NL2012161C2 - Device for disassembling a structure. - Google Patents

Device for disassembling a structure. Download PDF

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Publication number
NL2012161C2
NL2012161C2 NL2012161A NL2012161A NL2012161C2 NL 2012161 C2 NL2012161 C2 NL 2012161C2 NL 2012161 A NL2012161 A NL 2012161A NL 2012161 A NL2012161 A NL 2012161A NL 2012161 C2 NL2012161 C2 NL 2012161C2
Authority
NL
Netherlands
Prior art keywords
base
base part
hollow base
hollow
vicinity
Prior art date
Application number
NL2012161A
Other languages
Dutch (nl)
Inventor
Thomas Oscar Lambooij
Simke Dedmer Talsma
Wessel Helmens
Nicolaas Lamphen
Original Assignee
Mammoet Engineering B V
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 Mammoet Engineering B V filed Critical Mammoet Engineering B V
Priority to NL2012161A priority Critical patent/NL2012161C2/en
Application granted granted Critical
Publication of NL2012161C2 publication Critical patent/NL2012161C2/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/0084—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 specially adapted for sawing under water or at places accessible with difficulty
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0052—Removal or dismantling of offshore structures from their offshore location
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056—Platforms with supporting legs
    • E02B2017/006—Platforms with supporting legs with lattice style supporting legs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/382—Connections to the frame; Supports for booms or arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manipulator (AREA)

Description

Device for disassembling a structure
The invention relates to a device comprising an arm-support which is connectable to a structure, and a movable articulated arm which is mounted on the armsupport, wherein the arm has at least one tool at or near its extremity which is distant from the armsupport.
Such a device which is suitable for disassembling a structure which is optionally at least in part submerged, is known from the 55 page description, claims and figures counting international patent application WO2012/108765. As this bulky application already suggests, the device known from this document is not the epitomy of simplicity nor is it to be seen as the state-of-the-art in ease of operation.
The invention is aimed at providing an alternative to the known device which is simpler, easier to operate, more compact and reliable.
The device of the invention has the features of one or more of the appended claims.
According to a first aspect of the invention the arm-support is embodied as a hollow base provided with a central aperture which is dimensioned to receive at least part of the structure on which it is to be mounted. The hollow base with the central aperture does not need to be closed in itself; i.e. it may have an open slit such that the hollow base can either partly (when a slit is present) or completely (when the hollow base is closed in itself) encircle the structure received therein. Thus the device provides a very solid and reliable means of connecting the device of the invention with said structure, which preferably is the structure to be disassembled. It is however also possible that the device is mounted on another structure close to the structure to be disassembled .
In a preferable embodiment of the device of the invention which is particularly easy to operate, the hollow base is embodied with controllable restriction means within said aperture to attach the hollow base to the structure, or to another structure in its vicinity.
Beneficially the hollow base is provided with an upper base part and a lower base part that are telescopically movable with respect to each other. With such telescopically movable upper and lower base parts, the device of the invention is enabled to move autonomously up-and-down the structure. It may even move up-and-down during operation of the movable articulated arm which is mounted on the base.
In another preferred embodiment the hollow base is provided with an upper base part and a lower base part, each of said base parts having independently controllable restriction means to individually attach each of said base parts to the structure or to another structure in its vicinity. This particularly promotes the autonomous movability of the embodiment of the device of the invention which is provided with an upper base part and a lower base part that are telescopically movable with respect to each other.
The invention will hereinafter be further elucidated with reference to the drawing.
In the drawing: -figure 1 schematically shows the device of the invention in a preferred embodiment; and -figure 2 shows two devices of the invention in an example of their application.
Whenever in the figures the same reference numerals are applied, these numerals refer to the same parts.
With reference first to figure 1 the device of the invention is shown in a side view. The device comprises an armsupport embodied as a hollow base 1, 2 which is connectable to a structure which has to be dismantled. The hollow base 1, 2 could however also be mounted on a further structure close to the structure to be dismantled. For the purpose of the dismantling operation, the device comprises also a movable articulated arm 3 which is mounted on the hollow base 1, 2, wherein the arm 3 has at least one tool 4 at or near its extremity which is distant from the hollow base 1, 2.
As mentioned the armsupport of the device of the invention is embodied as a hollow base 1, 2 and this hollow base is provided with a central aperture which is dimensioned to receive at least part of the structure which has to be disman- tied or part of a close-by positioned structure. This is clear to the skilled person from what is shown in figure 2 wherein at the right-hand portion of this figure one device according to the invention is placed on a standard 5 of a structure to be dismantled.
The structure can be a jacket structure or any other structure which incorporates legs that can be received in the central aperture of the hollow base 1, 2 of the device of the invention. The hollow base 1, 2 can be implemented closed in itself as is shown in figure 1. It is however also possible that the hollow base 1, 2 is not closed in itself, yet comprises a slit such that in the mounted position the hollow base 1, 2 does not completely encircle the structure received therein .
It is preferable that the hollow base 1, 2 is embodied with controllable restriction means within said central aperture of the hollow base 1, 2 to attach same to a standard 5 of the structure. The manner in which this can be implemented is known to the skilled person and requires no further elucidation .
Both figure 1 and figure 2 show a preferred embodiment in which the hollow base 1, 2 is provided with an upper base part 1 and a lower base part 2 that are telescopically movable with respect to each other. Preferably the arm 3 of the device of the invention is mounted to the upper base part 1.
It is also preferable that the hollow base 1, 2 is provided with an upper base part 1 and a lower base part 2, wherein each of said base parts 1, 2 have independently controllable restriction means to individually attach each of said base parts 1, 2 to a leg 5 of the structure. This makes possible that the device of the invention autonomously moves up and down the leg 5 of the structure by intermittently operating the controllable restriction means of the upper and lower base parts 1, 2 while said base parts repeatedly move telescopically into and out of each other. As an example: at the time the upper base part 1 is attached to the leg 5 of the structure by activation of its controllable restriction means, the controllable restriction means of the lower base part 2 are released and the lower base part 2 is telescopically moved in a direction away from the upper base part 1. Subsequently when the lower base part 2 has reached its farthest extension, the controllable restriction means of the lower base part 2 are activated to connect the lower base part 2 to the leg 5 of the construction. Thereafter the controllable restriction means of the upper base part 1 are released followed by telescopic movement of the upper base part 1 in a direction towards the lower base part 2. This can then be followed by connecting the controllable restriction means of the upper base part 1 to the leg 5 of the structure as the start of a new cycle of repeated movements of said base parts 1, 2. As consequence of these operations the device of the invention autonomously moves down the leg 5 of the structure. At the same time or at the time that the device has come to a complete stop, the arm 3 and the tool 4 at the free extremity of the arm 3 can be operated.
Although the invention has been discussed in the foregoing with reference to an exemplary embodiment of the apparatus of the invention, the invention is not restricted to this particular embodiment which can be varied in many ways without departing from the gist of the invention. The discussed exemplary embodiment shall therefore not be used to construe the appended claims strictly in accordance therewith. On the contrary the embodiment is merely intended to explain the wording of the appended claims without intent to limit the claims to this exemplary embodiment. The scope of protection of the invention shall therefore be construed in accordance with the appended claims only, wherein a possible ambiguity in the wording of the claims shall be resolved using this exemplary embodiment.

Claims (4)

1. Inrichting voor het ontmantelen van een structuur welke structuur optioneel ten minste ten dele onder water staat, welke inrichting een armsteun omvat welke verbindbaar is met genoemde structuur of met een andere structuur in de nabijheid daarvan, en een beweegbare gelede arm (3) welke gemonteerd is op de armsteun, waarbij de arm (3) ten minste één gereedschap (4) bezit bij of nabij haar uiteinde welke afgelegen is van de armsteun, met het kenmerk, dat de armsteun is uitgevoerd als een holle basis (1, 2) voorzien van een cen traal gat welke gedimensioneerd is voor het ontvangen van ten minste een deel van genoemde structuur of genoemde andere structuur in de nabijheid daarvan.Device for dismantling a structure which structure is optionally at least partially submerged in water, which device comprises an armrest that can be connected to said structure or to another structure in the vicinity thereof, and a movable articulated arm (3) which is mounted on the armrest, the arm (3) having at least one tool (4) at or near its end which is remote from the armrest, characterized in that the armrest is designed as a hollow base (1, 2) provided with a central hole dimensioned for receiving at least a portion of said structure or said other structure in the vicinity thereof. 2. Inrichting volgens conclusie 1, met het kenmerk, dat de holle basis (1, 2) is uitgevoerd met regelbare restric-tiemiddelen binnen genoemd gat voor het vastmaken van de holle basis aan de structuur of aan genoemde andere structuur in haar nabijheid.Device according to claim 1, characterized in that the hollow base (1, 2) is provided with controllable restraining means within said hole for attaching the hollow base to the structure or to said other structure in its vicinity. 3. Inrichting volgens conclusie 1 of 2, met het kenmerk, dat de holle basis (1, 2) is voorzien van een bovenbasisdeel (1) en een onderbasisdeel (2) die telescopisch ten opzichte van elkaar beweegbaar zijn.Device according to claim 1 or 2, characterized in that the hollow base (1, 2) is provided with an upper base part (1) and a lower base part (2) which are telescopically movable relative to each other. 4. Inrichting volgens een der voorgaande conclusies 1-3, met het kenmerk, dat de holle basis (1, 2) voorzien is van een bovenbasisdeel (1) en een onderbasisdeel (2), waarbij ieder van genoemde basisdelen (1, 2) onafhankelijk van elkaar regelbare restrictiemiddelen bezitten voor het individueel vastmaken van ieder van genoemde basisdelen (1, 2) met de structuur of met genoemde andere structuur in de nabijheid daarvan.Device according to one of the preceding claims 1-3, characterized in that the hollow base (1, 2) is provided with an upper base part (1) and a lower base part (2), each of said base parts (1, 2) have independently controllable restriction means for individually securing each of said base parts (1, 2) with the structure or with said other structure in the vicinity thereof.
NL2012161A 2014-01-28 2014-01-28 Device for disassembling a structure. NL2012161C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL2012161A NL2012161C2 (en) 2014-01-28 2014-01-28 Device for disassembling a structure.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2012161 2014-01-28
NL2012161A NL2012161C2 (en) 2014-01-28 2014-01-28 Device for disassembling a structure.

Publications (1)

Publication Number Publication Date
NL2012161C2 true NL2012161C2 (en) 2015-07-29

Family

ID=50288232

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2012161A NL2012161C2 (en) 2014-01-28 2014-01-28 Device for disassembling a structure.

Country Status (1)

Country Link
NL (1) NL2012161C2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667515A (en) * 1970-01-26 1972-06-06 Corey S Steeplejacks Inc Pile cutting device
US4144867A (en) * 1977-09-29 1979-03-20 The E. H. Wachs Company Concrete pile-cutting machine
US4368720A (en) * 1979-10-09 1983-01-18 Allen Destree Method and apparatus for cutting concrete columns
US5772363A (en) * 1996-12-05 1998-06-30 Larson; John G. Piling remover
US6024145A (en) * 1998-04-08 2000-02-15 Ackles; Gary Articulated boom and head for manipulating objects under water
US20110100638A1 (en) * 2008-04-30 2011-05-05 Beerenberg Frontier As Apparatus and Method for Cutting Tubular Parts Subsea

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667515A (en) * 1970-01-26 1972-06-06 Corey S Steeplejacks Inc Pile cutting device
US4144867A (en) * 1977-09-29 1979-03-20 The E. H. Wachs Company Concrete pile-cutting machine
US4368720A (en) * 1979-10-09 1983-01-18 Allen Destree Method and apparatus for cutting concrete columns
US5772363A (en) * 1996-12-05 1998-06-30 Larson; John G. Piling remover
US6024145A (en) * 1998-04-08 2000-02-15 Ackles; Gary Articulated boom and head for manipulating objects under water
US20110100638A1 (en) * 2008-04-30 2011-05-05 Beerenberg Frontier As Apparatus and Method for Cutting Tubular Parts Subsea

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MM Lapsed because of non-payment of the annual fee

Effective date: 20200201