WO2022015170A9 - Système de coulissement électrique - Google Patents

Système de coulissement électrique Download PDF

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Publication number
WO2022015170A9
WO2022015170A9 PCT/NO2020/050197 NO2020050197W WO2022015170A9 WO 2022015170 A9 WO2022015170 A9 WO 2022015170A9 NO 2020050197 W NO2020050197 W NO 2020050197W WO 2022015170 A9 WO2022015170 A9 WO 2022015170A9
Authority
WO
WIPO (PCT)
Prior art keywords
carriage
skid rails
rails
skid
carriage according
Prior art date
Application number
PCT/NO2020/050197
Other languages
English (en)
Other versions
WO2022015170A1 (fr
Inventor
Ole Gabriel Ørjan Kverneland
Original Assignee
Excess Engineering
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Excess Engineering filed Critical Excess Engineering
Priority to PCT/NO2020/050197 priority Critical patent/WO2022015170A1/fr
Publication of WO2022015170A1 publication Critical patent/WO2022015170A1/fr
Publication of WO2022015170A9 publication Critical patent/WO2022015170A9/fr

Links

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
    • B63B27/19—Other loading or unloading equipment involving an intermittent action, not provided in groups B63B27/04 - B63B27/18

Definitions

  • the invention concerns an electrical system used for supporting loads and moving loads along at least one set.
  • the vessel may be comprised of a boat or a floating installation.
  • the vessel could be an offshore construction vessel (also known as OCV), Inspection Maintenance and Repair vessels (also known as IMR) anchor handler (also known as AHTS), Riserless Light Well Intervention vessel (also known as RLWI), drilling rigs, drill ship or similar using one or more carriages (also known as pallets or carts) for supporting loads and moving the loads along the rails.
  • OCV offshore construction vessel
  • IMR Inspection Maintenance and Repair vessels
  • AHTS Inspection Maintenance and Repair vessels
  • AHTS also known as AHTS
  • AHTS Riserless Light Well Intervention vessel
  • drilling rigs also known as RLWI
  • drill ship or similar using one or more carriages (also known as pallets or carts) for supporting loads and moving the loads along the rails.
  • the invention further relates to a method of transporting loads on a offshore installation or vessel.
  • the electrical skidding system shall be of retrofit type to allow for installation on existing vessels without any major modifications required.
  • the said electrical skidding system shall be remotely operated and may use battery or external power through a cable.
  • the back ground of the invention is the demand for more efficient and environmental friendly solutions offshore.
  • Clients typically oil companies are often describing CO2 footprint of a vessel and in this context more and more equipment will have a demand of going from hydraulic to electrical system such as electrical winches and battery packages on vessels to save fuel.
  • One of the areas where electrical solutions are lim ited in design and extremely expensive to install are electrically skidding system.
  • skidding systems In modern skidding systems, the handling of loads, such as subsea modules or heavy weight structures (e.g. Xmas trees, process modules, jacket foundations, PLEMs), on open deck demands a high degree of safety for both equipment and personnel.
  • loads such as subsea modules or heavy weight structures (e.g. Xmas trees, process modules, jacket foundations, PLEMs)
  • existing deck skidding systems typically comprise integrated or on-deck skid rails, push-pull, rack and pinion or winch driven carriages. Lay-out and integration with other systems are preferably optimized for efficient deck logistics. Most skidding systems used today are extremely inefficient and such operation often takes hours to perform. It is an object of the present invention to provide a more versatile, flexible and efficient skidding system, and are retrofit into existing skid rails.
  • skid rails are having T- beam profile at the top flange and may have crossing rails enabling skidding in both X-Y direction, or longitudinal and transverse when referring to vessel orientation.
  • a carriage for use on the existing skid rails of a vessel, said pallet comprising a supporting means, a mounting means, for the mounting of an load/object thereon, and at least one electrical actuation means included in the carriage frame members to interface with the skid rails to move the carriage in relation to the said skid rails.
  • vessels may be provided with several electrical driven carriages for moving of more than one load at the time.
  • the electrical driven carriages may have at least on, or more carriages attached to in a train.
  • the carriage is self-supported by using electrically stored energy to move the carriage from parked position to new position. It is possible when required to recharge the electrically stored energy when required.
  • the electric energy is transferred into mechanical energy through one or more electric motors.
  • the motors are controlled through a motor controller that controls the torque and speed of the motor.
  • the electrical motor(s) are used to move a wheel, belt or sim ilar device used to transfer the mechanical torque by using friction between the static skidding rails and the rotating part.
  • the carriage(s) include a device and system for controlling the friction between the moving part and the static skidding rails.
  • the carriages comprise one or more fasteners for securing the loads to the carriages.
  • the fasteners provide e.g. a friction lock or a positive lock, e.g. by means of a pin or studs that in the locked state of the fastener extend through or in the load.
  • the fasteners are mounted on or integrated in a support or supports.
  • the at least one electrically driven carriage comprises one or more devices for securing the carriage itself with or without load to the skidding rails of the vessel in all directions.
  • the carriage includes a system for elevation of the carriage such that the wheels/belts or part that moves the carriage in relation to the static skidding rails can be engaged and friction increased between the static part and the moving part.
  • the carriage includes a system for orient the wheels/belts in direction 90 degrees of the first direction, or have wheels/belts in fixed orientation in a 90-degree direction to the first wheel/belt.
  • the carriage can move in this said direction.
  • the moving sometimes is done by skidding the load. For example, when drilling wells from a platform at sea it is customary to skid the drilling rig on the platform f om one well location to another. This is com monly done by means of double acting hydraulic cylinders that skid the rig in a series of short steps, between which the pistons are retracted in the cylinders for the next stroke
  • US 3,033,525 also addresses skidding and relates to a force-transmitting device for moving one member relatively to another
  • the "crane system 9 transfers the machine gondola 4 to a supporting device 10.
  • Said device consists predominantly of two supporting devices 10.1, 10.2, which may run on a com mon guide rail system 11 along the deck of the barge 8.
  • the supporting device 10.1 and 10.2 include each gripping device 12.1, 12.2, with which the assembly components 13.1, 13.2 in a partially disassembled machine gondola may be run and positioned against one another along the guide rail system 11.”
  • WO 2007/069081 relates to a skidding pallet for use on the skid rails of a vessel, the pallet comprising a supporting means such as a frame, a mounting means for the mounting of an object thereon, and at least one actuation means, such as a cylinder, attached to one of the supporting means or mounting; means.
  • the supporting means interfaces with the skid rails and the actuation means are actuatable to cause the mounting means to rotate in relation to said supporting means and the skid rails.
  • EP 2 444 656 relates to a securing member suitable for securing a heavy load, in particular a component of a wind turbine on a transport element, with at least one bolt element.
  • EP 2 559 614 relates to a "vessel ⁇ 1 ⁇ for removal and/or installation of at least a part of a sea platform comprising a support structure and a top side, said vessel comprising a hull ⁇ 6) and two support arms (11, 12) located at a distance from each other and attached to the hull (6), wherein the support arms in use extend beyond the hull in a substantially horizontal direction
  • the inventions describes an improved skidding system of the hydraulic cylinder type is provided having thick cover plates with precut holes therethrough fixed to the tops of skid beams and including claws attached to the ends of the hydraulic cylinders having slidably mounted cylinder pins therein for engagement with the holes through the cover plates to anchor the ends of the hydraulic cylinders as the structure attached to the cylinders is skidded across the cover plates.
  • the invention relates to a skidding system for an offshore installation or vessel, such as an offshore wind turbine installation ship, comprising at least one set of rails, and one or more carriages for supporting loads and moving the loads along the rails, e.g. from a storage position to an operating position and/or vice versa. At least one of the carriages is adaptable to different loads.
  • Figure 1 shows the plan view of a typical X-Y direction skidding system whereas the skid beams (8), (9) and (10) are arranged in a way such that the carriage (1a) can move in both
  • Figure 2 shows in larger scale the carriage (1b) located at a position whereas movement in either X or Y direction is possible.
  • Figure 3 shows in large scale the carriage (1c) in a position whereas movement in X direction is possible.
  • Exemplary embodiment of the invention figure 1, 2 and 3 shows a typical skidding rail system on a floating vessel.
  • Skidding rails are often made of steel beams (8), (9) and (10) with a T- shaped profile as interface to the carriage.
  • the skidding rails are often arranged in a X-Y pattern corresponding to longitudinal and transvers direction on a floating vessel.
  • the skidding rails shown in figure 1,2 and 3 are schematic and, in practice, may have any suitable lengths.
  • the carriage is often provided with guides and guide wheels (not shown) at the underside of the carriage.
  • the function of the guides is to keep the carriage on the skidding rails.
  • Directional steering is possible when the carriage is located at a position (1b), whereas the guides then are free to move in any direction.
  • the carriage (1a, 1b, 1c, 1d) contains a battery package (16), for storage of electrical energy
  • the carriage (1a) contains a motor controller (17) for controlling the electrical energy transferred to the electrical motor(s) (18).
  • the motors (18) may be connected to wheels/belfs (2), (7), (4) and (5) or similar mechanism to move the carriage on the skidding rails (8), (9) and (10).
  • the carriage has a set of wheels/belts (2), (4), (5), (7) oriented in different directions.
  • the wheei/belts oriented in direction as (5) and (4) are used when moving in one direction. (21 ) and (7) are engaged 'when moving in other direction.
  • figure 5 explains further embodiment eight where (12a), (13a) and (14a) are lowered as to take the load of the carriage, whereas (15a) is in raised postion.
  • Figure 5 shows arrangement of (12a). (13a) and (14a) when moving across shifting point (8) on skid rails. Wheels/belts arranged in direction (15a) is then raised as to avoid interference with (9) when moving in said direction.
  • the carriage (1a, 1b, 1c, 1d) includes bumper structure (3) to be engaged when the carriage is parked.
  • the embodiment arrangements (12), (13), (14) and (15) can be raised and lowered when movement is started or halted, and said lowering/raising is part of the function to increase/lower the friction with the skid rails.
  • System (12), (13, (14), may be provided with sensor device, for example encoders or laser meter structured in a way to monitor the movement of the carriage.
  • the sensors record the movement according to a reference point and exact location of the carriage (1a), (1b),(1c) on skid rails. On the basis of recording the relative movement between the carriage
  • the brake device(s) (20) will activate and by applying frictional force adjusting the movement to be in correspondence with rotational speed of ( 12a), (13a) or (14a).
  • Figure 1 shows the conceptual step ol carriage (1a) moving in direction (Y), moreover to start the movement the arrangement of wheels in (Y) direction is engaged by lowering the wheels relatively to the carriage itself until ail load are taken be wheels in direction (Y).
  • carriage (1a) arrives in position (1b) the wheels in direction (Y) are raised and wheels in direction (X) lowered as to take over the load. Wheels in direction (X) will start rotating and move the carriage (1a) to position (1c).
  • carriage is in final position all wheels are retracted and carriage is resting on bumper(s) (3) with brakes (20) engaged to secure the carriage and load to the skid rails.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

Un chariot électrique (1) permettant de déplacer des charges sur un support flottant selon un modèle prédéfini, tel que des rails de coulissement. Le chariot électrique est caractérisé par un mécanisme qui permet d'abaisser et de soulever les unités d'entraînement de manière à assurer la mise en prise avec les rails de coulissement et de manière à réguler le frottement dans le système pour éviter tout mouvement involontaire. En outre, l'invention est caractérisée en ce qu'elle utilise des moteurs de régulation de vitesse électriques pour permettre le déplacement sur lesdits rails de coulissement.
PCT/NO2020/050197 2020-07-15 2020-07-15 Système de coulissement électrique WO2022015170A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/NO2020/050197 WO2022015170A1 (fr) 2020-07-15 2020-07-15 Système de coulissement électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2020/050197 WO2022015170A1 (fr) 2020-07-15 2020-07-15 Système de coulissement électrique

Publications (2)

Publication Number Publication Date
WO2022015170A1 WO2022015170A1 (fr) 2022-01-20
WO2022015170A9 true WO2022015170A9 (fr) 2022-03-10

Family

ID=79555740

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2020/050197 WO2022015170A1 (fr) 2020-07-15 2020-07-15 Système de coulissement électrique

Country Status (1)

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WO (1) WO2022015170A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3137179A1 (fr) 2020-11-04 2022-05-04 Manac Inc. Assemblage de poutre legere et remorque de camion l'utilisant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO343804B1 (en) * 2017-11-13 2019-06-11 Excess Eng As Electrical Retrofit Skidding System

Also Published As

Publication number Publication date
WO2022015170A1 (fr) 2022-01-20

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