JPS637472U - - Google Patents
Info
- Publication number
- JPS637472U JPS637472U JP10081686U JP10081686U JPS637472U JP S637472 U JPS637472 U JP S637472U JP 10081686 U JP10081686 U JP 10081686U JP 10081686 U JP10081686 U JP 10081686U JP S637472 U JPS637472 U JP S637472U
- Authority
- JP
- Japan
- Prior art keywords
- mechanical plug
- core
- plug removal
- mandrel
- mechanical
- 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
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
第１図は本考案の制御回路を採用したメカニカ
ルプラグ除去工具のシリンダ部の構造を示す。第
２図ａ〜ｅは第１図に示したメカニカルプラグ除
去工具によるメカニカルプラグ引抜き過程におけ
る各ステツプを示す。第３図は第１図に示したメ
カニカルプラグ除去工具の中子押し上げ／プラグ
引抜きライン及びマンドレル回転エアモータライ
ンの配管系統図を示す。第４図は、本考案メカニ
カルプラグ除去工具制御回路のメカニカルプラグ
除去行程における入・出力信号取合図を示す。第
５図は、第１図に示したメカニカルプラグ除去工
具によるメカニカルプラグ引抜き行程のタイムチ
ヤートを示す。第６図は、第５図のタイムチヤー
トより作成したメカニカルプラグ引抜き基本ロジ
ツクの一例を示す。第７図は、従来使用されてき
た手動式メカニカルプラグ除去工具の一例を示す
。
１……中子押し上げ／プラグ引抜きシリンダ、
２……ピストン、３……マンドレル、４……中子
押し棒、５……マンドレル回転エアモータ、６…
…メカニカルプラグ、７……中子、８……伝熱管
、１５……蒸気発生器水室、１６……管板、２３
……プラグ引抜き完了センサ、２４……プラグね
じ込み開始センサ、２５……プラグねじ込み完了
センサ、２６……中子押し上げ完了センサ。
FIG. 1 shows the structure of a cylinder portion of a mechanical plug removal tool employing the control circuit of the present invention. FIGS. 2a to 2e show each step in the mechanical plug removal process using the mechanical plug removal tool shown in FIG. FIG. 3 shows a piping system diagram of the core lifting/plug pulling line and the mandrel rotating air motor line of the mechanical plug removal tool shown in FIG. FIG. 4 shows an input/output signal interaction diagram in the mechanical plug removal process of the mechanical plug removal tool control circuit of the present invention. FIG. 5 shows a time chart of the mechanical plug removal process by the mechanical plug removal tool shown in FIG. FIG. 6 shows an example of the basic logic for mechanical plug removal created from the time chart shown in FIG. FIG. 7 shows an example of a conventionally used manual mechanical plug removal tool. 1... Core pushing up/plug pulling cylinder,
2... Piston, 3... Mandrel, 4... Core push rod, 5... Mandrel rotating air motor, 6...
... Mechanical plug, 7 ... Core, 8 ... Heat exchanger tube, 15 ... Steam generator water chamber, 16 ... Tube sheet, 23
... Plug removal completion sensor, 24 ... Plug screwing start sensor, 25 ... Plug screwing completion sensor, 26 ... Core pushing-up completion sensor.
Claims (1)
プラグ下端にねじ込み、ねじ込み完了後に中子押
し棒を上昇させて中子を押し上げ、押し上げ完了
後にマンドレルを下降させてメカニカルプラグを
伝熱管から引抜くようにしたことを特徴とするメ
カニカルプラグ除去工具制御回路。 The mandrel is raised and rotated to screw it into the lower end of the mechanical plug, and after screwing is completed, the core pushing rod is raised to push up the core, and after the pushing is completed, the mandrel is lowered to pull out the mechanical plug from the heat transfer tube. Features a mechanical plug removal tool control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986100816U JPH0511979Y2 (en) | 1986-07-02 | 1986-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986100816U JPH0511979Y2 (en) | 1986-07-02 | 1986-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS637472U true JPS637472U (en) | 1988-01-19 |
| JPH0511979Y2 JPH0511979Y2 (en) | 1993-03-25 |
Family
ID=30970984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986100816U Expired - Lifetime JPH0511979Y2 (en) | 1986-07-02 | 1986-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0511979Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56146682A (en) * | 1980-03-12 | 1981-11-14 | Westinghouse Electric Corp | Treating device for plug |
-
1986
- 1986-07-02 JP JP1986100816U patent/JPH0511979Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56146682A (en) * | 1980-03-12 | 1981-11-14 | Westinghouse Electric Corp | Treating device for plug |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0511979Y2 (en) | 1993-03-25 |
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