JPS63167210A - Wear quantity detecting device - Google Patents
Wear quantity detecting deviceInfo
- Publication number
- JPS63167210A JPS63167210A JP31121286A JP31121286A JPS63167210A JP S63167210 A JPS63167210 A JP S63167210A JP 31121286 A JP31121286 A JP 31121286A JP 31121286 A JP31121286 A JP 31121286A JP S63167210 A JPS63167210 A JP S63167210A
- Authority
- JP
- Japan
- Prior art keywords
- wear
- piston
- filler
- amount
- detected
- 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.)
- Pending
Links
- 239000000945 filler Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 abstract description 12
- 230000002411 adverse Effects 0.000 description 5
- 239000003949 liquefied natural gas Substances 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 101100264174 Mus musculus Xiap gene Proteins 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000001577 neostriatum Anatomy 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
【発明の詳細な説明】 技術分野 本発明は、摩耗量を検出するための装置に関する。[Detailed description of the invention] Technical field The present invention relates to a device for detecting wear amount.
背景技術
たとえば液化天然ガスの気化したガスを圧送する圧縮機
のシリング内面の摩耗量を検出して、保守を確実に行な
う゛必要がある。従来では、この上うな液化天然ガスの
極低温−１６０℃の下で使用することができる摩耗量の
検出のための構成は実現されていない、また摩耗量の検
出は、内燃機関のシリンダ内壁および摩擦ブレーキ装置
のシューなとでも行なわれる必要があり、このような温
度などの悪条件下での使用が可能な構成が実現されてい
ない。BACKGROUND ART For example, it is necessary to detect the amount of wear on the inner surface of a sill of a compressor that pumps vaporized liquefied natural gas to ensure maintenance. Conventionally, a configuration for detecting the amount of wear that can be used at the extremely low temperature of liquefied natural gas of -160°C has not been realized. This must also be done with the shoe of a friction brake device, and no structure has been realized that can be used under such adverse conditions such as temperature.
発明が解決すべき問題点
本発明の目的は、低温または高温などの悪条件下でも、
摩耗量を正確に検出することができる摩耗量検出装置を
提供することである。Problems to be Solved by the Invention The purpose of the present invention is to solve the problem even under adverse conditions such as low or high temperatures.
It is an object of the present invention to provide a wear amount detection device that can accurately detect the amount of wear.
問題点を解決するための手段
本発明は、摩耗量が検出されるべき物体よりも低い硬度
の材料から成り、光または電気信号を導き、検出すべき
摩耗量に対応して順次配置される複数の線状体と。Means for Solving the Problems The present invention provides a plurality of objects made of a material whose hardness is lower than that of the object whose amount of wear is to be detected, which guides an optical or electrical signal, and which is arranged in sequence in accordance with the amount of wear to be detected. with the striatum.
前記物体よりも低い硬度の材料から成り、前記線状体を
保持する充填材と、
各線状体の個別的な断線を検出する手段とを含むことを
特徴とする摩耗量検出ｇ＆置である。The wear amount detection apparatus is characterized in that it is made of a material having a hardness lower than that of the object and includes a filler for holding the linear body, and means for detecting individual breaks in each linear body.
作 用
本発明に従えば、複数の線状体と、それらを保持する充
填材とは、摩耗量が検出されるべき物体・たとえばシリ
ングの内壁および摩擦ブレーキのシューなとよりも低い
硬度の材料から成り、したがって前記物体の摩耗に伴っ
て充填材が摩耗され、また線状体が摩耗されてゆく、各
線状体は検出すべき摩耗量に対応して順次配置されてお
り、したがって摩耗量の進行の程度に応じて、その摩耗
量に対応した線状体が断線される。各線状体の個別的な
断線を検出することによって摩耗量を検出することがで
きる。According to the present invention, the plurality of linear bodies and the filler that holds them are made of a material whose hardness is lower than that of the object whose wear amount is to be detected, such as the inner wall of a sill and the shoes of a friction brake. Therefore, as the object wears, the filler material is worn out and the linear bodies are also worn away. Each linear body is arranged in sequence corresponding to the amount of wear to be detected, and therefore Depending on the degree of progress, the wire body corresponding to the amount of wear is broken. The amount of wear can be detected by detecting individual breaks in each linear body.
線状体および充填材は、低温および高温の悪条件下にお
いても使用することができ、したがってこのような悪条
件下における摩耗量を確実に検出することができる。The linear body and filler can be used even under adverse conditions of low and high temperatures, and therefore the amount of wear under such adverse conditions can be reliably detected.
実施例
ｆＩＳ１図は本発明の一実施例の一部の断面図であり、
第２図は第１図の切断面線■−■から見た断面図である
。この摩耗量検出素子１の正面２は第３図に示されてい
るとおりであり、このような摩耗量検出素子１は第４図
に示されるように圧縮機３のシリング４の周壁に固定さ
れる。圧＄１［３は、たとえば極低温の液化天然がスが
気化したガスを圧送するために使用され、シリング４内
でピストン５が往復駆動される。これによってシリング
４の周壁は摩耗してゆき、この摩耗量を摩耗量検出素子
１によって検出する。すなわち、ピストン５には、テフ
ロン（商品名）、カーボン系の材質であるピストンライ
ダーリング８が設けられ、これに乗ってピストン５が動
く。ピストン５に１±、ピストンリング２４が設けられ
る。ピストンライダーリング８が摩耗すると、ピストン
５の外周面とシリング４の内周面との間のす！まがなく
なり、ピストン５とシリング４とが接触し、損傷、事故
となる。Example fIS1 Figure is a cross-sectional view of a part of an example of the present invention,
FIG. 2 is a cross-sectional view taken along the section line ``---'' in FIG. The front face 2 of this wear amount detection element 1 is as shown in FIG. 3, and such wear amount detection element 1 is fixed to the peripheral wall of the sill 4 of the compressor 3 as shown in FIG. Ru. The pressure $1[3 is used to forcefully transport gas obtained by vaporizing cryogenic liquefied natural gas, for example, and the piston 5 is driven to reciprocate within the sill 4. As a result, the peripheral wall of the sill 4 wears out, and the wear amount detection element 1 detects the amount of wear. That is, the piston 5 is provided with a piston rider ring 8 made of a carbon-based material such as Teflon (trade name), and the piston 5 moves on this. The piston 5 is provided with a piston ring 24. When the piston rider ring 8 wears out, the gap between the outer circumferential surface of the piston 5 and the inner circumferential surface of the cylinder 4! The piston 5 and the sill ring 4 come into contact with each other, resulting in damage and an accident.
シリンダ４の周壁のピストン５と摺動する内面部分６は
、高硬度である。摩耗量検出素子１は、基本的には、複
数の光ファイバＦと、その光７アイパＦを保持する充填
材７とを有する。光７アイバＦと充填材７とは、シリン
グ４の内面部分６よりも低い硬度の材料から成る。充填
材７は、たとえばシリコンゴム、アクリル樹脂、テフロ
ン （商品名）などから成ってもよく、またアルミニウ
ムなどのようなシリング４の内面部分６よりら低い硬度
を有しかつ鋳造が穿易である金属材料から成ってもよい
、光ファイバは、総括的には参照符Ｆで示し、個別的に
は参照符Ｆ １ 、Ｆ ２ 、・・・、Ｆｎで示される
ように、シリング４の軸線に垂直な仮想平面上に、シリ
ング４の半径方向に相互に密着して、またはわずかな間
隔をあけて彎曲して配置されており、これらの光７フイ
パＦの彎曲部分の半径Ｒ１は、それらの光７フイパＦが
折損しない程度の大きさに選ばれている。The inner surface portion 6 of the peripheral wall of the cylinder 4 that slides on the piston 5 has high hardness. The wear detection element 1 basically includes a plurality of optical fibers F and a filler 7 that holds the optical fibers F. The optical fiber 7 and the filler 7 are made of a material having a lower hardness than the inner surface 6 of the sill 4. The filler 7 may be made of, for example, silicone rubber, acrylic resin, Teflon (trade name), etc., and may be made of aluminum or the like which has a lower hardness than the inner surface 6 of the sill 4 and is easy to cast. The optical fibers, which may consist of metallic materials, are generally designated by the reference F and individually by the references F 1 , F 2 , . . . On a vertical virtual plane, the shillings 4 are arranged in close contact with each other in the radial direction or in a curved manner with a slight interval between them, and the radius R1 of the curved portion of these lights 7 and 50 F is equal to their The size is selected so that the optical fiber 7 fiber F does not break.
このような構造を有する摩耗量検出素子１は、充填材２
を半割り状として、それらの間に光７フイバＦを挟圧し
て構成されてもよく、あるいはまた光ファイバＦが、溶
融状態にある充填材２内に、埋込まれた状態で充填材２
が成型されて製造されてもよい。The wear amount detection element 1 having such a structure has a filling material 2
It may be constructed by cutting the optical fiber F into two halves and sandwiching the optical fiber F between them, or alternatively, the optical fiber F may be embedded in the filler material 2 in a molten state.
may be manufactured by molding.
第５図は、光７アイパＦに関連する構成を示すブロック
図である。複数の個別的な光７アイパＦ１〜Ｆｎの一方
の端部９には、発光素子１０から光が共通に供給される
。定電流回ｖ！１１からの電力は、駆動回路１２に与え
られ、発光素子１０は一定の電流で、したがって予め定
めた光量で、光を発生する。光７アイバＦ１〜Ｆｎの他
方の各端部からの光は、受光素子Ｄ１〜Ｄｎによって受
光され、その受光量に対応した電流出力を導出する。FIG. 5 is a block diagram showing the configuration related to Hikari 7 Aiper F. Light is commonly supplied from a light emitting element 10 to one end 9 of the plurality of individual light 7 eyepers F1 to Fn. Constant current times v! Power from 11 is applied to a drive circuit 12, and the light emitting element 10 emits light with a constant current and therefore with a predetermined amount of light. The light from the other ends of the light 7 eyeglasses F1 to Fn is received by the light receiving elements D1 to Dn, and a current output corresponding to the amount of received light is derived.
受光素子Ｄ１〜Ｄｎからの電流出力は、電流／７！圧変
換回路０１〜Ｃｎに与えられて電圧に変換され、比較回
路Ｅ１〜Ｅｎで予め定めた値と比較される。この比較回
路Ｅ１〜Ｅｎの出力によって、光７フイパＦ１〜Ｆｎが
断線しているか否かが判断される。比較回路Ｅ１〜Ｅｎ
の出力は、出力回路Ｇ１〜Ｇｎから導出される。The current output from the light receiving elements D1 to Dn is current/7! The voltage is applied to voltage conversion circuits 01 to Cn, converted into voltage, and compared with a predetermined value by comparison circuits E1 to En. Based on the outputs of the comparison circuits E1 to En, it is determined whether or not the optical 7 fibers F1 to Fn are disconnected. Comparison circuit E1~En
The outputs are derived from output circuits G1 to Gn.
圧縮機の使用によってピストン５に取付けられているピ
ストンライダーリング８が摩耗しこれに伴って充填材７
の内面２が摩耗してゆく、摩耗が進行することによって
、充填材７とともに光７アイバＦ１〜Ｆｎが半径方向外
方から内方に順に摩耗されて断線される。こうして光７
アイバＦ１〜Ｆｎの断線の情況を見ることによって、ピ
ストン５に取付けられたピストン２イダーリング８の摩
耗量を検出することが可能となる。Due to the use of the compressor, the piston rider ring 8 attached to the piston 5 wears out, and as a result, the filler 7
As the inner surface 2 of the optical fiber 7 is worn out, as the wear progresses, the optical fibers F1 to Fn along with the filler 7 are sequentially worn from the outer side to the inner side in the radial direction and are disconnected. Thus light 7
By observing the state of disconnection of the eyelets F1 to Fn, it is possible to detect the amount of wear on the piston 2 side ring 8 attached to the piston 5.
このような実施例では、圧縮機によって圧送される流体
が上述のように液化天然ガスの気化したガスなどのよう
に極低温であっても、摩耗量検出索子１が破損すること
なしに、摩耗量を確実に検出することが可能になる。ま
た光７アイパＦを用いることによって、前記ガスが可燃
性であっても、爆発の危険を防ぐことができ、安全であ
る。In such an embodiment, even if the fluid pumped by the compressor is at an extremely low temperature such as vaporized gas of liquefied natural gas as described above, the wear amount detection rope 1 can be operated without being damaged. It becomes possible to reliably detect the amount of wear. Furthermore, by using Hikari 7 Aipah F, even if the gas is flammable, the danger of explosion can be prevented and it is safe.
使用される流体が不活性ガス、たとえば窒素ガスなどで
あるときには光７アイパＦに代えてａ４およびアルミニ
ツムなどのような電気良導体から成る線状体が用いられ
てもよく、あるいはまた炭素繊維などによって各線状体
が構成されてもよい。When the fluid used is an inert gas, such as nitrogen gas, a linear body made of a good electrical conductor such as A4 and aluminum may be used instead of Hikari7aipaF, or a linear body made of a good electrical conductor such as carbon fiber or the like may be used. Each linear body may be configured.
このとき充填材７は、電気絶縁性材料、たとえばシリコ
ンゴム、アクリル樹脂およびテフロン （商品名）など
から成る。At this time, the filler 7 is made of an electrically insulating material such as silicone rubber, acrylic resin, and Teflon (trade name).
第６図は、本発明の他の実施例の断面図である。FIG. 6 is a sectional view of another embodiment of the invention.
摩耗量検出素子１は竪形ポンプ１４の断面図である。こ
の竪型ポンプ１４は、ケーシング１５内に回転可能に設
けられた羽根車１Ｇを有し、この羽根１′ｌ１１６の回
転軸１７は、すべり軸受１８．１９゜２０によってラジ
アル力およびスラスト力が受けられて支持され、モータ
２１によって回転駆動される。入口２２からの液体は、
出口２３がら吐出される。The wear amount detection element 1 is a sectional view of a vertical pump 14. This vertical pump 14 has an impeller 1G rotatably provided in a casing 15, and the rotating shaft 17 of this impeller 1'l116 receives radial force and thrust force by a sliding bearing 18.19°20. It is supported and rotated by a motor 21. The liquid from the inlet 22 is
It is discharged from the outlet 23.
すべり軸受１９の摩耗量を検出するために、前述の実施
例と同様な構成を有する摩耗量検出素子１が設けられる
。その他の構成は、前述の実施例と同様である。こうし
てすべり軸受１９の摩耗量を検出することができる。In order to detect the amount of wear on the sliding bearing 19, a wear amount detection element 1 having a configuration similar to that of the previous embodiment is provided. The other configurations are similar to those of the previous embodiment. In this way, the amount of wear on the slide bearing 19 can be detected.
本発明によれば、摩擦ブレーキ装置のブレーキシューの
摩耗１などを検出するためなどにもまた実施することが
できる。According to the invention, it can also be implemented, for example, to detect wear 1 of brake shoes of a friction brake device.
効 果
以上のように本発明によれば、低温または高温などの悪
条件下においても、使用できる摩耗量検出素子を用いる
ことにより、回転部および往復部の運転状態に関係なく
、摺動部の摩耗量を確実に検出することが可能になる。Effects As described above, according to the present invention, by using a wear amount detection element that can be used even under adverse conditions such as low or high temperatures, the sliding part can be detected regardless of the operating state of the rotating part and the reciprocating part. It becomes possible to reliably detect the amount of wear.
また摩耗量検出素子は、接触式であるので、信頼性が高
い。Furthermore, since the wear amount detection element is a contact type, it is highly reliable.
第１図は本発明の一実施例の摩耗量検出素子１の断面図
、第２図は第１図の切断面線■−■から見た断面図、第
３図は摩耗量検出索子１のシリング４内方側から見た正
面図、ｆ：ｔＳ４図は圧縮８！３の簡略化した断面図、
第５図は光７フイパＦ１〜Ｆｎに関連するブロック図、
第６図は本発明の他の実施例の断面図である。
１・・・摩耗量検出素子、３・・・圧縮機、４・・・シ
リング、５・・・ピストン、７・・・充填材、Ｆ、Ｆｌ
〜Ｆｎ・・・光７アイパ
代理人 弁理士 画数 圭一部
第１図
第２図
第３図
第 ５図FIG. 1 is a sectional view of a wear amount detection element 1 according to an embodiment of the present invention, FIG. 2 is a sectional view taken from the cutting plane line ■-■ in FIG. A front view of the Schilling 4 seen from the inside, f:tS4 is a simplified cross-sectional view of the compression 8!3,
FIG. 5 is a block diagram related to optical 7 fibers F1 to Fn,
FIG. 6 is a sectional view of another embodiment of the invention. DESCRIPTION OF SYMBOLS 1... Wear amount detection element, 3... Compressor, 4... Schilling, 5... Piston, 7... Filler, F, Fl
~Fn... Hikari 7 AIPA agent Patent attorney Number of strokes Keiichi Figure 1 Figure 2 Figure 3 Figure 5
Claims (1)
成り、光または電気信号を導き、検出すべき摩耗量に対
応して順次配置される複数の線状体と、 前記物体よりも低い硬度の材料から成り、前記線状体を
保持する充填材と、 各線状体の個別的な断線を検出する手段とを含むことを
特徴とする摩耗量検出装置。[Scope of Claims] A plurality of linear bodies made of a material whose hardness is lower than that of the object whose wear amount is to be detected, which guides optical or electrical signals, and which are arranged in sequence in accordance with the wear amount to be detected; A wear amount detection device comprising: a filler that is made of a material having a hardness lower than that of the object and holds the linear body; and means for detecting individual breaks in each linear body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31121286A JPS63167210A (en) | 1986-12-27 | 1986-12-27 | Wear quantity detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31121286A JPS63167210A (en) | 1986-12-27 | 1986-12-27 | Wear quantity detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63167210A true JPS63167210A (en) | 1988-07-11 |
Family
ID=18014451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31121286A Pending JPS63167210A (en) | 1986-12-27 | 1986-12-27 | Wear quantity detecting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63167210A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57144402A (en) * | 1981-03-02 | 1982-09-07 | Akebono Brake Ind Co Ltd | Sensor for detecting abrasion loss of brake lining |
-
1986
- 1986-12-27 JP JP31121286A patent/JPS63167210A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57144402A (en) * | 1981-03-02 | 1982-09-07 | Akebono Brake Ind Co Ltd | Sensor for detecting abrasion loss of brake lining |
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