and left crawlers. A cabin 3a surrounding the operation panel and the driver's seat, a grain tank, and the like are arranged in this order, and a main frame 5 and a mowing frame 6 fixed to the front of the main frame 5 The rear part of the pre-processing frame is vertically pivotally supported by a horizontal support shaft 7, and a hydraulic cylinder for lifting and lowering is provided between the transmission case and the main frame 5.
It is interposed the over.

[0007] At the front end of the cutting frame 6, there are attached six weeds 9 for weeding five cultivars, and five cultivars raised obliquely rearward and upward from the rear thereof. A cutting blade 11 is attached to a lower rear portion of the grain stem raising device 10 composed of: a raking wheel 12 composed of five star wheels is supported by a vertical axis 13 above the cutting blade 11, and The rake wheel 12 at the right end is independent from the inner vertical rake path A (a guide rod is not shown), and the other four rake wheels 12 are engaged with each other to form two rake wheels. A vertical pulling path A is formed, and a V pulley 15 which is located on the right side of the pair of pulling wheels 12 and 12 but is attached to the upper end of the vertical axis 13 and a bracket 20 which extends forward from the shaft holding cylinder. V-belt 1 with flexible lug on small diameter V-pulley 16 supported
7 and the longitudinal axis 13 of the raking wheel 12 meshed on the left side thereof.
A V-pulley 15 is also attached to the upper end of the V-pulley, and V-pulleys 16 and 22 are respectively supported on brackets 20 and 21 extending obliquely forward and rearward from the shaft holding cylinder. A stalk scraping V-belt 25 is attached.

[0008] A stock feed chain 28 is stretched around a sprocket 26 attached to the lower portion of the central longitudinal axis 13 and a rolling wheel 27 pivotally supported slightly behind the rear end of the bracket. A stock raking chain 31 is stretched over a sprocket 26 attached to the lower part of the longitudinal axis 13 and a sprocket 30 at a position crossing the lateral transport path to be described later, and attached to the longitudinal axis 13 of the raking wheel 12 at the left end. The sprocket 34 of the shaft 33 that rises from the sprocket 26 and the transmission case 33a provided outside the terminal end of the horizontal conveyance path is also driven by stretching the stock-raising chain 35 to thereby pull the left end. Wheel 12
Is driven to rotate the squeezing wheel 12 which is sequentially meshed with the right side thereof.

The horizontal transporting device B comprises an upper horizontal transporting belt 38 and a middle horizontal transporting belt 39, which are composed of a chain with undulating tine.
And a lower horizontal transport band 40 composed of a chain with projections. The drive sprocket 41 of the lower horizontal transport band 40 is mounted on a shaft 43 that rises from the gear case 42 in parallel with the longitudinal axis 13 and the like. The drive sprocket wound around the intermediate portion on the return side of the transport band 39 is a universal joint 4
The shaft 47, which is mounted on the upper part of the intermediate shaft 44 inclined backward with respect to the shaft 43 via the shaft 8 and the upper end of which is mounted with a driving sprocket 46 wound around the left rear part of the upper horizontal conveying belt 38, has a sprocket 47a also at the lower end. Have this sprocket 47a
Are meshed with the middle and horizontal transport belts 39 so that the upper horizontal transport belt 3
8 is driven, and only the transfer end of the lower horizontal transport belt 40 extends rearward, and is transmitted to the gear case 42 by a transmission shaft in a pipe 5 a which is one of the constituent members of the main frame 5. . Further, the stalk scraping V- belt 25 and the middle and horizontal transport belt 39 are formed at substantially the same height,
9, the interval Z of the upper horizontal transport zone 38 and the lower horizontal transport zone 4
Since the intervals Z of 0 are almost equal, the delivery of the grain culm can be performed smoothly and accurately.

The raising claw 1 of the grain stem raising device 10
In the lower end, the lower end of the cereal stalk is locked while being raised and projected in the same manner as the conventional one at the lower end, and is raised in a horizontal posture. When the height is substantially the same as the base of the tine, the base of the raising claw 10a comes off the upper end of the guide rail in the grain stalk raising device 10.
Forming the upper limit of the cause acts in lodging by that, further,
After ascending, it descends and turns. As shown in FIG. 1 , the tine of the upper horizontal conveying belt 38 has a grain culm at its tip side.
It enters into the back of the raising device 10 and is close to the cereal stem raising device 10.
Since it is in contact with and slightly descends, the spike side of the cereal stem raised just below the upper limit of the raising action is quickly locked and laterally fed.

On the upper portion of the shaft 33 rising from the left transmission case 33a, a stem transfer chain facing from the outside between the rearward end portions of the upper and middle horizontal transfer belts 38, 39. A large number of tines 29 are installed, and a large number of tines mounted thereon stand up and protrude at the front as shown by a locus 29b, lie down in the opposite direction of rotation at the rear, and receive and transport the stems of the combined grain stalks. Change direction backward.

The inclined transfer device C is composed of a spike-side transfer chain 50 provided with a tine and a guide rod and a stock transfer chain 51 provided with a clamping rail. lower lateral top above the conveyor belt 40 faces the rear surface of the middle horizontal conveyor belt 38 and 39, the rear end is vertically tiltably supported on the support shaft 7 through the tilt axis and the gear case, wherein the tilt axis cabin It is inclined to the 3a side. 52 is an inverted U-shaped rod that supports the holding rail and the guide rod, 53 is a guide plate that is attached to the back of the grain stalk raising device 10 and that forms the front side of the horizontal transport path between the vertical scraping paths A. is there.

In the above-mentioned combine, the cereal culm weeded by the weeding body 9 is raised by the cereal culm raising device 10 and the root portion of the cereal is raked by the raking wheel 12 and the root of the rammed chain 2.
According to 8, 31, 35, the stalk scraping V belt 1
7, 25, the ear side is scraped by the rotation of the star wheel 37 (or a drum with a tine), during which the cutting blade 11 cuts the base.

The grain stalks squeezed from the vertical scraping path A in this manner are disposed at fixed positions, and are passed on to the middle, lower horizontal transport belts 38, 39, and 40. , Upper horizontal transport
The transmission belt 38 enters the back of the grain stalk raising device 10 and pulls the grain stalk.
Grain stalk pulling up to the extent that cereal stalks can be directly inherited from the raising device
Is raised by the cereal stem raising device 10
The posture of the cereal stem that has been made almost straight
The tip side quickly moves to the upper horizontal transport belt 38 while being maintained.
Inherited and transported sideways. At this time, causing the action upper limit position of causing the pawl 10a · · cereal稈引electromotive device 10, than are substantially the same height as the upper horizontal conveyor belt 38, the lower surface of the position where the cause pawl 10a is laid down upper lateral or tines of the conveyor band 38 is transverse conveying engaged ears side of culms in closely spaced sites
Of the culm to be laterally fed by the upper horizontal transport zone 38
From the lateral conveyance belt 38 of the grain stem raising device 10 to the tip side
In the upper part, the raising action by the raising claw 10a works.
With little resistance or shattering
Is transported satisfactorily by the upper, middle and lower horizontal transport belts 38, 39 and 40.
Sent. Moreover, since the raising upper limit position of the raising nail 10a is low, even a relatively short cereal stem is less likely to squeeze the ears to shed the grains. Further, since the shafts 47 of the upper and middle horizontal transfer belts 38 and 39 are inclined backward with respect to the shaft 43 and the like, they are received in a desired standing posture and merge sequentially while being conveyed laterally.
When the horizontal transport end is reached, the base of the stock is steadily inherited by a portion toward the rear of the lower horizontal transport band 40 where the transport surface wraps with the stock scraping chain 35 and is in the same direction, and then the upper portion thereof Is transferred to the stock transfer chain 51 of the inclined transfer device C, and the spike is transferred to the spike transfer chain 50 in the upper, middle , and between the horizontal transfer bands 38 and 39 or above (in the case of a long culm). In this state, after being conveyed diagonally rearward and upward, the stock root part is fed by the feed chain 1 of the threshing device 1.
a and the banding rail, and the ear side is inserted into the supply port for threshing.

[0015]

[Effects of the Invention] Since the present invention is configured as described above,
A plurality of vertical scraping paths A which are raised by the cereal stem raising device 10
The grain stalks that have been scraped and harvested are laterally conveyed by a horizontal conveying device B composed of a plurality of horizontal conveying bodies 38. Grain stalk raising device 10
Because it is close to, for example, a vertical scraping device of the head is further provided above the grain stalk raising device and the uppermost horizontal conveyance band, so that the structure becomes complicated or the overall length of the pretreatment device is large. While being prevented, the grain stalks raised by the grain stalk raising device 10 and having a substantially straight posture are quickly moved to the front end side while maintaining the posture as much as possible. The transfer can be carried over to the uppermost horizontal transport zone 38, so that the transport can be smoothly performed by the multiple horizontal transport zones 38 with little disturbance. The raising nail 1 of the grain stem raising device 10
0a is set to be approximately the same height as the uppermost horizontal transport belt 38, so that the raising claw 10 of the grain stem raising device 10 can be used.
Since a is to be laid down at the position corresponding to the uppermost horizontal transport zone 38 to complete the raising action, the grain culm to be fed laterally by the horizontal transport zone 38 is The raising action of the raising claw 10a of the raising device 10 works hardly to cause resistance or shedding, and
The grain culm can be satisfactorily inherited and transported by the plurality of horizontal transport zones 38.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view in which a rear portion of a combine is omitted.

FIG. 2 is a plan view of the same as viewed from the direction of arrow a in FIG. 1; DESCRIPTION OF REFERENCE NUMERALS 1 Threshing device 9 Grass plant 10 Grain stalk raising device 10a Raising claw 11 Cutting blade 12 Scraping wheel 25 Stem scraping V-belt 28 Stock squeezing chain 37 Star wheel 38 Upper horizontal transport belt 39 Middle horizontal transport belt 40 Lower horizontal transport belt Transport zone A Vertical scraping path B Horizontal transport device C Incline transport device

Claims (1)

(57) [Scope of request for utility model registration] 1. A reaping min Sotai 9 and grain稈引electromotive device 10 and the respective mounting of the rear傾状 corresponding to Article 3 min or more cereal稈列the front of the frame 6, the bottom rear of該穀稈引electromotive device 10 Cutting blade 1
1 and above the cutting blade 11 and the grain stem raising device 1
0, a plurality of vertical scraping paths A laterally spaced apart from each other.
Are arranged, and the horizontal transport device B is provided in a rear portion of the combine .
39, 40 , and the plurality of stages of the horizontal transport belts 38, 3
9 and 40, the uppermost horizontal transport belt 38 is the grain culm in a side view.
The grain stem raising device 10 is inserted into the back of the raising device 10
And the raising claw 10a of the grain stalk raising device 10
Wherein the upper limit of the raising action is substantially the same as the height of the uppermost horizontal transport zone 38 .