JP3400137B2 - Pressure test jig and pressure test method using the same - Google Patents
Pressure test jig and pressure test method using the sameInfo
- Publication number
- JP3400137B2 JP3400137B2 JP23090994A JP23090994A JP3400137B2 JP 3400137 B2 JP3400137 B2 JP 3400137B2 JP 23090994 A JP23090994 A JP 23090994A JP 23090994 A JP23090994 A JP 23090994A JP 3400137 B2 JP3400137 B2 JP 3400137B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- sealing material
- attached
- resistant container
- resistance test
- 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.)
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- Lift Valve (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、水圧試験等の各種耐圧
試験に用いられる治具に係わり、特に、円筒胴に設けら
れた管台等に取り付けられる各種耐圧試験用治具の改良
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig used for various pressure resistance tests such as a water pressure test, and more particularly to improvement of various pressure resistance test jigs attached to a nozzle or the like provided on a cylindrical body.
【０００２】[0002]
【従来の技術】一般に、発電所で使用される溶接構造の
各種容器では、溶接部及び容器全体が十分な強度を有す
ることを確認するため、各種の非破壊検査の他に水圧試
験等に代表される耐圧試験を実施することが義務づけら
れている。2. Description of the Related Art In general, in various containers with a welded structure used in power stations, in order to confirm that the welded part and the entire container have sufficient strength, various non-destructive inspections, as well as water pressure tests, etc. It is compulsory to carry out the pressure resistance test.
【０００３】図８に、耐圧試験に用いられる被耐圧容器
の部分断面図を示し、図９に、被耐圧容器に耐圧試験を
行なうためのシステム構成図を示す。図８に示すよう
に、被耐圧容器１の一部である管台２の解放部には、耐
圧試験用治具である円板状の閉止用部材３を固定する。FIG. 8 shows a partial cross-sectional view of a pressure-resistant container used for a pressure resistance test, and FIG. 9 shows a system configuration diagram for performing a pressure resistance test on the pressure resistance container. As shown in FIG. 8, a disc-shaped closing member 3 which is a jig for pressure resistance test is fixed to the open portion of the nozzle 2 which is a part of the pressure-resistant container 1.
【０００４】この閉止用部材３の被耐圧容器１への固定
方法は、耐圧試験の試験圧力に耐え、試験流体を漏洩さ
せることなく、かつ、閉止用部材３が内部圧力によって
飛散しないように被耐圧容器１に溶接によって強固に固
定することにより行なわれ、耐圧試験時の試験流体が被
耐圧容器１の内部に密封できるようにする。The method of fixing the closing member 3 to the pressure-resistant container 1 is to withstand the test pressure of the pressure resistance test, to prevent leakage of the test fluid, and to prevent the closing member 3 from scattering due to the internal pressure. It is performed by firmly fixing it to the pressure-resistant container 1 by welding so that the test fluid at the time of the pressure resistance test can be sealed inside the pressure-resistant container 1.
【０００５】次に、この被耐圧容器１に対して行なわれ
る耐圧試験を図９を参照して説明する。まず、注入装置
４によって被耐圧容器１に試験流体を流入される。Next, a pressure resistance test performed on the pressure-resistant container 1 will be described with reference to FIG. First, a test fluid is caused to flow into the pressure-resistant container 1 by the injection device 4.
【０００６】そして、被耐圧容器１の管台２等に代表さ
れる開放部に閉止用部材３を固定し、被耐圧容器１を密
封する。被耐圧容器１に密封された試験流体は、ポンプ
等の加圧装置５で規定の圧力まで昇圧される。Then, the closing member 3 is fixed to the open portion of the pressure-resistant container 1 represented by the nozzle 2 or the like, and the pressure-resistant container 1 is sealed. The test fluid sealed in the pressure-resistant container 1 is pressurized to a prescribed pressure by a pressurizing device 5 such as a pump.
【０００７】次に、この昇圧され試験流体の圧力を圧力
計６でで確認し、所定時間保持した後、内圧の効果の有
無、被耐圧容器１の溶接部からの漏洩および被耐圧容器
１の異常変形のないことを目視あるいは試験液を使用し
て検査・確認するものである。Next, after confirming the pressure of the pressure-increased test fluid with the pressure gauge 6 and holding it for a predetermined time, the presence or absence of the effect of the internal pressure, leakage from the welded portion of the pressure-resistant container 1 and the pressure-resistant container 1 are detected. It is an inspection / confirmation that there is no abnormal deformation visually or by using a test solution.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、上述の
耐圧試験用治具には、以下に示す課題がある。
（１） 耐圧試験用治具である閉止用部材３を、被耐圧
容器１の内部圧力によって飛散しないように被耐圧容器
１の開放部である多数の管台２に溶接にて強固に固着す
る必要がある。However, the above-mentioned jig for pressure resistance test has the following problems. (1) The closing member 3, which is a pressure-resistant test jig, is firmly fixed by welding to a large number of nozzles 2 that are open portions of the pressure-resistant container 1 so as not to be scattered by the internal pressure of the pressure-resistant container 1. There is a need.
【０００９】（２） 耐圧試験完了後、閉止用部材３は
被耐圧容器１の管台２より切断取り外されるので、管台
２の先端部は配管等に接続するための所定の溶接開先形
状に仕上げる必要がある。(2) Since the closing member 3 is cut and removed from the nozzle 2 of the pressure-resistant container 1 after the pressure resistance test is completed, the tip of the nozzle 2 has a predetermined welding groove shape for connecting to a pipe or the like. Need to be finished.
【００１０】（３） 閉止用部材３の切断・取り外しの
際には、被耐圧容器１内部に切断の際の切り子、溶断の
際ののろ等の混入物が被耐圧容器１内部に入り込まない
ように注意する必要がある。(3) When the closing member 3 is cut or removed, contaminants such as facets at the time of cutting and a ladle at the time of fusing do not enter the inside of the container 1 to be pressure-resistant. You need to be careful.
【００１１】万一、この混入物が被耐圧容器１の内部に
混入した場合、例えば、発電所内部において流体のルー
プを構成する配管及びポンプを損傷する必要があるから
である。In the unlikely event that this contaminant enters the pressure-resistant container 1, for example, it is necessary to damage the piping and pump forming the fluid loop inside the power plant.
【００１２】（４） 管台２より切断されて、取り外さ
れた閉止用部材３は、再利用することができず、廃却し
なければならない。特に、管台２等に代表される開放部
がある場合には、管台の数量分だけ閉止用部材３を準備
する必要を生じ、この閉止用部材３は、耐圧試験終了後
廃棄しなければならなかった。(4) The closing member 3 which has been cut from the nozzle 2 and removed has to be discarded because it cannot be reused. In particular, when there is an open portion typified by the nozzle stub 2 and the like, it is necessary to prepare as many closing members 3 as the number of nozzles, and the closing members 3 must be discarded after the pressure resistance test is completed. did not become.
【００１３】本発明は、上記実情に鑑みてなされたもの
であり、被耐圧試験用容器の管台等ような略円筒状の開
放部に溶接によらずに強固に固定することができ、しか
も同一内径の管台に対して再利用することが可能な耐圧
試験用治具を提供することを目的とする。The present invention has been made in view of the above circumstances, and can be firmly fixed to a substantially cylindrical open portion such as a nozzle of a container for pressure-resistant test without welding, and An object of the present invention is to provide a pressure resistance test jig that can be reused for a nozzle having the same inner diameter.
【００１４】[0014]
【課題を解決するための手段】上記目的を達成するため
に、まず、本発明の第１の発明は、被耐圧容器に設けら
れた略円筒状の開放部の内周側を第１のシール材によっ
てシールする閉止用部材と、前記閉止用部材を貫通して
取り付けられ前記閉止用部材に作用する力が伝達される
圧力支持手段と、前記閉止用部材と前記圧力支持手段と
の間隙をシールする第２のシール材とを備え、前記閉止
用部材は、一体的に構成されていることを特徴とする耐
圧試験用治具、である。 また、本発明の第２の発明は、
被耐圧容器に設けられた略円筒状の開放部の内周側を密
閉するシール材を含む閉止用部材と、前記閉止用部材に
作用する圧力に伴う力が前記閉止用部材から伝達される
圧力支持手段とを備える耐圧試験用治具を用いた耐圧試
験方法において、前記被耐圧容器の内部側に圧力支持手
段を取り付け、次に前記閉止用部材を前記開放部の所定
の位置に位置決めし、その後前記閉止用部材の前記シー
ル材によって前記開放部を密閉してから前記被耐圧容器
を加圧することを特徴とする耐圧試験方法、である。 さ
らに、本発明の第３の発明は、被耐圧容器に設けられた
略円筒状の開放部の内周側を第１のシール材によってシ
ールする閉止用部材と、前記閉止用部材を貫通して取り
付けられ前記閉止用部材に作用する力が伝達される圧力
支持手段と、前記閉止用部材と前記圧力支持手段との間
隙をシールする第２のシール材とを備える耐圧試験用治
具を用いた耐圧試験方法において、前記被耐圧容器の内
部側に圧力支持手段を取り付け、次に前記閉止用部材を
前記開放部の所定の位置に位置決めし、その後前記第１
のシール材および第２のシール材によって前記開放部を
密閉してから前記被耐圧容器を加圧することを特徴とす
る耐圧試験方法、である。さらに、本発明の第４の発明
は、被耐圧容器に設けられた略円筒状の開放部に取り付
けられ、前記被耐圧容器を密閉してその各種耐圧試験に
用いられる治具において、前記略円筒状の開放部の中心
部に、前記開放部を連通するように配置された中心ボル
トと、 前記中心ボルトのねじ部の頭部側に配置され、前
記中心ボルトの位置を決めるナットと、前記中心ボルト
を貫通させる貫通穴を略中心に有するとともに、前記開
放部の内径よりも短い外径を有し、前記中心ボルトのね
じ部の中心部付近に配置されたシール材押さえ部材と、
前記中心ボルトを貫通させる貫通穴を略中心に有すると
共に、前記開放部の内径よりも短かい外径を有し、前記
中心ボルトのねじ部の中心部付近であって、且つ前記シ
ール材押さえ部材の位置よりも前記中心ボルトの先端部
方向側に配置されたシール材ホルダーと、前記シール材
ホルダーの内周側に配置され、前記シール材押さえ部材
により押さえつけられて前記中心ボルトと前記シール材
ホルダーとの間をシールする環状の内周シール材と、前
記シール材ホルダーの外周側に配置され、前記シール材
押さえ部材により押さえつけられて前記開放部と前記シ
ール材ホルダーとの間をシールする環状の外周シール材
と、前記シール材押さえ部材上であって且つ前記中心ボ
ルトを中心した円周上に所定間隔を存して配置され、前
記シール材押さえ部材に遊挿されるとともに、前記シー
ル材ホルダーに固定され、前記シール材押さえ部材を前
記内周シール材及び前記外周シール材にそれぞれ押さえ
つける押さえ部材と、前記中心ボルトの先端部に取り付
けられ、前記開放部の開放端断面積よりも大きな断面積
を有し、耐圧試験時に前記被耐圧容器の開放部における
内部側開放端に取り付けられるフックと、を備えたこと
を特徴とする耐圧試験用治具、である。さらに、本発明
の第５の発明によれば、被耐圧容器に設けられた略円筒
状の開放部に取り付けられ、前記被耐圧容器を密閉して
その各種耐圧試験に用いられる治具において、前記略円
筒状の開放部の中心部に、前記開放部を連通するように
配置された中心ボルトと、前記中心ボルトのねじ部の頭
部側に配置され、前記中心ボルトの位置を決めるナ ット
と、前記中心ボルトを貫通させる貫通穴を略中心に有す
るとともに、前記開放部の内径よりも短い外径を有し、
前記中心ボルトのねじ部の中心部付近に配置されたシー
ル材押さえ部材と、前記中心ボルトを貫通させる貫通穴
を略中心に有すると共に、前記開放部の内径よりも短か
い外径を有し、前記中心ボルトのねじ部の中心部付近で
あって、且つ前記シール材押さえ部材の位置よりも前記
中心ボルトの先端部方向側に配置されたシール材ホルダ
ーと、前記シール材ホルダーの内周側に配置され、前記
シール材押さえ部材により押さえつけられて前記中心ボ
ルトと前記シール材ホルダーとの間をシールする環状の
内周シール材と、前記シール材ホルダーの外周側に配置
され、前記シール材押さえ部材により押さえつけられて
前記開放部と前記シール材ホルダーとの間をシールする
環状の外周シール材と、前記シール材押さえ部材上であ
って且つ前記中心ボルトを中心した円周上に所定間隔を
存して配置され、前記シール材押さえ部材に遊挿される
とともに、前記シール材ホルダーに固定され、前記シー
ル材押さえ部材を前記内周シール材及び前記外周シール
材にそれぞれ押さえつける押さえ部材と、前記中心ボル
トの先端部に一端側が回転自在に取り付けられたリンク
と、前記リンクの他端側に回動自在に取り付けられると
共に、前記開放部の開放端断面積よりも大きな断面積を
有し、耐圧試験時に前記被耐圧容器の開放部における内
部側開放端に取り付けられるフックと、を備えたことを
特徴とする耐圧試験用治具、である。さらに、本発明の
第６の発明によれば、被耐圧容器に設けられた略円筒状
の開放部に取り付けられ、前記被耐圧容器を密閉してそ
の各種耐圧試験に用いられる治具において、前記略円筒
状の開放部の中心部に、前記開放部を連通するように配
置された中心ボルトと、前記中心ボルトのねじ部の頭部
側に配置され、前記中心ボルトの位置を決めるナ ット
と、前記中心ボルトを貫通させる貫通穴を略中心に有す
るとともに、前記開放部の内径よりも短い外径を有し、
前記中心ボルトのねじ部の中心部付近に配置されたシー
ル材押さえ部材と、前記中心ボルトを貫通させる貫通穴
を略中心に有すると共に、前記開放部の内径よりも短か
い外径を有し、前記中心ボルトのねじ部の中心部付近で
あって、且つ前記シール材押さえ部材の位置よりも前記
中心ボルトの先端部方向側に配置されたシール材ホルダ
ーと、前記シール材ホルダーの内周側に配置され、前記
シール材押さえ部材により押さえつけられて前記中心ボ
ルトと前記シール材ホルダーとの間をシールする環状の
内周シール材と、前記シール材ホルダーの外周側に配置
され、前記シール材押さえ部材により押さえつけられて
前記開放部と前記シール材ホルダーとの間をシールする
環状の外周シール材と、前記シール材押さえ部材上であ
って且つ前記中心ボルトを中心した円周上に所定間隔を
存して配置され、前記シール材押さえ部材に遊挿される
とともに、前記シール材ホルダーに固定され、前記シー
ル材押さえ部材を前記内周シール材及び前記外周シール
材にそれぞれ押さえつける押さえ部材と、前記シール材
ホルダーの前記中心ボルト先端部側側面に一端側が取り
付けられた弾性体取り付け部と、前記弾性体取り付け部
に一端側が取り付けられた弾性体と、前記弾性体の他端
側に取り付けられ、耐圧試験時に前記被耐圧容器の開放
部における内部側開放端に取り付けられる第１のフック
部と、前記第１のフック部に一端側が回転自在に支持さ
れ、耐圧試験時に前記被耐圧容器の開放部における内部
側の開放端に取り付けられる第２のフック部と、前記中
心ボルトの先端部に取り付けられると共に、その外径が
開放部の内径よりも短い長さを有し、前記第１フック部
及び前記第２フック部を収納するフックカバーと、を備
えたことを特徴とする耐圧試験用治具、である。 In order to achieve the above object, first of all, the first invention of the present invention is to provide a pressure-resistant container.
The inner side of the opened substantially cylindrical opening is covered with the first sealing material.
And a closing member that seals with
The force which is attached and acts on the closing member is transmitted.
Pressure support means, the closing member and the pressure support means
And a second sealing material for sealing the gap of
The member for use is characterized by being constructed integrally.
It is a jig for pressure test. The second invention of the present invention is
Close the inner peripheral side of the substantially cylindrical opening on the pressure-resistant container.
A closing member including a sealing material to be closed, and the closing member
The force associated with the acting pressure is transmitted from the closing member.
Pressure resistance test using a pressure resistance test jig equipped with pressure support means
In the test method, a pressure support
Step, and then attach the closing member to the opening part
Position of the closing member, and then the seal of the closing member.
The pressure-resistant container after sealing the open part with a rubber material.
Is a pressure test method. It
In addition, the third invention of the present invention is provided in a pressure-resistant container.
The inner side of the substantially cylindrical opening is sealed by the first sealing material.
And the closing member that
Pressure applied to transmit the force applied to the closing member
Between a support means, the closing member and the pressure support means
A pressure resistance test jig including a second sealing material for sealing a gap.
In a pressure resistance test method using a tool,
The pressure supporting means is attached to the section side, and then the closing member is attached.
The opening is positioned at a predetermined position, and then the first
And the second sealing material
The pressure-resistant container is pressurized after being hermetically sealed.
Pressure resistance test method . Furthermore, the fourth invention of the present invention
Is attached to a substantially cylindrical open part provided in the pressure-resistant container.
The pressure-resistant container is hermetically sealed for various pressure resistance tests.
In the jig used, the center of the substantially cylindrical opening
To the central part, which is arranged so as to communicate with the open part.
And the head part of the screw part of the center bolt,
The nut that determines the position of the center bolt and the center bolt
Has a through hole through which the
It has an outer diameter shorter than the inner diameter of the discharge part, and
A seal member pressing member arranged near the center of the stitch portion,
When a through hole through which the central bolt is passed is provided at substantially the center
Both have an outer diameter shorter than the inner diameter of the opening,
Near the center of the threaded portion of the center bolt, and
Of the center bolt from the position of the base material pressing member
Sealing material holder arranged on the direction side and the sealing material
The seal member pressing member is arranged on the inner peripheral side of the holder.
Pressed down by the central bolt and the sealing material
An annular inner peripheral sealing material that seals between the holder and the front
The seal material is arranged on the outer peripheral side of the seal material holder.
It is pressed down by the pressing member and
Ring-shaped outer peripheral sealing material that seals with the tool holder
On the seal member pressing member and the central
It is placed with a certain interval on the circumference centered around
The seal member pressing member is loosely inserted and
Fixed to the holder for the seal material, and
Pressed on the inner and outer seals respectively.
Attached to the pressing member to be attached and the tip of the center bolt
The cross-sectional area is larger than the open end cross-sectional area of the open part.
At the open part of the pressure-resistant container at the time of pressure resistance test.
A hook attached to the inner open end,
Is a jig for pressure resistance test. Furthermore, the present invention
According to a fifth aspect of the invention, a substantially cylindrical member provided in a pressure-resistant container.
It is attached to the open part and seals the pressure-resistant container.
In the jigs used for various pressure resistance tests,
Connect the open part to the center of the cylindrical open part.
Center bolts placed and the head of the threaded portion of the center bolt
Arranged section side, nuts determining the position of the center bolt
And has a through hole for passing through the central bolt in the approximate center
And has an outer diameter shorter than the inner diameter of the opening,
A seat arranged near the center of the threaded portion of the center bolt.
And a through hole through which the central bolt penetrates
Is at the center and is shorter than the inner diameter of the opening.
Has a large outer diameter and is located near the center of the threaded portion of the center bolt.
And there is more than the position of the sealing material pressing member
Seal material holder located on the tip side of the center bolt
And an inner peripheral side of the seal material holder,
The central member is pressed down by the sealing material pressing member.
Of a ring that seals between the seal and the seal holder.
Placed on the inner circumference seal material and on the outer circumference side of the seal material holder
Is pressed by the sealing material pressing member
Seal between the opening and the seal holder
The ring-shaped outer peripheral seal member and the seal member pressing member
And a predetermined interval on the circumference of the center bolt.
Existing, and is loosely inserted into the seal member pressing member.
At the same time, it is fixed to the sealing material holder and
The inner peripheral sealing material and the outer peripheral sealing
The pressing member that presses against the material and the central
Link with one end rotatably attached to the tip of the
And when it is rotatably attached to the other end of the link
In both cases, a cross-sectional area larger than the open end cross-sectional area of the open part
The inside of the open part of the pressure-resistant container at the time of pressure resistance test.
And a hook that can be attached to the open end
A characteristic jig for pressure resistance test. Furthermore, according to the invention
According to the sixth invention, a substantially cylindrical shape provided in the pressure-resistant container
Attached to the open part of the
In the jig used for various pressure resistance tests of
The open part is placed in the center of the open part so that the open part communicates.
Placed center bolt and the head of the screw part of the center bolt
Arranged on the side, nuts determining the position of the center bolt
And has a through hole for passing through the central bolt in the approximate center
And has an outer diameter shorter than the inner diameter of the opening,
A seat arranged near the center of the threaded portion of the center bolt.
And a through hole through which the central bolt penetrates
Is at the center and is shorter than the inner diameter of the opening.
Has a large outer diameter and is located near the center of the threaded portion of the center bolt.
And there is more than the position of the sealing material pressing member
Seal material holder located on the tip side of the center bolt
And an inner peripheral side of the seal material holder,
The central member is pressed down by the sealing material pressing member.
Of a ring that seals between the seal and the seal holder.
Placed on the inner circumference seal material and on the outer circumference side of the seal material holder
Is pressed by the sealing material pressing member
Seal between the opening and the seal holder
The ring-shaped outer peripheral seal member and the seal member pressing member
And a predetermined interval on the circumference of the center bolt.
Existing, and is loosely inserted into the seal member pressing member.
At the same time, it is fixed to the sealing material holder and
The inner peripheral sealing material and the outer peripheral sealing
Pressing member that presses against each material, and the sealing material
Place one end on the side of the center bolt tip of the holder.
Attached elastic body attachment portion and the elastic body attachment portion
An elastic body having one end attached to the other end of the elastic body
It is attached to the side and opens the pressure-resistant container at the time of pressure resistance test.
Hook attached to the inner open end of the section
Part, and one end side is rotatably supported by the first hook part.
The inside of the open part of the pressure-resistant container during a pressure test.
A second hook portion attached to the open end of the side,
It is attached to the tip of the core bolt and its outer diameter
The first hook portion has a length shorter than the inner diameter of the opening portion.
And a hook cover for accommodating the second hook portion.
A jig for pressure resistance test, which is characterized by the above.
【００１５】[0015]
【００１６】[0016]
【００１７】[0017]
【００１８】[0018]
【作用】第１の発明によれば、圧力支持手段が閉止用部
材を貫通して取り付けられているため、圧力支持手段の
取り付けを閉止用部材の外側から行うことができる。ま
た、圧力支持手段の貫通部における閉止用部材と圧力支
持手段の間隙についてもシールを行っているため、十分
に閉止することができる。第２の発明によれば、被耐圧
容器の開放部を閉止する際に、溶接などを行う必要が無
いため、耐圧試験を確実かつ効率よく行うことができ
る。第３の発明によれば、閉止用部材に取り付けられた
圧力支持部材の被耐圧容器への取り付け調整が閉止用部
材の外側から行うことができるため、耐圧試験を確実か
つ効率よく行うことができる。第４の発明によれば、耐
圧試験時に、被耐圧試験用容器に設けられた管台等に代
表される略円筒状の開放部の内部側にフックを取り付け
た耐圧試験用治具を用いるので、耐圧試験用治具が飛散
することなく、被耐圧試験用容器に強固に固定すること
ができる。According to the first aspect of the present invention, since the pressure supporting means is attached through the closing member, the pressure supporting means can be attached from the outside of the closing member. Further, since the gap between the closing member and the pressure supporting means in the penetrating portion of the pressure supporting means is also sealed, it can be closed sufficiently. According to the second aspect of the present invention, it is not necessary to perform welding or the like when closing the open portion of the pressure-resistant container, so that the pressure resistance test can be performed reliably and efficiently. According to the third aspect of the invention, since the mounting adjustment of the pressure support member attached to the closing member to the pressure-resistant container can be performed from the outside of the closing member, the pressure resistance test can be performed reliably and efficiently. . According to the fourth invention, during the pressure resistance test, the pressure resistance test jig is used in which a hook is attached to the inside of a substantially cylindrical open portion typified by a nozzle or the like provided in a container for pressure resistance test. The jig for pressure resistance test can be firmly fixed to the container for pressure resistance test without scattering.
【００１９】[0019]
【００２０】第５の発明によれば、中心ボルトの先端部
に、リンクを介して回転自在に取り付けられたフックの
傾きを変えることによって、開放部の開放端断面積に対
するフックの断面積を小さくすることができるので、耐
圧試験用治具を開放部から容易に取り外すことができ
る。According to the fifth aspect of the invention, by changing the inclination of the hook rotatably attached to the tip of the central bolt through the link, the cross-sectional area of the hook with respect to the cross-sectional area of the open end of the open portion can be reduced. Therefore, the pressure resistance test jig can be easily removed from the open portion.
【００２１】第６の発明によれば、中心ボルトの先端部
に取り付けられたフックカバーに、第１フック部及び第
２フック部で構成されるフック部を弾性体を利用するこ
とによって、折り畳んで収納するので、被耐圧試験用容
器の開放部に対して容易に着脱することができる。According to the sixth aspect of the present invention, the hook cover, which is attached to the tip of the central bolt, is formed by folding the hook portion formed of the first hook portion and the second hook portion by using the elastic body. Since it is housed, it can be easily attached to and detached from the open part of the container for pressure resistance test.
【００２２】[0022]
【実施例】以下、図面を参照して本発明の実施例につい
て説明する。
＜第１の実施例＞図１（ａ）及び図１（ｂ）に、本発明
の第１の実施例に係る耐圧試験用治具の断面図を示し、
図２に、同第１の実施例における耐圧試験用治具の上面
図を示す。Embodiments of the present invention will be described below with reference to the drawings. <First Embodiment> FIGS. 1A and 1B are sectional views showing a withstand voltage test jig according to a first embodiment of the present invention.
FIG. 2 shows a top view of the withstand voltage test jig in the first embodiment.
【００２３】図１（ａ）は、耐圧試験用治具を被耐圧容
器１に取り付けた状態を示し、図１（ｂ）は、耐圧試験
用治具を被耐圧容器１に締め付けた状態を示す。なお、
図７と同一部分には、同一符号を付して説明する。FIG. 1 (a) shows a state in which a pressure-proof test jig is attached to the pressure-resistant container 1, and FIG. 1 (b) shows a state in which the pressure-proof test jig is fastened to the pressure-resistant container 1. . In addition,
The same parts as those in FIG. 7 are described with the same reference numerals.
【００２４】図１（ａ）及び図１（ｂ）に示すように、
この耐圧用試験治具１１は、被耐圧容器１の開放部であ
る管台２の内周部に固定することにより、耐圧試験時の
試験流体を被耐圧容器１の内部に密封するように用いら
れる。As shown in FIGS. 1 (a) and 1 (b),
This pressure-resistant test jig 11 is used to seal the test fluid in the pressure-resistant container 1 inside the pressure-resistant container 1 by fixing it to the inner peripheral portion of the nozzle 2 which is the open portion of the pressure-resistant container 1. To be
【００２５】以下、この耐圧試験用治具１１の構成につ
いて説明する。図１（ａ）及び図１（ｂ）に示すよう
に、この耐圧用試験治具１１の中心には中心ボルト１２
が管台２を連通するように配置される。The structure of the withstand voltage test jig 11 will be described below. As shown in FIGS. 1 (a) and 1 (b), the center bolt 12 is provided at the center of the pressure-resistant test jig 11.
Are arranged to communicate with the nozzle 2.
【００２６】この中心ボルト１２のネジ部の頭部側に
は、中心ボルト１２の位置を決めるためのナット１３が
配され、更に、このナット１３の中心ボルト１２先端方
向側には座金１４、スペーサ１５が配置される。A nut 13 for deciding the position of the center bolt 12 is arranged on the head side of the threaded portion of the center bolt 12, and further, a washer 14 and a spacer are provided on the tip side of the center bolt 12 of the nut 13. 15 are arranged.
【００２７】中心ボルト１２のネジ部の中心部付近に
は、中心ボルト１２を貫通させるための貫通穴を中心に
有し、管台２の内径より短かい径を持つシール材押さえ
部材１６が配置されている。A sealing material pressing member 16 having a through hole for penetrating the central bolt 12 and having a diameter shorter than the inner diameter of the nozzle 2 is arranged near the central portion of the threaded portion of the central bolt 12. Has been done.
【００２８】中心ボルト１２のネジ部の中心部付近であ
って、シール材押さえ部材１６の位置より中心ボルト１
２の先端方向側には、中心ボルト１２を貫通させるため
の貫通穴を中心に有し、且つ管台２の内径より短かい径
を持ち、シール材押さえ部材１６と噛み合うような形状
を有するシール材ホルダー１７が配置されている。The center bolt 1 is located near the center of the threaded portion of the center bolt 12 and from the position of the seal member pressing member 16.
A seal having a through hole for allowing the central bolt 12 to pass therethrough and having a diameter shorter than the inner diameter of the nozzle 2 and having a shape that meshes with the seal member pressing member 16 on the distal end side of 2. A material holder 17 is arranged.
【００２９】このシール材ホルダー１７の内周側には、
シール材押さえ部材１６により押さえつけられることに
より中心ボルト１２とシール材ホルダー１７間をシール
する環状の内周シール材１８が配置される。On the inner peripheral side of the seal material holder 17,
An annular inner peripheral seal material 18 that seals between the center bolt 12 and the seal material holder 17 by being pressed by the seal material pressing member 16 is arranged.
【００３０】また、シール材ホルダー１７の外周側に
は、シール材押さえ部材１６により押さえつけられるこ
とにより管台２とシール材ホルダー１７間をシールする
環状の外周シール材１９が配置される。On the outer peripheral side of the seal material holder 17, an annular outer peripheral seal material 19 which is pressed by the seal material pressing member 16 to seal between the nozzle 2 and the seal material holder 17 is arranged.
【００３１】シール材押さえ部材１６上であって、中心
ボルト１２を中心した円周上には、所定間隔を存して押
さえ部材２０が配置される。この押さえ部材２０は、シ
ール材押さえ部材１６に遊挿されるとともに、シール材
ホルダー１７に固定され、シール材押さえ部材１６を内
周シール材１８及び外周シール材１９に押さえつけるも
のである。On the seal member pressing member 16 and on the circumference around the center bolt 12, the pressing members 20 are arranged at a predetermined interval. The pressing member 20 is loosely inserted into the sealing material pressing member 16 and fixed to the sealing material holder 17, and presses the sealing material pressing member 16 against the inner peripheral sealing material 18 and the outer peripheral sealing material 19.
【００３２】中心ボルト１２の先端部には、管台２の開
放端断面積より大きな断面積を有し、耐圧試験時に被耐
圧試験容器１内部側の開放端に取りつけられるフック２
１が設けられる。The center bolt 12 has a cross-sectional area larger than the open end cross-sectional area of the nozzle stub 2 at the tip end thereof, and the hook 2 is attached to the open end on the inner side of the pressure-proof container 1 during the pressure resistance test.
1 is provided.
【００３３】次に、上記のように構成した本発明の第１
の実施例に係る耐圧試験用治具の取り付け方法及び作用
について説明する。予め、被耐圧容器１の内部にフック
２１を挿入し、耐圧試験用治具１１の上部を管台２の所
定の位置近くに取り付ける。Next, the first aspect of the present invention configured as described above
A method and an operation for attaching the pressure resistance test jig according to the embodiment will be described. The hook 21 is inserted into the pressure-resistant container 1 in advance, and the upper portion of the pressure-resistant test jig 11 is attached near the predetermined position of the nozzle 2.
【００３４】次に、中心ボルト１２の先端部にフック２
１を取り付け、中心ボルト１２を回転させることによっ
てフック２１を被耐圧容器１に設けられた管台２の開放
端の内部側に取り付ける。Next, the hook 2 is attached to the tip of the center bolt 12.
1 is attached and the center bolt 12 is rotated to attach the hook 21 to the inside of the open end of the nozzle 2 provided in the pressure-resistant container 1.
【００３５】このようにフック２１を、被耐圧容器１に
設けられた管台２の開放端の内部側に取り付けることに
よって、耐圧試験用治具１１が耐圧試験時に非耐圧容器
１の内圧によって押される力は、シール材ホルダー１
７、シール材押さえ部材１６、スペーサ１５、座金１
４、ナット１３、中心ボルト１２を介してフック２１に
伝達される。By mounting the hook 21 inside the open end of the nozzle 2 provided in the pressure-resistant container 1 in this manner, the pressure-resistant test jig 11 is pushed by the internal pressure of the non-pressure-resistant container 1 during the pressure resistance test. The force applied is the sealing material holder 1
7, seal member pressing member 16, spacer 15, washer 1
4, transmitted to the hook 21 via the nut 13 and the central bolt 12.
【００３６】そして、耐圧試験用治具１１の中心ボルト
１２を固定し、ナット１３を回転させながらシール材押
さえ部材１６を管台２の所定の位置に移動させて、シー
ル材ホルダー１７とシール材押さえ部材１６を締め付け
ることで、シール材ホルダー１７とシール材押さえ部材
１６の間の内周シール材１８及び外周シール材１９を圧
縮し、内周シール材１８で中心ボルト１２シール材ホル
ダー１７の隙間をシールし、外周シール材１９で管台２
とシール材ホルダー１７との隙間をシールする。Then, the center bolt 12 of the pressure resistance test jig 11 is fixed, the nut 13 is rotated, and the seal member pressing member 16 is moved to a predetermined position of the nozzle base 2 to seal the seal member holder 17 and the seal member. By tightening the pressing member 16, the inner peripheral sealing material 18 and the outer peripheral sealing material 19 between the sealing material holder 17 and the sealing material pressing member 16 are compressed, and the inner peripheral sealing material 18 makes a gap between the center bolt 12 and the sealing material holder 17. And seal the outer circumference with the sealing material 19
And the gap between the seal material holder 17 is sealed.
【００３７】また、耐圧試験完了後の耐圧試験用治具１
１の取り外しは、シール材押さえ部材１６を締め付けて
いる押さえ部材２０を緩めることにより、内周シール材
１８と外周シール材１９の圧縮力を緩和し、内周シール
材１８及び外周シール材１９を元の状態に戻す。The withstand voltage test jig 1 after completion of the withstand voltage test
For removal of No. 1, by loosening the pressing member 20 that is tightening the sealing material pressing member 16, the compressive force of the inner peripheral sealing material 18 and the outer peripheral sealing material 19 is relaxed, and the inner peripheral sealing material 18 and the outer peripheral sealing material 19 are removed. Restore the original state.
【００３８】この結果、管台２とシール材ホルダー１７
との間に隙間ができるので、耐圧試験用治具１１の中心
ボルト１２を回転させることにより、中心ボルト１２先
端部に取り付けられたフック２１を容易に取り外すこと
ができる。As a result, the nozzle 2 and the sealing material holder 17
Since a gap is created between the hooks 21 and 23, the hook 21 attached to the tip portion of the center bolt 12 can be easily removed by rotating the center bolt 12 of the jig 11 for pressure resistance test.
【００３９】従って、本発明の第１の実施例に係る耐圧
試験用治具によれば、フック２１が、非耐圧容器１の内
面側で固定されているために、耐圧試験用治具１１が飛
散することなく、非耐圧容器に強固に固定することがで
きる。Therefore, according to the withstand pressure test jig of the first embodiment of the present invention, since the hook 21 is fixed on the inner surface side of the non-withstand pressure container 1, the withstand pressure test jig 11 is provided. It can be firmly fixed to the non-pressure resistant container without scattering.
【００４０】また、耐圧試験用治具１１を管台２の被耐
圧容器１内部側の開放端に溶接によらずに強固に固定す
ることができ、且つ管台２に容易に着脱することができ
る。さらに、溶接によらずに固定することができること
から、耐圧試験用治具の取り外しの際に、切り子、のろ
等の混入物が発生せず、系統を構成する配管及びポンプ
を損傷する心配がない。Further, the pressure-proof test jig 11 can be firmly fixed to the open end of the nozzle 2 inside the pressure-resistant container 1 without welding, and can be easily attached to and detached from the nozzle 2. it can. In addition, since it can be fixed without welding, contaminants such as facets and glues do not occur when removing the pressure resistance test jig, and there is a risk of damaging the piping and pumps that make up the system. Absent.
【００４１】さらに、本発明の耐圧試験用治具１１は、
同一内径の管台等に対して再利用することが可能であ
る。さらに、シール材押さえ部材１６により内周シール
材１８及び外周シール材１９を圧縮することにより、耐
圧試験用治具１１の内部及び耐圧試験用治具１１と管台
２の間隙をシールするので、試験流体を漏洩させること
なく、且つ耐圧試験の試験圧力に耐えることが可能であ
る。
＜第２の実施例＞次に、図３及び図４を参照して本発明
の第２の実施例に係る耐圧試験用治具について説明す
る。Further, the withstand voltage test jig 11 of the present invention is
It is possible to reuse the nozzle with the same inner diameter. Furthermore, by compressing the inner peripheral seal material 18 and the outer peripheral seal material 19 by the seal material pressing member 16, the inside of the pressure test jig 11 and the gap between the pressure test jig 11 and the nozzle 2 are sealed. It is possible to withstand the test pressure of the pressure resistance test without leaking the test fluid. <Second Embodiment> Next, a withstand voltage test jig according to a second embodiment of the present invention will be described with reference to FIGS.
【００４２】図３及び図４に示すように、上述の第１の
実施例との相違は、中心ボルト１２の中心に中心ボルト
１２の頭部から先端部に連通する連通穴３１を設けたこ
とにある。As shown in FIGS. 3 and 4, the difference from the first embodiment is that a communication hole 31 is provided at the center of the center bolt 12 so as to communicate from the head of the center bolt 12 to the tip. It is in.
【００４３】このような構成を採用することによって、
中心ボルト１２に設けられた連通穴３１に試験流体注入
用の配管を接続することができるので、被耐圧容器１内
へ試験流体（例えば、水）の注入が可能になる。By adopting such a configuration,
Since the pipe for injecting the test fluid can be connected to the communication hole 31 provided in the center bolt 12, the test fluid (for example, water) can be injected into the pressure-resistant container 1.
【００４４】また、被耐圧容器１内部の試験流体の加圧
用、除去用として或いは圧力計の取り付けとして従来閉
止用部材に設けていた部分を共用することができる。
＜第３の実施例＞次に、図５及び図６を参照して、本発
明の第３の実施例に係る耐圧試験用治具について説明す
る。Further, it is possible to share the portion conventionally provided in the closing member for pressurizing and removing the test fluid inside the pressure-resistant container 1 or for mounting a pressure gauge. <Third Embodiment> Next, a withstand voltage test jig according to a third embodiment of the present invention will be described with reference to FIGS.
【００４５】図５は、耐圧試験用治具を被耐圧容器１に
取り付けた状態を示し、図６は、耐圧試験用治具を被耐
圧容器１に締め付けた状態を示す。図５及び図６に示す
ように、上述の第１の実施例との相違は、中心ボルト１
２の先端部にリンク４２の一端側を接続し、このリンク
４２の他端側にフック２１を設けることにある。FIG. 5 shows a state in which the pressure-resistant test jig is attached to the pressure-resistant container 1, and FIG. 6 shows a state in which the pressure-resistant test jig is fastened to the pressure-resistant container 1. As shown in FIGS. 5 and 6, the difference from the first embodiment is that the center bolt 1
The other end of the link 42 is provided with the hook 21 by connecting one end of the link 42 to the tip end of the link 42.
【００４６】以下、このリンク機構の構成について説明
する。まず、中心ボルト１２の先端部にリンク支持部４
１を介して回転自在にリンク４２の一端側を取り付け
る。The structure of this link mechanism will be described below. First, the link support 4 is attached to the tip of the center bolt 12.
One end side of the link 42 is rotatably attached via 1.
【００４７】このリンク４２の他端側には、リンク支持
部４３を介して、開放部の開放端断面積より大きな断面
積を有し、耐圧試験時に被耐圧容器１内部側の開放端に
取り付けられるフック２１が回動自在に取り付けられ
る。The other end of the link 42 has a cross-sectional area larger than the open end cross-sectional area of the open part via the link support part 43, and is attached to the open end inside the pressure-resistant container 1 during the pressure resistance test. A hook 21 to be attached is rotatably attached.
【００４８】次に、上記のように構成した本発明の第３
の実施例に係る耐圧試験用治具の取り付け方法及び作用
について説明する。まず、中心ボルト２１の先端側にリ
ンク４２を介して取り付けられているフック２１を、フ
ック２１の管台２に対する断面積が、管台２の内径以下
になるように回転させて管台２に斜めに挿入する。Next, the third aspect of the present invention configured as described above.
A method and an operation for attaching the pressure resistance test jig according to the embodiment will be described. First, the hook 21 attached to the tip end side of the center bolt 21 via the link 42 is rotated so that the cross-sectional area of the hook 21 with respect to the nozzle stub 2 is equal to or less than the inner diameter of the nozzle stub 2. Insert diagonally.
【００４９】以降の、取り付け作業は、上述の第１の実
施例と同様である。また、耐圧試験完了後の耐圧試験用
治具１１の取り外しは、シール材押さえ部材１６を締め
付けている押さえ部材２０を緩めることにより、内周シ
ール材１８と外周シール材１９の圧縮力を緩和し、内周
シール材１８及び外周シール材１９を元の状態に戻す。Subsequent mounting work is the same as in the first embodiment described above. Further, when the pressure resistance test jig 11 is removed after the pressure resistance test is completed, the compressing force of the inner peripheral seal material 18 and the outer peripheral seal material 19 is relaxed by loosening the pressing member 20 that is tightening the seal material pressing member 16. , The inner peripheral sealing material 18 and the outer peripheral sealing material 19 are returned to the original state.
【００５０】この結果、管台２とシール材ホルダー１７
との間に隙間ができるので、中心ボルト１２に挿入され
ているナット１３を回転させて、リンク４２を介して回
転自在に取り付けられたフック２１を斜めにすることに
より、耐圧試験用治具１１を管台２から取り外す。As a result, the nozzle 2 and the seal holder 17
Since there is a gap between and, the nut 13 inserted in the center bolt 12 is rotated, and the hook 21 rotatably attached via the link 42 is slanted. Is removed from the nozzle 2.
【００５１】従って、上述の第１の実施例の効果に加え
て、更に、ナット１３を回転させることによって、中心
ボルト１２の先端部にリンク４２を介して回転自在に取
り付けられたフック２１を傾かせて、管台２の開放部断
面積に対するフック２１の断面積を小さくすることがで
きるので、耐圧試験用治具を管台２から容易に取り外す
ことができる。
＜第４の実施例＞次に、本発明の第４の実施例に係る耐
圧試験用治具について説明する。Therefore, in addition to the effects of the first embodiment described above, by further rotating the nut 13, the hook 21 rotatably attached to the tip of the center bolt 12 via the link 42 is tilted. Since the cross-sectional area of the hook 21 with respect to the cross-sectional area of the open portion of the nozzle 2 can be reduced, the withstand pressure test jig can be easily removed from the nozzle 2. <Fourth Embodiment> Next, a withstand voltage test jig according to a fourth embodiment of the present invention will be described.
【００５２】図７（ａ）は、本発明の第４の実施例に係
る耐圧試験用治具を被耐圧試験用容器に取り付けた状態
を示し、図７（ｂ）は、同実施例における耐圧試験用治
具を被耐圧試験用容器に締め付けた状態を示す。FIG. 7 (a) shows a state in which the withstand voltage test jig according to the fourth embodiment of the present invention is attached to the withstand voltage test container, and FIG. 7 (b) shows the withstand voltage in the same example. The state which clamped the test jig to the container for pressure resistance test is shown.
【００５３】図７（ａ）及び図７（ｂ）に示すように、
本発明の第４の実施例に係る耐圧試験用治具と上述の第
１の実施例との相違は、中心ボルト１２の先端部にフッ
ク開閉装置５１を設けたことにある。As shown in FIGS. 7 (a) and 7 (b),
The difference between the withstand voltage test jig according to the fourth embodiment of the present invention and the above-described first embodiment is that a hook opening / closing device 51 is provided at the tip of the center bolt 12.
【００５４】以下、このフック開閉装置５１の構成につ
いて説明する。図７（ａ）及び図７（ｂ）に示すよう
に、シール材ホルダー１７の中心ボルト１２先端側側面
には、弾性体取り付け部５２の一端側が取り付けられ
る。The structure of the hook opening / closing device 51 will be described below. As shown in FIGS. 7A and 7B, one end side of the elastic body mounting portion 52 is attached to the side surface of the sealing material holder 17 on the tip side of the center bolt 12.
【００５５】弾性体取り付け部５２には、弾性体５３の
一端側が取り付けられる。弾性体５３の他端側には、耐
圧試験時に被耐圧容器１内部側の開放端に取り付けられ
る第１フック部５４が取り付けられる。One end of the elastic body 53 is attached to the elastic body mounting portion 52. On the other end side of the elastic body 53, a first hook portion 54 attached to the open end inside the pressure-resistant container 1 at the time of pressure resistance test is attached.
【００５６】第１フック部５４の一端側には、フック支
持部５５を介して、管台２の内径よりも短い長さで構成
される第２フック部５６の一端側が回転自在に支持され
ている。On one end side of the first hook portion 54, one end side of a second hook portion 56 having a length shorter than the inner diameter of the nozzle 2 is rotatably supported via a hook support portion 55. There is.
【００５７】また、中心ボルト１２の先端側には、その
外径が管台２の内径より短い長さを有し、第１フック部
５４及び第２フック部５６を収納するためのフックカバ
ー５７が取り付けられている。On the tip side of the center bolt 12, the outer diameter of the center bolt 12 is shorter than the inner diameter of the nozzle base 2, and a hook cover 57 for accommodating the first hook portion 54 and the second hook portion 56. Is attached.
【００５８】次に、上記のように構成した本発明の第４
の実施例に係る耐圧試験用治具の取り付け方法及び作用
について説明する。まず、フックカバー５７に、リンク
機構となっている第１フック部５４及び第２フック部５
６を折り畳んだ状態で収納する。この時、弾性体５３は
圧縮された状態となっている。Next, the fourth aspect of the present invention configured as described above.
A method and an operation for attaching the pressure resistance test jig according to the embodiment will be described. First, the hook cover 57 is provided with a first hook portion 54 and a second hook portion 5 which are link mechanisms.
Store 6 in a folded state. At this time, the elastic body 53 is in a compressed state.
【００５９】そして、この折り畳まれた耐圧試験用治具
１１を被耐圧容器１の管台２に挿入する。次に、耐圧試
験用治具１１のシール部を管台２の所定の位置に取り付
け、中心ボルト１２を回転させながら、中心ボルト１２
の先端部に取り付けられたフックカバー５７を被耐圧容
器１の内部方向へ移動させる。Then, the folded pressure resistance test jig 11 is inserted into the nozzle base 2 of the pressure resistant container 1. Next, the seal portion of the pressure resistance test jig 11 is attached to a predetermined position of the nozzle stub 2, and the center bolt 12 is rotated while rotating the center bolt 12.
The hook cover 57 attached to the tip of the container is moved inward of the pressure-resistant container 1.
【００６０】これにより、圧縮されていた弾性体５３が
伸張し、その結果、第２フック部５６のリンク部分が図
７（ｂ）に示すように外向きに開き、第１フック部５４
及び第２フック部５６で構成されるフック部が、管台２
の内径よりも大きくなる。As a result, the compressed elastic body 53 expands, and as a result, the link portion of the second hook portion 56 opens outward as shown in FIG. 7B, and the first hook portion 54 is opened.
And the hook portion configured by the second hook portion 56,
Larger than the inner diameter of.
【００６１】次に、フックカバー５７を中心ボルト１２
を回転させて、被耐圧容器１に設けられた管台２の開放
端側へ移動させることにより、第１フック部５４及び第
２フック部５６で構成されるフック部を被耐圧容器１の
内面に固定する。Next, the hook cover 57 is attached to the center bolt 12
Is rotated to move to the open end side of the nozzle 2 provided in the pressure-resistant container 1, so that the hook portion composed of the first hook portion 54 and the second hook portion 56 is moved to the inner surface of the pressure-resistant container 1. Fixed to.
【００６２】そして、シール材ホルダー１７とシール材
押さえ部材１６を押さえ部材２０を用いて締め付けるこ
とによって、シール材ホルダー１７とシール材押さえ部
材１６間の内周シール材１８及び外周シール材１９を圧
縮し、内周シール材１８で中心ボルト１２シール材ホル
ダー１７の隙間をシールさせ、外周シール材１９で管台
２とシール材ホルダー１７との隙間をシールさせる。Then, the sealing material holder 17 and the sealing material pressing member 16 are tightened by using the pressing member 20, whereby the inner peripheral sealing material 18 and the outer peripheral sealing material 19 between the sealing material holder 17 and the sealing material pressing member 16 are compressed. Then, the inner seal material 18 seals the gap between the center bolt 12 and the seal material holder 17, and the outer seal material 19 seals the gap between the nozzle 2 and the seal material holder 17.
【００６３】また、耐圧試験完了後の耐圧試験治具の取
り外しは、上述のフック２１の取り付け方法とは逆に、
中心ボルト１２の先端側に取り付けられたフックカバー
５７を被耐圧試験用容器１の内部方向へ移動させること
により、弾性体取り付け部５２と第２フック部５６間に
取り付けられた弾性体５３が伸張し、第１フック部５４
と第２フック部５６で構成されるフック部のリンク部分
が内側に閉じる。Further, removal of the pressure resistance test jig after completion of the pressure resistance test is contrary to the above-mentioned method of attaching the hook 21,
By moving the hook cover 57 attached to the front end side of the center bolt 12 toward the inside of the container 1 for pressure resistance test, the elastic body 53 attached between the elastic body attachment portion 52 and the second hook portion 56 extends. The first hook portion 54
The link portion of the hook portion constituted by the second hook portion 56 and the second hook portion 56 is closed inward.
【００６４】そこで、中心ボルト１２を回転させなが
ら、フックカバー５７を被耐圧容器１に設けられた管台
２の開放端側へ移動させることにより、第１フック部５
４と第２フック部５６で構成されるフック部をフックカ
バー５７に収納する。Then, by rotating the central bolt 12 and moving the hook cover 57 to the open end side of the nozzle base 2 provided in the pressure-resistant container 1, the first hook portion 5 is moved.
The hook portion composed of the No. 4 and the second hook portion 56 is housed in the hook cover 57.
【００６５】その後、押さえ部材２０を緩めることによ
って、耐圧試験用治具１１を、容易に管台２から取り外
すことができる。従って、本発明の第４の実施例に係る
試験用耐圧治具によれば、フックカバー５７にフック部
を収納することができるので、上述の第１の実施例の効
果に加えて、更に、着脱が容易な耐圧試験用治具を提供
することができる。Thereafter, by loosening the pressing member 20, the pressure resistance test jig 11 can be easily removed from the nozzle 2. Therefore, according to the test pressure-resistant jig of the fourth embodiment of the present invention, since the hook portion can be housed in the hook cover 57, in addition to the effect of the first embodiment described above, A jig for pressure resistance test that can be easily attached and detached can be provided.
【００６６】なお、上述したフックの開閉装置５１は、
機械的な操作の一例で、これに限らずフック部を固定す
ることができれば、油圧式、電気式等の種々の開閉装置
が考えられる。The hook opening / closing device 51 described above is
This is an example of mechanical operation, and not limited to this, various opening and closing devices such as hydraulic type and electric type are conceivable as long as the hook portion can be fixed.
【００６７】[0067]
【発明の効果】以上詳記したように、本発明によれば、
耐圧試験時に、被耐圧試験用容器に設けられた管台等に
代表される略円筒状の開放部の内部側にフックを取り付
けた耐圧試験用治具を用いるので、耐圧試験用治具が飛
散することなく、被耐圧試験用容器に強固に固定するこ
とができる。As described above in detail, according to the present invention,
During a pressure resistance test, a pressure resistance test jig with hooks attached to the inside of a generally cylindrical open part, such as a nozzle provided in a container for pressure resistance test, is used. It can be firmly fixed to the container for pressure resistance test without performing.
【００６８】[0068]
【００６９】[0069]
【００７０】[0070]
【図１】本発明の第１の実施例に係る耐圧試験用治具の
断面図。FIG. 1 is a cross-sectional view of a withstand voltage test jig according to a first embodiment of the present invention.
【図２】同第１の実施例における耐圧試験用治具の平面
図。FIG. 2 is a plan view of a withstand voltage test jig according to the first embodiment.
【図３】本発明の第２の実施例に係る耐圧試験用治具の
断面図。FIG. 3 is a sectional view of a withstand voltage test jig according to a second embodiment of the present invention.
【図４】同第２の実施例における耐圧試験用治具の平面
図。FIG. 4 is a plan view of a withstand voltage test jig according to the second embodiment.
【図５】本発明の第３の実施例に係る耐圧試験用治具を
被耐圧容器に取り付けた状態を示す図。FIG. 5 is a view showing a state in which a jig for pressure resistance test according to a third embodiment of the present invention is attached to a pressure-resistant container.
【図６】同第３の実施例における耐圧試験用治具を被耐
圧容器１に締め付けた状態を示す図。FIG. 6 is a view showing a state in which the pressure-resistant test jig in the third embodiment is fastened to the pressure-resistant container 1.
【図７】本発明の第４の実施例に係る耐圧試験用治具の
構成を示す図。FIG. 7 is a diagram showing the configuration of a withstand voltage test jig according to a fourth embodiment of the present invention.
【図８】従来の耐圧試験に用いられる被耐圧容器の部分
断面図。FIG. 8 is a partial sectional view of a pressure-resistant container used in a conventional pressure resistance test.
【図９】従来の被耐圧容器に耐圧試験を行なうためのシ
ステム構成図。FIG. 9 is a system configuration diagram for performing a pressure resistance test on a conventional pressure-resistant container.
１…被耐圧容器、２…管台、３…閉止用部材、４…注入
装置、５…加圧装置、６…圧力計、１１…耐圧試験用治
具、１２…中心ボルト、１３…ナット、１４…座金、１
５…スペーサ、１６…シール材押さえ部材、１７…シー
ル材ホルダー、１８…内周シール材、１９…外周シール
材、２０…押さえ部材、２１…フック、３１…連通穴、
４１…リンク支持部、４２…リンク、４３…リンク支持
部、５１…フック開閉装置、５２…弾性体取り付け部、
５３…弾性体、５４…第１フック部、５５…フック支持
部、５６…第２フック部、５７…フックカバー。DESCRIPTION OF SYMBOLS 1 ... Pressure-resistant container, 2 ... Pipe base, 3 ... Closing member, 4 ... Injection device, 5 ... Pressurizing device, 6 ... Pressure gauge, 11 ... Pressure test jig, 12 ... Center bolt, 13 ... Nut, 14 ... Washer, 1
5 ... Spacer, 16 ... Sealing material pressing member, 17 ... Sealing material holder, 18 ... Inner circumference sealing material, 19 ... Outer circumference sealing material, 20 ... Pressing member, 21 ... Hook, 31 ... Communication hole,
41 ... Link support part, 42 ... Link, 43 ... Link support part, 51 ... Hook opening / closing device, 52 ... Elastic body mounting part,
53 ... Elastic body, 54 ... First hook portion, 55 ... Hook support portion, 56 ... Second hook portion, 57 ... Hook cover.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭55−119957（ＪＰ，Ｕ) 実開 昭59−66130（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) G01M 3/26 F16K 1/02 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Syo 55-119957 (JP, U) Saku 59-66130 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) G01M 3/26 F16K 1/02
Claims (9)
部の内周側を第１のシール材によってシールする閉止用
部材と、前記閉止用部材を貫通して取り付けられ前記閉
止用部材に作用する力が伝達される圧力支持手段と、前
記閉止用部材と前記圧力支持手段との間隙をシールする
第２のシール材とを備え、前記閉止用部材は、一体的に
構成されていることを特徴とする耐圧試験用治具。1. A closing member for sealing an inner peripheral side of a substantially cylindrical open portion provided in a pressure-resistant container with a first sealing material, and the closing member attached through the closing member. The pressure supporting means for transmitting a force acting on the pressure supporting means, and the second sealing material for sealing the gap between the closing member and the pressure supporting means are provided, and the closing member is integrally configured. This is a jig for pressure resistance test.
て、前記閉止用部材には第１のシール材および第２のシ
ール材を押さえつける押さえ部材が設けられていること
を特徴とする耐圧試験用治具。2. The jig for pressure resistance test according to claim 1, wherein the closing member is provided with a pressing member for pressing the first sealing material and the second sealing material. Test jig.
治具において、前記圧力支持手段は被耐圧容器の内部に
引掛けられるフックを含むことを特徴とする耐圧試験用
治具。3. The jig for pressure resistance test according to claim 1 or 2, wherein the pressure supporting means includes a hook hooked inside the pressure-resistant container.
部の内周側を密閉するシール材を含む閉止用部材と、前
記閉止用部材に作用する圧力に伴う力が前記閉止用部材
から伝達される圧力支持手段とを備える耐圧試験用治具
を用いた耐圧試験方法において、前記被耐圧容器の内部
側に圧力支持手段を取り付け、次に前記閉止用部材を前
記開放部の所定の位置に位置決めし、その後前記閉止用
部材の前記シール材によって前記開放部を密閉してから
前記被耐圧容器を加圧することを特徴とする耐圧試験方
法。4. A closing member including a sealing material that seals the inner peripheral side of a substantially cylindrical open portion provided in a pressure-resistant container, and a force associated with the pressure acting on the closing member causes the closing member to close. In a pressure resistance test method using a pressure resistance test jig including pressure support means transmitted from the pressure support means, the pressure support means is attached to the inner side of the pressure-resistant container, and then the closing member is attached to the opening portion at a predetermined position. A pressure resistance test method comprising: positioning at a position, then sealing the opening by the sealing material of the closing member, and then pressurizing the pressure-resistant container.
部の内周側を第１のシール材によってシールする閉止用
部材と、前記閉止用部材を貫通して取り付けられ前記閉
止用部材に作用する力が伝達される圧力支持手段と、前
記閉止用部材と前記圧力支持手段との間隙をシールする
第２のシール材とを備える耐圧試験用治具を用いた耐圧
試験方法において、前記被耐圧容器の内部側に圧力支持
手段を取り付け、次に前記閉止用部材を前記開放部の所
定の位置に位置決めし、その後前記第１のシール材およ
び第２のシール材によって前記開放部を密閉してから前
記被耐圧容器を加圧することを特徴とする耐圧試験方
法。5. A closing member for sealing the inner peripheral side of a substantially cylindrical opening provided in a pressure-resistant container with a first sealing material, and the closing member attached through the closing member. In a pressure resistance test method using a pressure resistance test jig comprising a pressure support means for transmitting a force acting on the pressure support means and a second seal material for sealing a gap between the closing member and the pressure support means, Pressure support means is attached to the inside of the pressure-resistant container, then the closing member is positioned at a predetermined position of the opening portion, and then the opening portion is sealed by the first sealing material and the second sealing material. A pressure resistance test method comprising pressurizing the pressure-resistant container after that.
部に取り付けられ、前記被耐圧容器を密閉してその各種
耐圧試験に用いられる治具において、前記略円筒状の開
放部の中心部に、前記開放部を連通するように配置され
た中心ボルトと、 前記中心ボルトのねじ部の頭部側に配置され、前記中心
ボルトの位置を決めるナットと、 前記中心ボルトを貫通させる貫通穴を略中心に有すると
ともに、前記開放部の内径よりも短い外径を有し、前記
中心ボルトのねじ部の中心部付近に配置されたシール材
押さえ部材と、 前記中心ボルトを貫通させる貫通穴を略中心に有すると
共に、前記開放部の内径よりも短かい外径を有し、前記
中心ボルトのねじ部の中心部付近であって、且つ前記シ
ール材押さえ部材の位置よりも前記中心ボルトの先端部
方向側に配置されたシール材ホルダーと、 前記シール材ホルダーの内周側に配置され、前記シール
材押さえ部材により押さえつけられて前記中心ボルトと
前記シール材ホルダーとの間をシールする環状の内周シ
ール材と、 前記シール材ホルダーの外周側に配置され、前記シール
材押さえ部材により押さえつけられて前記開放部と前記
シール材ホルダーとの間をシールする環状の外周シール
材と、 前記シール材押さえ部材上であって且つ前記中心ボルト
を中心した円周上に所定間隔を存して配置され、前記シ
ール材押さえ部材に遊挿されるとともに、前記シール材
ホルダーに固定され、前記シール材押さえ部材を前記内
周シール材及び前記外周シール材にそれぞれ押さえつけ
る押さえ部材と、 前記中心ボルトの先端部に取り付けられ、前記開放部の
開放端断面積よりも大きな断面積を有し、耐圧試験時に
前記被耐圧容器の開放部における内部側開放端に取り付
けられるフックと、 を備えたことを特徴とする耐圧試験用治具。6. A jig which is attached to a substantially cylindrical open portion provided in a pressure-resistant container, and which is used for various pressure resistance tests by sealing the pressure-resistant container and at the center of the substantially cylindrical open portion. Part, a central bolt arranged to communicate with the open part, a nut arranged on the head side of the screw part of the central bolt to determine the position of the central bolt, and a through hole for penetrating the central bolt. While having a substantially center, having an outer diameter shorter than the inner diameter of the open portion, a seal member pressing member arranged near the center of the threaded portion of the central bolt, and a through hole for penetrating the central bolt. It has an outer diameter that is substantially at the center and has an outer diameter that is shorter than the inner diameter of the open portion, is near the central portion of the threaded portion of the central bolt, and is the tip of the central bolt more than the position of the seal member pressing member. Direction side And a ring-shaped inner seal member that is disposed on the inner peripheral side of the seal member holder and is pressed by the seal member pressing member to seal between the center bolt and the seal member holder. A ring-shaped outer peripheral sealing material that is disposed on the outer peripheral side of the sealing material holder and is pressed by the sealing material pressing member to seal between the open portion and the sealing material holder, and on the sealing material pressing member. The sealing material pressing member is loosely inserted into the sealing material holding member and fixed to the sealing material holder, and the sealing material holding member is attached to the inner circumference. A pressing member that presses against the sealing material and the outer peripheral sealing material, respectively, and is attached to the tip of the central bolt, A jig for pressure resistance test, comprising: a hook having a cross-sectional area larger than the open end cross-sectional area, the hook being attached to an inner open end of the open portion of the pressure-resistant container during a pressure resistance test.
て連通する連通穴を設けたことを特徴とする請求項６記
載の耐圧試験用治具。7. The jig for pressure resistance test according to claim 6, wherein a communication hole is provided so as to communicate from the head portion to the tip portion of the center bolt.
部に取り付けられ、前記被耐圧容器を密閉してその各種
耐圧試験に用いられる治具において、 前記略円筒状の開放部の中心部に、前記開放部を連通す
るように配置された中心ボルトと、 前記中心ボルトのねじ部の頭部側に配置され、前記中心
ボルトの位置を決めるナットと、 前記中心ボルトを貫通させる貫通穴を略中心に有すると
ともに、前記開放部の内径よりも短い外径を有し、前記
中心ボルトのねじ部の中心部付近に配置されたシール材
押さえ部材と、 前記中心ボルトを貫通させる貫通穴を略中心に有すると
共に、前記開放部の内径よりも短かい外径を有し、前記
中心ボルトのねじ部の中心部付近であって、且つ前記シ
ール材押さえ部材の位置よりも前記中心ボルトの先端部
方向側に配置されたシール材ホルダーと、 前記シール材ホルダーの内周側に配置され、前記シール
材押さえ部材により押さえつけられて前記中心ボルトと
前記シール材ホルダーとの間をシールする環状の内周シ
ール材と、 前記シール材ホルダーの外周側に配置され、前記シール
材押さえ部材により押さえつけられて前記開放部と前記
シール材ホルダーとの間をシールする環状の外周シール
材と、 前記シール材押さえ部材上であって且つ前記中心ボルト
を中心した円周上に所定間隔を存して配置され、前記シ
ール材押さえ部材に遊挿されるとともに、前記シール材
ホルダーに固定され、前記シール材押さえ部材を前記内
周シール材及び前記外周シール材にそれぞれ押さえつけ
る押さえ部材と、 前記中心ボルトの先端部に一端側が回転自在に取り付け
られたリンクと、 前記リンクの他端側に回動自在に取り付けられると共
に、前記開放部の開放端断面積よりも大きな断面積を有
し、耐圧試験時に前記被耐圧容器の開放部における内部
側開放端に取り付けられるフックと、 を備えたことを特徴とする耐圧試験用治具。8. A jig which is attached to a substantially cylindrical open portion provided in a pressure-resistant container and which is used for various pressure resistance tests of the pressure-resistant container by hermetically sealing the pressure-resistant container. Part, a central bolt arranged to communicate with the open part, a nut arranged on the head side of the screw part of the central bolt to determine the position of the central bolt, and a through hole for penetrating the central bolt. While having a substantially center, having an outer diameter shorter than the inner diameter of the open portion, a seal member pressing member arranged near the center of the threaded portion of the central bolt, and a through hole for penetrating the central bolt. It has an outer diameter that is substantially at the center and has an outer diameter that is shorter than the inner diameter of the open portion, is near the central portion of the threaded portion of the central bolt, and is the tip of the central bolt more than the position of the seal member pressing member. Direction And a ring-shaped inner seal member that is disposed on the inner peripheral side of the seal member holder and is pressed by the seal member pressing member to seal between the center bolt and the seal member holder. A ring-shaped outer peripheral sealing material that is disposed on the outer peripheral side of the sealing material holder and is pressed by the sealing material pressing member to seal between the open portion and the sealing material holder, and on the sealing material pressing member. The sealing material pressing member is loosely inserted into the sealing material holding member and fixed to the sealing material holder, and the sealing material holding member is attached to the inner circumference. A pressing member that presses against the sealing material and the outer peripheral sealing material, respectively, and one end side is rotatably attached to the tip of the center bolt. And a rotatably attached to the other end side of the link and having a cross-sectional area larger than the open end cross-sectional area of the open part, and at the inner side of the open part of the pressure-resistant container during a pressure resistance test. A jig for pressure resistance test, characterized by having a hook attached to the open end.
部に取り付けられ、前記被耐圧容器を密閉してその各種
耐圧試験に用いられる治具において、 前記略円筒状の開放部の中心部に、前記開放部を連通す
るように配置された中心ボルトと、 前記中心ボルトのねじ部の頭部側に配置され、前記中心
ボルトの位置を決めるナットと、 前記中心ボルトを貫通させる貫通穴を略中心に有すると
ともに、前記開放部の内径よりも短い外径を有し、前記
中心ボルトのねじ部の中心部付近に配置されたシール材
押さえ部材と、 前記中心ボルトを貫通させる貫通穴を略中心に有すると
共に、前記開放部の内径よりも短かい外径を有し、前記
中心ボルトのねじ部の中心部付近であって、且つ前記シ
ール材押さえ部材の位置よりも前記中心ボルトの先端部
方向側に配置されたシール材ホルダーと、 前記シール材ホルダーの内周側に配置され、前記シール
材押さえ部材により押さえつけられて前記中心ボルトと
前記シール材ホルダーとの間をシールする環状の内周シ
ール材と、 前記シール材ホルダーの外周側に配置され、前記シール
材押さえ部材により押さえつけられて前記開放部と前記
シール材ホルダーとの間をシールする環状の外周シール
材と、 前記シール材押さえ部材上であって且つ前記中心ボルト
を中心した円周上に所定間隔を存して配置され、前記シ
ール材押さえ部材に遊挿されるとともに、前記シール材
ホルダーに固定され、前記シール材押さえ部材を前記内
周シール材及び前記外周シール材にそれぞれ押さえつけ
る押さえ部材と、 前記シール材ホルダーの前記中心ボルト先端部側側面に
一端側が取り付けられた弾性体取り付け部と、 前記弾性体取り付け部に一端側が取り付けられた弾性体
と、 前記弾性体の他端側に取り付けられ、耐圧試験時に前記
被耐圧容器の開放部における内部側開放端に取り付けら
れる第１のフック部と、 前記第１のフック部に一端側が回転自在に支持され、耐
圧試験時に前記被耐圧容器の開放部における内部側の開
放端に取り付けられる第２のフック部と、 前記中心ボルトの先端部に取り付けられると共に、その
外径が開放部の内径よりも短い長さを有し、前記第１フ
ック部及び前記第２フック部を収納するフックカバー
と、 を備えたことを特徴とする耐圧試験用治具。9. A jig which is attached to a substantially cylindrical open portion provided in a pressure-resistant container and which is used for various pressure resistance tests of the pressure-resistant container by sealing the center of the substantially cylindrical open portion. Part, a central bolt arranged to communicate with the open part, a nut arranged on the head side of the screw part of the central bolt to determine the position of the central bolt, and a through hole for penetrating the central bolt. While having a substantially center, having an outer diameter shorter than the inner diameter of the open portion, a seal member pressing member arranged near the center of the threaded portion of the central bolt, and a through hole for penetrating the central bolt. It has an outer diameter that is substantially at the center and has an outer diameter that is shorter than the inner diameter of the open portion, is near the central portion of the threaded portion of the central bolt, and is the tip of the central bolt more than the position of the seal member pressing member. Direction And a ring-shaped inner seal member that is disposed on the inner peripheral side of the seal member holder and is pressed by the seal member pressing member to seal between the center bolt and the seal member holder. A ring-shaped outer peripheral sealing material that is disposed on the outer peripheral side of the sealing material holder and is pressed by the sealing material pressing member to seal between the open portion and the sealing material holder, and on the sealing material pressing member. The sealing material pressing member is loosely inserted into the sealing material holding member and fixed to the sealing material holder, and the sealing material holding member is attached to the inner circumference. A pressing member that presses against the sealing material and the outer peripheral sealing material, and a side surface of the sealing material holder on the tip side of the center bolt. An elastic body attachment portion having one end side attached, an elastic body having one end side attached to the elastic body attachment portion, and an inner side of the open portion of the pressure-resistant container attached to the other end side of the elastic body during a pressure resistance test. A first hook portion attached to the open end, and a second hook one end side of which is rotatably supported by the first hook portion and which is attached to the open end on the inner side of the open portion of the pressure-resistant container during a pressure resistance test. A hook cover that is attached to the tip of the central bolt, has an outer diameter that is shorter than the inner diameter of the open portion, and that houses the first hook portion and the second hook portion. A jig for pressure resistance test characterized by being equipped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23090994A JP3400137B2 (en) | 1994-09-27 | 1994-09-27 | Pressure test jig and pressure test method using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23090994A JP3400137B2 (en) | 1994-09-27 | 1994-09-27 | Pressure test jig and pressure test method using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0894483A JPH0894483A (en) | 1996-04-12 |
| JP3400137B2 true JP3400137B2 (en) | 2003-04-28 |
Family
ID=16915193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23090994A Expired - Fee Related JP3400137B2 (en) | 1994-09-27 | 1994-09-27 | Pressure test jig and pressure test method using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3400137B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101955481B1 (en) * | 2017-09-27 | 2019-03-08 | 조봉기 | Sealing member for pressure test of aerosol container |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1164200A (en) * | 1997-08-13 | 1999-03-05 | Mitsubishi Heavy Ind Ltd | Pressure keeping device |
| JP2003240864A (en) * | 2002-02-15 | 2003-08-27 | Matsushita Electric Works Ltd | Apparatus having built-in human presence sensor |
| JP5410209B2 (en) * | 2009-09-08 | 2014-02-05 | バブコック日立株式会社 | Leakage detection method and apparatus for gas gas heat exchanger |
| CN104729807B (en) * | 2015-03-23 | 2017-08-22 | 力帆实业(集团)股份有限公司 | A kind of motorcycle tank air-leakage test sealing device |
-
1994
- 1994-09-27 JP JP23090994A patent/JP3400137B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101955481B1 (en) * | 2017-09-27 | 2019-03-08 | 조봉기 | Sealing member for pressure test of aerosol container |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0894483A (en) | 1996-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |