• 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 stalk-length sensing apparatus in a harvester-thresher, has a plurality of sensors Sa, Sb, Sc disposed in juxtaposition on crop pick up 4, a mechanism to discriminate whether each of the said sensors has been shifted to sense the presence of a stalk from previous absence or has been shifted to sense stalk absence from previous presence, wherein when any particular one of the sensors has been shifted in the former manner, then the stalks that are shorter than the average center position of the said particular sensor and the sensor immediately adjacent thereto on the side of the stalk-head are sensed and when any particular one of the sensors has been shifted in the latter manner, then the stalks that are shorter than the average center position of the said particular sensor and the sensor immediately adjacent thereto on the side of the stalk-base are sensed. The cutting height of the harvester is adjusted in response to the sensed stalk length by rotation of the stalk transfer apparatus 8 about pivot fulcrum P. <IMAGE>
    公开号:SU1003736A3
    申请号:SU792839203
    申请日:1979-11-02
    公开日:1983-03-07
    发明作者:Минами Теруо
    申请人:Кубота Лтд (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to agricultural machinery, in particular to the design of combine harvesters.
    A device is known for automatically adjusting the depth of threshing for a grain-harvester 5, comprising sensors located at appropriate intervals and a til-shaped mechanism.
    Yu
    A disadvantage of the known device is the complexity of the sensors and process of installation and adjustment, and also decrease the accuracy of determining the length of the stems when operating in zaly- 15 laziness.
    The purpose of the invention is to simplify the design of the device and increase the accuracy of determining the length of the stems.
    This goal is achieved by the fact that 2 o the device is equipped with a drive for moving the stalk-transmitting mechanism, which has an electric motor, gearbox and lever mechanism, and a switching mechanism that has fixed contacts located in concentric circles and movable contacts located on the two-arm beam, the rotation axis which is located in the center of the circle, and the sensors have switches, each of their fixed contacts connected to one of the fixed contacts of the switching mechanism, laid on the outer circumference, and each of the fixed contacts of the switching mechanism located on the inner circumference is connected to the electric drive motor for moving the stem-transmission mechanism through the contacts of one of the starting relays.
    In FIG. 1 shows the front of the harvester, side view; in FIG. 2 - drive movement of the stem-transmission mechanism, side view; in FIG. 3 - the same, vertical section, front view; in FIG. 4 - electrical diagram of the device; in FIG. 5 - arrangement of sensors.
    The device includes a self-propelled chassis 1, a bearing body 2 with a threshing apparatus 3. In the front of the self-propelled chassis 1 mounted header 4, containing a cutting apparatus 5 stemblepe. a transmitting mechanism 6 with a feed chain and a drive 8 for moving the stem / e ”of the feeding mechanism 6, which, in turn, consists of an electric motor 9 with an output shaft 10, a worm-gear reducer 11, on the output: the shaft 12 of which is equipped with a switching mechanism 13, chain transmission 14 and the lever mechanism 15, and a device for determining the length of the stem 16, sensors 17, 18 and 19 of the length of the stem with switches 20, 21 and 22, respectively, and a sensor 23 for the presence of stems with a switch 24 "The switching mechanism 13 has fixed contacts 25 - 32 located e on concentric circles, and movable contacts 33 and 34, which are located on the two shoulders: rocker 3 5, the axis of rotation of which is located in the center of the circle.
    In addition, the device is equipped with a switch 36, connecting the power source of the electrical circuits, a switch 37 for selecting the operating mode - whose rocker 35 of the switching mechanism 13 clockwise to position. When the stems are in contact with the sensor 19, the contacts of its switch 22 are closed, fixing the presence of the stalk, and the power circuit of the relay 41 through the fixed contacts 27 and 31 and the movable contact 33. The relay 41 with its contacts includes power to the electric motor 9, which moves the transmitting mechanism 6 up and rotates two shoulders 3 5 counterclockwise to '
    stebpepe - one-off position, The power circuits of the relay 41 and the motor 9 open, the stem-transmission mechanism 6 stops in a position where the threshing depth corresponds to the length of the stem reaching the sensor 19.
    If there are stems reaching the sensor 18, the operation cycle of the device is repeated, the stalk-transmitting mechanism 6 stops in the position corresponding to the threshing depth of the stems that have reached the length of the sensor 18, and the two-armed rocker 35 with movable contact 33 is set to position. Thus, when the combine is moving across the field and there are stems of different lengths in contact with manual or automatic threshing depth control, a switch 38 for manual threshing depth control, a delay circuit 39 to prevent false control of the chipping depth, an electromagnetic relay 40, 41 with delay circuits 42, 43 to trigger.
    The device operates as follows.
    Using the switch 36 to the device is connected to a power source. If there are stems, the switch 24 of the sensor 23 is activated, which together with the switch 37 of the choice of the operating mode completes the preparation of the device for operation.
    If the length of the stems is less than the distance to the sensor 19, the contacts of the switches 20, 21 and 22 are closed, fixing the absence of stems. In this case, through one of the fixed contacts 28, 29 and 30, contact 32 and the movable contact 34 of the two-arm rocker 35, the relay 40 is closed by its contacts, which includes the electric motor 9 of the drive 8 with its contacts, which moves the stalk-transfer mechanism 6 downward through a chain transmission 14 and a lever mechanism 15 and turning two -plex30 with one or another sensor, six fixed positions of the stem-transmission mechanism 6 are possible if there are only three sensors (Fig. 5) corresponding to certain positions of the double-shouldered rocker arm 35 yuchayuschego mechanism 13 - E ^> F3, when lowering mechanism 6 or stebleperedayuschego depth increase threshing and,, F 6 stebleperedayuschego when lifting mechanism 6 or the depth is less thrashing.
    The automatic adjustment of the threshing depth for combine harvesters can significantly simplify the design and, at the same time, increase the accuracy of determining the length of the stem, which leads to a decrease in losses during harvesting,
    权利要求:
    Claims (1)
    [1]
    The rigger includes a self-propelled chassis 1, carrying case 2 with the threshing machine 3. In the front part of the self-propelled chassis 1, a header 4 is installed, containing the cutting device 5 to the stem, the cutting mechanism 6 with the feed chain 7 and the drive 8 moving the stem strap of the winding machine b, which, in turn, consists of an electric motor 9 with an output shaft 10, a gearbox gear worm 11, a switching mechanism 13, a chain gear 14 and a lever mechanism 15, and a device for determining the length of the stem 16 are installed on the output shaft 12 of which sensors 17, 18, and 19 lengths of the stem with switches 20, 21, and 22, respectively, TBefflo and sensor 23, the presence of stems with a switch 24. The switch to the mechanism 13 has fixed contacts 25–32 located along concentric circles, and movable contacts 33 and 34 which are located on the two shoulders of the yoke 35, the axis of rotation of which is located in the center of the circle. In addition, the device is provided with a .B1 fuser 36, which connects the power supply sources of electrical circuits, a switch 37 for selecting the operating mode — manual or automatic perymipo threshing, a transmitter 38 for manually adjusting the depth of the threshing circuit, 39 to prevent false adjustment of the depth of the foil, an electromagnetic relay 4O, 41 with circuits 42, 43 delay on operation. The device operates as follows. A power supply is connected to the device using switch 36. In the presence of stems, the switch 24 of the sensor 23 is triggered, which, together with the switch 37 for selecting the operating mode, completes the preparation of the device for operation. If the length of the stems is less than the distance to the sensor 19, the contacts of the switches 2O, 21 and 22 are closed, fixing the absence of the stems. In this case, through one of the non-movable contacts 28, 29 and ZO, contact 32 and the movable contact 34 of the two arms 35, closes the power supply circuit of relay 40, which, with its contacts, turns on the electric motor 9 of the drive 8, moving downward the strap-transmitting mechanism 6 by means of a cheshga the gear 14 and the lever mechanism 15 and the two shoulders turning the rocker arm 35 of the switching mechanism 13 clockwise to the PY position. When the stems touch the sensor 19, the contacts of its switch 22, which fix the presence of the stem, and the power supply circuit are closed 41 via fixed contacts 27 and 31 and movable contact 33. Relay 41, by its contacts, switches on power to electric motor 9, which moves the strap-forward mechanism 6 upward and simultaneously turns the two shoulders of the rocker arm 3 5 counterclockwise to the position of the power supply circuit of the relay 41 and motor 9 the strobe-transfer mechanism 6 is stopped; in the position when the deep threshing corresponds to the length of the stem reaching the sensor 19. In the presence of the stems reaching the sensor 18, the operation cycle of the device is repeated, the stem-transferring mechanism 6 stops at the position corresponding to the depth of the threshing of the stems reaching the length of the sensor 18, and the two shoulders 35 with pawned pin 33 set to and. . Thus, when the combine moves across the field and there are stems of different lengths in contact with one or another sensor, there are six possible fixations of the strap-transmitting mechanism 6 with only three sensors (Fig. 5) corresponding to certain half-lengths of the two shoulders of the switching mechanism 35 - f, F, fg when lowering the strobe-transmitting mechanism 6 or increasing the depth of the threshing and 2. 4 F oystnmal-kk stete-transmitting mechanism 6 or reducing the depth of the threshing. The automatic threshing depth adjustment for combine harvesters significantly simplifies the design and, at the same time, improves the accuracy of determining the length of the stem, which leads to a reduction in losses during the harvesting process. Formula of automatic and threshing device for automatic adjustment of the threshing depth for a combine harvester, containing sensors located at appropriate intervals, and a strap-transfer mechanism, characterized in that, in order to simplify the design and increase the accuracy of determination of the length of the steppies, it is equipped with a movement mechanism A transmission mechanism that has an electric motor, a gearbox and a lever mechanism, and a switching mechanism that has fixed contacts located in a concentric area and mobile contacts located on the two shoulders of the yoke, the axis of rotation of which is located in the center of the center, and the sensors have switches, each of their fixed contacts is connected to one
    from the fixed contacts of the switching mechanism located on the outer circumference, and each of the fixed contacts of the switching mechanism located on the inner circumference is connected to the drive motor for moving the strobe-transmission mechanism through the contacts of one of the starting relays.
    Sources of information taken into account during the examination 1. USSR Author's Certificate No. 536778, cl. A 01D 41/12, 1974.
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    同族专利:
    公开号 | 公开日
    GB2044064A|1980-10-15|
    JPS55136228U|1980-09-27|
    JPS6211384Y2|1987-03-18|
    PH20938A|1987-06-05|
    MY8500584A|1985-12-31|
    GB2044064B|1982-12-15|
    MX151441A|1984-11-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPH0349523B2|1982-03-29|1991-07-29|Kubota Kk|
    DE69109659T2|1990-10-12|1995-09-28|British Tech Group|MEASURING DEVICE FOR HARVESTED PRODUCTS.|
    US5528888A|1993-12-27|1996-06-25|Fuji Jukogyo Kabushiki Kaisha|Autonomous mowing vehicle and apparatus for detecting boundary of mowed field|
    DK1896872T3|2005-06-08|2017-01-09|C-Dax Ltd|IMPROVEMENTS IN OR RELATING pasture management|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP3828379U|JPS6211384Y2|1979-03-22|1979-03-22|
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