JP2016185093A - Combine-harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve and simplify the maintainability of a transmission mechanism of a thresher selecting part.SOLUTION: A combine-harvester comprises: a threshing counter shaft (20) positioned in front of a thresher (9) and installed on the front side of a fan (16); and a rear counter shaft (21) installed at the upper positions of first/second spiral troughs (17) and (18). From said threshing counter shaft (20), there are driven a reaping inverse input shaft (24) and a fan input shaft (26) for driving a rear counter shaft (21) and a reaping input shaft (23) reversely. From the rear counter shaft (21), there are driven first/second helical shafts (28) and (29), a rocking crank shaft (31) of a separation shelf (15), and a spreader input shaft (33) of a waste culm cutting device (19) for cutting the threshed waste column. A tension arm (36) for tensing belt drive means (30) for driving the first/second helical shafts (28) and (29) is erected on the first spiral trough (17).SELECTED DRAWING: Figure 3

Description

  The present invention relates to a combine.

  In the general-purpose combine, the technology disclosed in Patent Document 1 transmits the rotational power from the engine to the Karatsu shaft, and transmits the belt from the Karatsu shaft to the secondary Karatsu shaft, No. 2 Karatsu shaft, and the relay shaft. The chopper is driven by the belt driving means, and the No. 1 and No. 2 screw shafts are driven from the Kara shaft through the belt driving means, and the swing sorting shelf is belt-transmitted from the No. 2 screw shaft. It is configured to do.

JP 2012-60968 A

  The problem of the present invention is that the counter shaft for transmitting power to each part of the threshing device is arranged in the front and rear, and from the front counter shaft, the rear counter shaft, the cutting input shaft that reversely drives the cutting input shaft, and the Karatsu input The shaft is configured to transmit the belt independently, and from the rear counter shaft, the first and second spiral shafts, the swing crankshaft of the swing sorting shelf, and the waste cutting device for cutting the threshed waste It is an object to improve the maintainability and simplify the belt-type drive means by adopting a configuration in which the belts are independently transmitted.

  The present invention has taken the following technical means to solve the above problems.

  That is, the invention described in claim 1 is a threshing countershaft (20) which is located at the front part of the threshing device (9) and is erected on the front side of the tang (16), and the first and second spiral receiver (17) , (18), a rear countershaft (21) installed at a position above the threshing countershaft (21), a rear countershaft (21), and a reaping reverse input shaft (24) for reversely driving the reaping input shaft (23). And belt drive means (22), (25), (27) for driving the input shaft (26), and the first and second helical shafts (28), (29) from the rear counter shaft (21), Belt drive means (30), (32) for driving the swing crankshaft (31) of the dynamic sorting shelf (15) and the spreader input shaft (33) of the waste cutting device (19) for cutting the threshed waste. , (34), the first and second helical shafts (28), (29) Characterized in that the tension arm (36) to tension the belt drive means (30) are bridged number 1 helical axis (17).

  Counter shafts (20) and (21) for transmitting power to each part of the threshing device are arranged in the front and rear, and from the front counter shaft (20), the rear counter shaft (21), the cutting reverse rotation input shaft (24) and the Karatsu input Each of the shafts (26) is driven by a belt, and from the rear counter shaft (21), the first and second spiral shafts (28) and (29), the swing crank shaft (31) and the spreader input shaft (33) are provided. Since each is driven by a belt, even if a trouble occurs in any part, it can be handled independently and the maintainability is improved.

  Further, since the tension arm (36) for tensioning the No. 1 and No. 2 belts (30) is installed on the No. 1 spiral shaft (28), it is not necessary to separately provide a fulcrum shaft of the arm, and it is inexpensive. Can be implemented.

  According to a second aspect of the present invention, in the first aspect, the tension spring (37) for adjusting the tension of the first and second belts (30) includes a first spiral receiver (17) and a second spiral receiver (18). ) In the area where the first and second belts are wound.

  According to the above configuration, since the belt tension spring (37) is installed in the No. 1 and No. 2 belt winding area between the No. 1 spiral receptacle and the No. 2 spiral receptacle, it is easy to adjust the tension and perform maintenance. Can also be done easily.

  The invention according to claim 3 is the threshing countershaft (20) according to claim 1 or 2, wherein the tension arm (42) for tensioning the belt driving means (25) for driving the cutting reverse rotation input shaft (24) is provided on the threshing countershaft (20). It is characterized by being installed.

  According to the above configuration, since the tension arm (42) of the reaping reverse rotation input belt (25) is constructed using the threshing countershaft, it is not necessary to provide another fulcrum shaft and can be implemented at low cost. .

  According to a fourth aspect of the present invention, in the first, second, or third aspect, the attachment portion of the belt stopper (45) provided on the outer peripheral portion of the cutting reverse rotation driving pulley (44) is the winding of the counter belt (22). It is provided within the area of the times area.

  According to the above configuration, by providing the belt stopper mounting portion in the counter belt winding area, maintenance such as reverse input belt replacement can be easily performed.

  According to the first aspect of the present invention, the counter shaft for transmitting power to each part of the threshing device is arranged at the front and rear, and from the front counter shaft, the rear counter shaft, the cutting reverse rotation input shaft, and the red pepper input shaft are driven by belts, respectively. Since the rear counter shaft is configured to drive the 1st and 2nd spiral shafts, the swinging crankshaft, and the waste cutting device by belts, each part can be handled independently even if troubles such as clogging occur. And maintainability is improved.

  Further, since the tension arm for tensioning the No. 1 and No. 2 belts is constructed on the No. 1 spiral shaft, it is not necessary to separately provide a fulcrum shaft of the arm and can be implemented at low cost.

  According to the second aspect of the present invention, in addition to the effect of the first aspect, the belt tension spring can be wound around the first and second belts between the first and second spiral receivers. Because it is installed in the area, it is easy to adjust the tension and perform maintenance easily.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the tension arm of the reversing reverse input belt is constructed using the threshing countershaft. It is not necessary to provide a fulcrum shaft and can be carried out at a low cost.

  According to the invention described in claim 4, in addition to the effects of the invention described in claim 1, 2 or 3, the belt stopper mounting portion is provided in the counter belt winding area, so that the reverse input belt can be replaced. Etc. can be easily maintained.

Side view of general purpose combine Rear view of general purpose combine Side view of essential parts of threshing device Rear view of main part of threshing device Inside view of the barrel cover The dust guide plate at different angles is shown.

  An embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 and FIG. 2 show a general-purpose combine that harvests and harvests crop stalks such as paddy and rapeseed that grow up in the field, and has a pair of left and right traveling crawlers 2 and 2 at the bottom. On the front side of the vehicle body 1, there are a scraping reel 3 having a scraping tine for scraping the crop stalk backward, a clipper-type cutting blade device 4 for cutting the stalk after scraping, and a stalk after cutting. A pre-cutting processing unit 6 including a scraping auger 5 or the like that is scraped onto the table is provided.

  In the feeder house 7 equipped from the left side to the rear side of the pre-cutting processing unit 6, the crop stalks from the pre-cutting processing unit are inherited and transported up to the rear and supplied to the threshing device (threshing unit) 9. The feed conveyor 8 is equipped. On the right side of the feeder house 7, a driving operation unit including a driver's seat 10 and an operation box 11 is provided, and a Glen tank 12 for temporarily storing harvested products is installed behind the driving operation unit.

  In addition, on the side operation box on the side of the driver's seat 10, a cutting reversing lever 13 for reversing the pre-cutting processing unit 6 is provided. When the cutting reversing lever is operated with the cutting clutch lever turned off, the pre-cutting processing is performed. The cutting input shaft of the part reverses. For example, when a crop jam occurs in the feed conveyor 8, the crop jammed by the reverse of the feed conveyor can be fed forward and removed.

  The threshing device 9 is provided with a threshing unit 9A that accepts a cereal cereal from the pre-cutting processing unit at the upper part and threshs it at the upper part, and a sorting unit (sorting apparatus) 9B that accepts a processed product after the threshing process at the lower part. I have.

  The upper threshing section 9A is composed of a front and rear handling cylinder installed in the handling chamber, a receiving net that receives the lower part of the handling cylinder, and the like.

  In the lower sorting section 9B, a swing sorting shelf 15 that receives a threshing processed product and sorts by a swing sieve and a tang 16 capable of wind sorting are arranged below the front of the threshing section. A first spiral receiving rod 17 and a second spiral receiving rod 18 are installed below the swing sorting shelf 15.

  The rear part of the threshing device 9 receives and cuts the waste after the threshing process discharged from the discharge port at the end of the handling room and the wastes discharged from the dust discharge port at the end of the swing sorting shelf 15. An excavating and cutting device (spreader) 19 is provided.

  On the front side of the threshing device 9 is a threshing counter shaft (threshing input shaft) 20 for transmitting power to each part of the threshing device, and on the rear side is a rear counter at positions above the first and second spiral receiving rods 17 and 18. A shaft 21 is installed.

  Then, belt driving means (counter belt 22, cutting reverse rotation belt 25, driving the reverse input shaft 24 to the rear counter shaft 21, the cutting input shaft 23 from the threshing counter shaft 20 and the reverse input shaft 26 to the red pepper 16 are driven. A tang belt 27) is provided, and from the rear counter shaft 21, the first spiral shaft 28 and the second spiral shaft 29, the swing crank shaft 31 of the swing sorting shelf 15, and the spreader of the waste cutting device 19 are provided. Belt driving means (the first and second belts 30, the swing belt 32, and the spreader belt 34) for driving the input shaft 33 are provided independently.

  The arm 36 of the tension pulley 35 that tensions the first and second belts 30 is constructed to swing and displace with the first helical shaft 28 as a fulcrum. A tension spring 37 for adjusting the tension of the belt 39 by the tension pulley 35 is installed in the winding area of the first and second belts 30 between the first spiral receiving rod 17 and the second spiral receiving rod 18. doing. The tension spring 37 is composed of a compression spring, and a collar is provided in the spring. When the spring is compressed to the length of the collar, an appropriate tension is obtained.

  The reinforcing member 38 that reinforces the machine body side plate of the threshing portion is provided with a fulcrum portion Q of the counter tension arm 39 that tensions the counter belt 22 and an attachment portion of an adjustable loose pulley 40 that tensions the counter belt 22 from the inside. Yes.

  The compression spring and collar of the counter tension spring 41 can be shared with the first and second tension springs 37 by changing the arm ratio between the counter tension arm 39 and the first and second tension arms 36.

  The cutting reverse rotation tension arm 42 that tensions the cutting reverse rotation belt 25 is constructed so as to swing and displace with the threshing countershaft 20 as a fulcrum.

  By providing an inspection window 43 in the front delta zone of the first and second belts 30 below the counter belt 22, maintenance of the sorting chamber, particularly the swing sorting shelf, can be easily performed.

  A belt stopper 45 is provided on the outer periphery of the mowing reverse drive pulley 44. The stopper mounting portion 45a is provided on the side surface of the machine body within the winding area of the counter belt 22 so that the cutting reverse rotation belt can be easily replaced.

  In FIG. 3, two wind guides 47, 47 are provided in the selected wind selection path communicating with the tang 16 to form three wind paths A, B, C. The first wind path A is substantially vertical. The second air path B and the third air path C are configured to be inclined upward and rearward. From the first air passage A, the selection air rises on the start end side of the chaff sheave 48, rises from the second air passage B toward the Glen sheave 49 and the chaff sheave 48, and from the third air passage C toward the stroll rack 50. Ascending, the sorting wind reaches the entire swing sorting shelf and the sorting performance is greatly improved.

  In the embodiment shown in FIGS. 5 and 6, the inside shape of the handling cylinder cover 51 is substantially circular, and as shown in FIG. 6, when the attachment type dust exhaust guide plate 52 is provided inside the handling cylinder cover. The dust discharge guide plates 52a, 52b, and 52c with different angles can be changed according to the type of crop. According to this, the guide plate can be selectively used depending on the type of product (good or bad degranulation property), and the adaptability to the product type is improved.

9 Threshing unit (threshing device)
15 Swing sorting shelf 16 Kara 17 No. 1 spiral receptacle 18 No. 2 spiral receptacle 19 Discharge cutting device (spreader)
20 Threshing counter shaft 21 Rear counter shaft 22 Counter belt 23 Cutting input shaft 24 Cutting reverse rotation input shaft 25 Cutting reverse rotation belt 26 Karatsu input shaft 27 Karatsu belt 28 1st spiral shaft 29 2nd spiral shaft 30 Dynamic crankshaft 32 Oscillating belt 33 Spreader input shaft 34 Spreader belt 36 No.1 and No.2 tension arm 37 Tension spring 42 Mowing reverse tension arm 44 Mowing reverse drive pulley 45 Belt stopper

Claims (4)

  A threshing counter shaft (20) installed at the front of the threshing device (9) and installed on the front side of the tang (16), and installed above the first and second spiral receiving rods (17) and (18). The rear countershaft (21), the threshing countershaft (21), the rear countershaft (21), the cutting input shaft (24) for driving the cutting input shaft (23) in reverse, and the red pepper input shaft (26) are driven. Belt drive means (22), (25), (27), the rear counter shaft (21) to the first and second spiral shafts (28), (29), the swing crank of the swing sorting shelf (15) Belt driving means (30), (32), (34) for driving the spreader input shaft (33) of the shaft (31) and the waste cutting device (19) for cutting the threshed waste are provided,・ Tensioning the belt drive means (30) of the second helical shaft (28), (29) Combine, characterized in that the main routine tension arm (36) are bridged number 1 helical axis (17).   The tension spring (37) for adjusting the tension of the No. 1 and No. 2 belts (30) is wound around the No. 1 and No. 2 belts between the No. 1 spiral receptacle (17) and the No. 2 spiral receptacle (18). The combine according to claim 1, wherein the combine is installed in an area.   The tension arm (42) for tensioning the belt driving means (25) for driving the reversing reverse input shaft (24) is provided on the threshing counter shaft (20). Combine.   The attachment part of the belt stopper (45) provided in the outer peripheral part of the said cutting reverse rotation drive pulley (44) is provided in the winding area area of a counter belt (22), or Claim 2 or Claim 2 characterized by the above-mentioned. The combine according to claim 3.

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