JP2013009654A - Reaping device for general-purpose combine harvester - Google Patents

Abstract

An object of the present invention is to prevent a part of a harvested crop from being entangled with a support arm of a reel type scraping device in a general-purpose combine so that a harvesting operation can be continued for a long time.
A horizontal cutting blade device (16) for horizontally cutting a planted crop, a scraping reel (18) for scraping the planted crop at a position above the horizontal cutting blade device (16), and the horizontal cutting blade A cutting auger (20) that is pivoted between the left and right support frames (15) on the rear side of the device (16) and conveys the harvested crop is provided in the pre-cutting processing device (13), and the horizontal cutting blade device ( 16) In a general-purpose combine mowing device provided with a vertical mowing blade device (5) for dividing a planted crop in a vertical direction at a lateral end position in the mowing action area of 16), the above-mentioned scooping reel (18) is supported. A plate-like shield (36) extending from the reel support arm (19) to the inside of the support frame (15) is provided.
[Selection] Figure 2

Description

  The present invention relates to a general-purpose combine capable of efficiently and smoothly harvesting a strong tangled crop planted without lining such as rapeseed.

  As a general-purpose combine mowing device, a horizontal cutting blade device that cuts planted crops in the horizontal direction, and a reel-type scraper that scrapes the planted crops by rotating a scraping lug above the horizontal cutting blade device. Japanese Patent Application Laid-Open No. 2004-228688 describes a vertical cutting blade device that includes a device and that is provided with a vertical cutting blade device that divides planted crops in a vertical direction at a position of a lateral end portion in a cutting action area of the horizontal cutting blade device.

JP 2010-104329 A

  The general-purpose combine described in Japanese Patent Application Laid-Open No. 2010-104329 is a method of cutting a crop horizontally with a horizontal cutting blade device while scraping the crop with a reel type scraping device, and vertically setting a crop planted with a vertical cutting blade device. Although the cutting is divided into the already cut and uncut sides, the cut crops on the already cut side are entangled and accumulated on the support arm of the reel type scraper, and the cutting operation cannot be continued for a long time.

  Therefore, an object of the present invention is to prevent a part of the harvested crop from being entangled with the support arm of the reel type scraping device in a general-purpose combine so that the harvesting operation can be continued for a long time.

The problems of the present invention are solved by the following technical means.
The invention described in claim 1 includes a horizontal cutting blade device (16) for horizontally cutting a planted crop, and a scraping reel (18) for scraping the planted crop at a position above the horizontal cutting blade device (16). The pre-cutting device (13) includes a scraping auger (20) that is pivoted between the left and right support frames (15) on the rear side of the horizontal cutting blade device (16) and conveys the harvested crop, In a general-purpose combine mowing apparatus provided with a vertical mowing blade device (5) for dividing a planted crop in a vertical direction at a lateral end position in a mowing action area of the horizontal mowing blade device (16), A general-purpose combine reaping device is provided with a plate-like shield (36) extending from the reel support arm (19) supporting 18) to the inside of the support frame (15).

The invention according to claim 2 is the general-purpose combine harvesting device according to claim 1, wherein the shield (36) is a flexible sheet.
In the invention according to claim 3, the vertical cutting blade device (5) is reciprocated up and down facing the fixed blade (1) standing on the inner side of the support frame (15) and the outer side of the fixed blade (1). It is set as the general purpose combine harvester of Claim 1 or Claim 2 comprised with the movable vertical cutting blade (2) which slides.

  According to a fourth aspect of the present invention, the movable main cutting blade (4) and the movable vertical cutting blade (2) constituting the horizontal cutting blade device (16) are branched from the cutting blade drive case (7) and driven. The general-purpose combine harvester according to claim 1 or claim 2 or claim 3 configured.

  According to a fifth aspect of the present invention, a driving force is input to the cutting blade drive case (7) from an auger main shaft (46) that pivots the scraping auger (20) between the left and right support frames (15). It is set as the structure, It is set as the harvesting apparatus of the general purpose combine of Claim 4 characterized by the above-mentioned.

  According to the first aspect of the present invention, the open portion formed between the reel support arm 19 and the support frame (15) is closed by the shield (36) and divided by the vertical cutting blade device (5). It is possible to prevent the crop from being entangled with the reel support arm (19), and it is possible to prevent the crop from entering the pre-cutting device (13) from the side of the pre-cutting device (13).

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, a gap is hardly formed between the shield (36) and the support frame (15), and the blade is cut by the horizontal cutting blade device (16). It is possible to prevent the harvested crops from being scattered outside the pre-cutting processing device (13).

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or claim 2, the movable vertical cutting blade (2) faces the outside of the fixed blade (1), thereby reciprocating up and down. With the sliding movable vertical cutting blade (2), it is possible to efficiently cut the cereal tangled around the harvested culm of the horizontal cutting blade device (16) from the uncut ground side which is the outer side of the combine body, The driving load of the vertical cutting blade device (5) can be reduced.

  According to the invention of claim 4, in addition to the effect of the invention of claim 1 or claim 2 or claim 3, the drive mechanism of the vertical cutting blade device (5) and the horizontal cutting blade device (16) is simplified. And the occurrence of failure can be suppressed.

  According to the fifth aspect of the invention, in addition to the effect of the fourth aspect of the invention, transmission from the auger main shaft (46) located in the vicinity of the cutting blade driving case (7) to the cutting blade driving case (7). By doing so, the transmission loss of the driving force to the vertical cutting blade device (5) and the horizontal cutting blade device (16) is reduced, and the vertical cutting blade device (5) and the horizontal cutting blade device (16) are reliably driven. be able to.

It is a whole side view of a general purpose combine. It is a side view of a cutting pretreatment apparatus. It is a perspective view of the drive part of a horizontal cutting blade apparatus and a vertical cutting blade apparatus. It is an expanded sectional side view of a horizontal cutting blade apparatus. It is a driving force transmission diagram of a horizontal cutting blade apparatus and a vertical cutting blade apparatus. It is another Example driving force transmission diagram of a horizontal cutting blade apparatus and a vertical cutting blade apparatus. It is another Example driving force transmission diagram of a horizontal cutting blade apparatus and a vertical cutting blade apparatus. It is a whole front view of a general purpose combine.

Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings.
As shown in FIG. 1, the general-purpose combiner has a threshing device 80 mounted on the vehicle body 12 equipped with a pair of crawlers 11, 11 on the left and right sides with the cereal supply port on the front side, and a pre-cutting processing device in front of it. 13 is provided so that a series of cutting and threshing operations can be performed. And the threshing device 80 is a whole-powder throwing type configuration that puts all of the harvested cereal into the handling room, and is a general-purpose combine threshing device in which the handling room is arranged on the upper side and the sorting room is arranged on the lower side. It is configured.

  As shown in the drawing, the pre-cutting processing device 13 has a table 14 serving as a mounting base arranged horizontally at a low position, and provided with support frames 15 and 15 rising upward at the left and right ends thereof. , 15 and the table 14 are supported by attaching a horizontal cutting blade device 16 and a take-up reel 18.

  The horizontal cutting blade device 16 is provided along the front edge of the table 14 between the weed ridges 17 and 17 provided to extend forward from both front portions of the support frames 15 and 15. It is said. Then, the take-up reel 18 supports the reel support arms 19 and 19 attached to the rear upper sides of the support frames 15 and 15 on both the left and right sides by pivotally attaching the base portion so as to freely move up and down by the hydraulic cylinder 10. The reel support arms 19, 19 are configured to extend forward and to be pivotally mounted on the tip portion.

  As shown in FIGS. 2 and 8, a flexible plate-like body such as a rubber plate, a canvas, or a vinyl chloride sheet is provided below the left reel support arm 19 or from the inside of the reel support arm 19 to the inside of the left support frame 15. The shield 36 constituted by is suspended. The shield 36 prevents the crop vertically cut by the vertical cutting blade device 5 described later from jumping to the uncut side, and prevents the harvested crop from being entangled with the reel support arm 19. Foreign matter is prevented from entering the scraping reel 18 side.

  The take-up auger 20 is formed to have a length equal to the cutting width of the horizontal cutting blade device 16 and is provided in the horizontal direction, and both ends thereof are supported by bearings on the left and right support frames 15 and 15 on the horizontal axis to take in the feeder case. It has a helical finger that is provided at right and left intervals, and a spiral that acts to convey to the mouth, and the cutting finger protrudes ahead of the tip of the horizontal cutting blade device 16 to draw in the cereal, and with the rotation, the harvested cereal Are gathered on the right side of the fuselage while being scraped with spirals and scraping fingers.

  A feeder 21 for conveying the cereal to the threshing device 80 is provided at a position where the cereal auger 20 collects the cereal, and the conveyance start end portion of the feeder 21 faces the back of the rake auger 20 so that the conveyance end portion is It is configured to communicate with the cereal supply port of the threshing device 80 and to supply the chopped cereal collected by the stirrer auger 20 to the supply port of the threshing device 80 for supply.

  The vertical cutting blade device 5 is raised outside the left support frame 15 and supported by a vertical cutting blade support arm 6 extending from the left support frame 15. This vertical cutting blade device 5 is installed in front of the horizontal cutting blade device 16 and immediately behind or slightly above the inside of the weed stalk 17, and the crops to be entangled are vertically divided and taken up by the take-up reel 18. The crawler 11 does not step on uncut crops.

  As shown in FIGS. 3 and 4, the horizontal cutting blade device 16 includes the finger 3 and the movable main cutting blade 4, and the main driving side arm of the L-type driving arm 8 fixed to the output shaft 26 of the cutting blade driving case 7. 8a and the movable main cutting blade 4 are connected to swing back and forth.

  Further, the vertical cutting blade device 5 can be adjusted in position in the front-rear direction. The vertical cutting blade device 5 is composed of a fixed blade 1 and a movable vertical cutting blade 2 and is driven vertically by an L-shaped drive arm 8 fixed to the output shaft 26 of the cutting blade drive case 7. The movable vertical cutting blade 2 is reciprocally rocked by being connected to the movable vertical cutting blade 2 by the side arm 8b, the adjusting rod 23, the vertical drive arm 9, and the link 22. The movable vertical cutting blade 2 is positioned on the outer side of the machine body from the fixed blade 1, and the cutting edge of the movable vertical cutting blade 2 is set forward of the cutting edge of the fixed blade 1 so that the fixed blade 1 is not entangled with the crop.

The cutting blade drive case 7 inputs a rotational driving force by a belt 25 to an input pulley 24 fixed to the input shaft 27, converts it into forward and reverse rotation, and outputs it to the output shaft 26.
FIG. 5 is a driving force transmission diagram of the pre-cutting processing device 13, and the rotational driving force shifted from the output shaft of the engine is input to the driving pulley 29 fixed to one end of the elevator driving shaft 28, and the elevator chain of the feeder 21. 30 is driven. Then, a rotational driving force is transmitted by the chain 31 from a sprocket 38 fixed to the other end of the elevator drive shaft 28 to a sprocket 39 fixed to the relay shaft 32.

  The rotation driving force is transmitted from the relay pulley 40 of the relay shaft 32 to the auger pulley 41 of the take-up auger 20 by the auger drive belt 33, the rotation drive force is transmitted to the take-up reel 18 by the chains 34 and 35, and the output pulley 37 The rotational driving force is transmitted by the belt 25 to the input pulley 24 fixed to the input shaft 27 of the cutting blade drive case 7.

  FIG. 6 shows another embodiment of the movable vertical cutting blade 2 and the movable main cutting blade 4 driven. The auger pulley 45 fixed to the auger main shaft 46 to which the auger sprocket 41 for driving the take-up auger 20 is fixed is shown. Power is transmitted to a longitudinal drive pulley 47 fixed to the input shaft of the longitudinal drive case 48, and the movable longitudinal cutting blade 2 is driven so as to reciprocate within the longitudinal drive case 48. The longitudinal drive pulley 47 can be configured so that transmission can be interrupted by turning on and off the tension clutch.

The longitudinal drive pulley 47 can be driven from an elevator pulley (not shown) fixed to the elevator drive shaft 28.
Power is transmitted from the output pulley 37 of the relay shaft 32 to the input pulley 24 fixed to the lateral input shaft 49 of the lateral drive case 50 of the movable main cutting blade 4 so that the movable main cutting blade 4 reciprocates in the lateral drive case 50. Thus, the movable main cutting blade 4 is driven.

The rotation of the auger pulley 45 or the elevator pulley is driven at a lower speed than the rotation of the output pulley 37, and the movable vertical cutting blade 2 is driven at a lower speed than the movable main cutting blade 4.
Further, in FIG. 7 as another embodiment, the belt is transmitted from the vertical cutting blade driving pulley 42 arranged in parallel to the input pulley 24 to the input shaft 27 of the cutting blade driving case 7 to the vertical driving pulley 47 of the vertical driving case 48, and tension is applied. Transmission can be interrupted by turning clutch 51 on and off.

  The vertical drive pulley 47 has a large diameter so that the movable vertical cutting blade 2 is driven at a lower speed than the movable main cutting blade 4. The longitudinal drive pulley 47 is provided with a balance weight to suppress vibration due to crank motion.

  Note that the longitudinal drive pulley 47 can be configured so that transmission can be interrupted by turning on and off the tension clutch with a belt from a reel pulley (not shown) fixed to the reel spindle 44 of the take-up reel 18.

DESCRIPTION OF SYMBOLS 1 Fixed blade 2 Movable vertical cutting blade 4 Movable main cutting blade 5 Vertical cutting blade device 7 Cutting blade drive case 13 Cutting pretreatment device 15 Support frame 16 Horizontal cutting blade device 18 Take-up reel 19 Reel support arm 20 Take-in auger 26 Output Shaft 27 Input shaft 36 Shield 46 Auger spindle

Claims (5)

  A horizontal cutting blade device (16) for cutting a planted crop horizontally, a scraping reel (18) for scraping the planted crop at a position above the horizontal cutting blade device (16), and the horizontal cutting blade device (16) A cutting auger (20) that is pivotally supported between the left and right support frames (15) on the rear side and conveys the harvested crop is provided in the pre-cutting processing device (13), and the mowing of the horizontal cutting blade device (16) is provided. In a general-purpose combine mowing device provided with a vertical cutting blade device (5) for dividing a planted crop in a vertical direction at a lateral end position in the working area, a reel support arm (supporting the take-up reel (18)) A general-purpose combine harvesting device comprising a plate-like shield (36) extending from 19) to the inside of the support frame (15).   The general-purpose combine harvesting device according to claim 1, wherein the shield (36) is a flexible sheet.   The vertical cutting blade device (5) has a fixed blade (1) erected on the inner side of the support frame (15) and a movable vertical cutting blade (2) that reciprocates up and down facing the outer side of the fixed blade (1). The general-purpose combine harvesting device according to claim 1 or 2, wherein   The movable main cutting blade (4) and the movable vertical cutting blade (2) constituting the horizontal cutting blade device (16) are branched and driven from the cutting blade drive case (7). A harvester for general purpose combine according to claim 2 or claim 3.   The configuration is such that a driving force is input to the cutting blade drive case (7) from an auger main shaft (46) that pivots the scraping auger (20) between the left and right support frames (15). Item 5. The general-purpose combine harvester according to Item 4.

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