JPH051757Y2 - - Google Patents
Info
- Publication number
- JPH051757Y2 JPH051757Y2 JP1987025622U JP2562287U JPH051757Y2 JP H051757 Y2 JPH051757 Y2 JP H051757Y2 JP 1987025622 U JP1987025622 U JP 1987025622U JP 2562287 U JP2562287 U JP 2562287U JP H051757 Y2 JPH051757 Y2 JP H051757Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas holder
- rubber
- side plate
- sealing
- wear
- 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.)
- Expired - Lifetime
Links
- 229920001971 elastomer Polymers 0.000 claims description 29
- 239000005060 rubber Substances 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 17
- 239000003566 sealing material Substances 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案はホルダ側板と同側板内を上下動するピ
ストンとの間を気密に保持するように構成され
た、高炉ガス等のガスを一定圧力で貯蔵するガス
ホルダにおけるシール材の磨耗検知装置に係るも
のである。[Detailed description of the invention] (Field of industrial application) The invention is designed to maintain airtightness between a holder side plate and a piston that moves up and down within the same side plate, and is designed to maintain a constant pressure of gas such as blast furnace gas. The present invention relates to a wear detection device for a sealing material in a gas holder stored in a gas holder.
（従来の技術）
第３図は液シール型ガスホルダを示し、１はホ
ルダ側板、２は同側板１内を上下動するピストン
で、同ピストン２の外周に前記側板１との間の気
密を保持するシール部３が配設されている。(Prior art) Fig. 3 shows a liquid seal type gas holder, in which 1 is a holder side plate, 2 is a piston that moves up and down within the same side plate 1, and maintains airtightness between the outer periphery of the piston 2 and the side plate 1. A sealing portion 3 is provided.
同シール部３は第１図及び第２図に示す如く、
上下のシールゴム４及び同各シールゴム４を所定
間隔に保持する木製のシール材スペーサ５及び押
えゴム６を保持する保持金具７がピストン２の外
周に配設された支持部（図示せず）に装着され、
支持部に装着された弾機（図示せず）の賦勢力と
液溝に貯留されたシール液９の静圧力とによつ
て、シールゴム４が側板１に圧着され、ピストン
２下部の貯留ガスがシールされている。 The seal portion 3 is as shown in FIGS. 1 and 2.
Upper and lower sealing rubbers 4, wooden sealing material spacers 5 that hold the sealing rubbers 4 at predetermined intervals, and holding fittings 7 that hold the presser rubber 6 are attached to a support part (not shown) provided on the outer periphery of the piston 2. is,
The seal rubber 4 is pressed against the side plate 1 by the urging force of the bullet (not shown) attached to the support and the static pressure of the seal liquid 9 stored in the liquid groove, and the gas stored at the bottom of the piston 2 is released. It is sealed.
なおシール液９は側板１とシール材４との間隙
より流下し、ホルダ底部に設けられた溝に集めら
れ、間歇的に作動するポンプによつて、ピストン
２の上部の液溝に循環される。 The sealing liquid 9 flows down from the gap between the side plate 1 and the sealing material 4, is collected in a groove provided at the bottom of the holder, and is circulated to the liquid groove at the top of the piston 2 by a pump that operates intermittently. .
（考案が解決しようとする問題点）
前記ガスホルダを長期間使用すると、シールゴ
ムが磨耗し、同シールゴムが極度に磨耗するとシ
ール機能を損ない、ホルダの側板を毀損するが、
従来のガスホルダではその稼動中にシールゴムの
磨耗状況を検出することができなかつた。(Problems to be solved by the invention) If the gas holder is used for a long period of time, the sealing rubber will wear out, and if the sealing rubber is extremely worn, the sealing function will be impaired and the side plate of the holder will be damaged.
With conventional gas holders, it has not been possible to detect the wear status of the seal rubber during operation.
（問題点を解決するための手段）
本考案はこのような問題点を解決するために提
案されたガスホルダにおけるシール材磨耗検知装
置に係り、ガスホルダ側板内を上下動するピスト
ンの外周に、前記側板内周面に沿つて摺動し、同
側板と前記ピストンとの間の気密を保持するシー
ル材を具えたシール装置を有するガスホルダにお
いて、前記シール装置の押えゴム中にシールゴム
の磨耗限界部に位置する部分に開口部が生じる内
腔部を設け、該内腔部に対峙させてその間に介在
する媒質の変化を検知する検出端を配設すると共
に、該検出端からの出力信号を検知する検出装置
をガスホルダの外側に配設したことによつて前記
の問題点を解決するものである。(Means for Solving the Problems) The present invention relates to a sealing material wear detection device for a gas holder proposed to solve the above problems. In a gas holder having a sealing device equipped with a sealing material that slides along an inner circumferential surface and maintains airtightness between the same side plate and the piston, the gas holder is located in a presser rubber of the sealing device at a wear limit part of the sealing rubber. a detection end that faces the inner cavity and detects a change in the medium interposed therebetween, and detects an output signal from the detection end; The above problem is solved by arranging the device outside the gas holder.
（作用）
本考案においては前記したように、ガスホルダ
におけるシール材押えゴム中に磨耗限界検出部が
組込まれているので、ガスホルダの使用に伴つて
シール材が限界まで磨耗すると押えゴムが破孔
し、これを同押えゴム内の前記検出部によつてシ
ール材の磨耗限界を検知する。(Function) As described above, in the present invention, since the wear limit detection part is built into the sealing material presser rubber of the gas holder, if the sealing material is worn to the limit as the gas holder is used, the presser rubber will break. , the abrasion limit of the sealing material is detected by the detection section in the same presser rubber.
（効果）
このように本考案によれば、シール材押えゴム
に、磨耗限界検出部を組込んだことによつて、シ
ール材の磨耗量を検出できるので、シール材の異
常磨耗を予防し突発事故の発生を防止し、またシ
ール装置の点検の省力化を図ることができる。(Effects) According to the present invention, the amount of wear of the seal material can be detected by incorporating the wear limit detection section into the seal material presser rubber, thereby preventing abnormal wear of the seal material and preventing sudden wear. It is possible to prevent accidents from occurring and to save labor in inspecting the sealing device.
また前記押えゴムはガスホルダのシール性能と
無関係なため、前記したように磨耗検出部を組込
んでもシール性能を損なうことがない。 Furthermore, since the presser rubber has nothing to do with the sealing performance of the gas holder, the sealing performance will not be impaired even if the abrasion detection section is incorporated as described above.
（実施例） 以下本考案を図示の実施例について説明する。(Example) The present invention will be described below with reference to the illustrated embodiments.
第１図は本考案の一実施例を示し、押えゴム６
中にシールゴムの磨耗限界部に位置する部分に開
口部が生ずる内腔部６ａを設け該内腔部６ａに磨
耗限界検出部として２本の平板コンデンサ１１を
組込み、同各平板コンデンサ１１をガスホルダの
外側に配設した防爆静電容量検出アンプ１２に接
続している。 FIG. 1 shows an embodiment of the present invention, in which the presser rubber 6
A lumen 6a is provided in which an opening is formed at a portion located at the abrasion limit of the seal rubber, and two flat capacitors 11 are installed in the lumen 6a as a wear limit detection section, and each of the flat capacitors 11 is connected to a gas holder. It is connected to an explosion-proof capacitance detection amplifier 12 arranged outside.
図示の実施例は前記したように構成されている
ので、シールゴム４及び押えゴム６の磨耗が同押
えゴム６における前記内腔部６ａにまで進行する
と、シール油９が同部６ａ内に流入して２本の平
板コンデンサ１１，１１はシール油９を介して接
触し、平板コンデンサ１１の静電容量が増加す
る。 Since the illustrated embodiment is configured as described above, when the wear of the seal rubber 4 and the presser rubber 6 progresses to the inner cavity 6a of the presser rubber 6, the seal oil 9 flows into the inner cavity 6a. The two flat capacitors 11, 11 come into contact with each other via the seal oil 9, and the capacitance of the flat capacitor 11 increases.
この変化を防爆静電容量検出アンプ１２で検出
して警報器より警報を発する。 This change is detected by the explosion-proof capacitance detection amplifier 12 and an alarm is issued by the alarm device.
第２図は本考案の他の実施例を示し、押えゴム
６の内腔部６ａに磨耗限界検出部として２本の光
フアイバ１３の先端部が設置され、同各光フアイ
バ１３はガスホルダ外部に設置された光スイツチ
アンプ（図示せず）に接続されている。 FIG. 2 shows another embodiment of the present invention, in which the tips of two optical fibers 13 are installed as wear limit detection parts in the inner cavity 6a of the presser rubber 6, and each optical fiber 13 is connected to the outside of the gas holder. It is connected to an installed optical switch amplifier (not shown).
図示の実施例は前記したように構成されている
ので、シールゴム４及び押えゴム６の磨耗が同押
えゴム６における前記内腔部６ａにまで進行する
と、シール油９が同部６ａ内に流入して２本の光
フアイバ１３，１３を遮光する。 Since the illustrated embodiment is configured as described above, when the wear of the seal rubber 4 and the presser rubber 6 progresses to the inner cavity 6a of the presser rubber 6, the seal oil 9 flows into the inner cavity 6a. The two optical fibers 13, 13 are shielded from light.
これを光スイツチアンプで検出して警報を発す
る。 An optical switch amplifier detects this and issues an alarm.
このように本考案によるときはシール装置の押
えゴム中にシールゴムの磨耗限界部に位置する部
分に開口部が生じる内腔部を設け、該内腔部に対
峙させてその間に介在する媒質の変化を検知する
検出端を配設すると共に該検出端からの出力信号
を検知する検出装置をガスホルダの外側に配設し
たものであるからガスホルダ内へ立ち入ることな
くガスホルダの外側でシール材の磨耗限界を把握
出来るため安全であると共にその検知が容易とな
つて、信頼性を高め、而もシール装置外部へ引出
すものはケーブルで足りるので、その破損が生じ
た場合でもガス漏れは起らない等の効果を有す
る。 In this way, according to the present invention, an inner cavity is provided in the presser rubber of the sealing device, and an opening is formed at a portion located at the wear limit of the seal rubber, and the inner cavity is opposed to the inner cavity to prevent the change in the medium interposed therebetween. A detection end that detects the gas is installed, and a detection device that detects the output signal from the detection end is installed outside the gas holder, so it is possible to check the wear limit of the sealing material outside the gas holder without entering the gas holder. It is safe because it can be grasped, and it is easy to detect, increasing reliability.Also, since a cable is sufficient to lead out of the sealing device, even if the cable is damaged, there will be no gas leakage, etc. has.
第１図は本考案の一実施例を示す縦断面図、第
２図は本考案の他の実施例を示す縦断面図、第３
図はガスホルダの概要を示す縦断面図である。
４……シールゴム、６……押えゴム、１１……
平板コンデンサ、１３……光フアイバ。
Fig. 1 is a vertical sectional view showing one embodiment of the present invention, Fig. 2 is a longitudinal sectional view showing another embodiment of the invention, and Fig. 3 is a longitudinal sectional view showing another embodiment of the invention.
The figure is a vertical sectional view showing an outline of the gas holder. 4... Seal rubber, 6... Presser rubber, 11...
Flat plate capacitor, 13...optical fiber.
Claims (1)
に、前記側板内周面に沿つて摺動し、同側板と前
記ピストンとの間の気密を保持するシール材を具
えたシール装置を有するガスホルダにおいて、前
記シール装置の押えゴム中にシールゴムの磨耗限
界部に位置する部分に開口部が生じる内腔部を設
け、該内腔部に対峙させてその間に介在する媒質
の変化を検知する検出端を配設すると共に、該検
出端からの出力信号を検知する検出装置をガスホ
ルダの外側に配設したことを特徴とするガスホル
ダにおけるシール材磨耗検出装置。 In the gas holder, the gas holder includes a sealing device provided on the outer periphery of the piston that moves up and down within the gas holder side plate, and a sealing material that slides along the inner circumferential surface of the side plate and maintains airtightness between the side plate and the piston. A lumen is provided in the presser rubber of the sealing device, with an opening formed at a portion located at the wear limit of the seal rubber, and a detection end is provided facing the lumen to detect changes in the medium interposed therebetween. A sealing material wear detection device for a gas holder, characterized in that a detection device for detecting an output signal from the detection end is disposed outside the gas holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025622U JPH051757Y2 (en) | 1987-02-25 | 1987-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025622U JPH051757Y2 (en) | 1987-02-25 | 1987-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63133696U JPS63133696U (en) | 1988-09-01 |
| JPH051757Y2 true JPH051757Y2 (en) | 1993-01-18 |
Family
ID=30825947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987025622U Expired - Lifetime JPH051757Y2 (en) | 1987-02-25 | 1987-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH051757Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6375699U (en) * | 1986-11-06 | 1988-05-20 |
-
1987
- 1987-02-25 JP JP1987025622U patent/JPH051757Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63133696U (en) | 1988-09-01 |
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