JPH0698619A - Grain straw-reaping device of combine harvester - Google Patents

Abstract

PURPOSE:To employ raking endless members, etc., for both a reaping harvest and a picking-up harvest by switching the raking endless members, etc., from their arrangement for a combine harvester for reaping and harvesting soybeans, adzuki beans, etc., to their arrangement for a combine harvester for picking up grain straws having been cut down in a field. CONSTITUTION:The grain straw-reaping device of a combine harvester is characterized by disposing several pairs of right and left raking endless members 3, 4 for nipping and raking up grain straws on the front side of an auger case 2 having a raking auger 1 for collecting and transferring the reaped grain straws so that the raking endless members 3, 4 can be rotated at an angle of approximately 90 deg. around extending shafts 5, 6 disposed along the grain straw-raking direction to switch the posture of the endless members into a grain straw-picking up posture.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine harvester and harvester for harvesting and picking up beans such as soybeans and adzuki beans.

[0002]

2. Description of the Related Art A mowing device for cutting a grain stalk while guiding it to a slicing device, and a picking device for harvesting a grain stalk already harvested by a reaper. Since the specifications are different for each, the production cost of the machine is high and it is uneconomical. Therefore, the present invention intends to commonly use an auger case for accommodating an combine auger, a scraped endless body, and the like.

[0003]

According to the present invention, a pair of left and right scraped endless bodies 3 for sandwiching and scraping a grain culm are provided in front of an auger case 2 having a scraping auger 1 for collecting cut grain culms. Four
Is capable of being switched to a picking-up posture in which the rice culm is picked up by expanding the culm by about 90 degrees around the developing shafts 5 and 6 along the scraping direction of the culm. The structure of the culm harvesting device.

[0004]

When the scraped endless bodies 3 and 4 are transmitted in the grain culm sandwiching posture, the legumes of beans sandwiched between these scraped endless bodies 3 and 4 are transferred to the rear. It is mowed by the cutting blade device and supplied into the auger case 2, and further, the inside of the auger case 2 is scraped and collected by the scraping auger 1 and transferred to the threshing device and threshed.

When beans that have already been cut by the cutting device are in the field, when the scraped endless bodies 3 and 4 are spread about 90 degrees around the expansion shafts 5 and 6, the above-mentioned grain culm holding posture is obtained. The sandwiching surface of each of the scraped endless bodies 3 and 4 is in the pick-up posture in which the picked rice culms are picked up and placed and transferred to the rear, and the harvested grain culms in the field are picked up. It is placed on the upper surface of rotation and fed to the auger case 2 on the rear side, and is conveyed and fed to the threshing device while being collected by the scraping auger 1.

In this way, the pair of left and right scraping endless bodies 3 and 4 are switched to the front side of the auger case 2 between the gripping and scraping posture in which the grain culms are clamped and scratched, and the picking up posture. Mowing,
Since this is a pick-up harvest, not only the combine harvester auger 1 and auger case 2 but also the scraped endless bodies 3, 4 etc. are shared, and the harvesting and pick-up harvesting modes are switched by a simple operation. be able to.

[0007]

[Example] In a combine, a thresher type threshing device 7 for throwing all culms and threshing is mounted on a chassis 8.
The front side is connected to the auger case 2 by a case 9 of a feed conveyor, and the cut grain culm is conveyed and supplied. Reference numeral 10 denotes a cabin on one side of the front of the chassis 8, which has a cockpit inside. Reference numeral 11 is a grain auger for discharging harvested grains. 24 is a crawler.

Along the front side of the auger case 2 having the auger 1, a plurality of pairs of left and right scraped endless bodies composed of a pair of left and right belts are arranged in parallel, and a plurality of grain stems are arranged from the lower front to the rear. It is installed in a front lower slope so that it can be pinched and conveyed toward the upper level. Each of the scraped endless bodies 3 and 4 is stretched between the front and rear pulleys with the guide frame 12 as a main body, and the rear end pulley shaft 13 is connected to the bevel gear 14 and the chain 1.
5 and a structure capable of transmitting through a mechanism such as a bevel gear 16, a lower drive shaft 17 is horizontally mounted horizontally along the front end portion of the auger case 2, and from the drive shaft 17,
Each bevel gear 14 is a pulley shaft 13 of each endless body 3 and 4 to be swept.
It is a structure to branch to. 18 is a mounting bracket,
Both ends of the drive shaft 17 are mounted on the auger case 2. The drive shaft 17, the bevel gear 14, the chain 15, and the like are housed in a transmission case 19, and above the transmission case 19,
The bearing case 20 which receives the pulley shaft 13 and which houses the bevel gear 16 is rotated about 90 degrees around the deployment shafts 5 and 6 along the direction in which the endless bodies 3 and 4 are stretched. The scraped endless bodies 3 and 4 can be deployed to the left and right opposite sides.

A disk blade 21 is mounted on the lower side of the front portion of each guide frame 12 so as to be displaced inward, and is transmitted by the rotation of the scraped endless bodies 3 or 4 or directly from the pulley shaft 13. Thus, the grain culms that are sandwiched and conveyed between the left and right scraped endless bodies 3 and 4 can be cut in the middle. When each of the scraped endless bodies 3 and 4 is rotated about 90 degrees around the expansion shafts 5 and 6, the sandwiching surface of the grain stem opens to the left and right, and both faces upward, so that the rotation surface is horizontal. The vertical state is changed to a vertical state, and the grain culms can be placed on the upper surfaces of the scraped endless bodies 3 and 4 and conveyed backward.

Each of the scraped endless bodies 3 and 4 may have a sandwiching surface formed into an uneven surface so that the sandwiched grain culms are hard to come off or a lug is provided so as to improve the carrying effect. . The developing shaft 5 of the bearing case 20 relative to the transmission case 15
The deployment switching around 6 can be performed by replacing the lock pin 22 across the pin hole formed between the cases 15 and 20.

When cutting and harvesting grain culms such as soybeans and azuki beans, the scraping endless bodies 3 and 4 are mounted, the drive shaft 17 is transmitted from the transmission mechanism 23, and the bevel gear 14, chain 15 and the like.
The scraped endless bodies 3 and 4 are transmitted through the bevel gear 16, the pulley shaft 13, and the like. The grain culm is sandwiched between a pair of left and right scraping endless bodies 3 and 4, and while being scraped rearward,
The root portion of the stock is cut by the disc blade 21 and carried into the rear auger case 2. The grain culms collected by the rotation of the auger 1 are transported in the conveyor case 9 and supplied into the threshing device 7 to be threshed.

Further, when picking up and threshing a grain culm which has already been mowed in the field scene by the mowing device, the lock pin 22 is used.
The endless bodies 3 and 4 are swung 90 degrees around the deploying shafts 5 and 6 by replacing the endless bodies 3 and 4 so that the rotation surfaces of the endless bodies 3 and 4 are directed upward. The grain culms in the field are picked up by the rotation of the scraped endless bodies 3 and 4 and supplied to the rear auger case 2, collected, transported, and supplied to the threshing device 7.

Further, in FIGS. 5 and 6, a pick-up endless belt 25 is attached instead of the scraped endless bodies 3 and 4.
While picking up the grain culm that has been cut down in advance in the field, the grain culm is placed on the upper surface of the pick-up endless belt 25 and supplied into the rear auger case 2. Above the pick-up endless belt 25, the reel 26
Also, the scraping action can be assisted by providing the auxiliary reel 27 and the like.

The pick-up endless belt 25 supports both ends of the flat pulley shafts 29, 30 on the weed frame 28 portion projecting forward from both left and right sides of the auger case 2, and the front and rear flat pulley shafts 29, 30 are supported. A pick-up endless belt 25 on which a protrusion can be arranged is stretched over 30 and the shaft 29 can be transmitted by the transmission mechanism 23. Reference numeral 31 denotes a bracket for bearing the flat pulleys 29, 30 and the like, which is detachable from the grass frame 28.

The reel 26 is located above the scraped endless belt 25, and is erected between the left and right reel arms 32. The reel arm 32 is expanded and contracted with respect to the auger case 2. The reel bearing 34 can be controlled to move up and down, and the reel cylinder 34 can be moved in the front-rear direction by expansion and contraction of the slide cylinder 35 to control the rotation position of the reel 26 to an appropriate position.

Further, the auxiliary reel 27 is the reel 26.
Between the upper endless belt 25 and the front part of the pick-up endless belt 25, and is pivotally mounted on a reel arm 36 projecting downward from the tip parts of the left and right reel arms 32, and a transmission system of the reel 26 is formed. It is driven and rotated through the pick-up endless belt 25 to assist in picking up the grain culms. In addition, in the case of a normal type combine, remove the pick-up endless belt 25, the auxiliary reel 27, etc.
By attaching and transmitting a clipper-type cutting blade device along the front edge of the auger case 2, rice, wheat, etc. can be cut and harvested.

[Brief description of drawings]

FIG. 1 is a side view of a mowing device section.

FIG. 2 is a plan view showing a part of the operation.

FIG. 3 is a rear view showing a part of the operation.

FIG. 4 is a side view thereof.

FIG. 5 is a side view of the entire combine.

FIG. 6 is a plan view thereof.

[Explanation of symbols]

 1 Scratched auger 2 Auger case 3 Scratched endless body 4 Scratched endless body 5 Deployment axis 6 Deployment axis

Claims (1)

[Claims] 1. A pair of right and left scraped endless bodies 3 and 4 for sandwiching and scraping a grain culm, are provided on the front side of an auger case 2 having a scraping auger 1 for collecting the harvested grain culm. A combine grain harvesting device characterized by being configured to be switchable to a picking up posture in which it is deployed about 90 degrees around the deployment axes 5 and 6 in the direction along the loading direction to pick up grain culms.