• 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 combine includes a carrier frame movable over a field in a forward direction and a grain hopper attached thereto. The grain tank has side walls (58) which are movable by means of an adjustment drive (68) between a retracted position for transport by road and for the storage of the combine harvester and a position deployed for harvest. Each side wall (58) is connected upwards with a covering (84) which forms part of an attached annular grain hopper. The added grain hopper is movable between a deployed position, in which it forms a ring widening upwards the grain hopper mentioned in the first place, and a retracted position, in which it covers this same grain hopper from above.
    公开号:BE1019604A5
    申请号:E2008/0659
    申请日:2008-12-09
    公开日:2012-09-04
    发明作者:Heinz Sprau
    申请人:Deere & Co；
    IPC主号:
    专利说明:

    DESCRIPTION
    The invention relates to a combine harvester with a movable frame movable on a field in a forward direction and a grain hopper attached to the carrying frame, which comprises two side walls, which are movable to by means of a setting drive between a retracted position and an extended position, and two overlaps respectively connecting upwards to the side walls, movable between a retracted position and an extended position.
    State of the art
    For combine harvesters, threshed and threshed grain is stored in a grain bin and transferred using an unloading conveyor onto a transport vehicle when a sufficiently high filling level is reached. Since the possible dimensions of a combine are limited by the provisions of the traffic regulations, the grain bins of large combine harvesters include deployable elements that increase the available volume of the grain bin during harvesting.
    Such a grain hopper with a retractable annular mounting module is described in DE 10 051 096 A. Four elements are rotated, two of which are in a flexible material per se, of 90 ° or more between a plane position and a deployed position. The document US Pat. No. 6,508,705 B proposes a covering for a grain hopper which comprises on two sides respectively two orientable covers connected together. The other two walls of the grain hopper can be rotated between a horizontal out-of-service position and a vertical service position. For both documents mentioned, the enlargement of the grain tank is only upward. This has the disadvantage that the center of gravity of the combine is relatively high when the grain hopper is loaded, which deteriorates the directional characteristics when driving in curves and side slopes. In addition, the volume of the grain hopper reported is limited by its relatively small surface area.
    DE 1 951 498 A considered as defining the type describes another combine, for which the outer side walls of the seed hopper can pivot outwards to enlarge the volume of the grain hopper during harvesting. The upper overlap of the additional volume formed laterally at the combine is also moved outwardly, so that the grain hopper is always covered at the top. This leads to the disadvantage that the additional volume added remains relatively low.
    Goal
    The object of the invention is to provide a grain hopper for a combine that provides a lower center of gravity position and / or a larger additional volume.
    Solution
    This object is achieved according to the invention by the teaching of claim 1, the further claims providing features which advantageously complement the solution.
    A combine harvester includes a movable carrier frame in a forward direction on a field and a grain hopper attached thereto. The grain bin has side walls, which are movable by means of a setting drive between a retracted position for transport by road and for storing the combine and an extended position for harvesting. Each sidewall is connected upwardly with a cover which is part of an annular grain hopper. The grain hopper is movable between an extended position, in which it forms a ring enlarging the seed hopper upwards, and a retracted position, in which it covers the seed hopper from above. In the retracted position, the side walls extend vertically upwards.
    In this way, a lateral enlargement of the volume of the grain hopper and an enlargement of the ground surface of the grain hopper reported are obtained. The additional volume made available is thus considerably increased without the center of gravity being substantially displaced upwards.
    In a preferred embodiment, the sidewalls are hinged at their lower end to the support frame about an axis extending in the forward direction. In the retracted position, they extend upwardly from the axis and in the extended position obliquely outwardly and upwardly from the axis. For another embodiment, the side wall may also be part of a laterally sliding drawer.
    In the deployed position, the covers preferably extend obliquely outwards and upwards, in particular parallel to the side walls. For this purpose, they can be articulated at their lower ends to the side walls around an axis extending horizontally and parallel to the forward direction. In the retracted position, the overlaps preferably extend horizontally and cover the seed hopper partially or fully upwardly.
    In addition to the (second) overlays already described, the grain hopper also preferably includes (first) overlaps on the front and rear sides of the grain hopper, which extend transversely to the forward direction. and are articulated at their lower ends about axes extending horizontally and transversely to the forward direction. The first and second overlaps are interconnected by front walls which extend transversely to the forward direction. The front walls are preferably made of a flexible material per se and the end walls on each side are interconnected by a spring or an extension cable in order to achieve a defined folding.
    Example of realization
    The drawings show an exemplary embodiment of the invention described in more detail below. The drawings show: FIG. 1 is a diagrammatic side view of a combine harvester with an added grain hopper according to the invention, FIG. 2 is a partial sectional rear view of the combine of FIG. grain hopper reported in the expanded state, and Figure 3, the view according to Figure 2 with the grain hopper reported in the retracted state.
    Figure 1 shows a self-propelled combine 10 with a support frame 12, which is supported on the ground by means of front wheels 14 and rear wheels 16 and is movable by them. The wheels 14, 16 are rotated by means of drive means not shown in order to move the combine harvester 10 for example on a field to be harvested. At the front end area of the combine 10, a harvest pickup device (not shown) may be connected in the form of a cutter or corn picker or the like, so that harvesting the forage from the field and bringing it up and back via an inclined conveyor 18 to a threshing device with a transversely disposed beater 20 and a basket grate 22 assigned thereto. Via a guide drum 24, the crop is fed to a straw shaker 26. In the following, all directions, such as front, rear, above or below, relate to the forward direction V of the combine 10.
    The grains and the straw which are separated during the threshing fall on a preparation floor 28. The grains and the straw which are separated by the straw shaker 26 fall against a vibrating floor 30 which leads to the preparation floor 28. preparation floor 28 transmits the grains and the straw to a cleaning device 32 in which sieves 34 are arranged and to which a fan 36 is assigned to facilitate separation of the straw and grains. The cleaned grains are conveyed by a conveyor 38 to a elevator 40 (not shown) which transports them to a seed hopper 42. An oton screw 44 returns the un-beaten parts of the grain to the threshing via an elevator additional not shown, namely returns them in the beater 20. The straw is rejected to the rear face of the cleaning device 32. The cleaned grains of the grain bin 42 can be discharged by an unloading system with cross screws and a conveyor 46. The beaten straw is fed via an inclined straw guide plate 52 downstream of the straw shaker 26 to a straw chopper 54, which distributes it on the field using a distribution housing 56.
    The systems mentioned are driven by an internal combustion engine and controlled by an operator from a driver's cabin 50. The various threshing, transporting, cleaning and separating devices are located inside the carrying frame 12.
    So that the volume of the grain bin 42 is as large as possible during the harvest, but the profile of the combine 10 remains within the allowable limits during traffic on a road and storage in a barn or the like the seed hopper 42 is provided with movable side walls 58 and movable covers 82, 84, which are shown in Figure 2 in an extended position and in Figure 3 in a retracted position. The grain hopper 42 comprises a lower floor 60, flat in the embodiment shown, extending horizontally and in the forward direction V, which is rigid material per se and is rigidly connected to the support frame 12. The floor 60 could also be curved down or have some other shape. The grain hopper 42 comprises a front wall 62 and a rear wall 64, which are made of rigid material per se and both extend transversely to the forward direction and vertically and are rigidly connected to the carrier frame 12. On the On the other hand, the seed hopper 42 is bounded by rigid side walls 58 in themselves, which are hinged at their lower end to the support frame 12 by a pivot axis 66 extending horizontally and in the forward direction. The pivot axis 66 may be above the floor 60 or at the height thereof.
    A first adjustment drive 68, preferably in the form of an electric motor or a double acting hydraulic ram, comprises a housing hinged to the support frame 12 about an axis extending in the forward direction and horizontally and a linearly adjustable adjusting element 70. The adjustment element 70 can therefore be moved by an external force. It is an axis extending in the forward direction and horizontally, articulated to the lower end of a lever 72, which is supported in its middle on the carrier frame 12 so as to pivot around it an axis 74 extending in the forward direction and horizontally. At the lever 72, a lower spacer 76 is hinged directly above the point of application of the adjusting member 70 about an axis extending in the forward direction and horizontally and is articulated at its other end to the right side wall 58 above the pivot axis 66 about an axis extending in the forward direction and horizontally. At the other end of the lever 72, an upper spacer 78 is hinged about an axis extending in the forward direction and horizontally and is hinged at its other end to the left side wall 58 above the pivot axis 66 about an axis extending in the forward direction and horizontally.
    At the front and rear ends of each of the side walls 58 are fixed lower triangular front walls 80, which are rigidly connected to the side walls 58 and are of rigid material per se. They pivot with the side walls 58 about the pivot axes 66 and are in the retracted position directly at the rear of the front wall 62 or in front of the rear wall 64. At the inner edges extending vertically in FIG. lower end walls 80 are preferably provided with abutments (not shown) which rest in the deployed position on elements in cooperation with the front wall 62 or the rear wall 64, to then unload the first adjustment drive 68. another possible embodiment, the end walls 80 are of flexible material per se and fixed to the walls 62 or 64 and are preferably pre-tensioned inside the seed hopper by means of elastic elements, such as that springs or extension cables, which grip about in their middle, so that they are not wedged between the front wall 62 and the rear wall 64 during the r shrinking of the side walls 58.
    In order to further increase the useful volume of the grain hopper 42 above the height of the walls 62, 64 and the side walls 58 in the deployed position, overlaps 82, 84 are provided, which are also movable between the positions. retracted and deployed. Two first covers 82 of rigid material per se extending transversely to the forward direction are articulated to the upper faces of the walls 62 and 64 about axes 86 extending transversely to the forward direction. Second overlays 84 of rigid material per se extending transversely to the forward direction are articulated to the upper edges of the side walls 58 about respective axes 88 extending in the forward direction. The upper end walls 90, which are of flexible material per se in the embodiment shown, are connected to the second covers 84 and extend vertically and transversely to the forward direction. The upper end walls 90 are also fixed to the upper edges of the lower end walls 80 and to the lateral edges of the first covers 82. In the middle of their upper edges, the upper end walls 90 are interconnected on each side by springs or cables. 92, which causes them to fold back into the retracted state along a fold line 94 extending to the axis 88. In the deployed position, the second overlaps 84 form with the four upper end walls 90 and the first two covers 82 an annular grain hopper which is connected to the side walls 58.
    At the covers 82, 84 are assigned second clean adjustment drives 96, which can be embodied as electric motors or double acting hydraulic cylinders. Their housings are respectively hinged about axes extending horizontally and in the forward direction to supports 98 which are fixed about halfway up the side walls 58. The linear motion actuating elements 100 actuated by an external force adjustment drives 96 are respectively articulated about axes extending horizontally and in the forward direction to supports 102 which are fixed about halfway up the second covers 84.
    The adjustment drives 68, 96 enable the side walls 58 and the covers 82, 84 to move between the extended position shown in FIG. 2, in which the side walls 58 and the covers 84 extend at approximately 45 ° upwards. and outwardly, and the retracted position shown in Figure 3, wherein the side walls 58 extend vertically and overlaps 84 horizontally. The actuation sequence of the adjustment drives 68 and 96 is fundamentally arbitrary, but, for reasons of time saving, it is relevant to actuate both simultaneously. The first covers 82 are also driven by the adjustment drives 96, the latter pulling the first covers 82 upwards with the upper end walls 90 when the second covers 84 are brought into the deployed position, and also pushing towards the lower the first covers 82 (alone or in cooperation with the springs or extension cables 92, which pull the upper end walls 90 inwardly) when the second covers 84 are brought into the retracted position. In the retracted position, the second covers 84 partially or in particular completely cover the seed hopper 42 upwardly, so that it can not penetrate rain water or other contaminations. In the deployed position, it is inexpensively realized a huge enlargement of the capacity of the grain hopper.
    The volume of the grain hopper could be further increased by designing the upper end walls 90, which are slightly longer than those shown in the figures, so that the first covers 82 can pivot more than 90 ° outwards in the deployed position. . The return movement can be done using the extension cables 92 or adjustment drives assigned to the corresponding first overlays 82 (not shown).
    权利要求:
    Claims (14)
    [1]
    Combine harvester (10) with a carrier frame (12) movable on a field in a forward direction and a seed hopper (42) attached to the carrier frame (12), which includes two side walls (58), which are movable by means of a setting drive (68) between a retracted position and an extended position, and two overlaps (84) respectively connected upwardly to the side walls (58), movable between a retracted position and in an extended position, the covers (84) are part of a reported annular grain hopper which forms an insert ring in the extended position and covers the seed hopper (42) upwards in the retracted position, characterized in that the sidewalls (58) extend at least approximately vertically in the retracted position.
    [2]
    Combine harvester (10) according to claim 1, characterized in that the side walls (58) are articulated at their lower end to the support frame (12) about an axis (66) extending in the direction of forward and can pivot about the axis (66) between the retracted position and the extended position, in which they extend upwardly and outwardly.
    [3]
    Combine harvester (10) according to one of Claims 1 to 2, characterized in that the overlaps (84) are articulated at their lower ends to the side walls (58) about an axis (88) extending horizontally and in the forward direction.
    [4]
    Combine harvester (10) according to one of claims 1 to 3, characterized in that the covers (84) extend upwards and outwards in the extended position.
    [5]
    Combine harvester (10) according to one of Claims 1 to 4, characterized in that the overlaps (84) extend at least approximately horizontally in the retracted position.
    [6]
    6. Combine harvester (10) according to one of claims 1 to 5, characterized in that the overlays (84) extend parallel to the side walls (58) in the deployed position.
    [7]
    Combine harvester (10) according to one of Claims 1 to 6, characterized in that the cover (84) forms the seed hopper with upper end walls (90) extending transversely to the direction of travel. front and covers (82) extending transversely to the forward direction.
    [8]
    Combine harvester (10) according to claim 7, characterized in that the upper end walls (90) are of flexible material per se.
    [9]
    Combine harvester (10) according to Claim 8, characterized in that the upper end walls (90) are interconnected by springs and / or extension cables (92) extending in the forward direction. .
    [10]
    Combine harvester (10) according to one of Claims 7 to 9, characterized in that the overlaps (82) extending transversely to the forward direction can pivot about axes (86) extending transversely to the forward direction.
    [11]
    Combine harvester (10) according to one of Claims 1 to 10, characterized in that the side walls (58) are connected to lower end walls (80) extending transversely to the forward direction of travel. move with the sidewalls (58) between the retracted position and the extended position.
    [12]
    Combine harvester (10) according to one of Claims 1 to 11, characterized in that a setting drive (68) is assigned to the side walls (58) and that another adjusting drive (96) ) is assigned to recoveries (84).
    [13]
    Combine harvester according to Claim 12, characterized in that the adjusting drives (68, 96) can be activated simultaneously.
    [14]
    Combine harvester (10) according to one of Claims 1 to 13, characterized in that the seed hopper (42) comprises a front wall (62) extending transversely to the forward direction and a vertical direction and a rear wall (64) extending transversely to the direction of forward and vertical travel and in that the side walls (58) extend in the forward direction between the front wall (62) and the rear wall (64) .
    类似技术:
    公开号 | 公开日 | 专利标题
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    FR2540702A1|1984-08-17|VEHICLE FOR TRANSPORTING HARVESTS
    FR2720219A1|1995-12-01|Auxiliary cutting device for combine harvester.
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    同族专利:
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    US20090270149A1|2009-10-29|
    DE102008001457A1|2009-11-05|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102008001457|2008-04-29|
    DE102008001457.5A|DE102008001457B4|2008-04-29|2008-04-29|Combine harvester with grain tank attachment|
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