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公开(公告)号:US20150151953A1
公开(公告)日:2015-06-04
申请号:US14615914
申请日:2015-02-06
Applicant: ITREC B.V.
Inventor: Hendrikus Jacobus WETERINGS , Joop ROODENBURG
IPC: B66C23/52
Abstract: The present invention relates to a crane vessel and a method of lowering an object from such a crane vessel into the sea. The crane comprises a stationary pedestal, a crane housing that is adapted to slew relative to the pedestal about a vertical rotation axis and a boom, comprising an inner end which is connected pivotably about a horizontal pivot axis to the crane housing. A luffing device extends between the boom and the crane housing, adapted to position the boom and actuate the up-and-down movement of the boom. Furthermore an object suspension device is provided to which an object is connectable, and a hoist assembly which comprises a winch and an associated hoisting cable, the hoisting cable extending from the winch, via a departing sheave on the boom, to the object suspension device, such that upon actuation of the winch the object suspension device can be raised and lowered, wherein the one or more portions of the hoist cable between the boom and the object suspension device form one or more suspension cable parts. According to an aspect of the invention, a hoist cable guide is provided which, at an operational position thereof, is adapted to guide at least one of the suspension cable parts between the boom and the object suspension device. According to another aspect of the invention, the hoisting cable is provided as a multiple fall cable and a hoist cable retention device is provided on the boom. The hoisting cable comprises one or more first suspension cable parts extending between the object suspension device and a radially outward location of the boom, and one or more second suspension cable parts extending between the objection suspension device and a radially inward location, such that the first and second suspension cable parts extend at V-shape with respect to each other, at an angle of preferably between 20 and 60°.
Abstract translation: 本发明涉及一种起重机船和将这种起重船的物体从海洋中降低的方法。 起重机包括固定基座,适于相对于基座围绕垂直旋转轴线和起重臂旋转的起重机壳体,包括可绕水平枢转轴线可枢转地连接到起重机壳体的内端。 升降装置在起重臂和起重机壳体之间延伸,适于定位起重臂并致动起重臂的上下运动。 此外,物体悬挂装置被设置成可连接物体,以及提升组件,其包括绞盘和相关联的起重缆索,提升缆绳通过悬臂上的离开滑轮从绞盘延伸到物体悬挂装置, 使得在驱动绞盘时,物体悬挂装置可以升高和降低,其中起重臂和物体悬挂装置之间的提升缆索的一个或多个部分形成一个或多个悬挂缆索部分。 根据本发明的一个方面,提供了一种起重缆索引导件,其在其操作位置处适于将悬臂缆索部分中的至少一个引导到悬臂和物体悬挂装置之间。 根据本发明的另一方面,提升电缆设置为多坠落电缆,并且在起重臂上设置提升电缆保持装置。 提升电缆包括在物体悬挂装置和悬臂的径向向外位置之间延伸的一个或多个第一悬挂电缆部分,以及在反射悬挂装置和径向向内的位置之间延伸的一个或多个第二悬挂电缆部分,使得第一 并且第二悬挂电缆部分相对于彼此以V形延伸,优选地在20°和60°之间的角度。
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2.
公开(公告)号:US20240093454A1
公开(公告)日:2024-03-21
申请号:US18037734
申请日:2021-12-15
Applicant: ITREC B.V.
Inventor: Eric ROMEIJN , Hendrikus Jacobus WETERINGS
Abstract: An assembly for supporting an object on a rail comprises a load bearing housing and an endless chain of steel cylindrical rollers arranged for recirculating along a closed path. The assembly comprises an elastically compressible resilient insert which is sandwiched between a steel central body and a steel raceway member above a work portion of the path, so that the central body is resiliently supported on an operative set of the cylindrical rollers via the insert and the steel raceway member.
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公开(公告)号:US20200173492A1
公开(公告)日:2020-06-04
申请号:US16636187
申请日:2018-08-03
Applicant: ITREC B.V.
Inventor: Wouter Johannes SLOB , Joop ROODENBURG , Hendrikus Jacobus WETERINGS
Abstract: A slew bearing includes a stationary bearing ring to be fixed to a base, and a moveable bearing ring to be fixed to a moveable object, wherein the stationary bearing ring and the moveable bearing ring are configured to enable rotation of the moveable bearing ring relative to the stationary bearing ring about a rotation axis. A main axial bearing and an auxiliary bearing are provided between the stationary bearing ring and the moveable bearing ring, wherein the moveable bearing ring includes one or more main portions and one or more auxiliary portions, which one or more main portions are moveable relative to the one or more auxiliary portions between an operational position, in which the main axial bearing transfers the axial loads between moveable bearing ring and stationary bearing ring, and a raised maintenance position, in which the auxiliary axial bearing transfers the axial loads between moveable bearing ring and stationary bearing ring and the main bearing is allowed to be inspected and/or maintained so that the slew bearing during inspection and/or maintenance is still operational.
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公开(公告)号:US20240417946A1
公开(公告)日:2024-12-19
申请号:US18815350
申请日:2024-08-26
Applicant: ITREC B.V.
Inventor: Terence Willem August VEHMEIJER , Hendrikus Jacobus WETERINGS , Stefan Cornelis VAN RUYVEN , Rene Corneille Losiriai BOELENS
Abstract: A system for holding a pile and being mounted on a vessel includes a support assembly and a pile holder. The support assembly provides compensation for wave-induced motion of the vessel to maintain a predetermined X-Y location of the pile holder. The pile holder has a center axis and is mounted on the support assembly so as to be tiltable about a substantially horizontal tilt axis relative to the support assembly. The pile holder has at least one ring which includes a ring structure and multiple pile engaging devices connected to the ring structure of the ring, distributed about the circumference of the ring. The substantially horizontal tilt axis of the system is located, with the pile extending substantially vertically through the at least one ring, further forward from the location at which the support assembly is mounted to the vessel than the center axis of the pile holder.
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公开(公告)号:US20180037445A1
公开(公告)日:2018-02-08
申请号:US15783673
申请日:2017-10-13
Applicant: ITREC B.V.
Inventor: Joop ROODENBURG , Hendrikus Jacobus WETERINGS
Abstract: A marine knuckle boom crane includes a crane housing which is rotational relative to a pedestal about a vertical rotation axis and a knuckle boom assembly attached to the crane housing. The knuckle boom assembly includes a main boom, the inner end of which is connected pivotably about a first horizontal pivot axis to the crane housing; and a jib, the inner end of which is connected pivotably about a second horizontal pivot axis to the outer end of the main boom, wherein the jib is pivotable at least between an extended position in which the tip extends mainly forward from the main boom, and a folded position in which the jib is folded back, essentially parallel along the main boom. In order to position the jib with respect to the main boom, a tensioning member is provided extending between the crane housing and a curved extension guide connected to the jib.
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公开(公告)号:US20220356668A1
公开(公告)日:2022-11-10
申请号:US17762898
申请日:2020-09-23
Applicant: ITREC B.V.
Inventor: Terence Willem August VEHMEIJER , Hendrikus Jacobus WETERINGS , Stefan Cornelis VAN RUYVEN , Rene Corneille Losiriai BOELENS
Abstract: A pile upending and holding system includes a support assembly configured to be mounted on the vessel and to provide compensation for wave-induced motion of the vessel to maintain a predetermined X-Y location of the pile holder independent of said motion, and a pile holder mounted on the support assembly to be tillable about a substantially horizontal tilt axis. The pile holder includes a lower ring and an upper ring, and a pile holder frame supporting the lower ring and upper ring, the upper ring longitudinally spaced from the lower ring. Each of the rings include pile engaging devices distributed about the circumference thereof, each pile engaging device being adapted to engage an exterior of the pile extending through the lower and upper ring. Each of the lower ring and upper ring includes a ring base fixed to the pile holder frame and one or more movable jaws, movable between a closed position for holding and guiding the pile and an opened position for entry of the pile. The pile holder is provided, below the lower ring thereof, with a pile foot end support for engaging a longitudinal end of the pile to limit longitudinal movement thereof.
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公开(公告)号:US20180044148A1
公开(公告)日:2018-02-15
申请号:US15699783
申请日:2017-09-08
Applicant: ITREC B.V.
Inventor: Joop ROODENBURG , Hendrikus Jacobus WETERINGS
Abstract: The present invention relates to a double jib slewing pedestal crane comprising a main jib and a secondary jib, and a secondary jib positioning device to support and position the secondary jib with respect to the main jib and actuate the pivotal movement of the secondary jib. The secondary jib positioning device comprises a secondary jib positioning cable; a spoke structure fixed to the secondary jib and extending radially outward; a tension chain connected at one end to the secondary jib positioning cable and at the other end to the secondary jib and/or to the spoke structure, wherein the spoke structure is adapted to support the tension chain.
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公开(公告)号:US20240067507A1
公开(公告)日:2024-02-29
申请号:US18280138
申请日:2022-03-01
Applicant: Itrec B.V.
Inventor: Hendrikus Jacobus WETERINGS , Wing Sum LEE
IPC: B66C23/84
Abstract: A crane housing for a leg encircling crane to be mounted onto a slew bearing includes an annular base component, two support components, and a frontal component, each having bulkheads. The support components are connected to the annular base component at respective lateral sides of a front segment thereof. The frontal component is connected to the front segment of the annular base component, between the two support components such as to interconnect these. The two support components and the frontal component together form a front torsion box, which provides torsional rigidity. The load of the boom, as applied on the support components, subjects the base component via the torsion box to a torsion that is distributed over the front segment of the base component.
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公开(公告)号:US20160332849A1
公开(公告)日:2016-11-17
申请号:US15110488
申请日:2014-12-30
Applicant: ITREC B.V.
Inventor: Joop ROODENBURG , Hendrikus Jacobus WETERINGS
Abstract: A double jib slewing pedestal crane includes a main jib and a secondary jib, and a secondary jib positioning device to support and position the secondary jib with respect to the main jib and actuate the pivotal movement of the secondary jib. The secondary jib positioning device includes a secondary jib positioning cable; a spoke structure fixed to the secondary jib and extending radially outward; a tension chain connected at one end to the secondary jib positioning cable and at the other end to the secondary jib and/or to the spoke structure, wherein the spoke structure is adapted to support the tension chain.
Abstract translation: 双臂起落架起重机包括主起重臂和副起重臂,以及辅助起重臂定位装置,用于相对于主起重臂支撑和定位副起重臂并且致动副吊臂的枢转运动。 次级起重臂定位装置包括副臂定位电缆; 轮辐结构,其固定到所述次级起重臂并径向向外延伸; 张紧链,其一端连接到次吊臂定位缆索,另一端连接到次吊臂和/或轮辐结构,其中轮辐结构适于支撑张紧链。
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