JP2002276150A - Simplified scaffolding - Google Patents

Simplified scaffolding

Info

Publication number
JP2002276150A
JP2002276150A JP2001081138A JP2001081138A JP2002276150A JP 2002276150 A JP2002276150 A JP 2002276150A JP 2001081138 A JP2001081138 A JP 2001081138A JP 2001081138 A JP2001081138 A JP 2001081138A JP 2002276150 A JP2002276150 A JP 2002276150A
Authority
JP
Japan
Prior art keywords
tank
base member
scaffold
base
peripheral surface
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.)
Withdrawn
Application number
JP2001081138A
Other languages
Japanese (ja)
Inventor
Haruhiko Kuwabara
晴彦 桑原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinko Pantec Co Ltd
Original Assignee
Shinko Pantec Co Ltd
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 Shinko Pantec Co Ltd filed Critical Shinko Pantec Co Ltd
Priority to JP2001081138A priority Critical patent/JP2002276150A/en
Publication of JP2002276150A publication Critical patent/JP2002276150A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • E04G3/246Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building

Abstract

PROBLEM TO BE SOLVED: To provide simplified scaffolding which can be easily and safely set in a tank. SOLUTION: The simplified scaffolding is set in the tank in order that a worker can conduct work for an internal peripheral surface of the tank, and comprised of a long base member, a first fixing member, a workbench, and a second fixing member. The long base member is arranged in the tank along the vertical direction, and allows the worker to vertically move along the same. The first fixing member functions to erect the base member in the tank. The workbench is connected to the base member, and functions as a scaffold for the worker during execution of work. The second fixing member has its base- side end connected to the workbench or the base member, and its front end arranged on the tank internal peripheral surface in a manner being capable of pressing the same.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、タンクの内周面の
検査や補修の際に該タンク内に設置される簡易足場に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple scaffold installed in a tank when inspecting or repairing the inner peripheral surface of the tank.

【0002】[0002]

【従来の技術】内部スペースに所定物質を保管する為の
収容タンクや、内部スペースで複数の物質を反応させる
為の反応タンク等のタンクには、前記内部スペースに人
が入り込めるような大型タンクが存在する。
2. Description of the Related Art Large tanks, such as a storage tank for storing a predetermined substance in an internal space and a reaction tank for reacting a plurality of substances in the internal space, are large enough to allow a person to enter the internal space. Exists.

【0003】このような大型タンクの場合、収容物質と
接触する内周面が腐食や打痕によって損傷していないか
を検査したり、場合によっては該内周面の補修を行う必
要がある。例えば、化学薬品を反応させる為の反応缶と
して使用されるタンクは、内部収容スペースが酸性又は
アルカリ性の腐食雰囲気となることに鑑み、内周面にグ
ラスライニング,ステンレス,チタン,PTFE等の耐
食材料がコーティングされるているが、経年劣化によっ
て該コーティング部に欠陥が生じる恐れがある。
[0003] In the case of such a large tank, it is necessary to inspect whether the inner peripheral surface that comes into contact with the contained material is damaged by corrosion or dents, or to repair the inner peripheral surface in some cases. For example, a tank used as a reaction vessel for reacting chemicals is made of a corrosion-resistant material such as glass lining, stainless steel, titanium, PTFE, etc. Is coated, but there is a possibility that the coating may be defective due to aging.

【0004】前述のような検査や補修作業を行う際、従
来、作業者はタンク内部に自立式の足場を組み上げ、該
自立式足場を利用してタンク内周面への作業を行ってい
た。即ち、検査器具を使用するような精密な検査や、タ
ンク内周面の補修を行う際には、作業者はタンク内周面
に近接して作業する必要がある。作業箇所が作業者の背
丈程度の高さであれば、タンク底面に立った状態で作業
可能であるが、作業箇所の高さが数メートルを越えるよ
うな場合には、足場を用いる必要がある。
Conventionally, when performing the above-described inspection and repair work, a worker has set up a self-supporting scaffold inside the tank, and has performed work on the inner peripheral surface of the tank using the self-supporting scaffold. That is, when performing a precise inspection using an inspection instrument or repairing the inner peripheral surface of the tank, the operator needs to work close to the inner peripheral surface of the tank. If the work location is about the height of the worker, it is possible to work while standing on the bottom of the tank, but if the height of the work location exceeds several meters, it is necessary to use a scaffold .

【0005】しかしながら、従来使用されていた足場
は、パイプ等の連結部材を適宜組み立ててなる自立式足
場であった為、多数の連結部材を要し、その為、該連結
部材のタンク内への搬入作業やタンク内での組立作業及
び分解作業に時間が掛かり、作業コストが高騰化すると
いう問題があった。
However, the scaffold conventionally used is a self-supporting scaffold made by appropriately assembling connecting members such as pipes, and thus requires a large number of connecting members. There is a problem that it takes time to carry in the work, assembling work and disassembling work in the tank, and the working cost increases.

【0006】[0006]

【発明が解決しようとする課題】本発明は、前記問題点
を解決するためになされたものであり、タンク内部に簡
単に且つ安定して設置することができる簡易足場を提供
することを、一の目的とする。
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a simple scaffold that can be easily and stably installed inside a tank. The purpose of.

【0007】[0007]

【課題を解決するための手段】本発明は、前記目的を達
成する為に、作業者がタンク内周面に対して作業を行う
為に該タンク内に設置される簡易足場であって、前記タ
ンク内において上下方向に沿うように配設される長尺の
基体部材であって、作業者が昇降可能とされた基体部材
と、該基体部材をタンク内に立設させる為の第1固定部
材と、前記基体部材に連結され、作業時に作業者の足場
となる作業台と、基端部が前記作業台又は基体部材に連
結され且つ先端部がタンク内周面に対して押圧可能とさ
れた第2固定部材とを備えた簡易足場を提供する。
According to the present invention, there is provided a simple scaffold installed in a tank for an operator to perform an operation on an inner peripheral surface of the tank. A long base member disposed vertically in the tank, the base member being capable of moving up and down by an operator, and a first fixing member for standing the base member in the tank. A worktable connected to the base member and serving as a foothold for an operator at the time of work; and a base end connected to the worktable or the base member and a distal end capable of being pressed against the tank inner peripheral surface. A simple scaffold having a second fixing member is provided.

【0008】一の態様においては、前記タンクは、上下
方向に延びる攪拌軸を有しており、前記基体部材は該攪
拌軸に沿うように配設され、前記第1固定部材は該基体
部材を前記攪拌軸に連結するように構成され得る。又、
他の態様においては、前記タンク内に上下方向に沿って
立設される支柱をさらに備え、前記基体部材は該支柱に
沿うように配設され、前記第1固定部材は該基体部材を
前記支柱に連結するように構成され得る。
In one embodiment, the tank has a stirring shaft extending in a vertical direction, the base member is disposed along the stirring shaft, and the first fixing member holds the base member. It may be configured to be connected to the stirring shaft. or,
In another aspect, the apparatus further comprises a column standing vertically in the tank, wherein the base member is disposed along the column, and the first fixing member connects the base member to the column. To be connected.

【0009】好ましくは、前記第2固定部材のタンク内
周面との当接部分には、保護部材を設けることができ
る。さらに、好ましくは、前記基体部材は、前記作業台
の設置高さを調整し得るように構成され得る。又、前記
基体部材は、タンクの上下方向に沿った縦木部と、該縦
木部から側方へ延びる複数の横木部とを有し、前記複数
の横木部は、縦木部の長手方向に沿って配設されるもの
とすることができる。さらに、好ましくは、前記作業台
には、上方へは揺動可能であり且つ下方へは揺動不能に
構成された開閉扉が設けられ得る。
Preferably, a protection member may be provided at a portion where the second fixing member abuts on the inner peripheral surface of the tank. Further, preferably, the base member may be configured so that the installation height of the worktable can be adjusted. Further, the base member has a vertical tree portion along a vertical direction of the tank, and a plurality of crosspieces extending laterally from the vertical tree portion, and the plurality of crosspieces are arranged in a longitudinal direction of the vertical tree portion. May be arranged along. Further, preferably, the workbench may be provided with an opening / closing door configured to be swingable upward and not swingable downward.

【0010】好ましくは、前記第2固定部材は、前記作
業台又は基体部材に連結されたガイド部材と、該ガイド
部材よりタンク径方向外方位置において前記作業台又は
基体部材に揺動自在に連結された揺動部材と、前記ガイ
ド部材に形成された軸孔及び前記揺動部材に形成された
挿通孔に挿通された軸部と該軸部のタンク径方向外方端
部に設けられたヘッド部とを有する押圧部材と、前記揺
動部材が前記ガイド部材に対して傾斜するように該揺動
部材を付勢する付勢部材とを備え、前記揺動部材を前記
付勢部材の付勢力に抗して揺動させ、前記ガイド部材と
略平行になるように位置させた場合には、前記押圧部材
の軸部は前記挿通孔内を移動自在とされ、且つ、前記揺
動部材に対する操作力を解除した場合には、前記押圧部
材の軸部は前記挿通孔によって軸方向移動不能とされる
ものとし得る。
Preferably, the second fixing member includes a guide member connected to the worktable or the base member, and a second member fixed to the worktable or the base member at a position radially outward from the guide member in the tank radial direction. Swing member, a shaft portion formed in the shaft hole formed in the guide member, a shaft portion inserted through an insertion hole formed in the swing member, and a head provided at a radially outer end of the shaft portion in the tank radial direction. And a biasing member for biasing the swinging member so that the swinging member is inclined with respect to the guide member, wherein the biasing force of the biasing member is applied to the swinging member. When the swinging member is pivoted against the guide member and positioned so as to be substantially parallel to the guide member, the shaft portion of the pressing member is movable in the insertion hole, and the operation on the swing member is performed. When the force is released, the shaft of the pressing member is It may be a what is axially immovable by holes.

【0011】[0011]

【発明の実施の形態】実施の形態1 以下、本発明に係る簡易足場の好ましい一実施の形態に
ついて、添付図面を参照しつつ説明する。図1は本実施
の形態に係る簡易足場の概略側面図であり、図2は図1
におけるII-II線断面図である。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1 Hereinafter, a preferred embodiment of a simple scaffold according to the present invention will be described with reference to the accompanying drawings. FIG. 1 is a schematic side view of a simple scaffold according to the present embodiment, and FIG.
FIG. 2 is a sectional view taken along line II-II in FIG.

【0012】図1及び図2に示すように、本実施の形態
に係る簡易足場は1、上下方向に延びる攪拌軸110を
有するタンク100に適用されるものであり、該タンク
100内において上下方向に沿うように配設される長尺
の基体部材10と、該基体部材10を立設させる為の第
1固定部材20と、前記基体部材10に連結された作業
台30と、前記基体部材10及び/又は作業台30のタ
ンク内周面100aに対する位置ずれを防止する第2固
定部材40とを備えている。
As shown in FIGS. 1 and 2, the simplified scaffold according to the present embodiment is applied to a tank 100 having a stirring shaft 110 extending in the vertical direction. , A first fixing member 20 for erecting the base member 10, a worktable 30 connected to the base member 10, and a base member 10. And / or a second fixing member 40 for preventing displacement of the worktable 30 with respect to the tank inner peripheral surface 100a.

【0013】前記基体部材10は、作業者が長手方向に
沿って昇降し得るように構成されると共に、前記作業台
30上に載った作業者がタンク内周面100aの最上部
及び/又はタンク上面100cに対してもアクセスし得
るような高さを有している。本実施の形態においては、
前記基体部材10は、下方に位置する下方部材11と、
上方に位置する上方部材12とを備えており、該上方部
材12は前記下方部材11に対して長手方向位置調整自
在に連結されている。
The base member 10 is configured so that an operator can move up and down along the longitudinal direction, and an operator placed on the work table 30 can move the uppermost part of the tank inner peripheral surface 100a and / or the tank. The height is such that the upper surface 100c can be accessed. In the present embodiment,
The base member 10 includes a lower member 11 located below,
An upper member 12 is provided above, and the upper member 12 is connected to the lower member 11 so as to be adjustable in a longitudinal direction.

【0014】具体的には、前記下方部材11及び上方部
材12は共に、タンク上下方向に沿った縦木部11a,
12aと、該縦木部11a,12aから側方に延びる複
数の横木部11b,12bとを有しており、該複数の横
木部11b,12bは縦木部11a,12aの長手方向
に沿って配設されている。従って、作業者は横木部11
b,12bを足場としてタンク上下方向に昇降し得るよ
うになっている。
More specifically, both the lower member 11 and the upper member 12 are provided with vertical bar portions 11a,
12a, and a plurality of crosspieces 11b, 12b extending laterally from the vertical pieces 11a, 12a, and the plurality of crosspieces 11b, 12b extend along the longitudinal direction of the vertical pieces 11a, 12a. It is arranged. Therefore, the worker is required
b, 12b can be used as a scaffold so that the tank can be moved up and down in the vertical direction.

【0015】図3に基体部材10の部分縦断側面図を示
す。図3に示すように、本実施の形態においては、上方
部材12に、下方部材11における一の横木部11bと
係合し得るように枢支軸12c回り揺動可能とされたフ
ック部12dが設けられている。従って、該フック部1
2dの非係合状態時には上方部材12は下方部材11に
対して軸線方向へ移動可能であり、且つ、該フック部1
2dの係合時には上方部材12は下方部材11に対して
固定されるようになっている。
FIG. 3 is a partial longitudinal sectional side view of the base member 10. As shown in FIG. 3, in the present embodiment, a hook portion 12 d that can swing around a pivot shaft 12 c so as to be able to engage with one crosspiece portion 11 b of the lower member 11 is provided on the upper member 12. Is provided. Therefore, the hook portion 1
In the disengaged state of 2d, the upper member 12 is movable in the axial direction with respect to the lower member 11, and the hook 1
When the 2d is engaged, the upper member 12 is fixed to the lower member 11.

【0016】図1及び図2に示すように、前記第1固定
部材20は、前記基体部材10を攪拌軸110に沿って
固定し得るように構成されている。該第1固定部材20
は、締結バンドやUボルト等の種々の締結部材を用いる
ことができる。
As shown in FIGS. 1 and 2, the first fixing member 20 is configured to fix the base member 10 along the stirring shaft 110. The first fixing member 20
Can use various fastening members such as fastening bands and U bolts.

【0017】前記作業台30は、作業者がタンク内周面
100aに対して作業を行う際の足場となるものであ
り、前記基体部材10からタンク内周面100aへ向か
って側方へ延びている。該作業台30は、好ましくは、
前記基体部材10の上方部材12に連結されるものとす
ることができ、これにより、上方部材12を下方部材1
1に対して移動させることによって作業台30の設置高
さを変更させることができる。
The work table 30 serves as a scaffold when an operator works on the tank inner peripheral surface 100a, and extends sideways from the base member 10 toward the tank inner peripheral surface 100a. I have. The workbench 30 is preferably
The upper member 12 can be connected to the upper member 12 of the base member 10 so that the upper member 12 is connected to the lower member 1.
By moving the work table 30, the installation height of the work table 30 can be changed.

【0018】該作業台30は、図2に良く示されるよう
に、前記基体部材10に連結される本体部31と、該本
体部31に対し上方へは揺動可能であり且つ下方へは揺
動不能とされた開閉扉部32とを有している。該開閉扉
部32は、作業者が前記基体部材10を昇降する際の通
り道となるものである。なお、図1中の符号33は本体
部31に設置される手摺りであり、符号34は本体部3
1と基体部材10との間に延びる補強部材である。
As shown in FIG. 2, the work table 30 has a main body 31 connected to the base member 10 and can swing upward and downward with respect to the main body 31. And an opening / closing door part 32 which is immovable. The opening / closing door portion 32 serves as a passage when an operator moves up and down the base member 10. Reference numeral 33 in FIG. 1 denotes a handrail installed on the main body 31, and reference numeral 34 denotes a handrail installed on the main body 3.
The reinforcing member extends between the base member 10 and the base member 10.

【0019】図4に前記第2固定部材の詳細模式図を示
す。図4に示すように、第2固定部材40は、作業台に
固定された第1ガイド部材であって、第1軸孔41aが
形成された第1ガイド部材41と、該第1ガイド部材4
1のタンク径方向内方又は外方(本実施の形態において
は径方向外方)において、前記作業台30に揺動自在に
連結された揺動部材であって、挿通孔42aが形成され
た揺動部材42と、前記第1軸孔41a及び挿通孔42
a内に挿通された軸部43a及び該軸部43aの外方端
部に形成されたヘッド部43bを有する押圧部材43
と、前記揺動部材42が第1ガイド部材41に対して傾
斜するように該揺動部材42を付勢する付勢部材44と
を備えており、前記揺動部材42が第1ガイド部材41
に対して略平行となるように該揺動部材42を前記付勢
部材44の付勢力に抗して揺動させた場合には、前記押
圧部材43の軸部43aは前記挿通孔42aに対して軸
方向移動自在となり、且つ、前記揺動部材42に対する
操作力を解除した場合には該揺動部材42が前記第1ガ
イド部材41に対して傾斜し、前記押圧部材43の軸部
43aが前記挿通孔42aに軸方向移動不能に支持され
るようになっている。
FIG. 4 is a detailed schematic view of the second fixing member. As shown in FIG. 4, the second fixing member 40 is a first guide member fixed to a workbench, the first guide member 41 having a first shaft hole 41 a formed therein, and the first guide member 4.
1 is a swing member which is swingably connected to the work table 30 inside or outside the tank in the radial direction (outside in the radial direction in the present embodiment), and has an insertion hole 42a formed therein. A swing member 42, the first shaft hole 41a and the insertion hole 42;
a pressing member 43 having a shaft portion 43a inserted in the shaft portion 43a and a head portion 43b formed at an outer end portion of the shaft portion 43a.
And a biasing member 44 for biasing the swinging member 42 so that the swinging member 42 is inclined with respect to the first guide member 41. The swinging member 42 includes the first guide member 41.
When the swing member 42 is swung against the urging force of the urging member 44 so as to be substantially parallel with respect to the shaft member 43, the shaft 43a of the pressing member 43 is moved with respect to the insertion hole 42a. When the operating force on the rocking member 42 is released, the rocking member 42 is inclined with respect to the first guide member 41, and the shaft 43a of the pressing member 43 is The insertion hole 42a is supported so as not to move in the axial direction.

【0020】斯かる構成の第2固定部材40は、以下の
ようにして使用される。まず、前記第1ガイド部材41
に対して略平行となるように前記揺動部材42を前記付
勢部材44の付勢力に抗して揺動させる。この状態にお
いては、前記押圧部材43の軸部43aは前記挿通孔4
2aに対して移動自在となっている(図4(a)参照)。
従って、前記押圧部材43の軸部43aを軸方向へ移動
させて、前記ヘッド部43bをタンク内周面100aに
向けて押圧させることができる。
The second fixing member 40 having such a configuration is used as follows. First, the first guide member 41
The swing member 42 is swung against the urging force of the urging member 44 so as to be substantially parallel to. In this state, the shaft 43a of the pressing member 43 is
It is movable with respect to 2a (see FIG. 4 (a)).
Therefore, the head 43b can be pressed toward the tank inner peripheral surface 100a by moving the shaft 43a of the pressing member 43 in the axial direction.

【0021】次に、前記ヘッド部43bをタンク内周面
100aに押圧させた状態で、前記揺動部材42に対す
る操作力を解除する。これにより、前記揺動部材42は
第1ガイド部材41へ向けて付勢され、前記第1ガイド
部材41に対して傾斜された状態となる(図4(b)参
照)。この状態においては、前記挿通孔42aの垂直方
向幅が、前記軸部43aの直径より狭くなるように設定
されており、従って、該軸部43aは、該挿通孔42a
との摩擦係合によって軸方向移動不能に支持される。即
ち、前記ヘッド部43bがタンク内周面100aを押圧
する状態で、前記押圧部材43は軸方向移動不能に保持
される。
Next, with the head portion 43b pressed against the tank inner peripheral surface 100a, the operating force on the swing member 42 is released. As a result, the swing member 42 is urged toward the first guide member 41, and becomes inclined with respect to the first guide member 41 (see FIG. 4B). In this state, the vertical width of the insertion hole 42a is set to be smaller than the diameter of the shaft portion 43a, and therefore, the shaft portion 43a is
And is axially immovable by frictional engagement. That is, in a state where the head portion 43b presses the tank inner peripheral surface 100a, the pressing member 43 is held immovable in the axial direction.

【0022】このように、第2固定部材40は、前記ヘ
ッド部43bがタンク内周面100aを押圧した状態で
前記押圧部材43を軸方向移動不能に保持する押圧状態
と、該押圧部材43を軸方向移動自在とする可動状態と
をとり得るようになっている。
As described above, the second fixing member 40 has a pressing state in which the pressing member 43 is held immovable in the axial direction while the head portion 43b presses the inner peripheral surface 100a of the tank. A movable state capable of moving in the axial direction can be taken.

【0023】なお、本実施の形態においては、前記揺動
部材42よりタンク径方向外方に、第2軸孔45aを有
する第2ガイド部材45を設けており、これにより、前
記押圧部材43の支持安定化を図っている。
In the present embodiment, a second guide member 45 having a second shaft hole 45a is provided outwardly of the swing member 42 in the tank radial direction. Support stabilization.

【0024】斯かる構成の簡易足場1においては、以下
の効果を得ることができる。前述のように、本実施の形
態に係る簡易足場1は、従来技術におけるような自立式
足場ではなく、基体部材10を第1固定部材20によっ
て立設すると共に、前記作業台30のタンク内周面10
0aに対する相対移動を第2固定部材40によって防止
し得るように構成されている。従って、従来技術におけ
るように、自立させる為に多数のパイプ部材を連結する
必要はなく、従って、構成部品点数を削減することがで
きる。その為、タンク内への搬送作業や組立作業及び分
解作業を簡便に行うことができる。さらに、基体部材1
0を攪拌軸110に対して固定する第1固定部材20
と、作業台30をタンク内周面100aに対して固定す
る第2固定部材40とを備え、攪拌軸110とタンク内
周面100aとのタンク内の2部位に対して固定するよ
うに構成したので、従来に比して安定的に固定される。
In the simple scaffold 1 having such a structure, the following effects can be obtained. As described above, the simple scaffold 1 according to the present embodiment is not a self-supporting scaffold as in the prior art, but has the base member 10 erected by the first fixing member 20 and the inner periphery of the tank of the work table 30. Face 10
The second fixing member 40 is configured to prevent the relative movement with respect to 0a. Therefore, there is no need to connect a large number of pipe members in order to be self-supporting as in the prior art, so that the number of components can be reduced. For this reason, it is possible to easily perform the transporting operation, the assembling operation, and the disassembling operation into the tank. Further, the base member 1
0 fixed to the stirring shaft 110
And a second fixing member 40 for fixing the worktable 30 to the tank inner peripheral surface 100a, and configured to be fixed to two portions in the tank of the stirring shaft 110 and the tank inner peripheral surface 100a. Therefore, it is fixed more stably than before.

【0025】さらに、前記第2固定部材40を作業台3
0に対してタンク径方向位置調整自在に固定し得るよう
に構成したので、追加の部材を要することなく、種々の
内径のタンクに対して有効に使用することができる。
又、本実施の形態においては、前述の通り、前記第2固
定部材40として、付勢部材40を用いたバネ式として
いるので、ワンタッチで前記押圧部材を軸方向へ移動さ
せることができる。従って、作業台及び基体部材のタン
ク内周面への固定作業を極めて簡単に行うことができ
る。
Furthermore, the second fixing member 40 is
Since it is configured so that the position in the tank radial direction can be freely adjusted with respect to 0, it can be effectively used for tanks of various inner diameters without requiring additional members.
Further, in the present embodiment, as described above, since the second fixing member 40 is of a spring type using the biasing member 40, the pressing member can be moved in the axial direction with one touch. Therefore, the work of fixing the worktable and the base member to the inner peripheral surface of the tank can be performed extremely easily.

【0026】好ましくは、前記押圧部材43におけるヘ
ッド部43bのタンク内周面100aとの当接部分に、
ゴム又はテフロン(登録商標)樹脂等の弾性部材を備え
ることができ、これにより、タンク内周面100aの損
傷を有効に防止し得る。特に、タンク内周面100aに
は耐食性コーティング層が施される場合があるが、前記
弾性部材を備えることによって該コーティング層が損傷
することを有効に防止できる。
Preferably, a contact portion of the head member 43b of the pressing member 43 with the tank inner peripheral surface 100a is
An elastic member such as rubber or Teflon (registered trademark) resin can be provided, thereby effectively preventing damage to the tank inner peripheral surface 100a. In particular, a corrosion-resistant coating layer may be applied to the inner peripheral surface 100a of the tank, but the provision of the elastic member can effectively prevent the coating layer from being damaged.

【0027】又、本実施の形態においては、前記作業台
30が連結される前記上方部材12を前記下方部材11
に対して位置調整自在に固定し得るように構成したの
で、追加の部材を備えることなく、前記作業台30の設
置高さを適宜調整することができる。従って、種々の高
さのタンク内周面100aの対して効率良く作業を行う
ことができる。
In the present embodiment, the upper member 12 to which the work table 30 is connected is connected to the lower member 11.
The height of the work table 30 can be appropriately adjusted without providing an additional member, since the position of the work table 30 can be adjusted so as to be adjustable. Therefore, work can be efficiently performed on the tank inner peripheral surface 100a of various heights.

【0028】実施の形態2 以下、本発明に係る簡易足場1'の他の実施の形態につ
いて、添付図面を参照しつつ説明する。図5に、本実施
の形態に係る簡易足場1'の概略側面図を示す。なお、
前記実施の形態1におけると同一又は相当部材には同一
符号を付して、その説明を省略する。
Embodiment 2 Hereinafter, another embodiment of the simplified scaffold 1 'according to the present invention will be described with reference to the accompanying drawings. FIG. 5 shows a schematic side view of the simple scaffold 1 ′ according to the present embodiment. In addition,
The same or corresponding members as in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0029】図5に示すように、本実施の形態に係る簡
易足場1'は、攪拌軸を有さないタイプのタンク100'
に適用されるように構成されている。即ち、該簡易足場
1'は、前記実施の形態1における構成に加えて、タン
ク内において上下方向に沿うように立設される支柱50
を備えている。
As shown in FIG. 5, a simple scaffold 1 'according to the present embodiment is a tank 100' of a type having no stirring shaft.
It is configured to be applied to. That is, the simple scaffold 1 ′ is provided with a column 50 that stands upright along the vertical direction in the tank in addition to the configuration in the first embodiment.
It has.

【0030】該支柱50は、例えば、タンク底面100
bとタンク上面100cとの間において狭圧状態下で立
設されるように構成されており、具体的には、タンク底
面100bに設置されるベース部51a及び該ベース部
51aから上方に延びる軸部であって、外周面にネジが
形成されたネジ付軸部51bを有するベース部材51
と、該ベース部材51のネジ付軸部51bと螺合するネ
ジが形成されたネジ付軸線孔52aを有する筒部材52
と、該筒部材52の上端部から上方に延びる当接部材5
3とを備えている。
The column 50 is, for example, a tank bottom 100.
b and the tank upper surface 100c so as to be erected under a narrow pressure state. Specifically, a base portion 51a installed on the tank bottom surface 100b and a shaft extending upward from the base portion 51a Base member 51 having a threaded shaft portion 51b having a thread formed on the outer peripheral surface thereof.
And a cylindrical member 52 having a threaded axial hole 52a formed with a thread to be screwed with the threaded shaft portion 51b of the base member 51.
And a contact member 5 extending upward from the upper end of the cylindrical member 52.
3 is provided.

【0031】斯かる構成の簡易足場においては、前記基
体部材10を前記支柱50に固定することによって、前
記実施の形態1におけると同様の効果を得ることができ
る。
In the simple scaffold having such a structure, the same effect as that of the first embodiment can be obtained by fixing the base member 10 to the column 50.

【0032】なお、前記第2固定部材40は、図示の形
態に限定されるものではなく、種々の構成を採用するこ
とができる。例えば、ネジ結合によって前記押圧部材4
3を作業台に連結させることもできる。又、前記第2固
定部材40を前記作業台30に連結する代わりに、前記
基体部材10に連結させることも可能である。
It should be noted that the second fixing member 40 is not limited to the illustrated form, but may employ various configurations. For example, the pressing member 4 is screw-connected.
3 can also be connected to a workbench. Further, instead of connecting the second fixing member 40 to the work table 30, it is also possible to connect the second fixing member 40 to the base member 10.

【0033】[0033]

【発明の効果】本発明に係る簡易足場によれば、記タン
ク内において上下方向に沿うように配設される長尺の基
体部材であって、作業者が昇降可能とされた基体部材
と、該基体部材をタンク内に立設させる為の第1固定部
材と、前記基体部材に連結され、作業時に作業者の足場
となる作業台と、基端部が前記作業台又は基体部材に連
結され且つ先端部がタンク内周面に押圧される第2固定
部材とを備えたので、前記第1及び第2固定部材によっ
てタンク内の少なくとも2部位に対して固定することが
できる。従って、自立式の従来の簡易足場に比して、部
品点数を大幅に削減した構成でありながら、タンク内に
安定して設置することができる。即ち、本発明に係る簡
易足場によれば、タンク内に安定して設置することがで
きると共に、自立式の従来の簡易足場におけるように、
自立させる為に多数のパイプ部材を連結する必要はな
く、従って、構成部品点数を削減によるタンク内への搬
送作業や組立作業及び分解作業の簡便化を図ることがで
きる。
According to the simple scaffold according to the present invention, there is provided a long base member arranged vertically along the inside of the tank, wherein the base member allows an operator to move up and down. A first fixing member for erecting the base member in the tank; a work table connected to the base member to serve as a foothold for an operator during work; and a base end connected to the work table or base member. In addition, since a second fixing member whose tip is pressed against the inner peripheral surface of the tank is provided, it can be fixed to at least two portions in the tank by the first and second fixing members. Therefore, it can be stably installed in the tank while having a configuration in which the number of parts is greatly reduced as compared with a conventional self-standing scaffold. That is, according to the simple scaffold according to the present invention, it can be stably installed in the tank, and as in the conventional self-standing simple scaffold,
It is not necessary to connect a large number of pipe members in order to be self-supporting, so that the number of components can be reduced to simplify the work of transporting into the tank, assembling work, and disassembling work.

【図面の簡単な説明】[Brief description of the drawings]

【図1】図1は、本発明に係る簡易足場の一実施の形態
の概略側面図である。
FIG. 1 is a schematic side view of an embodiment of a simplified scaffold according to the present invention.

【図2】図2は、図1におけるII-II線断面図である。FIG. 2 is a sectional view taken along line II-II in FIG.

【図3】図3は、図1に示す簡易足場における基体部材
の部分縦断側面図である。
FIG. 3 is a partial vertical sectional side view of a base member in the simple scaffold shown in FIG. 1;

【図4】図4は、図1に示す簡易足場における第2固定
部材の一部縦断側面図であり、図4(a)はタンク内周面
に対して押圧していない状態を示し、且つ、図4(b)は
タンク内周面を押圧している状態を示している。
FIG. 4 is a partial longitudinal side view of a second fixing member in the simple scaffold shown in FIG. 1, FIG. 4 (a) shows a state where the second fixing member is not pressed against the tank inner peripheral surface, and FIG. 4B shows a state where the inner peripheral surface of the tank is pressed.

【図5】図5は、本発明に係る簡易足場の他の実施の形
態の概略側面図である。
FIG. 5 is a schematic side view of another embodiment of the simple scaffold according to the present invention.

【符号の説明】[Explanation of symbols]

1,1' 簡易足場 10 基体部材 11 下方部材 11a 縦木部 11b 横木部 12 上方部材 12a 縦木部 12b 横木部 20 第1固定部材 30 作業台 32 開閉扉 40 第2固定部材 41 第1ガイド部材 42 揺動部材 42a 挿通孔 43 押圧部材 44 付勢部材 100 タンク 110 攪拌軸 DESCRIPTION OF SYMBOLS 1, 1 'Simple scaffold 10 Base member 11 Lower member 11a Vertical bar 11b Cross bar 12 Upper member 12a Vertical bar 12b Cross bar 20 First fixing member 30 Work table 32 Opening door 40 Second fixing member 41 First guide member 42 swing member 42a insertion hole 43 pressing member 44 urging member 100 tank 110 stirring shaft

Claims (8)

【特許請求の範囲】[Claims] 【請求項1】 作業者がタンク内周面に対して作業を行
う為に該タンク内に設置される簡易足場であって、 前記タンク内において上下方向に沿うように配設される
長尺の基体部材であって、作業者が昇降可能とされた基
体部材と、 該基体部材をタンク内に立設させる為の第1固定部材
と、 前記基体部材に連結され、作業時に作業者の足場となる
作業台と、 基端部が前記作業台又は基体部材に連結され且つ先端部
がタンク内周面に対して押圧可能とされた第2固定部材
とを備えていることを特徴とする簡易足場。
1. A simple scaffold installed in a tank for an operator to work on an inner peripheral surface of the tank, the elongate scaffold being disposed in the tank in a vertical direction. A base member that allows the worker to move up and down; a first fixing member for setting the base member upright in the tank; and a base member connected to the base member, and And a second fixing member having a base end connected to the work table or the base member and a front end capable of being pressed against the inner peripheral surface of the tank. .
【請求項2】 前記タンクは、上下方向に延びる攪拌軸
を有しており、 前記基体部材は該攪拌軸に沿うように配設され、 前記第1固定部材は該基体部材を前記攪拌軸に連結する
ように構成されていることを特徴とする請求項1に記載
の簡易足場。
2. The tank has a stirring shaft extending vertically, the base member is disposed along the stirring shaft, and the first fixing member connects the base member to the stirring shaft. The simple scaffold according to claim 1, wherein the scaffold is configured to be connected.
【請求項3】 前記タンク内に上下方向に沿って立設さ
れる支柱をさらに備え、 前記基体部材は該支柱に沿うように配設され、 前記第1固定部材は該基体部材を前記支柱に連結するよ
うに構成されていることを特徴とする請求項1に記載の
簡易足場。
3. The apparatus according to claim 1, further comprising a column vertically provided in the tank, wherein the base member is disposed along the column, and the first fixing member attaches the substrate member to the column. The simple scaffold according to claim 1, wherein the scaffold is configured to be connected.
【請求項4】 前記第2固定部材のタンク内周面との当
接部分には、保護部材が設けられていることを特徴とす
る請求項1から3の何れかに記載の簡易足場。
4. The scaffold according to claim 1, wherein a protection member is provided at a portion where the second fixing member abuts on the inner peripheral surface of the tank.
【請求項5】 前記基体部材は、前記作業台の設置高さ
を調整し得るように構成されていることを特徴とする請
求項1から4の何れかに記載の簡易足場。
5. The simple scaffold according to claim 1, wherein the base member is configured to adjust an installation height of the worktable.
【請求項6】 前記基体部材は、タンクの上下方向に沿
った縦木部と、該縦木部から側方へ延びる複数の横木部
とを有し、 前記複数の横木部は、縦木部の長手方向に沿って配設さ
れていることを特徴とする請求項1から5の何れかに記
載の簡易足場。
6. The base member has a vertical tree part along a vertical direction of the tank, and a plurality of horizontal trees extending laterally from the vertical tree, wherein the plurality of horizontal trees is a vertical tree part. The simple scaffold according to any one of claims 1 to 5, wherein the scaffold is disposed along a longitudinal direction of the scaffold.
【請求項7】 前記作業台には、上方へは揺動可能であ
り且つ下方へは揺動不能に構成された開閉扉が設けられ
ていることを特徴とする請求項1から6の何れかに記載
の簡易足場。
7. The work table according to claim 1, further comprising an opening / closing door configured to be swingable upward and not swingable downward. The simple scaffold described in.
【請求項8】 前記第2固定部材は、前記作業台又は基
体部材に連結されたガイド部材と、該ガイド部材よりタ
ンク径方向外方位置において前記作業台又は基体部材に
揺動自在に連結された揺動部材と、前記ガイド部材に形
成された軸孔及び前記揺動部材に形成された挿通孔に挿
通された軸部と該軸部のタンク径方向外方端部に設けら
れたヘッド部とを有する押圧部材と、前記揺動部材が前
記ガイド部材に対して傾斜するように該揺動部材を付勢
する付勢部材とを備え、 前記揺動部材を前記付勢部材の付勢力に抗して揺動さ
せ、前記ガイド部材と略平行になるように位置させた場
合には、前記押圧部材の軸部は前記挿通孔内を移動自在
とされ、且つ、 前記揺動部材に対する操作力を解除した場合には、前記
押圧部材の軸部は前記挿通孔によって軸方向移動不能と
されることを特徴とする請求項1から7の何れかに記載
の簡易足場。
8. A guide member connected to the worktable or the base member, and the second fixing member is swingably connected to the worktable or the base member at a position radially outward of the guide member from the guide member. A swing member, a shaft portion formed in the shaft hole formed in the guide member, a shaft portion inserted in an insertion hole formed in the swing member, and a head portion provided at a radially outer end of the shaft portion in the tank radial direction. And a biasing member for biasing the swinging member so that the swinging member is inclined with respect to the guide member, wherein the swinging member is biased by the biasing force of the biasing member. When the swinging member is swung against the guide member and is positioned so as to be substantially parallel to the guide member, the shaft portion of the pressing member is movable in the insertion hole, and the operating force on the swinging member is increased. Is released, the shaft of the pressing member is inserted by the insertion hole. Simple scaffold according to any one of claims 1 to 7, characterized in that are axially immovable.
JP2001081138A 2001-03-21 2001-03-21 Simplified scaffolding Withdrawn JP2002276150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001081138A JP2002276150A (en) 2001-03-21 2001-03-21 Simplified scaffolding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001081138A JP2002276150A (en) 2001-03-21 2001-03-21 Simplified scaffolding

Publications (1)

Publication Number Publication Date
JP2002276150A true JP2002276150A (en) 2002-09-25

Family

ID=18937294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001081138A Withdrawn JP2002276150A (en) 2001-03-21 2001-03-21 Simplified scaffolding

Country Status (1)

Country Link
JP (1) JP2002276150A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014145160A (en) * 2013-01-28 2014-08-14 Nisso Ind Co Ltd Mobile scaffold
CN105155830A (en) * 2015-09-11 2015-12-16 杭州江润科技有限公司 Construction method for combined type fixed and integral lifting of elevator shaft stereotyped operation platform

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014145160A (en) * 2013-01-28 2014-08-14 Nisso Ind Co Ltd Mobile scaffold
CN105155830A (en) * 2015-09-11 2015-12-16 杭州江润科技有限公司 Construction method for combined type fixed and integral lifting of elevator shaft stereotyped operation platform

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