JPS61197830A - Hydraulic vibration preventing device - Google Patents

Hydraulic vibration preventing device

Info

Publication number
JPS61197830A
JPS61197830A JP3769285A JP3769285A JPS61197830A JP S61197830 A JPS61197830 A JP S61197830A JP 3769285 A JP3769285 A JP 3769285A JP 3769285 A JP3769285 A JP 3769285A JP S61197830 A JPS61197830 A JP S61197830A
Authority
JP
Japan
Prior art keywords
oil
cylinder
piston rod
lid
case
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
Application number
JP3769285A
Other languages
Japanese (ja)
Inventor
Izumi Tamura
田村 泉
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.)
Sanwa Tekki Corp
Original Assignee
Sanwa Tekki Corp
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 Sanwa Tekki Corp filed Critical Sanwa Tekki Corp
Priority to JP3769285A priority Critical patent/JPS61197830A/en
Publication of JPS61197830A publication Critical patent/JPS61197830A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

PURPOSE:To prevent oil leak from a sealing portion such as sliding portion of a piston rod by sinking a cylinder in an oil case and fitting a metal lining ring to an inner circumference of a piston rod through hole of an end lid of the cylinder. CONSTITUTION:A cylinder 7 is fixed in an oil case 1 provided with a pulling unit 3 and it is sinked in the oil 0, and oil passages 11, 14 are formed on both sides of the cylinder 7 and popet valves 12, 15 are interposed on the passages, and a sliding portion between a piston rod 17 provided with a pulling unit 18 and a cylinder end lid 10 is sinked in the oil A metal lining ring 13 is fit to an inner circumference of a piston rod through hole 10a of the cylinder end lid 10. Then, maintenance and checking of sealing member can be omitted and as oil pressure in the oil case is not risen so much, oil leak is hard to occur.

Description

【発明の詳細な説明】 (産業上の利用分野) この発明は、原子力発電所等において、aWX等の機器
を支持する油圧防振器に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a hydraulic vibration isolator that supports equipment such as aWX in nuclear power plants and the like.

(従来の技術) 一バを介して連通し、油圧低損によりピストンロッドを
制動することにより防振作用を行う形式の油圧防振器が
知られている。この防振器においては、オイルリザーバ
がシリンダの外部に別個に取付けられ、これとシリンダ
とは送油管等により連結されている。
(Prior Art) A hydraulic vibration isolator is known that communicates through a bar and performs vibration isolation by braking a piston rod due to low hydraulic loss. In this vibration isolator, an oil reservoir is separately attached to the outside of the cylinder, and the oil reservoir is connected to the cylinder by an oil pipe or the like.

(発明が解決しようとする問題点) 上記従来の防振器にあっては、ピストンの移動により、
シリンダ内の油圧が変化するため、ピストンロッドの摺
動部等のシール部から油もれが生じ易く、油の補給等の
ためのひんばんな保守点検を要するという問題点がある
。本発明はこのよう′な問題点を解決しようとするもの
である。
(Problems to be Solved by the Invention) In the above-mentioned conventional vibration isolator, due to the movement of the piston,
Since the oil pressure inside the cylinder changes, oil tends to leak from seal parts such as the sliding parts of the piston rod, and there is a problem in that frequent maintenance and inspections are required to replenish the oil. The present invention aims to solve these problems.

1間1点を解決するための手段) この発明においては、上記問題点を解決するため、引手
3を備える油ケース1内に、シリンダ7を固定して、こ
のシリンダ7を油θ中に沈め、シリンダ7の両側には夫
々油通路11 、14を形成してこれらにポペット弁1
2 、15を介設し、引手18をII!#りるピストン
ロッド17.I−シ115ゲー閲λμm0との摺動部を
油中に沈め、シリンダー喘ふた10のピストンロッド貫
通孔10aの内周には金属製の内張りリング13を嵌め
た。
In the present invention, in order to solve the above problem, a cylinder 7 is fixed in an oil case 1 provided with a handle 3, and this cylinder 7 is submerged in oil θ. , oil passages 11 and 14 are formed on both sides of the cylinder 7, and a poppet valve 1 is connected to these passages.
2, 15 is interposed, and the handle 18 is II! #Ruru piston rod 17. The sliding part between the I-shi 115 and the gauge λμm0 was submerged in oil, and a metal lining ring 13 was fitted to the inner periphery of the piston rod through hole 10a of the cylinder pant lid 10.

(作  用) 油ケース1またはピストンロッド17の引手3゜18を
夫々配管系またはW染物に連結した場合において、配管
系とJF[物との間に熱膨張等による緩慢な変位が生じ
ると、ピストンロッド17がシリンダ7に対してゆっく
りと出入りし、シリンダ7内の油は油通路11 、14
のポペット弁12 、15を介して油ケース1へと出入
りし、変位を妨げない。
(Function) When the oil case 1 or the handle 3°18 of the piston rod 17 is connected to the piping system or W dyed material, respectively, if a slow displacement occurs between the piping system and the JF [material] due to thermal expansion, etc. The piston rod 17 slowly moves in and out of the cylinder 7, and the oil in the cylinder 7 flows through the oil passages 11 and 14.
The oil enters and exits the oil case 1 through the poppet valves 12 and 15, and its displacement is not hindered.

これに対して地震等により、配管系と構築物との間に急
激な変位が生じ、ピストンロッド17が急激に出入り動
すると、油通路11 、14を通る油量が急増し、ポペ
ット弁12 、15が閉じて油の流れを阻止する。これ
により防振作用を行う。シリンダ7は、油ケース1内の
油中に沈められているので、高いシール性を要求されな
い。従ってシリンダ7とピストンロッド17との摺動部
のシール材は金M製の内張りリング13でよく、これは
メンテナンスフリーである。油ケース1は、シリンダ7
程油圧が高まらないからシール部から油もれが生じにく
い。
On the other hand, when sudden displacement occurs between the piping system and the structure due to an earthquake or the like, and the piston rod 17 rapidly moves in and out, the amount of oil passing through the oil passages 11 and 14 increases rapidly, and the poppet valves 12 and 15 closes and prevents oil flow. This provides an anti-vibration effect. Since the cylinder 7 is submerged in the oil in the oil case 1, high sealing performance is not required. Therefore, the sealing material for the sliding portion between the cylinder 7 and the piston rod 17 may be the inner ring 13 made of M gold, which is maintenance-free. Oil case 1 is cylinder 7
Since the oil pressure does not increase as much, oil leakage from the seal part is less likely to occur.

(実 施 例) 円筒状の油ケース1は、−喘ふた2の外側に引手3を有
し、この引手3を介して配管系または構築物に連結され
る。油ケースの一端ふた4は、環状板48と、これにボ
ルト5により取付けられた軸受4bとから成り、軸受4
bの内周にはゴム製の0リング6が嵌込まれている。
(Example) A cylindrical oil case 1 has a handle 3 on the outside of a pane lid 2, and is connected to a piping system or a structure via the handle 3. The lid 4 at one end of the oil case consists of an annular plate 48 and a bearing 4b attached to the annular plate 48 with a bolt 5.
A rubber O-ring 6 is fitted into the inner periphery of b.

シリンダ7は、筒状体8と、この筒状体8を油ケースの
一端ふた4との間でタイロッド9により締付は固定する
他端ふた10とから成る。シリンダのふた10には、シ
リンダ内外に通じる油通路11が形成され、これにポペ
ット弁12が取付けられている。ふた10のピストンロ
ッド貫通孔10a内周には、金11製の内張りリング1
3が嵌め込まれている。シリンダ7のふた4は、油ケー
ス1のふた2と共通で、このふたに設けられた油通路1
4により、シリンダ7は内外に通じている。油通路14
にはポペット弁15が取付けられている。油ケース1内
にはシリンダ7が浸されるまで油0が入れられている。
The cylinder 7 consists of a cylindrical body 8 and a lid 10 at the other end of the oil case, which is tightened and fixed between the cylindrical body 8 and the lid 4 at one end of the oil case by a tie rod 9. An oil passage 11 communicating with the inside and outside of the cylinder is formed in the lid 10 of the cylinder, and a poppet valve 12 is attached to this oil passage 11. On the inner periphery of the piston rod through hole 10a of the lid 10, there is a lining ring 1 made of gold 11.
3 is inserted. The lid 4 of the cylinder 7 is common to the lid 2 of the oil case 1, and has an oil passage 1 provided in this lid.
4, the cylinder 7 communicates with the inside and outside. Oil passage 14
A poppet valve 15 is attached to the. Oil 0 is placed in the oil case 1 until the cylinder 7 is submerged.

シリンダ7内にはピストン16が挿入され、それのピス
トンロッド17は、シリンダ7のふた10および油ケー
ス1のふた4を摺動自在に貫通している。ピストンロッ
ド17は、外側端に引手18を有し、これを介して構築
物または配管系へ連結される。19はピストンロッド1
7に取付けられたカッマーである。
A piston 16 is inserted into the cylinder 7, and a piston rod 17 of the piston 16 slidably passes through the lid 10 of the cylinder 7 and the lid 4 of the oil case 1. The piston rod 17 has a pull 18 at its outer end via which it is connected to a construction or piping system. 19 is piston rod 1
This is a cummer attached to 7.

しかして、この油圧防振器を、図示の如くピストンロッ
ド18を上向きにして縦方向に設置して用いる場合には
、油もれをほとんど完全に防止することができる。また
、この油圧防振器を傾斜させ、あるいは水平に使用する
場合においては、油0が油ケース1とピストンロッド1
7どの摺動部に達するが、この場合でも、油ケース1内
の油圧はさほど高まらないから、ゴム製Oリング6が多
少劣化しても油もれが生じにくい。従って、0リング6
の取替えひん度を減することができる。
Therefore, when this hydraulic vibration isolator is installed vertically with the piston rod 18 facing upward as shown in the figure, oil leakage can be almost completely prevented. In addition, when this hydraulic vibration isolator is used tilted or horizontally, oil 0 is oil case 1 and piston rod 1.
7, which sliding part is reached, but even in this case, the oil pressure inside the oil case 1 does not increase so much, so even if the rubber O-ring 6 deteriorates to some extent, oil leakage is unlikely to occur. Therefore, 0 ring 6
The replacement frequency can be reduced.

(発明の効果) この発明においては、シリンダ7が油ケース1内の油θ
中に沈められているので、シリンダ7のふた10とピス
トンロッド17どの摺t1部の厳密なそのため、 シールを必要としなし〜か8Xロッド貫通孔10aのシ
ール材として金属製の内張りリング13を用いることが
でき、シール部材の保守点検を省略することができる。
(Effects of the Invention) In this invention, the cylinder 7 has the oil θ in the oil case 1.
Since the lid 10 of the cylinder 7 and the piston rod 17 are submerged inside, there is no need for a seal due to the strict sliding contact between the lid 10 of the cylinder 7 and the piston rod 17.A metal lining ring 13 is used as a sealing material for the 8X rod through hole 10a. Therefore, maintenance and inspection of the seal member can be omitted.

ふた4とピストンロッド17との摺動部においては、油
ケース1内の油圧がさほど高くならないので、油もれが
生じにくい、等の効果を有する。
At the sliding portion between the lid 4 and the piston rod 17, the oil pressure in the oil case 1 does not become very high, so there is an effect that oil leakage is less likely to occur.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発朗の一実施例を示す断面図である。 1・・・・油ケース、2・・・・ふた、3・・・・引手
、4・・・・ふた、7・・・・シリンダ、10・・・・
ふた、11・・・・油通路、12・・・・ポペット弁、
13・・・・金属製内張りリング、14・・・・油通路
、15・・・・ポペット弁116・・・・ピストン、1
7・・・・ピストンロッド、18・・・・引手、O・・
・・油。
The drawing is a sectional view showing one embodiment of the present invention. 1...oil case, 2...lid, 3...handle, 4...lid, 7...cylinder, 10...
Lid, 11...oil passage, 12...poppet valve,
13...Metal lining ring, 14...Oil passage, 15...Poppet valve 116...Piston, 1
7... Piston rod, 18... Pull, O...
··oil.

Claims (1)

【特許請求の範囲】[Claims] 一端ふたの外側に引手を備え密閉された油ケースと、油
ケース内の油中に沈むように油ケース内に固定され両側
部に夫々ポペット弁を介して油ケースに通じる油通路を
有するシリンダと、シリンダ内に挿入されたピストンと
、シリンダの一端ふたおよび油ケースの他端ふたを摺動
自在に貫通し外方端に引手を備えたピストンロッドと、
シリンダのピストンロッド貫通孔内周に嵌合された金属
製の内張りリングとを具備した油圧防振器。
a sealed oil case with a handle on the outside of the lid at one end; a cylinder fixed in the oil case so as to be submerged in the oil in the oil case and having oil passages communicating with the oil case via poppet valves on both sides; a piston inserted into a cylinder; a piston rod that slidably passes through a lid at one end of the cylinder and a lid at the other end of the oil case and is provided with a handle at an outer end;
A hydraulic vibration isolator comprising a metal lining ring fitted to the inner periphery of a piston rod through hole of a cylinder.
JP3769285A 1985-02-28 1985-02-28 Hydraulic vibration preventing device Pending JPS61197830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3769285A JPS61197830A (en) 1985-02-28 1985-02-28 Hydraulic vibration preventing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3769285A JPS61197830A (en) 1985-02-28 1985-02-28 Hydraulic vibration preventing device

Publications (1)

Publication Number Publication Date
JPS61197830A true JPS61197830A (en) 1986-09-02

Family

ID=12504610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3769285A Pending JPS61197830A (en) 1985-02-28 1985-02-28 Hydraulic vibration preventing device

Country Status (1)

Country Link
JP (1) JPS61197830A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108744796A (en) * 2018-05-31 2018-11-06 安徽中疆环境科技有限公司 A kind of air improvement fog gun vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932541U (en) * 1972-06-20 1974-03-22
JPS5550347B2 (en) * 1975-10-28 1980-12-17
JPS5922384B2 (en) * 1972-11-21 1984-05-26 アブコ コ−ポレ−シヨン Optical cavity structure for laser

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932541U (en) * 1972-06-20 1974-03-22
JPS5922384B2 (en) * 1972-11-21 1984-05-26 アブコ コ−ポレ−シヨン Optical cavity structure for laser
JPS5550347B2 (en) * 1975-10-28 1980-12-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108744796A (en) * 2018-05-31 2018-11-06 安徽中疆环境科技有限公司 A kind of air improvement fog gun vehicle
CN108744796B (en) * 2018-05-31 2021-04-06 安徽中疆环境科技有限公司 Fog gun vehicle is administered to atmosphere

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