• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A multi-drum threshing mechanism comprises a threshing drum (22) which cooperates with a threshing concave (34), an overshot conveyor drum (26) with axially and circumferentially distributed tines (72) for conveying the crop and a Downstream of the conveyor drum (26) 10 arranged separation drum (28) which interacts with a separation basket (36). Wiper elements (84) upstream of the inlet area of the separating basket (36) each engage in the space between axially adjacent prongs (72) of the conveyor drum (26).
    公开号:BE1021663B1
    申请号:E2013/0154
    申请日:2013-03-11
    公开日:2015-12-23
    发明作者:Armin Rosche；Lutz Bischoff；Wolfgang Hess；Volker Fuchs
    申请人:Deere & Company；
    IPC主号:
    专利说明:

    cylinder threshing mechanism
    Beschreibunq
    The invention relates to a Mehrtrommeldreschwerk with a threshing drum, which cooperates with a concave, arranged downstream of the threshing drum, oberschlachtig acting conveyor drum with axiai and urn circumferentially distributed tines to promote the crop and a downstream of the conveyor drum arranged separating drum, which cooperates with a separating basket.
    State of the art
    Multi-drum blanks of the type mentioned above are known, for example, from DE 100 64 473 A1 and DE 10 2007 031 807 A1. These multi-drum threshing mechanisms comprise a threshing drum, a top-loading conveyor drum and a separating drum. The threshing drum operating in the tangential flow principle threshes the crop and already separates a larger proportion of grain from the crop by means of a threshing basket assigned to it. Due to the working slaughtering the crop is fed with a relatively large deflection radius of the separation drum, which also operates in Tangentialflussprinzip and in cooperation with a separating basket for depositing further, remaining after the threshing in the straw mat grain.
    Aufqabe the Erfinduna
    In the mentioned Mehrtrommeldreschwerken a relatively high distance between the delivery region of the conveyor drum and the inlet region of the Abscheidermommel is provided. The inlet gap of the separating drum must therefore be sufficiently large in order to be able to absorb the com straw mixture without problems. Therefore, the com straw mixture is in the inlet region of the deposition drum in a relatively low density, which makes the deposition of Kom there difficult. Although it would be possible to set the delivery range of the conveyor drum closer to the separation drum, in practice, however, winding problems are involved, since the conveyor drum then tends to fördem the crop with it unterschlachtig.
    The problem underlying the invention is seen in a
    To provide Mehrtrommeldreschwerk that allows a sufficiently close positioning of the delivery area of the conveyor drum to the inlet region of the Abscheidreme drum, but in which winding problems of the conveyor drum can be avoided.
    This object is achieved according to the invention by the teaching of claim 1, wherein in the other claims features are listed, which further develop the solution in an advantageous manner. Lösuna
    A multi-drum thresher mechanism comprises a threshing drum cooperating with a concave, a top-loading conveyor drum arranged axially downstream of the thresher drum for conveying the crop and a separation drum arranged downstream of the conveyor drum cooperating with a separation basket. The scraper elements upstream of the inlet area of the separating basket each engage in the intermediate space between adjacent tines of the conveyor drum in the axial direction.
    In this way, the grain-straw mixture is forcibly lifted by the scraper elements on the delivery side of the conveyor drum, so that winding problems of the conveyor drum can be avoided. As a result, the delivery region of the conveyor drum can be set sufficiently close to the inlet region of the separation drum and the inlet gap of the separation drum can be reduced, which improves the local deposition.
    Preferably, the conveyor drum comprises a plurality of spaced from each other in the axial direction conveyor discs, by whose circumference the tines are filed ver. The tines of adjacent conveyor discs are arranged in particular angularly offset relative to each other, so that the tips of the tines of the conveyor drum lie on an imaginary coil. The prongs may be triangular and circumferentially symmetrical about a radial centerline, although any other shapes would be conceivable.
    Between adjacent conveyor discs expediently spacer rings are arranged. The conveyor discs may comprise a central opening which engages positively on a non-circular cross-section region of a shaft. Clamping rods can extend through eccentric openings in the conveyor discs and the spacer rings and clamp and fix the conveyor discs and the spacer rings in the axial direction.
    Spacer elements are preferably arranged between adjacent scraper elements, while clamping rods extend through openings in the scraper elements and the spacer elements and clamp the scraper elements and the spacer elements in the axial direction and fix them to one another.
    Finally, it is proposed to attach finger rakes to the inlet area and / or outlet area of the separating basket, while the separating basket is provided with scraper bars in its middle area.
    Ausführunasbeispiel
    In the drawings, a Ausführungsbeispiei invention described in more detail below is shown. It shows:
    In the drawings, an embodiment of the invention described below is shown. It shows:
    1 is a schematic side view of a combine harvester with a multi-drum thresher,
    2 is a perspective view of the conveyor drum of Mehrtrommeldreschwerks,
    Fig. 3 is a perspective view of the conveyor drum in the extended state, and
    Fig. 4 is a rear, exploded view of the stripper of the conveyor drum.
    1 shows a self-propelled harvester 10 with a frame 12 which is supported by driven front wheels 14 and steerable rear wheels 16 on the ground and is moved away from them. The wheels 14 are not shown by means
    Drive means rotated to drive the combine 10, e.g. Directional information, such as front and rear, refer to the direction of travel V of the combine harvester 10 in the harvesting operation.
    At the front end portion of the combine harvester 10, a harvesting device 18 in the form of a cutting unit is detachably connected to harvest harvested crops in the form of grain or other threshable culottes from the field during harvesting operation and feed them up and back by a chute 20 to a multi-drum threshing unit. which - arranged one behind the other in the direction of travel V - comprises a threshing cylinder 22, a stripping drum 24, a conveyor drum 26 working at the top, a separating drum 28 and a discharge conveyor 30. Downstream of the discharge conveyor 30 is a straw walker 32. The threshing drum 22 is surrounded by a concave 34 in its lower and rearward regions. Above the conveyor drum 26 is a fixed cover and below the Abscheidetrommel 28 a separating basket 36 with adjustable finger elements. Below the unterzuschächtlich promotional discharge conveyor 30, a separation grate 38 is arranged. A scraper 35 is on the discharge side below the conveyor drum 26 upstream of the inlet region of the separation drum 28. The separating basket 36 is equipped in its central region with conventional squeegee blades 37 and in its inlet and outlet areas with finger rake 39.
    Below the multi-drum thresher is a front conveyor floor 40. A rear conveyor floor 42 is disposed below the straw walker 32. The conveying trays 40, 42 transport the mixture of comminone, short straw and chaff from the concave 34, the separating basket 46 and the separating grate 38 and from the straw shaker 32 to a cleaning device 46. Grain cleaned by the cleaning device 46 is fed by means of a grain screw 48 to an elevator (not shown) who transported it to Komtank 50. A cross auger 52 returns unmanaged ear parts through another elevator, not shown, back into the threshing process. The chaff may be ejected at the rear of the screen by a rotating chaff spreader, or it may be discharged through a straw chopper (not shown) disposed downstream of the straw shaker 32. The cleaned grain from the grain tank 50 may be unloaded by a discharge system with cross augers 54 and a discharge conveyor 56.
    Said systems are driven by an internal combustion engine 58 and controlled and controlled by an operator from a driver's cab 60. The various devices for threshing, conveying, cleaning and separating are located within the frame 12. Outside the frame 12 there is an outer shell, which is largely hinged.
    The conveyor drum 30 is shown in Figure 2 in a perspective view. It comprises a number (in the illustrated embodiment 27) conveyor discs 66, which are arranged on a central, rotatably driven shaft 68 and held by circular cylindrical spacers 70 spaced from each other. The conveyor discs 66 each include five tines 72 distributed about their circumference, although more or fewer tines 72 could be used. The prongs 72 are triangular with radially aft tips and circumferentially symmetrical about a radial centerline. The tines 72 of adjacent conveyor discs 66 are arranged angularly offset relative to each other, so that the outer tips of the tines 72 of the conveyor drum 26 each lie on one of a total of five imaginary coils.
    It can be seen from the exploded illustration in FIG. 3 that the shaft 68 has a non-circular cross-section in its (in the installed state of conveyor discs 66 and spacers 70 occupied) central region 74, which is here hexagonal and also any other number Could have corners. The conveyor discs 66 each include a matching, central opening which bears against the region 74 in a form-fitting manner, so that the conveyor discs 66 are rotationally fixed in the circumferential direction to the region 74 of the shaft 68. The fixation in the axial direction of the shaft 68 is effected by tie rods 76, which extend axially through openings in the conveyor discs 66 and the spacer rings 70 and are fixed to end plates 78 on both ends of the shaft 68. The tie rods 76 are each on the outside of an end plate 78 and are fixed to the other end plate 78 by threaded bolts or nuts so that they and the conveyor discs 66 and spacers 70 are stretched and fixed in the axial direction. The end plates 78 abut in the axial direction on the outer ends of the portion 74, which has a larger diameter than the circular cylindrical end portions of the shaft 68, so that the end plates 78 can be plugged only on the circular cylindrical end portions of the shaft 68 and there also by the tie rods 76 are fixed.
    The scrapers 62 shown in an exploded position in FIG. 4 include tongue-shaped scraper elements 84 which are also secured to tie rods 80 which extend through openings in the scrapers 62. Between adjacent scraper elements 84 spacers 82 are arranged, which are also provided with openings through which the tie rods 80 extend. Again, the tie rods 80 are fixed by threaded screws or nut, whereby the Abstreiferelemente 84 and the spacers 82 are clamped in the axial direction.
    The conveyor discs 66 and / or the Abstreiferelemente 84 and / or the spacers 70 and / or the spacer elements 82 are preferably made of plastic. On the one hand, this material is light and, on the other hand, resistant to wear. A suitable plastic is made of ultra-high molecular weight polyethylene (UHMW-PE). Such plastic has a rather low coefficient of friction, which reduces the straw damage. The tie rods 76, 80 and the shaft 68, however, are usually made of steel.
    The conveyor discs 66 are spaced from each other by the spacer rings 70. Between the tines 72 adjacent adjacent conveyor discs 66 each engage a scraper element 84 a. Recesses 86 formed at the lower end of the wiper elements 84 correspond in their diameter to the spacer rings 70, so that they can be arranged at a very small distance from the spacer rings 70 or even abut it.
    The scraper elements 84 lift the Emtegut output side out of the conveyor pulleys 66 and prevent unwanted winding of Emteguts to the conveyor drum 26. By this MalJnahme the delivery region of the conveyor drum 26 set sufficiently close to the inlet region of the Abscheidetrommel 28 and the inlet gap of the Abscheidetrommel 28 relative to the State of the art are reduced, which improves the deposition of Kom in the inlet region of the separation drum 28. For this purpose, the finger rake 39 serve at the inlet and outlet region of the separation grid 36th
    Due to the modular design of the conveyor drum 26 of conveyor discs 66, spacers 70 and tie rods 76 and the scraper 62 of scraper elements 84, spacers 82 and tie rods 80 possibly damaged components can be easily replaced or repaired.
    权利要求:
    Claims (10)
    [1]
    claims
    Multi-drum thresher with a threshing cylinder (22), which cooperates with a concave (34), a downstream of the threshing drum (22) arranged oberschlächtig acting conveyor drum (26) with axially and circumferentially distributed tines (72) for conveying the crop and a separating drum (28) arranged downstream of the conveying drum (26) and cooperating with a separating basket (36), characterized in that scraper elements (84) located upstream of the inlet region of the separating basket (36) each extend into the space between adjacent tines (72 ) engage the conveyor drum (26).
    [2]
    2. Mehrtrommeldreschwerk according to claim 1, characterized in that the conveying drum (26) comprises a plurality of spaced apart in the axial direction conveyor discs (66), by whose circumference the prongs (72) are distributed.
    [3]
    3. multi-drum thresher mechanism according to claim 2, characterized in that the prongs (72) of adjacent conveyor discs (66) are arranged angularly offset relative to each other, so that the tips of the prongs (72) of the conveyor drum (26) lie on an imaginary helix.
    [4]
    4. multi-drum thresher mechanism according to claim 2 or 3, characterized in that the prongs (72) are triangular and symmetrical in the circumferential direction to a radial center line.
    [5]
    5. multi-drum thresher mechanism according to one of claims 2 to 4, characterized in that between adjacent conveyor discs (66) spacer rings (70) are arranged.
    [6]
    6. multi-drum thresher mechanism according to one of claims 2 to 6, characterized in that the conveyor discs (66) comprise a central opening which rests positively on a non-circular cross-section having region (74) of a shaft (68).
    [7]
    7. multi-drum thresher mechanism according to claim 6, characterized in that clamping rods (76) extend through outermost openings in the conveyor discs (66) and the spacer rings (70) and the conveyor discs (66) and the spacer rings (70) clamp in the axial direction and fix ,
    [8]
    8. multi-drum thresher mechanism according to one of the preceding claims, characterized in that between adjacent Abstreiferelementen (84) each spacer elements (82) are arranged, and the clamping rods (80) through openings in the Abstreiferelementen (84) and the spacer elements (82) and extend the scraper elements (84) and the spacer elements (82) clamp in the axial direction and fix each other.
    [9]
    9. multi-drum thresher mechanism according to one of the preceding claims, characterized in that at the inlet region and / or outlet region of the separating basket (36) finger rake (39) are arranged, while the Abscheidekorb (36) is equipped in its central region with scraper blades (37).
    [10]
    10. Mahdrescher (10) with a multi-drum thresher mechanism according to one of the preceding claims.
    类似技术:
    公开号 | 公开日 | 专利标题
    EP0522268B1|1996-01-03|Axial separator
    EP0522267B1|1995-08-09|Axial separator
    EP0521280B1|1995-08-09|Axial separator
    DE2462568A1|1977-10-20|THRESHING MACHINE, IN PARTICULAR COMBINE
    EP2810549B1|2018-01-10|Combine harvester
    DE102012210649B4|2018-01-11|Tangential threshing unit with a conveyor drum and a threshing or separating drum
    EP0514820B1|1996-09-25|Tooth, holder, tooth attachment device and axial separator
    EP2457434B1|2013-06-26|Concave with at least one deconstructable insert
    BE1021663B1|2015-12-23|cylinder threshing mechanism
    EP2327290A2|2011-06-01|Concave for a tangential threshing unit
    EP2014149B1|2010-03-03|Removal drum for a multi-drum thresher
    EP3075226B1|2018-04-18|Threshing or separating basket with at least one deconstructable insert
    DE102011000426A1|2012-08-02|Dreschwerk of a combine harvester
    DE102013226436B4|2022-03-03|Feederhouse for a combine harvester
    DE2713502C2|1986-11-13|Harvester
    EP3420803B1|2020-07-29|Threshing or separating concave for grain harvesting
    DE102011083059B4|2022-01-20|Threshing mechanism with an undershot delivery conveyor
    BE1021334B1|2015-10-30|COMBINE WITH A NACHDRESCHEINRICHTUNG ARRANGED BETWEEN THE DRESCHEINRICHTUNG AND CLEANING
    EP3308623A1|2018-04-18|Combine harvester with straw chute and straw conveyor
    DE102016202324A1|2017-08-17|Length-adjustable screw conveyor assembly for a combine harvester
    BE1023767A1|2017-07-14|Conveying disc for a conveying rotor for crop conveying in an agricultural harvester
    WO2015043565A1|2015-04-02|Harvesting device for harvesting maize or other cereals
    DE102018219864B3|2020-02-13|Combine harvester with a auger assembly
    DE102013202050A1|2014-08-07|Threshing machine with a turning drum and a stripper roller
    DE102015208984A1|2016-11-17|Tangential threshing unit with a conveyor drum and a threshing or separating drum
    同族专利:
    公开号 | 公开日
    DE102012204416B4|2022-01-20|
    DE102012204416A1|2013-09-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE552694C|1928-01-19|1932-06-15|Albert Douilhet|Harvester|
    DE1199594B|1962-02-08|1965-08-26|Vyzk Ustav Zemedelskych Stroju|Separator for separating grain from chopped grain|
    DE10064473A1|2000-12-22|2002-07-11|Deere & Co|Threshing device with a conveyor drum with an overshot effect|
    DE102007031807A1|2007-07-07|2009-01-08|Deere & Company, Moline|Separating drum for a multi-drum threshing mechanism|
    DE10131239A1|2001-06-28|2003-01-16|Deere & Co|rotor|DE102013223052A1|2013-11-13|2015-05-13|Deere & Company|Method for connecting two workpieces, composite workpiece and conveyor equipped therewith|
    DE102014225898A1|2014-12-15|2016-06-16|Deere & Company|Conveying disc for a conveyor rotor of an agricultural harvester|
    DE102016217609A1|2016-09-15|2018-03-15|Deere & Company|Combine harvester with straw chute and straw conveyor|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102012204416.7A|DE102012204416B4|2012-03-20|2012-03-20|multi-drum threshing|
    DE102012204|2012-03-26|
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