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    • 1. 发明授权
    • Telescopic crane boom
    • 伸缩起重机吊臂
    • US08127951B2
    • 2012-03-06
    • US12301173
    • 2007-04-26
    • Frank ConradJürgen Appel
    • Frank ConradJürgen Appel
    • B66C23/04
    • B66C23/66
    • A telescopic crane boom including a plurality of telescopically assembled tubular box sections including a base box section and an innermost box section having an open cross-section, and a boom head with a frame fixed to the outside circumference of the innermost box section. The head has a plurality of deflecting pulleys mounted on the frame, but no part extending inside the open cross section on the innermost base box section, whereby at least one additional box section can be inserted into the innermost box section in order to extend the boom.
    • 一种伸缩起重机吊臂,包括多个可伸缩组装的管状箱部分,其包括底部箱部分和具有开放横截面的最内部箱部分,以及具有固定到最内部箱部分的外圆周的框架的吊杆头部。 头部具有安装在框架上的多个偏转滑轮,但是没有部分在最内侧底箱部分上的开放横截面内延伸,由此至少一个附加的盒部分可插入最内侧的盒部分中,以便延伸吊杆 。
    • 3. 发明申请
    • Telescopic Crane Boom
    • 伸缩起重机臂
    • US20100038333A1
    • 2010-02-18
    • US12301173
    • 2007-04-26
    • Frank ConradJürgen Appel
    • Frank ConradJürgen Appel
    • B66C23/70
    • B66C23/66
    • A telescopic crane boom including a plurality of telescopically assembled tubular box sections including a base box section and an innermost box section having an open cross-section, and a boom head with a frame fixed to the outside circumference of the innermost box section. The head has a plurality of deflecting pulleys mounted on the frame, but no part extending inside the open cross section on the innermost base box section, whereby at least one additional box section can be inserted into the innermost box section in order to extend the boom.
    • 一种伸缩起重机吊臂,包括多个可伸缩组装的管状箱部分,其包括底部箱部分和具有开放横截面的最内部箱部分,以及具有固定到最内部箱部分的外圆周的框架的吊杆头部。 头部具有安装在框架上的多个偏转滑轮,但是没有部分在最内侧底箱部分上的开放横截面内延伸,由此至少一个附加的盒部分可插入最内侧的盒部分中,以便延伸吊杆 。
    • 5. 发明授权
    • Crane with a luffing jib
    • 起重机与起重臂
    • US06206213B1
    • 2001-03-27
    • US09559517
    • 2000-04-27
    • Frank Conrad
    • Frank Conrad
    • B66C2304
    • B66C23/708
    • A crane, includes a luffing jib having individual telescoping jib members, and a locking device configured for linkage of jib members and movable between an engagement position in which the jib members are locked together and a release position in which a first one of the jib members can be moved in and out relative to a second one of the jib members. The locking device is supported in the first jib member and received in a receptacle of the second jib member. A shifter, movable in an axial direction, is provided to shift the locking device via a coupling device between the engagement and release positions, with the coupling device extending perpendicular to the axis and connected to the shifter. The coupling device has a coupling member movable in a radial direction to effect an interlocking engagement with the locking device, which is movable in a same axis as the coupling member, wherein the locking device forms together with the coupling member a coupling between the shifter and the first jib member, and wherein in a transition phase between release and engagement positions, a projecting portion of the coupling member enters in interlocking engagement with the locking device.
    • 起重机包括具有单独的可伸缩臂架构件的变幅起重臂以及构造成用于联动起重臂构件并可在其中将起重臂构件锁定在一起的接合位置和释放位置之间移动的锁定装置,其中第一个起重臂构件 可以相对于第二个起重臂构件移入和移出。 锁定装置被支撑在第一起重臂构件中并被容纳在第二起重臂构件的容座中。 提供可沿轴向移动的换档器,用于通过联接装置在接合和释放位置之间移动锁定装置,联接装置垂直于轴线延伸并连接到换档器。 联接装置具有可沿径向移动的联接构件,以实现与锁定装置的互锁接合,所述锁定装置可在与所述联接构件相同的轴线上移动,其中所述锁定装置与所述联接构件一起与所述移位器和 第一起重臂构件,并且其中在释放和接合位置之间的过渡阶段中,联接构件的突出部分与锁定装置互锁接合。