JPH0738428U - Rotating scaffolding device for spherical tanks - Google Patents
Rotating scaffolding device for spherical tanksInfo
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- JPH0738428U JPH0738428U JP6768593U JP6768593U JPH0738428U JP H0738428 U JPH0738428 U JP H0738428U JP 6768593 U JP6768593 U JP 6768593U JP 6768593 U JP6768593 U JP 6768593U JP H0738428 U JPH0738428 U JP H0738428U
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- Prior art keywords
- spherical tank
- scaffolding
- tank
- scaffolding device
- rotating
- 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.)
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Abstract
(57)【要約】
【目的】 球形タンクの下半球部と球形タンクを収納す
る船体との狭い隙間に設けることができ、足場の設置・
撤去作業が容易で球形タンク下半球部の外面工事を効率
良く行える回転足場装置を提供する。
【構成】 球形タンクＴを搭載する船体Ｈと球形タンク
Ｔとの狭い隙間２に設ける球形タンク用回転足場装置Ｆ
であって、球形タンクＴを支持するファンデーションデ
ッキＤ上に上部支持部３を設けるとともに、前記船体Ｈ
に球形タンク垂直軸心Ｃに中心旋回支持機構Ｍを有する
下部支持部４を設け、この下部支持部４と前記上部支持
部３とを前記球形タンクＴの外面にほぼ沿って複数に分
割した足場部材５Ａ〜５Ｃで形成する連結部５により連
結して一体化し、足場部材５Ｃに階段状の足場板５ｃを
設けるとともに、前記上部支持部３に前記中心旋回支持
機構Ｍを中心にしてファンデーションデッキＤ上を旋回
走行する走行駆動装置７を設けた。
(57) [Summary] [Purpose] It can be installed in a narrow gap between the lower hemisphere of a spherical tank and the hull that houses the spherical tank, and the installation of scaffolding
(EN) Provided is a rotating scaffolding device that can be easily removed and can efficiently perform the outer surface work of the lower hemisphere of a spherical tank. [Structure] Rotating scaffolding device F for a spherical tank provided in a narrow gap 2 between a hull H equipped with the spherical tank T and the spherical tank T
And the upper support portion 3 is provided on the foundation deck D that supports the spherical tank T, and the hull H
Is provided with a lower support portion 4 having a central swivel support mechanism M at a vertical axis C of the spherical tank, and the lower support portion 4 and the upper support portion 3 are divided into a plurality of scaffolds substantially along the outer surface of the spherical tank T. The scaffolding member 5C is provided with a stepped scaffolding plate 5c which is connected and integrated by a connecting part 5 formed of the members 5A to 5C, and the foundation deck D is provided on the upper support part 3 with the central turning support mechanism M as a center. A traveling drive device 7 for turning and traveling above is provided.
Description
【０００１】[0001]
本考案は、球形タンクにおける下半球部の外面工事を施工するための足場装置 に関し、更に詳しくは、球形タンクの下半球部と構造物との隙間が狭い場所に設 ける足場装置であって、外面工事の施工箇所に応じて旋回させることができる回 転足場装置に関するものである。 The present invention relates to a scaffolding device for constructing an outer surface of a lower hemisphere part of a spherical tank, and more specifically, a scaffolding device which is provided in a place where a gap between the lower hemisphere part of the spherical tank and a structure is narrow, The present invention relates to a rotating scaffolding device that can be turned depending on the location of the external construction.
【０００２】[0002]
従来より、液体等を貯蔵する球形タンクが様々な用途で用いられているが、球 形タンクが構造物内に設置される場合、その構造物が球形タンクの外面に沿うよ うな形状に形成されている場合もある。このように構造物が球形タンクの外面に 沿うように形成されている場合、球形タンクと構造物との隙間が狭くなっている 。そして、このような球形タンクにおいては、タンク内に貯蔵する製品に応じて タンク外面にあらゆる工事を施工している。 Conventionally, spherical tanks that store liquids have been used for various purposes.However, when a spherical tank is installed inside a structure, the structure is formed so as to follow the outer surface of the spherical tank. There are also cases. When the structure is thus formed along the outer surface of the spherical tank, the gap between the spherical tank and the structure is narrow. In such a spherical tank, all construction work is performed on the outer surface of the tank depending on the products stored in the tank.
【０００３】 この様な球形タンクとして、球形タンク方式液化天然ガス（以下、ＬＮＧとい う。）運搬船における球形タンクを例にして以下に説明すると、球形タンク方式 のＬＮＧ運搬船は船体内部に球形タンクを内蔵しているため、球形タンクを収納 する船体が球形タンクの外面に沿うように形成されており、この船体の所定位置 に球形タンクを搭載すると、これらの間にはお椀状の隙間が形成されるようにな る。そして、この球形タンク内には−163 ℃の極低温のＬＮＧが積載されるため 、タンク外面には防熱工事が施工されている。As such a spherical tank, a spherical tank in a spherical tank type liquefied natural gas (hereinafter referred to as LNG) carrier will be described as an example. A spherical tank type LNG carrier has a spherical tank inside the hull. Since it is built-in, the hull that houses the spherical tank is formed along the outer surface of the spherical tank.When the spherical tank is mounted at a predetermined position on this hull, a bowl-shaped gap is formed between them. Become so. And since LNG with a cryogenic temperature of -163 ° C is loaded in this spherical tank, heat insulation work is applied to the outer surface of the tank.
【０００４】 このようなＬＮＧの球形タンクは、通常、赤道部（タンク中央部）と北半球部 （赤道部を除いた上半球部）と南半球部（赤道部を除いた下半球部）から構成さ れており、タンク本体の外面に施工する防熱（保冷）工事は、南半球部，赤道部 、北半球部と順に本船に搭載して組立てた後、球形タンクの水圧テスト等を行っ た後に施工されている。Such an LNG spherical tank is usually composed of an equator (the center of the tank), a northern hemisphere (the upper hemisphere excluding the equator) and a southern hemisphere (the lower hemisphere excluding the equator). The heat insulation (cooling) work to be performed on the outer surface of the tank body is carried out after the southern hemisphere, the equator, and the northern hemisphere are mounted on the ship in this order, assembled, and then subjected to a hydraulic test of the spherical tank. There is.
【０００５】 この防熱工事の内、南半球部の防熱工事を行う場合、図８の足場装置を設置し たＬＮＧ運搬船の概略を示す断面図のように、球形タンクＴをタンク支持部材５ １でファンデーションデッキＤ上に搭載した後、球形タンクＴと船体Ｈのバラス トタンク５２との隙間５３にタンクの外面全周に沿った階段状の作業用足場５４ を組立てて架設し、この足場５４から球形タンクＴの緯度に沿って所定の大きさ で分割された防熱材ｉを、作業者がタンク壁ｔの外面に沿って密着させながら取 付けを行っている。そして、南半球部Ｓの防熱工事が終了すると足場５４を分解 して船外へと搬出している。In the case of performing heat insulation work in the southern hemisphere part of this heat insulation work, as shown in the cross-sectional view of the LNG carrier equipped with the scaffolding device in FIG. 8, the spherical tank T is supported by the tank support member 51 as a foundation. After mounting on the deck D, a stepped work scaffold 54 along the entire outer surface of the tank is assembled and erected in the gap 53 between the spherical tank T and the ballast tank 52 of the hull H, and the spherical tank is formed from this scaffold 54. A worker attaches the heat insulating material i, which is divided into a predetermined size along the latitude of T, while closely contacting it with the outer surface of the tank wall t. When the heat insulation work on the southern hemisphere S is completed, the scaffold 54 is disassembled and carried out of the ship.
【０００６】 この種の従来技術として、特開昭58−101972号公報記載の発明があるが、この 発明は、予めその上半球部に沿って旋回する足場を設けておき、これを旋回させ つつ建造作業を行うことにより、作業能率の向上を図ろうとするものであり、本 考案が対象とするような、球形タンクと構造物との隙間が狭い場所における下半 球部の外面工事に適用しようとしても設置することができない。As a conventional technique of this kind, there is an invention described in Japanese Patent Laid-Open No. 58-101972. In this invention, a scaffold for turning along an upper hemisphere portion thereof is provided in advance, and while turning it, It is intended to improve the work efficiency by performing the construction work, and it will be applied to the outer surface work of the lower hemisphere part in the place where the space between the spherical tank and the structure is narrow, which is the target of the present invention. Can not be installed.
【０００７】 また、他の従来技術として、特開昭48− 83131号, 特開昭51−106313号, 実開 昭53− 91016号公報記載の発明又は考案があるが、これらはいずれも球形タンク 下方が開放した地上等においてタンク壁外面を工事するためのものであり、本考 案が対象とするような、球形タンクと構造物との隙間が狭い場所における外面工 事には適用することはできない。Other prior arts include inventions and inventions described in JP-A-48-83131, JP-A-51-106313, and JP-A-53-91016, all of which are spherical tanks. This is for constructing the outer surface of the tank wall on the ground where the lower part is open, and it is not applicable to the outer surface work in the place where the gap between the spherical tank and the structure is narrow, as the target of this proposal. Can not.
【０００８】[0008]
ところで、上述したような球形タンク方式ＬＮＧ運搬船においては、球形タン クＴの外面と船体Ｈとの隙間５３が限られており、例えば、３万立方メートル程 度の球形タンクＴにおいては、球形タンクＴの下部では約１ｍ程度でファンデー ションデッキＤ部では約５ｍ程度となる場合がある。 By the way, in the spherical tank type LNG carrier as described above, the gap 53 between the outer surface of the spherical tank T and the hull H is limited. For example, in the spherical tank T of about 30,000 cubic meters, the spherical tank T It may be about 1 m at the lower part of the deck and about 5 m at the foundation deck D section.
【０００９】 一方、このような球形タンクＴは、例えば直径が約40ｍ程度あり、この球形タ ンクＴの南半球部Ｓに取付ける防熱材ｉは約 800枚〜1000枚にもなる。従って、 上記足場５４とタンク壁ｔとの狭いスペースで、しかも段差の大きい位置からの 防熱工事は、作業効率の悪い工事となっている。On the other hand, such a spherical tank T has a diameter of, for example, about 40 m, and the heat insulating material i attached to the southern hemisphere portion S of the spherical tank T has about 800 to 1000 sheets. Therefore, the heat insulating work from a narrow space between the scaffold 54 and the tank wall t, and a position with a large step is a work with low work efficiency.
【００１０】 また、作業用足場５４を架設する作業も、球形タンクＴと船体Ｈとの限られた 隙間での作業を強いられるため、効率の悪い作業となっている。しかも、この足 場５４は、外面工事施工後に取外して撤去する必要があるため、球形タンクＴの 全周にわたって設けた足場を分解，搬送して撤去する作業も限られた隙間での作 業となり、煩雑な作業となる。Further, the work of constructing the work scaffold 54 is also inefficient because the work in the limited space between the spherical tank T and the hull H is forced. Moreover, since the scaffold 54 needs to be removed and removed after the outer surface construction work, the work of disassembling, transporting and removing the scaffold provided over the entire circumference of the spherical tank T is also an operation with a limited gap. It becomes a complicated work.
【００１１】 更に、この足場５４は、球形タンクＴの容量、すなわち、大きさに適したもの を架設する必要があるため、球形タンクＴの大きさに合った足場を設計して設け る必要がある。Further, the scaffold 54 needs to be constructed so as to be suitable for the capacity, that is, the size of the spherical tank T. Therefore, it is necessary to design and provide the scaffold corresponding to the size of the spherical tank T. is there.
【００１２】 一方、上述したようにして防熱材を南半球部Ｓに取付ける場合、防熱材ｉの搬 入位置から所定の足場まで上下方向に搬送する必要がある。この搬入位置は、通 常、ファンデーションデッキＤの側部に搬入口５５を設けて搬入している。しか も、この防熱材ｉは比較的重量が有るため、防熱材ｉを所定の作業足場まで搬送 するための防熱材搬送用のコンベア等を別途架設する必要がある。その上、南半 球部Ｓの同一緯度に沿って周状に取付ける防熱材ｉを取付け位置まで水平方向に 搬送する必要もある。そのため、防熱材の搬送作業に多大な労力を必要とすると ともに、そのために長期の工事期間を必要としている。On the other hand, when the heat insulating material is attached to the southern hemisphere portion S as described above, it is necessary to vertically convey the heat insulating material i from the carry-in position to a predetermined scaffold. At this carry-in position, a carry-in port 55 is usually provided at the side of the foundation deck D for carrying-in. However, since the heat insulating material i is relatively heavy, it is necessary to separately install a heat insulating material carrying conveyor or the like for carrying the heat insulating material i to a predetermined work scaffold. In addition, it is also necessary to horizontally convey the heat insulating material i, which is mounted circumferentially along the same latitude in the southern hemisphere S, to the mounting position. Therefore, it takes a lot of labor to carry the heat insulating material, and it requires a long construction period.
【００１３】 本考案は上記課題に鑑みて、球形タンクの下半球部と球形タンクを設置する構 造物との狭い隙間に設けることができ、足場の設置・撤去作業が容易で球形タン ク下半球部の外面工事を効率良く行える球形タンク用回転足場装置を提供するこ とを主目的とし、球形タンクの曲率が変わっても、その曲率にほぼ沿うように曲 率を変更することができる球形タンク用回転足場装置を提供すること、および工 事用材料を効率良く搬送することができる球形タンク用回転足場装置を提供する ことを他の目的とする。In view of the above problems, the present invention can be provided in a narrow gap between the lower hemisphere portion of a spherical tank and the structure in which the spherical tank is installed, and the scaffolding installation / removal work is easy and the lower spherical tank hemisphere. The main purpose of the present invention is to provide a rotating scaffolding device for a spherical tank that can efficiently perform the outer surface construction of the part. Even if the curvature of the spherical tank changes, the spherical tank can change the curvature so that it almost conforms to the curvature. Another object of the present invention is to provide a rotary scaffolding device for use in a tank and a rotary scaffolding device for a spherical tank capable of efficiently transporting industrial materials.
【００１４】[0014]
上記目的を達成するために、第１考案における球形タンク用回転足場装置は、 球形タンクを収納する船体と球形タンクとの狭い隙間に設ける球形タンク用回転 足場装置であって、前記球形タンクを支持するファンデーションデッキ上に上部 支持部を設けるとともに、前記船体に球形タンク垂直軸心に中心旋回支持機構を 有する下部支持部を設け、該下部支持部と前記上部支持部とを前記球形タンクの 外面にほぼ沿って複数に分割した足場部材で形成する連結部により連結して一体 化し、前記上部支持部に前記中心旋回支持機構を中心にしてファンデーションデ ッキ上を旋回走行する走行駆動装置を設けたことを特徴とするものである。 In order to achieve the above object, a rotating scaffolding device for a spherical tank according to a first aspect of the present invention is a rotating scaffolding device for a spherical tank, which is provided in a narrow gap between a hull storing the spherical tank and the spherical tank, and which supports the spherical tank. An upper support part is provided on the foundation deck, and a lower support part having a central turning support mechanism is provided on the hull in the vertical axis of the spherical tank, and the lower support part and the upper support part are provided on the outer surface of the spherical tank. A traveling drive device is provided which is connected and integrated by a connecting portion formed by a plurality of scaffolding members that are divided substantially along the upper support portion and which is swiveled around the foundation deck around the center swing support mechanism. It is characterized by that.
【００１５】 第２考案における球形タンク用回転足場装置は、球形タンクを設置する構造物 と球形タンクとの狭い隙間に設ける球形タンク用回転足場装置であって、前記球 形タンク下半球部の上部付近周囲に位置する前記構造物に周状の水平支持部材を 設け、該水平支持部材上に上部支持部を設けるとともに、前記構造物に球形タン ク垂直軸心に中心旋回支持機構を有する下部支持部を設け、該下部支持部と前記 上部支持部とを前記球形タンクの外面にほぼ沿って複数に分割した足場部材で形 成する連結部により連結して一体化し、前記上部支持部に前記中心旋回支持機構 を中心にして水平支持部材上を旋回走行する走行駆動装置を設けたことを特徴と するものである。A rotating scaffolding device for a spherical tank according to a second aspect of the invention is a rotating scaffolding device for a spherical tank, which is provided in a narrow gap between a structure for installing the spherical tank and the spherical tank, wherein the upper part of the lower half hemisphere of the spherical tank. A circumferential horizontal support member is provided on the structure located in the vicinity of the vicinity, an upper support portion is provided on the horizontal support member, and a lower support having a center turning support mechanism on a spherical tank vertical axis is provided on the structure. Is provided, and the lower support portion and the upper support portion are connected and integrated by a connecting portion formed by a plurality of scaffolding members that are divided substantially along the outer surface of the spherical tank, and the central portion is provided on the upper support portion. The present invention is characterized in that a traveling drive device for traveling on a horizontal support member around the swivel support mechanism is provided.
【００１６】 第３考案における球形タンク用回転足場装置は、上記第１考案又は第２考案に おいて、連結部の一部に該連結部の曲率を変化させるスペーサ又は調整用足場部 材を設けたことを特徴とするものである。In the rotary scaffolding device for a spherical tank according to a third aspect of the present invention, in the first or second aspect of the invention, a spacer or an adjusting scaffold member for changing the curvature of the connecting portion is provided in a part of the connecting portion. It is characterized by that.
【００１７】 第４考案における球形タンク用回転足場装置は、上記第１〜第３のいずれかの 考案において、連結部の上下方向に沿って工事材料を搬送する搬送装置を設けた ことを特徴とするものである。A rotary scaffolding device for a spherical tank according to a fourth aspect of the invention is the rotary scaffolding device for a spherical tank according to any one of the first to third aspects of the invention, characterized in that a conveying device for conveying the construction material is provided along the vertical direction of the connecting portion. To do.
【００１８】[0018]
上記第１考案の構成によれば、ファンデーションデッキ上に設けた上部支持部 と、船体の球形タンク垂直軸心に設けた中心旋回支持機構を有する下部支持部と を、球形タンクの外面にほぼ沿って複数に分割した足場部材で形成する連結部に より連結して一体化すると、球形タンクの下半球部と船体との狭い隙間に回転足 場装置を形成することができる。この回転足場装置は、連結部を複数に分割した 足場部材で形成しているため、容易に設置・撤去することができる。 According to the configuration of the first invention, the upper support portion provided on the foundation deck and the lower support portion having the central turning support mechanism provided on the vertical axis of the spherical tank of the hull are provided substantially along the outer surface of the spherical tank. By connecting and integrating with a connecting portion formed by a plurality of scaffolding members, the rotating scaffolding device can be formed in a narrow gap between the lower hemisphere of the spherical tank and the hull. Since this rotating scaffolding device is formed by a scaffolding member in which the connecting portion is divided into a plurality of parts, it can be easily installed / removed.
【００１９】 このようにして球形タンクと船体との隙間に設けた回転足場装置は、上部支持 部にファンデーションデッキ上を走行する走行駆動装置を設けることにより、上 部支持部側を、下部支持部の中心旋回支持機構を中心にしてファンデーションデ ッキ上を旋回走行させることができるため、球形タンクの外面に沿って旋回する 回転足場となる。In the rotary scaffolding device thus provided in the gap between the spherical tank and the hull, the upper support part is provided with a traveling drive device that travels on the foundation deck, so that the upper support part side is lower than the lower support part. Since it can be swung around the foundation deck around the center swivel support mechanism, it becomes a rotating scaffold that swivels along the outer surface of the spherical tank.
【００２０】 上記第２考案の構成によれば、球形タンク下半球部の上部付近周囲に位置する 構造物に設けた周状の水平支持部材上に設けた上部支持部と、構造物の球形タン ク垂直軸心に設けた中心旋回支持機構を有する下部支持部とを、球形タンクの外 面にほぼ沿って複数に分割した足場部材で形成する連結部により連結して一体化 すると、球形タンクの下半球部と構造物との狭い隙間に回転足場装置を形成する ことができる。この回転足場装置は、連結部を複数に分割した足場部材で形成し ているため、容易に設置・撤去することができる。According to the structure of the second aspect, the upper support portion provided on the circumferential horizontal support member provided on the structure located around the upper portion of the lower hemisphere of the spherical tank, and the spherical tank of the structure. (C) When the lower support part having a central turning support mechanism provided on the vertical axis is connected and integrated by a connecting part formed by a plurality of scaffolding members that are divided substantially along the outer surface of the spherical tank, The rotating scaffolding device can be formed in a narrow gap between the lower hemisphere and the structure. Since this rotating scaffolding device is formed by a scaffolding member in which the connecting portion is divided into a plurality of parts, it can be easily installed and removed.
【００２１】 このようにして球形タンクと構造物との隙間に設けた回転足場装置は、上部支 持部に水平支持部材上を走行する走行駆動装置を設けることにより、上部支持部 側を、下部支持部の中心旋回支持機構を中心にして周状に設けた水平支持部材上 で旋回走行させることができるため、球形タンクの外面に沿って旋回する回転足 場となる。In the rotary scaffolding device thus provided in the gap between the spherical tank and the structure, the upper support part is provided with a traveling drive device that travels on the horizontal support member, so that the upper support part side is lowered. Since it can be swiveled and run on a horizontal support member provided in a circumferential shape around the central swivel support mechanism of the support part, it becomes a rotating scaffold that swivels along the outer surface of the spherical tank.
【００２２】 上記第３考案の構成によれば、上記第１考案又は第２考案の作用を奏しつつ、 連結部の一部に設けたスペーサ又は調整用足場部材により連結部の曲率を変化さ せることができる。According to the configuration of the third invention, the curvature of the connecting portion can be changed by the spacer or the adjusting scaffolding member provided in a part of the connecting portion while performing the operation of the first or second invention. be able to.
【００２３】 上記第４考案の構成によれば、上記第１〜第３のいずれかの考案における作用 を奏しつつ、連結部の上下方向に沿って設けた工事用材料を搬送する搬送装置に より、工事用材料を上下方向に搬送することができる。According to the configuration of the above-mentioned fourth invention, it is possible to realize the operation in any one of the above-mentioned first to third inventions, and at the same time, by the carrying device for carrying the construction material provided along the vertical direction of the connecting portion. , The construction material can be conveyed vertically.
【００２４】[0024]
以下、本考案の一実施例を図面に基づいて説明する。 図１は本考案に係る回転足場装置を船舶に適用した第１実施例を示す側面図で あり、図２は図１に示す回転足場装置の平面図で、図３(a) は図１に示す回転足 場装置の下部支持部を示す平面図、(b) は同中央縦断面図である。 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a first embodiment in which the rotating scaffolding device according to the present invention is applied to a ship, FIG. 2 is a plan view of the rotating scaffolding device shown in FIG. 1, and FIG. FIG. 3 is a plan view showing a lower support portion of the rotating scaffolding device shown in FIG.
【００２５】 図示するように、船体Ｈの所定位置には球形タンクＴを支持するファンデーシ ョンデッキＤが形成されており、このファンデーションデッキＤ上の所定位置に タンク支持部材１により支持した球形タンクＴの南半球部Ｓは、船体Ｈ側のバラ ストタンクＨａとの間に狭い隙間２を残すように搭載されている。As shown in the figure, a foundation deck D for supporting the spherical tank T is formed at a predetermined position of the hull H, and a spherical tank T supported by the tank support member 1 is provided at a predetermined position on the foundation deck D. The southern hemisphere portion S is mounted so as to leave a narrow gap 2 between it and the ballast tank Ha on the hull H side.
【００２６】 このように狭い隙間２を残して搭載された南半球部Ｓと船体Ｈとの間には第１ 実施例に係る回転足場装置Ｆが設けられている。この回転足場装置Ｆは、上記フ ァンデーションデッキＤ上に設けられた上部支持部３と、球形タンクＴの垂直軸 心Ｃの位置に中心旋回支持機構Ｍを有する下部支持部４と、これらを連結する連 結部５とにより大きく構成されている。A rotary scaffolding device F according to the first embodiment is provided between the southern hemisphere portion S and the hull H, which are thus mounted with the narrow gap 2 left therebetween. The rotary scaffolding device F includes an upper support portion 3 provided on the foundation deck D, a lower support portion 4 having a central turning support mechanism M at a position of a vertical axis C of the spherical tank T, and these. And a connecting portion 5 that connects the two.
【００２７】 上記上部支持部３は、下部支持部４の中心旋回支持機構Ｍを中心にしてファン デーションデッキＤ上を走行するための車輪６を有するとともに、この車輪６を 駆動するための駆動モータ８を有する走行駆動装置７とを有している。そして、 この走行駆動装置７は水平枠９と垂直枠１０とにより連結部５と連結されており 、連結部５を支持するとともにこの連結部５からの荷重を上記走行駆動装置７へ 伝えている。この走行駆動装置７は、連結部５の端部付近に設けられており、図 ２の平面図に示すように、駆動側の車輪６と従動車輪６ａはファンデーションデ ッキＤ上を円周方向に沿って容易に走行できるように、その旋回円の円周に沿っ て取付けられている。The upper support part 3 has wheels 6 for traveling on the foundation deck D around the center turning support mechanism M of the lower support part 4, and a drive motor for driving the wheels 6. The traveling drive device 7 having the The traveling drive device 7 is connected to the connecting portion 5 by the horizontal frame 9 and the vertical frame 10, supports the connecting portion 5, and transmits the load from the connecting portion 5 to the traveling drive device 7. . The traveling drive device 7 is provided in the vicinity of the end of the connecting portion 5, and as shown in the plan view of FIG. 2, the drive side wheel 6 and the driven wheel 6a are arranged on the foundation deck D in the circumferential direction. It is mounted along the circumference of its turning circle so that it can easily travel along it.
【００２８】 従って、連結部５からの荷重は、水平枠９および垂直枠１０から走行駆動装置 ７へと伝達され、この走行駆動装置７の車輪６を介してファンデーションデッキ Ｄ上で支持されている。また、この上部支持部３は下部支持部４の中心旋回支持 機構Ｍを中心にファンデーションデッキＤ上を旋回走行するので、デッキＤ上に 走行駆動装置７の車輪６を案内するレール等を設ける必要が無く、上部支持部３ の設置および撤去が容易に行える。Therefore, the load from the connecting portion 5 is transmitted from the horizontal frame 9 and the vertical frame 10 to the traveling drive device 7, and is supported on the foundation deck D via the wheels 6 of the traveling drive device 7. . Further, since the upper support portion 3 turns around the foundation deck D around the center turning support mechanism M of the lower support portion 4, it is necessary to provide rails or the like for guiding the wheels 6 of the running drive device 7 on the deck D. There is no need to install and remove the upper support part 3 easily.
【００２９】 なお、上記車輪６は、金属，樹脂等の材質であれば良いが、特に樹脂製の車輪 ６を用いるとファンデーションデッキＤと柔軟な接触となるため、金属車輪のよ うに小さな凸部との接触による走行抵抗の大幅な増加を生じることがなく、走行 時に騒音を発することもない。The wheel 6 may be made of a material such as metal or resin. Particularly, when the wheel 6 made of resin is used, the wheel 6 makes a soft contact with the foundation deck D, so that a small convex portion like a metal wheel is used. There is no significant increase in running resistance due to contact with the car, and no noise is generated during running.
【００３０】 上記下部支持部４は、図３(a),(b) に示すように、球形タンクＴの垂直軸心Ｃ 上に固定する円筒部材１１と、この上部に設けられた回動部材１２と、この回動 部材１２の下部と上記円筒部材１１の上部との間に設けられた旋回ベアリング１ ４により構成された中心旋回支持機構Ｍと、上記回動部材１２の一側方に設けら れた支持アーム１３とにより構成されており、上記旋回ベアリング１４により回 動部材１２側が旋回自在となるように構成されている。そして、上記回動部材１ ２に設けられた支持アーム１３には、連結部５の端部を連結するための支持軸１ ３ａが設けられている。このように連結部５を支持軸１３ａにより上下方向に回 動自在に支持しているため、ファンデーションデッキＤが起伏していても自由に 上下することができる。As shown in FIGS. 3 (a) and 3 (b), the lower support portion 4 includes a cylindrical member 11 fixed on the vertical axis C of the spherical tank T, and a rotating member provided on the upper portion thereof. 12, a central swivel support mechanism M composed of a swivel bearing 14 provided between the lower part of the swivel member 12 and the upper part of the cylindrical member 11, and provided on one side of the swivel member 12. The support arm 13 is attached to the rotary arm 12 and the rotary bearing 14 allows the rotary member 12 to rotate. The support arm 13 provided on the rotating member 12 is provided with a support shaft 13a for connecting the ends of the connecting portion 5. Since the connecting portion 5 is rotatably supported by the support shaft 13a in the vertical direction in this manner, it can be freely moved up and down even when the foundation deck D is undulating.
【００３１】 また、中心旋回支持機構Ｍの円筒部材１１および回動部材１２は中空の円筒状 に形成されており、この中空部に上述した上部支持部３や作業場所で使用する機 器の動力源である電力を供給するスリップリング１５が設けられている。このス リップリング１５は、上部を回動部材１２側に固定して回動自在に保持しており 、下部は配管１６により円筒部材１１側とともに回動しないようにしている。こ のように旋回する回転足場装置Ｆの唯一固定部である下部支持部４の中心旋回支 持機構Ｍにスリップリング１５を設けて動力を供給することにより、動力用電線 等を旋回させた時に生じる配線のねじれ等の問題を生じることなく確実に供給す ることができる。なお、電力以外に圧縮空気等を供給する場合でも同様に可能で ある。Further, the cylindrical member 11 and the rotating member 12 of the central turning support mechanism M are formed in a hollow cylindrical shape, and the power of the equipment used at the upper support portion 3 and the work place described above is formed in the hollow portion. A slip ring 15 that supplies electric power that is a source is provided. The upper portion of the slip ring 15 is fixed to the rotating member 12 side so as to be rotatable, and the lower portion is prevented from rotating together with the cylindrical member 11 side by a pipe 16. When the slip ring 15 is provided to the central turning support mechanism M of the lower support part 4 which is the only fixed part of the rotating scaffolding device F which turns like this, power is supplied when turning the power cable or the like. It is possible to reliably supply the wiring without causing problems such as twisting of the wiring. Note that the same is possible when supplying compressed air or the like in addition to electric power.
【００３２】 上記連結部５は、図１に示すように、複数に分割した足場部材により形成され ており、最下部に位置するほぼ水平配置の下部足場部材５Ａと、この下部足場部 材５Ａに連結された緩傾斜の中間足場部材５Ｂと、この中間足場部材５Ｂに連結 された複数の上部足場部材５Ｃとから構成されている。この上部足場部材５Ｃは 複数のブロックを組合せることにより形成されたものであり、連結して組合せた 時に球形タンクＴの曲率にほぼ沿うように、両端面の継手面がわずかに傾斜した 方形状の各上部足場部材５Ｃを図示しないボルト・ナットを用いて連結すること により形成している。そして、上記下部足場部材５Ａにはほぼ水平の足場板５ａ が設けられ、上記中間足場部材５Ｂには緩傾斜の足場板５ｂが設けられ、上記上 部足場部材５Ｃにはそれぞれの取付け位置においてほぼ水平となる足場板５ｃが それぞれ設けられている。また、この連結部５を複数に分割した足場部材５Ａ〜 ５Ｃで形成しているので、継手部を分解することにより複数の部品となるため、 狭い隙間２での分解・撤去作業が容易に行える。As shown in FIG. 1, the connecting portion 5 is formed by a plurality of divided scaffold members. The lower scaffold member 5A is located at the lowermost part and is arranged substantially horizontally, and the lower scaffold member 5A. It is composed of a moderately inclined intermediate scaffold member 5B connected to each other and a plurality of upper scaffold members 5C connected to the intermediate scaffold member 5B. The upper scaffold member 5C is formed by combining a plurality of blocks, and the joint surfaces of both end surfaces are slightly inclined so as to substantially follow the curvature of the spherical tank T when combined and combined. The upper scaffold members 5C are formed by connecting them using bolts and nuts (not shown). The lower scaffolding member 5A is provided with a substantially horizontal scaffolding plate 5a, the intermediate scaffolding member 5B is provided with a gently sloping scaffolding plate 5b, and the upper scaffolding member 5C is substantially attached at each mounting position. Horizontal scaffolding boards 5c are provided respectively. Further, since the connecting portion 5 is formed of the scaffold members 5A to 5C divided into a plurality of parts, the joint portion is disassembled into a plurality of parts, so that the disassembling / removing work in the narrow gap 2 can be easily performed. .
【００３３】 このようにして上部支持部３と下部支持部４とを連結した連結部５は、球形タ ンクＴの外面にほぼ沿った形状で南半球部Ｓと船体Ｈとの隙間２に設けられてい る。The connecting portion 5 that connects the upper supporting portion 3 and the lower supporting portion 4 in this manner is provided in the gap 2 between the southern hemisphere portion S and the hull H in a shape substantially along the outer surface of the spherical tank T. ing.
【００３４】 また、上記各上部足場部材５Ｃに設けた足場板５ｃは、側面視において階段状 の足場を形成しており、これらの足場板５ｃ間が垂直方向に相当の距離（約１ｍ 前後の段差）があるため、図２の平面図に示すように梯子５ｄが設けられている 。このように高い位置に設けられる足場部材５Ｃの足場板５ｃを階段状に形成す ることにより安全な作業が行える。なお、上記各足場部材５Ａ〜５Ｃに設けられ た足場板５ａ〜５ｃを全て階段状に形成してもよい。また、各上部足場部材５Ｃ の側部には安全上の手すり５ｅがそれぞれ設けられている。The scaffolding plates 5c provided on the upper scaffolding members 5C form a staircase-like scaffolding in a side view, and the scaffolding plates 5c have a considerable vertical distance (about 1 m Since there is a step, a ladder 5d is provided as shown in the plan view of FIG. By forming the scaffolding plate 5c of the scaffolding member 5C provided at such a high position in a stepwise manner, safe work can be performed. The scaffold plates 5a to 5c provided on each of the scaffold members 5A to 5C may be formed in a staircase shape. Further, a handrail 5e for safety is provided on each side of each upper scaffold member 5C.
【００３５】 更に、上記上部足場部材５Ｃの下面には足場下面を覆うカバー部材５ｆが設け られている。このカバー部材５ｆは、例えば、帆布等により上部足場部材５Ｃの 下面を覆うことができるようなものであればよく、連結部５から作業部材の切断 屑や工具等の落下を防止しており、作業場所において生じる屑等の受けとして作 用する。Further, a cover member 5f that covers the lower surface of the scaffold is provided on the lower surface of the upper scaffold member 5C. The cover member 5f may be any one that can cover the lower surface of the upper scaffold member 5C with, for example, a canvas, and prevents cutting chips and tools of the working member from falling from the connecting portion 5. It is used as a receiver for scraps generated at the work place.
【００３６】 なお、上記いずれの足場板５ａ〜５ｃも、この実施例ではチェッカードプレー トを用いており、この実施例では上部足場部材５Ｃの上から４番目の足場板５ｃ を取外し可能に構成することにより、船体Ｈの側部に設けた搬入口１７から搬入 した作業部材等を、後述する搬送装置１９へ容易に積込めるように構成している 。この実施例では搬入口１７にチェーンブロック１７ａを設けている。It should be noted that all of the scaffold plates 5a to 5c described above use checkered plates in this embodiment, and in this embodiment, the fourth scaffold plate 5c from the top of the upper scaffold member 5C can be removed. By doing so, the working members and the like carried in from the carry-in port 17 provided on the side portion of the hull H are configured to be easily loaded into the carrying device 19 described later. In this embodiment, the carry-in port 17 is provided with a chain block 17a.
【００３７】 ところで、この第１実施例における回転足場装置Ｆは、この実施例では容量が 約３万立方メートル程度の球形タンクＴ用のものを例にしているが、この回転足 場装置Ｆは他の容量の球形タンクであっても容易に適用可能である。すなわち、 球形タンクＴの大きさ、つまり、球形タンクＴの直径に応じた曲率半径の回転足 場装置Ｆを容易に形成することができる。この曲率の変更は、例えば、図４(a), (b) の模式図に示すように、タンク直径の変化が少ない場合には、図４(a) のよ うに例えば中間足場部材５Ｂと上部足場部材５Ｃとの間の継手部にパッキンやデ ィスタンスピース等のスペーサ１８を設け、その着脱により調整し、タンク直径 の変化が大きい場合には、図４(b) のように中間足場部材５Ｂと上部足場部材５ Ｃとの間、又は下部足場部材５Ａと中間足場部材５Ｂとの間に別構成の調整用足 場部材５Ｄを設けるか、予め一部の足場部材の長さを所望の長さにした調整用足 場部材５Ｄとして組合せて連結部５を形成することにより容易にできる。By the way, the rotary scaffolding device F in the first embodiment is an example for a spherical tank T having a capacity of about 30,000 cubic meters in this embodiment, but this rotary scaffolding device F is not Even a spherical tank having a capacity of 3 can be easily applied. That is, it is possible to easily form the rotating scaffolding device F having a radius of curvature corresponding to the size of the spherical tank T, that is, the diameter of the spherical tank T. For example, as shown in the schematic diagrams of FIGS. 4 (a) and (b), when the tank diameter changes little, the curvature can be changed by, for example, the intermediate scaffold member 5B and the upper portion as shown in FIG. 4 (a). If a spacer 18 such as packing or distance piece is provided at the joint between the scaffold member 5C and the spacer 18 is attached and detached, and if the tank diameter changes greatly, the intermediate scaffold member as shown in Fig. 4 (b). 5B and the upper scaffolding member 5C, or between the lower scaffolding member 5A and the intermediate scaffolding member 5B, another adjusting scaffolding member 5D is provided, or a part of the scaffolding member has a desired length in advance. This can be easily done by combining the scaffold members 5D for adjusting the length to form the connecting portion 5.
【００３８】 一方、この実施例では、図２の平面図に示すように、上部足場部材５Ｃと中間 足場部材５Ｂの一方の側部に工事材料を搬送するための搬送装置１９が設けられ ている。この搬送装置１９は、回転足場装置Ｆと平行に設けられた２本のレール ２０ａと、このレール２０ａを下部で支持する支持材２０ｂとから構成されたレ ール部材２０と、このレール２０ａ上を上下方向に走行する台車２１と、この台 車２１を昇降させる駆動モータ２２とから構成されている。この駆動モータ２２ は、図１に示すように上端の上部足場部材５Ｃの上部に設けられており、図示し ないワイヤにより台車２１と連結されている。この搬送装置１９は、例えば防熱 工事の場合には主として防熱材ｉを搬送し、その他に工具を入れた作業箱等の工 事材料を搬送してもよい。On the other hand, in this embodiment, as shown in the plan view of FIG. 2, a transport device 19 for transporting the construction material is provided on one side of the upper scaffold member 5C and the intermediate scaffold member 5B. . The carrying device 19 includes a rail member 20 including two rails 20a provided in parallel with the rotary scaffolding device F and a support member 20b for supporting the rail 20a at a lower portion, and a rail member 20 on the rail 20a. It is composed of a trolley 21 that travels in the vertical direction and a drive motor 22 that raises and lowers the trolley 21. The drive motor 22 is provided on the upper portion of the upper scaffold member 5C at the upper end as shown in FIG. 1, and is connected to the carriage 21 by a wire (not shown). For example, in the case of heat insulating work, the carrying device 19 may mainly carry the heat insulating material i, and may also carry other work materials such as a work box containing a tool.
【００３９】 このように形成された回転足場装置Ｆは、足場板５ａ〜５ｃとタンク壁ｔとの 間を任意な距離に設定することが可能であり、例えばこの間を１ｍ程度に設定す ることも容易にできるため、作業し易い距離を自由に設定することができる。In the rotary scaffolding device F thus formed, the distance between the scaffold plates 5a to 5c and the tank wall t can be set to an arbitrary distance, and for example, the distance can be set to about 1 m. Since it can be easily performed, the working distance can be freely set.
【００４０】 以上のように構成された第１実施例の回転足場装置Ｆは、図５の回転足場装置 を設置した球形タンク方式ＬＮＧ運搬船の概略を示す断面図のように船体Ｈの所 定位置に設けられ、図６の同回転足場装置を設置した球形タンク方式ＬＮＧ運搬 船の一部を示す平面図のように、球形タンクＴの垂直軸心Ｃ位置に設けられた中 心旋回支持機構Ｍを中心にして上部支持部３側がファンデーションデッキＤ上を 旋回走行することができ、この第１実施例により防熱工事を行う場合、例えば、 ポリウレタンフォーム，フェノールフォーム等の防熱材ｉをタンク壁ｔに密着さ せて以下のように取付けて行く。The rotary scaffolding device F of the first embodiment configured as described above has a fixed position of the hull H as shown in a sectional view showing an outline of a spherical tank type LNG carrier equipped with the rotary scaffolding device of FIG. As shown in a plan view of a part of a spherical tank type LNG carrier equipped with the same rotary scaffolding device as shown in FIG. 6, a center swing support mechanism M provided at a vertical axis C position of the spherical tank T. The upper support part 3 side can turn around the foundation deck D around the center of the tank, and when heat insulating work is performed by this first embodiment, for example, a heat insulating material i such as polyurethane foam or phenol foam is attached to the tank wall t. Put them in close contact and attach as follows.
【００４１】 すなわち、南半球部Ｓにおける防熱工事は、上述したようにタンク壁ｔの外面 に沿って順次取付け作業を行うため、作業を行う場所の移動に伴って、順次、回 転足場装置Ｆを旋回させながら作業を行う。この作業は、足場板５ａ〜５ｃとタ ンク壁ｔとの間を所定の距離に保った状態で旋回しながら行うため、極めて効率 的に行うことが可能となり大幅な労力と時間の軽減が可能となる。That is, in the heat insulating work in the southern hemisphere S, since the mounting work is sequentially performed along the outer surface of the tank wall t as described above, the rolling scaffolding device F is sequentially mounted along with the movement of the work place. Work while turning. This work is performed while turning while keeping the distance between the scaffold plates 5a to 5c and the tank wall t at a predetermined distance, so that the work can be performed extremely efficiently, and the labor and time can be significantly reduced. Becomes
【００４２】 また、この作業は、作業位置の下部に回転足場装置Ｆを旋回させて作業を行う ため、工事施工時に生じるウレタン等の屑は全て足場板５ａ〜５ｃ上に落ち、し かも、足場板５ｃの下面側にはカバー部材５ｆが設けられているため、工事によ り生じる屑は作業している所に溜まる。従って、工事後の清掃もこの回転足場装 置ｆ上を清掃すれば良くなり、大幅な作業時間と労力の軽減が可能となる。Further, since this work is performed by rotating the rotary scaffolding device F to the lower part of the work position, all the scraps such as urethane generated during the construction work fall on the scaffold plates 5a to 5c, and the scaffolding may be carried out. Since the cover member 5f is provided on the lower surface side of the plate 5c, debris generated by the work is collected at the place where the work is performed. Therefore, cleaning after the construction can be performed by cleaning the rotary scaffolding device f, and the working time and labor can be greatly reduced.
【００４３】 なお、回転足場装置Ｆの旋回駆動を作業者が適宜行えるように手元にリモート コントロールスイッチ等を設ければ、作業の進捗状況に応じて作業者の判断によ り回転足場装置Ｆを旋回させることができるので、作業能率を更に向上させるこ とができる。この場合、安全上、駆動装置７近傍に強制停止ボタン等を設けてフ ァンデーションデッキＤ上からでも強制停止させることができるようにすればよ い。If a remote control switch or the like is provided at hand so that the operator can appropriately rotate the rotating scaffolding device F, the rotating scaffolding device F can be determined by the operator according to the progress of the work. Since it can be turned, work efficiency can be further improved. In this case, for safety, a forced stop button or the like may be provided near the drive unit 7 so that the forced stop can be performed even on the foundation deck D.
【００４４】 次に、船舶のようなファンデーションデッキＤの無い場所等に設ける回転足場 装置の第２実施例を、図７の上部支持部を示す側面図に基づいて説明する。なお 、この第２実施例では、上述した第１実施例における上部支持部３を旋回可能に 支持する走行駆動装置７とファンデーションデッキＤの構成のみが異なるため、 上部支持部とその支持構造のみを説明する。Next, a second embodiment of the rotating scaffolding device provided in a place where the foundation deck D is not provided, such as a ship, will be described based on the side view showing the upper support portion of FIG. In this second embodiment, only the structure of the drive deck 7 and the foundation deck D that rotatably supports the upper support portion 3 in the above-described first embodiment is different, so only the upper support portion and its support structure are provided. explain.
【００４５】 この第２実施例では、構造物たる側壁２３の所定位置に上部支持部２５を支持 するための水平支持部材たる支持デッキ２４を設けたものであり、この支持デッ キ２４は南半球部Ｓの上部付近周囲に位置する側壁２３に周状に設けられている 。そして、この支持デッキ２４の上部には回転足場装置Ｆ2 を上部で支持する上 部支持部２５の車輪２６が載っている。この車輪２６を駆動するための駆動モー タ２８を有する走行駆動装置２７は支持枠２９により連結部５と連結されており 、連結部５からの荷重は上部支持部２５の走行駆動装置２７を介して支持デッキ ２４へと伝達される。In the second embodiment, a supporting deck 24 which is a horizontal supporting member for supporting the upper supporting portion 25 is provided at a predetermined position of the side wall 23 which is a structure, and the supporting deck 24 has a southern hemisphere portion. It is circumferentially provided on the side wall 23 located around the upper part of S. The wheels 26 of the upper support portion 25 that supports the rotating scaffolding device F 2 on the upper portion are mounted on the upper portion of the support deck 24. A traveling drive device 27 having a drive motor 28 for driving the wheels 26 is connected to the connecting portion 5 by a support frame 29, and a load from the connecting portion 5 is passed through the traveling drive device 27 of the upper support portion 25. Is transmitted to the support deck 24.
【００４６】 このように構成した第２実施例の回転足場装置Ｆ2 によれば、上述した第１実 施例の回転足場装置Ｆと同様に、下部支持部４の中心支持部を中心にし、上部支 持部２５が支持デッキ２４上を走行することができるので、南半球部Ｓのタンク 壁ｔに沿って旋回しながら作業を行うことができるため、上述した第１実施例と 同様に作業効率の大幅な向上が可能となる。According to the rotating scaffolding device F 2 of the second embodiment configured as described above, like the rotating scaffolding device F of the first embodiment described above, with the center support portion of the lower support portion 4 as the center, Since the upper support portion 25 can travel on the support deck 24, the work can be performed while turning along the tank wall t of the southern hemisphere portion S. Therefore, the work efficiency is the same as in the first embodiment described above. Can be significantly improved.
【００４７】 なお、この第２実施例における他の構成および作用は上述した第１実施例と同 様であるため、説明は省略する。Since the other structure and operation of the second embodiment are the same as those of the first embodiment, the description thereof will be omitted.
【００４８】 また、上述したタンク支持構造以外の支持構造で球形タンクを支持するととも に、回転足場装置の旋回に支障を来すことがない状態で支持している場合には、 下半球部の上部付近までの高さを有する回転足場装置を設けてもよく、回転足場 装置の高さは設置条件等に応じて適宜決定すればよい。In addition, when the spherical tank is supported by a supporting structure other than the above-mentioned tank supporting structure and is supported in a state where it does not hinder the turning of the rotary scaffolding device, A rotary scaffolding device having a height up to the vicinity of the upper part may be provided, and the height of the rotary scaffolding device may be appropriately determined according to installation conditions and the like.
【００４９】[0049]
本考案は、以上説明したように構成しているので、以下に記載するような効果 を奏する。 Since the present invention is configured as described above, it has the following effects.
【００５０】 第１考案によれば、球形タンクの下半球部と構造物との狭い隙間に回転足場装 置を設置することができ、また、足場が球形タンク外面の円弧にほぼ沿って形成 されているため、タンク外面と足場との距離を作業に適した距離にすることが容 易にできるので効率的な作業が行える。また、回転足場装置を旋回させて作業場 所を変更しながら外面工事を行えるので、作業を行う複数の作業者および材料， 工具等を乗せたまま旋回するので、作業効率の大幅な向上が可能となる。また、 足場部材の足場板を階段状に形成することにより安全な作業が行える。更に、回 転足場装置の設置・撤去作業も連結部を複数に分割したブロックで形成している ため容易に行える。According to the first invention, the rotating scaffolding device can be installed in a narrow gap between the lower hemisphere portion of the spherical tank and the structure, and the scaffolding is formed substantially along the arc of the outer surface of the spherical tank. Therefore, it is easy to set the distance between the outer surface of the tank and the scaffold to a distance suitable for the work, and efficient work can be performed. In addition, since the outer surface work can be performed while turning the rotating scaffolding device to change the work place, it is possible to turn while holding multiple workers, materials, tools, etc. to perform work, and it is possible to greatly improve work efficiency. Become. In addition, by forming the scaffolding plate of the scaffolding member in a step shape, safe work can be performed. Furthermore, the work of installing and removing the rotating scaffolding device can be easily performed because the connecting part is formed by multiple blocks.
【００５１】 第２考案によれば、船舶のようなファンデーションデッキ等が無い構造物であ っても、それに代わる水平支持部材を設けることにより、上記第１考案と同一の 効果を奏することができる。According to the second aspect of the invention, even in a structure such as a ship without a foundation deck, by providing a horizontal support member instead of the foundation deck, the same effect as that of the first aspect can be obtained. .
【００５２】 第３考案によれば、上記第１考案又は第２考案の効果を奏しつつ、連結部の一 部に設けた調整用足場部材やスペーサの着脱により連結部の曲率を任意に変化さ せることができるため、球形タンクの外径が変化しても曲率を変化させた回転足 場装置を容易に形成することができる。According to the third aspect of the invention, while exhibiting the effects of the first or second aspect of the invention, the curvature of the connecting portion can be arbitrarily changed by attaching or detaching the adjusting scaffold member or the spacer provided at a part of the connecting portion. Therefore, even if the outer diameter of the spherical tank changes, it is possible to easily form a rotating scaffolding device having a changed curvature.
【００５３】 第４考案によれば、上記第１〜第３のいずれかの考案における効果を奏しつつ 、連結部の上下方向に沿って設けた搬送装置により、防熱材等の工事材料を効率 良く搬送することができるため、より効率の高い工事が可能となる。According to the fourth aspect of the invention, while exhibiting the effect of any one of the first to third aspects of the invention, the construction material such as the heat insulating material can be efficiently provided by the conveying device provided along the vertical direction of the connecting portion. Since it can be transported, more efficient construction is possible.
【図１】本考案に係る回転足場装置の第１実施例を示す
側面図である。FIG. 1 is a side view showing a first embodiment of a rotary scaffolding device according to the present invention.
【図２】図１に示す回転足場装置の平面図である。FIG. 2 is a plan view of the rotary scaffolding device shown in FIG.
【図３】(a) は図１に示す回転足場装置の下部支持部を
示す平面図であり、(b) は同中央縦断面図である。3 (a) is a plan view showing a lower support portion of the rotary scaffolding device shown in FIG. 1, and FIG. 3 (b) is a central longitudinal sectional view of the same.
【図４】(a),(b) は、回転足場装置の曲率を変化させる
方法を示す模式図である。4A and 4B are schematic diagrams showing a method of changing the curvature of a rotating scaffolding device.
【図５】本考案に係る回転足場装置を設置した球形タン
ク方式ＬＮＧ運搬船の概略を示す断面図である。FIG. 5 is a schematic cross-sectional view of a spherical tank type LNG carrier equipped with a rotary scaffolding device according to the present invention.
【図６】図５に示す回転足場装置を設置した球形タンク
方式ＬＮＧ運搬船の一部を示す平面図である。6 is a plan view showing a part of a spherical tank type LNG carrier equipped with the rotary scaffolding device shown in FIG. 5. FIG.
【図７】本考案に係る第２実施例の上部支持部を示す側
面図である。FIG. 7 is a side view showing an upper support portion of a second embodiment according to the present invention.
【図８】従来の足場装置を設置した球形タンク方式ＬＮ
Ｇ運搬船の概略を示す断面図である。FIG. 8: Spherical tank type LN equipped with a conventional scaffolding device
It is sectional drawing which shows the outline of a G carrier ship.
１…タンク支持部材 ２…隙間 ３…上部支持部 ４…下部支持部 ５…連結部 ５Ａ…下部足場部材 ５Ｂ…中間足場部材 ５Ｃ…上部足場部材 ５Ｄ…調整用足場部材 ５ａ，５ｂ，５ｃ…足場板 ５ｆ…カバー部材 ６…車輪 ７…走行駆動装置 ８…駆動モータ １１…円筒部材 １２…回動部材 １３…支持アーム １４…旋回ベアリング １５…スリップリング １７…搬入口 １８…スペーサ １９…搬送装置 ２０…レール部材 ２１…台車 ２２…駆動モータ ２４…支持デッキ（水平支持部材） ２５…上部支持部 ２６…車輪 ２７…走行駆動装置 Ｔ…球形タンク Ｓ…南半球部 Ｃ…垂直軸心 Ｍ…中心旋回支持機構 Ｄ…ファンデーションデッキ ｔ…タンク壁 ｉ…防熱材 Ｆ…回転足場装置 Ｆ2 …回転足場装置DESCRIPTION OF SYMBOLS 1 ... Tank support member 2 ... Gap 3 ... Upper support part 4 ... Lower support part 5 ... Connection part 5A ... Lower scaffold member 5B ... Intermediate scaffold member 5C ... Upper scaffold member 5D ... Adjustment scaffold member 5a, 5b, 5c ... Scaffold Plate 5f ... Cover member 6 ... Wheel 7 ... Traveling drive device 8 ... Drive motor 11 ... Cylindrical member 12 ... Rotating member 13 ... Support arm 14 ... Slewing bearing 15 ... Slip ring 17 ... Carrying port 18 ... Spacer 19 ... Conveyor device 20 ... Rail member 21 ... Bogie 22 ... Drive motor 24 ... Support deck (horizontal support member) 25 ... Upper support part 26 ... Wheels 27 ... Traveling drive device T ... Spherical tank S ... Southern hemisphere C ... Vertical axis M ... Center turning support mechanism D ... foundation deck t ... tank wall i ... heat shield F ... rotation scaffold F 2 ... rotation scaffold
Claims (4)
との狭い隙間に設ける球形タンク用回転足場装置であっ
て、 前記球形タンクを支持するファンデーションデッキ上に
上部支持部を設けるとともに、前記船体に球形タンク垂
直軸心に中心旋回支持機構を有する下部支持部を設け、
該下部支持部と前記上部支持部とを前記球形タンクの外
面にほぼ沿って複数に分割した足場部材で形成する連結
部により連結して一体化し、前記上部支持部に前記中心
旋回支持機構を中心にしてファンデーションデッキ上を
旋回走行する走行駆動装置を設けたことを特徴とする球
形タンク用回転足場装置。1. A rotary scaffolding device for a spherical tank, which is provided in a narrow gap between a hull for accommodating the spherical tank and the spherical tank, wherein an upper support portion is provided on a foundation deck for supporting the spherical tank, and the hull is provided on the hull. A lower support part having a central turning support mechanism is provided on the vertical axis of the spherical tank,
The lower support part and the upper support part are connected and integrated by a connecting part formed by a plurality of scaffolding members that are divided substantially along the outer surface of the spherical tank, and the central turning support mechanism is centered on the upper support part. A rotary scaffolding device for a spherical tank, which is provided with a traveling drive device that turns on a foundation deck.
クとの狭い隙間に設ける球形タンク用回転足場装置であ
って、 前記球形タンク下半球部の上部付近周囲に位置する前記
構造物に周状の水平支持部材を設け、該水平支持部材上
に上部支持部を設けるとともに、前記構造物に球形タン
ク垂直軸心に中心旋回支持機構を有する下部支持部を設
け、該下部支持部と前記上部支持部とを前記球形タンク
の外面にほぼ沿って複数に分割した足場部材で形成する
連結部により連結して一体化し、前記上部支持部に前記
中心旋回支持機構を中心にして水平支持部材上を旋回走
行する走行駆動装置を設けたことを特徴とする球形タン
ク用回転足場装置。2. A rotary scaffolding device for a spherical tank, which is provided in a narrow gap between a structure in which the spherical tank is installed and the spherical tank, wherein the structure is circumferentially arranged around the upper part of the lower hemisphere of the spherical tank. A horizontal support member is provided, an upper support portion is provided on the horizontal support member, and a lower support portion having a central swivel support mechanism is provided on the structure in the vertical axis of the spherical tank. Part is connected and integrated by a connecting part formed by a plurality of scaffolding members that are divided substantially along the outer surface of the spherical tank, and is pivoted on a horizontal support member around the central pivot support mechanism in the upper support part. A rotating scaffolding device for a spherical tank, which is provided with a traveling drive device for traveling.
せるスペーサ又は調整用足場部材を設けたことを特徴と
する請求項１又は請求項２記載の球形タンク用回転足場
装置。3. The rotating scaffolding device for a spherical tank according to claim 1, wherein a spacer or an adjusting scaffolding member for changing the curvature of the connecting portion is provided in a part of the connecting portion.
送する搬送装置を設けたことを特徴とする請求項１〜３
のいずれか１項に記載の球形タンク用回転足場装置。4. A transfer device for transferring the construction material is provided along the vertical direction of the connecting portion.
The rotating scaffolding device for a spherical tank according to any one of 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993067685U JP2533394Y2 (en) | 1993-12-20 | 1993-12-20 | Rotating scaffolding equipment for spherical tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993067685U JP2533394Y2 (en) | 1993-12-20 | 1993-12-20 | Rotating scaffolding equipment for spherical tanks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0738428U true JPH0738428U (en) | 1995-07-14 |
| JP2533394Y2 JP2533394Y2 (en) | 1997-04-23 |
Family
ID=13352100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993067685U Expired - Lifetime JP2533394Y2 (en) | 1993-12-20 | 1993-12-20 | Rotating scaffolding equipment for spherical tanks |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2533394Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018066215A (en) * | 2016-10-20 | 2018-04-26 | 株式会社 南組 | Movable work platform for repairing building |
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|---|---|---|---|---|
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| JPS5391016U (en) * | 1976-12-27 | 1978-07-25 | ||
| JPS5662988U (en) * | 1979-10-18 | 1981-05-27 | ||
| JPS58101972A (en) * | 1981-12-15 | 1983-06-17 | 石川島播磨重工業株式会社 | Building of spherical holder |
-
1993
- 1993-12-20 JP JP1993067685U patent/JP2533394Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4883131A (en) * | 1972-02-10 | 1973-11-06 | ||
| JPS4950515A (en) * | 1972-09-20 | 1974-05-16 | ||
| JPS51106313A (en) * | 1975-03-14 | 1976-09-21 | Kawasaki Heavy Ind Ltd | KYUGATATANKUYOASHIBASOCHI |
| JPS5391016U (en) * | 1976-12-27 | 1978-07-25 | ||
| JPS5662988U (en) * | 1979-10-18 | 1981-05-27 | ||
| JPS58101972A (en) * | 1981-12-15 | 1983-06-17 | 石川島播磨重工業株式会社 | Building of spherical holder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018066215A (en) * | 2016-10-20 | 2018-04-26 | 株式会社 南組 | Movable work platform for repairing building |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2533394Y2 (en) | 1997-04-23 |
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