EP1263646A1 - Trageinrichtung mit gelenkarmen - Google Patents
Trageinrichtung mit gelenkarmenInfo
- Publication number
- EP1263646A1 EP1263646A1 EP01915094A EP01915094A EP1263646A1 EP 1263646 A1 EP1263646 A1 EP 1263646A1 EP 01915094 A EP01915094 A EP 01915094A EP 01915094 A EP01915094 A EP 01915094A EP 1263646 A1 EP1263646 A1 EP 1263646A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arm
- support
- bearing
- platform
- articulated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007667 floating Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000001447 compensatory effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/19—Other loading or unloading equipment involving an intermittent action, not provided in groups B63B27/04 - B63B27/18
Definitions
- the invention relates to a carrying device, in particular for assembling or disassembling an offshore platform.
- Offshore platforms for example drilling and production platforms, are usually placed on a support structure anchored in the seabed.
- a support device which is arranged, for example, on a special ship, is used to assemble and disassemble the platform.
- the bow of this special ship is catamaran-shaped with two hull parts, the spacing of which is selected so that the oil rig is accommodated between the two hull parts.
- the supporting devices are arranged, by means of which the oil rig can be raised or lowered.
- No. 4,744,697 describes a solution in which the platform can be raised or lowered by means of a series of cranes arranged in pairs.
- the two cranes in a pair are arranged diametrically to one another on the two parts of the fuselage and together carry a support arm on which the drilling platform is mounted.
- the disadvantage of this solution is that the crane cables of the cranes do not fix the platform in the horizontal direction, so that when the sea is rough, this can result in horizontally directed pendulum movements, which make placing the platform on the support structure considerably more difficult.
- the problem with the assembly / disassembly of the platforms is that they should not only be carried out on smooth seas but also in difficult weather conditions.
- the special ship carries out movements within the six available degrees of freedom, although the movement components effective in the horizontal direction can be reduced by suitable stabilization devices, such as tugs, anchor systems, fenders or the like, but cannot be fully compensated for.
- the compensation of the movement components effective in the vertical direction is equally simple, since this can be done via the lifting means themselves, which can be controlled depending on the vertical movement of the special ship or the platform.
- the weight of a platform can be up to 50,000 tons!
- the invention has for its object to provide a support device, in particular for assembling or disassembling an offshore platform, which enables easy compensation of horizontal movements.
- a support device in particular for assembling or disassembling an offshore platform, which enables easy compensation of horizontal movements.
- a support arm of the support device is designed with two articulated arms which can be moved in the horizontal direction into the lifting position.
- the pivoting of these two arms makes it possible to compensate for the movement of the ship in the horizontal direction in an extremely simple manner, so that an exact coupling to the drilling platform is ensured. It is also achieved that the ship and the support structure anchored to the sea floor are only subjected to low forces acting in the lateral and longitudinal direction, even in rough seas and with high payloads, so that the risk of damage to all elements is minimal.
- Another advantage of the construction according to the invention is that the articulated connection of the support arm can be realized comparatively inexpensively, wherein the support arm can be articulated in the basic position and thus only takes up minimal space.
- the articulated support arms according to the invention are preferably articulated on the hull parts of a special ship, a similar floating body or on an assembly / disassembly device anchored on the sea floor.
- the invention can be used for all tasks in which movements acting transversely to the weight force have to be compensated for with low permissible horizontal force components.
- the pivoting of the two arms or of the end part takes place in each case by means of an actuating device which For example, hydraulic cylinders can be used to pivot each arm about its pivot axis.
- the lifting means can be arranged on an end part articulated on the articulated arm, so that the lifting means can be pivoted in the horizontal direction with respect to the articulated arm.
- This end part is advantageously fork-shaped, so that an appropriately trained adapter on the platform or the support structure is encompassed by the fork legs.
- a lifting means can then be arranged on each of the fork legs.
- the fork-shaped end part ensures that the carrying device can follow horizontal relative movements between the platform and the floating body.
- the articulated connection between the swivel arm and the articulated arm and between the swivel arm and the end part each by two axially spaced bearings, at least one of which contains one or more axial and one radial bearing.
- Both bearings are preferably designed with at least one axial bearing each, the axial support advantageously being provided by two or more pistons that are hydraulically connected to one another.
- the hydraulic connection of the axial bearings ensures uniform support over both bearing parts, whereby the loads on the individual axial bearings are reduced.
- the pistons are designed as annular pistons which encompass the joint axis.
- the lifting means required for lifting the platform in the vertical direction can be designed, for example, as hydraulic cylinders or as in the prior art described at the beginning.
- the joint according to the invention for connecting the articulated arm to the swivel arm or the swivel arm to the end part is advantageously carried out with two articulated brackets formed on one arm / end part, which engage around an articulated projection arranged on the other arm / end part in the axial direction.
- play in the axial direction is provided between the link plates and the link protrusion, via which a compensating movement in the vertical direction is made possible.
- Figure 1 shows an offshore platform with a special ship for their assembly / disassembly
- FIG. 2 shows a side view of a support arm for supporting the platform
- Figure 3 is a plan view of the support arm of Figure 2;
- Figure 4 shows another embodiment of the support arm of Figure 2
- FIG. 5 shows a detailed illustration of an axial / radial bearing of the support arm from FIG. 4;
- FIG. 6 shows a side view of a further exemplary embodiment of a support arm and FIG. 7 shows a top view of the support arm in FIG. 6.
- FIG. 1 shows a schematic representation of an offshore platform 1, which can be, for example, a drilling or working platform. This is mounted above the sea level on a support structure 2 supported on the sea floor.
- the platform 1 has several stiffened support areas 4, via which the total weight of the platform 1, which can be up to 50,000 tons, is introduced into the support structure 2.
- each fuselage part 6, 8 is provided with a plurality of support devices 12, 14 lying one behind the other perpendicular to the plane of the drawing.
- carrying devices can also be mounted at other points on the ship.
- these each have a lifting means 16, via which the platform 1 can be lifted off the support structure 2 in the vertical direction.
- These lifting means 16 grip e.g. at the reinforced support area 4 of the platform 1 or at certain points of the support structure, above the ("cut surface") separating surface.
- the carrying devices 12, 14 are designed such that they can be pivoted from a basic position (12) shown on the left in FIG. 1 outside the platform 1 into a lifting or lowering position (on the right in FIGS. 1, 14) in which the lifting means 16 coaxially with respect to the Support area 4 is aligned.
- a basic position (12) shown on the left in FIG. 1 outside the platform 1 into a lifting or lowering position (on the right in FIGS. 1, 14) in which the lifting means 16 coaxially with respect to the Support area 4 is aligned.
- the fuselage parts 6, 8 can also be used.
- FIG. 2 shows a first exemplary embodiment of a carrying device 14 which is mounted on the fuselage part 8 or 6, indicated by dash-dotted lines.
- the support device 14 has a support part 18 carried by the fuselage part 8, to which a support arm 20 designed as an articulated arm is articulated via a swivel joint 22.
- the support arm 20 has a swivel arm 24 which is connected to an external articulated arm 28 via a joint 26.
- the support member 18 can be extended on the fuselage 6, 8 in a straight line from a retracted position towards the platform but without load; or pre-assembled in the desired position.
- the articulated arm 28 has two articulated brackets 30, 32 which encompass the adjacent end section of the swivel arm 24 and which are penetrated by the common axis 34, indicated by dash-dotted lines.
- the support part 18 has two hinge plates 36, 38 which engage around the other end section of the swivel arm 24 and through which a further axis 40 passes.
- the axes 34, 40 can be made in several parts.
- the arms 24, 28 can be designed as a framework construction.
- the lifting means 16 is mounted on the free end section of the articulated arm 28 and is designed as a hydraulic cylinder 42 in the exemplary embodiment shown.
- parallelogram linkages or lifting means such as are described in US Pat. No. 5,829,919 or WO 98/24980 AI, or other suitable constructions could also be used via hydraulic cylinders.
- Suitable actuating devices are provided for pivoting the support arm 20 between the basic position (on the left in FIG. 1) and the support position (on the right in FIG. 1), which are designed, for example, as hydraulic cylinders 45, 46 connected to a hydraulic control.
- the two hydraulic cylinders 45, 46 are in turn articulated on the supporting part 18 and on the swivel arm 24. That is to say, by extending the hydraulic cylinders 45, 46, the support arm 20 can be brought out of its folded position into a position in which the lifting device is aligned with respect to the assigned support area 4.
- the extended position of the hydraulic cylinders 45, 46 practically any desired position can be set within the swivel range in the horizontal plane X, Y (FIG. 3). Movements of the ship in the horizontal direction can then be compensated or permitted in a simple manner via the pivoting movements of the articulated arm 28 and the pivoting arm 24, the resistance to movement being adjustable via the control of the hydraulic cylinders 45, 46.
- FIG. 4 shows a second exemplary embodiment, which differs from the previously described exemplary embodiment with regard to the design of the joints 22, 26.
- arms 24 each have an axial bearing and two radial bearings (not shown), the axial bearings being formed only in the area of the plate 30 and the plate 38 of the joints 26 and 22, respectively.
- the articulated arm 28 and the swivel arm 24 are supported in the exemplary embodiment shown in FIG. 4 via two axial bearings, which are each provided in the area of the articulated brackets 30 and 32 of the articulated arm 28 or the brackets 36 and 38 of the supporting part 18.
- joint collars 48, 50 are formed on the swivel arm 24, which are supported on the associated brackets 36, 38.
- a recess 52 is formed, into which the lower link plate 32 is immersed and is supported in the support direction.
- FIG. 5 shows the lower bearing identified as detail X in FIG. 4, via which the articulated arm 28 is supported on the swivel arm 24.
- a bearing can of course also be used as an axial / radial bearing in the embodiment shown in FIG. 2.
- the hinge plate 32 of the hinge plate 32 As described above, the hinge plate 32 of the hinge plate 32 of the hinge plate 32 of the hinge plate 32
- the articulated connection of these two components takes place via the articulated axis 34, which tion 54 of the swivel arm 24 is used.
- the radial support of the articulated arm 28 takes place via a radial bearing 56 designed as a rolling or sliding bearing, which is inserted into a bearing bore 58 of the articulated plate 32.
- the joint bore 54 can also extend into the joint plate 32.
- the support surface 60 of the joint plate 32 lying at the bottom in the support direction lies on an annular piston 62 which forms the axial bearing. This is guided in a cylinder 64, which is designed as an annular groove in a lower cheek 66 of the recess 52.
- a cylinder 64 which is designed as an annular groove in a lower cheek 66 of the recess 52.
- the lower end portion of the axis 34 dips into a through or support hole 68 in the cheek 66.
- the end of the bearing section is sealed by sealing covers 70, 72.
- Corresponding bearings can also be formed in the area of the upper joint plate 30 and in the area of the plates 36, 38.
- the cylinder space of the cylinder 64 is connected to the correspondingly designed cylinder space of the upper axial bearing (at plate 30) via a bore 74 and a hydraulic line (not shown), so that the supporting forces acting in the axial direction are identical are.
- the cylinder spaces of the axial bearings are connected to one another in the region of the axis 40 in the same way.
- the configuration of the support device according to the invention makes it possible, for example, to fix the support arm 20 in a specific pivot position by suitable actuation of the hydraulic cylinders 45, 46, so that the platform is reliably fixed in the raised state.
- the control of the hydraulic cylinders or other corresponding actuating devices for initiating the swiveling process such as swiveling drives with electric motors, hydraulically operated spindles, etc., allows the platform 1 to be displaced in any horizontal direction or even to a certain extent rotated, so that a subsequent alignment of the platform with respect to the fuselage parts 6, 8 is possible.
- the platform was supported on the support arms.
- the platform 1 or an upper part of the support structure 2 could also be attached to the lifting means 16, as is described, for example, in WO 98/24980 AI.
- FIG. 6 shows a further variant of the carrying device shown in FIGS. 2 to 4, in which the outer articulated arm 28 is provided with a further pivot axis 70, via which an end part 44 is articulated.
- the structure of the support arm 18 and the swivel arm 24 corresponds essentially to that of the previously described exemplary embodiment, it being possible to use the joint construction according to FIGS. 2 or 4 or corresponding constructions.
- the end part 44 has a fork-shaped structure with two fork legs 72, 74, on each of which a lifting means, for example a hydraulic cylinder 42, is mounted.
- the two fork legs 72, 74 converge to form a middle leg 78 which, in the variant shown in FIG. 6, is encompassed by two articulated brackets 80, 82 of the articulated arm 28.
- the pivoting of the end part 44 relative to the articulated arm 28 takes place - as in the previously described exemplary embodiments - for example by means of a swivel cylinder 76 which is supported on the one hand on the articulated arm 28 and on the other hand acts on the end part 44.
- end part 44 can also be designed with a single lifting means.
- An adapter 84 is provided on the platform or the supporting structure and is encompassed by the two fork legs 72, 74 in the lifting position, so that a simple centering of the support device with respect to the receptacle on the platform is possible.
- pivoting of the arms 24, 28 can be opposite the support arm 18 also take place via pivot cylinders 45, 46.
- the lifting means - in the present case the hydraulic cylinder (s) of the end part 44 - is initially aligned in the lifting position with reference to the adapter 84 of the platform or support structure and is applied with a small force against the swiveling cylinder Adapter 84 or the corresponding part of the platform pressed. This pressing of the end part 44 against the platform ensures that horizontal relative movements between the lifting ship and the platform are compensated for.
- a suitable pretensioning device can also be used to maintain the relative position between the lifting means and the corresponding part of the platform / support structure.
- the aforementioned expression force can be changed as a function of the lifting process of the platform by appropriately controlling the swivel cylinders or the corresponding components, so that, for example, at a later point in time, i.e. after the hydraulic cylinders of the lifting means 42 have been attached, the expression force is reduced to zero, so that the carrying device can move freely in the horizontal direction.
- the component corresponding to the end part 44 could also be hinged directly to the swivel arm 24, so that again - as in the exemplary embodiments shown in FIGS. 2 to 4 - only two vertical swivel axes are present.
- a support device is disclosed, in particular for assembling or disassembling an offshore platform an articulated support arm which is movable by horizontally pivoting its two articulated arms.
- an articulated support arm which is movable by horizontally pivoting its two articulated arms.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
- Jib Cranes (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10013333 | 2000-03-17 | ||
| DE10013333 | 2000-03-17 | ||
| DE10026727 | 2000-05-30 | ||
| DE10026727A DE10026727A1 (de) | 2000-03-17 | 2000-05-30 | Trageinrichtung |
| PCT/DE2001/000924 WO2001068443A1 (de) | 2000-03-17 | 2001-03-12 | Trageinrichtung mit gelenkarmen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1263646A1 true EP1263646A1 (de) | 2002-12-11 |
| EP1263646B1 EP1263646B1 (de) | 2004-09-29 |
Family
ID=26004894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01915094A Expired - Lifetime EP1263646B1 (de) | 2000-03-17 | 2001-03-12 | Trageinrichtung mit gelenkarmen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7465126B2 (de) |
| EP (1) | EP1263646B1 (de) |
| AU (1) | AU4229501A (de) |
| ES (1) | ES2228826T3 (de) |
| NO (1) | NO334670B1 (de) |
| WO (1) | WO2001068443A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941852A (zh) * | 2017-04-05 | 2017-07-14 | 合肥悦兰信息技术有限公司 | 喷水式起藕船的固定装置 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY151678A (en) * | 2006-11-22 | 2014-06-30 | Technip France | Structure for the transport, installation and dismantling of an oil rig deck and method for using one such structure |
| US20080237173A1 (en) * | 2007-03-30 | 2008-10-02 | Remedial (Cyprus) Pcl | Arm assembly and methods of passing a pipe from a first vessel to a second vessel using the arm assembly |
| US20080237175A1 (en) * | 2007-03-30 | 2008-10-02 | Remedial (Cyprus) Pcl | Extension assemblies and methods thereof |
| US20080247827A1 (en) * | 2007-03-30 | 2008-10-09 | Remedial (Cyprus) Pcl | Work-over rig assembly and methods thereof |
| US7815398B2 (en) * | 2007-03-30 | 2010-10-19 | Remedial Cayman Limited | Methods of positioning an elevating support vessel |
| US20080237170A1 (en) * | 2007-03-30 | 2008-10-02 | Remedial (Cyprus) Pcl | Extension Bridges and methods of tender assist |
| US20080243365A1 (en) * | 2007-03-30 | 2008-10-02 | Remedial (Cyprus) Pcl | Methods of holding station and mooring and elevating support vessel |
| ES2378960B1 (es) * | 2010-09-22 | 2013-02-25 | Inneo Torres S.L. | Procedimiento de instalación de torre para uso aguas adentro. |
| US10443200B2 (en) * | 2014-09-26 | 2019-10-15 | Heerema Marine Contractors Nederland Se | Lifting device for lifting an upper part of a sea platform |
| CN113369859B (zh) * | 2021-06-18 | 2024-05-17 | 中国烟草总公司河南省公司 | 一种滴灌带接头的装配装置 |
| CN114400194B (zh) * | 2022-02-25 | 2025-09-16 | 北京北方华创微电子装备有限公司 | 半导体工艺设备 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1332358A (fr) | 1962-08-18 | 1963-07-12 | Perfectionnements apportés aux dispositifs de chargement et de déchargement pour navires | |
| DE2345280C3 (de) * | 1973-09-07 | 1981-03-26 | Nylands Verksted, Oslo | Deckskran |
| GB2174648B (en) | 1985-04-29 | 1988-10-12 | Heerema Engineering | Installation and removal vessel |
| GB2208496A (en) * | 1987-08-07 | 1989-04-05 | Heerema Engineering | Improvements in crane vessels |
| NO170470C (no) * | 1988-12-15 | 1992-10-21 | Transport Systems Dev As | Lasteheisanordning, saerlig til bruk ombord i skip |
| US6149350A (en) * | 1995-03-15 | 2000-11-21 | Khachaturian; Jon E. | Method and apparatus for the offshore installation of multi-ton packages such as deck packages and jackets |
| US5975807A (en) * | 1995-03-15 | 1999-11-02 | Khachaturian; Jon E. | Method and apparatus for the offshore installation of multi-ton packages such as deck packages and jackets |
| US5662434A (en) * | 1995-03-15 | 1997-09-02 | Khachaturian; Jon E. | Method and apparatus for the offshore installation of multi-ton prefabricated deck packages on partially submerged offshore jacket foundations |
| NL1001778C2 (nl) * | 1995-11-03 | 1997-05-13 | Allseas Group Sa | Werkwijze en inrichting voor het verwijderen van een opbouw. |
| NL1002938C2 (nl) | 1996-04-24 | 1997-10-28 | Allseas Group Sa | Werkwijze voor het van de onderbouw lichten van een zeeplatform, en drijflichaam geschikt voor die werkwijze. |
| NL1004682C2 (nl) * | 1996-12-03 | 1998-06-15 | Allseas Group Sa | Inrichting en werkwijze voor het lichten van een zeegaande constructie, bijvoorbeeld boorplatform. |
| NO313130B1 (no) * | 1999-06-07 | 2002-08-19 | Mpu Entpr As | Anordning for posisjonering og löfting av en marin konstruksjon, s¶rlig et plattformdekk |
-
2001
- 2001-03-12 WO PCT/DE2001/000924 patent/WO2001068443A1/de not_active Ceased
- 2001-03-12 ES ES01915094T patent/ES2228826T3/es not_active Expired - Lifetime
- 2001-03-12 US US10/239,006 patent/US7465126B2/en not_active Expired - Fee Related
- 2001-03-12 EP EP01915094A patent/EP1263646B1/de not_active Expired - Lifetime
- 2001-03-12 AU AU42295/01A patent/AU4229501A/en not_active Abandoned
-
2002
- 2002-09-16 NO NO20024427A patent/NO334670B1/no not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0168443A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941852A (zh) * | 2017-04-05 | 2017-07-14 | 合肥悦兰信息技术有限公司 | 喷水式起藕船的固定装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1263646B1 (de) | 2004-09-29 |
| NO20024427D0 (no) | 2002-09-16 |
| US7465126B2 (en) | 2008-12-16 |
| US20040025777A1 (en) | 2004-02-12 |
| NO20024427L (no) | 2002-11-06 |
| AU4229501A (en) | 2001-09-24 |
| ES2228826T3 (es) | 2005-04-16 |
| WO2001068443A1 (de) | 2001-09-20 |
| NO334670B1 (no) | 2014-05-12 |
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