WO2008101267A2 - Device for displacing working platforms - Google Patents
Device for displacing working platforms Download PDFInfo
- Publication number
- WO2008101267A2 WO2008101267A2 PCT/AT2008/000051 AT2008000051W WO2008101267A2 WO 2008101267 A2 WO2008101267 A2 WO 2008101267A2 AT 2008000051 W AT2008000051 W AT 2008000051W WO 2008101267 A2 WO2008101267 A2 WO 2008101267A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arms
- boom
- contour
- basic position
- vertical
- Prior art date
Links
- 238000007689 inspection Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005488 sandblasting Methods 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
- B63B57/00—Tank or cargo hold cleaning specially adapted for vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
Definitions
- the invention relates to a device for moving work platforms, which are provided for pivoting the work platforms in vertical planes boom, which are mounted on a support member about vertical axes horizontally pivotable, and which are pivoted into a basic position.
- Such devices may be used, for example, for the inspection or maintenance of the interior walls of a tank space.
- a conventional tanker is divided into tank rooms with dimensions of 20 mx 20 mx 20 m. These have a standardized upper filler opening of 1250 x 750 mm, which represents the only access to the tank room apart from a manhole for operators.
- movable working stations are provided in three directions, from which the inner walls can be inspected, treated with sandblasting, phosphorized and painted. Even to minimize the downtime of the ship in the yard, but also for technical reasons, the processing of the entire interior should be completed in the shortest possible time. In this sense, it is advisable to arrange more than one work basket on the central mast, with the use of four baskets in practice probably represents the upper limit.
- WO 2006/119520 a device of the type defined above is disclosed. This is already largely ready for use, as soon as the support member is inserted with the arms to the lower end position in the tank space. It is only necessary to connect the working baskets, which have been introduced in advance into the tank space, and at most these articulated arms, which connect with the arms, to the outriggers.
- the arms In the basic position, the arms must be very close to each other, so that they can be pushed through the standardized inlet opening of the tank space.
- the cantilevers in the basic position are offset radially outward with respect to their vertical axes of rotation.
- the pivoting of a boom about its vertical axis would be hampered by the adjacent boom.
- the operating position of the device is therefore achieved by displacing the vertical axes of the arms radially outward by about 100 mm by means of a four-bar mechanism. This requires a relatively high design effort.
- the object of the invention is to avoid the high design effort in the prior art.
- the stated object is achieved in that the boom in the basic position are offset relative to the associated vertical pivot axes in the direction of a closed contour, which surrounds the support member together with the arms.
- Protection is also desired for use of the device according to the invention for inspecting or processing the inner walls of a tank space, with the proviso that the basic position allows the in and out of the boom together with the support member through an upper opening of the tank space.
- the device according to the invention can also be used in oil platforms for inspection or processing of individual areas. Such maintenance is necessary for oil platforms for corrosion protection.
- Fig. 1 shows schematically the different phases of introduction
- Fig. 2 to 5 show in four phases in each case in a cross section and a diagram, the transition from the basic position to the operating position in an inventive device.
- the invention is not limited to embodiments in which the support member 3 together with the arms 2 by the defined by the dome 13 insertion is introduced together with an enveloping tube 1.
- the supporting part could also be fastened to a mast projecting, for example, into the interior of a tank space or to struts which carry the deck 11.
- boom 2 in a basic position as shown in Fig. 2, to arrange around the support member 3 around that they by merely pivoting about the vertical axes 8 in the operating position of FIG. 3 to 5 can be brought.
- the articulated arms 5 are pivoted to the investors 2 zoom. This measure results in a very small cross-section, so that in the optional use of a tube 1, the entire assembly of support member 3, boom 2 and articulated arms 5 can be easily pushed through the tube 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Jib Cranes (AREA)
Abstract
Description
Einrichtung zum Verfahren von Arbeitsplattformen Device for operating work platforms
Die Erfindung bezieht sich auf eine Einrichtung zum Verfahren von Arbeitsplattformen, wobei zur Verschwenkung der Arbeitsplattformen in vertikalen Ebenen Ausleger vorgesehen sind, welche an einem Tragteil um vertikale Achsen horizontal schwenkbar gelagert sind, und welche in eine Grundstellung einschwenkbar sind.The invention relates to a device for moving work platforms, which are provided for pivoting the work platforms in vertical planes boom, which are mounted on a support member about vertical axes horizontally pivotable, and which are pivoted into a basic position.
Derartige Einrichtungen können zum Beispiel für die Inspektion oder Wartung der Innenwände eines Tankraums verwendet werden.Such devices may be used, for example, for the inspection or maintenance of the interior walls of a tank space.
Ein üblicher Tanker ist in Tankräume mit Abmessungen von 20 m x 20 m x 20 m unterteilt. Diese weisen eine standarisierte obere Einfüllöffnung von 1250 x 750 mm auf, welche abgesehen von einer Einstiegsöffnung für Bedienungspersonal den einzigen Zugang zum Tankraum darstellt. Zur Bearbeitung der Innenwände des Tankraumes sind in drei Richtungen verfahrbare Arbeitsstationen vorgesehen, von denen aus die Innenwände inspiziert, mit Sandstrahlen behandelt, phosphorisiert und lackiert werden können. Schon um die Stillstandszeiten des Schiffes in der Werft zu minimieren, aber auch aus technischen Gründen soll die Bearbeitung des gesamten Innenraumes in möglichst kurzer Zeit abgeschlossen sein. In diesem Sinne empfiehlt es sich, mehr als einen Arbeitskorb am zentralen Mast anzuordnen, wobei der Einsatz von vier Körben in der Praxis wohl die obere Grenze darstellt.A conventional tanker is divided into tank rooms with dimensions of 20 mx 20 mx 20 m. These have a standardized upper filler opening of 1250 x 750 mm, which represents the only access to the tank room apart from a manhole for operators. For working the inner walls of the tank space movable working stations are provided in three directions, from which the inner walls can be inspected, treated with sandblasting, phosphorized and painted. Even to minimize the downtime of the ship in the yard, but also for technical reasons, the processing of the entire interior should be completed in the shortest possible time. In this sense, it is advisable to arrange more than one work basket on the central mast, with the use of four baskets in practice probably represents the upper limit.
Ein Zusammenbau der Einrichtung im Inneren des Tankraumes ist wegen der dort herrschenden Arbeitsbedingungen schwierig. Die diesbezüglichen Tätigkeiten sollen daher auf ein Minimum reduziert werden.An assembly of the device inside the tank room is difficult because of the prevailing working conditions. The related activities should therefore be reduced to a minimum.
In diesem Sinne ist in WO 2006/119520 eine Einrichtung der eingangs definierten Art geoffenbart. Diese ist bereits weitgehend gebrauchfertig, sobald der Tragteil mit den Auslegern bis zur unteren Endstellung in den Tankraum eingeschoben ist. Es ist lediglich noch notwendig, die vorweg in den Tankraum eingeführten Arbeitskörbe und allenfalls diese mit den Auslegern verbindenden Knickarme an die Ausleger anzuschließen.In this sense, WO 2006/119520 a device of the type defined above is disclosed. This is already largely ready for use, as soon as the support member is inserted with the arms to the lower end position in the tank space. It is only necessary to connect the working baskets, which have been introduced in advance into the tank space, and at most these articulated arms, which connect with the arms, to the outriggers.
In der Grundstellung müssen die Ausleger sehr eng aneinander liegen, damit sie durch die normierte Eingangsöffnung des Tankraumes geschoben werden können. Bei der in WO 2006/119520 geoffenbarten Konfiguration sind die Ausleger in der Grundstellung gegenüber ihren vertikalen Drehachsen radial nach außen versetzt. Die Schwenkung eines Auslegers um seine vertikale Achse würde dabei durch den benachbarten Ausleger behindert. Gemäß dem Stand der Technik wird die Betriebsstellung der Einrichtung daher erreicht, indem die vertikalen Achsen der Ausleger mittels eines Viergelenks-Mechanismus etwa 100 mm radial nach außen verschoben werden. Dies bedingt einen relativ hohen Konstruktionsaufwand.In the basic position, the arms must be very close to each other, so that they can be pushed through the standardized inlet opening of the tank space. At the in WO 2006/119520 in the disclosed configuration, the cantilevers in the basic position are offset radially outward with respect to their vertical axes of rotation. The pivoting of a boom about its vertical axis would be hampered by the adjacent boom. According to the prior art, the operating position of the device is therefore achieved by displacing the vertical axes of the arms radially outward by about 100 mm by means of a four-bar mechanism. This requires a relatively high design effort.
Die Aufgabe der Erfindung besteht darin, den hohen Konstruktionsaufwand beim Stand der Technik zu vermeiden.The object of the invention is to avoid the high design effort in the prior art.
Die gestellte Aufgabe wird dadurch gelöst, dass die Ausleger in der Grundstellung relativ zu den zugehörigen vertikalen Schwenkachsen in Richtung einer geschlossenen Kontur, welche den Tragteil samt den Auslegern umgibt, versetzt sind.The stated object is achieved in that the boom in the basic position are offset relative to the associated vertical pivot axes in the direction of a closed contour, which surrounds the support member together with the arms.
Durch diese Anordnung ist es möglich, durch bloßes Verschwenken der Ausleger um die jeweilige vertikale Schwenkachse eine Betriebsstellung bzw. Freistellung zu erreichen, in welcher die Ausleger um ihre horizontale Schwenkachse geschwenkt werden können, ohne sich gegenseitig zu behindern. Diese Freistellung wird ohne ein zusätzliches Versetzen der Schwenkachse bewerkstelligt. Im Detail wird dies anhand der Zeichnung erläutert werden.By this arrangement, it is possible to achieve an operating position or exemption by merely pivoting the boom about the respective vertical pivot axis, in which the arms can be pivoted about its horizontal pivot axis, without hindering each other. This exemption is accomplished without an additional displacement of the pivot axis. This will be explained in detail with reference to the drawing.
Schutz wird auch begehrt für eine Verwendung der erfindungsgemäßen Einrichtung zur Inspektion oder Bearbeitung der Innenwände eines Tankraumes, mit der Maßgabe, dass die Grundstellung das Ein- und Ausführen der Ausleger samt dem Tragteil durch eine obere Öffnung des Tankraumes erlaubt.Protection is also desired for use of the device according to the invention for inspecting or processing the inner walls of a tank space, with the proviso that the basic position allows the in and out of the boom together with the support member through an upper opening of the tank space.
Die erfindungsgemäße Einrichtung kann auch bei Ölplattformen zur Inspektion oder Bearbeitung von einzelnen Bereichen verwendet werden. Eine solche Wartung ist bei Ölplattformen für den Korrosionsschutz notwendig.The device according to the invention can also be used in oil platforms for inspection or processing of individual areas. Such maintenance is necessary for oil platforms for corrosion protection.
Weitere Anwendungen der erfindungsgemäßen Einrichtung zur Inspektion oder Bearbeitung von Innen- oder Außenräumen in anderen Bereichen der Technik sind denkbar. Weitere Vorteile und Einzelheiten der Erfindung ergeben sich anhand der nachstehenden Figurenbeschreibung. Beispielhaft ist eine Verwendung der Erfindung zur Inspektion oder Bearbeitung der Innenwände eines Tankraumes gezeigt.Other applications of the device according to the invention for inspection or processing of indoor or outdoor spaces in other areas of technology are conceivable. Further advantages and details of the invention will become apparent from the following description of the figures. By way of example, a use of the invention for inspection or processing of the inner walls of a tank space is shown.
Fig. 1 zeigt schematisch die verschiedenen Phasen des Einbringens und desFig. 1 shows schematically the different phases of introduction and the
Aufbaus einer Einrichtung gemäß WO 2006/119520,Structure of a device according to WO 2006/119520,
Fig. 2 bis 5 zeigen in vier Phasen jeweils in einem Querschnitt und einem Schaubild den Übergang von der Grundstellung in die Betriebsstellung bei einer erfindungsgemäß ausgebildeten Einrichtung.Fig. 2 to 5 show in four phases in each case in a cross section and a diagram, the transition from the basic position to the operating position in an inventive device.
Gemäß dem Stand der Technik nach WO 2006/119520 und dem Ausführungsbeispiel von Fig. 2 bis 5 ist vorgesehen, die Ausleger einer Bearbeitungseinrichtung in zusammengefaltetem Zustand in einem Rohr 1 zu verstauen. Dieses Hüllrohr dient zunächst als Schutz gegen Beschädigung der diffizilen Mechanik und der an die Festigkeitsgrenze ausgelegten Stahlbaustruktur im rauen Werftbetrieb. Sie erlaubt eine horizontale Lagerung des Systems auf dem Schiff bis das Rohr 1 mit den darin verstauten Auslegern vom Schiffskran 15 mittels eines Stahlseiles 7 an die Einsatzstelle gebracht wird. Dort wird (linkes Bild in Fig. 1) das Rohr 1 samt den darin gelagerten Auslegern durch die von einem Dom 13 gebildeten Öffnung eines Tankraums abgesenkt und nach vollständiger Absenkung mittels einer automatischen Verriegelung 16 mit dem Dom 13 verbunden. Da das Rohr 1 nunmehr am Dom 13 festliegt, fahren bei weiterem Absenken des Seiles 7 an einem Tragteil 3 befestigte Ausleger 2 nach unten aus (zweites und drittes Bilde in Fig. 1). Anschließend erfolgt die Verriegelung des Tragteiles 3 mit dem Flansch 31 am unteren Ende des Rohres 1 und schließlich die Verbindung der Ausleger 2 mit vorbereiteten Knickarmen 5 und Plattformen 6.According to the prior art according to WO 2006/119520 and the embodiment of FIGS. 2 to 5, it is provided to stow the arms of a processing device in a folded state in a tube 1. This cladding initially serves as protection against damage to the difficult mechanics and designed to the strength limit steel structure in rough shipyard operation. It allows horizontal storage of the system on the ship until the tube 1 is brought with the stowed boom from the ship's crane 15 by means of a steel cable 7 to the site. There is (left picture in Fig. 1), the tube 1 together with the cantilevers mounted therein lowered by the opening formed by a dome 13 of a tank space and connected to the dome 13 after complete lowering by means of an automatic lock 16. Since the tube 1 is now fixed to the dome 13, continue on a lowering of the rope 7 attached to a support member 3 boom 2 down (second and third pictures in Fig. 1). Subsequently, the locking of the support member 3 with the flange 31 at the lower end of the tube 1 and finally the connection of the boom 2 with prepared articulated arms 5 and 6 platforms.
Im eingefahrenen Zustand müssen die Ausleger 2 sehr eng aneinander liegen, damit sie im Rohr 1 verpackt werden können. Eine Drehung der Ausleger wäre bei der aus WO 2006/119520 bekannten Konfiguration nicht möglich, weshalb dort ein radiales Ausschieben der vertikalen Schwenksachsen der Ausleger 2 erfolgt, also durch Übergang von der dritten zur vierten Darstellung in Fig. 1.When retracted, the boom 2 must be very close together so that they can be packed in the tube 1. A rotation of the cantilevers would not be possible in the configuration known from WO 2006/119520, which is why there is a radial pushing out of the vertical pivot axes of the cantilevers 2, that is, by a transition from the third to the fourth representation in FIG. 1.
Die Erfindung ist nicht auf Ausführungen beschränkt, bei denen der Tragteil 3 zusammen mit den Auslegern 2 durch die vom Dom 13 definierte Einführöffnung zusammen mit einem umhüllenden Rohr 1 eingeführt wird. Grundsätzlich könnte der Tragteil auch an einem beispielsweise ins Innere eines Tankraumes ragenden Mast oder an Streben, welche das Deck 11 tragen, befestigt sein.The invention is not limited to embodiments in which the support member 3 together with the arms 2 by the defined by the dome 13 insertion is introduced together with an enveloping tube 1. In principle, the supporting part could also be fastened to a mast projecting, for example, into the interior of a tank space or to struts which carry the deck 11.
Wesentlich für die Erfindung ist der Gedanke, die Ausleger 2 in einer Grundstellung, wie sie in Fig. 2 dargestellt ist, so um den Tragteil 3 herum anzuordnen, dass sie durch bloßes Verschwenken um die vertikalen Achsen 8 in die Betriebsstellung nach Fig. 3 bis 5 gebracht werden können. Zu diesem Zweck sind die Ausleger 2 in der Grundstellung gemäß Fig. 2 entlang der Umfangskontur 1 ' gleichsinnig ausgerichtet, welche möglichst nahe an der Innenseite des Rohres 1 verläuft.Essential to the invention is the idea that boom 2 in a basic position, as shown in Fig. 2, to arrange around the support member 3 around that they by merely pivoting about the vertical axes 8 in the operating position of FIG. 3 to 5 can be brought. For this purpose, the boom 2 in the basic position shown in FIG. 2 along the circumferential contour 1 'aligned in the same direction, which runs as close to the inside of the tube 1.
Bereits aus Fig. 3 ist ersichtlich, dass das Verschwenken der Ausleger 2 um ihre jeweilige vertikale Achse 8 ein Betätigen der Ausleger 2 durch deren Verschwenken um eine horizontale Achse 20 möglich wird.Already from Fig. 3 it can be seen that the pivoting of the boom 2 about their respective vertical axis 8, an actuation of the boom 2 by pivoting about a horizontal axis 20 is possible.
Wie in Fig. 4 dargestellt, können damit sowohl die Ausleger 2 wie die daran angelenkten Knickarme 5 mittels der zugehörigen Hydraulik in ihrer gesamten Betätigungsebene verschwenkt werden, wobei diese Ebene selbst wieder um die zugehörige vertikale Achse 8 drehbar ist.As shown in Fig. 4, so that both the boom 2 and the hinged thereto articulated arms 5 can be pivoted by means of the associated hydraulic in its entire operating plane, said plane itself is again rotatable about the associated vertical axis 8.
Besonders vorteilhaft ist, dass in der Grundstellung die Knickarme 5 an die Anleger 2 herangeschwenkt sind. Durch diese Maßnahme ergibt sich ein sehr kleiner Querschnitt, sodass bei der optionalen Verwendung eines Rohrs 1 die gesamte Anordnung aus Tragteil 3, Ausleger 2 und Knickarme 5 leicht durch das Rohr 1 geschoben werden kann. It is particularly advantageous that in the basic position, the articulated arms 5 are pivoted to the investors 2 zoom. This measure results in a very small cross-section, so that in the optional use of a tube 1, the entire assembly of support member 3, boom 2 and articulated arms 5 can be easily pushed through the tube 1.
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112008000425.0T DE112008000425B4 (en) | 2007-02-21 | 2008-02-18 | Device for operating work platforms |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA270/2007 | 2007-02-21 | ||
| AT2702007A AT504977B1 (en) | 2007-02-21 | 2007-02-21 | DEVICE FOR PROCESSING WORK PLATFORMS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008101267A2 true WO2008101267A2 (en) | 2008-08-28 |
| WO2008101267A3 WO2008101267A3 (en) | 2008-12-11 |
Family
ID=39473921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT2008/000051 WO2008101267A2 (en) | 2007-02-21 | 2008-02-18 | Device for displacing working platforms |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT504977B1 (en) |
| DE (1) | DE112008000425B4 (en) |
| TR (1) | TR200906300T1 (en) |
| WO (1) | WO2008101267A2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7114282A (en) * | 1971-10-18 | 1973-04-24 | ||
| GB1463503A (en) * | 1973-10-27 | 1977-02-02 | Simon Eng Dudley Ltd | Access equipment |
| US4286721A (en) * | 1977-08-19 | 1981-09-01 | Simon Engineering Dudly Limited | Access equipment |
| WO1993007082A1 (en) * | 1991-10-09 | 1993-04-15 | Bothe H Melchior | Device for approaching positions inside a hollow body, in particular inside the hold of a tanker |
| AT501747B1 (en) * | 2005-05-13 | 2006-11-15 | Htc Systems Gmbh & Co Kg | DEVICE FOR MACHINING A TANK CONTAINER |
-
2007
- 2007-02-21 AT AT2702007A patent/AT504977B1/en active
-
2008
- 2008-02-18 WO PCT/AT2008/000051 patent/WO2008101267A2/en active Application Filing
- 2008-02-18 DE DE112008000425.0T patent/DE112008000425B4/en active Active
- 2008-02-18 TR TR2009/06300T patent/TR200906300T1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008101267A3 (en) | 2008-12-11 |
| TR200906300T1 (en) | 2010-01-21 |
| AT504977B1 (en) | 2009-09-15 |
| DE112008000425B4 (en) | 2018-06-28 |
| AT504977A1 (en) | 2008-09-15 |
| DE112008000425A5 (en) | 2009-12-31 |
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