JPH024490A - Apparatus for cleaning bolthole - Google Patents
Apparatus for cleaning boltholeInfo
- Publication number
- JPH024490A JPH024490A JP63152411A JP15241188A JPH024490A JP H024490 A JPH024490 A JP H024490A JP 63152411 A JP63152411 A JP 63152411A JP 15241188 A JP15241188 A JP 15241188A JP H024490 A JPH024490 A JP H024490A
- Authority
- JP
- Japan
- Prior art keywords
- brush shaft
- brush
- cleaning
- walking
- shaft
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000008602 contraction Effects 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、原子炉容器等の構造物の平坦面上に一定ピッ
チで穿設されたボルト孔を清掃するボルト孔清掃装置に
関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a bolt hole cleaning device for cleaning bolt holes drilled at a constant pitch on a flat surface of a structure such as a nuclear reactor vessel.
ＰＷＲ型原子炉の原子炉容器には、第６図に示すように
多数のスタッドボルト孔１が原子炉容器２のフランジ面
３上に一定ピッチで穿設されている。これらのスタッド
ボルト孔１にはスタッドボルト４がねじ込まれており、
このスタッドボルト４によって原子炉容器２を図示しな
い上蓋で閉止するようにな゛っている。In the reactor vessel of a PWR reactor, as shown in FIG. 6, a large number of stud bolt holes 1 are bored at a constant pitch on a flange surface 3 of a reactor vessel 2. Stud bolts 4 are screwed into these stud bolt holes 1,
These stud bolts 4 are used to close the reactor vessel 2 with a top cover (not shown).
このようなスタッドボルト孔１は、原子炉の定期点検時
にねじ部に付着した錆やゴミ等を除去することが義務付
けられており、従来では簡易式の用具を用いて清掃作業
員がスタッドボルト孔１を１本１本清掃していた。しか
しながら、このような方法は清掃作業員の被曝を招くば
がりでなく、清掃作業に多くの時間を要していた。Such stud bolt holes 1 are required to be cleaned of rust, dirt, etc. adhering to the threads during periodic inspections of nuclear reactors. 1 was being cleaned one by one. However, such a method not only exposes cleaning workers to radiation, but also requires a lot of time for cleaning work.
上述のように、従来ではスタッドボルト孔の清掃作業を
簡易式の用具を用いて行なっていたため、清掃作業員の
被曝を招くばかりでなく、清掃作業に多くの時間を要す
るという問題があった。As mentioned above, in the past, cleaning work for stud bolt holes was carried out using simple tools, which not only exposed the cleaning worker to radiation but also required a lot of time for the cleaning work.
本発明はこのような問題点に鑑みてなされたものであり
、原子炉容器等の構造物の平坦面上に一定ピッチで穿設
された多数のボルト孔を自動的に清掃できるボルト孔清
掃装置を提供することを目的とする。The present invention was made in view of these problems, and provides a bolt hole cleaning device that can automatically clean a large number of bolt holes drilled at a constant pitch on a flat surface of a structure such as a nuclear reactor vessel. The purpose is to provide
上記目的を達成するために本発明は、構造物の平坦面上
に一定ピッチで穿設されたボルト孔を清掃する装置であ
って、前記ボルト孔に挿入されるブラシ軸を有し該ブラ
シ軸の先端部にブラシを取着してなる清掃部と、前記ブ
ラシ軸を回転駆動するブラシ軸回転駆動機構と、前記ブ
ラシ軸を軸方向に出退させるブラシ軸伸縮機構と、前記
清掃部にスライドアームを介して連結され前記ボルト孔
に挿入される歩行軸を有する歩行部と、前記歩行軸を軸
方向に出退させる歩行軸伸縮機構と、前記スライドアー
ムを前記ボルト孔の穿設方向に所定ストローク伸縮させ
るスライドアーム伸縮機構と、前記ブラシ軸の回転方向
を切換える切換手段とを具備したことを特徴とする。In order to achieve the above object, the present invention provides an apparatus for cleaning bolt holes drilled at a constant pitch on a flat surface of a structure, comprising a brush shaft inserted into the bolt hole. a cleaning section having a brush attached to the tip thereof; a brush shaft rotation drive mechanism for rotationally driving the brush shaft; a brush shaft extension/contraction mechanism for moving the brush shaft forward and backward in the axial direction; a walking part having a walking axis connected via an arm and inserted into the bolt hole; a walking axis extension/contraction mechanism for moving the walking axis in and out in the axial direction; The present invention is characterized by comprising a slide arm extending/contracting mechanism for extending/contracting the stroke, and a switching means for switching the direction of rotation of the brush shaft.
本発明では、ブラシ軸の先端部に取付けたブラシがボル
ト孔内を回転しながら上下方向に移動するため、原子炉
容器等の構造物の平坦面上に一定ピッチで穿設されたボ
ルト孔を自動的に清掃することができる。In the present invention, since the brush attached to the tip of the brush shaft moves vertically while rotating within the bolt hole, the bolt hole drilled at a constant pitch on the flat surface of a structure such as a reactor vessel can be used. Can be cleaned automatically.
以下、本発明の実施例を第１図ないし第５図を参照して
説明する。Embodiments of the present invention will be described below with reference to FIGS. 1 to 5.
第１図は本発明の一実施例を示し、同図において１１は
清掃装置本体（以下、本体と略称する）である。この本
体１１は複数個のローラ１２・・・を介して構造物の平
坦面（例えば原子炉容器２のフランジ面３）上に載置さ
れるもので、清掃部１３と歩行部１４とから構成されて
いる。FIG. 1 shows an embodiment of the present invention, and in the same figure, reference numeral 11 denotes a cleaning device main body (hereinafter abbreviated as main body). This main body 11 is placed on a flat surface of a structure (for example, the flange surface 3 of the reactor vessel 2) via a plurality of rollers 12, and is composed of a cleaning section 13 and a walking section 14. has been done.
上記清掃部１３は原子炉容器２のフランジ面３上に一定
ピッチで穿設されたスタッドボルト孔１に挿入されるブ
ラシ軸１５を有し、このブラシ軸１５の先端部にブラシ
１６を取付けて構成されている。上記ブラシ軸１５は清
掃部１３に回転自在に保持されており、図示しないブラ
シ軸回転駆動機構により回転駆動されるようになってい
る。また、ブラシ軸１５は軸方向に伸縮可能となってお
り、図示しないブラシ軸伸縮機構により軸方向に伸長し
てスタッドボルト孔１内へ挿入されるようになっている
。The cleaning section 13 has a brush shaft 15 inserted into stud bolt holes 1 drilled at a constant pitch on the flange surface 3 of the reactor vessel 2, and a brush 16 is attached to the tip of the brush shaft 15. It is configured. The brush shaft 15 is rotatably held by the cleaning section 13 and is rotationally driven by a brush shaft rotation drive mechanism (not shown). Further, the brush shaft 15 is axially extensible and can be extended and inserted into the stud bolt hole 1 by a brush shaft extensibility mechanism (not shown).
一方、歩行部１４は歩行軸１７及びスライドアーム１８
を有し、このスライドアーム１８を介して前記清掃部１
３と連結されている。上記歩行軸１７はブラシ軸１５と
同様に軸方向に伸縮可能となっており、図示しない歩行
軸伸縮機構により軸方向に伸長してスタッドボルト孔１
内へ挿入されるようになっている。また、スライドアー
ム１８は矢印方向に伸縮可能となっており、図示しない
スライドアーム伸縮機構によりスタッドボルト孔１の穿
設方向に所定ストローク（スタッドボルト孔１の１ピツ
チ）だけ伸縮するようになっている。On the other hand, the walking section 14 has a walking axis 17 and a slide arm 18.
and the cleaning section 1 via this slide arm 18.
It is connected to 3. The walking shaft 17 can be expanded and contracted in the axial direction like the brush shaft 15, and is extended in the axial direction by a walking shaft expansion and contraction mechanism (not shown) to open the stud bolt hole 1.
It is designed to be inserted inside. Further, the slide arm 18 can be extended and contracted in the direction of the arrow, and can be extended and contracted by a predetermined stroke (one pitch of the stud bolt hole 1) in the drilling direction of the stud bolt hole 1 by a slide arm expansion and contraction mechanism (not shown). There is.
上記ブラシ軸１５及び歩行軸１８には、ゴム等の弾性材
からなるグリッパ１９．１９が外周に局着されている。Grippers 19 and 19 made of an elastic material such as rubber are fixed to the outer peripheries of the brush shaft 15 and walking shaft 18.
これらのグリッパ１９．１９はブラシ軸１５及び歩行軸
１７をスタッドボルト孔１内に固定するためのもので、
空気等の流体圧によりブラシ軸１５及び歩行軸１８の径
方向に膨張するようになっている。また、ブラシ軸１５
の先端部には吸引口２０が設けられている。この吸引口
２０は前記スタッドボルト孔１内の錆やゴミ等を吸引す
るもので、吸引チューブ２１を介して図示しない吸引装
置に連通している。また、本体１１には制御ケーブル２
２及びエアホース２３が接続されており、これらの制御
ケーブル２２及びエアホース２３は図示しないコントロ
ーラと圧力空気源にそれぞれ接続されている。These grippers 19.19 are for fixing the brush shaft 15 and walking shaft 17 in the stud bolt hole 1,
The brush shaft 15 and walking shaft 18 are expanded in the radial direction by fluid pressure such as air. In addition, the brush shaft 15
A suction port 20 is provided at the tip. This suction port 20 is for suctioning rust, dirt, etc. inside the stud bolt hole 1, and communicates with a suction device (not shown) via a suction tube 21. The main body 11 also includes a control cable 2.
2 and an air hose 23, and these control cables 22 and air hoses 23 are respectively connected to a controller and a pressure air source (not shown).
第２図は同実施例の空圧作動回路を示す図で、同図にお
いて２４は前記ブラシ軸１５を軸方向に伸縮させるブラ
シ軸伸縮機構（ギヤシャフト機構）、２５は同じくブラ
シ軸１５を回転駆動するブラシ軸回転駆動機構、２６は
前記歩行軸１７を軸方向に伸縮させる歩行軸伸縮機構（
ギヤシャフト機構） ２７は前記スライドアーム１８を
伸縮させるスライドアーム伸縮機構（ラック・ピニオン
機構）である。また、２８ａ、２８ｂ。FIG. 2 is a diagram showing the pneumatic operation circuit of the same embodiment, in which 24 is a brush shaft extension mechanism (gear shaft mechanism) that expands and contracts the brush shaft 15 in the axial direction, and 25 also rotates the brush shaft 15. The driving brush shaft rotation drive mechanism 26 is a walking shaft extension mechanism (26) that extends and contracts the walking shaft 17 in the axial direction.
(Gear Shaft Mechanism) 27 is a slide arm extension mechanism (rack and pinion mechanism) that extends and contracts the slide arm 18. Also, 28a, 28b.
２８ｃ、２８ｄは上記ブラシ軸伸縮機構２４、ブラシ軸
回転駆動機構２５、歩行軸伸縮機構２６、スライドアー
ム伸縮機構２７の駆動源であるエアモータで、これらの
エアモータ２８ａ〜２８ｄは圧力空気源２９からレギュ
レータ３０ａ、３０ｂ。28c and 28d are air motors which are the driving sources for the brush shaft extension mechanism 24, the brush shaft rotation drive mechanism 25, the walking axis extension mechanism 26, and the slide arm extension mechanism 27. 30a, 30b.
３０ｃ、３０ｄ及び四方電磁弁３１ ａ、 ３ ｌ
ｂ。30c, 30d and four-way solenoid valves 31a, 3l
b.
３１ｃ、３１ｄを介して供給される圧力空気によって駆
動するようになっている。It is designed to be driven by pressurized air supplied via 31c and 31d.
上記四方電磁弁３１ａ〜３１ｄはエアモータ２８ａ〜２
８ｄの回転方向を切換えるためのもので、コントローラ
３２からの制御信号により開閉し、かつ流路が切替わる
ようになっている。また、３３ａ ３３ｂは圧力空気
源２９からの圧力空気をレギュレータ３０ｅを介して前
記グリッパ１９゜１９に供給する三方電磁弁で、これら
の三方電磁弁３３ａ、３３ｂは前記四方電磁弁３１ａ〜
３１ｄと同様にコントローラ３２からの制御信号により
開閉し、かつ流路が切替わるようになっている。なお、
上記四方電磁弁３１ａ〜３１ｄ及び三方電磁弁３３ａ、
３３ｂの各エアー排出口にはサイレンサ３４ａ、３４ｂ
、３４ｃ、３４ｄ。The four-way solenoid valves 31a to 31d are connected to the air motors 28a to 28a.
This is for switching the direction of rotation of the valve 8d, and is opened and closed by a control signal from the controller 32, and the flow path is switched. Further, 33a and 33b are three-way solenoid valves that supply pressurized air from the pressure air source 29 to the grippers 19 and 19 through a regulator 30e, and these three-way solenoid valves 33a and 33b are connected to the four-way solenoid valves 31a to 33b.
31d, it is opened and closed by a control signal from the controller 32, and the flow path is switched. In addition,
The four-way solenoid valves 31a to 31d and the three-way solenoid valve 33a,
Silencers 34a and 34b are installed at each air outlet of 33b.
, 34c, 34d.
３４ｅ、３４ｆが設けられている。34e and 34f are provided.
また、３５はエアモータ２８ａを高速回転させる電磁弁
、３６はエアモータ２８ａを低速回転させる流量制御弁
（絞り弁）である。これらの電磁弁３５及び流量制御弁
３６は前記四方電磁弁３１、 ａとレギュレータ３０ａ
との間に並列に配置され、電磁弁３５はコントローラ３
２からの制御信号により開閉するようになっている。ま
た、３７ａ、３７ｄは前記ブラシ１６が上昇位置及び下
降位置に達したときに信号を出力するリミットスイッチ
、３８はエアモータ２８ａの回転に応じたパルス信号を
出力するホールＩｃ、３９ａ。Further, 35 is a solenoid valve that rotates the air motor 28a at high speed, and 36 is a flow control valve (throttle valve) that rotates the air motor 28a at low speed. These solenoid valves 35 and flow control valves 36 are the four-way solenoid valves 31, a and the regulator 30a.
The solenoid valve 35 is arranged in parallel between the controller 3
It is opened and closed by a control signal from 2. Further, 37a and 37d are limit switches that output a signal when the brush 16 reaches the raised position and the lowered position, and 38 is a Hall IC and 39a that outputs a pulse signal according to the rotation of the air motor 28a.
３９ｂはグリッパ１９．１９が径方向に膨張したときに
信号を出力する圧力スイッチ、４０ａ。39b is a pressure switch 40a that outputs a signal when the gripper 19.19 expands in the radial direction.
４０ｂは歩行軸１７の伸縮状態を検出するホールＩ Ｃ
，４１ａ、 ４ ｌ ｂはスライドアーム１８の伸縮状
態を検出するホールＩＣで、これらの検出用スイッチか
ら出力された信号はそれぞれ前記コントローラ３２に入
力されるようになっている。40b is a Hall IC for detecting the expansion/contraction state of the walking axis 17;
, 41a, and 4lb are Hall ICs that detect the expansion/contraction state of the slide arm 18, and signals output from these detection switches are input to the controller 32, respectively.
第３図はコントローラ３２の制御動作を示すフローチャ
ートで、同図に示すように本実施例では、先ず本体１１
を原子炉容器２のフランジ面３上にセットし、ブラシ軸
１５及び歩行軸１７をそれぞれスタッドボルト孔１内に
挿入してグリッパ１９゜１つで固定するとともに、清掃
条件として歩行方向、ボルト孔数、ねじ部のブラッシン
グ工程位置、ブラッシング回数、ブラシ交換までのステ
ップ数等をコントローラ３２に設定する。そして、各種
清掃条件を設定した後、図示しないスタートスイッチを
ＯＮにすると、コントローラ３２が作動し、第４図に示
すフローに従ってスタッドボルト孔１の清掃が行なわれ
る。FIG. 3 is a flowchart showing the control operation of the controller 32. As shown in the figure, in this embodiment, first, the main body 11
is set on the flange surface 3 of the reactor vessel 2, the brush shaft 15 and the walking shaft 17 are respectively inserted into the stud bolt hole 1 and fixed with one gripper 19°, and the cleaning conditions are the walking direction and the bolt hole. The number of brushing steps, the brushing process position of the threaded part, the number of brushing times, the number of steps until brush replacement, etc. are set in the controller 32. After setting various cleaning conditions, when a start switch (not shown) is turned on, the controller 32 is activated and the stud bolt hole 1 is cleaned according to the flow shown in FIG.
第４図は清掃部１３の動作を示すフローチャートで、同
図に示すようにブラシ１６は右回転しながらスタッドボ
ルト孔１の孔部を高速で、またスタッドボルト孔１のね
じ部を低速で下降する。そして、所定位置（スタッドボ
ルト孔１の底部）に達すると、ブラシ１６は下降時とは
逆方向に左回転しながらスタッドボルト孔１のねじ部を
低速で、またスタッドボルト孔１の孔部を高速で上昇す
る。FIG. 4 is a flowchart showing the operation of the cleaning unit 13. As shown in the figure, the brush 16 rotates clockwise while moving down the hole of the stud bolt hole 1 at high speed, and descending the threaded portion of the stud bolt hole 1 at low speed. do. When the brush 16 reaches a predetermined position (the bottom of the stud bolt hole 1), the brush 16 rotates counterclockwise in the opposite direction to the direction it was used when lowering, and rotates the threaded portion of the stud bolt hole 1 at low speed. Rise at high speed.
なお、このときスライドアーム１８は第５図に示すフロ
ーに従って伸縮動作し、歩行軸１７及びブラシ軸１５を
スタッドボルト孔１の穿設方向に１ピツチずつ移動させ
る。At this time, the slide arm 18 expands and contracts according to the flow shown in FIG. 5, and moves the walking shaft 17 and the brush shaft 15 one pitch at a time in the direction of drilling the stud bolt hole 1.
このように本実施例では、ブラシ軸１５の先端部に取付
けたブラシ１６がボルト孔内を回転しながら上下動する
ため、原子炉容器等の構造物の平坦面上に一定ピッチで
穿設されたボルト孔を自動的に清掃することができる。In this embodiment, since the brush 16 attached to the tip of the brush shaft 15 moves up and down while rotating within the bolt hole, the brush 16 is drilled at a constant pitch on the flat surface of a structure such as a reactor vessel. The bolt holes can be automatically cleaned.
従って、従来のように清掃作業員が原子炉容器２のスタ
ッドボルト孔１を簡易式の用具を用いて１本１本清掃す
る必要がなく、清掃作業員の被曝を防止できるとともに
、作業時間の短縮を図ることができる。Therefore, there is no need for cleaning workers to clean the stud bolt holes 1 of the reactor vessel 2 one by one using simple tools as in the past, which prevents the cleaning workers from being exposed to radiation and saves working time. It is possible to shorten the time.
以上説明したように本発明によれば、原子炉容器等の構
造物の平坦面上に一定ピッチで穿設されたボルト孔を自
動的に清掃できるボルト孔清掃装置を提供できる。As explained above, according to the present invention, it is possible to provide a bolt hole cleaning device that can automatically clean bolt holes drilled at a constant pitch on a flat surface of a structure such as a nuclear reactor vessel.
第１図は本発明によるボルト孔清掃装置の一実施例を示
す図、第２図は同実施例の空圧作動回路を示す図、第３
図ないし第５図は同実施例の動作を示すフローチャート
、第６図は原子炉容器のフランジ部を示す断面図である
。
１・・・スタッドボルト孔、２・・・原子炉容器、３・
・・フランジ面、１１・・・本体、１２・・・ローラ、
１３・・・清掃部、１４・・・歩行部、１５・・・ブラ
シ軸、１６・・・ブラシ、１７・・・歩行軸、１８・・
・スライドアーム、１９・・・グリッパ、２０・・・吸
引口、２４・・・ブラシ軸伸縮機構、２５・・・ブラシ
軸回転機構、２６・・・歩行軸伸縮機構、２７・・・ス
ライドアーム伸縮機構、２８ａ〜２８ｄ・・・エアモー
タ、２９・・・圧力空気源、３０ａ〜３０ｅ・・・レギ
ュレータ、３１３〜３１ｄ・・・四方電磁弁、３２・・
・コントローラ、３３ａ、３３ｂ・・・三方電磁弁、３
５ａ〜３５ｆ・・・サイレンサ、３５・・・電磁弁、３
６・・・流量制御弁。FIG. 1 is a diagram showing an embodiment of the bolt hole cleaning device according to the present invention, FIG. 2 is a diagram showing a pneumatic operation circuit of the same embodiment, and FIG.
5 through 5 are flowcharts showing the operation of the same embodiment, and FIG. 6 is a sectional view showing the flange portion of the reactor vessel. 1... Stud bolt hole, 2... Reactor vessel, 3...
...Flange surface, 11...Main body, 12...Roller,
13...Cleaning part, 14...Walking part, 15...Brush axis, 16...Brush, 17...Walking axis, 18...
・Slide arm, 19... Gripper, 20... Suction port, 24... Brush shaft extension/contraction mechanism, 25... Brush shaft rotation mechanism, 26... Walking axis extension/contraction mechanism, 27... Slide arm Telescopic mechanism, 28a to 28d... Air motor, 29... Pressure air source, 30a to 30e... Regulator, 313 to 31d... Four-way solenoid valve, 32...
・Controller, 33a, 33b... Three-way solenoid valve, 3
5a to 35f... Silencer, 35... Solenoid valve, 3
6...Flow control valve.
Claims (1)
清掃する装置であって、前記ボルト孔に挿入されるブラ
シ軸を有し該ブラシ軸の先端部にブラシを取着してなる
清掃部と、前記ブラシ軸を回転駆動するブラシ軸回転駆
動機構と、前記ブラシ軸を軸方向に出退させるブラシ軸
伸縮機構と、前記清掃部にスライドアームを介して連結
され前記ボルト孔に挿入される歩行軸を有する歩行部と
、前記歩行軸を軸方向に出退させる歩行軸伸縮機構と、
前記スライドアームを前記ボルト孔の穿設方向に所定ス
トローク伸縮させるスライドアーム伸縮機構と、前記ブ
ラシ軸の回転方向を切換える切換手段とを具備したこと
を特徴とするボルト孔清掃装置。A device for cleaning bolt holes drilled at a constant pitch on a flat surface of a structure, comprising a brush shaft inserted into the bolt hole, and a brush attached to the tip of the brush shaft. a cleaning section, a brush shaft rotation drive mechanism that rotationally drives the brush shaft, a brush shaft extension mechanism that moves the brush shaft forward and backward in the axial direction, and a brush shaft extension mechanism connected to the cleaning section via a slide arm and inserted into the bolt hole. a walking section having a walking axis; a walking axis extension/contraction mechanism for moving the walking axis in and out in the axial direction;
A bolt hole cleaning device comprising: a slide arm extension mechanism that extends and contracts the slide arm by a predetermined stroke in the direction in which the bolt hole is drilled; and a switching device that switches the rotation direction of the brush shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63152411A JP2511109B2 (en) | 1988-06-22 | 1988-06-22 | Bolt hole cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63152411A JP2511109B2 (en) | 1988-06-22 | 1988-06-22 | Bolt hole cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH024490A true JPH024490A (en) | 1990-01-09 |
| JP2511109B2 JP2511109B2 (en) | 1996-06-26 |
Family
ID=15539927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63152411A Expired - Lifetime JP2511109B2 (en) | 1988-06-22 | 1988-06-22 | Bolt hole cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511109B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804318B1 (en) * | 2006-04-26 | 2008-02-15 | 한전케이피에스 주식회사 | System for cleaning, inspecting and managing a stud bolt hole |
| JP2009031215A (en) * | 2007-07-30 | 2009-02-12 | Korea Plant Service & Engineering Co Ltd | System for cleaning, inspection, and defect history management of stud bolt hole |
| WO2017144735A1 (en) * | 2016-02-22 | 2017-08-31 | Ingenieria Y Marketing, S.A. | Device for cleaning the accommodating means of the bolts of the cover of the reactor vessel of a nuclear centre, and corresponding operating method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101892400B1 (en) * | 2017-11-29 | 2018-08-27 | 한전케이피에스 주식회사 | Cleaning apparatus for reactor stud hole |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61130898A (en) * | 1984-11-30 | 1986-06-18 | 三菱重工業株式会社 | Scavengery work device |
| JPS6394589U (en) * | 1986-12-12 | 1988-06-18 |
-
1988
- 1988-06-22 JP JP63152411A patent/JP2511109B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61130898A (en) * | 1984-11-30 | 1986-06-18 | 三菱重工業株式会社 | Scavengery work device |
| JPS6394589U (en) * | 1986-12-12 | 1988-06-18 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804318B1 (en) * | 2006-04-26 | 2008-02-15 | 한전케이피에스 주식회사 | System for cleaning, inspecting and managing a stud bolt hole |
| JP2009031215A (en) * | 2007-07-30 | 2009-02-12 | Korea Plant Service & Engineering Co Ltd | System for cleaning, inspection, and defect history management of stud bolt hole |
| WO2017144735A1 (en) * | 2016-02-22 | 2017-08-31 | Ingenieria Y Marketing, S.A. | Device for cleaning the accommodating means of the bolts of the cover of the reactor vessel of a nuclear centre, and corresponding operating method |
| EP3422362A4 (en) * | 2016-02-22 | 2019-03-27 | Ingeniería Y Marketing, S.A. | Device for cleaning the accommodating means of the bolts of the cover of the reactor vessel of a nuclear centre, and corresponding operating method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511109B2 (en) | 1996-06-26 |
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