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公开(公告)号：EP2589565A1
公开(公告)日：2013-05-08
申请号：EP13153486.9
申请日：2008-04-01
发明人： Pech, David , Porubcansky, Kenneth , Lanning, John
IPC分类号： B66C23/76
摘要： A mobile lift crane (10) includes a carbody (12); a rotating bed (20); a boom (22); a moveable counterweight unit; counterweight movement structure; and a counterweight support structure attached to the counterweight unit. The counterweight support structure (810) includes at least two ground engaging members (820) that can provide support to the counterweight in the event of a sudden release of the load. The support structure comprises a telescoping structure (830) connected to and between the ground engaging members (820) such that the distance between the ground engaging members (820) can be adjusted between a first and second position.
摘要翻译： 一种移动式起重机（10）包括车体（12）; 一个旋转床（20）; 一个吊杆（22）; 可移动的配重单元; 配重运动结构; 以及附接到配重单元的配重支撑结构。 配重支撑结构（810）包括至少两个地面接合构件（820），其在负载突然释放的情况下可以为配重提供支撑。 支撑结构包括连接到地面接合构件（820）上并位于地面接合构件（820）之间的伸缩结构（830），使得地面接合构件（820）之间的距离可在第一和第二位置之间调整。
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2.发明公开Mobile lift crane with variable position counterweight 有权Mobiler Hebekran mitveränderlicherGegengewichtsposition
公开(公告)号：EP2829500A2
公开(公告)日：2015-01-28
申请号：EP14183968.8
申请日：2008-04-01
发明人： Pech, David , Porubcansky, Kenneth , Lanning, John
摘要： A mobile lift crane (610) includes a carbody (612); moveable ground engaging menbers (614, 616); a rotating bed (620); a boom (622); a moveable counterweight unit (634); and a counterweight movement structure comprising a rack and pinion assembly (636). A method of operating the crane (610) comprises performing a pick, move and set operation, wherein the counterweight unit (634) is moved toward and away from the rotating bed (620) but is never supported by the ground during the operation, other than indirectly by the ground engaging members (614, 616).
摘要翻译： 移动式起重机（610）包括车体（612）; 可移动地面接合木材（614,616）; 旋转床（620）; 繁荣（622）; 可移动配重单元（634）; 以及包括齿条和小齿轮组件（636）的配重运动结构。 操作起重机（610）的方法包括执行拾取，移动和设置操作，其中配重单元（634）朝向和离开旋转床（620）移动，但是在操作期间不会被地面支撑，其他 而不是间接地通过地面接合构件（614,616）。
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公开(公告)号：EP2589565B1
公开(公告)日：2014-09-10
申请号：EP13153486.9
申请日：2008-04-01
发明人： Pech, David , Porubcansky, Kenneth , Lanning, John
IPC分类号： B66C23/76
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公开(公告)号：EP2829500B1
公开(公告)日：2016-06-08
申请号：EP14183968.8
申请日：2008-04-01
发明人： Pech, David , Porubcansky, Kenneth
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公开(公告)号：EP2829500A3
公开(公告)日：2015-03-18
申请号：EP14183968.8
申请日：2008-04-01
发明人： Pech, David , Porubcansky, Kenneth , Lanning, John
摘要： A mobile lift crane (610) includes a carbody (612); moveable ground engaging menbers (614, 616); a rotating bed (620); a boom (622); a moveable counterweight unit (634); and a counterweight movement structure comprising a rack and pinion assembly (636). A method of operating the crane (610) comprises performing a pick, move and set operation, wherein the counterweight unit (634) is moved toward and away from the rotating bed (620) but is never supported by the ground during the operation, other than indirectly by the ground engaging members (614, 616).
摘要翻译： 一种移动式起重机（610）包括车体（612）; 可移动的地面接触门（614,616）; 一个旋转床（620）; 一个景气（622）; 一个可移动的配重单元（634）; 和包括齿条和小齿轮组件（636）的配重移动结构。 操作起重机（610）的方法包括执行拾取，移动和设定操作，其中配重单元（634）朝向和远离旋转底座（620）移动但在操作期间从未由地面支撑，其他 而不是通过地面接合构件（614,616）间接。
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