• 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:
    The invention relates to a feed device for a chopping device of a forage harvester with lower stationary feed rollers (8, 10) and vertically movable upper feed rollers (12, 14) mounted on rockers (18, 22) which, during operation, move downwards towards the lower feed rollers (8 , 10), the force of the feed roller (14) directly adjacent to a chopping drum (4) is generated by at least one hydraulic cylinder (5) which is hinged directly to the rocker (18) of this feed roller (14) and which is connected via the entire Auslenkbe movement of the feed roller (14) is subjected to a constant hydraulic pressure.
    公开号:BE1022156B1
    申请号:E2014/0146
    申请日:2014-03-07
    公开日:2016-02-19
    发明作者:Christoph Oliva；Stefan Rothmund；Robert Kaplan
    申请人:Claas Saulgau Gmbh；
    IPC主号:
    专利说明:

    Retracting device for a Hückseleinrichtung a Feldhackslers
    The invention relates to a feeder device for a latch device of a field chopper according to the preamble of patent claim 1.
    From DE 195 39 143 B4 is a feeder device for forage harvester with arranged in the feeder lower and höhenbeweglich on swing gelageden upper feed rollers, which are pressed down in operation in the direction of the lower feed rollers, the pressure on one or more obéré feed rollers down is generated with one or more hydraulic cylinders, wherein the working pressure is regulated to a predetermined desired value. The desired pressure value can be preselected manually or controlled by an automatic load and / or crop depending. As a result, the upper rollers are pressed even with changing layer thicknesses of Erntegutmatte with a constant force in the direction of the lower pre-compression rollers and it is achieved under all conditions Einsatzsatz optimal pre-pressing.
    By connecting a hydraulic cylinder to the rocker in the area between the bearing points of the feed rollers, the different Presskràf- te the front and rear feed rollers of this mass system to oscillate around the pivot point of the hydraulic cylinder around.
    The object of the invention is to provide a less vibration-prone collection device.
    This object is achieved erfindungsgerr ^ by the characterizing features of claim 1.
    In a feeder device according to the invention, an undesired vibration excitation of the upper feed rollers is advantageously avoided by the direct connection of a hydraulic cylinder to the rocker of the rear feed roller.
    Further features and advantages emerge from the dependent claims in conjunction with the description.
    Hereinafter, the features of the present invention will be explained in more detail by means of preferred embodiments. In the accompanying schematic drawings shows that
    Fig. 1 a erfindungsgerr ^ e feeder device to a Hackslergehause on-built in a side view and
    Fig.2 represents the Krafteverhaltnisse on a rocker.
    The chopping device shown in FIG. 1 consists essentially of a chopper drum 4 arranged in a hacksler housing 2 and a retraction housing 6 and is usually arranged in the front region between the front wheels of a self-propelled forage harvester (not shown). The Hackseleinrichtung is on the Einzugsgehàuse 6 crop, such as grass, maize o.à. fed, which cut from the chopping drum 4 into small pieces - i. Chopped - and ejected via a discharge chute shown broken off to the top.
    In which attached to the Hackslergehause 2 Einzugsgehause 6 lower feed rollers 8, 10 and obéré feed rollers 12, 14 are rotatably mounted. The upper feed rollers 12, 14 are rotated by a drive, not shown, and push the - crop formed between the upper and lower feed rollers to a Ern tegutmatte - crop to the chopping drum. 4
    Thus, the feed rollers can adapt to different Erntegutmengen nen, the upper feed rollers 12, 14 are mounted vertically movable on wings 18, 22, while the lower feed rollers 8, 10 are arranged stationary.
    The first rocker arms 18, to which the chopper drum 4 is directly adjoined - rear - feed roller 14 are rotatably mounted at pivot points 16 on both sides of Einzuasaehàuses 6 aelaaert. At Laaerstellen 26 of the first
    Swing 18 are further swinging arms 22 rotatably articulated, which have at the side facing away from the chopper drum 4 end bearing 24 for the further removed from the chopping drum - front - feed roller 12. The shafts of the upper feed rollers 12,14 can due to the articulated coupling in slots 28 and 30 inde pendent of each other between lower and upper An-beat up and down move. As a result of this deflection movement, the opening width between the lower feed rollers 8, 10 and upper feed rollers 12, 14 is changed and adapted to differently sized crop flows or quantities. The pivot point (s) 16 of the first rocker arm 18 is or are arranged in a height-moderately positioned approximately midway between the lowermost and uppermost deflections of the rocker arm 18, i. almost in the middle of the entire deflection region, whereby the rear feed roller 14 always assumes an ideal distance from the chipper drum 4 via the deflection region.
    On the wings 18 of the rear feed roller 14 hydraulic cylinders 5 are articulated directly to the freibewegli-chen ends, which are acted upon by hydraulic lines 7 with hydraulic fluid. The hydraulic cylinders 5 could also be articulated in the region of the bearing points 26 to the wings 18. It is crucial in this context that the hydraulic cylinders 5 are not connected indirectly via further rotatable Hebei or handlebars, but directly - al-so-directly - are coupled to the swingarms 18.
    For loading the hydraulic cylinder 5 with hydraulic fluid, the hydraulic lines 7 are preferably connected to a hydraulic pressure system of the field chipper - symbolized by a hydraulic pump 11 and associated tank.
    The hydraulic pressure is adjusted so that the hydraulic cylinders 5 exert a force which is greater than a force which the rear feed roller 14 tries to lift off the crop. This force is composed of the supporting force of the drive torque of the feed rollers and a component of the steering force.
    FIG. 2 shows the forces on a rocker arm 18 of the rear upper draw-in roller 14. In the left area, the rocker 18 is shown undeflected, i. with minimum opening between the upper and lower feed rollers. The left-handed force FE represents the force that the harvest-gutstrom opposes its entry into the Hackseleinrichtung. This force FE causes at the bearing point 26 of the rear feed roller a reaction force FR, which is supported by a steering force F of the rocker 18 at the pivot point 16. The vertical component of this steering force FL is directed upwards and lifts the feed roller from the crop. Between the illustrated minimum Auslen-kung the rocker 18 and a deflection in which the bearing point 26 of the feed roller 14 is just below the pivot point 16 (dash-dotted line), this force component is directed upward.
    From a deflection angle of the rocker 18, in which the bearing 26 is located above the pivot point 16 (dotted line), the vertical force component Fv - as shown in the right portion of Figure 2 - directed downward and presses the feed roller 14 down ,
    Thus, the vertical force component Fv which pushes the feed roller upwards, with minimum opening width of the feed rollers, i. when the rocker 18 abuts against the lower stop, largest and decreases with increasing deflection, i. increasing opening width of the feeder (thicker Ergutgutmatte) and turns down their direction as soon as the bearing 26 is deflected over the height of the pivot point 16. With further increasing deflection or opening of the intake nip increases the vertical force component and thus increases the pre-pressing force.
    The hydraulic pressure is dimensioned as a function of the effective piston surface of the hydraulic cylinder 5 so that they generate a force which corresponds to at least the sum of the maximum lifting force Fv and the supporting force of the driving torque. To ensure that even with the smallest opening width of the feed rollers, i. if the rocker 18 abuts the lower stop, a minimum pressing force acts, this sum is still preferably added about 1000 Newton ·. Depending on the application, this value can also be set higher, e.g. 1000 to 3000 Newtons. The hydraulic pressure thus determined is according to the invention over the entire deflection range of the rocker 18, i. kept approximately constant over the entire changing opening width.
    As a result, the lifting force Fy is advantageously counteracted simply because the counterforce generated by the hydraulic cylinders is easily adjustable and does not increase over the Auslenkweg the rocker 18, but remains the same. Since even a relatively small counterforce is sufficient, it exerts no significant influence in the upper deflection range and does not interfere in this area.
    When generating the counter force with a spring, the spring constant would have to be selected so that even in the lower position of the rocker 18 sufficient force acts and this would increase over the deflection and exert a negative influence in the upper region.
    The hydraulic cylinders or their piston surfaces are preferably selected such that the required force is generated when connected to a low-pressure system of the field chopper, with an exemplary hydraulic pressure of approximately 25-30 bar. This can advantageously be dispensed with an additional pressure control device and an elaborate control and / or regulating system.
    Preferably, the hydraulic cylinders are out as a single-acting pull cylinder, which pull the rockers 18 at its free end down. The cylinder air is hinged at the bottom of the feeder housing and the piston rod is connected to the rocker 18. In a pull cylinder, the piston ring area, which has been reduced by the piston rod cross-section, is pressurized.
    Thus, the rocker 18 - in the case of throughput fluctuations - can escape suddenly abruptly, in the hydraulic line 7 is provided with a gas pressure pre-strained diaphragm accumulator 9, which can absorb the hydraulic fluid displaced thereby from the hydraulic cylinder quickly. For generating the pressing force on the front feed roller 12 tension springs 13 are provided on both sides. Instead of the tension springs 13 alternatively Hydraulikzy-Linder or other means of force can be provided. Preferably, the springs or alternative force means are articulated to the rocker 22 as close as possible to the axis of rotation of the feed roller 12.
    The force means provided on the front feed roller 12 and the rockers 18, 22 are arranged so that the force exerted by the force forces exert no effect on the rear feed roller 14.
    Preferably, the rocker 22 is performed on one side of the feed rollers 12, 14 in the form of a Getriebegehàuses, in which drive elements for transmitting the drive forces for the feed rollers are arranged.
    As an alternative to the exemplary embodiment shown in FIG. 1 with four feed rollers, a feed device according to the invention can also have six feed rollers. In this case, three fixed lower feed rollers and three obéré vertically movable driven feed rollers are provided. The rear feed roller is mounted analogously to the illustrated embodiment on a first rocker and at a further hingedly connected to the first rocker another rocker two other feed rollers are arranged one behind the other. The pressing force on the rear feed roller is generated analogously to the described embodiment. The VorpresskrÜfte acting on the front feed rollers are generated by means of force (spring or hydraulic cylinder), which are preferably hinged to the axis of rotation of the foremost feed roller.
    An essential core of the invention is to be seen in reducing the vibrational ability of the rear feed roller. This is essentially achieved by connecting a force element directly to a movable rocker of the feed roller, whereby one degree of freedom is less present than in the device known from the prior art and by arranging a hydraulic cylinder as a non-resilient force element ,
    This simple measure on the rear feed roller achieves an advantageous settling of all roller movements of a feed device according to the invention. A corresponding vibration-calming measure on a front roller is much more complicated, since the front feed rollers must be acted upon with increasing pitch with increasing pitches. Since these forces are much grever than at the rear feed roller and larger Kraftzylin must be provided in addition to a force control.
    LIST OF REFERENCE NUMBERS 2 Hackslergehause 4 Hàckseltrommel 5 hydraulic cylinder 6 feed housing 7 hydraulic line 8 feed roller 9 diaphragm accumulator 10 feed roller 11 hydraulic pump 12 feed roller 13 tension spring 14 feed roller 16 pivot point 18 rocker 22 rocker 24 bearing 26 bearing 28 slot 30 slot
    Fe force of crop flow
    For reaction force
    Fl steering power
    Fv vertical force component, lifting force
    权利要求:
    Claims (5)
    [1]
    claims
    1. Retracting device for a Häckseleinrichtung a forage harvester with lower stationary feed rollers (8, 10) and höhenbeweglich on wings (18, 22) gelageden upper feed rollers (12, 14) which in operation down in the direction of the lower feed rollers (8 , 10), thereby prepressing a crop stream and feeding it to a chopper drum (4) of the chuck, wherein at least one of the upper chucks (12, 14) is pushed down by the force generated by one or more hydraulic cylinders (5), characterized in that the force of one of the chopping drum (4) directly adjacent feed roller (14) with at least one hydraulic cylinder (5) is generated, which is articulated directly to the rocker (18) or the rockers of this feed roller (14) and / or the hydraulic cylinder or cylinders (5) is / are subjected to a constant hydraulic pressure over the entire deflection movement of the feed roller (14).
    [2]
    2. Feed device according to claim 1, characterized in that the hydraulic cylinder or cylinders (5) via hydraulic lines (7) is connected to a low-pressure hydraulic rauliksystem the forage harvester / are.
    [3]
    3. Feed device according to one of the preceding claims, characterized in that the one or more hydraulic cylinders (5) is connected to at least one gas pressure-biased diaphragm accumulator (9) is / are.
    [4]
    4. Feed device according to one of the preceding claims, characterized in that the one or more hydraulic cylinders (5) is designed as a single-acting pull cylinder / are.
    [5]
    5. Feed device according to one of the preceding claims, characterized in that the farther away from the H Hckseltrommel (4) arrange angeordne te feed roller (12) is pressed by means of spring force downwards in the direction of a lower feed roller.
    类似技术:
    公开号 | 公开日 | 专利标题
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    DE456226C|1928-02-18|calender
    DE569388C|1933-02-02|Wood grinder with several individual presses
    DE1923779A1|1971-06-09|Device for the automatic control of the ground speed of a harvesting machine provided with a pick-up device, a platform and a processing device by scanning the torque of a rotating part of the machine
    同族专利:
    公开号 | 公开日
    DE102013004274A1|2014-09-18|
    DE102013004274B4|2015-08-20|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE9107689U1|1991-06-21|1991-09-19|Claas Saulgau Gmbh, 7968 Saulgau, De|
    DE19539143A1|1995-10-20|1997-04-24|Claas Ohg|Automatically adjustable straw compression rollers for baling machine|
    DE29616473U1|1996-09-21|1996-11-28|Weis Burkhard|Stone detector for agricultural equipment|
    EP2123146A1|2008-05-20|2009-11-25|CNH Belgium N.V.|Feed roll control system for a forage harvester|
    DE19844894A1|1998-09-30|2000-04-06|Claas Selbstfahr Erntemasch|Adjustment device of an agricultural harvester|DE102014118435B4|2014-12-11|2017-03-16|Claas Saulgau Gmbh|spring means|
    DE102016107360A1|2016-04-20|2017-10-26|Claas Saulgau Gmbh|Feed device for a forage harvester|
    BR102016025547A2|2016-11-01|2017-03-01|Indústrias Reunidas Colombo Ltda|mincer module|
    DE102017111172A1|2017-05-22|2018-11-22|Claas Saulgau Gmbh|infeed|
    CN107455100A|2017-08-04|2017-12-12|安徽吉乃尔电器科技有限公司|It is a kind of small-sized from feeding stalk crasher|
    DE102017121400A1|2017-09-14|2019-03-14|Claas Saulgau Gmbh|Feed-in of a forage harvester and method of operating the same|
    DE102017121941A1|2017-09-21|2019-03-21|Claas Saulgau Gmbh|Feed-in of a forage harvester|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102013004274.7A|DE102013004274B4|2013-03-13|2013-03-13|Feed device for a chopper of a forage harvester|
    DE130042747|2013-03-13|
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